|
rs121913500
|
|
Glioblastoma
|
|
0.800 |
GeneticVariation
|
BEFREE |
Furthermore, SMab-1 specifically stained the IDH1-R132S-expressing glioblastoma cells in immunocytochemistry and immunohistochemistry, but did not react with IDH1-WT or IDH1-R132H-containing glioblastoma cells.
|
21352804 |
2011 |
|
rs121913500
|
|
Glioblastoma
|
|
0.800 |
GeneticVariation
|
BEFREE |
Somatic mutation of Isocitrate dehydrogenase 1 (IDH1) at the locus of R132 (IDH1 (R132H)) occurs in > 70% of WHO grade II-III gliomas and secondary glioblastomas.
|
22785212 |
2012 |
|
rs121913500
|
|
Glioblastoma
|
|
0.800 |
GeneticVariation
|
BEFREE |
We analyzed patients with newly diagnosed GBM and excluded patients who presented with IDH1 R132H mutations.
|
29617848 |
2019 |
|
rs121913500
|
|
Glioblastoma
|
|
0.800 |
GeneticVariation
|
BEFREE |
Somatic mutations of the isocitrate dehydrogenase-1 gene (IDH1), most commonly resulting in replacement of arginine at position 132 by histidine (p.R132H), have been reported for WHO grade II and III diffuse gliomas and secondary glioblastomas.
|
22821382 |
2012 |
|
rs121913500
|
|
Glioblastoma
|
|
0.800 |
GeneticVariation
|
BEFREE |
Mean CBF1 expression is significantly increased in isocitrate dehydrogenase 1 (IDH1) R132H mutant glioblastoma and serves as prognostic marker for prolonged overall survival in brain tumours, particularly after therapy with temozolomide.
|
28571041 |
2017 |
|
rs121913500
|
|
Glioblastoma
|
|
0.800 |
GeneticVariation
|
BEFREE |
Our results suggest that the pathogenesis of multicentric gliomas is different from the mutant IDH1-R132H pathogenesis of lower-grade glioma and secondary glioblastomas.
|
27553586 |
2017 |
|
rs121913500
|
|
Glioblastoma
|
|
0.800 |
GeneticVariation
|
BEFREE |
A total of 15.3% of enrolled GBMs demonstrated loss of ATRX expression (ATRX-), 10.4% expressed an aberrant IDH1 R132H protein (IDH1+), and 48.4% exhibited p53 overexpression (p53+).
|
27478330 |
2016 |
|
rs121913500
|
|
Glioblastoma
|
|
0.800 |
GeneticVariation
|
BEFREE |
In addition, overexpression of IDH1-R132H in glioblastoma cell lines U87 and U251 led to reduced cell proliferation, migration and invasion, accompanied by increased apoptosis.
|
26860959 |
2016 |
|
rs121913500
|
|
Glioblastoma
|
|
0.800 |
GeneticVariation
|
BEFREE |
This group showed absent IDH1-R132</span>H expression, which is characteristic of primary GBM.
|
22197544 |
2012 |
|
rs121913500
|
|
Glioblastoma
|
|
0.800 |
GeneticVariation
|
BEFREE |
Tumor-to-muscle ratios were also significantly higher in U251/IDH1 R132H tumo</span>rs (3.36 ± </span>0.41 vs. 1.88 ± 0.59, p = 0.0030).
|
31667733 |
2019 |
|
rs121913500
|
|
Glioblastoma
|
|
0.800 |
GeneticVariation
|
BEFREE |
Multivariate analysis revealed age, Karnofsky performance score, extent of tumor resection, first-line treatment, year of diagnosis, and MGMT promoter methylation status were associated with survival in patients with IDH1(R132H) -nonmutant glioblastoma.
|
27088883 |
2016 |
|
rs121913500
|
|
Glioblastoma
|
|
0.800 |
GeneticVariation
|
BEFREE |
We prospectively analyzed the clinical data over the course of the disease, baseline MR imaging, and histological characteristics (p53 overexpression, the Ki67 proliferation index, and presence of the IDH1 R132H mutation), in glioblastomas treated in a single hospital from November 2012 to July 2014.
|
28073027 |
2017 |
|
rs121913500
|
|
Glioblastoma
|
|
0.800 |
GeneticVariation
|
BEFREE |
Here we show that SREBPs were up-regulated in U87 human glioblastoma cells transfected with an IDH1(R132H)-expression plasmid.
|
24077277 |
2013 |
|
rs121913500
|
|
Glioblastoma
|
|
0.800 |
GeneticVariation
|
BEFREE |
Expression of R132H mutational IDH1 in human U87 glioblastoma cells affects the SREBP1a pathway and induces cellular proliferation.
|
23011765 |
2013 |
|
rs121913500
|
|
Glioblastoma
|
|
0.800 |
GeneticVariation
|
BEFREE |
To confirm this mutation's role in GSCs, the IDH1-R132H in GSCs isolated from glioblastoma patients with IDH1 mutations was overexpressed by using lentiviral constructs in vitro, and then the proliferation, differentiation, apoptosis, migration and invasion of the transfected GSCs were explored.
|
29115585 |
2018 |
|
rs121913500
|
|
Glioblastoma
|
|
0.800 |
GeneticVariation
|
BEFREE |
The findings of the current study demonstrate presence of the IDH1 R132H mutation in primary human glioblastoma cell lines with upregulated HIF-1α expression, downregulating c-MYC activity and resulting in a consequential decrease in miR-20a, which is responsible for cell proliferation and resistance to standard temozolomide treatment.
|
29625108 |
2018 |
|
rs121913500
|
|
Glioblastoma
|
|
0.800 |
GeneticVariation
|
BEFREE |
Induction of G-CIMP+ state by exogenous expression of a mutated isocitrate dehydrogenase 1, IDH1-R132H, suppressed EGFR and H-Ras protein expression as well as pERK accumulation in independent glioblastoma models.
|
25277177 |
2014 |
|
rs121913500
|
|
Glioblastoma
|
|
0.800 |
GeneticVariation
|
BEFREE |
R132H mutation of isocitrate dehydrogenase 1 (IDH1) is found in ~75% of low-grade gliomas and secondary glioblastomas as well as in several other types of cancer.
|
29792149 |
2018 |
|
rs121913500
|
|
Glioblastoma
|
|
0.800 |
GeneticVariation
|
BEFREE |
In this study, we investigated which genes are differentially regulated in IDH1 wild type (IDH1WT) or IDH1 R132H mutation (IDH1R132H) glioblastoma cells.
|
28445981 |
2017 |
|
rs121913500
|
|
Glioblastoma
|
|
0.800 |
GeneticVariation
|
BEFREE |
Overexpression of IDH1(R132H) and IDH2(R172K) mutant protein in glioblastoma cells resulted in increased radiation sensitivity and altered ROS metabolism and suppression of growth and migration in vitro.
|
23115158 |
2013 |
|
rs121913500
|
|
Glioblastoma
|
|
0.800 |
GeneticVariation
|
BEFREE |
Isocitrate dehydrogenase (IDH) is mutated in >80% of lower-grade infiltrating gliomas in adults and in ~10% of glioblastomas, with IDH1 (R132H) being the most common mutation.
|
30221786 |
2019 |
|
rs121913500
|
|
Glioblastoma
|
|
0.800 |
GeneticVariation
|
BEFREE |
In the subgroup of 142 glioma patients characterized by IDH1-R132H status, METT/N ratio demonstrated a significant prognostic impact in IDH1-R132H wildtype astrocytomas and glioblastoma (P = 0.001).
|
29016947 |
2018 |
|
rs121913500
|
|
Glioblastoma
|
|
0.800 |
GeneticVariation
|
BEFREE |
Isocitrate dehydrogenase 1 (IDH1) gene mutations, primarily of the R132H type, occur in approximately 60 - 90% of diffuse and anaplastic gliomas and secondary glioblastomas.
|
21955925 |
2011 |
|
rs121913500
|
|
Glioblastoma
|
|
0.800 |
GeneticVariation
|
BEFREE |
We identified a small cohort of WHO grade II-III astrocytomas that harbored the IDH1 R132H mutation, as confirmed by both immunohistochemistry and molecular sequence analysis, which nonetheless had unexpectedly rapid recurrence and subsequent progression to glioblastoma.
|
28421459 |
2017 |
|
rs121913500
|
|
Glioblastoma
|
|
0.800 |
GeneticVariation
|
BEFREE |
We highlight the importance of Sox11 expression as a favourable prognosticator in glioblastomas. c-Met/nestin/IDH1-R132H expression phenotypes recapitulate the molecular subgroups of malignant glioma.
|
23619925 |
2013 |