... negative regulator of blood coagulation,acting as a cofactor for activated protein C in the deg-radation of clotting factors Va and VIIIa [5]. Gas6 hasthe same domain organization as protein ... 270,6872–6880.106 Tanaka K, Nagayama Y, Nakano T, Takamura N,Namba H, Fukada S, Kuma K, Yamashita S & NiwaM (1998) Expression profile of receptor-type proteintyrosine kinase genes in the human thyroid. ... Nakashima M, Nakayama T, Ohtsuru A, Nagayama Y, Takamura N, Demedchik EP, Sekine I& Yamashita S (2002) Expression of receptor-type tyr-osine kinase, Axl, and its ligand, Gas6, in pediatricthyroid...