Neuromuscular and cardiac organoids and assembloids: Advanced platforms for drug testing

Area of Science:

• Biomedical Engineering
• Stem Cell Biology
• Regenerative Medicine

Background:

• Animal models present technical, ethical, and cost challenges for biomedical research.
• Organoids and assembloids are advanced 3D in vitro models derived from induced pluripotent stem cells.
• These models mimic tissue complexity, enabling personalized disease modeling and drug screening.

Purpose of the Study:

• To review the application of organoids and assembloids in biomedical research.
• To highlight their utility in modeling neuromuscular and cardiac diseases.
• To discuss current limitations and future directions for these advanced models.

Main Methods:

• Generation of organoids and assembloids from induced pluripotent stem cells.
• Incorporation of specific cell types (e.g., neural, muscle) to create functional tissue models.
• Application of these models for studying disease mechanisms and drug effects.

Main Results:

• Neuromuscular organoids effectively replicate complex neuromuscular structures for studying diseases like SMA and ALS.
• Cardiac organoids and assembloids provide reliable platforms for comprehensive drug testing.
• Integration of neuronal components into cardiac organoids allows investigation of autonomic function.

Conclusions:

• Organoids and assembloids are promising alternatives to animal models, offering enhanced predictive value.
• Despite challenges like differentiation protocols and cell maturation, these models hold significant potential for advancing biomedicine.
• Future developments aim to overcome limitations, further enhancing their utility in disease research and personalized medicine.