TURKISH NEPHROLOGY DIALYSIS AND TRANSPLANTATION JOURNAL, vol.27, no.2, pp.214-217, 2018 (Peer-Reviewed Journal)
Protein-C (PC) is a vitamin-K-dependent anticoagulant proenzyme produced by the liver. PC deficiency may cause both venous and arterial thromboses. In patients with PC deficiency, warfarin further decreases PC activity and causes thrombosis of skin arterioles leading to skin necrosis.