Authors
Jingying Sun, Yangmeng Feng, Qing Feng, Yan Li, Haixiang Zhang, Cuixiang Xu
Published in
Infection, genetics and evolution : journal of molecular epidemiology and evolutionary genetics in infectious diseases. Pages 106010. Aug 21, 2026. Epub Aug 21, 2026.
Abstract
To investigate the association and potential mechanisms between H7N9 influenza virus infection or vaccination and immune thrombocytopenia (ITP), providing foundational data for the prevention and treatment of related ITP.
Using laboratory-prepared anti-H7N9 influenza virus monoclonal antibodies (mAbs) (H7N9-98 and H7N9-120) as research subjects, the interactions between these antibodies and human platelets were analyzed through Western blotting (WB), immunohistochemistry (IHC), and immunofluorescence (IF) techniques.
The mAb H7N9-98 exhibited specific binding to human platelets, showing positive results in both IHC and IF assays. Western blotting results demonstrated that this antibody could specifically recognize approximately 60 kDa human platelet proteins. The isotype control mAb H7N9-120 did not exhibit the aforementioned binding reactions, with all test results being negative.
These findings suggest that the specific antibodies induced by the H7N9 virus may mediate platelet damage through cross-reactivity with platelet autoantigens. This mechanism warrants further investigation to provide experimental evidence for the pathogenesis of secondary ITP associated with H7N9 infection.
PMID:
42628822
Bibliographic data and abstract were imported from PubMed on 22 Aug 2026.
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