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Transcriptome and DNA (hydro)methylation in mouse hypothalamic arcuate nucleus in puberty onset.

ABSTRACT: Transcriptome and DNA (hydro)methylation in mouse hypothalamic arcuate nucleus in puberty onset.

PROVIDER: PRJEB39790 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	ERR4426495_1.fastq.gz	Fastqsanger.gz
	ERR4426495_2.fastq.gz	Fastqsanger.gz
	ERR4426496_1.fastq.gz	Fastqsanger.gz
	ERR4426496_2.fastq.gz	Fastqsanger.gz
	ERR4426497_1.fastq.gz	Fastqsanger.gz

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Transcriptome and DNA (hydro)methylation in mouse hypothalamic arcuate nucleus in puberty onset

Project description:To better understand the epigenetic mechanism underlying pubertal onset, the hypothalamic genome-wide DNA methylation and hydroxymethylation patterns as well as the transcription profiles in mouse arcuate nucleus at early and late pubertal stages were explored. Female mice have been widely used in multiple studies on pubertal development as they present the similar molecular behaviors in HPG axis and stable cycles of menstrual calendar like human. Hypothalamic ARC underwent a huge epigenetic and genetic reprogramming to adapt to the response and feedback on sexual hormones during the stages of early pubertal (2-5-week of age) and late puberty (5-8-week of age) . We harvested 4- and 8-week hypothalamic ARC and employed RNA-seq, reduced representation bisulfite sequencing (RRBS) and hydroxymethylation profiling (RRHP) on a genome-wide scale. We identified a large number of differential expressed genes (DEGs) and differential 5(h)mC signals across the whole genome. We discovered novel connections between DNA (hydroxyl)methylated modification and gene expression, emphasizing the importance of epigenetic alterations in regulating transcription in puberty onset.

2020-08-21 | E-MTAB-9421 | biostudies-arrayexpress

Transcriptome and DNA (hydro)methylation in mouse hypothalamic arcuate nucleus in puberty onset.

2020-08-20 | E-MTAB-9420 | biostudies-arrayexpress

Transcriptome and DNA (hydro)methylation in mouse hypothalamic arcuate nucleus in puberty onset

Project description:Transcriptome and DNA (hydro)methylation in mouse hypothalamic arcuate nucleus in puberty onset

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Chromatin accessibility in mouse hypothalamic arcuate nucleus in puberty onset

Project description:To better understand the epigenetic mechanism underlying pubertal onset, the hypothalamic genome-wide chromatin accessibility patterns in mouse arcuate nucleus at early and late pubertal stages were explored. Female mice have been widely used in multiple studies on pubertal development as they present the similar molecular behaviors in HPG axis and stable cycles of menstrual calendar like human. Hypothalamic ARC underwent a huge epigenetic and genetic reprogramming to adapt to the response and feedback on sexual hormones during the stages of early pubertal (2-5-week of age) and late puberty (5-8-week of age) . We harvested 4- and 8-week hypothalamic ARC and employed ATAC-seq on a genome-wide scale. Combined with previous RRBS, RRHP and RNA-seq, the connections between DNA (hydroxyl)methylation in retroelements and gene expression were studied, emphasizing the importance of epigenetic alterations in regulating transcription in puberty onset.

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Chromatin accessibility in mouse hypothalamic arcuate nucleus in puberty onset

Project description:Chromatin accessibility in mouse hypothalamic arcuate nucleus in puberty onset

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Project description:Puberty marks the end of childhood and achieve sexual maturation and fertility. The role of hypothalamic proteins in regulating puberty onset is unclear. We performed a comprehensive differential proteomics and phosphoproteomics analysis in prepubertal and pubertal goats to determine the roles of hypothalamic proteins and phosphoproteins during the onset of puberty.

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ATAC-seq of iPSC-derived hypothalamic arcuate-like neuron cells

Project description:We performed ATAC-seq on iPSC-derived hypothalamic arcuate-like neuron cells to identify putative regulatory elements. All samples were derived from the same individual and from the same differentiation/cell line but ATAC-seq was performed in 3 separate experiments (3 technical replicates).

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Project description:Hypothalamic hamartomas (HHs) are congenital lesions of the neuroendocrine brain composed of neurons and astroglia. Frequently, HHs are associated with central precocious puberty (CPP) and/or gelastic seizures. Because HHs might express genes similar to those required for the initiation of normal puberty we used cDNA arrays to compare the gene expression profile of a HH associated with CPP with three HHs not accompanied by sexual precocity. Our aim was to identify genes whose expression may be selectively altered in the HH with CPP and hence, involved in the onset of puberty. Experiment Overall Design: Affymetrix arrays were used to detect global changes in gene expression. The results of this analysis were confirmed by semi-quantitative PCR.

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Gene expression data from hypothalamic hamartomas (HH) obtained from patients with or without precocious puberty (CPP)

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