Saliva can help wounds heal faster — study

According to a recent study, human saliva contains a chemical (antimicrobial peptide) which boosts the formation of blood vessels and helps expedite the process of recovery from an injury.

A study published online in the Journal of Federation of American Societies for Experimental Biology (FASEB), reveals a salivary peptide called histatin 1 promotes blood vessel formation which is critical to the efficiency of wound healing.

“The clear results of the present study open a wide door to a therapeutic advance. They also bring to mind the possible meaning of animals, and often children licking their wounds,” said Thoru Pederson, Editor-in-Chief of the FASEB Journal.

Vicente Torres, an Associate Professor at the faculty of dentistry, University of Chile also commented on the findings of the study saying: “these findings open new alternatives to better understand the biology underlying the differences between oral and skin wound healing”.

“We believe that the study could help the design of better approaches to improve wound healing in tissues other than the mouth.”

The study involved experiments at three levels: blood vessel-forming cells in culture, chicken embryos as animal models and saliva samples obtained from healthy donors.

Histatin-1 and saliva were found to increase blood vessel formation using these three models.

Using these molecules, researchers are now taking the next step in the study to generate materials and implants to aid in wound healing.


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