Maria Anderson | Aug 19, 2001 | 8 min read
In 1996 geneticist Gilles Thomas and colleagues at the INSERM, the French Institute for Health and Medical Research in Paris, reported that IBD1, a region on the long arm of chromosome 16, was a Crohn's disease susceptibility locus.1 Five years later, in a second study, they announced that they had pinpointed the exact gene. The researchers contended that the connection between Crohn's and NOD2, the implicated gene located in IBD1, provided evidence to support the hypothesis that the disease is