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Title: Dietary energy partition: the central role of glucose
Author: Remesar Betlloch, Xavier
Alemany, Marià, 1946-
Keywords: Dieta
Issue Date: 19-Oct-2020
Publisher: MDPI
Abstract: Humans have developed effective survival mechanisms under conditions of nutrient (and energy) scarcity. Nevertheless, today, most humans face a quite different situation: excess of nutrients, especially those high in amino-nitrogen and energy (largely fat). The lack of mechanisms to prevent energy overload and the effective persistence of the mechanisms hoarding key nutrients such as amino acids has resulted in deep disorders of substrate handling. There is too often a massive untreatable accumulation of body fat in the presence of severe metabolic disorders of energy utilization and disposal, which become chronic and go much beyond the most obvious problems: diabetes, circulatory, renal and nervous disorders included loosely within the metabolic syndrome. We lack basic knowledge on diet nutrient dynamics at the tissue-cell metabolism level, and this adds to widely used medical procedures lacking su cient scientific support, with limited or nil success. In the present longitudinal analysis of the fate of dietary nutrients, we have focused on glucose as an example of a largely unknown entity. Even most studies on hyper-energetic diets or their later consequences tend to ignore the critical role of carbohydrate (and nitrogen disposal) as (probably) the two main factors affecting the substrate partition and metabolism.
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It is part of: International Journal of Molecular Sciences, 2020, vol. 21, num. 20, p. 7729
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ISSN: 1661-6596
Appears in Collections:Articles publicats en revistes (Bioquímica i Biomedicina Molecular)

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