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[Mycoplasmas and AIDS]

S Coronato1

  • 1Cátedra de Patología II, Facultad de Medicina, Universidad Nacional de La Plata, Argentina.

Revista Argentina De Microbiologia
|July 1, 1997
PubMed
Summary

Mycoplasma may play a role in Acquired Immunodeficiency Syndrome (AIDS) progression. These bacteria might exacerbate CD4+ T lymphocyte depletion, a hallmark of HIV infection, potentially influencing disease development.

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Area of Science:

  • Immunology
  • Microbiology
  • Infectious Diseases

Background:

  • Acquired Immunodeficiency Syndrome (AIDS) is characterized by severe immunodeficiency, primarily due to CD4+ T lymphocyte depletion.
  • The exact mechanisms driving CD4+ T lymphocyte depletion in AIDS remain incompletely understood.
  • Mycoplasma has been investigated for its potential role in AIDS pathogenesis since 1986.

Purpose of the Study:

  • To explore the potential role of Mycoplasma as a cofactor in the etiopathology of AIDS.
  • To investigate proposed mechanisms for Mycoplasma-HIV synergism in disease progression.

Main Methods:

  • Review of in vivo and in vitro experimental evidence regarding Mycoplasma and AIDS.
  • Analysis of theoretical models suggesting Mycoplasma's influence on lymphocyte activation and cytokine release.

Main Results:

  • Controversial in vivo and in vitro data suggest Mycoplasma may contribute to AIDS pathogenesis.
  • A proposed mechanism involves Mycoplasma translocation to various body sites, proliferation under HIV-induced immune dysfunction, and superantigen-like T-cell activation.
  • Mycoplasma-induced cytokine release may impact disease progression.

Conclusions:

  • Mycoplasma is hypothesized to act as a cofactor, potentially exacerbating CD4+ T lymphocyte depletion in HIV infection.
  • Mycoplasma may induce chronic T-lymphocyte activation, leading to apoptosis and influencing AIDS progression.
  • Further research is needed to clarify the complex interactions between Mycoplasma and HIV.

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