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Gastrin is a linear peptide hormone produced by G cells of the duodenum and in the pyloric antrum of the stomach.It is secreted into the bloodstream. The encoded polypeptide is preprogastrin, which is cleaved by enzymes in posttranslational modification to produce progastrin (an intermediate, inactive precursor) and then gastrin in various forms, primarily the following three:
Gastritis is the inflammation of the lining of the stomach. [1] It may occur as a short episode or may be of a long duration. [1] There may be no symptoms but, when symptoms are present, the most common is upper abdominal pain (see dyspepsia). [1]
Symptoms include abdominal pain and diarrhea. The syndrome is caused by the formation of a gastrinoma, a neuroendocrine tumor that secretes a hormone called gastrin. [2] High levels of gastrin in the blood (hypergastrinemia) trigger the parietal cells of the stomach to release excess gastric acid. The excess gastric acid causes peptic ulcer ...
Treating allergy symptoms with over-the-counter medication, saline spray, and, if warranted, allergy medication or injections from your doctor, may also help reduce GI symptoms as a result.
Most abdominal pain isn't a concern, but you shouldn't ignore it either. Look for these red flags.
Abdominal pain, also known as a stomach ache, is a symptom associated with both non-serious and serious medical issues. Since the abdomen contains most of the body's vital organs, it can be an indicator of a wide variety of diseases.
It is a well-known saying among young women on TikTok that “hot girls have stomach issues.” Turns out, Drake does too. The Grammy-winning rapper shared in a Friday episode of his radio show ...
Gastrinoma in the early stages will have signs and symptoms of indigestion [3] or similar to irritable bowel disease (IBD) such as: Hypergastrinemia [3] Refractory or recurrent peptic ulcers involving duodenum [3] Chronic diarrhea [7] [2] [3] Generalized cancer symptoms; Abdominal pain [3] Gastrointestinal bleeding [3] Obstruction of intestine [8]