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Cross-reactivity00:42

Cross-reactivity

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Related Experiment Video

Updated: May 11, 2026

Merkel Cell Polyomavirus Infection and Detection
13:45

Merkel Cell Polyomavirus Infection and Detection

Published on: February 7, 2019

Serological cross-reactivity between human polyomaviruses.

Ugo Moens1, Marijke Van Ghelue, Xiaobo Song

  • 1University of Tromsø, Faculty of Health Sciences, Department of Medical Biology, Tromsø, Norway. ugo.moens@uit.no

Reviews in Medical Virology
|May 8, 2013
PubMed
Summary
This summary is machine-generated.

Most adults are exposed to numerous human polyomaviruses, including newly discovered types. Antibody cross-reactivity in serological studies requires careful interpretation due to viral similarities and potential zoonotic transmission.

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Area of Science:

  • Virology
  • Immunology
  • Public Health

Background:

  • Human polyomaviruses (PyVs) were initially limited to BKPyV and JCPyV until 2006.
  • Simian virus 40 (SV40) introduction into humans via vaccines and potential independent transmission are noted.
  • Since 2007, a significant expansion of identified human polyomaviruses has occurred, including KIPyV, WUPyV, and others.

Purpose of the Study:

  • To review the expanding landscape of human polyomaviruses.
  • To discuss serological findings and their interpretation in light of cross-reactivity.
  • To highlight the implications for understanding human polyomavirus exposure and transmission.

Main Methods:

  • Review of seroepidemiological studies focusing on antibodies against the major capsid protein VP1.
  • Analysis of antibody cross-reactivity patterns among different human and simian polyomaviruses.
  • Consideration of potential zoonotic transmission routes.

Main Results:

  • Most adults exhibit serological evidence of exposure to multiple human polyomaviruses.
  • High sequence identity in VP1 leads to antibody cross-reactivity, complicating serological interpretations.
  • Human sera show reactivity against non-human polyomaviruses, suggesting cross-reaction or zoonotic origins.

Conclusions:

  • Current serological data for human polyomaviruses must be interpreted cautiously.
  • Further research is needed to differentiate specific human polyomavirus infections from cross-reactive responses.
  • The possibility of zoonotic transmission warrants continued investigation.