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Related Experiment Videos

Chlamydia and programmed cell death.

Isao Miyairi1, Gerald I Byrne

  • 1Department of Molecular Sciences, University of Tennessee Health Science Center, 858 Madison Ave, Memphis, TN 38163, USA.

Current Opinion in Microbiology
|January 13, 2006
PubMed
Summary
This summary is machine-generated.

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Chlamydia can induce host cell death through apoptosis, a programmed cell death process, but also inhibits it for survival. This bacterium

Area of Science:

  • Cell biology
  • Microbiology
  • Immunology

Background:

  • Conflicting data exist on Chlamydia's role in inducing host cell death.
  • Apoptosis, a programmed cell death, is a complex process involving specific protein pathways.

Purpose of the Study:

  • To investigate the mechanisms by which Chlamydia influences host cell death.
  • To clarify the role of apoptosis in Chlamydia infections and pathogenesis.

Main Methods:

  • Evaluation of apoptosis using various methods.
  • Analysis of caspase-dependent and -independent pathways.
  • Assessment of Chlamydia's impact on pro-apoptotic proteins.

Main Results:

  • Apoptotic and non-apoptotic cell death occur late in Chlamydia's productive growth cycle.

Related Experiment Videos

  • Chlamydia inhibits apoptosis during productive and persistent growth for intracellular survival.
  • Proteolytic degradation of BH3-only proteins contributes to apoptosis inhibition.
  • Chlamydia induces apoptosis in T cells, suggesting an immunomodulatory role.

    • Conclusions:

    • Chlamydia exhibits a complex interaction with host cell apoptosis, inhibiting it for survival but also utilizing it for immune modulation.
    • Apoptosis plays a significant role in chlamydial infections and disease pathogenesis.
    • Further research is needed to fully understand apoptosis's contribution to disease.