期刊
JOURNAL OF FUNCTIONAL FOODS
卷 90, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.jff.2022.104972
关键词
Atopic dermatitis; Food additive; Tetrahydrocurcumin; Calcium carbonate; Hybrid colloid
资金
- Dong-A University research fund
Atopic dermatitis is a chronic inflammatory disease characterized by itching. The pathogenesis and etiology of atopic dermatitis are not fully understood, but tetrahydrocurcumin has been shown to alleviate the symptoms of this condition.
Atopic dermatitis (AD) is a chronic relapsing inflammatory disease that is primarily characterized by pruritus. AD is a multifactorial disease related to epidermal barrier disruption, which mainly occurs during infancy and childhood. Although AD is usually associated with multiple causes, including elevated IgE levels and environmental factors, the pathogenesis and etiology of AD are not fully understood. Tetrahydrocurcumin (THC) is a major metabolite of curcumin, which has antioxidant, anti-inflammatory, chemopreventive, anti-bacterial, antidyslipidemic, and anti-aging activities, and is known to be effective against AD symptoms. To improve the efficiency of delivery in vivo, we synthesized a tetrahydrocurcumin-entrapped calcium carbonate hybrid colloid (TCCHC). To elucidate the efficacy of the TCCHC in an AD mouse model, we determined for the first time, whether TCCHC can attenuate AD in an in vivo NC/Nga mouse model. When applied subcutaneously into NC/Nga mice repeatedly treated with house dust mite antigens, TCCHC could reduce symptoms, such as clinical score, serum IgE levels, ear thickness, mast cell infiltration, and thymic stromal lymphopoietin (TSLP) and CD86+ cells in skin lesions. TCCHC also significantly reduced the gene expression of various inflammatory cytokines, such as interleukin (IL)-4, IL-5, and IL-13 in the serum of Nc/Nga mice. Altogether, these results suggest that TCCHC can alleviate the symptoms of AD and is a promising food additive for AD patients.
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