1881
We found that secretion of chitinolytic enzymes by cultured L . major parasites is inhibited by blood or hemoglobin , and hence these enzymes are apparently absent from the blood - fed infected flies , where the cardiac valve appears undamaged .
 GENE: hemoglobin
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 GENE: hemoglobin