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Please use this identifier to cite or link to this item: https://ptsldigital.ukm.my/jspui/handle/123456789/578267
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dc.contributor.authorMutalip S. S. M (UITM)
dc.contributor.authorWan Hafizah W. J (UITM)
dc.contributor.authorNor Ashikin M. N. K (UITM)
dc.contributor.authorRajikin M. H (UITM)
dc.contributor.authorNuraliza A. S (UITM)
dc.contributor.authorNor Shahida A. R (UITM)
dc.contributor.authorSalina O (UITM)
dc.contributor.authorNorhazlin J (UITM)
dc.contributor.authorRazif D (UITM)
dc.contributor.authorFazirul M (UITM)
dc.date.accessioned2023-11-06T02:59:45Z-
dc.date.available2023-11-06T02:59:45Z-
dc.date.issued2017-08
dc.identifier.issn0128-7680
dc.identifier.otherukmvital:115788
dc.identifier.urihttps://ptsldigital.ukm.my/jspui/handle/123456789/578267-
dc.descriptionThis study was conducted to investigate mitochondrial, nuclear chromatin and cytoskeletal organisation of vitrified embryos based on timing of the first zygotic cleavage. Embryos were retrieved from superovulated ICR mice, 28 hours after hCG injection. Two-cell stage embryos were categorised as earlycleaving (EC), while zygotes with 2-pronuclei as late-cleaving (LC) embryos. Embryos were cultured overnight in M16 medium supplemented with 3% bovine serum albumin (BSA) in carbon dioxide incubator. After 20 hours, the embryos were vitrified for one hour and warmed to room temperature. They were then fixed and immunostained to visualise distribution and intensity of mitochondria, nuclear chromatin and cytoskeleton. Finally, the embryos were mounted on glass slides and examined under a Confocal Laser Scanning Microscope (CLSM). Fluorescence intensities were analysed using LAS-AF-Lite Software. Results showed that EC embryos had significantly higher mitochondria (39.22 ± 12.50 versus 35.42 ± 14.61 pixel, p<0.05) and actin filaments fluorescence intensities (11.43 ± 5.44 versus 5.23 ± 2.20 pixel) compared to LC embryos (p<0.001). There was no significant difference in nuclear chromatin and microtubules fluorescence intensities between EC and LC embryos. These findings suggest that greater cryosurvivability of vitrified EC compared to LC embryos was contributed by higher densities of mitochondria and actin filaments. Thus, selection of embryos for IVF procedure should be made based on timing of the first zygotic cleavage.
dc.language.isoen
dc.publisherUniversiti Putra Malaysia Press
dc.relation.haspartPertanika Journals
dc.relation.urihttp://www.pertanika.upm.edu.my/regular_issues.php?jtype=2&journal=JST-25-S-8
dc.rightsUKM
dc.subjectActins
dc.subjectChromatin
dc.subjectCytoskeleton
dc.subjectEarly cleavage
dc.subjectEmbryo
dc.subjectMicrotubules
dc.subjectMitochondria
dc.subjectVitrification
dc.titleEarly-cleaving embryos are better candidates for vitrification: patterns associated with mitochondria and cytoskeleton
dc.typeJournal Article
dc.format.volume25
dc.format.pages173-186
dc.format.issueSpecial Issue
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