Wednesday, February 25, 2009

Genetic Discovery Could Lead To Advances In Dental Treatment

A normal mouse tooth on the left, where ameloblast cells that produce enamel are glowing in red. On the right is a tooth with the Ctip2 gene deleted, and little enamel has been able to form. (Credit: Image courtesy of Oregon State University)

From Science Daily:

ScienceDaily (Feb. 24, 2009) — Researchers have identified the gene that ultimately controls the production of tooth enamel, a significant advance that could some day lead to the repair of damaged enamel, a new concept in cavity prevention, and restoration or even the production of replacement teeth.

The gene, called Ctip2, is a "transcription factor" that was already known to have several functions - in immune response, and the development of skin and the nervous system. Scientists can now add tooth development to that list.

The findings were just published in the Proceedings of the National Academy of Sciences.

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