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Related Experiment Videos

Cellular receptor for human cytomegalovirus.

N R Cooper1, D Nowlin, H P Taylor

  • 1Department of Immunology, Scripps Clinic and Research Foundation, La Jolla, California 92037.

Transplantation Proceedings
|June 1, 1991
PubMed
Summary

Human cytomegalovirus (HCMV) likely uses a 30 kd glycoprotein receptor for cell binding. This molecule appears to be the primary HCMV receptor across various cell types studied.

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Area of Science:

  • Virology
  • Cell Biology
  • Molecular Biology

Background:

  • Human cytomegalovirus (HCMV) is a significant human pathogen.
  • Understanding HCMV cell entry mechanisms is crucial for developing antiviral strategies.

Purpose of the Study:

  • To identify and characterize the specific cellular receptor(s) involved in HCMV binding to target cells.
  • To elucidate the molecular interactions mediating HCMV cell recognition.

Main Methods:

  • In vitro studies analyzing the interaction between HCMV and various cell types.
  • Molecular weight characterization of potential viral binding molecules.

Main Results:

  • A glycoprotein membrane receptor with an approximate molecular weight of 30 kilodaltons (kd) strongly mediates HCMV binding.

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  • This 30 kd molecule was consistently observed across studied cell types, suggesting it is the principal HCMV receptor.
  • Other observed molecules (28 kd, 60 kd, 92 kd) are hypothesized as degradation products, dimers, or involved in later viral penetration stages.

    • Conclusions:

    • The 30 kd glycoprotein is identified as the principal cellular receptor for HCMV.
    • Further research is needed to clarify the role of the 92 kd molecule in viral penetration.