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Novel compounds targeting InhA for TB therapy.

Manaf AlMatar1, Essam A Makky2, Işıl Var3

  • 1Department of Biotechnology, Institute of Natural and Applied Sciences (Fen Bilimleri Enstitüsü) Cukurova University, Adana, Turkey.

Pharmacological Reports : PR
|February 24, 2018
PubMed
Summary

Drug-resistant tuberculosis (TB) necessitates new treatments. InhA inhibitors, targeting enoyl-ACP-reductase, show promise as novel antitubercular agents by overcoming isoniazid resistance.

Keywords:
Enoyl ACP reductaseInhA inhibitorIsoniazid resistanceNovel drugsTuberculosis

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Area of Science:

  • Microbiology
  • Medicinal Chemistry
  • Drug Discovery

Background:

  • Tuberculosis (TB) remains a significant global health threat, with drug resistance leading to poor treatment outcomes.
  • Isoniazid resistance, often mediated by the InhA enzyme, is a major challenge in TB therapy.
  • Novel antitubercular agents are urgently required to combat resistant strains.

Purpose of the Study:

  • To review the role of InhA in isoniazid resistance.
  • To discuss novel classes of InhA inhibitors as potential antitubercular agents.
  • To highlight inhibitors with unique binding modes and demonstrated target engagement.

Main Methods:

  • Literature review of studies on InhA inhibitors and isoniazid resistance.
  • Analysis of reported chemical classes targeting the enoyl-ACP-reductase (InhA) enzyme.
  • Evaluation of evidence for target engagement and novel binding mechanisms.

Main Results:

  • InhA plays a critical role in the mechanism of isoniazid resistance.
  • Five distinct classes of InhA inhibitors have been identified.
  • These inhibitors exhibit novel binding modes and successful target engagement.

Conclusions:

  • InhA inhibitors represent a promising strategy for developing new drugs against drug-resistant TB.
  • Targeting InhA offers a viable approach to overcome isoniazid resistance.
  • Further development of these inhibitors could lead to effective antitubercular therapies.