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:
 Penicillamine - induced myasthenia gravis associated with antibodies to acetylcholine receptor .
answer:
acetylcholine receptor


question:
 We report on a case of a 43 - old - male with a bronchogenic cyst in the distal esophagus , which was misdiagnosed as a malignant esophageal tumor based on preoperative imaging and high levels of the tumor markers CA 19 - 9 and CA 125 .
answer:
CA 125


question:
 Among women , plasma factor VII : Ag was inversely associated with income .
answer:

plasma factor VII


