Progresses in the pursuit of aldose reductase inhibitors: the structure-based lead optimization step

Anna Ramunno1, Sandro Cosconati, Stefania Sartini

  • 1Dipartimento di Scienze Farmaceutiche, Università di Salerno, Via Ponte Don Melillo 11c, 84084 Fisciano, Italy.

Insights

Novel aldose reductase (ALR2) inhibitors were developed to treat diabetic complications and inflammatory diseases. These new compounds show promising low micromolar/submicromolar activities, offering potential therapeutic avenues beyond diabetes.

Area of Science:

  • Biochemistry
  • Medicinal Chemistry
  • Pharmacology

Background:

  • Aldose reductase (ALR2) is implicated in diabetic complications.
  • ALR2 inhibitors, like fidarestat, show potential against inflammatory diseases and cancer.
  • Fidarestat is in Phase III trials for diabetic neuropathy and is safe.

Purpose of the Study:

  • To discover novel, potent aldose reductase (ALR2) inhibitors.
  • To explore new therapeutic strategies for diabetes and inflammatory conditions.
  • To optimize a virtual screening-derived ALR2 inhibitor (S12728).

Main Methods:

  • Rational receptor-based lead optimization.
  • Chemical synthesis of new compounds.
  • In vitro activity assessment of synthesized compounds.

Main Results:

  • Several new ALR2 inhibitors were designed and synthesized.
  • Compounds demonstrated low micromolar and submicromolar activities.
  • Optimization efforts yielded potent inhibitory compounds.

Conclusions:

  • Novel ALR2 inhibitors with significant potency were discovered.
  • These compounds offer potential for treating diabetic complications and inflammatory diseases.
  • The findings support the development of new therapeutic approaches.

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