Hsa-miR-301a-3p Acts as an Oncogene in Laryngeal Squamous Cell Carcinoma via Target Regulation of Smad4

Lu, Yan; Gao, Wei; Zhang, Chunming; Wen, Shuxin; Huangfu, Hui; Kang, Jian; Wang, Binquan

doi:10.7150/jca.12659

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J Cancer 2015; 6(12):1260-1275. doi:10.7150/jca.12659 This issue Cite

Research Paper

Hsa-miR-301a-3p Acts as an Oncogene in Laryngeal Squamous Cell Carcinoma via Target Regulation of Smad4

Yan Lu^1,3,#, Wei Gao^1,2,#, Chunming Zhang^1,2, Shuxin Wen^1,2, Hui Huangfu^1,2, Jian Kang³, Binquan Wang^1,2,✉

1. Department of Otolaryngology, Head & Neck Surgery, The First Hospital Affiliated with Shanxi Medical University, Taiyuan, Shanxi, 030001, China
2. Shanxi Key Laboratory of Otolaryngology Head & Neck Cancer, Taiyuan, Shanxi, 030001, China
3. Department of Otolaryngology, Head & Neck Surgery, The First Hospital Affiliated with Liaoning Medical University, Jinzhou, Liaoning, 121001, China
# These authors contributed equally to this work.

Citation:

Lu Y, Gao W, Zhang C, Wen S, Huangfu H, Kang J, Wang B. Hsa-miR-301a-3p Acts as an Oncogene in Laryngeal Squamous Cell Carcinoma via Target Regulation of Smad4. J Cancer 2015; 6(12):1260-1275. doi:10.7150/jca.12659. https://www.jcancer.org/v06p1260.htm

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Abstract

Laryngeal squamous cell carcinoma (LSCC) is the second most common malignant head and neck squamous cell carcinoma. Exploring the molecular indicators of malignant behavior will enhance our knowledge of this type cancer and provide novel options for its prevention, diagnosis, and treatment. MicroRNA might exert regulatory roles as oncogenes or anti-oncogenes. We studied the expression of miR-301a-3p in LSCC tissues and cell lines and conducted a functional analysis of miR-301a-3p to confirm if miR-301a-3p functions as an oncogene in LSCC. We found Smad4 to be one of the potential target genes of miR-301a-3p, and it functioned as a tumor suppressor in LSCC. Hsa-miR-301a-3p participated in the epithelial-mesenchymal transition (EMT) process, which is considered to be linked to the process of LSCC development. Our present findings indicate that miR-301a-3p acts as an oncogene by directly regulating the anti-oncogene Smad4, thereby playing a role in the occurrence and development of LSCC. The present findings are expected to help in the development of novel targets for the prevention and treatment of LSCC.

Keywords: Laryngeal neoplasms, Squamous cell carcinoma, MicroRNAs, Hsa-miR-301a-3p, Smad4

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APA

Lu, Y., Gao, W., Zhang, C., Wen, S., Huangfu, H., Kang, J., Wang, B. (2015). Hsa-miR-301a-3p Acts as an Oncogene in Laryngeal Squamous Cell Carcinoma via Target Regulation of Smad4. Journal of Cancer, 6(12), 1260-1275. https://doi.org/10.7150/jca.12659.

ACS

Lu, Y.; Gao, W.; Zhang, C.; Wen, S.; Huangfu, H.; Kang, J.; Wang, B. Hsa-miR-301a-3p Acts as an Oncogene in Laryngeal Squamous Cell Carcinoma via Target Regulation of Smad4. J. Cancer 2015, 6 (12), 1260-1275. DOI: 10.7150/jca.12659.

NLM

CSE

Lu Y, Gao W, Zhang C, Wen S, Huangfu H, Kang J, Wang B. 2015. Hsa-miR-301a-3p Acts as an Oncogene in Laryngeal Squamous Cell Carcinoma via Target Regulation of Smad4. J Cancer. 6(12):1260-1275.

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