abnormal ventral striatum morphology, absent B-1 B cells, absent mature B cells, arrested B cell differentiation, decreased B cell proliferation, decreased B-1 B cell number, decreased B-2 B cell number, decreased IgG1 level, decreased IgG3 level, decreased body size, decreased bone marrow cell number, decreased bone mineralization, decreased effector memory CD4-positive, alpha-beta T cell number, decreased freezing behavior, decreased germinal center B cell number, decreased immature B cell number, decreased marginal zone B cell number, decreased pre-B cell number, decreased prepulse inhibition, decreased pro-B cell number, decreased spleen germinal center number, decreased striatum size, decreased transitional stage B cell number, delayed bone mineralization, hematopoietic system phenotype, immune system phenotype, impaired contextual conditioning behavior, increased B cell apoptosis, increased B-1a cell number, increased B-1b cell number, increased CD4-positive, alpha beta T cell number, increased CD8-positive, alpha-beta T cell number, increased alpha-beta T cell number, increased osteoblast cell number, increased osteoclast cell number, increased single-positive T cell number, increased startle reflex, increased trabecular bone thickness, increased tumor necrosis factor secretion, premature death, preweaning lethality, incomplete penetrance