Review Article
Deregulated MicroRNAs in Biliary Tract Cancer: Functional Targets and Potential Biomarkers
Table 1
MicroRNAs are deregulated in biliary tract cancer specimens.
| | miRNA | Tissue | Clinicopathological characteristics associated with deregulated miRNA expression | Target | Ref. |
| Downregulated | 26a | GBC | Advanced histologic grade | HMGA2 | [62] | 34a | EHC, GBC | Poor disease-free and overall survival; increased telomere length; advanced clinical stage; lymph node metastasis | PNUTS, SMAD4 | [39, 40] | 101 | GBC | Enhanced tumor size; enhanced tumor invasion; higher TNM stage; poor survival | | [78] | 122 | Increased expression of PKM2 | PKM2 | [77] | 124 | IHC | | SMYD3 | [68] | 135a-5p | GBC | Advanced histologic grade | VLDLR | [72] | 138 | Increased expression of BAG-1 | BAG-1 | [79] | 144 | CC | Increased expression of LIS1 | LIS1 | [66] | 145 | GBC | Poor survival | MRP | [70] | 200 family | CC | | SUZ12, ROCK2 | [56] | 204 | IHC | Lymph node metastasis | SLUG | [53] | 214 | Enhanced metastatic potential | TWIST | [54] | 370 | CC | | WNT10B | [80] | 373 | hCC | Poor cell differentiation; advanced clinical stage | MBD2 | [63] | 605 | IHC | | PSMD10 | [43] |
| Upregulated | 20a | GBC | Local invasion; distant metastasis; poor prognosis and survival | SMAD7 | [81] | 21 | CC, IHC | Poor disease-free and overall survival; higher clinical stage at diagnosis; poor cell differentiation; lymph node metastasis | 15-PGDH, PDCD4, TIMP3, PTPN14, PTEN | [82–85] | 26a | CC | | GSK-3β | [86] | 92a | | PTEN | [87] | 141 | BTC | Shorter disease-free and overall survival; greater risk of angiolymphatic invasion | | [88] | 155 | GBC | Shorter disease-free survival; lymph node metastasis; vessel invasion | | [89] | 221 | EHC | Shorter disease-free survival; advanced clinical stage | PTEN | [90] |
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CC: cholangiocarcinoma; EHC: extrahepatic cholangiocarcinoma; GBC: gallbladder carcinoma; hCC: hilar cholangiocarcinoma; IHC: intrahepatic cholangiocarcinoma; miRNA: microRNA.
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