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Advances in methods to evaluate gastrointestinal transport function.

D M Albin¹, K A Tappenden

¹Division of Nutritional Sciences and Department of Food Science and Human Nutrition, University of Illinois at Urbana-Champaign, Urbana, Illinois, USA.

Current Opinion in Clinical Nutrition and Metabolic Care

|September 25, 2001

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Nutrient malabsorption contributes to malnutrition. This review details innovative in vivo, ex vivo, cellular, and molecular methods for studying gastrointestinal transport function and nutrient absorption.

Area of Science:

Gastroenterology and Nutrition Science
Physiology
Methodology Development

Background:

Malnutrition is a significant global health issue.
Nutrient malabsorption is a key contributing factor to malnutrition.
Understanding gastrointestinal transport is crucial for addressing malnutrition.

Purpose of the Study:

To provide a comprehensive overview of innovative methods for studying gastrointestinal transport function.
To categorize and evaluate recent advancements in assessing nutrient absorption.
To highlight the evolution of techniques from historical models to modern molecular approaches.

Main Methods:

Categorization of methods into in vivo, ex vivo, isolated cells/membranes, and molecular biology approaches.

Related Experiment Videos

Description of in vivo techniques including animal/human models, catheterized models, and luminal fluid sampling.

Explanation of ex vivo techniques like everted sleeves and Ussing chambers, alongside cellular and molecular biology tools.

Main Results:

Methodological advancements have significantly improved the assessment of gastrointestinal function.
A diverse range of techniques are available, catering to different research needs and settings.
The review evaluates the utility and scope of various innovative methods.

Conclusions:

Continuous innovation in methodologies enhances our ability to study gastrointestinal transport.
These advanced methods are vital for understanding nutrient malabsorption and developing strategies against malnutrition.
The comprehensive overview aids researchers in selecting appropriate techniques for their studies.