Nanotubes with Stem Cells Accelerate Bone Growth
Filed in archive Information About , Stem Cells on January 31, 2009
Researchers have discovered that using titanium oxide nanotube implants with stem cells can help accelerate bone growth and healing.
During their research, the group of UC San Diego bioengineers and material science experts used a nano-bio technology method of placing mesenchymal stem cells on top of very thin titanium oxide nanotubes in order to control the conversion paths, called differentiation, into osteoblasts or bone building cells. Mesenchymal stem cells, which are different from embryonic stem cells, can be extracted and directly supplied from a patient's own bone marrow.
The precise diameter of the nanotubes can be controlled to induce selective differentiation of stem cells into osteoblast (bone-forming) cells: the larger diameter nanotube promotes quicker and stronger bone growth.
The findings in a paper have been published this week in the Proceedings of the National Academy of Sciences (PNAS).
This could offer considerable benefits to people who may have suffered a serious head injury.
Tags: nanomedicine nanotechnology stemcells stem+cells cells noscript+section bone+growth
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