Rat Small Intestine
Rat Small Intestine - Related Videos
09:49
Generation and Manipulation of Rat Intestinal Organoids
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Cited by 10 •
2023
Here, we present a protocol to generate rat intestinal organoids and use them in several downstream applications. Rats are often a preferred preclinical model, and the robust intestinal organoid system fills the need for an in vitro system to accompany in vivo studies.
03:48
Effects of Desmodium caudatum on Gastrointestinal Hormones and Intestinal Flora in Rats with Gastritis
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Cited by 1 •
2024
The present protocol describes the method for analyzing intestinal flora using Illumina-based 16S rRNA gene sequencing and provides a framework for evaluating the effectiveness of herbal decoctions.
13:17
The Mesenteric Lymph Duct Cannulated Rat Model: Application to the Assessment of Intestinal Lymphatic Drug Transport
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Cited by 55 •
2015
Here we describe a technique to cannulate the mesenteric lymph duct in rats which enables quantification of lipid and drug transport via the lymphatic system following intestinal delivery. The technique can be adapted to assess mesenteric lymph concentrations and/or transport of fluid, immune cells, peptides, proteins and lipophilic molecules.
10:58
A Protocol for Lentiviral Transduction and Downstream Analysis of Intestinal Organoids
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Cited by 81 •
2015
In this video protocol we give a step by step explanation of lentiviral transduction in organoids of primary intestinal epithelium and of processing and downstream analysis of these cultures by quantitative RT-PCR, RNA-microarray and immunohistochemistry.
05:38
Generation of Apical-Out Intestinal Organoids and Assessment of Organoid Proliferation Rate Using EdU-Labeling
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Cited by 1 •
2025
Here, we describe a protocol for generating apical-out intestinal organoids from standard matrix-embedded organoid cultures. It also outlines the subsequent incorporation of EdU into actively proliferating cells and the semiautomatic quantification of EdU-positive cells.
FAQs
The villus-crypt architecture creates distinct structural features for bioengineering studies. Villi expand the mucosal surface available for interactions with the intestinal lumen, whereas crypts contribute to the folded organization of the lining. Examining how an engineered material or construct relates to these regions can help assess whether it preserves relevant intestinal organization.
Epithelial cells provide a functional interface for testing how biomaterials interact with the intestinal lining. Their regulation of nutrient transport and barrier exchange allows researchers to examine whether a material supports or disrupts key epithelial activities. This information is especially relevant when assessing scaffolds, drug delivery platforms, or repair strategies intended to contact intestinal tissue.
A rat small intestine experiment can clarify host-material interactions by placing engineered strategies in the context of intestinal tissue organization and epithelial function. Researchers can consider how biomaterials, scaffolds, or delivery platforms relate to the mucosal lining and underlying tissue. These observations help identify whether a design is compatible with the biological features it is meant to support.
Researchers may select rat small intestine when they need a biological model for evaluating intestinal repair, engineered scaffolds, biomaterials, or drug delivery platforms. Its organized mucosal lining and epithelial functions provide context that an isolated material cannot supply alone. The model therefore helps connect material performance with intestinal structure, transport, and barrier exchange.
This model supports evaluation of whether engineered scaffolds and biomaterials interact appropriately with intestinal structure and function. Investigators can focus on relationships with the folded mucosa, villi, crypts, epithelial nutrient transport, and barrier exchange. Such assessments provide evidence about host-material compatibility and whether a design merits consideration for intestinal tissue repair or regeneration.
Findings from rat small intestine studies can guide the design of more physiologically relevant intestinal constructs. Observations of mucosal organization, epithelial behavior, and host-material interactions identify biological features that engineered systems should better represent. This connection helps bioengineers refine scaffolds, delivery platforms, and regenerative strategies so they more closely reflect the intestinal environment.