Sirtuin Definition
sûrto͝o-ĭn, -tyo͝o-
noun
Any of a family of enzymes that occur in all living organisms and are thought to regulate cellular aging, apoptosis, and resistance to stress in more complex eukaryotic organisms.
American Heritage Medicine
Other Word Forms of Sirtuin
Noun
Singular:
sirtuin
Plural:
sirtuinsOrigin of Sirtuin
Alteration of Sir2 name of the first gene coding for the synthesis of such enzymes to be isolated (short for s(ilent mating-type) i(nformation) r(egulation) 2 so called because the gene silences the expression of genes relating to the two mating types of the yeast from which it was isolated ) –in
From American Heritage Dictionary of the English Language, 5th Edition
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