ReviewThe Brazilian journal of infectious diseases : an official publication of the Brazilian Society of Infectious Diseases
Molecular factors associated with lung cancer in people living with HIV.
Review in The Brazilian journal of infectious diseases : an official publication of the Brazilian Society of Infectious Diseases. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Lung cancer is the most common Non-AIDS-Defining Cancer (NADC) and a leading cause of cancer-related death in People Living With HIV (PLWH). Despite antiretroviral therapy, PLWH are at higher risk of developing cancer compared to the general population. This increased susceptibility reflects a combination of immunosuppression, chronic inflammation, smoking, and direct oncogenic effects of HIV proteins. Tat, gp120, and Nef modulate cell cycle control, apoptosis, epithelial-mesenchymal transition, angiogenesis, and immune evasion. Persistent HIV reservoirs in lung tissue (mainly effector memory CD4⁺ T-cells and alveolar macrophages) sustain local immune dysregulation. Extracellular vesicles carrying viral proteins or nucleic acids activate oncogenic pathways, while HIV integration disrupts tumor suppressor genes such as PTEN and induces epigenetic silencing of regulators like P16
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