MERTK and neoplasm: To entirely rule out Tyro3B6 function as a suppressor in abolishing the anti-tumor effects of Mertk ablation in Mertk-/-V2 and Mertk-/-V3 mice, we implanted YUMM1.7 and GL261 tumors in Mertk-/-V2Tyro3-/-V2 mice.