1427
Quantitation of beta 1 triiodothyronine receptor mRNA in human tissues by competitive reverse transcription polymerase chain reaction .
 protein: beta 1 triiodothyronine receptor; RNA: beta 1 triiodothyronine receptor mRNA
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: beta 1 triiodothyronine receptor; RNA: beta 1 triiodothyronine receptor mRNA