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Du Y, Cao Y, Song W, Wang X, Yu Q, Peng X, Zhao R. Role of the P2X7 receptor in breast cancer progression. Purinergic Signal 2024:10.1007/s11302-024-10039-6. [PMID: 39039304 DOI: 10.1007/s11302-024-10039-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2024] [Accepted: 07/10/2024] [Indexed: 07/24/2024] Open
Abstract
Breast cancer is a common malignant tumor, whose incidence is increasing year by year, and it has become the malignant tumor with the highest incidence rate in women. Purine ligand-gated ion channel 7 receptor (P2X7R) is a cation channel receptor with Adenosine triphosphate ( ATP) as a ligand, which is widely distributed in cells and tissues, and is closely related to tumorigenesis and progression. P2X7R plays an important role in cancer by interacting with ATP. Studies have shown that P2X7R is up-regulated in breast cancer and can promote tumor invasion and metastasis by activating the protein kinase B (AKT) signaling pathway, promoting epithelial-mesenchymal transition (EMT), controlling the generation of extracellular vesicle (EV), and regulating the expression of the inflammatory protein cyclooxygenase 2 (COX-2). Furthermore, P2X7R was proven to play an essential role in the proliferation and apoptosis of breast cancer cells. Recently, inhibitors targeting P2X7R have been found to inhibit the progression of breast cancer. Natural P2X7R antagonists, such as rhodopsin, and the isoquinoline alkaloid berberine, have also been shown to be effective in inhibiting breast cancer progression. In this article, we review the research progress of P2X7R and breast cancer intending to provide new targets and directions for breast cancer treatment.
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Affiliation(s)
- Yanan Du
- School of Medical Laboratory, Shandong Second Medical University, Shandong, 261053, China
| | - Yahui Cao
- School of Medical Laboratory, Shandong Second Medical University, Shandong, 261053, China
| | - Wei Song
- School of Medical Laboratory, Shandong Second Medical University, Shandong, 261053, China
| | - Xin Wang
- School of Medical Laboratory, Shandong Second Medical University, Shandong, 261053, China
| | - Qingqing Yu
- School of Medical Laboratory, Shandong Second Medical University, Shandong, 261053, China
| | - Xiaoxiang Peng
- School of Medical Laboratory, Shandong Second Medical University, Shandong, 261053, China.
| | - Ronglan Zhao
- School of Medical Laboratory, Shandong Second Medical University, Shandong, 261053, China.
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2
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Pegoraro A, Grignolo M, Ruo L, Ricci L, Adinolfi E. P2X7 Variants in Pathophysiology. Int J Mol Sci 2024; 25:6673. [PMID: 38928378 PMCID: PMC11204217 DOI: 10.3390/ijms25126673] [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: 05/28/2024] [Revised: 06/11/2024] [Accepted: 06/14/2024] [Indexed: 06/28/2024] Open
Abstract
P2X7 receptor activation by extracellular adenosine triphosphate (eATP) modulates different intracellular pathways, including pro-inflammatory and tumor-promoting cascades. ATP is released by cells and necrotic tissues during stressful conditions and accumulates mainly in the inflammatory and tumoral microenvironments. As a consequence, both the P2X7 blockade and agonism have been proposed as therapeutic strategies in phlogosis and cancer. Nevertheless, most studies have been carried out on the WT fully functional receptor variant. In recent years, the discovery of P2X7 variants derived by alternative splicing mechanisms or single-nucleotide substitutions gave rise to the investigation of these new P2X7 variants' roles in different processes and diseases. Here, we provide an overview of the literature covering the function of human P2X7 splice variants and polymorphisms in diverse pathophysiological contexts, paying particular attention to their role in oncological and neuroinflammatory conditions.
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Affiliation(s)
- Anna Pegoraro
- Department of Medical Sciences, Section of Experimental Medicine, University of Ferrara, 44121 Ferrara, Italy; (M.G.); (L.R.); (L.R.)
| | | | | | | | - Elena Adinolfi
- Department of Medical Sciences, Section of Experimental Medicine, University of Ferrara, 44121 Ferrara, Italy; (M.G.); (L.R.); (L.R.)
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3
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Yang X, Ji Y, Mei L, Jing W, Yang X, Liu Q. Potential role of the P2X7 receptor in the proliferation of human diffused large B-cell lymphoma. Purinergic Signal 2024; 20:273-284. [PMID: 37222921 PMCID: PMC11189370 DOI: 10.1007/s11302-023-09947-w] [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: 02/26/2023] [Accepted: 05/18/2023] [Indexed: 05/25/2023] Open
Abstract
Diffuse large B-cell lymphoma (DLBCL) is the most common subtype of invasive non-Hodgkin lymphoma. 60-70% of patients are curable with current chemoimmunotherapy, whereas the rest are refractory or relapsed. Understanding of the interaction between DLBCL cells and tumor microenvironment raises the hope of improving overall survival of DLBCL patients. P2X7, a member of purinergic receptors P2X family, is activated by extracellular ATP and subsequently promotes the progression of various malignancies. However, its role in DLBCL has not been elucidated. In this study, the expression level of P2RX7 in DLBCL patients and cell lines was analyzed. MTS assay and EdU incorporation assay were carried out to study the effect of activated/inhibited P2X7 signaling on the proliferation of DLBCL cells. Bulk RNAseq was performed to explore potential mechanism. The results demonstrated high level expression of P2RX7 in DLBCL patients, typically in patients with relapse DLBCL. 2'(3')-O-(4-benzoylbenzoyl) adenosine 5-triphosphate (Bz-ATP), an agonist of P2X7, significantly accelerated the proliferation of DLBCL cells, whereas delayed proliferation was detected when administrated with antagonist A740003. Furthermore, a urea cycle enzyme named CPS1 (carbamoyl phosphate synthase 1), which up-regulated in P2X7-activated DLBCL cells while down-regulated in P2X7-inhibited group, was demonstrated to involve in such process. Our study reveals the role of P2X7 in the proliferation of DLBCL cells and implies that P2X7 may serve as a potential molecular target for the treatment of DLBCL.
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Affiliation(s)
- Xiao Yang
- Scientific Research Center and Precision Medical Institute, The Second Affiliated Hospital, Xi'an Jiaotong University, Xi'an, 710004, China.
| | - Yuanyuan Ji
- Scientific Research Center and Precision Medical Institute, The Second Affiliated Hospital, Xi'an Jiaotong University, Xi'an, 710004, China
| | - Lin Mei
- Scientific Research Center and Precision Medical Institute, The Second Affiliated Hospital, Xi'an Jiaotong University, Xi'an, 710004, China
| | - Wenwen Jing
- Scientific Research Center and Precision Medical Institute, The Second Affiliated Hospital, Xi'an Jiaotong University, Xi'an, 710004, China
| | - Xin Yang
- Department of Rheumatology, The Second Affiliated Hospital, Xi'an Jiaotong University, Xi'an, 710004, China
| | - Qianwei Liu
- Institute of Environmental Medicine, Karolinska Institutet, Stockholm, 17177, Sweden
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4
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Alburquerque-González B, Montoro-García S, Bernabé-García Á, Bernabé-García M, Campioni-Rodrigues P, Rodríguez-Martínez A, Luque I, Salo T, Pérez-Garrido A, Pérez-Sánchez H, Cayuela ML, Luengo-Gil G, Luchinat E, Postigo-Corrales F, Staderini T, Nicolás FJ, Conesa-Zamora P. Monastrol suppresses invasion and metastasis in human colorectal cancer cells by targeting fascin independent of kinesin-Eg5 pathway. Biomed Pharmacother 2024; 175:116785. [PMID: 38781869 DOI: 10.1016/j.biopha.2024.116785] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2024] [Revised: 05/06/2024] [Accepted: 05/17/2024] [Indexed: 05/25/2024] Open
Abstract
Rearrangement of the actin cytoskeleton is a prerequisite for carcinoma cells to develop cellular protrusions, which are required for migration, invasion, and metastasis. Fascin is a key protein involved in actin bundling and is expressed in aggressive and invasive carcinomas. Additionally, fascin appears to be involved in tubulin-binding and microtubule rearrangement. Pharmacophoric-based in silico screening was performed to identify compounds with better fascin inhibitory properties than migrastatin, a gold-standard fascin inhibitor. We hypothesized that monastrol displays anti-migratory and anti-invasive properties via fascin blocking in colorectal cancer cell lines. Biophysical (thermofluor and ligand titration followed by fluorescence spectroscopy), biochemical (NMR), and cellular assays (MTT, invasion of human tissue), as well as animal model studies (zebrafish invasion) were performed to characterize the inhibitory effect of monastrol on fascin activity. In silico analysis revealed that monastrol is a potential fascin-binding compound. Biophysical and biochemical assays demonstrated that monastrol binds to fascin and interferes with its actin-bundling activity. Cell culture studies, including a 3D human myoma disc model, showed that monastrol inhibited fascin-driven cytoplasmic protrusions as well as invasion. In silico, confocal microscopy, and immunoprecipitation assays demonstrated that monastrol disrupted fascin-tubulin interactions. These anti-invasive effects were confirmed in vivo. In silico confocal microscopy and immunoprecipitation assays were carried out to test whether monastrol disrupted the fascin-tubulin interaction. This study reports, for the first time, the in vitro and in vivo anti-invasive properties of monastrol in colorectal tumor cells. The number and types of interactions suggest potential binding of monastrol across actin and tubulin sites on fascin, which could be valuable for the development of antitumor therapies.
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Affiliation(s)
| | | | - Ángel Bernabé-García
- Regeneración, Oncología Molecular y TGF-ß. IMIB-Arrixaca, Carretera Madrid-Cartagena, El Palmar 30120, Spain
| | - Manuel Bernabé-García
- Research group "Telomerasa, Envejecimiento y Cáncer", CIBERER, Hospital Clínico Universitario Virgen de la Arrixaca, IMIB-Arrixaca, Murcia, Spain
| | - Priscila Campioni-Rodrigues
- ECM and Hypoxia research unit, Faculty of Biochemistry and Molecular Medicine, University of Oulu, Aapistie 7C, FI-90014, Oulu, Finland; Microelectronic Research Unit, Faculty of Information Technology and Electrical Engineering, University of Oulu, FI-90570, Oulu, Finland
| | - Alejandro Rodríguez-Martínez
- Department of Physical Chemistry, Institute of Biotechnology and Excellence Unit in Chemistry Applied to Biomedicine and Environment, School of Sciences, University of Granada, Granada 18071, Spain; Structural Bioinformatics and High-Performance Computing (BIO-HPC) Research Group, Universidad Católica de Murcia (UCAM), Guadalupe, Spain
| | - Irene Luque
- Department of Physical Chemistry, Institute of Biotechnology and Excellence Unit in Chemistry Applied to Biomedicine and Environment, School of Sciences, University of Granada, Granada 18071, Spain
| | - Tuula Salo
- Oral Medicine and Pathology, Research Unit of Population Health, University of Oulu, Finland; Medical Research Center and Oulu University Hospital, Aapistie 3, Oulu FI-90220, Finland; Department of Oral and Maxillofacial Diseases, University of Helsinki, Haartmaninkatu 8, Helsinki FI-0014, Finland; Translational Immunology Research Program (TRIMM) and iCAN Digital Precision Cancer Medicine Flagship, University of Helsinki, Finland; Department of Pathology, Helsinki University Hospital, Helsinki, Finland
| | - Alfonso Pérez-Garrido
- Structural Bioinformatics and High-Performance Computing (BIO-HPC) Research Group, Universidad Católica de Murcia (UCAM), Guadalupe, Spain
| | - Horacio Pérez-Sánchez
- Structural Bioinformatics and High-Performance Computing (BIO-HPC) Research Group, Universidad Católica de Murcia (UCAM), Guadalupe, Spain
| | - María Luisa Cayuela
- Research group "Telomerasa, Envejecimiento y Cáncer", CIBERER, Hospital Clínico Universitario Virgen de la Arrixaca, IMIB-Arrixaca, Murcia, Spain
| | - Ginés Luengo-Gil
- Health Sciences Faculty, Universidad Católica de Murcia (UCAM), Guadalupe, Spain; Pathology and Clinical Analysis Department, Group of Molecular Pathology and Pharmacogenetics, Instituto Murciano de Investigación Biosanitaria (IMIB), Hospital Universitario Santa Lucía, Cartagena, Spain
| | - Enrico Luchinat
- CERM - Magnetic Resonance Center and Dipartimento di Chimica, Università degli Studi di Firenze, Via Luigi Sacconi 6, Sesto Fiorentino 50019, Italy; Consorzio Interuniversitario Risonanze Magnetiche di Metallo Proteine - CIRMMP, Via Luigi Sacconi 6, Sesto Fiorentino 50019, Italy
| | | | - Tommaso Staderini
- CERM - Magnetic Resonance Center and Dipartimento di Chimica, Università degli Studi di Firenze, Via Luigi Sacconi 6, Sesto Fiorentino 50019, Italy
| | - Francisco José Nicolás
- Regeneración, Oncología Molecular y TGF-ß. IMIB-Arrixaca, Carretera Madrid-Cartagena, El Palmar 30120, Spain
| | - Pablo Conesa-Zamora
- Health Sciences Faculty, Universidad Católica de Murcia (UCAM), Guadalupe, Spain; Pathology and Clinical Analysis Department, Group of Molecular Pathology and Pharmacogenetics, Instituto Murciano de Investigación Biosanitaria (IMIB), Hospital Universitario Santa Lucía, Cartagena, Spain.
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5
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Zou FL, Liu JP, Zuo C, He PF, Ye JX, Zhang WJ. The functional role of P2 purinergic receptors in the progression of gastric cancer. Purinergic Signal 2024:10.1007/s11302-024-10000-7. [PMID: 38470513 DOI: 10.1007/s11302-024-10000-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2023] [Accepted: 02/29/2024] [Indexed: 03/14/2024] Open
Abstract
Studies have confirmed that P2 purinergic receptors (P2X receptors and P2Y receptors) expressed in gastric cancer (GC) cells and GC tissues and correlates with their function. Endogenous nucleotides including ATP, ADP, UTP, and UDP, as P2 purinergic receptors activators, participate in P2 purinergic signal transduction pathway. These activated P2 purinergic receptors regulate the progression of GC mainly by mediating ion channels and intracellular signal cascades. It is worth noting that there is a difference in the expression of P2 purinergic receptors in GC, which may play different roles in the progression of GC as a tumor promoting factor or a tumor suppressor factor. Among them, P2 × 7, P2Y2 and P2Y6 receptors have certain clinical significance in patients with GC and may be used as biological molecular markers for the prediction of patients with GC. Therefore, in this paper, we discuss the functional role of nucleotide / P2 purinergic receptors signal axis in regulating the progression of GC and that these P2 purinergic receptors may be used as potential molecular targets for the prevention and treatment of GC.
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Affiliation(s)
- Fei-Long Zou
- Thyroid surgery, Shenzhen Bao'an District Songgang People's Hospital, Shenzhen City, 518105, China
| | - Ji-Peng Liu
- The Second Affiliated Hospital, Nanchang University, Nanchang City, Jiangxi Province, 343000, China
| | - Cheng Zuo
- The Second Affiliated Hospital, Nanchang University, Nanchang City, Jiangxi Province, 343000, China
| | - Peng-Fei He
- The Second Affiliated Hospital, Nanchang University, Nanchang City, Jiangxi Province, 343000, China
| | - Jin-Xiong Ye
- Thyroid surgery, Shenzhen Bao'an District Songgang People's Hospital, Shenzhen City, 518105, China.
| | - Wen-Jun Zhang
- The Second Affiliated Hospital, Nanchang University, Nanchang City, Jiangxi Province, 343000, China.
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6
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Rifat A, Ossola B, Bürli RW, Dawson LA, Brice NL, Rowland A, Lizio M, Xu X, Page K, Fidzinski P, Onken J, Holtkamp M, Heppner FL, Geiger JRP, Madry C. Differential contribution of THIK-1 K + channels and P2X7 receptors to ATP-mediated neuroinflammation by human microglia. J Neuroinflammation 2024; 21:58. [PMID: 38409076 PMCID: PMC10895799 DOI: 10.1186/s12974-024-03042-6] [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: 11/16/2023] [Accepted: 02/12/2024] [Indexed: 02/28/2024] Open
Abstract
Neuroinflammation is highly influenced by microglia, particularly through activation of the NLRP3 inflammasome and subsequent release of IL-1β. Extracellular ATP is a strong activator of NLRP3 by inducing K+ efflux as a key signaling event, suggesting that K+-permeable ion channels could have high therapeutic potential. In microglia, these include ATP-gated THIK-1 K+ channels and P2X7 receptors, but their interactions and potential therapeutic role in the human brain are unknown. Using a novel specific inhibitor of THIK-1 in combination with patch-clamp electrophysiology in slices of human neocortex, we found that THIK-1 generated the main tonic K+ conductance in microglia that sets the resting membrane potential. Extracellular ATP stimulated K+ efflux in a concentration-dependent manner only via P2X7 and metabotropic potentiation of THIK-1. We further demonstrated that activation of P2X7 was mandatory for ATP-evoked IL-1β release, which was strongly suppressed by blocking THIK-1. Surprisingly, THIK-1 contributed only marginally to the total K+ conductance in the presence of ATP, which was dominated by P2X7. This suggests a previously unknown, K+-independent mechanism of THIK-1 for NLRP3 activation. Nuclear sequencing revealed almost selective expression of THIK-1 in human brain microglia, while P2X7 had a much broader expression. Thus, inhibition of THIK-1 could be an effective and, in contrast to P2X7, microglia-specific therapeutic strategy to contain neuroinflammation.
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Affiliation(s)
- Ali Rifat
- Institute of Neurophysiology, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Charitéplatz 1, 10117, Berlin, Germany
- Berlin Institute of Health at Charité - Universitätsmedizin Berlin, Charitéplatz 1, 10117, Berlin, Germany
| | - Bernardino Ossola
- Cerevance Ltd, 418 Cambridge Science Park, Milton Road, Cambridge, CB4 0PZ, UK
| | - Roland W Bürli
- Cerevance Ltd, 418 Cambridge Science Park, Milton Road, Cambridge, CB4 0PZ, UK
| | - Lee A Dawson
- Cerevance Ltd, 418 Cambridge Science Park, Milton Road, Cambridge, CB4 0PZ, UK
| | - Nicola L Brice
- Cerevance Ltd, 418 Cambridge Science Park, Milton Road, Cambridge, CB4 0PZ, UK
| | - Anna Rowland
- Cerevance Ltd, 418 Cambridge Science Park, Milton Road, Cambridge, CB4 0PZ, UK
| | - Marina Lizio
- Cerevance Ltd, 418 Cambridge Science Park, Milton Road, Cambridge, CB4 0PZ, UK
| | - Xiao Xu
- Cerevance Ltd, 418 Cambridge Science Park, Milton Road, Cambridge, CB4 0PZ, UK
| | - Keith Page
- Cerevance Ltd, 418 Cambridge Science Park, Milton Road, Cambridge, CB4 0PZ, UK
| | - Pawel Fidzinski
- Berlin Institute of Health at Charité - Universitätsmedizin Berlin, Charitéplatz 1, 10117, Berlin, Germany
- Department of Neurology, Epilepsy-Center Berlin-Brandenburg, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Charitéplatz 1, 10117, Berlin, Germany
- Neurocure Cluster of Excellence, Neuroscience Clinical Research Center, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Charitéplatz 1, 10117, Berlin, Germany
| | - Julia Onken
- Berlin Institute of Health at Charité - Universitätsmedizin Berlin, Charitéplatz 1, 10117, Berlin, Germany
- Department of Neurosurgery, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Charitéplatz 1, 10117, Berlin, Germany
| | - Martin Holtkamp
- Department of Neurology, Epilepsy-Center Berlin-Brandenburg, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Charitéplatz 1, 10117, Berlin, Germany
| | - Frank L Heppner
- Neurocure Cluster of Excellence, Neuroscience Clinical Research Center, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Charitéplatz 1, 10117, Berlin, Germany
- Department of Neuropathology, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Charitéplatz 1, 10117, Berlin, Germany
- German Center for Neurodegenerative Diseases (DZNE) Berlin, 10117, Berlin, Germany
| | - Jörg R P Geiger
- Institute of Neurophysiology, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Charitéplatz 1, 10117, Berlin, Germany
| | - Christian Madry
- Institute of Neurophysiology, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Charitéplatz 1, 10117, Berlin, Germany.
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7
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Zuo C, Xu YS, He PF, Zhang WJ. ATP ion channel P2X7 receptor as a regulatory molecule in the progression of colorectal cancer. Eur J Med Chem 2023; 261:115877. [PMID: 37857146 DOI: 10.1016/j.ejmech.2023.115877] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Revised: 10/12/2023] [Accepted: 10/12/2023] [Indexed: 10/21/2023]
Abstract
Large amounts of adenosine triphosphate (ATP), a natural P2X7 receptor activator, are released during colorectal carcinogenesis. P2X7 receptor activation regulates the activity of colorectal cancer (CRC) cells by mediating intracellular signal transduction. Importantly, the opening and activation of membrane pores of P2X7 receptor are different, which can play a dual role in promoting or inhibiting the progression of CRC. These can also depend on P2X7 receptor to regulate the activities of immune cells in the microenvironment, play the functions of immune regulation, immune escape and immune monitoring. While the use of P2X7 receptor antagonists (such as BBG, A438079 and A740003) can play a certain inhibitory pharmacological role on the activity of CRC. Therefore, in this paper, the mechanism and immunomodulatory function of P2X7 receptor involved in the progression of CRC were discussed. Moreover, we discussed the effect of antagonizing the activity of P2X7 receptor on the progression of CRC. So P2X7 receptor may be a new pharmacological molecular target for the treatment of CRC.
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Affiliation(s)
- Cheng Zuo
- Gastrointestinal Surgery, The Second Affiliated Hospital, Nanchang University, Nanchang City, Jiangxi province, 343000, China
| | - Yong-Sheng Xu
- Gastrointestinal Surgery, The Second Affiliated Hospital, Nanchang University, Nanchang City, Jiangxi province, 343000, China
| | - Peng-Fei He
- Gastrointestinal Surgery, The Second Affiliated Hospital, Nanchang University, Nanchang City, Jiangxi province, 343000, China
| | - Wen-Jun Zhang
- Department of Rehabilitation Medicine, The Second Affiliated Hospital, Nanchang University, Nanchang City, Jiangxi province, 343000, China.
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8
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Bai X, Li Q, Peng X, Li X, Qiao C, Tang Y, Zhao R. P2X7 receptor promotes migration and invasion of non-small cell lung cancer A549 cells through the PI3K/Akt pathways. Purinergic Signal 2023; 19:685-697. [PMID: 36854856 PMCID: PMC10754800 DOI: 10.1007/s11302-023-09928-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Accepted: 02/21/2023] [Indexed: 03/02/2023] Open
Abstract
It has been demonstrated that the ATP-gated ion channel P2X7 receptor is involved in tumor progression and plays an important role in regulating tumor cell growth, invasion, migration and angiogenesis. However, P2X7 receptors have been relatively poorly studied in non-small cell lung cancer (NSCLC) cells. Therefore, the aim of this study was to investigate the effects of P2X7 receptor on A549 cells (NSCLC cell line) migration and invasion and to reveal the molecular mechanisms mediated by it. We detected the expression and function of P2X7 receptor in A549 cells. The effects and mechanisms of P2X7 receptor on A549 cells migration, invasion, and epithelial-mesenchymal transition were detected in vitro and in vivo. The results showed P2X7 receptor expressed by A549 cells had ion channel and macropore formation function. In addition, activation of P2X7 receptor by adenosine triphosphate (ATP) or 2'(3')-O-(4-Benzoylbenzoyl)-adenosine-5'-triphosphate (BzATP) promoted Epithelial-mesenchymal transition (EMT), migration and invasion of A549 cells, which was attenuated by treatment of cells with P2X7 receptor antagonist A438079 and Oxidized ATP. Furthermore, activation of P2X7 receptor increased phosphorylated protein kinase B (p-Akt) levels, and the phosphatidylinositol-tris-phosphate kinase 3 (PI3K)/protein kinase B (Akt) inhibitor LY294002 blocked migration and invasion of A549 cells induced by ATP or BzATP. At the same time, in vivo results showed that P2X7 receptor could also promote EMT and PI3K/Akt expression in transplanted tumors. Our study indicated that P2X7 receptor promotes A549 cells migration and invasion through the PI3K/Akt signaling pathway, suggesting that P2X7 receptor may be a potential therapeutic target for NSCLC.
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Affiliation(s)
- Xue Bai
- School of Medical Laboratory, Weifang Medical University, Weifang, Shandong, China
- Institutional Key Laboratory of Clinical Laboratory Diagnostics, 12Th 5-Year Project of Shandong Province, Weifang Medical University, Weifang, Shandong, China
| | - Qianqian Li
- School of Medical Laboratory, Weifang Medical University, Weifang, Shandong, China
- Institutional Key Laboratory of Clinical Laboratory Diagnostics, 12Th 5-Year Project of Shandong Province, Weifang Medical University, Weifang, Shandong, China
- Department of Laboratory Medicine, Qingdao Eighth People's Hospital, Qingdao, Shandong, China
| | - Xiaoxiang Peng
- School of Medical Laboratory, Weifang Medical University, Weifang, Shandong, China
- Institutional Key Laboratory of Clinical Laboratory Diagnostics, 12Th 5-Year Project of Shandong Province, Weifang Medical University, Weifang, Shandong, China
| | - Xinyu Li
- School of Medical Laboratory, Weifang Medical University, Weifang, Shandong, China
- Institutional Key Laboratory of Clinical Laboratory Diagnostics, 12Th 5-Year Project of Shandong Province, Weifang Medical University, Weifang, Shandong, China
| | - Cuicui Qiao
- School of Medical Laboratory, Weifang Medical University, Weifang, Shandong, China
- Institutional Key Laboratory of Clinical Laboratory Diagnostics, 12Th 5-Year Project of Shandong Province, Weifang Medical University, Weifang, Shandong, China
| | - Yiqing Tang
- School of Medical Laboratory, Weifang Medical University, Weifang, Shandong, China
- Institutional Key Laboratory of Clinical Laboratory Diagnostics, 12Th 5-Year Project of Shandong Province, Weifang Medical University, Weifang, Shandong, China
| | - Ronglan Zhao
- School of Medical Laboratory, Weifang Medical University, Weifang, Shandong, China.
- Institutional Key Laboratory of Clinical Laboratory Diagnostics, 12Th 5-Year Project of Shandong Province, Weifang Medical University, Weifang, Shandong, China.
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9
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Sainz RM, Rodriguez-Quintero JH, Maldifassi MC, Stiles BM, Wennerberg E. Tumour immune escape via P2X7 receptor signalling. Front Immunol 2023; 14:1287310. [PMID: 38022596 PMCID: PMC10643160 DOI: 10.3389/fimmu.2023.1287310] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2023] [Accepted: 10/12/2023] [Indexed: 12/01/2023] Open
Abstract
While P2X7 receptor expression on tumour cells has been characterized as a promotor of cancer growth and metastasis, its expression by the host immune system is central for orchestration of both innate and adaptive immune responses against cancer. The role of P2X7R in anti-tumour immunity is complex and preclinical studies have described opposing roles of the P2X7R in regulating immune responses against tumours. Therefore, few P2X7R modulators have reached clinical testing in cancer patients. Here, we review the prognostic value of P2X7R in cancer, how P2X7R have been targeted to date in tumour models, and we discuss four aspects of how tumours skew immune responses to promote immune escape via the P2X7R; non-pore functional P2X7Rs, mono-ADP-ribosyltransferases, ectonucleotidases, and immunoregulatory cells. Lastly, we discuss alternative approaches to offset tumour immune escape via P2X7R to enhance immunotherapeutic strategies in cancer patients.
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Affiliation(s)
- Ricardo M. Sainz
- Division of Radiotherapy and Imaging, The Institute of Cancer Research, London, United Kingdom
| | - Jorge Humberto Rodriguez-Quintero
- Department of Cardiovascular and Thoracic Surgery, Albert Einstein College of Medicine, Montefiore Health System, Bronx, NY, United States
| | - Maria Constanza Maldifassi
- Department of Cardiovascular and Thoracic Surgery, Albert Einstein College of Medicine, Montefiore Health System, Bronx, NY, United States
| | - Brendon M. Stiles
- Department of Cardiovascular and Thoracic Surgery, Albert Einstein College of Medicine, Montefiore Health System, Bronx, NY, United States
| | - Erik Wennerberg
- Division of Radiotherapy and Imaging, The Institute of Cancer Research, London, United Kingdom
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10
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Ai Y, Wang H, Liu L, Qi Y, Tang S, Tang J, Chen N. Purine and purinergic receptors in health and disease. MedComm (Beijing) 2023; 4:e359. [PMID: 37692109 PMCID: PMC10484181 DOI: 10.1002/mco2.359] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Revised: 08/07/2023] [Accepted: 08/10/2023] [Indexed: 09/12/2023] Open
Abstract
Purines and purinergic receptors are widely distributed throughout the human body. Purine molecules within cells play crucial roles in regulating energy metabolism and other cellular processes, while extracellular purines transmit signals through specific purinergic receptors. The ubiquitous purinergic signaling maintains normal neural excitability, digestion and absorption, respiratory movement, and other complex physiological activities, and participates in cell proliferation, differentiation, migration, and death. Pathological dysregulation of purinergic signaling can result in the development of various diseases, including neurodegeneration, inflammatory reactions, and malignant tumors. The dysregulation or dysfunction of purines and purinergic receptors has been demonstrated to be closely associated with tumor progression. Compared with other subtypes of purinergic receptors, the P2X7 receptor (P2X7R) exhibits distinct characteristics (i.e., a low affinity for ATP, dual functionality upon activation, the mediation of ion channels, and nonselective pores formation) and is considered a promising target for antitumor therapy, particularly in patients with poor response to immunotherapy This review summarizes the physiological and pathological significance of purinergic signaling and purinergic receptors, analyzes their complex relationship with tumors, and proposes potential antitumor immunotherapy strategies from tumor P2X7R inhibition, tumor P2X7R overactivation, and host P2X7R activation. This review provides a reference for clinical immunotherapy and mechanism investigation.
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Affiliation(s)
- Yanling Ai
- Department of OncologyHospital of Chengdu University of Traditional Chinese MedicineChengduChina
| | - Hengyi Wang
- Department of Infectious DiseasesHospital of Chengdu University of Traditional Chinese MedicineChengduChina
| | - Lu Liu
- School of PharmacyChengdu University of Traditional Chinese MedicineChengduChina
| | - Yulin Qi
- Department of OphthalmologyThe First Affiliated Hospital of Guangzhou University of Chinese MedicineGuangzhou University of Chinese MedicineGuangzhouChina
- Postdoctoral Research Station of Guangzhou University of Chinese MedicineGuangzhouChina
| | - Shiyun Tang
- Hospital of Chengdu University of Traditional Chinese MedicineChengduChina
| | - Jianyuan Tang
- TCM Regulating Metabolic Diseases Key Laboratory of Sichuan ProvinceHospital of Chengdu University of Traditional Chinese MedicineChengduChina
| | - Nianzhi Chen
- State Key Laboratory of Ultrasound in Medicine and EngineeringCollege of Biomedical EngineeringChongqing Medical UniversityChongqingChina
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11
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Adinolfi E, De Marchi E, Grignolo M, Szymczak B, Pegoraro A. The P2X7 Receptor in Oncogenesis and Metastatic Dissemination: New Insights on Vesicular Release and Adenosinergic Crosstalk. Int J Mol Sci 2023; 24:13906. [PMID: 37762206 PMCID: PMC10531279 DOI: 10.3390/ijms241813906] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Revised: 09/01/2023] [Accepted: 09/05/2023] [Indexed: 09/29/2023] Open
Abstract
The tumor niche is an environment rich in extracellular ATP (eATP) where purinergic receptors have essential roles in different cell subtypes, including cancer, immune, and stromal cells. Here, we give an overview of recent discoveries regarding the role of probably the best-characterized purinergic receptor in the tumor microenvironment: P2X7. We cover the activities of the P2X7 receptor and its human splice variants in solid and liquid cancer proliferation, dissemination, and crosstalk with immune and endothelial cells. Particular attention is paid to the P2X7-dependent release of microvesicles and exosomes, their content, including ATP and miRNAs, and, in general, P2X7-activated mechanisms favoring metastatic spread and niche conditioning. Moreover, the emerging role of P2X7 in influencing the adenosinergic axis, formed by the ectonucleotidases CD39 and CD73 and the adenosine receptor A2A in cancer, is analyzed. Finally, we cover how antitumor therapy responses can be influenced by or can change P2X7 expression and function. This converging evidence suggests that P2X7 is an attractive therapeutic target for oncological conditions.
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Affiliation(s)
- Elena Adinolfi
- Section of Experimental Medicine, Department of Medical Sciences, University of Ferrara, 44121 Ferrara, Italy; (E.D.M.); (M.G.); (A.P.)
| | - Elena De Marchi
- Section of Experimental Medicine, Department of Medical Sciences, University of Ferrara, 44121 Ferrara, Italy; (E.D.M.); (M.G.); (A.P.)
| | - Marianna Grignolo
- Section of Experimental Medicine, Department of Medical Sciences, University of Ferrara, 44121 Ferrara, Italy; (E.D.M.); (M.G.); (A.P.)
| | - Bartosz Szymczak
- Department of Biochemistry, Faculty of Biological and Veterinary Sciences, Nicolaus Copernicus University in Torun, 87-100 Torun, Poland;
| | - Anna Pegoraro
- Section of Experimental Medicine, Department of Medical Sciences, University of Ferrara, 44121 Ferrara, Italy; (E.D.M.); (M.G.); (A.P.)
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12
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Sluyter R, Adriouch S, Fuller SJ, Nicke A, Sophocleous RA, Watson D. Animal Models for the Investigation of P2X7 Receptors. Int J Mol Sci 2023; 24:ijms24098225. [PMID: 37175933 PMCID: PMC10179175 DOI: 10.3390/ijms24098225] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Revised: 04/21/2023] [Accepted: 04/27/2023] [Indexed: 05/15/2023] Open
Abstract
The P2X7 receptor is a trimeric ligand-gated cation channel activated by extracellular adenosine 5'-triphosphate. The study of animals has greatly advanced the investigation of P2X7 and helped to establish the numerous physiological and pathophysiological roles of this receptor in human health and disease. Following a short overview of the P2X7 distribution, roles and functional properties, this article discusses how animal models have contributed to the generation of P2X7-specific antibodies and nanobodies (including biologics), recombinant receptors and radioligands to study P2X7 as well as to the pharmacokinetic testing of P2X7 antagonists. This article then outlines how mouse and rat models have been used to study P2X7. These sections include discussions on preclinical disease models, polymorphic P2X7 variants, P2X7 knockout mice (including bone marrow chimeras and conditional knockouts), P2X7 reporter mice, humanized P2X7 mice and P2X7 knockout rats. Finally, this article reviews the limited number of studies involving guinea pigs, rabbits, monkeys (rhesus macaques), dogs, cats, zebrafish, and other fish species (seabream, ayu sweetfish, rainbow trout and Japanese flounder) to study P2X7.
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Affiliation(s)
- Ronald Sluyter
- Molecular Horizons and School of Chemistry and Molecular Bioscience, University of Wollongong, Wollongong, NSW 2522, Australia
- Illawarra Health and Medical Research Institute, Wollongong, NSW 2522, Australia
| | - Sahil Adriouch
- UniRouen, INSERM, U1234, Pathophysiology, Autoimmunity, and Immunotherapy, (PANTHER), Univ Rouen Normandie, University of Rouen, F-76000 Rouen, France
| | - Stephen J Fuller
- Sydney Medical School Nepean, Faculty of Medicine and Health, The University of Sydney, Nepean Hospital, Kingswood, NSW 2750, Australia
| | - Annette Nicke
- Walther Straub Institute of Pharmacology and Toxicology, Faculty of Medicine, LMU Munich, 80336 Munich, Germany
| | - Reece A Sophocleous
- Molecular Horizons and School of Chemistry and Molecular Bioscience, University of Wollongong, Wollongong, NSW 2522, Australia
- Illawarra Health and Medical Research Institute, Wollongong, NSW 2522, Australia
| | - Debbie Watson
- Molecular Horizons and School of Chemistry and Molecular Bioscience, University of Wollongong, Wollongong, NSW 2522, Australia
- Illawarra Health and Medical Research Institute, Wollongong, NSW 2522, Australia
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13
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Tang Y, Qiao C, Li Q, Zhu X, Zhao R, Peng X. Research Progress in the Relationship Between P2X7R and Cervical Cancer. Reprod Sci 2023; 30:823-834. [PMID: 35799022 DOI: 10.1007/s43032-022-01022-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2022] [Accepted: 06/16/2022] [Indexed: 11/28/2022]
Abstract
Cervical cancer is one of the most common and serious tumors in women. Finding new biomarkers and therapeutic targets plays an important role in the diagnosis, prognosis, and treatment of cervical cancer. Purinergic ligand-gated ion channel 7 receptor (P2X7R) is a purine ligand cation channel, activated by adenosine triphosphate (ATP). Studies have shown that P2X7R plays an important role in a variety of diseases and cancers. More and more studies have shown that P2X7R is also closely related to cervical cancer; therefore, the role of P2X7R in the development of cervical cancer deserves further discussion. The expression level of P2X7R in uterine epithelial cancer tissues was lower than that of the corresponding normal tissues. P2X7R plays an important role in the apoptotic process of cervical cancer through various mechanisms of action, and both antagonists and agonists of P2X7R can inhibit the proliferation of cervical cancer cells, while P2X7R is involved in the antitumor effect of Atr-I on cervical cancer cells. This review evaluates the current role of P2X7R in cervical cancer in order to develop more specific therapies for cervical cancer. In conclusion, P2X7R may become a biomarker for cervical cancer screening, and even a new target for clinical treatment of cervical cancer.
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Affiliation(s)
- Yiqing Tang
- School of Medical Laboratory, Weifang Medical University, Weifang, Shandong, China
| | - Cuicui Qiao
- School of Medical Laboratory, Weifang Medical University, Weifang, Shandong, China
| | - Qianqian Li
- School of Medical Laboratory, Weifang Medical University, Weifang, Shandong, China
| | - Xiaodi Zhu
- School of Medical Laboratory, Weifang Medical University, Weifang, Shandong, China
| | - Ronglan Zhao
- School of Medical Laboratory, Weifang Medical University, Weifang, Shandong, China.
| | - Xiaoxiang Peng
- School of Medical Laboratory, Weifang Medical University, Weifang, Shandong, China.
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14
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Cao Y, Chen E, Wang X, Song J, Zhang H, Chen X. An emerging master inducer and regulator for epithelial-mesenchymal transition and tumor metastasis: extracellular and intracellular ATP and its molecular functions and therapeutic potential. Cancer Cell Int 2023; 23:20. [PMID: 36750864 PMCID: PMC9903449 DOI: 10.1186/s12935-023-02859-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2022] [Accepted: 01/24/2023] [Indexed: 02/09/2023] Open
Abstract
Despite the rapid development of therapeutic strategies in cancer treatment, metastasis remains the major cause of cancer-related death and scientific challenge. Epithelial-Mesenchymal Transition (EMT) plays a crucial role in cancer invasion and progression, a process by which tumor cells lose cell-cell adhesion and acquire increased invasiveness and metastatic activity. Recent work has uncovered some crucial roles of extracellular adenosine 5'- triphosphate (eATP), a major component of the tumor microenvironment (TME), in promoting tumor growth and metastasis. Intratumoral extracellular ATP (eATP), at levels of 100-700 µM, is 103-104 times higher than in normal tissues. In the current literature, eATP's function in promoting metastasis has been relatively poorly understood as compared with intracellular ATP (iATP). Recent evidence has shown that cancer cells internalize eATP via macropinocytosis in vitro and in vivo, promoting cell growth and survival, drug resistance, and metastasis. Furthermore, ATP acts as a messenger molecule that activates P2 purinergic receptors expressed on both tumor and host cells, stimulating downstream signaling pathways to enhance the invasive and metastatic properties of tumor cells. Here, we review recent progress in understanding eATP's role in each step of the metastatic cascade, including initiating invasion, inducing EMT, overcoming anoikis, facilitating intravasation, circulation, and extravasation, and eventually establishing metastatic colonization. Collectively, these studies reveal eATP's important functions in many steps of metastasis and identify new opportunities for developing more effective therapeutic strategies to target ATP-associated processes in cancer.
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Affiliation(s)
- Yanyang Cao
- grid.20627.310000 0001 0668 7841Department of Biological Sciences, Ohio University, Athens, OH USA ,grid.20627.310000 0001 0668 7841Interdisciplinary Graduate Program in Molecular and Cellular Biology, Ohio University, Athens, OH USA ,grid.20627.310000 0001 0668 7841The Edison Biotechnology Institute, Ohio University, Athens, OH USA
| | - Eileen Chen
- grid.20627.310000 0001 0668 7841Heritage College of Osteopathic Medicine, Ohio University, Athens, OH 45701 USA
| | - Xuan Wang
- grid.20627.310000 0001 0668 7841Department of Biological Sciences, Ohio University, Athens, OH USA ,grid.20627.310000 0001 0668 7841Interdisciplinary Graduate Program in Molecular and Cellular Biology, Ohio University, Athens, OH USA ,grid.20627.310000 0001 0668 7841The Edison Biotechnology Institute, Ohio University, Athens, OH USA
| | - Jingwen Song
- grid.20627.310000 0001 0668 7841Department of Biological Sciences, Ohio University, Athens, OH USA ,grid.20627.310000 0001 0668 7841Interdisciplinary Graduate Program in Molecular and Cellular Biology, Ohio University, Athens, OH USA ,grid.20627.310000 0001 0668 7841The Edison Biotechnology Institute, Ohio University, Athens, OH USA
| | - Haiyun Zhang
- grid.20627.310000 0001 0668 7841Department of Biological Sciences, Ohio University, Athens, OH USA ,grid.20627.310000 0001 0668 7841Interdisciplinary Graduate Program in Molecular and Cellular Biology, Ohio University, Athens, OH USA ,grid.20627.310000 0001 0668 7841The Edison Biotechnology Institute, Ohio University, Athens, OH USA
| | - Xiaozhuo Chen
- Department of Biological Sciences, Ohio University, Athens, OH, USA. .,Interdisciplinary Graduate Program in Molecular and Cellular Biology, Ohio University, Athens, OH, USA. .,The Edison Biotechnology Institute, Ohio University, Athens, OH, USA. .,Department of Chemistry and Biochemistry, Ohio University, Athens, OH, USA. .,Heritage College of Osteopathic Medicine, Ohio University, Athens, OH, 45701, USA.
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15
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Kaur J, Dora S. Purinergic signaling: Diverse effects and therapeutic potential in cancer. Front Oncol 2023; 13:1058371. [PMID: 36741002 PMCID: PMC9889871 DOI: 10.3389/fonc.2023.1058371] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Accepted: 01/02/2023] [Indexed: 01/19/2023] Open
Abstract
Regardless of improved biological insights and therapeutic advances, cancer is consuming multiple lives worldwide. Cancer is a complex disease with diverse cellular, metabolic, and physiological parameters as its hallmarks. This instigates a need to uncover the latest therapeutic targets to advance the treatment of cancer patients. Purines are building blocks of nucleic acids but also function as metabolic intermediates and messengers, as part of a signaling pathway known as purinergic signaling. Purinergic signaling comprises primarily adenosine triphosphate (ATP) and adenosine (ADO), their analogous membrane receptors, and a set of ectonucleotidases, and has both short- and long-term (trophic) effects. Cells release ATP and ADO to modulate cellular function in an autocrine or paracrine manner by activating membrane-localized purinergic receptors (purinoceptors, P1 and P2). P1 receptors are selective for ADO and have four recognized subtypes-A1, A2A, A2B, and A3. Purines and pyrimidines activate P2 receptors, and the P2X subtype is ligand-gated ion channel receptors. P2X has seven subtypes (P2X1-7) and forms homo- and heterotrimers. The P2Y subtype is a G protein-coupled receptor with eight subtypes (P2Y1/2/4/6/11/12/13/14). ATP, its derivatives, and purinoceptors are widely distributed in all cell types for cellular communication, and any imbalance compromises the homeostasis of the cell. Neurotransmission, neuromodulation, and secretion employ fast purinergic signaling, while trophic purinergic signaling regulates cell metabolism, proliferation, differentiation, survival, migration, invasion, and immune response during tumor progression. Thus, purinergic signaling is a prospective therapeutic target in cancer and therapy resistance.
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Affiliation(s)
- Jasmeet Kaur
- Department of Biophysics, Postgraduate Institute of Medical Education and Research (PGIMER), Chandigarh, India
| | - Sanchit Dora
- Department of Biophysics, Postgraduate Institute of Medical Education and Research (PGIMER), Chandigarh, India
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16
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Spotlight on P2X7 Receptor PET Imaging: A Bright Target or a Failing Star? Int J Mol Sci 2023; 24:ijms24021374. [PMID: 36674884 PMCID: PMC9861945 DOI: 10.3390/ijms24021374] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2022] [Revised: 12/23/2022] [Accepted: 01/07/2023] [Indexed: 01/13/2023] Open
Abstract
The homotrimeric P2X7 receptor (P2X7R) is expressed by virtually all cells of the innate and adaptive immune system and plays a crucial role in various pathophysiological processes such as autoimmune and neurodegenerative diseases, inflammation, neuropathic pain and cancer. Consequently, the P2X7R is considered a promising target for therapy and diagnosis. As the development of tracers comes hand-in-hand with the development of potent and selective receptor ligands, there is a rising number of PET tracers available in preclinical and clinical studies. This review analyzes the development of P2X7R positron emission tomography (PET) tracers and their potential in various PET imaging applications.
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17
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Tiffner A, Hopl V, Derler I. CRAC and SK Channels: Their Molecular Mechanisms Associated with Cancer Cell Development. Cancers (Basel) 2022; 15:101. [PMID: 36612099 PMCID: PMC9817886 DOI: 10.3390/cancers15010101] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Revised: 12/16/2022] [Accepted: 12/19/2022] [Indexed: 12/28/2022] Open
Abstract
Cancer represents a major health burden worldwide. Several molecular targets have been discovered alongside treatments with positive clinical outcomes. However, the reoccurrence of cancer due to therapy resistance remains the primary cause of mortality. Endeavors in pinpointing new markers as molecular targets in cancer therapy are highly desired. The significance of the co-regulation of Ca2+-permeating and Ca2+-regulated ion channels in cancer cell development, proliferation, and migration make them promising molecular targets in cancer therapy. In particular, the co-regulation of the Orai1 and SK3 channels has been well-studied in breast and colon cancer cells, where it finally leads to an invasion-metastasis cascade. Nevertheless, many questions remain unanswered, such as which key molecular components determine and regulate their interplay. To provide a solid foundation for a better understanding of this ion channel co-regulation in cancer, we first shed light on the physiological role of Ca2+ and how this ion is linked to carcinogenesis. Then, we highlight the structure/function relationship of Orai1 and SK3, both individually and in concert, their role in the development of different types of cancer, and aspects that are not yet known in this context.
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Affiliation(s)
- Adéla Tiffner
- Institute of Biophysics, JKU Life Science Center, Johannes Kepler University Linz, A-4020 Linz, Austria
| | | | - Isabella Derler
- Institute of Biophysics, JKU Life Science Center, Johannes Kepler University Linz, A-4020 Linz, Austria
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18
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Benito-León M, Gil-Redondo JC, Perez-Sen R, Delicado EG, Ortega F, Gomez-Villafuertes R. BCI, an inhibitor of the DUSP1 and DUSP6 dual specificity phosphatases, enhances P2X7 receptor expression in neuroblastoma cells. Front Cell Dev Biol 2022; 10:1049566. [PMID: 36589747 PMCID: PMC9797830 DOI: 10.3389/fcell.2022.1049566] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2022] [Accepted: 12/05/2022] [Indexed: 12/23/2022] Open
Abstract
P2X7 receptor (P2RX7) is expressed strongly by most human cancers, including neuroblastoma, where high levels of P2RX7 are correlated with a poor prognosis for patients. Tonic activation of P2X7 receptor favors cell metabolism and angiogenesis, thereby promoting cancer cell proliferation, immunosuppression, and metastasis. Although understanding the mechanisms that control P2X7 receptor levels in neuroblastoma cells could be biologically and clinically relevant, the intracellular signaling pathways involved in this regulation remain poorly understood. Here we show that (E)-2-benzylidene-3-(cyclohexylamino)-2,3-dihydro-1H-inden-1-one (BCI), an allosteric inhibitor of dual specificity phosphatases (DUSP) 1 and 6, enhances the expression of P2X7 receptor in N2a neuroblastoma cells. We found that exposure to BCI induces the phosphorylation of mitogen-activated protein kinases p38 and JNK, while it prevents the phosphorylation of ERK1/2. BCI enhanced dual specificity phosphatase 1 expression, whereas it induced a decrease in the dual specificity phosphatase 6 transcripts, suggesting that BCI-dependent inhibition of dual specificity phosphatase 1 may be responsible for the increase in p38 and JNK phosphorylation. The weaker ERK phosphorylation induced by BCI was reversed by p38 inhibition, indicating that this MAPK is involved in the regulatory loop that dampens ERK activity. The PP2A phosphatase appears to be implicated in the p38-dependent dephosphorylation of ERK1/2. In addition, the PTEN phosphatase inhibition also prevented ERK1/2 dephosphorylation, probably through p38 downregulation. By contrast, inhibition of the p53 nuclear factor decreased ERK phosphorylation, probably enhancing the activity of p38. Finally, the inhibition of either p38 or Sp1-dependent transcription halved the increase in P2X7 receptor expression induced by BCI. Moreover, the combined inhibition of both p38 and Sp1 completely prevented the effect exerted by BCI. Together, our results indicate that dual specificity phosphatase 1 acts as a novel negative regulator of P2X7 receptor expression in neuroblastoma cells due to the downregulation of the p38 pathway.
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Affiliation(s)
- María Benito-León
- Department of Biochemistry and Molecular Biology, Faculty of Veterinary Medicine, University Complutense of Madrid, Madrid, Spain,Instituto Universitario de Investigación en Neuroquímica (IUIN), Madrid, Spain,Instituto de Investigación Sanitaria San Carlos (IdISSC), Madrid, Spain
| | - Juan Carlos Gil-Redondo
- Department of Biochemistry and Molecular Biology, Faculty of Veterinary Medicine, University Complutense of Madrid, Madrid, Spain,Instituto Universitario de Investigación en Neuroquímica (IUIN), Madrid, Spain,Instituto de Investigación Sanitaria San Carlos (IdISSC), Madrid, Spain,Department of Nanobiotechnology, Institute for Biophysics, BOKU University for Natural Resources and Life Sciences, Vienna, Austria
| | - Raquel Perez-Sen
- Department of Biochemistry and Molecular Biology, Faculty of Veterinary Medicine, University Complutense of Madrid, Madrid, Spain,Instituto Universitario de Investigación en Neuroquímica (IUIN), Madrid, Spain,Instituto de Investigación Sanitaria San Carlos (IdISSC), Madrid, Spain
| | - Esmerilda G. Delicado
- Department of Biochemistry and Molecular Biology, Faculty of Veterinary Medicine, University Complutense of Madrid, Madrid, Spain,Instituto Universitario de Investigación en Neuroquímica (IUIN), Madrid, Spain,Instituto de Investigación Sanitaria San Carlos (IdISSC), Madrid, Spain
| | - Felipe Ortega
- Department of Biochemistry and Molecular Biology, Faculty of Veterinary Medicine, University Complutense of Madrid, Madrid, Spain,Instituto Universitario de Investigación en Neuroquímica (IUIN), Madrid, Spain,Instituto de Investigación Sanitaria San Carlos (IdISSC), Madrid, Spain,*Correspondence: Felipe Ortega, ; Rosa Gomez-Villafuertes,
| | - Rosa Gomez-Villafuertes
- Department of Biochemistry and Molecular Biology, Faculty of Veterinary Medicine, University Complutense of Madrid, Madrid, Spain,Instituto Universitario de Investigación en Neuroquímica (IUIN), Madrid, Spain,Instituto de Investigación Sanitaria San Carlos (IdISSC), Madrid, Spain,*Correspondence: Felipe Ortega, ; Rosa Gomez-Villafuertes,
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19
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Synthesis, biological evaluation and molecular modeling studies of novel 1,2,3-triazole-linked menadione-furan derivatives as P2X7 inhibitors. J Bioenerg Biomembr 2022; 54:227-239. [PMID: 36070071 DOI: 10.1007/s10863-022-09947-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2022] [Accepted: 08/29/2022] [Indexed: 10/14/2022]
Abstract
The P2X7 receptor (P2X7R) is an ion channel that promotes the passage of ions through the membrane through brief stimulation once activated by ATP, its endogenous opener. However, prolonged stimulation with ATP, which occurs in pathological processes, opens a nonselective pore in the plasma membrane, allowing the passage of large molecules and leading to cytokine release or even cell death. In this sense, the search for new inhibitors for this receptor has attracted a great deal of attention in recent years. Considering the booming of biomass upgrading reactions in recent years and the continued efforts to synthesize biologically active molecules containing the 1,2,3-triazole ring, in the present work, we aimed to investigate whether triazole-linked menadione-furan derivatives could present P2X7R inhibitory activity. The novel compounds were tested for their inhibitory activity on ATP-induced dye uptake in peritoneal macrophages. Some have shown promising results, having displayed IC50 values lower than that of the P2X7R inhibitor BBG. Molecular docking studies also indicated that the active compounds bind to an allosteric site on P2X7R, presenting potential P2X7R inhibition.
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20
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Qiao C, Tang Y, Li Q, Zhu X, Peng X, Zhao R. ATP-gated P2X7 receptor as a potential target for prostate cancer. Hum Cell 2022; 35:1346-1354. [PMID: 35657562 DOI: 10.1007/s13577-022-00729-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Accepted: 05/18/2022] [Indexed: 12/24/2022]
Abstract
Prostate cancer is the most common malignancy of the male genitourinary system and is one of the leading causes of male cancer death. The P2X7 receptor is an important member of purine receptor family. It is a gated ion channel with adenosine triphosphate (ATP) as the ligand, which exists in a variety of immune tissues and cells and can be involved in tumorigenesis and tumor progression. Studies have shown that the P2X7 receptor is abnormally expressed in prostate cancer, and is related to the level of prostate-specific antigen, P2X7 receptor may be an early biomarker of prostate cancer. The P2X7 receptor is essential in the occurrence and development of prostate cancer. The P2X7 receptor mainly affects the invasion and metastasis of prostate cancer cells through epithelial mesenchymal transition/invasion-related genes and the PI3K/AKT and ERK1/2 signaling pathways. The P2X7 receptor could be a promising therapeutic target for prostate cancer.
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Affiliation(s)
- Cuicui Qiao
- School of Laboratory Medicine, Weifang Medical University, Weifang, 261053, Shandong, China
| | - Yiqing Tang
- School of Laboratory Medicine, Weifang Medical University, Weifang, 261053, Shandong, China
| | - Qianqian Li
- School of Laboratory Medicine, Weifang Medical University, Weifang, 261053, Shandong, China
| | - Xiaodi Zhu
- School of Laboratory Medicine, Weifang Medical University, Weifang, 261053, Shandong, China
| | - Xiaoxiang Peng
- School of Laboratory Medicine, Weifang Medical University, Weifang, 261053, Shandong, China
| | - Ronglan Zhao
- School of Laboratory Medicine, Weifang Medical University, Weifang, 261053, Shandong, China.
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21
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Quantitative phosphoproteomics reveals ectopic ATP synthase on mesenchymal stem cells to promote tumor progression via ERK/c-Fos pathway activation. Mol Cell Proteomics 2022; 21:100237. [PMID: 35439648 PMCID: PMC9117939 DOI: 10.1016/j.mcpro.2022.100237] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2021] [Revised: 04/01/2022] [Accepted: 04/13/2022] [Indexed: 11/22/2022] Open
Abstract
The tumor microenvironment (TME), which comprises cellular and noncellular components, is involved in the complex process of cancer development. Emerging evidence suggests that mesenchymal stem cells (MSCs), one of the vital regulators of the TME, foster tumor progression through paracrine secretion. However, the comprehensive phosphosignaling pathways that are mediated by MSC-secreting factors have not yet been fully established. In this study, we attempt to dissect the MSC-triggered mechanism in lung cancer using quantitative phosphoproteomics. A total of 1958 phosphorylation sites are identified in lung cancer cells stimulated with MSC-conditioned medium. Integrative analysis of the identified phosphoproteins and predicted kinases demonstrates that MSC-conditioned medium functionally promotes the proliferation and migration of lung cancer via the ERK/phospho-c-Fos-S374 pathway. Recent studies have reported that extracellular ATP accumulates in the TME and stimulates the P2X7R on the cancer cell membrane via purinergic signaling. We observe that ectopic ATP synthase is located on the surface of MSCs and excreted extracellular ATP into the lung cancer microenvironment to trigger the ERK/phospho-c-Fos-S374 pathway, which is consistent with these previous findings. Our results suggest that ectopic ATP synthase on the surface of MSCs releases extracellular ATP into the TME, which promotes cancer progression via activation of the ERK/phospho-c-Fos-S374 pathway. Mesenchymal stem cells (MSCs) enhance lung cancer development through extracellular factor secretion. Phosphoproteomics discover MSCs-regulated phosphosignaling in the lung cancer. Ectopic ATP synthase on MSCs surface produces ATP into the tumor microenvironment. MSC-secreted extracellular ATP mediates the phosphorylation of the ERK/c-Fos axis.
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Chadet S, Allard J, Brisson L, Lopez-Charcas O, Lemoine R, Heraud A, Lerondel S, Guibon R, Fromont G, Le Pape A, Angoulvant D, Jiang LH, Murrell-Lagnado R, Roger S. P2x4 receptor promotes mammary cancer progression by sustaining autophagy and associated mesenchymal transition. Oncogene 2022; 41:2920-2931. [DOI: 10.1038/s41388-022-02297-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Revised: 03/18/2022] [Accepted: 03/24/2022] [Indexed: 12/22/2022]
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Rao R, Shah S, Bhattacharya D, Toukam DK, Cáceres R, Pomeranz Krummel DA, Sengupta S. Ligand-Gated Ion Channels as Targets for Treatment and Management of Cancers. Front Physiol 2022; 13:839437. [PMID: 35350689 PMCID: PMC8957973 DOI: 10.3389/fphys.2022.839437] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Accepted: 02/07/2022] [Indexed: 12/24/2022] Open
Abstract
Ligand-gated ion channels are an ionotropic receptor subtype characterized by the binding of an extracellular ligand, followed by the transient passage of ions through a transmembrane pore. Ligand-gated ion channels are commonly subcategorized into three superfamilies: purinoreceptors, glutamate receptors, and Cys-loop receptors. This classification is based on the differing topographical morphology of the receptors, which in turn confers functional differences. Ligand-gated ion channels have a diverse spatial and temporal expression which implicate them in key cellular processes. Given that the transcellular electrochemical gradient is finely tuned in eukaryotic cells, any disruption in this homeostasis can contribute to aberrancies, including altering the activity of pro-tumorigenic molecular pathways, such as the MAPK/ERK, RAS, and mTOR pathways. Ligand-gated ion channels therefore serve as a potential targetable system for cancer therapeutics. In this review, we analyze the role that each of the three ligand-gated ion channel superfamilies has concerning tumor proliferation and as a target for the treatment of cancer symptomatology.
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Affiliation(s)
| | | | | | | | | | - Daniel A. Pomeranz Krummel
- Department of Neurology and Rehabilitation Medicine, University of Cincinnati, Cincinnati, OH, United States
| | - Soma Sengupta
- Department of Neurology and Rehabilitation Medicine, University of Cincinnati, Cincinnati, OH, United States
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Rotondo JC, Mazziotta C, Lanzillotti C, Stefani C, Badiale G, Campione G, Martini F, Tognon M. The Role of Purinergic P2X7 Receptor in Inflammation and Cancer: Novel Molecular Insights and Clinical Applications. Cancers (Basel) 2022; 14:1116. [PMID: 35267424 PMCID: PMC8909580 DOI: 10.3390/cancers14051116] [Citation(s) in RCA: 44] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Revised: 02/09/2022] [Accepted: 02/17/2022] [Indexed: 12/11/2022] Open
Abstract
The purinergic P2X7 receptor (P2X7R) is a transmembrane protein whose expression has been related to a variety of cellular processes, while its dysregulation has been linked to inflammation and cancer. P2X7R is expressed in cancer and immune system cell surfaces. ATP plays a key role in numerous metabolic processes due to its abundance in the tumour microenvironment. P2X7R plays an important role in cancer by interacting with ATP. The unusual property of P2X7R is that stimulation with low doses of ATP causes the opening of a permeable channel for sodium, potassium, and calcium ions, whereas sustained stimulation with high doses of ATP favours the formation of a non-selective pore. The latter effect induces a change in intracellular homeostasis that leads to cell death. This evidence suggests that P2X7R has both pro- and anti-tumour proprieties. P2X7R is increasingly recognised as a regulator of inflammation. In this review, we aimed to describe the most relevant characteristics of P2X7R function, activation, and its ligands, while also summarising the role of P2X7R activation in the context of inflammation and cancer. The currently used therapeutic approaches and clinical trials of P2X7R modulators are also described.
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Affiliation(s)
- John Charles Rotondo
- Laboratories of Cell Biology and Molecular Genetics, Section of Experimental Medicine, Department of Medical Sciences, School of Medicine, University of Ferrara, 44121 Ferrara, Italy; (J.C.R.); (C.M.); (C.L.); (C.S.); (G.B.); (G.C.); (F.M.)
- Centre for Studies on Gender Medicine, Department of Medical Sciences, University of Ferrara, 44121 Ferrara, Italy
| | - Chiara Mazziotta
- Laboratories of Cell Biology and Molecular Genetics, Section of Experimental Medicine, Department of Medical Sciences, School of Medicine, University of Ferrara, 44121 Ferrara, Italy; (J.C.R.); (C.M.); (C.L.); (C.S.); (G.B.); (G.C.); (F.M.)
- Centre for Studies on Gender Medicine, Department of Medical Sciences, University of Ferrara, 44121 Ferrara, Italy
| | - Carmen Lanzillotti
- Laboratories of Cell Biology and Molecular Genetics, Section of Experimental Medicine, Department of Medical Sciences, School of Medicine, University of Ferrara, 44121 Ferrara, Italy; (J.C.R.); (C.M.); (C.L.); (C.S.); (G.B.); (G.C.); (F.M.)
- Centre for Studies on Gender Medicine, Department of Medical Sciences, University of Ferrara, 44121 Ferrara, Italy
| | - Chiara Stefani
- Laboratories of Cell Biology and Molecular Genetics, Section of Experimental Medicine, Department of Medical Sciences, School of Medicine, University of Ferrara, 44121 Ferrara, Italy; (J.C.R.); (C.M.); (C.L.); (C.S.); (G.B.); (G.C.); (F.M.)
| | - Giada Badiale
- Laboratories of Cell Biology and Molecular Genetics, Section of Experimental Medicine, Department of Medical Sciences, School of Medicine, University of Ferrara, 44121 Ferrara, Italy; (J.C.R.); (C.M.); (C.L.); (C.S.); (G.B.); (G.C.); (F.M.)
| | - Giulia Campione
- Laboratories of Cell Biology and Molecular Genetics, Section of Experimental Medicine, Department of Medical Sciences, School of Medicine, University of Ferrara, 44121 Ferrara, Italy; (J.C.R.); (C.M.); (C.L.); (C.S.); (G.B.); (G.C.); (F.M.)
| | - Fernanda Martini
- Laboratories of Cell Biology and Molecular Genetics, Section of Experimental Medicine, Department of Medical Sciences, School of Medicine, University of Ferrara, 44121 Ferrara, Italy; (J.C.R.); (C.M.); (C.L.); (C.S.); (G.B.); (G.C.); (F.M.)
- Centre for Studies on Gender Medicine, Department of Medical Sciences, University of Ferrara, 44121 Ferrara, Italy
- Laboratory for Technologies of Advanced Therapies (LTTA), University of Ferrara, 44121 Ferrara, Italy
| | - Mauro Tognon
- Laboratories of Cell Biology and Molecular Genetics, Section of Experimental Medicine, Department of Medical Sciences, School of Medicine, University of Ferrara, 44121 Ferrara, Italy; (J.C.R.); (C.M.); (C.L.); (C.S.); (G.B.); (G.C.); (F.M.)
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De Marchi E, Pegoraro A, Adinolfi E. Administration of P2X7 Receptor Blockers in Oncological Experimental Models. Methods Mol Biol 2022; 2510:303-314. [PMID: 35776333 DOI: 10.1007/978-1-0716-2384-8_17] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
The tumor microenvironment is rich in components that strongly influence cancer cell survival. One of the pivotal molecules present at the tumor bed is ATP, which has an essential role in promoting cancer proliferation and metastasis and immune responses via its receptor P2X7. Several studies have proved the efficacy of P2X7 pharmacological blockade in inhibiting primary and metastatic tumor growth in preclinical models. Here we describe the experimental procedures that we optimized to test P2X7 roles in carcinogenesis by antagonist administration. Special attention is paid to their concentrations and routes of administration. The depicted in vitro models include cell count and viability assays, which are useful to test P2X7 roles in cell proliferation and vitality, and the soft agar colony formation test that allows investigation of the transforming and invading abilities of tumor cells. We also describe systemic and intramass administration of P2X7 blockers in murine models of melanoma and leukemia. Both xenotransplant and syngeneic experimental tumor models are detailed.
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Affiliation(s)
- Elena De Marchi
- Department of Medical Sciences, University of Ferrara, Ferrara, Italy
| | - Anna Pegoraro
- Department of Medical Sciences, University of Ferrara, Ferrara, Italy
| | - Elena Adinolfi
- Department of Medical Sciences, University of Ferrara, Ferrara, Italy.
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26
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Tattersall L, Shah KM, Lath DL, Singh A, Down JM, De Marchi E, Williamson A, Di Virgilio F, Heymann D, Adinolfi E, Fraser WD, Green D, Lawson MA, Gartland A. The P2RX7B splice variant modulates osteosarcoma cell behaviour and metastatic properties. J Bone Oncol 2021; 31:100398. [PMID: 35340569 PMCID: PMC8948168 DOI: 10.1016/j.jbo.2021.100398] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2021] [Revised: 10/18/2021] [Accepted: 10/19/2021] [Indexed: 02/06/2023] Open
Abstract
P2RX7B expression confers a survival advantage in TE85+P2RX7B and MNNG-HOS+P2RX7B OS cell lines. P2RX7B expression reduced cell adhesion and activation promoted invasion and migration in vitro. MNNG-HOS+P2RX7B tumours in vivo exhibited ectopic bone formation that A740003 reduced. Expression of P2RX7B in primary tumour cells increased the propensity to metastasise to the lungs. A novel gene axis, FN1/LOX/PDGFB/IGFBP3/BMP4 was downregulated in response to A740003.
Background Osteosarcoma (OS) is the most common type of primary bone cancer affecting children and adolescents. OS has a high propensity to spread meaning the disease is often incurable and fatal. There have been no improvements in survival rates for decades. This highlights an urgent need for the development of novel therapeutic strategies. Here, we report in vitro and in vivo data that demonstrates the role of purinergic signalling, specifically, the B isoform of the purinergic receptor P2RX7 (P2RX7B), in OS progression and metastasis. Methods TE85 and MNNG-HOS OS cells were transfected with P2RX7B. These cell lines were then characterised and assessed for proliferation, cell adhesion, migration and invasion in vitro. We used these cells to perform both paratibial and tail vein injected mouse studies where the primary tumour, bone and lungs were analysed. We used RNA-seq to identify responsive pathways relating to P2RX7B. Results Our data shows that P2RX7B expression confers a survival advantage in TE85 + P2RX7B and MNNG-HOS + P2RX7B human OS cell lines in vitro that is minimised following treatment with A740003, a specific P2RX7 antagonist. P2RX7B expression reduced cell adhesion and P2RX7B activation promoted invasion and migration in vitro, demonstrating a metastatic phenotype. Using an in vivo OS xenograft model, MNNG-HOS + P2RX7B tumours exhibited cancer-associated ectopic bone formation that was abrogated with A740003 treatment. A pro-metastatic phenotype was further demonstrated in vivo as expression of P2RX7B in primary tumour cells increased the propensity of tumour cells to metastasise to the lungs. RNA-seq identified a novel gene axis, FN1/LOX/PDGFB/IGFBP3/BMP4, downregulated in response to A740003 treatment. Conclusion Our data illustrates a role for P2RX7B in OS tumour growth, progression and metastasis. We show that P2RX7B is a future therapeutic target in human OS.
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Affiliation(s)
- Luke Tattersall
- The Mellanby Centre for Musculoskeletal Research, Department of Oncology and Metabolism, The University of Sheffield, UK
| | - Karan M. Shah
- The Mellanby Centre for Musculoskeletal Research, Department of Oncology and Metabolism, The University of Sheffield, UK
| | - Darren L. Lath
- The Mellanby Centre for Musculoskeletal Research, Department of Oncology and Metabolism, The University of Sheffield, UK
| | - Archana Singh
- School of Biological Sciences, University of East Anglia, Norwich, UK
| | - Jennifer M. Down
- The Mellanby Centre for Musculoskeletal Research, Department of Oncology and Metabolism, The University of Sheffield, UK
| | - Elena De Marchi
- Department of Medical Sciences, Section of Experimental Medicine, University of Ferrara, Italy
| | - Alex Williamson
- The Mellanby Centre for Musculoskeletal Research, Department of Oncology and Metabolism, The University of Sheffield, UK
| | - Francesco Di Virgilio
- Department of Medical Sciences, Section of Experimental Medicine, University of Ferrara, Italy
| | - Dominique Heymann
- Université de Nantes, Institut de Cancérologie de l’Ouest, Saint-Herblain, France
| | - Elena Adinolfi
- Department of Medical Sciences, Section of Experimental Medicine, University of Ferrara, Italy
| | - William D. Fraser
- Norwich Medical School, University of East Anglia, Norwich Research Park, Norwich, UK
- Clinical Biochemistry, Norfolk and Norwich University Hospital, Norwich Research Park, Norwich, UK
| | - Darrell Green
- Norwich Medical School, University of East Anglia, Norwich Research Park, Norwich, UK
| | - Michelle A. Lawson
- The Mellanby Centre for Musculoskeletal Research, Department of Oncology and Metabolism, The University of Sheffield, UK
| | - Alison Gartland
- The Mellanby Centre for Musculoskeletal Research, Department of Oncology and Metabolism, The University of Sheffield, UK
- Corresponding author.
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P2X7 promotes metastatic spreading and triggers release of miRNA-containing exosomes and microvesicles from melanoma cells. Cell Death Dis 2021; 12:1088. [PMID: 34789738 PMCID: PMC8599616 DOI: 10.1038/s41419-021-04378-0] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Revised: 10/14/2021] [Accepted: 10/29/2021] [Indexed: 12/21/2022]
Abstract
Tumor growth and metastatic spreading are heavily affected by the P2X7 receptor as well as microvesicles and exosomes release into the tumor microenvironment. P2X7 receptor stimulation is known to trigger vesicular release from immune and central nervous system cells. However, P2X7 role in microvesicles and exosomes delivery from tumor cells was never analyzed in depth. Here we show that P2X7 is overexpressed in patients affected by metastatic malignant melanoma and that its expression closely correlates with reduced overall survival. Antagonism of melanoma cell-expressed P2X7 receptor inhibited in vitro anchorage-independent growth and migration and in vivo dissemination and lung metastasis formation. P2X7 stimulation triggered the release of miRNA-containing microvesicles and exosomes from melanoma cells, profoundly altering the nature of their miRNA content, as well as their dimensions and quantity. Among the more than 200 miRNAs that we found up-or-down-modulated for each vesicular fraction tested, we identified three miRNAs, miR-495-3p, miR-376c-3p, and miR-6730-3p, that were enriched in both the exosome and microvesicle fraction in a P2X7-dependent fashion. Interestingly, upon transfection, these miRNAs promoted melanoma cell growth or migration, and their vesicular release was minimized by P2X7 antagonism. Our data unveil an exosome/microvesicle and miRNA-dependent mechanism for the pro-metastatic activity of the P2X7 receptor and highlight this receptor as a suitable prognostic biomarker and therapeutic target in malignant melanoma.
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Dombroski JA, Hope JM, Sarna NS, King MR. Channeling the Force: Piezo1 Mechanotransduction in Cancer Metastasis. Cells 2021; 10:2815. [PMID: 34831037 PMCID: PMC8616475 DOI: 10.3390/cells10112815] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Revised: 10/08/2021] [Accepted: 10/12/2021] [Indexed: 12/25/2022] Open
Abstract
Cancer metastasis is one of the leading causes of death worldwide, motivating research into identifying new methods of preventing cancer metastasis. Recently there has been increasing interest in understanding how cancer cells transduce mechanical forces into biochemical signals, as metastasis is a process that consists of a wide range of physical forces. For instance, the circulatory system through which disseminating cancer cells must transit is an environment characterized by variable fluid shear stress due to blood flow. Cancer cells and other cells can transduce physical stimuli into biochemical responses using the mechanosensitive ion channel Piezo1, which is activated by membrane deformations that occur when cells are exposed to physical forces. When active, Piezo1 opens, allowing for calcium flux into the cell. Calcium, as a ubiquitous second-messenger cation, is associated with many signaling pathways involved in cancer metastasis, such as angiogenesis, cell migration, intravasation, and proliferation. In this review, we discuss the roles of Piezo1 in each stage of cancer metastasis in addition to its roles in immune cell activation and cancer cell death.
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Affiliation(s)
| | | | | | - Michael R. King
- King Lab, Department of Biomedical Engineering, Vanderbilt University, 5824 Stevenson Center, Nashville, TN 37235, USA; (J.A.D.); (J.M.H.); (N.S.S.)
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P2X4 Receptors Mediate Ca 2+ Release from Lysosomes in Response to Stimulation of P2X7 and H 1 Histamine Receptors. Int J Mol Sci 2021; 22:ijms221910492. [PMID: 34638832 PMCID: PMC8508626 DOI: 10.3390/ijms221910492] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Revised: 09/17/2021] [Accepted: 09/22/2021] [Indexed: 01/01/2023] Open
Abstract
The P2X4 purinergic receptor is targeted to endolysosomes, where it mediates an inward current dependent on luminal ATP and pH. Activation of P2X4 receptors was previously shown to trigger lysosome fusion, but the regulation of P2X4 receptors and their role in lysosomal Ca2+ signaling are poorly understood. We show that lysosomal P2X4 receptors are activated downstream of plasma membrane P2X7 and H1 histamine receptor stimulation. When P2X4 receptors are expressed, the increase in near-lysosome cytosolic [Ca2+] is exaggerated, as detected with a low-affinity targeted Ca2+ sensor. P2X4-dependent changes in lysosome properties were triggered downstream of P2X7 receptor activation, including an enlargement of lysosomes indicative of homotypic fusion and a redistribution of lysosomes towards the periphery of the cell. Lysosomal P2X4 receptors, therefore, have a role in regulating lysosomal Ca2+ release and the regulation of lysosomal membrane trafficking.
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To inhibit or to boost the ATP/P2RX7 pathway to fight cancer-that is the question. Purinergic Signal 2021; 17:619-631. [PMID: 34347213 DOI: 10.1007/s11302-021-09811-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Accepted: 07/09/2021] [Indexed: 12/12/2022] Open
Abstract
Despite new biological insights and recent therapeutic advances, many tumors remain at baseline during treatments. Therefore, there is an urgent need to find new therapeutic strategies to improve the care of patients with solid tumors. P2RX7 receptor (P2XR7), an ATP-gated ion channel characterized by its ability to form large pore within the cell membrane, is described by most of the investigators as a "chef d'orchestre" of the antitumor immune response. The purpose of this review is to detail the recent information concerning different cellular mechanisms linking P2RX7 to hallmarks of cancer and to discuss different progresses in elucidating how activation of the ATP/P2RX7/NLRP3/IL-18 pathway is a very promising approach to fight cancer progression by increasing antitumor immune responses.
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Rabelo ILA, Arnaud-Sampaio VF, Adinolfi E, Ulrich H, Lameu C. Cancer Metabostemness and Metabolic Reprogramming via P2X7 Receptor. Cells 2021; 10:1782. [PMID: 34359950 PMCID: PMC8305434 DOI: 10.3390/cells10071782] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Revised: 06/25/2021] [Accepted: 06/27/2021] [Indexed: 12/17/2022] Open
Abstract
The heterogeneity of tumor cell mass and the plasticity of cancer cell phenotypes in solid tumors allow for the insurgence of resistant and metastatic cells, responsible for cancer patients' clinical management's main challenges. Among several factors that are responsible for increased cancer aggression, metabolic reprogramming is recently emerging as an ultimate cancer hallmark, as it is central for cancer cell survival and self-renewal, metastasis and chemoresistance. The P2X7 receptor, whose expression is upregulated in many solid and hematological malignancies, is also emerging as a good candidate in cancer metabolic reprogramming and the regulation of stem cell proliferation and differentiation. Metabostemness refers to the metabolic reprogramming of cancer cells toward less differentiated (CSCs) cellular states, and we believe that there is a strong correlation between metabostemness and P2X7 receptor functions in oncogenic processes. Here, we summarize important aspects of P2X7 receptor functions in normal and tumor tissues as well as essential aspects of its structure, regulation, pharmacology and its clinical use. Finally, we review current knowledge implicating P2X7 receptor functions in cancer-related molecular pathways, in metabolic reprogramming and in metabostemness.
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Affiliation(s)
- Izadora Lorrany Alves Rabelo
- Departamento de Bioquímica, Instituto de Química, Universidade de São Paulo, São Paulo 05508-000, Brazil; (I.L.A.R.); (V.F.A.-S.); (H.U.)
| | - Vanessa Fernandes Arnaud-Sampaio
- Departamento de Bioquímica, Instituto de Química, Universidade de São Paulo, São Paulo 05508-000, Brazil; (I.L.A.R.); (V.F.A.-S.); (H.U.)
| | - Elena Adinolfi
- Department of Medical Sciences, Section of Experimental Medicine, University of Ferrara, 44121 Ferrara, Italy;
| | - Henning Ulrich
- Departamento de Bioquímica, Instituto de Química, Universidade de São Paulo, São Paulo 05508-000, Brazil; (I.L.A.R.); (V.F.A.-S.); (H.U.)
| | - Claudiana Lameu
- Departamento de Bioquímica, Instituto de Química, Universidade de São Paulo, São Paulo 05508-000, Brazil; (I.L.A.R.); (V.F.A.-S.); (H.U.)
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Mai Y, Guo Z, Yin W, Zhong N, Dicpinigaitis PV, Chen R. P2X Receptors: Potential Therapeutic Targets for Symptoms Associated With Lung Cancer - A Mini Review. Front Oncol 2021; 11:691956. [PMID: 34268121 PMCID: PMC8276243 DOI: 10.3389/fonc.2021.691956] [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: 04/07/2021] [Accepted: 06/07/2021] [Indexed: 12/12/2022] Open
Abstract
Symptoms associated with lung cancer mainly consist of cancer-associated pain, cough, fatigue, and dyspnea. However, underlying mechanisms of lung cancer symptom clusters remain unclear. There remains a paucity of effective treatment to ameliorate debilitating symptoms and improve the quality of life of lung cancer survivors. Recently, extracellular ATP and its receptors have attracted increasing attention among researchers in the field of oncology. Extracellular ATP in the tumor microenvironment is associated with tumor cell metabolism, proliferation, and metastasis by driving inflammation and neurotransmission via P2 purinergic signaling. Accordingly, ATP gated P2X receptors expressed on tumor cells, immune cells, and neurons play a vital role in modulating tumor development, invasion, progression, and related symptoms. P2 purinergic signaling is involved in the development of different lung cancer-related symptoms. In this review, we summarize recent findings to illustrate the role of P2X receptors in tumor proliferation, progression, metastasis, and lung cancer- related symptoms, providing an outline of potential anti-neoplastic activity of P2X receptor antagonists. Furthermore, compared with opioids, P2X receptor antagonists appear to be innovative therapeutic interventions for managing cancer symptom clusters with fewer side effects.
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Affiliation(s)
- Yonglin Mai
- Department of Allergy and Clinical Immunology, State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Zhihua Guo
- Department of Thoracic Surgery, State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Weiqiang Yin
- Department of Thoracic Surgery, State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Nanshan Zhong
- Department of Allergy and Clinical Immunology, State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Peter V Dicpinigaitis
- Department of Medicine, Albert Einstein College of Medicine & Montefiore Medical Center, Bronx, NY, United States
| | - Ruchong Chen
- Department of Allergy and Clinical Immunology, State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
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Doray A, Lemoine R, Severin M, Chadet S, Lopez-Charcas O, Héraud A, Baron C, Besson P, Monteil A, Pedersen SF, Roger S. The Voltage-Gated Sodium Channel Beta4 Subunit Maintains Epithelial Phenotype in Mammary Cells. Cells 2021; 10:1624. [PMID: 34209614 PMCID: PMC8304757 DOI: 10.3390/cells10071624] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2021] [Revised: 06/17/2021] [Accepted: 06/25/2021] [Indexed: 11/16/2022] Open
Abstract
The SCN4B gene, coding for the NaVβ4 subunit of voltage-gated sodium channels, was recently found to be expressed in normal epithelial cells and down-regulated in several cancers. However, its function in normal epithelial cells has not been characterized. In this study, we demonstrated that reducing NaVβ4 expression in MCF10A non-cancer mammary epithelial cells generated important morphological changes observed both in two-dimensional cultures and in three-dimensional cysts. Most notably, the loss of NaVβ4 induced a complete loss of epithelial organisation in cysts and increased proteolytic activity towards the extracellular matrix. Loss of epithelial morphology was associated with an increased degradation of β-catenin, reduced E-cadherin expression and induction of mesenchymal markers N-cadherin, vimentin, and α-SMA expression. Overall, our results suggest that Navβ4 may participate in the maintenance of the epithelial phenotype in mammary cells and that its downregulation might be a determining step in early carcinogenesis.
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Affiliation(s)
- Adélaïde Doray
- Transplantation, Immunologie et Inflammation T2I-EA 4245, Université de Tours, 37044 Tours, France; (A.D.); (R.L.); (S.C.); (O.L.-C.); (A.H.); (C.B.); (P.B.)
| | - Roxane Lemoine
- Transplantation, Immunologie et Inflammation T2I-EA 4245, Université de Tours, 37044 Tours, France; (A.D.); (R.L.); (S.C.); (O.L.-C.); (A.H.); (C.B.); (P.B.)
| | - Marc Severin
- Section for Cell Biology and Physiology, Department of Biology, Faculty of Science, University of Copenhagen, 2100 Copenhagen, Denmark; (M.S.); (S.F.P.)
| | - Stéphanie Chadet
- Transplantation, Immunologie et Inflammation T2I-EA 4245, Université de Tours, 37044 Tours, France; (A.D.); (R.L.); (S.C.); (O.L.-C.); (A.H.); (C.B.); (P.B.)
| | - Osbaldo Lopez-Charcas
- Transplantation, Immunologie et Inflammation T2I-EA 4245, Université de Tours, 37044 Tours, France; (A.D.); (R.L.); (S.C.); (O.L.-C.); (A.H.); (C.B.); (P.B.)
| | - Audrey Héraud
- Transplantation, Immunologie et Inflammation T2I-EA 4245, Université de Tours, 37044 Tours, France; (A.D.); (R.L.); (S.C.); (O.L.-C.); (A.H.); (C.B.); (P.B.)
| | - Christophe Baron
- Transplantation, Immunologie et Inflammation T2I-EA 4245, Université de Tours, 37044 Tours, France; (A.D.); (R.L.); (S.C.); (O.L.-C.); (A.H.); (C.B.); (P.B.)
| | - Pierre Besson
- Transplantation, Immunologie et Inflammation T2I-EA 4245, Université de Tours, 37044 Tours, France; (A.D.); (R.L.); (S.C.); (O.L.-C.); (A.H.); (C.B.); (P.B.)
| | - Arnaud Monteil
- Institut de Génomique Fonctionnelle, University of Montpellier, CNRS UMR 5203, INSERM U1191, 34094 Montpellier, France;
| | - Stine Falsig Pedersen
- Section for Cell Biology and Physiology, Department of Biology, Faculty of Science, University of Copenhagen, 2100 Copenhagen, Denmark; (M.S.); (S.F.P.)
| | - Sébastien Roger
- Transplantation, Immunologie et Inflammation T2I-EA 4245, Université de Tours, 37044 Tours, France; (A.D.); (R.L.); (S.C.); (O.L.-C.); (A.H.); (C.B.); (P.B.)
- Institut Universitaire de France (IUF), 75231 Paris, France
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Zhao Y, Chen X, Lyu S, Ding Z, Wu Y, Gao Y, Du J. Identification of novel P2X7R antagonists by using structure-based virtual screening and cell-based assays. Chem Biol Drug Des 2021; 98:192-205. [PMID: 33993620 DOI: 10.1111/cbdd.13867] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Revised: 04/30/2021] [Accepted: 05/08/2021] [Indexed: 12/13/2022]
Abstract
In the tumor microenvironment, inflammation and necrosis cause the accumulations of ATP extracellularly, and high concentrations of ATP can activate P2X7 receptors (P2X7R), which leads to the influx of Na+ , K+ , or Ca2+ into cells and trigger the downstream signaling pathways. P2X7R is a relatively unique ligand-gated ion channel, which is over-expressed in most tumor cells. The activated P2X7R facilitates the tumor growth, invasion, and metastasis. Inhibition of the P2X7R activation can be applied as a potential anti-tumor therapy strategy. There are currently no anti-tumor agents against P2X7R, though several P2X7R antagonists for indications such as anti-inflammatory and anti-depression were reported. In this study, we combined homology modeling (HM), virtual screening, and EB intake assay to characterize the structural features of P2X7R and identify several novel antagonists, which were chemically different from any other known P2X7R antagonists. The identified antagonists could effectively prevent the pore opening of P2X7R with IC50 values ranging from 29.14 to 35.34 μM. HM model showed the area between ATP-binding pocket, and allosteric sides were hydrophobic and suitable for small molecule interaction. Molecular docking indicated a universal binding mode, of which residues R294 and K311 were used as hydrogen bond donors to participate in antagonist interactions. The binding mode can potentially be utilized for inhibitor optimization for increased affinity, and the identified antagonists can be further tested for anti-cancer activity or may serve as chemical agents to study P2X7R related functions.
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Affiliation(s)
- Yunshuo Zhao
- School of Life Sciences, Zhengzhou University, Zhengzhou, China
| | - Xiaotong Chen
- School of Life Sciences, Zhengzhou University, Zhengzhou, China
| | - Sifan Lyu
- School of Life Sciences, Zhengzhou University, Zhengzhou, China
| | - Zhe Ding
- School of Life Sciences, Zhengzhou University, Zhengzhou, China
| | - Yahong Wu
- School of Life Sciences, Zhengzhou University, Zhengzhou, China
| | - Yanfeng Gao
- School of Life Sciences, Zhengzhou University, Zhengzhou, China
| | - Jiangfeng Du
- School of Life Sciences, Zhengzhou University, Zhengzhou, China
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Drill M, Jones NC, Hunn M, O'Brien TJ, Monif M. Antagonism of the ATP-gated P2X7 receptor: a potential therapeutic strategy for cancer. Purinergic Signal 2021; 17:215-227. [PMID: 33728582 PMCID: PMC8155177 DOI: 10.1007/s11302-021-09776-9] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Accepted: 02/18/2021] [Indexed: 12/19/2022] Open
Abstract
The P2X receptor 7 (P2X7R) is a plasma membrane receptor sensing extracellular ATP associated with a wide variety of cellular functions. It is most commonly expressed on immune cells and is highly upregulated in a number of human cancers where it can play a trophic role in tumorigenesis. Activation of this receptor leads to the formation of a non-selective cation channel, which has been associated with several cellular functions mediated by the PI3K/Akt pathway and protein kinases. Due to its broad range of functions, the receptor represents a potential therapeutic target for a number of cancers. This review describes the range of mechanisms associated with P2X7R activation in cancer settings and highlights the potential of targeted inhibition of P2X7R as a therapy. It also describes in detail a number of key P2X7R antagonists currently in pre-clinical and clinical development, including oxidised ATP, Brilliant Blue G (BBG), KN-62, KN-04, A740003, A438079, GSK1482160, CE-224535, JNJ-54175446, JNJ-55308942, and AZ10606120. Lastly, it summarises the in vivo studies and clinical trials associated with the use and development of these P2X7R antagonists in different disease contexts.
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Affiliation(s)
- Matthew Drill
- Department of Neuroscience, Faculty of Medicine, Nursing and Health Sciences, Central Clinical School, Monash University, Melbourne, VIC, Australia
- Department of Physiology, Melbourne University, Parkville, VIC, Australia
- Department of Neurology, Alfred Health, Melbourne, VIC, Australia
| | - Nigel C Jones
- Department of Neuroscience, Faculty of Medicine, Nursing and Health Sciences, Central Clinical School, Monash University, Melbourne, VIC, Australia
| | - Martin Hunn
- Department of Neuroscience, Faculty of Medicine, Nursing and Health Sciences, Central Clinical School, Monash University, Melbourne, VIC, Australia
- Department of Neurosurgery, Alfred Hospital, Melbourne, VIC, Australia
| | - Terence J O'Brien
- Department of Neuroscience, Faculty of Medicine, Nursing and Health Sciences, Central Clinical School, Monash University, Melbourne, VIC, Australia
- Department of Neurology, Alfred Health, Melbourne, VIC, Australia
| | - Mastura Monif
- Department of Neuroscience, Faculty of Medicine, Nursing and Health Sciences, Central Clinical School, Monash University, Melbourne, VIC, Australia.
- Department of Physiology, Melbourne University, Parkville, VIC, Australia.
- Department of Neurology, Alfred Health, Melbourne, VIC, Australia.
- Department of Neurology, Melbourne Health, Parkville, VIC, Australia.
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Zhang WJ, Luo C, Huang C, Pu FQ, Zhu JF, Zhu ZM. PI3K/Akt/GSK-3β signal pathway is involved in P2X7 receptor-induced proliferation and EMT of colorectal cancer cells. Eur J Pharmacol 2021; 899:174041. [PMID: 33737010 DOI: 10.1016/j.ejphar.2021.174041] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Revised: 03/08/2021] [Accepted: 03/12/2021] [Indexed: 12/15/2022]
Abstract
P2X7 receptor (P2X7R) plays an important role in regulating the growth of tumor cells. However, the role of P2X7R in colorectal cancer (CRC) has remained poorly understood. Therefore, in this study, in vivo and in vitro experiments were performed to investigate the effect of P2X7R on the proliferation of CRC. The results showed that P2X7R was expressed in CRC cell lines (SW620 and HCT116). ATP and BzATP increased the expression of P2X7R in CRC cells, while the application of P2X7R antagonist A438079 and AZD9056 decreased the P2X7R expression induced by BzATP. Moreover, ATP and BzATP induced the activation of P2X7R to promote the proliferation, migration and invasion of CRC cells. Conversely, A438079, AZD9056 or siRNA transfection targeting P2X7R (siP2X7R) knockdown P2X7R expression inhibited the proliferation and migration of CRC cells. TGF-β1 promoted the migration and invasion of CRC cells, while the application of P2X7R antagonist could inhibit TGF-β1 induced migration of CRC cells. Furthermore, activation of P2X7R increased the expression of Vimentin, Snail, Fibronectin and decreased the expression of E-cadherin. While reducing the expression of P2X7R could inhibit these genes expression. In addition, ATP and BzATP increased the expression of p-Akt, p-GSK-3beta and β-catenin via P2X7R. P13/Akt pathway inhibitor LY294002 inhibited the proliferation of CRC cells, and the P13/Akt signaling was required for BzATP induced the proliferation of CRC cells. Our conclusion is that P2X7R mediated the PI3K/Akt/GSK-3beta signaling to promote the proliferation and EMT of CRC, indicating that P2X7R may be used as a potential therapeutic target for CRC.
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Affiliation(s)
- Wen-Jun Zhang
- Gastrointestinal Surgery, The Second Affiliated Hospital, Nanchang University, Nanchang City, Jiangxi province, China; Molecular Center Key Laboratory, The Second Affiliated Hospital, Nanchang University, Nanchang City, Jiangxi province, China
| | - Chen Luo
- Gastrointestinal Surgery, The Second Affiliated Hospital, Nanchang University, Nanchang City, Jiangxi province, China; Molecular Center Key Laboratory, The Second Affiliated Hospital, Nanchang University, Nanchang City, Jiangxi province, China
| | - Chao Huang
- Gastrointestinal Surgery, The Second Affiliated Hospital, Nanchang University, Nanchang City, Jiangxi province, China; Molecular Center Key Laboratory, The Second Affiliated Hospital, Nanchang University, Nanchang City, Jiangxi province, China
| | - Fan-Qin Pu
- Gastrointestinal Surgery, The Second Affiliated Hospital, Nanchang University, Nanchang City, Jiangxi province, China; Molecular Center Key Laboratory, The Second Affiliated Hospital, Nanchang University, Nanchang City, Jiangxi province, China
| | - Jin-Feng Zhu
- Gastrointestinal Surgery, The Second Affiliated Hospital, Nanchang University, Nanchang City, Jiangxi province, China; Molecular Center Key Laboratory, The Second Affiliated Hospital, Nanchang University, Nanchang City, Jiangxi province, China
| | - Zheng-Ming Zhu
- Gastrointestinal Surgery, The Second Affiliated Hospital, Nanchang University, Nanchang City, Jiangxi province, China; Molecular Center Key Laboratory, The Second Affiliated Hospital, Nanchang University, Nanchang City, Jiangxi province, China.
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Lee D, Hong JH. Ca 2+ Signaling as the Untact Mode during Signaling in Metastatic Breast Cancer. Cancers (Basel) 2021; 13:1473. [PMID: 33806911 PMCID: PMC8004807 DOI: 10.3390/cancers13061473] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2021] [Revised: 03/21/2021] [Accepted: 03/22/2021] [Indexed: 01/06/2023] Open
Abstract
Metastatic features of breast cancer in the brain are considered a common pathology in female patients with late-stage breast cancer. Ca2+ signaling and the overexpression pattern of Ca2+ channels have been regarded as oncogenic markers of breast cancer. In other words, breast tumor development can be mediated by inhibiting Ca2+ channels. Although the therapeutic potential of inhibiting Ca2+ channels against breast cancer has been demonstrated, the relationship between breast cancer metastasis and Ca2+ channels is not yet understood. Thus, we focused on the metastatic features of breast cancer and summarized the basic mechanisms of Ca2+-related proteins and channels during the stages of metastatic breast cancer by evaluating Ca2+ signaling. In particular, we highlighted the metastasis of breast tumors to the brain. Thus, modulating Ca2+ channels with Ca2+ channel inhibitors and combined applications will advance treatment strategies for breast cancer metastasis to the brain.
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Affiliation(s)
| | - Jeong Hee Hong
- Department of Health Sciences and Technology, Lee Gil Ya Cancer and Diabetes Institute, GAIHST, Gachon University, 155 Getbeolro, Yeonsu-gu, Incheon 21999, Korea;
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Zefferino R, Piccoli C, Di Gioia S, Capitanio N, Conese M. How Cells Communicate with Each Other in the Tumor Microenvironment: Suggestions to Design Novel Therapeutic Strategies in Cancer Disease. Int J Mol Sci 2021; 22:ijms22052550. [PMID: 33806300 PMCID: PMC7961918 DOI: 10.3390/ijms22052550] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2021] [Revised: 02/25/2021] [Accepted: 02/26/2021] [Indexed: 02/06/2023] Open
Abstract
Connexin- and pannexin (Panx)-formed hemichannels (HCs) and gap junctions (GJs) operate an interaction with the extracellular matrix and GJ intercellular communication (GJIC), and on account of this they are involved in cancer onset and progression towards invasiveness and metastatization. When we deal with cancer, it is not correct to omit the immune system, as well as neglecting its role in resisting or succumbing to formation and progression of incipient neoplasia until the formation of micrometastasis, nevertheless what really occurs in the tumor microenvironment (TME), which are the main players and which are the tumor or body allies, is still unclear. The goal of this article is to discuss how the pivotal players act, which can enhance or contrast cancer progression during two important process: "Activating Invasion and Metastasis" and the "Avoiding Immune Destruction", with a particular emphasis on the interplay among GJIC, Panx-HCs, and the purinergic system in the TME without disregarding the inflammasome and cytokines thereof derived. In particular, the complex and contrasting roles of Panx1/P2X7R signalosome in tumor facilitation and/or inhibition is discussed in regard to the early/late phases of the carcinogenesis. Finally, considering this complex interplay in the TME between cancer cells, stromal cells, immune cells, and focusing on their means of communication, we should be capable of revealing harmful messages that help the cancer growth and transform them in body allies, thus designing novel therapeutic strategies to fight cancer in a personalized manner.
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Affiliation(s)
- Roberto Zefferino
- Department of Medical and Surgical Sciences, University of Foggia, 71122 Foggia, Italy; (S.D.G.); (M.C.)
- Correspondence: ; Tel.: +39-0881-884673
| | - Claudia Piccoli
- Department of Clinical and Experimental Medicine, University of Foggia, 71122 Foggia, Italy; (C.P.); (N.C.)
| | - Sante Di Gioia
- Department of Medical and Surgical Sciences, University of Foggia, 71122 Foggia, Italy; (S.D.G.); (M.C.)
| | - Nazzareno Capitanio
- Department of Clinical and Experimental Medicine, University of Foggia, 71122 Foggia, Italy; (C.P.); (N.C.)
| | - Massimo Conese
- Department of Medical and Surgical Sciences, University of Foggia, 71122 Foggia, Italy; (S.D.G.); (M.C.)
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Zhang WJ. Effect of P2X purinergic receptors in tumor progression and as a potential target for anti-tumor therapy. Purinergic Signal 2021; 17:151-162. [PMID: 33420658 PMCID: PMC7954979 DOI: 10.1007/s11302-020-09761-8] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2020] [Accepted: 12/10/2020] [Indexed: 02/06/2023] Open
Abstract
The development of tumors is a complex pathological process involving multiple factors, multiple steps, and multiple genes. Their prevention and treatment have always been a difficult problem at present. A large number of studies have proved that the tumor microenvironment plays an important role in the progression of tumors. The tumor microenvironment is the place where tumor cells depend for survival, and it plays an important role in regulating the growth, proliferation, apoptosis, migration, and invasion of tumor cells. P2X purinergic receptors, which depend on the ATP ion channel, can be activated by ATP in the tumor microenvironment, and by mediating tumor cells and related cells (such as immune cells) in the tumor microenvironment. They play an important regulatory role on the effects of the skeleton, membrane fluidity, and intracellular molecular metabolism of tumor cells. Therefore, here, we outlined the biological characteristics of P2X purinergic receptors, described the effect of tumor microenvironment on tumor progression, and discussed the effect of ATP on tumor. Moreover, we explored the role of P2X purinergic receptors in the development of tumors and anti-tumor therapy. These data indicate that P2X purinergic receptors may be used as another potential pharmacological target for tumor prevention and treatment.
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Affiliation(s)
- Wen-Jun Zhang
- Gastrointestinal Surgery, The Second Affiliated Hospital, Nanchang University, Nanchang, 343000, Jiangxi, China.
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40
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Alburquerque-González B, Bernabé-García Á, Bernabé-García M, Ruiz-Sanz J, López-Calderón FF, Gonnelli L, Banci L, Peña-García J, Luque I, Nicolás FJ, Cayuela-Fuentes ML, Luchinat E, Pérez-Sánchez H, Montoro-García S, Conesa-Zamora P. The FDA-Approved Antiviral Raltegravir Inhibits Fascin1-Dependent Invasion of Colorectal Tumor Cells In Vitro and In Vivo. Cancers (Basel) 2021; 13:cancers13040861. [PMID: 33670655 PMCID: PMC7921938 DOI: 10.3390/cancers13040861] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2021] [Revised: 02/12/2021] [Accepted: 02/15/2021] [Indexed: 01/29/2023] Open
Abstract
Simple Summary Colorectal cancer (CRC) is the third leading cause of cancer-related deaths worldwide. Serrated adenocarcinoma (SAC) has been recently recognized by the WHO as a histological CRC with bad prognosis. Consistent with previous evidence, our group identified Fascin1 as a protein directly related to the invasiveness of tumor cells, overexpressed and positively correlated with worse survival in various carcinomas, including SAC. Therefore, Fascin1 has emerged as an ideal target for cancer treatment. In the present study, virtual screening has been carried out from a library of 9591 compounds, thus identifying the FDA-approved anti-retroviral raltegravir (RAL) as a potential Fascin1 blocker. In vitro and in vivo results show that RAL exhibits Fascin1-binding activity and Fascin1-dependent anti-invasive and anti-metastatic properties against CRC cells both in vitro and in vivo. Abstract Background: Fascin1 is the key actin-bundling protein involved in cancer invasion and metastasis whose expression is associated with bad prognosis in tumor from different origins. Methods: In the present study, virtual screening (VS) was performed for the search of Fascin1 inhibitors and RAL, an FDA-approved inhibitor of human immunodeficiency virus-1 (HIV-1) integrase, was identified as a potential Fascin1 inhibitor. Biophysical techniques including nuclear magnetic resonance (NMR) and differential scanning fluorimetry (DSF) were carried out in order to confirm RAL as a Fascin1 blocker. The effect of RAL on actin-bundling activity Fascin1 was assessed by transmission electron microscopy (TEM), immunofluorescence, migration, and invasion assays on two human colorectal adenocarcinoma cell lines: HCT-116 and DLD-1. In addition, the anti-metastatic potential of RAL was in vivo evaluated by using the zebrafish animal model. Results: NMR and DSF confirmed in silico predictions and TEM demonstrated the RAL-induced disorganization of the actin structure compared to control conditions. The protrusion of lamellipodia in cancer cell line overexpressing Fascin1 (HCT-116) was abolished in the presence of this drug. By following the addition of RAL, migration of HCT-116 and DLD-1 cell lines was significantly inhibited. Finally, using endogenous and exogenous models of Fascin1 expression, the invasive capacity of colorectal tumor cells was notably impaired in the presence of RAL in vivo assays; without undesirable cytotoxic effects. Conclusion: The current data show the in vitro and in vivo efficacy of the antiretroviral drug RAL in inhibiting human colorectal cancer cells invasion and metastasis in a Fascin1-dependent manner.
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Affiliation(s)
- Begoña Alburquerque-González
- Department of Pathology and Histology, Campus de los Jerónimos, UCAM Universidad Católica San Antonio de Murcia, s/n, 30107 Murcia, Spain; (B.A.-G.); (F.F.L.-C.)
| | - Ángel Bernabé-García
- Laboratorio de Regeneración, Oncología Molecular y TGF-ß, Biomedical Research Institute of Murcia (IMIB-Arrixaca), Carretera Madrid-Cartagena, El Palmar, 30120 Murcia, Spain; (Á.B.-G.); (F.J.N.)
| | - Manuel Bernabé-García
- Telomerase, Cancer and Aging Group, Biomedical Research Institute of Murcia (IMIB-Arrixaca), 30120 Murcia, Spain; (M.B.-G.); (M.L.C.-F.)
| | - Javier Ruiz-Sanz
- Department of Physical Chemistry, Institute of Biotechnology and Excellence Research Unit of “Chemistry Applied to Biomedicine and the Environment, Spain Campus Fuentenueva s/n, University of Granada, 18071 Granada, Spain; (J.R.-S.); (I.L.)
| | - Fernando Feliciano López-Calderón
- Department of Pathology and Histology, Campus de los Jerónimos, UCAM Universidad Católica San Antonio de Murcia, s/n, 30107 Murcia, Spain; (B.A.-G.); (F.F.L.-C.)
| | - Leonardo Gonnelli
- CERM—Magnetic Resonance Center, Università degli Studi di Firenze, Via Luigi Sacconi 6, 50019 Sesto Fiorentino, Italy; (L.G.); (L.B.); (E.L.)
- Dipartimento di Chimica, Università degli Studi di Firenze, Via della Lastruccia 3, 50019 Sesto Fiorentino, Italy
| | - Lucia Banci
- CERM—Magnetic Resonance Center, Università degli Studi di Firenze, Via Luigi Sacconi 6, 50019 Sesto Fiorentino, Italy; (L.G.); (L.B.); (E.L.)
- Dipartimento di Chimica, Università degli Studi di Firenze, Via della Lastruccia 3, 50019 Sesto Fiorentino, Italy
| | - Jorge Peña-García
- Structural Bioinformatics and High Performance Computing (BIO-HPC) Research Group, Campus de los Jerónimos, s/n, UCAM Universidad Católica San Antonio de Murcia, Guadalupe, 30107 Murcia, Spain; (J.P.-G.); (H.P.-S.)
| | - Irene Luque
- Department of Physical Chemistry, Institute of Biotechnology and Excellence Research Unit of “Chemistry Applied to Biomedicine and the Environment, Spain Campus Fuentenueva s/n, University of Granada, 18071 Granada, Spain; (J.R.-S.); (I.L.)
| | - Francisco José Nicolás
- Laboratorio de Regeneración, Oncología Molecular y TGF-ß, Biomedical Research Institute of Murcia (IMIB-Arrixaca), Carretera Madrid-Cartagena, El Palmar, 30120 Murcia, Spain; (Á.B.-G.); (F.J.N.)
| | - María Luisa Cayuela-Fuentes
- Telomerase, Cancer and Aging Group, Biomedical Research Institute of Murcia (IMIB-Arrixaca), 30120 Murcia, Spain; (M.B.-G.); (M.L.C.-F.)
| | - Enrico Luchinat
- CERM—Magnetic Resonance Center, Università degli Studi di Firenze, Via Luigi Sacconi 6, 50019 Sesto Fiorentino, Italy; (L.G.); (L.B.); (E.L.)
- Consorzio per lo Sviluppo dei Sistemi a Grande Interfase—CSGI, Via della Lastruccia 3, 50019 Sesto Fiorentino, Italy
| | - Horacio Pérez-Sánchez
- Structural Bioinformatics and High Performance Computing (BIO-HPC) Research Group, Campus de los Jerónimos, s/n, UCAM Universidad Católica San Antonio de Murcia, Guadalupe, 30107 Murcia, Spain; (J.P.-G.); (H.P.-S.)
| | - Silvia Montoro-García
- Cell Culture Lab, Facultad de Ciencias de la Salud, Campus de los Jerónimos, s/n, UCAM Universidad Católica San Antonio de Murcia, Guadalupe, 30107 Murcia, Spain
- Correspondence: (S.M.-G.); (P.C.-Z.); Tel.: +34-9681-286-02 (Ext. 951615) (P.C.-Z.)
| | - Pablo Conesa-Zamora
- Laboratory Medicine Department, Group of Molecular Pathology and Pharmacogenetics, Biomedical Research Institute from Murcia (IMIB), Hospital Universitario Santa Lucía, c/Mezquita sn, 30202 Cartagena, Spain
- Correspondence: (S.M.-G.); (P.C.-Z.); Tel.: +34-9681-286-02 (Ext. 951615) (P.C.-Z.)
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Sharma S, Kalra H, Akundi RS. Extracellular ATP Mediates Cancer Cell Migration and Invasion Through Increased Expression of Cyclooxygenase 2. Front Pharmacol 2021; 11:617211. [PMID: 33584298 PMCID: PMC7873692 DOI: 10.3389/fphar.2020.617211] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2020] [Accepted: 12/23/2020] [Indexed: 12/13/2022] Open
Abstract
The tumor microenvironment plays a major role in the ability of the tumor cells to undergo metastasis. A major player of tumors gaining metastatic property is the inflammatory protein, cyclooxygenase 2 (COX-2). Several tumors show upregulation of this protein, which has been implicated in mediating metastasis in various cancer types such as of colon, breast and lung. In this report, we show that the concentration of extracellular ATP (eATP) is increased in response to cell death mediated by chemotherapeutic agents such as doxorubicin. By using three different cell-lines-HeLa (cervical), IMR-32 (neuronal) and MCF-7 (breast)-we show that this eATP goes on to act on purinergic (P2) receptors. Among the various P2 receptors expressed in these cells we identified P2X7, in IMR-32 and MCF-7 cells, and P2Y12, in HeLa cells, as important in modulating cell migration and invasion. Downstream of the P2 receptor activation, both p42/44 mitogen-activated protein kinase (MAPK) and the p38 MAPK are activated in these cells. These result in an increase in the expression of COX-2 mRNA and protein. We also observe an increase in the activity of matrix metalloproteinase 2 (MMP-2) enzyme in these cells. Blocking the P2 receptors not only blocks migration and invasion, but also COX-2 synthesis and MMP-2 activity. Our results show the link between purinergic receptors and COX-2 expression. Increased levels of ATP in the tumor microenvironment, therefore, leads to increased COX-2 expression, which, in turn, affords migratory and invasive properties to the tumor. This provides P2 receptor-based anti-inflammatory drugs (PBAIDs) a potential opportunity to be explored as cancer therapeutics.
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Affiliation(s)
- Shilpa Sharma
- Neuroinflammation Research Lab, Faculty of Life Sciences and Biotechnology, South Asian University, New Delhi, India
| | - Harshit Kalra
- Neuroinflammation Research Lab, Faculty of Life Sciences and Biotechnology, South Asian University, New Delhi, India
| | - Ravi Shankar Akundi
- Neuroinflammation Research Lab, Faculty of Life Sciences and Biotechnology, South Asian University, New Delhi, India
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Zhu X, Li Q, Song W, Peng X, Zhao R. P2X7 receptor: a critical regulator and potential target for breast cancer. J Mol Med (Berl) 2021; 99:349-358. [PMID: 33486566 DOI: 10.1007/s00109-021-02041-x] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Revised: 01/13/2021] [Accepted: 01/14/2021] [Indexed: 12/24/2022]
Abstract
Breast cancer is currently the most common cancer and the leading cause of cancer death among women worldwide. Advanced breast cancer is prone to metastasis, and there is currently no drug to cure metastatic breast cancer. The purinergic ligand-gated ion channel 7 receptor is an ATP-gated nonselective cation channel receptor and is involved in signal transduction, growth regulation, cytokine secretion, and tumor cell development. Recent studies have shown that upregulation of the P2X7 receptor in breast cancer can mediate AKT signaling pathways, Ca2 þ-activated SK3 potassium channels, and EMT and regulate the secretion of small extracellular vesicles to promote breast cancer invasion and migration, which are affected by factors such as hypoxia and ATP. In addition, studies have shown that microRNAs can bind to the 3' untranslated region of the P2X7 receptor, which affects the occurrence and development of breast cancer by upregulating and downregulating P2X7 receptor expression. Studies have shown that new P2X7 receptor inhibitors, such as emodin and Uncaria tomentosa, can inhibit P2X7 receptor-mediated breast cancer invasion and are expected to be used clinically. This article reviews the research progress on the relationship between the P2X7 receptor and breast cancer to provide new ideas and a basis for clinical diagnosis and treatment.
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Affiliation(s)
- Xiaodi Zhu
- School of Medical Laboratory, Weifang Medical University, Weifang, Shandong, China
| | - Qianqian Li
- School of Medical Laboratory, Weifang Medical University, Weifang, Shandong, China
| | - Wei Song
- School of Medical Laboratory, Weifang Medical University, Weifang, Shandong, China
| | - Xiaoxiang Peng
- School of Medical Laboratory, Weifang Medical University, Weifang, Shandong, China.
| | - Ronglan Zhao
- School of Medical Laboratory, Weifang Medical University, Weifang, Shandong, China.
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Abstract
The P2X7 receptor for extracellular ATP is a well-established mediator of tumoral development and progression both in solid cancers and hematological malignancies. The human P2X7 gene is highly polymorphic, and several splice variants of the receptor have been identified in time. P2X7 single-nucleotide polymorphisms (SNPs) have been broadly analyzed by studies relating them to pathologies as different as infectious, inflammatory, nervous, and bone diseases, among which cancer is included. Moreover, in the last years, an increasing number of reports concentrated on P2X7 splice variants’ different roles and their implications in pathological conditions, including oncogenesis. Here, we give an overview of established and recent literature demonstrating a role for human P2X7 gene products in oncological conditions, mainly focusing on current data emerging on P2X7 isoform B and nfP2X7. We explored the role of these and other genetic variants of P2X7 in cancer insurgence, dissemination, and progression, as well as the effect of chemotherapy on isoforms expression. The described literature strongly suggests that P2X7 variants are potential new biomarkers and therapeutical targets in oncological conditions and that their study in carcinogenesis deserves to be further pursued.
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Dutot M, Olivier E, Fouyet S, Magny R, Hammad K, Roulland E, Rat P, Fagon R. In Vitro Chemopreventive Potential of Phlorotannins-Rich Extract from Brown Algae by Inhibition of Benzo[a]pyrene-Induced P2X7 Activation and Toxic Effects. Mar Drugs 2021; 19:34. [PMID: 33466689 PMCID: PMC7828825 DOI: 10.3390/md19010034] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2020] [Revised: 01/04/2021] [Accepted: 01/12/2021] [Indexed: 12/15/2022] Open
Abstract
Phlorotannins are polyphenols occurring exclusively in some species of brown algae, known for numerous biological activities, e.g., antioxidant, antiproliferative, antidiabetic, and antiallergic properties. Their effects on the response of human lung cells to benzo[a]pyrene (B[a]P) has not been characterized. Our objective was to in vitro evaluate the effects of a phlorotannin-rich extract obtained from the brown algae Ascophyllum nodosum and Fucus vesiculosus on B[a]P cytotoxic effects. The A549 cell line was incubated with B[a]P for 48 and 72 h in the presence or absence of the brown algae extract. Cytochrome P450 activity, activation of P2X7 receptor, F-actin disorganization, and loss of E-cadherin expression were assessed using microplate cytometry and fluorescence microscopy. Relative to control, incubation with the brown algae extract was associated with lower B[a]P-induced CYP1 activity, lower P2X7 receptor activation, and lower reactive oxygen species production. The brown algae extract inhibited the alterations of F-actin arrangement and the downregulation of E-cadherin expression. We identified a phlorotannins-rich extract that could be deeper investigated as a cancer chemopreventive agent to block B[a]P-mediated carcinogenesis.
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Affiliation(s)
- Mélody Dutot
- Recherche & Développement, Yslab, 29000 Quimper, France;
- Faculté de Pharmacie de Paris, UMR CNRS 8038, Université de Paris, 75006 Paris, France; (E.O.); (S.F.); (R.M.); (K.H.); (E.R.); (P.R.)
| | - Elodie Olivier
- Faculté de Pharmacie de Paris, UMR CNRS 8038, Université de Paris, 75006 Paris, France; (E.O.); (S.F.); (R.M.); (K.H.); (E.R.); (P.R.)
| | - Sophie Fouyet
- Faculté de Pharmacie de Paris, UMR CNRS 8038, Université de Paris, 75006 Paris, France; (E.O.); (S.F.); (R.M.); (K.H.); (E.R.); (P.R.)
| | - Romain Magny
- Faculté de Pharmacie de Paris, UMR CNRS 8038, Université de Paris, 75006 Paris, France; (E.O.); (S.F.); (R.M.); (K.H.); (E.R.); (P.R.)
| | - Karim Hammad
- Faculté de Pharmacie de Paris, UMR CNRS 8038, Université de Paris, 75006 Paris, France; (E.O.); (S.F.); (R.M.); (K.H.); (E.R.); (P.R.)
| | - Emmanuel Roulland
- Faculté de Pharmacie de Paris, UMR CNRS 8038, Université de Paris, 75006 Paris, France; (E.O.); (S.F.); (R.M.); (K.H.); (E.R.); (P.R.)
| | - Patrice Rat
- Faculté de Pharmacie de Paris, UMR CNRS 8038, Université de Paris, 75006 Paris, France; (E.O.); (S.F.); (R.M.); (K.H.); (E.R.); (P.R.)
| | - Roxane Fagon
- Recherche & Développement, Yslab, 29000 Quimper, France;
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P2X7 receptor and the NLRP3 inflammasome: Partners in crime. Biochem Pharmacol 2020; 187:114385. [PMID: 33359010 DOI: 10.1016/j.bcp.2020.114385] [Citation(s) in RCA: 87] [Impact Index Per Article: 21.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2020] [Revised: 12/16/2020] [Accepted: 12/17/2020] [Indexed: 12/13/2022]
Abstract
Adenosine triphosphate (ATP) is a molecule that on one hand plays a central role in cellular energetics and which on the other is a ubiquitous signaling molecule when released into the extracellular media. Extracellular ATP accumulates in inflammatory environments where it acts as a damage-associated molecular pattern and activates the purinergic P2X receptor 7 (P2X7) in immune cells. P2X7 receptor activation induces the formation of the nucleotide-binding domain, leucine-rich-containing family, pyrin domain-containing 3 (NLRP3) inflammasome and the activation of the inflammatory caspase-1. Caspase-1 causes an inflammatory type of cell death called pyroptosis through the release of pro-inflammatory cytokines and intracellular content. Consequently, intense research efforts have been devoted to the design of novel anti-inflammatory therapies, focusing in particular on the P2X7 receptor and the NLRP3 pathway and the introduction of new blocking molecules in early phase clinical trials.
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Pratt SJP, Hernández-Ochoa E, Martin SS. Calcium signaling: breast cancer's approach to manipulation of cellular circuitry. Biophys Rev 2020; 12:1343-1359. [PMID: 33569087 PMCID: PMC7755621 DOI: 10.1007/s12551-020-00771-9] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2020] [Accepted: 10/29/2020] [Indexed: 12/11/2022] Open
Abstract
Calcium is a versatile element that participates in cell signaling for a wide range of cell processes such as death, cell cycle, division, migration, invasion, metabolism, differentiation, autophagy, transcription, and others. Specificity of calcium in each of these processes is achieved through modulation of intracellular calcium concentrations by changing the characteristics (amplitude/frequency modulation) or location (spatial modulation) of the signal. Breast cancer utilizes calcium signaling as an advantage for survival and progression. This review integrates evidence showing that increases in expression of calcium channels, GPCRs, pumps, effectors, and enzymes, as well as resulting intracellular calcium signals, lead to high calcium and/or an elevated calcium- mobilizing capacity necessary for malignant functions such as migratory, invasive, proliferative, tumorigenic, or metastatic capacities.
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Affiliation(s)
- Stephen J P Pratt
- Program in Biochemistry and Molecular Biology, University of Maryland School of Medicine, Baltimore, MD USA.,Department of Physiology, University of Maryland School of Medicine, Baltimore, MD USA.,Marlene and Stewart Greenebaum NCI Comprehensive Cancer Center, University of Maryland School of Medicine, 655 W. Baltimore Street, Bressler Research Building, Rm 10-020 D, Baltimore, MD 21201 USA
| | - Erick Hernández-Ochoa
- Department of Biochemistry and Molecular Biology, University of Maryland School of Medicine, Baltimore, MD USA
| | - Stuart S Martin
- Program in Biochemistry and Molecular Biology, University of Maryland School of Medicine, Baltimore, MD USA.,Department of Physiology, University of Maryland School of Medicine, Baltimore, MD USA.,Marlene and Stewart Greenebaum NCI Comprehensive Cancer Center, University of Maryland School of Medicine, 655 W. Baltimore Street, Bressler Research Building, Rm 10-020 D, Baltimore, MD 21201 USA
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Zhang WJ, Hu CG, Luo HL, Zhu ZM. Activation of P2×7 Receptor Promotes the Invasion and Migration of Colon Cancer Cells via the STAT3 Signaling. Front Cell Dev Biol 2020; 8:586555. [PMID: 33330466 PMCID: PMC7732635 DOI: 10.3389/fcell.2020.586555] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2020] [Accepted: 10/26/2020] [Indexed: 12/18/2022] Open
Abstract
The pathological mechanism of colon cancer is very complicated. Therefore, exploring the molecular basis of the pathogenesis of colon cancer and finding a new therapeutic target has become an urgent problem to be solved in the treatment of colon cancer. ATP plays an important role in regulating the progression of tumor cells. P2 × 7 belongs to ATP ion channel receptor, which is involved in the progression of tumors. In this study, we explored the effect and molecular mechanism of ATP-mediated P2 × 7 receptor on the migration and metastasis of colon cancer cells. The results showed that ATP and BzATP significantly increased the inward current and intracellular calcium concentration of LOVO and SW480 cells, while the use of antagonists (A438079 and AZD9056) could reverse the above phenomenon. We found that ATP promoted the migration and invasion of LOVO and SW480 cells and is dose-dependent on ATP concentration (100–300 μM). Similarly, BzATP (10, 50, and 100 μM) also significantly promoted the migration and invasion of colon cancer cells in a concentration-dependent manner. While P2 × 7 receptor antagonists [A438079 (10 μM), AZD9056 (10 μM)] or P2 × 7 siRNA could significantly inhibit ATP-induced colon cancer cell migration and invasion. Moreover, in vivo experiments showed that ATP-induced activation of P2 × 7 receptor promoted the growth of tumors. Furthermore, P2 × 7 receptor activation down-regulated E-cadherin protein expression and up-regulated MMP-2 mRNA and concentration levels. Knocking down the expression of P2 × 7 receptor could significantly inhibit the increase in the expression of N-cadherin, Vimentin, Zeb1, and Snail induced by ATP. In addition, ATP time-dependently induced the activation of STAT3 via the P2 × 7 receptor, and the STAT3 pathway was required for the ATP-mediated invasion and migration. Our conclusion is that ATP-induced P2 × 7 receptor activation promotes the migration and invasion of colon cancer cells, possibly via the activation of STAT3 pathway. Therefore, the P2 × 7 receptor may be a potential target for the treatment of colon cancer.
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Affiliation(s)
- Wen-Jun Zhang
- The Second Affiliated Hospital, Nanchang University, Nanchang, China
| | - Ce-Gui Hu
- The Second Affiliated Hospital, Nanchang University, Nanchang, China
| | - Hong-Liang Luo
- The Second Affiliated Hospital, Nanchang University, Nanchang, China
| | - Zheng-Ming Zhu
- The Second Affiliated Hospital, Nanchang University, Nanchang, China
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Martínez-Cuesta MÁ, Blanch-Ruiz MA, Ortega-Luna R, Sánchez-López A, Álvarez Á. Structural and Functional Basis for Understanding the Biological Significance of P2X7 Receptor. Int J Mol Sci 2020; 21:ijms21228454. [PMID: 33182829 PMCID: PMC7696479 DOI: 10.3390/ijms21228454] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2020] [Revised: 11/04/2020] [Accepted: 11/06/2020] [Indexed: 12/11/2022] Open
Abstract
The P2X7 receptor (P2X7R) possesses a unique structure associated to an as yet not fully understood mechanism of action that facilitates cell permeability to large ionic molecules through the receptor itself and/or nearby membrane proteins. High extracellular adenosine triphosphate (ATP) levels—inexistent in physiological conditions—are required for the receptor to be triggered and contribute to its role in cell damage signaling. The inconsistent data on its activation pathways and the few studies performed in natively expressed human P2X7R have led us to review the structure, activation pathways, and specific cellular location of P2X7R in order to analyze its biological relevance. The ATP-gated P2X7R is a homo-trimeric receptor channel that is occasionally hetero-trimeric and highly polymorphic, with at least nine human splice variants. It is localized predominantly in the cellular membrane and has a characteristic plasticity due to an extended C-termini, which confers it the capacity of interacting with membrane structural compounds and/or intracellular signaling messengers to mediate flexible transduction pathways. Diverse drugs and a few endogenous molecules have been highlighted as extracellular allosteric modulators of P2X7R. Therefore, studies in human cells that constitutively express P2X7R need to investigate the precise endogenous mediator located nearby the activation/modulation domains of the receptor. Such research could help us understand the possible physiological ATP-mediated P2X7R homeostasis signaling.
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Affiliation(s)
- María Ángeles Martínez-Cuesta
- Departamento de Farmacología, Facultad de Medicina y Odontología, Universidad de Valencia, 46010 Valencia, Spain; (M.A.B.-R.); (R.O.-L.); (A.S.-L.)
- CIBERehd, Valencia, Spain
- Correspondence: (M.Á.M.-C.); (Á.Á.); Tel.: +34-963983716 (M.Á.M.-C.); +34-963864898 (Á.Á.)
| | - María Amparo Blanch-Ruiz
- Departamento de Farmacología, Facultad de Medicina y Odontología, Universidad de Valencia, 46010 Valencia, Spain; (M.A.B.-R.); (R.O.-L.); (A.S.-L.)
| | - Raquel Ortega-Luna
- Departamento de Farmacología, Facultad de Medicina y Odontología, Universidad de Valencia, 46010 Valencia, Spain; (M.A.B.-R.); (R.O.-L.); (A.S.-L.)
| | - Ainhoa Sánchez-López
- Departamento de Farmacología, Facultad de Medicina y Odontología, Universidad de Valencia, 46010 Valencia, Spain; (M.A.B.-R.); (R.O.-L.); (A.S.-L.)
| | - Ángeles Álvarez
- Departamento de Farmacología, Facultad de Medicina y Odontología, Universidad de Valencia, 46010 Valencia, Spain; (M.A.B.-R.); (R.O.-L.); (A.S.-L.)
- CIBERehd, Valencia, Spain
- Correspondence: (M.Á.M.-C.); (Á.Á.); Tel.: +34-963983716 (M.Á.M.-C.); +34-963864898 (Á.Á.)
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Drill M, Powell KL, Kan LK, Jones NC, O'Brien TJ, Hamilton JA, Monif M. Inhibition of purinergic P2X receptor 7 (P2X7R) decreases granulocyte-macrophage colony-stimulating factor (GM-CSF) expression in U251 glioblastoma cells. Sci Rep 2020; 10:14844. [PMID: 32908225 PMCID: PMC7481200 DOI: 10.1038/s41598-020-71887-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2020] [Accepted: 08/24/2020] [Indexed: 02/07/2023] Open
Abstract
Glioblastoma is the most aggressive form of primary brain cancer, with a median survival of 12-15 months. The P2X receptor 7 (P2X7R) is upregulated in glioblastoma and is associated with increased tumor cell proliferation. The cytokine granulocyte-macrophage colony-stimulating factor (GM-CSF) is also upregulated in glioblastoma and has been shown to have both pro- and anti-tumor functions. This study investigates the potential mechanism linking P2X7R and GM-CSF in the U251 glioblastoma cell line and the therapeutic potential of P2X7R antagonism in this setting. P2X7R protein and mRNA was demonstrated to be expressed in the U251 cell line as assessed by immunocytochemistry and qPCR. Its channel function was intact as demonstrated by live cell confocal imaging using a calcium indicator Fluo-4 AM. Inhibition of P2X7R using antagonist AZ10606120, decreased both GM-CSF mRNA (P < 0.05) and protein (P < 0.01) measured by qPCR and ELISA respectively. Neutralization of GM-CSF with an anti-GM-CSF antibody did not alter U251 cell proliferation, however, P2X7R antagonism with AZ10606120 significantly reduced U251 glioblastoma cell numbers (P < 0.01). This study describes a novel link between P2X7R activity and GM-CSF expression in a human glioblastoma cell line and highlights the potential therapeutic benefit of P2X7R inhibition with AZ10606120 in glioblastoma.
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Affiliation(s)
- Matthew Drill
- Department of Neurosciences, Faculty of Medicine, Nursing and Health Sciences, Central Clinical School, Monash University, Melbourne, VIC, Australia
- Department of Physiology, Melbourne University, Parkville, VIC, Australia
- Department of Neurology, Alfred Health, Melbourne, VIC, Australia
| | - Kim L Powell
- Department of Neurosciences, Faculty of Medicine, Nursing and Health Sciences, Central Clinical School, Monash University, Melbourne, VIC, Australia
| | - Liyen Katrina Kan
- Department of Neurosciences, Faculty of Medicine, Nursing and Health Sciences, Central Clinical School, Monash University, Melbourne, VIC, Australia
- Department of Physiology, Melbourne University, Parkville, VIC, Australia
- Department of Neurology, Alfred Health, Melbourne, VIC, Australia
- Department of Neurology, Melbourne Health, Parkville, VIC, Australia
| | - Nigel C Jones
- Department of Neurosciences, Faculty of Medicine, Nursing and Health Sciences, Central Clinical School, Monash University, Melbourne, VIC, Australia
| | - Terence J O'Brien
- Department of Neurosciences, Faculty of Medicine, Nursing and Health Sciences, Central Clinical School, Monash University, Melbourne, VIC, Australia
- Department of Neurology, Alfred Health, Melbourne, VIC, Australia
- Department of Neurology, Melbourne Health, Parkville, VIC, Australia
- Department of Medicine, Melbourne University, Parkville, VIC, Australia
| | - John A Hamilton
- Department of Medicine, Melbourne University, Parkville, VIC, Australia
| | - Mastura Monif
- Department of Neurosciences, Faculty of Medicine, Nursing and Health Sciences, Central Clinical School, Monash University, Melbourne, VIC, Australia.
- Department of Physiology, Melbourne University, Parkville, VIC, Australia.
- Department of Neurology, Alfred Health, Melbourne, VIC, Australia.
- Department of Neurology, Melbourne Health, Parkville, VIC, Australia.
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The P2X7 purinergic receptor: a potential therapeutic target for lung cancer. J Cancer Res Clin Oncol 2020; 146:2731-2741. [PMID: 32892231 DOI: 10.1007/s00432-020-03379-4] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2020] [Accepted: 09/01/2020] [Indexed: 02/07/2023]
Abstract
PURPOSE Purinergic P2X7 receptor (P2X7R) is a gated ion channel for which adenosine triphosphate (ATP) is a ligand. Activated P2X7R is widely expressed in a variety of immune cells and tissues and is involved in a variety of physiological and pathological processes. Studies have confirmed that P2X7R is involved in the regulation of tumor cell growth, stimulating cell proliferation or inducing apoptosis. Recent studies have found that P2X7R is abnormally expressed in lung cancer and is closely related to the carcinogenesis and development of lung cancer. In this paper, we comprehensively describe the structure, function, and genetic polymorphisms of P2X7R. In particular, the role and therapeutic potential of P2X7R in lung cancer are discussed to provide new targets and new strategies for the treatment and prognosis of clinical lung cancer. METHODS The relevant literature on P2X7R and lung cancer from PubMed databases is reviewed in this article. RESULTS P2X7R regulates the function of lung cancer cells by activating multiple intracellular signaling pathways (such as the JNK, Rho, HMGB1 and EMT pathways), thereby affecting cell survival, growth, invasion, and metastasis and patient prognosis. Targeting P2X7R with inhibitors effectively suppresses the growth and metastasis of lung cancer cells. CONCLUSION In summary, P2X7R is expected to become a potential target for the treatment of lung cancer, and more clinical research is needed in the future to explore the effectiveness of P2X7R antagonists as treatments.
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