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Insulin resistance and -cell function in Colombian mestizo and Embera-Chamí populations and their relation with adiposity degree

dc.contributor.authorCaro Gómez, María Antonieta
dc.contributor.authorNaranjo González, Carlos Andrés
dc.contributor.authorParra Marín, María Victoria
dc.contributor.authorGallego Lopera, Berta Natalia
dc.contributor.authorValencia, Diana María
dc.contributor.authorRúa Molina, Diana Carolina
dc.contributor.authorRosique Gracia, Javier
dc.contributor.authorGarcía Pineda, Andrés Felipe
dc.contributor.authorGómez Isaza, Luis Felipe
dc.contributor.authorPizano Ramírez, Norman Diego
dc.contributor.authorArcos Palma, Edgar Gerardo
dc.contributor.authorVillegas Perrasse, Alberto del Carmen
dc.contributor.authorDuque Botero, Julieta
dc.contributor.authorBedoya Berrío, Gabriel de Jesús
dc.coverage.countryColombia
dc.date.accessioned2023-08-16T21:37:44Z
dc.date.available2023-08-16T21:37:44Z
dc.date.issued2017
dc.description.abstractBackground and objective: Insulin resistance (IR) is a condition favored by metabolic and endocrine changes experienced by adipose tissue in the context of obesity. The prevalence and the presentation of both IR and obesity vary among the populations, and may be affected by ancestral genetic composition among other factors. The aim of this study was to compare the presence of IR and obesity in Amerindians of the Embera-Chamí ethnicity and Colombian mestizo population. Patients and methods: A sample of 630 individuals, 471 mestizos and 159 Amerindians of the Embera-Chamí ethnicity, from the general population of Colombia were studied. For each participant, anthropometric and biochemical measurements, as well as blood pressure and the Homeostatic Model Assessment (HOMA) of IR and -cell function (%B) were recorded. These values were compared between the two populations. Results: While prevalence of central obesity was similar in both populations (48.7% and 42.6% in the mestizo and Embera groups respectively; p = 0.148), body mass index (BMI) values suggested a higher prevalence of overweight in the Embera than in mestizo population (43.4% Embera, 31.8% mestizo; p = 0.027). Despite the similarities in the prevalence of HOMA-IR and HOMA-%B status between both populations, the Embera population had a significantly greater pancreatic ˇ-cell function, higher insulin levels, and better glucose control, across BMI and central obesity categories, than the mestizo population. Conclusion: There are differences in aspects related to energy metabolism between the samples of the mestizo and Amerindian populations analyzed
dc.description.abstractAntecedentes y objetivo: La resistencia a la insulina (RI) es una condición favorecida por las alteraciones metabólicas y endocrinológicas experimentadas por el tejido adiposo en el contexto de obesidad. Tanto la prevalencia como la presentación de RI y obesidad varían entre las poblaciones y puede ser afectada, entre otros factores, por la composición genética ancestral. El objetivo de este estudio fue comparar la presentación tanto de RI como de obesidad entre amerindios de la etnia embera-chamí y población mestiza colombiana. Pacientes y métodos: Se estudió una muestra de 630 individuos de la población general mestiza colombiana (471 individuos) y de amerindios de la etnia embera-chamí (159 individuos). Para todos los participantes se registraron tanto medidas antropométricas, bioquímicas así como de presión arterial y el índice homeostatic model assessment (HOMA) para la RI y función de la célula ˇ, valores que fueron comparados entre las poblaciones. Resultados: Mientras que ambas poblaciones mostraron una prevalencia de obesidad central similar (48,7% en mestizos, 42,6% en embera; p = 0,148), los embera presentaron mayor exceso de peso de acuerdo al índice de masa corporal que los mestizos (43,4% en embera, 31,8% en mestizos; p = 0,027). A pesar de las similitudes en la prevalencia de HOMA2-RI y HOMA2- %B entre ambas poblaciones, los embera presentan una función significativamente mayor de las células ˇ del páncreas, niveles de insulina comparativamente mayores y un mejor control glucémico que los mestizos. Conclusión: Existen diferencias en aspectos del metabolismo energético entre las muestras de población mestiza y amerindia analizadas
dc.format.extent10 páginasspa
dc.format.mimetypeapplication/pdfspa
dc.identifier.eissn2530-0164spa
dc.identifier.urihttps://dspace.tdea.edu.co/handle/tdea/3783
dc.language.isoengspa
dc.publisherElsevierspa
dc.publisher.placeEspañaspa
dc.relation.citationendpage220spa
dc.relation.citationissue4spa
dc.relation.citationstartpage211spa
dc.relation.citationvolume64spa
dc.relation.ispartofjournalEndocrinología, Diabetes y Nutriciónspa
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dc.rights.accessrightsinfo:eu-repo/semantics/openAccessspa
dc.rights.coarhttp://purl.org/coar/access_right/c_abf2spa
dc.rights.licenseAtribución-NoComercial-SinDerivadas 4.0 Internacional (CC BY-NC-ND 4.0)spa
dc.rights.urihttps://creativecommons.org/licenses/by-nc-nd/4.0/spa
dc.sourcehttps://www.elsevier.es/es-revista-endocrinologia-diabetes-nutricion-13-pdf-S2530016417300800spa
dc.subject.decsResistencia a la Insulina
dc.subject.decsInsulin Resistance
dc.subject.decsResistência à Insulina
dc.subject.decsInsulinorésistance
dc.subject.decsObesidad
dc.subject.decsObesidade
dc.subject.decsObesity
dc.subject.decsObésité
dc.subject.proposalAdmixed population
dc.subject.proposalPoblación mezclada
dc.subject.unescoAmerindians
dc.subject.unescoAmerindio
dc.subject.unescoAmérindien
dc.titleInsulin resistance and -cell function in Colombian mestizo and Embera-Chamí populations and their relation with adiposity degree
dc.typeArtículo de revistaspa
dc.type.coarhttp://purl.org/coar/resource_type/c_2df8fbb1spa
dc.type.coarversionhttp://purl.org/coar/version/c_970fb48d4fbd8a85spa
dc.type.contentTextspa
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dc.type.redcolhttp://purl.org/redcol/resource_type/ARTspa
dc.type.versioninfo:eu-repo/semantics/publishedVersionspa
dspace.entity.typePublication

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