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Sugar (a simple carbohydrate) metabolism (chemical reactions) is a classic example of the many cellular processes that use and produce energy. Living things consume sugar as a major energy source because sugar molecules have considerable energy stored within their bonds. Consumed carbohydrates have their origins in photosynthesizing organisms like plants. During photosynthesis, plants use the energy of sunlight to convert carbon dioxide gas into sugar molecules, like glucose. Because this...
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Carbohydrate digestion and metabolism break down simple and complex carbohydrates from food into saccharides (i.e., sugars) for the body to use as energy. Carbohydrate digestion starts in the mouth during mastication, or chewing. The masticated carbohydrates remain intact in the stomach. Digestion resumes in the duodenum of the small intestine, where pancreatic alpha-amylase and brush border enzymes of the microvilli convert complex carbohydrates to monosaccharides. Finally, the monosaccharides...
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How to Crack the Sugar Code.

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  • 1Institute of Physiological Chemistry, Faculty of Veterinary Medicine, Ludwig-Maximilians-University Munich, Munich, Germany.

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This summary is machine-generated.

Glycans, or carbohydrates, act as vital cell communicators. Researchers are deciphering the "sugar code" using programmable nanoparticles to understand how these signals regulate cell interactions.

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Area of Science:

  • Biochemistry
  • Glycobiology
  • Supramolecular Chemistry

Background:

  • Ubiquitous glycans are crucial for cell sociology and biological information coding.
  • Carbohydrates offer high structural diversity for biochemical messages.
  • Cellular glycoconjugates are formed through enzymatic assembly and remodelling.

Purpose of the Study:

  • To delineate the rules of the sugar code.
  • To understand the specific functional pairing between lectins and their counterreceptors.
  • To investigate the co-regulation of receptors, glycans, and bioactive scaffolds.

Main Methods:

  • Utilizing bottom-up approaches combining synthetic and supramolecular chemistry.
  • Preparing fully programmable nanoparticles as binding partners.
  • Conducting systematic network analysis of lectins and rational design of variants.

Main Results:

  • Demonstrated the essential prerequisite of glycans for cell sociology.
  • Highlighted the role of carbohydrates in coding biological information.
  • Enabled delineation of the rules governing the sugar code through advanced methodologies.

Conclusions:

  • The sugar code is fundamental to biological information transfer.
  • Specific lectin-glycan interactions are key to cellular communication.
  • Programmable nanoparticles offer a powerful tool for decoding these interactions.