Small molecules as modulators of regulated cell death against ischemia/reperfusion injury

Dan-Qian Chen1,2, Yan Guo3, Xin Li2

  • 1Department of Emergency, China-Japan Friendship Hospital, Beijing, China.

Insights

Small molecules show promise in treating ischemia/reperfusion (IR) injury by targeting various regulated cell death (RCD) pathways in endothelial and parenchymal cells. Combining these molecules offers synergistic therapeutic effects for IR injury.

Area of Science:

  • Biomedical Science
  • Molecular Biology
  • Pathophysiology

Background:

  • Ischemia/reperfusion (IR) injury is a significant global health concern with limited therapeutic options.
  • The complex mechanisms of IR injury necessitate novel therapeutic targets.
  • Regulated cell death (RCD) in endothelial and parenchymal cells presents a promising avenue for intervention.

Purpose of the Study:

  • To explore the role of small molecules in modulating RCD pathways relevant to IR injury.
  • To elucidate the mechanisms by which small molecules protect against IR injury.
  • To evaluate the potential of combination therapies using small molecules.

Main Methods:

  • Review of recent advances in IR injury research.
  • Analysis of small molecule interactions with RCD pathways (apoptosis, necroptosis, autophagy, ferroptosis, pyroptosis, parthanatos).
  • Examination of small molecules targeting endothelial and parenchymal cells.

Main Results:

  • Small molecules demonstrate protective effects against various forms of RCD in the context of IR injury.
  • These molecules function by targeting specific cell types to mitigate IR-induced damage.
  • Combined small molecule therapies exhibit potent synergistic effects.

Conclusions:

  • Small molecules targeting RCD pathways represent a novel therapeutic strategy for IR injury.
  • Targeting multiple cell types with combined small molecules enhances therapeutic efficacy.
  • This approach lays the groundwork for developing new treatments to attenuate IR injury.