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]:  Analysis of 1 Mb of published sequence from the region of conserved synteny on human chromosome 5q31 - q33 identified 45 gene candidates , including 35 expressed genes in the human IL - 4 cytokine gene cluster .
[A]: IL - 4


[Q]:  Twelve patients of leprosy with arthritis and 161 patients without arthritis were studied for immunological parameters like immunoglobulins ( IgG , IgM , IgA ) , C - reactive proteins and rheumatoid factor .
[A]: rheumatoid factor


[Q]:  Furthermore , the data suggest an immunological non - responsiveness to enterotoxin A in a considerable portion of the patients .
[A]:
enterotoxin A