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Fucosylated Molecul...
Fucosylated Molecules Competitively Interfere with Cholera Toxin Binding to Host Cells
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- Wands, Amberlyn M. (author)
- UT Southwestern Medical School
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- Cervin, Jakob (author)
- Gothenburg University,Göteborgs universitet,Institutionen för biomedicin, avdelningen för mikrobiologi och immunologi,Institute of Biomedicine, Department of Microbiology and Immunology
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- Huang, He (author)
- Stony Brook University
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- Zhang, Ye (author)
- Stony Brook University
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- Youn, Gyusaang (author)
- Stony Brook University
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- Brautigam, Chad A. (author)
- University of Texas at Dallas
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- Matson Dzebo, Maria, 1985 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Björklund, Per (author)
- Gothenburg University,Göteborgs universitet,Institutionen för kliniska vetenskaper, Avdelningen för gastrokirurgisk forskning och utbildning,Institute of Clinical Sciences, Department of Gastrosurgical Research and Education
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- Wallenius, Ville, 1970 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för kliniska vetenskaper, Avdelningen för gastrokirurgisk forskning och utbildning,Institute of Clinical Sciences, Department of Gastrosurgical Research and Education
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- Bright, Danielle K. (author)
- Tufts University
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- Bennett, Clay S. (author)
- Tufts University
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- Wittung Stafshede, Pernilla, 1968 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Sampson, Nicole S. (author)
- Stony Brook University
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- Yrlid, Ulf, 1971 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för biomedicin, avdelningen för mikrobiologi och immunologi,Institute of Biomedicine, Department of Microbiology and Immunology
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- Kohler, Jennifer J. (author)
- UT Southwestern Medical School
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(creator_code:org_t)
- 2018-02-07
- 2018
- English.
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In: ACS Infectious Diseases. - : American Chemical Society (ACS). - 2373-8227. ; 4:5, s. 758-770
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https://europepmc.or...
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Abstract
Subject headings
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- Cholera toxin (CT) enters host intestinal epithelia cells, and its retrograde transport to the cytosol results in the massive loss of fluids and electrolytes associated with severe dehydration. To initiate this intoxication process, the B subunit of CT (CTB) first binds to a cell surface receptor displayed on the apical surface of the intestinal epithelia. While the monosialoganglioside GM1 is widely accepted to be the sole receptor for CT, intestinal epithelial cell lines also utilize fucosylated glycan epitopes on glycoproteins to facilitate cell surface binding and endocytic uptake of the toxin. Further, l-fucose can competively inhibit CTB binding to intestinal epithelia cells. Here, we use competition binding assays with l-fucose analogs to decipher the molecular determinants for l-fucose inhibition of cholera toxin subunit B (CTB) binding. Additionally, we find that mono- and difucosylated oligosaccharides are more potent inhibitors than l-fucose alone, with the LeY tetrasaccharide emerging as the most potent inhibitor of CTB binding to two colonic epithelial cell lines (T84 and Colo205). Finally, a non-natural fucose-containing polymer inhibits CTB binding two orders of magnitude more potently than the LeY glycan when tested against Colo205 cells. This same polymer also inhibits CTB binding to T84 cells and primary human jejunal epithelial cells in a dose-dependent manner. These findings suggest the possibility that polymeric display of fucose might be exploited as a prophylactic or therapeutic approach to block the action of CT toward the human intestinal epithelium.
Subject headings
- NATURVETENSKAP -- Biologi -- Cellbiologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Cell Biology (hsv//eng)
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Immunologi inom det medicinska området (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Immunology in the medical area (hsv//eng)
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinsk bioteknologi -- Medicinsk bioteknologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Medical Biotechnology -- Medical Biotechnology (hsv//eng)
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Mikrobiologi inom det medicinska området (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Microbiology in the medical area (hsv//eng)
Keyword
- ring-opening metathesis polymerization (ROMP)
- gangliosides
- glycoproteins
- human milk oligosaccharides (HMOs)
- fucose
- cholera toxin
Publication and Content Type
- art (subject category)
- ref (subject category)
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- By the author/editor
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Wands, Amberlyn ...
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Cervin, Jakob
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Huang, He
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Zhang, Ye
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Youn, Gyusaang
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Brautigam, Chad ...
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show more...
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Matson Dzebo, Ma ...
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Björklund, Per
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Wallenius, Ville ...
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Bright, Danielle ...
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Bennett, Clay S.
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Wittung Stafshed ...
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Sampson, Nicole ...
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Yrlid, Ulf, 1971
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Kohler, Jennifer ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Biological Scien ...
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and Cell Biology
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- MEDICAL AND HEALTH SCIENCES
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MEDICAL AND HEAL ...
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and Basic Medicine
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and Immunology in th ...
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- MEDICAL AND HEALTH SCIENCES
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MEDICAL AND HEAL ...
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and Medical Biotechn ...
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and Medical Biotechn ...
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- MEDICAL AND HEALTH SCIENCES
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MEDICAL AND HEAL ...
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and Basic Medicine
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and Microbiology in ...
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ACS Infectious D ...
- By the university
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Chalmers University of Technology
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University of Gothenburg