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Current status of sperm cryopreservation in biomedical research fish models: Zebrafish, medaka, and Xiphophorus
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DOI：10.1016/j.cbpc.2008.07.005.png)
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Abstract
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Aquarium fishes are becoming increasingly important because of their value in biomedical research and the ornamental fish trade, and because many have become threatened or endangered in the wild. This review summarizes the current status of sperm cryopreservation in three fishes widely used in biomedical research: zebrafish, medaka, and live-bearing fishes of the genus Xiphophorus, and will focus on the needs and opportunities for future research and application of cryopreservation in aquarium fish. Firsts we summarize the basic biological characteristics regarding natural habitat testis structure, spermatogenesis, sperm morphology, and sperm physiology. Second, we compare protocol development of sperm cryopreservation. Third, we emphasize the importance of artificial fertilization in sperm cryopreservation to evaluate the viability of thawed sperm. We conclude with a look to future research directions for sperm cryopreservation and the application of this technique in aquarium species. (C) 2008 Elsevier Inc. All rights reserved.
Keywords:
Sperm cryopreservation
Fish models
Zebrafish
Medaka
Xiphophorus
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