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Long Noncoding RNA FOXC2-AS1 Predicts Poor Survival in Breast Cancer Patients and Promotes Cell Proliferation

Haisong Yang*, Tengxiang Chen, Shu Xu, Shiyong Zhang*, Mengmeng Zhang*

* Department of Breast Surgery, the Affiliated Hospital of Guizhou Medical University, Guizhou, P.R. China
† Department of Physiology, Guizhou Medical University, Guizhou, P.R. China
‡ Department of Pathology, the Affiliated Hospital of Guizhou Medical University, Guizhou, P.R. China

Oncology Research 2019, 27(2), 219-226. https://doi.org/10.3727/096504018X15213126075068

Abstract

Breast cancer (BC) is the most common malignant tumor in women. Recently, long noncoding RNAs (lncRNAs) have been proposed as critical regulators in biological processes, including tumorigenesis. FOXC2-AS1, a single antisense oligonucleotide RNA transcribed from the negative strand of forkhead box protein C2 (FOXC2), has been identified as an oncogene in osteosarcoma. In the present study, we investigated the prognosis value and biological role of FOXC2-AS1 in BC. Our findings revealed that FOXC2-AS1 was significantly increased in BC tissues and cell lines, and Kaplan–Meier survival analysis indicated that a high level of FOXC2-AS1 was associated with poor prognosis of BC patients. Loss of function revealed that silenced FOXC2-AS1 significantly suppressed the proliferation ability, and flow cytometric analysis illustrated the influence of FOXC2- AS1 on cell cycle and apoptosis rate. Finally, we found that cyclin D1, cyclin D2, and cyclin D3 were all partly positively modulated by FOXC2-AS1 in BC. Collectively, FOXC2-AS1 may serve as a promising prognostic biomarker and therapeutic target for BC patients.

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APA Style
Yang, H., Chen, T., Xu, S., Zhang, S., Zhang, M. (2019). Long noncoding RNA FOXC2-AS1 predicts poor survival in breast cancer patients and promotes cell proliferation. Oncology Research, 27(2), 219-226. https://doi.org/10.3727/096504018X15213126075068
Vancouver Style
Yang H, Chen T, Xu S, Zhang S, Zhang M. Long noncoding RNA FOXC2-AS1 predicts poor survival in breast cancer patients and promotes cell proliferation. Oncol Res. 2019;27(2):219-226 https://doi.org/10.3727/096504018X15213126075068
IEEE Style
H. Yang, T. Chen, S. Xu, S. Zhang, and M. Zhang "Long Noncoding RNA FOXC2-AS1 Predicts Poor Survival in Breast Cancer Patients and Promotes Cell Proliferation," Oncol. Res., vol. 27, no. 2, pp. 219-226. 2019. https://doi.org/10.3727/096504018X15213126075068



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