Researchers from Washington University School of Medicine in St. Louis have discovered a way to delay aging in mice with a protein that is abundant in the blood of young mice but declines with age. eNAMPT and the NAD salvage pathway That protein is extracellular nicotinamide phosphoribosyltransferase (eNAMPT), and it plays a key role in…

A new publication highlights how the complex interaction of NAD+ and cellular senescence pathways may complicate proposed anti-aging therapies that boost NAD+ using precursors. What are epigenetic alterations? One of the proposed reasons we age is the changes to gene expression that our cells experience as we get older; these are commonly called epigenetic alterations….

Aging is a series of processes in which the body’s ability to perform functions gradually decreases. The Hallmarks of Aging includes such things as an increase in senescent cells and a decrease in stem cells, but decreasing NAD+ and increasing free radicals matter as well. This article will cover a few root causes of aging…

Researchers have tested nicotinamide mononucleotide on aged mice to see if it can help reverse age-related cognitive decline by improving blood flow in the brain. The brain is a hungry organ Healthy brain function relies on efficient cerebral blood flow (CBF) to wash away harmful waste products for disposal and supply the brain with an…

Sirtuins have long been implicated in playing a role in the longevity of various species, including our own, and researchers at the University of Rochester have now discovered more supporting evidence that they do. What are sirtuins? Sirtuins are a family of proteins that facilitate cellular function and have long been known to play a…

A new study published in Nature Metabolism finally reveals the answer to how NMN enters the cell in order to become NAD+ and that it does not need to convert into NR to do so. In the last few years, there has been considerable interest in restoring levels of the nicotinamide adenine dinucleotide (NAD+) coenzyme…

Just a small update for those who backed the recent NAD+ Mouse Project on Lifespan.io: the T-shirt rewards for backers are now shipping. We anticipate that 90% of shipments will be sent out by today and that most U.S. backers should have them by Friday, December 21 and almost all will have them by Saturday,…

A number of therapies that directly target the aging processes are currently in human trials and could change medicine significantly in the next decade if the results are positive. What is aging? Aging is basically the accumulation of damage and errors caused by a collection of varied processes that harm the functions of the body…

Today, we want to highlight a new study that used in silico analysis to look at the interaction between metformin and SIRT1 [1]. SIRT1 and metabolism Silent mating type information regulation 2 homolog (SIRT1) is a member of the sirtuin protein family, and studies suggest that human sirtuins act as intracellular regulatory proteins. Sirtuin 1…

Today, we want to highlight a recent, small-scale study looking at NAD+ and how it declines with age in the plasma. The researchers looked at various NAD+ metabolites across age groups and found that the amounts of some of them, particularly NAD+ itself, are significantly smaller in older people than younger ones [1]. This is…

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