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Yang B, Ma D, Zhu X, Wu Z, An Q, Zhao J, Gao X, Zhang L. Roles of TRP and PIEZO receptors in autoimmune diseases. Expert Rev Mol Med 2024; 26:e10. [PMID: 38659380 DOI: 10.1017/erm.2023.23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/26/2024]
Abstract
Autoimmune diseases are pathological autoimmune reactions in the body caused by various factors, which can lead to tissue damage and organ dysfunction. They can be divided into organ-specific and systemic autoimmune diseases. These diseases usually involve various body systems, including the blood, muscles, bones, joints and soft tissues. The transient receptor potential (TRP) and PIEZO receptors, which resulted in David Julius and Ardem Patapoutian winning the Nobel Prize in Physiology or Medicine in 2021, attracted people's attention. Most current studies on TRP and PIEZO receptors in autoimmune diseases have been carried out on animal model, only few clinical studies have been conducted. Therefore, this study aimed to review existing studies on TRP and PIEZO to understand the roles of these receptors in autoimmune diseases, which may help elucidate novel treatment strategies.
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Affiliation(s)
- Baoqi Yang
- Third Hospital of Shanxi Medical University, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Tongji Shanxi Hospital, Taiyuan 030032, China
| | - Dan Ma
- Third Hospital of Shanxi Medical University, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Tongji Shanxi Hospital, Taiyuan 030032, China
| | - Xueqing Zhu
- Third Hospital of Shanxi Medical University, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Tongji Shanxi Hospital, Taiyuan 030032, China
| | - Zewen Wu
- Third Hospital of Shanxi Medical University, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Tongji Shanxi Hospital, Taiyuan 030032, China
| | - Qi An
- Third Hospital of Shanxi Medical University, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Tongji Shanxi Hospital, Taiyuan 030032, China
| | - Jingwen Zhao
- Third Hospital of Shanxi Medical University, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Tongji Shanxi Hospital, Taiyuan 030032, China
| | - Xinnan Gao
- Third Hospital of Shanxi Medical University, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Tongji Shanxi Hospital, Taiyuan 030032, China
| | - Liyun Zhang
- Third Hospital of Shanxi Medical University, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Tongji Shanxi Hospital, Taiyuan 030032, China
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Poole RA, Wang Q, Ray A, Takabe K, Opyrchal M, Katsuta E. Increased PIEZO1 Expression Is Associated with Worse Clinical Outcomes in Hormone-Receptor-Negative Breast Cancer Patients. Cancers (Basel) 2024; 16:683. [PMID: 38398074 PMCID: PMC10887014 DOI: 10.3390/cancers16040683] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2023] [Revised: 01/29/2024] [Accepted: 02/01/2024] [Indexed: 02/25/2024] Open
Abstract
PIEZO1 plays a crucial role in the human body as a mechanosensory ion channel. It has been demonstrated that PIEZO1 is important in tissue development and regulating many essential physiological processes. Studies have suggested that the PIEZO1 ion channel plays a role in invasion and progression in cancer; elevated levels of PIEZO1 have been correlated with increased migration in breast cancer cells, chemo-resistance and invasion in gastric cancer cells, and increased invasion of osteosarcoma cells. In addition, high PIEZO1 expression levels were correlated with a worse prognosis in glioma patients. On the other hand, studies in lung cancer have attributed high PIEZO1 levels to better patient outcomes. However, the clinical impact of PIEZO1 in breast cancer is not well characterized. Therefore, our goal was to determine the clinical relevance of PIEZO1 in breast cancer. An analysis of breast cancer data from The Cancer Genome Atlas (TCGA) was conducted to investigate PIEZO1 expression levels and correlation to survival, followed by validation in an independent dataset, GSE3494. We also performed gene set enrichment analysis (GSEA) and pathway enrichment analysis. We also analyzed the immune cell composition in breast tumors from TCGA through a CIBERSORT algorithm. Our results demonstrated that the PIEZO1 expression levels are higher in hormone-receptor (HR)-negative than in HR-positive cohorts. High PIEZO1 expression is correlated with a significant decrease in survival in HR-negative cohorts, especially in triple-negative breast cancer (TNBC), suggesting that PIEZO1 could be utilized as a prognostic biomarker in HR-negative breast cancer. GSEA showed that various signaling pathways associated with more invasive phenotypes and resistance to treatments, including epithelial-mesenchymal transition (EMT), hypoxia, and multiple signaling pathways, are enriched in high-PIEZO1 HR-negative tumors. Our results also demonstrated a decrease in CD8+ and CD4+ T cell infiltration in high-PIEZO1 HR-negative tumors. Further investigations are necessary to elucidate the mechanistic roles of PIEZO1 in HR-negative breast cancer.
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Affiliation(s)
- Rylee Ann Poole
- Division of Hematology/Oncology, Indiana University, Indianapolis, IN 46202, USA; (R.A.P.)
| | - Qingfei Wang
- Division of Hematology/Oncology, Indiana University, Indianapolis, IN 46202, USA; (R.A.P.)
- Indiana University Melvin and Bren Simon Comprehensive Cancer Center, Indianapolis, IN 46202, USA
| | - Alo Ray
- Division of Hematology/Oncology, Indiana University, Indianapolis, IN 46202, USA; (R.A.P.)
- Indiana University Melvin and Bren Simon Comprehensive Cancer Center, Indianapolis, IN 46202, USA
| | - Kazuaki Takabe
- Department of Surgical Oncology, Roswell Park Comprehensive Cancer Center, Buffalo, NY 14203, USA
| | - Mateusz Opyrchal
- Division of Hematology/Oncology, Indiana University, Indianapolis, IN 46202, USA; (R.A.P.)
- Indiana University Melvin and Bren Simon Comprehensive Cancer Center, Indianapolis, IN 46202, USA
| | - Eriko Katsuta
- Department of Surgical Oncology, Roswell Park Comprehensive Cancer Center, Buffalo, NY 14203, USA
- Department of Oncology, Graduate School of Medicine, Yokohama City University, Yokohama 236-0004, Japan
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Zander-Fox D, Green M, Watson K, Turner R, Bakos HW, Foo J, Pacella-Ince L, Caddy M, McPherson NO, Rombauts L. Improved fertilization, degeneration, and embryo quality rates with PIEZO-intracytoplasmic sperm injection compared with conventional intracytoplasmic sperm injection: a sibling oocyte split multicenter trial. Fertil Steril 2024:S0015-0282(24)00031-1. [PMID: 38272382 DOI: 10.1016/j.fertnstert.2024.01.028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Revised: 12/20/2023] [Accepted: 01/17/2024] [Indexed: 01/27/2024]
Abstract
OBJECTIVE To investigate whether PIEZO-intracytoplasmic sperm injection (PIEZO-ICSI) increases the fertilization rate, decreases the degeneration rate, and increases the utilization rate per oocyte injected compared with conventional intracytoplasmic sperm injection (ICSI). DESIGN Sibling oocyte split multicenter trial. SETTING Fertility clinics. PATIENTS Women with a diagnosis of infertility who used ICSI as their method of insemination and had ≥6 mature oocytes for injection. INTERVENTIONS Participants had their mature oocyte cohort divided, where half were injected using conventional ICSI and the other half were injected using PIEZO-ICSI. For patients with an uneven oocyte number, the extra oocyte was injected using conventional ICSI. The injection technique used first was also randomized to ensure that there was no bias due to order of injection. MAIN OUTCOME MEASURE The primary outcome measure was the fertilization rate after injection. RESULTS A total of 108 patients underwent a sibling split use of conventional ICSI and PIEZO-ICSI. The fertilization rate was 71.6% in PIEZO-ICSI, which significantly increased compared with that in conventional ICSI 65.6%. In addition, the oocyte degeneration rate decreased in PIEZO-ICSI compared with that in conventional ICSI (6.3% vs. 12.1% respectively), and the blastocyst quality increased, as measured by the number of grade A and B quality blastocysts present on day 5 of development (33.3% vs. 27.5%). No significant differences in the aneuploidy or utilization rate, clinical pregnancy, or live birth outcome after single embryo transfer were noted between the two injection techniques. CONCLUSIONS This trial supports the possibility that PIEZO-ICSI increases the fertilization rates, decreases the oocyte degeneration rates, and increases the blastocyst quality compared with conventional ICSI; however, it does not appear to influence the clinical pregnancy or live birth rate per transfer. CLINICIAN TRIAL REGISTRATION NUMBER Australian and New Zealand Clinical Trial Registry ACTRN12620000407998.
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Affiliation(s)
- Deirdre Zander-Fox
- Monash IVF Group, Melbourne, Victoria, Australia; School of Biomedicine, University of Adelaide, Adelaide, South Australia, Australia; Biomedicine Discovery Institute, Monash University, Melbourne, Victoria, Australia.
| | - Mark Green
- Monash IVF Group, Melbourne, Victoria, Australia; School of BioSciences, University of Melbourne, Melbourne, Victoria, Australia
| | - Kate Watson
- Monash IVF Group, Melbourne, Victoria, Australia
| | - Ross Turner
- Monash IVF Group, Melbourne, Victoria, Australia
| | - Hassan W Bakos
- Monash IVF Group, Melbourne, Victoria, Australia; School of Environmental and Life Sciences, College of Engineering, Science and Environment, University of Newcastle, Newcastle, New South Wales
| | - Jinny Foo
- Monash IVF Group, Melbourne, Victoria, Australia
| | - Leanne Pacella-Ince
- Monash IVF Group, Melbourne, Victoria, Australia; School of Biomedicine, University of Adelaide, Adelaide, South Australia, Australia
| | | | - Nicole O McPherson
- Monash IVF Group, Melbourne, Victoria, Australia; School of Biomedicine, University of Adelaide, Adelaide, South Australia, Australia; Freemasons Centre for Male Health and Wellbeing, University of Adelaide, Adelaide, South Australia, Australia
| | - Luk Rombauts
- Monash IVF Group, Melbourne, Victoria, Australia; Biomedicine Discovery Institute, Monash University, Melbourne, Victoria, Australia
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Qu M, Zhao X, Wang Q, Xu X, Chen H, Wang Y. PIEZO mediates a protective mechanism for nematode Caenorhabditis elegans in response to nanoplastics caused dopaminergic neurotoxicity at environmentally relevant concentrations. Ecotoxicol Environ Saf 2024; 269:115738. [PMID: 38056120 DOI: 10.1016/j.ecoenv.2023.115738] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/26/2023] [Revised: 11/19/2023] [Accepted: 11/22/2023] [Indexed: 12/08/2023]
Abstract
Studies have probed nanoplastic toxicity on environmental organisms, but the regulatory role of animal PIEZO-type mechanosensitive ion channel component (PIEZO) remains unclear. Herein, we identified the sole PIEZO in Caenorhabditis elegans (C. elegans), utilizing amino acid homology analysis and Trans-Membrane prediction using Hidden Markov Models (TMHMM). In C. elegans, RNAi knockdown of pezo-1 had no impact on lifespan, body length, lethality, locomotion behaviors, or oxidative response (P > 0.05). However, exposure to 15 μg/L nanopolystyrene in the pezo-1 RNAi group resulted in severe locomotion changes: head trashes (P < 0.01), body bends (P < 0.05), forward turns (P < 0.05), backward turns (P < 0.01), and impaired sensory perception, including abnormal chemotaxis to NaCl (P < 0.01) and diacetyl (P < 0.01), as well as aversive responses (P < 0.05) to nanopolystyrene compared to the wild-type group. Dopaminergic neuron damage explains these behaviors, with GST-4 (P < 0.01) and SKN-1/Nrf2 (P < 0.01) activation mitigating nanoplastic-induced damage. Our results emphasize that even at the environmentally relevant concentrations (ERC), nanoplastics can impact neurotoxicity-related endpoints, with PIEZO mediating the regulation of oxidative and antioxidative systems in response to these effects. PIEZO may be applied for assessing the neurotoxicity or oxidative stress induced by other environmental toxicants besides nanoplastics.
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Affiliation(s)
- Man Qu
- School of Public Health, Yangzhou University, Yangzhou 225000, China
| | - Xiao Zhao
- School of Public Health, Yangzhou University, Yangzhou 225000, China
| | - Qingao Wang
- School of Public Health, Yangzhou University, Yangzhou 225000, China
| | - Xuan Xu
- School of Public Health, Yangzhou University, Yangzhou 225000, China
| | - He Chen
- Institutes of Physical Science and Information Technology, Anhui University, Hefei 230000, China
| | - Yang Wang
- Yangzhou Hospital of Traditional Chinese Medicine Affiliated to the School of Clinical Chinese Medicine, Yangzhou University, Yangzhou 225000, China.
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Bai X, Golden A. Transmembrane protein 120A (TMEM-120A/TACAN) coordinates with PIEZO channel during Caenorhabditis elegans reproductive regulation. G3 (Bethesda) 2023; 14:jkad251. [PMID: 38051962 PMCID: PMC10755168 DOI: 10.1093/g3journal/jkad251] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/10/2023] [Accepted: 10/22/2023] [Indexed: 12/07/2023]
Abstract
Membrane protein TMEM120A (also known as TACAN) was presumed to be both a mechanically activated molecule and a lipid-modifying enzyme. TMEM120A has been identified as a negative regulator of the essential excitatory mechanosensitive protein PIEZO2. However, the extent to which TMEM120A mediates PIEZO2's activity during physiological processes remains largely unknown. In this study, we used the Caenorhabditis elegans reproductive tract to explore the functional contribution of tmem-120, the sole TMEM120A/B ortholog, and its genetic interaction with pezo-1 in vivo. tmem-120 was expressed throughout the C. elegans development, particularly in the germline, embryos, and spermatheca. A tmem-120 mutant with a full-length deletion (tmem-120Δ) displayed deformed germline, maternal sterility, and a reduced brood size. In vivo live imaging revealed that pinched zygotes were frequently observed in the uterus of tmem-120Δ mutant animals, suggesting damage during spermathecal contraction. We then employed the auxin-inducible degradation system to degrade TMEM-120 protein in all somatic tissues or the germline, both of which resulted in reduced brood sizes. These findings suggested that multiple inputs of tmem-120 from different tissues regulate reproduction. Lastly, the loss of tmem-120 alleviated the brood size reduction and defective sperm navigation behavior in the pezo-1Δ mutant. Overall, our findings reveal a role for tmem-120 in regulating reproductive physiology in C. elegans, and suggest an epistatic interaction between pezo-1 and tmem-120 when governing proper reproduction.
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Affiliation(s)
- Xiaofei Bai
- Department of Biology, University of Florida, Gainesville, FL 32610, USA
- Genetics Institute, University of Florida, Gainesville, FL 32610, USA
- National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, MD 20892, USA
| | - Andy Golden
- National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, MD 20892, USA
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Otero-Sobrino Á, Blanco-Carlón P, Navarro-Aguadero MÁ, Gallardo M, Martínez-López J, Velasco-Estévez M. Mechanosensitive Ion Channels: Their Physiological Importance and Potential Key Role in Cancer. Int J Mol Sci 2023; 24:13710. [PMID: 37762011 PMCID: PMC10530364 DOI: 10.3390/ijms241813710] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Revised: 08/30/2023] [Accepted: 09/01/2023] [Indexed: 09/29/2023] Open
Abstract
Mechanosensitive ion channels comprise a broad group of proteins that sense mechanical extracellular and intracellular changes, translating them into cation influx to adapt and respond to these physical cues. All cells in the organism are mechanosensitive, and these physical cues have proven to have an important role in regulating proliferation, cell fate and differentiation, migration and cellular stress, among other processes. Indeed, the mechanical properties of the extracellular matrix in cancer change drastically due to high cell proliferation and modification of extracellular protein secretion, suggesting an important contribution to tumor cell regulation. In this review, we describe the physiological significance of mechanosensitive ion channels, emphasizing their role in cancer and immunity, and providing compelling proof of the importance of continuing to explore their potential as new therapeutic targets in cancer research.
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Affiliation(s)
- Álvaro Otero-Sobrino
- H12O-CNIO Hematological Malignancies Clinical Research Unit, Centro Nacional de Investigaciones Oncologicas (CNIO), 28029 Madrid, Spain; (Á.O.-S.); (P.B.-C.); (M.Á.N.-A.); (M.G.); (J.M.-L.)
- Department of Hematology, Hospital Universitario 12 de Octubre, Instituto de Investigacion Sanitaria Hospital 12 de Octubre (imas12), 28041 Madrid, Spain
| | - Pablo Blanco-Carlón
- H12O-CNIO Hematological Malignancies Clinical Research Unit, Centro Nacional de Investigaciones Oncologicas (CNIO), 28029 Madrid, Spain; (Á.O.-S.); (P.B.-C.); (M.Á.N.-A.); (M.G.); (J.M.-L.)
- Department of Hematology, Hospital Universitario 12 de Octubre, Instituto de Investigacion Sanitaria Hospital 12 de Octubre (imas12), 28041 Madrid, Spain
| | - Miguel Ángel Navarro-Aguadero
- H12O-CNIO Hematological Malignancies Clinical Research Unit, Centro Nacional de Investigaciones Oncologicas (CNIO), 28029 Madrid, Spain; (Á.O.-S.); (P.B.-C.); (M.Á.N.-A.); (M.G.); (J.M.-L.)
- Department of Hematology, Hospital Universitario 12 de Octubre, Instituto de Investigacion Sanitaria Hospital 12 de Octubre (imas12), 28041 Madrid, Spain
| | - Miguel Gallardo
- H12O-CNIO Hematological Malignancies Clinical Research Unit, Centro Nacional de Investigaciones Oncologicas (CNIO), 28029 Madrid, Spain; (Á.O.-S.); (P.B.-C.); (M.Á.N.-A.); (M.G.); (J.M.-L.)
- Department of Hematology, Hospital Universitario 12 de Octubre, Instituto de Investigacion Sanitaria Hospital 12 de Octubre (imas12), 28041 Madrid, Spain
| | - Joaquín Martínez-López
- H12O-CNIO Hematological Malignancies Clinical Research Unit, Centro Nacional de Investigaciones Oncologicas (CNIO), 28029 Madrid, Spain; (Á.O.-S.); (P.B.-C.); (M.Á.N.-A.); (M.G.); (J.M.-L.)
- Department of Hematology, Hospital Universitario 12 de Octubre, Instituto de Investigacion Sanitaria Hospital 12 de Octubre (imas12), 28041 Madrid, Spain
- Department of Medicine, School of Medicine, Universidad Complutense de Madrid (UCM), 28040 Madrid, Spain
| | - María Velasco-Estévez
- H12O-CNIO Hematological Malignancies Clinical Research Unit, Centro Nacional de Investigaciones Oncologicas (CNIO), 28029 Madrid, Spain; (Á.O.-S.); (P.B.-C.); (M.Á.N.-A.); (M.G.); (J.M.-L.)
- Department of Hematology, Hospital Universitario 12 de Octubre, Instituto de Investigacion Sanitaria Hospital 12 de Octubre (imas12), 28041 Madrid, Spain
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Aresta Branco MSL, Gutierrez Cruz A, Borhani Peikani M, Mutafova-Yambolieva VN. Sensory Neurons, PIEZO Channels and PAC1 Receptors Regulate the Mechanosensitive Release of Soluble Ectonucleotidases in the Murine Urinary Bladder Lamina Propria. Int J Mol Sci 2023; 24:ijms24087322. [PMID: 37108490 PMCID: PMC10138949 DOI: 10.3390/ijms24087322] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Revised: 04/11/2023] [Accepted: 04/13/2023] [Indexed: 04/29/2023] Open
Abstract
The urinary bladder requires adequate concentrations of extracellular adenosine 5'-triphosphate (ATP) and other purines at receptor sites to function properly. Sequential dephosphorylation of ATP to ADP, AMP and adenosine (ADO) by membrane-bound and soluble ectonucleotidases (s-ENTDs) is essential for achieving suitable extracellular levels of purine mediators. S-ENTDs, in particular, are released in the bladder suburothelium/lamina propria (LP) in a mechanosensitive manner. Using 1,N6-etheno-ATP (eATP) as substrate and sensitive HPLC-FLD methodology, we evaluated the degradation of eATP to eADP, eAMP and eADO in solutions that were in contact with the LP of ex vivo mouse detrusor-free bladders during filling prior to substrate addition. The inhibition of neural activity with tetrodotoxin and ω-conotoxin GVIA, of PIEZO channels with GsMTx4 and D-GsMTx4 and of the pituitary adenylate cyclase-activating polypeptide type I receptor (PAC1) with PACAP6-38 all increased the distention-induced but not spontaneous release of s-ENTDs in LP. It is conceivable, therefore, that the activation of these mechanisms in response to distention restricts the further release of s-ENTDs and prevents excessive hydrolysis of ATP. Together, these data suggest that afferent neurons, PIEZO channels, PAC1 receptors and s-ENTDs form a system that operates a highly regulated homeostatic mechanism to maintain proper extracellular purine concentrations in the LP and ensure normal bladder excitability during bladder filling.
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Affiliation(s)
- Mafalda S L Aresta Branco
- Department of Physiology and Cell Biology, School of Medicine, University of Nevada, Reno, NV 89557, USA
| | - Alejandro Gutierrez Cruz
- Department of Physiology and Cell Biology, School of Medicine, University of Nevada, Reno, NV 89557, USA
| | - Mahsa Borhani Peikani
- Department of Physiology and Cell Biology, School of Medicine, University of Nevada, Reno, NV 89557, USA
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Caddy M, Popkiss S, Weston G, Vollenhoven B, Rombauts L, Green M, Zander-Fox D. PIEZO-ICSI increases fertilization rates compared with conventional ICSI in patients with poor prognosis. J Assist Reprod Genet 2023; 40:389-398. [PMID: 36586007 PMCID: PMC9935778 DOI: 10.1007/s10815-022-02701-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Accepted: 12/17/2022] [Indexed: 01/01/2023] Open
Abstract
PURPOSE Limited research has been published comparing PIEZO-ICSI with conventional ICSI. While positive effects have been documented in improving fertilization and degeneration, the outcomes in patients with previous poor results from conventional ICSI remain unclear. It is hypothesized that these patients may benefit the most from this form of insemination. METHODS This retrospective paired within-patient cohort study investigated patients (n=72) undertaking PIEZO-ICSI after a previous conventional ICSI cycle resulted in poor outcomes (including low fertilization (<50%), high degeneration (>15%), and/or poor embryo development and utilization). Patients required at least five oocytes collected in both cycles and a period of less than 2 years between the cycles. The outcomes of both cycles were compared in respect to fertilization, degeneration, embryo utilization, and pregnancy rates. Further analyses were applied to patients <38 and ≥38 years of age, with <50% or ≥50% fertilization with conventional ICSI and with <20% or ≥20% utilization with conventional ICSI. RESULTS PIEZO-ICSI resulted in significantly higher fertilization (61.9% vs 45.3%, P<0.0001) and lower degeneration (7.7% vs 18.2%, P=0.0001) when compared to the conventional ICSI cycles. The greatest benefit was seen in patients who had less than 50% fertilization or <20% utilization in their conventional ICSI cycle, with improvements in fertilization and degeneration rates resulting in a significantly higher number of embryos utilized (frozen or transferred) per cycle. CONCLUSIONS PIEZO-ICSI improved fertilization, degeneration, and utilization rates in patients with previous poor outcomes from conventional ICSI. The number of embryos available for use per cycle was also increased. Further significant improvements were achieved in patients who exhibited poor fertilization (<50%) or low utilization (<20%) from conventional ICSI.
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Affiliation(s)
- Melissa Caddy
- Monash IVF, Melbourne, Australia.
- Monash IVF Group, 252-256 Clayton Rd, Clayton, Victoria, 3168, Australia.
| | | | - Gareth Weston
- Monash IVF, Melbourne, Australia
- Monash Health, Melbourne, Australia
| | - Beverley Vollenhoven
- Monash IVF, Melbourne, Australia
- Monash Health, Melbourne, Australia
- Department of Obstetrics and Gynaecology, School of Clinical Science, Monash University, Melbourne, Australia
| | - Luk Rombauts
- Monash IVF, Melbourne, Australia
- Monash Health, Melbourne, Australia
- Department of Obstetrics and Gynaecology, School of Clinical Science, Monash University, Melbourne, Australia
| | - Mark Green
- Monash IVF, Melbourne, Australia
- School of BioSciences, University of Melbourne, Melbourne, Australia
| | - Deirdre Zander-Fox
- Monash IVF, Melbourne, Australia
- Department of Obstetrics and Gynaecology, School of Clinical Science, Monash University, Melbourne, Australia
- University of Adelaide, Adelaide, Australia
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Radin I, Richardson RA, Haswell ES. Moss PIEZO homologs have a conserved structure, are ubiquitously expressed, and do not affect general vacuole function. Plant Signal Behav 2022; 17:2015893. [PMID: 34951344 PMCID: PMC8920221 DOI: 10.1080/15592324.2021.2015893] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Revised: 12/04/2021] [Accepted: 12/04/2021] [Indexed: 06/14/2023]
Abstract
The PIEZO protein family was first described in animals where these mechanosensitive calcium channels perform numerous essential functions, including the perception of light touch, shear, and compressive forces. PIEZO homologs are present in most eukaryotic lineages and recently we reported that two PIEZO homologs from moss Physcomitrium patens localize to the vacuolar membrane and modulate its morphology in tip-growing caulonemal cells. Here we show that predicted structures of both PpPIEZO1 and PpPIEZO2 are very similar to that of mouse Piezo2. Furthermore, we show that both moss PIEZO genes are ubiquitously expressed in moss vegetative tissues and that they are not required for normal vacuolar pH or intracellular osmotic potential. These results suggest that moss PIEZO proteins are widely expressed mechanosensory calcium channels that serve a signaling rather than maintenance role in vacuoles.
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Affiliation(s)
- Ivan Radin
- Department of Biology, MSC 1137‐154‐314, Washington University, St. Louis, MO USA
- NSF Center for Engineering Mechanobiology
| | - Ryan A. Richardson
- Department of Biology, MSC 1137‐154‐314, Washington University, St. Louis, MO USA
- NSF Center for Engineering Mechanobiology
| | - Elizabeth S. Haswell
- Department of Biology, MSC 1137‐154‐314, Washington University, St. Louis, MO USA
- NSF Center for Engineering Mechanobiology
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Zhang X, Zhang S, Wang T. How the mechanical microenvironment of stem cell growth affects their differentiation: a review. Stem Cell Res Ther 2022; 13:415. [PMID: 35964140 PMCID: PMC9375355 DOI: 10.1186/s13287-022-03070-0] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2022] [Accepted: 07/20/2022] [Indexed: 12/18/2022] Open
Abstract
Stem cell differentiation is of great interest in medical research; however, specifically and effectively regulating stem cell differentiation is still a challenge. In addition to chemical factors, physical signals are an important component of the stem cell ecotone. The mechanical microenvironment of stem cells has a huge role in stem cell differentiation. Herein, we describe the knowledge accumulated to date on the mechanical environment in which stem cells exist, which consists of various factors, including the extracellular matrix and topology, substrate stiffness, shear stress, hydrostatic pressure, tension, and microgravity. We then detail the currently known signalling pathways that stem cells use to perceive the mechanical environment, including those involving nuclear factor-kB, the nicotinic acetylcholine receptor, the piezoelectric mechanosensitive ion channel, and hypoxia-inducible factor 1α. Using this information in clinical settings to treat diseases is the goal of this research, and we describe the progress that has been made. In this review, we examined the effects of mechanical factors in the stem cell growth microenvironment on stem cell differentiation, how mechanical signals are transmitted to and function within the cell, and the influence of mechanical factors on the use of stem cells in clinical applications.
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Affiliation(s)
- Xiaofang Zhang
- Department of Radiotherapy, Cancer Hospital of China Medical University, Liaoning Cancer Hospital and Institute, Shenyang, China
| | - Sibo Zhang
- China Medical University, Shenyang, China
| | - Tianlu Wang
- Department of Radiotherapy, Cancer Hospital of China Medical University, Liaoning Cancer Hospital and Institute, Shenyang, China.
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11
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Hughes K, Shah A, Bai X, Adams J, Bauer R, Jackson J, Harris E, Ficca A, Freebairn P, Mohammed S, Fernández EM, Bainbridge C, Brocco M, Stein W, Vidal-Gadea AG. Distinct mechanoreceptor pezo-1 isoforms modulate food intake in the nematode Caenorhabditis elegans. G3 (Bethesda) 2022; 12:jkab429. [PMID: 35100363 PMCID: PMC9210275 DOI: 10.1093/g3journal/jkab429] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Accepted: 12/08/2021] [Indexed: 11/13/2022]
Abstract
Two PIEZO mechanosensitive cation channels, PIEZO1 and PIEZO2, have been identified in mammals, where they are involved in numerous sensory processes. While structurally similar, PIEZO channels are expressed in distinct tissues and exhibit unique properties. How different PIEZOs transduce force, how their transduction mechanism varies, and how their unique properties match the functional needs of the tissues they are expressed in remain all-important unanswered questions. The nematode Caenorhabditis elegans has a single PIEZO ortholog (pezo-1) predicted to have 12 isoforms. These isoforms share many transmembrane domains but differ in those that distinguish PIEZO1 and PIEZO2 in mammals. We used transcriptional and translational reporters to show that putative promoter sequences immediately upstream of the start codon of long pezo-1 isoforms predominantly drive green fluorescent protein (GFP) expression in mesodermally derived tissues (such as muscle and glands). In contrast, sequences upstream of shorter pezo-1 isoforms resulted in GFP expression primarily in neurons. Putative promoters upstream of different isoforms drove GFP expression in different cells of the same organs of the digestive system. The observed unique pattern of complementary expression suggests that different isoforms could possess distinct functions within these organs. We used mutant analysis to show that pharyngeal muscles and glands require long pezo-1 isoforms to respond appropriately to the presence of food. The number of pezo-1 isoforms in C. elegans, their putative differential pattern of expression, and roles in experimentally tractable processes make this an attractive system to investigate the molecular basis for functional differences between members of the PIEZO family of mechanoreceptors.
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Affiliation(s)
- Kiley Hughes
- School of Biological Sciences, Illinois State University, Normal, IL 61790, USA
| | - Ashka Shah
- School of Biological Sciences, Illinois State University, Normal, IL 61790, USA
| | - Xiaofei Bai
- National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, MD 20892, USA
| | - Jessica Adams
- School of Biological Sciences, Illinois State University, Normal, IL 61790, USA
| | - Rosemary Bauer
- National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, MD 20892, USA
| | - Janelle Jackson
- School of Biological Sciences, Illinois State University, Normal, IL 61790, USA
| | - Emily Harris
- School of Biological Sciences, Illinois State University, Normal, IL 61790, USA
| | - Alyson Ficca
- School of Biological Sciences, Illinois State University, Normal, IL 61790, USA
| | - Ploy Freebairn
- School of Biological Sciences, Illinois State University, Normal, IL 61790, USA
| | - Shawn Mohammed
- School of Biological Sciences, Illinois State University, Normal, IL 61790, USA
| | - Eliana M Fernández
- Instituto de Investigaciones Biotecnológicas, Universidad Nacional de San Martín (UNSAM), Buenos Aires 1650, Argentina
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET) San Martín, Buenos Aires 1650, Argentina
| | - Chance Bainbridge
- School of Biological Sciences, Illinois State University, Normal, IL 61790, USA
| | - Marcela Brocco
- Instituto de Investigaciones Biotecnológicas, Universidad Nacional de San Martín (UNSAM), Buenos Aires 1650, Argentina
| | - Wolfgang Stein
- School of Biological Sciences, Illinois State University, Normal, IL 61790, USA
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12
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Affiliation(s)
- François M Abboud
- Department of Internal Medicine, Edith King Pearson Chair of Cardiovascular Research, Abboud Cardiovascular Research Center, University of Iowa, 110 College of Medicine Administration Building (CMAB), Iowa City, IA, 52242, USA.
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13
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Zander-Fox D, Lam K, Pacella-Ince L, Tully C, Hamilton H, Hiraoka K, McPherson NO, Tremellen K. PIEZO-ICSI increases fertilization rates compared with standard ICSI: a prospective cohort study. Reprod Biomed Online 2021; 43:404-412. [PMID: 34326006 DOI: 10.1016/j.rbmo.2021.05.020] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2021] [Revised: 04/25/2021] [Accepted: 05/21/2021] [Indexed: 11/19/2022]
Abstract
RESEARCH QUESTION Is PIEZO-intracytoplasmic sperm injection (ICSI) coupled with a new novel operational fluid (perfluoro-n-octane) superior to standard ICSI? DESIGN A cohort of patients (n = 69) undertaking microinjection were recruited between January and November 2019 and were then prospectively case-matched. Patients required six or more mature oocytes for inclusion in the study. PIEZO-ICSI uses high-speed microinjection drilling to penetrate the zona and oolemma and deposit the spermatozoa into the cytoplasm, compared with the traditional 'cutting' action of ICSI. The primary outcome was fertilization, with secondary outcomes including oocyte degeneration, abnormal fertilization, embryo cryopreservation and embryo utilization. RESULTS PIEZO-ICSI resulted in significantly higher fertilization rates (80.5 ± 2.4% vs 65.8 ± 2.3%, P < 0.0001) and lower oocyte degeneration rates (4.4 ± 1.3% vs 8.6 ± 1.2%, P = 0.019) and abnormal fertilization rates (2.9 ± 1.1% vs 7.4 ± 1.1%; P = 0.003) compared with standard ICSI. This improvement in fertilization was of most benefit in patients aged ≥38 years. This increase in fertilization increased the number of good quality embryos that were available for cryopreservation/transfer (3.8 ± 0.2 vs 3.1 ± 0.2; P = 0.038), such that patients on average had one extra usable embryo per cycle compared with standard ICSI. There were no differences to Day 5 embryo development or clinical pregnancy from fresh embryo transfer (57.1% PIEZO-ICSI vs 60.0% ICSI) between microinjection methods, although pregnancy outcomes were underpowered. CONCLUSIONS PIEZO-ICSI significantly increased fertilization rates, thereby increasing the number of embryos available for cryopreservation compared with standard ICSI. Further prospective studies assessing cumulative pregnancy rates are warranted.
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Affiliation(s)
- Deirdre Zander-Fox
- Repromed, Dulwich South Australia, Australia; Robinson Research Institute, University of Adelaide, Adelaide South Australia, Australia; Department of Bioengineering, University of South Australia, Adelaide South Australia, Australia; Monash University, Clayton South Australia, Australia; Monash IVF Group, Richmond Victoria, Australia.
| | - Kevin Lam
- Repromed, Dulwich South Australia, Australia
| | - Leanne Pacella-Ince
- Repromed, Dulwich South Australia, Australia; Robinson Research Institute, University of Adelaide, Adelaide South Australia, Australia
| | - Cathy Tully
- Repromed, Dulwich South Australia, Australia
| | | | | | - Nicole O McPherson
- Repromed, Dulwich South Australia, Australia; Robinson Research Institute, University of Adelaide, Adelaide South Australia, Australia; Freemasons Center for Male Health and Wellbeing, University of Adelaide, Adelaide South Australia, Australia
| | - Kelton Tremellen
- Repromed, Dulwich South Australia, Australia; Department of Obstetrics, Gynaecology and Reproductive Medicine, Flinders University, Bedford Park South Australia, Australia
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14
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Mousavi SAR, Dubin AE, Zeng WZ, Coombs AM, Do K, Ghadiri DA, Keenan WT, Ge C, Zhao Y, Patapoutian A. PIEZO ion channel is required for root mechanotransduction in Arabidopsis thaliana. Proc Natl Acad Sci U S A 2021; 118:e2102188118. [PMID: 33975957 DOI: 10.1073/pnas.2102188118] [Citation(s) in RCA: 52] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Plant roots adapt to the mechanical constraints of the soil to grow and absorb water and nutrients. As in animal species, mechanosensitive ion channels in plants are proposed to transduce external mechanical forces into biological signals. However, the identity of these plant root ion channels remains unknown. Here, we show that Arabidopsis thaliana PIEZO1 (PZO1) has preserved the function of its animal relatives and acts as an ion channel. We present evidence that plant PIEZO1 is expressed in the columella and lateral root cap cells of the root tip, which are known to experience robust mechanical strain during root growth. Deleting PZO1 from the whole plant significantly reduced the ability of its roots to penetrate denser barriers compared to wild-type plants. pzo1 mutant root tips exhibited diminished calcium transients in response to mechanical stimulation, supporting a role of PZO1 in root mechanotransduction. Finally, a chimeric PZO1 channel that includes the C-terminal half of PZO1 containing the putative pore region was functional and mechanosensitive when expressed in naive mammalian cells. Collectively, our data suggest that Arabidopsis PIEZO1 plays an important role in root mechanotransduction and establish PIEZOs as physiologically relevant mechanosensitive ion channels across animal and plant kingdoms.
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15
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Gailly P, Devuyst O. PIEZO2, a mechanosensor in the urinary bladder. Kidney Int 2021; 100:9-11. [PMID: 33667505 DOI: 10.1016/j.kint.2021.02.021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2021] [Accepted: 02/02/2021] [Indexed: 11/30/2022]
Affiliation(s)
- Philippe Gailly
- Université catholique de Louvain, Institute of Neuroscience, Cell Physiology, Brussels, Belgium
| | - Olivier Devuyst
- Université catholique de Louvain, Institute of Neuroscience, Cell Physiology, Brussels, Belgium; University of Zurich, Institute of Physiology, Zurich, Switzerland.
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16
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Leverrier-Penna S, Destaing O, Penna A. Insights and perspectives on calcium channel functions in the cockpit of cancerous space invaders. Cell Calcium 2020; 90:102251. [PMID: 32683175 DOI: 10.1016/j.ceca.2020.102251] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2019] [Revised: 07/01/2020] [Accepted: 07/01/2020] [Indexed: 02/06/2023]
Abstract
Development of metastasis causes the most serious clinical consequences of cancer and is responsible for over 90 % of cancer-related deaths. Hence, a better understanding of the mechanisms that drive metastasis formation appears critical for drug development designed to prevent the spread of cancer and related mortality. Metastasis dissemination is a multistep process supported by the increased motility and invasiveness capacities of tumor cells. To succeed in overcoming the mechanical constraints imposed by the basement membrane and surrounding tissues, cancer cells reorganize their focal adhesions or extend acto-adhesive cellular protrusions, called invadosomes, that can both contact the extracellular matrix and tune its degradation through metalloprotease activity. Over the last decade, accumulating evidence has demonstrated that altered Ca2+ channel activities and/or expression promote tumor cell-specific phenotypic changes, such as exacerbated migration and invasion capacities, leading to metastasis formation. While several studies have addressed the molecular basis of Ca2+ channel-dependent cancer cell migration, we are still far from having a comprehensive vision of the Ca2+ channel-regulated mechanisms of migration/invasion. This is especially true regarding the specific context of invadosome-driven invasion. This review aims to provide an overview of the current evidence supporting a central role for Ca2+ channel-dependent signaling in the regulation of these dynamic degradative structures. It will present available data on the few Ca2+ channels that have been studied in that specific context and discuss some potential interesting actors that have not been fully explored yet.
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Affiliation(s)
| | - Olivier Destaing
- Institute for Advanced BioSciences, CNRS UMR 5309, INSERM U1209, Institut Albert Bonniot, University Grenoble Alpes, 38700 Grenoble, France.
| | - Aubin Penna
- STIM, CNRS ERL7003, University of Poitiers, 86000 Poitiers, France.
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17
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Kindberg A, Hu JK, Bush JO. Forced to communicate: Integration of mechanical and biochemical signaling in morphogenesis. Curr Opin Cell Biol 2020; 66:59-68. [PMID: 32569947 DOI: 10.1016/j.ceb.2020.05.004] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2020] [Revised: 04/06/2020] [Accepted: 05/05/2020] [Indexed: 01/05/2023]
Abstract
Morphogenesis is a physical process that requires the generation of mechanical forces to achieve dynamic changes in cell position, tissue shape, and size as well as biochemical signals to coordinate these events. Mechanical forces are also used by the embryo to transmit detailed information across space and detected by target cells, leading to downstream changes in cellular properties and behaviors. Indeed, forces provide signaling information of complementary quality that can both synergize and diversify the functional outputs of biochemical signaling. Here, we discuss recent findings that reveal how mechanical signaling and biochemical signaling are integrated during morphogenesis and the possible context-specific advantages conferred by the interactions between these signaling mechanisms.
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Affiliation(s)
- Abigail Kindberg
- Program in Craniofacial Biology, University of California San Francisco, San Francisco, CA, USA; Department of Cell and Tissue Biology, University of California San Francisco, San Francisco, CA, USA; Institute for Human Genetics, University of California San Francisco, San Francisco, CA, USA; Eli and Edythe Broad Center of Regeneration Medicine and Stem Cell Research, University of California San Francisco, San Francisco, CA, USA; Biomedical Sciences Graduate Program, University of California San Francisco, San Francisco, CA, USA
| | - Jimmy K Hu
- School of Dentistry, University of California Los Angeles, Los Angeles, CA, USA; Molecular Biology Institute, University of California Los Angeles, Los Angeles, CA, USA.
| | - Jeffrey O Bush
- Program in Craniofacial Biology, University of California San Francisco, San Francisco, CA, USA; Department of Cell and Tissue Biology, University of California San Francisco, San Francisco, CA, USA; Institute for Human Genetics, University of California San Francisco, San Francisco, CA, USA; Eli and Edythe Broad Center of Regeneration Medicine and Stem Cell Research, University of California San Francisco, San Francisco, CA, USA; Biomedical Sciences Graduate Program, University of California San Francisco, San Francisco, CA, USA.
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18
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Bai X, Bouffard J, Lord A, Brugman K, Sternberg PW, Cram EJ, Golden A. Caenorhabditis elegans PIEZO channel coordinates multiple reproductive tissues to govern ovulation. eLife 2020; 9:e53603. [PMID: 32490809 PMCID: PMC7340503 DOI: 10.7554/elife.53603] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2019] [Accepted: 06/02/2020] [Indexed: 01/15/2023] Open
Abstract
PIEZO1 and PIEZO2 are newly identified mechanosensitive ion channels that exhibit a preference for calcium in response to mechanical stimuli. In this study, we discovered the vital roles of pezo-1, the sole PIEZO ortholog in Caenorhabditiselegans, in regulating reproduction. A number of deletion alleles, as well as a putative gain-of-function mutant, of PEZO-1 caused a severe reduction in brood size. In vivo observations showed that oocytes undergo a variety of transit defects as they enter and exit the spermatheca during ovulation. Post-ovulation oocytes were frequently damaged during spermathecal contraction. However, the calcium signaling was not dramatically changed in the pezo-1 mutants during ovulation. Loss of PEZO-1 also led to an inability of self-sperm to navigate back to the spermatheca properly after being pushed out of the spermatheca during ovulation. These findings suggest that PEZO-1 acts in different reproductive tissues to promote proper ovulation and fertilization in C. elegans.
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Affiliation(s)
- Xiaofei Bai
- National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of HealthBethesdaUnited States
| | - Jeff Bouffard
- Department of Bioengineering, Northeastern UniversityBostonUnited States
| | - Avery Lord
- Department of Biology, Northeastern UniversityBostonUnited States
| | - Katherine Brugman
- Division of Biology and Biological Engineering, California Institute of TechnologyPasadenaUnited States
| | - Paul W Sternberg
- Division of Biology and Biological Engineering, California Institute of TechnologyPasadenaUnited States
| | - Erin J Cram
- Department of Biology, Northeastern UniversityBostonUnited States
| | - Andy Golden
- National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of HealthBethesdaUnited States
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19
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Abstract
Activation of mechanosensitive ion channels underlies a variety of fundamental physiological processes that require sensation of mechanical force. Different mechanosensitive channels adapt distinctive structures and mechanotransduction mechanisms to fit their biological roles. How mechanosensitive channels work, especially in animals, has been extensively studied in the past decade. Here we review key findings in the functional and structural characterizations of these channels and highlight the structural features relevant to the mechanotransduction mechanism of each specific channel.
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Affiliation(s)
- Peng Jin
- Department of Physiology, University of California, San Francisco, California 94158, USA;
| | - Lily Yeh Jan
- Department of Physiology, University of California, San Francisco, California 94158, USA; .,Department of Biochemistry and Biophysics and Howard Hughes Medical Institute, University of California, San Francisco, California 94158, USA
| | - Yuh-Nung Jan
- Department of Physiology, University of California, San Francisco, California 94158, USA; .,Department of Biochemistry and Biophysics and Howard Hughes Medical Institute, University of California, San Francisco, California 94158, USA
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20
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Soydemir S, Comella O, Abdelmottaleb D, Pritchett J. Does Mechanocrine Signaling by Liver Sinusoidal Endothelial Cells Offer New Opportunities for the Development of Anti-fibrotics? Front Med (Lausanne) 2020; 6:312. [PMID: 31998732 PMCID: PMC6962108 DOI: 10.3389/fmed.2019.00312] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2019] [Accepted: 12/11/2019] [Indexed: 01/17/2023] Open
Affiliation(s)
- Sumeyye Soydemir
- Department of Life Sciences, Faculty of Science and Engineering, Manchester Metropolitan University, Manchester, United Kingdom
| | - Olivia Comella
- Department of Life Sciences, Faculty of Science and Engineering, Manchester Metropolitan University, Manchester, United Kingdom
| | - Dina Abdelmottaleb
- Department of Life Sciences, Faculty of Science and Engineering, Manchester Metropolitan University, Manchester, United Kingdom.,Centre for Bioscience, Faculty of Science and Engineering, Manchester Metropolitan University, Manchester, United Kingdom
| | - James Pritchett
- Department of Life Sciences, Faculty of Science and Engineering, Manchester Metropolitan University, Manchester, United Kingdom.,Centre for Bioscience, Faculty of Science and Engineering, Manchester Metropolitan University, Manchester, United Kingdom
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21
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Eandi Eberle S, Pepe C, Aguirre F, Milanesio B, Fernández D, Ávalos Gómez V, Kinen A, Feliu Torres A. [Hereditary xerocytosis. Presentation of two pediatric cases]. ARCH ARGENT PEDIATR 2019; 117:e684-e687. [PMID: 31758911 DOI: 10.5546/aap.2019.e684] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2019] [Accepted: 07/11/2019] [Indexed: 11/12/2022]
Abstract
Hereditary xerocytosis is a rare disorder caused by defects of red blood cell permeability that are characterized by hemolytic anemia of variable degree and iron overload. Diagnosis is usually late and confused with other hemolytic anemias, which can lead to procedural indications, such as splenectomy, contraindicated in these patients. We report the clinical, haematological, and molecular characteristics of two patients from two unrelated families affected by hereditary xerocytosis. Both patients had dehydrated erythrocytes with a high concentration of mean corpuscular hemoglobin, non-pathognomonic smears, markers of hemolysis and a resistant osmotic fragility curve. The diagnosis was confirmed by the sequencing of the PIEZO gene. We emphasize the importance of recognizing the cause of hemolytic anemia to give an accurate therapeutic approach and give adequate genetic counseling.
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Affiliation(s)
- Silvia Eandi Eberle
- Servicio de Hematología-Oncología, Hospital de Pediatría "Prof. Dr. Juan P. Garrahan", Buenos Aires
| | - Carolina Pepe
- Servicio de Hematología-Oncología, Hospital de Pediatría "Prof. Dr. Juan P. Garrahan", Buenos Aires
| | - Fernando Aguirre
- Servicio de Hematología-Oncología, Hospital de Pediatría "Prof. Dr. Juan P. Garrahan", Buenos Aires
| | - Berenice Milanesio
- Servicio de Hematología-Oncología, Hospital de Pediatría "Prof. Dr. Juan P. Garrahan", Buenos Aires
| | - Diego Fernández
- Servicio de Hematología-Oncología, Hospital de Pediatría "Prof. Dr. Juan P. Garrahan", Buenos Aires
| | - Vanesa Ávalos Gómez
- Servicio de Hematología-Oncología, Hospital de Pediatría "Prof. Dr. Juan P. Garrahan", Buenos Aires
| | - Analía Kinen
- Servicio de Hematología-Oncología, Hospital de Pediatría "Prof. Dr. Juan P. Garrahan", Buenos Aires
| | - Aurora Feliu Torres
- Servicio de Hematología-Oncología, Hospital de Pediatría "Prof. Dr. Juan P. Garrahan", Buenos Aires.
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22
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Huang Z, Sun Z, Zhang X, Niu K, Wang Y, Zheng J, Li H, Liu Y. Loss of stretch-activated channels, PIEZOs, accelerates non-small cell lung cancer progression and cell migration. Biosci Rep 2019; 39:BSR20181679. [PMID: 30745454 DOI: 10.1042/BSR20181679] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2018] [Revised: 01/21/2019] [Accepted: 02/07/2019] [Indexed: 12/19/2022] Open
Abstract
PIEZO channels are stretch-activated channels involved in wound sealing and cell proliferation in many cell types. A recent study focussing on lung cancer (LC), using next-generation sequencing analysis, has indicated that PIEZO functions were implicated in LC development. However, the expression and role of PIEZO channels in non-small cell LC (NSCLC) progression require elucidation. In the current study, we investigated the gene expression and alteration frequency in human NSCLC tissue, accessed the prognostic roles of PIEZO channels in NSCLC patients, and further studied the effect of PIEZOs in NSCLC cell proliferation and tumor growth in vivo. The mRNA expression of PIEZO1 and 2 was clearly decreased in NSCLC tumor tissue compared with that in matched adjacent non-tumor tissue. In human NSCLC tissues, PIEZO1 gene expression exhibits a highly deep deletion rate, and PIEZO2 mainly exhibits mutation in gene expression. High mRNA expression of PIEZO channels was found to correlate with better overall survival (OS) for NSCLC patients, especially for patients with lung adenocarcinoma (LUAD), but not for patients with lung squamous cell carcinoma (LUSC). The prognostic role of PIEZO channels was more sensitive in female patients than male patients, and more sensitive in patients at earlier stages than patients at latter stages. Knockdown of PIEZO1 or PIEZO2 in NSCLC cells significantly promoted cell migration in vitro and tumor growth in vivo. These results indicate the critical prognostic values of the PIEZO channels in NSCLC. This information will be beneficial to understand the pathological mechanism of NSCLC and to generate effective therapeutic approaches for NSCLC patients.
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23
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Zheng W, Sachs F. Investigating the structural dynamics of the PIEZO1 channel activation and inactivation by coarse-grained modeling. Proteins 2017; 85:2198-2208. [PMID: 28905417 DOI: 10.1002/prot.25384] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2017] [Revised: 08/22/2017] [Accepted: 09/10/2017] [Indexed: 01/07/2023]
Abstract
The PIEZO channels, a family of mechanosensitive channels in vertebrates, feature a fast activation by mechanical stimuli (eg, membrane tension) followed by a slower inactivation. Although a medium-resolution structure of the trimeric form of PIEZO1 was solved by cryo-electron microscopy (cryo-EM), key structural changes responsible for the channel activation and inactivation are still unknown. Toward decrypting the structural mechanism of the PIEZO1 activation and inactivation, we performed systematic coarse-grained modeling using an elastic network model and related modeling/analysis tools (ie, normal mode analysis, flexibility and hotspot analysis, correlation analysis, and cryo-EM-based hybrid modeling and flexible fitting). We identified four key motional modes that may drive the tension-induced activation and inactivation, with fast and slow relaxation time, respectively. These modes allosterically couple the lateral and vertical motions of the peripheral domains to the opening and closing of the intra-cellular vestibule, enabling external mechanical forces to trigger, and regulate the activation/inactivation transitions. We also calculated domain-specific flexibility profiles, and predicted hotspot residues at key domain-domain interfaces and hinges. Our results offer unprecedented structural and dynamic information, which is consistent with the literature on mutational and functional studies of the PIEZO channels, and will guide future studies of this important family of mechanosensitive channels.
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Affiliation(s)
- Wenjun Zheng
- Department of Physics, State University of New York at Buffalo, Buffalo, New York
| | - Frederick Sachs
- Department of Physiology and Biophysics, State University of New York at Buffalo, Buffalo, New York
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