ArticleCell proliferation2022
Changes in OCT4 expression play a crucial role in the lineage specification and proliferation of preimplantation porcine blastocysts.
Article in Cell proliferation, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Fetal Bovine Serum Is Essential for Maintaining Viability of Porcine Blastocysts During Extended In Vitro Culture: A Comparative Study With Defined Supplements.Reproduction in domestic animals = Zuchthygiene · 2026Article
- CRISPR Screening Reveals a Novel Role for FOXH1 in Regulating Pluripotency of Porcine Embryonic Stem Cells.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Article
- Oleanolic acid improves the in vitro developmental competence of early porcine embryos by reducing oxidative stress and ameliorating mitochondrial function.Animal bioscience · 2025Article
- IDH2 and GLUD1 depletion arrests embryonic development through an H4K20me3 epigenetic barrier in porcine parthenogenetic embryos.Zoological research · 2024Article
- NANOG expression in parthenogenetic porcine blastocysts is required for intact lineage specification and pluripotency.Animal bioscience · 2023Article
- Maslinic Acid Supplementation during the In Vitro Culture Period Ameliorates Early Embryonic Development of Porcine Embryos by Regulating Oxidative Stress.Animals : an open access journal from MDPI · 2023Article
- Changes in OCT4 expression play a crucial role in the lineage specification and proliferation of preimplantation porcine blastocysts.Cell proliferation · 2022Article
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Authors and funding
8 authors.
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Abstract
objectivesCuriosity about the role of OCT4, a core transcription factor that maintains inner cell mass (ICM) formation during preimplantation embryogenesis and the pluripotent state in embryonic development, has long been an issue. OCT4 has a species-specific expression pattern in mammalian preimplantation embryogenesis and is known to play an essential role in ICM formation. However, there is a need to study new roles for OCT4-related pluripotency networks and second-cell fate decisions. MATERIALS AND
methodsTo determine the functions of OCT4 in lineage specification and embryo proliferation, loss- and gain-of-function studies were performed on porcine parthenotes using microinjection. Then, we performed immunocytochemistry and quantitative real-time polymerase chain reaction (PCR) to examine the association of OCT4 with other lineage markers and its effect on downstream genes.
resultsIn OCT4-targeted late blastocysts, SOX2, NANOG, and SOX17 positive cells were decreased, and the total cell number of blastocysts was also decreased. According to real-time PCR analysis, NANOG, SOX17, and CDK4 were decreased in OCT4-targeted blastocysts, but trophoblast-related genes were increased. In OCT4-overexpressing blastocysts, SOX2 and NANOG positive cells increased, while SOX17 positive cells decreased, and while total cell number of blastocysts increased. As a result of real-time PCR analysis, the expression of SOX2, NANOG, and CDK4 was increased, but the expression of SOX17 was decreased.
conclusionTaken together, our results demonstrated that OCT4 leads pluripotency in porcine blastocysts and also plays an important role in ICM formation, secondary cell fate decision, and cell proliferation.
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