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The lactase persistence genotype is a protective factor for the metabolic syndrome

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The lactase persistence genotype is a protective factor for the metabolic syndrome

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Título The lactase persistence genotype is a protective factor for the metabolic syndrome
Autor Friedrich, Denise Barbosa de Castro
Andrade, Fabiana Michelsen de
Fiegenbaum, Marilu
Almeida, Silvana de
Mattevi, Vanessa Sune
Callegari-Jacques, Sidia Maria
Hutz, Mara Helena
Abstract The Metabolic Syndrome (MetS) is defined as a pattern of metabolic disturbances, which include central obesity, insulin resistance and hyperglycemia, dyslipidemia, and hypertension. Milk has been promoted as a healthy beverage that can improve the management of MetS. Most human adults, however, down-regulate the production of intestinal lactase after weaning. Lactase encoded by the LCT gene is necessary for lactose digestion. The -13910C > T SNP (rs4988235) is responsible for the lactase persistence phenotype in European populations. We herein investigated whether the lactase persistence genotype is also associated with the MetS in subjects from a Brazilian population of European descent. This study consisted of 334 individuals (average age of 41 years) genotyped by PCR-based methods for the -13910C > T SNP. Clinical data were assessed and the genotypes were tested for their independent contribution to the MetS using chi-square tests and multiple logistic regression analysis. Univariate analyses showed that hypertension and MetS prevalence were higher in individuals with the lactase non-persistence genotype than in lactase persistence subjects. Furthermore, lactase persistence was associated with a lower risk for MetS (OR = 0.467; 95% CI 0.264-0.824; p = 0.009). These results suggest that LCT genotypes can be a valuable tool for the management of MetS treatment.
Contido em Genetics and molecular biology. Ribeirão Preto. Vol. 37, no. 4 (2014), p. 611-615
Assunto Estatística aplicada
[en] Hypolactasia
[en] Lactase persistence
[en] Lactose
[en] Metabolic syndrome
Origem Nacional
Tipo Artigo de periódico
URI http://hdl.handle.net/10183/118590
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