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Whole-transcriptome analysis of Granulosa Cells Between the Healthy and Atresia Follicles in Chinese Buffalo

ABSTRACT: whole-transcriptome analysis of Granulosa Cells Between the Healthy and Atresia Follicles in Chinese Buffalo

PROVIDER: PRJNA662383 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR12613036.fastq.gz	Fastqsanger.gz
	SRR12613037.fastq.gz	Fastqsanger.gz
	SRR12613038.fastq.gz	Fastqsanger.gz
	SRR12613039.fastq.gz	Fastqsanger.gz
	SRR12613040.fastq.gz	Fastqsanger.gz

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whole-transcriptome analysis of Granulosa Cells Between the Healthy and Atresia Follicles in Chinese Buffalo

Project description:GCs were collected from HFs and AFs , to use second-generation high-throughput sequencing for whole-transcriptome analysis, respectively. In total, 1861 and 1075 mRNAs, 159 and 24 miRNAs, 123 and 100 lncRNAs, and 58 and 54 circRNAs were identified to be differentially expressed (DE) in up-regulated and down-regulated. Enrichment of functions and signaling pathways of the DEgenes showed that most of DEmRNAs and targets of DEmiRNAs, DElncRNAs and DEcricRNAs were annotated to the categories of ‘PI3K-Akt signaling pathway’, ‘ECM-receptor interaction’, ‘Focal adhesion’, ‘mTOR signaling pathway ’ ‘TGF-beta signaling pathway’, ‘Rap1 signaling pathway’, and ‘Estrogen signaling pathway’. The ceRNA (competing endogenous RNA) network was constructed based on ceRNA theory further revealed regulatory roles of these DERNAs in granulosa cells of buffalo atretic follicles. A large number of mRNAs, lncRNAs, circRNAs, and miRNAs in buffalo granulosa were altered in healthy and atretic follicles, which may play crucial roles in atretic of buffalo follicles through the ceRNA regulatory network.

2021-03-16 | GSE157686 | GEO

Transcriptomics of granulosa cells(GCs) from healthy follicles(HFs), early atretic follicles(EFs) and late atretic follicle(LFs) in Chinese buffalo

Project description:Compared with granulosa cells from healthy follicles, 2888 (1790 up-regulated, 1098 down-regulated) and 1629 (1230 up-regulated, 399 down-regulated) DEGs (|FC| > 1.75 and P value < 0.05) were identified in granulosa cells of early atretic follicles and late atretic follicle, respectively. Out of these DEGs, 1217 genes were commonly shared among the two comparisons

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Project description:Granulosa cells originating from two different phases of antral follicle growth (growing and atresia) were compared in follicles with a diameter of 9mm or more. Growing follicle is the reference. Two conditions experiment (Growing and Atresia); Four biological replicates for each group; Two technical replicates per samples (dye-swap).

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Integrative analysis of proteomic and phosphoproteomic of granulosa cells during follicular atresia in porcine

Project description:Ovarian follicular atresia is a natural physiological process, but its mechanism is not fully understood. In this study, a quantitative proteomic and phosphoproteomic of granulosa cell (GC) in the healthy (H), slightly atretic (SA), and atretic follicles (A) of porcine were performed by TMT labeling, enrichment of phosphopeptides and LC-MS/MS analysis. Altogether, 6,201 proteins were quantified, and 4,723 phosphorylation sites of 1,760 proteins were quantified. There are 24 (11 up, 13 down) and 50 (29 up, 21 down) proteins with FC>5 in H/SA and H/A, respectively. In addition, there are 20 (H/SA, up) and 39 (H/A, up) phosphosites with FC>7, which could serve as potential biomarkers to distinguish different quality categories of follicles. The results of western blotting and immunofluorescence indicated the reliability of the proteomic analysis. Further analysis of the differential expressed proteins (DEPs) and phosphorylated proteins (DEPPs) revealed some key proteins (e.g. MIF, beta catenin, integrin β2), key phosphosites (e.g. S76 of Caspase6, S22 and S636 of Lamin A/C), pathways (e.g. apoptosis, regulation of actin cytoskeleton pathway), transcription factors (e.g. STAT5A, FOXO1, BCLAF1), and kinases (e.g. PBK, CDK5, CDK12, AKT3) that involved in atresia process. Our proteomic and phosphoproteomic profiling and functional research comprehensively analyze the dynamic changes of protein expression and phosphorylation during follicular atresia, and gave a new explanation for the regulation of this process.

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Transcriptomics of granulosa cells(GCs) from healthy follicles(HFs), early atretic follicles(EFs) and late atretic follicle(LFs) in Chinese buffalo

Project description:Transcriptomics of granulosa cells(GCs) from healthy follicles(HFs), early atretic follicles(EFs) and late atretic follicle(LFs) in Chinese buffalo

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Project description:Folliculogenesis corresponds to the development of follicles leading to either ovulation or degeneration (a process called atresia). Even if atresia involves an apoptosis process, this mechanism is not well understood. The objective of this experiment was : 1) to analyse gene expression in pig granulosa cells of ovarian follicles during atresia using transcriptome analysis with a 9 024 cDNAs microarray, 2) the identification of gene networks involved in pig ovarian follicular atresia. Granulosa cells were isolated from atretic follicles (small, medium or large). Gene expression was analysed by hybridization of nylon cDNA microarrays. The images were quantified using Bzscan software and the data were managed with BASE software. Statistical analysis was performed using R software. Keywords: pig ovary, folliculogenesis, atresia, gene expression, cDNA microarray, bio-analysis

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Project description:Granulosa cells originating from three different phases of antral follicle growth were compared: growing (G), plateau (P) and atresia (A), as categorized by flow cytometry profiles of DNA. The growing and atretic conditions were each hybridized against the plateau condition as a reference in order to understand the specific biological mechanisms modulated in this class of follicles. Three-condition experiment, Plateau, Growing vs Atretic granulosa cells. Biological replicates: 4 . Dye-swap experiment.

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Whole-Transcriptome Analysis of LncRNAs Mediated ceRNA Regulation in Granulosa Cells Isolated From Healthy and Atresia Follicles of Chinese Buffalo.

Project description:Granulosa cells (GCs) are the main supporting cells in follicles and play an important role in the regulation of oocyte maturation and follicular atresia. Accumulating evidence indicates that non-coding RNAs participate in regulation of the physiological function of GCs. However, whole-transcriptome analysis for GCs of buffalo has yet to be reported. In this study, healthy follicles (HFs) and atretic follicles (AFs) were defined according to the apoptosis rate of GCs and the hormone level in follicular fluid. GCs were collected from HFs and AFs (n = 15, 5 < n < 8 mm) for whole-transcriptome analysis using second-generation high-throughput sequencing. A total of 1,861 and 1,075 mRNAs, 159 and 24 miRNAs, and 123 and 100 lncRNAs, were upregulated and downregulated between HFs and AFs, respectively. Enrichment of functions and signaling pathways of these differentially expressed (DE) genes showed that most of DEmRNAs and targets of DEmiRNAs were annotated to the categories of ECM-receptor interaction and focal adhesion, as well as PI3K-AKT, mTOR, TGF-beta, Rap1, and estrogen signaling pathways. The competing endogenous RNA (CeRNA) network was also constructed based on the ceRNA theory which further revealed regulatory roles of these DERNAs in GCs of buffalo follicles. Finally, we validated that lnc4040 regulated the expression of Hif1a as miR-709 sponge in a ceRNA mechanism, suggesting their critical functions in GCs of buffalo follicles. These results show that lncRNAs are dynamically expressed in GCs of HFs and AFs, and interacting with target genes in a ceRNA manner, suggesting their critical functions in buffalo follicular development and atresia.

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