145
Mean values for plasma aldosterone were not different between the two groups, but significant differences were observed for MR ( preeclampsia , 81 +/- 44 receptors/cell; controls, 306 +/- 168) and SPD ( preeclampsia , 65 +/- 7 mV; controls, 12 +/- 5 mV).
 protein: MR
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 protein: MR