The Hair Loss Encyclopedia
receptor protein involved in nerve growth and hair follicle health
Tropomyosin receptor kinase A (TrkA) is a protein that plays a crucial role in the development and function of the nervous system. It is a receptor for nerve growth factor (NGF), which is essential for the survival, growth, and maintenance of certain types of neurons. TrkA is also involved in pain perception and can influence hair growth by affecting the health of hair follicles.