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Article

MALAT1 promotes angiogenesis of breast cancer

  • Authors:
    • Xiao‑Juan Huang
    • Yu Xia
    • Gui‑Fang He
    • Lu‑Lu Zheng
    • Yong‑Ping Cai
    • Yu Yin
    • Qiang Wu
  • View Affiliations / Copyright

    Affiliations: Department of Pathology, Anhui Medical University, Hefei, Anhui 230032, P.R. China, Department of Pathology, Anhui Medical University, Hefei, Anhui 230032, P.R. China
  • Pages: 2683-2689
    |
    Published online on: September 13, 2018
       https://doi.org/10.3892/or.2018.6705
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Abstract

Metastasis‑associated lung adenocarcinoma transcript 1 (MALAT1) is a long non‑coding RNA (lncRNA) that has an oncogenic role in some types of cancers, uncluding breast cancer (BC). To investigate the role of MALAT1 in human BC progression, we detected MALAT1 expression levels based on tissue samples from 20 BC cases and 20 healthy controls and found MALAT1 expression levels to be significantly high (P<0.05). Then, we knocked down endogenous MALAT1 in MCF‑7 cells using MALAT1 short hairpin RNA (shRNA). The results revealed that MALAT1 knockdown could significantly inhibit proliferation, migration, and tube formation in vitro. In addition, miR‑145 expression inversely changed in BC tissue cases. Furthermore, knockdown of endogenous MALAT1 significantly increased miR‑145 levels in MCF‑7 cells. This finding indicated an interaction between MALAT1 and miR‑145. In addition, knockdown of MALAT1 significantly reduced the expression of vascular endothelial growth factor in MCF‑7 cells. This outcome revealed that MALAT1 promoted angiogenesis in BC, which may be related to the expression of miR‑145.
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Copy and paste a formatted citation
Spandidos Publications style
Huang XJ, Xia Y, He GF, Zheng LL, Cai YP, Yin Y and Wu Q: MALAT1 promotes angiogenesis of breast cancer. Oncol Rep 40: 2683-2689, 2018.
APA
Huang, X., Xia, Y., He, G., Zheng, L., Cai, Y., Yin, Y., & Wu, Q. (2018). MALAT1 promotes angiogenesis of breast cancer. Oncology Reports, 40, 2683-2689. https://doi.org/10.3892/or.2018.6705
MLA
Huang, X., Xia, Y., He, G., Zheng, L., Cai, Y., Yin, Y., Wu, Q."MALAT1 promotes angiogenesis of breast cancer". Oncology Reports 40.5 (2018): 2683-2689.
Chicago
Huang, X., Xia, Y., He, G., Zheng, L., Cai, Y., Yin, Y., Wu, Q."MALAT1 promotes angiogenesis of breast cancer". Oncology Reports 40, no. 5 (2018): 2683-2689. https://doi.org/10.3892/or.2018.6705
Copy and paste a formatted citation
x
Spandidos Publications style
Huang XJ, Xia Y, He GF, Zheng LL, Cai YP, Yin Y and Wu Q: MALAT1 promotes angiogenesis of breast cancer. Oncol Rep 40: 2683-2689, 2018.
APA
Huang, X., Xia, Y., He, G., Zheng, L., Cai, Y., Yin, Y., & Wu, Q. (2018). MALAT1 promotes angiogenesis of breast cancer. Oncology Reports, 40, 2683-2689. https://doi.org/10.3892/or.2018.6705
MLA
Huang, X., Xia, Y., He, G., Zheng, L., Cai, Y., Yin, Y., Wu, Q."MALAT1 promotes angiogenesis of breast cancer". Oncology Reports 40.5 (2018): 2683-2689.
Chicago
Huang, X., Xia, Y., He, G., Zheng, L., Cai, Y., Yin, Y., Wu, Q."MALAT1 promotes angiogenesis of breast cancer". Oncology Reports 40, no. 5 (2018): 2683-2689. https://doi.org/10.3892/or.2018.6705
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