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Factor V Leiden and the etiology of inflammatory bowel disease

C Arnold Spek1, Fiebo J W ten Kate, Anje A te Velde

  • 1Center for Experimental and Molecular Medicine, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands. c.a.spek@amc.uva.nl

Thrombosis and Haemostasis
|September 13, 2007
PubMed

Insights

This study investigated if blood clotting influences inflammatory bowel disease (IBD). Results show the FV Leiden gene mutation did not impact colitis symptoms in mice, questioning blood coagulation

Area of Science:

  • Gastroenterology
  • Hematology
  • Immunology

Background:

  • Inflammatory bowel disease (IBD), encompassing ulcerative colitis and Crohn's disease, is linked to a threefold increased risk of venous thrombosis.
  • Thromboembolic events are a major cause of morbidity and mortality in IBD patients.
  • The role of blood coagulation activation in IBD etiology and pathogenesis remains unclear.

Purpose of the Study:

  • To investigate the hypothesis that activated blood coagulation exacerbates the development of IBD.
  • To determine the effect of the FV Leiden genotype on a model of DSS-induced colitis.

Main Methods:

  • Wildtype and homozygous FV Leiden mice were subjected to DSS-induced colitis.
  • Colitis was assessed by measuring body weight, colon length and weight, and histological changes.
  • The impact of the FV Leiden genotype on colitis severity was evaluated.

Main Results:

  • DSS-induced colitis caused significant symptoms including weight loss, colon shortening, ulcerations, edema, crypt loss, fibrosis, and inflammation.
  • The FV Leiden genotype did not significantly alter any of the DSS-induced colitis symptoms.
  • This suggests the FV Leiden allele has no effect on experimental murine colitis.

Conclusions:

  • The FV Leiden allele does not influence the severity of experimental murine colitis.
  • These findings question the significance of activated blood coagulation in the etiology or pathogenesis of IBD.
  • Further research is needed to elucidate the complex relationship between thrombosis and IBD.

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