New Delhi: A brand new examine has discovered {that a} materials produced from sheep’s wool has helped regenerate broken bones in rats, and that the newly-formed bone tissue exhibits a extra organised construction than bone grown utilizing typical collagen membranes.
The researchers at King’s School London developed membranes from keratin, a structural protein present in wool. In exams, the fabric supported bone progress and produced tissue with fibres extra intently aligned, although collagen produced a higher total quantity of recent bone.
The findings were reported by ScienceDaily on August 12. They arrive from a examine revealed in Biomaterials Advances in 2026.
The staff, led by Dr Sherif Elsharkawy of the college’s School of Dentistry, Oral & Craniofacial Sciences, first examined the wool-derived membranes with human bone cells within the laboratory.
The cells grew on the membranes and confirmed indicators of bone formation. The researchers then examined the fabric in rats with cranium defects that have been large enough to not heal on their very own.
The keratin membranes have been designed to stay secure through the therapeutic course of and supply a floor on which new bone might develop. Over a number of weeks, the researchers monitored bone formation across the broken areas.
Collagen vs Keratin for bone regeneration
The outcomes confirmed totally different behaviour for the 2 supplies. Collagen membranes produced extra bone total, however the bone fashioned with keratin was extra organised, with fibres higher aligned and a construction nearer to wholesome bone.
The researchers stated the keratin membranes have been secure and included with surrounding tissue through the therapeutic course of.
“We’re actually excited to indicate for the primary time how a wool-based materials has been efficiently examined in a dwelling animal to restore bones,” stated Elsharkawy.
The researchers stated the findings might additionally profit the setting. Wool is a pure renewable materials and could be disposed of as a farming byproduct. Turning it right into a medical materials might subsequently present a brand new use for a useful resource, that may in any other case go to waste.
Collagen is broadly used for bone regeneration and in dentistry, however researchers say it may be comparatively weak, might break down too shortly and could be costly or difficult to acquire.
The findings are a milestone for analysis, Elsharkawy stated, displaying keratin as a doable new class of fabric for bone regeneration.
Nonetheless, the analysis continues to be on the animal-testing stage. The findings don’t present that wool-derived keratin can at present be used to restore human bones. Additional research might be wanted to ascertain its security and effectiveness earlier than potential human purposes could be thought-about.
(Edited by Aakriti Handa)
