Study on the extensibility of platelet donor gene database in Shaanxi
Journal Title: Chinese Journal of Blood Transfusion - Year 2023, Vol 36, Issue 7
Abstract
Objective To analyze the commonality and characteristics between voluntary blood donors and hematopoietic stem cell donors in this region, and explore the potential for integration and development between China Marrow Donors Program (CMDP) and voluntary blood donors, especially platelet donor databases, so as to improve recruitment success rate and inventory rate. Methods The database modeling and comparison methods were used to screen and stratify the matching and integration degree between the voluntary blood donors in recent 10 years and the marrow donors in the Shaanxi Branch of CMDP. The frequencies of HLA-A,-B alleles, HPA alleles and haplotypes were calculated with Arlequin 3. 5. 2. 2 software, and the matching probability of different platelet donor reserve pools was conducted according to the phenotypic frequencies. Results Among the voluntary donors with known HLA genotypes in this region, according to their blood donation behavior,the active blood donors excavated were divided into the first, second, third and fourth echelons of platelet donor reserve pools, with 696, 2 752, 9 092 and 12 028 donors, respectively. The first echelon had the highest proportion of 10-50 times of platelet donations and 10-20 times of whole blood donations, with 13.65% and 26.01%, respectively. The second echelon had 10-20 times of whole blood donations and 10-50 times of platelet donations, accounted for 15.04% and 1.38%, respectively, which were significantly different from other echelons' blood donation characteristics (P<0.05). With a database size of the existing platelet donor bank adding the first and second echelons (n=4 955), there was a 69.02% probability of matching at least one donor with matching HLA-A-B phenotype. When considering the matching ABO and HPA phenotypes, the probability of finding at least one donor with fully matching HLA, HPA and ABO isotype (type B as an example) was 48. 73%. Conclusion The three groups of whole blood donation, apheresis platelet donation and marrow donation in Xi'an area have a large cross-distribution. Compared with expanding the storage capacity from scratch, the active blood donors in CMDP database are the largest back-up force of platelet donors. While expanding the effective storage capacity, it can minimize the cost of building platelet donor bank and the demand for resources.
Authors and Affiliations
Jun QI, Xiaoli CAO, Xin HU, Fengqin LI, Zhendong SUN, Yuhui LI, Manni WANG, Tianju WANG, Junhua WU, Lixia SHANG, Le CHEN, Hua XU
Effect of USP9X on Akt phosphorylation and platelet function
Objective To explore the expression of USP9X in platelets and its effect on platelet function. Methods The expression of USP9X in human and mouse was evaluated by PCR and Western blot. Platelets from young and old mice w...
Preoperative therapeutic plasma exchange to prevent acute rejection after ABO incompatible renal transplantation: a retrospective analysis
Objective To investigate the clinical efficacy of preoperative therapeutic plasma exchange(TPE) in preventing acute rejection after ABO incompatible kidney transplantation(ABOi-KT). Methods Nine patients with ABOi-KT who...
Donor plasma reinfusion flushing of the LRS chamber to prevent CD4+ and CD8+ T lymphopenia
Objective To explore the effectiveness of using donor plasma reinfusion to flush the leukoreduction system (LRS) chamber during the final reinfusion phase with the Trima Accel automated blood collection system in prevent...
Autologous blood transfusion during heart valve replacement surgery: a retrospective study
Objective To retrospectively analyze the indexes of autologous blood transfusion during heart valve replacement, in order to provide reference for allogeneic blood transfusion during heart valve replacement surgery under...
Review on platelet-rich plasma preparation and its quality evaluation
Platelet-rich plasma (PRP) currently has been widely used in various medical fields, such as tissue regeneration, wound healing, scar repair, skin and hair regeneration etc..PRP is rich in platelets, growth factors and o...