Abstract：
:15-lipoxygenase is involved in the generation of specialized pro-resolving lipid mediators that play essential roles in resolution and inflammatory responses. Here, we investigated anti-inflammatory role of Alox15 in skin homeostasis. We demonstrated that knockout (KO) of Alox15 led to hair loss and disrupted the structural integrity of the dorsal skin. Alox15 KO resulted in loss of hair follicle stem cells and abnormal transition of dermal adipocytes into fibroblasts. Alox15 deficiency increased infiltration of proinflammatory macrophages and upregulated proinflammatory and necroptotic signaling in dermal adipose tissue in the dorsal skin. Lipidomic analysis revealed severe loss of resolvin D2 in the dorsal skin of Alox15 KO mice compared to wild type controls. Treatment with resolvin D2 reduced skin inflammation in Alox15 KO mice. Collectively, these results indicate that Alox15-mediated production of resolvin D2 is required to maintain skin integrity by suppressing dermal inflammation.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Kim SN,Akindehin S,Kwon HJ,Son YH,Saha A,Jung YS,Seong JK,Lim KM,Sung JH,Maddipati KR,Lee YHdoi
10.1038/s41598-018-27221-7subject
Has Abstractpub_date
2018-06-11 00:00:00pages
8856issue
1issn
2045-2322pii
10.1038/s41598-018-27221-7journal_volume
8pub_type
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