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Significance of monitoring hematopoietic progenitor cells in peripheral blood stem cell during mobilization and harvest / 中国实验血液学杂志
Journal of Experimental Hematology ; (6): 292-296, 2003.
Article in Chinese | WPRIM | ID: wpr-355661
ABSTRACT
To achieve efficient peripheral blood stem cell harvest (PBSCH), a simple method to monitor peripheral blood stem/progenitor cells was evaluated. The Sysmex XE-2100 hematology analyzer with an immature information (IMI) channel was used to identify and count the hematopoietic progenitor cell (HPC). Twenty-five donors mobilized with G-CSF in allogeneic and 11 patients in autologous peripheral blood stem cell transplantation (allo-PBSCT and auto-PBSCT) were involved. The HPC, CD34(+) cell and CFU-GM in the peripheral blood and leukapheresis samples were detected during mobilization and harvest. The results showed that HPC amount had a positive correlation with both the CD34(+) cell and CFU-GM in the peripheral blood. The peripheral blood hematopoietic stem/progenitor cells in allo-PBSCT donors remarkably increased on day 5 of the mobilization, followed the leukocytes increased. However, a fast increase of hematopoietic stem/progenitor cells was earlier than leukocytes in the peripheral blood. The HPC positively correlated with the CD34(+) cell or CFU-GM in the PBSCH. On the days of collection, the count of HPC and CD34(+) cell in peripheral blood was highly correlated with the CD34(+) cell yield. It is concluded that HPC as an estimate of progenitor cells in collected blood sample could be used to determine the optimal time of PBSCH and minimize the risk of missing an adequate harvest.
Subject(s)
Full text: Available Index: WPRIM (Western Pacific) Main subject: Blood / Blood Donors / Hematopoietic Stem Cells / Cell Separation / Colony-Forming Units Assay / Antigens, CD34 / Hematopoietic Stem Cell Mobilization / Cell Biology / Allergy and Immunology / Hematology Limits: Humans Language: Chinese Journal: Journal of Experimental Hematology Year: 2003 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Blood / Blood Donors / Hematopoietic Stem Cells / Cell Separation / Colony-Forming Units Assay / Antigens, CD34 / Hematopoietic Stem Cell Mobilization / Cell Biology / Allergy and Immunology / Hematology Limits: Humans Language: Chinese Journal: Journal of Experimental Hematology Year: 2003 Type: Article