title: Estimation of autistic children by metallomics analysis.
abstract: Clarification of the pathogenesis and treatment of autism spectrum disorders is one of the challenges today. In this study, we examine scalp hair concentrations of 26 trace elements for 1,967 children with autistic disorders (1,553 males and 414 females). Five-hundred and eighty-four (29.7%), 347 (17.6%) and 114 (5.8%) subjects was found deficient in zinc, magnesium and calcium, respectively, and 2.0% or less in the other essential metals. The incidence rate of mineral deficiency was highly observed in infants aged 0-3 year-old. In contrast, 339 (17.2%), 168 (8.5%) and 94 (4.8%) individuals was found suffering from high burden of aluminium, cadmium and lead, and 2.8% or less from mercury and arsenic burden. These findings suggest that infantile zinc- and magnesium-deficiency and/or toxic metal burdens may epigenetically play principal roles as environmental factors in autistic disorders and that metallomics approach may lead to early screening and prevention of the neurodevelopment disorders.
authors: La Belle Vie Research Laboratory, 8-4 Nihonbashi-Tomizawacho , Chuo-ku, Tokyo, Japan. yasuda@lbv.co.jp
authors: Hiroshi
authors: H
authors: Yasuda
authors: Masahiro
authors: M
authors: Kobayashi
authors: Yuichi
authors: Y
authors: Yasuda
authors: Toyoharu
authors: T
authors: Tsutsui
mesh_terms: D000293:Adolescent; D000535:Aluminum / Q000032:analysis; D001151:Arsenic / Q000032:analysis; D001321:Autistic Disorder / Q000175:diagnosis*; D002104:Cadmium / Q000032:analysis; D002118:Calcium / Q000032:analysis / Q000172:deficiency; D002648:Child; D002675:Child, Preschool; D003300:Copper / Q000032:analysis; D042241:Early Diagnosis; D005260:Female; D006197:Hair / Q000737:chemistry*; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007854:Lead / Q000032:analysis; D008274:Magnesium / Q000032:analysis; D008275:Magnesium Deficiency; D008297:Male; D008628:Mercury / Q000032:analysis; D008670:Metals / Q000032:analysis*; D012535:Scalp / Q000737:chemistry*; D014131:Trace Elements / Q000032:analysis* / Q000172:deficiency; D015032:Zinc / Q000032:analysis / Q000172:deficiency
chemical_list: D008670:Metals; D014131:Trace Elements; D002104:Cadmium; D007854:Lead; D003300:Copper; D000535:Aluminum; D008628:Mercury; D008274:Magnesium; D015032:Zinc; D001151:Arsenic; D002118:Calcium
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