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:  Unlike these contaminant - responsive T cells , those that are truly specific for natural AChR epitopes appear less heterogeneous and therefore more suitable targets for selective immunotherapy .

Answer: AChR epitopes


Question:  Human alcohol dehydrogenase ( ADH ) exists as a heterogeneous group of isozymes capable of oxidizing a wide variety of aliphatic and aromatic alcohols .

Answer: Human alcohol dehydrogenase


Question:  High and pathological PAI - 1 levels before and after the VO test were consistent with a defective fibrinolytic potential due to the inhibitory effect of PAI - 1 on plasminogen activation .

Answer:
PAI - 1