1296
These findings strongly suggest that the mechanism for previously described upregulation of platelet thromboxane receptors after acute myocardial infarction is increased thromboxane receptor gene transcription in platelet-progenitor cells .
 protein: thromboxane receptor; DNA: thromboxane receptor gene; protein: platelet thromboxane receptors; cell type: platelet-progenitor cells
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: thromboxane receptor; DNA: thromboxane receptor gene; protein: platelet thromboxane receptors; cell type: platelet-progenitor cells