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Related Experiment Videos

Hormonal modulation of Epstein-Barr virus replication

R Glaser1, L A Kutz, R C MacCallum

  • 1Department of Medical Microbiology and Immunology, College of Medicine, Ohio State University, Columbus 43210, USA.

Neuroendocrinology
|October 1, 1995
PubMed
Summary
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Psychological stress can reactivate latent Epstein-Barr virus (EBV). This study confirms that stress hormones like hydrocortisone and dexamethasone can trigger EBV reactivation and replication in cells.

Area of Science:

  • Virology
  • Endocrinology
  • Immunology

Background:

  • Psychological stress is linked to herpesvirus reactivation.
  • Glucocorticoids, or stress hormones, are known to potentially reactivate latent Epstein-Barr virus (EBV) in vitro.
  • Previous research indicates a connection between stress hormones and EBV reactivation.

Purpose of the Study:

  • To confirm the reactivation of latent Epstein-Barr virus (EBV) by glucocorticoid hormones.
  • To investigate the effects of other hypothalamic-pituitary-axis hormones on EBV replication.
  • To explore the role of endocrine interactions in stress-induced EBV reactivation.

Main Methods:

  • Using latently infected lymphoblastoid cells to test reactivation.
  • Treating cells with hydrocortisone and dexamethasone.

Related Experiment Videos

  • Assessing the impact of corticotropin-releasing factor, adrenocorticotropin hormone, epinephrine, norepinephrine, and somatostatin on EBV replication.

    • Main Results:

    • Hydrocortisone and dexamethasone confirmed reactivation of the EBV genome in latently infected cells.
    • Corticotropin-releasing factor, adrenocorticotropin hormone, and somatostatin enhanced lytic replication of EBV.
    • Epinephrine and norepinephrine did not show an effect on EBV replication in this study.

    Conclusions:

    • Glucocorticoids effectively reactivate latent EBV.
    • Multiple hormones from the hypothalamic-pituitary-axis, along with somatostatin, can enhance EBV replication.
    • These findings suggest complex endocrine interactions contribute to stress-induced EBV reactivation and replication.