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| SUBCLINICAL VARICELLA-ZOSTER VIRUS VIREMIA, HERPES-ZOSTER, AND LYMPHOCYTE-T IMMUNITY TO VARICELLA-ZOSTER VIRAL-ANTIGENS AFTER BONE-MARROW TRANSPLANTATION |
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| Author(s): WILSON A, SHARP M, KOROPCHAK CM, TING SF, ARVIN AM |
| Source: JOURNAL OF INFECTIOUS DISEASES Volume: 165 Issue: 1 Pages: 119-126 Published: JAN 1992 |
| Times Cited: 92 References: 41 |
| Abstract: Bone marrow transplant (BMT) recipients were evaluated for subclinical varicella-zoster virus (VZV) viremia and symptoms of herpes zoster after transplantation. Viremia was demonstrated by testing peripheral blood mononuclear cells using polymerase chain reaction and was documented in 19% of 37 patients. When reactivation was defined as herpes zoster and/or subclinical VZV viremia, 41% of VZV-seropositive BMT recipients experienced VZV reactivation. None of 12 patients tested before VZV reactivation had T lymphocyte proliferation to VZV antigen (mean stimulation index, 1.0 +/- 0.42 [SD] at < 100 days; 12.0 +/- 6.03 at > 100 days [P = .003]). Among patients tested at > 100 days, 5 (63%) of 8 with detectable T cell proliferation had subclinical or clinical VZV reactivation compared with none of 6 who lacked VZV T cell responses. Recovery of VZV-specific cytotoxic T lympocyte function was observed in 50% of BMT patients, but BMT recipients had significantly fewer circulating cytotoxic T lymphocytes that recognized VZV immediate early protein (P = .03) or glycoprotein I (P = .004) than did healthy VZV immune subjects. In vivo reexposure to VZV antigens due to subclinical VZV viremia or symptomatic VZV reactivation may explain the recovery of virus-specific T cell immunity after BMT. |
| Document Type: Article |
| Language: English |
Addresses:
1. STANFORD UNIV, MED CTR, SCH MED, DEPT PEDIAT, DIV INFECT DIS, STANFORD, CA 94305 USA |
| Publisher: UNIV CHICAGO PRESS, 5720 S WOODLAWN AVE, CHICAGO, IL 60637 |
| Subject Category: Infectious Diseases |
| IDS Number: GW582 |
| ISSN: 0022-1899 |
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