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.
--------
Question: Characterization of the molecular mechanisms involved in the increased insulin secretion in rats with acute liver failure.

Answer: insulin


Question: Discovery of 4-phenyl-2-phenylaminopyridine based TNIK inhibitors.

Answer: TNIK


Question: Impaired expression of the uncoupling protein-3 gene in skeletal muscle during lactation: fibrates and troglitazone reverse lactation-induced downregulation of the uncoupling protein-3 gene.

Answer:
uncoupling protein-3