{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,7]],"date-time":"2026-09-07T17:29:28Z","timestamp":1788802168950,"version":"build-2803163510"},"reference-count":58,"publisher":"American Society for Microbiology","issue":"5","license":[{"start":{"date-parts":[[2014,9,23]],"date-time":"2014-09-23T00:00:00Z","timestamp":1411430400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-sa\/3.0\/"},{"start":{"date-parts":[[2014,10,31]],"date-time":"2014-10-31T00:00:00Z","timestamp":1414713600000},"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":["mBio"],"published-print":{"date-parts":[[2014,10,31]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n          <jats:p>\n            Kaposi\u2019s sarcoma (KS), caused by KS-associated herpesvirus (KSHV), is the most common cancer among HIV-infected patients in Malawi and in the United States today. In Malawi, KSHV is endemic. We conducted a cross-sectional study of patients with HIV infection and KS with no history of chemo- or antiretroviral therapy (ART). Seventy patients were enrolled. Eighty-one percent had T1 (advanced) KS. Median CD4 and HIV RNA levels were 181\u00a0cells\/mm\n            <jats:sup>3<\/jats:sup>\n            and 138,641 copies\/ml, respectively. We had complete information and suitable plasma and biopsy samples for 66 patients. For 59\/66 (89%) patients, a detectable KSHV load was found in plasma (median, 2,291 copies\/ml; interquartile range [IQR], 741 to 5,623). We utilized a novel KSHV real-time quantitative PCR (qPCR) array with multiple primers per open reading frame to examine KSHV transcription. Seventeen samples exhibited only minimal levels of KSHV mRNAs, presumably due to the limited number of infected cells. For all other biopsy samples, the viral latency locus (LANA, vCyc, vFLIP, kaposin, and microRNAs [miRNAs]) was transcribed abundantly, as was K15 mRNA. We could identify two subtypes of treatment-naive KS: lesions that transcribed viral RNAs across the length of the viral genome and lesions that displayed only limited transcription restricted to the latency locus. This finding demonstrates for the first time the existence of multiple subtypes of KS lesions in HIV- and KS-treatment naive patients.\n          <\/jats:p>\n          <jats:p>\n            <jats:bold>IMPORTANCE<\/jats:bold>\n            KS is the leading cancer in people infected with HIV worldwide and is causally linked to KSHV infection. Using viral transcription profiling, we have demonstrated the existence of multiple subtypes of KS lesions for the first time in HIV- and KS-treatment-naive patients. A substantial number of lesions transcribe mRNAs which encode the viral kinases and hence could be targeted by the antiviral drugs ganciclovir or AZT in addition to chemotherapy.\n          <\/jats:p>","DOI":"10.1128\/mbio.01633-14","type":"journal-article","created":{"date-parts":[[2014,9,24]],"date-time":"2014-09-24T05:12:26Z","timestamp":1411535546000},"update-policy":"https:\/\/doi.org\/10.1128\/asmj-crossmark-policy-page","source":"Crossref","is-referenced-by-count":73,"title":["Viral Profiling Identifies Multiple Subtypes of Kaposi\u2019s Sarcoma"],"prefix":"10.1128","volume":"5","author":[{"given":"Mina C.","family":"Hosseinipour","sequence":"first","affiliation":[{"name":"Center for Infectious Diseases and Department of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA"},{"name":"UNC Project, Lilongwe, Malawi"},{"name":"Program in Global Oncology, Lineberger Comprehensive Cancer Center and Center for AIDS Research (CfAR), University of 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