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Salud pública Méx ; 52(5): 461-467, sept.-oct. 2010. ilus, graf, tab
Article in Spanish | LILACS | ID: lil-562210

ABSTRACT

Las fumonisinas son una familia de micotoxinas que contaminan al maíz, alteran el metabolismo de los esfingolípidos y del folato, se asocian con defectos del tubo neural y están catalogadas por la Agencia Internacional de Investigación en Cáncer (IARC por sus siglas en inglés) como posibles carcinógenos humanos. Debido a que en México los derivados de maíz constituyen una parte importante de la dieta y existe alta prevalencia de población genéticamente susceptible a la deficiencia de folato, en este ensayo se presentan las evidencias mundiales y nacionales de la exposición a fumonisinas y la relevancia que para México representa la evaluación de esta exposición.


Fumonisins are mycotoxins that contaminate maize, disrupt the folate and sphingolipid metabolism, are associated with neural tube defects, and are considered by the International Agency for Research on Cancer (IARC) as possible human carcinogens. Since maize-based foods are significant components of the Mexican diet and there is a high prevalence of genetic susceptibility for folate deficiency among Mexicans, this essay presents international and national evidence of fumonisin exposure and the relevance that such exposure represents for Mexico.


Subject(s)
Adolescent , Adult , Animals , Female , Humans , Male , Mice , Pregnancy , Rats , Young Adult , Folic Acid/metabolism , Food Contamination , Fumonisins/adverse effects , Neural Tube Defects/etiology , Carcinogens, Environmental/adverse effects , Digestive System Neoplasms/chemically induced , Digestive System Neoplasms/epidemiology , Equidae , /antagonists & inhibitors , Fumonisins/chemistry , Fumonisins/pharmacokinetics , Fumonisins/toxicity , Homocystinuria/epidemiology , Homocystinuria/genetics , Kidney Tubular Necrosis, Acute/chemically induced , Leukoencephalopathies/chemically induced , Leukoencephalopathies/veterinary , Membrane Transport Proteins/metabolism , /deficiency , /genetics , Mexico , Muscle Spasticity/epidemiology , Muscle Spasticity/genetics , Neural Tube Defects/chemically induced , Neural Tube Defects/epidemiology , Neural Tube Defects/genetics , Psychotic Disorders/epidemiology , Psychotic Disorders/genetics , Sphingolipids/chemistry , Sphingolipids/metabolism , Swine , Teratogens/toxicity , Young Adult , Zea mays/microbiology
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