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.

[Q]:  The level of expression of the PDE protein was monitored by immunoblot analysis using two specific cAMP - PDE polyclonal antibodies and by measuring the PDE activity .
[A]: PDE protein


[Q]:  Serum IgM levels showed a highly significant increase in all types of brain tumour when compared to controls .
[A]: Serum IgM


[Q]:  In addition , there was an increase in the amount of p120 Ras - specific GTPase - activating protein ( GAP ) and GAP - associated p190 .
[A]:
p120 Ras