Mass spectrometry based-proteomics of facial stratum corneum of different ethnic groups to reveal study photodamaged dry skin by Phylogene
3 November 2016
“Our poster on MS proteomics of dry skin in different ethnic groups has been awarded as one of the top 10 out of 313. It shows the interest of the method in revealing new involved pathways” Says Mr Skorski
Presumably as a result of UV irradiation, the levels of filaggrin proteins and associated processing enzymes are increased on photoexposed facial skin in all three ethnic groups.
Obviously, the resulting elevated NMF levels are insufficient to correct the underlying biochemical abnormality in corneocyte maturation. We have previously shown that enzymes involved in corneocyte maturation are lowered in photoexposed facial skin of Caucasians. These enzyme levels are currently under investigation in the other two ethnicities. Our results demonstrate that increased levels of filaggrin proteins, their processing enzymes and the resulting NMF are insufficient to correct the cellular and biochemical abnormalities in photodamaged skin. Thus, we are focusing on other epidermal differentiation markers.
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