AI Insight
Researchers have identified a protein called AHR that inhibits the nervous system's ability to repair damaged nerve connections. In experiments with mice, blocking this protein enabled injured nerve fibers to regrow and resulted in improved motor function and sensation following nerve or spinal cord injuries. This finding suggests that neurons can be shifted from a survival mode to an active regeneration state.
Why it matters
This discovery could lead to new therapeutic approaches for treating nerve and spinal cord injuries in humans, conditions that currently have limited treatment options. By targeting the AHR protein, future treatments might help patients recover lost function after traumatic injuries to the nervous system.
Understand the Science
Scientists have identified a protein that acts like a brake on the nervous system’s ability to repair damaged connections. Blocking AHR helped injured nerve fibers regrow and improved movement and sensation in mice with nerve or spinal cord injuries. The discovery could eventually point toward new treatments designed to shift neurons from simply surviving an injury to actively rebuilding themselves.
Source: Scientists discover why damaged nerves struggle to heal