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. 2016 Apr;15(4 Suppl):s63-71.

Extracellular Matrix Modulation: Optimizing Skin Care and Rejuvenation Procedures

Alan D Widgerow, Sabrina G Fabi, Roberta F Palestine, Alexander Rivkin, Arisa Ortiz, Vivian W Bucay, Annie Chiu, Lina Naga, Jason Emer, Paul E Chasan
  • PMID: 27050707

Extracellular Matrix Modulation: Optimizing Skin Care and Rejuvenation Procedures

Alan D Widgerow et al. J Drugs Dermatol. 2016 Apr.

Abstract

Normal aging and photoaging of the skin are chronic processes that progress gradually. The extracellular matrix (ECM), constituting over 70% of the skin, is the central hub for repair and regeneration of the skin. As such, the ECM is the area where changes related to photodamage are most evident. Degradation of the ECM with fragmentation of proteins significantly affects cross talk and signaling between cells, the matrix, and its constituents. The accumulation of collagen fragments, amorphous elastin agglutinations, and abnormal cross-linkages between the collagen fragments impedes the ECM from its normal repair and regenerative capacity, which manifests as wrinkled, non-elastic skin. Similar to how the chronic wound healing process requires wound bed preparation before therapeutic intervention, treatment of chronic aging of the skin would likely benefit from a "skin bed preparation" to optimize the outcome of rejuvenation procedures and skin maintenance programs. This involves introducing agents that can combat stress-induced oxidation, proteasome dysfunction, and non-enzymatic cross linkages involved in glycation end products, to collectively modulate this damaged ECM, and upregulate neocollagenesis and elastin production. Agents of particular interest are matrikines, peptides originating from the fragmentation of matrix proteins that exhibit a wide range of biological activities. Peptides of this type (tripeptide and hexapeptide) are incorporated in ALASTIN™ Skin Nectar with TriHex™ technology (ALASTIN Skincare, Inc., Carlsbad, CA), which is designed to target ECM modulation with a goal of optimizing results following invasive and non-invasive dermal rejuvenating procedures.

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