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Unknown,Transcriptomics,Genomics,Proteomics

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Murine lung tumors- HER2(V659E) and KRAS(G12V) vs normal lung

ABSTRACT: Transcriptiional profling of 13 normal lung samples, 18 lung KRAS(G12V) tumor samples, and 18 lung HER2(V659E) tumor samples 13 normal lung samples, 18 lung KRAS(G12V) tumor samples, and 18 lung HER2(V659E) tumor samples hybridized against Stratagene universal mouse reference RNA with dye swap

ORGANISM(S): Mus musculus

SUBMITTER: James Abraham

PROVIDER: E-GEOD-18784 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Chimeric mouse tumor models reveal differences in pathway activation between ERBB family- and KRAS-dependent lung adenocarcinomas.

Zhou Yinghui Y Rideout William M WM Zi Tong T Bressel Angela A Reddypalli Shailaja S Rancourt Rebecca R Woo Jin-Kyeung JK Horner James W JW Chin Lynda L Chiu M Isabel MI Bosenberg Marcus M Jacks Tyler T Clark Steven C SC Depinho Ronald A RA Robinson Murray O MO Heyer Joerg J

Nature biotechnology 20091220 1

To recapitulate the stochastic nature of human cancer development, we have devised a strategy for generating mouse tumor models that involves stepwise genetic manipulation of embryonic stem (ES) cells and chimera generation. Tumors in the chimeric animals develop from engineered cells in the context of normal tissue. Adenocarcinomas arising in an allelic series of lung cancer models containing HER2 (also known as ERBB2), KRAS or EGFR oncogenes exhibit features of advanced malignancies. Treatment ...[more]

PMID: 20023657

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Murine lung tumors- HER2(V659E) and KRAS(G12V) vs normal lung

Project description:Transcriptiional profling of 13 normal lung samples, 18 lung KRAS(G12V) tumor samples, and 18 lung HER2(V659E) tumor samples

2009-12-01 | GSE18784 | GEO

KRAS G12V digestion by 20S proteasome

Project description:KRAS is a well known tumor associated antigen. It’s a GTPase that functions as molecular switch in regulatory pathways responsible for proliferation and survival. It’s frequently mutated in a variety of cancers. One of the possible driver mutations is G12V substitution, which impairs KRAS GTPase activity and renders the mutants persistently in the GTP-bound active form, thereby promoting tumorigenesis and tumor malignancy. Its high frequency in cancers makes KRAS an attractive target for immunotherapy. We performed in vitro digestions of synthetic polypeptide corresponding to KRAS2-35 carrying the mutation with purified 20S proteasome. Samples were measured by LC-MS/MS.

2019-10-24 | PXD015580 | Pride

KRAS mutation (G12V) expression by pBABE-Puro vector in NCI-H1703 cells

Project description:The goal of this study was to determine genes affected by expressing KRAS mutation (G12V) in NCI-H1703 cells This data was used in Meng Wang et. al. Cancer Research 2016 to determine the alterations of gene expression profiling associated with expression of KRAS mutation (G12V). The experiment uses a pBABE-Puro vector encoding KRAS G12V and a corresponding empty vector control.

2016-03-23 | E-GEOD-79486 | biostudies-arrayexpress

KRAS mutation (G12V) expression by pBABE-Puro vector in NCI-H1703 cells

2016-03-23 | GSE79486 | GEO

Oncogenic KRAS(G12V) and BRAF(V600E) in intestinal organoids

Project description:Goals of the study was to compare transcripional and phenotypic response of mouse intestinal organoid cultures to the KRAS(G12V) or BRAF(V600E)oncogenes.

2018-06-02 | GSE115234 | GEO

Mus musculus

Project description:Murine lung tumors- HER2(V659E) and KRAS(G12V) vs normal lung

| PRJNA121255 | ENA

KRAS G12V spliced neoepitope is produced by proteasomes

Project description:This dataset contains further evidence that the HLA-A*02:01+ KRAS G12V+ spliced neoepitope we previously identified (Mishto et al., Front. Immunol. 2019) is produced by proteasomes in various experimental conditions

2022-09-05 | PXD024528 | Pride

Autologous CD8+ and CD4+ Transgenic T Cells Expressing High Affinity KRASG12V Mutation-Specific T Cell Receptors (FH-A11KRASG12V-TCR) in Treating Patients With Metastatic Pancreatic, Colorectal and Non-Small Cell Lung Cancers With KRAS G12V Mutations

Project description:This phase I trial studies the side effects and best dose of autologous CD8+ and CD4+ transgenic T cells expressing high affinity KRAS G12V mutation-specific T cell receptors (FH-A11KRASG12V-TCR) and to see how well they work in treating patients with pancreatic, colorectal, and non-small cell lung cancers that has spread from where it first started (primary site) to other places in the body (metastatic). T cells are infection fighting blood cells that can kill tumor cells. The T cells given in this study will come from the patient and will have a new gene put in them that makes them able to recognize KRAS G12V, a protein on the surface of tumor cells. These KRAS G12V-specific T cells may help the body’s immune system identify and kill KRAS G12V pancreatic, colorectal, and non-small cell lung cancers’ tumor cells.

| 92453 | ecrin-mdr-crc

Transcription profiling of human lung epithelial cells ollowing oncogenic KRAS expression and TBK1 suppression or infection with oncogenic KRAS (G12V) - SuperSeries

Project description:The proto-oncogene KRAS is mutated in a wide array of human cancers, most of which are aggressive and respond poorly to standard therapies. Although the identification of specific oncogenes has led to the development of clinically effective, molecularly targeted therapies in some cases, KRAS has remained refractory to this approach. An alternative strategy for targeting KRAS is to identify gene products that, when suppressed or inhibited, result in cell death only in the presence of an oncogenic allele. Here we have used systematic RNA interference (RNAi) to detect synthetic lethal partners of oncogenic KRAS and found that the non-canonical IkB kinase, TBK1, was selectively essential in cells that harbor mutant KRAS. Suppression of TBK1 induced apoptosis specifically in human cancer cell lines that depend on oncogenic KRAS expression. In these cells, TBK1 activated NF- B anti-apoptotic signals involving cREL and BCL-XL that were essential for survival, providing mechanistic insights into this synthetic lethal interaction. These observations identify TBK1 as a potential therapeutic target in KRAS mutant tumors and establish a general approach for the rational identification of co-dependent pathways in cancer. This SuperSeries is composed of the following subset Series:; GSE17643: Profiling of immortalized human lung epithelial cells following oncogenic KRAS expression and TBK1 suppression; GSE17671: Profiling of immortalized human lung epithelial cells following infection with oncogenic KRAS (G12V) Experiment Overall Design: Refer to individual Series

2009-10-31 | E-GEOD-17672 | biostudies-arrayexpress

Gene expression profiling by DNA microarray in Colo741 cell line transfected by KRas-G12D or KRas-G12V

Project description:Mutations of the proto-oncogene KRas, together with the inactivation of the onco-suppressor genes APC and TP53, are considered to have an important role both in the carcinogenesis and in the colorectal tumor progression. The oncogene K-ras has activating mutations, especially in codon 12, in about 40% to 50% of colorectal carcinomas (Andreyev et al., 1998). The mechanism by which oncogenic K-ras alone contribuites to tumor progression in colon cancer is largely unknown. To this end, we have developed a model system where the colorectal adenocarcinoma cell line Colo741 has been stably trasfected with the Kras-G12V or Kras-G12D mutated oncogenes. Our results demonstrate how expression profiling data can be used to interpret changes in cellular characteristics induced by transfection and hence provide some clues as to the mechanisms by which different activated K-Ras impair processes mediated by endogenous wild-type KRas proteins.

2008-12-18 | GSE12398 | GEO

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