A polypeptide hormone that occurs naturally in three forms and is expressed by G cells of the stomach antrum and in a subset of pancreatic islet cell tumors (gastrinomas). This antibody labels gastrin or gastrin-analogue producing cells in gastrin-secreting tumors and G cell hyperplasia.
A formalin-fixed, paraffin-embedded (FFPE) tissue block is preferred specimen type orOne (1) unbaked, unstained slide for H&E staining (required) and two to three (2-3) positively charged unstained slides (all cut at 4-5 microns) for each test/antibody orderedBlock and slide identifiers should be clearly written and match exactly with the specimen ID and specimen labeling as noted on the requisition.
Use cold pack for transport. Make sure cold pack is not in direct contact with specimen.