An investigation of the effects of methylmercury in rats fed different dietary fats and proteins: Testicular steroidogenic enzymes and serum testosterone levels

Atwal, 1997, Effects of protein source and animo acid supplementation on plasma cholesterol in guinea pigs, J. Vitam. Nutr. Res., 67, 192 Burton, 1980, Acute and chronic methyl mercury poisoning impairs rat adrenal and testicular function, J. Toxicol. Environ. Health, 6, 597, 10.1080/15287398009529877 Carroll, 2002, Evidence for the cardioprotective effects of omega-3 fatty acids, Ann. Pharmacol., 36, 1950, 10.1345/aph.1A314 Chan, 1998, A database for environmental contaminants in traditional foods in northern and arctic Canada. Development and application, Food Addit. Contam., 15, 127, 10.1080/02652039809374621 Chan, 1995, Assessment of dietary exposures to trace metals in Baffin Inuit food samples, Environ. Health Perspect., 103, 740, 10.1289/ehp.95103740 Chapman, 2000, The influence of nutrition on methyl mercury intoxication, Environ. Health Perspect., 108, 29, 10.1289/ehp.00108s129 Chowdhury, 1985, Inhibition of 3β-hydroxysteroid dehydrogenase in rat testicular tissue by mercuric chloride, Toxicol. Lett., 27, 45, 10.1016/0378-4274(85)90118-3 Chowdhury, 1986, Histomorphometric and biochemical changes in the testicular tissues of rats treated with mercuric chloride, Biomed. Biochim. Acta, 7, 949 Chowdhury, 1989, Methylmercury- and mercuric-chloride-induced alterations in rat epididymal sperm, Toxicology Lett., 47, 125, 10.1016/0378-4274(89)90067-2 Chowdhury, 1989, Methylmercury induced biochemical and histochemical alterations in rat testis, Indian J. Physiol. Pharmacol., 33, 218 Cooke, 1989, Identification and mechanism of action of phospholipids capable of modulating rat testicular microsomal 3 beta-hydroxysteroid dehydrogenase-isomerase activity in vitro, Biol. Reprod., 41, 438, 10.1095/biolreprod41.3.438 Cooke, 1988, Phospholipases modulate the rat testicular androgen biosynthetic pathway in vitro, Biol. Reprod., 39, 329, 10.1095/biolreprod39.2.329 Cooke, 1997, The effects of progesterone, 4,16-androstadien-3-one and MK-434™ on the kinetics of pig testis microsomal testosterone-4-ene-5α-reductase activity, J. Steroid Biochem. Molec. Biol., 60, 353, 10.1016/S0960-0760(96)00223-3 Cooke, 1998, Effects of In Utero and lactational exposure to 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) on serum androgens and steroidogenic enzyme activities in the male rat reproductive tract, J. Steroid Biochem. Molec. Biol., 67, 347, 10.1016/S0960-0760(98)00127-7 Crump, 1998, Influence of prenatal mercury exposure upon scholastic and psychological test performance: benchmark analysis of a New Zealand cohort, Risk Anal., 18, 701, 10.1023/B:RIAN.0000005917.52151.e6 Davidson, 2001, Methylmercury and neurodevelopment: reanalysis of the Seychelles Child Development Study outcomes at 66 months of age, JAMA, 285, 1291, 10.1001/jama.285.10.1291-a Dolbec, 2001, Sequential analysis of hair mercury levels in relation to fish diet of an Amazonian population, Sci. Total. Environ., 271, 87, 10.1016/S0048-9697(00)00835-4 Dorfman, 2005, Dietary fatty acids and cholesterol differentially modulate HDL cholesterol metabolism in golden-syrian hamsters, J. Nutr., 135, 492, 10.1093/jn/135.3.492 Dorgan, 2003, Diet and sex hormones in girls: findings from a randomized controlled clinical trial, J. Natl. Cancer Inst., 95, 132, 10.1093/jnci/95.2.132 Ernst, 1991, Effect of organic and inorganic mercury on human sperm motility, Pharmacol. Toxicol., 69, 440, 10.1111/j.1600-0773.1991.tb01267.x Funston, 2004, Fat supplementation and reproduction in beef females, J. Anim. Sci., 82, 154 Grandjean, 1999, Effects of methylmercury exposure on neurodevelopment, JAMA, 281, 896, 10.1001/jama.281.10.896 Grandjean, 1997, Cognitive deficit in 7-year-old children with prenatal exposure to methylmercury, Neurotoxicol. Teratol., 6, 417, 10.1016/S0892-0362(97)00097-4 Gromadzka-Ostrowska, 2002, Influence of dietary fatty acids composition, level of dietary fat and feeding period on some parameters of androgen metabolism in male rats, Reprod. Biol., 2, 277 Grubbs, 1969, Procedures for detecting outlying observations in samples, Technometrics, 11, 1, 10.2307/1266761 Guallar, 2002, Mercury, fish oil, and the risk of mycocardial infarction, New. Engl. J. Med., 22, 1747, 10.1056/NEJMoa020157 Harada, 1995, Minamata disease: methylmercury poisoning in Japan caused by environmental pollution, Crit. Rev. Toxicol., 25, 1, 10.3109/10408449509089885 Hoeben, 1999, Heregulins or Neu differentiation factors and the interactions between Peritubular Myoid cells and Sertoli cells, Endocrinology, 140, 2216, 10.1210/en.140.5.2216 Hojbjerg, 1992, Effects of dietary lipids on whole-body retention and organ distribution of organic and inorganic mercury in mice, Food Chem. Toxicol., 30, 703, 10.1016/0278-6915(92)90166-I Homma-Takeda, 2001, Impairment of spermatogenesis in rats by methylmercury: involvement of stage- and cell- specific germ cell apoptosis, Toxicology, 169, 25, 10.1016/S0300-483X(01)00487-5 Huhtaniemi, 1995, Molecular aspects of the ontogeny of the pituitary-gonadal axis, Reprod. Fertil. Dev., 7, 1025, 10.1071/RD9951025 Jin, 2007, Modulating effects of dietary fats on methylmercury toxicity and distribution in rats, Toxicology, 230, 22, 10.1016/j.tox.2006.10.023 Johnsson, 2004, Hair mercury levels versus freshwater fish consumption in household members of Swedish angling societies, Environ. Res., 96, 257, 10.1016/j.envres.2004.01.005 Kesterloot, 1991, Dairy fat, saturated animal fat, and cancer risk, Prev. Med., 20, 226, 10.1016/0091-7435(91)90022-V Kim, 2004, Prepubertal exposure to 4-tert-octylphenol induces apoptosis of testicular germ cells in adult rat, Arch. Androl., 50, 427, 10.1080/01485010490475093 Kling, 1981, The effects of vitamin E and dietary linoleic acid on mercury toxicity, Nutr. Rep. Int., 24, 39 Kosatsky, 2000, Mercury exposure in Montrealers who eat St. Lawrence River sportfish, Environ. Res., 84, 36, 10.1006/enrs.2000.4073 La Fleur, 2005, Choice of lard, but not total lard calories, damps ACTH responses to restraint, Endocrinology, 146, 2193, 10.1210/en.2004-1603 Li, 2003, Omega-3 fatty acids and non-communicable diseases, Chin. Med. J., 116, 453 Lowry, 1951, Protein measurement with the Folin phenol reagent, J. Biol. Chem., 193, 265, 10.1016/S0021-9258(19)52451-6 Machino, 1969, Influence of physical and chemical treatments upon the microsomal enzymes of testes related to androgen biosynthesis, Endocrinol. Jpn., 16, 37, 10.1507/endocrj1954.16.37 Maretta, 1995, Effect of mercury on the seminiferous epithelium of the fowl testis, Acta Vet. Hung., 43, 153 Marsh, 1987, Fetal methylmercury poisoning. Relationship between concentration in single strands of maternal hair and child effects, Arch. Neurol., 44, 1017, 10.1001/archneur.1987.00520220023010 McLachlan, 2002, Identification of specific sites of hormonal regulation in spermatogenesis in rats, monkeys and man, Rec. Prog. Horm. Res., 57, 149, 10.1210/rp.57.1.149 McVey, 2004, Increased serum and testicular androgen levels in F1 rats with lifetime exposure to soy isoflavones, Reprod. Toxicol., 18, 677, 10.1016/j.reprotox.2004.04.005 McVey, 2004, Altered testicular microsomal steroidogenic enzyme activities in rats with lifetime exposure to soy isoflavones, J. Steroid Biochem. Mol. Biol., 92, 435, 10.1016/j.jsbmb.2004.08.002 McVey, 2008, Effects of dietary fats and proteins on rat testicular steroidogenic enzymes and serum testosterone levels, Food Chem. Toxicol., 46, 259, 10.1016/j.fct.2007.08.045 Menotti, 1999, Food intake patterns and 25-year mortality from coronary heart disease: cross-cultural correlations in the seven countries study. The seven countries study research group, Eur. J. Epidemiol., 15, 507, 10.1023/A:1007529206050 Miller, 1999, Molecular pathology and mechanism of action of the steroidogenic acute regulatory protein, STAR, J. Steroid Biochem. Mol. Biol., 69, 131, 10.1016/S0960-0760(98)00153-8 Mohamed, 1987, Effects of methyl mercury on testicular functions in Macaca fascicularis monkeys, Pharmacol. Toxicol., 60, 29, 10.1111/j.1600-0773.1987.tb01715.x Mondal, 1997, Inorganic mercury binding to fish oocyte plasma membrane induces steroidogenesis and translatable messenger RNA synthesis, Biometals, 10, 285, 10.1023/A:1018372332624 Muckle, 2001, Determinants of polychlorinated biphenyls and methylmercury exposure in Inuit women of childbearing age, Environ. Health Perspect., 109, 957, 10.1289/ehp.01109957 Muckle, 2001, Prenatal exposure of the Northern Quebec Inuit infants to environmental contaminants, Environ. Health Perspect., 109, 1291 Myers, 2003, Prenatal methylmercury exposure from ocean fish consumption in the Seychelles child development study, Lancet, 361, 1686, 10.1016/S0140-6736(03)13371-5 National Research Council (NRC), 1995, Nutrient Requirements of Laboratory Rats, 11 National Research Council, 2000 Ng, 1990, Toxic effect of heavy metals on cells isolated from the rat adrenal and testis, In Vitro Cell. Dev. Biol., 1, 24, 10.1007/BF02624150 Parizek, 1967, The protective effect of small amounts of selenite in sublimate intoxication, Experientia, 23, 142, 10.1007/BF02135970 Parker, 1999, Gene interactions in gonadal development, Annu. Rev. Physiol., 61, 417, 10.1146/annurev.physiol.61.1.417 Payne, 1995, Regulation of expression of steroidogenic enzymes in Leydig cells, Biol. Reprod., 52, 217, 10.1095/biolreprod52.2.217 Ramalingam, 2002, Effect of mercuric chloride membrane-bound enzymes in rat testis, Asian J. Androl., 4, 309 Ramalingam, 2001, Mercuric chloride induced changes in the histology of the testis and serum testosterone in adult albino rats, Pollut. Res., 21, 7 Ramalingam, 2003, Effect of mercuric chloride on circulating hormones in adult albino rats, J. Environ. Biol., 4, 401 Reddy, 1987, Dietary fat and colon cancer: animal models, Prev. Med., 16, 460, 10.1016/0091-7435(87)90058-2 Rosenfeld, 2003, Striking variation in the sex ratio of pups born to mice according to whether maternal diet is high in fat or carbohydrate, Proc. Natl. Acad. Sci. USA, 100, 4628, 10.1073/pnas.0330808100 Rowland, 1986, The effect of various dietary fibres on tissue concentration and chemical form of mercury after methylmercury exposure in mice, Arch. Toxicol., 59, 94, 10.1007/BF00286730 Rowlands, 2002, Altered mammary gland differentiation and progesterone receptor expression in rats fed soy and whey proteins, Toxicol. Sci., 70, 40, 10.1093/toxsci/70.1.40 Sakamoto, 2004, Dose-dependent effects of methylmercury administered during neonatal brain spurt in rats, Brain Res. Dev. Brain Res., 152, 171, 10.1016/j.devbrainres.2004.06.016 Simophoulos, 2002, Omega-3 fatty acids in inflammation autoimmune diseases, J. Amer. Coll. Nut., 21, 495, 10.1080/07315724.2002.10719248 Sing, 2003, Organic mercury levels among the Yanomama of the Brazilian Amazon Basin, Ambio, 32, 434, 10.1579/0044-7447-32.7.434 Smith, 1996, Methyl mercury pharmacokinetics in man: a reevaluation, Toxicol. Appl. Pharmacol., 137, 245, 10.1006/taap.1996.0078 Sprando, 1997, Is Leydig cell steroidogenic function affected by the germ cell content of the seminiferous tubules?, J. Androl., 18, 424 Staples, 1998, Influence of supplemental fats on reproductive tissues and performance of lactating cows, J. Dairy Sci., 81, 656, 10.3168/jds.S0022-0302(98)75644-9 Stern, 2005, A revised probabilistic estimate of the maternal methyl mercury intake dose corresponding to a measured cord blood mercury concentration, Environ. Health Perspect., 113, 155, 10.1289/ehp.7417 Taylor, 2003, Uterine artery function in pregnant rats fed a diet supplemented with animal lard, Exp. Physiol., 88, 389, 10.1113/eph8802495 Turner, 1984, On the androgen microenvironment of maturing spermatozoa, Endocrinology, 115, 1925, 10.1210/endo-115-5-1925 Vachhrajani, 1990, Distribution of mercury and evaluation of testicular steroidogenesis in mercuric chloride and methylmercury administered rats, Indian J. Exp. Biol., 28, 746 Veltman, 1986, Alterations of heme, cytochrome P-450, and steroid metabolism by mercury in rat adrenal, Arch. Biochem Biophys., 248, 467, 10.1016/0003-9861(86)90500-X Wagemann, 2000, Mercury species in the liver of ringed seals, Sci Total Environ., 261, 21, 10.1016/S0048-9697(00)00592-1 Xiao, 2005, Dietary exposure to soy or whey proteins alters colonic global gene expression profiles during rat colon tumorigenesis, Mol. Cancer, 4, 10.1186/1476-4598-4-1 Zirkin, 1997, Leydig cell steroidogenesis in aging rats, Exp. Gerontol., 32, 529, 10.1016/S0531-5565(96)00165-9