期刊
JOURNAL OF INFECTIOUS DISEASES
卷 192, 期 6, 页码 1088-1092出版社
UNIV CHICAGO PRESS
DOI: 10.1086/432917
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资金
- NIAID NIH HHS [AI48235] Funding Source: Medline
The question of whether viruses persist after apparent clearance of infection remains unanswered. Here, we describe a patient with hypogammaglobulinemia whose acute hepatitis C virus (HCV) infection appeared to resolve after receipt of interferon therapy, relapse immediately, and then clear spontaneously - only to relapse after receipt of corticosteroid therapy, and clear again, 8.5 years later. Sequencing indicated that the viruses detected during each relapse were virtually identical, with the hypervariable region 1 of E2 appearing to be monoclonal, which is typical of patients with hypogammaglobulinemia. Nonstructural 5A sequences exhibited quasispecies diversity initially but, after 8.5 years, had become monoclonal. The prolonged period of negativity for HCV RNA followed by relapse suggests that HCV may persist in apparent sustained viral responders.
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