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Part of book or chapter of book . 2022
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El tejido adiposo: su papel en disfunciones endocrinometabólicas

Authors: Costa Gil, José Esteban; Spinedi, Eduardo Julio;

El tejido adiposo: su papel en disfunciones endocrinometabólicas

Abstract

En esta revisión se describe la relación funcional entre el metabolismo de los lípidos y los carbohidratos y su interdependencia, desde el ciclo glucosaácidos grasos y la hipótesis portal de la insulinorresistencia a los nuevos conocimientos sobre los adipocitos marrones y beiges, con énfasis en el normal funcionamiento de un patrón endocrino cuya disfunción es clave en la fisiopatología de la DMT2 y la obesidad. Se discute la ectopia o asiento de grasa en tejido magro por incapacidad del tejido adiposo para seguir acopiando lípidos y la actividad endocrina del adipocito, con la producción demoléculas (adipoquinas) que influyen sobre los mecanismos inductores deinsulinorresistencia (leptina, adiponectina, TNF-alfa, de la célula beta. Se describe la disminución de la capacidad oxidativa en la cadena respiratoria mitocondrial y el renacer del concepto de lipogénesis de novo, ambas favoreciendo el acopie de lípido intracelular. En tejidos magros existen pequeñas reservas intracelulares de lípidos que mantienen la regulación de funciones esenciales, aunque si aparece una sobrecarga lipídica el fenómeno conduciría a una disfunción (lipotoxicidad) y a la muerte celular(lipoapoptosis). La tormentosa relación entre los lípidos y el islote de Langerhans va más allá del esfuerzo funcional que impone la directos de los lípidos o de sus derivados sobre la función del islote pancreático. Sin déficit de insulina no se desarrolla diabetes.

Fil: Spinedi, Eduardo Julio. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Centro de Endocrinología Experimental y Aplicada. Universidad Nacional de La Plata. Facultad de Ciencias Médicas. Centro de Endocrinología Experimental y Aplicada; Argentina

Fil: Costa Gil, José Esteban. Universidad Favaloro. Facultad de Medicina; Argentina

Country
Argentina
Keywords

DMT2, OBESIDAD, https://purl.org/becyt/ford/3.2, HïGADO, https://purl.org/becyt/ford/3, TEJIDO ADIPOSO ENDÒCRINO, DIABETES T2

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green