noun
a type of protein that plays a role in regulating cellular processes such as aging and metabolism
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Sirtuins are a class of proteins that play a key role in regulating cellular processes.
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I read an article about sirtuins and how they can impact aging.
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Have you heard about those sirtuin things? They're supposed to be like the fountain of youth or something.
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Sirtuins are like the gatekeepers of our cells, making sure everything runs smoothly.