Neuro-bone tissue engineering: Multiple potential translational strategies between nerve and bone.

Area of Science:

• Biomaterials Science
• Regenerative Medicine
• Neuroscience

Background:

• The nervous system plays a crucial role in mammalian tissue regeneration, including bone.
• The mature skeleton is extensively innervated, influencing blood flow, metabolism, and stem cell activity.
• Understanding neuro-osseous interactions is key to advancing skeletal repair.

Purpose of the Study:

• To review mechanisms of nervous system regulation in bone metabolism and regeneration.
• To explore recent advancements in neuralized tissue-engineered bone.
• To provide insights for future neuro-bone tissue engineering research.

Main Methods:

• Literature review of neurogenic and non-neurogenic factors in bone repair.
• Analysis of current progress and design strategies for neuralized scaffolds.
• Discussion of challenges and future directions in neuro-bone tissue engineering.

Main Results:

• The nervous system regulates bone regeneration through various neurogenic and non-neurogenic factors.
• Neurotization is a promising approach for critical-sized bone defects, addressing vascularization and innervation challenges.
• Current research focuses on biomaterial design and application strategies for neuralized bone tissue engineering.

Conclusions:

• The interaction between nerve and bone is vital for skeletal development and repair.
• Further research is needed to elucidate the mechanisms underlying neuro-osseous regulation.
• Neuro-bone tissue engineering holds potential but requires careful consideration and clinical validation.