Introduction: Inflammation plays a central role in acne pathogenesis, indeed,
it represents an early event and may be further amplified by both sebum lipid alteration and P acnes proliferation.
Sebum is not only produced in excess in acne, but its composition is also altered with an accumulation of oxidized squalene and a deficit in linoleic acid, creating an inflammatory ground.
We have developed a plant extract, enriched in polyphenols, according to an optimized, secured and ecodesigned process, in compliance with our sustainable policy.
We investigated its capacity to target different pathways involved in acne in vitro and in vivo. In vitro investigation The extract had a strong and direct inhibitory effect on Pacnes growth;
it highly and significantly stimulated gene expression of antimicrobial peptides thus
enabling keratinocytes to fight against microbial colonization.
Moreover it was able to significantly inhibit IL8 production induced by P acnes.
Besides, the extract had an important anti-seborrhea potential as shown by the decreased sebaceous glands lipid content and the antioxidant capacity.
Introduction: Inflammation plays a central role in acne pathogenesis, indeed, it represents an early event and may be further amplified by both sebum lipid alteration and P acnes proliferation. Sebum is not only produced in excess in acne, but its composition is also altered with an accumulation of oxidized squalene and a deficit in linoleic acid, creating an inflammatory ground.We have developed a plant extract, enriched in polyphenols, according to an optimized, secured and ecodesigned process, in compliance with our sustainable policy. We investigated its capacity to target different pathways involved in acne in vitro and in vivo. In vitro investigation The extract had a strong and direct inhibitory effect on Pacnes growth;it highly and significantly stimulated gene expression of antimicrobial peptides thusenabling keratinocytes to fight against microbial colonization. Moreover it was able to significantly inhibit IL8 production induced by P acnes. Besides, the extract had an important anti-seborrhea potential as shown by the decreased sebaceous glands lipid content and the antioxidant capacity.
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