|
rs1057519847
|
|
|
0.100 |
GeneticVariation |
BEFREE |
A 62-year-old Asian male never smoker who presented with stage IV EGFR L858R-positive adenocarcinoma developed EGFR T790 M mutation after 14 months of treatment with erlotinib combined with thoracic radiotherapy as first-line therapy.
|
30400855 |
2018 |
|
rs1057519847
|
|
|
0.100 |
GeneticVariation |
BEFREE |
In this prospective study, EGFR exon 19 deletion or L858R mutations in adenocarcinoma were the best predictors for longer TTF in stage IIIB/IV chemotherapy-naive NSCLC patients receiving first-line gefitinib monotherapy.
|
18509184 |
2008 |
|
rs1057519847
|
|
|
0.100 |
GeneticVariation |
BEFREE |
EGFR L858R was more frequently harbored in the MP+ adenocarcinoma patients than in the MP- adenocarcinoma patients.
|
31732945 |
2020 |
|
rs1057519847
|
|
|
0.100 |
GeneticVariation |
BEFREE |
Twenty-six patients were enrolled, all of whom were diagnosed with adenocarcinoma with EGFR mutations (19del: 16, L858R: 10) except one (squamous cell carcinoma with 19del).
|
24369725 |
2013 |
|
rs1057519847
|
|
|
0.100 |
GeneticVariation |
BEFREE |
IHC was performed using mutation-specific antibodies for E746-A750 deletion (DEL) and L858R point mutation (L858R) in biopsies and tissue microarrays of resected tumors from 154 patients with pulmonary adenocarcinoma.
|
25687872 |
2015 |
|
rs1057519847
|
|
|
0.100 |
GeneticVariation |
BEFREE |
All tumors had adenocarcinoma histology, and 20 patients (62.5 %) had an L858R mutation.
|
26003540 |
2015 |
|
rs1057519847
|
|
|
0.100 |
GeneticVariation |
BEFREE |
We demonstrated that adenocarcinomas with L858R mutation, rather than exon 19 deletion or wild-type EGFR gene, prefer to locate over the upper lungs.
|
26645716 |
2016 |
|
rs1057519847
|
|
|
0.100 |
GeneticVariation |
BEFREE |
A 44-year-old male, never smoker, suffers from stage IV adenocarcinoma of the right lung with epidermal growth factor receptor (EGFR) exon-21 L858R point mutation on initial presentation.
|
28296233 |
2017 |
|
rs1057519847
|
|
|
0.100 |
GeneticVariation |
BEFREE |
No significant differences in pathological stage and metastasis status were found between EGFR wild-type and mutated cases, although EGFR mutation type was related to pathological type (p=0.00) - 19-del, L858R and other mutation types respectively occurred in 34.2%, 42.5% and 23.3% of adenocarcinomas, but in 14.3%, 0% and 85.7% of non-adenocarcinomas.
|
27039821 |
2016 |
|
rs1057519847
|
|
|
0.100 |
GeneticVariation |
BEFREE |
Although 19-deletion and L858R were the most common EGFR mutations, there was no difference of EGFR mutation in pathological subtypes of adenocarcinoma.
|
27032467 |
2016 |
|
rs1057519848
|
|
|
0.100 |
GeneticVariation |
BEFREE |
Pulmonary adenocarcinoma tissue from 20 previously genotyped specimens was prepared for immunohistochemical staining by two antibodies that recognise products of in-frame deletions in exon 19 (E746_A750del) and a point mutation that replaces leucine with arginine at codon 858 in exon 21 (L858R) of the EGFR gene.
|
21187519 |
2010 |
|
rs1057519848
|
|
|
0.100 |
GeneticVariation |
BEFREE |
EGFR mutations (ex19del and L858R) were detected in 1759/8716 (20.2 %) adenocarcinomas, 28/669 (4.2 %) squamous cell carcinomas (SCC) and 8/119 (6.7 %) large cell carcinomas.
|
27259329 |
2016 |
|
rs1057519848
|
|
|
0.100 |
GeneticVariation |
BEFREE |
Herein, we report a case of 2 synchronous lung adenocarcinomas composed of 2 distinct pathological subtypes with different EGFR mutations: homozygous deletion in exon 19 in the papillary subtype of adenocarcinoma and a point mutation of L858R in exon 21 in the tubular adenocarcinoma.
|
18186961 |
2007 |
|
rs1057519848
|
|
|
0.100 |
GeneticVariation |
BEFREE |
A 44-year-old male, never smoker, suffers from stage IV adenocarcinoma of the right lung with epidermal growth factor receptor (EGFR) exon-21 L858R point mutation on initial presentation.
|
28296233 |
2017 |
|
rs1057519848
|
|
|
0.100 |
GeneticVariation |
BEFREE |
No significant differences in pathological stage and metastasis status were found between EGFR wild-type and mutated cases, although EGFR mutation type was related to pathological type (p=0.00) - 19-del, L858R and other mutation types respectively occurred in 34.2%, 42.5% and 23.3% of adenocarcinomas, but in 14.3%, 0% and 85.7% of non-adenocarcinomas.
|
27039821 |
2016 |
|
rs1057519848
|
|
|
0.100 |
GeneticVariation |
BEFREE |
In the ADC/BAC group, KRAS mutations were more frequent in man (P<0.02) and EGFR mutations (exon 19 deletion and L858R) demonstrated a tendency towards worse disease-free survival (P=0.056).
|
23357969 |
2014 |
|
rs1057519848
|
|
|
0.100 |
GeneticVariation |
BEFREE |
Pretreatment evaluation of EGFR mutations in the resected primary adenocarcinoma specimen showed an L858R mutation in exon 21.
|
24852875 |
2014 |
|
rs1057519848
|
|
|
0.100 |
GeneticVariation |
BEFREE |
Seven adenocarcinoma components were EGFR mutated: five exon 19 deletions and two mutations in exon 21 (L833_V834delinsFL and L858R).Four SCLC components were EGFR mutated.
|
24457237 |
2013 |
|
rs1057519848
|
|
|
0.100 |
GeneticVariation |
BEFREE |
EGFR L858R was more frequently harbored in the MP+ adenocarcinoma patients than in the MP- adenocarcinoma patients.
|
31732945 |
2020 |
|
rs1057519848
|
|
|
0.100 |
GeneticVariation |
BEFREE |
Finally, we showed that EGFR(L858R)/Rhob(+/+) mice developed mainly diffuse lung tumors with a lepidic pattern, whereas EGFR(L858R)/Rhob(+/-) and EGFR(L858R)/Rhob(-/-) developed a greater number of tumors, and aggressive adenocarcinomas with invasive properties.
|
25320360 |
2014 |
|
rs1057519848
|
|
|
0.100 |
GeneticVariation |
BEFREE |
In multivariate analysis, adenocarcinoma (hazard ratio, HR, 12.25; 95% CI, 37.7-41.10; p < 0.001) and major mutations (deletions in exon 19 and L858R point mutation in exon 21; HR, 2.46; 95% CI, 1.14-5.28; p = 0.022) were significant predictors of longer PFS.
|
24457318 |
2014 |
|
rs1057519848
|
|
|
0.100 |
GeneticVariation |
BEFREE |
We report here a case of pulmonary adenocarcinoma with concomitant EGFR mutation in exon 21 (L858R) and ALK rearrangement in naive and relapsed tumors.
|
25312989 |
2014 |
|
rs1057519848
|
|
|
0.100 |
GeneticVariation |
BEFREE |
Plasma DNA samples from 73 patients with stage IIIB to IV adenocarcinoma were analyzed for EGFR mutations in exons 19 (deletion mutation) and 21 (L858R mutation) using direct DNA sequencing, DHPLC and Scorpions ARMS.
|
21518597 |
2011 |
|
rs1057519848
|
|
|
0.100 |
GeneticVariation |
BEFREE |
Inclusion criteria were histologic diagnosis of benign nodule (control) and stage I or II adenocarcinoma harboring either p.L858R or ex</span>on19 delEGFR mutations.
|
30309763 |
2018 |
|
rs1057519848
|
|
|
0.100 |
GeneticVariation |
BEFREE |
We describe here on a hitherto unreported mechanism of EGFR TKI resistance synchronously combining squamous-cell carcinoma change and occurrence of the EGFR exon 20 S768I secondary mutation in a 43 year-old woman with stage IV adenocarcinoma harbouring EGFR exon 21 L858R mutation.
|
28024692 |
2017 |