New 'nanobone' Material Helps Regrow Bone Without Painful Grafts

Topic: Health

University of Sydney researchers created a biodegradable material called 'nanobone' that can help regrow bone. This could be an alternative to painful bone graft surgery for children born with cleft lip and palate.

Children born with cleft lip and palate often have to wait until they are 10-12 years old before undergoing invasive bone graft surgery. But researchers at the University of Sydney may have found a solution. They developed a biodegradable material called 'nanobone' that can help regrow bone naturally.

The study, published in ACS Nano, used a preclinical bone model to test the material. After eight weeks, it generated around 80% more new bone than a control material. It also activated a key growth factor at around 10 times the level achieved using conventional methods.

Lead researcher Associate Professor Chun Xu explained how the material works: 'The material activates dormant repair signals in the body, triggering a cascade of healing processes that attract bone-forming stem cells and stimulate new bone growth.'

Cleft lip and palate is a birth defect that affects around 1 in 700 children. Repairing gaps in the jawbone can be one of the most complex stages of treatment and can have lifelong impacts on speech and self-confidence.

The researchers hope to develop materials that help the body regenerate bone naturally, reducing the need for invasive procedures.

Why It Matters

This breakthrough could improve the lives of millions of children born with cleft lip and palate worldwide. It could also reduce the number of painful bone graft surgeries needed each year.

Key Facts

• Researchers at the University of Sydney developed a biodegradable material called 'nanobone' that can help regrow bone naturally.
• The study used a preclinical bone model to test the material, which generated around 80% more new bone than a control material after eight weeks.
• Around 1 in 700 children are born with cleft lip and palate, and repairing gaps in the jawbone can be one of the most complex stages of treatment.
• More than 4 million bone repair procedures are performed worldwide each year.
• The researchers hope to develop materials that help the body regenerate bone naturally, reducing the need for invasive procedures.

Key Terms

Biodegradable

A material that can break down and be absorbed by the body naturally.

Latent Transforming Growth Factor β1 (TGF-β1)

A growth factor that already exists within the body and helps with tissue repair.

Implications

This breakthrough could improve the lives of millions of children born with cleft lip and palate worldwide. It could also reduce the number of painful bone graft surgeries needed each year.