A Standardized and Quality-Controllable Protocol of Constructing Individual Tissue-Engineered Grafts Applicable to...

Area of Science:

• Biomaterials Science
• Regenerative Medicine
• Orthopedic Surgery

Background:

• Patient-specific individual tissue-engineered bones (iTEBs) show promise for large bone defects.
• Current iTEB construction lacks standardization, hindering research and clinical use.

Purpose of the Study:

• To detail a standardized protocol for constructing patient-specific iTEBs.
• To incorporate quality control and safety monitoring throughout the iTEB fabrication process.
• To provide a reliable method for both clinical and experimental applications.

Main Methods:

• Scaffold preparation, cell isolation and culture, and iTEB fabrication were standardized.
• Detailed manipulation and caution points were outlined for each step.
• Quality control and safety monitoring scales were developed and implemented.

Main Results:

• The preparation phase (cell culture to scaffold treatment) typically took 21 days.
• The fabrication phase generally required 5 days.
• The standardized protocol ensured homogeneity, reliability, and safety of the iTEBs.

Conclusions:

• A refined, standardized protocol for patient-specific iTEB construction was established.
• The protocol meets strict quality control and safety criteria.
• This method is suitable for graduate students and researchers in bone tissue engineering.