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.

 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

 We suggest that the responses to types I and II collagen were caused by a cross - reaction with type III collagen peptides .
type III collagen

 As a member of the uncoupling protein family , UCP2 is ubiquitously expressed in rodents and humans , implicating a major role in thermogenesis .

uncoupling protein family