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Cell type specific ATACseq (Crosslinked and TF-Sorted ATAC-seq (CaTS-ATAC)) reveals two distinct cis regulatory strategies for Shh interpretation in the mouse ventral neural tube

ABSTRACT: Cell type specific ATACseq (Crosslinked and TF-Sorted ATAC-seq (CaTS-ATAC)) reveals two distinct cis regulatory strategies for Shh interpretation in the mouse ventral neural tube

PROVIDER: PRJNA841970 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR19379300_1.fastq.gz	Fastqsanger.gz
	SRR19379300_2.fastq.gz	Fastqsanger.gz
	SRR19379301_1.fastq.gz	Fastqsanger.gz
	SRR19379301_2.fastq.gz	Fastqsanger.gz
	SRR19379302_1.fastq.gz	Fastqsanger.gz

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Cell type specific ATACseq (Crosslinked and TF-Sorted ATAC-seq (CaTS-ATAC)) reveals two distinct cis regulatory strategies for Shh interpretation in the mouse ventral neural tube

Project description:In many developing tissues the spatial and temporal pattern of gene expression is organised by secreted signals functioning in a graded manner over multiple cell diameters. Cis Regulatory Elements (CREs) interpret these graded inputs to control gene expression. How this is accomplished remains poorly understood. The morphogen Sonic hedgehog (Shh) acts in a graded manner to direct neural progenitor specification in the neural tube. Here, we uncover two distinct ways in which CREs translate graded Shh signaling into differential gene expression. A common set of CREs are used to control gene activity in the majority of ventral neural progenitors. These CREs integrate cell type specific inputs to control gene expression. By contrast, the most ventral progenitors use a unique set of CREs. These are established by the pioneer factor FOXA2, paralleling the role of FOXA2 in endoderm. Moreover, FOXA2 binds a subset of the same sites in neural and endoderm cells. Together the data identify distinct cis regulatory strategies for the interpretation of morphogen signaling and raise the possibility of an evolutionarily conserved role for Foxa2-mediated cell specification across tissues.

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miRNA expression profiles in the serum of cats with hypertrophic cardiomyopathy compared to healthy cats

Project description:MicroRNAs negatively regulate gene expression and may serve as biomarkers for human cardiomyopathy. In the domestic cat, hypertrophic cardiomyopathy (HCM) represents the most common primary cardiomyopathy. In humans, the etiology of HCM is linked to mutations in genes of contractile muscle proteins, while in cats a clear proof for causal mutations is missing. The etiology of feline HCM is uncertain. Diagnosis is made by heart ultrasound examination and measuring the serum level of N-terminal pro B-type natriuretic peptide. The purpose of this study was to investigate whether microRNA profiles in the serum of cats with HCM are different from the profiles of healthy cats and whether specific miRNAs can be detected to serve as potential biomarkers for feline HCM or may help in understanding the etiology of this disease Blood was drawn from two groups of cats: 12 healthy cats and 11 cats suffering from hypertrophic cardiomyopathy. After clotting, samples were centrifuged and total mRNA was extracted from serum. These 23 serum samples were analyzed and the groups were compared

2015-07-22 | E-GEOD-49427 | biostudies-arrayexpress

miRNA expression profiles in the serum of diabetic cats

Project description:BACKGROUND: MicroRNAs negatively regulate gene expression and play a pivotal role in the pathogenesis of human type 2 diabetes mellitus (T2DM). As the domestic cat presents a spontaneous animal model for human T2DM, the purpose of this study was to investigate whether microRNAs are detectable in feline serum and whether microRNA expression profiles differ between healthy and diabetic cats. METHODS: Total RNA was extracted from 400 M-BM-5l serum of healthy lean (HL) and newly diagnosed diabetic (D) cats. MicroRNA microarrays representing 1079 distinct mouse miRNA targets were used to measure miRNA expression in samples from eight HL and eight D cats. RESULTS: By microarray, 227 distinct microRNAs were identified. Nineteen miRNAs were differentially expressed in diabetic cats, but only two reached statistical significance after correction for multiple comparisons. In qRT-PCR, miR-122* was found to be upregulated in diabetic cats more than 40-fold compared to HL cats, while miR-193b was upregulated about 10-fold. MiR-483* showed a 6- fold increase in diabetic cats compared to HL cats. CONCLUSIONS: Small volumes of serum samples yield sufficient material to detect altered microRNA expression profiles in diabetic cats. The domestic cat may be considered a useful animal model for studying miRNAs involved in human T2DM. Blood was drawn from two groups of cats: 8 healthy cats and 8 cats suffering from diabetes. After clotting, samples were centrifuged and total mRNA was extracted from serum. These 16 serum samples were analyzed and the groups were compared. Due to technical problems during hybridization (leaking chamber), sample 1_4_B (Serum_diabetic_8) was not included into analysis.

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Standard ATAC-seq from sorted Olig2-expressing cells for CaTS-ATAC QC

Project description:Standard ATAC-seq from sorted Olig2-expressing cells for CaTS-ATAC QC

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miRNA expression profiles in the serum of diabetic cats

Project description:BACKGROUND: MicroRNAs negatively regulate gene expression and play a pivotal role in the pathogenesis of human type 2 diabetes mellitus (T2DM). As the domestic cat presents a spontaneous animal model for human T2DM, the purpose of this study was to investigate whether microRNAs are detectable in feline serum and whether microRNA expression profiles differ between healthy and diabetic cats. METHODS: Total RNA was extracted from 400 µl serum of healthy lean (HL) and newly diagnosed diabetic (D) cats. MicroRNA microarrays representing 1079 distinct mouse miRNA targets were used to measure miRNA expression in samples from eight HL and eight D cats. RESULTS: By microarray, 227 distinct microRNAs were identified. Nineteen miRNAs were differentially expressed in diabetic cats, but only two reached statistical significance after correction for multiple comparisons. In qRT-PCR, miR-122* was found to be upregulated in diabetic cats more than 40-fold compared to HL cats, while miR-193b was upregulated about 10-fold. MiR-483* showed a 6- fold increase in diabetic cats compared to HL cats. CONCLUSIONS: Small volumes of serum samples yield sufficient material to detect altered microRNA expression profiles in diabetic cats. The domestic cat may be considered a useful animal model for studying miRNAs involved in human T2DM.

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miRNA expression profiles in the serum of cats with hypertrophic cardiomyopathy compared to healthy cats

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cinaR: A comprehensive R package for the differential analyses and interpretation of ATAC-seq data

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Urinary miRNAs contained in exosome of dogs and cats

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