Dataset Information

Coordinated Regulation of UGT2B15 Expression by Long Noncoding RNA LINC00574 and hsa-miR-129-5p in HepaRG Cells.

ABSTRACT: Recent studies have shown that microRNAs and long noncoding RNAs (lncRNAs) regulate the expression of drug metabolizing enzymes (DMEs) in human hepatic cells and that a set of DMEs, including UDP glucuronosyltransferase (UGT) 2B15, is down-regulated dramatically in liver cells by toxic acetaminophen (APAP) concentrations. In this study we analyzed mRNA, microRNA, and lncRNA expression profiles in APAP-treated HepaRG cells to explore noncoding RNA-dependent regulation of DME expression. The expression of UGT2B15 and lncRNA LINC00574 was decreased in APAP-treated HepaRG cells. UGT2B15 levels were diminished by LINC00574 suppression using antisense oligonucleotides or small interfering RNA. Furthermore, we found that hsa-miR-129-5p suppressed LINC00574 and decreased UGT2B15 expression via LINC00574 in HepaRG cells. In conclusion, our results indicate that LINC00574 acts as an important regulator of UGT2B15 expression in human hepatic cells, providing experimental evidence and new clues to understand the role of cross-talk between noncoding RNAs. SIGNIFICANCE STATEMENT: We showed a molecular network that displays the cross-talk and consequences among mRNA, micro RNA, long noncoding RNA, and proteins in acetaminophen (APAP)-treated HepaRG cells. APAP treatment increased the level of hsa-miR-129-5p and decreased that of LINC00574, ultimately decreasing the production of UDP glucuronosyltransferase (UGT) 2B15. The proposed regulatory network suppresses UGT2B15 expression through interaction of hsa-miR-129-5p and LINC00574, which may be achieved potentially by recruiting RNA binding proteins.

SUBMITTER: Yu D

PROVIDER: S-EPMC7153565 | biostudies-literature | 2020 Apr

REPOSITORIES: biostudies-literature

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Coordinated Regulation of UGT2B15 Expression by Long Noncoding RNA LINC00574 and hsa-miR-129-5p in HepaRG Cells.

Yu Dianke D Chen Jing J Chen Si S Xu Lin L Wu Leihong L Li Dongying D Luo Jiao J Jin Yuan Y Zhao Yanjie Y Knox Bridgett B Tolleson William H WH Wang Xubing X Guo Lei L Tong Weida W Ning Baitang B

Drug metabolism and disposition: the biological fate of chemicals 20200221 4

Recent studies have shown that microRNAs and long noncoding RNAs (lncRNAs) regulate the expression of drug metabolizing enzymes (DMEs) in human hepatic cells and that a set of DMEs, including UDP glucuronosyltransferase (UGT) 2B15, is down-regulated dramatically in liver cells by toxic acetaminophen (APAP) concentrations. In this study we analyzed mRNA, microRNA, and lncRNA expression profiles in APAP-treated HepaRG cells to explore noncoding RNA-dependent regulation of DME expression. The expre ...[more]

PMID: 32086297

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Project description:Osteoporosis is a frequently occurring bone disease in middle-aged and aged men and women. However, current therapies on this disease are still not ideal. MicroRNAs (miRNAs) are a class of endogenous non-protein-coding RNA with a length of 18-25 nucleotides. miRNAs have been identified as important regulators for development, metabolism, carcinogenesis, and bone formation. miR-129-5p has been reported as a regulator of cancer and neuroscience, whereas studies about its function on bone formation is still limited. In this study, we investigated the function and mechanism of miR-129-5p on osteoblast differentiation and bone formation. We have assessed the expression of miRNAs in bone mesenchymal stem cells from aging and menopause osteoporosis C57BL6 mice. The expression of miR-129-5p was altered in all osteoporosis models. Besides, the expression of miR-129-5p was negatively correlated with osteoblastic differentiation markers in the femur tissues of C57BL/6 mice of different ages. We further demonstrated that overexpression of miR-129-5p inhibited osteoblast differentiation in MC3T3-E1 cell line, as well as bone formation of C57BL/6 mice. On the other hand, down-regulation of miR-129-5p enhanced osteoblast differentiation and bone formation. We also found that miR-129-5p inhibited Wnt/β-catenin pathway in osteoblast. The target gene of miR-129-5p has been forecasted and proved as Tcf4. We further found that plasmid containing Tcf4-3' UTR sequence enhanced osteoblast differentiation, as well as Wnt/β-catenin pathway in MC3T3-E1 cells. To further investigate the rescue effect of miR-129-5p inhibitor, we manufactured bioengineered novel recombinant miR-129-5p inhibitor through Escherichia coli system and then tested its function. The results showed that the novel recombinant miR-129-5p inhibitor promoted osteoblast differentiation and greatly ameliorated menopause osteoporosis in C57BL6 mice. In conclusion, we have discovered miR-129-5p as an inhibitor of bone formation. miR-129-5p inhibited downstream transcription factors of Wnt/β-catenin pathway through targeting Tcf4. Moreover, novel recombinant miR-129-5p inhibitor showed rescue effect on osteoporosis. This study has revealed a new mechanism of osteogenic differentiation and provided novel therapeutic strategies for treatment of skeletal disorders.

Dataset Information

Coordinated Regulation of UGT2B15 Expression by Long Noncoding RNA LINC00574 and hsa-miR-129-5p in HepaRG Cells.

Publications

Coordinated Regulation of UGT2B15 Expression by Long Noncoding RNA LINC00574 and hsa-miR-129-5p in HepaRG Cells.

Similar Datasets

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