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Related Experiment Video

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Current and emerging therapies to combat persistent intracellular pathogens.

Philip Arandjelovic1, Marcel Doerflinger1, Marc Pellegrini1

  • 1Division of Infection and Immunity, Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, Australia; Department of Medical Biology, University of Melbourne, Parkville, VIC, Australia.

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Host-directed therapies offer new strategies against intracellular pathogens like HIV and tuberculosis. These approaches target host cell pathways to enhance immune response and overcome treatment challenges.

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Area of Science:

  • Infectious Diseases
  • Immunology
  • Pharmacology

Background:

  • Intracellular pathogens (HIV, HBV, M. tuberculosis) cause significant global mortality.
  • Current treatments face challenges like latency, drug resistance, and inflammation.
  • Need for curative strategies beyond traditional antimicrobials is critical.

Purpose of the Study:

  • To review recent advances in host-directed therapies (HDTs).
  • To highlight HDTs targeting host cell pathways for pathogen eradication or immune augmentation.
  • To discuss the paradigm shift in managing chronic infectious diseases.

Main Methods:

  • Literature review of recent advances in host-directed therapies.
  • Analysis of specific strategies for HIV, tuberculosis, and hepatitis B.
  • Focus on targeting host cell pathways and immune responses.

Main Results:

  • HDTs represent a promising new therapeutic avenue.
  • 'Kick and kill' for HIV latency shows potential.
  • Immunomodulatory compounds and pro-apoptotic agents are effective for TB and HBV.

Conclusions:

  • Host-directed therapies signal a paradigm shift in infectious disease management.
  • Targeting host pathways offers solutions for latency, resistance, and inflammation.
  • HDTs provide a promising future for eradicating intracellular pathogens.