What Do SHP-1 and IL-10 Have in Common with Regard

Multiple Choice

What do SHP-1 and IL-10 have in common with regard to B-cell function?

A) Both exert negative regulation of B-cell activity.
B) Both exert positive regulation of B-cell activity.
C) Both are B-cell survival factors.
D) Both induce B-cell proliferation.
E) None of the answers are correct.