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Updated: Aug 10, 2026
06:09
Quantification of Proteins Using Peptide Immunoaffinity Enrichment Coupled with Mass Spectrometry
Published on: July 31, 2011
[Clinical value of determining pepsinogen I]
Schweizerische Medizinische Wochenschrift
|December 8, 1984
Summary
Serum levels of Pepsinogen I (PG I) can help diagnose gastric conditions. High PG I indicates ulcers, while low levels suggest atrophic gastritis or anemia, aiding in distinguishing acid levels.
Area of Science:
- Gastroenterology
- Clinical Biochemistry
Context:
- Serum levels of Pepsinogen I (PG I) and gastrin are valuable biomarkers.
- These markers are analyzed in healthy individuals and various clinical conditions.
Purpose:
- To establish normal ranges for PG I and gastrin.
- To evaluate their diagnostic utility in differentiating gastric diseases and acid secretion states.
Summary:
- PG I levels are elevated in duodenal, gastric, and pyloric ulcers, and in renal insufficiency and Zollinger-Ellison syndrome.
- Conversely, PG I is decreased in atrophic gastritis, alcoholic cirrhosis, Biermer anemia, and post-gastrectomy.
- PG I effectively distinguishes between hypergastrinemia with hypoacidity (Biermer anemia) and hypergastrinemia with hyperacidity (Zollinger-Ellison syndrome), indicating its role as an indicator of gastric hypoacidity.
Impact:
- PG I serves as a reliable indicator for gastric hypoacidity.
- Its diagnostic performance in distinguishing ulcer subjects from normal individuals is comparable to acid output measurements.
- This research aids in the non-invasive diagnosis and management of various gastrointestinal disorders.
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