DOI: 10.1084/jem.191.9.1499. Analysis of Successful Immune Responses in Persons Infected with Hepatitis C Virus

Analysis of Successful Immune Responses in Persons Infected with Hepatitis C Virus

10.1084/jem.191.9.1499

Crossref journal-article

Rockefeller University Press

The Journal of Experimental Medicine (291)

Abstract

Although hepatitis C virus (HCV) infection is very common, identification of patients during acute infection is rare. Consequently, little is known about the immune response during this critical stage of the disease. We analyzed the T lymphocyte response during and after acute resolving HCV infection in three persons, using interferon (IFN)-γ enzyme-linked immunospot (ELISPOT) and human histocompatibility leukocyte antigen (HLA) peptide tetramer assays. Acute infection was associated with a broadly directed T helper and cytotoxic T lymphocyte (CTL) response, which persisted after resolution of clinical hepatitis and clearance of viremia. At the earliest time point studied, highly activated CTL populations were observed that temporarily failed to secrete IFN-γ, a “stunned” phenotype, from which they recovered as viremia declined. In long-term HCV-seropositive persons, CTL responses were more common in persons who had cleared viremia compared with those with persistent viremia, although the frequencies of HCV-specific CTLs were lower than those found in persons during and after resolution of acute HCV infection. These studies demonstrate a strong and persistent CTL response in resolving acute HCV infection, and provide rationale to explore immune augmentation as a therapeutic intervention in chronic HCV infection.

Bibliography

Lechner, F., Wong, D. K. H., Dunbar, P. R., Chapman, R., Chung, R. T., Dohrenwend, P., Robbins, G., Phillips, R., Klenerman, P., & Walker, B. D. (2000). Analysis of Successful Immune Responses in Persons Infected with Hepatitis C Virus. The Journal of Experimental Medicine, 191(9), 1499â1512.

Authors 10

Franziska Lechner (first)
David K.H. Wong (additional)
P. Rod Dunbar (additional)
Roger Chapman (additional)
Raymond T. Chung (additional)
Paul Dohrenwend (additional)
Gregory Robbins (additional)
Rodney Phillips (additional)
Paul Klenerman (additional)
Bruce D. Walker (additional)

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Dates

Type	When
Created	23 years, 1 month ago (July 26, 2002, 12:48 p.m.)
Deposited	2 years, 1 month ago (July 25, 2023, 6:33 a.m.)
Indexed	6 days, 19 hours ago (Aug. 30, 2025, 12:41 p.m.)
Issued	25 years, 4 months ago (May 1, 2000)
Published	25 years, 4 months ago (May 1, 2000)
Published Online	25 years, 4 months ago (May 1, 2000)
Published Print	25 years, 4 months ago (May 1, 2000)

Funders 0

None

BibTeX

@article{Lechner_2000, title={Analysis of Successful Immune Responses in Persons Infected with Hepatitis C Virus}, volume={191}, ISSN={1540-9538}, url={http://dx.doi.org/10.1084/jem.191.9.1499}, DOI={10.1084/jem.191.9.1499}, number={9}, journal={The Journal of Experimental Medicine}, publisher={Rockefeller University Press}, author={Lechner, Franziska and Wong, David K.H. and Dunbar, P. Rod and Chapman, Roger and Chung, Raymond T. and Dohrenwend, Paul and Robbins, Gregory and Phillips, Rodney and Klenerman, Paul and Walker, Bruce D.}, year={2000}, month=may, pages={1499–1512} }

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