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Review
, 150 (5), 627-33

GLUT1 Deficiency and Other Glucose Transporter Diseases

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Review

GLUT1 Deficiency and Other Glucose Transporter Diseases

Juan M Pascual et al. Eur J Endocrinol.

Abstract

We review the three genetically determined disorders of glucose transport across cell membranes. Diseases such as glucose-galactose malabsorption, Fanconi-Bickel syndrome and De Vivo disease (GLUT1 deficiency syndrome (GLUT1DS)) arise from heritable mutations in transporter-encoding genes that impair monosaccharide uptake, which becomes rate-limiting in tissues where the transporters serve as the main glucose carrier systems. We focus in greater detail on De Vivo disease as a prototype of a brain energy failure syndrome, for which the greatest pathophysiological detail is known, but which presents the most therapeutic challenges. The study of these diseases illustrates fundamental aspects of energetic metabolism, while providing the basis for their diagnosis by simple metabolic screening and for their treatment by dietary modification.

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