Effect of Antisense Oligodeoxynucleotides Glucose Transporter-1 on Enhancement of Radiosensitivity of Laryngeal Carcinoma

Yan, Sen-Xiang; Luo, Xing-Mei; Zhou, Shui-Hong; Bao, Yang-Yang; Fan, Jun; Lu, Zhong-Jie; Liao, Xin-Biao; Huang, Ya-Ping; Wu, Ting-Ting; Wang, Qin-Ying

doi:10.7150/ijms.6855

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Int J Med Sci 2013; 10(10):1375-1386. doi:10.7150/ijms.6855 This issue Cite

Research Paper

Effect of Antisense Oligodeoxynucleotides Glucose Transporter-1 on Enhancement of Radiosensitivity of Laryngeal Carcinoma

Sen-Xiang Yan¹, Xing-Mei Luo¹, Shui-Hong Zhou^{2 ✉}, Yang-Yang Bao², Jun Fan³, Zhong-Jie Lu¹, Xin-Biao Liao¹, Ya-Ping Huang³, Ting-Ting Wu², Qin-Ying Wang²

1. Department of Radiotherapy, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang, 310003, China
2. Department of Otolaryngology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang, 310003,China
3. State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou 310003, China.

Citation:

Yan SX, Luo XM, Zhou SH, Bao YY, Fan J, Lu ZJ, Liao XB, Huang YP, Wu TT, Wang QY. Effect of Antisense Oligodeoxynucleotides Glucose Transporter-1 on Enhancement of Radiosensitivity of Laryngeal Carcinoma. Int J Med Sci 2013; 10(10):1375-1386. doi:10.7150/ijms.6855. https://www.medsci.org/v10p1375.htm

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Abstract

Purpose: Laryngeal carcinomas always resist to radiotherapy. Hypoxia is an important factor in radioresistance of laryngeal carcinoma. Glucose transporter-1 (GLUT-1) is considered to be a possible intrinsic marker of hypoxia in malignant tumors. We speculated that the inhibition of GLUT-1 expression might improve the radiosensitivity of laryngeal carcinoma. Methods: We assessed the effect of GLUT-1 expression on radioresistance of laryngeal carcinoma and the effect of GLUT-1 expressions by antisense oligodeoxynucleotides (AS-ODNs) on the radiosensitivity of laryngeal carcinoma in vitro and in vivo. Results: After transfection of GLUT-1 AS-ODNs: MTS assay showed the survival rates of radiation groups were reduced with the prolongation of culture time (p<0.05); Cell survival rates were significantly reduced along with the increasing of radiation dose (p<0.05). There was significant difference in the expression of GLUT-1mRNA and protein in the same X-ray dose between before and after X-ray radiation (p<0.05). In vivo, the expressions of GLUT-1 mRNA and protein after 8Gy radiation plus transfection of GLUT-1 AS-ODNs were significant decreased compared to 8Gy radiation alone (p<0.001). Conclusion: Radioresistance of laryngeal carcinoma may be associated with increased expression of GLUT-1 mRNA and protein. GLUT-1 AS-ODNs may enhance the radiosensitivity of laryngeal carcinoma mainly by inhibiting the expression of GLUT-1.

Keywords: Laryngeal carcinoma, Glucose transporter-1, antisense oligodeoxynucleotides, Radiosensitivity

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APA

Yan, S.X., Luo, X.M., Zhou, S.H., Bao, Y.Y., Fan, J., Lu, Z.J., Liao, X.B., Huang, Y.P., Wu, T.T., Wang, Q.Y. (2013). Effect of Antisense Oligodeoxynucleotides Glucose Transporter-1 on Enhancement of Radiosensitivity of Laryngeal Carcinoma. International Journal of Medical Sciences, 10(10), 1375-1386. https://doi.org/10.7150/ijms.6855.

ACS

Yan, S.X.; Luo, X.M.; Zhou, S.H.; Bao, Y.Y.; Fan, J.; Lu, Z.J.; Liao, X.B.; Huang, Y.P.; Wu, T.T.; Wang, Q.Y. Effect of Antisense Oligodeoxynucleotides Glucose Transporter-1 on Enhancement of Radiosensitivity of Laryngeal Carcinoma. Int. J. Med. Sci. 2013, 10 (10), 1375-1386. DOI: 10.7150/ijms.6855.

NLM

CSE

Yan SX, Luo XM, Zhou SH, Bao YY, Fan J, Lu ZJ, Liao XB, Huang YP, Wu TT, Wang QY. 2013. Effect of Antisense Oligodeoxynucleotides Glucose Transporter-1 on Enhancement of Radiosensitivity of Laryngeal Carcinoma. Int J Med Sci. 10(10):1375-1386.

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