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The results showed that intense physical exercise led not only to increases in blood hormone concentrations but also to an increase in the density of glucocorticoid receptors in lymphocytes .
 protein: glucocorticoid receptors; cell type: lymphocytes
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: glucocorticoid receptors, lymphocytes 
Answer:
 protein: glucocorticoid receptors; cell type: lymphocytes