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Intestinal sugar transport.

Laurie A Drozdowski1, Alan B R Thomson

  • 1Division of Gastroenterology, Department of Medicine, University of Alberta, 5150 Dentistry Pharmacy Building, Edmonton, Alberta T6G 2N8, Canada. lad2@ualberta.ca

World Journal of Gastroenterology
|April 6, 2006
PubMed
Summary
This summary is machine-generated.

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Dietary carbohydrates, from simple sugars to complex starches, are broken down into monosaccharides. These sugars are then absorbed by enterocytes in the intestine via specific nutrient transporters.

Area of Science:

  • Nutrition Science
  • Gastroenterology
  • Molecular Biology

Background:

  • Dietary carbohydrates encompass monosaccharides, disaccharides, and polysaccharides.
  • Digestion involves salivary and pancreatic amylases, followed by brush border membrane (BBM) enzymes like lactase-phloridzin hydrolase and sucrase-isomaltase.
  • Enterocytes utilize nutrient transporters to absorb monosaccharides.

Discussion:

  • This review examines historical research on intestinal sugar transport.
  • It highlights recent advancements in understanding sugar absorption mechanisms.
  • The role of BBM enzymes and enterocyte transporters is central to nutrient assimilation.

Key Insights:

  • Carbohydrate digestion yields monosaccharides for absorption.
  • Specific enzymes and transporters facilitate intestinal sugar uptake.

Related Experiment Videos

  • Understanding these processes is crucial for nutritional science.

    • Outlook:

    • Further research can elucidate transporter function and regulation.
    • Insights may inform strategies for managing carbohydrate malabsorption disorders.
    • Investigating novel transport mechanisms could enhance nutrient delivery.