Cystic Monolayer Isolation

Cystic monolayer isolation is a cell-biology technique used to obtain a continuous epithelial layer from a cyst, a fluid-filled, polarized structure, for controlled laboratory study. The method separates cysts from surrounding material and opens or dissociates them under conditions that preserve epithelial organization, including cell-cell contacts, apical-basal polarity, and barrier properties. Isolated monolayers provide a simplified model for examining epithelial transport, permeability, morphology, and responses to experimental treatments. In biology research, this approach can help characterize tissue function, investigate disease-associated changes, and evaluate compounds in a controlled, physiologically relevant cell system.

Cystic Monolayer Isolation - Related Videos

Education

JoVE Core - Pharmacology

Cystic Fibrosis: Pathogenesis

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2024

Cystic fibrosis (CF), an autosomal recessive disorder, significantly affects the function of exocrine glands. This genetically inherited disease is characterized by the production of thick and sticky mucus, which can severely affect various organs and systems in the body. CF is primarily caused by a genetic mutation in a chromosome 7 gene coding for the cystic fibrosis transmembrane conductance regulator (CFTR) protein. The most common gene mutation leading to CF is the ΔF508 mutation, but...

Research

JoVE EoE - Bacterial Growth and Techniques

Assessing Transcytosis of E. coli Across Intestinal Epithelial Monolayers

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2025

Source: Islam, A., et al., Assessment of Intestinal Transcytosis of Neonatal Escherichia coli Bacteremia Isolates. J. Vis. Exp. (2023)This video demonstrates the procedure for assessing transcytosis of neonatal Escherichia coli across intestinal epithelial monolayers using transwell inserts, electrical resistance measurement, and bacterial quantification.

Research

JoVE Journal - Biology
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Expression and Purification of the Cystic Fibrosis Transmembrane Conductance Regulator Protein in Saccharomyces cerevisiae

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Cited by 19 •

2012

Attempts to express the cystic fibrosis transmembrane conductance regulator (CFTR) in Saccharomyces cerevisiae have, until now, yielded relatively low amounts of protein. This protocol and the associated reagents distributed via the Cystic Fibrosis Foundation should allow the preparation of milligram amounts of this 'difficult' eukaryotic membrane protein.

Synthesis, Assembly, and Characterization of Monolayer Protected Gold Nanoparticle Films for Protein Monolayer Electrochemistry

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Cited by 1 •

2011

Alkanethiolate stabilized gold colloids known as monolayer protected clusters (MPCs) are synthesized, characterized, and assembled into thin films as an adsorption interface for protein monolayer electrochemistry of simple redox protein like Pseudomonas aeruginosa azurin (AZ) and cytochrome c (cyt c).

Research

JoVE Journal - Biology
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Purification of the Cystic Fibrosis Transmembrane Conductance Regulator Protein Expressed in Saccharomyces cerevisiae

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Cited by 21 •

2014

Heterologous expression and purification of the cystic fibrosis transmembrane conductance regulator (CFTR) are significant challenges and limiting factors in the development of drug therapies for cystic fibrosis. This protocol describes two methods for the isolation of milligram quantities of CFTR suitable for functional and structural...

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