Rabbit and pig ear skin sample cryobanking: Effects of storage time and temperature of the whole ear extirpated immediately after death

M. A. Silvestre, A. M. Saeed, R. P. Cervera, M. J. Escribá, F. Garcı�?a-Ximénez

Research output: Contribution to journalArticlepeer-review

33 Scopus citations

Abstract

The post-mortem temporal and thermal limits within which there will be ample guarantees of rescuing living skin cells from dead specimens of two species, rabbit and pig, were studied. Post-mortem extirpated whole ears were stored (in non-aseptic conditions) either at 4°C or at room temperature (from 22 to 25°C) or at 35°C for different time lapses after animal death. In both species, the post-mortem maximum time lapses where cell viability was not significantly reduced were 240, 72, and 24 h post-mortem (hpm) for 4, 22-25 and 35°C, respectively. Once the post-mortem temporal limits for each tested thermal level at which cells from skin samples are able to grow in culture were defined, the survival ability of skin samples submitted to these temporal limits and cryopreserved were tested. In the pig, skin samples stored at the three tested thermal levels survived after vitrification-warming, reaching confluence in culture. In rabbit, only tissue samples from ears stored at 35°C for 24 hpm did not survive after vitrification-warming. In conclusion, we should remark that cell survival rates obtained according to the assayed post-mortem time lapses and thermal levels are sufficient to collect and to cryopreserve skin samples from the majority of dead specimens.

Original languageEnglish (US)
Pages (from-to)1469-1477
Number of pages9
JournalTheriogenology
Volume59
Issue number5-6
DOIs
StatePublished - Mar 2003
Externally publishedYes

Keywords

  • Gene preservation
  • Post-mortem recovery
  • Skin cryobanking
  • Somatic cloning

ASJC Scopus subject areas

  • Small Animals
  • Food Animals
  • Animal Science and Zoology
  • Equine

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