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RNAseq of Islet CD11c+ cells and Islet T cells from 12-20 week non-obese diabetic mice

ABSTRACT: RNAseq of Islet CD11c+ cells and Islet T cells from 12-20 week non-obese diabetic mice

PROVIDER: PRJNA498507 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR8111190.fastq.gz	Fastqsanger.gz
	SRR8111191.fastq.gz	Fastqsanger.gz
	SRR8111192.fastq.gz	Fastqsanger.gz
	SRR8111193.fastq.gz	Fastqsanger.gz
	SRR8111194.fastq.gz	Fastqsanger.gz

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RNAseq of Islet CD11c+ cells and Islet T cells from 12-20 week non-obese diabetic mice

Project description:Using intravital 2-photon islet imaging we show that T cell extravasation into the islets is an extended process, with T cells arresting in the islet vasculature in close proximity to perivascular CD11c+ cells. Antigen is not required for T cell trafficking to infiltrated islets, but T cell chemokine receptor signaling is necessary. Using RNAseq, we show that islet CD11c+ cells express over 20 different chemokines that bind chemokine receptors expressed on islet T cells.

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Project description:The experiment was designed to obtain a broader unbiased view of the changes in islet macrophages following low dose STZ challenge. Mice were purchased from Jackson Laboratory (Bar Harbor, ME). 16-20-week-old C57BL/6J males were given 30 mg/kg STZ or acetate buffer (control) i.p. (intraperitoneal injection) for 5 consecutive days. Following the first STZ or buffer injection mice were sacrificed on day 14 and islets were isolated by collagenase digestion. Freshly isolated islets were dispersed in 0.02% Trypsin-EDTA for 3 minutes followed by up to 1 minute of pipetting under a stereomicroscope to obtain a single cell solution. Islet media was added to stop the reaction. Islets from 10 mice were pooled per sample (N). Dispersed islets were washed with FACS buffer (1% heat inactivated FBS, 1 mM EDTA, 11 mM glucose in PBS). Cells were kept on ice and pre-incubated with Fc Block (1:100) for 5 minutes, followed by 30 min incubation with CD45-eFluor 450 (1:250; clone 30-F11), Ly-6C-APC (1:1,200; clone HK1.4), CD11b-PE (1:1,200; clone M1/700, F4/80-FITC (1:150; clone BM8), CD11c-PECy7 (1:150; clone N418), and the viability dye 7AAD (1:2,000). Unstained, single stains, and fluorescence minus one controls were used for setting gates and compensation. Viable, single CD45+Ly6c-Cd11b+Cd11c+F4/80+ cells were sorted using a BD FACS Aria IIu directly into lysis buffer, and the RNeasy Plus Micro Kit from Qiagen was used to isolate total RNA. Total RNA quality control quantification was performed using an Agilent 2100 Bioanalyzer. All RNA samples had an RNA integrity number (RIN) ≥9.1. The NeoPrep Library Prep System from Ilumina was used for library preparation followed by sequencing using standard Illumina methods and Ilumina NextSeq500.

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