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Researchers use light to coax stem cells to regenerate teeth

RATE THIS! +19
Posted in Science on 30th May, 2014 01:35 AM by AlexMuller

The research, reported in Science Translational Medicine and led by Wyss Institute Core Faculty member David Mooney, Ph.D., lays the foundation for a host of clinical applications in restorative dentistry and regenerative medicine more broadly, such as wound healing, bone regeneration, and more.

 
The team used a low-power laser to trigger human dental stem cells to form dentin, the hard tissue that is similar to bone and makes up the bulk of teeth. They outlined the precise molecular mechanism involved and demonstrated its prowess using multiple laboratory and animal models.
 
A number of biologically active molecules, such as regulatory proteins called growth factors, can trigger stem cells to differentiate into different cell types. Current regeneration efforts require scientists to isolate stem cells from the body, manipulate them in a laboratory, and return them to the body, efforts that face a host of regulatory and technical hurdles to their clinical translation. But Mooney’s approach is different and, he hopes, easier to get into the hands of practicing clinicians.
 
“Our treatment modality does not introduce anything new to the body, and lasers are routinely used in medicine and dentistry, so the barriers to clinical translation are low,” said Mooney, who is also the Robert P. Pinkas Family Professor of Bioengineering at Harvard’s School of Engineering and Applied Sciences (SEAS). “It would be a substantial advance in the field if we can regenerate teeth rather than replace them.”

Tags: teethdentistryregenerationregenerative medicinelight

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Comments

Author: Guest
Posted: 2014-05-30
+1
I am sure that many people would welcome developments in dental regeneration - this is perhaps also a good starting point for regeneration of other structures and if implemented soon could be a big boost for this important field Reply


 

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