instruction:
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:
 No significant difference was seen found between the two groups in the degree of postoperative deterioration in cardiopulmonary function or in interleukin - 6 levels .
answer:
interleukin - 6


question:
 In contrast to the restricted tissue expression of gonadotropin and TSH receptors in gonads and thyroid , respectively , LGR4 is expressed in diverse tissues including ovary , testis , adrenal , placenta , thymus , spinal cord , and thyroid , whereas LGR5 is found in muscle , placenta , spinal cord , and brain .
answer:
TSH receptors


question:
 The derepressed expression of fixN was not observed in a purH mutant .
answer:

purH mutant