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  • Title: The suppression of thymic stromal lymphopoietin expression by selenium.
    Author: Moon PD, Kim HM.
    Journal: Amino Acids; 2012 Aug; 43(2):999-1004. PubMed ID: 22086213.
    Abstract:
    Thymic stromal lymphopoietin (TSLP) is a key mediator of allergic diseases such as allergic rhinitis, asthma, and atopic dermatitis. Selenium (Se) has various effects such as antioxidant, antitumor, antiulcer, and anti-inflammatory effects. However, the effect of Se on the production of TSLP has not been clarified. Thus, we investigated how Se inhibits the production of TSLP in the human mast cell line, HMC-1 cells. Se suppressed the production and mRNA expression of TSLP in HMC-1 cells. The maximal inhibition rate of TSLP production by Se (10 μM) was 59.14 ± 1.10%. In addition, Se suppressed the nuclear factor-κB luciferase activity induced by phorbol myristate acetate plus A23187. In the activated HMC-1 cells, the activation of caspase-1 was increased; whereas the activation of caspase-1 was decreased by pretreatment with Se. These results suggest that Se can be used to treat inflammatory and atopic diseases through the suppression of TSLP.
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