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Mechanically-gated Ion Channels

Mechanically-gated Ion Channels

Mechanically-gated ion channels are proteins found in eukaryotic and prokaryotic cell membranes that open in response to mechanical stress. Tension, compression, swelling, and shear stress can alter the conformation of the protein, opening a transmembrane channel that allows the passage of ions for signal transmission. In eukaryotes, mechanically-gated channels are distributed in several regions like the neurons, lungs, skin, bladder, and heart, where they play critical roles in numerous...

The Tumor Microenvironment

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Every normal cell or tissue is embedded in a complex local environment called stroma, consisting of different cell types, a basal membrane, and blood vessels. As normal cells mutate and develop into cancer cells, their local environment also changes to allow cancer progression. The tumor microenvironment (TME) consists of a complex cellular matrix of stromal cells and the developing tumor. The cross-talk between cancer cells and surrounding stromal cells is critical to disrupt normal tissue...

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Tumor Progression

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Colon cancer is one of the best-documented examples of tumor progression. Early mutation in the APC gene in colon cells causes a small growth on the colon wall called a polyp. With time, this polyp grows into a benign, pre-cancerous tumor. Further...

Tumor Progression

Tumor Progression

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Related Experiment Video

Updated: Apr 13, 2026

One-channel Cell-attached Patch-clamp Recording

One-channel Cell-attached Patch-clamp Recording

Published on: June 9, 2014

Piezo channels in tumors.

Wenxin Zhang^1,2,3, Liangliang Dai^1,2,3, Honglei Shi^4,5,6

¹Department of Urology, Wujin Hospital Affiliated with Jiangsu University, Changzhou, 213004, China.

Journal of Cancer Research and Clinical Oncology

|April 11, 2026

Summary

This summary is machine-generated.

Mechanical forces and Piezo channels are key in tumor progression and metastasis. Targeting these channels offers new avenues for cancer therapy and diagnosis.

Keywords:

Cancer Piezo Tumor

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Area of Science:

Oncology
Biophysics
Cell Biology

Background:

Malignant tumors threaten global health, with progression influenced by genetic mutations and tumor microenvironment (TME) mechanical properties.
Mechanical signals, including tissue stiffness and fluid pressure, are transmitted via mechanosensitive pathways, notably the Piezo channel family (Piezo1/Piezo2).
Piezo channels mediate calcium influx and regulate critical cellular processes like proliferation, migration, and cancer stem cell-like transformation.

Purpose of the Study:

To explore the role of Piezo channels in mediating mechanical signals within the TME and their impact on tumor progression.
To investigate the potential of Piezo channels as biomarkers for cancer diagnosis and prognosis.
To examine emerging therapeutic strategies targeting Piezo channels for precision cancer therapy.

Main Methods:

Review of literature on Piezo channel function in various cancer types.
Analysis of Piezo1 expression patterns in different cancers (e.g., breast, esophageal, lung, colorectal, glioma, prostate).
Investigation of Piezo1 activation by mechanical compression and its effect on circulating tumor cells (CTCs).

Main Results:

Piezo1 is upregulated in several cancers, promoting tumor progression, but downregulated in lung cancer, enhancing malignancy.
Mechanical compression activates Piezo1 in microvessels, promoting CTCs to acquire stem cell-like properties and increasing metastatic potential.
Piezo channels are identified as crucial links between TME mechanical signals and cellular behavior, showing promise as diagnostic and prognostic biomarkers.

Conclusions:

Piezo channels are vital mediators of mechanical signals in the TME, influencing tumor progression and metastasis.
Targeting Piezo channels presents a promising strategy for novel cancer therapies and diagnostic biomarkers.
Further research is needed to address tissue specificity and drug selectivity for Piezo channel-targeted treatments.