Engineering Cardiac Tissue for Advanced Heart-On-A-Chip Platforms.

Area of Science:

• Biomedical Engineering
• Cardiovascular Research
• Tissue Engineering
• Microfluidics

Background:

• Cardiovascular diseases (CVDs) are a leading global cause of mortality.
• Existing preclinical models (animal models, 2D cell cultures) fail to accurately replicate human heart physiology and drug responses.
• There is a critical need for advanced in vitro models that better mimic human microphysiological systems.

Purpose of the Study:

• To review recent advances in Heart-on-a-chip (HoC) technology.
• To highlight the potential of HoC platforms for improving cardiovascular disease research and clinical applications.
• To discuss challenges and future perspectives in HoC fabrication and utilization.

Main Methods:

• Integration of cardiac tissue engineering for 3D microtissue construction.
• Utilization of microfluidic chip fabrication techniques.
• Implementation of microenvironmental stimulation and real-time feedback systems.

Main Results:

• HoC technology enables the creation of in vitro 3D cardiac models that mimic human microphysiological systems.
• These models offer controllable microenvironments for studying cardiac function and drug efficacy.
• Recent advances cover engineered cardiac microtissue, chip fabrication, and integrated systems.

Conclusions:

• Heart-on-a-chip technology presents a significant advancement over traditional preclinical models for cardiovascular disease research.
• HoC platforms offer a promising avenue for more accurate drug screening and personalized medicine.
• Overcoming fabrication challenges will unlock the full potential of HoC for research and clinical translation.