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.
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Question:  Activation of nuclear factor kappa B inflammatory bowel disease [ see comments ]

Answer: nuclear factor


Question:  Human normal peripheral blood B - lymphocytes are deficient in DNA - dependent protein kinase activity due to the expression of a variant form of the Ku86 protein .

Answer: Ku86 protein


Question:  CD28 / CD3 - costimulated T cells produced intracellular IL - 2 from all subsets measured ( CD4 + , CD4 - , CD45RO + , and CD45RO - ) .

Answer:
IL - 2