melanoma
|
0.700 |
GeneticVariation
|
disease |
BEFREE |
Whereas many studies have analyzed RAF and PI3K signaling in mutant NRAS melanoma, the role of RalGEF/Ral is understudied and TBK1 has not been examined.
|
24962318 |
2014 |
melanoma
|
0.700 |
GeneticVariation
|
disease |
BEFREE |
When compared to WT, multivariate analysis of melanoma-specific survival (MSS) identified NRAS mutations as an adverse prognostic factor [hazard ratio (HR) 2.96; P = 0.04] but not BRAF(V600E) mutations (HR 1.73; P = 0.23).
|
21615881 |
2011 |
melanoma
|
0.700 |
GeneticVariation
|
disease |
BEFREE |
When NRAS(G12D) was expressed in the melanocytes of developing embryos, it induced melanocyte proliferation and congenital melanocytic lesions reminiscent of human blue nevi but did not induce cutaneous melanoma.
|
23303902 |
2013 |
melanoma
|
0.700 |
Biomarker
|
disease |
LHGDN |
We suggest that co-overexpression of KIT/CDK4 is a potential mechanism of oncogenic transformation in some BRAF/NRAS wild-type melanomas.
|
18632627 |
2008 |
melanoma
|
0.700 |
GeneticVariation
|
disease |
BEFREE |
We sought to evaluate whether tumor genotype (e.g., NRAS mutations) correlates with benefit from immune therapy in melanoma.
|
25736262 |
2015 |
melanoma
|
0.700 |
Biomarker
|
disease |
BEFREE |
We sought to determine for 1,227 participants in the international population-based Genes, Environment, and Melanoma (GEM) study whether MC1R and phenotypes were associated with melanoma BRAF/NRAS subtypes.
|
28842324 |
2017 |
melanoma
|
0.700 |
GeneticVariation
|
disease |
BEFREE |
We searched for point mutations in the N-ras gene in a large series of primary and metastatic MM from 81 different retrospectively selected patients using the very sensitive denaturing gradient gel electrophoresis technique, followed by sequencing.
|
11406571 |
2001 |
melanoma
|
0.700 |
GeneticVariation
|
disease |
BEFREE |
We screened 85 melanoma samples for the most common B-RAF and N-RAS mutations found in melanoma using a site-directed mutagenesis-based detection technique.
|
14695143 |
2003 |
melanoma
|
0.700 |
GeneticVariation
|
disease |
BEFREE |
We screened 115 melanoma samples for the most common B-RAF and N-RAS mutations found in melanoma using a site-directed mutagenesis-based detection technique.
|
15737846 |
2005 |
melanoma
|
0.700 |
GeneticVariation
|
disease |
BEFREE |
We retrospectively analyzed 17 cases and focused on the histologic presentation and the expression of c-Kit, epidermal growth factor receptor (EGFR), cyclin D1/Bcl-1, PS100, and HMB45 and searched for BRAF, NRAS, and KIT mutations that are known to be associated with melanoma subtypes, together with amplifications of KIT, cyclin D1, cyclin-dependent kinase 4, MDM2, and microphthalmia-associated transcription factor using quantitative polymerase chain reaction.
|
23664541 |
2013 |
melanoma
|
0.700 |
AlteredExpression
|
disease |
BEFREE |
We now show that recently discovered NRAS isoform 2 is up-regulated in the setting of BRAF inhibitor resistance in melanoma, in both cell lines and patient tumor tissues.
|
28827320 |
2017 |
melanoma
|
0.700 |
Biomarker
|
disease |
BEFREE |
We noted 197 regional amplifications, including some centered on the melanoma oncogenes MITF (n = 9), NRAS (n = 3), BRAF (n = 3), and CCND1 (n = 3).
|
17363583 |
2007 |
melanoma
|
0.700 |
AlteredExpression
|
disease |
BEFREE |
We investigated the regulation of TERT expression in melanoma cell lines and our results show that promoter mutations render TERT expression dependent on MAPK activation due to oncogenic BRAF or NRAS mutations.
|
27449293 |
2016 |
melanoma
|
0.700 |
GeneticVariation
|
disease |
BEFREE |
We investigated the clinical and pathological associations of RAC1(P29S) in a cohort of 814 primary cutaneous melanomas with known BRAF and NRAS mutation status.
|
25043693 |
2014 |
melanoma
|
0.700 |
GeneticVariation
|
disease |
BEFREE |
We investigated the associations between BRAF(V600E) and NRAS(Q61R) mutations and known risk factors, clinicopathologic characteristics and clinical outcomes of melanoma in a case series of primary invasive cutaneous melanoma from the Nurses' Health Study (NHS).
|
25048604 |
2014 |
melanoma
|
0.700 |
GeneticVariation
|
disease |
BEFREE |
We have previously shown that mutations in the N-ras gene occur more frequently in melanomas originating from sun-exposed body sites, indicating that these mutations are UV induced.
|
10070891 |
1999 |
melanoma
|
0.700 |
GeneticVariation
|
disease |
BEFREE |
We have investigated 37 sporadic malignant melanomas (15 primary cutaneous melanomas and 22 melanoma metastases) and 6 melanoma cell lines for mutations in the 3 Ras genes NRAS, KRAS and HRAS.
|
14961576 |
2004 |
melanoma
|
0.700 |
GeneticVariation
|
disease |
BEFREE |
We have evaluated five real-time ARMS assays: BRAF 1799T>A, [this includes V600E and V600K] and NRAS 182A>G [Q61R] and 181C>A [Q61K] in melanoma, EGFR 2573T>G [L858R], 2235-2249del15 [E746-A750del] in non-small-cell lung cancer, and compared the results to DNA sequencing of the mutation 'hot-spots' in these genes in formalin-fixed paraffin-embedded tumour (FF-PET) DNA.
|
20925915 |
2010 |
melanoma
|
0.700 |
GeneticVariation
|
disease |
BEFREE |
We have not found significant correlation between mutational status (BRAF/NRAS) and OS; however, for BRAF or NRAS mutated melanomas we observed significantly shorter disease-free survival (DFS) when compared with wild-type melanoma patients (p = .04; 5-year DFS, 18 vs 19 vs 31 %, respectively).
|
24866436 |
2014 |
melanoma
|
0.700 |
GeneticVariation
|
disease |
BEFREE |
We further show that 2ME is effective against melanoma with different BRAF and NRAS mutational status.
|
28212889 |
2017 |
melanoma
|
0.700 |
AlteredExpression
|
disease |
BEFREE |
We found that the RICTOR locus is frequently amplified and overexpressed in melanoma and that RICTOR over-expression in NRAS-transformed melanocytes stimulates their clonogenicity, demonstrating that RICTOR amplification can cooperate with NRAS mutation to stimulate melanoma proliferation.
|
26356562 |
2015 |
melanoma
|
0.700 |
GeneticVariation
|
disease |
BEFREE |
We found that a subset of BRAF- and NRAS-mutant human melanomas resistant to the MEK inhibitor selumetinib displayed increased oxidative phosphorylation (OxPhos) mediated by the transcriptional coactivator PGC1α.
|
25297634 |
2014 |
melanoma
|
0.700 |
GeneticVariation
|
disease |
BEFREE |
We found few significantly somatically mutated genes (~6 per spontaneous and 15 per UVR-induced melanoma) in addition to the Cdk4 and NRAS mutations already present.
|
26477315 |
2016 |
melanoma
|
0.700 |
GeneticVariation
|
disease |
BEFREE |
We do not observe this pathway in NRAS mutant melanoma or BRAF mutant colorectal cells.
|
21215707 |
2011 |
melanoma
|
0.700 |
Biomarker
|
disease |
BEFREE |
We defined and assessed a panel of histomorphologic measures and correlated them with the mutation status of the oncogenes BRAF and NRAS in a cohort of 302 archival tissues of primary cutaneous melanomas from an academic comprehensive cancer center.
|
18532874 |
2008 |