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Transcription profiling of intestinal changes in APC deficient intestines following oncogenic Kras activation

ABSTRACT: Transcription profiling of intestinal changes in APC deficient intestines following oncogenic Kras activation

PROVIDER: PRJNA639153 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR12005381_1.fastq.gz	Fastqsanger.gz
	SRR12005381_2.fastq.gz	Fastqsanger.gz
	SRR12005382_1.fastq.gz	Fastqsanger.gz
	SRR12005382_2.fastq.gz	Fastqsanger.gz
	SRR12005383_1.fastq.gz	Fastqsanger.gz

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Transcription profiling of intestinal changes in APC deficient intestines following oncogenic Kras activation

Project description:Transcription profiling of intestinal changes in APC deficient intestines following oncogenic Kras activation

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Transcription profiling of human immortalized lung epithelial cells following infection with oncogenic KRAS (G12V)

Project description:The purpose of the dataset is to analyze expression of genes induced by KRAS; 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. Experiment Overall Design: Profiling of KRAS activation (mutant), KRAS WT and control in AALE cells (Lundberg et al., Oncogene 2002;21:4577)

2009-10-31 | E-GEOD-17671 | biostudies-arrayexpress

Transcription profiling of immortalized human lung epithelial cells following oncogenic KRAS expression and TBK1 suppression

Project description:The purpose of the dataset is to analyze expression of genes induced by KRAS and regulated by TBK1; 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. Experiment Overall Design: Knock out of TBK1 in the contect of KRAS activation (mutant) and control (WT)

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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

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Project description:We isolated and selected intestinal adenoma organoids from Apc1638N/+ and Apc1638N/+; Kras mice. After the selection procedure, we maintained the cultures with or without TGF-beta for 18h. RNA was isolated to determine the effect of oncogenic Kras on the gene expression changes. Total RNA obtained from Apc1638N/+; Kras organoids were compared to Apc1638N/+ samples in the absence or presence of 3 ng/ml TGF-beta (18h).

2014-04-18 | E-GEOD-35092 | biostudies-arrayexpress

Profiling of immortalized human lung epithelial cells following infection with oncogenic KRAS (G12V)

Project description:The purpose of the dataset is to analyze expression of genes induced by KRAS 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.

2009-10-21 | GSE17671 | GEO

Profiling of immortalized human lung epithelial cells following oncogenic KRAS expression and TBK1 suppression

Project description:The purpose of the dataset is to analyze expression of genes induced by KRAS and regulated by TBK1 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.

2009-11-04 | GSE17643 | GEO

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