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Related Experiment Videos

Adenovirus-receptor interaction with human lymphocytes

R Mentel1, G Döpping, U Wegner

  • 1Institut für Medizinische Mikrobiologie der Ernst-Moritz-Arndt-Universität, Greifswald, Germany.

Journal of Medical Virology
|March 1, 1997
PubMed
Summary
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Stimulated lymphocytes can become targets for adenovirus (Ad) infection. This finding is crucial for understanding Ad persistence and severe diseases in immunocompromised patients.

Area of Science:

  • Immunology
  • Virology
  • Cell Biology

Background:

  • Lymphocytes are crucial for immunity and host viral pathogens.
  • The role of lymphocytes in adenovirus (Ad) infections remains unclear.
  • Understanding Ad attachment to lymphocytes is key to Ad pathogenesis.

Purpose of the Study:

  • To investigate the attachment of adenovirus to lymphocytes.
  • To determine if lymphocyte stimulation affects Ad receptor expression.
  • To assess Ad internalization into stimulated lymphocytes.

Main Methods:

  • Flow cytometry was used to analyze Ad attachment to lymphocyte subsets.
  • Binding assays with FITC-labeled Ad fiber were performed on stimulated T cells.
  • Polymerase chain reaction (PCR) detected Ad DNA to confirm internalization.

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Main Results:

  • Native peripheral lymphocytes express minimal Ad receptors.
  • Phytohemagglutinin (PHA) and interleukin-2 stimulation significantly increased Ad receptor expression.
  • Ad DNA was detected in stimulated lymphocytes, indicating internalization.

Conclusions:

  • Lymphocyte stimulation can render them susceptible to adenovirus infection.
  • This susceptibility is significant for adenovirus persistence and severe infections.
  • Immunocompromised patients are at risk of life-threatening adenovirus diseases.