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Sirtuin 6 (SIRT6 or Sirt6) is a stress responsive protein deacetylase and mono-ADP ribosyltransferase enzyme encoded by the SIRT6 gene. [5] [6] [7] In laboratory research, SIRT6 appears to function in multiple molecular pathways related to aging, including DNA repair, telomere maintenance, glycolysis and inflammation . [5]
Chemically, sirtuins are a class of proteins that possess either mono- ADP-ribosyltransferase or deacylase activity, including deacetylase, desuccinylase, demalonylase, demyristoylase and depalmitoylase activity. [4] [5] [6] The name Sir2 comes from the yeast gene ' s ilent mating-type i nformation r egulation 2 ', [7] the gene responsible for ...
Sirtuin 1, also known as NAD-dependent deacetylase sirtuin-1, is a protein that in humans is encoded by the SIRT1 gene. [5] [6] [7] SIRT1 stands for sirtuin (silent mating type information regulation 2 homolog) 1 ( S. cerevisiae ) , referring to the fact that its sirtuin homolog (biological equivalent across species) in yeast ( Saccharomyces ...
SIR proteins. Silent Information Regulator ( SIR) proteins are involved in regulating gene expression. SIR proteins organize heterochromatin near telomeres, [1] ribosomal DNA (rDNA), [2] and at silent loci including hidden mating type loci in yeast. [3] [4] The SIR family of genes encodes catalytic and non-catalytic proteins that are involved ...
Sirtuin 3. NAD-dependent deacetylase sirtuin-3, mitochondrial also known as SIRT3 is a protein that in humans is encoded by the SIRT3 gene [sirtuin (silent mating type information regulation 2 homolog) 3 (S. cerevisiae)]. [5] [6] SIRT3 is member of the mammalian sirtuin family of proteins, which are homologs to the yeast Sir2 protein.
Sirtris Pharmaceuticals. Sirtris Pharmaceuticals, Inc. was a biotechnology company based in Cambridge, MA that developed therapies for type 2 diabetes, cancer, and other diseases. Conceived in 2004 by Harvard University biologist David Sinclair and Andrew Perlman, [1] and founded that year by Sinclair and Perlman, along with Christoph Westphal ...
Sirtuin-activating compound. Sirtuin-activating compounds ( STAC) are chemical compounds having an effect on sirtuins, a group of enzymes that use NAD+ to remove acetyl groups from proteins. They are caloric restriction mimetic compounds that may be helpful in treating various aging -related diseases. [1]
Sirtuin (silent mating type information regulation 2 homolog) 5 (S. cerevisiae), also known as SIRT5 is a protein which in humans in encoded by the SIRT5 gene and in other species by the orthologous Sirt5 gene. [5] This gene encodes a member of the sirtuin family of proteins, homologs to the yeast Sir2 protein.