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Free Content Cryopreservation of Goldfish Caudal Fin Explants using Glycerol as a Cryoprotecant

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The objective of this study was to investigate the effect of glycerol on the cryopreservation fin explants of goldfish, Carassius auratus. Four different concentrations, 5, 10, 15, and 20% (v/v) of glycerol and a control were tested. These were prepared in Dulbecco's modified Eagle's medium with 20% (v/v) Fetal Bovine Serum. Attachment and outgrowing rates were monitored from day 3 to day 14. Results showed that fin explants cryopreserved in 20% concentration of glycerol was significantly higher (P<0.05) with a 100% attachment rate compared to 5, 10, and 15% concentrations with 36.67, 84.19 and 86.51% attachment rate, respectively. Fin explants cryopreserved in 20% glycerol concentration also had significantly higher (P<0.05) outgrowth of cells (72.50%) than the other three concentrations on day 3. Moreover, a 100% outgrowth of cells in all concentrations was achieved after 14 days of culture. No attachment and out growth of cells were observed in control group. Goldfish caudal fin explants cryopreserved in glycerol can produce live cells efficiently, regardless of concentration.

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Keywords: CAUDAL FIN; CRYOPRESERVATION; FISH EXPLANTS; GLYCEROL; GOLDFISH

Document Type: Research Article

Publication date: January 1, 2011

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  • CryoLetters is a bimonthly international journal for low temperature sciences, including cryobiology, cryopreservation or vitrification of cells and tissues, chemical and physical aspects of freezing and drying, and studies involving ecology of cold environments, and cold adaptation

    The journal publishes original research reports, authoritative reviews, technical developments and commissioned book reviews of studies of the effects produced by low temperatures on a wide variety of scientific and technical processes, or those involving low temperature techniques in the investigation of physical, chemical, biological and ecological problems.

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