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Production of mature red blood cell by using peripheral blood mononuclear cells / 中国实验血液学杂志
Journal of Experimental Hematology ; (6): 1435-1441, 2014.
Article in Chinese | WPRIM | ID: wpr-340483
ABSTRACT
Most protocols for in vitro producing red blood cells (RBC) use the CD34(+) cells or embryonic stem cells from cord blood, bone marrow or peripheral blood as the start materials. This study was purposed to produce the mature RBC in vitro by using peripheral blood mononuclear cells as start material. The peripheral blood mononuclear cells (PBMNC) were isolated from buffy coat after blood leukapheresis, the mature red blood cells (RBC) were prepared by a 4-step culture protocol. The results showed that after culture by inducing with the different sets of cytokines and supporting by mouse MS-5 cell line, the expansion of PBMNC reached about 1000 folds at the end of the culture. About 90% of cultured RBC were enucleated mature cells which had the comparable morphological characteristics with normal RBC. Colony-forming assays showed that this culture system could stimulate the proliferation of progenitors in PBMNC and differentiate into erythroid cells. The structure and function analysis indicated that the mean cell volume of in vitro cultured RBC was 118 ± 4 fl, which was slight larger than that of normal RBC (80-100 fl); the mean cell hemoglobin was 36 ± 1.2 pg, which was slight higher than that of normal RBC (27-31 pg); the maximal deformation index was 0.46, which approachs level of normal RBC; the glucose-6-phosphate dehydrogenase and pyrurvate kinase levels was consistant with young RBC. It is concluded that PBMNC are feasble, convenient and low-cost source for producing cultured RBC and this culture system is suitable to generate the RBC from PBMNC.
Subject(s)
Full text: Available Index: WPRIM (Western Pacific) Main subject: Bone Marrow / Leukocytes, Mononuclear / Cell Differentiation / Cell Line / Cytokines / Cell Biology / Erythroid Cells / Erythrocytes Limits: Animals Language: Chinese Journal: Journal of Experimental Hematology Year: 2014 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Bone Marrow / Leukocytes, Mononuclear / Cell Differentiation / Cell Line / Cytokines / Cell Biology / Erythroid Cells / Erythrocytes Limits: Animals Language: Chinese Journal: Journal of Experimental Hematology Year: 2014 Type: Article