In this week’s newsletter

“They reset their clock and are as young as if they had been born just days ago”. American Biostasis Foundation. Two new hallmarks of aging. One step closer for Verve Therapeutics. The FDA is beginning to phase out animal testing. The problem with trying to nuance AI hype.

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Three decades later C. elegans can still teach us a thing or two about aging

In 1993, Cynthia Kenyon transformed the field of aging biology when she showed that a single mutation in the daf-2 gene - the C. elegans equivalent of the insulin/IGF-1 receptor - could double the worm’s lifespan. This discovery overturned the long-standing assumption that aging was simply inevitable wear and tear, revealing instead that it could be genetically regulated.

Three decades later, research on C. elegans continues to deliver fresh insights. A new study from Björn Schumacher’s lab at the University of Cologne uncovers a naturally evolved program of age deceleration and reversal during the worm’s dauer* (diapause) stage - a stress-resistant, metabolically suppressed larval form that can survive harsh conditions for months.

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