30151
Subsequently , gene act network and gene co - expression network found that some MHC molecules and TNF - alpha were involved in T1DM pathway , which was then confirmed by the increase in serum TNF - alpha .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None