2339
Cells containing alpha subunits that lacked a distal domain ( term - 3 ) or had the alternatively spliced alpha - 2 distal domain showed markedly decreased ability to support tyrosine phosphorylation of Jak - 2 and its substrates or to up - regulate CD86 .
 GENE: Jak - 2; GENE: CD86
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 GENE: Jak - 2; GENE: CD86