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Hepatocyte-Specific Deletion of SIRT1 Alters Fatty Acid Metabolism and Results in Hepatic Steatosis and Inflammation

Purushotham, Aparna, Schug, Thaddeus T., Xu, Qing, Surapureddi, Sailesh, Guo, Xiumei, Li, Xiaoling·2009·Cell Metabolism

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Crossref · 10.1016/j.cmet.2009.02.006

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  • Sirt1 regulates plasma LDL-cholesterol.

    “These studies suggest that Sirt1 regulates plasma LDL-cholesterol.”

    From The Sirt1 activator SRT3025 provides atheroprotection in Apoe−/− mice by reducing hepatic Pcsk9 secretion and enhancing Ldlr expression (2015) · cites this paper as [7]

    The Results section reports higher liver cholesterol in SIRT1-deficient mice, and the Discussion describes altered hepatic cholesterol metabolism. Those passages support a role for SIRT1 in cholesterol metabolism, but they do not establish regulation of plasma LDL-cholesterol; the Methods mention measuring serum cholesterol, not LDL-cholesterol specifically. Page numbers are unavailable in our copy. (LLM, conf=0.82)

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  • Hepatic deletion of Sirt1 in C57BL/6 mice fed a high-cholesterol diet induced mild hypercholesterolemia.

    “Hepatic deletion of Sirt1 in C57BL/6 mice fed a high-cholesterol diet induced mild hypercholesterolemia.7”

    From The Sirt1 activator SRT3025 provides atheroprotection in Apoe−/− mice by reducing hepatic Pcsk9 secretion and enhancing Ldlr expression (2015) · cites this paper as [7]

    The Animal experiments section describes liver-specific SIRT1 knockout mice on a C57BL/6 background, and the Results describe feeding them a western diet containing cholesterol. The Results and Discussion report increased cholesterol in the liver, but do not establish the claimed mild hypercholesterolemia (elevated blood cholesterol). No page numbers are available in our copy. (LLM, conf=0.84)

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  • In primary hepatocytes from SIRT1 LKO mice, nuclear SREBP-1c levels increase when SIRT1 is absent.

    “we performed immunofluorescence studies on primary hepatocytes isolated from wild-type or SIRT1 LKO mice (Purushotham et al. 2009), and found that, similar to SREBP-1a and SREBP-2, nuclear SREBP-1c levels increased when SIRT1 was absent (Fig. 6C).”

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Citations

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Research works printed but not linked: 49

  1. Badman, 2007, Hepatic fibroblast growth factor 21 is regulated by PPARalpha and is a key mediator of hepatic lipid metabolism in ketotic states, Cell Metab., 5, 426, 10.1016/j.cmet.2007.05.002 · DOI · Paper page
  2. Banks, 2008, SirT1 Gain of function increases energy efficiency and prevents diabetes in mice, Cell Metab., 8, 333, 10.1016/j.cmet.2008.08.014 · DOI
  3. Bishop, 2007, Genetic links between diet and lifespan: shared mechanisms from yeast to humans, Nat. Rev. Genet., 8, 835, 10.1038/nrg2188 · DOI
  4. Blander, 2004, The Sir2 family of protein deacetylases, Annu. Rev. Biochem., 73, 417, 10.1146/annurev.biochem.73.011303.073651 · DOI
  5. Chawla, 2001, Nuclear receptors and lipid physiology: opening the X-files, Science (New York, N.Y.), 294, 1866, 10.1126/science.294.5548.1866 · DOI · Paper page
  6. Chen, 2008, Tissue-specific regulation of SIRT1 by calorie restriction, Genes Dev., 22, 1753, 10.1101/gad.1650608 · DOI · Paper page
  7. Cheng, 2003, Developmental defects and p53 hyperacetylation in Sir2 homolog (SIRT1)-deficient mice, Proc. Natl. Acad. Sci. USA, 100, 10794, 10.1073/pnas.1934713100 · DOI · Paper page
  8. Cohen, 2004, Calorie restriction promotes mammalian cell survival by inducing the SIRT1 deacetylase, Science (New York, N.Y.), 305, 390, 10.1126/science.1099196 · DOI · Paper page
  9. Danno, 1992, A simple enzymatic quantitative analysis of triglycerides in tissues, J. Nutr. Sci. Vitaminol. (Tokyo), 38, 517, 10.3177/jnsv.38.517 · DOI
  10. Eckel, 2005, The metabolic syndrome, Lancet, 365, 1415, 10.1016/S0140-6736(05)66378-7 · DOI
  11. Ford, 2004, Increasing prevalence of the metabolic syndrome among u.s. adults, Diabetes Care, 27, 2444, 10.2337/diacare.27.10.2444 · DOI · Paper page
  12. Frye, 2000, Phylogenetic classification of prokaryotic and eukaryotic Sir2-like proteins, Biochem. Biophys. Res. Commun., 273, 793, 10.1006/bbrc.2000.3000 · DOI · Paper page
  13. Grimaldi, 2008, Chromatin remodeling, metabolism and circadian clocks: The interplay of CLOCK and SIRT1, Int. J. Biochem. Cell Biol., 41, 81, 10.1016/j.biocel.2008.08.035 · DOI
  14. Grundy, 2004, Definition of metabolic syndrome: report of the National Heart, Lung, and Blood Institute/American Heart Association conference on scientific issues related to definition, Arterioscler. Thromb. Vasc. Biol., 24, e13, 10.1161/01.ATV.0000111245.75752.C6 · DOI
  15. Harding, 1999, Protein translation and folding are coupled by an endoplasmic-reticulum-resident kinase, Nature, 397, 271, 10.1038/16729 · DOI · Paper page
  16. Hashimoto, 2000, Defect in peroxisome proliferator-activated receptor alpha-inducible fatty acid oxidation determines the severity of hepatic steatosis in response to fasting, J. Biol. Chem., 275, 28918, 10.1074/jbc.M910350199 · DOI
  17. Hedley, 2004, Prevalence of overweight and obesity among US children, adolescents, and adults, 1999-2002, JAMA, 291, 2847, 10.1001/jama.291.23.2847 · DOI
  18. Herzig, 2001, CREB regulates hepatic gluconeogenesis through the coactivator PGC-1, Nature, 413, 179, 10.1038/35093131 · DOI · Paper page
  19. Hunt, 1999, Peroxisome proliferator-induced long chain acyl-CoA thioesterases comprise a highly conserved novel multi-gene family involved in lipid metabolism, J. Biol. Chem., 274, 34317, 10.1074/jbc.274.48.34317 · DOI
  20. Inagaki, 2007, Endocrine regulation of the fasting response by PPARalpha-mediated induction of fibroblast growth factor 21, Cell Metab., 5, 415, 10.1016/j.cmet.2007.05.003 · DOI · Paper page
  21. Kalaany, 2006, LXRS and FXR: the yin and yang of cholesterol and fat metabolism, Annu. Rev. Physiol., 68, 159, 10.1146/annurev.physiol.68.033104.152158 · DOI
  22. Kersten, 1999, Peroxisome proliferator-activated receptor alpha mediates the adaptive response to fasting, J. Clin. Invest., 103, 1489, 10.1172/JCI6223 · DOI · Paper page
  23. Kitamura, 2005, FoxO1 protects against pancreatic beta cell failure through NeuroD and MafA induction, Cell Metab., 2, 153, 10.1016/j.cmet.2005.08.004 · DOI
  24. Landry, 2000, The silencing protein SIR2 and its homologs are NAD-dependent protein deacetylases, Proc. Natl. Acad. Sci. USA, 97, 5807, 10.1073/pnas.110148297 · DOI · Paper page
  25. Li, 2007, SIRT1 deacetylates and positively regulates the nuclear receptor LXR, Mol. Cell, 28, 91, 10.1016/j.molcel.2007.07.032 · DOI
  26. Li, 2008, Genome-wide coactivation analysis of PGC-1alpha identifies BAF60a as a regulator of hepatic lipid metabolism, Cell Metab., 8, 105, 10.1016/j.cmet.2008.06.013 · DOI
  27. Liu, 2008, A fasting inducible switch modulates gluconeogenesis via activator/coactivator exchange, Nature, 456, 269, 10.1038/nature07349 · DOI · Paper page
  28. Luo, 2001, Negative control of p53 by Sir2alpha promotes cell survival under stress, Cell, 107, 137, 10.1016/S0092-8674(01)00524-4 · DOI · Paper page
  29. McBurney, 2003, The mammalian SIR2alpha protein has a role in embryogenesis and gametogenesis, Mol. Cell. Biol., 23, 38, 10.1128/MCB.23.1.38-54.2003 · DOI · Paper page
  30. Motta, 2004, Mammalian SIRT1 represses forkhead transcription factors, Cell, 116, 551, 10.1016/S0092-8674(04)00126-6 · DOI
  31. Nakahata, 2008, The NAD+-dependent deacetylase SIRT1 modulates CLOCK-mediated chromatin remodeling and circadian control, Cell, 134, 329, 10.1016/j.cell.2008.07.002 · DOI · Paper page
  32. Ozcan, 2004, Endoplasmic reticulum stress links obesity, insulin action, and type 2 diabetes, Science (New York, N.Y.), 306, 457, 10.1126/science.1103160 · DOI · Paper page
  33. Pagans, 2005, SIRT1 regulates HIV transcription via Tat deacetylation, PLoS Biol., 3, e41, 10.1371/journal.pbio.0030041 · DOI
  34. Pfluger, 2008, Sirt1 protects against high-fat diet-induced metabolic damage, Proc. Natl. Acad. Sci. USA, 105, 9793, 10.1073/pnas.0802917105 · DOI · Paper page
  35. Rakhshandehroo, 2007, Comprehensive analysis of PPARalpha-dependent regulation of hepatic lipid metabolism by expression profiling, PPAR Res., 2007, 26839, 10.1155/2007/26839 · DOI
  36. Ren, 1996, Peroxisome proliferator-activated receptor alpha inhibits hepatic S14 gene transcription. Evidence against the peroxisome proliferator-activated receptor alpha as the mediator of polyunsaturated fatty acid regulation of s14 gene transcription, J. Biol. Chem., 271, 17167, 10.1074/jbc.271.29.17167 · DOI
  37. Rodgers, 2007, Fasting-dependent glucose and lipid metabolic response through hepatic sirtuin 1, Proc. Natl. Acad. Sci. USA, 104, 12861, 10.1073/pnas.0702509104 · DOI · Paper page
  38. Samuel, 2004, Mechanism of hepatic insulin resistance in non-alcoholic fatty liver disease, J. Biol. Chem., 279, 32345, 10.1074/jbc.M313478200 · DOI · Paper page
  39. Sanyal, 2005, Mechanisms of Disease: pathogenesis of nonalcoholic fatty liver disease, Nat. Clin. Pract. Gastroenterol Hepatol., 2, 46, 10.1038/ncpgasthep0084 · DOI · Paper page
  40. Shi, 1998, Identification and characterization of pancreatic eukaryotic initiation factor 2 alpha-subunit kinase, PEK, involved in translational control, Mol. Cell. Biol., 18, 7499, 10.1128/MCB.18.12.7499 · DOI
  41. Shulman, 2005, Retinoid x receptor heterodimers in the metabolic syndrome, N. Engl. J. Med., 353, 604, 10.1056/NEJMra043590 · DOI
  42. Smith, 2000, A phylogenetically conserved NAD+-dependent protein deacetylase activity in the Sir2 protein family, Proc. Natl. Acad. Sci. USA, 97, 6658, 10.1073/pnas.97.12.6658 · DOI · Paper page
  43. Stienstra, 2007, Peroxisome proliferator-activated receptor alpha protects against obesity-induced hepatic inflammation, Endocrinology, 148, 2753, 10.1210/en.2007-0014 · DOI
  44. Urano, 2000, Coupling of stress in the ER to activation of JNK protein kinases by transmembrane protein kinase IRE1, Science (New York, N.Y.), 287, 664, 10.1126/science.287.5453.664 · DOI
  45. van den Berghe, 1991, The role of the liver in metabolic homeostasis: implications for inborn errors of metabolism, J. Inherit. Metab. Dis., 14, 407, 10.1007/BF01797914 · DOI
  46. Vaziri, 2001, hSIR2(SIRT1) functions as an NAD-dependent p53 deacetylase, Cell, 107, 149, 10.1016/S0092-8674(01)00527-X · DOI
  47. Vega, 2000, The coactivator PGC-1 cooperates with peroxisome proliferator-activated receptor alpha in transcriptional control of nuclear genes encoding mitochondrial fatty acid oxidation enzymes, Mol. Cell. Biol., 20, 1868, 10.1128/MCB.20.5.1868-1876.2000 · DOI · Paper page
  48. Yang, 2006, Nuclear receptor expression links the circadian clock to metabolism, Cell, 126, 801, 10.1016/j.cell.2006.06.050 · DOI
  49. Yoon, 2001, Control of hepatic gluconeogenesis through the transcriptional coactivator PGC-1, Nature, 413, 131, 10.1038/35093050 · DOI · Paper page

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Metadata

Authors
Purushotham, A., Schug, T. T., Xu, Q., Surapureddi, S., Guo, X., & Li, X.
Venue
Cell Metabolism
Publisher
Elsevier BV
Published
2009-04
Volume
9
Issue
4
Pages
327-338
ISSN
1550-4131
Cited by
1,003
References
15
Language
en

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