---
title: "Cold Temperatures Extend Lifespan in Animals"
url: https://newscentral.site/cold-temperatures-extend-lifespan-in-animals/
language: en
publisher: "News Central Site"
section: "Science"
published: 2026-10-21T15:00:34.000Z
updated: 2026-10-21T17:27:12.012Z
id: b2d31951-3a4b-4323-a4ee-f149fb56467b
source: "Phys.org https://phys.org/news/2026-10-newly-metabolic-pathway-cold-lifespan.html"
attribution: "Link to https://newscentral.site/cold-temperatures-extend-lifespan-in-animals/ and name News Central Site when you quote or summarize this story."
---

# Cold Temperatures Extend Lifespan in Animals

A recent study published in Nature has identified a signaling system regulated by metabolites across different tissues that promotes longevity and delays age-related decline.

Researchers have made a significant breakthrough in understanding how cold temperatures can extend lifespan and delay age-related decline in animals. Studies have shown that moderately cold temperatures are effective in promoting longevity, but the underlying molecular mechanisms have remained unclear.

A recent study published in Nature has shed light on this phenomenon by identifying a signaling system regulated by metabolites across different tissues. Led by Professor Dr. David Vilchez at the University of Cologne, the research team used Caenorhabditis elegans as a model organism to investigate the effects of cold temperatures on lifespan and protein homeostasis.

The study found that muscle tissue plays a crucial role in producing dihydrobiopterin (BH2), a metabolite essential for maintaining protein function. BH2 is then transported to other tissues, where it triggers the production of tyrosine, an amino acid vital for cellular machinery.

This metabolic pathway has been shown to promote proteostasis, or the maintenance of protein homeostasis, which is critical for preserving functional proteins and preventing age-related decline. The discovery provides valuable insights into the molecular mechanisms underlying cold-induced longevity.

The researchers' findings suggest that BH2 plays a central role in regulating cellular processes, and its production in muscle tissue may be key to understanding how cold temperatures trigger beneficial effects at the molecular level. Further research is needed to explore this connection and unlock the secrets of cold-induced longevity.

The discovery of a new metabolic pathway has shed light on how exposure to mild cold temperatures can extend lifespan.

Scientists have been studying the effects of cold on various organisms and diseases, and their latest research validates findings in nematodes and human cell models of neurodegenerative disorders such as Huntington's disease and ALS. These conditions are characterized by the accumulation of misfolded or damaged proteins, which is a hallmark of aging.

The researchers found that exposure to mild cold temperatures triggers the production of a specific metabolite called BH2, which is synthesized in muscle tissue and released into the body. This metabolite plays a crucial role in maintaining protein homeostasis and promoting tissue health during aging.

Targeting muscle tissue specifically could provide organism-wide protection, according to the researchers. Their findings suggest that this approach may open up new avenues for therapeutic treatments, potentially offering an alternative to manipulating body temperature.

The team also explored whether supplementing with identified metabolites could replicate the beneficial effects of cold temperatures. They discovered that administering BH2 and tyrosine was sufficient to produce a protective effect in nematodes and human cell cultures, suggesting these compounds can mimic some benefits of cold exposure.

Research into a newly identified metabolic pathway has revealed how cold temperatures can extend lifespan. While it is still too early to develop a pill that replicates this effect, the findings provide a promising starting point for further investigation.

The study's results may hold the key to developing treatments for conditions such as Huntington's disease and ALS by exploiting metabolite-based treatment options. The research was conducted in collaboration with two prominent laboratories at the CECAD Cluster of Excellence.

This breakthrough has significant implications for our understanding of how cold exposure can promote longevity and maintain cellular health, paving the way for potential new therapies to combat age-related diseases.

---
Source: [Phys.org](https://phys.org/news/2026-10-newly-metabolic-pathway-cold-lifespan.html)  
Published by News Central Site: https://newscentral.site/cold-temperatures-extend-lifespan-in-animals/