Skin repair compositions comprising circadian gene...

A - Human Necessities – 61 – K

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Details

A61K 38/08 (2006.01) A61K 8/64 (2006.01) A61K 38/43 (2006.01) A61P 17/00 (2006.01) A61Q 19/00 (2006.01)

Patent

CA 2761967

Compositions and methods for enhancing repair of damaged DNA in skin cells. Topical compositions comprising at least one agent that upregulates circadian gene expression in skin cells and at least one non-circadian agent that delays mitosis in skin cells. Preferably, such compositions comprise one or more keratinocyte clock and per1 gene activators, along with SIRT1 or one or more sirt1 activators. More preferably, the sirt1 activator is a synergistic combination of specific peptidic sirt1 activators and resveratrol. Preferably, such compositions are easy to use, efficacious, cosmetically acceptable, chemically, thermodynamically and light stable, safe for topical use, have little or no side effects, and commercially feasible in a personal care marketplace.

L'invention porte sur des compositions et des procédés pour augmenter la réparation d'ADN endommagé dans des cellules cutanées. Des compositions topiques comprennent au moins un agent qui régule de façon positive l'expression de gène circadien dans des cellules cutanées et au moins un agent non circadien qui retarde la mitose dans des cellules cutanées. De préférence, de telles compositions comprennent un ou plusieurs activateurs de gène clock et per1 de kératinocyte, ainsi que SIRT1 ou un ou plusieurs activateurs de sirt1. De préférence, l'activateur de sirt1 est une combinaison synergique d'activateurs de sirt1 peptidiques spécifiques et de resvératrol. De préférence, de telles compositions sont d'usage aisé, efficaces, cosmétiquement acceptables, chimiquement stables, thermodynamiquement stables et stables à la lumière, sans danger pour une utilisation topique, ont peu ou pas d'effets secondaires et sont commercialement faisables dans un marché du soin personnel.

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