HIV disorders of the brain: pathology and pathogenesis

Luis Del Valle1, Sergio Piña-Oviedo

  • 1Center for Neurovirology and Cancer Biology, Laboratory of Neuropathology and Molecular Pathology, Temple University, Philadelphia, Pennsylvania 19122, USA. lvalle@temple.edu

Insights

Human Immunodeficiency Virus (HIV-1) infection causes AIDS, leading to brain complications like AIDS-Encephalopathy and opportunistic infections. While highly active anti-retroviral therapy (HAART) manages HIV, these neurological conditions remain prevalent.

Area of Science:

  • Neuroscience
  • Infectious Diseases
  • Oncology

Background:

  • HIV-1 infection is a global epidemic, causing AIDS and significant mortality.
  • Highly active anti-retroviral therapy (HAART) has transformed AIDS into a chronic condition.
  • Neuropathological conditions affect 70-90% of AIDS patients, stemming from HIV or opportunistic infections.

Purpose of the Study:

  • To review the pathology and pathophysiology of AIDS-Encephalopathy.
  • To discuss significant opportunistic infections affecting the brain in AIDS patients.
  • To highlight primary CNS lymphoma as an AIDS-defining malignancy.

Main Methods:

  • Literature review of neuropathological conditions in AIDS patients.
  • Analysis of the impact of HIV-1 and opportunistic infections on the central nervous system.
  • Examination of AIDS-defining conditions affecting the brain.

Main Results:

  • AIDS-Encephalopathy is a common complication of HIV-1 infection.
  • Opportunistic infections like PML, Toxoplasmosis, and Cryptococcosis frequently impact the brain in AIDS.
  • Primary CNS lymphoma is a notable brain malignancy associated with HIV-1.

Conclusions:

  • Neuropathological conditions remain a significant challenge in managing AIDS, despite HAART.
  • Understanding these conditions is crucial for comprehensive patient care.
  • Early diagnosis and management of brain complications are vital for improving outcomes in HIV-1 infected individuals.

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