期刊
VIROLOGY JOURNAL
卷 19, 期 1, 页码 -出版社
BMC
DOI: 10.1186/s12985-022-01884-1
关键词
Cytomegalovirus; B-cell malignancies; Global; Seroprevalence; Oncoprotection
类别
资金
- MPNTR of the National Ministry of Education, Science and Technological Development [1750-73, 41004]
This study found that chronic CMV infection was less prevalent in patients with B-cell malignancies compared to healthy controls. Furthermore, a significant inverse relationship between CMV seroprevalence and the annual incidence of B-cell neoplasms was observed globally.
Background Although cytomegalovirus (CMV) is not considered tumorigenic, there is evidence for its oncomodulatory effects and association with hematological neoplasms. Conversely, a number of experimental and clinical studies suggest its putative anti-tumour effect. We investigated the potential connection between chronic CMV infection in patients with B-lymphocyte (B-cell) malignancies in a retrospective single-center study and extracted relevant data on CMV prevalences and the incidences of B-cell cancers the world over. Methods In the clinical single-center study, prevalence of chronic CMV infection was compared between patients with B-cell leukemia/lymphoma and the healthy controls. Also, global data on CMV seroprevalences and the corresponding country-specific incidences of B- lineage neoplasms worldwide were investigated for potential correlations. Results Significantly higher CMV seropositivity was observed in control subjects than in patients with B-cell malignancies (p = 0.035). Moreover, an unexpected seroepidemiological evidence of highly significant inverse relationship between country-specific CMV prevalence and the annual incidence of B-cell neoplasms was noted across the populations worldwide (rho = -0.625, p < 0.001). Conclusions We try to draw attention to an unreported interplay between CMV infection and B-cell lymphomagenesis in adults. A large-scale survey across > 70 countries disclosed a link between CMV and B-cell neoplasms. Our evidence hints at an antagonistic effect of chronic CMV infection against B-lymphoproliferation.
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