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Related Experiment Video

Updated: May 31, 2026

Murine Model of Femoral Artery Wire Injury with Implantation of a Perivascular Drug Delivery Patch
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Novel Drug-Testing Platform for Vascular Injury-induced Intimal Hyperplasia Using a Microphysiological System.

Ungsig Nam1, HyeMi Kim1, Jeong Ah Kim1,2

  • 1Center for Scientific Instrumentation, Korea Basic Science Institute (KBSI), Daejeon, 34133, Republic of Korea.

Advanced Healthcare Materials
|August 11, 2025
PubMed
Summary
This summary is machine-generated.

A novel 3D microphysiological system models vascular restenosis, revealing antiproliferative drugs worsen endothelial damage. Combining diphenyleneiodonium (DPI) and quercetin offers a promising therapeutic strategy for drug-coated balloons and stents.

Keywords:
diphenyleneiodoniumintimal hyperplasiamicrophysiological systemquercetinvascular injury

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Area of Science:

  • Biomedical Engineering
  • Cardiovascular Research
  • Regenerative Medicine

Background:

  • Drug-coated balloons (DCBs) and drug-eluting stents (DESs) aim to prevent restenosis after vascular procedures.
  • Current treatments face limitations, with some patients still experiencing restenosis.
  • Existing experimental models have limitations in accurately replicating disease pathology.

Purpose of the Study:

  • To develop and validate a 3D microphysiological system (MPS) for modeling vascular injury-induced intimal hyperplasia.
  • To evaluate the efficacy and limitations of antiproliferative drugs in this model.
  • To identify and test alternative therapeutic agents for preventing restenosis.

Main Methods:

  • Development of a 3D MPS to simulate endothelial denudation, vascular smooth muscle cell (VSMC) proliferation, migration, and inflammation.
  • Assessment of antiproliferative drugs' effects on VSMCs and endothelium.
  • Screening of alternative anti-inflammatory drugs, including diphenyleneiodonium (DPI) and quercetin.

Main Results:

  • The MPS model successfully replicated key features of intimal hyperplasia.
  • Antiproliferative drugs inhibited VSMC proliferation but exacerbated endothelial denudation.
  • Combined treatment with DPI and quercetin reduced VSMC proliferation, migration, and inflammation without impairing re-endothelialization.

Conclusions:

  • The developed 3D MPS is a promising platform for studying vascular disease and testing therapeutics.
  • Combined DPI and quercetin show potential as an alternative therapeutic strategy for DCBs and DESs.
  • This research may offer new insights for improving treatments to prevent restenosis.