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Prevention of hatching of porcine morulae and blastocysts by liquid storage at 20 degrees C
Univ Murcia, Spain; Inst Biomed Res Murcia IMIB Arrixaca, Spain.
Univ Murcia, Spain; Inst Biomed Res Murcia IMIB Arrixaca, Spain.
Univ Murcia, Spain; Inst Biomed Res Murcia IMIB Arrixaca, Spain.
Univ Murcia, Spain; Inst Biomed Res Murcia IMIB Arrixaca, Spain.
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2019 (English)In: Scientific Reports, ISSN 2045-2322, E-ISSN 2045-2322, Vol. 9, article id 6219Article in journal (Refereed) Published
Abstract [en]

Vitrification is the ideal method for long-lasting storage of porcine embryos. However, both strict airline regulations for transport of liquid nitrogen dewars and the technical problems experienced when vitrified embryos are transferred using non-surgical procedures have led to the introduction of alternative storage methods, such as preserving embryos in liquid state. This study evaluated whether a pH-stable medium containing high concentrations of either foetal calf serum (FCS; 50%) or BSA (4%) combined with storage at temperatures of 17 degrees C or 20 degrees C maintained in vivo-derived morulae and blastocysts alive and unhatched (a sanitary requirement for embryo transportation) during 72 h of storage. Neither FCS nor BSA supplements were able to counteract the negative effect of low temperatures (17 degrees C) on embryonic survival after storage. At 20 degrees C, the protective effect of FCS or BSA depended on embryo stage. While FCS successfully arrested embryo development of only blastocysts, BSA arrested the development of both morulae and blastocysts. Over 80% of BSA arrested embryos restarted development by conventional culture and progressed to further embryonic stages, including hatching. In conclusion, porcine morulae and blastocysts can survive and remain unhatched during at least 72 h when stored at 20 degrees C in a BSA-containing medium.

Place, publisher, year, edition, pages
NATURE PUBLISHING GROUP , 2019. Vol. 9, article id 6219
National Category
Energy Engineering
Identifiers
URN: urn:nbn:se:liu:diva-157209DOI: 10.1038/s41598-019-42712-xISI: 000464988500031PubMedID: 30996298OAI: oai:DiVA.org:liu-157209DiVA, id: diva2:1324717
Note

Funding Agencies|Ministry of Economy and Competitiveness (Madrid, Spain)/the European Regional Development Fund [AGL2015-69735-R]; Seneca Foundation, Murcia, Spain [19892/GERM/15]; Research Council FORMAS, Stockholm [2017-00946]; Ministry of Economy and Competitiveness (Madrid, Spain) [BES2013-064087, BES-2013-064069, BES-2016-077869]

Available from: 2019-06-14 Created: 2019-06-14 Last updated: 2019-10-31

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