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García-Rodríguez C, Duarte Y, Ardiles ÁO, Sáez JC. The antiseizure medication valproate increases hemichannel activity found in brain cells, which could worsen disease outcomes. J Neurochem 2024; 168:1045-1059. [PMID: 38291613 DOI: 10.1111/jnc.16062] [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: 10/24/2023] [Revised: 01/12/2024] [Accepted: 01/16/2024] [Indexed: 02/01/2024]
Abstract
Glial cells play relevant roles in neuroinflammation caused by epilepsy. Elevated hemichannel (HC) activity formed by connexins (Cxs) or pannexin1 (Panx1) largely explains brain dysfunctions commonly caused by neuroinflammation. Glia express HCs formed by Cxs 43, 30, or 26, while glia and neurons both express HCs formed by Panx1. Cx43 HCs allow for the influx of Ca2+, which promotes glial reactivity, enabling the release of the gliotransmitters that contribute to neuronal over-stimulation. Valproate (VPA), an antiseizure medication, has pleiotropic actions on neuronal molecular targets, and their action on glial cell HCs remains elusive. We used HeLa cells transfected with Cx43, Cx30, Cx26, or Panx1 to determine the effect of VPA on HC activity in the brain. VPA slightly increased HC activity under basal conditions, but significantly enhanced it in cells pre-exposed to conditions that promoted HC activity. Furthermore, VPA increased ATP release through Cx43 HCs. The increased HC activity caused by VPA was resistant to washout, being consistent with in silico studies, which predicted the binding site for VPA and Cx43, as well as for Panx1 HCs on the intracellular side, suggesting that VPA first enters through HCs, after which their activity increases.
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Affiliation(s)
- Claudia García-Rodríguez
- Centro Interdisciplinario de Neurociencias de Valparaíso, Instituto de Neurociencias, Universidad de Valparaíso, Valparaíso, Chile
| | - Yorley Duarte
- Facultad de Ciencias de la Vida, Center for Bioinformatics and Integrative Biology, Universidad Andrés Bello, Santiago, Chile
| | - Álvaro O Ardiles
- Centro Interdisciplinario de Neurociencias de Valparaíso, Instituto de Neurociencias, Universidad de Valparaíso, Valparaíso, Chile
- Facultad de Medicina, Escuela de Medicina, Universidad de Valparaíso, Valparaíso, Chile
| | - Juan C Sáez
- Centro Interdisciplinario de Neurociencias de Valparaíso, Instituto de Neurociencias, Universidad de Valparaíso, Valparaíso, Chile
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Reyna-Jeldes M, Díaz-Muñoz M, Madariaga JA, Coddou C, Vázquez-Cuevas FG. Autocrine and paracrine purinergic signaling in the most lethal types of cancer. Purinergic Signal 2021; 17:345-370. [PMID: 33982134 PMCID: PMC8410929 DOI: 10.1007/s11302-021-09785-8] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Accepted: 03/25/2021] [Indexed: 02/07/2023] Open
Abstract
Cancer comprises a collection of diseases that occur in almost any tissue and it is characterized by an abnormal and uncontrolled cell growth that results in tumor formation and propagation to other tissues, causing tissue and organ malfunction and death. Despite the undeniable improvement in cancer diagnostics and therapy, there is an urgent need for new therapeutic and preventive strategies with improved efficacy and fewer side effects. In this context, purinergic signaling emerges as an interesting candidate as a cancer biomarker or therapeutic target. There is abundant evidence that tumor cells have significant changes in the expression of purinergic receptors, which comprise the G-protein coupled P2Y and AdoR families of receptors and the ligand-gated ion channel P2X receptors. Tumor cells also exhibit changes in the expression of nucleotidases and other enzymes involved in nucleotide metabolism, and the concentrations of extracellular nucleotides are significantly higher than those observed in normal cells. In this review, we will focus on the potential role of purinergic signaling in the ten most lethal cancers (lung, breast, colorectal, liver, stomach, prostate, cervical, esophagus, pancreas, and ovary), which together are responsible for more than 5 million annual deaths.
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Affiliation(s)
- M Reyna-Jeldes
- Departamento de Ciencias Biomédicas, Facultad de Medicina, Universidad Católica del Norte, Coquimbo, Chile
- Millennium Nucleus for the Study of Pain (MiNuSPain), Santiago, Chile
- Núcleo para el Estudio del Cáncer a nivel Básico, Aplicado y Clínico, Universidad Católica del Norte, Antofagasta, Chile
| | - M Díaz-Muñoz
- Departamento de Neurobiología Celular y Molecular, Instituto de Neurobiología, Universidad Nacional Autónoma de México, Querétaro, Querétaro, México
| | - J A Madariaga
- Departamento de Ciencias Biomédicas, Facultad de Medicina, Universidad Católica del Norte, Coquimbo, Chile
- Núcleo para el Estudio del Cáncer a nivel Básico, Aplicado y Clínico, Universidad Católica del Norte, Antofagasta, Chile
| | - C Coddou
- Departamento de Ciencias Biomédicas, Facultad de Medicina, Universidad Católica del Norte, Coquimbo, Chile.
- Millennium Nucleus for the Study of Pain (MiNuSPain), Santiago, Chile.
- Núcleo para el Estudio del Cáncer a nivel Básico, Aplicado y Clínico, Universidad Católica del Norte, Antofagasta, Chile.
| | - F G Vázquez-Cuevas
- Departamento de Neurobiología Celular y Molecular, Instituto de Neurobiología, Universidad Nacional Autónoma de México, Querétaro, Querétaro, México.
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Boudaka A, Saito CT, Tominaga M. Deletion of TRPV4 enhances in vitro wound healing of murine esophageal keratinocytes. Sci Rep 2020; 10:11349. [PMID: 32647282 PMCID: PMC7347589 DOI: 10.1038/s41598-020-68269-8] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2020] [Accepted: 06/22/2020] [Indexed: 12/21/2022] Open
Abstract
Transient receptor potential vanilloid 4 (TRPV4) is a non-selective cation channel that is widely expressed in different body tissues and plays several physiological roles. This channel is highly expressed in esophageal keratinocytes where its activation mediates ATP release. However, whether TRPV4 has a role in wound healing of esophageal keratinocytes is unclear. In this study, we demonstrated that both cell migration and proliferation were slower in wild-type esophageal keratinocytes compared to cells having TRPV4 knockout. Our results suggest that TRPV4-mediated release of ATP from esophageal keratinocytes contributes to a decrease in the rate of in vitro wound healing via the ATP degradation product adenosine, which acts on A2B adenosine receptors.
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Affiliation(s)
- Ammar Boudaka
- Department of Physiology, College of Medicine and Health Sciences, Sultan Qaboos University, Al-Khoud, P.O. Box 35, 123, Muscat, Sultanate of Oman.
- Division of Cell Signaling, National Institute for Physiological Sciences, Okazaki, Aichi, 444-8787, Japan.
| | - Claire T Saito
- Division of Cell Signaling, National Institute for Physiological Sciences, Okazaki, Aichi, 444-8787, Japan
| | - Makoto Tominaga
- Division of Cell Signaling, National Institute for Physiological Sciences, Okazaki, Aichi, 444-8787, Japan
- Department of Physiological Sciences, SOKENDAI (The Graduate University for Advanced Studies), Okazaki, Aichi, 444-8787, Japan
- Thermal Biology Group, Exploratory Research Center on Life and Living Systems, Okazaki, Aichi, 444-8787, Japan
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Willig JB, Vianna DRB, Beckenkamp A, Beckenkamp LR, Sévigny J, Wink MR, Buffon A, Pilger DA. Imatinib mesylate affects extracellular ATP catabolism and expression of NTPDases in a chronic myeloid leukemia cell line. Purinergic Signal 2020; 16:29-40. [PMID: 31955347 PMCID: PMC7166234 DOI: 10.1007/s11302-019-09686-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2019] [Accepted: 12/29/2019] [Indexed: 12/16/2022] Open
Abstract
Chronic myeloid leukemia (CML) is a myeloproliferative neoplasm, characterized by the occurrence of the t(9;22)(q34;q11) translocation. First-line therapy for CML consists of treatment with imatinib mesylate, which selectively inhibits the BCR-ABL protein by competing for its ATP-binding site. Adenine nucleotide signaling is modulated by the ectonucleotidases and this pathway is related to tumorigenic processes. Considering the relationship between ATP and cancer, we aimed to evaluate the influence of imatinib mesylate on the expressions and functions of the NTPDase and ecto-5'-nucleotidase (CD73) enzymes in imatinib-sensitive and -resistant K-562 cell lines. mRNA analysis showed that K-562 cells express all ENTPDs and NT5E. However, when treated with imatinib mesylate for 24 h, the expression of ENTPD1, -2, -3 and -5 increased, leading to a higher nucleotides hydrolysis rate. HPLC analysis identified increased ATP degradation in cells after 24 h of treatment, with consequent ADP and AMP formation, corroborating the increase in gene and protein expression of ectonucleotidases as observed in previous results. On the other hand, we observed that imatinib-resistant K-562 cells presented a decrease in nucleotide hydrolysis and expressions of ENTPD1 and -5. These results suggest an involvement of imatinib in modulating ectonucleotidases in CML that will need further investigation. Since these ectonucleotidases have important catalytic activities in the tumor microenvironment, their modulation in CML cells may represent an important therapeutic approach to regulate levels of extracellular adenine nucleotides.
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Affiliation(s)
- Julia Biz Willig
- Faculty of Farmacy, Program for Post-graduation in Pharmaceutical Science, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
- Laboratory of Biochemical and Cytological Analyses, Universidade Federal do Rio Grande do Sul, Av. Ipiranga 2752, Bairro Santana, Porto Alegre, Rio Grande do Sul, CEP 90610-000, Brazil
| | - Débora Renz Barreto Vianna
- Faculty of Farmacy, Program for Post-graduation in Pharmaceutical Science, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
- Laboratory of Biochemical and Cytological Analyses, Universidade Federal do Rio Grande do Sul, Av. Ipiranga 2752, Bairro Santana, Porto Alegre, Rio Grande do Sul, CEP 90610-000, Brazil
| | - Aline Beckenkamp
- Faculty of Farmacy, Program for Post-graduation in Pharmaceutical Science, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - Liziane Raquel Beckenkamp
- Laboratory of Cell Biology, Universidade Federal de Ciências da Saúde de Porto Alegre, Porto Alegre, Rio Grande do Sul, Brazil
| | - Jean Sévigny
- Department of Microbiology-Infectiology and Immunology, Faculty of Medicine, Université Laval, Quebec, QC, Canada
- Centre de Recherche du CHU de Québec, Université Laval, Quebec, QC, Canada
| | - Márcia Rosângela Wink
- Laboratory of Cell Biology, Universidade Federal de Ciências da Saúde de Porto Alegre, Porto Alegre, Rio Grande do Sul, Brazil
| | - Andréia Buffon
- Faculty of Farmacy, Program for Post-graduation in Pharmaceutical Science, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - Diogo André Pilger
- Faculty of Farmacy, Program for Post-graduation in Pharmaceutical Science, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil.
- Laboratory of Biochemical and Cytological Analyses, Universidade Federal do Rio Grande do Sul, Av. Ipiranga 2752, Bairro Santana, Porto Alegre, Rio Grande do Sul, CEP 90610-000, Brazil.
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Mânica A, da Silva Rosa Bonadiman B, Cardoso AM, Paiz A, Siepko C, de Souza JVG, Moreno M, Moreno A, Schetinger MRC, Morsch VM, Bagatini MD. The signaling effects of ATP on melanoma-like skin cancer. Cell Signal 2019; 59:122-130. [PMID: 30926387 DOI: 10.1016/j.cellsig.2019.03.021] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2019] [Revised: 03/23/2019] [Accepted: 03/25/2019] [Indexed: 12/20/2022]
Abstract
Melanoma is a type of skin cancer originated by the malignant transformation of melanocytes. Increasing incidence and mortality require efforts focused on studies and research about this cancer. Its microenvironment is rich in extracellular ATP, but there are no studies evaluating the ectonucleotidases and ATP effects on tumor-derived melanoma cells with known amounts of ATP. This way, the objective of this work was to evaluate the purinergic signaling in the pathophysiology of in vivo melanoma and the in vitro effects of ATP signaling. We found increased and effective extracellular ATP hydrolysis in platelets and a significant decrease of extracellular ATP levels and adenosine hydrolysis. In addition, we cultured PBMCs of melanoma patients and used ATP salt with specific concentrations to evaluate its signaling effects. The enzymatic activity analysis revealed that even with higher ATP doses cells metabolize adenine nucleotides less efficiently, and present low ATP, ADP and AMP hydrolytic activity in CM compared to CT cells. In summary, we showed for the first time important data about the purinergic signaling in the pathophysiology of melanoma and ATP signaling exercising immunosuppressive effects. Therefore, as already shown for other tumors, the purinergic signaling should be considered a potential target for melanoma management and treatment and could offer novel therapeutic prospects.
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Affiliation(s)
- Aline Mânica
- Post-graduate Program in Biological Sciences (Toxicological Biochemistry), Universidade Federal de Santa Maria, Santa Maria, Brazil
| | | | - Andréia Machado Cardoso
- Academic Coordination, Campus Chapecó, Universidade Federal da Fronteira Sul, Chapecó, Brazil
| | | | | | | | - Marcelo Moreno
- Academic Coordination, Campus Chapecó, Universidade Federal da Fronteira Sul, Chapecó, Brazil
| | - André Moreno
- Academic Coordination, Campus Chapecó, Universidade Federal da Fronteira Sul, Chapecó, Brazil
| | - Maria Rosa Chitolina Schetinger
- Post-graduate Program in Biological Sciences (Toxicological Biochemistry), Universidade Federal de Santa Maria, Santa Maria, Brazil
| | - Vera Maria Morsch
- Post-graduate Program in Biological Sciences (Toxicological Biochemistry), Universidade Federal de Santa Maria, Santa Maria, Brazil
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Schuler PJ, Brunner C, Hoffmann TK. [B cells in head and neck oncology]. HNO 2018; 66:296-300. [PMID: 29500500 DOI: 10.1007/s00106-018-0494-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
As immunotherapy is becoming increasingly important in the treatment of head and neck cancer, a fundamental understanding of the immunological relationships in the tumor microenvironment is required. The importance of tumor-infiltrating B cells (TIL-B) has been largely neglected so far. In the current literature, however, a significant influence of B cells on tumor growth is described, so that this cell population is now also perceived as a therapeutic target structure. Regulatory B cells (Breg) represent a subset of B cells with immunosuppressive properties. In addition to the secretion of IL-10, Breg can be defined by their ability to produce adenosine. Adenosine is known as an immunosuppressive messenger in the tumor microenvironment whose effect can be prevented by immunotherapeutic approaches. Understanding the tumor immunological relationships, including the different B‑cell functions, can help to effectively combine standard approaches including surgery or radiochemotherapy with immunotherapy. In the present article, recent findings on B cells and adenosine in head and neck cancer are described.
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Affiliation(s)
- P J Schuler
- Klinik für Hals‑, Nasen‑, Ohrenheilkunde, Kopf- und Halschirurgie, Universitätsklinikum Ulm, Frauensteige 12, 89075, Ulm, Deutschland.
| | - C Brunner
- Klinik für Hals‑, Nasen‑, Ohrenheilkunde, Kopf- und Halschirurgie, Universitätsklinikum Ulm, Frauensteige 12, 89075, Ulm, Deutschland
| | - T K Hoffmann
- Klinik für Hals‑, Nasen‑, Ohrenheilkunde, Kopf- und Halschirurgie, Universitätsklinikum Ulm, Frauensteige 12, 89075, Ulm, Deutschland
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7
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Ziebart A, Huber U, Jeske S, Laban S, Doescher J, Hoffmann TK, Brunner C, Jackson EK, Schuler PJ. The influence of chemotherapy on adenosine-producing B cells in patients with head and neck squamous cell carcinoma. Oncotarget 2018; 9:5834-5847. [PMID: 29464038 PMCID: PMC5814178 DOI: 10.18632/oncotarget.23533] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2017] [Accepted: 12/01/2017] [Indexed: 11/29/2022] Open
Abstract
INTRODUCTION Head and neck squamous cell carcinoma (HNSCC) strongly suppresses the immune system, resulting in increased metastasis and recurrent disease. Chemotherapy is part of the multimodal treatment but may further immunosuppression. Recently, we demonstrated that regulatory B cells (Breg), defined as CD19+CD39+CD73+ B cells, play a significant role in the production of immunosuppressive, extracellular adenosine (ADO). Here, we tested the influence of chemotherapy on Breg function. RESULTS In HNSCC patients, Breg were diminished in absolute number and frequency after chemotherapy (paired samples). Chemotherapeutic drugs had variable effects; while platinum-based chemotherapy decreased the expression of CD39, methotrexate led to a functional increase in CD39 expression and increased production of immunosuppressive ADO. These findings were confirmed in a second patient cohort. Surface expression of CD39 correlated strongly with the production of ADO as measured by mass spectrometry. CONCLUSIONS Platinum-based anti-tumor-therapy reduces the number of adenosine-producing B cells and, consequently, potential immunosuppression within the tumor environment. Breg function in terms of ADO production and their potential capacity to suppress CD4+ T cells are promoted by methotrexate treatment amplifying anti-inflammatory therapeutic effects. Our results add to the understanding of how chemotherapeutic drugs can influence the human immune system and may therefore help to orchestrate standard oncologic therapy with new immune modulating approaches. METHODS Mononuclear cells were collected prospectively from HNSCC patients before and after chemotherapy (n = 18), from healthy donors (n = 20), and an additional cohort sampled several months after chemotherapy (n = 14). Frequency, phenotype, and function of Breg were determined by multicolor flow cytometry, ATP luminescence assay as well as mass spectrometry measuring 5'-AMP, ADO, and inosine. Isolated B cells were incubated with chemotherapeutic drugs (cisplatin, methotrexate, paclitaxel, 5-fluorouracil) in vitro for functional studies.
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Affiliation(s)
- Andreas Ziebart
- Department of Neurosurgery, University Hospital Mannheim, University of Heidelberg, Mannheim, Germany
- Department of Otolaryngology, Head and Neck Surgery, Ulm University Medical Center, Ulm, Germany
| | - Ulrich Huber
- Department of Otolaryngology, Head and Neck Surgery, Ulm University Medical Center, Ulm, Germany
| | - Sandra Jeske
- Department of Otolaryngology, Head and Neck Surgery, Ulm University Medical Center, Ulm, Germany
| | - Simon Laban
- Department of Otolaryngology, Head and Neck Surgery, Ulm University Medical Center, Ulm, Germany
| | - Johannes Doescher
- Department of Otolaryngology, Head and Neck Surgery, Ulm University Medical Center, Ulm, Germany
| | - Thomas K. Hoffmann
- Department of Otolaryngology, Head and Neck Surgery, Ulm University Medical Center, Ulm, Germany
| | - Cornelia Brunner
- Department of Otolaryngology, Head and Neck Surgery, Ulm University Medical Center, Ulm, Germany
| | - Edwin K. Jackson
- Department of Pharmacology and Chemical Biology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
| | - Patrick J. Schuler
- Department of Otolaryngology, Head and Neck Surgery, Ulm University Medical Center, Ulm, Germany
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Burnstock G. Purinergic Signalling: Therapeutic Developments. Front Pharmacol 2017; 8:661. [PMID: 28993732 PMCID: PMC5622197 DOI: 10.3389/fphar.2017.00661] [Citation(s) in RCA: 275] [Impact Index Per Article: 39.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2017] [Accepted: 09/05/2017] [Indexed: 12/15/2022] Open
Abstract
Purinergic signalling, i.e., the role of nucleotides as extracellular signalling molecules, was proposed in 1972. However, this concept was not well accepted until the early 1990's when receptor subtypes for purines and pyrimidines were cloned and characterised, which includes four subtypes of the P1 (adenosine) receptor, seven subtypes of P2X ion channel receptors and 8 subtypes of the P2Y G protein-coupled receptor. Early studies were largely concerned with the physiology, pharmacology and biochemistry of purinergic signalling. More recently, the focus has been on the pathophysiology and therapeutic potential. There was early recognition of the use of P1 receptor agonists for the treatment of supraventricular tachycardia and A2A receptor antagonists are promising for the treatment of Parkinson's disease. Clopidogrel, a P2Y12 antagonist, is widely used for the treatment of thrombosis and stroke, blocking P2Y12 receptor-mediated platelet aggregation. Diquafosol, a long acting P2Y2 receptor agonist, is being used for the treatment of dry eye. P2X3 receptor antagonists have been developed that are orally bioavailable and stable in vivo and are currently in clinical trials for the treatment of chronic cough, bladder incontinence, visceral pain and hypertension. Antagonists to P2X7 receptors are being investigated for the treatment of inflammatory disorders, including neurodegenerative diseases. Other investigations are in progress for the use of purinergic agents for the treatment of osteoporosis, myocardial infarction, irritable bowel syndrome, epilepsy, atherosclerosis, depression, autism, diabetes, and cancer.
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Affiliation(s)
- Geoffrey Burnstock
- Autonomic Neuroscience Centre, University College Medical SchoolLondon, United Kingdom
- Department of Pharmacology and Therapeutics, The University of Melbourne, MelbourneVIC, Australia
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Mora-García ML, Ávila-Ibarra LR, García-Rocha R, Weiss-Steider B, Hernández-Montes J, Don-López CA, Gutiérrez-Serrano V, Titla-Vilchis IJ, Fuentes-Castañeda MC, Monroy-Mora A, Jave-Suárez LF, Chacón-Salinas R, Vallejo-Castillo L, Pérez-Tapia SM, Monroy-García A. Cervical cancer cells suppress effector functions of cytotoxic T cells through the adenosinergic pathway. Cell Immunol 2017; 320:46-55. [PMID: 28950987 DOI: 10.1016/j.cellimm.2017.09.002] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2017] [Revised: 08/29/2017] [Accepted: 09/02/2017] [Indexed: 12/22/2022]
Abstract
BACKGROUND The expression of CD73 in tumor cells plays a significant role in the production of adenosine (Ado) that suppresses antitumor effector cells. METHODS In this study we analyzed the capability of HPV-positive (HPV+) cervical cancer (CeCa) cell lines CaSki, SiHa, HeLa, and RoVa; and HPV-negative (HPV-) cell lines C33A and ViBo to produce Ado and inhibit effector functions of CD8+ T cells. RESULTS HPV+ CeCa cells expressed significantly higher levels of CD73 in the membrane (p<0.01) than HPV- CeCa cells and this expression was associated with the production of larger amounts of Ado (>400μM) compared to HPV-CeCa cells (<200μM) in the presence of AMP, as well asa stronger inhibition of (>50%) proliferation, activation, and cytotoxic activity of CD8+ T cells via interaction with A2A adenosine receptor. We also provide evidence that silenced E6/E7 expression in CeCa cells, strongly reduced its CD73 expression level and its capability to generate Ado. CONCLUSION This results suggest that HPV infection, which is associated with more than 99% of CeCa cases, may present an increased constitutive expression of CD73 in cervical neoplasia to contribute to the suppression of the immune response mediated by the production of large amounts of Ado.
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Affiliation(s)
- M L Mora-García
- Laboratorio de Inmunobiología, Unidad de Diferenciación Celular y Cáncer, FES-Zaragoza, UNAM, Ciudad de México, Mexico.
| | - L R Ávila-Ibarra
- Laboratorio de Inmunología y Cáncer, Unidad de Investigación Médica en Enfermedades Oncológicas, Centro Médico Nacional Siglo XXI, IMSS, Ciudad de México, Mexico.
| | - R García-Rocha
- Laboratorio de Inmunobiología, Unidad de Diferenciación Celular y Cáncer, FES-Zaragoza, UNAM, Ciudad de México, Mexico.
| | - B Weiss-Steider
- Laboratorio de Inmunobiología, Unidad de Diferenciación Celular y Cáncer, FES-Zaragoza, UNAM, Ciudad de México, Mexico.
| | - J Hernández-Montes
- Laboratorio de Inmunobiología, Unidad de Diferenciación Celular y Cáncer, FES-Zaragoza, UNAM, Ciudad de México, Mexico.
| | - C A Don-López
- Laboratorio de Inmunobiología, Unidad de Diferenciación Celular y Cáncer, FES-Zaragoza, UNAM, Ciudad de México, Mexico.
| | - V Gutiérrez-Serrano
- Laboratorio de Inmunobiología, Unidad de Diferenciación Celular y Cáncer, FES-Zaragoza, UNAM, Ciudad de México, Mexico.
| | - I J Titla-Vilchis
- Laboratorio de Inmunología y Cáncer, Unidad de Investigación Médica en Enfermedades Oncológicas, Centro Médico Nacional Siglo XXI, IMSS, Ciudad de México, Mexico.
| | - M C Fuentes-Castañeda
- Laboratorio de Inmunología y Cáncer, Unidad de Investigación Médica en Enfermedades Oncológicas, Centro Médico Nacional Siglo XXI, IMSS, Ciudad de México, Mexico.
| | - A Monroy-Mora
- Laboratorio de Inmunobiología, Unidad de Diferenciación Celular y Cáncer, FES-Zaragoza, UNAM, Ciudad de México, Mexico.
| | - L F Jave-Suárez
- División de Inmunología, Inmunología Molecular, Centro de Investigación Biomédica de Occidente, IMSS, Guadalajara, Mexico.
| | - R Chacón-Salinas
- Unidad de Desarrollo e Investigación en Bioprocesos (UDIBI), Instituto Politécnico Nacional, Ciudad de México, Mexico; Departamento de Inmunología, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, ENCB-IPN, Ciudad de México, Mexico.
| | - L Vallejo-Castillo
- Unidad de Desarrollo e Investigación en Bioprocesos (UDIBI), Instituto Politécnico Nacional, Ciudad de México, Mexico; Departamento de Farmacología, Centro de Investigación y de Estudios Avanzados del IPN (Cinvestav-IPN), Ciudad de México, Mexico.
| | - S M Pérez-Tapia
- Unidad de Desarrollo e Investigación en Bioprocesos (UDIBI), Instituto Politécnico Nacional, Ciudad de México, Mexico; Departamento de Inmunología, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, ENCB-IPN, Ciudad de México, Mexico; Unidad de Investigación, Desarrollo e Innovación Médica y Biotecnológica (UDIMEB), Instituto Politécnico Nacional, Ciudad de México, Mexico
| | - A Monroy-García
- Laboratorio de Inmunobiología, Unidad de Diferenciación Celular y Cáncer, FES-Zaragoza, UNAM, Ciudad de México, Mexico; Laboratorio de Inmunología y Cáncer, Unidad de Investigación Médica en Enfermedades Oncológicas, Centro Médico Nacional Siglo XXI, IMSS, Ciudad de México, Mexico.
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10
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Xue Y, Wu L, Liu Y, Ma Y, Zhang L, Ma X, Yang Y, Chen J. ENTPD5 induces apoptosis in lung cancer cells via regulating caspase 3 expression. PLoS One 2015; 10:e0120046. [PMID: 25794010 PMCID: PMC4368616 DOI: 10.1371/journal.pone.0120046] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2014] [Accepted: 02/03/2015] [Indexed: 01/09/2023] Open
Abstract
This study is to investigate the relationship between ectonucleoside triphosphate diphosphohydrolase 5 (ENTPD5) expression and lung cancer clinicopathological factors, and the impact of ENTPD5 on lung cancer cell functions. Lung cancer specimens and matched adjacent normal tissues were obtained from patients without any preoperative radiotherapy or chemotherapy. Knockdown of ETNPD5 expression led to significantly decreased lung cancer cell growth rate, markedly increased apoptosis and the ability to repair, and significantly reduced invasion. Gene chip tests showed that knockdown of ENTPD5 expression caused more Caspase expression. Quantitative real-time polymerase chain reaction showed that the Caspase 3 expression was significantly increased after the knockdown of ENTPD5. In addition, immunohistochemistry showed that the tumor growth marker, proliferating cell nuclear antigen, was significantly reduced in the knockdown model. Tumorigenicity assay and terminal deoxynucleotidyl transferase-mediated dUTP nick-end labeling assay showed that the apoptosis of lung cancer cells was increased in the knockdown model. Our results suggest that ENTPD5 affects lung cancer apoptosis via Caspase 3 pathway, and can be potentially used to monitor prognosis or to guide appropriate therapeutic regimens.
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Affiliation(s)
- Yijun Xue
- College of Life Science and Bioengineering, Beijing University of Technology, Beijing, 100022, P.R. China
- Key laboratory of Carcinogenesis and Translational Research (Ministry of Education), Department of Thoracic Surgery II, Peking University Cancer Hospital & Institute, Beijing, 100142, P. R. China
| | - Lina Wu
- Key laboratory of Carcinogenesis and Translational Research (Ministry of Education), Central Laboratory, Peking University Cancer Hospital & Institute, Beijing, 100142, P. R. China
| | - Yinan Liu
- Key laboratory of Carcinogenesis and Translational Research (Ministry of Education), Department of Thoracic Surgery II, Peking University Cancer Hospital & Institute, Beijing, 100142, P. R. China
| | - Yuanyuan Ma
- Key laboratory of Carcinogenesis and Translational Research (Ministry of Education), Department of Thoracic Surgery II, Peking University Cancer Hospital & Institute, Beijing, 100142, P. R. China
| | - Lijian Zhang
- Key laboratory of Carcinogenesis and Translational Research (Ministry of Education), Department of Thoracic Surgery II, Peking University Cancer Hospital & Institute, Beijing, 100142, P. R. China
| | - Xuemei Ma
- College of Life Science and Bioengineering, Beijing University of Technology, Beijing, 100022, P.R. China
| | - Yue Yang
- Key laboratory of Carcinogenesis and Translational Research (Ministry of Education), Department of Thoracic Surgery II, Peking University Cancer Hospital & Institute, Beijing, 100142, P. R. China
| | - Jinfeng Chen
- Key laboratory of Carcinogenesis and Translational Research (Ministry of Education), Department of Thoracic Surgery II, Peking University Cancer Hospital & Institute, Beijing, 100142, P. R. China
- * E-mail:
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11
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Mello PDA, Filippi-Chiela EC, Nascimento J, Beckenkamp A, Santana DB, Kipper F, Casali EA, Nejar Bruno A, Paccez JD, Zerbini LF, Wink MR, Lenz G, Buffon A. Adenosine uptake is the major effector of extracellular ATP toxicity in human cervical cancer cells. Mol Biol Cell 2014; 25:2905-18. [PMID: 25103241 PMCID: PMC4230581 DOI: 10.1091/mbc.e14-01-0042] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023] Open
Abstract
In cervical cancer, HPV infection and disruption of mechanisms involving cell growth, differentiation, and apoptosis are strictly linked with tumor progression and invasion. Tumor microenvironment is ATP and adenosine rich, suggesting a role for purinergic signaling in cancer cell growth and death. Here we investigate the effect of extracellular ATP on human cervical cancer cells. We find that extracellular ATP itself has a small cytotoxic effect, whereas adenosine formed from ATP degradation by ectonucleotidases is the main factor responsible for apoptosis induction. The level of P2 × 7 receptor seemed to define the main cytotoxic mechanism triggered by ATP, since ATP itself eliminated a small subpopulation of cells that express high P2 × 7 levels, probably through its activation. Corroborating these data, blockage or knockdown of P2 × 7 only slightly reduced ATP cytotoxicity. On the other hand, cell viability was almost totally recovered with dipyridamole, an adenosine transporter inhibitor. Moreover, ATP-induced apoptosis and signaling-p53 increase, AMPK activation, and PARP cleavage-as well as autophagy induction were also inhibited by dipyridamole. In addition, inhibition of adenosine conversion into AMP also blocked cell death, indicating that metabolization of intracellular adenosine originating from extracellular ATP is responsible for the main effects of the latter in human cervical cancer cells.
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Affiliation(s)
- Paola de Andrade Mello
- Laboratory of Biochemical and Cytological Analysis, Faculty of Pharmacy, Federal University of Rio Grande do Sul, Porto Alegre, RS 90610-000, Brazil
| | - Eduardo Cremonese Filippi-Chiela
- Department of Biophysics and Center of Biotechnology, Federal University of Rio Grande do Sul, Porto Alegre, RS 91501-970, Brazil
| | - Jéssica Nascimento
- Laboratory of Biochemical and Cytological Analysis, Faculty of Pharmacy, Federal University of Rio Grande do Sul, Porto Alegre, RS 90610-000, Brazil
| | - Aline Beckenkamp
- Laboratory of Biochemical and Cytological Analysis, Faculty of Pharmacy, Federal University of Rio Grande do Sul, Porto Alegre, RS 90610-000, Brazil
| | - Danielle Bertodo Santana
- Laboratory of Biochemical and Cytological Analysis, Faculty of Pharmacy, Federal University of Rio Grande do Sul, Porto Alegre, RS 90610-000, Brazil
| | - Franciele Kipper
- Department of Biophysics and Center of Biotechnology, Federal University of Rio Grande do Sul, Porto Alegre, RS 91501-970, Brazil
| | - Emerson André Casali
- Department of Morphological Science and Department of Biochemistry, Institute of Health Sciences, Federal University of Rio Grande do Sul, Porto Alegre, RS 90000-000, Brazil
| | - Alessandra Nejar Bruno
- Federal Institute of Education, Science and Technology, Porto Alegre, RS 90035-007, Brazil
| | - Juliano Domiraci Paccez
- International Center for Genetic Engineering and Biotechnology, Cancer Genomics Group, Cape Town 7925, South Africa
| | - Luiz Fernando Zerbini
- International Center for Genetic Engineering and Biotechnology, Cancer Genomics Group, Cape Town 7925, South Africa
| | - Marcia Rosângela Wink
- Laboratory of Cell Biology, Federal University of Health Sciences of Porto Alegre, Porto Alegre, RS 90050-170, Brazil
| | - Guido Lenz
- Department of Biophysics and Center of Biotechnology, Federal University of Rio Grande do Sul, Porto Alegre, RS 91501-970, Brazil
| | - Andréia Buffon
- Laboratory of Biochemical and Cytological Analysis, Faculty of Pharmacy, Federal University of Rio Grande do Sul, Porto Alegre, RS 90610-000, Brazil
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12
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NTPDase5/PCPH as a new target in highly aggressive tumors: a systematic review. BIOMED RESEARCH INTERNATIONAL 2014; 2014:123010. [PMID: 25045656 PMCID: PMC4090452 DOI: 10.1155/2014/123010] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/26/2014] [Accepted: 05/18/2014] [Indexed: 02/05/2023]
Abstract
The protooncogene PCPH was recently identified as being the ectonucleoside triphosphate diphosphohydrolase 5 (ENTPD5). This protooncogene is converted into an oncogene by a single base pair deletion, resulting in frame change and producing a premature stop codon, leading to a mutated protein (mt-PCPH) with only 27 kDa, which is much smaller than the original 47 kDa protein. Overexpression of the PCPH as well as the mutated PCPH increases the cellular resistance to stress and apoptosis. This is intriguing considering that the active form, that is, the oncogene, is the mutated PCPH. Several studies analyzed the expression of NTPDase5/mt-PCPH in a wide range of tumor cells and evaluated its role and mechanisms in cancer and other pathogenic processes. The main point of this review is to integrate the findings and proposed theories about the role played by NTPDase5/mt-PCPH in cancer progression, considering that these proteins have been suggested as potential early diagnostic tools and therapy targets.
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