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Tac expression induced by Epstein-Barr virus is restricted on non-transformable B lymphocytes
J Gosselin1, M Desrosiers, G Mercier
1Centre de Recherche en Immunologie, Institut Armand-Frappier, Ville de Laval, Québec, Canada.
Immunology Letters
|May 1, 1988
Summary
Researchers discovered that B cells from two donors resisted Epstein-Barr virus (EBV) immortalization. Tac antigen expression was significantly reduced in these resistant B cells, suggesting a genetic basis for EBV resistance.
Area of Science:
- Immunology
- Virology
- Genetics
Background:
- Epstein-Barr virus (EBV) is known to immortalize B lymphocytes.
- Variability exists in the susceptibility of individuals' B cells to EBV-induced immortalization.
- The molecular mechanisms underlying resistance to EBV immortalization are not fully understood.
Purpose of the Study:
- To investigate potential differences in B cells from individuals resistant to EBV immortalization compared to susceptible individuals.
- To explore the role of Tac antigen expression in EBV immortalization resistance.
Main Methods:
- Comparative analysis of B cells from EBV-immortalization-resistant and -susceptible donors.
- Two-color immunofluorescence flow cytometry to quantify cell surface antigen expression.
Main Results:
- B cells from two healthy donors were found to be resistant to EBV immortalization under standard conditions.
- Significantly reduced expression of the Tac antigen was repeatedly observed on EBV-infected B cells from these resistant donors.
- A notable difference in Tac antigen expression was detected when comparing resistant and susceptible B cells.
Conclusions:
- Reduced Tac antigen expression may be a marker associated with resistance to EBV-induced B cell immortalization.
- Genetic factors likely play a role in controlling an individual's susceptibility or resistance to EBV immortalization.
- Further research is warranted to elucidate the precise genetic mechanisms and the functional significance of Tac antigen in EBV-B cell interactions.