{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,30]],"date-time":"2025-10-30T11:25:42Z","timestamp":1761823542600},"reference-count":59,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2013,2,15]],"date-time":"2013-02-15T00:00:00Z","timestamp":1360886400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Alcoholism Clin &amp;amp; Exp Res"],"published-print":{"date-parts":[[2013,6]]},"abstract":"<jats:sec><jats:title>Background<\/jats:title><jats:p>Opportunistic infections in human immunodeficiency virus (<jats:styled-content style=\"fixed-case\">HIV<\/jats:styled-content>)\u2010infected persons have been shown to increase the rate of <jats:styled-content style=\"fixed-case\">HIV<\/jats:styled-content> replication. In populations where prophylaxis against <jats:italic><jats:styled-content style=\"fixed-case\">P<\/jats:styled-content>neumocystis<\/jats:italic> pneumonia is utilized, bacterial pneumonia is now the leading cause of lower respiratory tract infection in <jats:styled-content style=\"fixed-case\">HIV<\/jats:styled-content>+ patients. Our prior studies have shown that chronic alcohol consumption in demarcated simian immunodeficiency virus (<jats:styled-content style=\"fixed-case\">SIV<\/jats:styled-content>)\u2010infected rhesus macaques increases plasma viral load set point and accelerates progression to end\u2010stage acquired immune deficiency syndrome. While chronic alcohol abuse is well known to increase the incidence and severity of bacterial pneumonia, the impact of alcohol consumption on local and systemic <jats:styled-content style=\"fixed-case\">SIV<\/jats:styled-content>\/<jats:styled-content style=\"fixed-case\">HIV<\/jats:styled-content> burden during lung infection is unknown. Therefore, we utilized the macaque <jats:styled-content style=\"fixed-case\">SIV<\/jats:styled-content> infection model to examine the effect of chronic ethanol (<jats:styled-content style=\"fixed-case\">E<\/jats:styled-content>t<jats:styled-content style=\"fixed-case\">OH<\/jats:styled-content>) feeding on <jats:styled-content style=\"fixed-case\">SIV<\/jats:styled-content> burden during the course of pulmonary infection with <jats:italic><jats:styled-content style=\"fixed-case\">S<\/jats:styled-content>treptococcus pneumoniae<\/jats:italic>, the most commonly identified etiology of bacterial pneumonia in <jats:styled-content style=\"fixed-case\">HIV<\/jats:styled-content>+ and <jats:styled-content style=\"fixed-case\">HIV<\/jats:styled-content>\u2212 persons in developed countries.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Alcohol was administered starting 3\u00a0months before <jats:styled-content style=\"fixed-case\">SIV<\/jats:styled-content>mac251 inoculation to the end of the study via an indwelling intragastric catheter to achieve a plasma alcohol concentration of 50 to 60\u00a0mM. Control animals received isocaloric sucrose. Four months after <jats:styled-content style=\"fixed-case\">SIV<\/jats:styled-content> infection, the right lung was inoculated with 2\u00a0\u00d7\u00a010<jats:sup>6<\/jats:sup> <jats:styled-content style=\"fixed-case\">CFU <\/jats:styled-content><jats:italic>S.\u00a0pneumoniae<\/jats:italic>.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Leukocyte recruitment into the lung, pulmonary bacterial clearance, and clinical course were similar between <jats:styled-content style=\"fixed-case\">E<\/jats:styled-content>t<jats:styled-content style=\"fixed-case\">OH<\/jats:styled-content> and control groups. While plasma <jats:styled-content style=\"fixed-case\">SIV<\/jats:styled-content> viral load was similar between groups postpneumonia, chronic <jats:styled-content style=\"fixed-case\">E<\/jats:styled-content>t<jats:styled-content style=\"fixed-case\">OH<\/jats:styled-content>\u2010fed macaques showed a prolonged increase in <jats:styled-content style=\"fixed-case\">SIV RNA<\/jats:styled-content> in bronchoalveolar lavage fluid. Alveolar macrophages isolated from <jats:styled-content style=\"fixed-case\">E<\/jats:styled-content>t<jats:styled-content style=\"fixed-case\">OH<\/jats:styled-content>\u2010fed macaques 1\u00a0day post\u2010pneumonia showed greater nuclear factor kappa beta (<jats:styled-content style=\"fixed-case\">NF<\/jats:styled-content>\u2010<jats:styled-content style=\"fixed-case\">\u03baB<\/jats:styled-content>) activation.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>This study indicates that chronic <jats:styled-content style=\"fixed-case\">E<\/jats:styled-content>t<jats:styled-content style=\"fixed-case\">OH<\/jats:styled-content> feeding results in enhanced local, but not systemic, <jats:styled-content style=\"fixed-case\">SIV<\/jats:styled-content> replication following pneumococcal pneumonia. Increased <jats:styled-content style=\"fixed-case\">NF<\/jats:styled-content>\u2010<jats:styled-content style=\"fixed-case\">\u03baB<\/jats:styled-content> activity in the setting of chronic <jats:styled-content style=\"fixed-case\">E<\/jats:styled-content>t<jats:styled-content style=\"fixed-case\">OH<\/jats:styled-content> ingestion may play a mechanistic role in this observation.<\/jats:p><\/jats:sec>","DOI":"10.1111\/acer.12070","type":"journal-article","created":{"date-parts":[[2013,2,15]],"date-time":"2013-02-15T17:41:19Z","timestamp":1360950079000},"page":"969-977","source":"Crossref","is-referenced-by-count":13,"title":["Effect of Bacterial Pneumonia on Lung Simian Immunodeficiency Virus (SIV) Replication in Alcohol Consuming <scp>SIV<\/scp>\u2010Infected Rhesus Macaques"],"prefix":"10.1111","volume":"37","author":[{"given":"Steve","family":"Nelson","sequence":"first","affiliation":[{"name":"Department of Medicine  LSU Health Sciences Center New Orleans 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