Research Article

Comparison of the Serological Reactivity of Lipopolysaccharides from Japanese and Western Strains of Helicobacter pylori to Sera from H. pylori-Positive Humans

Table 1

Reactivity of LPS from Japanese and Western H. pylori strains against anti-Lewis antigen monoclonal antibodies and H. pylori-positive sera from Japanese individuals.

LPS from Silver stain Reactivity of anti-Lewis antigen antibody Reactivity of human sera
LexLeyLeaLebType AaType Bb

Western strain
 NCTC11637Rough
 SydneySmooth++
 26695Smooth++
 O:2Smooth
Japanese strain
 GU2Smooth+++
 DU1Smooth++++
 CA2Smooth++
 CA4Smooth+++
 CA5Smooth+++

a T ype A sera only reacted with the highly antigenic epitope containing LPS;bTypeB sera only reacted with the weakly antigenic epitope containing LPS.