Mysid crustaceans as potential test organisms for the evaluation of environmental endocrine disruption: a review
Verslycke, T.; Fockedey, N.; McKenney Jr., C.L.; Roast, S.D.; Jones, M.; Mees, J.; Janssen, C.R. (2003). Mysid crustaceans as potential test organisms for the evaluation of environmental endocrine disruption: a review, in: Verslycke, T. Endocrine disruption in the estuarine invertebrate Neomysis integer (Crustacea: Mysidacea) = Endocriene verstoring bij de estuariene invertebraat Neomysis integer (Crustacea: Mysidacea). pp. 13-34
In: Verslycke, T. (2003). Endocrine disruption in the estuarine invertebrate Neomysis integer (Crustacea: Mysidacea) = Endocriene verstoring bij de estuariene invertebraat Neomysis integer (Crustacea: Mysidacea). PhD Thesis. Universiteit Gent: Gent. VII, 224 pp.
Anthropogenic chemicals that disrupt the hormonal systems (endocrine disruptors) of wildlife species recently have become a widely investigated and politically charged issue. Invertebrates account for roughly 95% of all animals, yet surprisingly little effort has been made to understand their value in signaling potential environmental endocrine disruption. This omission largely can be attributed to the high diversity of invertebrates and the shortage of fundamental knowledge of their endocrine systems. Insects and crustaceans are exceptions and, as such, appear to be excellent candidates for evaluating the environmental consequences of chemically induced endocrine disruption. Mysid shrimp (Crustacea: Mysidacea) may serve as a viable surrogate for many crustaceans and have been put forward as suitable test organisms for the evaluation of endocrine disruption by several researchers and regulatory bodies (e.g., the U.S. Environmental Protection Agency). Despite the long-standing use of mysids in toxicity testing, little information exists on their endocrinology, and few studies have focused on the potential of these animals for evaluating the effects of hormone-disrupting compounds. Therefore, the question remains as to whether the current standardized mysid endpoints can be used or adapted to detect endocrine disruption, or if new procedures must be developed, specifically directed at evaluating hormone-regulated endpoints in these animals. This review summarizes the ecological importance of mysids in estuarine and marine ecosystems, their use in toxicity testing and environmental monitoring, and their endocrinology and important hormone-regulated processes to highlight their potential use in assessing environmental endocrine disruption.
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