12737
In contrast with endometriosis , adenomyotic lesions showed identical steroid hormone receptor expression , proliferative activity , bcl-2 expression and leukocyte subpopulations to eutopic endometrium , indicating different aetiologies for these disorders.
 protein: steroid hormone receptor; protein: bcl-2
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
 Entities: steroid hormone receptor, bcl-2 
Answer:
 protein: steroid hormone receptor; protein: bcl-2