All of the following factor stimulate angiogenesis in a fetus Except:: (A) Vascular Endothelial Growth Factor (VEGF), (B) Basic Fibroblast Growth Factor (bFGF), (C) Interleukin - 8 (IL8), (D) Interferon Alpha (INFa)
Answer is D. D i.e. Interferon Alpha (INFa) 'Ocular Angiogenesis' by Tombran - Tink and Barnstable (2006)/297; Lasers in Ophthalmology (2003)/ 2251 Interferon alpha is an anti- angiogenic' agent that suppresses angiogenesis. 'Interferon alpha is an anti- angiogenic agent. Interferon alpha 2a causes dramatic involution of hemangiomas and inhibits iris neovascularization in models of ischemic retinopathy'.