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Study on thedistribution of high titer neutralizing antibody against human cytomegalovirus in plasma donors / 中国输血杂志
Chinese Journal of Blood Transfusion ; (12): 43-46, 2022.
Artigo em Chinês | WPRIM | ID: wpr-1004040
ABSTRACT
【Objective】 To investigate the distribution of plasma donors with high titer neutralizing antibodies against human cytomegalovirus (HCMV) in the general plasma donor population. 【Methods】 920 plasma samples of Taibang were tested in April 2014 to investigate the distribution of anti-HCMV neutralizing antibodies. After further testing of mixed plasma, the threshold for screening plasma was determined. From October 2019 to May 2020, neutralizing anti-HCMV in 40 078 plasma samples from 11 plasma stations in Shandong province were screened by the microcytopathic method (modified high-flux neutralization test method). The proportion of neutralizing anti-HCMV enriched in high titer and the distribution in the donor population were analyzed by SPSS 26 and Minitab19 analysis software. 【Results】 Among 920 samples, 73.26%, 0.43%, and 8.69% of them had neutralization titer<1∶15, ≥1∶60 and ≥1∶30, respectively. The neutralization titer of mixed plasma was detected, and 1∶30 was determined as the high titer. The yielding rate of high titer neutralizing anti-HCMV in Shandong was 9.06% (3 633/40 078). The proportion of plasma donors with high-titer neutralizing anti-HCMV in the donation population from plasma stations was 4.95%~13.03% (9.06±2.07) %. The proportion of plasma donors with high-titer neutralizing anti-HCMV by gender was 15.67% (2 185/13 951) in women and 5.54% (1 448/26 127) in men(P<0.05). 【Conclusion】 There was a certain proportion of plasma donors wiht high titer neutralizing anti-HCMV in the population of plasma donors in Shandong, and they can constantly serve neutralizing anti-HCMV to ensure the production of anti-HCMV immunoglobulin preparations.

Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Idioma: Chinês Revista: Chinese Journal of Blood Transfusion Ano de publicação: 2022 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Idioma: Chinês Revista: Chinese Journal of Blood Transfusion Ano de publicação: 2022 Tipo de documento: Artigo