Oral Intralipid Tolerance Test
Oral Intralipid Tolerance Test - Related Videos
02:23
Oral Glucose Tolerance Test (OGTT): Measuring Glucose Metabolism in Mice
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2023
This video introduces how to perform an oral glucose tolerance test on a laboratory mouse.
08:13
Study of In Vivo Glucose Metabolism in High-fat Diet-fed Mice Using Oral Glucose Tolerance Test (OGTT) and Insulin Tolerance Test (ITT)
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Cited by 151 •
2018
The current article describes the generation and metabolic characterization of high-fat diet-fed mice as a model of diet-induced insulin resistance and obesity. It further features detailed protocols to perform the oral glucose tolerance test and the insulin tolerance test, monitoring whole-body alterations of glucose metabolism in vivo.
04:28
Utilizing an Orally Dissolving Strip for Pharmacological and Toxicological Studies: A Simple and Humane Alternative to Oral Gavage for Animals
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Cited by 4 •
2016
The following protocol describes a novel method for chronic oral drug administration using an orally dissolving strip (ODS) in lieu of the more commonly used oral gavage method. We demonstrate that preclinical, oral drug delivery using the ODS method represents a safe, convenient, and humane alternative to oral gavage.
02:54
Exposing a Synthetic Oral Bacterial Community to Simulated Phases of Digestion
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2025
Source: Arroyo, M. C., et al. Assessing the Viability of a Synthetic Bacterial Consortium on the In Vitro Gut Host-microbe Interface. J. Vis. Exp. (2018)This video demonstrates the viability assessment of a synthetic oral microbial community during simulated oral, gastric, and intestinal digestion. Bacterial survival is quantified after each phase, revealing a progressive decline due to digestive stress.
01:17
Salinity Tolerance of Alishewanella Species Isolated from Seawall Muddy Water
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2025
Begin with a culture of Alishewanella, a Gram-negative, salt-tolerant bacterium.Next, streak the culture onto agar plates containing increasing concentrations of sodium chloride to simulate varying levels of saline stress.Overlay each plate with a layer of unsolidified medium to prevent oxygen diffusion and maintain the culture in an oxygen-limited environment.Seal and incubate the plates at an optimum temperature to support bacterial growth.During incubation, the bacterium exhibits varying...
FAQs
The timed triglyceride profile shows how circulating fat changes after the oral lipid load. Investigators can examine the magnitude of the rise and the subsequent clearance pattern, using both features to characterize fat absorption and metabolism. Differences in these responses may indicate altered postprandial processing and provide a basis for comparing metabolic function between individuals or study groups.
Blood measurements describe the metabolic response, whereas symptom monitoring addresses gastrointestinal tolerance. Recording both types of information helps distinguish an individual’s ability to tolerate the administered lipid from the way that lipid appears and clears in circulation. This combined assessment gives clinical or research investigators a broader view of the response than either symptom reports or triglyceride data alone.
A standardized oral lipid load creates a more consistent challenge across participants or study conditions. Consistent administration supports meaningful comparison of symptoms, timed triglyceride concentrations, and overall response profiles. Without that common stimulus, differences could be harder to attribute to gastrointestinal tolerance or fat handling rather than to variation in the challenge itself.
The procedure evaluates two related but separate outcomes: reported gastrointestinal tolerance and the postprandial blood lipid response. A participant may provide symptom information while also showing a particular triglyceride rise or clearance pattern. Considering these measures together helps investigators characterize whether group differences involve tolerance, lipid absorption, metabolism, or a combination of these features.
The procedure begins with administration of a standardized oral Intralipid load. Investigators then monitor the participant for gastrointestinal symptoms and collect physiological measurements at defined times, commonly including blood lipid concentrations. The resulting sequence of observations is used to describe the triglyceride response from its post-load rise through its clearance, while also documenting tolerance during the challenge.
The response pattern provides information about postprandial fat handling rather than only a single lipid value. Investigators can assess how circulating triglycerides change after the load and how they subsequently decline. This profile supports characterization of lipid absorption and metabolism, making it useful for identifying differences in metabolic function across participants or experimental groups.
Researchers can apply the test when studying conditions associated with altered fat processing, including obesity, diabetes, dyslipidemia, and related disorders. Its standardized challenge framework allows investigators to compare metabolic responses between groups and examine gastrointestinal tolerance alongside circulating triglyceride behavior. In medicine, that combination supports research into how these conditions affect postprandial lipid handling.