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Late Stages Of Hematopoiesis And B Cell Lymphopoiesis Are Regulated By Α-Synuclein, A Key Player In Parkinson's Disease, Wenbin Xiao, Afshin Shameli, Clifford V. Harding, Howard J. Meyerson, Robert W. Maitta
Late Stages Of Hematopoiesis And B Cell Lymphopoiesis Are Regulated By Α-Synuclein, A Key Player In Parkinson's Disease, Wenbin Xiao, Afshin Shameli, Clifford V. Harding, Howard J. Meyerson, Robert W. Maitta
Faculty Scholarship
α-Synuclein plays a crucial role in Parkinson's disease and dementias defined as synucleinopathies. α-Synuclein is expressed in hematopoietic and immune cells, but its functions in hematopoiesis and immune responses are unknown. We utilized α-synuclein(-/-) (KO) mice to investigate its role in hematopoiesis and B cell lymphopoiesis. We demonstrated hematologic abnormalities including mild anemia, smaller platelets, lymphopenia but relatively normal early hematopoiesis in KO mice compared to wild-type (WT) as measured in hematopoietic stem cells and progenitors of the different cell lineages. However, the absolute number of B220(+)IgM(+) B cells in bone marrow was reduced by 4-fold in KO mice (WT: …