Food-Derived Compound Apigenin and Luteolin Modulate mRNA Splicing of Introns with Weak Splice Sites

DOI 機関リポジトリ 機関リポジトリ (HANDLE) 機関リポジトリ (HANDLE) HANDLE ほか3件をすべて表示 一部だけ表示 研究データあり 被引用文献4件 参考文献55件 オープンアクセス

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  • Food-Derived Compounds Apigenin and Luteolin Modulate mRNA Splicing of Introns with Weak Splice Sites

説明

Cancer cells often exhibit extreme sensitivity to splicing inhibitors. We identified food-derived flavonoids, apigenin and luteolin, as compounds that modulate mRNA splicing at the genome-wide level, followed by proliferation inhibition. They bind to mRNA splicing-related proteins to induce a widespread change of splicing patterns in treated cells. Their inhibitory activity on splicing is relatively moderate, and introns with weak splice sites tend to be sensitive to them. Such introns remain unspliced, and the resulting intron-containing mRNAs are retained in the nucleus, resulting in the nuclear accumulation of poly(A)+ RNAs in these flavonoid-treated cells. Tumorigenic cells are more susceptible to these flavonoids than nontumorigenic cells, both for the nuclear poly(A)+ RNA-accumulating phenotype and cell viability. This study illustrates the possible mechanism of these flavonoids to suppress tumor progression in vivo that were demonstrated by previous studies and provides the potential of daily intake of moderate splicing inhibitors to prevent cancer development.

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  • iScience

    iScience 22 336-352, 2019-12-20

    Elsevier BV

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