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Extracellular vesicle-shuttled miRNAs as a diagnostic and prognostic biomarker and their potential roles in gallbladder cancer patients

Ueta, Eijiro ; Tsutsumi, Koichiro ; Kato, Hironari ; Matsushita, Hiroshi ; Shiraha, Hidenori ; Fujii, Masakuni ; Matsumoto, Kazuyuki ; Horiguchi, Shigeru ; Okada, Hiroyuki

Scientific reports, 2021-06, Vol.11 (1), p.12298-12298, Article 12298 [Revista revisada por pares]

London: Nature Publishing Group

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  • Título:
    Extracellular vesicle-shuttled miRNAs as a diagnostic and prognostic biomarker and their potential roles in gallbladder cancer patients
  • Autor: Ueta, Eijiro ; Tsutsumi, Koichiro ; Kato, Hironari ; Matsushita, Hiroshi ; Shiraha, Hidenori ; Fujii, Masakuni ; Matsumoto, Kazuyuki ; Horiguchi, Shigeru ; Okada, Hiroyuki
  • Materias: Apoptosis ; Biomarkers ; Cancer ; Cell growth ; Cell proliferation ; Extracellular vesicles ; Gallbladder ; Gallbladder cancer ; MicroRNAs ; miRNA
  • Es parte de: Scientific reports, 2021-06, Vol.11 (1), p.12298-12298, Article 12298
  • Notas: ObjectType-Article-1
    SourceType-Scholarly Journals-1
    ObjectType-Feature-2
    content type line 23
  • Descripción: Abstract Circulating microRNAs (miRNAs) in serum extracellular vesicles (EVs) are a promising biomarker in cancer. We aimed to elucidate the serum EVs miRNA biomarkers to identify patients with gallbladder cancer (GBC) and to clarify their potential roles. One hundred nineteen serum EVs from GBC and non-GBC individuals were isolated by pure-EVs-yieldable size-exclusion chromatography, and then were analyzed using a comprehensive miRNAs array and RT-qPCR-based validation. The functional roles of the identified miRNAs were also investigated using GBC cell lines. Serum EVs miR-1246 and miR-451a were significantly upregulated and downregulated, respectively in GBC patients ( P  = 0.005 and P  = 0.001), in line with their expression levels in cancer tissue according to an in silico analysis. The combination of CEA and CA19-9 with miR-1246 showed the highest diagnostic power (AUC, 0.816; Sensitivity, 72.0%; Specificity, 90.8%), and miR-1246 was an independent prognostic marker of GBC (Hazard ratio, 3.05; P  = 0.017) according to a Cox proportional hazards model. In vitro, miR-1246 promoted cell proliferation and invasion, while miR-451a inhibited cell proliferation and induced apoptosis with the targeting of MIF, PSMB8 and CDKN2D. Taken together, miR-1246 in serum EVs has potential application as a diagnostic and prognostic marker and miR-451a may be a novel therapeutic target in GBC.
  • Editor: London: Nature Publishing Group
  • Idioma: Inglés
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