Pig brain miRNA profiling
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA623861 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR11510203.fastq.gz | Fastqsanger.gz | |||
| SRR11510204.fastq.gz | Fastqsanger.gz | |||
| SRR11510205.fastq.gz | Fastqsanger.gz | |||
| SRR11510206.fastq.gz | Fastqsanger.gz | |||
| SRR11510207.fastq.gz | Fastqsanger.gz |
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Project description:Purpose: The aim of present research was to characterize miRNA profile of the pig brain tissue and identify miRNAs potentially connected with brain functioning. Methods: miRNA-seq analysis was performed on brain samples collected from 21 male and female pigs belonging to the Polish 990 synthetic line. The miRNA libraries were constructed from total RNA using NEBNext Multiplex Small RNA Library Prep Set for Illumina (New England Biolabs) according to the manufacturer protocol. The quantification of the obtained libraries was performed on a Qubit 2.0 spectrophotometer (Invitrogen, Life Technologies), while a quality control on a TapeStation 2200 instrument (D1000 ScreenTape; Agilent). 100 single-end cycle sequencing was performed on the HiScanSQ platform (Illumina) with the use of TruSeq SR Cluster Kit v3- CBOT-HS and TruSeq SBS Kit v 3 - HS (Illumina). MicroRNA differentially expressed between males and females were identified with the DESeq2 software, while validation was carried out with RT-qPCR. Results: miRNA-seq approach allowed the identification of 237 known and 286 potentially novel miRNAs. The comparison of miRNA profiles between females and males showed differential expression of 38 microRNAs. Pathway analysis (DIANA mirPath v.3 tool) confirmed that detected miRNAs are engaged in estrogen signaling pathway, prolactin signaling pathway, long-term depression, axon guidance according to KEGG Database, and response to stress, immune system process, catabolic process according to GO. Conclusions: Obtained results enabled us to characterize the miRNA profile of the pig brain tissue of males and females, with particular emphasis on the influence of sex. Moreover, they can be the basis for future studies in terms of search of candidate miRNAs related with important processes occuring in the brain and its diseases.
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Project description:miRNA-seq data of pig alveolar macrophages from 4 pig breeds.
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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. Our analysis identifies the genes up-regulated in pig iPS compared with somatic cells and also the differentially expressed genes between pig iPSCs under different culture medium. 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 naïve pluripotency in pig cells.
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Project description:Purpose: Analysis of the effect of different fats and amonut of cDDGS in the feedstuff on miRNA expression in porcine backfat Methods: miRNA-seq analysis was performed on backfat samples collected from 24 male and female crossbred fatteners originating from sows (Polish Landrace × White Large Polish) mated with a boar (Duroc × Pietrain) divided into four dietary groups: 7-cDDGS+rapeseed oil (group I), n=6 (+cDDGS+rapeseed oil -group II), n= 6 (+cDDGS+beeftallow -group III),n=5 (+cDDGS+coconut oil -group IV). The miRNA libraries were constructed from total RNA using NEBNext Multiplex Small RNA Library Prep Set for Illumina (New England Biolabs) according to the manufacturer protocol. The quantification of the obtained libraries was performed on a Qubit 2.0 spectrophotometer (Invitrogen, Life Technologies), while a quality control on a TapeStation 2200 instrument (D1000 ScreenTape; Agilent). 100 single-end cycle sequencing was performed on the HiScanSQ platform (Illumina) with the use of TruSeq SR Cluster Kit v3- CBOT-HS and TruSeq SBS Kit v 3 - HS (Illumina). MicroRNA differentially expressed between dietary groups were identified with the DESeq2 software. Results: The comparison of miRNA profiles between dietary groups showed The highest number of miRNAs with altered expression was identified in the comparison of animals fed the diet containing cDDGS and coconut oil (group IV) with animals from the –cDDGS + rapeseed oil (group I) (37 miRNA, p adjusted <0.01). Moreover, in comparison between the group IV and groups III and II , 29 (12 upregulated and 17 downregulated in +cDDGS+coconut oil group) and 28 (10 upregulated and 18 downregulated in +cDDGS+coconut oil group) miRNAs were identified, respectively (p adjusted <0.1) Conclusions: Obtained results suggest that coconut oil induces changes in miRNA profile of backfat in pigs.
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Project description:MicroRNA (miRNA) dysregulation is well-documented in psychiatric disease, but miRNA dynamics during adolescent and early adult brain maturation, when symptoms first appear for many of these diseases, remain poorly understood. Here, we use RNA sequencing to examine miRNAs and their mRNA targets in cortex and hippocampus from early, mid-, and late adolescent and adult mice. We also use Quantitative Proteomics by tandem mass tag mass spectrometry (TMT-MS) to examine protein dynamics in cortex from the same subjects.
2023-02-17 | PXD040229 | Pride
Project description:In this study we examined brain gyration using the pig brain as model. Pig cortical tissue from two time points in development representing a non-folded, lissencephalic, brain (embryonic day 60) and primary-folded, gyrencephalic, brain (embryonic day 80) were examined by whole genome expression microarray studies. Experiment Overall Design: 3 samples from 3 litters mates representing the two time points E60 and E80 of the porcine gestation period
2009-10-16 | E-GEOD-18467 | biostudies-arrayexpress
Project description:Small RNAs have been emerged as gene regulators in variety of biological pathways and functions including physiological stress and anxiety response system. In this study, we profiled and cataloged small non-coding RNAs of the pig brain in three different brain regions; the amygdala, hippocampus and hypothalamus obtained from 20 adult pigs. In addition, the adrenal gland was also included in the analysis.
2020-12-01 | E-MTAB-7499 | biostudies-arrayexpress
Project description:Postweaning multisystemic wasting syndrome in pigs has devastated the swine industry since the 1990s. Porcine circovirus type 2 (PCV2) is the primary cause of this disease. MicroRNAs (miRNAs) are small noncoding RNAs that play important roles in regulating gene expression, especially at the post-transcription level. The expression profiles of miRNAs have been reported in porcine reproductive and respiratory syndrome, porcine parvovirus, and other pig diseases; however, the miRNA expression profiles in pigs infected with PCV2 have not been reported so far. The Laiwu pig (a Chinese indigenous pig breed) has different meat quality, adipogenesis, and disease-resistance from western commercial pig breeds. In this study, four small RNA libraries were constructed from the lung tissue of uninfected and infected Laiwu and Yorkshire/Landrace crossbred (YL) pigs. High-throughput sequencing and bioinformatics were used to determine the abundance and differential expression of miRNAs in the four libraries
2016-12-13 | GSE92259 | GEO
Project description:miRNA sequences (from miRNA-seq) from the tissues of longissimus dorsi muscle of two indigenous Chinese pig breeds (Diannan Small Ear pig [DSP] and Tibetan pig [TP]) and two introduced pig breeds (Landrace [LL] and Yorkshire [YY]) were examined using HiSeq 2000 to identify and compare the differential expression of functional genes related to muscle growth and lipid deposition. With miRNA-seq, we obtained 23.78 M reads and 320 positively expressed miRNAs from muscle tissues, including 271 known pig miRNAs and 49 novel miRNAs. In those 271 known miRNAs, 20 were higher and 10 lower expressed in DSP-TP than in LL-YY. The target genes of the 30 miRNAs were mainly participated in MAPK, GnRH, insulin and Calcium signaling pathway and others involved in cell development, growth and proliferation, etc. Combining the DEGs and the differentially expressed (DE) miRNAs, we drafted a network of 46 genes and 18 miRNAs for regulating muscle growth and a network of 15 genes and 16 miRNAs for regulating lipid deposition. We identified that CAV2, MYOZ2, FRZB, miR-29b, miR-122, miR-145-5p and miR-let-7c, etc, were key genes or miRNAs regulating muscle growth, and FASN, SCD, ADORA1, miR-4332, miR-182, miR-92b-3p, miR-let-7a and miR-let-7e, etc. were key genes or miRNAs regulating lipid deposition.
2016-12-31 | GSE93022 | GEO