Research Topics
Genomes and Genes | Michael N SackSummaryAffiliation: National Institutes of Health Country: USA Publications
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Publications
The role of SIRT3 in mitochondrial homeostasis and cardiac adaptation to hypertrophy and agingMichael N Sack
Center for Molecular Medicine, NHLBI, NIH, Bethesda, MD 20892 1454, USA
J Mol Cell Cardiol 52:520-5. 2012..This article is part of a Special Section entitled "Post-translational Modification."..
The role of sirtuins in modulating redox stressorsBradley R Webster
Center for Molecular Medicine, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD 20892, USA
Free Radic Biol Med 52:281-90. 2012..Here we investigate the links between sirtuins and their oxidative/redox environment and review the control mechanisms that are regulated by the activity of sirtuin deacetylase proteins...
Identification of a molecular component of the mitochondrial acetyltransferase programme: a novel role for GCN5L1Iain Scott
Center for Molecular Medicine, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD 20892 1454, USA
Biochem J 443:655-61. 2012..The results of the present study identify GCN5L1 as a critical prokaryote-derived component of the mitochondrial acetyltransferase programme...
Emerging characterization of the role of SIRT3-mediated mitochondrial protein deacetylation in the heartMichael N Sack
Center for Molecular Medicine, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland, USA
Am J Physiol Heart Circ Physiol 301:H2191-7. 2011..As therapeutic modulators of other SIRT isoforms have been identified, the longer-term objective of our understanding of this biology would be to identify SIRT3 modulators as putative cardiac therapeutic agents...
SIRT3-dependent deacetylation exacerbates acetaminophen hepatotoxicityZhongping Lu
Center for Molecular Medicine, NHLBI, National Institutes of Health, Building 10 CRC, Room 5 3150, 10 Center Drive, Bethesda, Maryland 20892, USA
EMBO Rep 12:840-6. 2011..Thus, protein deacetylation enhances xenobiotic liver injury by modulating the binding of a toxic metabolite to mitochondrial proteins...
SIRT3 is regulated by nutrient excess and modulates hepatic susceptibility to lipotoxicityJianjun Bao
Translational Medicine Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD 20892, USA
Free Radic Biol Med 49:1230-7. 2010..This SIRT3-dependent lipotoxic susceptibility is possibly modulated, in part, by SIRT3-mediated control of electron transfer chain flux...
Protein deacetylation by sirtuins: delineating a post-translational regulatory program responsive to nutrient and redox stressorsJianjun Bao
Translational Medicine Branch, National Heart Lung and Blood Institute, NIH, 10 Center Drive, MSC 1454, Bethesda, MD 20892 1454, USA
Cell Mol Life Sci 67:3073-87. 2010..We review the sirtuin family proteins, discuss their functional effects on target proteins, and postulate on potential biological programs and disease processes that may be modified by sirtuin-mediated deacetylation of target proteins...
Cysteine 203 of cyclophilin D is critical for cyclophilin D activation of the mitochondrial permeability transition poreTiffany T Nguyen
Systems Biology Center, NHLBI, National Institutes of Health, Bethesda, Maryland 20892, USA
J Biol Chem 286:40184-92. 2011..Our results indicate that the Cys-203 residue of CypD is necessary for redox stress-induced activation of mPTP...
Parkin in the regulation of fat uptake and mitochondrial biology: emerging links in the pathophysiology of Parkinson's diseaseKye Young Kim
Center for Molecular Medicine, National Heart, Lung, and Blood Institute, Bethesda, Maryland, USA
Curr Opin Lipidol 23:201-5. 2012....
Parkin is a lipid-responsive regulator of fat uptake in mice and mutant human cellsKye Young Kim
Center for Molecular Medicine, NHLBI, 10 Center Drive, Bethesda, Maryland, 20892 1454, USA
J Clin Invest 121:3701-12. 2011..Whether this metabolic regulation contributes to premature Parkinsonism warrants investigation...
Caloric excess or restriction mediated modulation of metabolic enzyme acetylation-proposed effects on cardiac growth and functionMichael N Sack
Translational Medicine Branch, NHLBI, NIH, Bld 10 CRC, Room 5 3150, 10 Center Drive, Bethesda, MD, 20892 1454, USA
Biochim Biophys Acta 1813:1279-85. 2011..Areas of investigation that need to be explored are highlighted. This article is part of a Special Issue entitled: Mitochondria and Cardioprotection...
Wnt signaling regulates hepatic metabolismHongjun Liu
Center for Molecular Medicine, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD 20892, USA
Sci Signal 4:ra6. 2011..These observations implicate Wnt signaling in the modulation of hepatic metabolism and raise the possibility that Wnt signaling may play a similar role in the metabolic regulation of other tissues...
The role of comorbidities in cardioprotectionMichael N Sack
Center for Molecular Medicine, NHLBI, NIH, Bethesda, MD, USA
J Cardiovasc Pharmacol Ther 16:267-72. 2011..It is important to understand at a mechanistic level the reasons for these differences. The effects of sex and diseases need to be considered in design of cardioprotective interventions in animal studies and clinical trials...
Mitochondrial reactive oxygen species promote production of proinflammatory cytokines and are elevated in TNFR1-associated periodic syndrome (TRAPS)Ariel C Bulua
Immunoregulation Section, Autoimmunity Branch, National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutesof Health, Bethesda, MD 20892, USA
J Exp Med 208:519-33. 2011..These findings suggest that mitochondrial ROS may be a novel therapeutic target for TRAPS and other inflammatory diseases...
Characterization of the murine SIRT3 mitochondrial localization sequence and comparison of mitochondrial enrichment and deacetylase activity of long and short SIRT3 isoformsJianjun Bao
Translational Medicine Branch, NHLBI, NIH, Bethesda, Maryland, USA
J Cell Biochem 110:238-47. 2010..This overexpression effect, may partially account for previously observed divergent phenotypes attributed to SIRT3...
The emerging characterization of lysine residue deacetylation on the modulation of mitochondrial function and cardiovascular biologyZhongping Lu
Translational Medicine Branch, National Heart, Lung, and Blood Institute, Bethesda, MD, USA
Circ Res 105:830-41. 2009..This review will introduce the role of nonhistone protein lysine residue acetyl modifications, discuss their regulation and biochemistry and present the direct and indirect data implicating their involvement in the heart and vasculature...
Transient upregulation of PGC-1alpha diminishes cardiac ischemia tolerance via upregulation of ANT1Edward G Lynn
Translational Medicine Branch, NHLBI, NIH, Bethesda, MD 20892 1454, USA
J Mol Cell Cardiol 49:693-8. 2010..These adverse phenotypes appear to be mediated, in part, by PGC-1alpha induced upregulation of ANT1...
