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Effects of antifreeze proteins on the vitrification of mouse oocytes: comparison of three different antifreeze proteins

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dc.contributor.authorLee, Hyang Heun-
dc.contributor.authorLee, Hee Jun-
dc.contributor.authorKim, Hak Jun-
dc.contributor.authorLee, Jun Hyuck-
dc.contributor.authorKo, Yong-
dc.contributor.authorKim, Sun Mie-
dc.contributor.authorLee, Jung Ryeol-
dc.contributor.authorSuh, Chang Suk-
dc.contributor.authorKim, Seok Hyun-
dc.date.accessioned2021-09-04T13:20:06Z-
dc.date.available2021-09-04T13:20:06Z-
dc.date.created2021-06-18-
dc.date.issued2015-09-
dc.identifier.issn0268-1161-
dc.identifier.urihttps://scholar.korea.ac.kr/handle/2021.sw.korea/92719-
dc.description.abstractCan antifreeze proteins (AFPs) from three different sources improve the efficacy of mouse oocyte vitrification? Treatment with AFPs can improve both murine oocyte quality and embryo development, and reduce reactive oxygen species (ROS) production in vitrified-warmed oocytes. A previous study discovered that vitrification of immature oocytes and 2-cell stage embryos of mice augmented with antifreeze glycoproteins at 40 mg/ml dramatically improved the morphological integrity of the samples, suggesting that AFPs have the ability to inhibit ice formation and stabilize the plasma membrane. Metaphase II oocytes were obtained from 4-week-old BD-F1 mice. AFPs from bacteria (Flavobacterium frigoris ice-binding protein (FfIBP)), yeast (Glaciozyma sp. ice-binding protein (LeIBP)) and fish (Type III AFP) were added to the vitrification and warming solutions individually. Survival and development, meiotic spindle organization, intracellular ROS, mitochondrial activity, DNA double-strand breaks (DSBs) and repair of damaged DNA were analyzed. Vitrification of oocytes was performed with the CryoTop (equilibration solution: 7.5% ethylene glycol (EG) and 7.5% 1,2-propandiol (PROH) for 5 min; vitrification solution: 15% EG, 15% PROH and 0.5 M sucrose for 1 min). Warming was performed in three steps with decreasing concentrations of sucrose (1.0, 0.5 and 0.25 M sucrose). AFP treatment can improve murine oocyte quality and embryo development. Survival rates, cleavage rates and blastocyst rates (blastocyst per cleaved and per survived oocytes) of oocytes in AFP-treated groups were significantly higher than those in the control group [75.0, 89.0, 90.0 and 85.0% for survival rate (P = 0.012); 58.7, 89.0, 87.8 and 81.2% for cleavage rate (P = 0.003); 52.3, 87.7, 78.5 and 76.8% for blastocyst per cleaved oocytes (P < 0.01); 30.7, 78.0, 68.9 and 62.4% for blastocyst per survived oocytes (P < 0.01) in control, FfIBP, LeIBP and Type III AFP-treated groups, respectively]. The mean (+/- SD) number of apoptotic blastomeres per blastocyst was significantly lower in AFP-treated groups than in the control group (9.1 +/- 1.0, 2.0 +/- 1.7, 2.3 +/- 1.2 and 2.7 +/- 2.4 in control, FfIBP, LeIBP and Type III AFP-treated groups, respectively, P = 0.040). FfIBP treatment was the most effective in maintaining normal meiotic spindle organization and chromosome alignment (52.0, 92.0, 80.0 and 83.0% in control, FfIBP, LeIBP and Type III AFP-treated groups, respectively, P < 0.01). Intracellular ROS levels (mean +/- SD) significantly decreased in the AFP-treated groups (17.0 +/- 11.2, 8.4 +/- 8.2, 10.3 +/- 6.4 and 11.6 +/- 12.3 in control, FfIBP, LeIBP and Type III AFP-treated groups, respectively, P < 0.01), and the FfIBP and LeIBP groups had significantly lower DNA DSBs, compared with controls (65.2, 30.8, 44.4 and 55.8% in control, FfIBP, LeIBP and Type III AFP-treated groups, respectively, P < 0.01). The origins of FfIBP and LeIBP were bacteria and yeast, respectively. Therefore, treatment of human oocytes and embryos with these AFPs should be tested before clinical application. After further research, AFPs can potentially be applied to human oocyte cryopreservation to improve the efficacy of vitrification.-
dc.languageEnglish-
dc.language.isoen-
dc.publisherOXFORD UNIV PRESS-
dc.subjectICE-BINDING PROTEIN-
dc.subjectSTRAND BREAK REPAIR-
dc.subjectDNA-DAMAGE RESPONSE-
dc.subjectMEIOTIC SPINDLE-
dc.subjectSPERM DNA-
dc.subjectCRYOPRESERVATION-
dc.subjectMECHANISMS-
dc.subjectEMBRYOS-
dc.subjectORGANIZATION-
dc.subjectCRYSTALLIZATION-
dc.titleEffects of antifreeze proteins on the vitrification of mouse oocytes: comparison of three different antifreeze proteins-
dc.typeArticle-
dc.contributor.affiliatedAuthorKo, Yong-
dc.identifier.doi10.1093/humrep/dev170-
dc.identifier.scopusid2-s2.0-84940756656-
dc.identifier.wosid000361217300017-
dc.identifier.bibliographicCitationHUMAN REPRODUCTION, v.30, no.9, pp.2110 - 2119-
dc.relation.isPartOfHUMAN REPRODUCTION-
dc.citation.titleHUMAN REPRODUCTION-
dc.citation.volume30-
dc.citation.number9-
dc.citation.startPage2110-
dc.citation.endPage2119-
dc.type.rimsART-
dc.type.docTypeArticle-
dc.description.journalClass1-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
dc.relation.journalResearchAreaObstetrics & Gynecology-
dc.relation.journalResearchAreaReproductive Biology-
dc.relation.journalWebOfScienceCategoryObstetrics & Gynecology-
dc.relation.journalWebOfScienceCategoryReproductive Biology-
dc.subject.keywordPlusICE-BINDING PROTEIN-
dc.subject.keywordPlusSTRAND BREAK REPAIR-
dc.subject.keywordPlusDNA-DAMAGE RESPONSE-
dc.subject.keywordPlusMEIOTIC SPINDLE-
dc.subject.keywordPlusSPERM DNA-
dc.subject.keywordPlusCRYOPRESERVATION-
dc.subject.keywordPlusMECHANISMS-
dc.subject.keywordPlusEMBRYOS-
dc.subject.keywordPlusORGANIZATION-
dc.subject.keywordPlusCRYSTALLIZATION-
dc.subject.keywordAuthorcryopreservation-
dc.subject.keywordAuthorvitrification-
dc.subject.keywordAuthoroocyte-
dc.subject.keywordAuthorantifreeze protein-
dc.subject.keywordAuthorfertility preservation-
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