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Related Concept Videos

Cystic Fibrosis: Pathogenesis01:23

Cystic Fibrosis: Pathogenesis

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...

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Functional Reconstitution and Channel Activity Measurements of Purified Wildtype and Mutant CFTR Protein
09:59

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Published on: March 9, 2015

Introduction to section IV: biophysical methods to approach CFTR structure.

Juan L Mendoza1, André Schmidt, Philip J Thomas

  • 1Department of Physiology, University of Texas Southwestern Medical Center, Dallas, TX 75390-9040, USA.

Methods in Molecular Biology (Clifton, N.J.)
|May 20, 2011
PubMed
Summary

Cystic fibrosis arises from misfolded CFTR protein. Understanding CFTR structure is crucial for developing targeted therapies, overcoming challenges in high-resolution structural determination.

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Last Updated: Jun 1, 2026

Functional Reconstitution and Channel Activity Measurements of Purified Wildtype and Mutant CFTR Protein
09:59

Functional Reconstitution and Channel Activity Measurements of Purified Wildtype and Mutant CFTR Protein

Published on: March 9, 2015

Purification of the Cystic Fibrosis Transmembrane Conductance Regulator Protein Expressed in Saccharomyces cerevisiae
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Purification of the Cystic Fibrosis Transmembrane Conductance Regulator Protein Expressed in Saccharomyces cerevisiae

Published on: May 10, 2014

In Vitro Analysis of PDZ-dependent CFTR Macromolecular Signaling Complexes
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In Vitro Analysis of PDZ-dependent CFTR Macromolecular Signaling Complexes

Published on: August 13, 2012

Area of Science:

  • Biochemistry
  • Structural Biology
  • Molecular Medicine

Background:

  • Cystic fibrosis is primarily caused by the inefficient folding of the Cystic Fibrosis Transmembrane conductance Regulator (CFTR) protein into its functional 3D structure.
  • Understanding the structural context of CFTR mutations is essential for developing targeted therapeutic strategies for cystic fibrosis.

Discussion:

  • High-resolution structural determination of intact CFTR using X-ray crystallography has been challenging due to its large size, polytopic membrane nature, and presence of disordered regions.
  • Current research focuses on overcoming these structural determination obstacles.
  • Novel methodologies including Nuclear Magnetic Resonance (NMR), electron microscopy (EM), and computational approaches are being employed.

Key Insights:

  • Knowledge of CFTR's structure and mutation sites is key to advancing cystic fibrosis therapeutics.
  • Alternative structural biology techniques are vital for studying complex membrane proteins like CFTR.
  • Development of experimental models for relevant CFTR domains aids structural understanding.

Outlook:

  • Continued integration of NMR, EM, and computational methods will likely yield high-resolution CFTR structures.
  • Advances in structural biology will accelerate the development of precision medicines for cystic fibrosis.
  • Further research into CFTR domain-specific models will refine our understanding of its function and dysfunction.