S D Cesareo

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AIMS To examine the potential role of the lipolytic enzyme phospholipase A2, produced by Helicobacter pylori in ulcer formation. METHODS Phospholipase A2 activity in H pylori was compared with that in 10 commonly occurring pathogenic bacteria. Phospholipase A2 activity and its cytotoxic metabolite, lysolecithin, in the basal gastric aspirates of 12(More)
The urease proteins of the jack bean (Canavalia ensiformis) and Helicobacter pylori are similar in molecular mass when separated by non-denaturing gradient polyacrylamide gel electrophoresis, both having three main forms. The molecular mass of their major protein form is within the range 440-480 kDa with the other two lesser forms at 230-260 kDa and 660-740(More)
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