Chronic alcohol consumption results in higher simian immunodeficiency virus replication in mucosally inoculated rhesus macaques. 2005

Bhawna Poonia, and Steve Nelson, and Greg J Bagby, and Ping Zhang, and Lee Quniton, and Ronald S Veazey
Division of Comparative Pathology, Tulane National Primate Research Center, Covington, LA 70433, USA.

The influence of alcohol consumption on HIV pathogenesis is not well understood. In this study we used the simian immunodeficiency virus (SIV)/macaque model of HIV infection to study the influence of chronic binge alcohol consumption on SIV infection. Rhesus macaques were fed alcohol or isocaloric amounts of sucrose via indwelling intragastric catheters and then inoculated with SIVmac251 by the rectal route. Real-time RT-PCR for SIV gag mRNA showed significantly higher plasma viral copies in alcohol-consuming macaques at 4 and 6 weeks pi, compared with sucrose controls. The viral copies were 1 to 2 logs higher in these animals. The percentage of CD8+ lymphocytes in the duodenum of alcohol-consuming macaques was significantly lower than in sucrose-consuming macaques both before infection as well as at different time points postinfection. Also, the percentage of CD4(+)CD3+ lymphocytes in the intestines was significantly higher in alcohol-consuming macaques before infection. These findings suggest that a higher percentage of SIV target cells (CD4) in the gut coupled with lower percentages of CD8 cells, which could be important in controlling virus replication, may be responsible for the higher SIV loads observed in alcohol-consuming macaques.

UI MeSH Term Description Entries
D008253 Macaca mulatta A species of the genus MACACA inhabiting India, China, and other parts of Asia. The species is used extensively in biomedical research and adapts very well to living with humans. Chinese Rhesus Macaques,Macaca mulatta lasiota,Monkey, Rhesus,Rhesus Monkey,Rhesus Macaque,Chinese Rhesus Macaque,Macaca mulatta lasiotas,Macaque, Rhesus,Rhesus Macaque, Chinese,Rhesus Macaques,Rhesus Macaques, Chinese,Rhesus Monkeys
D008297 Male Males
D000285 Administration, Rectal The insertion of drugs into the rectum, usually for confused or incompetent patients, like children, infants, and the very old or comatose. Anal Drug Administration,Drug Administration, Rectal,Instillation, Rectal,Rectal Drug Administration,Drug Administration, Anal,Rectal Administration,Administration, Anal Drug,Administration, Rectal Drug,Administrations, Anal Drug,Administrations, Rectal,Administrations, Rectal Drug,Anal Drug Administrations,Drug Administrations, Anal,Drug Administrations, Rectal,Instillations, Rectal,Rectal Administrations,Rectal Drug Administrations,Rectal Instillation,Rectal Instillations
D000431 Ethanol A clear, colorless liquid rapidly absorbed from the gastrointestinal tract and distributed throughout the body. It has bactericidal activity and is used often as a topical disinfectant. It is widely used as a solvent and preservative in pharmaceutical preparations as well as serving as the primary ingredient in ALCOHOLIC BEVERAGES. Alcohol, Ethyl,Absolute Alcohol,Grain Alcohol,Alcohol, Absolute,Alcohol, Grain,Ethyl Alcohol
D000437 Alcoholism A primary, chronic disease with genetic, psychosocial, and environmental factors influencing its development and manifestations. The disease is often progressive and fatal. It is characterized by impaired control over drinking, preoccupation with the drug alcohol, use of alcohol despite adverse consequences, and distortions in thinking, most notably denial. Each of these symptoms may be continuous or periodic. (Morse & Flavin for the Joint Commission of the National Council on Alcoholism and Drug Dependence and the American Society of Addiction Medicine to Study the Definition and Criteria for the Diagnosis of Alcoholism: in JAMA 1992;268:1012-4) Alcohol Abuse,Alcoholic Intoxication, Chronic,Ethanol Abuse,Alcohol Addiction,Alcohol Dependence,Alcohol Use Disorder,Abuse, Alcohol,Abuse, Ethanol,Addiction, Alcohol,Alcohol Use Disorders,Chronic Alcoholic Intoxication,Dependence, Alcohol,Intoxication, Chronic Alcoholic,Use Disorders, Alcohol
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D012367 RNA, Viral Ribonucleic acid that makes up the genetic material of viruses. Viral RNA
D014779 Virus Replication The process of intracellular viral multiplication, consisting of the synthesis of PROTEINS; NUCLEIC ACIDS; and sometimes LIPIDS, and their assembly into a new infectious particle. Viral Replication,Replication, Viral,Replication, Virus,Replications, Viral,Replications, Virus,Viral Replications,Virus Replications
D015302 Simian Immunodeficiency Virus Species of the genus LENTIVIRUS, subgenus primate immunodeficiency viruses (IMMUNODEFICIENCY VIRUSES, PRIMATE), that induces acquired immunodeficiency syndrome in monkeys and apes (SAIDS). The genetic organization of SIV is virtually identical to HIV. SIV (Simian immunodeficiency virus),Immunodeficiency Viruses, Simian,Simian Immunodeficiency Viruses,Immunodeficiency Virus, Simian
D016097 Simian Acquired Immunodeficiency Syndrome Acquired defect of cellular immunity that occurs naturally in macaques infected with SRV serotypes, experimentally in monkeys inoculated with SRV or MASON-PFIZER MONKEY VIRUS; (MPMV), or in monkeys infected with SIMIAN IMMUNODEFICIENCY VIRUS. AIDS, Simian,SAIDS,Simian AIDS,Simian Acquired Immune Deficiency Syndrome,Simian Acquired Immuno-Deficiency Syndrome,AIDSs, Simian,Simian AIDSs,Simian Acquired Immuno Deficiency Syndrome

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