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Xiao B. Mechanisms of mechanotransduction and physiological roles of PIEZO channels. Nat Rev Mol Cell Biol 2024:10.1038/s41580-024-00773-5. [PMID: 39251883 DOI: 10.1038/s41580-024-00773-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/02/2024] [Indexed: 09/11/2024]
Abstract
Mechanical force is an essential physical element that contributes to the formation and function of life. The discovery of the evolutionarily conserved PIEZO family, including PIEZO1 and PIEZO2 in mammals, as bona fide mechanically activated cation channels has transformed our understanding of how mechanical forces are sensed and transduced into biological activities. In this Review, I discuss recent structure-function studies that have illustrated how PIEZO1 and PIEZO2 adopt their unique structural design and curvature-based gating dynamics, enabling their function as dedicated mechanotransduction channels with high mechanosensitivity and selective cation conductivity. I also discuss our current understanding of the physiological and pathophysiological roles mediated by PIEZO channels, including PIEZO1-dependent regulation of development and functional homeostasis and PIEZO2-dominated mechanosensation of touch, tactile pain, proprioception and interoception of mechanical states of internal organs. Despite the remarkable progress in PIEZO research, this Review also highlights outstanding questions in the field.
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Affiliation(s)
- Bailong Xiao
- School of Pharmaceutical Sciences, Tsinghua University, Beijing, China.
- Tsinghua-Peking Center for Life Sciences, Tsinghua University, Beijing, China.
- Beijing Frontier Research Center of Biological Structure, Tsinghua University, Beijing, China.
- IDG/McGovern Institute for Brain Research, Tsinghua University, Beijing, China.
- State Key Laboratory of Membrane Biology, Tsinghua University, Beijing, China.
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2
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Swiatlowska P, Tipping W, Marhuenda E, Severi P, Fomin V, Yang Z, Xiao Q, Graham D, Shanahan C, Iskratsch T. Hypertensive Pressure Mechanosensing Alone Triggers Lipid Droplet Accumulation and Transdifferentiation of Vascular Smooth Muscle Cells to Foam Cells. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2308686. [PMID: 38145971 PMCID: PMC10916670 DOI: 10.1002/advs.202308686] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Indexed: 12/27/2023]
Abstract
Arterial Vascular smooth muscle cells (VSMCs) play a central role in the onset and progression of atherosclerosis. Upon exposure to pathological stimuli, they can take on alternative phenotypes that, among others, have been described as macrophage like, or foam cells. VSMC foam cells make up >50% of all arterial foam cells and have been suggested to retain an even higher proportion of the cell stored lipid droplets, further leading to apoptosis, secondary necrosis, and an inflammatory response. However, the mechanism of VSMC foam cell formation is still unclear. Here, it is identified that mechanical stimulation through hypertensive pressure alone is sufficient for the phenotypic switch. Hyperspectral stimulated Raman scattering imaging demonstrates rapid lipid droplet formation and changes to lipid metabolism and changes are confirmed in ABCA1, KLF4, LDLR, and CD68 expression, cell proliferation, and migration. Further, a mechanosignaling route is identified involving Piezo1, phospholipid, and arachidonic acid signaling, as well as epigenetic regulation, whereby CUT&Tag epigenomic analysis confirms changes in the cells (lipid) metabolism and atherosclerotic pathways. Overall, the results show for the first time that VSMC foam cell formation can be triggered by mechanical stimulation alone, suggesting modulation of mechanosignaling can be harnessed as potential therapeutic strategy.
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Affiliation(s)
- Pamela Swiatlowska
- School of Engineering and Materials ScienceQueen Mary University of LondonLondonE1 4NSUK
| | - William Tipping
- Department of Pure and Applied ChemistryUniversity of StrathclydeGlasgowG1 1QAUK
| | - Emilie Marhuenda
- School of Engineering and Materials ScienceQueen Mary University of LondonLondonE1 4NSUK
| | - Paolo Severi
- School of Engineering and Materials ScienceQueen Mary University of LondonLondonE1 4NSUK
- Department of Translational MedicineLaboratory for Technologies of Advanced Therapies (LTTA)University of FerraraFerrara44121Italy
| | | | - Zhisheng Yang
- William Harvey Research InstituteQueen Mary University of LondonLondonEC1M 6BQUK
| | - Qingzhong Xiao
- William Harvey Research InstituteQueen Mary University of LondonLondonEC1M 6BQUK
| | - Duncan Graham
- Department of Pure and Applied ChemistryUniversity of StrathclydeGlasgowG1 1QAUK
| | - Cathy Shanahan
- School of Cardiovascular Medicine and SciencesKing's College LondonLondonSE5 9NUUK
| | - Thomas Iskratsch
- School of Engineering and Materials ScienceQueen Mary University of LondonLondonE1 4NSUK
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3
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Coste B, Delmas P. PIEZO Ion Channels in Cardiovascular Functions and Diseases. Circ Res 2024; 134:572-591. [PMID: 38422173 DOI: 10.1161/circresaha.123.322798] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 03/02/2024]
Abstract
The cardiovascular system provides blood supply throughout the body and as such is perpetually applying mechanical forces to cells and tissues. Thus, this system is primed with mechanosensory structures that respond and adapt to changes in mechanical stimuli. Since their discovery in 2010, PIEZO ion channels have dominated the field of mechanobiology. These have been proposed as the long-sought-after mechanosensitive excitatory channels involved in touch and proprioception in mammals. However, more and more pieces of evidence point to the importance of PIEZO channels in cardiovascular activities and disease development. PIEZO channel-related cardiac functions include transducing hemodynamic forces in endothelial and vascular cells, red blood cell homeostasis, platelet aggregation, and arterial blood pressure regulation, among others. PIEZO channels contribute to pathological conditions including cardiac hypertrophy and pulmonary hypertension and congenital syndromes such as generalized lymphatic dysplasia and xerocytosis. In this review, we highlight recent advances in understanding the role of PIEZO channels in cardiovascular functions and diseases. Achievements in this quickly expanding field should open a new road for efficient control of PIEZO-related diseases in cardiovascular functions.
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Affiliation(s)
- Bertrand Coste
- Centre de Recherche en CardioVasculaire et Nutrition, Aix-Marseille Université - INSERM 1263 - INRAE 1260, Marseille, France
| | - Patrick Delmas
- Centre de Recherche en CardioVasculaire et Nutrition, Aix-Marseille Université - INSERM 1263 - INRAE 1260, Marseille, France
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Muthusamy K, Perez-Ortiz JM, Ligezka AN, Altassan R, Johnsen C, Schultz MJ, Patterson MC, Morava E. Neurological manifestations in PMM2-congenital disorders of glycosylation (PMM2-CDG): Insights into clinico-radiological characteristics, recommendations for follow-up, and future directions. Genet Med 2024; 26:101027. [PMID: 37955240 DOI: 10.1016/j.gim.2023.101027] [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: 03/13/2023] [Revised: 11/08/2023] [Accepted: 11/08/2023] [Indexed: 11/14/2023] Open
Abstract
PURPOSE In the absence of prospective data on neurological symptoms, disease outcome, or guidelines for system specific management in phosphomannomutase 2-congenital disorders of glycosylation (PMM2-CDG), we aimed to collect and review natural history data. METHODS Fifty-one molecularly confirmed individuals with PMM2-CDG enrolled in the Frontiers of Congenital Disorders of Glycosylation natural history study were reviewed. In addition, we prospectively reviewed a smaller cohort of these individuals with PMM2-CDG on off-label acetazolamide treatment. RESULTS Mean age at diagnosis was 28.04 months. Developmental delay is a constant phenotype. Neurological manifestation included ataxia (90.2%), myopathy (82.4%), seizures (56.9%), neuropathy (52.9%), microcephaly (19.1%), extrapyramidal symptoms (27.5%), stroke-like episodes (SLE) (15.7%), and spasticity (13.7%). Progressive cerebellar atrophy is the characteristic neuroimaging finding. Additionally, supratentorial white matter changes were noted in adult age. No correlation was observed between the seizure severity and SLE risk, although all patients with SLE have had seizures in the past. "Off-label" acetazolamide therapy in a smaller sub-cohort resulted in improvement in speech fluency but did not show statistically significant improvement in objective ataxia scores. CONCLUSION Clinical and radiological findings suggest both neurodevelopmental and neurodegenerative pathophysiology. Seizures may manifest at any age and are responsive to levetiracetam monotherapy in most cases. Febrile seizure is the most common trigger for SLEs. Acetazolamide is well tolerated.
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Affiliation(s)
| | - Judit M Perez-Ortiz
- Department of Pediatric and Adolescent Medicine, Mayo Clinic, Rochester, MN; Department of Neurology, Mayo Clinic, Rochester, MN
| | - Anna N Ligezka
- Department of Clinical Genomics, Mayo Clinic, Rochester, MN
| | - Ruqaiah Altassan
- Department of Medical Genomics, Centre for Genomic Medicine, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia; College of Medicine, Alfaisal University, Riyadh, Saudi Arabia
| | - Christin Johnsen
- Department of Clinical Genomics, Mayo Clinic, Rochester, MN; Department of Pediatrics and Adolescent Medicine, University Medical Centre, Göttingen, Germany
| | | | - Marc C Patterson
- Department of Pediatric and Adolescent Medicine, Mayo Clinic, Rochester, MN; Department of Neurology, Mayo Clinic, Rochester, MN; Department of Clinical Genomics, Mayo Clinic, Rochester, MN
| | - Eva Morava
- Department of Clinical Genomics, Mayo Clinic, Rochester, MN; Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN; Department of Medical Genetics, University Medical School, Pecs, Hungary
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5
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Amado NG, Nosyreva ED, Thompson D, Egeland TJ, Ogujiofor OW, Yang M, Fusco AN, Passoni N, Mathews J, Cantarel B, Baker LA, Syeda R. PIEZO1 loss-of-function compound heterozygous mutations in the rare congenital human disorder Prune Belly Syndrome. Nat Commun 2024; 15:339. [PMID: 38184690 PMCID: PMC10771463 DOI: 10.1038/s41467-023-44594-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2023] [Accepted: 12/21/2023] [Indexed: 01/08/2024] Open
Abstract
Prune belly syndrome (PBS), also known as Eagle-Barret syndrome, is a rare, multi-system congenital myopathy primarily affecting males. Phenotypically, PBS cases manifest three cardinal pathological features: urinary tract dilation with poorly contractile smooth muscle, wrinkled flaccid ventral abdominal wall with skeletal muscle deficiency, and intra-abdominal undescended testes. Genetically, PBS is poorly understood. After performing whole exome sequencing in PBS patients, we identify one compound heterozygous variant in the PIEZO1 gene. PIEZO1 is a cation-selective channel activated by various mechanical forces and widely expressed throughout the lower urinary tract. Here we conduct an extensive functional analysis of the PIEZO1 PBS variants that reveal loss-of-function characteristics in the pressure-induced normalized open probability (NPo) of the channel, while no change is observed in single-channel currents. Furthermore, Yoda1, a PIEZO1 activator, can rescue the NPo defect of the PBS mutant channels. Thus, PIEZO1 mutations may be causal for PBS and the in vitro cellular pathophysiological phenotype could be rescued by the small molecule, Yoda1. Activation of PIEZO1 might provide a promising means of treating PBS and other related bladder dysfunctional states.
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Affiliation(s)
- Nathalia G Amado
- Department of Urology, University of Texas Southwestern Medical Center, Dallas, TX, USA
- The Kidney and Urinary Tract Center, The Abigail Wexner Research Institute at Nationwide Children's Hospital, Columbus, OH, USA
| | - Elena D Nosyreva
- Department of Neuroscience, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - David Thompson
- Department of Neuroscience, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Thomas J Egeland
- Department of Urology, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Osita W Ogujiofor
- Department of Neuroscience, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Michelle Yang
- Department of Urology, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Alexandria N Fusco
- Department of Urology, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Niccolo Passoni
- Department of Urology, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Jeremy Mathews
- Department of Bioinformatics, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Brandi Cantarel
- Department of Bioinformatics, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Linda A Baker
- Department of Urology, University of Texas Southwestern Medical Center, Dallas, TX, USA.
- The Kidney and Urinary Tract Center, The Abigail Wexner Research Institute at Nationwide Children's Hospital, Columbus, OH, USA.
| | - Ruhma Syeda
- Department of Neuroscience, University of Texas Southwestern Medical Center, Dallas, TX, USA.
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Itson-Zoske B, Gani U, Mikesell A, Qiu C, Fan F, Stucky C, Hogan Q, Shin SM, Yu H. Selective RNAi-silencing of Schwann cell Piezo1 alleviates mechanical hypersensitization following peripheral nerve injury. RESEARCH SQUARE 2023:rs.3.rs-3405016. [PMID: 37886453 PMCID: PMC10602140 DOI: 10.21203/rs.3.rs-3405016/v1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/28/2023]
Abstract
We previously reported functional Piezo1 expression in Schwann cells of the peripheral nervous system. This study is designed to further investigate the role of Schwann cell Piezo1 in peripheral nociception. We first developed an adeno-associated viral (AAV) vector that has primary Schwann cell tropism after delivery into the sciatic nerve. This was achieved by packing AAV-GFP transcribed by a hybrid CMV enhancer/chicken β-actin (CBA) promoter using a capsid AAVolig001 to generate AAVolig001-CBA-GFP. Five weeks after intrasciatic injection of AAVolig001-CBA-GFP in naïve rats, GFP expression was detected selectively in the Schwann cells of the sciatic nerve. A short hairpin RNA against rat Piezo1 (PZ1shRNA) was designed that showed efficient physical and functional knockdown of Piezo1 in NG108 neuronal cells. A dual promoter and bidirectional AAV encoding a U6-driven PZ1shRNA and CBA-transcribed GFP was packed with capsid olig001 (AAVolig001-PZ1shRNA), and AAV was injected into unilateral sciatic nerve immediately after induction of common peroneal nerve injury (CPNI). Results showed that the development of mechanical hypersensitivity in the CPNI rats injected with AAVolig001-PZ1shRNA was mitigated, compared to rats subjected with AAVolig001-scramble. Selective in vivo Schwann cell transduction and functional block of Piezo1 channel activity of primary cultured Schwann cells was confirmed. Together, our data demonstrate that 1) AAVolig001 has unique and selective primary tropism to Schwann cells via intrasciatic delivery and 2) Schwann cell Piezo1 contributes to mechanical hypersensitivity following nerve injury.
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Zhou Z, Martinac B. Mechanisms of PIEZO Channel Inactivation. Int J Mol Sci 2023; 24:14113. [PMID: 37762415 PMCID: PMC10531961 DOI: 10.3390/ijms241814113] [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: 08/12/2023] [Revised: 09/01/2023] [Accepted: 09/02/2023] [Indexed: 09/29/2023] Open
Abstract
PIEZO channels PIEZO1 and PIEZO2 are the newly identified mechanosensitive, non-selective cation channels permeable to Ca2+. In higher vertebrates, PIEZO1 is expressed ubiquitously in most tissues and cells while PIEZO2 is expressed more specifically in the peripheral sensory neurons. PIEZO channels contribute to a wide range of biological behaviors and developmental processes, therefore driving significant attention in the effort to understand their molecular properties. One prominent property of PIEZO channels is their rapid inactivation, which manifests itself as a decrease in channel open probability in the presence of a sustained mechanical stimulus. The lack of the PIEZO channel inactivation is linked to various mechanopathologies emphasizing the significance of studying this PIEZO channel property and the factors affecting it. In the present review, we discuss the mechanisms underlying the PIEZO channel inactivation, its modulation by the interaction of the channels with lipids and/or proteins, and how the changes in PIEZO inactivation by the channel mutations can cause a variety of diseases in animals and humans.
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Affiliation(s)
- Zijing Zhou
- Victor Chang Cardiac Research Institute, Lowy Packer Building, Darlinghurst, NSW 2010, Australia;
| | - Boris Martinac
- Victor Chang Cardiac Research Institute, Lowy Packer Building, Darlinghurst, NSW 2010, Australia;
- St Vincent’s Clinical School, University of New South Wales, Darlinghurst, NSW 2010, Australia
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Jin Y, Mao Y, Chen D, Tai Y, Hu R, Yang CL, Zhou J, Chen L, Liu X, Gu E, Jia C, Zhang Z, Tao W. Thalamocortical circuits drive remifentanil-induced postoperative hyperalgesia. J Clin Invest 2022; 132:158742. [PMID: 36519547 PMCID: PMC9754001 DOI: 10.1172/jci158742] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Accepted: 10/18/2022] [Indexed: 12/15/2022] Open
Abstract
Remifentanil-induced hyperalgesia (RIH) is a severe but common postoperative clinical problem with elusive underlying neural mechanisms. Here, we discovered that glutamatergic neurons in the thalamic ventral posterolateral nucleus (VPLGlu) exhibited significantly elevated burst firing accompanied by upregulation of Cav3.1 T-type calcium channel expression and function in RIH model mice. In addition, we identified a glutamatergic neuronal thalamocortical circuit in the VPL projecting to hindlimb primary somatosensory cortex glutamatergic neurons (S1HLGlu) that mediated RIH. In vivo calcium imaging and multi-tetrode recordings revealed heightened S1HLGlu neuronal activity during RIH. Moreover, preoperative suppression of Cav3.1-dependent burst firing in VPLGlu neurons or chemogenetic inhibition of VPLGlu neuronal terminals in the S1HL abolished the increased S1HLGlu neuronal excitability while alleviating RIH. Our findings suggest that remifentanil induces postoperative hyperalgesia by upregulating T-type calcium channel-dependent burst firing in VPLGlu neurons to activate S1HLGlu neurons, thus revealing an ion channel-mediated neural circuit basis for RIH that can guide analgesic development.
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Affiliation(s)
- Yan Jin
- Stroke Center and Department of Neurology and,Department of Anesthesiology and Pain Medicine, The First Affiliated Hospital of University of Science and Technology of China (USTC), Division of Life Sciences and Medicine, USTC, Hefei, China
| | - Yu Mao
- Stroke Center and Department of Neurology and,Department of Anesthesiology, The First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Danyang Chen
- Department of Anesthesiology and Pain Medicine, The First Affiliated Hospital of University of Science and Technology of China (USTC), Division of Life Sciences and Medicine, USTC, Hefei, China
| | - Yingju Tai
- Department of Anesthesiology and Pain Medicine, The First Affiliated Hospital of University of Science and Technology of China (USTC), Division of Life Sciences and Medicine, USTC, Hefei, China
| | - Rui Hu
- Department of Anesthesiology, The Third Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Chen-Ling Yang
- Department of Physiology, School of Basic Medical Sciences, Anhui Medical University, Hefei, China
| | - Jing Zhou
- Department of head, neck, and breast Surgery, Western district of the First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, USTC, Hefei, China
| | - Lijian Chen
- Department of Anesthesiology, The First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Xuesheng Liu
- Department of Anesthesiology, The First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Erwei Gu
- Department of Anesthesiology, The First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Chunhui Jia
- Department of Anesthesiology and Pain Medicine, The First Affiliated Hospital of University of Science and Technology of China (USTC), Division of Life Sciences and Medicine, USTC, Hefei, China
| | - Zhi Zhang
- Department of Anesthesiology and Pain Medicine, The First Affiliated Hospital of University of Science and Technology of China (USTC), Division of Life Sciences and Medicine, USTC, Hefei, China
| | - Wenjuan Tao
- Stroke Center and Department of Neurology and,Department of Physiology, School of Basic Medical Sciences, Anhui Medical University, Hefei, China
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Zhang X, Liu H, Wang H, Zhao R, Lu Q, Liu Y, Han Y, LuluRen, Pan H, Han W. B3galt5 deficiency attenuates hepatocellular carcinoma by suppressing mTOR/p70s6k-mediated glycolysis. Cell Mol Life Sci 2022; 80:8. [PMID: 36495345 PMCID: PMC11072394 DOI: 10.1007/s00018-022-04601-x] [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: 11/02/2021] [Revised: 10/12/2022] [Accepted: 10/14/2022] [Indexed: 12/13/2022]
Abstract
Hepatocellular carcinoma (HCC) is one of the most common malignancies with high morbidity and mortality. Beta-1,3-galactosyltransferase 5 (b3galt5) plays crucial roles in protein glycosylation, but its function in HCC remains unclear. Here, we investigated the role and underlying mechanism of b3galt5 in HCC. We found that b3galt5 is highly expressed and associated with a poor prognosis in HCC patients. In vitro studies showed that b3galt5 promoted the proliferation and survival of HCC cells. We also demonstrated that b3galt5 deficiency suppressed hepatocarcinogenesis in DEN/TCPOBOP-induced HCC. Further investigation confirmed that b3galt5 promoted aerobic glycolysis in HCC. Mechanistically, b3galt5 promoted glycolysis by activating the mTOR/p70s6k pathway through O-linked glycosylation modification on mTOR. Moreover, p70s6k inhibition reduced the expression of key glycolytic enzymes and the glycolysis rate in b3galt5-overexpressing cells. Our study uncovers a novel mechanism by which b3galt5 mediates glycolysis in HCC and highlights the b3galt5-mTOR/p70s6k axis as a potential target for HCC therapy.
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Affiliation(s)
- Xiaoling Zhang
- Department of Medical Oncology, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, 3# East Qingchun Road, Hangzhou, 310016, Zhejiang, China
- Department of Medical Oncology, Hangzhou First People's Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
| | - Hao Liu
- Department of Medical Oncology, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, 3# East Qingchun Road, Hangzhou, 310016, Zhejiang, China
- Laboratory of Cancer Biology, Institute of Clinical Science, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
| | - Haidong Wang
- Department of Medical Oncology, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, 3# East Qingchun Road, Hangzhou, 310016, Zhejiang, China
| | - Rongjie Zhao
- Department of Medical Oncology, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, 3# East Qingchun Road, Hangzhou, 310016, Zhejiang, China
| | - Qian Lu
- Department of Medical Oncology, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, 3# East Qingchun Road, Hangzhou, 310016, Zhejiang, China
| | - Yunlong Liu
- Department of Medical Oncology, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, 3# East Qingchun Road, Hangzhou, 310016, Zhejiang, China
- Laboratory of Cancer Biology, Institute of Clinical Science, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China
| | - Yicheng Han
- Department of Medical Oncology, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, 3# East Qingchun Road, Hangzhou, 310016, Zhejiang, China
| | - LuluRen
- Department of Medical Oncology, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, 3# East Qingchun Road, Hangzhou, 310016, Zhejiang, China
| | - Hongming Pan
- Department of Medical Oncology, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, 3# East Qingchun Road, Hangzhou, 310016, Zhejiang, China.
| | - Weidong Han
- Department of Medical Oncology, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, 3# East Qingchun Road, Hangzhou, 310016, Zhejiang, China.
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10
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Advances and recent insights into the gating mechanisms of the mechanically-activated ion channels PIEZO1 and PIEZO2. CURRENT OPINION IN PHYSIOLOGY 2022. [DOI: 10.1016/j.cophys.2022.100625] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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11
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Yao M, Tijore A, Cheng D, Li JV, Hariharan A, Martinac B, Tran Van Nhieu G, Cox CD, Sheetz M. Force- and cell state-dependent recruitment of Piezo1 drives focal adhesion dynamics and calcium entry. SCIENCE ADVANCES 2022; 8:eabo1461. [PMID: 36351022 PMCID: PMC9645726 DOI: 10.1126/sciadv.abo1461] [Citation(s) in RCA: 38] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Accepted: 09/21/2022] [Indexed: 11/11/2022]
Abstract
Mechanosensing is an integral part of many physiological processes including stem cell differentiation, fibrosis, and cancer progression. Two major mechanosensing systems-focal adhesions and mechanosensitive ion channels-can convert mechanical features of the microenvironment into biochemical signals. We report here unexpectedly that the mechanosensitive calcium-permeable channel Piezo1, previously perceived to be diffusive on plasma membranes, binds to matrix adhesions in a force-dependent manner, promoting cell spreading, adhesion dynamics, and calcium entry in normal but not in most cancer cells tested except some glioblastoma lines. A linker domain in Piezo1 is needed for binding to adhesions, and overexpression of the domain blocks Piezo1 binding to adhesions, decreasing adhesion size and cell spread area. Thus, we suggest that Piezo1 is a previously unidentified component of focal adhesions in nontransformed cells that catalyzes adhesion maturation and growth through force-dependent calcium signaling, but this function is absent in most cancer cells.
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Affiliation(s)
- Mingxi Yao
- Department of Biomedical Engineering, Southern University of Science and Technology, Shenzhen 518055, China
- Guangdong Provincial Key Laboratory of Advanced Biomaterials, Southern University of Science and Technology, Shenzhen 518055, China
- Mechanobiology Institute, National University of Singapore, Singapore 117411
- Corresponding author. (M.Y); (C.C.); (M.S.)
| | - Ajay Tijore
- Mechanobiology Institute, National University of Singapore, Singapore 117411
- Center for Biosystems Science and Engineering, Indian Institute of Science, Bangalore 560012, India
| | - Delfine Cheng
- Victor Chang Cardiac Research Institute, Sydney NSW 2010, Australia
| | - Jinyuan Vero Li
- Victor Chang Cardiac Research Institute, Sydney NSW 2010, Australia
| | - Anushya Hariharan
- Mechanobiology Institute, National University of Singapore, Singapore 117411
| | - Boris Martinac
- Victor Chang Cardiac Research Institute, Sydney NSW 2010, Australia
| | - Guy Tran Van Nhieu
- Ecole Normale Supérieure Paris-Saclay Gif-sur-Yvette, France
- Team Ca Signaling and Microbial Infections, Institute for Integrative Biology of the Cell–CNRS UMR9198–Inserm U1280, 1, Avenue de la Terrasse, 91190 Gif-sur-Yvette, France
| | - Charles D. Cox
- Victor Chang Cardiac Research Institute, Sydney NSW 2010, Australia
- Corresponding author. (M.Y); (C.C.); (M.S.)
| | - Michael Sheetz
- Mechanobiology Institute, National University of Singapore, Singapore 117411
- Department of Biological Sciences, National University of Singapore, Singapore 117558
- Molecular MechanoMedicine Program, Department of Biochemistry and Molecular Biology, University of Texas Medical Branch, Galveston, TX, USA
- Corresponding author. (M.Y); (C.C.); (M.S.)
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Martinac B, Kung C. The force-from-lipid principle and its origin, a ‘ what is true for E. coli is true for the elephant’ refrain. J Neurogenet 2022; 36:44-54. [DOI: 10.1080/01677063.2022.2097674] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Boris Martinac
- Molecular Cardiology and Biophysics Division, Victor Chang Cardiac Research Institute, Sydney, Australia
- School of Clinical Medicine, UNSW Medicine & Health, St Vincent's Healthcare Clinical Campus, Faculty of Medicine and Health, University of New South Wales, Sydney, Australia
| | - Ching Kung
- Laboratory of Molecular Biology and the Department of Genetics, University of Wisconsin–Madison, Madison, WI, USA
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13
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Chuang YC, Chen CC. Force From Filaments: The Role of the Cytoskeleton and Extracellular Matrix in the Gating of Mechanosensitive Channels. Front Cell Dev Biol 2022; 10:886048. [PMID: 35586339 PMCID: PMC9108448 DOI: 10.3389/fcell.2022.886048] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Accepted: 04/19/2022] [Indexed: 01/16/2023] Open
Abstract
The senses of proprioception, touch, hearing, and blood pressure on mechanosensitive ion channels that transduce mechanical stimuli with high sensitivity and speed. This conversion process is usually called mechanotransduction. From nematode MEC-4/10 to mammalian PIEZO1/2, mechanosensitive ion channels have evolved into several protein families that use variant gating models to convert different forms of mechanical force into electrical signals. In addition to the model of channel gating by stretching from lipid bilayers, another potent model is the opening of channels by force tethering: a membrane-bound channel is elastically tethered directly or indirectly between the cytoskeleton and the extracellular molecules, and the tethering molecules convey force to change the channel structure into an activation form. In general, the mechanical stimulation forces the extracellular structure to move relative to the cytoskeleton, deforming the most compliant component in the system that serves as a gating spring. Here we review recent studies focusing on the ion channel mechanically activated by a tethering force, the mechanotransduction-involved cytoskeletal protein, and the extracellular matrix. The mechanosensitive channel PIEZO2, DEG/ENaC family proteins such as acid-sensing ion channels, and transient receptor potential family members such as NompC are discussed. State-of-the-art techniques, such as polydimethylsiloxane indentation, the pillar array, and micropipette-guided ultrasound stimulation, which are beneficial tools for exploring the tether model, are also discussed.
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Affiliation(s)
- Yu-Chia Chuang
- Institute of Biomedical Sciences, Academia Sinica, Taipei, Taiwan
| | - Chih-Cheng Chen
- Institute of Biomedical Sciences, Academia Sinica, Taipei, Taiwan
- Neuroscience Program of Academia Sinica, Academia Sinica, Taipei, Taiwan
- Taiwan Mouse Clinic, BioTReC, Academia Sinica, Taipei, Taiwan
- *Correspondence: Chih-Cheng Chen,
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14
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Blei F. Update December 2021. Lymphat Res Biol 2021; 19:585-624. [PMID: 34958250 DOI: 10.1089/lrb.2021.29113.fb] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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15
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Zhou Z, Li JV, Martinac B, Cox CD. Loss-of-Function Piezo1 Mutations Display Altered Stability Driven by Ubiquitination and Proteasomal Degradation. Front Pharmacol 2021; 12:766416. [PMID: 34867393 PMCID: PMC8640252 DOI: 10.3389/fphar.2021.766416] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2021] [Accepted: 11/03/2021] [Indexed: 01/02/2023] Open
Abstract
Missense mutations in the gene that encodes for the mechanically-gated ion channel Piezo1 have been linked to a number of diseases. Gain-of-function variants are linked to a hereditary anaemia and loss-of-function variants have been linked to generalized lymphatic dysplasia and bicuspid aortic valve. Two previously characterized mutations, S217L and G2029R, both exhibit reduced plasma membrane trafficking. Here we show that both mutations also display reduced stability and higher turnover rates than wild-type Piezo1 channels. This occurs through increased ubiquitination and subsequent proteasomal degradation. Congruent with this, proteasome inhibition using N-acetyl-l-leucyl-l-leucyl-l-norleucinal (ALLN) reduced the degradation of both mutant proteins. While ALLN treatment could not rescue the function of S217L we show via multiple complementary methodologies that proteasome inhibition via ALLN treatment can not only prevent G2029R turnover but increase the membrane localized pool of this variant and the functional Piezo1 mechanosensitive currents. This data in combination with a precision medicine approach provides a new potential therapeutic avenue for the treatment of Piezo1 mediated channelopathies.
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Affiliation(s)
- Zijing Zhou
- Molecular Cardiology and Biophysics Division, Victor Chang Cardiac Research Institute, Sydney, NSW, Australia
| | - Jinyuan Vero Li
- Molecular Cardiology and Biophysics Division, Victor Chang Cardiac Research Institute, Sydney, NSW, Australia
| | - Boris Martinac
- Molecular Cardiology and Biophysics Division, Victor Chang Cardiac Research Institute, Sydney, NSW, Australia.,St. Vincent's Clinical School, Faculty of Medicine, University of New South Wales, Sydney, NSW, Australia
| | - Charles D Cox
- Molecular Cardiology and Biophysics Division, Victor Chang Cardiac Research Institute, Sydney, NSW, Australia.,St. Vincent's Clinical School, Faculty of Medicine, University of New South Wales, Sydney, NSW, Australia
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16
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Olfactory Receptor OR7A17 Expression Correlates with All- Trans Retinoic Acid (ATRA)-Induced Suppression of Proliferation in Human Keratinocyte Cells. Int J Mol Sci 2021; 22:ijms222212304. [PMID: 34830183 PMCID: PMC8623719 DOI: 10.3390/ijms222212304] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2021] [Revised: 11/11/2021] [Accepted: 11/12/2021] [Indexed: 11/17/2022] Open
Abstract
Olfactory receptors (ORs), which belong to the G-protein-coupled receptor family, have been widely studied as ectopically expressed receptors in various human tissues, including the skin. However, the physiological functions of only a few OR types have been elucidated in skin cells. All-trans retinoic acid (ATRA) is a well-known medication for various skin diseases. However, many studies have shown that ATRA can have adverse effects, resulting from the suppression of cell proliferation. Here, we investigated the involvement of OR7A17 in the ATRA-induced suppression of human keratinocyte (HaCaT) proliferation. We demonstrated that OR7A17 is expressed in HaCaT keratinocytes, and its expression was downregulated by ATRA. The ATRA-induced downregulation of OR7A17 was attenuated via RAR α or RAR γ antagonist treatment, indicating that the effects of ATRA on OR7A17 expression were mediated through nuclear retinoic acid receptor signaling. Moreover, we found that the overexpression of OR7A17 induced the proliferation of HaCaT cells while counteracting the antiproliferative effect of ATRA. Mechanistically, OR7A17 overexpression reversed the ATRA-induced attenuation of Ca2+ entry. Our findings indicated that ATRA suppresses cell proliferation through the downregulation of OR7A17 via RAR α- and γ-mediated retinoid signaling. Taken together, OR7A17 is a potential therapeutic target for ameliorating the anti-proliferative effects of ATRA.
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Serrano M. Stroke-Like Episodes in PMM2-CDG: When the Lack of Other Evidence Is the Only Evidence. Front Pediatr 2021; 9:717864. [PMID: 34708008 PMCID: PMC8542667 DOI: 10.3389/fped.2021.717864] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Accepted: 09/17/2021] [Indexed: 12/20/2022] Open
Abstract
Phosphomannomutase 2 deficiency (PMM2-CDG) is the most frequent congenital disorder of glycosylation. PMM2-CDG patients develop chronic cerebellar atrophy as a neurological hallmark. However, other acute neurological phenomena such as stroke-like episodes (SLE), epilepsy, migraine, and cerebrovascular events, may also occur, and they are frequently the cause of disability and impaired quality of life. Among these, SLE are among the most stressful situations for families and doctors, as their risk factors are not known, their underlying pathomechanisms remain undiscovered, and clinical guidelines for diagnosis, prevention, and treatment are lacking. In this paper, the recent SLE experiences of two PMM2-CDG patients are examined to provide clinical clues to help improve diagnosis through a clinical constellation of symptoms and a clinical definition, but also to support a neuroelectrical hypothesis as an underlying mechanism. An up-to-date literature review will help to identify evidence-based and non-evidence-based management recommendations. Presently neuropediatricians and neurologists are not capable of diagnosing stroke-like episodes in an unequivocal way, so there is still a need to perform invasive studies (to rule out other acute diseases) that may, in the end, prove unnecessary or even harmful. However, reaching a correct and early diagnosis would lead not only to avoidance of invasive tests but also to better recognition, management, and understanding of the disease itself. There is a great need for understanding of SLE that may ultimately be very informative for the detection of patients at risk, and the future development of preventive and management measures.
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Affiliation(s)
- Mercedes Serrano
- Department of Neuropediatric, Institut de Recerca Hospital Sant Joan de Déu, Barcelona, Spain.,U-703 Center for Biomedical Research on Rare Diseases (CIBER-ER), Hospital Sant Joan de Déu, Instituto de Salud Carlos III, Barcelona, Spain
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