Plasma vitellogenin, 17β-estradiol, T3 and T4 levels in sexually maturing rainbow trout Oncorhynchus mykiss following sublethal HCN exposure

The results suggest that both reproductive and metabolic hormone mechanisms show a rapid response to low levels of cyanide and suggest that a better understanding of interactions between these two hormone mechanisms during toxic stress should be developed

Sylvia M. Ruby; David R. Idler; Ying Peng So

2002

Scholarcy highlights

  • Short-term exposure of sexually maturing female rainbow trout Oncorhynchus mykiss to low levels of cyanide showed significant declines in plasma levels of both reproductive and metabolic hormones
  • Significant reduction occurred in E2 from 4.6 ± 0.51 to 2.00 ± 0.45 ng ml−1 and in T3 from 2.98 ± 0.41 to 0.9 ± 0.16 ng ml−1 following a 12-day exposure
  • The results suggest that both reproductive and metabolic hormone mechanisms show a rapid response to low levels of cyanide and suggest that a better understanding of interactions between these two hormone mechanisms during toxic stress should be developed

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