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Published on: May 30, 2013
Development of HIV encephalitis in AIDS and TNF-alpha regulatory elements
K C Sato-Matsumura1, J Berger, J A Hainfellner
1Institute of Neurology, University of Vienna, Austria.
Journal of Neuroimmunology
|December 10, 1998
Summary
Tumor necrosis factor-alpha (TNF-alpha) polymorphism TNF2 did not correlate with HIV encephalitis (HIVE/LE) in AIDS patients. Viral or other host factors likely drive HIVE/LE development.
Area of Science:
- Neuroimmunology
- Infectious Diseases
- Genetics
Background:
- Tumor necrosis factor-alpha (TNF-alpha) is implicated in HIV encephalitis (HIVE).
- The TNF2 polymorphism of TNF-alpha is linked to elevated TNF-alpha levels and severe infections.
- HIV-associated neuroinflammation, including HIVE and HIV leukoencephalopathy (HIVLE), affects AIDS patients.
Purpose of the Study:
- To investigate the association between the TNF2 polymorphism and the presence of HIVE/LE.
- To examine the TNF-alpha regulatory element (TTATTTAT) in brain tissue of HIVE/LE patients.
- To assess the role of HLA-DR3 in HIVE/LE development.
Main Methods:
- Genotyping for TNF2 polymorphism in AIDS patients.
- Autopsy-proven neuropathological examination for HIVE/LE.
- Analysis of the TNF-alpha regulatory element (TTATTTAT) in brain tissue.
- HLA-DR3 typing.
Main Results:
- The TNF2 polymorphism was not associated with the presence of HIVE/LE (p > 0.5).
- The TTATTTAT regulatory element was intact in HIVE/LE brains.
- HLA-DR3 did not show an association with HIVE/LE.
Conclusions:
- The TNF2 polymorphism is not a significant factor in the development of HIVE/LE.
- Viral factors or other unexamined host factors are more likely responsible for HIVE/LE.
- Further research is needed to elucidate the precise mechanisms underlying HIVE/LE pathogenesis.
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