期刊
JAIDS-JOURNAL OF ACQUIRED IMMUNE DEFICIENCY SYNDROMES
卷 31, 期 -, 页码 S62-S69出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/00126334-200210012-00006
关键词
brain; dementia; HIV; cocaine; methamphetamine; dopa-mine; heroin
资金
- NIDA NIH HHS [R01 DA013137-03, R01 DA013137] Funding Source: Medline
In certain populations around the world, the HIV pandemic is being driven by drug-abusing populations. Mounting evidence suggests that these patient populations have accelerated and more severe neurocognitive dysfunction compared with non-drug-abusing HIV-infected populations. Because most drugs of abuse are central nervous system stimulants, it stands to reason that these drugs may synergize with neurotoxic substances released during the course of HIV infection. Clinical and laboratory evidence suggests that the dopaminergic systems are most vulnerable to such combined neurotoxicity. Identifying common mechanisms of neuronal injury is critical to developing therapeutic strategies for drug-abusing HIV-infected populations. This article reviews 1) the current evidence for neurodegeneration in the setting of combined HIV infection and use of methamphetamine, cocaine, heroin or alcohol; 2) the proposed underlying mechanisms involved in this combined neurotoxicity; and 3) future directions for research. This article also suggests therapeutic approaches based on our current understanding of the neuropathogenesis of dementia due to HIV infection and drugs of abuse.
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