A new set of studies is highlighting something increasingly important in neuroscience: researchers are finding more precise ways to protect, repair, and even replace damaged neurons across very different conditions. In spinal cord injury, scientists developed a cell therapy approach that creates spinal cord–matched GABAergic progenitors, with animal data suggesting it may help reduce chronic pain and improve recovery. In Parkinson’s disease models, Parkin gene therapy helped rescue dopamine-producing neurons and improve key cellular deficits. And in Alzheimer’s disease brains with TDP-43 pathology, researchers identified a TYK2-driven inflammatory response that could represent a promising therapeutic target.

What makes these findings so compelling is that they go beyond simply describing disease—they point toward tangible strategies for intervention. Whether through cell therapy, gene delivery, or targeted control of neuroinflammation, each study reflects a growing move toward treatments designed to directly influence the biology of neuron loss and dysfunction. If you’d like to stay informed on the latest publications and advances in neuron regeneration, join our email newsletter to the right (or below on mobile). We send weekly updates featuring new papers, key studies, and podcast conversations with the people helping move neuroregenerative science forward.