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RNA-seq analysis of lung-infiltrating neutrophils from WT and Atgl-cKO mice

ABSTRACT: RNA-seq analysis of lung-infiltrating neutrophils from WT and Atgl-cKO mice

PROVIDER: PRJEB38957 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	ERR4276780.fastq.gz	Fastqsanger.gz
	ERR4276781.fastq.gz	Fastqsanger.gz
	ERR4276782.fastq.gz	Fastqsanger.gz
	ERR4276783.fastq.gz	Fastqsanger.gz
	ERR4276784.fastq.gz	Fastqsanger.gz

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RNA-seq analysis of lung-infiltrating neutrophils from WT and Atgl-cKO mice

Project description:Atglflox/flox (B6N.129S-Pnpla2tm1Eek/J), S100A8-cre+/- (B6.Cg-Tg(S100A8-cre,-EGFP)1Ilw/J) mice were obtained from The Jackson Laboratory. Atglflox/flox mice were bred to S100A8-cre+/- mice to generate Atglflox/WTS100A8-cre+/- mice, which were backcrossed onto Atglflox/flox mice to generate Atglflox/floxS100A8-cre+/- mice (Atgl neutrophils-specific knock out, Atgl-cKO). Age-matched littermate Atglflox/flox mice were used as wild-type (WT) controls. To compare of the gene expression of the lung-infiltrating neutrophils isolated from Atgl-cKO mice and their WT littermates, AT3-g-csf cells were injected into the fourth mammary fat pads of female WT and Atgl-cKO mice (10-week-old, n = 4/group). The AT3-g-csf cell line is based on a murine breast cancer cell line (AT3) derived from MMTV-PyMT tumors in the C57BL/6 background, and further constructed to overexpress granulocyte-colony stimulating factor (G-CSF) for induction of the host inflammatory condition. At day 10 (pre-metastatic stage), the mice were euthanized and then Ly6G+ neutrophils were isolated from lung by using anti-Ly6G MicroBead Kit (Miltenyi Biotec) following manufacturer’s instructions. The isolated neutrophils were analyzed by flow cytometry and the cells with a > 95% purity were used for the next procedure. Total RNA was isolated from neutrophils using the miRNeasy Mini kit (Qiagen) and the transcriptional profiles of neutrophils were analyzed by RNA sequencing.

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Project description:ATGL= the rate-limiting enzyme for intracellular lipolysis. Atgl KO/cTg = Mice lacking Atgl except for cardiac transgenic overexpression of Atgl (Atgl -/- ,Myh6Atgl+/+) to rescue early age death deu to cardiomyopathy. wt/cTg = respective control. The airways of the lung are constantly exposed to inhaled toxic substances, resulting in cellular damage. Within bronchii, club cells make up majority of the cell population in the terminal bronchiolar epithelia. Club cells are known for their ability to metabolize environmental toxins and constantly repairing small impacts in the epithelial layer. Considering the importance of club cells in maintaining bronchiolar epithelial integrity, we porformed gene expression data analysis to decipher the possible dysregulated gene expression thereby corresponding molecular pathways in our mice lacking ATGL.

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