Person:
Hernández Martín, Marina

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First Name
Marina
Last Name
Hernández Martín
Affiliation
Universidad Complutense de Madrid
Faculty / Institute
Farmacia
Department
Fisiología
Area
Fisiología
Identifiers
UCM identifier

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  • Publication
    Could Duodenal Molecular Mechanisms be Involved in the Hypocholesterolemic Effect of Silicon Used as Functional Ingredient in Late‐Stage Type 2 Diabetes Mellitus?
    (Wiley, 2022-10-10) Hernández Martín, Marina; Bocanegra De Juana, Aránzazu; Redondo Castillejo, Rocío; Macho González, Adrián; Sánchez Muniz, Francisco José; Benedí González, Juana María; Bastida Codina, Sara; García Fernández, Rosa Ana; Garcimartín Álvarez, Alba; López-Oliva Muñoz, María Elvira
    Scope: Hypercholesterolemia increases the risk of mortality in type 2 diabetesmellitus (T2DM), especially in the late-stage. Consumption of bioactivecompounds as functional ingredients would help achieve therapeutic goals forcholesterolemia. Silicon has demonstrated a hypocholesterolemic effect andthe ability to reduce fat digestion. However, it is unclear whether silicon exertssuch effect in late-stage T2DM (LD) and the intestinal mechanisms involved.Methods and results: Three groups of eight rats were included: early-stageT2DM control (ED), LD, and the LD group treated with silicon (LD-Si) oncethe rats were diabetic. Morphological alterations of the duodenal mucosa, andlevels of markers involve in cholesterol absorption and excretion, besidecholesterolemia, and fecal excretion were assayed. Silicon included as afunctional ingredient significantly reduces cholesterolemia in part due to: 1)reducing cholesterol intestinal absorption by decreasing the absorptive areaand Acetyl-Coenzyme A acetyltransferase-2 (ACAT2) levels; and 2) increasingcholesterol excretion to the lumen by induction of the liver X receptor (LXR)and consequent increase of adenosine triphosphate-binding cassettetransporter (ABCG5/8).Conclusions: These results provide insight into the intestinal molecularmechanisms by which silicon reduces cholesterolemia and highlights theefficacy of the consumption of silicon-enriched functional foods in late-stageT2DM.