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MiR-526b targets 3' UTR of MMP1 mRNA.


ABSTRACT: Regulation of matrix metalloproteinases (MMPs) is important for many physiological processes involving cancers, inflammation, tissue remodeling and skin aging. Here, we report the novel finding that the expression of MMP1 mRNA is downregulated by the overexpression of miR-526b which is a member of chromosome 19 microRNA cluster (C19MC). Our analysis using reporter constructs containing the 3' untranslated region (3' UTR) of MMP1 and its mutant form showed that the region from 377-383 in the 3' UTR of MMP1 is critical for targeting by miR-526b. In addition, the expression pattern of miR-526b and MMP1 mRNA showed reverse relation between adult dermal and neonatal fibroblasts. We show for the first time that miR-526b, an miRNA belonging to C19MC, can target the 377-383 region of the MMP1 3' UTR.

SUBMITTER: Kim KH 

PROVIDER: S-EPMC4558487 | biostudies-literature | 2015 Aug

REPOSITORIES: biostudies-literature

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miR-526b targets 3' UTR of MMP1 mRNA.

Kim Kyu-Han KH   Jung Ji-Yong JY   Son Eui Dong ED   Shin Dong Wook DW   Noh Minsoo M   Lee Tae Ryong TR  

Experimental & molecular medicine 20150821


Regulation of matrix metalloproteinases (MMPs) is important for many physiological processes involving cancers, inflammation, tissue remodeling and skin aging. Here, we report the novel finding that the expression of MMP1 mRNA is downregulated by the overexpression of miR-526b which is a member of chromosome 19 microRNA cluster (C19MC). Our analysis using reporter constructs containing the 3' untranslated region (3' UTR) of MMP1 and its mutant form showed that the region from 377-383 in the 3' U  ...[more]

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