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Related Concept Videos

DNA Microarrays02:34

DNA Microarrays

Microarrays are high-throughput and relatively inexpensive assays that can be automated to analyze large quantities of data at a time. They are used in genome-wide studies to compare gene or protein expression under two varied conditions, such as healthy and diseased states. Microarrays consist of glass or silica slides on which probe molecules are covalently attached through surface functionalization. Most commonly, the slides are prepared through the chemisorption of silanes to silica...

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A Guided Materials Screening Approach for Developing Quantitative Sol-gel Derived Protein Microarrays
10:44

A Guided Materials Screening Approach for Developing Quantitative Sol-gel Derived Protein Microarrays

Published on: August 26, 2013

Cell arrays and high-content screening.

Holger Erfle1, Anastasia Eskova, Jürgen Reymann

  • 1BioQuant, University of Heidelberg, Heidelberg, Germany. holger.erfle@bioquant.uni-heidelberg.de

Methods in Molecular Biology (Clifton, N.J.)
|September 9, 2011
PubMed
Summary
This summary is machine-generated.

We developed a fluorescent microscopy assay to identify regulators of integrin alpha2 internalisation, a key process in cell migration. This method enables systematic screening for molecules involved in integrin endocytosis.

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Area of Science:

  • Cell Biology
  • Molecular Biology
  • Biochemistry

Background:

  • Endocytosis is a fundamental cellular process for internalizing materials, crucial for receptor regulation, signaling, and cell motility.
  • Integrin endocytosis is vital for cell migration, adhesion, and signaling, yet its regulators are poorly understood.
  • Systematic characterization of endocytosis regulators is hindered by limitations in current methodologies.

Purpose of the Study:

  • To develop and validate a high-throughput fluorescent screening microscopy-based assay for identifying regulators of integrin alpha2 internalisation.
  • To provide detailed protocols for sample preparation, cell array fabrication, and quantification of integrin alpha2 internalisation.
  • To establish a versatile platform for screening endocytosis regulators for various cargoes and experimental conditions.

Main Methods:

  • Development of a fluorescent screening microscopy assay utilizing cell arrays.
  • Optimization of protocols for sample preparation and cell array fabrication.
  • Quantification of integrin alpha2 internalisation using fluorescence microscopy.

Main Results:

  • Successfully established a robust and scalable assay for identifying integrin alpha2 internalisation regulators.
  • Demonstrated the assay's suitability for high-throughput screening formats like cell arrays.
  • Validated the assay's adaptability for other cargo types and experimental manipulations (knock-down/knock-in, chemical screening).

Conclusions:

  • The developed fluorescent screening assay provides a powerful tool for systematically identifying molecules involved in integrin endocytosis.
  • This methodology significantly advances the study of integrin-mediated cellular processes.
  • The assay's versatility allows for broad applications in cell biology research and drug discovery.