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miR-199a and miR-199b facilitate diffuse gastric cancer progression by targeting Frizzled-6
- Title
- miR-199a and miR-199b facilitate diffuse gastric cancer progression by targeting Frizzled-6
- Authors
- Hong; Soon Auck; Lee; Sieun; Park; Jihye; Mineui; Yoon; Jung-Sook; Heejin; Ji Hyun; Kim; Seoree; Won; Hye Sung; Kang; Keunsoo; Ko; Yoon Ho; Ahn; Young-Ho
- Ewha Authors
- 안영호
- SCOPUS Author ID
- 안영호
- Issue Date
- 2023
- Journal Title
- Scientific Reports
- ISSN
- 2045-2322
- Citation
- Scientific Reports vol. 13, no. 1
- Publisher
- Nature Research
- Indexed
- SCIE; SCOPUS
- Document Type
- Article
- Abstract
- Pathological markers that can monitor the progression of gastric cancer (GC) may facilitate the diagnosis and treatment of patients with diffuse GC (DGC). To identify microRNAs (miRNAs) that can differentiate between early and advanced DGC in the gastric mucosa, miRNA expression profiling was performed using the NanoString nCounter method in human DGC tumors. Ectopic expression of miR-199a and miR-199b (miR-199a/b) in SNU601 human GC cells accelerated the growth rate, viability, and motility of cancer cells and increased the tumor volume and weight in a mouse xenograft model. To study their clinicopathological roles in patients with GC, miR-199a/b levels were measured in human GC tumor samples using in situ hybridization. High miR-199a/b expression level was associated with enhanced lymphovascular invasion, advanced T stage, and lymph-node metastasis. Using the 3′-untranslated region (UTR) luciferase assay, Frizzled-6 (FZD6) was confirmed to be a direct target of miR-199a/b in GC cells. siRNA-mediated depletion of FZD6 enhanced the motility of SNU601 cells, and addback of FZD6 restored cancer cell motility stimulated by miR-199a/b. In conclusion, miR-199a/b promotes DGC progression by targeting FZD6, implying that miR-199a/b can be used as prognostic and diagnostic biomarkers for the disease. © 2023, Springer Nature Limited.
- DOI
- 10.1038/s41598-023-44716-0
- Appears in Collections:
- 의과대학 > 의학과 > Journal papers
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