Zidovudine treatment prolongs survival and decreases virus load in the central nervous system of rhesus macaques infected perinatally with simian immunodeficiency virus. 1995

D M Rausch, and M P Heyes, and E A Murray, and L E Eiden
Section on Molecular Neuroscience, National Institute of Mental Health, National Institutes of Health, Bethesda, MD 20892, USA.

To assess the potential therapeutic effects of zidovudine, rhesus macaques were inoculated with simian immunodeficiency virus (SIV) strain SMM/B670 at birth and infused either continuously or intermittently with zidovudine for 6-7 months. Zidovudine did not prevent infection but did significantly increase survival time, which was associated with lower serum p26 viral core antigen levels, a lower virus burden in the cerebrospinal fluid (CSF), and lower CSF quinolinic acid levels than in untreated monkeys. Two of 5 infected, untreated monkeys developed motor impairment within 6 months following infection, whereas motor impairments did not occur in infected, zidovudine-treated monkeys until after the drug was discontinued. Zidovudine treatment was well tolerated by rhesus infants with minimal, transient side effects. These results demonstrate that zidovudine treatment significantly decreases virus load within the central nervous system (CNS) and delays the onset of CNS dysfunction and immune disease in rhesus monkeys perinatally infected with SIV.

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
D009043 Motor Activity Body movements of a human or an animal as a behavioral phenomenon. Activities, Motor,Activity, Motor,Motor Activities
D002490 Central Nervous System The main information-processing organs of the nervous system, consisting of the brain, spinal cord, and meninges. Cerebrospinal Axis,Axi, Cerebrospinal,Axis, Cerebrospinal,Central Nervous Systems,Cerebrospinal Axi,Nervous System, Central,Nervous Systems, Central,Systems, Central Nervous
D002555 Cerebrospinal Fluid A watery fluid that is continuously produced in the CHOROID PLEXUS and circulates around the surface of the BRAIN; SPINAL CORD; and in the CEREBRAL VENTRICLES. Cerebro Spinal Fluid,Cerebro Spinal Fluids,Cerebrospinal Fluids,Fluid, Cerebro Spinal,Fluid, Cerebrospinal,Fluids, Cerebro Spinal,Fluids, Cerebrospinal,Spinal Fluid, Cerebro,Spinal Fluids, Cerebro
D003643 Death Irreversible cessation of all bodily functions, manifested by absence of spontaneous breathing and total loss of cardiovascular and cerebral functions. End Of Life,End-Of-Life,Near-Death Experience,Cardiac Death,Determination of Death,Death, Cardiac
D005260 Female Females
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
D013997 Time Factors Elements of limited time intervals, contributing to particular results or situations. Time Series,Factor, Time,Time Factor
D014758 Viral Core Proteins Proteins found mainly in icosahedral DNA and RNA viruses. They consist of proteins directly associated with the nucleic acid inside the NUCLEOCAPSID. Core Proteins, Viral,Major Core Protein,Major Core Proteins, Viral,Adenovirus Core Protein VII,Core Protein V,Core Protein lambda 2,Influenza Virus Core Proteins,Major Core Protein lambda 1,Major Core Protein lambda-1,Major Core Protein sigma 2,Major Core Protein sigma-2,OVP 19,Oncornaviral Protein P19,P30 Core Proteins,Viral Protein P19,Virus Core Proteins,Core Protein, Major,Core Proteins, P30,Core Proteins, Virus,Protein P19, Oncornaviral,Protein P19, Viral,Protein, Major Core,Proteins, P30 Core,Proteins, Viral Core,Proteins, Virus Core

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