Granulopoiesis in systemic lupus erythematosus.
The pathogenesis of granulopoietic failure in systemic lupus erythematosus (SLE) was studied. In 16 Japanese women with SLE, a decreased number of granulocyte/monocyte progenitor cells (CFU-C) in the bone marrow was demonstrated, and the number of CFU-C correlated significantly with the peripheral blood granulocyte/monocyte count. The peripheral and bone marrow T lymphocytes suppressed the colony formation of autologous or allogeneic bone marrow CFU-C. These findings suggest that the decreased marrow CFU-C may be due to suppression by T lymphocytes, an event that may play an important role in the pathogenesis of granulopoietic failure in SLE.
D001853:Bone Marrow / Q000473:pathology*; D005260:Female; D006098:Granulocytes / Q000473:pathology*; D006410:Hematopoiesis; D006412:Hematopoietic Stem Cells / Q000473:pathology; D006801:Humans; D007958:Leukocyte Count; D008180:Lupus Erythematosus, Systemic / Q000097:blood / Q000503:physiopathology*; D009000:Monocytes / Q000473:pathology; D013601:T-Lymphocytes / Q000473:pathology