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Quoted phrase not found in phrase index: "steoroids"
Page 1
The activities of 2,2',5,5'-tetrachlorobiphenyl, its 3,4-oxide metabolite, and 2,2',4,4'-tetrachlorobiphenyl in tumor induction and promotion assays.
Preston BD, Miller EC, Miller JA. Preston BD, et al. Carcinogenesis. 1985 Mar;6(3):451-3. doi: 10.1093/carcin/6.3.451. Carcinogenesis. 1985. PMID: 2858273
Injections of the 3,4-oxide into preweanling A/J mice caused considerable mortality, whereas the parent hydrocarbon did not. Both 2,2',5,5'- and 2,2',4,4'-tetrachlorobiphenyl showed promoting activity for hepatic gamma-glutamyl transpeptidase-po …
Injections of the 3,4-oxide into preweanling A/J mice caused considerable mortality, whereas the parent hydrocarbon did not. Both 2,2',5,5'- …
Influence of a combination of two tetrachlorobiphenyl congeners (PCB 47; PCB 77) on thyroid status, choline acetyltransferase (ChAT) activity, and short- and long-term memory in 30-day-old Sprague-Dawley rats.
Donahue DA, Dougherty EJ, Meserve LA. Donahue DA, et al. Toxicology. 2004 Oct 15;203(1-3):99-107. doi: 10.1016/j.tox.2004.06.011. Toxicology. 2004. PMID: 15363586
Placental and lactational PCB exposure of offspring causes metabolic and endocrine disruptions including hypothyroxinemia, spatial learning and memory deficits, neurochemical and neurobehavioral alterations, and reproductive problems. Previous studies in our lab usi …
Placental and lactational PCB exposure of offspring causes metabolic and endocrine disruptions including hypothyroxinemia, spatial le …
Non-dioxin-like polychlorinated biphenyls induce a release of arachidonic acid in liver epithelial cells: a partial role of cytosolic phospholipase A(2) and extracellular signal-regulated kinases 1/2 signalling.
Umannová L, Neca J, Andrysík Z, Vondrácek J, Upham BL, Trosko JE, Hofmanová J, Kozubík A, Machala M. Umannová L, et al. Toxicology. 2008 May 2;247(1):55-60. doi: 10.1016/j.tox.2008.02.002. Epub 2008 Feb 15. Toxicology. 2008. PMID: 18367304 Free PMC article.
Non-dioxin-like polychlorinated biphenyls (NDL-PCBs) have been shown to act as tumor promoters in liver; however, the exact mechanisms of their action are still only partially understood. ...We found that both 2,2',4,4'-tetrachlorobiphenyl …
Non-dioxin-like polychlorinated biphenyls (NDL-PCBs) have been shown to act as tumor promoters in liver; however, the exact mechanism …
Morphometric changes in the prepubertal female rat thyroid gland following acute exposure to 2,2',4,4'-tetrachlorobiphenyl and Aroclor 1242.
Saeed A, Hansen LG. Saeed A, et al. J Toxicol Environ Health. 1997 Aug 8;51(5):503-13. doi: 10.1080/00984109708984040. J Toxicol Environ Health. 1997. PMID: 9233383
Weanling female Sprague-Dawley rats were given either 2 or 5 consecutive daily doses of 30 mg/kg 2,2',4,4'-tetrachlorobiphenyl (CB 47) or a total dose of 120 mg/kg Aroclor 1242 divided into 2, 3, or 5 daily doses by intraperitoneal injection. On …
Weanling female Sprague-Dawley rats were given either 2 or 5 consecutive daily doses of 30 mg/kg 2,2',4,4'-te …
Stimulatory effects of a microbially dechlorinated polychlorinated biphenyl (PCB) mixture on rat uterine contraction in vitro.
Tsuneta T, Loch-Caruso R, Quensen JF 3rd, Boyd SA, Hanna M, Grindatti C. Tsuneta T, et al. Environ Res. 2008 Jun;107(2):185-93. doi: 10.1016/j.envres.2008.01.011. Epub 2008 Mar 21. Environ Res. 2008. PMID: 18359014 Free PMC article.
Aroclor 1260 that had not been incubated with microorganisms had no significant effect on contraction frequency of rat uterine strips (gestation day 10) in vitro, whereas HR1260 dramatically increased contraction frequency to 718+/-134% of the basal rate at a total PCB concentrat …
Aroclor 1260 that had not been incubated with microorganisms had no significant effect on contraction frequency of rat uterine strips (gesta …
Polychlorinated biphenyls release insulin from RINm5F cells.
Fischer LJ, Zhou HR, Wagner MA. Fischer LJ, et al. Life Sci. 1996;59(24):2041-9. doi: 10.1016/s0024-3205(96)00557-7. Life Sci. 1996. PMID: 8950306
The current study examined the ability of a commercial mixture of PCBs (Aroclor 1254) and three specific PCB congeners, to alter the release of insulin using the hormone producing cell line RINm5F. Exposure of cells to Aroclor 1254 (A-1254) produced a concentration-depende …
The current study examined the ability of a commercial mixture of PCBs (Aroclor 1254) and three specific PCB congeners, to alter the release …
Impairment of human neutrophil oxidative burst by polychlorinated biphenyls: inhibition of superoxide dismutase activity.
Narayanan PK, Carter WO, Ganey PE, Roth RA, Voytik-Harbin SL, Robinson JP. Narayanan PK, et al. J Leukoc Biol. 1998 Feb;63(2):216-24. doi: 10.1002/jlb.63.2.216. J Leukoc Biol. 1998. PMID: 9468280
Aroclor 1242 (A1242), a polychlorinated biphenyl mixture, and 2,2',4,4'-tetrachlorobiphenyl (PCB47), a constituent of A1242 that produces the same patterns of effects, impaired the oxidative burst of human neutrophils by inhibiting the antioxida …
Aroclor 1242 (A1242), a polychlorinated biphenyl mixture, and 2,2',4,4'-tetrachlorobiphenyl (PCB47), a co …
Congener specific effects by polychlorinated biphenyls on catecholamine content and release in chromaffin cells.
Messeri MD, Bickmeyer U, Weinsberg F, Wiegand H. Messeri MD, et al. Arch Toxicol. 1997;71(7):416-21. doi: 10.1007/s002040050405. Arch Toxicol. 1997. PMID: 9209686
The effects of the non-planar polychlorinated biphenyl (PCB) congener 2,2',4,4'-tetrachlorobiphenyl (2,4-TCB) and of the coplanar PCB congener 3,3',4,4'-tetrachlorobiphenyl (3,4-TCB) were investigated on the catecholamine content and release fro …
The effects of the non-planar polychlorinated biphenyl (PCB) congener 2,2',4,4'-tetrachlorobiphenyl (2,4- …
Zonal differences in DNA synthesis activity and cytochrome P450 gene expression in livers of male F344 rats treated with five nongenotoxic carcinogens.
Chen ZY, White CC, He CY, Liu YF, Eaton DL. Chen ZY, et al. J Environ Pathol Toxicol Oncol. 1995;14(2):83-99. J Environ Pathol Toxicol Oncol. 1995. PMID: 9372837
Both increased cell proliferation and "altered" CYP gene expression are prominent phenomena associated with liver tumor promotion by nongenotoxic carcinogen treatment. To further characterize these two responses, groups of rats were kept on powdered rat chow diet containin …
Both increased cell proliferation and "altered" CYP gene expression are prominent phenomena associated with liver tumor promotion by …
Potential involvement of calcium, CaM kinase II, and MAP kinases in PCB-stimulated insulin release from RINm5F cells.
Fischer LJ, Wagner MA, Madhukar BV. Fischer LJ, et al. Toxicol Appl Pharmacol. 1999 Sep 15;159(3):194-203. doi: 10.1006/taap.1999.8728. Toxicol Appl Pharmacol. 1999. PMID: 10486306
In the present study the mechanisms of this effect were investigated using noncytotoxic concentrations (10 microg/ml) of a PCB mixture, Aroclor-1254, and the pure PCB congeners 2,2',4,4'-tetrachlorobiphenyl and 2,2',4,4',5, 5'-hexachlorobiphenyl …
In the present study the mechanisms of this effect were investigated using noncytotoxic concentrations (10 microg/ml) of a PCB mixture, Aroc …
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