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Related Experiment Video

Updated: Jun 5, 2026

Establishment of the Dual Humanized TK-NOG Mouse Model for HIV-associated Liver Pathogenesis
10:12

Establishment of the Dual Humanized TK-NOG Mouse Model for HIV-associated Liver Pathogenesis

Published on: September 11, 2019

HIV-associated nephropathy: experimental models.

Carmen Avila-Casado, Teresa I Fortoul, Sumant S Chugh

    Contributions to Nephrology
    |January 22, 2011
    PubMed
    Summary
    This summary is machine-generated.

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    HIV-associated nephropathy (HIVAN) is a severe kidney disease in AIDS patients, particularly affecting Black populations. Research suggests common pathogenic mechanisms between HIVAN and collapsing glomerulopathy, potentially involving viral effects and host responses.

    Area of Science:

    • Nephrology
    • Virology
    • Immunology

    Background:

    • Renal involvement is reported in AIDS patients, with HIV-associated nephropathy (HIVAN) being a common cause of renal failure.
    • HIVAN, characterized by focal and segmental glomerulosclerosis (FSGS) and tubulointerstitial disease, is more severe in Black populations.
    • Collapsing glomerulopathy (CG) shares histopathological similarities with HIVAN, suggesting common underlying mechanisms.

    Purpose of the Study:

    • To explore the pathogenesis of HIVAN and its relationship with collapsing glomerulopathy.
    • To investigate the role of viral factors and host responses in the development of HIVAN.
    • To elucidate potential common mechanisms between HIVAN and idiopathic collapsing glomerulopathy.

    Main Methods:

    • Review of literature on renal diseases in AIDS patients.

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    Published on: December 3, 2019

  • Analysis of histopathological findings in HIVAN and CG.
  • Utilizing HIV-1 transgenic mouse models to study viral-host interactions in the kidney.
  • In vitro studies exposing human glomerular cells to HIV-1.
  • Investigating circulating factors in a rat model of CG.

    • Main Results:

    • HIVAN involves FSGS, glomerular collapse, and podocyte hyperplasia, with significant tubulointerstitial damage.
    • HIV-1 transgenic mouse models demonstrate a direct link between viral expression in the kidney and HIVAN development.
    • Evidence suggests a direct effect of HIV on renal cells, possibly through viral proteins or infection.
    • Collapsing glomerulopathy may share pathogenic pathways with HIVAN, potentially involving podocyte injury.
    • Circulating factors in CG patients can induce proteinuria and podocyte damage in a rat model.

    Conclusions:

    • Common pathogenic mechanisms likely exist between HIVAN and collapsing glomerulopathy, centered on podocyte injury.
    • Host response and viral factors, including potential renotropic strains of HIV-1, play critical roles in HIVAN pathogenesis.
    • Further research is needed to fully understand the viral-host interactions and circulating factors involved in these nephropathies.