title: Gatekeeper mechanisms for immature B cells.
mesh_terms: D000818:Animals; D053264:B-Cell Activating Factor; D001402:B-Lymphocytes / Q000378:metabolism*; D008565:Membrane Proteins / Q000378:metabolism*; D016328:NF-kappa B / Q000378:metabolism*; D015398:Signal Transduction; D014409:Tumor Necrosis Factor-alpha / Q000378:metabolism*
chemical_list: D053264:B-Cell Activating Factor; D008565:Membrane Proteins; D016328:NF-kappa B; D014409:Tumor Necrosis Factor-alpha