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B-glucuronidase in duodenal secretions
The American Journal of Gastroenterology
|September 1, 1975
Summary
Beta-glucuronidase (BG) activity in duodenal contents was measured in 203 subjects. Assays showed significant overlap between healthy individuals and those with pancreatic diseases, rendering BG activity unreliable for diagnosing pancreatic cancer.
Area of Science:
- Biochemistry
- Gastroenterology
- Oncology
Background:
- Beta-glucuronidase (BG) is an enzyme found in various tissues and bodily fluids.
- Elevated BG activity has been investigated as a potential biomarker for certain diseases, including pancreatic cancer.
Purpose of the Study:
- To evaluate the diagnostic utility of BG activity in duodenal contents for pancreatic cancer.
- To determine if BG activity can differentiate between pancreatic cancer and other pancreatic diseases.
Main Methods:
- A modified assay technique utilizing glass column chromatography and Sephadex was employed.
- BG activity was quantified in the duodenal contents of 203 subjects, comprising 60 controls and 143 patients with various pancreatic conditions.
Main Results:
- While the lowest mean BG activity was observed in patients with pancreatic cancer, a wide range of activity was found across all subject groups.
- Significant overlap in BG activity values was noted between healthy controls and patients with pancreatic diseases, including cancer.
Conclusions:
- BG activity assay of duodenal contents is not a valuable diagnostic tool for identifying pancreatic cancer.
- The considerable overlap in BG activity values prevents its use in distinguishing pancreatic cancer from other pancreatic diseases.