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Cited by 624

The DOI matches its Crossref record; 26 of the 26 references it cites were found in a registry or an index.

Piezo1 links mechanical forces to red blood cell volume

Open access
Cahalan, Stuart M, Lukacs, Viktor, Ranade, Sanjeev S, Chien, Shu, Bandell, Michael, Patapoutian, Ardem·2015·eLife

Abstract

Red blood cells (RBCs) experience significant mechanical forces while recirculating, but the consequences of these forces are not fully understood. Recent work has shown that gain-of-function mutations in mechanically activated Piezo1 cation channels are associated with the dehydrating RBC disease xerocytosis, implicating a role of mechanotransduction in RBC volume regulation. However, the mechanisms by which these mutations result in RBC dehydration are unknown. In this study, we show that RBCs exhibit robust calcium entry in response to mechanical stretch and that this entry is dependent on Piezo1 expression. Furthermore, RBCs from blood-cell-specific Piezo1 conditional knockout mice are overhydrated and exhibit increased fragility both in vitro and in vivo. Finally, we show that Yoda1, a chemical activator of Piezo1, causes calcium influx and subsequent dehydration of RBCs via downstream activation of the KCa3.1 Gardos channel, directly implicating Piezo1 signaling in RBC volume control. Therefore, mechanically activated Piezo1 plays an essential role in RBC volume homeostasis.

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Metadata

Authors
Cahalan, S. M., Lukacs, V., Ranade, S. S., Chien, S., Bandell, M., & Patapoutian, A.
Venue
eLife
Published
2015-05-22
Volume
4
ISSN
2050-084X (ISSN-L)
OpenAlex
W2104989250
Cited by
624
References
26
FWCI
22.17
Type
journal article
Language
en
Open access
gold

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CoChat. (2026). Citation check: Piezo1 links mechanical forces to red blood cell volume. https://app.cochat.ai/papers/10.7554/elife.07370
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Cahalan, S. M., Lukacs, V., Ranade, S. S., Chien, S., Bandell, M., & Patapoutian, A. (2015). Piezo1 links mechanical forces to red blood cell volume. eLife. https://doi.org/10.7554/elife.07370

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