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Related Experiment Video

Updated: Mar 23, 2026

Assessing Cellular Target Engagement by SHP2 PTPN11 Phosphatase Inhibitors
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Assessing PTEN Subcellular Localization.

Anabel Gil1,2, José I López3,4, Rafael Pulido5,6,7

  • 1Centro de Investigación Príncipe Felipe, Valencia, 46013, Spain.

Methods in Molecular Biology (Clifton, N.J.)
|April 2, 2016
PubMed
Summary

PTEN protein

Keywords:
ImmunofluorescenceImmunohistochemistryPTENSubcellular fractionationTumor suppression

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Area of Science:

  • Molecular Biology
  • Cell Biology
  • Biochemistry

Background:

  • PTEN protein's subcellular localization is crucial for its biological functions.
  • PTEN's distinct activities, including phosphatase activity and protein interactions, depend on its location.
  • PTEN's distribution is tightly regulated by intrinsic and extrinsic factors.

Purpose of the Study:

  • To review current knowledge on PTEN distribution in the plasma membrane, nucleus, and cytoplasm.
  • To present methods for studying PTEN subcellular localization and shuttling.

Main Methods:

  • Subcellular fractionation
  • Immunofluorescence microscopy
  • Immunohistochemistry

Main Results:

  • PTEN's partitioning between cellular compartments is a key regulatory mechanism.
  • Methods discussed allow for detailed analysis of PTEN distribution.
  • Understanding PTEN localization is vital for disease association studies.

Conclusions:

  • PTEN subcellular localization dictates its diverse biological roles.
  • Studying PTEN's dynamic shuttling provides insights into its function and regulation.
  • Accurate methods are essential for investigating PTEN's role in health and disease.