IE63-specific T-cell responses associate with control of subclinical varicella zoster virus reactivation in individuals with malignancies
- PMID: 20087346
- PMCID: PMC2837573
- DOI: 10.1038/sj.bjc.6605542
IE63-specific T-cell responses associate with control of subclinical varicella zoster virus reactivation in individuals with malignancies
Abstract
Background: Reactivation of the varicella zoster virus (VZV) is more common in patients with malignancies; however, the molecular and cellular mechanisms underlying this susceptibility are unclear.
Methods: Using ex vivo interferon-gamma ELISpot assays, we set out to analyse VZV-specific immune responses in a large cohort of patients with malignancies.
Results: We observed that patients with malignancies had impaired VZV-specific T-cell responses, particularly in those with haematological malignancies and breast carcinoma. Immediate-early protein 63 (IE63)-specific T-cell responses were significantly impaired in those with subclinical VZV re-activation.
Conclusions: Our results suggest that T-cell responses to IE63 are important in controlling VZV replication.
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