RAS Mutation
Metastatic colorectal cancer first-line treatment with bevacizumab: the impact of K-ras mutation
... K-ras mutation could influence the outcome of patients with liver metastases only with respect to patients with extrahe- patic disease, clinical response PFS and OS of bevacizumab combined with chemotherapy ...
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Case Report Mucinous bronchioloalveolar carcinoma with K- ras mutation arising in type 1 congenital cystic adenomatoid malformation: a case report with review of the literature
... K-ras mutation at codon 12 (GGT-GCT), as seen in the present case, was observed in three cases (2 cases of BAC and 1 case of mixed adenocarcinoma with BAC component), and the same mutation was also ...
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The Frequency of K ras Mutation in Colorectal Adenocarcinomas with Absence of Distant Metastasis at Diagnosis
... similar to other studies. Also, there was not correlation between K-ras mutation and clinicopathological findings. All of the cases were investigated for distant metastasis at the time of diagnosis and ...
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Prognostic significance of K-Ras mutation rate in metastatic colorectal cancer patients
... K-Ras mutation analysis have been used in experimental settings or in clinical trials in order to transfer useful predictive and prognostic information to clinical ...K-Ras mutation status has ...
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Phenotypic classification of gastric signet ring cell carcinoma and its relationship with K-ras mutation.
... K-ras mutation rate is higher in SRC carcinoma than other gastric cancer ...K-ras mutation in gastric SRC carcinoma. K-ras aberrations were significantly more common among tumors of the ...
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Original Article RAS mutation acts as a biomarker during colorectal cancer course in forming the lung metastasis
... Second, RAS mutational analy- sis does not incorporate potential discordan- ce in RAS status between a primary tumor and its metastases, difference of the material ob- tained from needle biopsy or resected ...
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KRAS exons 3 and 4 and NRAS in patients with CRC. RAS KRAS and NRAS ) and BRAF mutations were detected in 715 and 655 patients respectively. The mutation rate of RAS KRAS or NRAS ) was
... another RAS mutation ...of RAS mutation are unlikely to benefit from anti-EGFR mAb therapy ...in RAS (involving KRAS exons 3 or 4 or NRAS exons 2, 3, or 4) ...lack RAS mutations ...
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WDR76 degrades RAS and suppresses cancer stem cell activation in colorectal cancer
... K-RAS mutation en- hances CSC activation and cooperatively promotes tumorigenesis by increasing Wnt/β-catenin pathway ac- tivation ...of RAS [15, 24, ...of RAS stabilization in the positive ...
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New insights into the diagnosis of nodular goiter
... [9,32,35,56,58,59]. RAS- positive follicular adenoma may be a precursor of both follicular cancer and follicular variant of papillary carcin- oma ...of RAS mutation as a valuable diagnostic marker in ...
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Download Download PDF
... K-RAS mutation was present in 4 pure seminoma tumors (16%) and 3 non-seminomas (15%) and an N-RAS mutation was present in 4 seminomas (16%) and in 3 non-seminomas ...K-RAS ...
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Original Article Mutation status of ras genes in breast cancers with overexpressed p21Ras protein
... Although the activation mechanism of ras mutation is clear [8], how the wild type p21Ras overexpression induce proliferation and malig- nant transformation remains unknown. It is reported that wild type ...
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Combination treatment strategy for pancreatic cancer involving the novel HDAC inhibitor MPT0E028 with a MEK inhibitor beyond K-Ras status
... K-Ras mutation is a key mechanism of pancreatic carcino- genesis, we hypothesized that treatment of MEK inhibitors could interrupt the K-Ras downstream signaling pathway to reduce the survival of ...
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Case Report Carcinosarcoma colliding osteosarcoma of the pancreas: a rare case report of multiple clonal originated pancreatic tumors
... Gene mutation analyses confirmed the heterogeneity, in which the adenocarcinoma component and the sarcoma component did not burden the same K-ras mutation and p53 mutations as that of the ...
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jcs.182873.full.pdf
... of RAS structure, biochemistry and biology is, indeed, very ...in RAS research and the initiation of the US National Cancer Institute RAS Initiative (Ledford, 2015; Thompson, ...each RAS ...
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Original Article Association between BRAF and RAS mutations, and RET rearrangements and the clinical features of papillary thyroid cancer
... BRAF mutation, RAS mutation, and RET rear- rangement ...and RAS mutation status, RET rearrangements (posi- tive or negative), and a list of standardized clinicopathologic ...BRAF ...
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Original Article The mutations of K-ras and BRAF gene in colorectal carcinoma and its clinical significance
... gene mutation in tumors with BRAF gene muta- ...gene mutation rates were 35%, 4% and 30% separately by DNA sequencing analy- sis of 100 cases CRC, while there were rare cases simultaneously with these gene ...
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Review Article Molecular markers prognosticate the aggressiveness of papillary thyroid cancer
... tions, RAS mutation, and PAX8/PPARγ rear- rangement, there are various molecular mark- ers which can be used to improve the per- formance of FNA for patients that have indeter- minate thyroid FNA results, ...
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Feedback activation of neurofibromin terminates growth factor-induced Ras activation
... the Ras-GTP affinity pulldown. We reasoned that Ras-GTP loading driven by the uptake of the non-hydrolyzable GTP analogue GppNHp should accurately mirror Sos activity, because Ras-GppNHp is ...
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Oncogenicity of human N-ras oncogene and proto-oncogene introduced into retroviral vectors.
... In order to study the in vitro and in vivo oncogenicity of N-ras and to compare its pathogenicity to that of H-ras, we have inserted an activated or a normal form of human N-ras cDNA int[r] ...
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Original Article Putative Precursor Cancer Cells in Human Colorectal Cancer Tissue
... Carcinogenesis is a multistage process in which an initial population of slightly abnormal cells, descendants of a single mutant ancestor, evolves through successive cycles of mutation and natural selection [1]. ...
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