BVES is required for maintenance of colonic epithelial integrity in experimental colitis by modifying intestinal permeability

Jun 17, 2018Mucosal immunology

BVES helps keep the colon lining intact in colitis by controlling gut leakiness

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Abstract

Bvesmice demonstrate greater colonic injury and altered immune responses following infection with Citrobacter rodentium.

  • At baseline, Bvesmouse colons show increased crypt height, elevated cell proliferation, and decreased cell death.
  • Bvesmice exhibit dysregulated tight junctions, leading to functional deficits in intestinal permeability and altered immunity.
  • Inoculation with Citrobacter rodentium results in greater bacterial colonization and translocation in Bvesmice.
  • Treatment with dextran sodium sulfate (DSS) leads to increased histologic injury in Bvesmice compared to controls.
  • Human ulcerative colitis biopsy specimens show reduced levels of BVES mRNA, indicating its potential protective role in colonic health.

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