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  • 1
    Publication Date: 1999-09-18
    Description: Mutations in APC or beta-catenin inappropriately activate the transcription factor Tcf4, thereby transforming intestinal epithelial cells. Here it is shown that one of the target genes of Tcf4 in epithelial cells is Tcf1. The most abundant Tcf1 isoforms lack a beta-catenin interaction domain. Tcf1(-/-) mice develop adenomas in the gut and mammary glands. Introduction of a mutant APC allele into these mice substantially increases the number of these adenomas. Tcf1 may act as a feedback repressor of beta-catenin-Tcf4 target genes and thus may cooperate with APC to suppress malignant transformation of epithelial cells.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Roose, J -- Huls, G -- van Beest, M -- Moerer, P -- van der Horn, K -- Goldschmeding, R -- Logtenberg, T -- Clevers, H -- New York, N.Y. -- Science. 1999 Sep 17;285(5435):1923-6.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Immunology and Center for Biomedical Genetics, Department of Pathology, University Medical Center Utrecht, Post Office Box 85500, 3508 GA Utrecht, Netherlands.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10489374" target="_blank"〉PubMed〈/a〉
    Keywords: Adenoma/genetics/metabolism/pathology ; Adenomatous Polyposis Coli Protein ; Animals ; Cytoskeletal Proteins/*metabolism ; DNA-Binding Proteins/*genetics/metabolism ; Female ; Gene Expression Regulation, Neoplastic ; Genes, Tumor Suppressor ; Hepatocyte Nuclear Factor 1-alpha ; Humans ; Intestinal Neoplasms/genetics/metabolism/pathology ; Lymphoid Enhancer-Binding Factor 1 ; Male ; Mammary Neoplasms, Experimental/genetics/metabolism/pathology ; Mice ; Neoplasm Proteins/metabolism ; Promoter Regions, Genetic ; T Cell Transcription Factor 1 ; TCF Transcription Factors ; *Trans-Activators ; Transcription Factor 7-Like 2 Protein ; Transcription Factors/*genetics/*metabolism ; Transfection ; Tumor Cells, Cultured ; beta Catenin
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 2
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    American Association for the Advancement of Science (AAAS)
    Publication Date: 1997-10-23
    Description: Most aging individuals die from atherosclerosis, cancer, or dementia; but in the oldest old, loss of muscle strength resulting in frailty is the limiting factor for an individual's chances of living an independent life until death. Three hormonal systems show decreasing circulating hormone concentrations during normal aging: (i) estrogen (in menopause) and testosterone (in andropause), (ii) dehydroepiandrosterone and its sulphate (in adrenopause), and (iii) the growth hormone/insulin-like growth factor I axis (in somatopause). Physical changes during aging have been considered physiologic, but there is evidence that some of these changes are related to this decline in hormonal activity. Hormone replacement strategies have been developed, but many of their aspects remain controversial, and increasing blood hormone levels in aging individuals to those found during mid-adult life has not been uniformly proven to be safe and of benefit.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lamberts, S W -- van den Beld, A W -- van der Lely, A J -- New York, N.Y. -- Science. 1997 Oct 17;278(5337):419-24.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Medicine, Erasmus University, Rotterdam, Netherlands. lamberts@inw3.azr.nl〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9334293" target="_blank"〉PubMed〈/a〉
    Keywords: Adrenal Glands/physiology ; Aged ; Aged, 80 and over ; Aging/*physiology ; Animals ; Climacteric/physiology ; Dehydroepiandrosterone/blood/therapeutic use ; Endocrine Glands/*physiology ; Estrogen Replacement Therapy ; Female ; Frail Elderly ; Human Growth Hormone/secretion/therapeutic use ; Humans ; Male ; Menopause/physiology ; Pituitary Gland/physiology ; Testosterone/blood/therapeutic use
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 3
    Publication Date: 1998-01-31
    Description: The cerebral cortex of Alzheimer's and Down syndrome patients is characterized by the presence of protein deposits in neurofibrillary tangles, neuritic plaques, and neuropil threads. These structures were shown to contain forms of beta amyloid precursor protein and ubiquitin-B that are aberrant (+1 proteins) in the carboxyl terminus. The +1 proteins were not found in young control patients, whereas the presence of ubiquitin-B+1 in elderly control patients may indicate early stages of neurodegeneration. The two species of +1 proteins displayed cellular colocalization, suggesting a common origin, operating at the transcriptional level or by posttranscriptional editing of RNA. This type of transcript mutation is likely an important factor in the widely occurring nonfamilial early- and late-onset forms of Alzheimer's disease.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉van Leeuwen, F W -- de Kleijn, D P -- van den Hurk, H H -- Neubauer, A -- Sonnemans, M A -- Sluijs, J A -- Koycu, S -- Ramdjielal, R D -- Salehi, A -- Martens, G J -- Grosveld, F G -- Peter, J -- Burbach, H -- Hol, E M -- New York, N.Y. -- Science. 1998 Jan 9;279(5348):242-7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Graduate School for Neurosciences Amsterdam, Netherlands Institute for Brain Research, 1105 AZ Amsterdam, The Netherlands. f.van.leeuwen@nih.knaw.nl〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9422699" target="_blank"〉PubMed〈/a〉
    Keywords: Aged ; Aging/genetics ; Alzheimer Disease/*genetics/metabolism/pathology ; Amino Acid Sequence ; Amyloid beta-Protein Precursor/analysis/chemistry/*genetics ; Base Sequence ; *Brain Chemistry ; Cerebral Cortex/chemistry/pathology ; Cloning, Molecular ; Down Syndrome/*genetics/metabolism/pathology ; Female ; *Frameshift Mutation ; Hippocampus/chemistry/pathology ; Humans ; Male ; Molecular Sequence Data ; Neurites/chemistry ; Neurofibrillary Tangles/chemistry ; Neuropil/chemistry ; Polymerase Chain Reaction ; RNA Editing ; Repetitive Sequences, Nucleic Acid ; Sequence Deletion ; Transcription, Genetic ; Ubiquitins/analysis/chemistry/*genetics/metabolism
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 4
    Publication Date: 1999-09-08
    Description: A fundamental question about human memory is which brain structures are involved, and when, in transforming experiences into memories. This experiment sought to identify neural correlates of memory formation with the use of intracerebral electrodes implanted in the brains of patients with temporal lobe epilepsy. Event-related potentials (ERPs) were recorded directly from the medial temporal lobe (MTL) as the patients studied single words. ERPs elicited by words subsequently recalled in a memory test were contrasted with ERPs elicited by unrecalled words. Memory formation was associated with distinct but interrelated ERP differences within the rhinal cortex and the hippocampus, which arose after about 300 and 500 milliseconds, respectively. These findings suggest that declarative memory formation is dissociable into subprocesses and sequentially organized within the MTL.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fernandez, G -- Effern, A -- Grunwald, T -- Pezer, N -- Lehnertz, K -- Dumpelmann, M -- Van Roost, D -- Elger, C E -- New York, N.Y. -- Science. 1999 Sep 3;285(5433):1582-5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Epileptology, University of Bonn, 53105 Bonn, Germany. gf@mailer.meb.uni-bonn.de〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10477525" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Analysis of Variance ; Brain Mapping ; Electrodes, Implanted ; Epilepsy, Temporal Lobe/physiopathology ; Evoked Potentials ; Female ; Hippocampus/*physiology ; Humans ; Magnetic Resonance Imaging ; Male ; Memory/*physiology ; Mental Recall/*physiology ; Middle Aged ; Neurons/physiology ; Temporal Lobe/*physiology ; Time Factors
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 5
    Publication Date: 2008-11-21
    Description: The kidney has an important role in the regulation of acid-base homeostasis. Renal ammonium production and excretion are essential for net acid excretion under basal conditions and during metabolic acidosis. Ammonium is secreted into the urine by the collecting duct, a distal nephron segment where ammonium transport is believed to occur by non-ionic NH(3) diffusion coupled to H(+) secretion. Here we show that this process is largely dependent on the Rhesus factor Rhcg. Mice lacking Rhcg have abnormal urinary acidification due to impaired ammonium excretion on acid loading-a feature of distal renal tubular acidosis. In vitro microperfused collecting ducts of Rhcg(-/-) acid-loaded mice show reduced apical permeability to NH(3) and impaired transepithelial NH(3) transport. Furthermore, Rhcg is localized in epididymal epithelial cells and is required for normal fertility and epididymal fluid pH. We anticipate a critical role for Rhcg in ammonium handling and pH homeostasis both in the kidney and the male reproductive tract.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Biver, Sophie -- Belge, Hendrica -- Bourgeois, Soline -- Van Vooren, Pascale -- Nowik, Marta -- Scohy, Sophie -- Houillier, Pascal -- Szpirer, Josiane -- Szpirer, Claude -- Wagner, Carsten A -- Devuyst, Olivier -- Marini, Anna Maria -- England -- Nature. 2008 Nov 20;456(7220):339-43. doi: 10.1038/nature07518.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Universite Libre de Bruxelles (U.L.B.), Institut de Biologie et de Medecine Moleculaires, Laboratoire de Biologie du Developpement, Gosselies, Belgium.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19020613" target="_blank"〉PubMed〈/a〉
    Keywords: Acidosis/physiopathology ; Acids/metabolism ; Animals ; Biological Transport ; Body Fluids ; Cation Transport Proteins/deficiency/genetics/*metabolism ; Epithelial Cells/metabolism ; Fertility/*physiology ; Gene Deletion ; Genitalia, Male/cytology/metabolism ; Homeostasis ; Hydrogen-Ion Concentration ; Kidney/*physiology ; Kidney Tubules, Collecting/physiology ; Kidney Tubules, Distal/physiology ; Male ; Membrane Glycoproteins/deficiency/genetics/*metabolism ; Mice ; Permeability ; Quaternary Ammonium Compounds/*urine ; Stress, Physiological ; Weight Loss
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 6
    Publication Date: 2008-10-04
    Description: Human immunodeficiency virus type 1 (HIV-1) sequences that pre-date the recognition of AIDS are critical to defining the time of origin and the timescale of virus evolution. A viral sequence from 1959 (ZR59) is the oldest known HIV-1 infection. Other historically documented sequences, important calibration points to convert evolutionary distance into time, are lacking, however; ZR59 is the only one sampled before 1976. Here we report the amplification and characterization of viral sequences from a Bouin's-fixed paraffin-embedded lymph node biopsy specimen obtained in 1960 from an adult female in Leopoldville, Belgian Congo (now Kinshasa, Democratic Republic of the Congo (DRC)), and we use them to conduct the first comparative evolutionary genetic study of early pre-AIDS epidemic HIV-1 group M viruses. Phylogenetic analyses position this viral sequence (DRC60) closest to the ancestral node of subtype A (excluding A2). Relaxed molecular clock analyses incorporating DRC60 and ZR59 date the most recent common ancestor of the M group to near the beginning of the twentieth century. The sizeable genetic distance between DRC60 and ZR59 directly demonstrates that diversification of HIV-1 in west-central Africa occurred long before the recognized AIDS pandemic. The recovery of viral gene sequences from decades-old paraffin-embedded tissues opens the door to a detailed palaeovirological investigation of the evolutionary history of HIV-1 that is not accessible by other methods.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3682493/" 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/PMC3682493/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Worobey, Michael -- Gemmel, Marlea -- Teuwen, Dirk E -- Haselkorn, Tamara -- Kunstman, Kevin -- Bunce, Michael -- Muyembe, Jean-Jacques -- Kabongo, Jean-Marie M -- Kalengayi, Raphael M -- Van Marck, Eric -- Gilbert, M Thomas P -- Wolinsky, Steven M -- R21 AI065371/AI/NIAID NIH HHS/ -- England -- Nature. 2008 Oct 2;455(7213):661-4. doi: 10.1038/nature07390.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Ecology and Evolutionary Biology, University of Arizona, Tucson, Arizona 85721, USA. worobey@email.arizona.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18833279" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Canada ; Democratic Republic of the Congo/epidemiology ; *Evolution, Molecular ; Female ; Genetic Variation/*genetics ; HIV Infections/*epidemiology/pathology/*virology ; HIV-1/classification/*genetics/*isolation & purification ; History, 20th Century ; Humans ; Male ; Microtomy ; Molecular Sequence Data ; Paraffin Embedding ; Phylogeny ; Reverse Transcriptase Polymerase Chain Reaction ; Sequence Analysis, DNA
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 7
    Publication Date: 2008-04-04
    Description: Smoking is a leading cause of preventable death, causing about 5 million premature deaths worldwide each year. Evidence for genetic influence on smoking behaviour and nicotine dependence (ND) has prompted a search for susceptibility genes. Furthermore, assessing the impact of sequence variants on smoking-related diseases is important to public health. Smoking is the major risk factor for lung cancer (LC) and is one of the main risk factors for peripheral arterial disease (PAD). Here we identify a common variant in the nicotinic acetylcholine receptor gene cluster on chromosome 15q24 with an effect on smoking quantity, ND and the risk of two smoking-related diseases in populations of European descent. The variant has an effect on the number of cigarettes smoked per day in our sample of smokers. The same variant was associated with ND in a previous genome-wide association study that used low-quantity smokers as controls, and with a similar approach we observe a highly significant association with ND. A comparison of cases of LC and PAD with population controls each showed that the variant confers risk of LC and PAD. The findings provide a case study of a gene-environment interaction, highlighting the role of nicotine addiction in the pathology of other serious diseases.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4539558/" 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/PMC4539558/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Thorgeirsson, Thorgeir E -- Geller, Frank -- Sulem, Patrick -- Rafnar, Thorunn -- Wiste, Anna -- Magnusson, Kristinn P -- Manolescu, Andrei -- Thorleifsson, Gudmar -- Stefansson, Hreinn -- Ingason, Andres -- Stacey, Simon N -- Bergthorsson, Jon T -- Thorlacius, Steinunn -- Gudmundsson, Julius -- Jonsson, Thorlakur -- Jakobsdottir, Margret -- Saemundsdottir, Jona -- Olafsdottir, Olof -- Gudmundsson, Larus J -- Bjornsdottir, Gyda -- Kristjansson, Kristleifur -- Skuladottir, Halla -- Isaksson, Helgi J -- Gudbjartsson, Tomas -- Jones, Gregory T -- Mueller, Thomas -- Gottsater, Anders -- Flex, Andrea -- Aben, Katja K H -- de Vegt, Femmie -- Mulders, Peter F A -- Isla, Dolores -- Vidal, Maria J -- Asin, Laura -- Saez, Berta -- Murillo, Laura -- Blondal, Thorsteinn -- Kolbeinsson, Halldor -- Stefansson, Jon G -- Hansdottir, Ingunn -- Runarsdottir, Valgerdur -- Pola, Roberto -- Lindblad, Bengt -- van Rij, Andre M -- Dieplinger, Benjamin -- Haltmayer, Meinhard -- Mayordomo, Jose I -- Kiemeney, Lambertus A -- Matthiasson, Stefan E -- Oskarsson, Hogni -- Tyrfingsson, Thorarinn -- Gudbjartsson, Daniel F -- Gulcher, Jeffrey R -- Jonsson, Steinn -- Thorsteinsdottir, Unnur -- Kong, Augustine -- Stefansson, Kari -- R01 DA017932/DA/NIDA NIH HHS/ -- England -- Nature. 2008 Apr 3;452(7187):638-42. doi: 10.1038/nature06846.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉deCODE Genetics, 101 Reykjavik, Iceland. thorgeir@decode.is〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18385739" target="_blank"〉PubMed〈/a〉
    Keywords: Chromosomes, Human, Pair 15/*genetics ; Europe ; Female ; Genetic Predisposition to Disease/*genetics ; Genotype ; Humans ; Lung Neoplasms/*genetics ; Male ; Multigene Family/genetics ; New Zealand ; Odds Ratio ; Peripheral Vascular Diseases/*genetics ; Polymorphism, Single Nucleotide/*genetics ; Receptors, Nicotinic/*genetics ; Smoking/adverse effects/genetics ; Tobacco Use Disorder/*genetics
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
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  • 8
    Publication Date: 2008-07-11
    Description: In their investigation into whether female mate-choice drives male dispersal, Honer et al. argue that female spotted hyaenas (Crocuta crocuta) prefer mates whose tenure in the social group is less than the females' age, to avoid paternal incest, and suggest that male dispersal reflects this preference. However, we are not persuaded that females choose mates on the basis of tenure because Honer et al. overlook the alternative hypothesis that dispersal status itself is important in female mate-choice, such that females prefer immigrants over natal males. Like mate-choice based on tenure, choice based on dispersal status reduces the risk of incest.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Van Horn, Russell C -- Watts, Heather E -- Holekamp, Kay E -- England -- Nature. 2008 Jul 10;454(7201):E1; discussion E2. doi: 10.1038/nature07122.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Zoological Society of San Diego, Conservation and Research for Endangered Species, P.O. Box 120551, San Diego, California 92112-0551, USA. rvanhorn@sandiegozoo.org〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18615020" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Female ; Hyaenidae/*physiology ; Inbreeding ; Male ; Mating Preference, Animal/*physiology ; Reproducibility of Results ; Social Behavior ; Time Factors
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 9
    Publication Date: 2008-10-04
    Description: Theoretically, divergent selection on sensory systems can cause speciation through sensory drive. However, empirical evidence is rare and incomplete. Here we demonstrate sensory drive speciation within island populations of cichlid fish. We identify the ecological and molecular basis of divergent evolution in the cichlid visual system, demonstrate associated divergence in male colouration and female preferences, and show subsequent differentiation at neutral loci, indicating reproductive isolation. Evidence is replicated in several pairs of sympatric populations and species. Variation in the slope of the environmental gradients explains variation in the progress towards speciation: speciation occurs on all but the steepest gradients. This is the most complete demonstration so far of speciation through sensory drive without geographical isolation. Our results also provide a mechanistic explanation for the collapse of cichlid fish species diversity during the anthropogenic eutrophication of Lake Victoria.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Seehausen, Ole -- Terai, Yohey -- Magalhaes, Isabel S -- Carleton, Karen L -- Mrosso, Hillary D J -- Miyagi, Ryutaro -- van der Sluijs, Inke -- Schneider, Maria V -- Maan, Martine E -- Tachida, Hidenori -- Imai, Hiroo -- Okada, Norihiro -- England -- Nature. 2008 Oct 2;455(7213):620-6. doi: 10.1038/nature07285.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute of Zoology, University of Bern, Baltzerstr. 6, CH-3012 Bern, Switzerland. ole.seehausen@aqua.unibe.ch〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18833272" target="_blank"〉PubMed〈/a〉
    Keywords: Africa, Eastern ; Alleles ; Animals ; Biodiversity ; Cichlids/*genetics/*physiology ; Color ; Eutrophication ; Female ; Fish Proteins/genetics/metabolism ; Fresh Water ; Gene Flow ; *Genetic Speciation ; Geography ; Male ; Mating Preference, Animal/*physiology ; Phenotype ; Pigmentation/genetics/*physiology ; Reproduction/physiology ; Rod Opsins/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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  • 10
    Publication Date: 2009-05-01
    Description: Mice deficient in the Polycomb repressor Bmi1 develop numerous abnormalities including a severe defect in stem cell self-renewal, alterations in thymocyte maturation and a shortened lifespan. Previous work has implicated de-repression of the Ink4a/Arf (also known as Cdkn2a) locus as mediating many of the aspects of the Bmi1(-/-) phenotype. Here we demonstrate that cells derived from Bmi1(-/-) mice also have impaired mitochondrial function, a marked increase in the intracellular levels of reactive oxygen species and subsequent engagement of the DNA damage response pathway. Furthermore, many of the deficiencies normally observed in Bmi1(-/-) mice improve after either pharmacological treatment with the antioxidant N-acetylcysteine or genetic disruption of the DNA damage response pathway by Chk2 (also known as Chek2) deletion. These results demonstrate that Bmi1 has an unexpected role in maintaining mitochondrial function and redox homeostasis and indicate that the Polycomb family of proteins can coordinately regulate cellular metabolism with stem and progenitor cell function.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4721521/" 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/PMC4721521/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Liu, Jie -- Cao, Liu -- Chen, Jichun -- Song, Shiwei -- Lee, In Hye -- Quijano, Celia -- Liu, Hongjun -- Keyvanfar, Keyvan -- Chen, Haoqian -- Cao, Long-Yue -- Ahn, Bong-Hyun -- Kumar, Neil G -- Rovira, Ilsa I -- Xu, Xiao-Ling -- van Lohuizen, Maarten -- Motoyama, Noboru -- Deng, Chu-Xia -- Finkel, Toren -- R00 AG032356/AG/NIA NIH HHS/ -- Z01 HL005012-11/Intramural NIH HHS/ -- Howard Hughes Medical Institute/ -- England -- Nature. 2009 May 21;459(7245):387-92. doi: 10.1038/nature08040. Epub 2009 Apr 29.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Translational Medicine Branch, National Heart Lung and Blood Institute, National Institutes of Health, Bethesda, Maryland 20892, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19404261" target="_blank"〉PubMed〈/a〉
    Keywords: Acetylcysteine/pharmacology ; Animals ; Antioxidants/pharmacology ; Checkpoint Kinase 2 ; *DNA Damage/genetics ; Female ; Male ; Mice ; Mitochondria/*metabolism ; Nuclear Proteins/deficiency/genetics/*metabolism ; Oxidation-Reduction/drug effects ; Polycomb Repressive Complex 1 ; Protein-Serine-Threonine Kinases/deficiency/genetics ; Proto-Oncogene Proteins/deficiency/genetics/*metabolism ; Reactive Oxygen Species/metabolism ; Repressor Proteins/genetics/*metabolism ; Stem Cells/cytology/drug effects/metabolism ; Thymus Gland/cytology/drug effects
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    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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