Anti-allergic and Profilaggrin (ProFLG)-mRNA expression modulatory effects of sacran

International Journal of Biological Macromolecules
Nlandu Roger NgatuTatsuo Kaneko

Abstract

Atopic dermatitis (AD) is a skin disorder characterized by filaggrin (FLG) defect. We evaluated sacran's effects on dust-mite extracts (DME)-induced AD-like disease and also its effect on profilaggrin (proFLG) in a murine model of 2,4-dinitroflurobenze (DNFB)-induced contact hypersensitivity. In the murine AD-like disease model, allergic NC/Nga mice (N=60) were randomly divided into five treatment groups of 12 animals each: 0.2% and 1%sacran; 0.1% Tacrolimus; Vaseline and buffer-treated controls. Blood samples were drawn and serum levels of representative Th-1, Th-2 and also Th-17 (IL-17A) cytokines were assayed by Cytometric Bead Array (CBA). In the contact hypersensitivity model, diseased NC/Nga mice (N=20) were divided into four groups of five mice each [0.05%sacran, 0.05% chondroitin sulfate (CS), 0.5% prednisolone (PD), non-treated control group] and were treated for 14days. Skin biopsies were performed for the measurement of proFLG-mRNA by real-time PCR. Sacran solutions and 0.1%Tacrolimus reduced disease severity, suppressed histological changes and decreased the serum Th-1 (IFN-γ, TNF-α, IL-2) and Th-2 (IL-4, IL-6, IL-10) cytokines in allergic mice (vs. controls). Additionally, a marked increase of proFLG-mRNA expressio...Continue Reading

Citations

Apr 3, 2018·Yakugaku zasshi : Journal of the Pharmaceutical Society of Japan·Hidetoshi ArimaHironobu Ihn
Jul 3, 2021·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Lisa Efriani PuluhulawaNasrul Wathoni
Nov 28, 2018·ACS Applied Materials & Interfaces·Saranyoo SornkamnerdTatsuo Kaneko

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