Blood group antigens represent polymorphic traits inherited among individuals and
populations. At present, there are 34 recognized human blood groups and hundreds of …

Several studies of Helicobacter pylori infection have examined identification of new
infections and loss of existing infections over time. These studies bring additional …

Helicobacter pylori is associated with development of gastritis, gastric ulcers, and
adenocarcinomas in humans. The Lewisb (Leb) blood group antigen mediates H. pylori …

BACKGROUND AND AIMS: It is not known why some people with Helicobacter pylori
infection develop gastric cancer whereas others do not. Whether the CagA phenotype of H …

Synthesis of soluble A, B, H, and Lewis b blood group antigens in humans is determined by
the Secretor (Se)(FUT2) blood group locus. Genetic, biochemical, and molecular analyses …

Some people are resistant to Norwalk virus (NV) infection; however, the factor (s)
responsible for resistance or susceptibility to NV infection has not been identified. This study …

Blood group A was found to be associated with gastric cancer in the 1950s. Strikingly, for
peptic ulcers an increased risk has been shown for blood group O. However, previous …

BACKGROUND & AIMS: A limited number of genetic risk factors have been reported in
primary sclerosing cholangitis (PSC). To discover further genetic susceptibility factors for …

The blood group antigens have been dismissed by some researchers as merely 'icing on the
cake'of glycoprotein structures. The fact that there are no lethal mutations and individuals …

The fucosylated ABH antigens, which constitute the molecular basis for the ABO blood group
system, are also expressed in salivary secretions and gastrointestinal epithelia in individuals …