feedback activation

feed·back ac·ti·va·tion

activation on an enzyme by an end product of a biochemical pathway in which that enzyme plays a part. For example, the activation of factors VIII and V by thrombin during blood clotting.
References in periodicals archive ?
Title: Mutual feedback activation of PI3K and MAPK pathways support combining inhibitors of the two pathways to enhance efficacy Date & Time: Tuesday, April 20, 2010, 2:00 PM - 5:00 PM Session Title: Therapeutics 2 Abstract: #4151 Presenter: Theresa Zhang, Ph.