Low-intensity pulsed ultrasound-mediated stimulation of hematopoietic stem/progenitor cell viability, proliferation and differentiation in vitro
2012
Xu, Peng | Gul-Uludag, Hilal | Ang, Woon T. | Yang, Xiaoyan | Huang, Min | Marquez-Curtis, Leah | McGann, Locksley | Janowska-Wieczorek, Anna | Xing, James | Swanson, Eric | Chen, Jie
Low-intensity pulsed ultrasound (LIPUS) stimulated the viability, proliferation and differentiation of hematopoietic stem/progenitor cells (HSPC) from fresh and cryopreserved peripheral blood leukapheresis product, as well as cord blood when applied for 10 min each day for 4 days. Cell viability, proliferation and differentiation were assessed on day 5 by viable cell counting, MTS proliferation assay, flow cytometry, and colony-forming unit assay. LIPUS stimulation: (i) enhanced the proliferation of fresh HSPC and maintained the viability of cryopreserved HSPC in vitro; (ii) did not affect the percentage of CD34+ and CD14+ cells; and (iii) enhanced burst-forming unit-erythroid colony formation. Hence, we suggest that this novel LIPUS stimulation approach might enhance the efficacy of clinical transplantation and cellular therapies using HSPC.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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