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  • 1
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    miR-31/FIH-1 in keratinocyte differentiation [Cell Biology] (2012)
    National Academy of Sciences
    Details
    Publication Date: 2012-08-29
    Description: Notch plays a critical role in the transition from proliferation to differentiation in the epidermis and corneal epithelium. Furthermore, aberrant Notch signaling is a feature of diseases like psoriasis, eczema, nonmelanoma skin cancer, and melanoma where differentiation and proliferation are impaired. Whereas much is known about the downstream events following...
    Print ISSN: 0027-8424
    Electronic ISSN: 1091-6490
    Topics: Biology , Medicine , Natural Sciences in General
    Published by National Academy of Sciences
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  • 2
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    Circadian clock NAD+ cycle drives mitochondrial oxidative metabolism in mice (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-09-21
    Description: Circadian clocks are self-sustained cellular oscillators that synchronize oxidative and reductive cycles in anticipation of the solar cycle. We found that the clock transcription feedback loop produces cycles of nicotinamide adenine dinucleotide (NAD(+)) biosynthesis, adenosine triphosphate production, and mitochondrial respiration through modulation of mitochondrial protein acetylation to synchronize oxidative metabolic pathways with the 24-hour fasting and feeding cycle. Circadian control of the activity of the NAD(+)-dependent deacetylase sirtuin 3 (SIRT3) generated rhythms in the acetylation and activity of oxidative enzymes and respiration in isolated mitochondria, and NAD(+) supplementation restored protein deacetylation and enhanced oxygen consumption in circadian mutant mice. Thus, circadian control of NAD(+) bioavailability modulates mitochondrial oxidative function and organismal metabolism across the daily cycles of fasting and feeding.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3963134/" 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/PMC3963134/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Peek, Clara Bien -- Affinati, Alison H -- Ramsey, Kathryn Moynihan -- Kuo, Hsin-Yu -- Yu, Wei -- Sena, Laura A -- Ilkayeva, Olga -- Marcheva, Biliana -- Kobayashi, Yumiko -- Omura, Chiaki -- Levine, Daniel C -- Bacsik, David J -- Gius, David -- Newgard, Christopher B -- Goetzman, Eric -- Chandel, Navdeep S -- Denu, John M -- Mrksich, Milan -- Bass, Joseph -- 5P01HL071643-10/HL/NHLBI NIH HHS/ -- 5P30AR057216-05/AR/NIAMS NIH HHS/ -- F30 DK085936/DK/NIDDK NIH HHS/ -- F30 ES019815/ES/NIEHS NIH HHS/ -- F32 DK092034/DK/NIDDK NIH HHS/ -- P01 AG011412/AG/NIA NIH HHS/ -- P01AG011412-16/AG/NIA NIH HHS/ -- P01DK58398/DK/NIDDK NIH HHS/ -- P30 CA014520/CA/NCI NIH HHS/ -- R01 AG038679/AG/NIA NIH HHS/ -- R01 CA152601-01/CA/NCI NIH HHS/ -- R01 CA152799-01A1/CA/NCI NIH HHS/ -- R01 CA16383801A1/CA/NCI NIH HHS/ -- R01 CA168292/CA/NCI NIH HHS/ -- R01 CA168292-01A1/CA/NCI NIH HHS/ -- R01 DK090242/DK/NIDDK NIH HHS/ -- R01 DK090625/DK/NIDDK NIH HHS/ -- R01 GM065386/GM/NIGMS NIH HHS/ -- R01 HL097817/HL/NHLBI NIH HHS/ -- R01DK090242-03/DK/NIDDK NIH HHS/ -- R01DK090625-01A1/DK/NIDDK NIH HHS/ -- R01HL097817-01/HL/NHLBI NIH HHS/ -- R37 GM059785/GM/NIGMS NIH HHS/ -- T32 DK007169/DK/NIDDK NIH HHS/ -- T32 GM008152/GM/NIGMS NIH HHS/ -- T32 HL007909/HL/NHLBI NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2013 Nov 1;342(6158):1243417. doi: 10.1126/science.1243417. Epub 2013 Sep 19.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Medicine, Division of Endocrinology, Metabolism and Molecular Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL 60611, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24051248" target="_blank"〉PubMed〈/a〉
    Keywords: ARNTL Transcription Factors/genetics/metabolism ; Acetylation ; Animals ; Circadian Clocks/genetics/*physiology ; *Energy Metabolism ; Fasting ; Lipid Metabolism ; Liver/metabolism ; Mice ; Mice, Knockout ; Mitochondria, Liver/*metabolism ; NAD/*metabolism ; Oxidation-Reduction ; Oxygen Consumption ; Sirtuin 3/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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  • 3
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    Reductive carboxylation supports growth in tumour cells with defective mitochondria (2011)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2011-11-22
    Description: Mitochondrial metabolism provides precursors to build macromolecules in growing cancer cells. In normally functioning tumour cell mitochondria, oxidative metabolism of glucose- and glutamine-derived carbon produces citrate and acetyl-coenzyme A for lipid synthesis, which is required for tumorigenesis. Yet some tumours harbour mutations in the citric acid cycle (CAC) or electron transport chain (ETC) that disable normal oxidative mitochondrial function, and it is unknown how cells from such tumours generate precursors for macromolecular synthesis. Here we show that tumour cells with defective mitochondria use glutamine-dependent reductive carboxylation rather than oxidative metabolism as the major pathway of citrate formation. This pathway uses mitochondrial and cytosolic isoforms of NADP(+)/NADPH-dependent isocitrate dehydrogenase, and subsequent metabolism of glutamine-derived citrate provides both the acetyl-coenzyme A for lipid synthesis and the four-carbon intermediates needed to produce the remaining CAC metabolites and related macromolecular precursors. This reductive, glutamine-dependent pathway is the dominant mode of metabolism in rapidly growing malignant cells containing mutations in complex I or complex III of the ETC, in patient-derived renal carcinoma cells with mutations in fumarate hydratase, and in cells with normal mitochondria subjected to acute pharmacological ETC inhibition. Our findings reveal the novel induction of a versatile glutamine-dependent pathway that reverses many of the reactions of the canonical CAC, supports tumour cell growth, and explains how cells generate pools of CAC intermediates in the face of impaired mitochondrial metabolism.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3262117/" 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/PMC3262117/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mullen, Andrew R -- Wheaton, William W -- Jin, Eunsook S -- Chen, Pei-Hsuan -- Sullivan, Lucas B -- Cheng, Tzuling -- Yang, Youfeng -- Linehan, W Marston -- Chandel, Navdeep S -- DeBerardinis, Ralph J -- 5T32GM083831/GM/NIGMS NIH HHS/ -- DK078933/DK/NIDDK NIH HHS/ -- K01 DK078933/DK/NIDDK NIH HHS/ -- K01 DK078933-03/DK/NIDDK NIH HHS/ -- K08 DK072565/DK/NIDDK NIH HHS/ -- K08 DK072565-06/DK/NIDDK NIH HHS/ -- K08DK072565/DK/NIDDK NIH HHS/ -- P41 RR002584/RR/NCRR NIH HHS/ -- P41 RR002584-22/RR/NCRR NIH HHS/ -- R01 CA123067/CA/NCI NIH HHS/ -- R01 CA123067-05/CA/NCI NIH HHS/ -- R01 CA157996/CA/NCI NIH HHS/ -- R01 CA157996-01/CA/NCI NIH HHS/ -- R01CA123067/CA/NCI NIH HHS/ -- R01CA157996/CA/NCI NIH HHS/ -- RR02584/RR/NCRR NIH HHS/ -- T32 CA009560/CA/NCI NIH HHS/ -- T32 CA009560-20/CA/NCI NIH HHS/ -- T32 GM008061/GM/NIGMS NIH HHS/ -- T32 GM008061-30/GM/NIGMS NIH HHS/ -- T32 GM083831/GM/NIGMS NIH HHS/ -- T32 GM083831-04/GM/NIGMS NIH HHS/ -- T32CA009560/CA/NCI NIH HHS/ -- T32GM008061/GM/NIGMS NIH HHS/ -- Intramural NIH HHS/ -- England -- Nature. 2011 Nov 20;481(7381):385-8. doi: 10.1038/nature10642.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pediatrics, University of Texas - Southwestern Medical Center at Dallas, Dallas, Texas 75390-9063, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22101431" target="_blank"〉PubMed〈/a〉
    Keywords: Acetyl Coenzyme A/metabolism ; Animals ; Carcinoma, Renal Cell/genetics/metabolism/pathology ; Cell Hypoxia ; Cell Line, Tumor ; Citric Acid/metabolism ; Electron Transport ; Electron Transport Complex I/metabolism ; Electron Transport Complex III/metabolism ; Fumarate Hydratase/genetics/metabolism ; Glucose/metabolism ; Glutamine/metabolism ; Humans ; Isocitrate Dehydrogenase/metabolism ; Kidney Neoplasms/genetics/metabolism/pathology ; Mice ; Mitochondria/*metabolism/*pathology ; NADP/metabolism ; Neoplasms/*metabolism/*pathology
    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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  • 4
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    AMPK regulates NADPH homeostasis to promote tumour cell survival during energy stress (2012)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2012-06-05
    Description: Overcoming metabolic stress is a critical step for solid tumour growth. However, the underlying mechanisms of cell death and survival under metabolic stress are not well understood. A key signalling pathway involved in metabolic adaptation is the liver kinase B1 (LKB1)-AMP-activated protein kinase (AMPK) pathway. Energy stress conditions that decrease intracellular ATP levels below a certain level promote AMPK activation by LKB1. Previous studies showed that LKB1-deficient or AMPK-deficient cells are resistant to oncogenic transformation and tumorigenesis, possibly because of the function of AMPK in metabolic adaptation. However, the mechanisms by which AMPK promotes metabolic adaptation in tumour cells are not fully understood. Here we show that AMPK activation, during energy stress, prolongs cell survival by redox regulation. Under these conditions, NADPH generation by the pentose phosphate pathway is impaired, but AMPK induces alternative routes to maintain NADPH and inhibit cell death. The inhibition of the acetyl-CoA carboxylases ACC1 and ACC2 by AMPK maintains NADPH levels by decreasing NADPH consumption in fatty-acid synthesis and increasing NADPH generation by means of fatty-acid oxidation. Knockdown of either ACC1 or ACC2 compensates for AMPK activation and facilitates anchorage-independent growth and solid tumour formation in vivo, whereas the activation of ACC1 or ACC2 attenuates these processes. Thus AMPK, in addition to its function in ATP homeostasis, has a key function in NADPH maintenance, which is critical for cancer cell survival under energy stress conditions, such as glucose limitations, anchorage-independent growth and solid tumour formation in vivo.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3607316/" 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/PMC3607316/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jeon, Sang-Min -- Chandel, Navdeep S -- Hay, Nissim -- AG016927/AG/NIA NIH HHS/ -- AG025953/AG/NIA NIH HHS/ -- CA090764/CA/NCI NIH HHS/ -- P60DK20595/DK/NIDDK NIH HHS/ -- R01 AG016927/AG/NIA NIH HHS/ -- R01 CA090764/CA/NCI NIH HHS/ -- England -- Nature. 2012 May 9;485(7400):661-5. doi: 10.1038/nature11066.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry and Molecular Genetics, College of Medicine, University of Illinois at Chicago, Chicago, Illinois 60607, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22660331" target="_blank"〉PubMed〈/a〉
    Keywords: AMP-Activated Protein Kinases/*metabolism ; Acetyl-CoA Carboxylase/antagonists & inhibitors/metabolism ; Animals ; CHO Cells ; Cell Death ; Cell Line, Tumor ; Cell Survival ; Cell Transformation, Neoplastic ; Contact Inhibition ; Cricetinae ; *Energy Metabolism ; Enzyme Activation ; Female ; Glucose/deficiency ; *Homeostasis ; Hydrogen Peroxide/metabolism ; Male ; Mice ; Mice, Nude ; NADP/deficiency/*metabolism ; Neoplasms/*metabolism/*pathology ; Oxidation-Reduction ; *Oxidative Stress ; Protein-Serine-Threonine Kinases/deficiency/metabolism ; Reactive Oxygen Species/metabolism
    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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  • 5
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    Cell biology. Warburg effect and redox balance (2011)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2011-12-07
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hamanaka, Robert B -- Chandel, Navdeep S -- New York, N.Y. -- Science. 2011 Dec 2;334(6060):1219-20. doi: 10.1126/science.1215637.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Pulmonary and Critical Care, Department of Medicine, Northwestern University Medical School, Chicago, IL 60611, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22144609" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antioxidants/*metabolism ; Humans ; Pyruvate Kinase/*antagonists & inhibitors ; Reactive Oxygen Species/*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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  • 6
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    CANCER. Revisiting vitamin C and cancer (2015)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2015-12-15
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Reczek, Colleen R -- Chandel, Navdeep S -- New York, N.Y. -- Science. 2015 Dec 11;350(6266):1317-8. doi: 10.1126/science.aad8671.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Medicine and Robert H. Lurie Cancer Center, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA. ; Department of Medicine and Robert H. Lurie Cancer Center, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA. nav@northwestern.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26659042" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Ascorbic Acid/*therapeutic use ; Colorectal Neoplasms/*drug therapy/*genetics ; Female ; Humans ; Proto-Oncogene Proteins/*genetics ; Proto-Oncogene Proteins B-raf/*genetics ; ras Proteins/*genetics
    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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  • 7
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    Outer mitochondrial membrane permeability can regulate coupled respiration and cell survival (2000)
    National Academy of Sciences
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    Publication Date: 2000-04-18
    Print ISSN: 0027-8424
    Electronic ISSN: 1091-6490
    Topics: Biology , Medicine , Natural Sciences in General
    Published by National Academy of Sciences
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  • 8
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    PTEN regulates p300-dependent hypoxia-inducible factor 1 transcriptional activity through Forkhead transcription factor 3a (FOXO3a) (2008)
    National Academy of Sciences
    Details
    Publication Date: 2008-02-11
    Print ISSN: 0027-8424
    Electronic ISSN: 1091-6490
    Topics: Biology , Medicine , Natural Sciences in General
    Published by National Academy of Sciences
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  • 9
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    Proapoptotic Bid is required for pulmonary fibrosis (2006)
    National Academy of Sciences
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    Publication Date: 2006-03-14
    Print ISSN: 0027-8424
    Electronic ISSN: 1091-6490
    Topics: Biology , Medicine , Natural Sciences in General
    Published by National Academy of Sciences
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  • 10
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    Mitochondrial reactive oxygen species trigger hypoxia-induced transcription (1998)
    National Academy of Sciences
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    Publication Date: 1998-09-29
    Print ISSN: 0027-8424
    Electronic ISSN: 1091-6490
    Topics: Biology , Medicine , Natural Sciences in General
    Published by National Academy of Sciences
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