Article Publish Status: FREE
Abstract Title:

Anti-inflammatory effects of astaxanthin in the human gingival keratinocyte line NDUSD-1.

Abstract Source:

J Clin Biochem Nutr. 2015 May ;56(3):171-8. Epub 2015 Jan 29. PMID: 26060346

Abstract Author(s):

Masashiro Miyachi, Tomonori Matsuno, Kazunari Asano, Izumi Mataga

Article Affiliation:

Masashiro Miyachi


Oral lichen planus is a chronic inflammatory disease that affects the mucous membrane of the oral cavity and can contribute to the development of other diseases. Inflammation in oral lichen planus is a T-cell-mediated autoimmune disease that acts through cytotoxic CD8(+) T cells to trigger apoptosis of keratinocytes. However, the specific cause of oral lichen planus remains unknown and no effective medical treatment has yet been established. Astaxanthin is a carotenoid pigment with capacity for anti-inflammatory and anti-oxidant activities. In this study, we evaluated whether astaxanthin could be used to improve the pathology of oral lichen planus by reducing inflammation. In particular, the anti-inflammatory effects of astaxanthin on the chronic inflammation caused by lipopolysaccharide derived from Escherichia coli O55 in human gingival keratinocytes (NDUSD-1) were evaluated. Following astaxanthin treatment, localization of nuclear factorκB/p65 and the level of inflammatory cytokines (interleukin-6, tumor necrosis factor-α) tended to decrease, and cell proliferation significantly increased in vitro. These results suggest that astaxanthin could be useful for improving chronic inflammation such as that associated with oral lichen planus.

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