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.
Lymphocytes are produced by precursor cells in the bone marrow. They are found traveling in the blood stream, at sites of infection in large numbers, and in the lymph nodes which are located in the groin area, armpit area, and tonsils. There are also lymphocytes in the appendix and spleen.ymphocytes are white blood cells. There are different types of white blood cells. They are monocytes, lymphocytes and granulocytes. Lymphocytes are smaller than granulocytes and have a round nucleus. They are made in the lymph nodes and spleen.