Recent Progress in in vitro Models for Atherosclerosis Studies

Jun Chen1, Xixi Zhang1, Reid Millican2

  • 1Department of Biomedical Engineering, The University of Alabama at Birmingham, Birmingham, AL, United States.

Insights

This review explores advanced in vitro models for studying atherosclerosis, a leading cause of cardiovascular disease. These models offer efficient and economical alternatives to animal studies for developing new treatments.

Area of Science:

  • Biomedical Engineering
  • Cardiovascular Research
  • Cell Biology

Background:

  • Atherosclerosis, characterized by arterial hardening and narrowing, is a major cause of mortality.
  • Effective treatments for atherosclerosis necessitate robust in vitro models.
  • In vitro models offer advantages over animal models in terms of efficiency and cost.

Purpose of the Study:

  • To review recent advancements in in vitro models for atherosclerosis research.
  • To cover both traditional 2D and emerging 3D in vitro models.
  • To discuss the functions and future perspectives of these models.

Main Methods:

  • Review of traditional 2D in vitro models (tissue culture plates, cell sheets).
  • Discussion of advanced 2D microfluidic chip models.
  • Exploration of emerging 3D in vitro models (spheroids, hydrogels, engineered vessels, vessel-on-a-chip).

Main Results:

  • Atherosclerosis research benefits from diverse in vitro models.
  • 2D models provide a foundational approach.
  • 3D models, including microfluidic and organ-on-a-chip systems, offer enhanced complexity and physiological relevance.

Conclusions:

  • In vitro models are crucial for advancing atherosclerosis research and treatment development.
  • The field is rapidly evolving with the introduction of sophisticated 3D and microfluidic systems.
  • Future research should focus on further refining these models for greater predictive power.