{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,1]],"date-time":"2026-04-01T08:31:50Z","timestamp":1775032310903,"version":"3.50.1"},"reference-count":43,"publisher":"Frontiers Media SA","license":[{"start":{"date-parts":[[2026,4,1]],"date-time":"2026-04-01T00:00:00Z","timestamp":1775001600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["frontiersin.org"],"crossmark-restriction":true},"short-container-title":["Front. Med."],"abstract":"<jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>While human papillomavirus testing has become the primary screening modality for cervical cancer prevention, its implementation necessitates supplementary triage strategies. The viral oncoproteins E6 and E7, serving as primary mediators of high-risk HPV (hrHPV)-induced carcinogenesis, emerge as viable candidates for this risk stratification. We aimed to examine the clinical diagnostic performance of HPV E6\/E7 immunocytochemical (ICC) assay in exfoliated cervical cells samples, to investigate the feasibility of using it as a potential biomarker in clinical triage algorithms for hrHPV-positive populations.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>We prospectively collected and analyzed 1,005 hrHPV-positive cases from Beijing Obstetrics and Gynecology Hospital, Capital Medical University during September 2023 and March 2025. The diagnostic and triaging performance of HPV E6\/E7 ICC assay were evaluated by sensitivity, specificity, positive predictive values, negative predictive values and operating characteristic curve.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      When used to detect CIN2+, the sensitivity of HPV E6\/E7 ICC detection is (0.88, 95% CI: 0.82\u20130.92), which is better than that of cytological detection (0.609, 95% CI: 0.53\u20130.67),\n                      <jats:italic>\u03c7<\/jats:italic>\n                      <jats:sup>2<\/jats:sup>\n                      \u202f=\u202f26.23,\n                      <jats:italic>p &amp;lt;<\/jats:italic>\n                      0.05; the NPV of. HPV E6\/E7 ICC detection is (0.95, 95% CI: 0.92\u20130.97), which is better than that of cytological detection (0.85, 95% CI: 0.82\u20130.88),\n                      <jats:italic>\u03c7<\/jats:italic>\n                      <jats:sup>2<\/jats:sup>\n                      \u202f=\u202f38.14,\n                      <jats:italic>p\u202f&amp;lt;<\/jats:italic>\n                      \u202f0.05. When the HPV typing test result is 16\/18+,the sensitivity of HPV E6\/E7 ICC detection is (0.93, 95% CI:0.86\u20130.96), which is better than that of cytological detection (0.61, 95% CI:0.52\u20130.70),\n                      <jats:italic>\u03c7<\/jats:italic>\n                      <jats:sup>2<\/jats:sup>\n                      \u202f=\u202f33.47,\n                      <jats:italic>p\u202f&amp;lt;<\/jats:italic>\n                      \u202f0.05; the NPV of HPV E6\/E7 ICC detection is (0.940, 95% CI:0.89\u20130.97), which is better than that of cytological detection (0.81, 95% CI:0.75\u20130.85),\n                      <jats:italic>\u03c7<\/jats:italic>\n                      <jats:sup>2<\/jats:sup>\n                      \u202f=\u202f13.84,\n                      <jats:italic>p\u202f&amp;lt;<\/jats:italic>\n                      \u202f0.05. When the HPV typing test result is other hrHPV type, the sensitivity of HPV E6\/E7 ICC detection is (0.81, 95% CI:0.71\u20130.89), which is better than that of cytological detection (0.75, 95% CI:0.64\u20130.84),\n                      <jats:italic>\u03c7<\/jats:italic>\n                      <jats:sup>2<\/jats:sup>\n                      \u202f=\u202f0.914,\n                      <jats:italic>p<\/jats:italic>\n                      \u202f=\u202f0.339; the NPV of HPV E6\/E7 ICC detection is (0.95, 95% CI:0.92\u20130.97), which is better than that of cytological detection (0.91, 95% CI:0.86\u20130.94),\n                      <jats:italic>\u03c7<\/jats:italic>\n                      <jats:sup>2<\/jats:sup>\n                      \u202f=\u202f4.29,\n                      <jats:italic>p<\/jats:italic>\n                      \u202f=\u202f0.038.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>HPV E6\/E7 ICC assay with high-sensitivity feature may be potential new biomarkers for hrHPV positive women. In addition, its triaging performance is better than that of cytology.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.3389\/fmed.2026.1745006","type":"journal-article","created":{"date-parts":[[2026,4,1]],"date-time":"2026-04-01T05:40:34Z","timestamp":1775022034000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":0,"title":["A prospective observational study on the value of HPV E6\/E7 oncoprotein immunocytochemistry for triaging HPV-positive women"],"prefix":"10.3389","volume":"13","author":[{"given":"Zangyu","family":"Pan","sequence":"first","affiliation":[{"name":"Department of Gynecologic Oncology, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing Maternal and Child Health Care Hospital","place":["Beijing, China"]},{"name":"Laboratory for Clinical Medicine, Capital Medical University","place":["Beijing, China"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Qi","family":"Sun","sequence":"additional","affiliation":[{"name":"Department of Gynecologic Oncology, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing Maternal and Child Health Care Hospital","place":["Beijing, China"]},{"name":"Laboratory for Clinical Medicine, Capital Medical University","place":["Beijing, China"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yixiao","family":"Wang","sequence":"additional","affiliation":[{"name":"Department of Gynecologic Oncology, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing Maternal and Child Health Care Hospital","place":["Beijing, China"]},{"name":"Laboratory for Clinical Medicine, Capital Medical University","place":["Beijing, China"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jiamin","family":"Zhang","sequence":"additional","affiliation":[{"name":"Department of Gynecologic Oncology, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing Maternal and Child Health Care Hospital","place":["Beijing, China"]},{"name":"Laboratory for Clinical Medicine, Capital Medical University","place":["Beijing, China"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yiqun","family":"Zhang","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology, Taihe Hospital","place":["Shiyan, China"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jinwei","family":"Miao","sequence":"additional","affiliation":[{"name":"Department of Gynecologic Oncology, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing Maternal and Child Health Care Hospital","place":["Beijing, China"]},{"name":"Laboratory for Clinical Medicine, Capital Medical University","place":["Beijing, China"]}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1965","published-online":{"date-parts":[[2026,4,1]]},"reference":[{"key":"ref1","doi-asserted-by":"publisher","first-page":"229","DOI":"10.3322\/caac.21834","article-title":"Global cancer statistics 2022: GLOBOCAN estimates of incidence and mortality worldwide for 36 cancers in 185 countries","volume":"74","author":"Bray","year":"2024","journal-title":"CA Cancer J Clin"},{"key":"ref2","first-page":"322","article-title":"Global burden of cervical cancer: current estimates, temporal trend and future projections based on the GLOBOCAN 2022","volume":"5","author":"Wu","year":"2025","journal-title":"J Natl Cancer Cent"},{"key":"ref3","doi-asserted-by":"publisher","first-page":"e19","DOI":"10.1016\/S2468-2667(18)30183-X","article-title":"The projected timeframe until cervical cancer elimination in Australia: a modelling study","volume":"4","author":"Hall","year":"2019","journal-title":"Lancet Public Health"},{"key":"ref4","doi-asserted-by":"publisher","first-page":"30","DOI":"10.1158\/1055-9965.EPI-20-0846","article-title":"Assessing impact of HPV vaccination on cervical cancer incidence among women aged 15-29 years in the United States, 1999-2017: an ecologic study","volume":"30","author":"Mix","year":"2021","journal-title":"Cancer Epidemiol Biomarkers Prev"},{"key":"ref5","doi-asserted-by":"publisher","first-page":"88","DOI":"10.1093\/jnci\/djn444","article-title":"Efficacy of HPV DNA testing with cytology triage and\/or repeat HPV DNA testing in primary cervical cancer screening","volume":"101","author":"Naucler","year":"2009","journal-title":"J Natl Cancer Inst"},{"key":"ref6","doi-asserted-by":"publisher","first-page":"158","DOI":"10.1016\/j.tim.2017.07.007","article-title":"The HPV E6\/E7 oncogenes: key factors for viral carcinogenesis and therapeutic targets","volume":"26","author":"Hoppe-Seyler","year":"2018","journal-title":"Trends Microbiol"},{"key":"ref7","doi-asserted-by":"publisher","first-page":"166","DOI":"10.1002\/ijc.28640","article-title":"Is HPV DNA testing specificity comparable to that of cytological testing in primary cervical cancer screening? 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