{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,2]],"date-time":"2026-10-02T22:29:31Z","timestamp":1790980171269,"version":"4.1.0"},"reference-count":35,"publisher":"American Society for Microbiology","issue":"2","license":[{"start":{"date-parts":[[2009,2,1]],"date-time":"2009-02-01T00:00:00Z","timestamp":1233446400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.asm.org\/non-commercial-tdm-license"}],"content-domain":{"domain":["journals.asm.org"],"crossmark-restriction":true},"short-container-title":["J Clin Microbiol"],"published-print":{"date-parts":[[2009,2]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:p>\n                    The clinical value of viral load and integration testing for human papillomavirus (HPV) remains unclear. Data on HPV type 18 (HPV18) is limited. We examined the HPV18 viral load and integration status of 78 women with normal cervix or neoplasia. While the crude viral load appeared to increase with lesion severity, the association was not significant after normalization with sample cellularity. Unlike reports for HPV16, the amino-terminal 1 region of HPV18 E2 was most frequently (71.0%) disrupted, representing the best marker for integration. A substantial proportion (57.1%) of invasive cancers harbored only the episomal genome, thus jeopardizing the clinical value of integration testing. A large proportion (41.7%) of normal\/low-grade lesions showed viral integration, suggesting that integration of HPV18 starts early and is unlikely to be a sole determinant for progression. Interpretation of viral load should take into account the form of HPV infection as single infections had significantly higher viral loads than coinfections (\n                    <jats:italic>P<\/jats:italic>\n                    = 0.046). More data generated from routinely collected samples are warranted to verify the clinical value of viral load and integration testing. Viral load quantitation for HPV18 is premature for clinical use at this stage.\n                  <\/jats:p>","DOI":"10.1128\/jcm.01531-08","type":"journal-article","created":{"date-parts":[[2008,11,26]],"date-time":"2008-11-26T21:09:28Z","timestamp":1227733768000},"page":"287-293","update-policy":"https:\/\/doi.org\/10.1128\/asmj-crossmark-policy-page","source":"Crossref","is-referenced-by-count":33,"title":["Analysis of Human Papillomavirus Type 18 Load and Integration Status from Low-Grade Cervical Lesion to Invasive Cervical Cancer"],"prefix":"10.1128","volume":"47","author":[{"given":"Jo L. K.","family":"Cheung","sequence":"first","affiliation":[{"name":"Departments of Microbiology"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tak-Hong","family":"Cheung","sequence":"additional","affiliation":[{"name":"Obstetrics and Gynaecology"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Candy W. Y.","family":"Ng","sequence":"additional","affiliation":[{"name":"Departments of Microbiology"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mei Y.","family":"Yu","sequence":"additional","affiliation":[{"name":"Anatomical and Cellular Pathology"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Martin C. S.","family":"Wong","sequence":"additional","affiliation":[{"name":"Community and Family Medicine, Faculty of Medicine, The Chinese University of Hong Kong, Prince of Wales Hospital, Shatin, New Territories, Hong Kong Special Administrative Region, People's Republic of China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shing-Shun N.","family":"Siu","sequence":"additional","affiliation":[{"name":"Obstetrics and Gynaecology"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"So-Fan","family":"Yim","sequence":"additional","affiliation":[{"name":"Obstetrics and Gynaecology"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Paul K. 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