In this task, you are given a sentence. You are expected to recognize the name of gene or protein. Although there might be several correct answers, you need to write one of them.

 Tumor necrosis factor levels were measured by enzyme - linked immunoabsorbent assay in plasma samples obtained from the hyperthermic isolated limb perfusion circuit and systemic circulation .
Tumor necrosis factor

 When severe hypoxia was acutely produced by ventilation with low - oxygen mixtures in experimental ( PaO2 , 23 . 7 + / - 1 . 7 torr ) and control animals ( PaO2 , 26 . 3 + / - 1 . 0 torr ) , plasma insulin responses were markedly inhibited in both .
plasma insulin

 Acanthamoeba myosin I heavy chain kinase ( MIHCK ) phosphorylates the heavy chains of amoeba myosins I , increasing their actin - activated ATPase activities .

amoeba myosins I