EFFECTS OF CRYOPRESERVATION ON MOTILITY CHARACTERISTICS AND ENZYME ACTIVITY OF SPERM IN A CHINESE FISH, Nibea albiflora
文献类型: 外文期刊
第一作者: Huang, Xiaorong
作者: Huang, Xiaorong;Zhuang, Ping;Zhang, Longzhen;Zhao, Feng;Liu, Jianyi;Feng, Guangpeng;Zhang, Tao
作者机构:
关键词: Cryopreservation;Nibea albiflora;sperm motility;enzyme activity;fertilizing capacity
期刊名称:CRYOLETTERS ( 影响因子:1.066; 五年影响因子:1.0 )
ISSN: 0143-2044
年卷期: 2014 年 35 卷 4 期
页码:
收录情况: SCI
摘要: BACKGROUND: Growing evidence suggests that among the causes which deteriorate qualitative and functional characteristics of sperm after freezing and thawing, there are those linked to decrease of sperm motility and release of various enzymes in the cells and seminal plasma. OBJECTIVE: In the present study, the motility, fertilization and enzyme activity of sperm were analyzed after cryopreservation. MATERIALS AND TMETHODS: Computer-assisted sperm motility analysis (CASA) was used to evaluate the effect of cryopreservation on sperm motility of Nibea albiflora. RESULTS: The activities of total adenosine triphosphatase (ATPase), creatine kinase (CK), succinate dehydrogenase (SDH), lactate dehydrogenase (LDH), superoxide dismutase (SOD), catalase (CAT), glutathione peroxidase (GSH-Px) and glutathione reductase (GR) in fresh and frozen seminal plasma and spermatozoa were measured respectively. Cryopreservation led to a decline in the percentage of motile sperm, moreover, other parameters of sperm motion, curvilinear and straight line velocities, linearity were changed observably (p<0.05), the fertilizing capacity of post-thaw sperm was lower than that of the fresh sperm significantly. After cryopreservation, the activities of total ATPase, CK, SDH, LDH, SOD, CAT and GSH-Px increased in seminal plasma and decreased in spermatozoa respectively, but GR activity varied contrarily, GR activity dropped in seminal plasma and increased in spermatozoa. CONCLUSION: Cryopreservation had significant effects on the motility characteristics, fertilization ability and enzyme activity of the sperm of Nibea albiflora.
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