Tìm thấy 20+ kết quả cho từ khóa "Oocyte maturation"
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Knowledge about the limitations of animal models is crucial when exploring a complex process such as human oocyte maturation and fertilization.. The necessary transcripts deposited in fully-grown GV oocytes are produced during the period of oocyte growth, which is essential for oocyte maturation and fertilization [12]. Also, the selective degradation of tran- scripts that occurs during oocyte maturation is required for meiotic maturation and oocyte-to-embryo transition [13–15].
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To investigate the roles of miRNAs in gene expression regulation in non-hibernation-induced infertility in the Chinese alligator further, we predicted the targets of each miRNA and generated a regulatory network of their involvement in oocyte maturation (Fig. 3 Gene expression related to oocyte maturation in the ovaries of Chinese alligators overwintering in different environments. Box plots of the expression levels of genes involved in oocyte maturation pathway.
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Wang WH, L Abeydeera R, Cantley TC, Day BN (1997) Effects of Oocyte maturation media on development of pig embryos produced by in vitro fertilization. Yoshida M, Ishigaki K, Pursel VG (1992) Effect of maturation media on male pronucleus formation in pig oocytes matured in vitro. Một trong những nguyên nhân chủ yếu là trong điều kiện in vitro trứng lợn không phát triển thành thục hoàn thiện như ở các loài khác.
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The expression level of AC3 and OMP in the cumulus cells (Figure 4A) convinced us about the role of the olfactory signaling pathway in oocyte maturation and quality acquisition. Soonthornsumrith et al., 2018)..
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The parental genes of these stage-specific circRNAs were enriched in MAPK signaling pathway, progesterone-mediated oocyte maturation, oocyte meiosis and GnRH signaling pathway in post-puberty (Additional file 6) (Fig. Moreover, 154 circRNAs were expressed in all stages and consid- ered as the co-existed circRNAs (Figs. Be- sides, some specific circRNAs and co-existed circRNAs were derived from the same gene. For instance, “circ 1:.
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A precise comparison of developmental series of oocyte growth and oocyte maturation between real-oocytes and pseudo- oocytes in the coral Galaxea fascicularis. A relaxin-like peptide purified from radial nerves induces oocyte maturation and ovulation in the starfish, Asterina pectinifera. A G protein-coupled receptor mediates neuropeptide-induced oocyte maturation in the jellyfish Clytia. Green fluorescent protein regulation in the coral Acropora yongei during photoacclimation.
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Taken together with our studies on superstimulation, oocyte maturation, ovulatory potential and embryonic development results of the present study support the notion that 7-day superstimu- latory treatment results in healthier follicles and more competent oocytes than the conventional 4-day protocol..
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Follicle size affects the results obtained and the rate of oocyte maturation in vitro culture process. The follicles size >3 mm for best results both in terms of good oocytes and oocyte maturation rate after the in vitro maturation.
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Those genes mapped in the PPI networks in this study, that were enriched with “cell cycle”, “oocyte meiosis”, and “progesterone-mediated oocyte maturation” path- ways might be related to reproductive potential in H.. The PPIs among ribosomal proteins (RPs) de- tected in the present study (enriched in the “ribosome”. The eukaryotic translation initiation factor 3 complex (eIF3, enriched in the “RNA transport”.
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GnRH agonist for triggering of final oocyte maturation: time for change of practice?.. 2011, pp.1-15.
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The mRNAs enriched in the progesterone-mediated oocyte maturation pathway might be relevant in this respect, since signaling by the progestin 17α,20β-dihydroxy-4- pregnen-3-one (DHP) through this pathway is an im- portant step in stimulating the spermatogonial phase in fish spermatogenesis [55, 56].
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Cathepsin C transcripts are differentially expressed in the final stages of oocyte maturation in kuruma prawn Marsupenaeus japonicus. Molecular characterization of cathepsin L cDNA and its expression during oogenesis and embryogenesis in the oriental river prawn Macrobrachium nipponense (Palaemonidae).. The identification and distribution of gonadotropin-releasing hormone-like peptides in the central nervous system and ovary of the giant freshwater prawn Macrobrachium rosenbergii.
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In the case of females, this is supported by studies where inha expression increased during folliculogenesis and peaked during final oocyte maturation in zebrafish [61] and coho salmon [62]. Expression of gsdf and inha in Atlantic salmon ovary (gsdf: b, c, g, h. Lysine degradation is a pathway essential for metabolic function in the cell and can in this way have a special function in germ cells.
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ỨNG DỤNG CÁC GESTAGEN TRONG SINH SẢN NHÂN TẠO CÁ Ở MIỀN NAM APPLICATION OF GESTAGENS IN SOUTHERN VIETNAM FISH INDUCED SPAWNING Nguyễn Tường Anh Khoa Sinh ĐH Khoa học Tự nhiên TP HCM (University of Science HCM City) ABSTRACT In fish artificial breeding, the gestagens C21 (including corticoids) are used as oocyte maturation inducing factors.
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In fishes, FSH is considered to regulate early phases of gametogenesis, such as vitellogenesis and sperma- togenesis, whereas LH is responsible for the final maturation processes, such as oocyte maturation, ovulation, spermia- tion, and milt production (Yaron et al., 2003).. are being evaluated for the production of these valuable pro- teins. Huang et al., 1991), FSH and LH of gilthead seabream (Sparus aurata. Meiri et al., 2000), goldfish (Carassius auratus.
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Changes in the sperm-zona pellucida binding properties during porcine oocyte maturation.. Comparative analysis of the transcriptome and proteome during mouse placental development
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Cytoplasmic glutathione regulated by cumulus cells during porcine oocyte maturation affects fertilization and embryonic development in vitro.. Improve-ment in the in vitro maturation rate of porcine oocytes vitrified at the germinal vesicle stage by treatment with a mitochondrial permeability transition inhibitor. Developmental ability of porcine in vitro matured oocytes at the meiosis II stage after vitrification.
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GnRH agonist for triggering final oocyte maturation in the GnRH antagonist ovarian hyperstimulation protocol: a systematic review and meta-analysis. pp.792-796.. pp.213-220.. GnRH agonist (buserelin) or hCG for ovulation induction in GnRH antagonist IVF/ICSI cycles: a prospective randomized study. pp.1213-1220.. pp.5694-5702.
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Background: Transcription is arrested in the late stage oocyte and therefore the maternal transcriptome stored in the oocyte provides nearly all the mRNA required for oocyte maturation, fertilization, and early cleavage of the embryo. The transcriptome of the unfertilized egg, therefore, has potential to provide markers for predictors of egg quality and diagnosing problems with embryo production encountered by fish hatcheries.
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In addition, 5824 target genes were annotated as differentially expressed miRNAs, most of which are involved in reproductive pathways including oestrogen signalling, cell cycle, and oocyte maturation. Notably, ovarian miR-205b expression was significantly negatively correlated with its target 11 β - hydroxysteroid dehydrogenase type 1 ( HSD11B1).