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Topical Application of S1P 2 Antagonist JTE-013 Attenuates 2,4-Dinitrochlorobenzene-Induced Atopic Dermatitis in Mice

Topical Application of S1P 2 Antagonist JTE-013 Attenuates 2,4-Dinitrochlorobenzene-Induced Atopic Dermatitis in Mice

Jisoo Kang, Ju-Hyun Lee, Dong-Soon Im

Biomol Ther (Seoul). 2020 Jun 3.

PMID: 32487782

Abstract:

Sphingosine-1-phosphate (S1P) and its receptors have been implicated in atopic dermatitis. S1P2 was found to function as a proallergic receptor, while its antagonist JTE-013 was found to suppress allergic asthma in mice. Topical application of JTE-013 has not been investigated in an in vivo model of atopic dermatitis. Therefore, the therapeutic potential of JTE-013 topical application was evaluated by the use of a 2,4-dinitrochlorobenzene (DNCB)-induced atopic dermatitis mouse model. DNCB-induced inflammation and mast cell accumulation in skin tissues were significantly suppressed by topical JTE-013 treatment in BALB/c mice. DNCB-induced increase of lymph nodes sizes and elevated inflammatory cytokines (IL-4, IL-13, IL-17, and IFN-γ) in lymph nodes were also significantly reduced by the JTE-013 treatment. Elevated serum levels of IgE were significantly suppressed through the topical treatment of JTE-013. In summary, the topical treatment of JTE-013 S1P2 antagonist suppressed DNCB-induced atopic dermatitis symptoms and immune responses. These results suggested JTE-013 as a potential therapeutic agent for atopic dermatitis.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP383150412	JTE-013		383150-41-2	Price

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