The effects of Musk T on peroxisome proliferator-activated receptor [PPAR]-alpha activation, epidermal skin homeostasis and dermal hyaluronic acid synthesis.

Peroxisome proliferators activated receptors (PPARs) are a family of nuclear hormone receptors that heterodimer with the retinoid X receptor and function as transcriptional regulators of genes. Topically Applied PPAR-alpha agonists possess receptor mediated, pro-differentiating/anti-proliferative effects, lipid metabolism stimulation, and anti-inflammatory activity, which suggest that they could be beneficial for the treatment of a variety of cutaneous diseases. Hyaluronan (HA), a high-molecular-weight linear glycosaminoglycan consisting of alternating D: -glucuronic acid and N-acetyl-D: -glucosamine residues, is one of the major extracellular matrix components in skin. Among the family of HA synthase genes (HAS1, 2, 3) so far identified, one group has demonstrated that the expressions of HAS2 and HAS3 play crucial roles in the regulation of HA synthesis in human skin fibroblasts and keratinocytes, respectively, but the precise regulatory mechanisms are still unknown. We examine Musk T called Ethylene brassylate, Astratone or 1,4-Dioxacycloheptadecane-5,17-dione, which used as just a perfume ingredient, plays a role as PPAR-alpha ligand in vitro and stimulates skin barrier recovery, ceramide synthesis, beta-Glucocerebrosidase, involucrin expression in epidermis in vivo; and examine that Musk T stimulates HAS expression and HA synthesis in human skin fibroblast. Through these experiments, we conclude that Musk T is PPAR-alpha ligand, effects on keratinocyte differentiation, intercellular lipid synthesis in epidermis, HA synthesis stimulation in dermis.

Citation

Seung Hun Kim, Gae Won Nam, Hae Kwang Lee, Seong Joon Moon, Ih Seop Chang. The effects of Musk T on peroxisome proliferator-activated receptor [PPAR]-alpha activation, epidermal skin homeostasis and dermal hyaluronic acid synthesis. Archives of dermatological research. 2006 Nov;298(6):273-82

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PMID: 16977445

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