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Related Concept Videos

Glycocalyx and its Functions01:14

Glycocalyx and its Functions

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The glycocalyx is a carbohydrate-rich, fuzzy-appearing layer on the outer surface of the cell membrane. It is highly hydrophilic, because of this it attracts large amounts of water to the cell's surface. This aids the cell's interaction with the watery environment and also helps it to obtain substances dissolved in the water. It is also important for cell identification, self/non-self determination, and embryonic development and is used in cell-to-cell attachments to form tissues.
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Glycosaminoglycans01:23

Glycosaminoglycans

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Glycosaminoglycans (GAGs), also known as mucopolysaccharides, are long and linear polymers comprising of specific repeating disaccharides - the amino sugar that can be N-acetylglucosamine or N-acetylgalactosamine, and a uronic acid that is usually glucuronic acid or iduronic acid.
GAGS are found in the extracellular matrix of vertebrates, invertebrates, and bacteria. Due to their polar nature they attract water, and serve as excellent lubricants or shock absorbers in an animal body.
Hyaluronic...
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Proteoglycans01:05

Proteoglycans

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Glycans, a class of complex heterogeneous molecules, can be covalently attached to proteins to form glycosylated proteins that regulate various physiological and pathological processes. Glycosylated proteins or glycoproteins comprise N-linked and O-linked oligosaccharides. O-glycosylation is the most common type of protein glycosylation. Here, glycans attach to the oxygen atom of the hydroxyl groups of Serine or Threonine residues. O-linked glycosylation occurs later in protein processing,...
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Defense Against Bacterial Pathogens01:31

Defense Against Bacterial Pathogens

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The human immune system is a complex network of cells, tissues, and organs that work together to defend the body against bacterial infections. It consists of various immune cells, each playing a specific role in the defense mechanism.
Phagocytes
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Matrix Proteoglycans and Glycoproteins01:21

Matrix Proteoglycans and Glycoproteins

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Proteoglycans are extensively glycosylated proteins, commonly found in the extracellular matrix, interwoven with collagen fibers. Hyaline cartilage, the most common type of cartilage in the body, consists of short and dispersed collagen fibers associated with large amounts of proteoglycans. These proteoglycans have long negative charges that attract cations, which in turn attract water molecules. This influx of ions and water molecules swells up the proteoglycan like a water-soaked gel that can...
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Antimicrobial Proteins01:23

Antimicrobial Proteins

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Antimicrobial proteins are important components of the immune system. They aid the body in combating pathogens by either killing them directly or hindering their replication processes. Four main types of antimicrobial substances are interferons, the complement system, iron-binding proteins, and antimicrobial proteins.
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High-throughput Identification of Bacteria Repellent Polymers for Medical Devices
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High-throughput Identification of Bacteria Repellent Polymers for Medical Devices

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Glycopolymers against pathogen infection.

Ulla I M Gerling-Driessen1, Miriam Hoffmann1, Stephan Schmidt1,2

  • 1Institute of Organic Chemistry and Macromolecular Chemistry, Heinrich-Heine-University Düsseldorf, Universitätsstr. 1, 40225 Düsseldorf, Germany. laura.hartmann@hhu.de.

Chemical Society Reviews
|February 23, 2023
PubMed
Summary
This summary is machine-generated.

Glycopolymers, synthetic macromolecules presenting carbohydrates, offer tunable properties for combating pathogens. They are effective in preventing pathogen adhesion, disrupting biofilms, and enabling targeted drug delivery and diagnostics.

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Area of Science:

  • Microbiology and Biomaterials Science
  • Focuses on the intersection of pathogen-host interactions and synthetic macromolecular design.

Background:

  • Pathogens utilize host cell surface glycans for adhesion, a critical early step in infection.
  • Glycan-based strategies have emerged as promising diagnostics and therapeutics against infections.

Purpose of the Study:

  • To review the role of glycopolymers in pathogen adhesion, infection, and biofilm management over the last decade.
  • To explore the application of glycopolymers in drug delivery and as diagnostic tools for pathogen detection.

Main Methods:

  • Literature review of studies published in the past ten years.
  • Analysis of research focusing on glycopolymers' effects on pathogen engagement and infection processes.

Main Results:

  • Glycopolymers demonstrate significant potential in inhibiting pathogen adhesion and invasion.
  • These compounds are effective in biofilm formation prevention and removal.
  • Glycopolymers show promise for targeted drug delivery and sensitive pathogen diagnostics.

Conclusions:

  • Glycopolymers represent a versatile platform for developing novel anti-infective strategies.
  • Their tunable nature allows for tailored applications in diagnostics, therapeutics, and infection control.