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Updated: Jun 10, 2026

Measuring In Vitro ATPase Activity for Enzymatic Characterization
Published on: August 23, 2016
[Na+,K(+)-ATPase activity in polarized cells].
The sodium-potassium pump (Na+,K+-ATPase) is crucial for epithelial cell shape and function. Aberrant Na+,K+-ATPase activity is linked to diseases like cancer.
Area of Science:
- Cell Biology
- Biochemistry
- Pathology
Background:
- The sodium-potassium pump (Na+,K+-ATPase) plays a fundamental role in regulating epithelial cell morphology.
- Emerging research highlights its involvement in signal transduction and the formation of molecular signaling complexes.
Purpose of the Study:
- To review current research on the Na+,K+-ATPase's role in polarized epithelial cells.
- To analyze its interactions with other cellular proteins and its implications in disease.
Main Methods:
- Literature review of modern research.
- Analysis of Na+,K+-ATPase association mechanisms with molecular partners.
- Examination of its role in epithelial cell interactions and combined functional ensembles.
Main Results:
- Na+,K+-ATPase is integral to sorting specificity in polarized cells.
- It forms functional ensembles with adhesion and cytoskeleton proteins, involving coordinated expression.
- Specific domains and binding sites mediate its association with molecular partners.
Conclusions:
- Na+,K+-ATPase is a key regulator of epithelial cell polarity and interactions.
- Its dysregulation is implicated in pathologies characterized by aberrant epithelial phenotypes, including malignant growth.
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