IMR Press / FBL / Volume 13 / Issue 4 / DOI: 10.2741/2762

Frontiers in Bioscience-Landmark (FBL) is published by IMR Press from Volume 26 Issue 5 (2021). Previous articles were published by another publisher on a subscription basis, and they are hosted by IMR Press on imrpress.com as a courtesy and upon agreement with Frontiers in Bioscience.

Open Access Article
The effects of illicit drugs on the HIV infected brain
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1 Division of Pathology (Neuropathology), University of Edinburgh, Alexander Donald Building, Western General Hospital, Edinburgh, EH4 2XU, UK
2 Forensic Medicine Unit, University of Edinburgh, 1st Floor, Wilkie Building, Teviot Place, Edinburgh, EH8 9AG, UK
3 Virus Evolution Group, Centre for Infectious Diseases, University of Edinburgh, Summerhall, Edinburgh, EH9 1QH

Academic Editor: Randall Davis

Front. Biosci. (Landmark Ed) 2008, 13(4), 1294–1307; https://doi.org/10.2741/2762
Published: 1 January 2008
(This article belongs to the Special Issue Neuroinflammation: modulation by drugs of abuse)
Abstract

Evidence accumulating from clinical observations, neuroimaging and neuropathological studies suggests that illicit drug abuse accentuates the adverse effects of HIV on the central nervous system (CNS). Experimental investigation in cell culture models supports this conclusion. Injecting drug abuse is also a risk factor for the acquisition of HIV infection, the incidence of which continues to rise in intravenous drug users (IVDU) even in countries with access to effective therapy. In order to understand the interactions of drug abuse and HIV infection, it is necessary to examine the effects of each insult in isolation before looking for their combined effects. This review traces progress in understanding the pathogenesis of HIV related CNS disorders before the introduction of effective therapy and compares the state of our knowledge now that effective therapy has significantly modified disease progression. The additional impact of intravenous drug abuse on HIV-associated brain disease, then and now, is also reviewed. Predictions for the future are discussed, based on what is known at present and on recently emerging data.

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