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MicroRNA profile of tumorigenic cells during formation of pulmonary adenocarcinoma

ABSTRACT: Study designed to obtain microRNA profile of tumorigenic Sca-1+CD34+ cells during the formation of pulmonary adenocarcinoma. After intranasal infection with adenovirus CRE (Ad-Cre), lung adenocarcinoma was identified pathologically in Lox-stop-lox Kras (LSL-Kras) G12D mice. Sca-1+CD34+ cells were sorted by flow cytometry and tested for the tumor-initiating ability to undergo self-renewal and differentiation. MiRNA profile was obtained from the microarray and further confirmed by qRT-PCR.The function of miRNAs was predicted bioinformatically, and miR-294 was verified to explore its relationship with tumor migration and invasion.

ORGANISM(S): Mus musculus Murid gammaherpesvirus 4 Murid betaherpesvirus 1

PROVIDER: GSE60001 | GEO | 2014/08/02

SECONDARY ACCESSION(S): PRJNA257255

REPOSITORIES: GEO

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MicroRNA profile of tumorigenic cells during formation of pulmonary adenocarcinoma

Project description:Study designed to obtain microRNA profile of tumorigenic Sca-1+CD34+ cells during the formation of pulmonary adenocarcinoma. After intranasal infection with adenovirus CRE (Ad-Cre), lung adenocarcinoma was identified pathologically in Lox-stop-lox Kras (LSL-Kras) G12D mice. Sca-1+CD34+ cells were sorted by flow cytometry and tested for the tumor-initiating ability to undergo self-renewal and differentiation. MiRNA profile was obtained from the microarray and further confirmed by qRT-PCR.The function of miRNAs was predicted bioinformatically, and miR-294 was verified to explore its relationship with tumor migration and invasion. We taken lung tissues from the LSL-Kras G12D mouse on the 0, 15th, 30th days, and defined as Group A, B, C respectively. These 3 samples were analyzed. Each kind of probe has 4 repeat spots on the microarray. Total RNA are harvested using TRIzol (Invitrogen) and RNeasy mini kit (QIAGEN). All processing conducted at the Kang Cheng Biological chip Company Limited. Microarray was synthesized using μParafloTM microfluidic chip technology, and the information of miRNA probe sequence of each region was obtained from the database of Sanger miRBase version 11.0.

2014-08-02 | E-GEOD-60001 | biostudies-arrayexpress

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2022-08-30 | E-MTAB-11122 | biostudies-arrayexpress

RNA-SEQ analysis of pancreatic ductal adenocarcinoma tumours in Pdx1-Cre;lsl-KRas[G12D] (KC), Pdx1-Cre;lsl-KRas[G12D];Rosa26-lsl-MYC[DM] (KMC), Pdx1-Cre;lsl-KRas[G12D];Rosa26-lsl-MYC[DM];c-Myc[fl/+] (KMC-Mycfl/+), and Pdx1-Cre;lsl-KRas[G12D];Rosa26-lsl-MYC[DM];Zbtb17[fl/fl] mice (KMC-Miz1fl/fl)

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Project description:Recent data suggests that repression of the Type II TGF-B Receptor (Tgfr2) repression in human lung adenocarcinoma is important for progression from noninvasive to invasive adenocarcinoma. To test this hypothesis in a animal model of non-invasive lung cancer, we generated an inducible, lung specific Tgfbr2 knockout model in the oncogenic Kras mouse. LSL-KrasG12D positive mice were simultaneously backcrossed to C57/Bl6 mice and to the Tgfbr2 flox/flox mice. To induce tumors, 100 _l of saline containing 3x10e10 particles of an adenovirus containing the Cre recombinase (Ad.Cre) was administered to each LSL-KrasG12D mouse intra-nasally. Mice were sacrificed at 7 weeks after administration of Adeno-Cre. We used laser capture microdissection to acquire tumor cells from KrasTgfbr2-/- and KrasTgfbr2 wt mouse tumors.

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2013-09-13 | E-GEOD-49868 | biostudies-arrayexpress

Atp4b-Cre;Cdh1(fl/fl);Kras(LSL-G12D/+);Trp53(fl/fl);Rosa26(LSL-YFP/LSL-YFP) mouse stomach vs. Atp4b-Cre;Cdh1(fl/+);Kras(LSL-G12D/+);Trp53(fl/fl);Rosa26(LSL-YFP/LSL-YFP) mouse stomach microarray

Project description:We wished to investigate the role of E-cadherin loss in our mouse parietal cell/pre-parietal cell E-cadherin knock-out, p53 knock-out, oncogenic Kras induced model of gastric cancer. As such, we isolated RNA from stomach tissue from our E-cadherin knock-out model (Atp4b-Cre;Cdh1(fl/fl);Kras(LSL-G12D/+);Trp53(fl/fl);Rosa26(LSL-YFP/LSL-YFP)) and our E-cadherin heterozygous model (Atp4b-Cre;Cdh1(fl/+);Kras(LSL-G12D/+);Trp53(fl/fl);Rosa26(LSL-YFP/LSL-YFP)). We then performed a microarray on this stomach tissue from four independent mice of each genotype. Differentially expressed genes were identified and gene set overlap analysis was used to identify pathways enriched in one model over the other.

2018-05-01 | E-MTAB-5833 | biostudies-arrayexpress

RNA-SEQ analysis of pancreatic ductal adenocarcinoma tumours in Pdx1-Cre lsl-KRas[G12D] (KC), Pdx1-Cre lsl-KRas[G12D] Rosa26-lsl-MYC[DM] (KMC), Pdx1-Cre lsl-KRas[G12D] Rosa26-lsl-MYC[DM] c-Myc[fl/+] (KMC-Mycfl/+), and Pdx1-Cre lsl-KRas[G12D] Rosa26-lsl-MYC[DM] Zbtb17[fl/fl] mice (KMC-Miz1fl/fl)

Project description:RNA-SEQ analysis of pancreatic ductal adenocarcinoma tumours in Pdx1-Cre lsl-KRas[G12D] (KC), Pdx1-Cre lsl-KRas[G12D] Rosa26-lsl-MYC[DM] (KMC), Pdx1-Cre lsl-KRas[G12D] Rosa26-lsl-MYC[DM] c-Myc[fl/+] (KMC-Mycfl/+), and Pdx1-Cre lsl-KRas[G12D] Rosa26-lsl-MYC[DM] Zbtb17[fl/fl] mice (KMC-Miz1fl/fl)

| PRJEB36783 | ENA

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