Signaling events leading to Schwann cell tumor initiation have been extensively characterized in the context of neurofibromatosis (NF). Similar tumors are also observed in patients with the endocrine neoplasia syndrome Carney complex. which results from inactivating mutations in PRKAR1A. Loss of PRKAR1A causes enhanced protein kinase A activity. https://parisnaturalfoodes.shop/product-category/astaxanthin/