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Abstract

The present invention relates to a method for diagnosing esthetic degradations of skin, in particular linked to pollution, in a subject, comprising a step (a) of determining, in a skin sample of the subject, the level of at least one marker chosen from the group constituted of (i) bacteria of the species Propionibacterim acnes, bacteria of the family Micrococcaceae, bacteria of the genus Brachybacterium, bacteria of the genus Brevibacterium, bacteria of the order Burkholderiales, bacteria of the genus Parococcus, bacteria of the family Rhodobacteraceae and bacteria of the genus Fusobacterium, and (ii) metabolites of these bacteria chosen from 3-hydroxy-3-methylglutarate, 3-methylglutarate/2-methylglutarate, 4-guanidinobutanoate, 4-imidazoleacetate, 5-oxoproline, aconitrate, adipate, alanine, alpha-cetoglutarate, arabonate/xylonate, azelate, beta-citrylglutamate, choline, cis-urocanate, citraconate/glutaconate, fructose, fumarate, gamma-glutamylalanine, gamma-glutamylglutamine, gamma-glutamylglycine, gamma-glutamylisoleucine, gamma-glutamylleucine, gamma-glutamylsérine, gamma-glutamylthréonine, gamma-glutamyltryptophane, gamma-glutamylvaline, glutarate, glycerate, glycerol-3-phosphate, glycine, isovalerylglycine, kynurenate, lactate, linoleoyl ethanolamide, malate, maleate, malonate, maltose, methionine sulfoxide, methylsuccinate, N-acetylalanine, N-acetylarginine, N-acetylaspartate, N-acetylglycine, N-acetylhistidine, N-acetylphenylalanine, N-acetylthréonine, N-acetylvaline, oleamide, ornithine, palmitamide, pimelate, proline, salicylate, sebacate, serine, suberate, succinate, undecanedioate and S-amino-omega caprolactam.

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First Claim