Bioactive DNA hydrogel interfacing with living cells and extracellular vesicles

Area of Science:

• Biomaterials Science
• Molecular Biology
• Biotechnology

Background:

• Biological vesicles, including cells and extracellular vesicles (EVs), are vital for physiological processes and disease progression.
• Isolating and maintaining the bioactivity of these vesicles is critical for applications in diagnostics and therapeutics.
• Bioactive hydrogels, utilizing DNA's recognition properties, offer a novel approach for vesicle manipulation.

Purpose of the Study:

• To review the interactions between DNA hydrogels and biological vesicles.
• To focus on controllable release mechanisms of vesicles from DNA hydrogels.
• To highlight recent advances in biomedical applications of bioactive DNA hydrogels.

Main Methods:

• Exploiting DNA's molecular recognition and sequence programmability for material design.
• Incorporating multifunctional DNA modules to create targeted vesicle recognition.
• Summarizing research on interaction and release mechanisms, and biomaterial applications.

Main Results:

• DNA hydrogels demonstrate targeted recognition of biological vesicles.
• Controllable release mechanisms for vesicles from DNA hydrogels have been developed.
• Significant progress has been made in applications such as cell/EV isolation, 3D culture, and disease detection/treatment.

Conclusions:

• Bioactive DNA hydrogels show great promise for vesicle isolation, engineering, and disease management.
• Further research is needed to address current challenges and unlock the full potential of DNA hydrogels.
• Future prospects include enhanced biomaterial applications in personalized medicine and regenerative therapies.