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Browsing by Author "Rozenfeld, Christoffer"

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Browsing by Author "Rozenfeld, Christoffer"

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    Cold seawater induces early maturational stages in the BPG axis of European eel males 
    Rozenfeld, Christoffer; García-Carpintero-Burgos, Víctor; Pérez Igualada, Luz María; Gallego Albiach, Victor; Herranz-Jusdado, Juan Germán; Tveiten, Helge; Johnsen, Helge K.; Fontaine, Romain; Weltzien, F.A.; Cañizares Sales, Joaquín; Asturiano, Juan F.; Peñaranda, D.S. (Springer (Biomed Central Ltd.), 2019-07-22)
    [EN] BackgroundThe impossibility of closing the life cycle of the European eel (Anguilla anguilla) in captivity troubles the future of this critically endangered species. In addition, the European eel is a highly valued ...
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    Comparison of European eel sperm cryopreservation protocols with standardization as a target 
    Herranz-Jusdado, Juan Germán; Gallego Albiach, Victor; MORINI, MARINA; Rozenfeld, Christoffer; Pérez Igualada, Luz María; Kása, E.; Kollár, T.; Depincé, A.; Labbé, C.; Horváth, Á.; Asturiano Nemesio, Juan Francisco (Elsevier, 2019)
    [EN] The critical situation of the European eel (Anguilla anguilla) has urged the development of sperm cryopreservation protocols for reproduction in captivity and cryobanking. In the last years, two research groups have ...
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    De novo European eel transcriptome provides insights into the evolutionary history of duplicated genes in teleost lineages 
    Rozenfeld, Christoffer; Blanca Postigo, José Miguel; Gallego Albiach, Victor; García-Carpintero, Víctor; Herranz-Jusdado, Juan Germán; Pérez Igualada, Luz María; Asturiano, Juan F.; Cañizares Sales, Joaquín; Peñaranda, D.S. (Public Library of Science, 2019-06-12)
    [EN] Paralogues pairs are more frequently observed in eels (Anguilla sp.) than in other teleosts. The paralogues often show low phylogenetic distances; however, they have been assigned to the third round of whole genome ...
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    Development of innovative methods for induction of European eel (Anguilla anguilla) spermatogenesis 
    Rozenfeld, Christoffer (Universitat Politècnica de València, 2019-09-02)
    [ES] Resumen Como pez de gran valor económico, procedente de una de las líneas de teleósteos más antiguas, con un ciclo de vida misterioso, un potencial de acuicultura excepcional, y con importancia cultural y actividades ...
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    Eel sperm cryopreservation: an overview 
    Herranz-Jusdado, Juan Germán; Gallego Albiach, Victor; Morini, Marina; Rozenfeld, Christoffer; Pérez Igualada, Luz María; Müller, T.; Horváth, Ákos; Ohta, H.; Asturiano Nemesio, Juan Francisco (Elsevier, 2019)
    [EN] The eels are teleost fishes from the order Anguilliformes that includes several species with high commercial value. Due to the high interest for aquaculture production of some eel species and for the need to restore ...
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    European eel sperm storage: optimization of short-term protocols and cryopreservation of large volumes 
    Herranz-Jusdado, Juan Germán; Gallego Albiach, Victor; Rozenfeld, Christoffer; MORINI, MARINA; Pérez Igualada, Luz María; Asturiano Nemesio, Juan Francisco (Elsevier, 2019)
    [EN] Maturation in captivity of European eel (Anguilla anguilla) requires long and costly hormonal treatments that often lead to asynchronic maturation between sexes. Therefore, optimization of sperm short-term storage ...
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    Handling and treatment of male European eels (Anguilla anguilla) for hormonal maturation and sperm cryopreservation 
    Herranz-Jusdado, Juan Germán; Kása, É; Kollár, Timea; Gallego Albiach, Victor; Peñaranda, D.S.; Rozenfeld, Christoffer; Pérez Igualada, Luz María; Horváth, Ákos; Asturiano Nemesio, Juan Francisco (Journal of Visualized Experiments, 2018)
    [EN] During the last years, several research groups have been working on the development and improvement of new protocols for the European eel handling and maturation. As of yet, weekly injections of human chorionic ...
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    Recombinant vs purified mammal gonadotropins as maturation hormonal treatments of European eel males 
    Herranz-Jusdado, Juan Germán; Rozenfeld, Christoffer; MORINI, MARINA; Pérez Igualada, Luz María; Asturiano Nemesio, Juan Francisco; Gallego Albiach, Victor (Elsevier, 2019)
    [EN] In the past three decades the European eel Anguilla anguilla experienced up to 99% decline in recruitment in some parts of its distribution range, thus breeding in captivity is nowadays considered key in order to save ...
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    Subjective and objective assessment of fish sperm motility: when the technique and technicians matter 
    Gallego Albiach, Victor; Herranz-Jusdado, Juan Germán; Rozenfeld, Christoffer; Pérez Igualada, Luz María; Asturiano Nemesio, Juan Francisco (Springer-Verlag, 2018)
    [EN] Fish sperm motility is nowadays considered the best sperm quality biomarker in fish, and can be evaluated both by subjective and computerized methods. With the aim to compare the precision and accuracy of both ...
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    Using specific recombinant gonadotropins to induce spermatogenesis and spermiation in the European eel (Anguilla anguilla) 
    Peñaranda, D.S.; Gallego Albiach, Victor; Rozenfeld, Christoffer; Herranz-Jusdado, Juan Germán; Pérez Igualada, Luz María; Gómez, A.; Giménez, I.; Asturiano Nemesio, Juan Francisco (Elsevier, 2018)
    [EN] New specific European eel (Anguilla anguilla) recombinant gonadotropins (aarGths) produced in the ovarian cells of Chinese hamsters (CHO) were used to induce maturation in captive male eels. In the first experiment, ...