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  • 1
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    A new highly penetrant form of obesity due to deletions on chromosome 16p11.2 (2010)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2010-02-05
    Description: Obesity has become a major worldwide challenge to public health, owing to an interaction between the Western 'obesogenic' environment and a strong genetic contribution. Recent extensive genome-wide association studies (GWASs) have identified numerous single nucleotide polymorphisms associated with obesity, but these loci together account for only a small fraction of the known heritable component. Thus, the 'common disease, common variant' hypothesis is increasingly coming under challenge. Here we report a highly penetrant form of obesity, initially observed in 31 subjects who were heterozygous for deletions of at least 593 kilobases at 16p11.2 and whose ascertainment included cognitive deficits. Nineteen similar deletions were identified from GWAS data in 16,053 individuals from eight European cohorts. These deletions were absent from healthy non-obese controls and accounted for 0.7% of our morbid obesity cases (body mass index (BMI) 〉or= 40 kg m(-2) or BMI standard deviation score 〉or= 4; P = 6.4 x 10(-8), odds ratio 43.0), demonstrating the potential importance in common disease of rare variants with strong effects. This highlights a promising strategy for identifying missing heritability in obesity and other complex traits: cohorts with extreme phenotypes are likely to be enriched for rare variants, thereby improving power for their discovery. Subsequent analysis of the loci so identified may well reveal additional rare variants that further contribute to the missing heritability, as recently reported for SIM1 (ref. 3). The most productive approach may therefore be to combine the 'power of the extreme' in small, well-phenotyped cohorts, with targeted follow-up in case-control and population cohorts.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2880448/" 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/PMC2880448/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Walters, R G -- Jacquemont, S -- Valsesia, A -- de Smith, A J -- Martinet, D -- Andersson, J -- Falchi, M -- Chen, F -- Andrieux, J -- Lobbens, S -- Delobel, B -- Stutzmann, F -- El-Sayed Moustafa, J S -- Chevre, J-C -- Lecoeur, C -- Vatin, V -- Bouquillon, S -- Buxton, J L -- Boute, O -- Holder-Espinasse, M -- Cuisset, J-M -- Lemaitre, M-P -- Ambresin, A-E -- Brioschi, A -- Gaillard, M -- Giusti, V -- Fellmann, F -- Ferrarini, A -- Hadjikhani, N -- Campion, D -- Guilmatre, A -- Goldenberg, A -- Calmels, N -- Mandel, J-L -- Le Caignec, C -- David, A -- Isidor, B -- Cordier, M-P -- Dupuis-Girod, S -- Labalme, A -- Sanlaville, D -- Beri-Dexheimer, M -- Jonveaux, P -- Leheup, B -- Ounap, K -- Bochukova, E G -- Henning, E -- Keogh, J -- Ellis, R J -- Macdermot, K D -- van Haelst, M M -- Vincent-Delorme, C -- Plessis, G -- Touraine, R -- Philippe, A -- Malan, V -- Mathieu-Dramard, M -- Chiesa, J -- Blaumeiser, B -- Kooy, R F -- Caiazzo, R -- Pigeyre, M -- Balkau, B -- Sladek, R -- Bergmann, S -- Mooser, V -- Waterworth, D -- Reymond, A -- Vollenweider, P -- Waeber, G -- Kurg, A -- Palta, P -- Esko, T -- Metspalu, A -- Nelis, M -- Elliott, P -- Hartikainen, A-L -- McCarthy, M I -- Peltonen, L -- Carlsson, L -- Jacobson, P -- Sjostrom, L -- Huang, N -- Hurles, M E -- O'Rahilly, S -- Farooqi, I S -- Mannik, K -- Jarvelin, M-R -- Pattou, F -- Meyre, D -- Walley, A J -- Coin, L J M -- Blakemore, A I F -- Froguel, P -- Beckmann, J S -- 077014/Wellcome Trust/United Kingdom -- 079534/Wellcome Trust/United Kingdom -- 082390/Wellcome Trust/United Kingdom -- 089061/Wellcome Trust/United Kingdom -- 1RL1MH083268-01/MH/NIMH NIH HHS/ -- 5R01HL087679-02/HL/NHLBI NIH HHS/ -- 5R01MH63706:02/MH/NIMH NIH HHS/ -- G0500539/Medical Research Council/United Kingdom -- G0600331/Medical Research Council/United Kingdom -- G0600331(77796)/Medical Research Council/United Kingdom -- G0900554/Medical Research Council/United Kingdom -- Wellcome Trust/United Kingdom -- England -- Nature. 2010 Feb 4;463(7281):671-5. doi: 10.1038/nature08727.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Section of Genomic Medicine, Imperial College London, London W12 0NN, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20130649" target="_blank"〉PubMed〈/a〉
    Keywords: Adolescent ; Adult ; Age of Onset ; Aging ; Body Mass Index ; Case-Control Studies ; Child ; *Chromosome Deletion ; Chromosomes, Human, Pair 16/*genetics ; Cognition Disorders/complications/genetics ; Cohort Studies ; Europe ; Female ; Genome-Wide Association Study ; Heterozygote ; Humans ; Inheritance Patterns/genetics ; Male ; Mutation/genetics ; Obesity/complications/*genetics/*physiopathology ; *Penetrance ; Reproducibility of Results ; Sex Characteristics ; Young Adult
    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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  • 2
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    Tetanus toxoid and CCL3 improve dendritic cell vaccines in mice and glioblastoma patients (2015)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2015-03-13
    Description: After stimulation, dendritic cells (DCs) mature and migrate to draining lymph nodes to induce immune responses. As such, autologous DCs generated ex vivo have been pulsed with tumour antigens and injected back into patients as immunotherapy. While DC vaccines have shown limited promise in the treatment of patients with advanced cancers including glioblastoma, the factors dictating DC vaccine efficacy remain poorly understood. Here we show that pre-conditioning the vaccine site with a potent recall antigen such as tetanus/diphtheria (Td) toxoid can significantly improve the lymph node homing and efficacy of tumour-antigen-specific DCs. To assess the effect of vaccine site pre-conditioning in humans, we randomized patients with glioblastoma to pre-conditioning with either mature DCs or Td unilaterally before bilateral vaccination with DCs pulsed with Cytomegalovirus phosphoprotein 65 (pp65) RNA. We and other laboratories have shown that pp65 is expressed in more than 90% of glioblastoma specimens but not in surrounding normal brain, providing an unparalleled opportunity to subvert this viral protein as a tumour-specific target. Patients given Td had enhanced DC migration bilaterally and significantly improved survival. In mice, Td pre-conditioning also enhanced bilateral DC migration and suppressed tumour growth in a manner dependent on the chemokine CCL3. Our clinical studies and corroborating investigations in mice suggest that pre-conditioning with a potent recall antigen may represent a viable strategy to improve anti-tumour immunotherapy.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4510871/" 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/PMC4510871/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mitchell, Duane A -- Batich, Kristen A -- Gunn, Michael D -- Huang, Min-Nung -- Sanchez-Perez, Luis -- Nair, Smita K -- Congdon, Kendra L -- Reap, Elizabeth A -- Archer, Gary E -- Desjardins, Annick -- Friedman, Allan H -- Friedman, Henry S -- Herndon, James E 2nd -- Coan, April -- McLendon, Roger E -- Reardon, David A -- Vredenburgh, James J -- Bigner, Darell D -- Sampson, John H -- 1UL2 RR024128-01/RR/NCRR NIH HHS/ -- P01 CA154291/CA/NCI NIH HHS/ -- P01-CA154291-01A1/CA/NCI NIH HHS/ -- P50 CA108786/CA/NCI NIH HHS/ -- P50 NS020023/NS/NINDS NIH HHS/ -- P50-CA108786/CA/NCI NIH HHS/ -- P50-NS20023/NS/NINDS NIH HHS/ -- R01 CA134844/CA/NCI NIH HHS/ -- R01 CA177476/CA/NCI NIH HHS/ -- R01 NS067037/NS/NINDS NIH HHS/ -- R01-CA134844/CA/NCI NIH HHS/ -- R01-CA177476-01/CA/NCI NIH HHS/ -- R01-NS067037/NS/NINDS NIH HHS/ -- T32 AI052077/AI/NIAID NIH HHS/ -- T32 GM007171/GM/NIGMS NIH HHS/ -- England -- Nature. 2015 Mar 19;519(7543):366-9. doi: 10.1038/nature14320. Epub 2015 Mar 11.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉1] Preston Robert Tisch Brain Tumor Center, Duke University Medical Center, Durham, North Carolina 27710, USA [2] Division of Neurosurgery, Department of Surgery, Duke University Medical Center, Durham, North Carolina 27710, USA [3] Department of Pathology, Duke University Medical Center, Durham, North Carolina 27710, USA. ; 1] Division of Neurosurgery, Department of Surgery, Duke University Medical Center, Durham, North Carolina 27710, USA [2] Department of Pathology, Duke University Medical Center, Durham, North Carolina 27710, USA. ; 1] Division of Cardiology, Department of Medicine, Duke University Medical Center, Durham, North Carolina 27710, USA [2] Department of Immunology, Duke University Medical Center, Durham, North Carolina 27710, USA. ; Department of Immunology, Duke University Medical Center, Durham, North Carolina 27710, USA. ; Division of Neurosurgery, Department of Surgery, Duke University Medical Center, Durham, North Carolina 27710, USA. ; Division of Surgical Sciences, Department of Surgery, Duke University Medical Center, Durham, North Carolina 27710, USA. ; 1] Preston Robert Tisch Brain Tumor Center, Duke University Medical Center, Durham, North Carolina 27710, USA [2] Division of Neurosurgery, Department of Surgery, Duke University Medical Center, Durham, North Carolina 27710, USA. ; Department of Biostatistics and Bioinformatics, Duke University Medical Center, Durham, North Carolina 27710, USA. ; 1] Preston Robert Tisch Brain Tumor Center, Duke University Medical Center, Durham, North Carolina 27710, USA [2] Department of Pathology, Duke University Medical Center, Durham, North Carolina 27710, USA. ; 1] Preston Robert Tisch Brain Tumor Center, Duke University Medical Center, Durham, North Carolina 27710, USA [2] Division of Neurosurgery, Department of Surgery, Duke University Medical Center, Durham, North Carolina 27710, USA [3] Department of Pathology, Duke University Medical Center, Durham, North Carolina 27710, USA [4] Department of Immunology, Duke University Medical Center, Durham, North Carolina 27710, USA [5] Department of Radiation Oncology, Duke University Medical Center, Durham, North Carolina 27710, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25762141" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antigens, Neoplasm/immunology ; CD4-Positive T-Lymphocytes/drug effects/immunology ; Cancer Vaccines/administration & dosage/*immunology/therapeutic use ; Cell Movement/drug effects ; Chemokine CCL3/*immunology ; Dendritic Cells/cytology/*drug effects/immunology ; Female ; Glioblastoma/drug therapy/*immunology/pathology/*therapy ; Humans ; Immunotherapy/methods ; Lymph Nodes/cytology/drug effects/immunology ; Mice ; Mice, Inbred C57BL ; Phosphoproteins/chemistry/genetics/immunology ; Substrate Specificity ; Survival Rate ; Tetanus Toxoid/*administration & dosage/*pharmacology/therapeutic use ; Treatment Outcome ; Viral Matrix Proteins/chemistry/genetics/immunology
    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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  • 3
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    C/EBP transcription factors mediate epicardial activation during heart development and injury (2012)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2012-11-20
    Description: The epicardium encapsulates the heart and functions as a source of multipotent progenitor cells and paracrine factors essential for cardiac development and repair. Injury of the adult heart results in reactivation of a developmental gene program in the epicardium, but the transcriptional basis of epicardial gene expression has not been delineated. We established a mouse embryonic heart organ culture and gene expression system that facilitated the identification of epicardial enhancers activated during heart development and injury. Epicardial activation of these enhancers depends on a combinatorial transcriptional code centered on CCAAT/enhancer binding protein (C/EBP) transcription factors. Disruption of C/EBP signaling in the adult epicardium reduced injury-induced neutrophil infiltration and improved cardiac function. These findings reveal a transcriptional basis for epicardial activation and heart injury, providing a platform for enhancing cardiac regeneration.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3613149/" 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/PMC3613149/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Huang, Guo N -- Thatcher, Jeffrey E -- McAnally, John -- Kong, Yongli -- Qi, Xiaoxia -- Tan, Wei -- DiMaio, J Michael -- Amatruda, James F -- Gerard, Robert D -- Hill, Joseph A -- Bassel-Duby, Rhonda -- Olson, Eric N -- 1K99HL114738/HL/NHLBI NIH HHS/ -- HL100401-01/HL/NHLBI NIH HHS/ -- K99 HL114738/HL/NHLBI NIH HHS/ -- R01 HL077439/HL/NHLBI NIH HHS/ -- R01 HL093039/HL/NHLBI NIH HHS/ -- R01 HL111665/HL/NHLBI NIH HHS/ -- U01 HL100401/HL/NHLBI NIH HHS/ -- New York, N.Y. -- Science. 2012 Dec 21;338(6114):1599-603. doi: 10.1126/science.1229765. Epub 2012 Nov 15.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Molecular Biology, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23160954" target="_blank"〉PubMed〈/a〉
    Keywords: Aldehyde Oxidoreductases/genetics/metabolism ; Animals ; Binding Sites ; CCAAT-Enhancer-Binding Protein-beta/genetics/metabolism ; CCAAT-Enhancer-Binding Protein-delta/genetics/metabolism ; CCAAT-Enhancer-Binding Proteins/genetics/*metabolism ; Enhancer Elements, Genetic ; Female ; *Gene Expression Regulation ; Gene Expression Regulation, Developmental ; Heart/embryology/*physiopathology ; Male ; Mice ; Mice, Transgenic ; Models, Genetic ; Myocardial Contraction ; Myocardial Infarction/*genetics/metabolism ; Myocardial Reperfusion Injury/*genetics/metabolism ; Neutrophil Infiltration ; Oligonucleotide Array Sequence Analysis ; Organ Culture Techniques ; Pericardium/cytology/*embryology/*metabolism ; Signal Transduction ; Uroplakin III/genetics/metabolism ; Ventricular Remodeling ; WT1 Proteins/genetics/metabolism
    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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