5682
Although elevated serum levels of antibodies to the nicotinic acetylcholine receptor ( nAChR ) have been reported in neuroleptic treated patients with tardive dyskinesia , such antibodies have not been determined in comparable nondyskinetic patients .
 nicotinic acetylcholine receptor, nAChR
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 nicotinic acetylcholine receptor, nAChR