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The Mouse Embryo Cryopreservation Facitlity of CNB offers to the researchers the possibility of cryopreserving their transgenic and mutant mouse lines as frozen embryos and/or sperm. We also offer thawing of mouse sperm and/or embryos previously frozen and the associated revitalisation of the cryopreserved mouse line. The cryopreservation of mouse lines is a higly recommended procedure to keep animal models used in biology, biomedicine and biotecnology laboratories for long periods of time, safely and stably, without the need to maintain the lines alive and with the corresponding saving of space, money and the optimization in the use of experimental animals, complying with the current legislation on animal welfare.
The National Centre of Biotechnology (CNB-CSIC) hosts the Spanish node of the European project EMMA (European Mouse Mutant Archive) now governed through the European Infrastructure INFRAFRONTIER whose objective is the cryopreservation, organized archiving and coordinated distribution of mouse lines of interest for the biomedical scientific community. The EMMA-INFRAFRONTIER project, funded partially by the European Commission (H2020) allows free cryopreservation of mouse lines, and the researcher only must cover the shipment expenses of animals to the CNB.
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