Tuesday, March 1, 2016

Here is the gene that can cause gray hair – Vestmanlands County Newspaper

Researchers have been able to identify several genes that have to do with the hair properties. Stock Photography.

 Researchers have been able to identify several genes that have to do with the hair characteristics. Stock Photography.
 

                     
                    

Tomas Oneborg / SvD / TT

            

 
  Research / TT
 
 Gray thatch, thick beard or fused eyebrows? Now, researchers have identified several genes that underlie how our hair looks.
 

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Facts

Fact: Hair

Hair can be both plants and animals. On the former, the hair can be used such as defense against insects or protection against too strong solar radiation.

In arthropods can hairs sitting as single brush and used as sensory organelles, which bumblebees, act as a kind of fur. Hair on mammals usually forms a coat that insulates heat and protects.

The human hair hardly insulate against cold and heat. Eyebrows and eyelashes are to protect the eye from airborne particles.

Source: Encyclopedia

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it may be that there is IRF4 you to blame if you are disturbed by the increasing number of gray hairs there in parting. So called namely the gene is the first to be linked with that hair turns gray, according to a study published in the journal Nature Communications.

“We already know of several genes involved in baldness and hair color but this is the first time a gene linked to graying have been identified in humans, “said lead author Kaustubh Adhikari in a press release.

the researchers analyzed more than 6600 persons DNA and compared it with how their hair looked – eg what color it was, it was gray and how much facial hair they had.

in addition IRF4 researchers found, among other things, gene EDAR, which is linked to the thickness of the beard and PAX3 of importance to the presence of fused eyebrows.

the researchers do not believe that the genes completely alone control hair growth properties, but it occurs in interaction with other factors. But to understand how, for example IRF4 work could have implications for the development of methods to delay or stop hair graying, they write.

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