Cited by 36Cervical Cancer and HPV ResearchColorectal and Anal CarcinomasHIV Research and Treatment

Human papillomavirus 16-specific T-cell responses and spontaneous regression of anal high-grade squamous intraepithelial lesions.

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Tong, Winnie W. Y., Shepherd, Kelsee, Garland, Suzanne, Meagher, Alan, Templeton, David J., Fairley, Christopher K., Jin, Fengyi, Poynten, I. Mary +5 more·2015·Journal of Infectious Diseases

Abstract

BACKGROUND: Most anal cancers are attributable to persistent human papillomavirus type 16 (HPV-16) infection. The anal cancer precursor, high-grade squamous intraepithelial lesion (HSIL), frequently regresses spontaneously. We hypothesized that T-cell responses are associated with HSIL regression. METHODS: In men who have sex with men undergoing anal cytology and high-resolution anoscopy, we measured responses to HPV-16 oncogenic proteins E6 and E7, using the CD25/CD134 assay for CD4(+) antigen-specific T cells and intracellular cytokine staining for CD4(+) and CD8(+) antigen-specific T cells. RESULTS: Of 134 participants (mean [SD] age, 51 [9.3] years; 31 [23.1%] infected with human immunodeficiency virus), 51 (38.1%) had HSIL. E6- and E7-specific CD4(+) T-cell responses were detected in 80 (59.7%) and 40 (29.9%) of the participants, respectively, and E6- and E7-specific CD8(+) T-cell responses were each detected in 25 (18.7%). HSIL was significantly associated with E7-specific CD8(+) T-cell responses (odds ratio, 4.09 [95% confidence interval, 1.55-10.77], P = .004), but not with any CD4(+) T-cell response (P ≥ .09). Twenty-six participants had HSIL a mean of 1 year before measurement of T-cell responses, and 6 (23%) of them were regressors. Five regressors (83%) had E6-specific CD4(+) T-cell responses vs 7 of 20 (35%) nonregressors (Pexact = .065). CONCLUSIONS: Systemic HPV-16 E6- and E7-specific T-cell responses were common in men who have sex with men. E6-specific CD4(+) T-cell responses may be associated with recent HSIL regression. CLINICAL TRIALS REGISTRATION: NCT02007421.

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  2. Solomon D, Davey D, Kurman R, et al. The 2001 Bethesda System: ter- minology for reporting results of cervical cytology. JAMA 2002; 287:2114-9.

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Authors
Tong, W. W. Y., Shepherd, K., Garland, S., Meagher, A., Templeton, D. J., Fairley, C. K., Jin, F., Poynten, I. M., Zaunders, J., Hillman, R. J., Grulich, A. E., Kelleher, A. D., & Carr, A.
Affiliations
  • St Vincent's Hospital Sydney (AU)
  • Royal Women's Hospital (AU)
  • Royal Prince Alfred Hospital (AU)
  • The University of Melbourne (AU)
  • UNSW Sydney (AU)
  • The University of Sydney (AU)
Venue
Journal of Infectious Diseases
Published
2014-08-19
Volume
211
Issue
3
Pages
405-415
ISSN
  • 0022-1899 (ISSN-L)
  • 1537-6613
OpenAlex
W2153992214
Cited by
36
References
51
Citations by year
2026: 2 · 2025: 2 · 2024: 2 · 2023: 4 · 2022: 4 · 2021: 7 · 2020: 3 · 2019: 1 · 2018: 1 · 2017: 4 · 2016: 4 · 2015: 2
FWCI
2.52
Type
journal article
Language
en
Open access
Locations
  • The Journal of Infectious Diseases (publishedVersion)
  • PubMed (publishedVersion)
  • UNSWorks (UNSW Sydney) (submittedVersion, cc-by-nc-nd)
  • UNSWorks (University of New South Wales, Sydney, Australia) (submittedVersion, cc-by-nc-nd)
Topics
  • Health Sciences › Medicine › Epidemiology › Cervical Cancer and HPV Research
  • Health Sciences › Medicine › Surgery › Colorectal and Anal Carcinomas
  • Life Sciences › Immunology and Microbiology › Virology › HIV Research and Treatment
Keywords
HPV16, high-grade squamous intraepithelial lesion, anal intraepithelial neoplasia, spontaneous regression, E7 antigen, CD4+ T cells, CD8+ T cells, men who have sex with men, HIV infection
MeSH terms
Anal Canal, Anus Neoplasms, Uterine Cervical Neoplasms, Female, Humans, Male, Middle Aged, Oncogene Proteins, Viral, Repressor Proteins, CD4-Positive T-Lymphocytes, CD8-Positive T-Lymphocytes, Homosexuality, Male, Papillomavirus Infections, Papillomavirus E7 Proteins, Human papillomavirus 16, Squamous Intraepithelial Lesions of the Cervix

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