1
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Zhu J, Wu Y, Zhang L, Bai B, Han W, Wang H, Mei Q. Epithelial Piezo1 deletion ameliorates intestinal barrier damage by regulating ferroptosis in ulcerative colitis. Free Radic Biol Med 2024; 224:S0891-5849(24)00633-6. [PMID: 39216559 DOI: 10.1016/j.freeradbiomed.2024.08.039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/28/2024] [Revised: 08/16/2024] [Accepted: 08/28/2024] [Indexed: 09/04/2024]
Abstract
Ferroptosis, a recently discovered form of regulated cell death, has been implicated in the development of ulcerative colitis (UC). While Piezo1's role in inducing ferroptosis in chondrocytes and pulmonary endothelial cells is documented, its regulatory function in ferroptosis and intestinal epithelial cells in UC remains unclear. To address this, colonic tissue samples from patients with UC were examined, and specific intestinal epithelial Piezo1-deficient (Piezo1ΔIEC) mice were created to investigate Piezo1's role in UC pathogenesis. Elevated epithelial Piezo1 levels were observed in patients with UC, correlating with increased ferroptosis and tight junction (TJ) disruption. In dextran sulfate sodium (DSS)-induced colitis, Piezo1ΔIEC mice exhibited significantly reduced intestinal inflammation and improved gut barrier function compared to wild-type (WT) mice. Moreover, Piezo1 deficiency in colitis mice and lipopolysaccharide (LPS)-stimulated Caco-2 cells led to higher TJ protein levels, reduced lipid peroxidation, enhanced mitochondrial function, and altered expression of ferroptosis-associated proteins. Additionally, erastin, a ferroptosis activator, reversed the protective effect of Piezo1 silencing against LPS-induced ferroptosis in Caco-2 cells. Mechanistically, Piezo1 was found to regulate ferroptosis via the AMPK/mTOR signaling pathway. These findings highlight a novel role for Piezo1 deletion in mitigating ferroptosis in intestinal epithelial cells, suggesting Piezo1 as a potential therapeutic target for UC treatment.
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Affiliation(s)
- Jiejie Zhu
- Department of Gastroenterology, The First Affiliated Hospital of Anhui Medical University, Hefei City, Anhui Province, China
| | - Yumei Wu
- Department of Gastroenterology, The First Affiliated Hospital of Anhui Medical University, Hefei City, Anhui Province, China
| | - Luyao Zhang
- Department of Gastroenterology, The First Affiliated Hospital of Anhui Medical University, Hefei City, Anhui Province, China
| | - Bingqing Bai
- Department of Gastroenterology, The First Affiliated Hospital of Anhui Medical University, Hefei City, Anhui Province, China
| | - Wei Han
- Department of Gastroenterology, The First Affiliated Hospital of Anhui Medical University, Hefei City, Anhui Province, China
| | - Hua Wang
- Department of Oncology, The First Affiliated Hospital of Anhui Medical University, Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Anhui Medical University, Hefei, China.
| | - Qiao Mei
- Department of Gastroenterology, The First Affiliated Hospital of Anhui Medical University, Hefei City, Anhui Province, China.
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Jin C, Su S, Yu S, Zhang Y, Chen K, Xiang M, Ma H. Essential Roles of PIEZO1 in Mammalian Cardiovascular System: From Development to Diseases. Cells 2024; 13:1422. [PMID: 39272994 PMCID: PMC11394449 DOI: 10.3390/cells13171422] [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: 07/15/2024] [Revised: 08/21/2024] [Accepted: 08/22/2024] [Indexed: 09/15/2024] Open
Abstract
Mechanical force is the basis of cardiovascular development, homeostasis, and diseases. The perception and response of mechanical force by the cardiovascular system are crucial. However, the molecular mechanisms mediating mechanotransduction in the cardiovascular system are not yet understood. PIEZO1, a novel transmembrane mechanosensitive cation channel known for its regulation of touch sensation, has been found to be widely expressed in the mammalian cardiovascular system. In this review, we elucidate the role and mechanism of PIEZO1 as a mechanical sensor in cardiovascular development, homeostasis, and disease processes, including embryo survival, angiogenesis, cardiac development repair, vascular inflammation, lymphangiogenesis, blood pressure regulation, cardiac hypertrophy, cardiac fibrosis, ventricular remodeling, and heart failure. We further summarize chemical molecules targeting PIEZO1 for potential translational applications. Finally, we address the controversies surrounding emergent concepts and challenges in future applications.
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Affiliation(s)
- Chengjiang Jin
- Cardiovascular Key Laboratory of Zhejiang Province, National Key Laboratory of Vascular Implantable Devices, Department of Cardiology, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou 310009, China
| | - Sheng'an Su
- Cardiovascular Key Laboratory of Zhejiang Province, National Key Laboratory of Vascular Implantable Devices, Department of Cardiology, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou 310009, China
| | - Shuo Yu
- Department of Anesthesiology, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou 310009, China
| | - Yue Zhang
- Cardiovascular Key Laboratory of Zhejiang Province, National Key Laboratory of Vascular Implantable Devices, Department of Cardiology, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou 310009, China
| | - Kaijie Chen
- Cardiovascular Key Laboratory of Zhejiang Province, National Key Laboratory of Vascular Implantable Devices, Department of Cardiology, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou 310009, China
| | - Meixiang Xiang
- Cardiovascular Key Laboratory of Zhejiang Province, National Key Laboratory of Vascular Implantable Devices, Department of Cardiology, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou 310009, China
| | - Hong Ma
- Cardiovascular Key Laboratory of Zhejiang Province, National Key Laboratory of Vascular Implantable Devices, Department of Cardiology, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou 310009, China
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Martier A, Chen Z, Schaps H, Mondrinos MJ, Fang JS. Capturing physiological hemodynamic flow and mechanosensitive cell signaling in vessel-on-a-chip platforms. Front Physiol 2024; 15:1425618. [PMID: 39135710 PMCID: PMC11317428 DOI: 10.3389/fphys.2024.1425618] [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: 05/06/2024] [Accepted: 07/10/2024] [Indexed: 08/15/2024] Open
Abstract
Recent advances in organ chip (or, "organ-on-a-chip") technologies and microphysiological systems (MPS) have enabled in vitro investigation of endothelial cell function in biomimetic three-dimensional environments under controlled fluid flow conditions. Many current organ chip models include a vascular compartment; however, the design and implementation of these vessel-on-a-chip components varies, with consequently varied impact on their ability to capture and reproduce hemodynamic flow and associated mechanosensitive signaling that regulates key characteristics of healthy, intact vasculature. In this review, we introduce organ chip and vessel-on-a-chip technology in the context of existing in vitro and in vivo vascular models. We then briefly discuss the importance of mechanosensitive signaling for vascular development and function, with focus on the major mechanosensitive signaling pathways involved. Next, we summarize recent advances in MPS and organ chips with an integrated vascular component, with an emphasis on comparing both the biomimicry and adaptability of the diverse approaches used for supporting and integrating intravascular flow. We review current data showing how intravascular flow and fluid shear stress impacts vessel development and function in MPS platforms and relate this to existing work in cell culture and animal models. Lastly, we highlight new insights obtained from MPS and organ chip models of mechanosensitive signaling in endothelial cells, and how this contributes to a deeper understanding of vessel growth and function in vivo. We expect this review will be of broad interest to vascular biologists, physiologists, and cardiovascular physicians as an introduction to organ chip platforms that can serve as viable model systems for investigating mechanosensitive signaling and other aspects of vascular physiology.
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Affiliation(s)
- A. Martier
- Department of Biomedical Engineering, School of Science and Engineering, Tulane University, New Orleans, LA, United States
| | - Z. Chen
- Department of Cell and Molecular Biology, School of Science and Engineering, Tulane University, New Orleans, LA, United States
| | - H. Schaps
- Department of Cell and Molecular Biology, School of Science and Engineering, Tulane University, New Orleans, LA, United States
| | - M. J. Mondrinos
- Department of Biomedical Engineering, School of Science and Engineering, Tulane University, New Orleans, LA, United States
- Department of Physiology, School of Medicine, Tulane University, New Orleans, LA, United States
| | - J. S. Fang
- Department of Cell and Molecular Biology, School of Science and Engineering, Tulane University, New Orleans, LA, United States
- Department of Physiology, School of Medicine, Tulane University, New Orleans, LA, United States
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Abello J, Yin Y, Zhao Y, Maurer J, Lee J, Bodell C, Clevenger AJ, Burton Z, Goeckel ME, Lin M, Grainger S, Halabi CM, Raghavan SA, Sah R, Stratman AN. Endothelial cell Piezo1 promotes vascular smooth muscle cell differentiation on large arteries. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.06.11.598539. [PMID: 38915529 PMCID: PMC11195244 DOI: 10.1101/2024.06.11.598539] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/26/2024]
Abstract
Vascular stabilization is a mechanosensitive process, in part driven by blood flow. Here, we demonstrate the involvement of the mechanosensitive ion channel, Piezo1, in promoting arterial accumulation of vascular smooth muscle cells (vSMCs) during zebrafish development. Using a series of small molecule antagonists or agonists to temporally regulate Piezo1 activity, we identified a role for the Piezo1 channel in regulating klf2a levels and altered targeting of vSMCs between arteries and veins. Increasing Piezo1 activity suppressed klf2a and increased vSMC association with the cardinal vein, while inhibition of Piezo1 activity increased klf2a levels and decreased vSMC association with arteries. We supported the small molecule data with in vivo genetic suppression of piezo1 and 2 in zebrafish, resulting in loss of transgelin+ vSMCs on the dorsal aorta. Further, endothelial cell (EC)-specific Piezo1 knockout in mice was sufficient to decrease vSMC accumulation along the descending dorsal aorta during development, thus phenocopying our zebrafish data, and supporting functional conservation of Piezo1 in mammals. To determine mechanism, we used in vitro modeling assays to demonstrate that differential sensing of pulsatile versus laminar flow forces across endothelial cells changes the expression of mural cell differentiation genes. Together, our findings suggest a crucial role for EC Piezo1 in sensing force within large arteries to mediate mural cell differentiation and stabilization of the arterial vasculature.
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Affiliation(s)
- Javier Abello
- Department of Cell Biology and Physiology, Washington University in St. Louis School of Medicine, St. Louis, MO, USA
| | - Ying Yin
- Department of Cell Biology and Physiology, Washington University in St. Louis School of Medicine, St. Louis, MO, USA
| | - Yonghui Zhao
- Department of Internal Medicine, Cardiovascular Division, Washington University School of Medicine, St. Louis, MO, USA
| | - Josh Maurer
- Department of Internal Medicine, Cardiovascular Division, Washington University School of Medicine, St. Louis, MO, USA
| | - Jihui Lee
- Department of Cell Biology and Physiology, Washington University in St. Louis School of Medicine, St. Louis, MO, USA
| | - Cherokee Bodell
- Department of Cell Biology and Physiology, Washington University in St. Louis School of Medicine, St. Louis, MO, USA
| | - Abigail J. Clevenger
- Department of Biomedical Engineering, Texas A&M University, College Station, Texas, USA
| | - Zarek Burton
- Department of Cell Biology and Physiology, Washington University in St. Louis School of Medicine, St. Louis, MO, USA
| | - Megan E. Goeckel
- Department of Cell Biology and Physiology, Washington University in St. Louis School of Medicine, St. Louis, MO, USA
| | - Michelle Lin
- Department of Pediatrics, Washington University School of Medicine, St. Louis, MO, USA
| | - Stephanie Grainger
- Department of Cell Biology, Van Andel Research Institute, Grand Rapids, Michigan, USA
| | - Carmen M. Halabi
- Department of Pediatrics, Washington University School of Medicine, St. Louis, MO, USA
| | - Shreya A. Raghavan
- Department of Biomedical Engineering, Texas A&M University, College Station, Texas, USA
| | - Rajan Sah
- Department of Internal Medicine, Cardiovascular Division, Washington University School of Medicine, St. Louis, MO, USA
- Center for Cardiovascular Research, Washington University, St Louis, MO, USA
| | - Amber N. Stratman
- Department of Cell Biology and Physiology, Washington University in St. Louis School of Medicine, St. Louis, MO, USA
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Katoh K. Effects of Mechanical Stress on Endothelial Cells In Situ and In Vitro. Int J Mol Sci 2023; 24:16518. [PMID: 38003708 PMCID: PMC10671803 DOI: 10.3390/ijms242216518] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Revised: 11/14/2023] [Accepted: 11/15/2023] [Indexed: 11/26/2023] Open
Abstract
Endothelial cells lining blood vessels are essential for maintaining vascular homeostasis and mediate several pathological and physiological processes. Mechanical stresses generated by blood flow and other biomechanical factors significantly affect endothelial cell activity. Here, we review how mechanical stresses, both in situ and in vitro, affect endothelial cells. We review the basic principles underlying the cellular response to mechanical stresses. We also consider the implications of these findings for understanding the mechanisms of mechanotransducer and mechano-signal transduction systems by cytoskeletal components.
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Affiliation(s)
- Kazuo Katoh
- Laboratory of Human Anatomy and Cell Biology, Faculty of Health Sciences, Tsukuba University of Technology, Tsukuba 305-8521, Japan
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Endesh N, Chuntharpursat‐Bon E, Revill C, Yuldasheva NY, Futers TS, Parsonage G, Humphreys N, Adamson A, Morley LC, Cubbon RM, Prasad KR, Foster R, Lichtenstein L, Beech DJ. Independent endothelial functions of PIEZO1 and TRPV4 in hepatic portal vein and predominance of PIEZO1 in mechanical and osmotic stress. Liver Int 2023; 43:2026-2038. [PMID: 37349903 PMCID: PMC10946873 DOI: 10.1111/liv.15646] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/25/2023] [Revised: 04/27/2023] [Accepted: 05/31/2023] [Indexed: 06/24/2023]
Abstract
BACKGROUND & AIMS PIEZO1 and TRPV4 are mechanically and osmotically regulated calcium-permeable channels. The aim of this study was to determine the relevance and relationship of these channels in the contractile tone of the hepatic portal vein, which experiences mechanical and osmotic variations as it delivers blood to the liver from the intestines, gallbladder, pancreas and spleen. METHODS Wall tension was measured in freshly dissected portal veins from adult male mice, which were genetically unmodified or modified for either a non-disruptive tag in native PIEZO1 or endothelial-specific PIEZO1 deletion. Pharmacological agents were used to activate or inhibit PIEZO1, TRPV4 and associated pathways, including Yoda1 and Yoda2 for PIEZO1 and GSK1016790A for TRPV4 agonism, respectively. RESULTS PIEZO1 activation leads to nitric oxide synthase- and endothelium-dependent relaxation of the portal vein. TRPV4 activation causes contraction, which is also endothelium-dependent but independent of nitric oxide synthase. The TRPV4-mediated contraction is suppressed by inhibitors of phospholipase A2 and cyclooxygenases and mimicked by prostaglandin E2 , suggesting mediation by arachidonic acid metabolism. TRPV4 antagonism inhibits the effect of agonising TRPV4 but not PIEZO1. Increased wall stretch and hypo-osmolality inhibit TRPV4 responses while lacking effects on or amplifying PIEZO1 responses. CONCLUSIONS The portal vein contains independently functioning PIEZO1 channels and TRPV4 channels in the endothelium, the pharmacological activation of which leads to opposing effects of vessel relaxation (PIEZO1) and contraction (TRPV4). In mechanical and osmotic strain, the PIEZO1 mechanism dominates. Modulators of these channels could present important new opportunities for manipulating liver perfusion and regeneration in disease and surgical procedures.
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Affiliation(s)
| | | | | | | | | | | | - Neil Humphreys
- Faculty of Biology, Medicine and HealthUniversity of ManchesterManchesterUK
| | - Antony Adamson
- Faculty of Biology, Medicine and HealthUniversity of ManchesterManchesterUK
| | | | | | - K. Raj Prasad
- Department of Hepatobiliary and Transplant SurgerySt James's University HospitalLeedsUK
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Xu S, Wang F, Mai P, Peng Y, Shu X, Nie R, Zhang H. Mechanism Analysis of Vascular Calcification Based on Fluid Dynamics. Diagnostics (Basel) 2023; 13:2632. [PMID: 37627891 PMCID: PMC10453151 DOI: 10.3390/diagnostics13162632] [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: 07/16/2023] [Revised: 08/05/2023] [Accepted: 08/07/2023] [Indexed: 08/27/2023] Open
Abstract
Vascular calcification is the abnormal deposition of calcium phosphate complexes in blood vessels, which is regarded as the pathological basis of multiple cardiovascular diseases. The flowing blood exerts a frictional force called shear stress on the vascular wall. Blood vessels have different hydrodynamic properties due to discrepancies in geometric and mechanical properties. The disturbance of the blood flow in the bending area and the branch point of the arterial tree produces a shear stress lower than the physiological magnitude of the laminar shear stress, which can induce the occurrence of vascular calcification. Endothelial cells sense the fluid dynamics of blood and transmit electrical and chemical signals to the full-thickness of blood vessels. Through crosstalk with endothelial cells, smooth muscle cells trigger osteogenic transformation, involved in mediating vascular intima and media calcification. In addition, based on the detection of fluid dynamics parameters, emerging imaging technologies such as 4D Flow MRI and computational fluid dynamics have greatly improved the early diagnosis ability of cardiovascular diseases, showing extremely high clinical application prospects.
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Affiliation(s)
- Shuwan Xu
- Department of Cardiology, The Eighth Affiliated Hospital of Sun Yat-Sen University, Shenzhen 518033, China; (S.X.); (F.W.); (P.M.)
| | - Feng Wang
- Department of Cardiology, The Eighth Affiliated Hospital of Sun Yat-Sen University, Shenzhen 518033, China; (S.X.); (F.W.); (P.M.)
| | - Peibiao Mai
- Department of Cardiology, The Eighth Affiliated Hospital of Sun Yat-Sen University, Shenzhen 518033, China; (S.X.); (F.W.); (P.M.)
| | - Yanren Peng
- Department of Cardiology, Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University, Guangzhou 510120, China; (Y.P.); (X.S.)
| | - Xiaorong Shu
- Department of Cardiology, Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University, Guangzhou 510120, China; (Y.P.); (X.S.)
| | - Ruqiong Nie
- Department of Cardiology, Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University, Guangzhou 510120, China; (Y.P.); (X.S.)
| | - Huanji Zhang
- Department of Cardiology, The Eighth Affiliated Hospital of Sun Yat-Sen University, Shenzhen 518033, China; (S.X.); (F.W.); (P.M.)
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Di X, Gao X, Peng L, Ai J, Jin X, Qi S, Li H, Wang K, Luo D. Cellular mechanotransduction in health and diseases: from molecular mechanism to therapeutic targets. Signal Transduct Target Ther 2023; 8:282. [PMID: 37518181 PMCID: PMC10387486 DOI: 10.1038/s41392-023-01501-9] [Citation(s) in RCA: 46] [Impact Index Per Article: 46.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Revised: 05/10/2023] [Accepted: 05/11/2023] [Indexed: 08/01/2023] Open
Abstract
Cellular mechanotransduction, a critical regulator of numerous biological processes, is the conversion from mechanical signals to biochemical signals regarding cell activities and metabolism. Typical mechanical cues in organisms include hydrostatic pressure, fluid shear stress, tensile force, extracellular matrix stiffness or tissue elasticity, and extracellular fluid viscosity. Mechanotransduction has been expected to trigger multiple biological processes, such as embryonic development, tissue repair and regeneration. However, prolonged excessive mechanical stimulation can result in pathological processes, such as multi-organ fibrosis, tumorigenesis, and cancer immunotherapy resistance. Although the associations between mechanical cues and normal tissue homeostasis or diseases have been identified, the regulatory mechanisms among different mechanical cues are not yet comprehensively illustrated, and no effective therapies are currently available targeting mechanical cue-related signaling. This review systematically summarizes the characteristics and regulatory mechanisms of typical mechanical cues in normal conditions and diseases with the updated evidence. The key effectors responding to mechanical stimulations are listed, such as Piezo channels, integrins, Yes-associated protein (YAP) /transcriptional coactivator with PDZ-binding motif (TAZ), and transient receptor potential vanilloid 4 (TRPV4). We also reviewed the key signaling pathways, therapeutic targets and cutting-edge clinical applications of diseases related to mechanical cues.
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Affiliation(s)
- Xingpeng Di
- Department of Urology and Institute of Urology, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, P.R. China
| | - Xiaoshuai Gao
- Department of Urology and Institute of Urology, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, P.R. China
| | - Liao Peng
- Department of Urology and Institute of Urology, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, P.R. China
| | - Jianzhong Ai
- Department of Urology and Institute of Urology, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, P.R. China
| | - Xi Jin
- Department of Urology and Institute of Urology, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, P.R. China
| | - Shiqian Qi
- Department of Urology and Institute of Urology, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, P.R. China
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, P.R. China
| | - Hong Li
- Department of Urology and Institute of Urology, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, P.R. China
| | - Kunjie Wang
- Department of Urology and Institute of Urology, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, P.R. China.
| | - Deyi Luo
- Department of Urology and Institute of Urology, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, P.R. China.
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Konishi T, Kamiyama K, Osato T, Yoshimoto T, Aoki T, Anzai T, Tanaka S. Increased Piezo1 expression in myofibroblasts in patients with symptomatic carotid atherosclerotic plaques undergoing carotid endarterectomy: A pilot study. Vascular 2023:17085381231192380. [PMID: 37499697 DOI: 10.1177/17085381231192380] [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: 07/29/2023]
Abstract
OBJECTIVES We aimed to investigate Piezo1 expression in myofibroblasts in symptomatic and asymptomatic patients undergoing carotid endarterectomy and its relationship with atherosclerotic plaque formation. METHODS This cross-sectional study analyzed carotid plaques of 17 randomly selected patients who underwent carotid endarterectomy from May 2015 to August 2017. In total, 51 sections (the most stenotic lesion, and the sections 5-mm proximal and distal) stained with hematoxylin-eosin and elastica-Masson were examined. Immunohistochemistry was performed using antibodies to Piezo1. The Piezo1 score of a section was calculated semiquantitatively, averaged across 30 randomly selected myofibroblasts in the fibrous cap of the plaque. RESULTS Of 17 patients (mean age: 74.2 ± 7.1 years), 15 were men, 9 had diabetes mellitus, and 13 had hypertension. Symptomatic patients had higher mean Piezo1 score than asymptomatic patients (1.78 ± 0.23 vs 1.34 ± 0.17, p < .001). Univariate linear regression analyses suggested an association between plaque rupture, thin-cap fibroatheroma and microcalcifications and the Piezo1 score (p = .001, .008, and 0.003, respectively). CONCLUSIONS Increased Piezo1 expression of myofibroblasts may be associated with atherosclerotic carotid plaque instability. Further study is warranted to support this finding.
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Affiliation(s)
- Takao Konishi
- Department of Cardiovascular Medicine, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Kenji Kamiyama
- Department of Neurosurgery, Nakamura Memorial Hospital, Sapporo, Japan
| | - Toshiaki Osato
- Department of Neurosurgery, Nakamura Memorial Hospital, Sapporo, Japan
| | - Tetsuyuki Yoshimoto
- Department of Neurosurgery, Hokkaido Neurosurgical Memorial Hospital, Sapporo, Japan
| | - Takeshi Aoki
- Department of Neurosurgery, Hokkaido Neurosurgical Memorial Hospital, Sapporo, Japan
| | - Toshihisa Anzai
- Department of Cardiovascular Medicine, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Shinya Tanaka
- Department of Cancer Pathology, Faculty of Medicine, Hokkaido University, Sapporo, Japan
- Institute for Chemical Reaction Design and Discovery (WPI-ICReDD), Hokkaido University, Sapporo, Japan
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10
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Götschi T, Held V, Klucker G, Niederöst B, Aagaard P, Spörri J, Passini FS, Snedeker JG. PIEZO1 gain-of-function gene variant is associated with elevated tendon stiffness in humans. J Appl Physiol (1985) 2023; 135:165-173. [PMID: 37227181 PMCID: PMC10625831 DOI: 10.1152/japplphysiol.00573.2022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Revised: 05/19/2023] [Accepted: 05/21/2023] [Indexed: 05/26/2023] Open
Abstract
Prolonged periods of increased physical demands can elicit anabolic tendon adaptations that increase stiffness and mechanical resilience or conversely can lead to pathological processes that deteriorate tendon structural quality with ensuing pain and potential rupture. Although the mechanisms by which tendon mechanical loads regulate tissue adaptation are largely unknown, the ion channel PIEZO1 has been implicated in tendon mechanotransduction, with human carriers of the PIEZO1 gain-of-function variant E756del displaying improved dynamic vertical jump performance compared with noncarriers. Here, we sought to examine whether increased tendon stiffness in humans could explain this increased performance. We assessed tendon morphological and mechanical properties with ultrasound-based techniques in 77 participants of Middle- and West-African descent, and we measured their vertical jumping performance to assess potential functional consequences in the context of high tendon strain-rate loading. Carrying the E756del gene variant (n = 30) was associated with 46.3 ± 68.3% (P = 0.002) and 45.6 ± 69.2% (P < 0.001) higher patellar tendon stiffness and Young's modulus compared with noncarrying controls, respectively. Although these tissue level measures strongly corroborate the initial postulate that PIEZO1 plays an integral part in regulating tendon material properties and stiffness in humans, we found no detectable correlation between tendon stiffness and jumping performance in the tested population that comprised individuals of highly diverse physical fitness level, dexterity, and jumping ability.NEW & NOTEWORTHY The E756del gene variant causes overactivity of the mechanosensitive membrane channel PIEZO1 and is suspected to upregulate tendon collagen cross linking. In human carriers of E756del, we found increased patellar tendon stiffness but similar tendon lengths and cross-sectional areas, directly supporting the premise that PIEZO1 regulates human tendon stiffness at the level of tissue material properties.
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Affiliation(s)
- Tobias Götschi
- Laboratory for Orthopaedic Biomechanics, Department of Orthopaedics, Balgrist University Hospital, University of Zurich, Zürich, Switzerland
- Institute for Biomechanics, ETH Zurich, Zürich, Switzerland
| | - Victoria Held
- Institute for Biomechanics, ETH Zurich, Zürich, Switzerland
- Sports Medical Research Group, Department of Orthopaedics, Balgrist University Hospital, University of Zurich, Zürich, Switzerland
| | - Gianna Klucker
- Institute for Biomechanics, ETH Zurich, Zürich, Switzerland
- Sports Medical Research Group, Department of Orthopaedics, Balgrist University Hospital, University of Zurich, Zürich, Switzerland
| | - Barbara Niederöst
- Laboratory for Orthopaedic Biomechanics, Department of Orthopaedics, Balgrist University Hospital, University of Zurich, Zürich, Switzerland
- Institute for Biomechanics, ETH Zurich, Zürich, Switzerland
| | - Per Aagaard
- Department of Orthopaedics, University Centre for Prevention and Sports Medicine, Balgrist University Hospital, University of Zurich, Zürich, Switzerland
| | - Jörg Spörri
- Sports Medical Research Group, Department of Orthopaedics, Balgrist University Hospital, University of Zurich, Zürich, Switzerland
- Department of Orthopaedics, University Centre for Prevention and Sports Medicine, Balgrist University Hospital, University of Zurich, Zürich, Switzerland
| | - Fabian S Passini
- Laboratory for Orthopaedic Biomechanics, Department of Orthopaedics, Balgrist University Hospital, University of Zurich, Zürich, Switzerland
- Institute for Biomechanics, ETH Zurich, Zürich, Switzerland
| | - Jess G Snedeker
- Laboratory for Orthopaedic Biomechanics, Department of Orthopaedics, Balgrist University Hospital, University of Zurich, Zürich, Switzerland
- Institute for Biomechanics, ETH Zurich, Zürich, Switzerland
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11
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Gunasekar SK, Heebink J, Carpenter DH, Kumar A, Xie L, Zhang H, Schilling JD, Sah R. Adipose-targeted SWELL1 deletion exacerbates obesity- and age-related nonalcoholic fatty liver disease. JCI Insight 2023; 8:e154940. [PMID: 36749637 PMCID: PMC10077479 DOI: 10.1172/jci.insight.154940] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Accepted: 01/27/2023] [Indexed: 02/08/2023] Open
Abstract
Healthy expansion of adipose tissue is critical for the maintenance of metabolic health, providing an optimized reservoir for energy storage in the form of triacylglycerol-rich lipoproteins. Dysfunctional adipocytes that are unable to efficiently store lipid can result in lipodystrophy and contribute to nonalcoholic fatty liver disease (NAFLD) and metabolic syndrome. Leucine-rich repeat containing protein 8a/SWELL1 functionally encodes the volume-regulated anion channel complex in adipocytes, is induced in early obesity, and is required for normal adipocyte expansion during high-fat feeding. Adipose-specific SWELL1 ablation (Adipo KO) leads to insulin resistance and hyperglycemia during caloric excess, both of which are associated with NAFLD. Here, we show that Adipo-KO mice exhibited impaired adipose depot expansion and excess lipolysis when raised on a variety of high-fat diets, resulting in increased diacylglycerides and hepatic steatosis, thereby driving liver injury. Liver lipidomic analysis revealed increases in oleic acid-containing hepatic triacylglycerides and injurious hepatic diacylglyceride species, with reductions in hepatocyte-protective phospholipids and antiinflammatory free fatty acids. Aged Adipo-KO mice developed hepatic steatosis on a regular chow diet, and Adipo-KO male mice developed spontaneous, aggressive hepatocellular carcinomas (HCCs). These data highlight the importance of adipocyte SWELL1 for healthy adipocyte expansion to protect against NAFLD and HCC in the setting of overnutrition and with aging.
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Affiliation(s)
- Susheel K. Gunasekar
- Department of Internal Medicine, Cardiovascular Division, Washington University School of Medicine, St. Louis, Missouri, USA
| | - John Heebink
- Department of Internal Medicine, Cardiovascular Division, Washington University School of Medicine, St. Louis, Missouri, USA
| | - Danielle H. Carpenter
- Department of Pathology, Saint Louis University School of Medicine, St. Louis, Missouri, USA
| | - Ashutosh Kumar
- Department of Internal Medicine, Cardiovascular Division, Washington University School of Medicine, St. Louis, Missouri, USA
| | - Litao Xie
- Department of Internal Medicine, Cardiovascular Division, Washington University School of Medicine, St. Louis, Missouri, USA
| | - Haixia Zhang
- Department of Internal Medicine, Cardiovascular Division, Washington University School of Medicine, St. Louis, Missouri, USA
| | - Joel D. Schilling
- Department of Internal Medicine, Cardiovascular Division, Washington University School of Medicine, St. Louis, Missouri, USA
| | - Rajan Sah
- Department of Internal Medicine, Cardiovascular Division, Washington University School of Medicine, St. Louis, Missouri, USA
- John Cochran VA Medical Center, St. Louis, Missouri, USA
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12
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Developmental function of Piezo1 in mouse submandibular gland morphogenesis. Histochem Cell Biol 2023:10.1007/s00418-023-02181-w. [PMID: 36814002 DOI: 10.1007/s00418-023-02181-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] [Accepted: 02/06/2023] [Indexed: 02/24/2023]
Abstract
Mechanically activated factors are important in organogenesis, especially in the formation of secretory organs, such as salivary glands. Piezo-type mechanosensitive ion channel component 1 (Piezo1), although previously studied as a physical modulator of the mechanotransduction, was firstly evaluated on its developmental function in this study. The detailed localization and expression pattern of Piezo1 during mouse submandibular gland (SMG) development were analyzed using immunohistochemistry and RT-qPCR, respectively. The specific expression pattern of Piezo1 was examined in acinar-forming epithelial cells at embryonic day 14 (E14) and E16, which are important developmental stages for acinar cell differentiation. To understand the precise function of Piezo1 in SMG development, siRNA against Piezo1 (siPiezo1) was employed as a loss-of-function approach, during in vitro organ cultivation of SMG at E14 for the designated period. Alterations in the histomorphology and expression patterns of related signaling molecules, including Bmp2, Fgf4, Fgf10, Gli1, Gli3, Ptch1, Shh, and Tgfβ-3, were examined in acinar-forming cells after 1 and 2 days of cultivation. Particularly, altered localization patterns of differentiation-related signaling molecules including Aquaporin5, E-cadherin, Vimentin, and cytokeratins would suggest that Piezo1 modulates the early differentiation of acinar cells in SMGs by modulating the Shh signaling pathway.
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13
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Levin MG, Huffman JE, Verma A, Sullivan KA, Rodriguez AA, Kainer D, Garvin MR, Lane M, Cashman M, Miller JI, Won H, Li B, Luo Y, Jarvik GP, Hakonarson H, Jasper EA, Bick AG, Tsao PS, Ritchie MD, Jacobson DA, Madduri RK, Damrauer SM. Genetics of varicose veins reveals polygenic architecture and genetic overlap with arterial and venous disease. NATURE CARDIOVASCULAR RESEARCH 2023; 2:44-57. [PMID: 39196206 DOI: 10.1038/s44161-022-00196-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Accepted: 11/23/2022] [Indexed: 08/29/2024]
Abstract
Varicose veins represent a common cause of cardiovascular morbidity, with limited available medical therapies. Although varicose veins are heritable and epidemiologic studies have identified several candidate varicose vein risk factors, the molecular and genetic basis remains uncertain. Here we analyzed the contribution of common genetic variants to varicose veins using data from the Veterans Affairs Million Veteran Program and four other large biobanks. Among 49,765 individuals with varicose veins and 1,334,301 disease-free controls, we identified 139 risk loci. We identified genetic overlap between varicose veins, other vascular diseases and dozens of anthropometric factors. Using Mendelian randomization, we prioritized therapeutic targets via integration of proteomic and transcriptomic data. Finally, topological enrichment analyses confirmed the biologic roles of endothelial shear flow disruption, inflammation, vascular remodeling and angiogenesis. These findings may facilitate future efforts to develop nonsurgical therapies for varicose veins.
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Affiliation(s)
- Michael G Levin
- Division of Cardiovascular Medicine, Department of Medicine, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA
- Corporal Michael J. Crescenz VA Medical Center, Philadelphia, PA, USA
| | - Jennifer E Huffman
- Massachusetts Veterans Epidemiology Research and Information Center (MAVERIC), VA Boston Healthcare System, Boston, MA, USA
| | - Anurag Verma
- Corporal Michael J. Crescenz VA Medical Center, Philadelphia, PA, USA
- Department of Genetics, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA
| | - Kyle A Sullivan
- Computational and Predictive Biology, Oak Ridge National Laboratory, Oak Ridge, TN, USA
| | - Alexis A Rodriguez
- Data Science and Learning Division, Argonne National Laboratory, Lemont, IL, USA
| | - David Kainer
- Computational and Predictive Biology, Oak Ridge National Laboratory, Oak Ridge, TN, USA
| | - Michael R Garvin
- Computational and Predictive Biology, Oak Ridge National Laboratory, Oak Ridge, TN, USA
| | - Matthew Lane
- Bredesen Center for Interdisciplinary Research and Graduate Education, University of Tennessee, Knoxville, TN, USA
| | - Mikaela Cashman
- Computational and Predictive Biology, Oak Ridge National Laboratory, Oak Ridge, TN, USA
| | - J Izaak Miller
- Computational and Predictive Biology, Oak Ridge National Laboratory, Oak Ridge, TN, USA
| | - Hyejung Won
- Department of Genetics, University of North Carolina, Chapel Hill, NC, USA
| | - Binglan Li
- Department of Biomedical Data Science, Stanford University, Stanford, CA, USA
| | - Yuan Luo
- Department of Preventive Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Gail P Jarvik
- Departments of Medicine (Division of Medical Genetics) and Genome Sciences, University of Washington Medical Center, Seattle, WA, USA
| | - Hakon Hakonarson
- Center for Applied Genomics, The Children's Hospital of Philadelphia, Philadelphia, PA, USA
| | - Elizabeth A Jasper
- Division of Quantitative Sciences, Department of Obstetrics and Gynecology, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Alexander G Bick
- Division of Genetic Medicine, Department of Medicine, Vanderbilt University School of Medicine, Nashville, TN, USA
| | - Philip S Tsao
- VA Palo Alto Health Care System, Palo Alto, CA, USA
- Department of Medicine, Stanford University School of Medicine, Stanford, CA, USA
| | - Marylyn D Ritchie
- Department of Genetics, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA
- Institute for Biomedical Informatics, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA
| | - Daniel A Jacobson
- Computational and Predictive Biology, Oak Ridge National Laboratory, Oak Ridge, TN, USA
| | - Ravi K Madduri
- Data Science and Learning Division, Argonne National Laboratory, Lemont, IL, USA
| | - Scott M Damrauer
- Corporal Michael J. Crescenz VA Medical Center, Philadelphia, PA, USA.
- Department of Genetics, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA.
- Department of Surgery, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA.
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14
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Lai A, Thurgood P, Cox CD, Chheang C, Peter K, Jaworowski A, Khoshmanesh K, Baratchi S. Piezo1 Response to Shear Stress Is Controlled by the Components of the Extracellular Matrix. ACS APPLIED MATERIALS & INTERFACES 2022; 14:40559-40568. [PMID: 36047858 DOI: 10.1021/acsami.2c09169] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Piezo1 is a recently discovered Ca2+ permeable ion channel that has emerged as an integral sensor of hemodynamic forces within the cardiovascular system, contributing to vascular development and blood pressure regulation. However, how the composition of the extracellular matrix (ECM) affects the mechanosensitivity of Piezo1 in response to hemodynamic forces remains poorly understood. Using a combination of microfluidics and calcium imaging techniques, we probe the shear stress sensitivity of single HEK293T cells engineered to stably express Piezo1 in the presence of different ECM proteins. Our experiments show that Piezo1 sensitivity to shear stress is not dependent on the presence of ECM proteins. However, different ECM proteins regulate the sensitivity of Piezo1 depending on the shear stress level. Under high shear stress, fibronectin sensitizes Piezo1 response to shear, while under low shear stress, Piezo1 mechanosensitivity is improved in the presence of collagen types I and IV and laminin. Moreover, we report that α5β1 and αvβ3 integrins are involved in Piezo1 sensitivity at high shear, while αvβ3 and αvβ5 integrins are involved in regulating the Piezo1 response at low shear stress. These results demonstrate that the ECM/integrin interactions influence Piezo1 mechanosensitivity and could represent a mechanism whereby extracellular forces are transmitted to Piezo1 channels, providing new insights into the mechanism by which Piezo1 senses shear stress.
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Affiliation(s)
- Austin Lai
- School of Health & Biomedical Sciences, RMIT University, Bundoora, Victoria 3082, Australia
| | - Peter Thurgood
- School of Engineering, RMIT University, Melbourne, Victoria 3000, Australia
| | - Charles D Cox
- Molecular Cardiology and Biophysics Division, Victor Chang Cardiac Research Institute, Sydney, New South Wales 2010, Australia
| | - Chanly Chheang
- School of Health & Biomedical Sciences, RMIT University, Bundoora, Victoria 3082, Australia
| | - Karlheinz Peter
- Baker Heart and Diabetes Institute, Melbourne, Victoria 3004, Australia
- Department of Cardiometabolic Health, The University of Melbourne, Parkville, Victoria 3010, Australia
| | - Anthony Jaworowski
- School of Health & Biomedical Sciences, RMIT University, Bundoora, Victoria 3082, Australia
| | | | - Sara Baratchi
- School of Health & Biomedical Sciences, RMIT University, Bundoora, Victoria 3082, Australia
- Baker Heart and Diabetes Institute, Melbourne, Victoria 3004, Australia
- Department of Cardiometabolic Health, The University of Melbourne, Parkville, Victoria 3010, Australia
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15
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A critical role of the mechanosensor PIEZO1 in glucose-induced insulin secretion in pancreatic β-cells. Nat Commun 2022; 13:4237. [PMID: 35869052 PMCID: PMC9307633 DOI: 10.1038/s41467-022-31103-y] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2019] [Accepted: 06/06/2022] [Indexed: 11/08/2022] Open
Abstract
Glucose-induced insulin secretion depends on β-cell electrical activity. Inhibition of ATP-regulated potassium (KATP) channels is a key event in this process. However, KATP channel closure alone is not sufficient to induce β-cell electrical activity; activation of a depolarizing membrane current is also required. Here we examine the role of the mechanosensor ion channel PIEZO1 in this process. Yoda1, a specific PIEZO1 agonist, activates a small membrane current and thereby triggers β-cell electrical activity with resultant stimulation of Ca2+-influx and insulin secretion. Conversely, the PIEZO1 antagonist GsMTx4 reduces glucose-induced Ca2+-signaling, electrical activity and insulin secretion. Yet, PIEZO1 expression is elevated in islets from human donors with type-2 diabetes (T2D) and a rodent T2D model (db/db mouse), in which insulin secretion is reduced. This paradox is resolved by our finding that PIEZO1 translocates from the plasmalemma into the nucleus (where it cannot influence the membrane potential of the β-cell) under experimental conditions emulating T2D (high glucose culture). β-cell-specific Piezo1-knockout mice show impaired glucose tolerance in vivo and reduced glucose-induced insulin secretion, β-cell electrical activity and Ca2+ elevation in vitro. These results implicate mechanotransduction and activation of PIEZO1, via intracellular accumulation of glucose metabolites, as an important physiological regulator of insulin secretion.
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16
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Wang C, Qu K, Wang J, Qin R, Li B, Qiu J, Wang G. Biomechanical regulation of planar cell polarity in endothelial cells. Biochim Biophys Acta Mol Basis Dis 2022; 1868:166495. [PMID: 35850177 DOI: 10.1016/j.bbadis.2022.166495] [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: 11/30/2021] [Revised: 07/09/2022] [Accepted: 07/11/2022] [Indexed: 01/03/2023]
Abstract
Cell polarity refers to the uneven distribution of certain cytoplasmic components in a cell with a spatial order. The planar cell polarity (PCP), the cell aligns perpendicular to the polar plane, in endothelial cells (ECs) has become a research hot spot. The planar polarity of ECs has a positive significance on the regulation of cardiovascular dysfunction, pathological angiogenesis, and ischemic stroke. The endothelial polarity is stimulated and regulated by biomechanical force. Mechanical stimuli promote endothelial polarization and make ECs produce PCP to maintain the normal physiological and biochemical functions. Here, we overview recent advances in understanding the interplay and mechanism between PCP and ECs function involved in mechanical forces, with a focus on PCP signaling pathways and organelles in regulating the polarity of ECs. And then showed the related diseases caused by ECs polarity dysfunction. This study provides new ideas and therapeutic targets for the treatment of endothelial PCP-related diseases.
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Affiliation(s)
- Caihong Wang
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing, China
| | - Kai Qu
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing, China
| | - Jing Wang
- Institute of Food and Nutrition Development, Ministry of Agriculture and Rural Affairs, Beijing, China
| | - Rui Qin
- College of Life Sciences, South-Central University for Nationalities, Wuhan, China
| | - Bingyi Li
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing, China
| | - Juhui Qiu
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing, China.
| | - Guixue Wang
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing, China.
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17
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Choi D, Park E, Yu RP, Cooper MN, Cho IT, Choi J, Yu J, Zhao L, Yum JEI, Yu JS, Nakashima B, Lee S, Seong YJ, Jiao W, Koh CJ, Baluk P, McDonald DM, Saraswathy S, Lee JY, Jeon NL, Zhang Z, Huang AS, Zhou B, Wong AK, Hong YK. Piezo1-Regulated Mechanotransduction Controls Flow-Activated Lymphatic Expansion. Circ Res 2022; 131:e2-e21. [PMID: 35701867 PMCID: PMC9308715 DOI: 10.1161/circresaha.121.320565] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
BACKGROUND Mutations in PIEZO1 (Piezo type mechanosensitive ion channel component 1) cause human lymphatic malformations. We have previously uncovered an ORAI1 (ORAI calcium release-activated calcium modulator 1)-mediated mechanotransduction pathway that triggers lymphatic sprouting through Notch downregulation in response to fluid flow. However, the identity of its upstream mechanosensor remains unknown. This study aimed to identify and characterize the molecular sensor that translates the flow-mediated external signal to the Orai1-regulated lymphatic expansion. METHODS Various mutant mouse models, cellular, biochemical, and molecular biology tools, and a mouse tail lymphedema model were employed to elucidate the role of Piezo1 in flow-induced lymphatic growth and regeneration. RESULTS Piezo1 was found to be abundantly expressed in lymphatic endothelial cells. Piezo1 knockdown in cultured lymphatic endothelial cells inhibited the laminar flow-induced calcium influx and abrogated the flow-mediated regulation of the Orai1 downstream genes, such as KLF2 (Krüppel-like factor 2), DTX1 (Deltex E3 ubiquitin ligase 1), DTX3L (Deltex E3 ubiquitin ligase 3L,) and NOTCH1 (Notch receptor 1), which are involved in lymphatic sprouting. Conversely, stimulation of Piezo1 activated the Orai1-regulated mechanotransduction in the absence of fluid flow. Piezo1-mediated mechanotransduction was significantly blocked by Orai1 inhibition, establishing the epistatic relationship between Piezo1 and Orai1. Lymphatic-specific conditional Piezo1 knockout largely phenocopied sprouting defects shown in Orai1- or Klf2- knockout lymphatics during embryo development. Postnatal deletion of Piezo1 induced lymphatic regression in adults. Ectopic Dtx3L expression rescued the lymphatic defects caused by Piezo1 knockout, affirming that the Piezo1 promotes lymphatic sprouting through Notch downregulation. Consistently, transgenic Piezo1 expression or pharmacological Piezo1 activation enhanced lymphatic sprouting. Finally, we assessed a potential therapeutic value of Piezo1 activation in lymphatic regeneration and found that a Piezo1 agonist, Yoda1, effectively suppressed postsurgical lymphedema development. CONCLUSIONS Piezo1 is an upstream mechanosensor for the lymphatic mechanotransduction pathway and regulates lymphatic growth in response to external physical stimuli. Piezo1 activation presents a novel therapeutic opportunity for preventing postsurgical lymphedema. The Piezo1-regulated lymphangiogenesis mechanism offers a molecular basis for Piezo1-associated lymphatic malformation in humans.
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Affiliation(s)
- Dongwon Choi
- Department of Surgery, Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, California, USA,Department of Biochemistry and Molecular Medicine, Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, California, USA
| | - Eunkyung Park
- Department of Surgery, Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, California, USA,Department of Biochemistry and Molecular Medicine, Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, California, USA
| | - Roy P. Yu
- Department of Surgery, Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, California, USA
| | - Michael N. Cooper
- Department of Surgery, Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, California, USA
| | - Il-Taeg Cho
- Department of Surgery, Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, California, USA,Department of Biochemistry and Molecular Medicine, Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, California, USA
| | - Joshua Choi
- Department of Surgery, Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, California, USA
| | - James Yu
- Department of Surgery, Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, California, USA
| | - Luping Zhao
- Department of Surgery, Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, California, USA,Department of Biochemistry and Molecular Medicine, Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, California, USA
| | - Ji-Eun Irene Yum
- Department of Surgery, Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, California, USA,Department of Biochemistry and Molecular Medicine, Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, California, USA
| | - Jin Suh Yu
- Department of Surgery, Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, California, USA,Department of Biochemistry and Molecular Medicine, Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, California, USA
| | - Brandon Nakashima
- Department of Surgery, Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, California, USA
| | - Sunju Lee
- Department of Surgery, Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, California, USA,Department of Biochemistry and Molecular Medicine, Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, California, USA
| | - Young Jin Seong
- Department of Surgery, Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, California, USA,Department of Biochemistry and Molecular Medicine, Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, California, USA
| | - Wan Jiao
- Department of Surgery, Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, California, USA
| | - Chester J. Koh
- Division of Pediatric Urology, Texas Children’s Hospital, Baylor College of Medicine, Houston, Texas, USA
| | - Peter Baluk
- Cardiovascular Research Institute, UCSF Helen Diller Family Comprehensive Cancer Center, and Department of Anatomy, University of California, San Francisco, San Francisco, California, USA
| | - Donald M. McDonald
- Cardiovascular Research Institute, UCSF Helen Diller Family Comprehensive Cancer Center, and Department of Anatomy, University of California, San Francisco, San Francisco, California, USA
| | - Sindhu Saraswathy
- Doheny Eye Institute and Department of Ophthalmology, David Geffen School of Medicine at UCLA, Los Angeles, California, USA
| | - Jong Y. Lee
- Doheny Eye Institute and Department of Ophthalmology, David Geffen School of Medicine at UCLA, Los Angeles, California, USA
| | - Noo Li Jeon
- Department of Mechanical and Aerospace Engineering, Seoul National University, Seoul, Republic of Korea
| | - Zhenqian Zhang
- State Key Laboratory of Cell Biology, Shanghai Institute of Biochemistry and Cell Biology, Center for Excellence in Molecular Cell Science, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai, China
| | - Alex S. Huang
- Doheny Eye Institute and Department of Ophthalmology, David Geffen School of Medicine at UCLA, Los Angeles, California, USA
| | - Bin Zhou
- State Key Laboratory of Cell Biology, Shanghai Institute of Biochemistry and Cell Biology, Center for Excellence in Molecular Cell Science, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai, China
| | - Alex K. Wong
- Division of Plastic Surgery, City of Hope National Medical Center, Duarte, California, USA
| | - Young-Kwon Hong
- Department of Surgery, Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, California, USA,Department of Biochemistry and Molecular Medicine, Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, California, USA
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18
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Alharbi KS, Almalki WH, Alzarea SI, Kazmi I, Al-Abbasi FA, Afzal O, Alfawaz Altamimi AS, Singh SK, Dua K, Gupta G. A narrative review on the biology of piezo1 with platelet-rich plasma in cardiac cell regeneration. Chem Biol Interact 2022; 363:110011. [PMID: 35728671 DOI: 10.1016/j.cbi.2022.110011] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Revised: 06/01/2022] [Accepted: 06/07/2022] [Indexed: 11/18/2022]
Abstract
Cardiomyocyte regeneration following cardiac damage is challenging to study because of the inflammatory process, the multiplication of cells in the stroma, and the creation of scar tissue. In addition to the initial damage, the subsequent decrease in cardiac myocytes adds to heart failure. Piezo1 is remarkably understudied in the heart, which may be related to its recent discovery. Despite this, Piezo1 is expressed in a variety of cardiovascular cell populations, notably epithelial cells (EC), cardiac fibroblasts (CF), and cardiac myocytes (CM), in both animal and human samples, with fibroblasts expressing more than myocytes. Researchers have recently shown that disrupting Piezo1 signaling causes defects in zebrafish developing the outflow tract (OFT) and aortic valves. Platelet plasma membranes may provide lipid substrates, such as phosphatidylinositol bisphosphate, that aid in activating the piezo 1 ion channel in the cardiovascular system. In addition, CXC chemokine ligand 8/CXC chemokine receptor 1/2 (CXCL8-CXCR1/2) signaling was identified to establish the proliferation of coronary endothelial cells during cardiac regeneration. Notably, all these pathways are calcium-dependent, and cell proliferation and angiogenesis were necessary to recover myocardial cells. This review will examine the most current findings to understand further how platelet-rich plasma (PRP) and the piezo 1 channel might aid in cardiomyocyte regeneration.
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Affiliation(s)
- Khalid Saad Alharbi
- Department of Pharmacology, College of Pharmacy, Jouf University, Sakaka, Al-Jouf, Saudi Arabia
| | - Waleed Hassan Almalki
- Department of Pharmacology, College of Pharmacy, Umm Al-Qura University, Makkah, Saudi Arabia.
| | - Sami I Alzarea
- Department of Pharmacology, College of Pharmacy, Jouf University, Sakaka, Al-Jouf, Saudi Arabia
| | - Imran Kazmi
- Department of Biochemistry, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Fahad A Al-Abbasi
- Department of Biochemistry, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Obaid Afzal
- Department of Pharmaceutical Chemistry, College of Pharmacy, Prince Sattam Bin Abdulaziz University, Al Kharj, 11942, Saudi Arabia
| | | | - Sachin Kumar Singh
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, Punjab, 144411, India; Faculty of Health, Australian Research Centre in Complementary and Integrative Medicine, University of Technology Sydney, Ultimo, NSW 2007, Australia
| | - Kamal Dua
- Faculty of Health, Australian Research Centre in Complementary and Integrative Medicine, University of Technology Sydney, Ultimo, NSW 2007, Australia; Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney, NSW 2007, Australia
| | - Gaurav Gupta
- School of Pharmacy, Suresh Gyan Vihar University, Mahal Road, Jagatpura, Jaipur, India; Department of Pharmacology, Saveetha Dental College, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, India; Uttaranchal Institute of Pharmaceutical Sciences, Uttaranchal University, Dehradun, India.
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19
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Weavil JC, Kwon OS, Hughen RW, Zhang J, Light AR, Amann M. Gene and protein expression of dorsal root ganglion sensory receptors in normotensive and hypertensive male rats. Am J Physiol Regul Integr Comp Physiol 2022; 323:R221-R226. [PMID: 35608265 PMCID: PMC9291411 DOI: 10.1152/ajpregu.00007.2022] [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] [Indexed: 01/25/2023]
Abstract
The exercise pressor reflex (EPR), a neurocirculatory control mechanism, is exaggerated in hypertensive humans and rats. Disease-related abnormalities within the afferent arm of the reflex loop, including mechano- and metabosensitive receptors located at the terminal end of group III/IV muscle afferents, may contribute to the dysfunctional EPR in hypertension. Using control (WKY) and spontaneous hypertensive (SHR) rats, we examined dorsal root ganglion (DRG) gene and protein expression of molecular receptors recognized as significant determinants of the EPR. Twelve lumbar DRGs (6-left, 6-right) were harvested from each of 10 WKY (arterial blood pressure (MAP): 96±9mmHg) and 10 SHR (MAP: 144±9mmHg). DRGs from the left side were used for protein expression (Western blotting; normalized to GAPDH), whereas right-side DRGs (i.e., parallel structure) were used to determine mRNA levels (RNA-sequencing, normalized to TPM). Analyses focused on metabosensitive (ASIC3, Bradykinin-receptor B2, EP4, P2X3, TRPv1) and mechanosensitive (Piezo1/2) receptors. While Piezo1 was similar in both groups (P=0.75), protein expression for all other receptors was significantly higher in SHR compared to WKY. With the exception of a greater Bradykinin-receptor B2 in SHR (P<0.05), mRNA expression of all other receptors was not different between groups (P>0.18). The higher protein content of these sensory receptors in SHR indirectly supports the previously proposed hypothesis that the exaggerated EPR in hypertension is, in part, due to disease-related abnormalities within the afferent arm of the reflex loop. The upregulated receptor content, combined with normal mRNA levels, insinuates that posttranscriptional regulation of sensory receptor protein expression might be impaired in hypertension.
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Affiliation(s)
- Joshua C Weavil
- Geriatric Research, Education, and Clinical Center, Salt Lake City VAMC, Salt Lake City, UT, United States.,Department of Internal Medicine, University of Utah, Salt Lake City, UT, United States
| | - Oh Sung Kwon
- Department of Internal Medicine, University of Utah, Salt Lake City, UT, United States.,Department of Kinesiology, University of Connecticut, Storrs, CT, United States
| | - Ronald W Hughen
- Department of Anesthesiology, University of Utah, Salt Lake City, UT, United States
| | - Jie Zhang
- Department of Anesthesiology, University of Utah, Salt Lake City, UT, United States
| | - Alan R Light
- Department of Anesthesiology, University of Utah, Salt Lake City, UT, United States
| | - Markus Amann
- Geriatric Research, Education, and Clinical Center, Salt Lake City VAMC, Salt Lake City, UT, United States.,Department of Internal Medicine, University of Utah, Salt Lake City, UT, United States.,Department of Anesthesiology, University of Utah, Salt Lake City, UT, United States
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20
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Han S, Guo X, Wang X, Lin H, Yu Y, Shu J, Dong M, Yang L. A Novel Homozygous Missense Mutation of PIEZO1 Leading to Lymphatic Malformation-6 Identified in a Family With Three Adverse Pregnancy Outcomes due to Nonimmune Fetal Hydrops. Front Genet 2022; 13:856046. [PMID: 35646098 PMCID: PMC9136293 DOI: 10.3389/fgene.2022.856046] [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: 01/16/2022] [Accepted: 03/28/2022] [Indexed: 11/13/2022] Open
Abstract
Lymphatic malformation-6 (LMPHM6) is a rarer form of nonimmune hydrops that often manifests as widespread lymphedema involving all segments of the body, namely, subcutaneous edema, intestinal/pulmonary lymphangiectasia, chylothoraces, and pleural/pericardial effusions. Here, we detected one rare and previously unobserved homozygous missense variant in PIEZO1 (c.5162C>G, p.Ser1721Trp) as a novel genetic cause of autosomal recessive LMPHM6, in a family with three adverse pregnancy outcomes due to nonimmune fetal hydrops. Although, the loss-of-function mutations such as those usually including nonsense, frameshift, splice site, and also fewer missense variants in PIEZO1 have been proved to lead to LMPHM6, among these, the biallelic homozygous mutations resulting in the loss of function of PIEZO1 have not been reported before. Here, we first strongly implicated impaired PIEZO1 function–associated LMPHM6 with a homozygous missense mutation in PIEZO1.
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Affiliation(s)
- Shuai Han
- Center for Reproductive Medicine, Department of Obstetrics, Zhejiang Provincial People’s Hospital (Affiliated People’s Hospital, Hangzhou Medical College), Hangzhou, China
| | - Xin Guo
- Center for Reproductive Medicine, Department of Obstetrics, Zhejiang Provincial People’s Hospital (Affiliated People’s Hospital, Hangzhou Medical College), Hangzhou, China
| | - Xiaogang Wang
- Cancer Center, Department of Hematology, Zhejiang Provincial People’s Hospital (Affiliated People’s Hospital, Hangzhou Medical College), Hangzhou, China
| | - Huijun Lin
- Center for Laboratory Medicine, Department of Clinical Laboratory, Zhejiang Provincial People’s Hospital (Affiliated People’s Hospital, Hangzhou Medical College), Hangzhou, China
| | - Yiqi Yu
- Center for Reproductive Medicine, Department of Reproductive Endocrinology, Zhejiang Provincial People’s Hospital (Affiliated People’s Hospital, Hangzhou Medical College), Hangzhou, China
| | - Jing Shu
- Center for Reproductive Medicine, Department of Reproductive Endocrinology, Zhejiang Provincial People’s Hospital (Affiliated People’s Hospital, Hangzhou Medical College), Hangzhou, China
| | - Minyue Dong
- Department of Reproductive Genetics, Women’s Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Liwei Yang
- Center for Reproductive Medicine, Department of Obstetrics, Zhejiang Provincial People’s Hospital (Affiliated People’s Hospital, Hangzhou Medical College), Hangzhou, China
- *Correspondence: Liwei Yang,
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21
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Chen J, Rodriguez M, Miao J, Liao J, Jain PP, Zhao M, Zhao T, Babicheva A, Wang Z, Parmisano S, Powers R, Matti M, Paquin C, Soroureddin Z, Shyy JYJ, Thistlethwaite PA, Makino A, Wang J, Yuan JXJ. Mechanosensitive channel Piezo1 is required for pulmonary artery smooth muscle cell proliferation. Am J Physiol Lung Cell Mol Physiol 2022; 322:L737-L760. [PMID: 35318857 PMCID: PMC9076422 DOI: 10.1152/ajplung.00447.2021] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Revised: 03/10/2022] [Accepted: 03/17/2022] [Indexed: 01/10/2023] Open
Abstract
Concentric pulmonary vascular wall thickening due partially to increased pulmonary artery (PA) smooth muscle cell (PASMC) proliferation contributes to elevating pulmonary vascular resistance (PVR) in patients with pulmonary hypertension (PH). Although pulmonary vasoconstriction may be an early contributor to increasing PVR, the transition of contractile PASMCs to proliferative PASMCs may play an important role in the development and progression of pulmonary vascular remodeling in PH. A rise in cytosolic Ca2+ concentration ([Ca2+]cyt) is a trigger for PASMC contraction and proliferation. Here, we report that upregulation of Piezo1, a mechanosensitive cation channel, is involved in the contractile-to-proliferative phenotypic transition of PASMCs and potential development of pulmonary vascular remodeling. By comparing freshly isolated PA (contractile PASMCs) and primary cultured PASMCs (from the same rat) in a growth medium (proliferative PASMCs), we found that Piezo1, Notch2/3, and CaSR protein levels were significantly higher in proliferative PASMCs than in contractile PASMCs. Upregulated Piezo1 was associated with an increase in expression of PCNA, a marker for cell proliferation, whereas downregulation (with siRNA) or inhibition (with GsMTx4) of Piezo1 attenuated PASMC proliferation. Furthermore, Piezo1 in the remodeled PA from rats with experimental PH was upregulated compared with PA from control rats. These data indicate that PASMC contractile-to-proliferative phenotypic transition is associated with the transition or adaptation of membrane channels and receptors. Upregulated Piezo1 may play a critical role in PASMC phenotypic transition and PASMC proliferation. Upregulation of Piezo1 in proliferative PASMCs may likely be required to provide sufficient Ca2+ to assure nuclear/cell division and PASMC proliferation, contributing to the development and progression of pulmonary vascular remodeling in PH.
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Affiliation(s)
- Jiyuan Chen
- Section of Physiology, Division of Pulmonary, Critical Care and Sleep Medicine, Department of Medicine, University of California, San Diego, La Jolla, California
- State Key Laboratory of Respiratory Disease and First Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Marisela Rodriguez
- Section of Physiology, Division of Pulmonary, Critical Care and Sleep Medicine, Department of Medicine, University of California, San Diego, La Jolla, California
| | - Jinrui Miao
- State Key Laboratory of Respiratory Disease and First Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Jing Liao
- State Key Laboratory of Respiratory Disease and First Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Pritesh P Jain
- Section of Physiology, Division of Pulmonary, Critical Care and Sleep Medicine, Department of Medicine, University of California, San Diego, La Jolla, California
| | - Manjia Zhao
- Section of Physiology, Division of Pulmonary, Critical Care and Sleep Medicine, Department of Medicine, University of California, San Diego, La Jolla, California
| | - Tengteng Zhao
- Section of Physiology, Division of Pulmonary, Critical Care and Sleep Medicine, Department of Medicine, University of California, San Diego, La Jolla, California
| | - Aleksandra Babicheva
- Section of Physiology, Division of Pulmonary, Critical Care and Sleep Medicine, Department of Medicine, University of California, San Diego, La Jolla, California
| | - Ziyi Wang
- Section of Physiology, Division of Pulmonary, Critical Care and Sleep Medicine, Department of Medicine, University of California, San Diego, La Jolla, California
- State Key Laboratory of Respiratory Disease and First Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Sophia Parmisano
- Section of Physiology, Division of Pulmonary, Critical Care and Sleep Medicine, Department of Medicine, University of California, San Diego, La Jolla, California
| | - Ryan Powers
- Section of Physiology, Division of Pulmonary, Critical Care and Sleep Medicine, Department of Medicine, University of California, San Diego, La Jolla, California
| | - Moreen Matti
- Section of Physiology, Division of Pulmonary, Critical Care and Sleep Medicine, Department of Medicine, University of California, San Diego, La Jolla, California
| | - Cole Paquin
- Section of Physiology, Division of Pulmonary, Critical Care and Sleep Medicine, Department of Medicine, University of California, San Diego, La Jolla, California
| | - Zahra Soroureddin
- Section of Physiology, Division of Pulmonary, Critical Care and Sleep Medicine, Department of Medicine, University of California, San Diego, La Jolla, California
| | - John Y-J Shyy
- Division of Cardiovascular Medicine, Department of Medicine, University of California, San Diego, La Jolla, California
| | - Patricia A Thistlethwaite
- Division of Cardiothoracic Surgery, Department of Surgery, University of California, San Diego, La Jolla, California
| | - Ayako Makino
- Division of Endocrinology and Metabolism, Department of Medicine, University of California, San Diego, La Jolla, California
| | - Jian Wang
- Section of Physiology, Division of Pulmonary, Critical Care and Sleep Medicine, Department of Medicine, University of California, San Diego, La Jolla, California
- State Key Laboratory of Respiratory Disease and First Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Jason X-J Yuan
- Section of Physiology, Division of Pulmonary, Critical Care and Sleep Medicine, Department of Medicine, University of California, San Diego, La Jolla, California
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22
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Miles L, Powell J, Kozak C, Song Y. Mechanosensitive Ion Channels, Axonal Growth, and Regeneration. Neuroscientist 2022:10738584221088575. [PMID: 35414308 PMCID: PMC9556659 DOI: 10.1177/10738584221088575] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Cells sense and respond to mechanical stimuli by converting those stimuli into biological signals, a process known as mechanotransduction. Mechanotransduction is essential in diverse cellular functions, including tissue development, touch sensitivity, pain, and neuronal pathfinding. In the search for key players of mechanotransduction, several families of ion channels were identified as being mechanosensitive and were demonstrated to be activated directly by mechanical forces in both the membrane bilayer and the cytoskeleton. More recently, Piezo ion channels were discovered as a bona fide mechanosensitive ion channel, and its characterization led to a cascade of research that revealed the diverse functions of Piezo proteins and, in particular, their involvement in neuronal repair.
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Affiliation(s)
- Leann Miles
- The Graduate Group in Biochemistry and Molecular Biophysics, University of Pennsylvania, Philadelphia, PA, USA
| | - Jackson Powell
- Raymond G. Perelman Center for Cellular and Molecular Therapeutics, The Children's Hospital of Philadelphia, Philadelphia, PA, USA
| | - Casey Kozak
- Raymond G. Perelman Center for Cellular and Molecular Therapeutics, The Children's Hospital of Philadelphia, Philadelphia, PA, USA
| | - Yuanquan Song
- The Graduate Group in Biochemistry and Molecular Biophysics, University of Pennsylvania, Philadelphia, PA, USA.,Raymond G. Perelman Center for Cellular and Molecular Therapeutics, The Children's Hospital of Philadelphia, Philadelphia, PA, USA.,Department of Pathology and Laboratory Medicine, University of Pennsylvania, Philadelphia, PA, USA
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23
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Miron TR, Flood ED, Tykocki NR, Thompson JM, Watts SW. Identification of Piezo1 channels in perivascular adipose tissue (PVAT) and their potential role in vascular function. Pharmacol Res 2022; 175:105995. [PMID: 34818570 PMCID: PMC9301055 DOI: 10.1016/j.phrs.2021.105995] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Revised: 11/18/2021] [Accepted: 11/18/2021] [Indexed: 01/04/2023]
Abstract
The vasculature constantly experiences distension/pressure exerted by blood flow and responds to maintain homeostasis. We hypothesized that activation of the stretch sensitive, non-selective cation channel Piezo1 would directly increase vascular contraction in a way that might be modified by perivascular adipose tissue (PVAT). The presence and function of Piezo1 was investigated by RT-PCR, immunohistochemistry, and isolated tissue bath contractility. Superior and mesenteric resistance arteries, aortae, and their PVATs from male Sprague Dawley rats were used. Piezo1 mRNA was detected in aortic vessels, aortic PVAT, mesenteric vessels, and mesenteric PVAT. Both adipocytes and stromal vascular fraction of mesenteric PVAT expressed Piezo1 mRNA. In PVAT, expression of Piezo1 mRNA was greater in magnitude than that of Piezo2, transient receptor potential cation channel, subfamily V, member 4 (TRPV4), anoctamin 1, calcium activated chloride channel (TMEM16), and Pannexin1 (Panx1). Piezo1 protein was present in endothelium and PVAT of rat aortic and in PVAT of mesenteric artery. The Piezo1 agonists Yoda1 and Jedi2 (1 nM - 10 µM) did not stimulate aortic contraction [max < 10% phenylephrine (PE) 10 µM contraction] or relaxation in tissues + or -PVAT. Depolarizing the aorta by modestly elevated extracellular K+ did not unmask aortic contraction to Yoda1 (max <10% PE 10 µM contraction). Finally, the Piezo1 antagonist Dooku1 did not modify PE-induced aorta contraction + or -PVAT. Surprisingly, Dooku1 directly caused aortic contraction in the absence (Dooku1 =26 ± 11; Vehicle = 11 ± 11%PE contraction) but not in the presence of PVAT (Dooku1 = 2 ± 1; Vehicle = 8 ± 5% PE contraction). Thus, Piezo1 is present and functional in the isolated rat aorta but does not serve direct vascular contraction with or without PVAT. We reaffirmed the isolated mouse aorta relaxation to Yoda1, indicating a species difference in Piezo1 activity between mouse and rat.
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Affiliation(s)
- Taylor R Miron
- Department of Pharmacology and Toxicology, Michigan State University, East Lansing, MI 48824, USA
| | - Emma D Flood
- Department of Pharmacology and Toxicology, Michigan State University, East Lansing, MI 48824, USA
| | - Nathan R Tykocki
- Department of Pharmacology and Toxicology, Michigan State University, East Lansing, MI 48824, USA
| | - Janice M Thompson
- Department of Pharmacology and Toxicology, Michigan State University, East Lansing, MI 48824, USA
| | - Stephanie W Watts
- Department of Pharmacology and Toxicology, Michigan State University, East Lansing, MI 48824, USA.
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24
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Wang Z, Chen J, Babicheva A, Jain PP, Rodriguez M, Ayon RJ, Ravellette KS, Wu L, Balistrieri F, Tang H, Wu X, Zhao T, Black SM, Desai AA, Garcia JGN, Sun X, Shyy JYJ, Valdez-Jasso D, Thistlethwaite PA, Makino A, Wang J, Yuan JXJ. Endothelial upregulation of mechanosensitive channel Piezo1 in pulmonary hypertension. Am J Physiol Cell Physiol 2021; 321:C1010-C1027. [PMID: 34669509 PMCID: PMC8714987 DOI: 10.1152/ajpcell.00147.2021] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2021] [Revised: 09/22/2021] [Accepted: 10/12/2021] [Indexed: 12/16/2022]
Abstract
Piezo is a mechanosensitive cation channel responsible for stretch-mediated Ca2+ and Na+ influx in multiple types of cells. Little is known about the functional role of Piezo1 in the lung vasculature and its potential pathogenic role in pulmonary arterial hypertension (PAH). Pulmonary arterial endothelial cells (PAECs) are constantly under mechanic stretch and shear stress that are sufficient to activate Piezo channels. Here, we report that Piezo1 is significantly upregulated in PAECs from patients with idiopathic PAH and animals with experimental pulmonary hypertension (PH) compared with normal controls. Membrane stretch by decreasing extracellular osmotic pressure or by cyclic stretch (18% CS) increases Ca2+-dependent phosphorylation (p) of AKT and ERK, and subsequently upregulates expression of Notch ligands, Jagged1/2 (Jag-1 and Jag-2), and Delta like-4 (DLL4) in PAECs. siRNA-mediated downregulation of Piezo1 significantly inhibited the stretch-mediated pAKT increase and Jag-1 upregulation, whereas downregulation of AKT by siRNA markedly attenuated the stretch-mediated Jag-1 upregulation in human PAECs. Furthermore, the mRNA and protein expression level of Piezo1 in the isolated pulmonary artery, which mainly contains pulmonary arterial smooth muscle cells (PASMCs), from animals with severe PH was also significantly higher than that from control animals. Intraperitoneal injection of a Piezo1 channel blocker, GsMTx4, ameliorated experimental PH in mice. Taken together, our study suggests that membrane stretch-mediated Ca2+ influx through Piezo1 is an important trigger for pAKT-mediated upregulation of Jag-1 in PAECs. Upregulation of the mechanosensitive channel Piezo1 and the resultant increase in the Notch ligands (Jag-1/2 and DLL4) in PAECs may play a critical pathogenic role in the development of pulmonary vascular remodeling in PAH and PH.
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Affiliation(s)
- Ziyi Wang
- Section of Physiology, Division of Pulmonary, Critical Care and Sleep Medicine, University of California, San Diego, La Jolla, California
- Departments of Medicine and Physiology, The University of Arizona College of Medicine, Tucson, Arizona
- State Key Laboratory of Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Jiyuan Chen
- Section of Physiology, Division of Pulmonary, Critical Care and Sleep Medicine, University of California, San Diego, La Jolla, California
- State Key Laboratory of Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Aleksandra Babicheva
- Section of Physiology, Division of Pulmonary, Critical Care and Sleep Medicine, University of California, San Diego, La Jolla, California
| | - Pritesh P Jain
- Section of Physiology, Division of Pulmonary, Critical Care and Sleep Medicine, University of California, San Diego, La Jolla, California
| | - Marisela Rodriguez
- Section of Physiology, Division of Pulmonary, Critical Care and Sleep Medicine, University of California, San Diego, La Jolla, California
- Departments of Medicine and Physiology, The University of Arizona College of Medicine, Tucson, Arizona
| | - Ramon J Ayon
- Departments of Medicine and Physiology, The University of Arizona College of Medicine, Tucson, Arizona
| | - Keeley S Ravellette
- Departments of Medicine and Physiology, The University of Arizona College of Medicine, Tucson, Arizona
| | - Linda Wu
- Departments of Medicine and Physiology, The University of Arizona College of Medicine, Tucson, Arizona
| | - Francesca Balistrieri
- Section of Physiology, Division of Pulmonary, Critical Care and Sleep Medicine, University of California, San Diego, La Jolla, California
| | - Haiyang Tang
- Departments of Medicine and Physiology, The University of Arizona College of Medicine, Tucson, Arizona
- State Key Laboratory of Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Xiaomin Wu
- Departments of Medicine and Physiology, The University of Arizona College of Medicine, Tucson, Arizona
| | - Tengteng Zhao
- Section of Physiology, Division of Pulmonary, Critical Care and Sleep Medicine, University of California, San Diego, La Jolla, California
| | - Stephen M Black
- Departments of Medicine and Physiology, The University of Arizona College of Medicine, Tucson, Arizona
| | - Ankit A Desai
- Departments of Medicine and Physiology, The University of Arizona College of Medicine, Tucson, Arizona
- Department of Medicine, Indiana University, Indianapolis, Indiana
| | - Joe G N Garcia
- Departments of Medicine and Physiology, The University of Arizona College of Medicine, Tucson, Arizona
| | - Xin Sun
- Department of Pediatrics, University of California, San Diego, La Jolla, California
| | - John Y-J Shyy
- Division of Cardiovascular Medicine, Department of Medicine, University of California, San Diego, La Jolla, California
| | - Daniela Valdez-Jasso
- Department of Bioengineering, University of California, San Diego, La Jolla, California
| | | | - Ayako Makino
- Division of Endocrinology and Metabolism, University of California, San Diego, La Jolla, California
- Departments of Medicine and Physiology, The University of Arizona College of Medicine, Tucson, Arizona
| | - Jian Wang
- Section of Physiology, Division of Pulmonary, Critical Care and Sleep Medicine, University of California, San Diego, La Jolla, California
- State Key Laboratory of Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Jason X-J Yuan
- Section of Physiology, Division of Pulmonary, Critical Care and Sleep Medicine, University of California, San Diego, La Jolla, California
- Departments of Medicine and Physiology, The University of Arizona College of Medicine, Tucson, Arizona
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25
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Shihan M, Novoyatleva T, Lehmeyer T, Sydykov A, Schermuly RT. Role of the Purinergic P2Y2 Receptor in Pulmonary Hypertension. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph182111009. [PMID: 34769531 PMCID: PMC8582672 DOI: 10.3390/ijerph182111009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Revised: 10/13/2021] [Accepted: 10/15/2021] [Indexed: 11/29/2022]
Abstract
Pulmonary arterial hypertension (PAH), group 1 pulmonary hypertension (PH), is a fatal disease that is characterized by vasoconstriction, increased pressure in the pulmonary arteries, and right heart failure. PAH can be described by abnormal vascular remodeling, hyperproliferation in the vasculature, endothelial cell dysfunction, and vascular tone dysregulation. The disease pathomechanisms, however, are as yet not fully understood at the molecular level. Purinergic receptors P2Y within the G-protein-coupled receptor family play a major role in fluid shear stress transduction, proliferation, migration, and vascular tone regulation in systemic circulation, but less is known about their contribution in PAH. Hence, studies that focus on purinergic signaling are of great importance for the identification of new therapeutic targets in PAH. Interestingly, the role of P2Y2 receptors has not yet been sufficiently studied in PAH, whereas the relevance of other P2Ys as drug targets for PAH was shown using specific agonists or antagonists. In this review, we will shed light on P2Y receptors and focus more on the P2Y2 receptor as a potential novel player in PAH and as a new therapeutic target for disease management.
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26
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Shinge SAU, Zhang D, Achu Muluh T, Nie Y, Yu F. Mechanosensitive Piezo1 Channel Evoked-Mechanical Signals in Atherosclerosis. J Inflamm Res 2021; 14:3621-3636. [PMID: 34349540 PMCID: PMC8328000 DOI: 10.2147/jir.s319789] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2021] [Accepted: 07/03/2021] [Indexed: 12/18/2022] Open
Abstract
Recently, more and more works have focused and used extensive resources on atherosclerosis research, which is one of the major causes of death globally. Alongside traditional risk factors, such as hyperlipidemia, smoking, hypertension, obesity, and diabetes, mechanical forces, including shear stress, pressure and stretches exerted on endothelial cells by flow, is proved to be crucial in atherosclerosis development. Studies have recognized the mechanosensitive Piezo1 channel as a special sensor and transducer of various mechanical forces into biochemical signals, and recent studies report its role in atherosclerosis through different mechanical forces in pressure, stretching and turbulent shear stress. Based on our expertise in this field and considering the recent advancement of atherosclerosis research, we will be focusing on the function of Piezo1 and its involvement in various cellular mechanisms and consequent involvement in the development of atherosclerosis in this review. Also, we will discuss various functions of Piezo1 involvement in atherosclerosis and come up with new mechanistic insight for future research. Based on the recent findings, we suggest Piezo1 as a valid candidate for novel therapeutic innovations, in which deep exploration and translating its findings into the clinic will be a new therapeutic strategy for cardiovascular diseases, particularly atherosclerosis.
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Affiliation(s)
- Shafiu A Umar Shinge
- Cardiovascular Surgery Department, Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, People’s Republic of China
| | - Daifang Zhang
- Cardiovascular Surgery Department, Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, People’s Republic of China
- Clinical Research Center, Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, People’s Republic of China
| | - Tobias Achu Muluh
- Oncology Department, Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, People’s Republic of China
| | - Yongmei Nie
- Cardiovascular Surgery Department, Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, People’s Republic of China
- Collaborative Innovation Center for Prevention and Treatment of Cardiovascular Disease of Sichuan Province, Southwest Medical University, Luzhou, Sichuan, People’s Republic of China
| | - Fengxu Yu
- Cardiovascular Surgery Department, Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, People’s Republic of China
- Collaborative Innovation Center for Prevention and Treatment of Cardiovascular Disease of Sichuan Province, Southwest Medical University, Luzhou, Sichuan, People’s Republic of China
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27
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Abstract
Nearly all structures in our body experience mechanical forces. At a molecular scale, these forces are detected by ion channels that function as mechanotransducers converting physical forces into electrochemical responses. Here we focus on PIEZOs, a family of mechanically activated ion channels comprising PIEZO1 and PIEZO2. The significance of these channels is highlighted by their roles in touch and pain sensation as well as in cardiovascular and respiratory physiology, among others. Moreover, mutations in PIEZOs cause somatosensory, proprioceptive, and blood disorders. The goal here is to present the diverse physiology and pathophysiology of these unique channels, discuss ongoing research and critical gaps in the field, and explore the pharmaceutical interest in targeting PIEZOs for therapeutic development.
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Affiliation(s)
- Ruhma Syeda
- Department of Neuroscience, University of Texas Southwestern Medical Center, Dallas, Texas 75235, USA;
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28
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Mechanosensation and Mechanotransduction by Lymphatic Endothelial Cells Act as Important Regulators of Lymphatic Development and Function. Int J Mol Sci 2021; 22:ijms22083955. [PMID: 33921229 PMCID: PMC8070425 DOI: 10.3390/ijms22083955] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2021] [Revised: 04/02/2021] [Accepted: 04/06/2021] [Indexed: 12/13/2022] Open
Abstract
Our understanding of the function and development of the lymphatic system is expanding rapidly due to the identification of specific molecular markers and the availability of novel genetic approaches. In connection, it has been demonstrated that mechanical forces contribute to the endothelial cell fate commitment and play a critical role in influencing lymphatic endothelial cell shape and alignment by promoting sprouting, development, maturation of the lymphatic network, and coordinating lymphatic valve morphogenesis and the stabilization of lymphatic valves. However, the mechanosignaling and mechanotransduction pathways involved in these processes are poorly understood. Here, we provide an overview of the impact of mechanical forces on lymphatics and summarize the current understanding of the molecular mechanisms involved in the mechanosensation and mechanotransduction by lymphatic endothelial cells. We also discuss how these mechanosensitive pathways affect endothelial cell fate and regulate lymphatic development and function. A better understanding of these mechanisms may provide a deeper insight into the pathophysiology of various diseases associated with impaired lymphatic function, such as lymphedema and may eventually lead to the discovery of novel therapeutic targets for these conditions.
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Liu L, Zhang Q, Xiao S, Sun Z, Ding S, Chen Y, Wang L, Yin X, Liao F, Jiang LH, Xue M, You Y. Inhibition of Shear-Induced Platelet Aggregation by Xueshuantong via Targeting Piezo1 Channel-Mediated Ca 2+ Signaling Pathway. Front Pharmacol 2021; 12:606245. [PMID: 33841141 PMCID: PMC8025832 DOI: 10.3389/fphar.2021.606245] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Accepted: 02/08/2021] [Indexed: 12/12/2022] Open
Abstract
XueShuanTong (XST) comprising therapeutically active ginsenosides, a lyophilized extract of Panax notoginseng roots, is extensively used in traditional Chinese medicine to treat ischemic heart and cerebrovascular diseases. Our recent study shows that treatment with XST inhibits shear-induced thrombosis formation but the underlying mechanism remained unclear. This study aimed to investigate the hypothesis that XST inhibited shear-induced platelet aggregation via targeting the mechanosensitive Ca2+-permeable Piezo1 channel by performing platelet aggregation assay, Ca2+ imaging and Western blotting analysis. Exposure to shear at physiologically (1,000–2000 s−1) and pathologically related rates (4,000–6,000 s−1) induced platelet aggregation that was inhibited by treatment with GsMTx-4. Exposure to shear evoked robust Ca2+ responses in platelets that were inhibited by treatment with GsMTx-4 and conversely enhanced by treatment with Yoda1. Treatment with XST at a clinically relevant concentration (0.15 g L−1) potently inhibited shear-induced Ca2+ responses and platelet aggregation, without altering vWF-mediated platelet adhesion and rolling. Exposure to shear, while resulting in no effect on the calpain-2 expression in platelets, induced calpain-2-mediated cleavage of talin1 protein, which is known to be critical for platelet activation. Shear-induced activation of calpain-2 and cleavage of talin1 were attenuated by treatment with XST. Taken together, our results suggest that XST inhibits shear-induced platelet aggregation via targeting the Piezo1 channel to prevent Piezo1-mediated Ca2+ signaling and downstream calpain-2 and talin1 signal pathway, thus providing novel insights into the mechanism of the therapeutic action of XST on platelet aggregation and thrombosis formation.
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Affiliation(s)
- Lei Liu
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China
| | - Qiongling Zhang
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China
| | - Shunli Xiao
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China
| | - Zhengxiao Sun
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China
| | - Shilan Ding
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China
| | - Ying Chen
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China
| | - Lan Wang
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China
| | - Xiaojie Yin
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China
| | - Fulong Liao
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China
| | - Lin-Hua Jiang
- Sino-UK Joint Laboratory of Brain Function and Injury, Xinxiang Medical University, Xinxiang, China.,School of Biomedical Sciences, Faculty of Biological Sciences, University of Leeds, Leeds, United Kingdom
| | - Mei Xue
- XiYuan Hosipital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Yun You
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China
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Jiang Y, Song J, Xu Y, Liu C, Qian W, Bai T, Hou X. Piezo1 regulates intestinal epithelial function by affecting the tight junction protein claudin-1 via the ROCK pathway. Life Sci 2021; 275:119254. [PMID: 33636174 DOI: 10.1016/j.lfs.2021.119254] [Citation(s) in RCA: 53] [Impact Index Per Article: 17.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2020] [Revised: 02/15/2021] [Accepted: 02/16/2021] [Indexed: 02/08/2023]
Abstract
AIMS Defective tight junctions (TJs) can induce intestinal epithelial dysfunction, which participates in various diseases such as irritable bowel syndrome. However, the mechanisms of TJ defects remain unclear. Our study revealed the role of Piezo1 in regulating intestinal epithelial function and TJs. MATERIALS AND METHODS The human colonic adenocarcinoma cell line Caco-2 were cultured on Transwell plate to form an epithelial barrier in vitro, and Piezo1 expression was manipulated using a lentivirus vector. Epithelial function was evaluated by measuring transepithelial electronic resistance (TEER) and 4-kDa FITC-dextran (FD4) transmission. TJ proteins (claudin-1, occludin, ZO-1) were evaluated by RT-PCR, western blot, and immunostaining analysis. Potential signal pathways, including the ROCK and Erk pathways, were detected. Moreover, to explore the regulatory effect of Piezo1 activity on epithelial function, inhibitors (ruthenium red, GsMTx4) and an agonist (Yoda1) were introduced both ex vivo and in vitro. KEY FINDINGS Alteration of Piezo1 expression altered epithelial function and the expression of the tight junction protein claudin-1. Piezo1 expression regulated phosphorylated ROCK1/2 expression, whereas interference on ROCK1/2 prevented the regulation of claudin-1 by Piezo1. In both Caco-2 monolayer and mouse colon epithelium, Piezo1 activity directly modulated epithelial function and permeability. SIGNIFICANCE Piezo1 negatively regulates epithelial barrier function by affecting the expression of claudin-1. Such regulation may be achieved partially via the ROCK1/2 pathway. Moreover, activating Piezo1 can induce epithelial dysfunction.
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Affiliation(s)
- Yudong Jiang
- Division of Gastroenterology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan, Hubei Province 430022, China.
| | - Jun Song
- Division of Gastroenterology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan, Hubei Province 430022, China
| | - Yan Xu
- Division of Gastroenterology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan, Hubei Province 430022, China
| | - Caiyuan Liu
- Division of Gastroenterology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan, Hubei Province 430022, China
| | - Wei Qian
- Division of Gastroenterology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan, Hubei Province 430022, China
| | - Tao Bai
- Division of Gastroenterology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan, Hubei Province 430022, China.
| | - Xiaohua Hou
- Division of Gastroenterology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan, Hubei Province 430022, China.
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Genome-wide analysis suggests the importance of vascular processes and neuroinflammation in late-life antidepressant response. Transl Psychiatry 2021; 11:127. [PMID: 33589590 PMCID: PMC7884410 DOI: 10.1038/s41398-021-01248-3] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/18/2020] [Revised: 12/15/2020] [Accepted: 01/07/2021] [Indexed: 01/31/2023] Open
Abstract
Antidepressant outcomes in older adults with depression is poor, possibly because of comorbidities such as cerebrovascular disease. Therefore, we leveraged multiple genome-wide approaches to understand the genetic architecture of antidepressant response. Our sample included 307 older adults (≥60 years) with current major depression, treated with venlafaxine extended-release for 12 weeks. A standard genome-wide association study (GWAS) was conducted for post-treatment remission status, followed by in silico biological characterization of associated genes, as well as polygenic risk scoring for depression, neurodegenerative and cerebrovascular disease. The top-associated variants for remission status and percentage symptom improvement were PIEZO1 rs12597726 (OR = 0.33 [0.21, 0.51], p = 1.42 × 10-6) and intergenic rs6916777 (Beta = 14.03 [8.47, 19.59], p = 1.25 × 10-6), respectively. Pathway analysis revealed significant contributions from genes involved in the ubiquitin-proteasome system, which regulates intracellular protein degradation with has implications for inflammation, as well as atherosclerotic cardiovascular disease (n = 25 of 190 genes, p = 8.03 × 10-6, FDR-corrected p = 0.01). Given the polygenicity of complex outcomes such as antidepressant response, we also explored 11 polygenic risk scores associated with risk for Alzheimer's disease and stroke. Of the 11 scores, risk for cardioembolic stroke was the second-best predictor of non-remission, after being male (Accuracy = 0.70 [0.59, 0.79], Sensitivity = 0.72, Specificity = 0.67; p = 2.45 × 10-4). Although our findings did not reach genome-wide significance, they point to previously-implicated mechanisms and provide support for the roles of vascular and inflammatory pathways in LLD. Overall, significant enrichment of genes involved in protein degradation pathways that may be impaired, as well as the predictive capacity of risk for cardioembolic stroke, support a link between late-life depression remission and risk for vascular dysfunction.
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32
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The prognostic value of Piezo1 in breast cancer patients with various clinicopathological features. Anticancer Drugs 2021; 32:448-455. [PMID: 33559992 DOI: 10.1097/cad.0000000000001049] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
The effects of piezo-type mechanosensitive ion channel component 1 (Piezo1) in sensing extracellular mechanical stress have been well investigated. Recently, Piezo1's vital role in cancerogenesis has been demonstrated by many studies. Nonetheless, the prognostic value of Piezo1 in cancer still remains unexplored and unclear. This article aims to investigate the prognostic value of Piezo1 in breast cancer. Human Protein Atlas and the Cancer Genome Atlas (TCGA) databases were used to examine Piezo1 expression in different human tissues and human cell lines. The discrepancies of Piezo1 mRNA expression in breast cancer patients with different clinicopathological features were assessed using bc-GenExMiner. The prognostic value of Piezo1 in breast cancer patients was evaluated using Kaplan-Meier plotter. Piezo1 mRNA was extensively expressed in human tissues and cell lines, particularly in breast and cancerous breast cancer cell line MCF7. High Piezo1 expression was found correlated with poor prognosis of breast cancer. Survival analysis further confirmed unfavorable prognosis of high Piezo1 expression in breast cancer patients with lymph node positive, estrogen receptor positive, Grade 2 (Scarff-Bloom-Richardson grading system), luminal A, and human epidermal growth factor receptor 2 overexpression, respectively. This study suggested that Piezo1 can serve as a prognostic indicator of breast cancer.
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33
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A New Hope in Spinal Degenerative Diseases: Piezo1. BIOMED RESEARCH INTERNATIONAL 2021; 2021:6645193. [PMID: 33575334 PMCID: PMC7857891 DOI: 10.1155/2021/6645193] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/26/2020] [Accepted: 01/09/2021] [Indexed: 12/19/2022]
Abstract
As a newly discovered mechanosensitive ion channel protein, the piezo1 protein participates in the transmission of mechanical signals on the cell membrane and plays a vital role in mammalian biomechanics. Piezo1 has attracted widespread attention since it was discovered in 2010. In recent years, studies on piezo1 have gradually increased and deepened. In addition to the discovery that piezo1 is expressed in the respiratory, cardiovascular, gastrointestinal, and urinary systems, it is also stably expressed in cells such as mesenchymal stem cells (MSCs), osteoblasts, osteoclasts, chondrocytes, and nucleus pulposus cells that constitute vertebral bodies and intervertebral discs. They can all receive external mechanical stimulation through the piezo1 protein channel to affect cell proliferation, differentiation, migration, and apoptosis to promote the occurrence and development of lumbar degenerative diseases. Through reviewing the relevant literature of piezo1 in the abovementioned cells, this paper discusses the effect of piezo1 protein expression under mechanical stress stimuli on spinal degenerative disease, providing the molecular basis for the pathological mechanism of spinal degenerative disease and also a new basis, ideas, and methods for the prevention and treatment of this degenerative disease.
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34
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Nosyreva ED, Thompson D, Syeda R. Identification and functional characterization of the Piezo1 channel pore domain. J Biol Chem 2021; 296:100225. [PMID: 33361157 PMCID: PMC7948955 DOI: 10.1074/jbc.ra120.015905] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2020] [Revised: 12/16/2020] [Accepted: 12/22/2020] [Indexed: 12/22/2022] Open
Abstract
Mechanotransduction is the process by which cells convert physical forces into electrochemical responses. On a molecular scale, these forces are detected by mechanically activated ion channels, which constitute the basis for hearing, touch, pain, cold, and heat sensation, among other physiological processes. Exciting high-resolution structural details of these channels are currently emerging that will eventually allow us to delineate the molecular determinants of gating and ion permeation. However, our structural-functional understanding across the family remains limited. Piezo1 is one of the largest and least understood of these channels, with various structurally identified features within its trimeric assembly. This study seeks to determine the modularity and function of Piezo1 channels by constructing deletion proteins guided by cryo EM structural knowledge. Our comprehensive functional study identified, for the first time, the minimal amino acid sequence of the full-length Piezo1 that can fold and function as the channel's pore domain between E2172 and the last residue E2547. While the addition of an anchor region has no effect on permeation properties. The Piezo1 pore domain is not pressure-sensitive and the appending of Piezo Repeat-A did not restore pressure-dependent gating, hence the sensing module must exist between residues 1 to 1952. Our efforts delineating the permeation and gating regions within this complex ion channel have implications in identifying small molecules that exclusively regulate the activity of the channel's pore module to influence mechanotransduction and downstream processes.
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Affiliation(s)
- Elena D Nosyreva
- Department of Neuroscience, University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | - David Thompson
- Department of Neuroscience, University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | - Ruhma Syeda
- Department of Neuroscience, University of Texas Southwestern Medical Center, Dallas, Texas, USA.
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35
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Goodwin K, Nelson CM. Mechanics of Development. Dev Cell 2020; 56:240-250. [PMID: 33321105 DOI: 10.1016/j.devcel.2020.11.025] [Citation(s) in RCA: 52] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2020] [Revised: 10/07/2020] [Accepted: 11/24/2020] [Indexed: 01/06/2023]
Abstract
Mechanical forces are integral to development-from the earliest stages of embryogenesis to the construction and differentiation of complex organs. Advances in imaging and biophysical tools have allowed us to delve into the developmental mechanobiology of increasingly complex organs and organisms. Here, we focus on recent work that highlights the diversity and importance of mechanical influences during morphogenesis. Developing tissues experience intrinsic mechanical signals from active forces and changes to tissue mechanical properties as well as extrinsic mechanical signals, including constraint and compression, pressure, and shear forces. Finally, we suggest promising avenues for future work in this rapidly expanding field.
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Affiliation(s)
- Katharine Goodwin
- Lewis-Sigler Institute for Integrative Genomics, Princeton University, Princeton, NJ 08544, USA
| | - Celeste M Nelson
- Department of Chemical and Biological Engineering, Princeton University, Princeton, NJ 08544, USA; Department of Molecular Biology, Princeton University, Princeton, NJ 08544, USA.
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36
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Heck AM, Ishida T, Hadland B. Location, Location, Location: How Vascular Specialization Influences Hematopoietic Fates During Development. Front Cell Dev Biol 2020; 8:602617. [PMID: 33282876 PMCID: PMC7691428 DOI: 10.3389/fcell.2020.602617] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2020] [Accepted: 09/30/2020] [Indexed: 01/22/2023] Open
Abstract
During embryonic development, sequential waves of hematopoiesis give rise to blood-forming cells with diverse lineage potentials and self-renewal properties. This process must accomplish two important yet divergent goals: the rapid generation of differentiated blood cells to meet the needs of the developing embryo and the production of a reservoir of hematopoietic stem cells to provide for life-long hematopoiesis in the adult. Vascular beds in distinct anatomical sites of extraembryonic tissues and the embryo proper provide the necessary conditions to support these divergent objectives, suggesting a critical role for specialized vascular niche cells in regulating disparate blood cell fates during development. In this review, we will examine the current understanding of how organ- and stage-specific vascular niche specialization contributes to the development of the hematopoietic system.
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Affiliation(s)
- Adam M. Heck
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA, United States
| | - Takashi Ishida
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA, United States
| | - Brandon Hadland
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA, United States
- Department of Pediatrics, University of Washington School of Medicine, Seattle, WA, United States
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37
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Lai A, Chen YC, Cox CD, Jaworowski A, Peter K, Baratchi S. Analyzing the shear-induced sensitization of mechanosensitive ion channel Piezo-1 in human aortic endothelial cells. J Cell Physiol 2020; 236:2976-2987. [PMID: 32959903 DOI: 10.1002/jcp.30056] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2020] [Revised: 08/21/2020] [Accepted: 09/07/2020] [Indexed: 01/10/2023]
Abstract
Mechanosensitive ion channels mediate endothelial responses to blood flow and orchestrate their physiological function in response to hemodynamic forces. In this study, we utilized microfluidic technologies to study the shear-induced sensitization of endothelial Piezo-1 to its selective agonist, Yoda-1. We demonstrated that shear stress-induced sensitization is brief and can be impaired when exposing aortic endothelial cells to low and proatherogenic levels of shear stress. Our results suggest that shear stress-induced sensitization of Piezo-1 to Yoda-1 is independent of cell-cell adhesion and is mediated by the PI3K-AKT signaling pathway. We also found that shear stress increases the membrane density of Piezo-1 channels in endothelial cells. To further confirm our findings, we performed experiments using a carotid artery ligation mouse model and demonstrated that transient changes in blood-flow pattern, resulting from a high-degree ligation of the mouse carotid artery alters the distribution of Piezo-1 channels across the endothelial layer. These results suggest that shear stress influences the function of Piezo-1 channels via changes in membrane density, providing a new model of shear-stress sensitivity for Piezo-1 ion channel.
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Affiliation(s)
- Austin Lai
- School of Health and Biomedical Sciences, RMIT University, Melbourne, Victoria, Australia
| | - Yung C Chen
- School of Health and Biomedical Sciences, RMIT University, Melbourne, Victoria, Australia.,Baker Heart and Diabetes Institute, Melbourne, Victoria, Australia
| | - Charles D Cox
- Division of Molecular Cardiology and Biophysics, Victor Chang Cardiac Research Institute, Sydney, New South Wales, Australia
| | - Anthony Jaworowski
- School of Health and Biomedical Sciences, RMIT University, Melbourne, Victoria, Australia
| | - Karlheinz Peter
- School of Health and Biomedical Sciences, RMIT University, Melbourne, Victoria, Australia.,Baker Heart and Diabetes Institute, Melbourne, Victoria, Australia
| | - Sara Baratchi
- School of Health and Biomedical Sciences, RMIT University, Melbourne, Victoria, Australia.,Baker Heart and Diabetes Institute, Melbourne, Victoria, Australia
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Zhang M, Ding X, Zhang Q, Liu J, Zhang Y, Zhang Y, Tian Z, Li W, Zhu W, Kang H, Wang Z, Wu X, Wang C, Yang X, Wang K. Exome sequencing of 112 trios identifies recessive genetic variants in brain arteriovenous malformations. J Neurointerv Surg 2020; 13:568-573. [PMID: 32848021 DOI: 10.1136/neurintsurg-2020-016469] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2020] [Revised: 08/03/2020] [Accepted: 08/05/2020] [Indexed: 02/02/2023]
Abstract
BACKGROUND Brain arteriovenous malformation (BAVM) is a main cause of cerebral hemorrhage and hemorrhagic stroke in adolescents. Morphologically, a BAVM is an abnormal connection between cerebrovascular arteries and veins. The genetic etiology of BAVMs has not been fully elucidated. In this study, we aim to investigate potential recessive genetic variants in BAVMs by interrogation of rare compound heterozygous variants. METHODS We performed whole exome sequencing (WES) on 112 BAVM trios and analyzed the data for rare and deleterious compound heterozygous mutations associated with the disease. RESULTS We identified 16 genes with compound heterozygous variants that were recurrent in more than one trio. Two genes (LRP2, MUC5B) were recurrently mutated in three trios. LRP2 has been previously associated with BAVM pathogenesis. Fourteen genes (MYLK, HSPG2, PEAK1, PIEZO1, PRUNE2, DNAH14, DNAH5, FCGBP, HERC2, HMCN1, MYH1, NHSL1, PLEC, RP1L1) were recurrently mutated in two trios, and five of these genes (MYLK, HSPG2, PEAK1, PIEZO1, PRUNE2) have been reported to play a role in angiogenesis or vascular diseases. Additionally, abnormal expression of the MYLK protein is related to spinal arteriovenous malformations. CONCLUSION Our study indicates that rare recessive compound heterozygous variants may underlie cases of BAVM. These findings improve our understanding of BAVM pathology and indicate genes for functional validation.
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Affiliation(s)
- Mingqi Zhang
- Department of Interventional Neuroradiology, Beijing Neurosurgical Institute and Beijing Tiantan Hospital, Capital Medical University, Beijing 100070, China
| | - Xinghuan Ding
- Department of Neurosurgery, Beijing Ditan Hospital, Capital Medical University, Beijing 100070, China
| | - Qianqian Zhang
- Department of Cerebrovascular Disease, Henan Provincial People's Hospital, Zhengzhou University People's Hospital, Henan University People's Hospital, Henan Provincial Neurointerventional Engineering Research Center and Henan International Joint Laboratory of Cerebrovascular Disease, Zhengzhou 450000, Henan, China
| | - Jian Liu
- Department of Interventional Neuroradiology, Beijing Neurosurgical Institute and Beijing Tiantan Hospital, Capital Medical University, Beijing 100070, China
| | - Yisen Zhang
- Department of Interventional Neuroradiology, Beijing Neurosurgical Institute and Beijing Tiantan Hospital, Capital Medical University, Beijing 100070, China
| | - Ying Zhang
- Department of Interventional Neuroradiology, Beijing Neurosurgical Institute and Beijing Tiantan Hospital, Capital Medical University, Beijing 100070, China
| | - Zhongbin Tian
- Department of Interventional Neuroradiology, Beijing Neurosurgical Institute and Beijing Tiantan Hospital, Capital Medical University, Beijing 100070, China
| | - Wenqiang Li
- Department of Interventional Neuroradiology, Beijing Neurosurgical Institute and Beijing Tiantan Hospital, Capital Medical University, Beijing 100070, China
| | - Wei Zhu
- Department of Interventional Neuroradiology, Beijing Neurosurgical Institute and Beijing Tiantan Hospital, Capital Medical University, Beijing 100070, China
| | - Huibin Kang
- Department of Interventional Neuroradiology, Beijing Neurosurgical Institute and Beijing Tiantan Hospital, Capital Medical University, Beijing 100070, China
| | - Zhongxiao Wang
- Department of Interventional Neuroradiology, Beijing Neurosurgical Institute and Beijing Tiantan Hospital, Capital Medical University, Beijing 100070, China
| | - Xinzhi Wu
- Department of Interventional Neuroradiology, Beijing Neurosurgical Institute and Beijing Tiantan Hospital, Capital Medical University, Beijing 100070, China
| | - Chao Wang
- Department of Interventional Neuroradiology, Beijing Neurosurgical Institute and Beijing Tiantan Hospital, Capital Medical University, Beijing 100070, China
| | - Xinjian Yang
- Department of Interventional Neuroradiology, Beijing Neurosurgical Institute and Beijing Tiantan Hospital, Capital Medical University, Beijing 100070, China
| | - Kun Wang
- Department of Interventional Neuroradiology, Beijing Neurosurgical Institute and Beijing Tiantan Hospital, Capital Medical University, Beijing 100070, China
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Schürmann C, Dienst FL, Pálfi K, Vasconez AE, Oo JA, Wang S, Buchmann GK, Offermanns S, van de Sluis B, Leisegang MS, Günther S, Humbert PO, Lee E, Zhu J, Weigert A, Mathoor P, Wittig I, Kruse C, Brandes RP. The polarity protein Scrib limits atherosclerosis development in mice. Cardiovasc Res 2020; 115:1963-1974. [PMID: 30949676 DOI: 10.1093/cvr/cvz093] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/26/2018] [Revised: 02/27/2019] [Accepted: 04/02/2019] [Indexed: 12/14/2022] Open
Abstract
AIMS The protein Scrib (Scribble 1) is known to control apico-basal polarity in epithelial cells. The role of polarity proteins in the vascular system remains poorly characterized; however, we previously reported that Scrib maintains the endothelial phenotype and directed migration. On this basis, we hypothesized that Scrib has anti-atherosclerotic functions. METHODS AND RESULTS Tamoxifen-induced Scrib-knockout mice were crossed with ApoE-/- knockout mice and spontaneous atherosclerosis under high-fat diet (HFD), as well as accelerated atherosclerosis in response to partial carotid artery ligation and HFD, was induced. Deletion of Scrib resulted in increased atherosclerosis development in both models. Mechanistically, flow- as well as acetylcholine-induced endothelium-dependent relaxation and AKT phosphorylation was reduced by deletion of Scrib, whereas vascular permeability and leucocyte extravasation were increased after Scrib knockout. Scrib immune pull down in primary carotid endothelial cells and mass spectrometry identified Arhgef7 (Rho Guanine Nucleotide Exchange Factor 7, βPix) as interaction partner. Scrib or Arhgef7 down-regulation by siRNA reduced the endothelial barrier function in human umbilical vein endothelial cells. Gene expression analysis from murine samples and from human biobank material of carotid endarterectomies indicated that loss of Scrib resulted in endothelial dedifferentiation with a decreased expression of endothelial signature genes. CONCLUSIONS By maintaining a quiescent endothelial phenotype, the polarity protein Scrib elicits anti-atherosclerotic functions.
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Affiliation(s)
- Christoph Schürmann
- Institute for Cardiovascular Physiology, Goethe-University, Theodor-Stern Kai 7, Frankfurt, Frankfurt am Main, Germany.,German Center for Cardiovascular Research (DZHK), Partner Site RheinMain, Theodor-Stern Kai 7, Frankfurt, Germany
| | - Franziska L Dienst
- Institute for Cardiovascular Physiology, Goethe-University, Theodor-Stern Kai 7, Frankfurt, Frankfurt am Main, Germany
| | - Katalin Pálfi
- Institute for Cardiovascular Physiology, Goethe-University, Theodor-Stern Kai 7, Frankfurt, Frankfurt am Main, Germany
| | - Andrea E Vasconez
- Institute for Cardiovascular Physiology, Goethe-University, Theodor-Stern Kai 7, Frankfurt, Frankfurt am Main, Germany.,German Center for Cardiovascular Research (DZHK), Partner Site RheinMain, Theodor-Stern Kai 7, Frankfurt, Germany
| | - James A Oo
- Institute for Cardiovascular Physiology, Goethe-University, Theodor-Stern Kai 7, Frankfurt, Frankfurt am Main, Germany.,German Center for Cardiovascular Research (DZHK), Partner Site RheinMain, Theodor-Stern Kai 7, Frankfurt, Germany
| | - ShengPeng Wang
- Department of Pharmacology, Max Planck Institute for Heart and Lung Research, Ludwigstrasse 43, Bad Nauheim, Germany
| | - Giulia K Buchmann
- Institute for Cardiovascular Physiology, Goethe-University, Theodor-Stern Kai 7, Frankfurt, Frankfurt am Main, Germany.,German Center for Cardiovascular Research (DZHK), Partner Site RheinMain, Theodor-Stern Kai 7, Frankfurt, Germany
| | - Stefan Offermanns
- German Center for Cardiovascular Research (DZHK), Partner Site RheinMain, Theodor-Stern Kai 7, Frankfurt, Germany.,Department of Pharmacology, Max Planck Institute for Heart and Lung Research, Ludwigstrasse 43, Bad Nauheim, Germany
| | - Bart van de Sluis
- Department of Pediatrics, Molecular Genetics Section, University of Groningen, University Medical Center Groningen, Antonius Deusinglaan 1, AV Groningen, The Netherlands
| | - Matthias S Leisegang
- Institute for Cardiovascular Physiology, Goethe-University, Theodor-Stern Kai 7, Frankfurt, Frankfurt am Main, Germany.,German Center for Cardiovascular Research (DZHK), Partner Site RheinMain, Theodor-Stern Kai 7, Frankfurt, Germany
| | - Stefan Günther
- ECCPS Bioinformatics and Sequencing Facility, Goethe-University, Ludwigstrasse 43, Bad Nauheim, Germany
| | - Patrick O Humbert
- Department of Biochemistry & Genetics, La Trobe Institute for Molecular Science, La Trobe University, Kingsbury Drive, Melbourne, Victoria, Australia.,Department of Clinical Pathology, Department of Molecular Biology and Biochemistry, The University of Melbourne, Grattan Street, Parkville, Victoria, Australia
| | - Eunjee Lee
- Icahn School of Medicine at Mount Sinai, 1 Gustave L. Levy Pl, New York, NY, USA.,Sema4 Genomics, a Mount Sinai Venture, 333 Ludlow Street, South tower 3rd floor, Stamford, CT, USA
| | - Jun Zhu
- Icahn School of Medicine at Mount Sinai, 1 Gustave L. Levy Pl, New York, NY, USA.,Sema4 Genomics, a Mount Sinai Venture, 333 Ludlow Street, South tower 3rd floor, Stamford, CT, USA
| | - Andreas Weigert
- Institute of Biochemistry I-Pathobiochemistry, Goethe-University, Frankfurt, Theodor-Stern Kai 7, Frankfurt am Main, Germany
| | - Praveen Mathoor
- Institute of Biochemistry I-Pathobiochemistry, Goethe-University, Frankfurt, Theodor-Stern Kai 7, Frankfurt am Main, Germany
| | - Ilka Wittig
- German Center for Cardiovascular Research (DZHK), Partner Site RheinMain, Theodor-Stern Kai 7, Frankfurt, Germany.,Functional Proteomics, SFB815 Core Unit, Medical School, Goethe University, Frankfurt, Theodor-Stern Kai 7, Frankfurt am Main, Germany
| | - Christoph Kruse
- Institute for Cardiovascular Physiology, Goethe-University, Theodor-Stern Kai 7, Frankfurt, Frankfurt am Main, Germany
| | - Ralf P Brandes
- Institute for Cardiovascular Physiology, Goethe-University, Theodor-Stern Kai 7, Frankfurt, Frankfurt am Main, Germany.,German Center for Cardiovascular Research (DZHK), Partner Site RheinMain, Theodor-Stern Kai 7, Frankfurt, Germany
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40
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It takes more than two to tango: mechanosignaling of the endothelial surface. Pflugers Arch 2020; 472:419-433. [PMID: 32239285 PMCID: PMC7165135 DOI: 10.1007/s00424-020-02369-2] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Revised: 03/13/2020] [Accepted: 03/18/2020] [Indexed: 02/07/2023]
Abstract
The endothelial surface is a highly flexible signaling hub which is able to sense the hemodynamic forces of the streaming blood. The subsequent mechanosignaling is basically mediated by specific structures, like the endothelial glycocalyx building the top surface layer of endothelial cells as well as mechanosensitive ion channels within the endothelial plasma membrane. The mechanical properties of the endothelial cell surface are characterized by the dynamics of cytoskeletal proteins and play a key role in the process of signal transmission from the outside (lumen of the blood vessel) to the interior of the cell. Thus, the cell mechanics directly interact with the function of mechanosensitive structures and ion channels. To precisely maintain the vascular tone, a coordinated functional interdependency between endothelial cells and vascular smooth muscle cells is necessary. This is given by the fact that mechanosensitive ion channels are expressed in both cell types and that signals are transmitted via autocrine/paracrine mechanisms from layer to layer. Thus, the outer layer of the endothelial cells can be seen as important functional mechanosensitive and reactive cellular compartment. This review aims to describe the known mechanosensitive structures of the vessel building a bridge between the important role of physiological mechanosignaling and the proper vascular function. Since mutations and dysfunction of mechanosensitive proteins are linked to vascular pathologies such as hypertension, they play a potent role in the field of channelopathies and mechanomedicine.
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41
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Ryu Y, Maekawa T, Yoshino D, Sakitani N, Takashima A, Inoue T, Suzurikawa J, Toyohara J, Tago T, Makuuchi M, Fujita N, Sawada K, Murase S, Watanave M, Hirai H, Sakai T, Yoshikawa Y, Ogata T, Shinohara M, Nagao M, Sawada Y. Mechanical Regulation Underlies Effects of Exercise on Serotonin-Induced Signaling in the Prefrontal Cortex Neurons. iScience 2020; 23:100874. [PMID: 32062453 PMCID: PMC7016263 DOI: 10.1016/j.isci.2020.100874] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2019] [Revised: 01/15/2020] [Accepted: 01/27/2020] [Indexed: 12/28/2022] Open
Abstract
Mechanical forces are known to be involved in various biological processes. However, it remains unclear whether brain functions are mechanically regulated under physiological conditions. Here, we demonstrate that treadmill running and passive head motion (PHM), both of which produce mechanical impact on the head, have similar effects on the hallucinogenic 5-hydroxytryptamine (5-HT) receptor subtype 2A (5-HT2A) signaling in the prefrontal cortex (PFC) of rodents. PHM generates interstitial fluid movement that is estimated to exert shear stress of a few pascals on cells in the PFC. Fluid shear stress of a relevant magnitude on cultured neuronal cells induces ligand-independent internalization of 5-HT2A receptor, which is observed in mouse PFC neurons after treadmill running or PHM. Furthermore, inhibition of interstitial fluid movement by introducing polyethylene glycol hydrogel eliminates the effect of PHM on 5-HT2A receptor signaling in the PFC. Our findings indicate that neuronal cell function can be physiologically regulated by mechanical forces in the brain. Mechanical forces regulate brain functions under physiological conditions Intracerebral interstitial fluid has mechanical roles in regulating brain functions Mechanical impact on the head mediates effects of exercise on the brain Fluid shear stress physiologically modulates signaling in nervous cells
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Affiliation(s)
- Youngjae Ryu
- Department of Rehabilitation for Motor Functions, National Rehabilitation Center for Persons with Disabilities, Tokorozawa, Saitama 359-8555, Japan; Department of Veterinary Surgery, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Bunkyo, Tokyo 113-8657, Japan
| | - Takahiro Maekawa
- Department of Rehabilitation for Motor Functions, National Rehabilitation Center for Persons with Disabilities, Tokorozawa, Saitama 359-8555, Japan
| | - Daisuke Yoshino
- Division of Advanced Applied Physics, Institute of Engineering, Tokyo University of Agriculture and Technology, Koganei, Tokyo 184-8588, Japan
| | - Naoyoshi Sakitani
- Department of Rehabilitation for Motor Functions, National Rehabilitation Center for Persons with Disabilities, Tokorozawa, Saitama 359-8555, Japan
| | - Atsushi Takashima
- Department of Assistive Technology, National Rehabilitation Center for Persons with Disabilities, Tokorozawa, Saitama 359-8555, Japan
| | - Takenobu Inoue
- Department of Assistive Technology, National Rehabilitation Center for Persons with Disabilities, Tokorozawa, Saitama 359-8555, Japan
| | - Jun Suzurikawa
- Department of Assistive Technology, National Rehabilitation Center for Persons with Disabilities, Tokorozawa, Saitama 359-8555, Japan
| | - Jun Toyohara
- Research Team for Neuroimaging, Tokyo Metropolitan Institute of Gerontology, Itabashi, Tokyo 173-0015, Japan
| | - Tetsuro Tago
- Research Team for Neuroimaging, Tokyo Metropolitan Institute of Gerontology, Itabashi, Tokyo 173-0015, Japan
| | - Michiru Makuuchi
- Section of Neuropsychology, National Rehabilitation Center for Persons with Disabilities, Tokorozawa, Saitama 359-8555, Japan
| | - Naoki Fujita
- Department of Veterinary Surgery, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Bunkyo, Tokyo 113-8657, Japan
| | - Keisuke Sawada
- University of Cincinnati College of Medicine, Cincinnati, OH 45267, USA
| | - Shuhei Murase
- Department of Rehabilitation for Motor Functions, National Rehabilitation Center for Persons with Disabilities, Tokorozawa, Saitama 359-8555, Japan
| | - Masashi Watanave
- Department of Neurophysiology & Neural Repair, Gunma University Graduate School of Medicine, Maebashi, Gunma 371-8511, Japan
| | - Hirokazu Hirai
- Department of Neurophysiology & Neural Repair, Gunma University Graduate School of Medicine, Maebashi, Gunma 371-8511, Japan
| | - Takamasa Sakai
- Department of Bioengineering, Graduate School of Engineering, The University of Tokyo, Bunkyo, Tokyo 113-8656, Japan
| | - Yuki Yoshikawa
- Department of Bioengineering, Graduate School of Engineering, The University of Tokyo, Bunkyo, Tokyo 113-8656, Japan
| | - Toru Ogata
- Department of Rehabilitation for Motor Functions, National Rehabilitation Center for Persons with Disabilities, Tokorozawa, Saitama 359-8555, Japan
| | - Masahiro Shinohara
- Department of Rehabilitation for Motor Functions, National Rehabilitation Center for Persons with Disabilities, Tokorozawa, Saitama 359-8555, Japan
| | - Motoshi Nagao
- Department of Rehabilitation for Motor Functions, National Rehabilitation Center for Persons with Disabilities, Tokorozawa, Saitama 359-8555, Japan
| | - Yasuhiro Sawada
- Department of Rehabilitation for Motor Functions, National Rehabilitation Center for Persons with Disabilities, Tokorozawa, Saitama 359-8555, Japan; Department of Clinical Research, National Rehabilitation Center for Persons with Disabilities, Tokorozawa, Saitama 359-8555, Japan.
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42
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Stewart TA, Davis FM. Formation and Function of Mammalian Epithelia: Roles for Mechanosensitive PIEZO1 Ion Channels. Front Cell Dev Biol 2019; 7:260. [PMID: 31750303 PMCID: PMC6843007 DOI: 10.3389/fcell.2019.00260] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2019] [Accepted: 10/17/2019] [Indexed: 11/17/2022] Open
Abstract
Mechanical forces play important roles in shaping mammalian development. In the embryo, cells experience force both during the formation of the mammalian body plan and in the ensuing phase of organogenesis. Physical forces - including fluid flow, compression, radial pressure, contraction, and osmotic pressure - continue to play central roles as organs mature, function, and ultimately dysfunction. Multiple mechanisms exist to receive, transduce, and transmit mechanical forces in mammalian epithelial tissues and to integrate these cues, which can both fluctuate and coincide, with local and systemic chemical signals. Drawing near a decade since the discovery of the bona fide mechanically activated ion channel, PIEZO1, we discuss in this mini-review established and emerging roles for this protein in the form and function of mammalian epithelia.
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Affiliation(s)
- Teneale A. Stewart
- Faculty of Medicine, Mater Research-The University of Queensland, Brisbane, QLD, Australia
- Translational Research Institute, Brisbane, QLD, Australia
| | - Felicity M. Davis
- Faculty of Medicine, Mater Research-The University of Queensland, Brisbane, QLD, Australia
- Translational Research Institute, Brisbane, QLD, Australia
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43
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Zhang M, Zhao L, Zhao R, Li Z, Liu Y, Duan Y, Han T. A mechanochromic luminescent material with aggregation-induced emission: Application for pressure sensing and mapping. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2019; 220:117125. [PMID: 31136865 DOI: 10.1016/j.saa.2019.05.030] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/18/2019] [Revised: 04/25/2019] [Accepted: 05/11/2019] [Indexed: 06/09/2023]
Abstract
In this study, we report a new compound, (E)-4-(((2-hydroxynaphthalen-1-yl)methylene)amino)-3-methylbenzoic acid (HNMB), which shows aggregation-induced emission property as well as intramolecular charge transfer (ICT) nature. In addition, it exhibits unique mechanochromic luminescence (MCL). The HNMB solid powder emits strong emission but shows quenching effect together with bathochromic-shift after grinding, suggesting a high contrast ratio up to 1420%. Through crystallographic analysis, the relationship between MCL nature and molecular packing mode is verified: Molecules in crystalline phase adopt the J-type coupling based on less overlapped π⋯π stacking, in which multiple intermolecular interactions mainly including C-H⋯π, C-H⋯O and hydrogen bonding, help to stabilize such packing mode. When these interactions are destructed by mechanical force, the packing would be disassembled, activating the MCL behavior. Such working mechanism only needs weak external force capable of destructing intermolecular interactions, rendering the MCL material highly sensitive to pressure. As a practical application, a film sensor for pressure detection is designed based on HNMB, which gives a linear relation between the emission intensity and the external pressure in a lower range. The detection limit of the film sensor is 27.24 Mpa, suggesting high sensitivity. In addition, pressure mapping with high contrast ratio is obtained by surface plot, making this pressure sensor a reliable candidate to be instrumented for various applications.
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Affiliation(s)
- Mengyao Zhang
- Department of Chemistry, Capital Normal University, Beijing 100048, China
| | - Li Zhao
- Department of Chemistry, Capital Normal University, Beijing 100048, China
| | - Ruixue Zhao
- Department of Chemistry, Capital Normal University, Beijing 100048, China
| | - Zhongfeng Li
- Department of Chemistry, Capital Normal University, Beijing 100048, China
| | - Yang Liu
- Beijing Key Laboratory of Radiation Advanced Materials, Beijing Research Center for Radiation Application, Beijing 100015, China
| | - Yuai Duan
- Department of Chemistry, Capital Normal University, Beijing 100048, China.
| | - Tianyu Han
- Department of Chemistry, Capital Normal University, Beijing 100048, China.
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44
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Using Yoda-1 to mimic laminar flow in vitro: A tool to simplify drug testing. Biochem Pharmacol 2019; 168:473-480. [PMID: 31437459 PMCID: PMC6852096 DOI: 10.1016/j.bcp.2019.08.013] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2019] [Accepted: 08/14/2019] [Indexed: 01/24/2023]
Abstract
The endothelium is an attractive drug target and an important site of adverse drug reactions. Endothelial dysfunction is strongly associated with inflammation and contributes to drug-induced cardiovascular toxicity. Endothelial cells in the circulation are exposed to haemodynamic forces including shear stress. Including shear stress may improve future endothelial cell drug discovery or toxicity screening. Piezo-1 is required for endothelial cells to respond to shear stress. In this study, we investigated whether a small molecule activator of Piezo-1, Yoda-1, can mimic the effect of laminar flow-induced shear stress on endothelial cell inflammation, and endothelial cytotoxicity in response to the chemotherapy agent, doxorubicin. First, we tested whether Yoda-1 could mimic the effects of shear stress of expression of the endothelial adhesion molecules, ICAM-1 and VCAM-1. Human umbilical vein endothelial cells (HUVEC) were cultured in static conditions (with or without Yoda-1) or under laminar flow-induced shear stress (5 dyn/cm2). Yoda-1 and laminar flow had similar anti-inflammatory effects, reducing the ability of TNF-α to induce ICAM-1 and VCAM-1 expression. We then tested whether Yoda-1 could mimic the effect of shear stress on doxorubicin-induced cytotoxicity. Both laminar flow and Yoda-1 treatment of static cultures increased the cytotoxicity of doxorubicin. These findings show that Piezo-1 activation with Yoda-1 in static culture leads to an endothelial cell phenotype that mimics endothelial cells under laminar flow. Pharmacological activation of Piezo-1 may be a useful approach to mimic constant shear stress in static cultures, which may improve endothelial drug discovery and toxicity testing.
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45
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Fetah K, Tebon P, Goudie MJ, Eichenbaum J, Ren L, Barros N, Nasiri R, Ahadian S, Ashammakhi N, Dokmeci MR, Khademhosseini A. The emergence of 3D bioprinting in organ-on-chip systems. ACTA ACUST UNITED AC 2019. [DOI: 10.1088/2516-1091/ab23df] [Citation(s) in RCA: 49] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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46
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Affiliation(s)
- Jahar Bhattacharya
- 1 Department of Medicine Columbia University College of Physicians and Surgeons New York, New York and
| | - Rebecca F Hough
- 1 Department of Medicine Columbia University College of Physicians and Surgeons New York, New York and.,2 Department of Pediatrics Columbia University College of Physicians and Surgeons New York, New York
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47
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Morley LC, Beech DJ, Walker JJ, Simpson NAB. Emerging concepts of shear stress in placental development and function. Mol Hum Reprod 2019; 25:329-339. [PMID: 30931481 PMCID: PMC6554190 DOI: 10.1093/molehr/gaz018] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2018] [Revised: 03/03/2019] [Indexed: 12/17/2022] Open
Abstract
Blood flow, and the force it generates, is critical to placental development and function throughout pregnancy. This mechanical stimulation of cells by the friction generated from flow is called shear stress (SS) and is a fundamental determinant of vascular homeostasis, regulating remodelling and vasomotor tone. This review describes how SS is fundamental to the establishment and regulation of the blood flow through the uteroplacental and fetoplacental circulations. Amongst the most recent findings is that alongside the endothelium, embryonic stem cells and the villous trophoblast are mechanically sensitive. A complex balance of forces is required to enable effective establishment of the uteroplacental circulation, while protecting the embryo and placental villi. SS also generates flow-mediated vasodilatation through the release of endothelial nitric oxide, a process vital for adequate placental blood flow. The identification of SS sensors and the mechanisms governing how the force is converted into biochemical signals is a fast-paced area of research, with multiple cellular components under investigation. For example, the Piezo1 ion channel is mechanosensitive in a variety of tissues including the fetoplacental endothelium. Enhanced Piezo1 activity has been demonstrated in response to the Yoda1 agonist molecule, suggesting the possibility for developing tools to manipulate these channels. Whether such agents might progress to novel therapeutics to improve blood flow through the placenta requires further consideration and research.
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Affiliation(s)
- L C Morley
- Leeds Institute of Cardiovascular and Metabolic Medicine, LIGHT Laboratories, University of Leeds, UK
| | - D J Beech
- Leeds Institute of Cardiovascular and Metabolic Medicine, LIGHT Laboratories, University of Leeds, UK
| | - J J Walker
- Academic department of Obstetrics and Gynaecology, Level, Worsley Building, University of Leeds, UK
| | - N A B Simpson
- Academic department of Obstetrics and Gynaecology, Level, Worsley Building, University of Leeds, UK
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48
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Dela Paz NG, Frangos JA. Rapid flow-induced activation of Gα q/11 is independent of Piezo1 activation. Am J Physiol Cell Physiol 2019; 316:C741-C752. [PMID: 30811222 PMCID: PMC6580164 DOI: 10.1152/ajpcell.00215.2018] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2018] [Revised: 02/08/2019] [Accepted: 02/25/2019] [Indexed: 12/22/2022]
Abstract
Endothelial cell (EC) mechanochemical transduction is the process by which mechanical stimuli are sensed by ECs and transduced into biochemical signals and ultimately into physiological responses. Identifying the mechanosensor/mechanochemical transducer(s) and describing the mechanism(s) by which they receive and transmit the signals has remained a central focus within the field. The heterotrimeric G protein, Gαq/11, is proposed to be part of a macromolecular complex together with PECAM-1 at EC junctions and may constitute the mechanochemical transducer as it is rapidly activated within seconds of flow onset. The mechanically activated cation channel Piezo1 has recently been implicated due to its involvement in mediating early responses, such as calcium and ATP release. Here, we investigate the role of Piezo1 in rapid shear stress-induced Gαq/11 activation. We show that flow-induced dissociation of Gαq/11 from PECAM-1 in ECs at 15 s is abrogated by BIM-46187, a selective inhibitor of Gαq/11 activation, suggesting that Gαq/11 activation is required for PECAM-1/Gαq/11 dissociation. Although siRNA knockdown of Piezo1 caused a dramatic decrease in PECAM-1/Gαq/11 association in the basal condition, it had no effect on flow-induced dissociation. Interestingly, siRNA knockdown of Piezo1 caused a marked decrease in PECAM-1 expression. Additionally, selective blockade of Piezo1 with ion channel inhibitors had no effect on flow-induced PECAM-1/Gαq/11 dissociations. Lastly, flow onset caused increased association of Gβ1 with Piezo1 as well as with the p101 subunit of phosphoinositide 3-kinase, which were both blocked by the Gβγ inhibitor gallein. Together, our results indicate that flow-induced activation of Piezo1 is not upstream of G protein activation.
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Affiliation(s)
| | - John A Frangos
- La Jolla Bioengineering Institute , La Jolla, California
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49
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Piezo1 mediates neuron oxygen-glucose deprivation/reoxygenation injury via Ca2+/calpain signaling. Biochem Biophys Res Commun 2019; 513:147-153. [DOI: 10.1016/j.bbrc.2019.03.163] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2019] [Accepted: 03/24/2019] [Indexed: 12/27/2022]
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50
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Andolfo I, De Rosa G, Errichiello E, Manna F, Rosato BE, Gambale A, Vetro A, Calcaterra V, Pelizzo G, De Franceschi L, Zuffardi O, Russo R, Iolascon A. PIEZO1 Hypomorphic Variants in Congenital Lymphatic Dysplasia Cause Shape and Hydration Alterations of Red Blood Cells. Front Physiol 2019; 10:258. [PMID: 30930797 PMCID: PMC6428731 DOI: 10.3389/fphys.2019.00258] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2018] [Accepted: 02/26/2019] [Indexed: 12/20/2022] Open
Abstract
PIEZO1 is a cation channel activated by mechanical force. It plays an important physiological role in several biological processes such as cardiovascular, renal, endothelial and hematopoietic systems. Two different diseases are associated with alteration in the DNA sequence of PIEZO1: (i) dehydrated hereditary stomatocytosis (DHS1, #194380), an autosomal dominant hemolytic anemia caused by gain-of-function mutations; (ii) lymphatic dysplasia with non-immune fetal hydrops (LMPH3, #616843), an autosomal recessive condition caused by biallelic loss-of-function mutations. We analyzed a 14-year-old boy affected by severe lymphatic dysplasia already present prenatally, with peripheral edema, hydrocele, and chylothoraces. By whole exome sequencing, we identified compound heterozygosity for PIEZO1, with one splicing and one deletion mutation, the latter causing the formation of a premature stop codon that leads to mRNA decay. The functional analysis of the erythrocytes of the patient highlighted altered hydration with the intracellular loss of the potassium content and structural abnormalities with anisopoikolocytosis and presence of both spherocytes and stomatocytes. This novel erythrocyte trait, sharing features with both hereditary spherocytosis and overhydrated hereditary stomatocytosis, complements the clinical features associated with loss-of-function mutations of PIEZO1 in the context of the generalized lymphatic dysplasia of LMPH3 type.
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Affiliation(s)
- Immacolata Andolfo
- Department of Molecular Medicine and Medical Biotechnologies, University of Naples Federico II, Naples, Italy.,CEINGE, Biotecnologie Avanzate, Naples, Italy
| | - Gianluca De Rosa
- Department of Molecular Medicine and Medical Biotechnologies, University of Naples Federico II, Naples, Italy.,CEINGE, Biotecnologie Avanzate, Naples, Italy
| | | | - Francesco Manna
- Department of Molecular Medicine and Medical Biotechnologies, University of Naples Federico II, Naples, Italy.,CEINGE, Biotecnologie Avanzate, Naples, Italy
| | - Barbara Eleni Rosato
- Department of Molecular Medicine and Medical Biotechnologies, University of Naples Federico II, Naples, Italy.,CEINGE, Biotecnologie Avanzate, Naples, Italy
| | - Antonella Gambale
- Department of Molecular Medicine and Medical Biotechnologies, University of Naples Federico II, Naples, Italy.,CEINGE, Biotecnologie Avanzate, Naples, Italy
| | - Annalisa Vetro
- Pediatric Neurology, Neurogenetics and Neurobiology Unit and Laboratories, Department of Neuroscience, A. Meyer Children's Hospital, University of Florence, Florence, Italy
| | - Valeria Calcaterra
- Pediatric Unit, Department of Maternal and Children's Health, Fondazione IRCCS Policlinico San Matteo, University of Pavia, Pavia, Italy
| | - Gloria Pelizzo
- Department of Pediatric Surgery, Children's Hospital "G. Di Cristina", ARNAS Civico-Di Cristina-Benfretelli, Palermo, Italy
| | | | - Orsetta Zuffardi
- Department of Molecular Medicine, University of Pavia, Pavia, Italy
| | - Roberta Russo
- Department of Molecular Medicine and Medical Biotechnologies, University of Naples Federico II, Naples, Italy.,CEINGE, Biotecnologie Avanzate, Naples, Italy
| | - Achille Iolascon
- Department of Molecular Medicine and Medical Biotechnologies, University of Naples Federico II, Naples, Italy.,CEINGE, Biotecnologie Avanzate, Naples, Italy
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