Orthologs, styled Brca1 and Brca1, are common in other mammal species. BRCA1 is a human tumor suppressor gene (to be specific, a caretaker gene), found in all humans; its protein, also called by the synonym breast cancer type 1 susceptibility protein, is responsible for repairing DNA.he official symbol (BRCA1, italic for the gene, nonitalic for the protein) and the official name (breast cancer 1, early onset) are maintained by the HGNC.
Two types of lymphocyte are produced in the bone marrow before birth. B lymphocytes, also called B cells, stay within the bone marrow until they are mature. Once mature, they spread throughout the body and concentrate in the spleen and lymph nodes.wo types of lymphocyte are produced in the bone marrow before birth. A large number of lymphocytes can be found in the lymph nodes. Tuberculosis may cause a low lymphocyte count. Lymphocytes are found in the blood, and help defend the body against infection.
lymphocyte âa small white blood cell produced in the lymphoid organs and essential to immune defenses. B cells, T cells, and NK T cells are lymphocytes. lymphoid organ âan organ of the immune system where lymphocytes develop and congregate.These organs include the bone marrow, thymus, lymph nodes, spleen, and various other clusters of lymphoid tissue. Blood vessels and lymphatic vessels are also lymphoid organs.ymphocyte âa small white blood cell produced in the lymphoid organs and essential to immune defenses. B cells, T cells, and NK T cells are lymphocytes. lymphoid organ âan organ of the immune system where lymphocytes develop and congregate.