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Article

LINC00963 Promotes Cancer Stemness, Metastasis, and Drug Resistance in Head and Neck Carcinomas via ABCB5 Regulation

1
School of Dentistry, National Defense Medical Center, Taipei 11490, Taiwan
2
Department of Dentistry, Tri-Service General Hospital, Taipei 11490, Taiwan
3
Department of Anatomy, School of Medicine, China Medical University, Taichung 404, Taiwan
4
School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei 110, Taiwan
5
Division of Oral and Maxillofacial Surgery, Department of Dentistry, Wan Fang Hospital, Taipei Medical University, Taipei 116, Taiwan
6
School of Dentistry, Chung Shan Medical University, Taichung 40201, Taiwan
7
Department of Dentistry, Chung Shan Medical University Hospital, Taichung 40201, Taiwan
8
Institute of Oral Sciences, Chung Shan Medical University, Taichung 40201, Taiwan
*
Authors to whom correspondence should be addressed.
Equal contribution for the first authorship.
Cancers 2020, 12(5), 1073; https://doi.org/10.3390/cancers12051073
Received: 14 February 2020 / Revised: 10 April 2020 / Accepted: 20 April 2020 / Published: 26 April 2020
Accumulating studies have indicated that long non-coding RNAs (lncRNAs) participate in the regulation of cancer stem cells (CSCs), which are crucial in tumor initiation, metastasis, relapse, and therapy resistance. In the current study, RT-PCR analysis was employed to evaluate the expression of LINC00963 in tumor tissues and oral CSCs. Stemness phenotypes and the expression of CSCs markers in oral cancer cells transfected with sh-LINC00963 were examined. Our results showed that the expression of the lncRNA LINC00963 was up-regulated in oral cancer tissues and CSCs. We found that the downregulation of LINC00963 inhibited CSC hallmarks, such as migration, invasion and colony formation capacity. Moreover, suppression of LINC00963 reduced the activity of stemness marker ALDH1, the percentage of self-renewal, chemoresistance and the expression of multidrug-resistance transporter ABCB5. Most importantly, we demonstrated that knockdown of LINC00963 decreased self-renewal, invasion and colony formation ability via ABCB5. Analysis of TCGA (the Cancer Genome Atlas) datasets suggested that the level of LINC00963 was positively correlated with the expression of the cancer stemness markers (Sox2 and CD44) and drug resistance markers (ABCG2 and ABCB5). Altogether, our results showed that suppression of LINC00963 may be beneficial to inhibit chemoresistance and cancer relapse in oral cancer patients. View Full-Text
Keywords: head and neck; lncRNA; LINC00963; cancer stemness; chemoresistance; ABCB5 head and neck; lncRNA; LINC00963; cancer stemness; chemoresistance; ABCB5
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MDPI and ACS Style

Lee, S.-P.; Hsieh, P.-L.; Fang, C.-Y.; Chu, P.-M.; Liao, Y.-W.; Yu, C.-H.; Yu, C.-C.; Tsai, L.-L. LINC00963 Promotes Cancer Stemness, Metastasis, and Drug Resistance in Head and Neck Carcinomas via ABCB5 Regulation. Cancers 2020, 12, 1073. https://doi.org/10.3390/cancers12051073

AMA Style

Lee S-P, Hsieh P-L, Fang C-Y, Chu P-M, Liao Y-W, Yu C-H, Yu C-C, Tsai L-L. LINC00963 Promotes Cancer Stemness, Metastasis, and Drug Resistance in Head and Neck Carcinomas via ABCB5 Regulation. Cancers. 2020; 12(5):1073. https://doi.org/10.3390/cancers12051073

Chicago/Turabian Style

Lee, Shiao-Pieng, Pei-Ling Hsieh, Chih-Yuan Fang, Pei-Ming Chu, Yi-Wen Liao, Chuan-Hang Yu, Cheng-Chia Yu, and Lo-Lin Tsai. 2020. "LINC00963 Promotes Cancer Stemness, Metastasis, and Drug Resistance in Head and Neck Carcinomas via ABCB5 Regulation" Cancers 12, no. 5: 1073. https://doi.org/10.3390/cancers12051073

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