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Effect of vitamin D supplementation on liver transcriptome in pigs, estimated by 3`quant mRNA-seq

ABSTRACT: Effect of vitamin D supplementation on liver transcriptome in pigs, estimated by 3`quant mRNA-seq

PROVIDER: PRJNA1256864 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR33370300.fastq.gz	Fastqsanger.gz
	SRR33370301.fastq.gz	Fastqsanger.gz
	SRR33370302.fastq.gz	Fastqsanger.gz
	SRR33370303.fastq.gz	Fastqsanger.gz
	SRR33370304.fastq.gz	Fastqsanger.gz

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Project description:Background: In addition to its canonical functions, vitamin D has been proposed to be an important mediator of the immune system. Despite ample sunshine, vitamin D deficiency is prevalent (> 80%) in the Middle East, resulting in a high rate of supplementation. However, the underlying molecular mechanisms of the specific regimen and potential factors affecting an individual’s response to vitamin D are not well characterized. Objective: To characterize changes in blood transcriptomic and the potential mechanisms associated with vitamin D3 supplementation and response. Design: In this intervention study, one hundred vitamin D-deficient women were given a weekly oral dose (50,000 IU) of vitamin D3 for three months. A high-throughput targeted PCR, composed of 264 genes representing important blood transcriptomic fingerprints in health and disease states, was performed on pre- and post-supplementation blood samples to profile the molecular response to vitamin D3. Multivariate, network, gene ontology, and literature mining analyses were used for the interpretation of the transcriptomic profiling results. Results: We identified 54 differentially expressed genes that were strongly modulated by vitamin D3 supplementation. Network analyses showed significant changes in the immune-related pathways such as TLR4/CD14 and IFN receptors, and catabolic processes related to NFkB, which were subsequently confirmed by gene ontology enrichment analyses. We proposed a model for vitamin D3 response, using the reduced expression of the molecules involved and the receptor-mediated intra-cellular signaling leading to reduce cytokine production. Conclusions: Blood-transcriptomic profiles of vitamin D3 response were generated using a targeted blood gene panel. Vitamin D has a strong effect on the immune system, G-coupled protein receptor signaling, and the ubiquitin system. We highlighted the major molecular changes and biological processes induced by vitamin D3, which will help to further investigate the effectiveness of vitamin D supplementation among individuals in the Middle East.

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Effect of vitamin D supplementation on liver transcriptome in pigs, estimated by 3`quant mRNA-seq

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