Hair Graying and Hair Growth
Monday, October 3rd, 2011
We always knew that graying hair is thicker and may even grow slightly better than pigmented, or dark, hair. There was a recent article featured in the British Journal of Dermatology, which spoke of a study which aims to discover the correlation between why hair grey’s through evaluating the proteins or genes, which are related to hair growth in black and white hairs.
This was done by observing the morph patterns in scalp hair and eyebrows in humans. Also, using a microarray analysis, the white and black hairs were analyzed by looking at the differential expression of their genes.
These scientists showed that keratin and keratin-associated protein genes in gray hair were up-regulated at least 2-fold in comparison with black or pigmented hair in their analysis. They concluded the expression of genes or proteins associated with active hair growth is up-regulated in white or non-pigmented hair compared with black or pigmented hair. These results suggest that hair graying is associated with active hair growth.
For more information on the published article, go to: http://www.ncbi.nlm.nih.gov/pubmed/21916889
Parsa Mohebi, M.D. _______________________________
US Hair Restoration _______________________________
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