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Saturday, January 12, 2019

Crocin ameliorates atopic dermatitis symptoms by down regulation of the Th2 cells-mediated immune response.

PMID:  Nutrients. 2018 Nov 2 ;10(11). Epub 2018 Nov 2. PMID: 30400140 Abstract Title:  Crocin Ameliorates Atopic Dermatitis Symptoms by down Regulation of Th2 Response via Blocking of NF-κB/STAT6 Signaling Pathways in Mice. Abstract:  Crocin, a major constituent of, is a natural colorant carotenoid compound that has been reported to have anti-inflammatory effects. This study investigated the therapeutic effects of crocin on mice with atopic dermatitis induced bycrude extract, which is a common environmental allergen in house dust that causes atopic dermatitis in humans. Crocin application amelioratedcrude extract-induced atopic dermatitis symptoms by inhibiting the dermatitis severity score, ear thickness, and serum immunoglobulin E levels in NC/Nga mice. The increases in epidermal thickness and dermal inflammatory cells (eosinophil and mast cells) infiltrations observed on the dorsal back skin of atopic dermatitis control mice were inhibited in a dose-dependent manner by topical application of crocin in atopic dermatitis treatment mice. Crocin inhibited thecrude extract-induced increase of thymus and activation-regulated chemokines, interleukin (IL)-4, and IL-13 on the dorsal skin of mice. Crocin also inhibitedcrude extract-induced activation of nuclear factor-κB (NF-κB) and signal transducer and activator of transcription (STAT) 6. These results show that crocin ameliorates atopic dermatitis symptoms by down regulation of the Th2 cells-mediated immune response via blocking of NF-κB/STAT6 signaling pathways.

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from GreenMedInfo http://bit.ly/2AKftgK

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