Sex differences in the reduction of arsenic methylation capacity as a function of urinary total and inorganic arsenic in Mexican children

ATSDR, 2007 Buchet, 1981, Comparison of the urinary excretion of arsenic metabolites after a single oral dose of sodium arsenite, monomethylarsonate, or dimethylarsinate in man, Int. Arch. Occup. Environ. Health, 48, 71, 10.1007/BF00405933 CDC. Fourth national report on human exposure to environmental chemicals. Updated tables, February 2015. Available from: 〈www.cdc.gov/biomonitoring/pdf/FourthReport_UpdatedTables_feb2015.pdf〉 (accessed 05.06.15) Chowdhury, 2003, Pattern of excretion of arsenic compounds [arsenite, arsenate, MMA(V), DMA(V)] in urine of children compared to adults from an arsenic exposed area in Bangladesh, J. Environ. Sci. Health A Toxic Hazard Subst. Environ. Eng., 38, 87, 10.1081/ESE-120016883 Concha, 1998, Metabolism of inorganic arsenic in children with chronic high arsenic exposure in northern Argentina, Environ. Health Perspect., 106, 355, 10.1289/ehp.98106355 Csanaky, 2003, Dose-dependent biotransformation of arsenite in rats-not S-adenosylmethionine depletion impairs arsenic methylation at high dose, Z. Toxicology, 183, 77, 10.1016/S0300-483X(02)00444-4 Del Razo, 1999, Profile of urinary arsenic metabolites in children chronically exposed to inorganic arsenic in Mexico, 281 Del Razo, 1999, Interference in the quantitation of methylated arsenic species in human urine, J. Anal. Toxicol., 23, 103, 10.1093/jat/23.2.103 Drobna, 2005, Metabolism and toxicity of arsenic in human urothelial cells expressing rat arsenic (+3 oxidation state)-methyltransferase, Toxicol. Appl. Pharmacol., 207, 147, 10.1016/j.taap.2004.12.007 García-Montalvo, 2011, Dose-dependent urinary phenotype of inorganic arsenic methylation in mice with a focus on trivalent methylated metabolites, Toxicol. Mech. Methods, 21, 649, 10.3109/15376516.2011.603765 Garcia-Vargas, 2014, Spatial clustering of toxic trace elements in adolescents around the Torreón, Mexico lead-zinc smelter, J. Expo. Sci. Environ. Epidemiol., 24, 634, 10.1038/jes.2014.11 Hall, 2009, Folate, cobalamin, cysteine, homocysteine, and arsenic metabolism among children in Bangladesh, Environ. Health Perspect., 117, 825, 10.1289/ehp.0800164 Hinhumpatch, 2009, Oxidative DNA damage and repair in children exposed to low levels of arsenic in utero and during early childhood: application of salivary and urinary biomarkers, Toxicol. Appl. Pharmacol., 273, 569, 10.1016/j.taap.2013.10.002 Hopenhayn-Rich, 1996, Methylation study of a population environmentally exposed to arsenic in drinking water, Environ. Health Perspect., 104, 620, 10.1289/ehp.96104620 Hsieh, 2014, methylation capacity and developmental delay in preschoolchildren in Taiwan, Int. J. Hyg. Environ. Health, 217, 678, 10.1016/j.ijheh.2014.02.004 Hsueh, 1998, Urinary levels of inorganic and organic arsenic metabolites among residents in an arseniasis-hyperendemic area in Taiwan, J. Toxicol. Environ. Health A, 24, 431 Kalman, 1990, The effect of variable environmental arsenic contamination on urinary concentrations of arsenic species, Environ. Health Perspect., 89, 145, 10.1289/ehp.9089145 Kennedy, 2008, Hormonal regulation of hepatic drug-metabolizing enzyme activity during adolescence, Clin. Pharm. Ther., 84, 662, 10.1038/clpt.2008.202 Kordas, 2004, Blood lead, anemia, and short stature are independently associated with cognitive performance in Mexican school children, J. Nutr., 134, 363, 10.1093/jn/134.2.363 Kordas, 2005, Iron and zinc supplementation does not improve parent or teacher ratings of behavior in first grade Mexican children exposed to lead, J. Pediatr., 147, 632, 10.1016/j.jpeds.2005.06.037 Lindberg, 2007, Gender and age differences in the metabolism of inorganic arsenic in a highly exposed population in Bangladesh, Environ. Res., 106, 110, 10.1016/j.envres.2007.08.011 Loffredo, 2003, Variability in human metabolism of arsenic, Environ. Res., 92, 85, 10.1016/S0013-9351(02)00081-6 Meza, 2005, Developmentally restricted genetic determinants of human arsenic metabolism: association between urinary methylated arsenic and CYT19 polymorphisms in children, Environ. Health Perspect., 113, 775, 10.1289/ehp.7780 Miller, 1987, Determination of lead in blood using electrothermal atomisation absorption spectrometry, a L’vov platform and matrix modifier, Analyst, 112, 1701, 10.1039/an9871201701 Osorio-Yáñez, 2013, Carotid intima-media thickness and plasma asymmetric dimethylarginine in Mexican children exposed to inorganic arsenic, Environ. Health Perspect., 121, 1090, 10.1289/ehp.1205994 Rosado, 2006, Iron and/or zinc supplementation did not reduce blood lead concentrations in children: Results of a randomized placebo controlled trial, J. Nutr., 136, 2378, 10.1093/jn/136.9.2378 Rosado, 2007, Arsenic exposure and cognitive performance in Mexican schoolchildren, Environ. Health Perspect., 115, 1371, 10.1289/ehp.9961 Schläwicke Engström, 2009, Arsenic metabolism is influenced by polymorphisms in genes involved in one-carbon metabolism and reduction reactions, Mutat. Res., 667, 4, 10.1016/j.mrfmmm.2008.07.003 Schulz, 2009, Human biomonitoring commission of the german federal environment agency. Revised and new reference values for environmental pollutants in urine or blood of children in Germany derived from the German environmental survey on children 2003–2006 (GerES IV), Int. J. Hyg. Environ. Health, 212, 637, 10.1016/j.ijheh.2009.05.003 Sun, 2007, Urinary arsenic metabolites in children and adults exposed to arsenic in drinking water in Inner Mongolia, China, Environ. Health Perspect., 115, 648, 10.1289/ehp.9271 Tseng, 2009, A review on environmental factors regulating arsenic methylation in humans, Toxicol. Appl. Pharmacol., 235, 338, 10.1016/j.taap.2008.12.016 Vahter, 2002, Mechanisms of arsenic biotransformation, Toxicology, 181–182, 211, 10.1016/S0300-483X(02)00285-8 Vahter, 2006, Gender differences in the disposition and toxicity of metals, Environ. Res., 104, 85, 10.1016/j.envres.2006.08.003 Waalkes, 2003, Transplacental carcinogenicity of inorganic arsenic in the drinking water: Induction of hepatic, ovarian, pulmonary, and adrenal tumors in mice, Toxicol. Appl. Pharmacol., 186, 7, 10.1016/S0041-008X(02)00022-4 Wasserman, 2004, Water arsenic exposure and children's intellectual function in Araihazar, Bangladesh, Environ. Health Perspect., 112, 1329, 10.1289/ehp.6964 Xu, 2008, Association of oxidative stress with arsenic methylation in chronic arsenic-exposed children and adults, Toxicol. Appl. Pharmacol., 232, 142, 10.1016/j.taap.2008.06.010