Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR10883400.fastq.gz | Fastqsanger.gz | |||
| SRR10883401.fastq.gz | Fastqsanger.gz | |||
| SRR10883402.fastq.gz | Fastqsanger.gz | |||
| SRR10883403.fastq.gz | Fastqsanger.gz | |||
| SRR10883404.fastq.gz | Fastqsanger.gz |
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Project description:The guinea pig (cavia porcellus) is an excellent experimental model for translation to many aspects of human physiology and disease yet there is limited experimental information regarding its proteome. In an effort to overcome this gap in our knowledge, we generated a comprehensive spectral library of the guinea pig proteome. Homogenates and tryptic peptide digests were prepared from 16 tissues (brain, colon, duodenum, adipose, kidney, large intestine, liver, lung, ovaries, pancreas, placenta, skeletal muscle, small intestine, stomach, heart, uterus) and subjected to >200 DDA runs. Analysis of >250,000 peptide-spectrum matches resulted in the construction of a library of 73594 peptides corresponding to 7667 proteins.
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Project description:Implantation is the attachment of embryo in the endometrium. Failure in implantation is a major cause of early pregnancy loss. During implantation, the temporal uterine lumen closure can help embryo attach to the uterus. In pigs, extending of endometrial folds to form interlocking finger-like projections is a main cause leads to uterine lumen closure during attachment time, but the underlying mechanisms are largely unknown. Our data reveal that pig uterine luminal epithelium (LE) migrate in coordinated groups during extending of endometrial folds. Moreover, the MALDI-TOF MS based N-glycomic characterization of porcine endometrium revealed α2,6-linked sialic acid are highly expressed in pig uterine LE during extending of endometrial folds. To investigated the mechanisms by which α2,6-sialylated proteins in formation of the endometrial folding during implantation in pigs, the α2,6-sialylated proteins in pig uterine LE were characterized by proteomic analysis and those proteins that are involved in cell adhesion, such as E-cadherin, were detected. Finally, our in vivo and in vitro data show that α2,6-sialylation of E-cadherin occurs in accompany with collective epithelial migration. The results provide new insight into the mechanism of pig implantation by identifying that α2,6-sialylation of cell adhesion molecules may participate in formation of extending of endometrial folds through promoting of collective migration of uterine LE.
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Project description:Study on pig intestinal flora Targeted loci environmental
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Project description:To explore the regulatory mechanism of intestinal flora in Citrobacter rodentium -induced intestinal infection by transcriptome analysis at miRNA molecular level.
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Project description:The wide application of pig disease model has caused a surge of interest in the study of derivation of pig induced pluripotent cells (iPSCs). Here we performed genome-wide analysis of gene expression profiling by RNA-seq and small RNA-seq and DNA methylation profile by MeDIP-seq in pig iPSCs through comparison with somatic cells. We identified mRNA and microRNA transcripts that were specifically expressed in pig iPSCs. We then pursued comprehensive bioinformatics analyses, including functional annotation of the generated data within the context of biological pathways, to uncover novel biological functions associated with maintenance of pluripotency in pig. This result supports that pig iPS have transcript profiles linked to ribosome, chromatin remodeling, and genes involved in cell cycle that may be critical to maintain their pluripotency, plasticity, and stem cell function. Our analysis demonstrates the key role of RNA splicing in regulating the pluripotency phenotype of pig cells. Specifically, the data indicate distinctive expression patterns for SALL4 spliced variants in different pig cell types and highlight the necessity of defining the type of SALL4 when addressing the expression of this gene in pig cells. MeDIP-seq data revealed that the distribution patterns of methylation signals in pig iPS and somatic cells along the genome. We identify 25 novel porcine miRNA, including pluripotency-related miR-302/367cluster up-regulated in pig iPSCs. At last, we profile the dynamic gene expression signature of pluripotent genes in the preimplantation development embryo of pig. The resulting comprehensive data allowed us to compare various different subsets of pig pluripotent cell. This information provided by our analysis will ultimately advance the efforts at generating stable naive pluripotency in pig cells.
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