Alopecia Areata: JAK Inhibitors, PRP, and Exosomes

The document discusses Alopecia Areata (AA), an autoimmune disorder affecting approximately 6.8 million people in the U.S., characterized by non-scarring hair loss in patches. It explores treatments like JAK inhibitors, platelet-rich plasma (PRP), and exosomes. JAK inhibitors, such as tofacitinib, have shown promise in hair regrowth by modulating immune responses. PRP therapy, which involves injecting concentrated platelets, is reviewed for its potential to stimulate hair growth. Exosomes derived from mesenchymal stem cells are highlighted for promoting hair regrowth by enhancing hair follicle cell proliferation and migration. The emotional impact of AA is significant due to societal views on hair.