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  • 1
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    Exaggerated translation causes synaptic and behavioural aberrations associated with autism (2012)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2012-12-25
    Description: Autism spectrum disorders (ASDs) are an early onset, heterogeneous group of heritable neuropsychiatric disorders with symptoms that include deficits in social interaction skills, impaired communication abilities, and ritualistic-like repetitive behaviours. One of the hypotheses for a common molecular mechanism underlying ASDs is altered translational control resulting in exaggerated protein synthesis. Genetic variants in chromosome 4q, which contains the EIF4E locus, have been described in patients with autism. Importantly, a rare single nucleotide polymorphism has been identified in autism that is associated with increased promoter activity in the EIF4E gene. Here we show that genetically increasing the levels of eukaryotic translation initiation factor 4E (eIF4E) in mice results in exaggerated cap-dependent translation and aberrant behaviours reminiscent of autism, including repetitive and perseverative behaviours and social interaction deficits. Moreover, these autistic-like behaviours are accompanied by synaptic pathophysiology in the medial prefrontal cortex, striatum and hippocampus. The autistic-like behaviours displayed by the eIF4E-transgenic mice are corrected by intracerebroventricular infusions of the cap-dependent translation inhibitor 4EGI-1. Our findings demonstrate a causal relationship between exaggerated cap-dependent translation, synaptic dysfunction and aberrant behaviours associated with autism.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3548017/" 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/PMC3548017/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Santini, Emanuela -- Huynh, Thu N -- MacAskill, Andrew F -- Carter, Adam G -- Pierre, Philippe -- Ruggero, Davide -- Kaphzan, Hanoch -- Klann, Eric -- CA154916/CA/NCI NIH HHS/ -- NS034007/NS/NINDS NIH HHS/ -- NS047384/NS/NINDS NIH HHS/ -- NS078718/NS/NINDS NIH HHS/ -- R01 CA154916/CA/NCI NIH HHS/ -- R01 NS034007/NS/NINDS NIH HHS/ -- R01 NS047384/NS/NINDS NIH HHS/ -- R21 NS078718/NS/NINDS NIH HHS/ -- Wellcome Trust/United Kingdom -- England -- Nature. 2013 Jan 17;493(7432):411-5. doi: 10.1038/nature11782. Epub 2012 Dec 23.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Neural Science, New York University, New York, New York 10003, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23263185" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Autistic Disorder/drug therapy/*genetics/pathology/*physiopathology ; Behavior, Animal/drug effects ; Dendrites/metabolism/pathology ; Eukaryotic Initiation Factor-4E/genetics/*metabolism ; Eukaryotic Initiation Factor-4G/metabolism ; Female ; Hippocampus/metabolism ; Hydrazones ; Infusions, Intraventricular ; Male ; Mice ; Mice, Transgenic ; Neostriatum/metabolism ; Neuronal Plasticity ; Nitro Compounds/administration & dosage/pharmacology/therapeutic use ; Prefrontal Cortex/metabolism ; *Protein Biosynthesis/drug effects/genetics ; RNA Caps/metabolism ; Synapses/*metabolism/*pathology ; Thiazoles/administration & dosage/pharmacology/therapeutic use
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 2
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    Epigenetics: Erase for a new start (2012)
    Nature Publishing Group (NPG)
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    Publication Date: 2012-12-22
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Guibert, Sylvain -- Weber, Michael -- England -- Nature. 2012 Dec 20;492(7429):363-4. doi: 10.1038/492363a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23257876" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; DNA-Binding Proteins/*metabolism ; Female ; Gene Expression Regulation/*genetics ; Male ; Meiosis/*genetics ; Oocytes/*metabolism ; Proto-Oncogene Proteins/*metabolism
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 3
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    Serine starvation induces stress and p53-dependent metabolic remodelling in cancer cells (2012)
    Nature Publishing Group (NPG)
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    Publication Date: 2012-12-18
    Description: Cancer cells acquire distinct metabolic adaptations to survive stress associated with tumour growth and to satisfy the anabolic demands of proliferation. The tumour suppressor protein p53 (also known as TP53) influences a range of cellular metabolic processes, including glycolysis, oxidative phosphorylation, glutaminolysis and anti-oxidant response. In contrast to its role in promoting apoptosis during DNA-damaging stress, p53 can promote cell survival during metabolic stress, a function that may contribute not only to tumour suppression but also to non-cancer-associated functions of p53. Here we show that human cancer cells rapidly use exogenous serine and that serine deprivation triggered activation of the serine synthesis pathway and rapidly suppressed aerobic glycolysis, resulting in an increased flux to the tricarboxylic acid cycle. Transient p53-p21 (also known as CDKN1A) activation and cell-cycle arrest promoted cell survival by efficiently channelling depleted serine stores to glutathione synthesis, thus preserving cellular anti-oxidant capacity. Cells lacking p53 failed to complete the response to serine depletion, resulting in oxidative stress, reduced viability and severely impaired proliferation. The role of p53 in supporting cancer cell proliferation under serine starvation was translated to an in vivo model, indicating that serine depletion has a potential role in the treatment of p53-deficient tumours.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Maddocks, Oliver D K -- Berkers, Celia R -- Mason, Susan M -- Zheng, Liang -- Blyth, Karen -- Gottlieb, Eyal -- Vousden, Karen H -- Cancer Research UK/United Kingdom -- England -- Nature. 2013 Jan 24;493(7433):542-6. doi: 10.1038/nature11743. Epub 2012 Dec 16.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉The Beatson Institute for Cancer Research, Switchback Road, Glasgow G61 1BD, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23242140" target="_blank"〉PubMed〈/a〉
    Keywords: Aerobiosis ; Animals ; Antioxidants/metabolism ; Cell Cycle Checkpoints ; Cell Line, Tumor ; Cell Proliferation ; Cell Survival ; Cells, Cultured ; Citric Acid Cycle ; Cyclin-Dependent Kinase Inhibitor p21/genetics/metabolism ; Disease Models, Animal ; *Energy Metabolism ; Female ; G1 Phase ; Glutathione/biosynthesis ; Glycolysis/drug effects ; HCT116 Cells ; Humans ; Mice ; Neoplasm Transplantation ; Neoplasms/*metabolism/*pathology ; Nucleotides/metabolism ; *Oxidative Stress ; Promoter Regions, Genetic/genetics ; Serine/biosynthesis/*deficiency/metabolism/pharmacology ; Starvation ; Tumor Suppressor Protein p53/deficiency/genetics/*metabolism
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 4
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    Mosaic PPM1D mutations are associated with predisposition to breast and ovarian cancer (2012)
    Nature Publishing Group (NPG)
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    Publication Date: 2012-12-18
    Description: Improved sequencing technologies offer unprecedented opportunities for investigating the role of rare genetic variation in common disease. However, there are considerable challenges with respect to study design, data analysis and replication. Using pooled next-generation sequencing of 507 genes implicated in the repair of DNA in 1,150 samples, an analytical strategy focused on protein-truncating variants (PTVs) and a large-scale sequencing case-control replication experiment in 13,642 individuals, here we show that rare PTVs in the p53-inducible protein phosphatase PPM1D are associated with predisposition to breast cancer and ovarian cancer. PPM1D PTV mutations were present in 25 out of 7,781 cases versus 1 out of 5,861 controls (P = 1.12 x 10(-5)), including 18 mutations in 6,912 individuals with breast cancer (P = 2.42 x 10(-4)) and 12 mutations in 1,121 individuals with ovarian cancer (P = 3.10 x 10(-9)). Notably, all of the identified PPM1D PTVs were mosaic in lymphocyte DNA and clustered within a 370-base-pair region in the final exon of the gene, carboxy-terminal to the phosphatase catalytic domain. Functional studies demonstrate that the mutations result in enhanced suppression of p53 in response to ionizing radiation exposure, suggesting that the mutant alleles encode hyperactive PPM1D isoforms. Thus, although the mutations cause premature protein truncation, they do not result in the simple loss-of-function effect typically associated with this class of variant, but instead probably have a gain-of-function effect. Our results have implications for the detection and management of breast and ovarian cancer risk. More generally, these data provide new insights into the role of rare and of mosaic genetic variants in common conditions, and the use of sequencing in their identification.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3759028/" 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/PMC3759028/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ruark, Elise -- Snape, Katie -- Humburg, Peter -- Loveday, Chey -- Bajrami, Ilirjana -- Brough, Rachel -- Rodrigues, Daniel Nava -- Renwick, Anthony -- Seal, Sheila -- Ramsay, Emma -- Duarte, Silvana Del Vecchio -- Rivas, Manuel A -- Warren-Perry, Margaret -- Zachariou, Anna -- Campion-Flora, Adriana -- Hanks, Sandra -- Murray, Anne -- Ansari Pour, Naser -- Douglas, Jenny -- Gregory, Lorna -- Rimmer, Andrew -- Walker, Neil M -- Yang, Tsun-Po -- Adlard, Julian W -- Barwell, Julian -- Berg, Jonathan -- Brady, Angela F -- Brewer, Carole -- Brice, Glen -- Chapman, Cyril -- Cook, Jackie -- Davidson, Rosemarie -- Donaldson, Alan -- Douglas, Fiona -- Eccles, Diana -- Evans, D Gareth -- Greenhalgh, Lynn -- Henderson, Alex -- Izatt, Louise -- Kumar, Ajith -- Lalloo, Fiona -- Miedzybrodzka, Zosia -- Morrison, Patrick J -- Paterson, Joan -- Porteous, Mary -- Rogers, Mark T -- Shanley, Susan -- Walker, Lisa -- Gore, Martin -- Houlston, Richard -- Brown, Matthew A -- Caufield, Mark J -- Deloukas, Panagiotis -- McCarthy, Mark I -- Todd, John A -- Breast and Ovarian Cancer Susceptibility Collaboration -- Wellcome Trust Case Control Consortium -- Turnbull, Clare -- Reis-Filho, Jorge S -- Ashworth, Alan -- Antoniou, Antonis C -- Lord, Christopher J -- Donnelly, Peter -- Rahman, Nazneen -- 068545/Z/02/Wellcome Trust/United Kingdom -- 083948/Wellcome Trust/United Kingdom -- 090532/Wellcome Trust/United Kingdom -- 090532/Z/09/Z/Wellcome Trust/United Kingdom -- 091157/Wellcome Trust/United Kingdom -- 095552/Wellcome Trust/United Kingdom -- 098051/Wellcome Trust/United Kingdom -- 100140/Wellcome Trust/United Kingdom -- 11174/Cancer Research UK/United Kingdom -- C12292/A11174/Cancer Research UK/United Kingdom -- CZB/4/540/Chief Scientist Office/United Kingdom -- ETM/137/Chief Scientist Office/United Kingdom -- ETM/75/Chief Scientist Office/United Kingdom -- G0000934/Medical Research Council/United Kingdom -- G0600329/Medical Research Council/United Kingdom -- G0800759/Medical Research Council/United Kingdom -- G0900747 91070/Medical Research Council/United Kingdom -- G9521010/Medical Research Council/United Kingdom -- MR/K006584/1/Medical Research Council/United Kingdom -- England -- Nature. 2013 Jan 17;493(7432):406-10. doi: 10.1038/nature11725. Epub 2012 Dec 16.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Genetics & Epidemiology, The Institute of Cancer Research, Sutton SM2 5NG, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23242139" target="_blank"〉PubMed〈/a〉
    Keywords: Alleles ; Breast Neoplasms/*genetics ; Cluster Analysis ; Exons ; Female ; Genetic Predisposition to Disease/*genetics ; Humans ; Isoenzymes/genetics ; Lymphocytes/metabolism ; *Mosaicism ; *Mutation ; Ovarian Neoplasms/*genetics ; Phosphoprotein Phosphatases/*genetics ; Sequence Analysis, DNA ; Tumor Suppressor Protein p53/metabolism
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 5
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    Pheromonal induction of spatial learning in mice (2012)
    American Association for the Advancement of Science (AAAS)
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    Publication Date: 2012-12-15
    Description: Many mammals use scent marking for sexual and competitive advertisement, but little is known about the mechanism by which scents are used to locate mates and competitors. We show that darcin, an involatile protein sex pheromone in male mouse urine, can rapidly condition preference for its remembered location among females and competitor males so that animals prefer to spend time in the site even when scent is absent. Learned spatial preference is conditioned through contact with darcin in a single trial and remembered for approximately 14 days. This pheromone-induced learning allows animals to relocate sites of particular social relevance and provides proof that pheromones such as darcin can be highly potent stimuli for social learning.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Roberts, Sarah A -- Davidson, Amanda J -- McLean, Lynn -- Beynon, Robert J -- Hurst, Jane L -- BB/J002631/1/Biotechnology and Biological Sciences Research Council/United Kingdom -- BBC503897/Biotechnology and Biological Sciences Research Council/United Kingdom -- New York, N.Y. -- Science. 2012 Dec 14;338(6113):1462-5. doi: 10.1126/science.1225638.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Mammalian Behaviour and Evolution Group, Institute of Integrative Biology, University of Liverpool, Leahurst Campus, Neston CH64 7TE, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23239735" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Competitive Behavior/drug effects/*physiology ; Conditioning (Psychology)/drug effects/physiology ; Female ; Male ; Maze Learning/drug effects/*physiology ; Mice ; Mice, Inbred C57BL ; Proteins/pharmacology/*physiology ; Sex Attractants/pharmacology/*physiology/urine ; Smell/drug effects/physiology ; Spatial Behavior/drug effects/*physiology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 6
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    Automated design of ligands to polypharmacological profiles (2012)
    Nature Publishing Group (NPG)
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    Publication Date: 2012-12-14
    Description: The clinical efficacy and safety of a drug is determined by its activity profile across many proteins in the proteome. However, designing drugs with a specific multi-target profile is both complex and difficult. Therefore methods to design drugs rationally a priori against profiles of several proteins would have immense value in drug discovery. Here we describe a new approach for the automated design of ligands against profiles of multiple drug targets. The method is demonstrated by the evolution of an approved acetylcholinesterase inhibitor drug into brain-penetrable ligands with either specific polypharmacology or exquisite selectivity profiles for G-protein-coupled receptors. Overall, 800 ligand-target predictions of prospectively designed ligands were tested experimentally, of which 75% were confirmed to be correct. We also demonstrate target engagement in vivo. The approach can be a useful source of drug leads when multi-target profiles are required to achieve either selectivity over other drug targets or a desired polypharmacology.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3653568/" 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/PMC3653568/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Besnard, Jeremy -- Ruda, Gian Filippo -- Setola, Vincent -- Abecassis, Keren -- Rodriguiz, Ramona M -- Huang, Xi-Ping -- Norval, Suzanne -- Sassano, Maria F -- Shin, Antony I -- Webster, Lauren A -- Simeons, Frederick R C -- Stojanovski, Laste -- Prat, Annik -- Seidah, Nabil G -- Constam, Daniel B -- Bickerton, G Richard -- Read, Kevin D -- Wetsel, William C -- Gilbert, Ian H -- Roth, Bryan L -- Hopkins, Andrew L -- 083481/Wellcome Trust/United Kingdom -- BB/FOF/PF/15/09/Biotechnology and Biological Sciences Research Council/United Kingdom -- BB/J010510/1/Biotechnology and Biological Sciences Research Council/United Kingdom -- MH082441/MH/NIMH NIH HHS/ -- R01 DA017204/DA/NIDA NIH HHS/ -- R01 MH061887/MH/NIMH NIH HHS/ -- U19 MH082441/MH/NIMH NIH HHS/ -- WT 083481/Wellcome Trust/United Kingdom -- England -- Nature. 2012 Dec 13;492(7428):215-20. doi: 10.1038/nature11691.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Biological Chemistry and Drug Discovery, College of Life Sciences, University of Dundee, Dundee DD1 5EH, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23235874" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Automation ; Drug Delivery Systems ; *Drug Design ; Female ; *Ligands ; Male ; Mice ; Mice, Inbred C57BL ; Models, Theoretical ; Pharmacological Phenomena ; Reproducibility of Results
    Print ISSN: 0028-0836
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 7
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    CCR5 is a receptor for Staphylococcus aureus leukotoxin ED (2012)
    Nature Publishing Group (NPG)
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    Publication Date: 2012-12-14
    Description: Pore-forming toxins are critical virulence factors for many bacterial pathogens and are central to Staphylococcus aureus-mediated killing of host cells. S. aureus encodes pore-forming bi-component leukotoxins that are toxic towards neutrophils, but also specifically target other immune cells. Despite decades since the first description of staphylococcal leukocidal activity, the host factors responsible for the selectivity of leukotoxins towards different immune cells remain unknown. Here we identify the human immunodeficiency virus (HIV) co-receptor CCR5 as a cellular determinant required for cytotoxic targeting of subsets of myeloid cells and T lymphocytes by the S. aureus leukotoxin ED (LukED). We further demonstrate that LukED-dependent cell killing is blocked by CCR5 receptor antagonists, including the HIV drug maraviroc. Remarkably, CCR5-deficient mice are largely resistant to lethal S. aureus infection, highlighting the importance of CCR5 targeting in S. aureus pathogenesis. Thus, depletion of CCR5(+) leukocytes by LukED suggests a new immune evasion mechanism of S. aureus that can be therapeutically targeted.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3536884/" 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/PMC3536884/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Alonzo, Francis 3rd -- Kozhaya, Lina -- Rawlings, Stephen A -- Reyes-Robles, Tamara -- DuMont, Ashley L -- Myszka, David G -- Landau, Nathaniel R -- Unutmaz, Derya -- Torres, Victor J -- F32 AI098395/AI/NIAID NIH HHS/ -- R01 AI065303/AI/NIAID NIH HHS/ -- R01-AI065303/AI/NIAID NIH HHS/ -- R21 AI087973/AI/NIAID NIH HHS/ -- R21-AI087973/AI/NIAID NIH HHS/ -- R42-MH084372-02A1/MH/NIMH NIH HHS/ -- R56-AI091856-01A1/AI/NIAID NIH HHS/ -- England -- Nature. 2013 Jan 3;493(7430):51-5. doi: 10.1038/nature11724. Epub 2012 Dec 12.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Microbiology, New York University School of Medicine, New York, New York 10016, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23235831" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bacterial Toxins/*metabolism ; CCR5 Receptor Antagonists ; Cell Death ; Cells, Cultured ; Dendritic Cells/cytology/immunology/metabolism ; Exotoxins/*metabolism ; Female ; Humans ; Immune Evasion ; Immunologic Memory ; Jurkat Cells ; Mice ; Myeloid Cells/cytology/immunology/metabolism ; Receptors, CCR5/*metabolism ; Staphylococcus aureus/immunology/*pathogenicity ; T-Lymphocytes/cytology/immunology/metabolism
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 8
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    FMRP targets distinct mRNA sequence elements to regulate protein expression (2012)
    Nature Publishing Group (NPG)
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    Publication Date: 2012-12-14
    Description: Fragile X syndrome (FXS) is a multi-organ disease that leads to mental retardation, macro-orchidism in males and premature ovarian insufficiency in female carriers. FXS is also a prominent monogenic disease associated with autism spectrum disorders (ASDs). FXS is typically caused by the loss of fragile X mental retardation 1 (FMR1) expression, which codes for the RNA-binding protein FMRP. Here we report the discovery of distinct RNA-recognition elements that correspond to the two independent RNA-binding domains of FMRP, in addition to the binding sites within the messenger RNA targets for wild-type and I304N mutant FMRP isoforms and the FMRP paralogues FXR1P and FXR2P (also known as FXR1 and FXR2). RNA-recognition-element frequency, ratio and distribution determine target mRNA association with FMRP. Among highly enriched targets, we identify many genes involved in ASD and show that FMRP affects their protein levels in human cell culture, mouse ovaries and human brain. Notably, we discovered that these targets are also dysregulated in Fmr1(-/-) mouse ovaries showing signs of premature follicular overdevelopment. These results indicate that FMRP targets share signalling pathways across different cellular contexts. As the importance of signalling pathways in both FXS and ASD is becoming increasingly apparent, our results provide a ranked list of genes as basis for the pursuit of new therapeutic targets for these neurological disorders.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3528815/" 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/PMC3528815/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ascano, Manuel Jr -- Mukherjee, Neelanjan -- Bandaru, Pradeep -- Miller, Jason B -- Nusbaum, Jeffrey D -- Corcoran, David L -- Langlois, Christine -- Munschauer, Mathias -- Dewell, Scott -- Hafner, Markus -- Williams, Zev -- Ohler, Uwe -- Tuschl, Thomas -- HD068546/HD/NICHD NIH HHS/ -- K08 HD068546/HD/NICHD NIH HHS/ -- R01 GM104962/GM/NIGMS NIH HHS/ -- R01 MH080442/MH/NIMH NIH HHS/ -- UL1RR024143/RR/NCRR NIH HHS/ -- Howard Hughes Medical Institute/ -- England -- Nature. 2012 Dec 20;492(7429):382-6. doi: 10.1038/nature11737. Epub 2012 Dec 12.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, Laboratory of RNA Molecular Biology, The Rockefeller University, New York, New York 10065, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23235829" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Base Sequence ; Binding Sites ; Brain/metabolism ; Child ; Child Development Disorders, Pervasive/genetics/metabolism ; Cross-Linking Reagents ; Female ; Fragile X Mental Retardation Protein/*genetics/*metabolism ; Gene Expression Regulation/*genetics ; HEK293 Cells ; Humans ; Immunoprecipitation ; Mice ; Molecular Sequence Data ; Multigene Family ; Mutation ; Ovary/metabolism/pathology ; Protein Biosynthesis/*genetics ; RNA, Messenger/*genetics/metabolism ; Regulatory Sequences, Ribonucleic Acid/*genetics ; Response Elements/genetics ; Signal Transduction ; Substrate Specificity
    Print ISSN: 0028-0836
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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    Neurodevelopmental disorders: Signalling pathways of fragile X syndrome (2012)
    Nature Publishing Group (NPG)
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    Publication Date: 2012-12-14
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jayaseelan, Sabarinath -- Tenenbaum, Scott A -- England -- Nature. 2012 Dec 20;492(7429):359-60. doi: 10.1038/nature11764. Epub 2012 Dec 12.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23235826" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Female ; Fragile X Mental Retardation Protein/*genetics/*metabolism ; Gene Expression Regulation/*genetics ; Humans ; Protein Biosynthesis/*genetics ; RNA, Messenger/*genetics ; Regulatory Sequences, Ribonucleic Acid/*genetics
    Print ISSN: 0028-0836
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 10
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    Dopamine neurons modulate neural encoding and expression of depression-related behaviour (2012)
    Nature Publishing Group (NPG)
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    Publication Date: 2012-12-14
    Description: Major depression is characterized by diverse debilitating symptoms that include hopelessness and anhedonia. Dopamine neurons involved in reward and motivation are among many neural populations that have been hypothesized to be relevant, and certain antidepressant treatments, including medications and brain stimulation therapies, can influence the complex dopamine system. Until now it has not been possible to test this hypothesis directly, even in animal models, as existing therapeutic interventions are unable to specifically target dopamine neurons. Here we investigated directly the causal contributions of defined dopamine neurons to multidimensional depression-like phenotypes induced by chronic mild stress, by integrating behavioural, pharmacological, optogenetic and electrophysiological methods in freely moving rodents. We found that bidirectional control (inhibition or excitation) of specified midbrain dopamine neurons immediately and bidirectionally modulates (induces or relieves) multiple independent depression symptoms caused by chronic stress. By probing the circuit implementation of these effects, we observed that optogenetic recruitment of these dopamine neurons potently alters the neural encoding of depression-related behaviours in the downstream nucleus accumbens of freely moving rodents, suggesting that processes affecting depression symptoms may involve alterations in the neural encoding of action in limbic circuitry.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4160519/" 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/PMC4160519/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tye, Kay M -- Mirzabekov, Julie J -- Warden, Melissa R -- Ferenczi, Emily A -- Tsai, Hsing-Chen -- Finkelstein, Joel -- Kim, Sung-Yon -- Adhikari, Avishek -- Thompson, Kimberly R -- Andalman, Aaron S -- Gunaydin, Lisa A -- Witten, Ilana B -- Deisseroth, Karl -- DP2 DA035149/DA/NIDA NIH HHS/ -- F32 MH880102/MH/NIMH NIH HHS/ -- Howard Hughes Medical Institute/ -- England -- Nature. 2013 Jan 24;493(7433):537-41. doi: 10.1038/nature11740. Epub 2012 Dec 12.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Picower Institute for Learning and Memory, Brain and Cognitive Sciences, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA. kaytye@mit.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23235822" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Depression/chemically induced/*physiopathology ; Dopamine/metabolism ; Dopaminergic Neurons/drug effects/*metabolism/radiation effects ; Female ; Male ; Mice ; Models, Neurological ; Nucleus Accumbens/metabolism ; Optogenetics ; Phenotype ; Rats ; Rats, Long-Evans ; Stress, Psychological/physiopathology ; Time Factors ; Ventral Tegmental Area/cytology
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Published by Nature Publishing Group (NPG)
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