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 constant expression of large numbers of IL - 2 receptors which may be aberrant may play a role in the uncontrolled growth of adult T - cell leukemia cells .
[A]: IL - 2


[Q]:  Matrix metalloproteinase s ( MMPs ) are a group of enzymes thought to be responsible for both normal connective tissue matrix remodelling and accelerated breakdown associated with tumour development .
[A]: Matrix metalloproteinase


[Q]:  Mononuclear cells infiltrating human mammary carcinomas : immunohistochemical analysis with monoclonal antibodies .
[A]:
monoclonal antibodies