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Effects of paternal high cholesterol diet on F1 generation intimal transcriptome

ABSTRACT: Effects of paternal high cholesterol diet on F1 generation intimal transcriptome

PROVIDER: PRJNA1055100 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR27308004_1.fastq.gz	Fastqsanger.gz
	SRR27308004_2.fastq.gz	Fastqsanger.gz
	SRR27308005_1.fastq.gz	Fastqsanger.gz
	SRR27308005_2.fastq.gz	Fastqsanger.gz
	SRR27308006_1.fastq.gz	Fastqsanger.gz

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Effects of paternal high cholesterol diet on F1 generation intimal transcriptome

Project description:Purpose: To investigate the effects of paternal high cholesterol diet on the F1 intimal transcriptome related to atherosclerosis. Methods:Three-week-old male LDL Receptor-deficient (LDLR-/-) male mice were fed a low-cholesterol diet (LCD) or high-cholesterol diet (HCD) for 8 weeks and then mated with age-matched control LDLR-/- female mice to generate F1 offspring. F1 LDLR-/- mice were fed a LCD for 16 weeks. Intimal RNA was extracted by injecting Trizol into the aorta and collecting the flow through for further processing. Results: . Total RNA isolated from the F1 intima were then subjected for RNA-sequencing analysis and results show that paternal hypercholesterolemia led to upregulation of 147 genes in the intimal of F1 female mice, many of which are involved in immune and inflammatory pathways.

2024-10-08 | GSE251711 | GEO

Effects of high cholesterol diet on intimal transcriptome [Intima_mRNA]

Project description:Purpose: To investigate the effects of high cholesterol diet on the intimal transcriptome related to atherosclerosis. Methods: 3-week-old LDLR-/- male mice were fed a high cholesterol or low cholesterol diet for 9 weeks. Intimal RNA was extracted by injecting Trizol into the aorta and collecting the flow through for further processing. Results: Mice fed a high cholesterol revealed upregulation in atherosclerosis and immune/inflammatory related genes.

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Effects of high cholesterol diet on intimal transcriptome

Project description:Effects of high cholesterol diet on intimal transcriptome

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Effects of high cholesterol diet on intimal transcriptome [Intima_mRNA]

Project description:Effects of high cholesterol diet on intimal transcriptome [Intima_mRNA]

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Effects of high cholesterol diet on intimal small RNA expression profile utilizing two different RNA-seq methods [Intima_small_RNA]

Project description:Purpose: To reveal the small RNA profiles in the intima using traditional and PANDORA-seq methods. Methods: 3-week-old LDLR-/- male mice were fed a high cholesterol or low cholesterol diet for 9 weeks. Intimal RNA was extracted by injecting Trizol into the aorta and collecting the flow through for further processing. Results: PANDORA-seq revealed an abundant amount of tsRNA and rsRNA that were undetected by traditional-seq. Importantly, PANDORA-seq revealed that many differentially regulated sncRNAs also undetected with traditional-seq.

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F1 allele specific gene expression

Project description:By comparing mouse fibroblasts from two parental strains (Bl6 and Spretus) with fibroblasts from their first generation offspring (F1) we can detect allele specific expression of proteins. The Bl6 and Spretus lines are evolutionary distant and harbour many SNPs in their genomes which when synonomous we can detect on the protein level using mass spectrometry. By mixing SILAC labeled Bl6, Spretus and F1 offspring cell lines we can detect peptides shared between all three cell lines and also SNP peptides that are only expressed in the F1 cells and either Bl6 or Spretus cells. By comparing the abundance of the shared peptides and the SNP peptides we can quantify how much of a protein in the F1 cells that comes from the paternal or maternal allele. This data were then further compared to polysome profiling data. Azidohomoalanine labeling was used to enrich newly synthesized proteins from the three cell lines.

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Paternal diet induces transgenerational epigenetic inheritance of DNA methylation signatures and phenotypes in sheep model

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Project description:Evaluation of transgenerational influence of paternal dietary methyl substrates on offspring and grand-offspring brain and behavior Dietary intake of methyl donors, such as folic acid and methionine, shows considerable intra-individual variation in human populations. While it is recognized that maternal departures from the optimum of dietary methyl donor intake can increase the risk for mental health issues and neurological disorders in offspring, it has not been explored whether paternal dietary methyl donor intake influences behavioral and cognitive functions in the next generation. Here, we report that elevated paternal dietary methyl donor intake in a mouse model, transiently applied prior to mating, resulted in offspring animals (MD F1 mice) with deficits in hippocampus-dependent learning and memory, impaired hippocampal synaptic plasticity and reduced hippocampal theta oscillations. Gene expression analyses revealed altered expression of the methionine adenosyltransferase Mat2a and BK channel subunit Kcnmb2, which was associated with changes in Kcnmb2 promoter methylation in MD F1 mice. These phenomena did not extend into the F2 offspring generation. Together, our data indicate that paternal dietary factors influence cognitive and neural functions in the offspring generation.

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