Colonization by H. pylori is associated with a wide range of gastric diseases, ranging from superficial gastritis to more severe pathologies, including intestinal metaplasia and adenocarcinoma. The interplay of the host response and the pathogen affect the outcome of disease. One major component ...

The main objective of this GWA study is to identify Multiple Sclerosis (MS) susceptibility loci. Whole-genome association analysis was performed on 924 individuals genotyped on the Affymetrix 6.0 Genechip. The cohort consisted of 860 clinically diagnosed MS patients and 64 control subjects.

This is a multi-centre, case-controlled study to develop a dataset containing 1000 MS cases and 1000 matched controls and to associate DNA sequence (allelic) variations with MS phenotypes.

Study subjects were enrolled through a prospective effort initiated in 2003. Three MS clinical ce...