Connexin 43 (IMAGE) Neural Regeneration Research Caption Expression of connexin 43 in the brain of rats at 24 hours after traumatic brain injury (immunohistochemical staining, × 400). Credit <I>Neural Regeneration Research</I> Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.