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. 2022;23(2):300-306.
doi: 10.2174/1389201022666210222162311.

The Effect of Pre-operative Autologous Blood Donation on Bone Marrow Hematopoietic Functions in Rabbits after Hepatectomy

Xiao-Fang Zhou  1 , Yang Liu  1 , Jia-Ming Xu  1 , Jin-Huo Wang  1 , Zhen-Zhou Li  2 , Xun Zhou  1 , Jian-Rong Guo  1
Affiliations

The Effect of Pre-operative Autologous Blood Donation on Bone Marrow Hematopoietic Functions in Rabbits after Hepatectomy

Xiao-Fang Zhou et al. Curr Pharm Biotechnol. 2022.

Abstract

Background: Pre-operative autologous blood donation (PABD) is one of the most widely distributed autologous blood donation means, which has positive effects on erythropoiesis. However, whether PABD can stimulate the bone marrow hematopoiesis after hepatectomy has not been reported.

Methods: Totally 80 New Zealand rabbits were randomly divided into 4 groups that included control group, surgery group, hemodilutional autotransfusion (HA) group and PABD group. Automatic reticulocyte examination was performed to detect the content of reticulocyte and immature reticulocyte fractions (IRF). Flow cytometric analysis was employed to monitor the level of CD34+ cells and the cell cycle status. Southern blotting was conducted to determine the telomere length of CD34+ cells.

Results: The content of high fluorescence reticulocytes (HFR) and IRF was decreased at 6 h and 24 h after autotransfusion. However, the level of CD34+ cells was upregulated after PABD. Cell cycle status analysis revealed that the majority of the CD34+ cells in HA and PABD group were maintained in G0/G1 phase. The telomere length in HA and PABD group was shortened than that of the control group and surgery group.

Conclusion: PABD could promote the bone marrow hematopoietic functions in rabbits after hepatectomy via stimulating proliferation of CD34+ cells and shortening the telomere length of CD34+ cells, but the content of HFR was not increased immediately because of the stuck of CD34+ cells in the G0/G1 phase.

Keywords: Blood transfusion; PABD; autotransfusion; bone marrow hematopoiesis; hepatectomy; high fluorescence reticulocytes..

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