American Association for Cancer Research
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Supplementary Tables S1-S5, S7-S8, S10 from Long Noncoding RNA FAM225A Promotes Nasopharyngeal Carcinoma Tumorigenesis and Metastasis by Acting as ceRNA to Sponge miR-590-3p/miR-1275 and Upregulate ITGB3

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journal contribution
posted on 2023-03-31, 02:43 authored by Zi-Qi Zheng, Zhi-Xuan Li, Guan-Qun Zhou, Li Lin, Lu-Lu Zhang, Jia-Wei Lv, Xiao-Dan Huang, Rui-Qi Liu, FoPing Chen, Xiao-Jun He, Jia Kou, Jian Zhang, Xin Wen, Ying-Qin Li, Jun Ma, Na Liu, Ying Sun

Supplementary Table S1. qPCR primers used in this study Supplementary Table S2. The FAM225A expression level and grouping of samples based on GEO dataset (GSE12452) Supplementary Table S3. Primers used for shRNA plasmid construction Supplementary Table S4. Sequence of miRNA mimic or inhibitor used in this study Supplementary Table S5. Probe sequence of FAM225A in situ hybridization (ISH) Supplementary Table S7. Clinical characteristics of nasopharyngeal carcinoma patients according to the high and low expression of FAM225A. Supplementary Table S8. Univariate and multivariable Cox regression analysis of FAM225A expression level and survival. Supplementary Table S10. Inguinal lymph node metastasis in vivo.


National Natural Science Foundation of China

Natural Science Foundation of Guangdong Province

National Key R&D Program of China



Long noncoding RNAs (lncRNA) play important roles in the tumorigenesis and progression of cancers. However, the clinical significance of lncRNAs and their regulatory mechanisms in nasopharyngeal carcinogenesis (NPC) are largely unknown. Here, based on a microarray analysis, we identified 384 dysregulated lncRNAs, of which, FAM225A was one of the most upregulated lncRNAs in NPC. FAM225A significantly associated with poor survival in NPC. N(6)-Methyladenosine (m6A) was highly enriched within FAM225A and enhanced its RNA stability. FAM225A functioned as an oncogenic lncRNA that promoted NPC cell proliferation, migration, invasion, tumor growth, and metastasis. Mechanistically, FAM225A functioned as a competing endogenous RNA (ceRNA) for sponging miR-590-3p and miR-1275, leading to the upregulation of their target integrin β3 (ITGB3), and the activation of FAK/PI3K/Akt signaling to promote NPC cell proliferation and invasion. In summary, our study reveals a potential ceRNA regulatory pathway in which FAM225A modulates ITGB3 expression by binding to miR-590-3p and miR-1275, ultimately promoting tumorigenesis and metastasis in NPC. These findings demonstrate the clinical significance of the lncRNA FAM225A in nasopharyngeal carcinoma (NPC) and the regulatory mechanism involved in NPC development and progression, providing a novel prognostic indicator and promising therapeutic target.

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