{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,9,24]],"date-time":"2025-09-24T10:32:12Z","timestamp":1758709932597},"reference-count":45,"publisher":"American Society for Microbiology","issue":"24","license":[{"start":{"date-parts":[[2011,12,15]],"date-time":"2011-12-15T00:00:00Z","timestamp":1323907200000},"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 Virol"],"published-print":{"date-parts":[[2011,12,15]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n          <jats:p>The physiological context of virus-infected cells can markedly affect multiplication and spread of the virus progeny. During persistent infection, the virus exploits the host cell without disturbing its vital functions. However, microenvironmental hypoxia can uncouple this intimate relationship and escalate virus pathogenesis. Accumulating evidence suggests that hypoxia-inducible factor (HIF) modulates gene expression of the viruses that pass through a DNA stage, contain hypoxia-responsive promoter elements, and replicate in the nucleus. Here we show that hypoxia can influence the gene expression and transmission of the cytoplasmic RNA virus lymphocytic choriomeningitis virus (LCMV), which is a neglected human pathogen and teratogen. The MX strain of LCMV, which we used as a model, replicates in a persistent mode in human HeLa cells, fails to produce mature envelope glycoproteins, and spreads through cell-cell contacts in the absence of extracellular infectious virions. Both exposure of MX-infected HeLa cells to chronic hypoxia and gene transfer approaches led to increased virus RNA transcription and higher levels of the viral proteins via a HIF-dependent mechanism. Moreover, hypoxia enhanced the formation of infectious virions capable of transmitting LCMV by cell-free medium. This LCMV \u201creactivation\u201d might have health-compromising consequences in hypoxia-associated situations, such as fetal development and ischemia-related pathologies.<\/jats:p>","DOI":"10.1128\/jvi.00829-11","type":"journal-article","created":{"date-parts":[[2011,9,29]],"date-time":"2011-09-29T02:09:58Z","timestamp":1317262198000},"page":"13069-13076","update-policy":"http:\/\/dx.doi.org\/10.1128\/asmj-crossmark-policy-page","source":"Crossref","is-referenced-by-count":9,"title":["Hypoxia Induces the Gene Expression and Extracellular Transmission of Persistent Lymphocytic Choriomeningitis Virus"],"prefix":"10.1128","volume":"85","author":[{"given":"Jana","family":"Tomaskova","sequence":"first","affiliation":[{"name":"Department of Molecular Medicine, Institute of Virology, Slovak Academy of Sciences, Dubravska cesta 9, 845 05 Bratislava, Slovak Republic"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ingrid","family":"Oveckova","sequence":"additional","affiliation":[{"name":"Department of Molecular Medicine, Institute of Virology, Slovak Academy of Sciences, Dubravska cesta 9, 845 05 Bratislava, Slovak Republic"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Martina","family":"Labudova","sequence":"additional","affiliation":[{"name":"Department of Molecular Medicine, Institute of Virology, Slovak Academy of Sciences, Dubravska cesta 9, 845 05 Bratislava, Slovak Republic"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Lubomira","family":"Lukacikova","sequence":"additional","affiliation":[{"name":"Department of Molecular Medicine, Institute of Virology, Slovak Academy of Sciences, Dubravska cesta 9, 845 05 Bratislava, Slovak Republic"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Katarina","family":"Laposova","sequence":"additional","affiliation":[{"name":"Department of Molecular Medicine, Institute of Virology, Slovak Academy of Sciences, Dubravska cesta 9, 845 05 Bratislava, Slovak Republic"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Juraj","family":"Kopacek","sequence":"additional","affiliation":[{"name":"Department of Molecular Medicine, Institute of Virology, Slovak Academy of Sciences, Dubravska cesta 9, 845 05 Bratislava, Slovak Republic"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Silvia","family":"Pastorekova","sequence":"additional","affiliation":[{"name":"Department of Molecular Medicine, Institute of Virology, Slovak Academy of Sciences, Dubravska cesta 9, 845 05 Bratislava, Slovak Republic"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jaromir","family":"Pastorek","sequence":"additional","affiliation":[{"name":"Department of Molecular Medicine, Institute of Virology, Slovak Academy of Sciences, Dubravska cesta 9, 845 05 Bratislava, Slovak Republic"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"235","reference":[{"key":"e_1_3_2_2_2","doi-asserted-by":"publisher","DOI":"10.1038\/mt.2008.232"},{"key":"e_1_3_2_3_2","doi-asserted-by":"publisher","DOI":"10.1158\/0008-5472.CAN-05-3345"},{"key":"e_1_3_2_4_2","doi-asserted-by":"publisher","DOI":"10.1097\/00006454-199906000-00013"},{"key":"e_1_3_2_5_2","doi-asserted-by":"publisher","DOI":"10.1067\/mob.2002.126297"},{"key":"e_1_3_2_6_2","volume-title":"Viral pathogenesis","author":"Borrow P.","year":"1997","unstructured":"BorrowP. 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