Suppressive effects of tranilast on eotaxin-1 production from cultured conjunctival fibroblasts.

Suppressive effects of tranilast on eotaxin-1 production from cultured conjunctival fibroblasts. Research Abstract Details 

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Suppressive effects of tranilast on eotaxin-1 production from cultured conjunctival fibroblasts. Abstract Text:

Richard Yudi Hida,Yoji Takano,Naoko Okada,Murat Dogru,Yoshiyuki Satake,Kazumi Fukagawa,Hiroshi Fujishima,

Purpose: Eotaxin, a CC-chemokine with selective chemotactic effects for eosinophils, has been reported to play an important role in allergic conjunctival diseases. We previously reported that eotaxin is produced by conjunctival fibroblasts and keratocytes on stimulation with Th2 cytokines. Tranilast is known to have anti-allergic properties. In this study, we examined the inhibitory effect of tranilast, an anti-allergic drug, on eotaxin-1 production from cultured conjunctival fibroblasts. Methods:Conjunctival fibroblasts obtained from normal patients were cultured in DMEM/F12 medium. On the fifth passage, the cells were transferred to a 96-well plate and, after starvation for 24 hr, TNF-alpha, IL-4, and tranilast or dexamethasone were added. After 48 hr, the concentrations of eotaxin-1 in the supernatants were measured by ELISA, and the cells were tested for eotaxin-1 expression by real-time PCR. Results:Eotaxin-1 production was observed on simultaneous stimulation with TNF-alpha and IL-4. This production was inhibited by both tranilast and dexamethasone. Inhibition of eotaxin-1 expression was also observed by real-time PCR. Conclusions: Eotaxin-1 production from conjunctival fiboblasts was inhibited by both tranilast and dexamethasone. These results suggest that the anti-allergic effect of tranilast may be partly due to the inhibition of eotaxin-1 production from conjunctival fibroblasts.

Suppressive effects of tranilast on eotaxin-1 production from cultured conjunctival fibroblasts. Publishing Authors By Initials

RY Hida,Y Takano,N Okada,M Dogru,Y Satake,K Fukagawa,H Fujishima,

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Suppressive effects of tranilast on eotaxin-1 production from cultured conjunctival fibroblasts. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Current eye research

VOLUME: 33

Page Numbers: 19-22

Journal Abbreviation: Curr. Eye Res.

ISSN: 0271-3683

DAY: 24

MONTH: Jan

YEAR: 2008

Suppressive effects of tranilast on eotaxin-1 production from cultured conjunctival fibroblasts. Information

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LANGUAGE: eng

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AFFILIATION: Department of Ophthalmology, Keio University School of Medicine, Tokyo, Japan.

Country: England

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MEDLINETA: Curr Eye Res

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