Abstract
Danggui Sini decoction (DSD), a famous Chinese medicine, has been used therapeutically in various diseases. In this study, we tried to investigate whether and how DSD could ameliorate myelosuppression in an animal model, in which myelosuppression is induced by cyclophosphamide treatment. The myelosuppression model was established by intraperitoneal injection of 100 mg/kg cyclophosphamide in mice. Flow cytometry was used to assess cell numbers and evaluate the bone marrow cell cycle distribution. Spleen samples were collected, and the mRNA expression levels of thrombopoietin (TPO) and c-Mpl were analyzed by RT-PCR. Our results demonstrated that DSD could significantly elevate the level of bone marrow hematopoietic stem progenitor cells in myelosuppression mice model. DSD also accelerated cell proliferation by switching cell cycles from G0/G1 phase to S and G2/M phase. Moreover, DSD significantly elevated the mRNA expression level of TPO, but not c-Mpl in spleen. Overall, the present results indicated that DSD is a promising Chinese medicine that is highly potent to ameliorate myelosuppression induced by chemotherapy by upregulating TPO expression.
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