期刊
LIPIDS IN HEALTH AND DISEASE
卷 10, 期 -, 页码 -出版社
BMC
DOI: 10.1186/1476-511X-10-232
关键词
Pelagia noctiluca; Jellyfish; Venom; Cytotoxicity; Oxidative stress; DNA fragmentation
资金
- Ministere Tunisien de l'Enseignement Superieur, de la Recherche Scientifique et de la Technologie through Laboratoire de Recherche sur les Substances Biologiquement Compatibles
Background: The long-lasting and abundant blooming of Pelagia noctiluca in Tunisian coastal waters compromises both touristic and fishing activities and causes substantial economic losses. Determining their molecular mode of action is, important in order to limit or prevent the subsequent damages. Thus, the aim of the present study was to investigate the propensity of Pelagia noctiluca venom to cause oxidative damage in HCT 116 cells and its associated genotoxic effects. Results: Our results indicated an overproduction of ROS, an induction of catalase activity and an increase of MDA generation. We looked for DNA fragmentation by means of the comet assay. Results indicated that venom of Pelagia noctiluca induced DNA fragmentation. SDS-PAGE analysis of Pelagia noctiluca venom revealed at least 15 protein bands of molecular weights ranging from 4 to 120 kDa. Conclusion: Oxidative damage may be an initiating event and contributes, in part, to the mechanism of toxicity of Pelagia noctiluca venom.
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