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Gene expression profiles of the mammary gland tumors from Nr1d1+/+ PyMT and Nr1d1-/- PyMT mice

ABSTRACT: Gene expression profiles of the mammary gland tumors from Nr1d1+/+ PyMT and Nr1d1-/- PyMT mice

PROVIDER: PRJNA922956 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR23050187_1.fastq.gz	Fastqsanger.gz
	SRR23050187_2.fastq.gz	Fastqsanger.gz
	SRR23050188_1.fastq.gz	Fastqsanger.gz
	SRR23050188_2.fastq.gz	Fastqsanger.gz
	SRR23050189_1.fastq.gz	Fastqsanger.gz

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Gene expression profiles of the mammary gland tumors from Nr1d1+/+;PyMT and Nr1d1-/-;PyMT mice

Project description:To investigate the role of NR1D1 in the progression of breast cancer, mammary gland tumor tissues were obtained from 14 weeks old FVB Nr1d1+/+;PyMT and Nr1d1-/-;PyMT mice and the gene expression patterns were analyzed by RNA-seq.

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Transcriptional profile of mammary mouse MMTV-PyMT tumors and mammary gland from FVB/N mice

Project description:To characterise the metabolic landscape of metastatic breast cancer we investigated differences in metabolites between the serum of MMTV-PyMT (Mouse Mammary Tumor Virus long terminal repeat upstream of a cDNA sequence encoding the Polyoma Virus middle T antigen) mice and their wild-type counterparts (https://doi.org/10.1101/2024.07.02.601676). Here we provide matched transcriptomic data on the primary mammary tumors from MMTV-PyMT mice and the mammary gland from FVB/N mice

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Transcriptional profile of mammary mouse MMTV-PyMT tumors and mammary gland from FVB/N mice

Project description:Transcriptional profile of mammary mouse MMTV-PyMT tumors and mammary gland from FVB/N mice

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Whole genome transcriptional profile of PyMT/SIRT6 vs PyMT mammary tumors

Project description:We compared the transcriptional profile of mammary tumors spontaneously developed in PyMT transgenic mice either bearing or not additional copies of the endogeneous SIRT6 gene.

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Project description:Previously, lncRNA Malat1 knockout mice were generated by insertional inactivation. By crossing this line to MMTV-PyMT mammary tumor mouse model, we produced PyMT;Malat1 wild-type (WT) and PyMT;Malat1 knockout (KO). Furthermore, we generated Malat1 transgenic mice by targeting ROSA26 locus and bred them to PyMT;Malat1 knockout mice to produce Malat1-rescued PyMT;Malat1 knockout;Malat1 transgenic animals (TG). Using mammary tumors from the three groups of animals, we performed RNA-Seq analysis to identify differentially up-regulated genes in KO tumors to find novel target genes of YAP-TEAD pathway.

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M/D-tumors vs non´-tumor mammary gland tissues

Project description:The main goal of this experiment was to contrast the gene expression of mammary gland tissues at three different tumoral stages : M/D-driven mammary gland small tumors vs mammary gland tissues that have been exposed to M/D but they did not develop a tumor (hyperplastic mammary gland) vs mammary gland tissues that were NOT expossed to M/D (normal mammary gland). Expression profile of 18 mice mammary gland tissues at 3 differents neoplastic stages before and after M/D expossure

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Single cell RNA sequencing on PyMT mammary gland tumor cells

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Single cell RNA sequencing on PyMT mammary gland tumor cells

Project description:We labeled PyMT control cells versus PyMT-GPx2 KD with GFP in vitro and then injected into mammary fat pad of mice for incubating 45 days. We then generated single cell suspension by FACS sorting from PyMT-control, GPx2 KD. 10X Genomics was used to make cDNA library. We then sequenced the samples with Illumina high throughput sequencing.

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Project description:Loss of E2F transcription factos alters metastatic capacity of MMTV-PyMT tumors. We used microarrays to futher characterize the effects of E2F loss on mammary tumorigenesis in MMTV-PyMT mice.

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Effect of Spot14 Loss on Gene Expression Profile of MMTV-PyMT Mouse Tumors

Project description:The objective of this study was to determine the effect of Thyroid Hormone Responsive Protein Spot14 (Spot14) loss on the gene expression profiles of tumors from MMTV-Polyomavirus middle-T antigen (PyMT) mice. MMTV-PyMT/S14-heterozygous mice were crossed with S14-heterozygous mice and 1 cm tumors from MMTV-PyMT control (wild-type S14) or MMTV-PyMT/S14-null offspring were profiled using Affymetrix gene arrays. Tumor latency was not different between groups; however, tumors lacking S14 grew significantly slower than control tumors. Loss of S14 also decreased the levels of de novo synthesized fatty acids in mammary tumors. In additional studies, performed on MMTV-Neu mice, we found that S14 overexpression was associated with increased tumor cell proliferation and elevated levels of tumor fatty acids. Gene expression profiling revealed that S14 loss and overexpression in mouse mammary tumors altered pathways associated with proliferation and metabolism. This study provides important information about the role of S14 in mammary tumorigenesis and tumor metabolism. Microarray analysis was performed on 4 mammary tumors from MMTV-PyMT mice and 4 tumors from MMTV-PyMT/S14-null mice.

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