期刊
JOURNAL OF INVESTIGATIVE DERMATOLOGY
卷 126, 期 9, 页码 2002-2009出版社
ELSEVIER SCIENCE INC
DOI: 10.1038/sj.jid.5700336
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资金
- NCRR NIH HHS [C06RR016499, M01RR010732] Funding Source: Medline
- NIAMS NIH HHS [R01 AR47820] Funding Source: Medline
Sebum production is key in the pathophysiology of acne, an extremely common condition, which when severe, may require treatment with isotretinoin, a known teratogen. Apart from isotretinoin and hormonal therapy, no agents are available to reduce sebum. Increasing our understanding of the regulation of sebum production is a milestone in identifying alternative therapeutic targets. Studies in sebocytes and human sebaceous glands indicate that agonists of peroxisome proliferator-activated receptors (PPARs) alter sebaceous lipid production. The goal of this study is to verify the expression and activity of PPARs in human skin and SEB-1 sebocytes and to assess the effects of PPAR ligands on sebum production in patients. To investigate the contribution of each receptor subtype to sebum production, lipogenesis assays were performed in SEB-1 sebocytes that were treated with PPAR ligands and isotretinoin. Isotretinoin significantly decreased lipogenesis, while the PPAR alpha agonist GW7647, PPAR delta agonist-GW0742, PPAR alpha/delta agonist-GW2433, PPAR gamma agonist rosiglitazone, and the pan-agonist-GW4148, increased lipogenesis. Patients treated with thiazolidinediones or fibrates had significant increases in sebum production (37 and 77%, respectively) when compared to age-, disease-, and sex-matched controls. These data indicate that PPARs play a role in regulating sebum production and that selective modulation of their activity may represent a novel therapeutic strategy for the treatment of acne.
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