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Methods for Establishing Rab Knockout MDCK Cells.

Riko Kinoshita1, Yuta Homma1, Mitsunori Fukuda2

  • 1Lab of Membrane Trafficking Mechanisms, Department of Integrative Life Sciences, Graduate School of Life Sciences, Tohoku University, Miyagi, Japan.

Methods in Molecular Biology (Clifton, N.J.)
|August 28, 2021
PubMed
Summary

Researchers created Rab-knockout renal epithelial cells using Cas9 genome editing. This collection aids in understanding the function of Rab small GTPases in cell viability, organelle morphology, and epithelial morphogenesis.

Keywords:
CRISPR/Cas9Epithelial cellsGene knockoutMDCK II cellsMembrane trafficPolarized traffickingRab GTPase

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Area of Science:

  • Cell Biology
  • Molecular Biology
  • Genetics

Background:

  • Rab family small GTPases regulate intracellular membrane traffic in eukaryotic cells.
  • They control vesicle and organelle dynamics, including budding, transport, tethering, docking, and fusion.
  • While ~60 mammalian Rabs exist, most have poorly understood functions.

Purpose of the Study:

  • To establish a comprehensive collection of Rab-knockout (KO) renal epithelial cells.
  • To analyze the function of individual or related Rabs in cell viability, organelle morphology, and epithelial morphogenesis.
  • To detail the procedures for generating these Rab-KO cells.

Main Methods:

  • Utilized Cas9-mediated genome editing technology.
  • Generated Rab-knockout (KO) Madin-Darby canine kidney (MDCK) II cells.
  • Focused on creating a comprehensive cell collection for functional analysis.

Main Results:

  • Successfully generated a collection of Rab-KO MDCK II cells.
  • This resource enables systematic analysis of Rab GTPase functions.
  • Provides detailed methods for creating such cell lines.

Conclusions:

  • The Rab-KO MDCK II cell collection is a valuable tool for dissecting Rab function in epithelial cells.
  • This resource facilitates research into membrane trafficking and its role in cellular processes.
  • The described methods enable the generation of similar cell lines for broader research applications.