Intrahepatic Cholangiocarcinoma
|
0.400 |
Biomarker
|
disease |
BEFREE |
Integrative clustering of genetic and epigenetic data identified four iCCA subgroups with prognostic relevance further designated as IDH, high (H), medium (M), and low (L) alteration groups.
|
30615206 |
2019 |
Intrahepatic Cholangiocarcinoma
|
0.400 |
Biomarker
|
disease |
BEFREE |
IDH1 as a frequently mutated gene has potential effect on exosomes releasement by epigenetically regulating P2RX7 in intrahepatic cholangiocarcinoma.
|
30889491 |
2019 |
Intrahepatic Cholangiocarcinoma
|
0.400 |
GeneticVariation
|
disease |
BEFREE |
Isocitrate dehydrogenase-1 (IDH1) is mutated in up to 25% of cholangiocarcinomas, especially intrahepatic cholangiocarcinoma.
|
31300360 |
2019 |
Intrahepatic Cholangiocarcinoma
|
0.400 |
GeneticVariation
|
disease |
BEFREE |
Mutations typical of intrahepatic cholangiocarcinoma (IDH1/2, PBRM1, FGFR2) were present in 90% of cases with cholangiolocellular carcinoma component.
|
31186529 |
2019 |
Intrahepatic Cholangiocarcinoma
|
0.400 |
GeneticVariation
|
disease |
BEFREE |
IDH1/2 mutations appeared more frequently in ICC (23.6%, P = 0.0002) than in GBC (4.0%) or ECC (2.3%), while ERBB2/3 mutations were found only in GBC (20.0%) and ECC (11.4%).
|
31476489 |
2019 |
Intrahepatic Cholangiocarcinoma
|
0.400 |
GeneticVariation
|
disease |
BEFREE |
Intrahepatic cholangiocarcinomas are most likely to harbor mutations in isocitrate dehydrogenase genes (IDH1, IDH2), fibroblast growth factor receptors (FGFR1, FGFR2, FGFR3), Eph receptor 2 (EPHA2), and BAP1 (gene involved in chromatin remodeling) genes, whereas ARID1B, ELF3, PBRM1, cAMP dependent protein kinase (PRKACA, and PRKACB) genetic mutations were implicated more commonly in distal and perihilar subtypes.
|
31255945 |
2019 |
Intrahepatic Cholangiocarcinoma
|
0.400 |
Biomarker
|
disease |
BEFREE |
Mutations in IDH1 (mIDH1) define a molecular subclass of intrahepatic cholangiocarcinoma and IDH-targeted therapies are in development.
|
31121195 |
2019 |
Intrahepatic Cholangiocarcinoma
|
0.400 |
GeneticVariation
|
disease |
BEFREE |
Large-duct iCCA and pCCA more frequently had the loss of SMAD4 expression and MDM2 amplifications than small-duct iCCA, whereas the loss of BAP1 expression and IDH1 mutations were mostly restricted to small-duct iCCA.
|
30170977 |
2019 |
Intrahepatic Cholangiocarcinoma
|
0.400 |
AlteredExpression
|
disease |
BEFREE |
Beclin-1, ARID1A, CA9 and IDH1 were highly expressed in ICC tumor tissues.
|
30849962 |
2019 |
Intrahepatic Cholangiocarcinoma
|
0.400 |
GeneticVariation
|
disease |
BEFREE |
Isocitrate dehydrogenases 1 and 2 (IDH1/2), KRAS protooncogene GTPase (KRAS), a RAS Viral Oncogene Homolog in neoroblastoma (NRAS) and P53 are primary genetic alterations in ICC.
|
29353494 |
2018 |
Intrahepatic Cholangiocarcinoma
|
0.400 |
Biomarker
|
disease |
BEFREE |
D-2HG serum level measurement by liquid chromatography coupled to tandem mass spectrometry is a sensitive, specific, precise (a coefficient of variation <10% and an accuracy >95%), fast (9 min run per sample) and inexpensive surrogate marker of IDH1/2 somatic mutation in ICC.
|
29274619 |
2018 |
Intrahepatic Cholangiocarcinoma
|
0.400 |
GeneticVariation
|
disease |
BEFREE |
Mutations in isocitrate dehydrogenase 1 and 2 (IDH1/2) are exclusively found in almost 20% of intrahepatic cholangiocarcinoma (ICC).
|
30156013 |
2018 |
Intrahepatic Cholangiocarcinoma
|
0.400 |
GeneticVariation
|
disease |
BEFREE |
Akt signaling was suppressed in IHCC cell lines expressing a mutant IDH1.
|
30278918 |
2018 |
Intrahepatic Cholangiocarcinoma
|
0.400 |
GeneticVariation
|
disease |
BEFREE |
ARID1A, PBRM1, and IDH1 were frequently mutated in ICC.
|
29408647 |
2018 |
Intrahepatic Cholangiocarcinoma
|
0.400 |
GeneticVariation
|
disease |
BEFREE |
IDH mutations were identified more frequently in ICCs with BAP1 loss.
|
27864835 |
2017 |
Intrahepatic Cholangiocarcinoma
|
0.400 |
GeneticVariation
|
disease |
BEFREE |
Novel genomic alterations such as <i>FGFR2</i> fusions and <i>IDH1/2</i> mutations in intrahepatic cholangiocarcinoma (ICC) and <i>ERBB2</i> alterations in gallbladder cancer (GBCA) are emerging as targeted therapy options capable of advancing precision medicine for the care of these patients.
|
28567120 |
2017 |
Intrahepatic Cholangiocarcinoma
|
0.400 |
GeneticVariation
|
disease |
BEFREE |
Although the IDH1 mutation rate between iCC and HCC demonstrated no significant difference, clear cell HCC revealed statistically increased mutation rate compared to that of HCC without clear cell change (P = 0.009).
|
28403884 |
2017 |
Intrahepatic Cholangiocarcinoma
|
0.400 |
GeneticVariation
|
disease |
BEFREE |
Specificities are observed for some alterations and anatomical subtypes: frequent fibroblast growth factor receptor 2 (FGFR2) and isocitrate dehydrogenase 1/2 (IDH1/2) alterations are specific to intrahepatic cholangiocarcinomas (ICCs), whereas frequent ERBB2 oncogene alterations are specific to extrahepatic cholangiocarcinomas (ECCs) and gallbladder carcinomas (GBCs).
|
28628842 |
2017 |
Intrahepatic Cholangiocarcinoma
|
0.400 |
Biomarker
|
disease |
BEFREE |
In CHC-SC-CLCs, the mutation rate of isocitrate dehydrogenase 1 (IDH1) or IDH2 was significantly higher (35%) than in MF (4%) or non-MF (0) ICCs (P < .001).
|
28431889 |
2017 |
Intrahepatic Cholangiocarcinoma
|
0.400 |
GeneticVariation
|
disease |
BEFREE |
Immunohistochemistry using monoclonal antibody MsMab-2 is useful to detect IDH1 R132L in intrahepatic cholangiocarcinoma.
|
27595804 |
2016 |
Intrahepatic Cholangiocarcinoma
|
0.400 |
Biomarker
|
disease |
BEFREE |
The most frequently mutated genes in EH-PCC were KRAS (47.4 %), TP53 (23.7 %) and ARID1A (15.8 %); in IH-PCC were KRAS (22.2 %), PBRM1 (16.7 %), and PIK3CA (16.7 %); and in ICC were IDH1 (17.1 %), NRAS (17.1 %), and BAP1 (14.3 %).
|
26717940 |
2016 |
Intrahepatic Cholangiocarcinoma
|
0.400 |
GeneticVariation
|
disease |
BEFREE |
Genetic analyses revealed that KRAS mutation was significantly more frequent in type 1 ICC, whereas IDH mutation and FGFR2 translocation were restricted to type 2 ICC.
|
27259014 |
2016 |
Intrahepatic Cholangiocarcinoma
|
0.400 |
GeneticVariation
|
disease |
BEFREE |
IDH mutations define a distinct subtype of ICC, a malignancy that is largely refractory to current therapies.
|
27231123 |
2016 |
Intrahepatic Cholangiocarcinoma
|
0.400 |
GeneticVariation
|
disease |
BEFREE |
Fibroblast growth factor receptor (FGFR; 11%) and IDH mutations (20%) were mostly limited to IHCCA but appeared to be mutually exclusive.
|
27622582 |
2016 |
Intrahepatic Cholangiocarcinoma
|
0.400 |
Biomarker
|
disease |
BEFREE |
IDH1 and IDH2 are homodimeric enzymes that catalyze the conversion of isocitrate to α-ketoglutarate (α-KG) and concomitantly produce reduced NADPH from NADP(+) Mutations in the genes encoding IDH1 and IDH2 have recently been found in a variety of human cancers, most commonly glioma, acute myeloid leukemia (AML), chondrosarcoma, and intrahepatic cholangiocarcinoma.
|
26819452 |
2016 |