The relationship between ApoE, TNFA, IL1a, IL1b and IL12b genes and HIV-1-associated dementia

Louise A. Pemberton, E. Stone, P. Price, F. Van Bockxmeer, B. J. Brew

Research output: Contribution to journalArticle

36 Citations (Scopus)

Abstract

Objectives: Host genetic factors implicated in AIDS dementia complex (ADC) were studied. Methods: DNA from ADC patients (n = 56), unselected HIV-seropositive patients (n = 112, 171, 185 and 204) and HIV-seronegative controls (n = 204, 60, 60, 96 and 624) were typed for polymorphic loci in genes encoding tumour necrosis factor (TNF)-α, interleukin (IL)-1α, IL-1β, IL-12 and Apolipoprotein E (ApoE). Diagnosis of ADC was based on neurological symptoms, signs and neuroimaging findings with other causes of dementia excluded. Patients selected had ADC stage ≥1 and CD4 counts of <500 cells/μL. Results: Allele 2 of TNFA-308 was more common in ADC patients compared to HIV-positive or HIV-negative controls (P = 0.005, 0.024). No other differences between ADC patients and control groups were significant. Meta-analyses confirmed these results. Conclusions: This study suggests that TNFA-308 allele 2 or an allele in linkage disequilibrium with this locus influences ADC.

Original languageEnglish
Pages (from-to)677-680
Number of pages4
JournalHIV Medicine
Volume9
Issue number8
DOIs
Publication statusPublished - 01 Oct 2008
Externally publishedYes

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