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  • Title: [Myeloma precursor cells and their differentiation].
    Author: Kawano MM.
    Journal: Nihon Rinsho; 1995 Mar; 53(3):552-6. PubMed ID: 7699884.
    Abstract:
    Recently, differentiation pathway of plasma cells from germinal center B cells has been clarified in detail. Most of bone marrow plasma cells are considered to be derived from germinal center B cells. Early plasma cells are detected in the peripheral blood, and in the bone marrow, immature, intermediate and mature plasma cells are identified by expression of adhesion molecules such as VLA-5 and MPC-1. Myeloma cells are also subclassified into immature, intermediate and mature myeloma cells. Immature myeloma cells can respond to interleukin 6 (IL-6) to proliferate, and circulate in the peripheral blood and markedly expand in relapse. Therefore, immature myeloma cells are considered to be clonogenic cells for myeloma, so-called myeloma precursor cells.
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