Title : Long non-coding RNA H19 regulates proliferation and doxorubicin resistance in MCF-7 cells by targeting PARP1.

Pub. Date : 2020 Dec

PMID : 32345117






12 Functional Relationships(s)
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1 Long non-coding RNA H19 regulates proliferation and Doxorubicin resistance in MCF-7 cells by targeting PARP1. Doxorubicin H19 imprinted maternally expressed transcript Homo sapiens
2 The long noncoding RNA H19 (H19) is involved in various stages of tumorigenesis, however, its role in doxorubicin resistance remains unknown. Doxorubicin H19 imprinted maternally expressed transcript Homo sapiens
3 The long noncoding RNA H19 (H19) is involved in various stages of tumorigenesis, however, its role in doxorubicin resistance remains unknown. Doxorubicin H19 imprinted maternally expressed transcript Homo sapiens
4 The goal of this study was to evaluate the role of H19 in the development of doxorubicin-resistant breast cancer. Doxorubicin H19 imprinted maternally expressed transcript Homo sapiens
5 Both knockdown and overexpression of H19 were used to assess the sensitivity to doxorubicin in breast cancer cells in vitro and in vivo. Doxorubicin H19 imprinted maternally expressed transcript Homo sapiens
6 qRT-PCR and Western blot were used to explore the doxorubicin resistance mechanism of H19. Doxorubicin H19 imprinted maternally expressed transcript Homo sapiens
7 We observed that the H19 expression was significantly upregulated in chemotherapy-resistant breast cancer tissues and doxorubicin-resistant breast cancer cell lines. Doxorubicin H19 imprinted maternally expressed transcript Homo sapiens
8 Knockdown of H19 enhanced the sensitivity to doxorubicin both in vitro and in vivo. Doxorubicin H19 imprinted maternally expressed transcript Homo sapiens
9 While H19 overexpression developed doxorubicin-resistant in breast cancer cells both in vitro and in vivo. Doxorubicin H19 imprinted maternally expressed transcript Homo sapiens
10 Furthermore, it was revealed that H19 negatively regulated PARP1 expression in breast cancer cells following doxorubicin treatment. Doxorubicin H19 imprinted maternally expressed transcript Homo sapiens
11 Knockdown of H19 sensitized breast cancer cells to doxorubicin by promoting PARP1 upregulation. Doxorubicin H19 imprinted maternally expressed transcript Homo sapiens
12 H19 overexpression could recapitulate doxorubicin resistance by PARP1 downregulation. Doxorubicin H19 imprinted maternally expressed transcript Homo sapiens