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Single Cell sequencing analysis of adult SP-C BRICHOS mice lung epithelium

ABSTRACT: We report the single cell RNA sequencing of the lung epithelium of mice expressing the SP-C BROCHOS mutation (SP-C C121G) at 3 and 7 days after tamoxifen induced mutation expression. The control sample for this experiment are mice hypomorphic for the SP-C mutation (SP-C C121Gneo). This study allow for the identification of unique lung epithelial cell states that emerge following SP-C mutation expression

ORGANISM(S): Mus musculus

PROVIDER: GSE189479 | GEO | 2021/11/26

REPOSITORIES: GEO

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Alveolar epithelial type 2 cell RNA sequencing from SP-C BRICHOS mutation mouse model

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Project description:Targeted therapies against cancer stem cells which are enriched in side populations (SP) involves interruption of Wnt-signalling. Furthermore, EpCAM is a SP marker and modulator of Wnt-signalling. Therefore, the effects of an anti-EpCAM treatment on SP-cells and WNT/β-catenin signalling was studied. SP of the murine lung adenocarcinoma cell line A2C12 was obtained by fluorescence activated cell sorting and whole genome scans helped to define their molecular phenotype after anti-EpCAM antibody treatment.

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Expression data from SP and non-SP sorted anti-EpCAM treated A549 cells

Project description:Targeted therapies against cancer stem cells which are enriched in side populations (SP) involves interruption of Wnt-signalling. Furthermore, EpCAM is a SP marker and modulator of Wnt-signalling. Therefore, the effects of an anti-EpCAM treatment on SP-cells and WNT/β-catenin signalling was studied. SP of the human lung adenocarcinoma cell line A549 was obtained by fluorescence activated cell sorting and whole genome scans helped to define their molecular phenotype after anti-EpCAM antibody treatment.

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microRNA profiling of lung adenocarcinomas, induced by cRaf overexpression in lung epithelium (Affymetrix)

Project description:In this study we analyzed the expression of miRNAs in the lungs of SP-C/c-raf transgenic mice. The transgene is under the transcriptional control of the surfactant protein C (SP-C) promoter and consists of the oncogenically activated NH2-terminal deletion mutant c-Raf-1-BxB. Overall this study aims at identifying miRNAs regulated in precursor lesions of lung cancer. Affymetrix platform was used to analyze and compare the miRNA expression pattern in RNA extracts derived from two different conditions, i.e. lung of wild type mice and lung of SP-C/c-raf mice expressing the c-Raf-1 transgene. Each gender and condition was tested separately using 6 different individuals from each group: male and female wild type mice (M WT and F WT) and male and female transgenic mice (M c-Raf and F c-Raf).

2013-09-11 | E-GEOD-50748 | biostudies-arrayexpress

microRNA profiling of lung adenocarcinomas, induced by cRaf overexpression in lung epithelium (Agilent)

Project description:In this study we analyzed the expression of miRNAs in the lungs of SP-C/c-raf transgenic mice. The transgene is under the transcriptional control of the surfactant protein C (SP-C) promoter and consists of the oncogenically activated NH2-terminal deletion mutant c-Raf-1-BxB. Overall this study aims at identifying miRNAs regulated in precursor lesions of lung cancer. Agilent platform was used to analyze and compare the miRNA expression pattern in RNA extracts derived from two different conditions, i.e. lung of wild type mice and lung of SP-C/c-raf mice expressing the c-Raf-1 transgene. Each gender and condition was tested separately using 6 different individuals from each group: male and female wild type mice (M WT and F WT) and male and female transgenic mice (M c-Raf and F c-Raf).

2013-09-11 | E-GEOD-50752 | biostudies-arrayexpress

Expression data from SP and non-SP sorted anti-EpCAM treated A549 cells

Project description:Targeted therapies against cancer stem cells, which are enriched in side populations (SP), involves interruption of Wnt-signalling. Furthermore, EpCAM is a SP marker and modulator of Wnt-signalling. Therefore, the effects of an anti-EpCAM treatment on SP-cells and WNT/Î²-catenin signalling was studied. SP of the human lung adenocarcinoma cell line A549 was obtained by fluorescence activated cell sorting and whole genome scans helped to define their molecular phenotype after anti-EpCAM antibody treatment. Anti-EpCAM treated and untreated A549 cells were subjected to Hoechst 33342 dye exclusion assay and sorted to SP and non-SP fractions by FACS. Three biological replicates.

2012-08-07 | E-GEOD-31315 | biostudies-arrayexpress

Expression data from SP and non-SP sorted anti-EpCAM treated A2C12 cells

Project description:Targeted therapies against cancer stem cells which are enriched in side populations (SP) involves interruption of Wnt-signalling. Furthermore, EpCAM is a SP marker and modulator of Wnt-signalling. Therefore, the effects of an anti-EpCAM treatment on SP-cells and WNT/M-NM-2-catenin signalling was studied. SP of the murine lung adenocarcinoma cell line A2C12 was obtained by fluorescence activated cell sorting and whole genome scans helped to define their molecular phenotype after anti-EpCAM antibody treatment. Anti-EpCAM treated and untreated A2C12 cells were subjected to Hoechst 33342 dye exclusion assay and sorted to SP and non-SP fractions by FACS. Three biological replicates.

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Expression data from SP and non-SP sorted anti-EpCAM treated A2C12 and A549 cells compared to non-transgenic lung tissue

Project description:This SuperSeries is composed of the following subset Series: GSE31246: Expression data from SP and non-SP sorted anti-EpCAM treated A2C12 cells GSE31313: Expression data from anti-EpCAM treated and untreated SP cells compared to lung tissue GSE31315: Expression data from SP and non-SP sorted anti-EpCAM treated A549 cells Refer to individual Series

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Differential sex-dependent regulation of the alveolar macrophage miRNome of SP-A2 and co-ex (SP-A1/SP-A2) and sex differences attenuation after 18h of ozone exposure

Project description:BACKGROUND: Human SP-A1 and SP-A2, encoded by SFTPA1 and SFTPA2 and their genetic variants differentially impact alveolar macrophage (AM) functions and regulation, including the miRNome. We investigated whether miRNome differences previously observed between AM from SP-A2 and SP-A1/SP-A2 mice are due to continued qualitative differences or a delayed response of mice carrying a single gene. METHODS: Human transgenic (hTG) mice, carrying SP-A2 or both SP-A genes and SP-A-KO mice were exposed to filtered air (FA) or O3. AM miRNA levels, target gene expression and pathways determined 18 h after O3 exposure. RESULTS: We found: (a) Differences in miRNome due to sex, SP-A genotype, and exposure; (b) miRNome of both sexes was largely downregulated by O3 ; co-ex had fewer changed (≥2X) miRNAs than either group. (c) the number and direction of expression of genes with significant changes in males and females in co-ex is almost the opposite of those in SP-A2; (iv) The same pathways were found in the studied groups; (e) O3 exposure attenuated sex differences; a higher number of genotype-dependent and genotype-independent miRNAs was common in both sexes after O3 exposure. CONCLUSION: Qualitative differences between SP-A2 and co-ex persist 18 h post-O3, and O3 attenuates sex differences.

2021-01-06 | GSE158401 | GEO

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