instruction:
In this task, you are given a sentence. You are expected to recognize the name of gene or protein. Although there might be several correct answers, you need to write one of them.
question:
 Platelet factor 4 levels in patients with coronary artery disease .
answer:
Platelet factor 4


question:
 Human and murine cytotoxic T lymphocyte serine proteases : subsite mapping with peptide thioester substrates and inhibition of enzyme activity and cytolysis by isocoumarins .
answer:
serine proteases


question:
 On the other hand , NE transport and antagonist ( [ 125I ] RTI - 55 ) binding assays on whole LLC - NET cells treated with tunicamycin reveal a pronounced reduction in NE transport activity and hNET membrane density paralleled by an inability of NET proteins to replenish the higher M ( r ) hNET pool .
answer:

NET proteins