Scientists Reverse Brain Decline and Bone Loss in 20-Month-Old Mice by Restoring Hypothalamic Menin
Updated
Updated · ScienceDaily · May 24
Scientists Reverse Brain Decline and Bone Loss in 20-Month-Old Mice by Restoring Hypothalamic Menin
2 articles · Updated · ScienceDaily · May 24
30 days after Menin gene delivery into the hypothalamus, elderly mice showed better memory, balance, skin thickness and bone density, reversing several age-linked deficits.
Menin levels had fallen sharply with age in ventromedial hypothalamus neurons; experimentally lowering the protein in younger mice triggered brain inflammation, memory problems, lower bone mass, thinner skin and shorter lifespan.
D-serine emerged as one downstream link: Menin loss reduced the amino acid's production, and three weeks of D-serine supplementation improved cognition in older mice but did not restore skin or bone markers.
The findings strengthen evidence that the hypothalamus helps regulate systemic aging, though the work was done only in mice and researchers say human safety, durability and side effects remain unknown.
A key amino acid improved memory in aging mice. Is this brain-boosting supplement a safe anti-aging shortcut or a hidden danger?
If boosting the Menin protein reverses aging, why are FDA-approved drugs that block it used to successfully fight cancer?
Menin in the Hypothalamus: A Breakthrough Regulator of Systemic Aging and Cognitive Decline with 10% Lifespan Extension in Mice
Overview
Recent research from 2023 to 2026 has revealed that the brain protein Menin is a key regulator of aging and cognitive decline in mice. Scientists found that as mice age, Menin levels drop sharply in neurons of the ventromedial hypothalamus. This decline sets off a chain reaction, leading to increased neuroinflammation, memory loss, bone loss, and thinning skin. Importantly, restoring Menin in the brain reversed many of these age-related problems, improving memory, physical health, and even extending lifespan. These findings highlight Menin’s central role in controlling the aging process and offer hope for future anti-aging therapies.