Spiny Mouse Fibroblasts Exhibit A Baseline Preference For Glycolysis And Are Resilient To Oxidative Stress Across Lifespan
Ever wonder how some animals can regrow lost body parts or heal wounds without scars? New research sheds light on the cellular secrets of highly regenerative mammals like spiny mice and rabbits. It turns out that specialized cells in these animals, called fibroblasts, have a unique way of producing energy that helps them resist damage.
Instead of relying heavily on the typical energy-making process that uses a lot of oxygen, these cells prefer a less oxygen-intensive method called glycolysis. This metabolic choice leads to the production of fewer harmful byproducts known as reactive oxygen species, which can cause cellular stress and damage.
What’s even more fascinating is the appearance of their mitochondria, the “powerhouses” of the cell. In spiny mice, these mitochondria are unusually large, spherical, and operate at a lower rate. This distinct characteristic, along with their impressive resistance to stress, remains consistent throughout the animals’ entire lifespan, from when they are developing in the womb to old age.
By understanding how these regenerative species manage their cellular energy and protect themselves from damage, scientists hope to uncover new ways to boost tissue repair and resilience in other mammals, potentially leading to breakthroughs in human health and healing.
Source: link to paper