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Ultrastructural examination of cryodamage in Paracentrotus lividus eggs during cryopreservation

Campos, S ; Troncoso, J ; Paredes, E

Scientific reports, 2024-04, Vol.14 (1), p.8691-8691 [Periódico revisado por pares]

England: Nature Publishing Group

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  • Título:
    Ultrastructural examination of cryodamage in Paracentrotus lividus eggs during cryopreservation
  • Autor: Campos, S ; Troncoso, J ; Paredes, E
  • Assuntos: Animals ; Cell Membrane Permeability ; Cryopreservation ; Cryopreservation - methods ; Cryoprotectants ; Cryoprotective Agents - pharmacology ; Eggs ; Electron microscopy ; Marine invertebrates ; Membrane permeability ; Paracentrotus ; Paracentrotus lividus ; Permeability ; Transmission electron microscopy
  • É parte de: Scientific reports, 2024-04, Vol.14 (1), p.8691-8691
  • Notas: ObjectType-Article-1
    SourceType-Scholarly Journals-1
    ObjectType-Feature-2
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  • Descrição: This study examinates the challenges of cryopreserving sea urchin (Paracentrotus lividus) eggs, a task hindered by factors like low membrane permeability and high sensitivity to cryoprotective agents (CPAs). While successful cryopreservation has been achieved for some marine invertebrates, eggs remain problematic due to their unique characteristics. The study explores the impact of various CPAs and cryopreservation techniques on sea urchin eggs, employing scanning and transmission electron microscopy to analyze cellular damage. The findings reveal that exposure to low CPA concentrations (0.5 M) did not induce significant damage to eggs. However, high concentrations (3 M) proved highly detrimental. Every cryopreservation approach investigated in this study resulted in irreversible damage to the sea urchin eggs, rendering them nonviable for future use. The research sheds light on the importance of understanding the structural alterations induced by CPAs and cryopreservation methods. This knowledge is essential for refining cryopreservation methods, potentially paving the way for successful preservation of these challenging cells.
  • Editor: England: Nature Publishing Group
  • Idioma: Inglês
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