Search Results - "MACLATCHY, D. L"

Effects of water-borne 4-nonylphenol and 17β-estradiol exposures during parr-smolt transformation on growth and plasma IGF-I of Atlantic salmon ( Salmo salar L.) by Arsenault, J.T.M, Fairchild, W.L, MacLatchy, D.L, Burridge, L, Haya, K, Brown, S.B

“…4-Nonylphenol (4-NP) is an endocrine disrupting substance (EDS) capable of mimicking the action of 17β-estradiol (E 2). It has been hypothesized that 4-NP in a…”
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Effects of metal mining effluent on Atlantic salmon ( Salmo salar) and slimy sculpin ( Cottus cognatus): using artificial streams to assess existing effects and predict future consequences by Dubé, M.G., MacLatchy, D.L., Kieffer, J.D., Glozier, N.E., Culp, J.M., Cash, K.J.

“…In the summer of 2000, the effects of metal mine discharge on fish growth and exercise performance were assessed at a Zn–Pb–Cu mine in New Brunswick, Canada…”
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Assessment of the potential of the rock gunnel (Pholis gunnellus) along the Atlantic coast of Canada as a species for monitoring the reproductive impacts of contaminant exposures by VALLIS, L, MACLATCHY, D. L, MUNKITTRICK, K. R

“…Evaluating the impacts of point source discharges on fish species in estuarine environments can be challenging because of a paucity of resident species. We…”
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The Phytoestrogen β-Sitosterol Alters the Reproductive Endocrine Status of Goldfish by Maclatchy, D.L., Vanderkraak, G.J.

“…There is growing awareness that chemicals in the environment may function as hormone mimics and affect endocrine function in wildlife. In this study, the…”
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Identification and treatment of a waste stream at a bleached-kraft pulp mill that depresses a sex steroid in the mummichog (Fundulus heteroclitus) by Dubé, Monique G., MacLatchy, Deborah L.

“…Changes to indicators of reproductive performance have been documented in fish exposed to some bleached kraft pulp mill effluents (BKPMEs). However, responses…”
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The effects of 17-α-ethinylestradiol (EE2) on molecular signaling cascades in mummichog (Fundulus heteroclitus) by Doyle, M.A., Bosker, T., Martyniuk, C.J., MacLatchy, D.L., Munkittrick, K.R.

“…•Mummichog (Fundulus heteroclitus) were exposed to 17-α-ethinylestradiol (EE2).•Ovarian stage and plasma estrogen were not affected by EE2 but T was…”
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Morphological abnormalities during early-life development of the estuarine mummichog, Fundulus heteroclitus, as an indicator of androgenic and anti-androgenic endocrine disruption by Boudreau, Monica, Courtenay, Simon C., MacLatchy, Deborah L., Bérubé, Céline H., Hewitt, L. Mark, Van Der Kraak, Glen J.

“…We tested the hypothesis that gross morphological abnormalities are a sensitive indicator of exposure to waterborne androgenic and anti-androgenic compounds…”
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An interlaboratory study on the use of steroid hormones in examining endocrine disruption by McMaster, Mark E., Jardine, Janet J., Ankley, Gerald T., Benson, William H., Greeley Jr, Mark S., Gross, Timothy S., Guillette Jr, Louis J., MacLatchy, Deborah L., Orlando, Edward F., Van Der Kraak, Glen J., Munkittrick, Kelly R.

“…In recent years, there has been an increased use of the measurement of sex steroid hormone levels in the blood of animals exposed to chemicals as an indicator…”
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Properties of T4 5'-deiodinating systems in various tissues of the rainbow trout, Oncorhynchus mykiss by MacLatchy, D L, Eales, J G

“…L-Thyroxine (T4) 5'-monodeiodinase (5'D) activity was examined in the microsomal fractions of liver, kidney, gill, white skeletal muscle, and red blood cells…”
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Effects of cortisol on aspects of 3,5,3'-triiodo-L-thyronine metabolism in rainbow trout (Oncorhynchus mykiss) by Brown, S B, MacLatchy, D L, Hara, T J, Eales, J G

“…Aspects of 3,5,3'-triiodo-L-thyronine (T3) metabolism were studied in fed rainbow trout (Oncorhynchus mykiss) held at 11.5-14 degrees and intraperitoneally…”
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Development of a short-term reproductive endocrine bioassay using steroid hormone and vitellogenin end points in the estuarine mummichog (Fundulus heteroclitus) by MacLatchy, Deborah L., Courtenay, Simon C., Rice, Charles D., Van Der Kraak, Glen J.

“…We have developed a short‐term gonadal recrudescence test with the estuarine mummichog (Fundulus heteroclitus) and determined endocrine end points sensitive to…”
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Effects of a model androgen (methyl testosterone) and a model anti-androgen (cyproterone acetate) on reproductive endocrine endpoints in a short-term adult mummichog ( Fundulus heteroclitus) bioassay by Sharpe, Rainie L, MacLatchy, Deborah L, Courtenay, Simon C, Van Der Kraak, Glen J

“…A short-term gonadal recrudescence bioassay using the mummichog ( Fundulus heteroclitus) was employed to examine the consequences of environmentally relevant…”
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In vivo implants of β-sitosterol cause reductions of reactive cholesterol pools in mitochondria isolated from gonads of male goldfish ( Carassius auratus) by Leusch, Frédéric D.L., MacLatchy, Deborah L.

“…β-Sitosterol, a phytosterol found in high concentrations in pulp mill effluents, has been proposed as one of the causative agents for steroid depressions…”
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Influence of dietary lipid and carbohydrate levels and chronic 3,5,3'-triiodo-L-thyronine treatment on thyroid function in immature rainbow trout, Oncorhynchus mykiss by Eales, J G, Higgs, D A, Uin, L M, MacLatchy, D L, Bres, O, McBride, J R, Dosanjh, B S

“…The influence of varying dietary levels of nonprotein energy sources (lipid, L; carbohydrate, C) and 3,5,3'-triiodo-L-thyronine (T3) on thyroid function in…”
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Effects of a phytosterol mixture on male fish plasma lipoprotein fractions and testis P450scc activity by Gilman, Christine I., Leusch, Frederic D.L., Carl Breckenridge, W., MacLatchy, Deborah L.

“…Plant sterols (phytosterols) have been identified as one potential source of reproductive effects in fish living downstream of pulp mills. β-Sitosterol, the…”
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Endocrine responses of Fundulus heteroclitus to effluent from a bleached-kraft pulp mill before and after installation of reverse osmosis treatment of a waste stream by Dubé, Monique G., MacLatchy, Deborah L.

“…Implementation of process changes on the nonbleaching side of bleached kraft pulp mill (BKPM) operations has increased in recent years to maximize resource use…”
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Rapid carbon turnover during growth of Atlantic salmon (Salmo salar) smolts in sea water, and evidence for reduced food consumption by growth-stunts by JARDINE, Timothy D, MACLATCHY, Deborah L, FAIRCHILD, Wayne L, CUNJAK, Richard A, BROWN, Scott B

“…Wild Atlantic salmon smolts were captured during spring out-migration in the Northwest Miramichi River, New Brunswick, Canada, and placed on an isotopically…”
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Thyroid hormone deiodinase systems in salmonids, and their involvement in the regulation of thyroidal status by Eales, J G, Maclatchy, D L, Sweeting, R M

“…The trout thyroid secretes L-thyroxine (T4) which undergoes enzymatic deiodination in liver and other tissues. Based on mammalian studies, T4 outer-ring…”
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Utility of morphological abnormalities during early-life development of the estuarine mummichog, Fundulus heteroclitus, as an indicator of estrogenic and antiestrogenic endocrine disruption by Boudreau, Monica, Courtenay, Simon C, Maclatchy, Deborah L., Bérubé, Céline H., Parrott, Joanne L., van der Kraak, Glen J.

“…To evaluate the use of morphological abnormalities for standard testing of endocrine‐disrupting substances (EDS), we tested the hypothesis that developmental…”
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Short-term treatment with testosterone increases plasma 3,5,3'-triiodo-L-thyronine and hepatic L-thyroxine 5'-monodeiodinase levels in arctic charr, Salvelinus alpinus by MacLatchy, D L, Eales, J G

“…Testosterone (T), methyl testosterone (MT), and testosterone propionate (TP) (0.5 mg/100 g body wt in 40 microliter peanut oil) or peanut oil alone were…”
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