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Depression: 21st Century Solutions + The Dark Side of Wheat

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Abstract Title:

Arctiin regulates collagen type 1α chain 1 mRNA expression in human dermal fibroblasts via the miR‑378b‑SIRT6 axis.

Abstract Source:

Mol Med Rep. 2017 Dec ;16(6):9120-9124. Epub 2017 Oct 2. PMID: 28990056

Abstract Author(s):

Karam Kim, Sungkwan An, Byung Gon Choi, Dahye Joo, Young Min Choi, Kyu Joong Ahn, In-Sook An, Hwa Jun Cha

Article Affiliation:

Karam Kim

Abstract:

Arctiin, a lignin isolated from Arctium lappa, exhibits a variety of biological effects, including anti‑viral, anti‑inflammatory, and anti‑proliferative actions, in mammalian cells. In a previous study, arctiin was demonstrated to induce procollagen type I synthesis and exhibited protective effects against ultraviolet B (UVB) radiation in normal human dermal fibroblasts (nHDFs). However, the underlying molecular mechanism of arctiin‑mediated collagen synthesis remains unknown. In the present study, the mechanism for increased expression of collagen type 1α 1 chain (COL1A1) mRNA in arctiin‑induced nHDFs was identified. The expression of microRNA‑378b (miR‑378b), downregulated by arctiin, was correlated with the expression of sirtuin‑6 (SIRT6) mRNA, a regulator of COL1A1 mRNA. Furthermore, it was revealed that arctiin protected the UVB radiation‑mediated decrease in COL1A1 mRNA expression, through the miR‑378b/SIRT6 signaling pathway. In conclusion, these results suggest that arctiin regulates COL1A1 through the miR‑378b‑SIRT6 axis.

Study Type : In Vitro Study

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Depression: 21st Century Solutions + The Dark Side of Wheat

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