WNT3A and precursor B-cell acute lymphoblastic leukemia: 21 Moreover, Wnt3a inhibits the growth and proliferation of the lung and lacrimal glands,22 induces cell death of B-cell precursor acute lymphoblastic leukemia (B-ALL), and inhibits the proliferation of several B-ALL cell lines,23 These findings suggests that Wnt3a may have varied effects on different cancer types.