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Войти в исследования Zhongguo shi yan xue ye xue za zhi · 2019
[Increment of N-cadherin Expression in Bone Marrow Mesenchymal Stem Cells Accompanies by Imparment of Bone Marrow B Lymphocyte Production in MRL/lpr Lupus Mice].
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Wang Li-Xia, Lu Hua, Fei Xiao-Ming, Tang Yu, Shi Wei, Lu Ping, Zhu Yan
Аннотация
OBJECTIVE: To investigate the hematological changes in MRL/lpr lupus mice and detect N-cadherin expression in their bone marrow mesenchymal stem cell (BMMSC).
METHODS: Peripheral blood cell count was analyzed. The ratio of each lineage in bone marrow was analyzed by flow cytometry. Bone marrow CFU-pre-B, BFU-E and CFU-GM were detected by colony formation assay. Expression of N-cadherin in BMMSC was analyzed by Western blot before and after treatment with the BMP/Smad pathway aganist BMP-2 and inhibitor Noggin.
RESULTS: Hemoglobin, red blood cell count and hematocrit decreased in lupus mice, compared with C57BL/6 mice. The ratio of B220+ lymphocyte and the number of CFU-pre-B in bone marrow of lupus mice decreased. Expression of N-cadherin in BMMSC of lupus mice was higher than that in the control group. Expression of N-cadherin decreased in BMP-2-treated BMMSC and increased after Noggin treatment.
CONCLUSION: Hematological changes in lupus mice include anemia and impairment of bone marrow B cell production. The expression of N-cadherin in BMMSC of lupus mice increases which maybe involved in abnormal hemogenesis in MRI/Ipr lupus mice.
METHODS: Peripheral blood cell count was analyzed. The ratio of each lineage in bone marrow was analyzed by flow cytometry. Bone marrow CFU-pre-B, BFU-E and CFU-GM were detected by colony formation assay. Expression of N-cadherin in BMMSC was analyzed by Western blot before and after treatment with the BMP/Smad pathway aganist BMP-2 and inhibitor Noggin.
RESULTS: Hemoglobin, red blood cell count and hematocrit decreased in lupus mice, compared with C57BL/6 mice. The ratio of B220+ lymphocyte and the number of CFU-pre-B in bone marrow of lupus mice decreased. Expression of N-cadherin in BMMSC of lupus mice was higher than that in the control group. Expression of N-cadherin decreased in BMP-2-treated BMMSC and increased after Noggin treatment.
CONCLUSION: Hematological changes in lupus mice include anemia and impairment of bone marrow B cell production. The expression of N-cadherin in BMMSC of lupus mice increases which maybe involved in abnormal hemogenesis in MRI/Ipr lupus mice.