Porcine oviductal epithelial cells (OECs) primary in vitro culture
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ABSTRACT:
ORGANISM(S): Sus scrofa
PROVIDER: GSE100190 | GEO | 2017/06/20
SECONDARY ACCESSION(S): PRJNA390942
REPOSITORIES: GEO
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2018-04-05 | GSE112659 | GEO
Project description:Porcine oviductal epithelial cells (OECs) primary in vitro culture
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Project description:Spermatogenesis is an intricate developmental process occurring in testes by which spermatogonial stem cells (SSCs) self-renew and differentiate into mature sperm. The molecular mechanisms for SSC self-renewal and differentiation, while have been well studied in mice, may differ between mice and domestic animals including pigs. To gain knowledge about the molecular mechanisms for porcine SSC self-renewal and differentiation that have to date been poorly understood, here we isolated and enriched primitive spermatogonia from neonatal porcine testes, and exposed the cells to retinoic acid, a direct inducer for spermatogonial differentiation. We then identified that retinoic acid could induce porcine primitive spermatogonial differentiation into leptotene spermatocyte-like cells, which was accompanied by a clear transcriptomic alteration, as revealed by the RNA-sequencing analysis. We also compared retinoic acid-induced in vitro porcine spermatogonial differentiation with the in vivo process, and compared retinoic acid-induced in vitro spermatogonial differentiation between pigs and mice. Furthermore, we analyzed retinoic acid-induced differentially expressed long non-coding RNAs (lncRNAs), and demonstrated that a pig-specific lncRNA, lncRNA-106504875, positively regulated porcine spermatogonial proliferation by targeting the core transcription factor ZBTB16. Taken together, these results would help to elucidate the roles of retinoic acid in porcine spermatogonial differentiation, thereby contributing to further knowledge about the molecular mechanisms underlying porcine SSC development and, in the long run, to optimization of both long-term culture and induced differentiation systems for porcine SSCs.
2023-01-09 | GSE219031 | GEO
Project description:The mammalian oviduct is a complex, fibromuscular organ known for its role in orchestrating a series of timely and dynamic changes to suitably support early embryogenesis. Establishing successful reproductive outcomes are largely determined through effective and cohesive communication systems between the transient embryo and the maternal environment. Climate change-induced, Heat stress (HS), is one of the largest single stressors compromising reproductive function. Systemic changes in the redox status of the maternal environment, adversely affect fertilization and early embryonic development, negative causation of HS. Oviductal organoids represent a 3-dimensional, biomimetic model to study the physiological impact of HS on the physiology of the oviduct and the subsequent developing embryo. In this study, we aimed to generate a robust bovine oviductal organoid culture system to decrypt the oviducts' differential transcriptomic response to HS, to elucidate the impact of thermal stress on oviductal physiology with subsequent potential impacts on early embryo development.
2023-10-27 | GSE221929 | GEO
Project description:Porcine embryonic germ cells (EGC) are cultured pluripotent cells derived from primordial germ cells (PGC). This study explored the possibilities to establish porcine EGC lines in the domestic breed pig more efficiently and from earlier embryonic stages than reported to date. In vitro culture of PGC from both pooled and individual embryos at days 17-24 of gestation resulted in the successful derivation of putative EGC lines from days 20-24 with high efficiency, while no lines could be established from days 17-18. The EGC-like colonies had characteristic morphology and electron microscopy revealed tight junctions and presence of primary cilia on the cell surfaces. The cells formed simple embryoid bodies in suspension culture and further differentiated into epithelial-like, mesenchymal-like, and neuronal-like cells. Our results show that putative porcine EGC can be derived from migrating PGC with high efficiency using individual embryos from different genetic backgrounds.
2011-03-24 | GSE24220 | GEO
Project description:The mammalian oviduct is a complex, fibromuscular organ known for its role in orchestrating a series of timely and dynamic changes to suitably support early embryogenesis. Establishing successful reproductive outcomes are largely determined through effective and cohesive communication systems between the transient embryo and the maternal environment. Climate change-induced, Heat stress (HS), is one of the largest single stressors compromising reproductive function. Systemic changes in the redox status of the maternal environment, adversely affect fertilization and early embryonic development, negative causation of HS. Oviductal organoids represent a 3-dimensional, biomimetic model to study the physiological impact of HS on the physiology of the oviduct and the subsequent developing embryo. In this study, we aimed to generate a robust bovine oviductal organoid culture system to decrypt the oviducts' differential response to HS in terms of secreted EV-miRNome, to elucidate the impact of thermal stress on oviductal physiology with subsequent potential impacts on early embryo development.
2023-10-27 | GSE221895 | GEO
Project description:Sus domesticus (pig) are an excellent large mammalian model for comparative studiesdue to their relatively comparable physiology and organ size to humans. The derivation of transgene-free porcine pluripotent stem cells (PiPSCs) will therefore benefit the development of porcine-specific models for regenerative biology and its medical applications. In the past, this effort has been hampered by a lack of understanding of the signaling milieu that stabilizes the porcine pluripotent state in vitro. Here, we report that transgene-free PiPSCs can be efficiently derived from porcine fibroblasts by episomal vectors along with microRNA-302/367 using optimized protocols tailored for this species. Established PiPSCs can robustly differentiate into derivates representing the primary germ layers in vitro and in vivo. Furthermore, the transgene- free PiPSCs preserve intrinsic species-specific developmental timing in culture. This capacity is demonstrated by establishing a porcine in vitro segmentation clock model that, for the first time, displays a specific periodicity at ~ 3.7 hours, a time scale recapitulating in vivo porcine somitogenesis. We therefore propose that these transgene-free PiPSCs can serve as a powerful tool for modeling development and disease, informing both conserved and unique features of mammalian pluripotency and developmental timing mechanisms.
2023-11-09 | GSE227985 | GEO
Project description:The success of the early reproductive events depends on an appropriate communication between gametes/embryos and the oviduct. Extracellular vesicles (EVs) contained in oviductal secretions have been suggested as new players in mediating this crucial cross-talk by transferring their cargo (e.g. proteins, mRNA and small ncRNA) from cell to cell. However, little is known about the oviduct EVs composition and their implications in reproductive success. The objective of our study was to determine the changes of oviductal EVs mRNA content under the hormonal influence during the estrous cycle. Methods: EVs, exosomes and microvesicles, were isolated from bovine oviductal fluid at different stages of the estrous cycle (postovulatory-stage, early luteal phase, late luteal phase and pre-ovulatory stage). Total RNA was isolated and used for the preparation of RNA-seq libraries. RNA-sequencing was performed on an Illumina HiSeq 2500. The obtained sequence reads that passed quality filters were mapped to the bovine genome sequence using Hisat 2. Read counts were calculated with QuasR Qcount and statistical analysis with EdgeR to identify differential mRNA abundance across the different stages of the estrous cycle. Results: RNA-sequencing identified 903 differentially expressed transcripts (FDR<0.001) in bovine oviductal EVs across the estrous cycle. Major differences were found between post-ovulatory and the rest of the stages analyzed.Functional annotation of the differentially abundant mRNAs identified functions related to cilia expression, exosome/vesicles, and many transcripts encoding ribosomal proteins. Conclusions: Our findings represent the first extensive oviductal signature of bovine oviductal EVs mRNA content and contribute to a better understanding of the role of EVs as modulators of gamete/embryo-maternal interactions.
2018-07-31 | GSE110399 | GEO
Project description:Porcine breast fatty extracellular matrix proetiens has been extracted after decellularization of fatty tissue with conventional method (PFT-1) using triton X-100 and sodium dodecyl sulfate and extracted with modified methods keeping natural protein in their natural condition using X-100, urea, thiourea etc
2019-11-12 | PXD011011 | Pride