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:  This model of acute monarticular arthritis is particularly suitable for further investigations into cell - mediated immunity in arthritis and the role of IL - 1 .

A: IL - 1
****
Q:  By representative difference analysis we found that CRABP II is also strongly expressed in human monocyte - derived macrophages ( MAC ) but not in freshly isolated monocytes ( MO ) .

A: CRABP II
****
Q:  IL - 8 activates and chemotactically attracts neutrophils to the liver where they release oxidizing substances .

A:
IL - 8
****