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Related Experiment Video

Updated: Dec 29, 2025

Activation and Conjugation of Soluble Polysaccharides using 1-Cyano-4-Dimethylaminopyridine Tetrafluoroborate CDAP

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Published on: June 14, 2021

Routine disaccharidase testing: are we there yet?

Antone R Opekun^1,2,3, Bruno P Chumpitazi^2,3, Mustafa M Abdulsada¹

¹Department of Medicine.

Current Opinion in Gastroenterology

|January 29, 2020

Summary

Disaccharidase testing aids in diagnosing gastrointestinal issues like functional bowel disorders. While not routine, it can guide management for carbohydrate maldigestion and related symptoms.

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Area of Science:

Gastroenterology
Digestive Health
Clinical Diagnostics

Background:

Disaccharidase testing is underutilized in diagnosing gastrointestinal disturbances.
Carbohydrate maldigestion can impact functional bowel disorders and the gut microbiome.

Purpose of the Study:

To evaluate the clinical utility of disaccharidase testing.
To explore how disaccharidase test results can influence patient management.

Main Methods:

Review of diagnostic techniques including enzyme assays, immunohistochemistry, breath testing, and genetic testing.
Analysis of sucrase-isomaltase gene variants and deficiency prevalence.

Main Results:

Disaccharidase deficiencies are more common than previously recognized.
Testing plays a role in evaluating unexplained abdominal discomfort and symptoms.

Conclusions:

Disaccharidase testing is valuable for symptom evaluation but faces accuracy and logistical challenges.
Improved testing methods are needed to guide patient management, dietary changes, and enzyme supplementation.