Acute intermittent porphyria (AIP) is one of the liver (hepatic) porphyrias. AIP is caused by low levels of porphobilinogen deaminase (PBGD), an enzyme also often called hydroxymethylbilane synthase.
H. Pylori is a bacteria that actively suppresses the production of stomach acid. It has two cell walls, which makes it twice as difficult for the body to fight off. Itâs also a parasite, and is easily passed from person to person via saliva.he Dangers of H. Pylori. H Pylori infections lead to many larger health problems. Itâs tied to serious health hazards such as irritable bowel syndrome (IBS), chronic heartburn, gastritus, and gastroesophageal reflux disease (GERD).
1 In the 1980s a new bacteria Helicobacter pylori (H.pylori), was discovered in patients with gastritis, a precursor to stomach cancer. 2  NCI has supported basic research to solidify the link between H. pylori infections and stomach cancer and to help develop prevention strategies.tomach cancer is the fourth most common cancer worldwide and the second most common cause of cancer death globally. The connection between H. pylori infection and stomach cancer fueled a need for noninvasive screening methods for the bacteria.