ArticleAnimal science journal = Nihon chikusan Gakkaiho2018
Sucrose assists selection of high-quality oocytes in pigs.
Article in Animal science journal = Nihon chikusan Gakkaiho, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed, 13 citations in OpenAlex.
- Physiological stage dependent hematobiochemical and echocardiographic changes in dromedary camels.BMC veterinary research · 2025Article
- Slow freezing cryopreservation of Korean bovine blastocysts with an additional sucrose pre-equilibration step.Frontiers in veterinary science · 2024Article
- Review
- Melatonin Restores the Developmental Competence of Heat Stressed Porcine Oocytes, and Alters the Expression of Genes Related to Oocyte Maturation.Animals : an open access journal from MDPI · 2021Article
- Combined refinements to somatic cell nuclear transfer methods improve porcine embryo development.The Journal of reproduction and development · 2020Article
- Establishment of porcine nuclear transfer-derived embryonic stem cells using induced pluripotent stem cells as donor nuclei.The Journal of reproduction and development · 2020Article
- Simple separation of good quality bovine oocytes using a microfluidic device.Scientific reports · 2018Article
- Sucrose assists selection of high-quality oocytes in pigs.Animal science journal = Nihon chikusan Gakkaiho · 2018Article
Corrections and comments
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Authors and funding
10 authors at 5 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
We investigated whether high-quality in vitro matured (IVM) oocytes can be distinguished from poor ones based on the morphological changes after treatment with hyperosmotic medium containing 0.2 mol/L sucrose in pigs. We hypothesize that IVM oocytes maintaining round shape have higher quality than mis-shapened oocytes following dehydration. Oocyte quality was verified by determining embryonic developmental competence using in vitro fertilization, nuclear transfer and parthenogenetic activation. In all cases, the round oocytes had greater (p < .05) developmental competence than that of mis-shapened oocytes in terms of blastocyst rate and total cell number in blastocysts obtained after 6 days of in vitro culture. We also confirm that round aged oocytes are higher in quality than mis-shapened aged oocytes. In an attempt to find out why high-quality oocytes maintain a round shape whereas poorer oocytes become mis-shapened following sucrose treatment, we examined the arrangement of actin microfilaments and microtubules. Abnormal organization of these cytoskeletal components was higher (p < .05) in mis-shapened oocytes compared to round oocytes after 52 hr of IVM. In conclusion, sucrose treatment helps selection of high-quality oocytes, including aged oocytes, in pigs. Abnormal cytoskeleton arrangements partly explain for low developmental competence of mis-shapened oocytes.
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