101
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Knoblauch S, Desai SH, Dombroski JA, Sarna NS, Hope JM, King MR. Chemical Activation and Mechanical Sensitization of Piezo1 Enhance TRAIL-Mediated Apoptosis in Glioblastoma Cells. ACS OMEGA 2023; 8:16975-16986. [PMID: 37214705 PMCID: PMC10193566 DOI: 10.1021/acsomega.3c00705] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Accepted: 04/19/2023] [Indexed: 05/24/2023]
Abstract
Glioblastoma multiforme (GBM), the most common and aggressive type of primary brain tumor, has a mean survival of less than 15 months after standard treatment. Treatment with the current standard of care, temozolomide (TMZ), may be ineffective if damaged tumor cells undergo DNA repair or acquire mutations that inactivate transcription factor p53. Tumor necrosis factor-related apoptosis-inducing ligand (TRAIL) triggers apoptosis in multiple tumor types, while evading healthy cells, through a transcription-independent mechanism. GBM is particularly resistant to TRAIL, but studies have found that the mechanoreceptor Piezo1 can be activated under static conditions via Yoda1 agonist to induce TRAIL sensitization in other cancer cell lines. This study examines the effects and the mechanism of chemical and mechanical activation of Piezo1, via Yoda1 and fluid shear stress (FSS) stimulation, on TRAIL-mediated apoptosis in GBM cells. Here, we demonstrate that Yoda1 + TRAIL and FSS + TRAIL combination therapies significantly increase apoptosis in two GBM cell lines relative to controls. Further, cells known to be resistant to TMZ were found to have higher levels of Piezo1 expression and were more susceptible to TRAIL sensitization by Piezo1 activation. The combinatory Yoda1 + TRAIL treatment significantly decreased cell viability in TMZ-resistant GBM cells when compared to treatment with both low and high doses of TMZ. The results of this study suggest the potential of a highly specific and minimally invasive approach to overcome TMZ resistance in GBM by sensitizing cancer cells to TRAIL treatment via chemical or mechanical activation of Piezo1.
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Affiliation(s)
- Samantha
V. Knoblauch
- Department
of Neuroscience, Vanderbilt University, 2301 Vanderbilt Place, Nashville, Tennessee 37235, United States
- Department
of Biomedical Engineering, Vanderbilt University, 2301 Vanderbilt Place, Nashville, Tennessee 37235, United States
| | - Shanay H. Desai
- Department
of Neuroscience, Vanderbilt University, 2301 Vanderbilt Place, Nashville, Tennessee 37235, United States
- Department
of Biomedical Engineering, Vanderbilt University, 2301 Vanderbilt Place, Nashville, Tennessee 37235, United States
| | - Jenna A. Dombroski
- Department
of Biomedical Engineering, Vanderbilt University, 2301 Vanderbilt Place, Nashville, Tennessee 37235, United States
| | - Nicole S. Sarna
- Department
of Biomedical Engineering, Vanderbilt University, 2301 Vanderbilt Place, Nashville, Tennessee 37235, United States
| | - Jacob M. Hope
- Department
of Biomedical Engineering, Vanderbilt University, 2301 Vanderbilt Place, Nashville, Tennessee 37235, United States
| | - Michael R. King
- Department
of Biomedical Engineering, Vanderbilt University, 2301 Vanderbilt Place, Nashville, Tennessee 37235, United States
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102
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Wijerathne TD, Ozkan AD, Lacroix JJ. Microscopic mechanism of PIEZO1 activation by pressure-induced membrane stretch. J Gen Physiol 2023; 155:213842. [PMID: 36715688 PMCID: PMC9930135 DOI: 10.1085/jgp.202213260] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Revised: 12/16/2022] [Accepted: 01/19/2023] [Indexed: 01/31/2023] Open
Abstract
Mechanosensitive PIEZO1 ion channels open in response to membrane stretch. Yet, the underlying microscopic mechanism of this activation remains unknown. To probe this mechanism, we used cell-attached pressure-clamp recordings to measure single channel currents at different steady-state negative pipette pressures, spanning the full range of the channel's pressure sensitivity. Pressure-dependent activation occurs through a sharp reduction of the mean shut duration and through a moderate increase of the mean open duration. Across all tested pressures, the distribution of open and shut dwell times best follows sums of two and three exponential components, respectively. As the magnitude of the pressure stimulus increases, the time constants of most of these exponential components gradually change, in opposite directions for open and shut dwell times, and to a similar extent. In addition, while the relative amplitudes of fast and slow components remain unchanged for open intervals, they fully reverse for shut intervals, further reducing the mean shut duration. Using two-dimensional dwell time analysis, Markov-chain modeling, and simulations, we identified a minimal five-states model which recapitulates essential characteristics of single channel data, including microscopic reversibility, correlations between adjacent open and shut intervals, and asymmetric modulation of dwell times by pressure. This study identifies a microscopic mechanism for the activation of PIEZO1 channels by pressure-induced membrane stretch and deepens our fundamental understanding of mechanotransduction by a vertebrate member of the PIEZO channel family.
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Affiliation(s)
- Tharaka D Wijerathne
- Department of Basic Medical Sciences, College of Osteopathic Medicine of the Pacific, Western University of Health Sciences , Pomona, CA, USA
| | - Alper D Ozkan
- Department of Basic Medical Sciences, College of Osteopathic Medicine of the Pacific, Western University of Health Sciences , Pomona, CA, USA
| | - Jérôme J Lacroix
- Department of Basic Medical Sciences, College of Osteopathic Medicine of the Pacific, Western University of Health Sciences , Pomona, CA, USA
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103
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Steinecker-Frohnwieser B, Lohberger B, Toegel S, Windhager R, Glanz V, Kratschmann C, Leithner A, Weigl L. Activation of the Mechanosensitive Ion Channels Piezo1 and TRPV4 in Primary Human Healthy and Osteoarthritic Chondrocytes Exhibits Ion Channel Crosstalk and Modulates Gene Expression. Int J Mol Sci 2023; 24:ijms24097868. [PMID: 37175575 PMCID: PMC10178441 DOI: 10.3390/ijms24097868] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Revised: 04/14/2023] [Accepted: 04/19/2023] [Indexed: 05/15/2023] Open
Abstract
Osteoarthritis (OA) is the most common degenerative joint disease causing pain and functional limitations. Physical activity as a clinically relevant, effective intervention alleviates pain and promotes joint function. In chondrocytes, perception and transmission of mechanical signals are controlled by mechanosensitive ion channels, whose dysfunction in OA chondrocytes is leading to disease progression. Signaling of mechanosensitive ion channels Piezo/TRPV4 was analyzed by Yoda1/GSK1016790A application and calcium-imaging of Fura-2-loaded chondrocytes. Expression analysis was determined by qPCR and immunofluorescence in healthy vs. OA chondrocytes. Chondrocytes were mechanically stimulated using the Flexcell™ technique. Yoda1 and GSK1016790A caused an increase in intracellular calcium [Ca2+]i for Yoda1, depending on extracellularly available Ca2+. When used concomitantly, the agonist applied first inhibited the effect of subsequent agonist application, indicating mutual interference between Piezo/TRPV4. Yoda1 increased the expression of metalloproteinases, bone-morphogenic protein, and interleukins in healthy and OA chondrocytes to a different extent. Flexcell™-induced changes in the expression of MMPs and ILs differed from changes induced by Yoda1. We conclude that Piezo1/TRPV4 communicate with each other, an interference that may be impaired in OA chondrocytes. It is important to consider that mechanical stimulation may have different effects on OA depending on its intensity.
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Affiliation(s)
- Bibiane Steinecker-Frohnwieser
- Ludwig Boltzmann Institute for Arthritis and Rehabilitation, Thorerstraße 26, 5760 Saalfelden, Austria
- Ludwig Boltzmann Institute for Arthritis and Rehabilitation, Spitalgasse 23, 1090 Vienna, Austria
| | - Birgit Lohberger
- Ludwig Boltzmann Institute for Arthritis and Rehabilitation, Spitalgasse 23, 1090 Vienna, Austria
- Department of Orthopedics and Trauma, Medical University of Graz, Auenbruggerplatz 5, 8036 Graz, Austria
| | - Stefan Toegel
- Ludwig Boltzmann Institute for Arthritis and Rehabilitation, Spitalgasse 23, 1090 Vienna, Austria
- Karl Chiari Lab for Orthopaedic Biology, Department of Orthopedics and Trauma Surgery, Medical University of Vienna, Waehringer Guertel 18-20, 1090 Vienna, Austria
| | - Reinhard Windhager
- Karl Chiari Lab for Orthopaedic Biology, Department of Orthopedics and Trauma Surgery, Medical University of Vienna, Waehringer Guertel 18-20, 1090 Vienna, Austria
| | - Veronika Glanz
- Department of Special Anaesthesia and Pain Therapy, Medical University of Vienna, Waehringer Guertel 18-20, 1090 Vienna, Austria
| | - Cornelia Kratschmann
- Department of Special Anaesthesia and Pain Therapy, Medical University of Vienna, Waehringer Guertel 18-20, 1090 Vienna, Austria
| | - Andreas Leithner
- Department of Orthopedics and Trauma, Medical University of Graz, Auenbruggerplatz 5, 8036 Graz, Austria
| | - Lukas Weigl
- Ludwig Boltzmann Institute for Arthritis and Rehabilitation, Spitalgasse 23, 1090 Vienna, Austria
- Department of Special Anaesthesia and Pain Therapy, Medical University of Vienna, Waehringer Guertel 18-20, 1090 Vienna, Austria
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104
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Lohia R, Allegrini B, Berry L, Guizouarn H, Cerdan R, Abkarian M, Douguet D, Honoré E, Wengelnik K. Pharmacological activation of PIEZO1 in human red blood cells prevents Plasmodium falciparum invasion. Cell Mol Life Sci 2023; 80:124. [PMID: 37071200 PMCID: PMC10113305 DOI: 10.1007/s00018-023-04773-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Accepted: 03/30/2023] [Indexed: 04/19/2023]
Abstract
An inherited gain-of-function variant (E756del) in the mechanosensitive cationic channel PIEZO1 was shown to confer a significant protection against severe malaria. Here, we demonstrate in vitro that human red blood cell (RBC) infection by Plasmodium falciparum is prevented by the pharmacological activation of PIEZO1. Yoda1 causes an increase in intracellular calcium associated with rapid echinocytosis that inhibits RBC invasion, without affecting parasite intraerythrocytic growth, division or egress. Notably, Yoda1 treatment significantly decreases merozoite attachment and subsequent RBC deformation. Intracellular Na+/K+ imbalance is unrelated to the mechanism of protection, although delayed RBC dehydration observed in the standard parasite culture medium RPMI/albumax further enhances the resistance to malaria conferred by Yoda1. The chemically unrelated Jedi2 PIEZO1 activator similarly causes echinocytosis and RBC dehydration associated with resistance to malaria invasion. Spiky outward membrane projections are anticipated to reduce the effective surface area required for both merozoite attachment and internalization upon pharmacological activation of PIEZO1. Globally, our findings indicate that the loss of the typical biconcave discoid shape of RBCs, together with an altered optimal surface to volume ratio, induced by PIEZO1 pharmacological activation prevent efficient P. falciparum invasion.
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Affiliation(s)
- Rakhee Lohia
- LPHI, University of Montpellier, CNRS UMR5294, Montpellier, France
| | | | - Laurence Berry
- LPHI, University of Montpellier, CNRS UMR5294, Montpellier, France
| | | | - Rachel Cerdan
- LPHI, University of Montpellier, CNRS UMR5294, Montpellier, France
| | - Manouk Abkarian
- Centre de Biologie Structurale, CNRS UMR5048, INSERM U1054, University of Montpellier, Montpellier, France
| | - Dominique Douguet
- IPMC, University Côte d'Azur, CNRS, INSERM, UMR7275, Labex ICST, Valbonne, France
| | - Eric Honoré
- IPMC, University Côte d'Azur, CNRS, INSERM, UMR7275, Labex ICST, Valbonne, France.
| | - Kai Wengelnik
- LPHI, University of Montpellier, CNRS UMR5294, INSERM, Montpellier, France.
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105
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Aresta Branco MSL, Gutierrez Cruz A, Borhani Peikani M, Mutafova-Yambolieva VN. Sensory Neurons, PIEZO Channels and PAC1 Receptors Regulate the Mechanosensitive Release of Soluble Ectonucleotidases in the Murine Urinary Bladder Lamina Propria. Int J Mol Sci 2023; 24:ijms24087322. [PMID: 37108490 PMCID: PMC10138949 DOI: 10.3390/ijms24087322] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Revised: 04/11/2023] [Accepted: 04/13/2023] [Indexed: 04/29/2023] Open
Abstract
The urinary bladder requires adequate concentrations of extracellular adenosine 5'-triphosphate (ATP) and other purines at receptor sites to function properly. Sequential dephosphorylation of ATP to ADP, AMP and adenosine (ADO) by membrane-bound and soluble ectonucleotidases (s-ENTDs) is essential for achieving suitable extracellular levels of purine mediators. S-ENTDs, in particular, are released in the bladder suburothelium/lamina propria (LP) in a mechanosensitive manner. Using 1,N6-etheno-ATP (eATP) as substrate and sensitive HPLC-FLD methodology, we evaluated the degradation of eATP to eADP, eAMP and eADO in solutions that were in contact with the LP of ex vivo mouse detrusor-free bladders during filling prior to substrate addition. The inhibition of neural activity with tetrodotoxin and ω-conotoxin GVIA, of PIEZO channels with GsMTx4 and D-GsMTx4 and of the pituitary adenylate cyclase-activating polypeptide type I receptor (PAC1) with PACAP6-38 all increased the distention-induced but not spontaneous release of s-ENTDs in LP. It is conceivable, therefore, that the activation of these mechanisms in response to distention restricts the further release of s-ENTDs and prevents excessive hydrolysis of ATP. Together, these data suggest that afferent neurons, PIEZO channels, PAC1 receptors and s-ENTDs form a system that operates a highly regulated homeostatic mechanism to maintain proper extracellular purine concentrations in the LP and ensure normal bladder excitability during bladder filling.
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Affiliation(s)
- Mafalda S L Aresta Branco
- Department of Physiology and Cell Biology, School of Medicine, University of Nevada, Reno, NV 89557, USA
| | - Alejandro Gutierrez Cruz
- Department of Physiology and Cell Biology, School of Medicine, University of Nevada, Reno, NV 89557, USA
| | - Mahsa Borhani Peikani
- Department of Physiology and Cell Biology, School of Medicine, University of Nevada, Reno, NV 89557, USA
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106
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Griffin MF, Talbott HE, Guardino NJ, Guo JL, Spielman AF, Chen K, Parker JBL, Mascharak S, Henn D, Liang N, King M, Cotterell AC, Bauer-Rowe KE, Abbas DB, Diaz Deleon NM, Sivaraj D, Fahy EJ, Downer M, Akras D, Berry C, Cook J, Quarto N, Klein OD, Lorenz HP, Gurtner GC, Januszyk M, Wan DC, Longaker MT. Piezo inhibition prevents and rescues scarring by targeting the adipocyte to fibroblast transition. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.04.03.535302. [PMID: 37066136 PMCID: PMC10103999 DOI: 10.1101/2023.04.03.535302] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/18/2023]
Abstract
While past studies have suggested that plasticity exists between dermal fibroblasts and adipocytes, it remains unknown whether fat actively contributes to fibrosis in scarring. We show that adipocytes convert to scar-forming fibroblasts in response to Piezo -mediated mechanosensing to drive wound fibrosis. We establish that mechanics alone are sufficient to drive adipocyte-to- fibroblast conversion. By leveraging clonal-lineage-tracing in combination with scRNA-seq, Visium, and CODEX, we define a "mechanically naïve" fibroblast-subpopulation that represents a transcriptionally intermediate state between adipocytes and scar-fibroblasts. Finally, we show that Piezo1 or Piezo2 -inhibition yields regenerative healing by preventing adipocytes' activation to fibroblasts, in both mouse-wounds and a novel human-xenograft-wound model. Importantly, Piezo1 -inhibition induced wound regeneration even in pre-existing established scars, a finding that suggests a role for adipocyte-to-fibroblast transition in wound remodeling, the least-understood phase of wound healing. Adipocyte-to-fibroblast transition may thus represent a therapeutic target for minimizing fibrosis via Piezo -inhibition in organs where fat contributes to fibrosis.
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107
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Rolland L, Torrente AG, Bourinet E, Maskini D, Drouard A, Chevalier P, Jopling C, Faucherre A. Prolonged Piezo1 Activation Induces Cardiac Arrhythmia. Int J Mol Sci 2023; 24:ijms24076720. [PMID: 37047693 PMCID: PMC10094979 DOI: 10.3390/ijms24076720] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Revised: 03/29/2023] [Accepted: 04/01/2023] [Indexed: 04/14/2023] Open
Abstract
The rhythmical nature of the cardiovascular system constantly generates dynamic mechanical forces. At the centre of this system is the heart, which must detect these changes and adjust its performance accordingly. Mechanoelectric feedback provides a rapid mechanism for detecting even subtle changes in the mechanical environment and transducing these signals into electrical responses, which can adjust a variety of cardiac parameters such as heart rate and contractility. However, pathological conditions can disrupt this intricate mechanosensory system and manifest as potentially life-threatening cardiac arrhythmias. Mechanosensitive ion channels are thought to be the main proponents of mechanoelectric feedback as they provide a rapid response to mechanical stimulation and can directly affect cardiac electrical activity. Here, we demonstrate that the mechanosensitive ion channel PIEZO1 is expressed in zebrafish cardiomyocytes. Furthermore, chemically prolonging PIEZO1 activation in zebrafish results in cardiac arrhythmias. indicating that this ion channel plays an important role in mechanoelectric feedback. This also raises the possibility that PIEZO1 gain of function mutations could be linked to heritable cardiac arrhythmias in humans.
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Affiliation(s)
- Laura Rolland
- Institute of Functional Genomics, University of Montpellier, CNRS, INSERM, LabEx ICST, 34094 Montpellier, France
| | - Angelo Giovanni Torrente
- Institute of Functional Genomics, University of Montpellier, CNRS, INSERM, LabEx ICST, 34094 Montpellier, France
| | - Emmanuel Bourinet
- Institute of Functional Genomics, University of Montpellier, CNRS, INSERM, LabEx ICST, 34094 Montpellier, France
| | - Dounia Maskini
- Institute of Functional Genomics, University of Montpellier, CNRS, INSERM, LabEx ICST, 34094 Montpellier, France
| | - Aurélien Drouard
- Institute of Functional Genomics, University of Montpellier, CNRS, INSERM, LabEx ICST, 34094 Montpellier, France
| | - Philippe Chevalier
- Neuromyogene Institut, Claude Bernard University, Lyon 1, 69008 Villeurbanne, France
- Service de Rythmologie, Hospices Civils de Lyon, 69500 Lyon, France
| | - Chris Jopling
- Institute of Functional Genomics, University of Montpellier, CNRS, INSERM, LabEx ICST, 34094 Montpellier, France
| | - Adèle Faucherre
- Institute of Functional Genomics, University of Montpellier, CNRS, INSERM, LabEx ICST, 34094 Montpellier, France
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108
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Davis MJ, Earley S, Li YS, Chien S. Vascular mechanotransduction. Physiol Rev 2023; 103:1247-1421. [PMID: 36603156 PMCID: PMC9942936 DOI: 10.1152/physrev.00053.2021] [Citation(s) in RCA: 45] [Impact Index Per Article: 45.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2021] [Revised: 09/26/2022] [Accepted: 10/04/2022] [Indexed: 01/07/2023] Open
Abstract
This review aims to survey the current state of mechanotransduction in vascular smooth muscle cells (VSMCs) and endothelial cells (ECs), including their sensing of mechanical stimuli and transduction of mechanical signals that result in the acute functional modulation and longer-term transcriptomic and epigenetic regulation of blood vessels. The mechanosensors discussed include ion channels, plasma membrane-associated structures and receptors, and junction proteins. The mechanosignaling pathways presented include the cytoskeleton, integrins, extracellular matrix, and intracellular signaling molecules. These are followed by discussions on mechanical regulation of transcriptome and epigenetics, relevance of mechanotransduction to health and disease, and interactions between VSMCs and ECs. Throughout this review, we offer suggestions for specific topics that require further understanding. In the closing section on conclusions and perspectives, we summarize what is known and point out the need to treat the vasculature as a system, including not only VSMCs and ECs but also the extracellular matrix and other types of cells such as resident macrophages and pericytes, so that we can fully understand the physiology and pathophysiology of the blood vessel as a whole, thus enhancing the comprehension, diagnosis, treatment, and prevention of vascular diseases.
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Affiliation(s)
- Michael J Davis
- Department of Medical Pharmacology and Physiology, University of Missouri, Columbia, Missouri
| | - Scott Earley
- Department of Pharmacology, University of Nevada, Reno, Nevada
| | - Yi-Shuan Li
- Department of Bioengineering, University of California, San Diego, California
- Institute of Engineering in Medicine, University of California, San Diego, California
| | - Shu Chien
- Department of Bioengineering, University of California, San Diego, California
- Institute of Engineering in Medicine, University of California, San Diego, California
- Department of Medicine, University of California, San Diego, California
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109
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Chuntharpursat-Bon E, Povstyan OV, Ludlow MJ, Carrier DJ, Debant M, Shi J, Gaunt HJ, Bauer CC, Curd A, Simon Futers T, Baxter PD, Peckham M, Muench SP, Adamson A, Humphreys N, Tumova S, Bon RS, Cubbon R, Lichtenstein L, Beech DJ. PIEZO1 and PECAM1 interact at cell-cell junctions and partner in endothelial force sensing. Commun Biol 2023; 6:358. [PMID: 37005489 PMCID: PMC10067937 DOI: 10.1038/s42003-023-04706-4] [Citation(s) in RCA: 22] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Accepted: 03/14/2023] [Indexed: 04/04/2023] Open
Abstract
Two prominent concepts for the sensing of shear stress by endothelium are the PIEZO1 channel as a mediator of mechanically activated calcium ion entry and the PECAM1 cell adhesion molecule as the apex of a triad with CDH5 and VGFR2. Here, we investigated if there is a relationship. By inserting a non-disruptive tag in native PIEZO1 of mice, we reveal in situ overlap of PIEZO1 with PECAM1. Through reconstitution and high resolution microscopy studies we show that PECAM1 interacts with PIEZO1 and directs it to cell-cell junctions. PECAM1 extracellular N-terminus is critical in this, but a C-terminal intracellular domain linked to shear stress also contributes. CDH5 similarly drives PIEZO1 to junctions but unlike PECAM1 its interaction with PIEZO1 is dynamic, increasing with shear stress. PIEZO1 does not interact with VGFR2. PIEZO1 is required in Ca2+-dependent formation of adherens junctions and associated cytoskeleton, consistent with it conferring force-dependent Ca2+ entry for junctional remodelling. The data suggest a pool of PIEZO1 at cell junctions, the coming together of PIEZO1 and PECAM1 mechanisms and intimate cooperation of PIEZO1 and adhesion molecules in tailoring junctional structure to mechanical requirement.
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Affiliation(s)
| | | | | | - David J Carrier
- School of Medicine, University of Leeds, Leeds, LS2 9JT, UK
- School of Biomedical Sciences, University of Leeds, Leeds, LS2 9JT, UK
| | | | - Jian Shi
- School of Medicine, University of Leeds, Leeds, LS2 9JT, UK
| | - Hannah J Gaunt
- School of Medicine, University of Leeds, Leeds, LS2 9JT, UK
| | | | - Alistair Curd
- School of Molecular and Cellular Biology, University of Leeds, Leeds, LS2 9JT, UK
| | - T Simon Futers
- School of Medicine, University of Leeds, Leeds, LS2 9JT, UK
| | - Paul D Baxter
- School of Medicine, University of Leeds, Leeds, LS2 9JT, UK
| | - Michelle Peckham
- School of Molecular and Cellular Biology, University of Leeds, Leeds, LS2 9JT, UK
- Astbury Centre for Structural Molecular Biology, University of Leeds, Leeds, LS2 9JT, UK
| | - Stephen P Muench
- School of Biomedical Sciences, University of Leeds, Leeds, LS2 9JT, UK
- Astbury Centre for Structural Molecular Biology, University of Leeds, Leeds, LS2 9JT, UK
| | - Antony Adamson
- Faculty of Biology, Medicine and Health, University of Manchester, AV Hill Building, Manchester, M13 9PT, UK
| | - Neil Humphreys
- Faculty of Biology, Medicine and Health, University of Manchester, AV Hill Building, Manchester, M13 9PT, UK
| | - Sarka Tumova
- School of Medicine, University of Leeds, Leeds, LS2 9JT, UK
| | - Robin S Bon
- School of Medicine, University of Leeds, Leeds, LS2 9JT, UK
- Astbury Centre for Structural Molecular Biology, University of Leeds, Leeds, LS2 9JT, UK
| | - Richard Cubbon
- School of Medicine, University of Leeds, Leeds, LS2 9JT, UK
| | | | - David J Beech
- School of Medicine, University of Leeds, Leeds, LS2 9JT, UK.
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110
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Malko P, Jia X, Wood I, Jiang LH. Piezo1 channel-mediated Ca 2+ signaling inhibits lipopolysaccharide-induced activation of the NF-κB inflammatory signaling pathway and generation of TNF-α and IL-6 in microglial cells. Glia 2023; 71:848-865. [PMID: 36447422 DOI: 10.1002/glia.24311] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Revised: 10/20/2022] [Accepted: 11/17/2022] [Indexed: 12/05/2022]
Abstract
Microglial cells are crucial in maintaining central nervous system (CNS) homeostasis and mediating CNS disease pathogenesis. Increasing evidence supports that alterations in the mechanical properties of CNS microenvironments influence glial cell phenotypes, but the mechanisms regulating microglial cell function remain elusive. Here, we examined the mechanosensitive Piezo1 channel in microglial cells, particularly, how Piezo1 channel activation regulates pro-inflammatory activation and production of pro-inflammatory cytokines, using BV2 and primary microglial cells. Piezo1 expression in microglial cells was detected both at mRNA and protein levels. Application of Piezo1 channel activator Yoda1 induced Ca2+ flux to increase intracellular Ca2+ concentration that was reduced by treatment with ruthenium red, a Piezo1 inhibitor, or Piezo1-specific siRNA, supporting that Piezo1 functions as a cell surface Ca2+ -permeable channel. Priming with lipopolysaccharide (LPS) induced microglial cell activation and production of TNF-α and IL-6, which were inhibited by treatment with Yoda1. Furthermore, LPS priming induced the activation of ERK, p38 MAPKs, and NF-κB. LPS-induced activation of NF-κB, but not ERK and p38, was inhibited by treatment with Yoda1. Yoda1-induced inhibition was blunted by siRNA-mediated depletion of Piezo1 expression and, furthermore, treatment with BAPTA-AM to prevent intracellular Ca2+ increase. Collectively, our results support that Piezo1 channel activation downregulates the pro-inflammatory function of microglial cells, especially production of TNF-α and IL-6, by initiating intracellular Ca2+ signaling to inhibit the NF-κB inflammatory signaling pathway. These findings reveal Piezo1 channel activation as a previously unrecognized mechanism regulating microglial cell function, raising an interesting perspective on targeting this molecular mechanism to alleviate neuroinflammation and associated CNS pathologies.
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Affiliation(s)
- Philippa Malko
- School of Biomedical Sciences, Faculty of Biological Sciences, University of Leeds, Leeds, UK
| | - Xiaoling Jia
- School of Biomedical Sciences, Faculty of Biological Sciences, University of Leeds, Leeds, UK.,Key Laboratory of Biomechanics and Mechanobiology (Beihang University), Ministry of Education Beijing Advanced Innovation Center for Biomedical Engineering, School of Biological Science and Medical Engineering, Beihang University, Beijing, China
| | - Ian Wood
- School of Biomedical Sciences, Faculty of Biological Sciences, University of Leeds, Leeds, UK
| | - Lin-Hua Jiang
- School of Biomedical Sciences, Faculty of Biological Sciences, University of Leeds, Leeds, UK.,Department of Physiology and Pathophysiology, and Sino-UK Joint Laboratory of Brain Function and Injury of Henan Province, Xinxiang Medical University, Xinxiang, China.,A4245-Transplantation, Immunology and Inflammation, Faculty of Medicine, University of Tours, Tours, France
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111
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Dienes B, Bazsó T, Szabó L, Csernoch L. The Role of the Piezo1 Mechanosensitive Channel in the Musculoskeletal System. Int J Mol Sci 2023; 24:ijms24076513. [PMID: 37047487 PMCID: PMC10095409 DOI: 10.3390/ijms24076513] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 03/23/2023] [Accepted: 03/27/2023] [Indexed: 04/03/2023] Open
Abstract
Since the recent discovery of the mechanosensitive Piezo1 channels, many studies have addressed the role of the channel in various physiological or even pathological processes of different organs. Although the number of studies on their effects on the musculoskeletal system is constantly increasing, we are still far from a precise understanding. In this review, the knowledge available so far regarding the musculoskeletal system is summarized, reviewing the results achieved in the field of skeletal muscles, bones, joints and cartilage, tendons and ligaments, as well as intervertebral discs.
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112
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Zhang F, He X, Dong K, Yang L, Ma B, Liu Y, Liu Z, Chen B, Zhu R, Cheng L. Combination therapy with ultrasound and 2D nanomaterials promotes recovery after spinal cord injury via Piezo1 downregulation. J Nanobiotechnology 2023; 21:91. [PMID: 36922816 PMCID: PMC10018903 DOI: 10.1186/s12951-023-01853-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Accepted: 03/08/2023] [Indexed: 03/18/2023] Open
Abstract
Spinal cord injury (SCI) causes severe neurological dysfunction and currently has no effective treatment. Due to the complex pathophysiological processes associated with SCI and the limited efficacy of single strategies, the need for combined strategies for effective SCI therapy is becoming increasingly apparent. In this study, we evaluated the combined effects of layered double hydroxide-coupled NT3 (MgFe-LDH/NT3) nanoparticles (NPs) and ultrasound (US) both in vitro and in vivo. Combined treatment promoted neural stem cell (NSC) differentiation into neurons and exerted anti-inflammatory effects in vitro. Furthermore, combined therapy promoted behavioural and electrophysiological performance at eight weeks in a completely transected murine thoracic SCI model. Additional RNA sequencing revealed that ultrasonic-induced Piezo1 downregulation is the core mechanism by which combined therapy promotes neurogenesis and inhibits inflammation, and the Piezo1/NF-κB pathways were identified. Hence, the findings of this study demonstrated that the combination of ultrasound and functional NPs may be a promising novel strategy for repairing SCI.
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Affiliation(s)
- Feng Zhang
- Department of Orthopaedics, School of Medicine, Tongji Hospital Affiliated to Tongji University, Tongji University, Shanghai, 200065, China.,Key Laboratory of Spine and Spinal Cord Injury Repair and Regeneration of Ministry of Education, School of Life Sciences and Technology, Tongji University, Shanghai, 200065, China
| | - Xiaolie He
- Department of Orthopaedics, School of Medicine, Tongji Hospital Affiliated to Tongji University, Tongji University, Shanghai, 200065, China.,Key Laboratory of Spine and Spinal Cord Injury Repair and Regeneration of Ministry of Education, School of Life Sciences and Technology, Tongji University, Shanghai, 200065, China.,Frontier Science Center for Stem Cell Research, Tongji University, Shanghai, 200065, China
| | - Kun Dong
- Department of Orthopaedics, School of Medicine, Tongji Hospital Affiliated to Tongji University, Tongji University, Shanghai, 200065, China.,Key Laboratory of Spine and Spinal Cord Injury Repair and Regeneration of Ministry of Education, School of Life Sciences and Technology, Tongji University, Shanghai, 200065, China.,Frontier Science Center for Stem Cell Research, Tongji University, Shanghai, 200065, China
| | - Li Yang
- Department of Orthopaedics, School of Medicine, Tongji Hospital Affiliated to Tongji University, Tongji University, Shanghai, 200065, China.,Key Laboratory of Spine and Spinal Cord Injury Repair and Regeneration of Ministry of Education, School of Life Sciences and Technology, Tongji University, Shanghai, 200065, China.,Frontier Science Center for Stem Cell Research, Tongji University, Shanghai, 200065, China
| | - Bei Ma
- Department of Orthopaedics, School of Medicine, Tongji Hospital Affiliated to Tongji University, Tongji University, Shanghai, 200065, China.,Key Laboratory of Spine and Spinal Cord Injury Repair and Regeneration of Ministry of Education, School of Life Sciences and Technology, Tongji University, Shanghai, 200065, China
| | - Yuchen Liu
- Department of Orthopaedics, School of Medicine, Tongji Hospital Affiliated to Tongji University, Tongji University, Shanghai, 200065, China.,Key Laboratory of Spine and Spinal Cord Injury Repair and Regeneration of Ministry of Education, School of Life Sciences and Technology, Tongji University, Shanghai, 200065, China
| | - Zhibo Liu
- Department of Orthopaedics, School of Medicine, Tongji Hospital Affiliated to Tongji University, Tongji University, Shanghai, 200065, China.,Key Laboratory of Spine and Spinal Cord Injury Repair and Regeneration of Ministry of Education, School of Life Sciences and Technology, Tongji University, Shanghai, 200065, China
| | - Bairu Chen
- Department of Orthopaedics, School of Medicine, Tongji Hospital Affiliated to Tongji University, Tongji University, Shanghai, 200065, China.,Key Laboratory of Spine and Spinal Cord Injury Repair and Regeneration of Ministry of Education, School of Life Sciences and Technology, Tongji University, Shanghai, 200065, China
| | - Rongrong Zhu
- Department of Orthopaedics, School of Medicine, Tongji Hospital Affiliated to Tongji University, Tongji University, Shanghai, 200065, China. .,Key Laboratory of Spine and Spinal Cord Injury Repair and Regeneration of Ministry of Education, School of Life Sciences and Technology, Tongji University, Shanghai, 200065, China. .,Frontier Science Center for Stem Cell Research, Tongji University, Shanghai, 200065, China.
| | - Liming Cheng
- Department of Orthopaedics, School of Medicine, Tongji Hospital Affiliated to Tongji University, Tongji University, Shanghai, 200065, China. .,Key Laboratory of Spine and Spinal Cord Injury Repair and Regeneration of Ministry of Education, School of Life Sciences and Technology, Tongji University, Shanghai, 200065, China. .,Frontier Science Center for Stem Cell Research, Tongji University, Shanghai, 200065, China.
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113
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Zhuang H, Ren X, Zhang Y, Jiang F, Zhou P. Trimethylamine-N-oxide sensitizes chondrocytes to mechanical loading through the upregulation of Piezo1. Food Chem Toxicol 2023; 175:113726. [PMID: 36925039 DOI: 10.1016/j.fct.2023.113726] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Revised: 02/23/2023] [Accepted: 03/13/2023] [Indexed: 03/17/2023]
Abstract
BACKGROUND Mechanical strain plays a crucial role in chondrocyte apoptosis and osteoarthritis (OA) disease progression through Piezo1. Trimethylamine-N-oxide (TMAO) is a diet-derived metabolite that correlates positively with multiple chronic diseases. Herein, we explored the potential role of TMAO in sensitizing chondrocytes to Piezo1-mediated mechanotransduction. METHODS The cytotoxicity of TMAO on chondrocytes was assayed. Piezo1 expression was measured after TMAO intervention. Pathological mechanical loading or Yoda1 (a specific Piezo1 channel activator) was administered in chondrocytes. The calcium levels and cytoskeleton in chondrocytes were observed by fluorescence microscopy. Flow cytometry, western blotting, and mitochondrial membrane potential assays were utilized to evaluate apoptosis. A rat OA model was constructed by anterior cruciate ligament transection. Hematoxylin-eosin staining, Safranin-O/Fast Green staining, immunochemistry, and TUNEL were applied to estimate OA severity. RESULTS TMAO intervention alone did not affect chondrocyte viability up to 600 μM. TMAO significantly increased Piezo1 expression and up-regulated intracellular calcium levels, further leading to cytoskeletal damage. Mechanical strain or Yoda1 treatment significantly induced chondrocyte apoptosis. Notably, TMAO intervention further aggravated chondrocyte apoptosis and cartilage destruction under pathological mechanical loading. CONCLUSION TMAO significantly up-regulated Piezo1 expression and sensitized chondrocytes to mechanical loading, which may be closely related to the pathogenesis of OA.
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Affiliation(s)
- Huangming Zhuang
- Department of Orthopedics, Renmin Hospital of Wuhan University, Wuhan, China
| | - Xunshan Ren
- Department of Orthopedics, Renmin Hospital of Wuhan University, Wuhan, China
| | - Yuelong Zhang
- Department of Orthopedics, Renmin Hospital of Wuhan University, Wuhan, China
| | - Fuze Jiang
- Department of Orthopedics, Renmin Hospital of Wuhan University, Wuhan, China
| | - Panghu Zhou
- Department of Orthopedics, Renmin Hospital of Wuhan University, Wuhan, China.
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114
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Optical control of PIEZO1 channels. Nat Commun 2023; 14:1269. [PMID: 36882406 PMCID: PMC9992513 DOI: 10.1038/s41467-023-36931-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Accepted: 02/24/2023] [Indexed: 03/09/2023] Open
Abstract
PIEZO proteins are unusually large, mechanically-activated trimeric ion channels. The central pore features structural similarities with the pore of other trimeric ion channels, including purinergic P2X receptors, for which optical control of channel gating has been previously achieved with photoswitchable azobenzenes. Extension of these chemical optogenetics methods to mechanically-activated ion channels would provide tools for specific manipulation of pore activity alternative to non-specific mechanical stimulations. Here we report a light-gated mouse PIEZO1 channel, in which an azobenzene-based photoswitch covalently tethered to an engineered cysteine, Y2464C, localized at the extracellular apex of the transmembrane helix 38, rapidly triggers channel gating upon 365-nm-light irradiation. We provide evidence that this light-gated channel recapitulates mechanically-activated PIEZO1 functional properties, and show that light-induced molecular motions are similar to those evoked mechanically. These results push the limits of azobenzene-based methods to unusually large ion channels and provide a simple stimulation means to specifically interrogate PIEZO1 function.
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115
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Nagai S, Kitamura K, Kimura M, Yamamoto H, Katakura A, Shibukawa Y. Functional Expression of Mechanosensitive Piezo1/TRPV4 Channels in Mouse Osteoblasts. THE BULLETIN OF TOKYO DENTAL COLLEGE 2023; 64:1-11. [PMID: 36792153 DOI: 10.2209/tdcpublication.2022-0015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/16/2023]
Abstract
Mechanical stress is an important regulatory factor in bone homeostasis. Mechanical stimulation of osteoblasts has been shown to elicit an increase in the concentration of intracellular free Ca2+ ([Ca2+]i). The pattern of functional expression of mechanosensitive ion channels remains unclear, however. Therefore, the purpose of this study was to investigate the pharmacological characteristics of [Ca2+]i in response to direct mechanical stimulation in osteoblasts. The morphological expression of mechanosensitive ion channels was also examined. Mouse osteoblast-like cells (MC3T3-E1 cells) were loaded with fura-2-acetoxymethyl ester, after which [Ca2+]i was measured. Increased levels of [Ca2+]i were observed in MC3T3-E1 cells in response to direct mechanical stimulation by means of a glass micropipette, but no desensitization. Application of a hypotonic solution also induced an increase in [Ca2+]i but was accompanied by a desensitizing effect. Extracellular Gd3+, GsMTx4, or RN-1734 reversibly inhibited this mechanical stimulation-induced increase in [Ca2+]i, whereas no inhibitory effect was observed with HC030031 or clemizole. When osteoblasts were stimulated with Yoda1, an increase was observed in [Ca2+]i together with a significant desensitizing effect. Immunoreactivity against Piezo1 and TRPV4 channel antibodies was detected in MC3T3-E1 cells. These results suggest that osteoblasts express Piezo1 and TRPV4 channels, which are involved in mechanosensitive processes during mechanical stress.
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Affiliation(s)
- Sayoko Nagai
- Department of Physiology, Tokyo Dental College.,Department of Oral Pathobiological Science and Surgery, Tokyo Dental College
| | - Kei Kitamura
- Department of Histology and Developmental Biology, Tokyo Dental College
| | - Maki Kimura
- Department of Physiology, Tokyo Dental College
| | - Hitoshi Yamamoto
- Department of Histology and Developmental Biology, Tokyo Dental College
| | - Akira Katakura
- Department of Oral Pathobiological Science and Surgery, Tokyo Dental College
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Savadipour A, Palmer D, Ely EV, Collins KH, Garcia-Castorena JM, Harissa Z, Kim YS, Oestrich A, Qu F, Rashidi N, Guilak F. The role of PIEZO ion channels in the musculoskeletal system. Am J Physiol Cell Physiol 2023; 324:C728-C740. [PMID: 36717101 PMCID: PMC10027092 DOI: 10.1152/ajpcell.00544.2022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Revised: 01/23/2023] [Accepted: 01/23/2023] [Indexed: 02/01/2023]
Abstract
PIEZO1 and PIEZO2 are mechanosensitive cation channels that are highly expressed in numerous tissues throughout the body and exhibit diverse, cell-specific functions in multiple organ systems. Within the musculoskeletal system, PIEZO1 functions to maintain muscle and bone mass, sense tendon stretch, and regulate senescence and apoptosis in response to mechanical stimuli within cartilage and the intervertebral disc. PIEZO2 is essential for transducing pain and touch sensations as well as proprioception in the nervous system, which can affect musculoskeletal health. PIEZO1 and PIEZO2 have been shown to act both independently as well as synergistically in different cell types. Conditions that alter PIEZO channel mechanosensitivity, such as inflammation or genetic mutations, can have drastic effects on these functions. For this reason, therapeutic approaches for PIEZO-related disease focus on altering PIEZO1 and/or PIEZO2 activity in a controlled manner, either through inhibition with small molecules, or through dietary control and supplementation to maintain a healthy cell membrane composition. Although many opportunities to better understand PIEZO1 and PIEZO2 remain, the studies summarized in this review highlight how crucial PIEZO channels are to musculoskeletal health and point to promising possible avenues for their modulation as a therapeutic target.
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Affiliation(s)
- Alireza Savadipour
- Department of Orthopaedic Surgery, Washington University School of Medicine, St. Louis, Missouri, United States
- Shriners Hospitals for Children - St. Louis, St. Louis, Missouri, United States
- Center of Regenerative Medicine, Washington University School of Medicine, St. Louis, Missouri, United States
- Department of Mechanical Engineering and Materials Science, Washington University, St. Louis, Missouri, United States
| | - Daniel Palmer
- Department of Orthopaedic Surgery, Washington University School of Medicine, St. Louis, Missouri, United States
- Shriners Hospitals for Children - St. Louis, St. Louis, Missouri, United States
- Center of Regenerative Medicine, Washington University School of Medicine, St. Louis, Missouri, United States
- Department of Biomedical Engineering, Washington University, St. Louis, Missouri, United States
| | - Erica V Ely
- Department of Orthopaedic Surgery, Washington University School of Medicine, St. Louis, Missouri, United States
- Shriners Hospitals for Children - St. Louis, St. Louis, Missouri, United States
- Center of Regenerative Medicine, Washington University School of Medicine, St. Louis, Missouri, United States
- Department of Biomedical Engineering, Washington University, St. Louis, Missouri, United States
| | - Kelsey H Collins
- Department of Orthopaedic Surgery, Washington University School of Medicine, St. Louis, Missouri, United States
- Shriners Hospitals for Children - St. Louis, St. Louis, Missouri, United States
- Center of Regenerative Medicine, Washington University School of Medicine, St. Louis, Missouri, United States
| | - Jaquelin M Garcia-Castorena
- Department of Orthopaedic Surgery, Washington University School of Medicine, St. Louis, Missouri, United States
- Shriners Hospitals for Children - St. Louis, St. Louis, Missouri, United States
- Center of Regenerative Medicine, Washington University School of Medicine, St. Louis, Missouri, United States
- Division of Biology and Biomedical Sciences, Washington University School of Medicine, St. Louis, Missouri, United States
| | - Zainab Harissa
- Department of Orthopaedic Surgery, Washington University School of Medicine, St. Louis, Missouri, United States
- Shriners Hospitals for Children - St. Louis, St. Louis, Missouri, United States
- Center of Regenerative Medicine, Washington University School of Medicine, St. Louis, Missouri, United States
- Department of Biomedical Engineering, Washington University, St. Louis, Missouri, United States
| | - Yu Seon Kim
- Department of Orthopaedic Surgery, Washington University School of Medicine, St. Louis, Missouri, United States
- Shriners Hospitals for Children - St. Louis, St. Louis, Missouri, United States
- Center of Regenerative Medicine, Washington University School of Medicine, St. Louis, Missouri, United States
| | - Arin Oestrich
- Department of Orthopaedic Surgery, Washington University School of Medicine, St. Louis, Missouri, United States
- Shriners Hospitals for Children - St. Louis, St. Louis, Missouri, United States
- Center of Regenerative Medicine, Washington University School of Medicine, St. Louis, Missouri, United States
| | - Feini Qu
- Department of Orthopaedic Surgery, Washington University School of Medicine, St. Louis, Missouri, United States
- Shriners Hospitals for Children - St. Louis, St. Louis, Missouri, United States
- Center of Regenerative Medicine, Washington University School of Medicine, St. Louis, Missouri, United States
| | - Neda Rashidi
- Department of Orthopaedic Surgery, Washington University School of Medicine, St. Louis, Missouri, United States
- Shriners Hospitals for Children - St. Louis, St. Louis, Missouri, United States
- Center of Regenerative Medicine, Washington University School of Medicine, St. Louis, Missouri, United States
- Department of Mechanical Engineering and Materials Science, Washington University, St. Louis, Missouri, United States
| | - Farshid Guilak
- Department of Orthopaedic Surgery, Washington University School of Medicine, St. Louis, Missouri, United States
- Shriners Hospitals for Children - St. Louis, St. Louis, Missouri, United States
- Center of Regenerative Medicine, Washington University School of Medicine, St. Louis, Missouri, United States
- Department of Mechanical Engineering and Materials Science, Washington University, St. Louis, Missouri, United States
- Department of Biomedical Engineering, Washington University, St. Louis, Missouri, United States
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Carrisoza-Gaytan R, Kroll KT, Hiratsuka K, Gupta NR, Morizane R, Lewis JA, Satlin LM. Functional maturation of kidney organoid tubules: PIEZO1-mediated Ca 2+ signaling. Am J Physiol Cell Physiol 2023; 324:C757-C768. [PMID: 36745528 PMCID: PMC10027089 DOI: 10.1152/ajpcell.00288.2022] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Revised: 01/25/2023] [Accepted: 01/26/2023] [Indexed: 02/07/2023]
Abstract
Kidney organoids cultured on adherent matrices in the presence of superfusate flow generate vascular networks and exhibit more mature podocyte and tubular compartments compared with static controls (Homan KA, Gupta N, Kroll KT, Kolesky DB, Skylar-Scott M, Miyoshi T, Mau D, Valerius MT, Ferrante T, Bonventre JV, Lewis JA, Morizane R. Nat Methods 16: 255-262, 2019; Takasato M, Er PX, Chiu HS, Maier B, Baillie GJ, Ferguson C, Parton RG, Wolvetang EJ, Roost MS, Chuva de Sousa Lopes SM, Little MH. Nature 526: 564-568, 2015.). However, their physiological function has yet to be systematically investigated. Here, we measured mechano-induced changes in intracellular Ca2+ concentration ([Ca2+]i) in tubules isolated from organoids cultured for 21-64 days, microperfused in vitro or affixed to the base of a specimen chamber, and loaded with fura-2 to measure [Ca2+]i. A rapid >2.5-fold increase in [Ca2+]i from a baseline of 195.0 ± 22.1 nM (n = 9; P ≤ 0.001) was observed when microperfused tubules from organoids >40 days in culture were subjected to luminal flow. In contrast, no response was detected in tubules isolated from organoids <30 days in culture. Nonperfused tubules (41 days) subjected to a 10-fold increase in bath flow rate also exhibited a threefold increase in [Ca2+]i from baseline (P < 0.001). Mechanosensitive PIEZO1 channels contribute to the flow-induced [Ca2+]i response in mouse distal tubule (Carrisoza-Gaytan R, Dalghi MG, Apodaca GL, Kleyman TR, Satlin LM. The FASEB J 33: 824.25, 2019.). Immunodetectable apical and basolateral PIEZO1 was identified in tubular structures by 21 days in culture. Basolateral PIEZO1 appeared to be functional as basolateral exposure of nonperfused tubules to the PIEZO1 activator Yoda 1 increased [Ca2+]i (P ≤ 0.001) in segments from organoids cultured for >30 days, with peak [Ca2+]i increasing with advancing days in culture. These results are consistent with a maturational increase in number and/or activity of flow/stretch-sensitive Ca2+ channels, including PIEZO1, in tubules of static organoids in culture.
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Affiliation(s)
- Rolando Carrisoza-Gaytan
- Department of Pediatrics, Icahn School of Medicine at Mount Sinai, New York, New York, United States
| | - Katharina T Kroll
- Paulson School of Engineering and Applied Sciences, Wyss Institute for Biologically Inspired Engineering, Harvard University, Cambridge, Massachusetts, United States
| | - Ken Hiratsuka
- Paulson School of Engineering and Applied Sciences, Wyss Institute for Biologically Inspired Engineering, Harvard University, Cambridge, Massachusetts, United States
- Nephrology Division, Massachusetts General Hospital, Boston, Massachusetts, United States
- Department of Medicine, Harvard Medical School, Boston, Massachusetts, United States
| | - Navin R Gupta
- Nephrology Division, Massachusetts General Hospital, Boston, Massachusetts, United States
- Department of Medicine, Harvard Medical School, Boston, Massachusetts, United States
| | - Ryuji Morizane
- Paulson School of Engineering and Applied Sciences, Wyss Institute for Biologically Inspired Engineering, Harvard University, Cambridge, Massachusetts, United States
- Nephrology Division, Massachusetts General Hospital, Boston, Massachusetts, United States
- Department of Medicine, Harvard Medical School, Boston, Massachusetts, United States
- Harvard Stem Cell Institute, Cambridge, Massachusetts, United States
| | - Jennifer A Lewis
- Paulson School of Engineering and Applied Sciences, Wyss Institute for Biologically Inspired Engineering, Harvard University, Cambridge, Massachusetts, United States
- Harvard Stem Cell Institute, Cambridge, Massachusetts, United States
| | - Lisa M Satlin
- Department of Pediatrics, Icahn School of Medicine at Mount Sinai, New York, New York, United States
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118
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Qiu X, Deng Z, Wang M, Feng Y, Bi L, Li L. Piezo protein determines stem cell fate by transmitting mechanical signals. Hum Cell 2023; 36:540-553. [PMID: 36580272 DOI: 10.1007/s13577-022-00853-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Accepted: 12/21/2022] [Indexed: 12/30/2022]
Abstract
Piezo ion channel is a mechanosensitive protein on the cell membrane, which contains Piezo1 and Piezo2. Piezo channels are activated by mechanical forces, including stretch, matrix stiffness, static pressure, and shear stress. Piezo channels transmit mechanical signals that cause different downstream responses in the differentiation process, including integrin signaling pathway, ERK1/2 MAPK signaling pathway, Notch signaling, and WNT signaling pathway. In the fate of stem cell differentiation, scientists found differences in Piezo channel expression and found that Piezo channel expression is related to developmental diseases. Here, we briefly review the structure and function of Piezo channels and the relationship between Piezo and mechanical signals, discussing the current understanding of the role of Piezo channels in stem cell fate and associated molecules and developmental diseases. Ultimately, we believe this review will help identify the association between Piezo channels and stem cell fate.
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Affiliation(s)
- Xiaolei Qiu
- Department of Vascular Surgery, China-Japan Union Hospital of Jilin University, Changchun, 130033, China
- The Key Laboratory of Pathobiology, Ministry of Education, College of Basic Medical Sciences, Jilin University, Changchun, 130021, China
| | - Zhuoyue Deng
- The Key Laboratory of Pathobiology, Ministry of Education, College of Basic Medical Sciences, Jilin University, Changchun, 130021, China
| | - Meijing Wang
- Department of Pathology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710004, China
| | - Yuqi Feng
- The Key Laboratory of Pathobiology, Ministry of Education, College of Basic Medical Sciences, Jilin University, Changchun, 130021, China
| | - Lintao Bi
- Department of Hematology and Oncology, China-Japan Union Hospital of Jilin University, Changchun, 130033, China.
| | - Lisha Li
- The Key Laboratory of Pathobiology, Ministry of Education, College of Basic Medical Sciences, Jilin University, Changchun, 130021, China
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119
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Dela Justina V, de Freitas RA, Arishe OO, Giachini FR, Webb RC, Priviero F. Piezo1 activation induces relaxation of the pudendal artery and corpus cavernosum. Front Physiol 2023; 14:998951. [PMID: 36846322 PMCID: PMC9950814 DOI: 10.3389/fphys.2023.998951] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Accepted: 01/30/2023] [Indexed: 02/12/2023] Open
Abstract
Piezo1 channel is a sensor for shear-stress in the vasculature. Piezo1 activation induces vasodilation, and its deficiency contributes to vascular disorders, such as hypertension. In this study, we aimed to determine whether Piezo1 channel has a functional role in the dilation of pudendal arteries and corpus cavernosum (CC). For this, male Wistar rats were used, and the relaxation of the pudendal artery and CC was obtained using the Piezo1 activator, Yoda1, in the presence and absence of Dooku (Yoda1 antagonist), GsMTx4 (non-selective mechanosensory channel inhibitor) and L-NAME (nitric oxide synthase inhibitor). In the CC, Yoda1 was also tested in the presence of indomethacin (non-selective COX inhibitor) and tetraethylammonium (TEA, non-selective potassium channel inhibitor). The expression of Piezo1 was confirmed by Western blotting. Our data show that Piezo1 activation leads to the relaxation of the pudendal artery and CC as the chemical activator of Piezo1, Yoda1, relaxed the pudendal artery (47%) and CC (41%). This response was impaired by L-NAME and abolished by Dooku and GsMTx4 in the pudendal artery only. Indomethacin and TEA did not affect the relaxation induced by Yoda1 in the CC. Limited tools to explore this channel prevent further investigation of its underlying mechanisms of action. In conclusion, our data demonstrate that Piezo1 is expressed and induced the relaxation of the pudendal artery and CC. Further studies are necessary to determine its role in penile erection and if erectile dysfunction is associated with Piezo1 deficiency.
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Affiliation(s)
- Vanessa Dela Justina
- Graduate Program in Biological Sciences, Federal University of Goias, Goiânia, Goias, Brazil
| | - Raiany Alves de Freitas
- Graduate Program in Biological Sciences, Federal University of Goias, Goiânia, Goias, Brazil
| | - Olufunke O. Arishe
- Department of Cell Biology and Anatomy—School of Medicine, University of South Carolina, Columbia, SC, United States,Cardiovascular Translational Research Center—School of Medicine, University of South Carolina, Columbia, SC, United States
| | - Fernanda R. Giachini
- Graduate Program in Biological Sciences, Federal University of Goias, Goiânia, Goias, Brazil,Institute of Biological Sciences and Health, Federal University of Mato Grosso, Barra do Garças, Mato Grosso, Brazil
| | - R. Clinton Webb
- Department of Cell Biology and Anatomy—School of Medicine, University of South Carolina, Columbia, SC, United States,Cardiovascular Translational Research Center—School of Medicine, University of South Carolina, Columbia, SC, United States
| | - Fernanda Priviero
- Department of Cell Biology and Anatomy—School of Medicine, University of South Carolina, Columbia, SC, United States,Cardiovascular Translational Research Center—School of Medicine, University of South Carolina, Columbia, SC, United States,*Correspondence: Fernanda Priviero,
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120
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Hirano K, Tsuchiya M, Shiomi A, Takabayashi S, Suzuki M, Ishikawa Y, Kawano Y, Takabayashi Y, Nishikawa K, Nagao K, Umemoto E, Kitajima Y, Ono Y, Nonomura K, Shintaku H, Mori Y, Umeda M, Hara Y. The mechanosensitive ion channel PIEZO1 promotes satellite cell function in muscle regeneration. Life Sci Alliance 2023; 6:6/2/e202201783. [PMID: 36446523 PMCID: PMC9711862 DOI: 10.26508/lsa.202201783] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2022] [Revised: 11/08/2022] [Accepted: 11/08/2022] [Indexed: 11/30/2022] Open
Abstract
Muscle satellite cells (MuSCs), myogenic stem cells in skeletal muscles, play an essential role in muscle regeneration. After skeletal muscle injury, quiescent MuSCs are activated to enter the cell cycle and proliferate, thereby initiating regeneration; however, the mechanisms that ensure successful MuSC division, including chromosome segregation, remain unclear. Here, we show that PIEZO1, a calcium ion (Ca2+)-permeable cation channel activated by membrane tension, mediates spontaneous Ca2+ influx to control the regenerative function of MuSCs. Our genetic engineering approach in mice revealed that PIEZO1 is functionally expressed in MuSCs and that Piezo1 deletion in these cells delays myofibre regeneration after injury. These results are, at least in part, due to a mitotic defect in MuSCs. Mechanistically, this phenotype is caused by impaired PIEZO1-Rho signalling during myogenesis. Thus, we provide the first concrete evidence that PIEZO1, a bona fide mechanosensitive ion channel, promotes proliferation and regenerative functions of MuSCs through precise control of cell division.
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Affiliation(s)
- Kotaro Hirano
- Department of Synthetic Chemistry and Biological Chemistry, Graduate School of Engineering, Kyoto University, Kyoto, Japan.,School of Pharmaceutical Sciences, University of Shizuoka, Shizuoka, Japan
| | - Masaki Tsuchiya
- Department of Synthetic Chemistry and Biological Chemistry, Graduate School of Engineering, Kyoto University, Kyoto, Japan.,PRESTO, JST, Kawaguchi-shi, Saitama, Japan
| | - Akifumi Shiomi
- Microfluidics RIKEN Hakubi Research Team, RIKEN Cluster for Pioneering Research, Wako, Saitama, Japan
| | - Seiji Takabayashi
- Department of Synthetic Chemistry and Biological Chemistry, Graduate School of Engineering, Kyoto University, Kyoto, Japan
| | - Miki Suzuki
- School of Pharmaceutical Sciences, University of Shizuoka, Shizuoka, Japan
| | - Yudai Ishikawa
- School of Pharmaceutical Sciences, University of Shizuoka, Shizuoka, Japan
| | - Yuya Kawano
- School of Pharmaceutical Sciences, University of Shizuoka, Shizuoka, Japan
| | - Yutaka Takabayashi
- School of Pharmaceutical Sciences, University of Shizuoka, Shizuoka, Japan
| | - Kaori Nishikawa
- Microfluidics RIKEN Hakubi Research Team, RIKEN Cluster for Pioneering Research, Wako, Saitama, Japan
| | - Kohjiro Nagao
- Department of Synthetic Chemistry and Biological Chemistry, Graduate School of Engineering, Kyoto University, Kyoto, Japan
| | - Eiji Umemoto
- School of Pharmaceutical Sciences, University of Shizuoka, Shizuoka, Japan
| | - Yasuo Kitajima
- Department of Immunology, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
| | - Yusuke Ono
- Department of Muscle Development and Regeneration, Institute of Molecular Embryology and Genetics, Kumamoto University, Kumamoto, Japan
| | - Keiko Nonomura
- Division of Embryology, National Institute for Basic Biology, Aichi, Japan.,Department of Basic Biology, School of Life Science, SOKENDAI, Okazaki, Japan.,Department of Life Science and Technology, Tokyo Tech, Yokohama, Japan
| | - Hirofumi Shintaku
- Microfluidics RIKEN Hakubi Research Team, RIKEN Cluster for Pioneering Research, Wako, Saitama, Japan
| | - Yasuo Mori
- Department of Synthetic Chemistry and Biological Chemistry, Graduate School of Engineering, Kyoto University, Kyoto, Japan
| | - Masato Umeda
- Department of Synthetic Chemistry and Biological Chemistry, Graduate School of Engineering, Kyoto University, Kyoto, Japan
| | - Yuji Hara
- School of Pharmaceutical Sciences, University of Shizuoka, Shizuoka, Japan
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121
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Karska J, Kowalski S, Saczko J, Moisescu MG, Kulbacka J. Mechanosensitive Ion Channels and Their Role in Cancer Cells. MEMBRANES 2023; 13:167. [PMID: 36837670 PMCID: PMC9965697 DOI: 10.3390/membranes13020167] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/05/2023] [Revised: 01/25/2023] [Accepted: 01/26/2023] [Indexed: 06/18/2023]
Abstract
Mechanical forces are an inherent element in the world around us. The effects of their action can be observed both on the macro and molecular levels. They can also play a prominent role in the tissues and cells of animals due to the presence of mechanosensitive ion channels (MIChs) such as the Piezo and TRP families. They are essential in many physiological processes in the human body. However, their role in pathology has also been observed. Recent discoveries have highlighted the relationship between these channels and the development of malignant tumors. Multiple studies have shown that MIChs mediate the proliferation, migration, and invasion of various cancer cells via various mechanisms. This could show MIChs as new potential biomarkers in cancer detection and prognosis and interesting therapeutic targets in modern oncology. Our paper is a review of the latest literature on the role of the Piezo1 and TRP families in the molecular mechanisms of carcinogenesis in different types of cancer.
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Affiliation(s)
- Julia Karska
- Faculty of Medicine, Wroclaw Medical University, 50-345 Wroclaw, Poland
| | - Szymon Kowalski
- Faculty of Medicine, Wroclaw Medical University, 50-345 Wroclaw, Poland
| | - Jolanta Saczko
- Department of Molecular and Cellular Biology, Faculty of Pharmacy, Wroclaw Medical University, 50-556 Wroclaw, Poland
| | - Mihaela G. Moisescu
- Department of Biophysics and Cellular Biotechnology, Research Center of Excellence in Biophysics and Cellular Biotechnology, Faculty of Medicine, Carol Davila University of Medicine and Pharmacy, 050474 Bucharest, Romania
| | - Julita Kulbacka
- Department of Molecular and Cellular Biology, Faculty of Pharmacy, Wroclaw Medical University, 50-556 Wroclaw, Poland
- Department of Immunology, State Research Institute Centre for Innovative Medicine, 08406 Vilnius, Lithuania
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122
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Mechanotransduction for Muscle Protein Synthesis via Mechanically Activated Ion Channels. Life (Basel) 2023; 13:life13020341. [PMID: 36836698 PMCID: PMC9962945 DOI: 10.3390/life13020341] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2023] [Revised: 01/24/2023] [Accepted: 01/26/2023] [Indexed: 02/03/2023] Open
Abstract
Cell mechanotransduction, the ability to detect physical forces and convert them into a series of biochemical events, is important for a wide range of physiological processes. Cells express an array of mechanosensors transducing physical forces into intracellular signaling cascades, including ion channels. Ion channels that can be directly activated by mechanical cues are known as mechanically activated (MA), or stretch-activated (SA), channels. In response to repeated exposures to mechanical stimulation in the form of resistance training, enhanced protein synthesis and fiber hypertrophy are elicited in skeletal muscle, whereas a lack of mechanical stimuli due to inactivity/mechanical unloading leads to reduced muscle protein synthesis and fiber atrophy. To date, the role of MA channels in the transduction of mechanical load to intracellular signaling pathways regulating muscle protein synthesis is poorly described. This review article will discuss MA channels in striated muscle, their regulation, and putative roles in the anabolic processes in muscle cells/fibers in response to mechanical stimuli.
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123
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Zhu T, Guo J, Wu Y, Lei T, Zhu J, Chen H, Kala S, Wong KF, Cheung CP, Huang X, Zhao X, Yang M, Sun L. The mechanosensitive ion channel Piezo1 modulates the migration and immune response of microglia. iScience 2023; 26:105993. [PMID: 36798430 PMCID: PMC9926228 DOI: 10.1016/j.isci.2023.105993] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2022] [Revised: 11/28/2022] [Accepted: 01/12/2023] [Indexed: 01/19/2023] Open
Abstract
Microglia are the brain's resident immune cells, performing surveillance to promote homeostasis and healthy functioning. While microglial chemical signaling is well-studied, mechanical cues regulating their function are less well-understood. Here, we investigate the role of the mechanosensitive ion channel Piezo1 in microglia migration, pro-inflammatory cytokine production, and stiffness sensing. In Piezo1 knockout transgenic mice, we demonstrated the functional expression of Piezo1 in microglia and identified genes whose expression was consequently affected. Functional assays revealed that Piezo1 deficiency in microglia enhanced migration toward amyloid β-protein, and decreased levels of pro-inflammatory cytokines produced upon stimulation by lipopolysaccharide, both in vitro and in vivo. The phenomenon could be mimicked or reversed chemically using a Piezo1-specific agonist or antagonist. Finally, we also showed that Piezo1 mediated the effect of substrate stiffness-induced migration and cytokine expression. Altogether, we show that Piezo1 is an important molecular mediator for microglia, its activation modulating microglial migration and immune responses.
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Affiliation(s)
- Ting Zhu
- Department of Biomedical Engineering, the Hong Kong Polytechnic University, Hung Hom, Hong Kong SAR 999077, P. R. China
| | - Jinghui Guo
- Department of Biomedical Engineering, the Hong Kong Polytechnic University, Hung Hom, Hong Kong SAR 999077, P. R. China
| | - Yong Wu
- Department of Biomedical Engineering, the Hong Kong Polytechnic University, Hung Hom, Hong Kong SAR 999077, P. R. China
| | - Ting Lei
- Department of Biomedical Engineering, the Hong Kong Polytechnic University, Hung Hom, Hong Kong SAR 999077, P. R. China
| | - Jiejun Zhu
- Department of Biomedical Engineering, the Hong Kong Polytechnic University, Hung Hom, Hong Kong SAR 999077, P. R. China
| | - Hui Chen
- Biotherapy Centre, the Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, China,Cell-gene Therapy Translational Medicine Research Centre, the Third Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Shashwati Kala
- Department of Biomedical Engineering, the Hong Kong Polytechnic University, Hung Hom, Hong Kong SAR 999077, P. R. China
| | - Kin Fung Wong
- Department of Biomedical Engineering, the Hong Kong Polytechnic University, Hung Hom, Hong Kong SAR 999077, P. R. China
| | - Chi Pong Cheung
- Department of Biomedical Engineering, the Hong Kong Polytechnic University, Hung Hom, Hong Kong SAR 999077, P. R. China
| | - Xiaohui Huang
- Department of Biomedical Engineering, the Hong Kong Polytechnic University, Hung Hom, Hong Kong SAR 999077, P. R. China
| | - Xinyi Zhao
- Department of Biomedical Engineering, the Hong Kong Polytechnic University, Hung Hom, Hong Kong SAR 999077, P. R. China
| | - Minyi Yang
- Department of Biomedical Engineering, the Hong Kong Polytechnic University, Hung Hom, Hong Kong SAR 999077, P. R. China
| | - Lei Sun
- Department of Biomedical Engineering, the Hong Kong Polytechnic University, Hung Hom, Hong Kong SAR 999077, P. R. China,Corresponding author
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124
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FM1-43 Dye Memorizes Piezo1 Activation in the Trigeminal Nociceptive System Implicated in Migraine Pain. Int J Mol Sci 2023; 24:ijms24021688. [PMID: 36675204 PMCID: PMC9861983 DOI: 10.3390/ijms24021688] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Revised: 01/11/2023] [Accepted: 01/12/2023] [Indexed: 01/18/2023] Open
Abstract
It has been proposed that mechanosensitive Piezo1 channels trigger migraine pain in trigeminal nociceptive neurons, but the mechanosensitivity of satellite glial cells (SGCs) supporting neuronal sensitization has not been tested before. Moreover, tools to monitor previous Piezo1 activation are not available. Therefore, by using live calcium imaging with Fluo-4 AM and labeling with FM1-43 dye, we explored a new strategy to identify Piezo channels' activity in mouse trigeminal neurons, SGCs, and isolated meninges. The specific Piezo1 agonist Yoda1 induced calcium transients in both neurons and SGCs, suggesting the functional expression of Piezo1 channels in both types of cells. In Piezo1-transfected HEK cells, FM1-43 produced only a transient fluorescent response, whereas co-application with Yoda1 provided higher transient signals and a remarkable long-lasting FM1-43 'tail response'. A similar Piezo1-related FM1-43 trapping was observed in neurons and SGCs. The non-specific Piezo channel blocker, Gadolinium, inhibited the transient peak, confirming the involvement of Piezo1 receptors. Finally, FM1-43 labeling demonstrated previous activity in meningeal tissues 3.5 h after Yoda1 washout. Our data indicated that trigeminal neurons and SGCs express functional Piezo channels, and their activation provides sustained labeling with FM1-43. This long-lasting labelling can be used to monitor the ongoing and previous activation of Piezo1 channels in the trigeminal nociceptive system, which is implicated in migraine pain.
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125
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Ventrella R, Kim SK, Sheridan J, Grata A, Bresteau E, Hassan O, Suva EE, Walentek P, Mitchell B. Bidirectional multiciliated cell extrusion is controlled by Notch driven basal extrusion and Piezo 1 driven apical extrusion. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.01.12.523838. [PMID: 36711534 PMCID: PMC9882179 DOI: 10.1101/2023.01.12.523838] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
Xenopus embryos are covered with a complex epithelium containing numerous multiciliated cells (MCCs). During late stage development there is a dramatic remodeling of the epithelium that involves the complete loss of MCCs. Cell extrusion is a well-characterized process for driving cell loss while maintaining epithelial barrier function. Normal cell extrusion is typically unidirectional whereas bidirectional extrusion is often associated with disease (e.g. cancer). We describe two distinct mechanisms for MCC extrusion, a basal extrusion driven by Notch signaling and an apical extrusion driven by Piezo1. Early in the process there is a strong bias towards basal extrusion, but as development continues there is a shift towards apical extrusion. Importantly, receptivity to the Notch signal is age-dependent and governed by the maintenance of the MCC transcriptional program such that extension of this program is protective against cell loss. In contrast, later apical extrusion is regulated by Piezo 1 such that premature activation of Piezo 1 leads to early extrusion while blocking Piezo 1 leads to MCC maintenance. Distinct mechansms for MCC loss underlie the importance of their removal during epithelial remodeling. Summay Statement Cell extrusion typically occurs unidirectionally. We have identified a single population of multiciliated cells that extrudes bidirectionally: Notch-driven basal extrusion and Piezo 1-mediated apical extrusion.
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Affiliation(s)
- Rosa Ventrella
- Northwestern University, Feinberg School of Medicine, Department of Cell and Developmental Biology
- Current position; Assistant professor, Precision Medicine Program, Midwestern University
| | - Sun K. Kim
- Northwestern University, Feinberg School of Medicine, Department of Cell and Developmental Biology
| | - Jennifer Sheridan
- Northwestern University, Feinberg School of Medicine, Department of Cell and Developmental Biology
| | - Aline Grata
- Northwestern University, Feinberg School of Medicine, Department of Cell and Developmental Biology
| | - Enzo Bresteau
- Northwestern University, Feinberg School of Medicine, Department of Cell and Developmental Biology
| | - Osama Hassan
- Northwestern University, Feinberg School of Medicine, Department of Cell and Developmental Biology
| | - Eve E. Suva
- Northwestern University, Feinberg School of Medicine, Department of Cell and Developmental Biology
| | - Peter Walentek
- University of Freiburg, Renal Division, Internal Medicine IV, Medical Center and CIBSS Centre for Integrative Biological Signalling Studies
| | - Brian Mitchell
- Northwestern University, Feinberg School of Medicine, Department of Cell and Developmental Biology
- Northwestern University, Lurie Cancer Center
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126
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Karamatic Crew V, Tilley LA, Satchwell TJ, AlSubhi SA, Jones B, Spring FA, Walser PJ, Martins Freire C, Murciano N, Rotordam MG, Woestmann SJ, Hamed M, Alradwan R, AlKhrousey M, Skidmore I, Lewis S, Hussain S, Jackson J, Latham T, Kilby MD, Lester W, Becker N, Rapedius M, Toye AM, Thornton NM. Missense mutations in PIEZO1, which encodes the Piezo1 mechanosensor protein, define Er red blood cell antigens. Blood 2023; 141:135-146. [PMID: 36122374 PMCID: PMC10644042 DOI: 10.1182/blood.2022016504] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Revised: 07/28/2022] [Accepted: 08/15/2022] [Indexed: 01/17/2023] Open
Abstract
Despite the identification of the high-incidence red cell antigen Era nearly 40 years ago, the molecular background of this antigen, together with the other 2 members of the Er blood group collection, has yet to be elucidated. Whole exome and Sanger sequencing of individuals with serologically defined Er alloantibodies identified several missense mutations within the PIEZO1 gene, encoding amino acid substitutions within the extracellular domain of the Piezo1 mechanosensor ion channel. Confirmation of Piezo1 as the carrier molecule for the Er blood group antigens was demonstrated using immunoprecipitation, CRISPR/Cas9-mediated gene knockout, and expression studies in an erythroblast cell line. We report the molecular bases of 5 Er blood group antigens: the recognized Era, Erb, and Er3 antigens and 2 novel high-incidence Er antigens, described here as Er4 and Er5, establishing a new blood group system. Anti-Er4 and anti-Er5 are implicated in severe hemolytic disease of the fetus and newborn. Demonstration of Piezo1, present at just a few hundred copies on the surface of the red blood cell, as the site of a new blood group system highlights the potential antigenicity of even low-abundance membrane proteins and contributes to our understanding of the in vivo characteristics of this important and widely studied protein in transfusion biology and beyond.
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Affiliation(s)
- Vanja Karamatic Crew
- International Blood Group Reference Laboratory, NHS Blood and Transplant, Bristol, United Kingdom
| | - Louise A. Tilley
- International Blood Group Reference Laboratory, NHS Blood and Transplant, Bristol, United Kingdom
| | - Timothy J. Satchwell
- School of Biochemistry, University of Bristol, Bristol, United Kingdom
- National Institute for Health Research Blood and Transplant Research Unit in Red Blood Cell Products, University of Bristol, Bristol, United Kingdom
- Bristol Institute of Transfusion Sciences, NHS Blood and Transplant, Bristol, United Kingdom
| | - Samah A. AlSubhi
- International Blood Group Reference Laboratory, NHS Blood and Transplant, Bristol, United Kingdom
- School of Biochemistry, University of Bristol, Bristol, United Kingdom
- Laboratory Medicine Department, Faculty of Applied Medical Sciences, Umm Al-Qura University, Makkah, Saudi Arabia
| | - Benjamin Jones
- International Blood Group Reference Laboratory, NHS Blood and Transplant, Bristol, United Kingdom
| | - Frances A. Spring
- National Institute for Health Research Blood and Transplant Research Unit in Red Blood Cell Products, University of Bristol, Bristol, United Kingdom
- Bristol Institute of Transfusion Sciences, NHS Blood and Transplant, Bristol, United Kingdom
| | - Piers J. Walser
- Clinical Biotechnology Centre, NHS Blood and Transplant, Bristol, United Kingdom
| | | | - Nicoletta Murciano
- Theoretical Medicine and Biosciences, Saarland University, Homburg, Germany
- Research and Development, Nanion Technologies, Munich, Germany
| | | | | | | | | | | | - Ian Skidmore
- Red Cell Immunohaematology, NHS Blood and Transplant, Birmingham, United Kingdom
| | - Sarah Lewis
- Red Cell Immunohaematology, NHS Blood and Transplant, Birmingham, United Kingdom
| | - Shimon Hussain
- Red Cell Immunohaematology, NHS Blood and Transplant, Birmingham, United Kingdom
| | - Jane Jackson
- Haematology Department at Birmingham Women’s Hospital, Birmingham Women’s and Children’s NHS Foundation Trust, Birmingham, United Kingdom
| | - Tom Latham
- NHS Blood and Transplant, Bristol, United Kingdom
| | - Mark D. Kilby
- College of Medical & Dental Sciences, University of Birmingham, Birmingham, United Kingdom
- Fetal Medicine Centre, Birmingham Women's and Children's NHS Foundation Trust, Birmingham, United Kingdom
| | - William Lester
- Haematology Department at Birmingham Women’s Hospital, Birmingham Women’s and Children’s NHS Foundation Trust, Birmingham, United Kingdom
| | - Nadine Becker
- Research and Development, Nanion Technologies, Munich, Germany
| | - Markus Rapedius
- Research and Development, Nanion Technologies, Munich, Germany
| | - Ashley M. Toye
- School of Biochemistry, University of Bristol, Bristol, United Kingdom
- National Institute for Health Research Blood and Transplant Research Unit in Red Blood Cell Products, University of Bristol, Bristol, United Kingdom
- Bristol Institute of Transfusion Sciences, NHS Blood and Transplant, Bristol, United Kingdom
| | - Nicole M. Thornton
- International Blood Group Reference Laboratory, NHS Blood and Transplant, Bristol, United Kingdom
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127
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Hu J, Chen Q, Zhu H, Hou L, Liu W, Yang Q, Shen H, Chai G, Zhang B, Chen S, Cai Z, Wu C, Hong F, Li H, Chen S, Xiao N, Wang ZX, Zhang X, Wang B, Zhang L, Mo W. Microglial Piezo1 senses Aβ fibril stiffness to restrict Alzheimer's disease. Neuron 2023; 111:15-29.e8. [PMID: 36368316 DOI: 10.1016/j.neuron.2022.10.021] [Citation(s) in RCA: 42] [Impact Index Per Article: 42.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2022] [Revised: 08/15/2022] [Accepted: 10/12/2022] [Indexed: 11/12/2022]
Abstract
The pathology of Alzheimer's disease (AD) is featured with extracellular amyloid-β (Aβ) plaques, whose impact on the mechanical properties of the surrounding brain tissues is unclear. Microglia sense and integrate biochemical cues of the microenvironment. However, whether the microglial mechanosensing pathways influence AD pathogenesis is unknown. Here, we surveyed the elevated stiffness of Aβ-plaque-associated tissues and observed the selective upregulation of the mechanosensitive ion channel Piezo1 in Aβ-plaque-associated microglia. Piezo1 sensed the stiffness stimuli of Aβ fibrils and subsequently induced Ca2+ influx for microglial clustering, phagocytosis, and compacting of Aβ plaques. Microglia lacking Piezo1 led to the exacerbation of Aβ pathology and cognitive decline, whereas pharmacological activation of microglial Piezo1 ameliorated brain Aβ burden and cognitive impairment in 5 × FAD mice. Together, our results reveal that Piezo1, a mechanosensor of Aβ fibril stiffness in microglia, represents a potential therapeutic target for AD.
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Affiliation(s)
- Jin Hu
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Department of Neuroscience, the First Affiliated Hospital, Faculty of Medicine and Life Sciences, Xiamen University, Xiamen, China.
| | - Qiang Chen
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Department of Neuroscience, the First Affiliated Hospital, Faculty of Medicine and Life Sciences, Xiamen University, Xiamen, China
| | - Hongrui Zhu
- Department of Anesthesiology, Xiang'an Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen, China; Department of Anesthesiology, First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
| | - Lichao Hou
- Department of Anesthesiology, Xiang'an Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen, China
| | - Wei Liu
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Department of Neuroscience, the First Affiliated Hospital, Faculty of Medicine and Life Sciences, Xiamen University, Xiamen, China
| | - Qihua Yang
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Department of Neuroscience, the First Affiliated Hospital, Faculty of Medicine and Life Sciences, Xiamen University, Xiamen, China
| | - Huidan Shen
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Department of Neuroscience, the First Affiliated Hospital, Faculty of Medicine and Life Sciences, Xiamen University, Xiamen, China; Department of Anesthesiology, Xiang'an Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen, China
| | - Guolin Chai
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Department of Neuroscience, the First Affiliated Hospital, Faculty of Medicine and Life Sciences, Xiamen University, Xiamen, China
| | - Boxin Zhang
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Department of Neuroscience, the First Affiliated Hospital, Faculty of Medicine and Life Sciences, Xiamen University, Xiamen, China
| | - Shaoxuan Chen
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Department of Neuroscience, the First Affiliated Hospital, Faculty of Medicine and Life Sciences, Xiamen University, Xiamen, China
| | - Zhiyu Cai
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Department of Neuroscience, the First Affiliated Hospital, Faculty of Medicine and Life Sciences, Xiamen University, Xiamen, China
| | - Chongxin Wu
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Department of Neuroscience, the First Affiliated Hospital, Faculty of Medicine and Life Sciences, Xiamen University, Xiamen, China
| | - Fan Hong
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Department of Neuroscience, the First Affiliated Hospital, Faculty of Medicine and Life Sciences, Xiamen University, Xiamen, China
| | - Hongda Li
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Department of Neuroscience, the First Affiliated Hospital, Faculty of Medicine and Life Sciences, Xiamen University, Xiamen, China
| | - Sifang Chen
- Department of Neurosurgery, Xiamen Key Laboratory of Brain Center, the First Affiliated Hospital, School of Medicine, Xiamen University, Xiamen, China
| | - Naian Xiao
- Department of Neurosurgery, Xiamen Key Laboratory of Brain Center, the First Affiliated Hospital, School of Medicine, Xiamen University, Xiamen, China
| | - Zhan-Xiang Wang
- Department of Neurosurgery, Xiamen Key Laboratory of Brain Center, the First Affiliated Hospital, School of Medicine, Xiamen University, Xiamen, China
| | - Xueqin Zhang
- Department of Obstetrics, Women and Children's Hospital, School of Medicine, Xiamen University, Xiamen, China
| | - Bo Wang
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Department of Neuroscience, the First Affiliated Hospital, Faculty of Medicine and Life Sciences, Xiamen University, Xiamen, China
| | - Liang Zhang
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Department of Neuroscience, the First Affiliated Hospital, Faculty of Medicine and Life Sciences, Xiamen University, Xiamen, China.
| | - Wei Mo
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Department of Neuroscience, the First Affiliated Hospital, Faculty of Medicine and Life Sciences, Xiamen University, Xiamen, China.
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128
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Piezo mechanosensory channels regulate centrosome integrity and mitotic entry. Proc Natl Acad Sci U S A 2023; 120:e2213846120. [PMID: 36574677 PMCID: PMC9910506 DOI: 10.1073/pnas.2213846120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
Piezo1 and 2 are evolutionarily conserved mechanosensory cation channels known to function on the cell surface by responding to external pressure and transducing a mechanically activated Ca2+ current. Here we show that both Piezo1 and 2 also exhibit concentrated intracellular localization at centrosomes. Both Piezo1 and 2 loss-of-function and Piezo1 activation by the small molecule Yoda1 result in supernumerary centrosomes, premature centriole disengagement, multi-polar spindles, and mitotic delay. By using a GFP, Calmodulin and M13 Protein fusion (GCaMP) Ca2+-sensitive reporter, we show that perturbations in Piezo modulate Ca2+ flux at centrosomes. Moreover, the inhibition of Polo-like-kinase 1 eliminates Yoda1-induced centriole disengagement. Because previous studies have implicated force generation by microtubules as essential for maintaining centrosomal integrity, we propose that mechanotransduction by Piezo maintains pericentrosomal Ca2+ within a defined range, possibly through sensing cell intrinsic forces from microtubules.
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129
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Shin SM, Itson-Zoske B, Fan F, Gani U, Rahman M, Hogan QH, Yu H. Peripheral sensory neurons and non-neuronal cells express functional Piezo1 channels. Mol Pain 2023; 19:17448069231174315. [PMID: 37247618 PMCID: PMC10240879 DOI: 10.1177/17448069231174315] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2023] [Revised: 04/10/2023] [Accepted: 04/19/2023] [Indexed: 05/31/2023] Open
Abstract
Here, we present evidence showing Piezo1 protein expression in the primary sensory neurons (PSNs) and non-neuronal cells of rat peripheral nervous system. Using a knockdown/knockout validated antibody, we detected Piezo1 immunoreactivity (IR) in ∼60% of PSNs of rat dorsal root ganglia (DRG) with higher IR density in the small- and medium-sized neurons. Piezo1-IR was clearly identified in DRG perineuronal glia, including satellite glial cells (SGCs) and Schwann cells; in sciatic nerve Schwann cells surrounding the axons and cutaneous afferent endings; and in skin epidermal Merkel cells and melanocytes. Neuronal and non-neuronal Piezo1 channels were functional since various cells (dissociated PSNs and SGCs from DRGs, isolated Schwann cells, and primary human melanocytes) exhibited a robust response to Piezo1 agonist Yoda1 by an increase of intracellular Ca2+ concentration ([Ca2+]i). These responses were abolished by non-specific Piezo1 antagonist GsMTx4. Immunoblots showed elevated Piezo1 protein in DRG proximal to peripheral nerve injury-induced painful neuropathy, while PSNs and SGCs from rats with neuropathic pain showed greater Yoda1-evoked elevation of [Ca2+]i and an increased frequency of cells responding to Yoda1, compared to controls. Sciatic nerve application of GsMTx4 alleviated mechanical hypersensitivity induced by Yoda1. Overall, our data show that Piezo1 is widely expressed by the neuronal and non-neuronal cells in the peripheral sensory pathways and that painful nerve injury appeared associated with activation of Piezo1 in PSNs and peripheral glial cells.
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Affiliation(s)
- Seung Min Shin
- Department of Anesthesiology, Medical College of Wisconsin, Milwaukee, WI, USA
| | - Brandon Itson-Zoske
- Department of Anesthesiology, Medical College of Wisconsin, Milwaukee, WI, USA
| | - Fan Fan
- Department of Physiology, Medical College of Georgia, Augusta University, Augusta, GA, USA
| | - Uarda Gani
- Department of Anesthesiology, Medical College of Wisconsin, Milwaukee, WI, USA
| | - Mahmudur Rahman
- Department of Anesthesiology, Medical College of Wisconsin, Milwaukee, WI, USA
| | - Quinn H. Hogan
- Department of Anesthesiology, Medical College of Wisconsin, Milwaukee, WI, USA
| | - Hongwei Yu
- Department of Anesthesiology, Medical College of Wisconsin, Milwaukee, WI, USA
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130
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Wang J, Sun YX, Li J. The role of mechanosensor Piezo1 in bone homeostasis and mechanobiology. Dev Biol 2023; 493:80-88. [PMID: 36368521 DOI: 10.1016/j.ydbio.2022.11.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Revised: 10/15/2022] [Accepted: 11/03/2022] [Indexed: 11/09/2022]
Abstract
Bones and articular cartilage are important load-bearing tissues. The fluid flow inside the bone cells and cell interaction with the extracellular matrix serve as the mechanical cues for bones and joints. Piezo1 is an ion channel found on the cell surface of many cell types, including osteocytes and chondrocytes. It is activated in response to mechanical stimulation, which subsequently mediates a variety of signaling pathways in osteoblasts, osteocytes, and chondrocytes. Piezo1 activation in osteoblastic cells positively regulates osteogenesis, while its activation in joints mediates cartilage degradation. This review focuses on the most recent research on Piezo1 in bone development and regeneration.
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Affiliation(s)
- Jiao Wang
- Department of Anesthesiology, The First Affiliated Hospital of China Medical University, NO.155 Nanjing North Street, Shenyang City, Liaoning Province, 110000, China.
| | - Yong-Xin Sun
- Department of Rehabilitation, The First Affiliated Hospital of China Medical University, NO.155 Nanjing North Street, Shenyang City, Liaoning Province, 110000, China.
| | - Jiliang Li
- Department of Biology, Indiana University Purdue University Indianapolis, 723 West Michigan Street, SL 306, Indianapolis, IN, 46202, USA.
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Membrane curvature governs the distribution of Piezo1 in live cells. Nat Commun 2022; 13:7467. [PMID: 36463216 PMCID: PMC9719557 DOI: 10.1038/s41467-022-35034-6] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Accepted: 11/16/2022] [Indexed: 12/05/2022] Open
Abstract
Piezo1 is a bona fide mechanosensitive ion channel ubiquitously expressed in mammalian cells. The distribution of Piezo1 within a cell is essential for various biological processes including cytokinesis, cell migration, and wound healing. However, the underlying principles that guide the subcellular distribution of Piezo1 remain largely unexplored. Here, we demonstrate that membrane curvature serves as a key regulator of the spatial distribution of Piezo1 in the plasma membrane of living cells. Piezo1 depletes from highly curved membrane protrusions such as filopodia and enriches to nanoscale membrane invaginations. Quantification of the curvature-dependent sorting of Piezo1 directly reveals the in situ nano-geometry of the Piezo1-membrane complex. Piezo1 density on filopodia increases upon activation, independent of calcium, suggesting flattening of the channel upon opening. Consequently, the expression of Piezo1 inhibits filopodia formation, an effect that diminishes with channel activation.
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Caulier A, Jankovsky N, Gautier EF, El Nemer W, Guitton C, Ouled-Haddou H, Guillonneau F, Mayeux P, Salnot V, Bruce J, Picard V, Garçon L. Red blood cell proteomics reveal remnant protein biosynthesis and folding pathways in PIEZO1-related hereditary xerocytosis. Front Physiol 2022; 13:960291. [PMID: 36531183 PMCID: PMC9751340 DOI: 10.3389/fphys.2022.960291] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2022] [Accepted: 10/21/2022] [Indexed: 11/25/2023] Open
Abstract
Hereditary xerocytosis is a dominant red cell membrane disorder characterized by an increased leak of potassium from the inside to outside the red blood cell membrane, associated with loss of water leading to red cell dehydration and chronic hemolysis. 90% of cases are related to heterozygous gain of function mutations in PIEZO1, encoding a mechanotransductor that translates a mechanical stimulus into a biological signaling. Data are still required to understand better PIEZO1-HX pathophysiology. Recent studies identified proteomics as an accurate and high-input tool to study erythroid progenitors and circulating red cell physiology. Here, we isolated red blood cells from 5 controls and 5 HX patients carrying an identified and pathogenic PIEZO1 mutation and performed a comparative deep proteomic analysis. A total of 603 proteins were identified among which 56 were differentially expressed (40 over expressed and 16 under expressed) between controls and HX with a homogenous expression profile within each group. We observed relevant modifications in the protein expression profile related to PIEZO1 mutations, identifying two main "knots". The first contained both proteins of the chaperonin containing TCP1 complex involved in the assembly of unfolded proteins, and proteins involved in translation. The second contained proteins involved in ubiquitination. Deregulation of proteins involved in protein biosynthesis was also observed in in vitro-produced reticulocytes after Yoda1 exposure. Thus, our work identifies significant changes in the protein content of PIEZO1-HX erythrocytes, revealing a "PIEZO1 signature" and identifying potentially targetable pathways in this disease characterized by a heterogeneous clinical expression and contra-indication of splenectomy.
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Affiliation(s)
- Alexis Caulier
- HEMATIM, CURS, Amiens and Laboratoire d’Hématologie, CHU Amiens, UPJV, Amiens, France
| | - Nicolas Jankovsky
- HEMATIM, CURS, Amiens and Laboratoire d’Hématologie, CHU Amiens, UPJV, Amiens, France
| | - Emilie Fleur Gautier
- 3P5 Proteom’IC, Institut Cochin, INSERM, CNRS, Université Paris Cité, Paris, France
- Institut Imagine-INSERM U1163, Necker Hospital, University of Paris, Paris, France
- Laboratoire d’excellence GR-Ex, Paris, France
| | | | - Corinne Guitton
- Laboratoire d’Hématologie et Filière MCGRE, CHU Bicêtre, Le Kremlin-Bicêtre, France
| | - Hakim Ouled-Haddou
- HEMATIM, CURS, Amiens and Laboratoire d’Hématologie, CHU Amiens, UPJV, Amiens, France
| | - François Guillonneau
- 3P5 Proteom’IC, Institut Cochin, INSERM, CNRS, Université Paris Cité, Paris, France
| | - Patrick Mayeux
- 3P5 Proteom’IC, Institut Cochin, INSERM, CNRS, Université Paris Cité, Paris, France
| | - Virginie Salnot
- 3P5 Proteom’IC, Institut Cochin, INSERM, CNRS, Université Paris Cité, Paris, France
| | - Johanna Bruce
- 3P5 Proteom’IC, Institut Cochin, INSERM, CNRS, Université Paris Cité, Paris, France
| | - Véronique Picard
- Laboratoire d’Hématologie et Filière MCGRE, CHU Bicêtre, Le Kremlin-Bicêtre, France
- Laboratoire d’Hématologie, Faculté de Pharmacie, Université Paris Saclay, Amiens, France
| | - Loïc Garçon
- HEMATIM, CURS, Amiens and Laboratoire d’Hématologie, CHU Amiens, UPJV, Amiens, France
- INSERM U1134, INTS, Paris, France
- Laboratoire d’Hématologie et Filière MCGRE, CHU Bicêtre, Le Kremlin-Bicêtre, France
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133
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Liu Z, Tang Y, He L, Geng B, Lu F, He J, Yi Q, Liu X, Zhang K, Wang L, Xia Y, Jiang J. Piezo1-mediated fluid shear stress promotes OPG and inhibits RANKL via NOTCH3 in MLO-Y4 osteocytes. Channels (Austin) 2022; 16:127-136. [PMID: 35754337 DOI: 10.1080/19336950.2022.2085379] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
Abstract
Piezo1, a mechanosensitive ion channel, participates in a variety of biological processes in maintaining bone homeostasis. As the most abundant cells in bones of the mammals, osteocytes play an essential role in bone formation, remodeling, and bone mass maintenance. Here, by exposing MLO-Y4 osteocytes to the fluid shear stress (FSS) microenvironment, we explored the effect of Piezo1-mediated FSS on the expression of the molecules critical to the process of bone formation and resorption, Receptor Activator of Nuclear Factor-Kappa-B Ligand (RANKL) and Osteoprotegerin (OPG). It was found that 9 dyne/cm2 loading for 30 minutes showed an upregulation trend on Piezo1 when MLO-Y4 osteocytes were exposed to an FSS microenvironment. FSS promotes the expression of OPG and inhibits the expression of RANKL. The blocker of Piezo1, GsMTx4, downregulates the effect of FSS on the expression of these two molecules. In addition, NOTCH3 was involved in this process. Thus, the results demonstrated that Piezo1-mediated FSS promotes the expression of OPG and inhibits the expression of RANKL via NOTCH3 in MLO-Y4 osteocytes.
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Affiliation(s)
- Zhongcheng Liu
- Department of Orthopaedics, Gansu Key Laboratory of Orthopaedics, Lanzhou University Second Hospital, Lanzhou, Gansu, China
| | - Yuchen Tang
- Department of Orthopaedics, Gansu Key Laboratory of Orthopaedics, Lanzhou University Second Hospital, Lanzhou, Gansu, China
| | - Liangzhi He
- Department of Orthopaedics, Gansu Key Laboratory of Orthopaedics, Lanzhou University Second Hospital, Lanzhou, Gansu, China
| | - Bin Geng
- Department of Orthopaedics, Gansu Key Laboratory of Orthopaedics, Lanzhou University Second Hospital, Lanzhou, Gansu, China
| | - Fan Lu
- Department of Orthopaedics, Gansu Key Laboratory of Orthopaedics, Lanzhou University Second Hospital, Lanzhou, Gansu, China
| | - Jinwen He
- Department of Orthopaedics, Gansu Key Laboratory of Orthopaedics, Lanzhou University Second Hospital, Lanzhou, Gansu, China
| | - Qiong Yi
- Department of Orthopaedics, Gansu Key Laboratory of Orthopaedics, Lanzhou University Second Hospital, Lanzhou, Gansu, China
| | - Xuening Liu
- Department of Orthopaedics, Gansu Key Laboratory of Orthopaedics, Lanzhou University Second Hospital, Lanzhou, Gansu, China
| | - Kun Zhang
- Department of Orthopaedics, Gansu Key Laboratory of Orthopaedics, Lanzhou University Second Hospital, Lanzhou, Gansu, China
| | - Lifu Wang
- Department of Orthopaedics, Gansu Key Laboratory of Orthopaedics, Lanzhou University Second Hospital, Lanzhou, Gansu, China
| | - Yayi Xia
- Department of Orthopaedics, Gansu Key Laboratory of Orthopaedics, Lanzhou University Second Hospital, Lanzhou, Gansu, China
| | - Jin Jiang
- Department of Orthopaedics, Gansu Key Laboratory of Orthopaedics, Lanzhou University Second Hospital, Lanzhou, Gansu, China
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Zeng Y, Riquelme MA, Hua R, Zhang J, Acosta FM, Gu S, Jiang JX. Mechanosensitive piezo1 calcium channel activates connexin 43 hemichannels through PI3K signaling pathway in bone. Cell Biosci 2022; 12:191. [PMID: 36457052 PMCID: PMC9716748 DOI: 10.1186/s13578-022-00929-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Accepted: 11/11/2022] [Indexed: 12/05/2022] Open
Abstract
BACKGROUND Mechanical loading promotes bone formation and osteocytes are a major mechanosensory cell in the bone. Both Piezo1 channels and connexin 43 hemichannels (Cx43 HCs) in osteocytes are important players in mechanotransduction and anabolic function by mechanical loading. However, the mechanism underlying mechanotransduction involving Piezo1 channels and Cx43 HCs in osteocytes and bone remains unknown. RESULTS We showed that, like mechanical loading, Piezo1 specific agonist Yoda1 was able to increase intracellular Ca2+ signaling and activate Cx43 HCs, while Yoda1 antagonist Dooku1 inhibited Ca2+ and Cx43 HC activation induced by both mechanical loading and Yoda1. Moreover, the intracellular Ca2+ signal activated by Yoda1 was reduced by the inhibition of Cx43 HCs and pannexin1 (Panx1) channels, as well as ATP-P2X receptor signaling. Piezo1 and Cx43 HCs were co-localized on the osteocyte cell surface, and Yoda1-activated PI3K-Akt signaling regulated the opening of Cx43 HCs. Furthermore, Cx43 HCs opening by mechanical loading on tibias was ablated by inhibition of Piezo1 activation in vivo. CONCLUSION We demonstrated that upon mechanical stress, increased intracellular Ca2+ activated by Piezo1 regulates the opening of HCs through PI3K-Akt and opened Cx43 HCs, along with Panx1 channels, and ATP-P2X signaling sustain the intracellular Ca2+ signal, leading to bone anabolic function.
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Affiliation(s)
- Yan Zeng
- grid.267309.90000 0001 0629 5880Department of Biochemistry and Structural Biology, University of Texas Health Science Center, San Antonio, TX USA ,grid.452708.c0000 0004 1803 0208The Second Xiangya Hospital, Central South University, Changsha, Hunan China
| | - Manuel A. Riquelme
- grid.267309.90000 0001 0629 5880Department of Biochemistry and Structural Biology, University of Texas Health Science Center, San Antonio, TX USA
| | - Rui Hua
- grid.267309.90000 0001 0629 5880Department of Biochemistry and Structural Biology, University of Texas Health Science Center, San Antonio, TX USA
| | - Jingruo Zhang
- grid.267309.90000 0001 0629 5880Department of Biochemistry and Structural Biology, University of Texas Health Science Center, San Antonio, TX USA
| | - Francisca M. Acosta
- grid.267309.90000 0001 0629 5880Department of Biochemistry and Structural Biology, University of Texas Health Science Center, San Antonio, TX USA
| | - Sumin Gu
- grid.267309.90000 0001 0629 5880Department of Biochemistry and Structural Biology, University of Texas Health Science Center, San Antonio, TX USA
| | - Jean X. Jiang
- grid.267309.90000 0001 0629 5880Department of Biochemistry and Structural Biology, University of Texas Health Science Center, San Antonio, TX USA
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135
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Li S, Song B, Jiang N, Pan C, Ren X, Dai Q, Chu Q. The past and future of Piezo: A scientometric review. Medicine (Baltimore) 2022; 101:e31210. [PMID: 36316933 PMCID: PMC9622716 DOI: 10.1097/md.0000000000031210] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
Abstract
BACKGROUND As we all know, this Nobel Prize is awarded to uncover the mechanism of "a glass of cold milk providing instant relief when eating a spicy hot pot"; the key factor, Piezo, has therefore become a clinical research hotspot. Most importantly, the factor of Piezo has been increasingly considered when analyzing the majority of common clinical diseases. The Piezo has entered a new stage and has made a series of progress. This study mainly outlines the knowledge map and detects the potential research hotspots by using bibliometric analysis. METHODS The core collection database of WoS was used to retrieve the bibliographic records related to Piezos from January 1, 2010 to October 8, 2021. CiteSpace was utilized to generate and analyze visual representations of the complex data input. RESULTS Overall, the number of Piezos publications has shown a significant upward trend since 2010. There were 902 research publications referenced a total of 19,095 times. The United States and China are the two nations with the highest number of published articles in this discipline. The institutions with the most publications are Scripps Research Institute and the University at Buffalo (SUNY-Buffalo). The primary topics of investigation are "endothelial cell" "xerocytosis" "current" "calcium", "mutation" "activated ion channel" "Ca2+ influx" "protein" "smooth muscle" and "nociception". Ardem Patapoutian and Frederick Sachs are the two most prolific authors of scholarly articles. The gene expression is the current focus of research in this topic. CONCLUSIONS Piezo is rapidly developing. This knowledge will be utilized extensively in the process of developing treatments for many diseases. Current research focuses mostly on gene expression.
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Affiliation(s)
- Shuai Li
- Anhui University of Chinese Medicine, Anhui, China
| | - Banglong Song
- First Clinical Medical College of Lanzhou University, Lanzhou, China
| | - Nan Jiang
- Anhui University of Chinese Medicine, Anhui, China
| | - Ciming Pan
- Yunnan University of Chinese Medicine, Yunnan, China
| | - Xue Ren
- Hei Longjiang University of Chinese Medicine, Hei Longjiang, China
| | - Qianqian Dai
- Anhui University of Chinese Medicine, Anhui, China
| | - Quangen Chu
- Anhui University of Chinese Medicine, Anhui, China
- * Correspondence: Quangen Chu, Anhui University of Chinese Medicine, Anhui 230038, China (e-mail: )
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136
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Li QY, Duan YW, Zhou YH, Chen SX, Li YY, Zang Y. NLRP3-Mediated Piezo1 Upregulation in ACC Inhibitory Parvalbumin-Expressing Interneurons Is Involved in Pain Processing after Peripheral Nerve Injury. Int J Mol Sci 2022; 23:13035. [PMID: 36361825 PMCID: PMC9655876 DOI: 10.3390/ijms232113035] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Revised: 10/19/2022] [Accepted: 10/24/2022] [Indexed: 10/29/2023] Open
Abstract
The anterior cingulate cortex (ACC) is particularly critical for pain information processing. Peripheral nerve injury triggers neuronal hyper-excitability in the ACC and mediates descending facilitation to the spinal dorsal horn. The mechanically gated ion channel Piezo1 is involved in the transmission of pain information in the peripheral nervous system. However, the pain-processing role of Piezo1 in the brain is unknown. In this work, we found that spared (sciatic) nerve injury (SNI) increased Piezo1 protein levels in inhibitory parvalbumin (PV)-expressing interneurons (PV-INs) but not in glutaminergic CaMKⅡ+ neurons, in the bilateral ACC. A reduction in the number of PV-INs but not in the number of CaMKⅡ+ neurons and a significant reduction in inhibitory synaptic terminals was observed in the SNI chronic pain model. Further, observation of morphological changes in the microglia in the ACC showed their activated amoeba-like transformation, with a reduction in process length and an increase in cell body area. Combined with the encapsulation of Piezo1-positive neurons by Iba1+ microglia, the loss of PV-INs after SNI might result from phagocytosis by the microglia. In cellular experiments, administration of recombinant rat TNF-α (rrTNF) to the BV2 cell culture or ACC neuron primary culture elevated the protein levels of Piezo1 and NOD-like receptor (NLR) family pyrin domain containing 3 (NLRP3). The administration of the NLRP3 inhibitor MCC950 in these cells blocked the rrTNF-induced expression of caspase-1 and interleukin-1β (key downstream factors of the activated NLRP3 inflammasome) in vitro and reversed the SNI-induced Piezo1 overexpression in the ACC and alleviated SNI-induced allodynia in vivo. These results suggest that NLRP3 may be the key factor in causing Piezo1 upregulation in SNI, promoting an imbalance between ACC excitation and inhibition by inducing the microglial phagocytosis of PV-INs and, thereby, facilitating spinal pain transmission.
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Affiliation(s)
- Qiao-Yun Li
- Pain Research Center and Department of Physiology, Zhongshan Medical School of Sun Yat-sen University, 74 Zhongshan Road. 2, Guangzhou 510080, China
| | - Yi-Wen Duan
- Pain Research Center and Department of Physiology, Zhongshan Medical School of Sun Yat-sen University, 74 Zhongshan Road. 2, Guangzhou 510080, China
| | - Yao-Hui Zhou
- Pain Research Center and Department of Physiology, Zhongshan Medical School of Sun Yat-sen University, 74 Zhongshan Road. 2, Guangzhou 510080, China
| | - Shao-Xia Chen
- Department of Anesthesiology, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, 651 Dongfeng Road East, Guangzhou 510060, China
| | - Yong-Yong Li
- Pain Research Center and Department of Physiology, Zhongshan Medical School of Sun Yat-sen University, 74 Zhongshan Road. 2, Guangzhou 510080, China
| | - Ying Zang
- Pain Research Center and Department of Physiology, Zhongshan Medical School of Sun Yat-sen University, 74 Zhongshan Road. 2, Guangzhou 510080, China
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Lin Y, Ren J, McGrath C. Mechanosensitive Piezo1 and Piezo2 ion channels in craniofacial development and dentistry: Recent advances and prospects. Front Physiol 2022; 13:1039714. [PMID: 36338498 PMCID: PMC9633653 DOI: 10.3389/fphys.2022.1039714] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2022] [Accepted: 10/10/2022] [Indexed: 12/04/2022] Open
Abstract
Mechanical forces play important roles in many biological processes and there is increasing interest and understanding of these roles. Mechanotransduction is the process by which mechanical stimuli are converted to biochemical signals through specific mechanisms, and this results in the activation of downstream signaling pathways with specific effects on cell behaviors. This review systematically summarizes the current understanding of the mechanosensitive Piezo1 and Piezo2 ion channels in craniofacial bone, tooth, and periodontal tissue, presenting the latest relevant evidence with implications for potential treatments and managements of dental and orofacial diseases and deformities. The mechanosensitive ion channels Piezo1 and Piezo2 are widely expressed in various cells and tissues and have essential functions in mechanosensation and mechanotransduction. These channels play an active role in many physiological and pathological processes, such as growth and development, mechano-stimulated bone homeostasis and the mediation of inflammatory responses. Emerging evidence indicates the expression of Piezo1 and Piezo2 in bone, dental tissues and dental tissue-derived stem cells and suggests that they function in dental sensation transduction, dentin mineralization and periodontal bone remodeling and modulate orthodontic tooth movement.
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138
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Krivoshein G, Bakreen A, van den Maagdenberg AMJM, Malm T, Giniatullin R, Jolkkonen J. Activation of Meningeal Afferents Relevant to Trigeminal Headache Pain after Photothrombotic Stroke Lesion: A Pilot Study in Mice. Int J Mol Sci 2022; 23:ijms232012590. [PMID: 36293444 PMCID: PMC9604291 DOI: 10.3390/ijms232012590] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Revised: 10/07/2022] [Accepted: 10/13/2022] [Indexed: 11/25/2022] Open
Abstract
Stroke can be followed by immediate severe headaches. As headaches are initiated by the activation of trigeminal meningeal afferents, we assessed changes in the activity of meningeal afferents in mice subjected to cortical photothrombosis. Cortical photothrombosis induced ipsilateral lesions of variable sizes that were associated with contralateral sensorimotor impairment. Nociceptive firing of mechanosensitive Piezo1 channels, activated by the agonist Yoda1, was increased in meningeal afferents in the ischemic hemispheres. These meningeal afferents also had a higher maximal spike frequency at baseline and during activation of the mechanosensitive Piezo1 channel by Yoda1. Moreover, in these meningeal afferents, nociceptive firing was active during the entire induction of transient receptor potential vanilloid 1 (TRPV1) channels by capsaicin. No such activation was observed on the contralateral hemi-skulls of the same group of mice or in control mice. Our data suggest the involvement of mechanosensitive Piezo1 channels capable of maintaining high-frequency spiking activity and of nociceptive TRPV1 channels in trigeminal headache pain responses after experimental ischemic stroke in mice.
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Affiliation(s)
- Georgii Krivoshein
- A.I. Virtanen Institute for Molecular Sciences, University of Eastern Finland, 70211 Kuopio, Finland
- Department of Human Genetics, Leiden University Medical Center, 2300 RC Leiden, The Netherlands
| | - Abdulhameed Bakreen
- A.I. Virtanen Institute for Molecular Sciences, University of Eastern Finland, 70211 Kuopio, Finland
| | - Arn M. J. M. van den Maagdenberg
- Department of Human Genetics, Leiden University Medical Center, 2300 RC Leiden, The Netherlands
- Department of Neurology, Leiden University Medical Center, 2300 RC Leiden, The Netherlands
| | - Tarja Malm
- A.I. Virtanen Institute for Molecular Sciences, University of Eastern Finland, 70211 Kuopio, Finland
| | - Rashid Giniatullin
- A.I. Virtanen Institute for Molecular Sciences, University of Eastern Finland, 70211 Kuopio, Finland
| | - Jukka Jolkkonen
- A.I. Virtanen Institute for Molecular Sciences, University of Eastern Finland, 70211 Kuopio, Finland
- Correspondence:
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Mechanosensitive Ion Channel PIEZO1 Signaling in the Hall-Marks of Cancer: Structure and Functions. Cancers (Basel) 2022; 14:cancers14194955. [PMID: 36230880 PMCID: PMC9563973 DOI: 10.3390/cancers14194955] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2022] [Revised: 09/29/2022] [Accepted: 10/03/2022] [Indexed: 12/04/2022] Open
Abstract
Simple Summary Tumor cells obtain various unique characteristics, which known as hallmarks of cancers, including sustained proliferative signaling, apoptosis resistance, and metastasis. These characteristics are crucial for tumor cells survival and for supporting their rapid growth. Studies have revealed that tumorigenesis is also accompanied by alteration in mechanical properties. Tumor cells could sense various mechanical forces, such as compressive force, shear stress, and portal vein pressure, which in turn could affect tumor progression. Piezo1 is a mechanically sensitive ion channel protein that can be activated mechanically, and is closely related to various diseases. Recent studies showed that Piezo1 is overexpressed in numerous tumors and is associated with poor prognosis. Furthermore, previous studies revealed that Piezo1 mediates these cancer hallmarks, and thus links up mechanical forces with tumor progression. Therefore, the discovery of Piezo1 provides a new insight for elucidating the mechanism of tumor progression under a mechanical microenvironment. Abstract Tumor cells alter their characteristics and behaviors during tumorigenesis. These characteristics, known as hallmarks of cancer, are crucial for supporting their rapid growth, need for energy, and adaptation to tumor microenvironment. Tumorigenesis is also accompanied by alteration in mechanical properties. Cells in tumor tissue sense mechanical signals from the tumor microenvironment, which consequently drive the acquisition of hallmarks of cancer, including sustained proliferative signaling, evading growth suppressors, apoptosis resistance, sustained angiogenesis, metastasis, and immune evasion. Piezo-type mechanosensitive ion channel component 1 (Piezo1) is a mechanically sensitive ion channel protein that can be activated mechanically and is closely related to various diseases. Recent studies showed that Piezo1 mediates tumor development through multiple mechanisms, and its overexpression is associated with poor prognosis. Therefore, the discovery of Piezo1, which links-up physical factors with biological properties, provides a new insight for elucidating the mechanism of tumor progression under a mechanical microenvironment, and suggests its potential application as a tumor marker and therapeutic target. In this review, we summarize current knowledge regarding the role of Piezo1 in regulating cancer hallmarks and the underlying molecular mechanisms. Furthermore, we discuss the potential of Piezo1 as an antitumor therapeutic target and the limitations that need to be overcome.
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140
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Li X, Kordsmeier J, Nookaew I, Kim HN, Xiong J. Piezo1 stimulates mitochondrial function via cAMP signaling. FASEB J 2022; 36:e22519. [PMID: 36052712 PMCID: PMC10167693 DOI: 10.1096/fj.202200300r] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2022] [Revised: 07/21/2022] [Accepted: 08/15/2022] [Indexed: 11/11/2022]
Abstract
Mechanical signals stimulate mitochondrial function but the molecular mechanisms are not clear. Here, we show that the mechanically sensitive ion channel Piezo1 plays a critical role in mitochondrial adaptation to mechanical stimulation. The activation of Piezo1 induced mitochondrial calcium uptake and oxidative phosphorylation (OXPHOS). In contrast, loss of Piezo1 reduced the mitochondrial oxygen consumption rate (OCR) and adenosine triphosphate (ATP) production in calvarial cells and these changes were associated with increased expression of the phosphodiesterases Pde4a and lower cyclic AMP (cAMP) levels. In addition, Piezo1 increased cAMP production and the activation of a cAMP-responsive transcriptional reporter. Consistent with this, cAMP was sufficient to increase mitochondrial OCR and the inhibition of phosphodiesterases augmented the increase in OCR induced by Piezo1. Moreover, the inhibition of cAMP production or activity of protein kinase A, a kinase activated by cAMP, prevented the increase in OCR induced by Piezo1. These results demonstrate that cAMP signaling contributes to the increase in mitochondrial OXPHOS induced by activation of Piezo1.
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Affiliation(s)
- Xuehua Li
- Department of Orthopaedic Surgery, University of Arkansas for Medical Sciences, Little Rock, AR, USA
- Center for Musculoskeletal Disease Research, University of Arkansas for Medical Sciences, Little Rock, AR, USA
| | - Jacob Kordsmeier
- Department of Orthopaedic Surgery, University of Arkansas for Medical Sciences, Little Rock, AR, USA
- Center for Musculoskeletal Disease Research, University of Arkansas for Medical Sciences, Little Rock, AR, USA
| | - Intawat Nookaew
- Center for Musculoskeletal Disease Research, University of Arkansas for Medical Sciences, Little Rock, AR, USA
- Department of Biomedical Informatics, University of Arkansas for Medical Sciences, Little Rock, AR, USA
| | - Ha-Neui Kim
- Center for Musculoskeletal Disease Research, University of Arkansas for Medical Sciences, Little Rock, AR, USA
- Department of Internal Medicine, Division of Endocrinology and Metabolism, University of Arkansas for Medical Sciences, Little Rock, AR, USA
| | - Jinhu Xiong
- Department of Orthopaedic Surgery, University of Arkansas for Medical Sciences, Little Rock, AR, USA
- Center for Musculoskeletal Disease Research, University of Arkansas for Medical Sciences, Little Rock, AR, USA
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141
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A preliminary study on the role of Piezo1 channels in myokine release from cultured mouse myotubes. Biochem Biophys Res Commun 2022; 623:148-153. [DOI: 10.1016/j.bbrc.2022.07.059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Accepted: 07/14/2022] [Indexed: 11/20/2022]
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142
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Xu H, He Y, Hong T, Bi C, Li J, Xia M. Piezo1 in vascular remodeling of atherosclerosis and pulmonary arterial hypertension: A potential therapeutic target. Front Cardiovasc Med 2022; 9:1021540. [PMID: 36247424 PMCID: PMC9557227 DOI: 10.3389/fcvm.2022.1021540] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Accepted: 09/12/2022] [Indexed: 11/13/2022] Open
Abstract
Vascular remodeling (VR) is a structural and functional change of blood vessels to adapt to the changes of internal and external environment. It is one of the common pathological features of many vascular proliferative diseases. The process of VR is mainly manifested in the changes of vascular wall structure and function, including intimal hyperplasia, thickening or thinning of media, fibrosis of adventitia, etc. These changes are also the pathological basis of aging and various cardiovascular diseases. Mechanical force is the basis of cardiovascular biomechanics, and the newly discovered mechanical sensitive ion channel Piezo1 is widely distributed in the whole cardiovascular system. Studies have confirmed that Piezo1, a mechanically sensitive ion channel, plays an important role in cardiovascular remodeling diseases. This article reviews the molecular mechanism of Piezo1 in atherosclerosis, hypertension and pulmonary hypertension, in order to provide a theoretical basis for the further study of vascular remodeling.
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Affiliation(s)
- Han Xu
- Innovation Research Institute of Traditional Chinese Medicine, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Yu He
- Cardiovascular Surgery Department, The First Affiliated Hospital of Xi'an Jiaotong University, Xian, China
| | - Tianying Hong
- Innovation Research Institute of Traditional Chinese Medicine, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Cong Bi
- Department of Vascular Surgery, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Jing Li
- Innovation Research Institute of Traditional Chinese Medicine, Shandong University of Traditional Chinese Medicine, Jinan, China
- Jing Li
| | - Mingfeng Xia
- Innovation Research Institute of Traditional Chinese Medicine, Shandong University of Traditional Chinese Medicine, Jinan, China
- *Correspondence: Mingfeng Xia
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143
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Leng S, Zhang X, Wang S, Qin J, Liu Q, Liu A, Sheng Z, Feng Q, Hu X, Peng J. Ion channel Piezo1 activation promotes aerobic glycolysis in macrophages. Front Immunol 2022; 13:976482. [PMID: 36119083 PMCID: PMC9479104 DOI: 10.3389/fimmu.2022.976482] [Citation(s) in RCA: 27] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Accepted: 08/18/2022] [Indexed: 11/13/2022] Open
Abstract
Altered microenvironmental stiffness is a hallmark of inflammation. It is sensed by the mechanically activated cation channel Piezo1 in macrophages to induce subsequent immune responses. However, the mechanism by which the mechanosensitive signals shape the metabolic status of macrophages and tune immune responses remains unclear. We revealed that Piezo1-deficient macrophages exhibit reduced aerobic glycolysis in resting or liposaccharide (LPS)-stimulated macrophages with impaired LPS-induced secretion of inflammatory cytokines in vitro. Additionally, pretreatment with the Piezo1 agonist, Yoda1, or cyclical hydrostatic pressure (CHP) upregulated glycolytic activity and enhanced LPS-induced secretion of inflammatory cytokines. Piezo1-deficient mice were less susceptible to dextran sulfate sodium (DSS)-induced colitis, whereas Yoda1 treatment aggravated colitis. Mechanistically, we found that Piezo1 activation promotes aerobic glycolysis through the Ca2+-induced CaMKII-HIF1α axis. Therefore, our study revealed that Piezo1-mediated mechanosensitive signals Piezo1 can enhance aerobic glycolysis and promote the LPS-induced immune response in macrophages.
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Affiliation(s)
- Shaoqiu Leng
- Department of Hematology, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Xiaoyu Zhang
- Department of Hematology, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Shuwen Wang
- Department of Hematology, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Jing Qin
- Department of Hematology, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Qiang Liu
- Department of Hematology, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Anli Liu
- Department of Hematology, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Zi Sheng
- Department of Hematology, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Qi Feng
- Department of Hematology, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Xiang Hu
- Shandong Provincial Key Laboratory of Immunohematology, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China
- *Correspondence: Jun Peng, ; Xiang Hu,
| | - Jun Peng
- Department of Hematology, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China
- Advanced Medical Research Institute, Shandong University, Jinan, China
- *Correspondence: Jun Peng, ; Xiang Hu,
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144
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Mikesell AR, Isaeva O, Moehring F, Sadler KE, Menzel AD, Stucky CL. Keratinocyte PIEZO1 modulates cutaneous mechanosensation. eLife 2022; 11:65987. [PMID: 36053009 PMCID: PMC9512397 DOI: 10.7554/elife.65987] [Citation(s) in RCA: 30] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Accepted: 09/01/2022] [Indexed: 11/13/2022] Open
Abstract
Epidermal keratinocytes mediate touch sensation by detecting and encoding tactile information to sensory neurons. However, the specific mechanotransducers that enable keratinocytes to respond to mechanical stimulation are unknown. Here, we found that the mechanically-gated ion channel PIEZO1 is a key keratinocyte mechanotransducer. Keratinocyte expression of PIEZO1 is critical for normal sensory afferent firing and behavioral responses to mechanical stimuli in mice.
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Affiliation(s)
- Alexander R Mikesell
- Department of Cell Biology, Neurobiology and Anatomy, Medical College of Wisconsin, Wauwatosa, United States
| | - Olena Isaeva
- Department of Cell Biology, Neurobiology and Anatomy, Medical College of Wisconsin, Milwaukee, United States
| | - Francie Moehring
- Department of Cell Biology, Neurobiology and Anatomy, Medical College of Wisconsin, Milwaukee, United States
| | - Katelyn E Sadler
- Department of Cell Biology, Neurobiology and Anatomy, Medical College of Wisconsin, Milwaukee, United States
| | - Anthony D Menzel
- Department of Cell Biology, Neurobiology and Anatomy, Medical College of Wisconsin, Milwaukee, United States
| | - Cheryl L Stucky
- Department of Cell Biology, Neurobiology and Anatomy, Medical College of Wisconsin, Milwaukee, United States
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145
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Greenlee JD, Liu K, Lopez-Cavestany M, King MR. Piezo1 Mechano-Activation Is Augmented by Resveratrol and Differs between Colorectal Cancer Cells of Primary and Metastatic Origin. Molecules 2022; 27:5430. [PMID: 36080197 PMCID: PMC9458129 DOI: 10.3390/molecules27175430] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2022] [Revised: 08/09/2022] [Accepted: 08/20/2022] [Indexed: 11/24/2022] Open
Abstract
Cancer cells must survive aberrant fluid shear stress (FSS) in the circulation to metastasize. Herein, we investigate the role that FSS has on colorectal cancer cell apoptosis, proliferation, membrane damage, calcium influx, and therapeutic sensitization. We tested this using SW480 (primary tumor) and SW620 cells (lymph node metastasis) derived from the same patient. The cells were exposed to either shear pulses, modeling millisecond intervals of high FSS seen in regions of turbulent flow, or sustained shear to model average magnitudes experienced by circulating tumor cells. SW480 cells were significantly more sensitive to FSS-induced death than their metastatic counterparts. Shear pulses caused significant cell membrane damage, while constant shear decreased cell proliferation and increased the expression of CD133. To investigate the role of mechanosensitive ion channels, we treated cells with the Piezo1 agonist Yoda1, which increased intracellular calcium. Pretreatment with resveratrol further increased the calcium influx via the lipid-raft colocalization of Piezo1. However, minimal changes in apoptosis were observed due to calcium saturation, as predicted via a computational model of apoptosis. Furthermore, SW480 cells had increased levels of Piezo1, calcium influx, and TRAIL-mediated apoptosis compared to SW620 cells, highlighting differences in the mechano-activation of metastatic cells, which may be a necessary element for successful dissemination in vivo.
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Affiliation(s)
| | | | | | - Michael R. King
- Department of Biomedical Engineering, Vanderbilt University, PMB 351631, 2301 Vanderbilt Place, Nashville, TN 37235-1631, USA
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146
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Tadala L, Langenbach D, Dannborg M, Cervantes-Rivera R, Sharma A, Vieth K, Rieckmann LM, Wanders A, Cisneros DA, Puhar A. Infection-induced membrane ruffling initiates danger and immune signaling via the mechanosensor PIEZO1. Cell Rep 2022; 40:111173. [PMID: 35947957 DOI: 10.1016/j.celrep.2022.111173] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Revised: 05/12/2022] [Accepted: 07/16/2022] [Indexed: 11/30/2022] Open
Abstract
Microorganisms are generally sensed by receptors recognizing microbial molecules, which evoke changes in cellular activities and gene expression. Bacterial pathogens induce secretion of the danger signal ATP as an early alert response of intestinal epithelial cells, initiating overt inflammation. However, what triggers ATP secretion during infection is unclear. Here we show that the inherently mechanosensitive plasma membrane channel PIEZO1 acts as a sensor for bacterial entry. PIEZO1 is mechanically activated by invasion-induced membrane ruffles upstream of Ca2+ influx and ATP secretion. Mimicking mechanical stimuli of pathogen uptake with sterile beads equally elicits ATP secretion. Chemical or genetic PIEZO1 inactivation inhibits mechanically induced ATP secretion. Moreover, chemical or mechanical PIEZO1 activation evokes gene expression in immune and barrier pathways. Thus, mechanosensation of invasion-induced plasma membrane distortion initiates immune signaling upon infection, independently of detection of microbial molecules. Hence, PIEZO1-dependent detection of infection is driven by physical signals instead of chemical ligands.
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Affiliation(s)
- Lalitha Tadala
- The Laboratory for Molecular Infection Medicine Sweden (MIMS), 901 87, Umeå, Sweden; Umeå Centre for Microbial Research (UCMR), 901 87 Umeå, Sweden; Department of Molecular Biology, Umeå University, 901 87 Umeå, Sweden
| | - Dorothee Langenbach
- The Laboratory for Molecular Infection Medicine Sweden (MIMS), 901 87, Umeå, Sweden; Umeå Centre for Microbial Research (UCMR), 901 87 Umeå, Sweden; Department of Molecular Biology, Umeå University, 901 87 Umeå, Sweden
| | - Mirjam Dannborg
- The Laboratory for Molecular Infection Medicine Sweden (MIMS), 901 87, Umeå, Sweden; Umeå Centre for Microbial Research (UCMR), 901 87 Umeå, Sweden; Department of Molecular Biology, Umeå University, 901 87 Umeå, Sweden
| | - Ramón Cervantes-Rivera
- The Laboratory for Molecular Infection Medicine Sweden (MIMS), 901 87, Umeå, Sweden; Umeå Centre for Microbial Research (UCMR), 901 87 Umeå, Sweden; Department of Molecular Biology, Umeå University, 901 87 Umeå, Sweden
| | - Atin Sharma
- The Laboratory for Molecular Infection Medicine Sweden (MIMS), 901 87, Umeå, Sweden; Umeå Centre for Microbial Research (UCMR), 901 87 Umeå, Sweden; Department of Molecular Biology, Umeå University, 901 87 Umeå, Sweden
| | - Kevin Vieth
- The Laboratory for Molecular Infection Medicine Sweden (MIMS), 901 87, Umeå, Sweden; Umeå Centre for Microbial Research (UCMR), 901 87 Umeå, Sweden; Department of Molecular Biology, Umeå University, 901 87 Umeå, Sweden
| | - Lisa M Rieckmann
- The Laboratory for Molecular Infection Medicine Sweden (MIMS), 901 87, Umeå, Sweden; Umeå Centre for Microbial Research (UCMR), 901 87 Umeå, Sweden; Department of Molecular Biology, Umeå University, 901 87 Umeå, Sweden
| | - Alkwin Wanders
- Department of Medical Biosciences, Umeå University, 901 87 Umeå, Sweden; Department of Pathology, Aalborg University Hospital, 9100 Aalborg, Denmark; Department of Clinical Medicine, Aalborg University, 9000 Aalborg, Denmark
| | - David A Cisneros
- Umeå Centre for Microbial Research (UCMR), 901 87 Umeå, Sweden; Department of Molecular Biology, Umeå University, 901 87 Umeå, Sweden
| | - Andrea Puhar
- The Laboratory for Molecular Infection Medicine Sweden (MIMS), 901 87, Umeå, Sweden; Umeå Centre for Microbial Research (UCMR), 901 87 Umeå, Sweden; Department of Molecular Biology, Umeå University, 901 87 Umeå, Sweden.
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147
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Allegrini B, Jedele S, David Nguyen L, Mignotet M, Rapetti-Mauss R, Etchebest C, Fenneteau O, Loubat A, Boutet A, Thomas C, Durin J, Petit A, Badens C, Garçon L, Da Costa L, Guizouarn H. New KCNN4 Variants Associated With Anemia: Stomatocytosis Without Erythrocyte Dehydration. Front Physiol 2022; 13:918620. [PMID: 36003639 PMCID: PMC9393219 DOI: 10.3389/fphys.2022.918620] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Accepted: 05/27/2022] [Indexed: 11/13/2022] Open
Abstract
The K+ channel activated by the Ca2+, KCNN4, has been shown to contribute to red blood cell dehydration in the rare hereditary hemolytic anemia, the dehydrated hereditary stomatocytosis. We report two de novo mutations on KCNN4, We reported two de novo mutations on KCNN4, V222L and H340N, characterized at the molecular, cellular and clinical levels. Whereas both mutations were shown to increase the calcium sensitivity of the K+ channel, leading to channel opening for lower calcium concentrations compared to WT KCNN4 channel, there was no obvious red blood cell dehydration in patients carrying one or the other mutation. The clinical phenotype was greatly different between carriers of the mutated gene ranging from severe anemia for one patient to a single episode of anemia for the other patient or no documented sign of anemia for the parents who also carried the mutation. These data compared to already published KCNN4 mutations question the role of KCNN4 gain-of-function mutations in hydration status and viability of red blood cells in bloodstream.
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Affiliation(s)
- B. Allegrini
- Université Côte d’Azur, CNRS, INSERM, iBV, Nice, France
| | - S. Jedele
- Université Paris Cité and Université des Antilles, Inserm, BIGR, Paris, France
| | - L. David Nguyen
- Université Paris Cité, Paris, France
- AP-HP, Service d’Hématologie Biologique, Hôpital R. Debré, Paris, France
| | - M. Mignotet
- Université Côte d’Azur, CNRS, INSERM, iBV, Nice, France
| | | | - C. Etchebest
- Université Paris Cité and Université des Antilles, Inserm, BIGR, Paris, France
| | - O. Fenneteau
- AP-HP, Service d’Hématologie Biologique, Hôpital R. Debré, Paris, France
| | - A. Loubat
- Université Côte d’Azur, CNRS, INSERM, iBV, Nice, France
| | - A. Boutet
- Hôpital Saint Nazaire, Saint-Nazaire, France
| | - C. Thomas
- CHU Nantes, Service Oncologie-hématologie et Immunologie Pédiatrique, Nantes, France
| | - J. Durin
- Sorbonne Université, AP-HP, Hôpital Armand Trousseau, Service d'Hématologie Oncologie Pédiatrique, Paris, France
| | - A. Petit
- Sorbonne Université, AP-HP, Hôpital Armand Trousseau, Service d'Hématologie Oncologie Pédiatrique, Paris, France
| | - C. Badens
- Aix Marseille Univ, INSERM, MMG, Marseille, France
- AP-HM, Department of Genetic, Marseille, France
| | - L. Garçon
- Université Picardie Jules Verne, Unité EA4666 Hematim, Amiens, France
- CHU Amiens, Service d'Hématologie Biologique, Amiens, France
| | - L. Da Costa
- Université Paris Cité, Paris, France
- AP-HP, Service d’Hématologie Biologique, Hôpital R. Debré, Paris, France
- Université Picardie Jules Verne, Unité EA4666 Hematim, Amiens, France
| | - H. Guizouarn
- Université Côte d’Azur, CNRS, INSERM, iBV, Nice, France
- *Correspondence: H. Guizouarn,
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148
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Astrocytic Piezo1-mediated mechanotransduction determines adult neurogenesis and cognitive functions. Neuron 2022; 110:2984-2999.e8. [PMID: 35963237 DOI: 10.1016/j.neuron.2022.07.010] [Citation(s) in RCA: 43] [Impact Index Per Article: 21.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Revised: 05/31/2022] [Accepted: 07/12/2022] [Indexed: 12/12/2022]
Abstract
Adult brain activities are generally believed to be dominated by chemical and electrical transduction mechanisms. However, the importance of mechanotransduction mediated by mechano-gated ion channels in brain functions is less appreciated. Here, we show that the mechano-gated Piezo1 channel is expressed in the exploratory processes of astrocytes and utilizes its mechanosensitivity to mediate mechanically evoked Ca2+ responses and ATP release, establishing Piezo1-mediated mechano-chemo transduction in astrocytes. Piezo1 deletion in astrocytes causes a striking reduction of hippocampal volume and brain weight and severely impaired (but ATP-rescuable) adult neurogenesis in vivo, and it abolishes ATP-dependent potentiation of neural stem cell (NSC) proliferation in vitro. Piezo1-deficient mice show impaired hippocampal long-term potentiation (LTP) and learning and memory behaviors. By contrast, overexpression of Piezo1 in astrocytes sufficiently enhances mechanotransduction, LTP, and learning and memory performance. Thus, astrocytes utilize Piezo1-mediated mechanotransduction mechanisms to robustly regulate adult neurogenesis and cognitive functions, conceptually highlighting the importance of mechanotransduction in brain structure and function.
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149
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Piezo1 Channel Activation Reverses Pulmonary Artery Vasoconstriction in an Early Rat Model of Pulmonary Hypertension: The Role of Ca2+ Influx and Akt-eNOS Pathway. Cells 2022; 11:cells11152349. [PMID: 35954193 PMCID: PMC9367624 DOI: 10.3390/cells11152349] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Revised: 07/18/2022] [Accepted: 07/26/2022] [Indexed: 02/05/2023] Open
Abstract
In intrapulmonary arteries (IPAs), mechanical forces due to blood flow control vessel tone, and these forces change during pulmonary hypertension (PH). Piezo1, a stretch-activated calcium channel, is a sensor of mechanical stress present in both endothelial cells (ECs) and smooth muscle cells (SMCs). The present study investigated the role of Piezo1 on IPA in the chronic hypoxia model of PH. Rats were raised in chronically hypoxic conditions for 1 (1W-CH, early stage) or 3 weeks (3W-CH, late-stage) of PH or in normoxic conditions (Nx). Immunofluorescence labeling and patch-clamping revealed the presence of Piezo1 in both ECs and SMCs. The Piezo1 agonist, Yoda1, induced an IPA contraction in Nx and 3W-CH. Conversely, Yoda1 induced an endothelial nitric oxide (eNOS) dependent relaxation in 1W-CH. In ECs, the Yoda1-mediated intracellular calcium concentration ([Ca2+]i) increase was greater in 1W-CH as compared to Nx. Yoda1 induced an EC hyperpolarization in 1W-CH. The eNOS levels were increased in 1W-CH IPA compared to Nx or 3W-CH PH and Yoda1 activated phosphorylation of Akt (Ser473) and eNOS (Ser1177). Thus, we demonstrated that endothelial Piezo1 contributes to intrapulmonary vascular relaxation by controlling endothelial [Ca2+]i, endothelial-dependent hyperpolarization, and Akt-eNOS pathway activation in the early stage of PH.
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150
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Piezo1 Channel as a Potential Target for Hindering Cardiac Fibrotic Remodeling. Int J Mol Sci 2022; 23:ijms23158065. [PMID: 35897650 PMCID: PMC9330509 DOI: 10.3390/ijms23158065] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Revised: 07/19/2022] [Accepted: 07/20/2022] [Indexed: 02/01/2023] Open
Abstract
Fibrotic tissues share many common features with neoplasms where there is an increased stiffness of the extracellular matrix (ECM). In this review, we present recent discoveries related to the role of the mechanosensitive ion channel Piezo1 in several diseases, especially in regulating tumor progression, and how this can be compared with cardiac mechanobiology. Based on recent findings, Piezo1 could be upregulated in cardiac fibroblasts as a consequence of the mechanical stress and pro-inflammatory stimuli that occurs after myocardial injury, and its increased activity could be responsible for a positive feedback loop that leads to fibrosis progression. The increased Piezo1-mediated calcium flow may play an important role in cytoskeleton reorganization since it induces actin stress fibers formation, a well-known characteristic of fibroblast transdifferentiation into the activated myofibroblast. Moreover, Piezo1 activity stimulates ECM and cytokines production, which in turn promotes the phenoconversion of adjacent fibroblasts into new myofibroblasts, enhancing the invasive character. Thus, by assuming the Piezo1 involvement in the activation of intrinsic fibroblasts, recruitment of new myofibroblasts, and uncontrolled excessive ECM production, a new approach to blocking the fibrotic progression can be predicted. Therefore, targeted therapies against Piezo1 could also be beneficial for cardiac fibrosis.
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