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Av. diabetol ; 25(6): 475-479, nov.-dic. 2009. tab
Article in Spanish | IBECS | ID: ibc-81341

ABSTRACT

Introducción: Las pacientes diagnosticadas de diabetes mellitus gestacional(DMG) son una población de riesgo para desarrollar diabetes a largo plazo. Laresistencia a la insulina se relaciona tanto con factores ambientales como genéticos,entre ellos, el polimorfismo K121Q del gen que codifica la proteínaPC-1, aunque existe controversia en la bibliografía especializada. Objetivos:Examinar si el polimorfismo K121Q se asocia con alteración del metabolismode la glucosa y/o síndrome metabólico en la DMG. Material y métodos: Seestudiaron, en el posparto, 97 mujeres mediante sobrecarga oral de glucosa(SOG) y diferentes variables clínicas, analíticas y genotipos del codón 121 delgen de la proteína PC-1. Resultados: Un 61% presenta una tolerancia normala la glucosa, un 29% prediabetes y un 10% diabetes mellitus. No hubodiferencias significativas para la presencia del alelo 121Q entre las pacientescon y sin tolerancia normal a la glucosa o diabetes, ni con las variables relacionadascon el síndrome metabólico. Conclusiones: Aunque se necesitanmás estudios poblacionales, el polimorfismo K121Q no está relacionado, eneste estudio, con alteración del metabolismo de la glucosa o riesgo cardiovascularen mujeres con DMG previa(AU)


Introduction: Women suffering gestational diabetes mellitus (GDM) are a riskgroup for diabetes at long-term. Insulin resistance is related to environmentaland genetic factors. Controversial data exists about association betweenK121Q PC-1 gene polymorphism and diabetes, obesity and/or insulin resistance.The aim of the study was to investigate the relationship between K121QPC-1 gene polymorphism and the glucose metabolic alterations or metabolicsyndrome variables. Patients and methods: 97 women with previous GDMwere reclassified by means of oral glucose tolerance test in the early postpartum.Anthropometric, biochemical and K121Q genotypes frequencies werestudied. Results: 61% of the patients had normal glucose tolerance, 29%met diagnostic criteria of prediabetes, and 10% diabetes mellitus. No significantdifferences in the 121Q allele have been found between women with andwithout glucose intolerance, diabetes or metabolic parameters associated withmetabolic syndrome. Conclusion: Although further poblational studies arenecessary, in this study, the K121Q PC-1 gene polymorphism is not associatedwith type 2 diabetes, glucose intolerance or cardiovascular risk factors inwomen with previous GDM(AU)


Subject(s)
Humans , Female , Pregnancy , Diabetes, Gestational/genetics , Cardiovascular Diseases/epidemiology , Diabetes, Gestational/metabolism , Polymorphism, Genetic , Risk Factors , Insulin Resistance , Glucose/metabolism , Glucose Tolerance Test , Codon/genetics
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