Research Topics
| G A LeBlancSummaryAffiliation: North Carolina State University Country: USA Publications
| Collaborators
|
Detail Information
Publications
Changes in the metabolic elimination profile of testosterone following exposure of the crustacean Daphnia magna to tributyltinG A LeBlanc
Department of Toxicology, North Carolina State University, Raleigh, North Carolina 27695 7633, USA
Ecotoxicol Environ Saf 45:296-303. 2000....
Embryotoxicity of the alkylphenol degradation product 4-nonylphenol to the crustacean Daphnia magnaG A LeBlanc
Department of Toxicology, North Carolina State University, Raleigh, North Carolina 27695 7633, USA
Environ Health Perspect 108:1133-8. 2000..However, these effects do occur at sufficiently low levels to warrant evaluation of the relative susceptibility of other crustacean species to this previously uncharacterized mode of toxicity...
Crustacean endocrine toxicology: a reviewGerald A LeBlanc
Department of Environmental and Molecular Toxicology, North Carolina State University, Raleigh, NC 27695 7633, USA
Ecotoxicology 16:61-81. 2007..e., temperature, parasitism) also can elicit these effects and definitive causal relationships between endocrine disruption in field populations of crustaceans and chemical pollution is generally lacking...
Chronic toxicity of environmental contaminants: sentinels and biomarkersG A LeBlanc
Department of Toxicology, North Carolina State University, Raleigh, USA
Environ Health Perspect 105:65-80. 1997..The incorporation of appropriate surrogate species and biomarkers of chronic toxicity into standard toxicity characterizations is proposed as a means of significantly refining the ecological hazard assessment process...
Biotransformation and disposition of testosterone in the eastern mud snail Ilyanassa obsoletaM P Gooding
Department of Environmental and Molecular Toxicology, North Carolina State University, North Carolina, 27695-7633, USA
Gen Comp Endocrinol 122:172-80. 2001..The esterification of testosterone to fatty acids might be a mechanism where by steroid titers are regulated and could represent a target of TBT toxicity...
The fungicide propiconazole interferes with embryonic development of the crustacean Daphnia magnaK Kast-Hutcheson
Department of Toxicology, North Carolina State University, Raleigh 27695-7633, USA
Environ Toxicol Chem 20:502-9. 2001..These results indicate that propiconazole interferes with the later stages of daphnid embryonic development, and that this toxicity is manifested largely via maternal exposure to the fungicide...
Temporal and quantitative changes in sexual reproductive cycling of the cladoceran Daphnia magna by a juvenile hormone analogA W Olmstead
Department of Environmental and Molecular Toxicology, North Carolina State University, Raleigh, NC 27695-7633, USA
J Exp Zool 290:148-55. 2001..J. Exp. Zool. 290:148-155, 2001...
Kinetic characterization of the inhibition of acyl coenzyme A: steroid acyltransferases by tributyltin in the eastern mud snail (Ilyanassa obsoleta)Robin M Sternberg
Department of Environmental and Molecular Toxicology, North Carolina State University, Campus Box 7633, Raleigh, NC 27695, United States
Aquat Toxicol 78:233-42. 2006....
Covert signal disruption: anti-ecdysteroidal activity of bisphenol A involves cross talk between signaling pathwaysXueyan Mu
Department of Environmental and Molecular Toxicology, North Carolina State University, Raleigh, North Carolina 27695-7633, USA
Environ Toxicol Chem 24:146-52. 2005..However, effects are elicited at levels that are not likely to pose environmental concern...
Developmental toxicity of testosterone in the crustacean Daphnia magna involves anti-ecdysteroidal activityXueyan Mu
Department of Environmental and Molecular Toxicology, North Carolina State University, Raleigh, NC 27695-7633 USA
Gen Comp Endocrinol 129:127-33. 2002..testosterone elicits embryo toxicity to daphnids by interfering with ecdysteroid activity, and (3). ecdysteroid receptor antagonism could be one mechanism by which testosterone elicits these effects...
Expression and ecdysteroid responsiveness of the nuclear receptors HR3 and E75 in the crustacean Daphnia magnaBethany R Hannas
Department of Environmental and Molecular Toxicology, North Carolina State University, Raleigh, NC 27695 7633, USA
Mol Cell Endocrinol 315:208-18. 2010..The marginal induction of E75 by 20-hydroxyecdysone may represent limited, tissue or cell-type-specific induction of this transcription factor...
An ecological assessment of bisphenol-A: evidence from comparative biologyD Andrew Crain
Department of Biology, Maryville College, 502 E Lamar Alexander Parkway, Maryville, TN 37804 5907, USA
Reprod Toxicol 24:225-39. 2007..Further studies should examine the most vulnerable vertebrate and invertebrate species...
