Microneedles for in situ tissue regeneration.

Area of Science:

• Biomaterials Science
• Regenerative Medicine
• Nanotechnology

Background:

• Tissue injury presents a significant clinical challenge, necessitating advanced regenerative strategies.
• Functional scaffolds are crucial for promoting effective tissue repair and regeneration.
• Microneedles have emerged as a promising technology for diverse tissue regeneration applications.

Purpose of the Study:

• To review the advancements in microneedle technology for in situ tissue regeneration over the last decade.
• To discuss the potential of microneedles in overcoming barriers like necrotic tissue and biofilms.
• To explore the application of microneedles in delivering therapeutic agents for targeted tissue repair.

Main Methods:

• Literature review of research on microneedles for in situ tissue regeneration.
• Analysis of microneedle applications in skin, cornea, myocardium, endometrium, and spinal cord injuries.
• Evaluation of microneedle-mediated delivery of bioactive molecules, stem cells, and growth factors.

Main Results:

• Microneedles facilitate penetration of biological barriers, enhancing drug bioavailability.
• In situ delivery via microneedles ensures targeted distribution of therapeutics and cells.
• Microneedles provide mechanical support and directional cues, accelerating tissue repair processes.

Conclusions:

• Microneedles represent a versatile platform for in situ tissue regeneration, offering targeted delivery and mechanical support.
• Further research is needed to address existing limitations and explore clinical translation.
• The potential for microneedle application in diverse clinical scenarios is significant.