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  • Mice  (10)
  • Nature Publishing Group (NPG)  (10)
  • American Geophysical Union (AGU)
  • American Institute of Physics
  • National Academy of Sciences
  • 2015-2019  (10)
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  • 1
    Publication Date: 2015-11-05
    Description: Anxiety-related conditions are among the most difficult neuropsychiatric diseases to treat pharmacologically, but respond to cognitive therapies. There has therefore been interest in identifying relevant top-down pathways from cognitive control regions in medial prefrontal cortex (mPFC). Identification of such pathways could contribute to our understanding of the cognitive regulation of affect, and provide pathways for intervention. Previous studies have suggested that dorsal and ventral mPFC subregions exert opposing effects on fear, as do subregions of other structures. However, precise causal targets for top-down connections among these diverse possibilities have not been established. Here we show that the basomedial amygdala (BMA) represents the major target of ventral mPFC in amygdala in mice. Moreover, BMA neurons differentiate safe and aversive environments, and BMA activation decreases fear-related freezing and high-anxiety states. Lastly, we show that the ventral mPFC-BMA projection implements top-down control of anxiety state and learned freezing, both at baseline and in stress-induced anxiety, defining a broadly relevant new top-down behavioural regulation pathway.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Adhikari, Avishek -- Lerner, Talia N -- Finkelstein, Joel -- Pak, Sally -- Jennings, Joshua H -- Davidson, Thomas J -- Ferenczi, Emily -- Gunaydin, Lisa A -- Mirzabekov, Julie J -- Ye, Li -- Kim, Sung-Yon -- Lei, Anna -- Deisseroth, Karl -- 1F32MH105053-01/MH/NIMH NIH HHS/ -- K99 MH106649/MH/NIMH NIH HHS/ -- K99MH106649/MH/NIMH NIH HHS/ -- Howard Hughes Medical Institute/ -- England -- Nature. 2015 Nov 12;527(7577):179-85. doi: 10.1038/nature15698. Epub 2015 Nov 4.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Bioengineering, Stanford University, Stanford, California 94305, USA. ; CNC Program, Stanford University, Stanford, California 94304, USA. ; Neurosciences Program, Stanford University, Stanford, California 94305, USA. ; Department of Psychiatry and Behavioral Sciences, Stanford University, Stanford, California 94305, USA. ; Howard Hughes Medical Institute, Stanford University, Stanford, California 94305, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26536109" target="_blank"〉PubMed〈/a〉
    Keywords: Amygdala/cytology/*physiology ; Animals ; Anxiety/*physiopathology/psychology ; Extinction, Psychological/physiology ; Fear/*physiology/psychology ; Female ; Freezing Reaction, Cataleptic/physiology ; Learning/physiology ; Male ; Mice ; Mice, Inbred C57BL ; Neural Pathways/*physiology ; Prefrontal Cortex/cytology/physiology ; Stress, Psychological/physiopathology
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 2
    Publication Date: 2015-11-10
    Description: At least 120 non-olfactory G-protein-coupled receptors in the human genome are 'orphans' for which endogenous ligands are unknown, and many have no selective ligands, hindering the determination of their biological functions and clinical relevance. Among these is GPR68, a proton receptor that lacks small molecule modulators for probing its biology. Using yeast-based screens against GPR68, here we identify the benzodiazepine drug lorazepam as a non-selective GPR68 positive allosteric modulator. More than 3,000 GPR68 homology models were refined to recognize lorazepam in a putative allosteric site. Docking 3.1 million molecules predicted new GPR68 modulators, many of which were confirmed in functional assays. One potent GPR68 modulator, ogerin, suppressed recall in fear conditioning in wild-type but not in GPR68-knockout mice. The same approach led to the discovery of allosteric agonists and negative allosteric modulators for GPR65. Combining physical and structure-based screening may be broadly useful for ligand discovery for understudied and orphan GPCRs.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Huang, Xi-Ping -- Karpiak, Joel -- Kroeze, Wesley K -- Zhu, Hu -- Chen, Xin -- Moy, Sheryl S -- Saddoris, Kara A -- Nikolova, Viktoriya D -- Farrell, Martilias S -- Wang, Sheng -- Mangano, Thomas J -- Deshpande, Deepak A -- Jiang, Alice -- Penn, Raymond B -- Jin, Jian -- Koller, Beverly H -- Kenakin, Terry -- Shoichet, Brian K -- Roth, Bryan L -- GM59957/GM/NIGMS NIH HHS/ -- GM71896/GM/NIGMS NIH HHS/ -- P01 HL114471/HL/NHLBI NIH HHS/ -- R01 DA017204/DA/NIDA NIH HHS/ -- R01 DA027170/DA/NIDA NIH HHS/ -- U01 MH104974/MH/NIMH NIH HHS/ -- U19MH082441/MH/NIMH NIH HHS/ -- U54 HD079124/HD/NICHD NIH HHS/ -- England -- Nature. 2015 Nov 26;527(7579):477-83. doi: 10.1038/nature15699. Epub 2015 Nov 9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pharmacology, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, 27599-7365, USA. ; National Institute of Mental Health Psychoactive Drug Screening Program (NIMH PDSP), School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599-7365, USA. ; Department of Pharmaceutical Chemistry, University of California at San Francisco, Byers Hall, 1700 4th Street, San Francisco, California 94158-2550, USA. ; Center for Integrative Chemical Biology and Drug Discovery (CICBDD), University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599-7363, USA. ; Division of Chemical Biology and Medicinal Chemistry, Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599-7360, USA. ; Department of Psychiatry and Carolina Institute for Developmental Disabilities (CIDD), University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599-7146, USA. ; Center for Translational Medicine and Department of Medicine, Thomas Jefferson University, Philadelphia, Pennsylvania 19107, USA. ; Department of Genetics, School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599-7264, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26550826" target="_blank"〉PubMed〈/a〉
    Keywords: Allosteric Regulation/drug effects ; Allosteric Site ; Animals ; Anti-Anxiety Agents/analysis/chemistry/metabolism/pharmacology ; Benzyl Alcohols/analysis/*chemistry/metabolism/*pharmacology ; Conditioning, Classical ; *Drug Discovery ; Fear ; Female ; HEK293 Cells ; Humans ; Ligands ; Lorazepam/analysis/*chemistry/metabolism/*pharmacology ; Male ; Memory/drug effects ; Mice ; Mice, Knockout ; Models, Molecular ; Receptors, G-Protein-Coupled/agonists/antagonists & ; inhibitors/chemistry/deficiency/*metabolism ; Signal Transduction/drug effects ; Triazines/analysis/*chemistry/metabolism/*pharmacology
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    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 3
    Publication Date: 2015-02-27
    Description: Pancreatic cancer remains one of the most lethal of malignancies and a major health burden. We performed whole-genome sequencing and copy number variation (CNV) analysis of 100 pancreatic ductal adenocarcinomas (PDACs). Chromosomal rearrangements leading to gene disruption were prevalent, affecting genes known to be important in pancreatic cancer (TP53, SMAD4, CDKN2A, ARID1A and ROBO2) and new candidate drivers of pancreatic carcinogenesis (KDM6A and PREX2). Patterns of structural variation (variation in chromosomal structure) classified PDACs into 4 subtypes with potential clinical utility: the subtypes were termed stable, locally rearranged, scattered and unstable. A significant proportion harboured focal amplifications, many of which contained druggable oncogenes (ERBB2, MET, FGFR1, CDK6, PIK3R3 and PIK3CA), but at low individual patient prevalence. Genomic instability co-segregated with inactivation of DNA maintenance genes (BRCA1, BRCA2 or PALB2) and a mutational signature of DNA damage repair deficiency. Of 8 patients who received platinum therapy, 4 of 5 individuals with these measures of defective DNA maintenance responded.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4523082/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4523082/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Waddell, Nicola -- Pajic, Marina -- Patch, Ann-Marie -- Chang, David K -- Kassahn, Karin S -- Bailey, Peter -- Johns, Amber L -- Miller, David -- Nones, Katia -- Quek, Kelly -- Quinn, Michael C J -- Robertson, Alan J -- Fadlullah, Muhammad Z H -- Bruxner, Tim J C -- Christ, Angelika N -- Harliwong, Ivon -- Idrisoglu, Senel -- Manning, Suzanne -- Nourse, Craig -- Nourbakhsh, Ehsan -- Wani, Shivangi -- Wilson, Peter J -- Markham, Emma -- Cloonan, Nicole -- Anderson, Matthew J -- Fink, J Lynn -- Holmes, Oliver -- Kazakoff, Stephen H -- Leonard, Conrad -- Newell, Felicity -- Poudel, Barsha -- Song, Sarah -- Taylor, Darrin -- Waddell, Nick -- Wood, Scott -- Xu, Qinying -- Wu, Jianmin -- Pinese, Mark -- Cowley, Mark J -- Lee, Hong C -- Jones, Marc D -- Nagrial, Adnan M -- Humphris, Jeremy -- Chantrill, Lorraine A -- Chin, Venessa -- Steinmann, Angela M -- Mawson, Amanda -- Humphrey, Emily S -- Colvin, Emily K -- Chou, Angela -- Scarlett, Christopher J -- Pinho, Andreia V -- Giry-Laterriere, Marc -- Rooman, Ilse -- Samra, Jaswinder S -- Kench, James G -- Pettitt, Jessica A -- Merrett, Neil D -- Toon, Christopher -- Epari, Krishna -- Nguyen, Nam Q -- Barbour, Andrew -- Zeps, Nikolajs -- Jamieson, Nigel B -- Graham, Janet S -- Niclou, Simone P -- Bjerkvig, Rolf -- Grutzmann, Robert -- Aust, Daniela -- Hruban, Ralph H -- Maitra, Anirban -- Iacobuzio-Donahue, Christine A -- Wolfgang, Christopher L -- Morgan, Richard A -- Lawlor, Rita T -- Corbo, Vincenzo -- Bassi, Claudio -- Falconi, Massimo -- Zamboni, Giuseppe -- Tortora, Giampaolo -- Tempero, Margaret A -- Australian Pancreatic Cancer Genome Initiative -- Gill, Anthony J -- Eshleman, James R -- Pilarsky, Christian -- Scarpa, Aldo -- Musgrove, Elizabeth A -- Pearson, John V -- Biankin, Andrew V -- Grimmond, Sean M -- 103721/Wellcome Trust/United Kingdom -- C29717/A17263/Cancer Research UK/United Kingdom -- C596/A18076/Cancer Research UK/United Kingdom -- P30 CA006973/CA/NCI NIH HHS/ -- P30 CA016672/CA/NCI NIH HHS/ -- P50 CA062924/CA/NCI NIH HHS/ -- P50 CA62924/CA/NCI NIH HHS/ -- England -- Nature. 2015 Feb 26;518(7540):495-501. doi: 10.1038/nature14169.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉1] Queensland Centre for Medical Genomics, Institute for Molecular Bioscience, The University of Queensland, St Lucia, Brisbane, Queensland 4072, Australia [2] QIMR Berghofer Medical Research Institute, Herston Road, Brisbane 4006, Australia. ; 1] The Kinghorn Cancer Centre, Cancer Division, Garvan Institute of Medical Research, University of New South Wales, 384 Victoria St, Darlinghurst, Sydney, New South Wales 2010, Australia [2] St Vincent's Clinical School, Faculty of Medicine, University of New South Wales, New South Wales 2010, Australia. ; Queensland Centre for Medical Genomics, Institute for Molecular Bioscience, The University of Queensland, St Lucia, Brisbane, Queensland 4072, Australia. ; 1] The Kinghorn Cancer Centre, Cancer Division, Garvan Institute of Medical Research, University of New South Wales, 384 Victoria St, Darlinghurst, Sydney, New South Wales 2010, Australia [2] Department of Surgery, Bankstown Hospital, Eldridge Road, Bankstown, Sydney, New South Wales 2200, Australia [3] South Western Sydney Clinical School, Faculty of Medicine, University of New South Wales, Liverpool, New South Wales 2170, Australia [4] Wolfson Wohl Cancer Research Centre, Institute of Cancer Sciences, University of Glasgow, Garscube Estate, Switchback Road, Bearsden, Glasgow G61 1BD, UK. ; 1] Queensland Centre for Medical Genomics, Institute for Molecular Bioscience, The University of Queensland, St Lucia, Brisbane, Queensland 4072, Australia [2] Wolfson Wohl Cancer Research Centre, Institute of Cancer Sciences, University of Glasgow, Garscube Estate, Switchback Road, Bearsden, Glasgow G61 1BD, UK. ; The Kinghorn Cancer Centre, Cancer Division, Garvan Institute of Medical Research, University of New South Wales, 384 Victoria St, Darlinghurst, Sydney, New South Wales 2010, Australia. ; 1] The Kinghorn Cancer Centre, Cancer Division, Garvan Institute of Medical Research, University of New South Wales, 384 Victoria St, Darlinghurst, Sydney, New South Wales 2010, Australia [2] Wolfson Wohl Cancer Research Centre, Institute of Cancer Sciences, University of Glasgow, Garscube Estate, Switchback Road, Bearsden, Glasgow G61 1BD, UK. ; 1] The Kinghorn Cancer Centre, Cancer Division, Garvan Institute of Medical Research, University of New South Wales, 384 Victoria St, Darlinghurst, Sydney, New South Wales 2010, Australia [2] Department of Anatomical Pathology, St Vincent's Hospital, Sydney, New South Wales 2010, Australia. ; 1] The Kinghorn Cancer Centre, Cancer Division, Garvan Institute of Medical Research, University of New South Wales, 384 Victoria St, Darlinghurst, Sydney, New South Wales 2010, Australia [2] School of Environmental &Life Sciences, University of Newcastle, Ourimbah, New South Wales 2258, Australia. ; 1] Department of Surgery, Royal North Shore Hospital, St Leonards, Sydney, New South Wales 2065, Australia [2] University of Sydney, Sydney, New South Wales 2006, Australia. ; 1] The Kinghorn Cancer Centre, Cancer Division, Garvan Institute of Medical Research, University of New South Wales, 384 Victoria St, Darlinghurst, Sydney, New South Wales 2010, Australia [2] University of Sydney, Sydney, New South Wales 2006, Australia [3] Tissue Pathology and Diagnostic Oncology, Royal Prince Alfred Hospital, Camperdown, New South Wales 2050, Australia. ; 1] Department of Surgery, Bankstown Hospital, Eldridge Road, Bankstown, Sydney, New South Wales 2200, Australia [2] School of Medicine, University of Western Sydney, Penrith, New South Wales 2175, Australia. ; Department of Surgery, Fremantle Hospital, Alma Street, Fremantle, Western Australia 6160, Australia. ; Department of Gastroenterology, Royal Adelaide Hospital, North Terrace, Adelaide, South Australia 5000, Australia. ; Department of Surgery, Princess Alexandra Hospital, Ipswich Rd, Woollongabba, Queensland 4102, Australia. ; 1] School of Surgery M507, University of Western Australia, 35 Stirling Highway, Nedlands 6009, Australia [2] St John of God Pathology, 12 Salvado Rd, Subiaco, Western Australia 6008, Australia [3] Bendat Family Comprehensive Cancer Centre, St John of God Subiaco Hospital, Subiaco, Western Australia 6008, Australia. ; 1] Wolfson Wohl Cancer Research Centre, Institute of Cancer Sciences, University of Glasgow, Garscube Estate, Switchback Road, Bearsden, Glasgow G61 1BD, UK [2] Academic Unit of Surgery, School of Medicine, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow Royal Infirmary, Glasgow G4 OSF, UK [3] West of Scotland Pancreatic Unit, Glasgow Royal Infirmary, Glasgow G31 2ER, UK. ; 1] Wolfson Wohl Cancer Research Centre, Institute of Cancer Sciences, University of Glasgow, Garscube Estate, Switchback Road, Bearsden, Glasgow G61 1BD, UK [2] Department of Medical Oncology, Beatson West of Scotland Cancer Centre, 1053 Great Western Road, Glasgow G12 0YN, UK. ; Norlux Neuro-Oncology Laboratory, CRP-Sante Luxembourg, 84 Val Fleuri, L-1526, Luxembourg. ; Norlux Neuro-Oncology, Department of Biomedicine, University of Bergen, Jonas Lies vei 91, N-5019 Bergen, Norway. ; Departments of Surgery and Pathology, TU Dresden, Fetscherstr. 74, 01307 Dresden, Germany. ; Department of Pathology, The Sol Goldman Pancreatic Cancer Research Center, the Johns Hopkins University School of Medicine, Baltimore, Maryland 21231, USA. ; Departments of Pathology and Translational Molecular Pathology, University of Texas MD Anderson Cancer Center, Houston Texas 77030, USA. ; The David M. Rubenstein Pancreatic Cancer Research Center and Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, New York 10065, USA. ; Department of Surgery, The Sol Goldman Pancreatic Cancer Research Center, the Johns Hopkins University School of Medicine, Baltimore, Maryland 21231, USA. ; 1] ARC-NET Centre for Applied Research on Cancer, University and Hospital Trust of Verona, Verona 37134, Italy [2] Department of Pathology and Diagnostics, University of Verona, Verona 37134, Italy. ; ARC-NET Centre for Applied Research on Cancer, University and Hospital Trust of Verona, Verona 37134, Italy. ; Department of Surgery and Oncology, Pancreas Institute, University and Hospital Trust of Verona, Verona 37134, Italy. ; 1] Department of Surgery and Oncology, Pancreas Institute, University and Hospital Trust of Verona, Verona 37134, Italy [2] Departments of Surgery and Pathology, Ospedale Sacro Cuore Don Calabria Negrar, Verona 37024, Italy. ; 1] Department of Pathology and Diagnostics, University of Verona, Verona 37134, Italy [2] Departments of Surgery and Pathology, Ospedale Sacro Cuore Don Calabria Negrar, Verona 37024, Italy. ; Department of Oncology, University and Hospital Trust of Verona, Verona 37134, Italy. ; Division of Hematology and Oncology, University of California, San Francisco, California 94122, USA. ; 1] The Kinghorn Cancer Centre, Cancer Division, Garvan Institute of Medical Research, University of New South Wales, 384 Victoria St, Darlinghurst, Sydney, New South Wales 2010, Australia [2] University of Sydney, Sydney, New South Wales 2006, Australia. ; Wolfson Wohl Cancer Research Centre, Institute of Cancer Sciences, University of Glasgow, Garscube Estate, Switchback Road, Bearsden, Glasgow G61 1BD, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25719666" target="_blank"〉PubMed〈/a〉
    Keywords: Adenocarcinoma/drug therapy/genetics ; Animals ; Carcinoma, Pancreatic Ductal/drug therapy/genetics ; *DNA Mutational Analysis ; DNA Repair/genetics ; Female ; Genes, BRCA1 ; Genes, BRCA2 ; Genetic Markers/genetics ; Genome, Human/*genetics ; Genomic Instability/genetics ; *Genomics ; Genotype ; Humans ; Mice ; Mutation/*genetics ; Pancreatic Neoplasms/classification/drug therapy/*genetics ; Platinum/pharmacology ; Point Mutation/genetics ; Poly(ADP-ribose) Polymerase Inhibitors ; Xenograft Model Antitumor Assays
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 4
    Publication Date: 2016-03-17
    Description: Alzheimer's disease (AD) is a neurodegenerative disorder characterized by progressive memory decline and subsequent loss of broader cognitive functions. Memory decline in the early stages of AD is mostly limited to episodic memory, for which the hippocampus has a crucial role. However, it has been uncertain whether the observed amnesia in the early stages of AD is due to disrupted encoding and consolidation of episodic information, or an impairment in the retrieval of stored memory information. Here we show that in transgenic mouse models of early AD, direct optogenetic activation of hippocampal memory engram cells results in memory retrieval despite the fact that these mice are amnesic in long-term memory tests when natural recall cues are used, revealing a retrieval, rather than a storage impairment. Before amyloid plaque deposition, the amnesia in these mice is age-dependent, which correlates with a progressive reduction in spine density of hippocampal dentate gyrus engram cells. We show that optogenetic induction of long-term potentiation at perforant path synapses of dentate gyrus engram cells restores both spine density and long-term memory. We also demonstrate that an ablation of dentate gyrus engram cells containing restored spine density prevents the rescue of long-term memory. Thus, selective rescue of spine density in engram cells may lead to an effective strategy for treating memory loss in the early stages of AD.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4847731/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4847731/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Roy, Dheeraj S -- Arons, Autumn -- Mitchell, Teryn I -- Pignatelli, Michele -- Ryan, Tomas J -- Tonegawa, Susumu -- Howard Hughes Medical Institute/ -- England -- Nature. 2016 Mar 24;531(7595):508-12. doi: 10.1038/nature17172. Epub 2016 Mar 16.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉RIKEN-MIT Center for Neural Circuit Genetics at the Picower Institute for Learning and Memory, Department of Biology and Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA. ; Howard Hughes Medical Institute, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26982728" target="_blank"〉PubMed〈/a〉
    Keywords: Aging ; Alzheimer Disease/*pathology/*physiopathology ; Amnesia/pathology/physiopathology ; Amyloid beta-Protein Precursor/genetics ; Animals ; Dendritic Spines/pathology/physiology ; Dentate Gyrus/*cytology/pathology/*physiology/physiopathology ; *Disease Models, Animal ; Early Medical Intervention ; Humans ; Long-Term Potentiation ; Male ; Memory, Episodic ; Memory, Long-Term/*physiology ; Mice ; Mice, Transgenic ; Optogenetics ; Plaque, Amyloid ; Presenilin-1/genetics ; Synapses/metabolism ; Transgenes/genetics ; tau Proteins/genetics
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  • 5
    Publication Date: 2016-03-31
    Description: Transected axons fail to regrow in the mature central nervous system. Astrocytic scars are widely regarded as causal in this failure. Here, using three genetically targeted loss-of-function manipulations in adult mice, we show that preventing astrocyte scar formation, attenuating scar-forming astrocytes, or ablating chronic astrocytic scars all failed to result in spontaneous regrowth of transected corticospinal, sensory or serotonergic axons through severe spinal cord injury (SCI) lesions. By contrast, sustained local delivery via hydrogel depots of required axon-specific growth factors not present in SCI lesions, plus growth-activating priming injuries, stimulated robust, laminin-dependent sensory axon regrowth past scar-forming astrocytes and inhibitory molecules in SCI lesions. Preventing astrocytic scar formation significantly reduced this stimulated axon regrowth. RNA sequencing revealed that astrocytes and non-astrocyte cells in SCI lesions express multiple axon-growth-supporting molecules. Our findings show that contrary to the prevailing dogma, astrocyte scar formation aids rather than prevents central nervous system axon regeneration.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Anderson, Mark A -- Burda, Joshua E -- Ren, Yilong -- Ao, Yan -- O'Shea, Timothy M -- Kawaguchi, Riki -- Coppola, Giovanni -- Khakh, Baljit S -- Deming, Timothy J -- Sofroniew, Michael V -- MH099559A/MH/NIMH NIH HHS/ -- MH104069/MH/NIMH NIH HHS/ -- NS057624/NS/NINDS NIH HHS/ -- NS060677/NS/NINDS NIH HHS/ -- NS084030/NS/NINDS NIH HHS/ -- P30 NS062691/NS/NINDS NIH HHS/ -- England -- Nature. 2016 Apr 14;532(7598):195-200. doi: 10.1038/nature17623. Epub 2016 Mar 30.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Neurobiology, David Geffen School of Medicine, University of California, Los Angeles, California 90095-1763, USA. ; Departments of Psychiatry and Neurology, David Geffen School of Medicine, University of California, Los Angeles, California 90095-1761, USA. ; Department of Physiology, David Geffen School of Medicine, University of California, Los Angeles, California 90095-1751, USA. ; Departments of Bioengineering, Chemistry and Biochemistry, University of California Los Angeles, Los Angeles, California 90095-1600, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/27027288" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Astrocytes/*pathology ; Axons/*physiology ; Central Nervous System/cytology/*pathology/*physiology ; Chondroitin Sulfate Proteoglycans/biosynthesis ; Cicatrix/*pathology/prevention & control ; Female ; Genomics ; Mice ; *Models, Biological ; *Nerve Regeneration ; Reproducibility of Results ; Spinal Cord Injuries/genetics/pathology
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  • 6
    Publication Date: 2016-02-26
    Description: Integrated genomic analysis of 456 pancreatic ductal adenocarcinomas identified 32 recurrently mutated genes that aggregate into 10 pathways: KRAS, TGF-beta, WNT, NOTCH, ROBO/SLIT signalling, G1/S transition, SWI-SNF, chromatin modification, DNA repair and RNA processing. Expression analysis defined 4 subtypes: (1) squamous; (2) pancreatic progenitor; (3) immunogenic; and (4) aberrantly differentiated endocrine exocrine (ADEX) that correlate with histopathological characteristics. Squamous tumours are enriched for TP53 and KDM6A mutations, upregulation of the TP63N transcriptional network, hypermethylation of pancreatic endodermal cell-fate determining genes and have a poor prognosis. Pancreatic progenitor tumours preferentially express genes involved in early pancreatic development (FOXA2/3, PDX1 and MNX1). ADEX tumours displayed upregulation of genes that regulate networks involved in KRAS activation, exocrine (NR5A2 and RBPJL), and endocrine differentiation (NEUROD1 and NKX2-2). Immunogenic tumours contained upregulated immune networks including pathways involved in acquired immune suppression. These data infer differences in the molecular evolution of pancreatic cancer subtypes and identify opportunities for therapeutic development.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Bailey, Peter -- Chang, David K -- Nones, Katia -- Johns, Amber L -- Patch, Ann-Marie -- Gingras, Marie-Claude -- Miller, David K -- Christ, Angelika N -- Bruxner, Tim J C -- Quinn, Michael C -- Nourse, Craig -- Murtaugh, L Charles -- Harliwong, Ivon -- Idrisoglu, Senel -- Manning, Suzanne -- Nourbakhsh, Ehsan -- Wani, Shivangi -- Fink, Lynn -- Holmes, Oliver -- Chin, Venessa -- Anderson, Matthew J -- Kazakoff, Stephen -- Leonard, Conrad -- Newell, Felicity -- Waddell, Nick -- Wood, Scott -- Xu, Qinying -- Wilson, Peter J -- Cloonan, Nicole -- Kassahn, Karin S -- Taylor, Darrin -- Quek, Kelly -- Robertson, Alan -- Pantano, Lorena -- Mincarelli, Laura -- Sanchez, Luis N -- Evers, Lisa -- Wu, Jianmin -- Pinese, Mark -- Cowley, Mark J -- Jones, Marc D -- Colvin, Emily K -- Nagrial, Adnan M -- Humphrey, Emily S -- Chantrill, Lorraine A -- Mawson, Amanda -- Humphris, Jeremy -- Chou, Angela -- Pajic, Marina -- Scarlett, Christopher J -- Pinho, Andreia V -- Giry-Laterriere, Marc -- Rooman, Ilse -- Samra, Jaswinder S -- Kench, James G -- Lovell, Jessica A -- Merrett, Neil D -- Toon, Christopher W -- Epari, Krishna -- Nguyen, Nam Q -- Barbour, Andrew -- Zeps, Nikolajs -- Moran-Jones, Kim -- Jamieson, Nigel B -- Graham, Janet S -- Duthie, Fraser -- Oien, Karin -- Hair, Jane -- Grutzmann, Robert -- Maitra, Anirban -- Iacobuzio-Donahue, Christine A -- Wolfgang, Christopher L -- Morgan, Richard A -- Lawlor, Rita T -- Corbo, Vincenzo -- Bassi, Claudio -- Rusev, Borislav -- Capelli, Paola -- Salvia, Roberto -- Tortora, Giampaolo -- Mukhopadhyay, Debabrata -- Petersen, Gloria M -- Australian Pancreatic Cancer Genome Initiative -- Munzy, Donna M -- Fisher, William E -- Karim, Saadia A -- Eshleman, James R -- Hruban, Ralph H -- Pilarsky, Christian -- Morton, Jennifer P -- Sansom, Owen J -- Scarpa, Aldo -- Musgrove, Elizabeth A -- Bailey, Ulla-Maja Hagbo -- Hofmann, Oliver -- Sutherland, Robert L -- Wheeler, David A -- Gill, Anthony J -- Gibbs, Richard A -- Pearson, John V -- Waddell, Nicola -- Biankin, Andrew V -- Grimmond, Sean M -- 103721/Z/14/Z/Wellcome Trust/United Kingdom -- A12481/Cancer Research UK/United Kingdom -- A18076/Cancer Research UK/United Kingdom -- C29717/A17263/Cancer Research UK/United Kingdom -- England -- Nature. 2016 Mar 3;531(7592):47-52. doi: 10.1038/nature16965. Epub 2016 Feb 24.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Queensland Centre for Medical Genomics, Institute for Molecular Bioscience, The University of Queensland, St Lucia, Brisbane, Queensland 4072, Australia. ; Wolfson Wohl Cancer Research Centre, Institute of Cancer Sciences, University of Glasgow, Garscube Estate, Switchback Road, Bearsden, Glasgow G61 1BD, UK. ; The Kinghorn Cancer Centre, 370 Victoria St, Darlinghurst, and the Cancer Research Program, Garvan Institute of Medical Research, 384 Victoria St, Darlinghurst, Sydney, New South Wales 2010, Australia. ; Department of Surgery, Bankstown Hospital, Eldridge Road, Bankstown, Sydney, New South Wales 2200, Australia. ; South Western Sydney Clinical School, Faculty of Medicine, University of New South Wales, Liverpool, New South Wales 2170, Australia. ; QIMR Berghofer Medical Research Institute, Herston, Queensland 4006, Australia. ; Department of Molecular and Human Genetics, Human Genome Sequencing Center, Baylor College of Medicine, Houston, Texas 77030, USA. ; Michael DeBakey Department of Surgery, Baylor College of Medicine, Houston, Texas 77030, USA. ; Dan L. Duncan Cancer Center, Baylor College of Medicine, Houston, Texas 77030, USA. ; Department of Human Genetics, University of Utah, Salt Lake City, Utah 84112, USA. ; Genetic and Molecular Pathology, SA Pathology, Adelaide, South Australia 5000, Australia. ; School of Biological Sciences, The University of Adelaide, Adelaide, South Australia 5000, Australia. ; Harvard Chan Bioinformatics Core, Harvard T. H. Chan School of Public Health, Boston, Massachusetts 02115, USA. ; Macarthur Cancer Therapy Centre, Campbelltown Hospital, New South Wales 2560, Australia. ; Department of Pathology. SydPath, St Vincent's Hospital, Sydney, NSW 2010, Australia. ; St Vincent's Clinical School, Faculty of Medicine, University of New South Wales, New South Wales 2052, Australia. ; School of Environmental &Life Sciences, University of Newcastle, Ourimbah, New South Wales 2258, Australia. ; Department of Surgery, Royal North Shore Hospital, St Leonards, Sydney, New South Wales 2065, Australia. ; University of Sydney, Sydney, New South Wales 2006, Australia. ; Tissue Pathology and Diagnostic Oncology, Royal Prince Alfred Hospital, Camperdown New South Wales 2050, Australia. ; School of Medicine, University of Western Sydney, Penrith, New South Wales 2175, Australia. ; Fiona Stanley Hospital, Robin Warren Drive, Murdoch, Western Australia 6150, Australia. ; Department of Gastroenterology, Royal Adelaide Hospital, North Terrace, Adelaide, South Australia 5000, Australia. ; Department of Surgery, Princess Alexandra Hospital, Ipswich Rd, Woollongabba, Queensland 4102, Australia. ; School of Surgery M507, University of Western Australia, 35 Stirling Hwy, Nedlands 6009, Australia and St John of God Pathology, 12 Salvado Rd, Subiaco, Western Australia 6008, Australia. ; Academic Unit of Surgery, School of Medicine, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow Royal Infirmary, Glasgow G4 OSF, UK. ; West of Scotland Pancreatic Unit, Glasgow Royal Infirmary, Glasgow G31 2ER, UK. ; Department of Medical Oncology, Beatson West of Scotland Cancer Centre, 1053 Great Western Road, Glasgow G12 0YN, UK. ; Department of Pathology, Southern General Hospital, Greater Glasgow &Clyde NHS, Glasgow G51 4TF, UK. ; GGC Bio-repository, Pathology Department, Southern General Hospital, 1345 Govan Road, Glasgow G51 4TY, UK. ; Department of Surgery, TU Dresden, Fetscherstr. 74, 01307 Dresden, Germany. ; Departments of Pathology and Translational Molecular Pathology, UT MD Anderson Cancer Center, Houston Texas 77030, USA. ; The David M. Rubenstein Pancreatic Cancer Research Center and Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, New York 10065, USA. ; Department of Pathology, The Sol Goldman Pancreatic Cancer Research Center, The Johns Hopkins University School of Medicine, Baltimore, Maryland 21231, USA. ; Department of Surgery, The Sol Goldman Pancreatic Cancer Research Center, The Johns Hopkins University School of Medicine, Baltimore, Maryland 21231, USA. ; ARC-Net Applied Research on Cancer Centre, University and Hospital Trust of Verona, Verona 37134, Italy. ; Department of Pathology and Diagnostics, University of Verona, Verona 37134, Italy. ; Department of Surgery, Pancreas Institute, University and Hospital Trust of Verona, Verona 37134, Italy. ; Department of Medical Oncology, Comprehensive Cancer Centre, University and Hospital Trust of Verona, Verona 37134, Italy. ; Mayo Clinic, Rochester, Minnesota 55905, USA. ; Elkins Pancreas Center, Baylor College of Medicine, One Baylor Plaza, MS226, Houston, Texas 77030-3411, USA. ; Cancer Research UK Beatson Institute, Glasgow G61 1BD, UK. ; Institute for Cancer Science, University of Glasgow, Glasgow G12 8QQ, UK. ; University of Melbourne, Parkville, Victoria 3010, Australia.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26909576" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Basic Helix-Loop-Helix Transcription Factors/genetics ; Carcinoma, Pancreatic ; Ductal/classification/genetics/immunology/metabolism/pathology ; Cell Line, Tumor ; DNA Methylation ; DNA-Binding Proteins/genetics ; Gene Expression Regulation, Neoplastic ; Gene Regulatory Networks ; Genes, Neoplasm/*genetics ; Genome, Human/*genetics ; *Genomics ; Hepatocyte Nuclear Factor 3-beta/genetics ; Hepatocyte Nuclear Factor 3-gamma/genetics ; Histone Demethylases/genetics ; Homeodomain Proteins/genetics ; Humans ; Mice ; Mutation/*genetics ; Nuclear Proteins/genetics ; Pancreatic Neoplasms/*classification/*genetics/immunology/metabolism/pathology ; Prognosis ; Receptors, Cytoplasmic and Nuclear/genetics ; Survival Analysis ; Trans-Activators/genetics ; Transcription Factors/genetics ; Transcription, Genetic ; Transcriptome ; Tumor Suppressor Protein p53/genetics ; Tumor Suppressor Proteins/genetics
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  • 7
    Publication Date: 2015-01-09
    Description: Yeasts, which have been a component of the human diet for at least 7,000 years, possess an elaborate cell wall alpha-mannan. The influence of yeast mannan on the ecology of the human microbiota is unknown. Here we show that yeast alpha-mannan is a viable food source for the Gram-negative bacterium Bacteroides thetaiotaomicron, a dominant member of the microbiota. Detailed biochemical analysis and targeted gene disruption studies support a model whereby limited cleavage of alpha-mannan on the surface generates large oligosaccharides that are subsequently depolymerized to mannose by the action of periplasmic enzymes. Co-culturing studies showed that metabolism of yeast mannan by B. thetaiotaomicron presents a 'selfish' model for the catabolism of this difficult to breakdown polysaccharide. Genomic comparison with B. thetaiotaomicron in conjunction with cell culture studies show that a cohort of highly successful members of the microbiota has evolved to consume sterically-restricted yeast glycans, an adaptation that may reflect the incorporation of eukaryotic microorganisms into the human diet.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cuskin, Fiona -- Lowe, Elisabeth C -- Temple, Max J -- Zhu, Yanping -- Cameron, Elizabeth A -- Pudlo, Nicholas A -- Porter, Nathan T -- Urs, Karthik -- Thompson, Andrew J -- Cartmell, Alan -- Rogowski, Artur -- Hamilton, Brian S -- Chen, Rui -- Tolbert, Thomas J -- Piens, Kathleen -- Bracke, Debby -- Vervecken, Wouter -- Hakki, Zalihe -- Speciale, Gaetano -- Munoz-Munoz, Jose L -- Day, Andrew -- Pena, Maria J -- McLean, Richard -- Suits, Michael D -- Boraston, Alisdair B -- Atherly, Todd -- Ziemer, Cherie J -- Williams, Spencer J -- Davies, Gideon J -- Abbott, D Wade -- Martens, Eric C -- Gilbert, Harry J -- 097907/Wellcome Trust/United Kingdom -- BB/G016127/1/Biotechnology and Biological Sciences Research Council/United Kingdom -- GM090080/GM/NIGMS NIH HHS/ -- MOP-68913/Canadian Institutes of Health Research/Canada -- WT097907AIA/Wellcome Trust/United Kingdom -- England -- Nature. 2015 Jan 8;517(7533):165-9. doi: 10.1038/nature13995.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉1] Institute for Cell and Molecular Biosciences, Newcastle University, Newcastle-upon-Tyne NE2 4HH, UK [2] Complex Carbohydrate Research Center, The University of Georgia, 315 Riverbend Road, Athens, Georgia 30602, USA. ; Institute for Cell and Molecular Biosciences, Newcastle University, Newcastle-upon-Tyne NE2 4HH, UK. ; Department of Microbiology and Immunology, University of Michigan Medical School, Ann Arbor, Michigan 48109 USA. ; Department of Chemistry, University of York, York YO10 5DD, UK. ; School of Chemistry and Bio21 Molecular Science and Biotechnology Institute, University of Melbourne, Parkville, Victoria 3010, Australia. ; Interdisciplinary Biochemistry Graduate Program, Indiana University, 800 E. Kirkwood Avenue, Bloomington, Indiana 47405, USA. ; Department of Chemistry, Indiana University, 800 E. Kirkwood Avenue, Bloomington, Indiana 47405, USA. ; Department of Pharmaceutical Chemistry, University of Kansas School of Pharmacy, 2095 Constant Avenue, Lawrence, Kansas 66047, USA. ; Oxyrane, 9052 Ghent, Belgium. ; Complex Carbohydrate Research Center, The University of Georgia, 315 Riverbend Road, Athens, Georgia 30602, USA. ; Agriculture and Agri-Food Canada, Lethbridge Research Centre, Lethbridge, Alberta T1J 4B1, Canada. ; Biochemistry and Microbiology, University of Victoria, Victoria, British Columbia V8P 5C2, Canada. ; USDA, Agricultural Research Service, National Laboratory for Agriculture and the Environment, Ames, Iowa 50011, USA. ; 1] Complex Carbohydrate Research Center, The University of Georgia, 315 Riverbend Road, Athens, Georgia 30602, USA [2] Agriculture and Agri-Food Canada, Lethbridge Research Centre, Lethbridge, Alberta T1J 4B1, Canada.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25567280" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bacteroidetes/cytology/enzymology/genetics/*metabolism ; Biological Evolution ; Carbohydrate Conformation ; Diet ; Enzymes/genetics/metabolism ; Female ; Gastrointestinal Tract/*microbiology ; Genetic Loci/genetics ; Germ-Free Life ; Glycoproteins/chemistry/metabolism ; Humans ; Male ; Mannans/chemistry/*metabolism ; Mannose/metabolism ; Mice ; *Models, Biological ; Models, Molecular ; Oligosaccharides/chemistry/metabolism ; Periplasm/enzymology ; Yeasts/*chemistry
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  • 8
    Publication Date: 2015-03-26
    Description: Congenital heart disease (CHD) is the most prevalent birth defect, affecting nearly 1% of live births; the incidence of CHD is up to tenfold higher in human fetuses. A genetic contribution is strongly suggested by the association of CHD with chromosome abnormalities and high recurrence risk. Here we report findings from a recessive forward genetic screen in fetal mice, showing that cilia and cilia-transduced cell signalling have important roles in the pathogenesis of CHD. The cilium is an evolutionarily conserved organelle projecting from the cell surface with essential roles in diverse cellular processes. Using echocardiography, we ultrasound scanned 87,355 chemically mutagenized C57BL/6J fetal mice and recovered 218 CHD mouse models. Whole-exome sequencing identified 91 recessive CHD mutations in 61 genes. This included 34 cilia-related genes, 16 genes involved in cilia-transduced cell signalling, and 10 genes regulating vesicular trafficking, a pathway important for ciliogenesis and cell signalling. Surprisingly, many CHD genes encoded interacting proteins, suggesting that an interactome protein network may provide a larger genomic context for CHD pathogenesis. These findings provide novel insights into the potential Mendelian genetic contribution to CHD in the fetal population, a segment of the human population not well studied. We note that the pathways identified show overlap with CHD candidate genes recovered in CHD patients, suggesting that they may have relevance to the more complex genetics of CHD overall. These CHD mouse models and 〉8,000 incidental mutations have been sperm archived, creating a rich public resource for human disease modelling.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4617540/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4617540/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Li, You -- Klena, Nikolai T -- Gabriel, George C -- Liu, Xiaoqin -- Kim, Andrew J -- Lemke, Kristi -- Chen, Yu -- Chatterjee, Bishwanath -- Devine, William -- Damerla, Rama Rao -- Chang, Chienfu -- Yagi, Hisato -- San Agustin, Jovenal T -- Thahir, Mohamed -- Anderton, Shane -- Lawhead, Caroline -- Vescovi, Anita -- Pratt, Herbert -- Morgan, Judy -- Haynes, Leslie -- Smith, Cynthia L -- Eppig, Janan T -- Reinholdt, Laura -- Francis, Richard -- Leatherbury, Linda -- Ganapathiraju, Madhavi K -- Tobita, Kimimasa -- Pazour, Gregory J -- Lo, Cecilia W -- HG000330/HG/NHGRI NIH HHS/ -- R01 GM060992/GM/NIGMS NIH HHS/ -- R01MH094564/MH/NIMH NIH HHS/ -- U01 HL098180/HL/NHLBI NIH HHS/ -- U01HL098180/HL/NHLBI NIH HHS/ -- U01HL098188/HL/NHLBI NIH HHS/ -- England -- Nature. 2015 May 28;521(7553):520-4. doi: 10.1038/nature14269. Epub 2015 Mar 25.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Developmental Biology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania 15201, USA. ; Department of Pathology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania 15261, USA. ; Program in Molecular Medicine, University of Massachusetts Medical School, Worcester, Massachusetts 01605, USA. ; 1] Department of Biomedical Informatics, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania 15206, USA [2] Intelligent Systems Program, School of Arts and Sciences, University of Pittsburgh, Pittsburgh, Pennsylvania 16260, USA. ; The Jackson Laboratory, Bar Harbor, Maine 04609, USA. ; The Heart Center, Children's National Medical Center, Washington DC 20010, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25807483" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cilia/genetics/*pathology/physiology/ultrasonography ; DNA Mutational Analysis ; Electrocardiography ; Exome/genetics ; Genes, Recessive ; Genetic Testing ; Heart Defects, Congenital/*genetics/*pathology/ultrasonography ; Humans ; Male ; Mice ; Mice, Inbred C57BL ; Mutation/genetics ; Signal Transduction
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  • 9
    Publication Date: 2015-05-29
    Description: Tumour metastasis is a complex process involving reciprocal interplay between cancer cells and host stroma at both primary and secondary sites, and is strongly influenced by microenvironmental factors such as hypoxia. Tumour-secreted proteins play a crucial role in these interactions and present strategic therapeutic potential. Metastasis of breast cancer to the bone affects approximately 85% of patients with advanced disease and renders them largely untreatable. Specifically, osteolytic bone lesions, where bone is destroyed, lead to debilitating skeletal complications and increased patient morbidity and mortality. The molecular interactions governing the early events of osteolytic lesion formation are currently unclear. Here we show hypoxia to be specifically associated with bone relapse in patients with oestrogen-receptor negative breast cancer. Global quantitative analysis of the hypoxic secretome identified lysyl oxidase (LOX) as significantly associated with bone-tropism and relapse. High expression of LOX in primary breast tumours or systemic delivery of LOX leads to osteolytic lesion formation whereas silencing or inhibition of LOX activity abrogates tumour-driven osteolytic lesion formation. We identify LOX as a novel regulator of NFATc1-driven osteoclastogenesis, independent of RANK ligand, which disrupts normal bone homeostasis leading to the formation of focal pre-metastatic lesions. We show that these lesions subsequently provide a platform for circulating tumour cells to colonize and form bone metastases. Our study identifies a novel mechanism of regulation of bone homeostasis and metastasis, opening up opportunities for novel therapeutic intervention with important clinical implications.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cox, Thomas R -- Rumney, Robin M H -- Schoof, Erwin M -- Perryman, Lara -- Hoye, Anette M -- Agrawal, Ankita -- Bird, Demelza -- Latif, Norain Ab -- Forrest, Hamish -- Evans, Holly R -- Huggins, Iain D -- Lang, Georgina -- Linding, Rune -- Gartland, Alison -- Erler, Janine T -- C107/A10433/Cancer Research UK/United Kingdom -- England -- Nature. 2015 Jun 4;522(7554):106-10. doi: 10.1038/nature14492. Epub 2015 May 27.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉1] Biotech Research and Innovation Centre (BRIC), University of Copenhagen (UCPH), Copenhagen, DK-2200, Denmark [2] Hypoxia and Metastasis Team, Cancer Research UK Tumour Cell Signalling Unit, The Institute of Cancer Research, London SW3 6JB, UK. ; The Mellanby Centre for Bone Research, The University of Sheffield, Sheffield S10 2RX, UK. ; Cellular Signal Integration Group (C-SIG), Technical University of Denmark (DTU), Lyngby, DK-2800, Denmark. ; Biotech Research and Innovation Centre (BRIC), University of Copenhagen (UCPH), Copenhagen, DK-2200, Denmark. ; Hypoxia and Metastasis Team, Cancer Research UK Tumour Cell Signalling Unit, The Institute of Cancer Research, London SW3 6JB, UK. ; 1] Biotech Research and Innovation Centre (BRIC), University of Copenhagen (UCPH), Copenhagen, DK-2200, Denmark [2] Cellular Signal Integration Group (C-SIG), Technical University of Denmark (DTU), Lyngby, DK-2800, Denmark.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26017313" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bone Neoplasms/metabolism/*pathology/prevention & control/*secondary ; Breast Neoplasms/*enzymology/metabolism/pathology/*secretion ; Cell Hypoxia ; Cell Line, Tumor ; Cell Movement ; Female ; Humans ; Mice ; NFATC Transcription Factors/metabolism ; *Neoplasm Metastasis/pathology ; Neoplastic Cells, Circulating/pathology ; Osteoblasts/metabolism/pathology ; Osteoclasts/metabolism/pathology ; Protein-Lysine 6-Oxidase/antagonists & inhibitors/*metabolism ; Receptors, Estrogen/deficiency/genetics
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  • 10
    Publication Date: 2015-03-04
    Description: Inflammation promotes regeneration of injured tissues through poorly understood mechanisms, some of which involve interleukin (IL)-6 family members, the expression of which is elevated in many diseases including inflammatory bowel diseases and colorectal cancer. Here we show in mice and human cells that gp130, a co-receptor for IL-6 cytokines, triggers activation of YAP and Notch, transcriptional regulators that control tissue growth and regeneration, independently of the gp130 effector STAT3. Through YAP and Notch, intestinal gp130 signalling stimulates epithelial cell proliferation, causes aberrant differentiation and confers resistance to mucosal erosion. gp130 associates with the related tyrosine kinases Src and Yes, which are activated on receptor engagement to phosphorylate YAP and induce its stabilization and nuclear translocation. This signalling module is strongly activated upon mucosal injury to promote healing and maintain barrier function.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4447318/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4447318/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Taniguchi, Koji -- Wu, Li-Wha -- Grivennikov, Sergei I -- de Jong, Petrus R -- Lian, Ian -- Yu, Fa-Xing -- Wang, Kepeng -- Ho, Samuel B -- Boland, Brigid S -- Chang, John T -- Sandborn, William J -- Hardiman, Gary -- Raz, Eyal -- Maehara, Yoshihiko -- Yoshimura, Akihiko -- Zucman-Rossi, Jessica -- Guan, Kun-Liang -- Karin, Michael -- CA118165-09/CA/NCI NIH HHS/ -- CA132809/CA/NCI NIH HHS/ -- DP2 OD008469/OD/NIH HHS/ -- EY022611/EY/NEI NIH HHS/ -- R00 DK088589/DK/NIDDK NIH HHS/ -- R01 CA118165/CA/NCI NIH HHS/ -- England -- Nature. 2015 Mar 5;519(7541):57-62. doi: 10.1038/nature14228. Epub 2015 Feb 25.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉1] Laboratory of Gene Regulation and Signal Transduction, University of California, San Diego, La Jolla, California 92093, USA [2] Departments of Pharmacology and Pathology, University of California, San Diego, La Jolla, California 92093, USA [3] Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka 812-8582, Japan [4] Department of Microbiology and Immunology, Keio University School of Medicine, Tokyo 160-8582, Japan. ; 1] Laboratory of Gene Regulation and Signal Transduction, University of California, San Diego, La Jolla, California 92093, USA [2] Institute of Molecular Medicine, College of Medicine, National Cheng Kung University, Tainan 70101, Taiwan. ; 1] Laboratory of Gene Regulation and Signal Transduction, University of California, San Diego, La Jolla, California 92093, USA [2] Fox Chase Cancer Center, Cancer Prevention and Control Program, Philadelphia, Pennsylvania 19111, USA. ; Department of Medicine, University of California, San Diego, La Jolla, California 92093, USA. ; 1] Departments of Pharmacology and Pathology, University of California, San Diego, La Jolla, California 92093, USA [2] Moores Cancer Center, University of California, San Diego, La Jolla, California 92093, USA [3] Department of Biology, Lamar University, PO Box 10037, Beaumont, Texas 77710, USA. ; 1] Departments of Pharmacology and Pathology, University of California, San Diego, La Jolla, California 92093, USA [2] Moores Cancer Center, University of California, San Diego, La Jolla, California 92093, USA [3] Children's Hospital and Institutes of Biomedical Sciences, Fudan University, Shanghai 200032, China. ; Laboratory of Gene Regulation and Signal Transduction, University of California, San Diego, La Jolla, California 92093, USA. ; Department of Medicine, VA San Diego Healthcare System, San Diego, California 92161, USA. ; Inflammatory Bowel Disease Center, Division of Gastroenterology, Department of Medicine, School of Medicine, University of California, San Diego, La Jolla, California 92093, USA. ; 1] Department of Medicine, Medical University of South Carolina, Charleston, South Carolina 29425, USA [2] CSRC and BIMRC, San Diego State University, San Diego, California 92182, USA. ; Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka 812-8582, Japan. ; 1] Department of Microbiology and Immunology, Keio University School of Medicine, Tokyo 160-8582, Japan [2] Japan Science and Technology Agency, CREST, Tokyo 102-0076, Japan. ; 1] Inserm, UMR 1162, Genomique fonctionnelle des tumeurs solides, IUH, Paris 75010, France [2] Universite Paris Descartes, Labex Immuno-oncology, Sorbonne Paris Cite, Faculte de Medicine, Paris 75006, France. ; 1] Departments of Pharmacology and Pathology, University of California, San Diego, La Jolla, California 92093, USA [2] Moores Cancer Center, University of California, San Diego, La Jolla, California 92093, USA. ; 1] Laboratory of Gene Regulation and Signal Transduction, University of California, San Diego, La Jolla, California 92093, USA [2] Departments of Pharmacology and Pathology, University of California, San Diego, La Jolla, California 92093, USA [3] Moores Cancer Center, University of California, San Diego, La Jolla, California 92093, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25731159" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptor Proteins, Signal Transducing/*metabolism ; Animals ; Body Weight ; Cell Differentiation ; Cell Proliferation ; Cytokine Receptor gp130/*metabolism ; Disease Models, Animal ; Enzyme Activation ; Epithelial Cells/*cytology/metabolism/pathology ; HEK293 Cells ; Homeostasis ; Humans ; Inflammation/*metabolism/pathology ; Inflammatory Bowel Diseases/metabolism/pathology ; Intestinal Mucosa/*cytology/metabolism/pathology ; Mice ; Phosphoproteins/*metabolism ; Proto-Oncogene Proteins c-yes/metabolism ; Proto-Oncogene Proteins pp60(c-src)/*metabolism ; Receptors, Notch/metabolism ; *Regeneration ; Signal Transduction ; Up-Regulation
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