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Hovhannisyan L, Czechowska E, Gutowska-Owsiak D. The Role of Non-Immune Cell-Derived Extracellular Vesicles in Allergy. Front Immunol 2021; 12:702381. [PMID: 34489951 PMCID: PMC8417238 DOI: 10.3389/fimmu.2021.702381] [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: 04/29/2021] [Accepted: 07/31/2021] [Indexed: 12/14/2022] Open
Abstract
Extracellular vesicles (EVs), and especially exosomes, have been shown to mediate information exchange between distant cells; this process directly affects the biological characteristics and functionality of the recipient cell. As such, EVs significantly contribute to the shaping of immune responses in both physiology and disease states. While vesicles secreted by immune cells are often implicated in the allergic process, growing evidence indicates that EVs from non-immune cells, produced in the stroma or epithelia of the organs directly affected by inflammation may also play a significant role. In this review, we provide an overview of the mechanisms of allergy to which those EVs contribute, with a particular focus on small EVs (sEVs). Finally, we also give a clinical perspective regarding the utilization of the EV-mediated communication route for the benefit of allergic patients.
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Affiliation(s)
- Lilit Hovhannisyan
- University of Gdansk, Intercollegiate Faculty of Biotechnology of University of Gdansk and Medical University of Gdansk, Gdansk, Poland
- Department of in vitro Studies, Institute of Biotechnology and Molecular Medicine, Gdansk, Poland
| | - Ewa Czechowska
- University of Gdansk, Intercollegiate Faculty of Biotechnology of University of Gdansk and Medical University of Gdansk, Gdansk, Poland
| | - Danuta Gutowska-Owsiak
- University of Gdansk, Intercollegiate Faculty of Biotechnology of University of Gdansk and Medical University of Gdansk, Gdansk, Poland
- Radcliffe Department of Medicine, University of Oxford, Oxford, United Kingdom
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102
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Scaletti E, Huschmann FU, Mueller U, Weiss MS, Sträter N. Substrate binding modes of purine and pyrimidine nucleotides to human ecto-5'-nucleotidase (CD73) and inhibition by their bisphosphonic acid derivatives. Purinergic Signal 2021; 17:693-704. [PMID: 34403084 PMCID: PMC8677862 DOI: 10.1007/s11302-021-09802-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2020] [Accepted: 06/07/2021] [Indexed: 12/20/2022] Open
Abstract
Human ecto-5-nucleotidase (CD73) is involved in purinergic signalling, which influences a diverse range of biological processes. CD73 hydrolyses AMP and is the major control point for the levels of extracellular adenosine. Inhibitors of CD73 thus block the immunosuppressive action of adenosine, a promising approach for cancer immunotherapy. Interestingly, ADP and ATP are competitive inhibitors of CD73, with the most potent small-molecule inhibitors to date being non-hydrolysable ADP analogues. While AMP is the major substrate of the enzyme, CD73 has been reported to hydrolyse other 5′-nucleoside monophosphates. Based on a fragment screening campaign at the BESSY II synchrotron, we present the binding modes of various deoxyribo- and ribonucleoside monophosphates and of four additional fragments binding to the nucleoside binding site of the open form of the enzyme. Kinetic analysis of monophosphate hydrolysis shows that ribonucleotide substrates are favoured over their deoxyribose equivalents with AMP being the best substrate. We characterised the initial step of AMP hydrolysis, the binding mode of AMP to the open conformation of CD73 and compared that to other monophosphate substrates. In addition, the inhibitory activity of various bisphosphonic acid derivatives of nucleoside diphosphates was determined. Although AMPCP remains the most potent inhibitor, replacement of the adenine base with other purines or with pyrimidines increases the Ki value only between twofold and sixfold. On the other hand, these nucleobases offer new opportunities to attach substituents for improved pharmacological properties.
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Affiliation(s)
- Emma Scaletti
- Institute of Bioanalytical Chemistry, Centre for Biotechnology and Biomedicine, Leipzig University, Deutscher Platz 5, 04103, Leipzig, Germany
| | - Franziska U Huschmann
- Helmholtz-Zentrum Berlin Für Materialien Und Energie, BESSY II, Albert-Einstein-Straße 15, 12489, Berlin, Germany
| | - Uwe Mueller
- Helmholtz-Zentrum Berlin Für Materialien Und Energie, BESSY II, Albert-Einstein-Straße 15, 12489, Berlin, Germany
| | - Manfred S Weiss
- Helmholtz-Zentrum Berlin Für Materialien Und Energie, BESSY II, Albert-Einstein-Straße 15, 12489, Berlin, Germany
| | - Norbert Sträter
- Institute of Bioanalytical Chemistry, Centre for Biotechnology and Biomedicine, Leipzig University, Deutscher Platz 5, 04103, Leipzig, Germany.
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103
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Mazuqueli Pereira EDSB, Basting RT, Abdalla HB, Garcez AS, Napimoga MH, Clemente-Napimoga JT. Photobiomodulation inhibits inflammation in the temporomandibular joint of rats. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2021; 222:112281. [PMID: 34388640 DOI: 10.1016/j.jphotobiol.2021.112281] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/02/2021] [Revised: 07/30/2021] [Accepted: 08/03/2021] [Indexed: 02/07/2023]
Abstract
Photobiomodulation (PBM) has been applied as a non-invasive technique for treating temporomandibular joint symptoms, especially on painful condition's relief, however the anti-inflammatory mechanism underlying the effect of PBM remains uncertain. This study aims to evaluate the mechanisms of action of PBM (808 nm) in a carrageenan-induced inflammation on temporomandibular joint (TMJ) of rats. In this study male Wistar rats were pre-treated with irradiation of a low-power diode laser for 15 s on TMJ (infra-red 808 nm, 100 mW, 50 J/cm2 and 1.5 J) 15 min prior an injection in the temporomandibular joint of carrageenan (100 μg/TMJ). 1 h after the TMJ treatments, the rats were terminally anesthetized for joint cavity wash and periarticular tissues collect. Samples analysis demonstrated that PBM inhibit leukocytes chemotaxis in the TMJ and significantly reduces amounts of TNF-α, IL-1β and CINC-1. In addition, Western blotting analysis demonstrated that PBM significantly decreased the protein levels of P2X3 and P2X7 receptors in the periarticular tissues. On the other hand, PBM was able to increase protein level of IL-10 (anti-inflammatory cytokine). In summary, it is possible to suggest that PBM inhibit inflammatory chemotaxis, modulation the balance of the pro- and anti-inflammatory characteristics of inflammatory cells.
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Affiliation(s)
| | - Rosanna Tarkany Basting
- São Leopoldo Mandic Institute and Research Center, Laboratory of Neuroimmune Interface of Pain Research - Campinas, SP, Brazil
| | - Henrique Ballassini Abdalla
- São Leopoldo Mandic Institute and Research Center, Laboratory of Neuroimmune Interface of Pain Research - Campinas, SP, Brazil
| | - Aguinaldo Silva Garcez
- São Leopoldo Mandic Institute and Research Center, Laboratory of Neuroimmune Interface of Pain Research - Campinas, SP, Brazil
| | - Marcelo Henrique Napimoga
- São Leopoldo Mandic Institute and Research Center, Laboratory of Neuroimmune Interface of Pain Research - Campinas, SP, Brazil
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104
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McEwan TBD, Sophocleous RA, Cuthbertson P, Mansfield KJ, Sanderson-Smith ML, Sluyter R. Autocrine regulation of wound healing by ATP release and P2Y 2 receptor activation. Life Sci 2021; 283:119850. [PMID: 34314735 DOI: 10.1016/j.lfs.2021.119850] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Revised: 07/05/2021] [Accepted: 07/17/2021] [Indexed: 12/19/2022]
Abstract
AIMS Application of exogenous nucleotides can modulate wound healing via the activation of purinergic receptors. However, evidence for the release of endogenous nucleotides and the subsequent activation of purinergic receptors in this process has not been well defined. Therefore, the current study aimed to investigate wound-mediated nucleotide release and autocrine purinergic signalling during HaCaT keratinocyte wound closure following scratch injury. MAIN METHODS An in vitro scratch wound apparatus was employed to study wound healing over 24-h in the presence of modulators of ATP release, P2 receptors and pathways downstream of P2 receptor activation. KEY FINDINGS Adenosine 5'-triphosphate (ATP) was released from scratched cells. The ectonucleotidase apyrase and pharmacological inhibition of the nucleotide release hemichannel, pannexin-1, decreased wound closure over time. The non-selective P2Y receptor antagonist suramin and the selective P2Y2 receptor antagonist AR-C118925XX, but not other P2 antagonists, decreased wound closure. AR-C118925XX decreased wound closure in a concentration-dependent fashion. However, exogenous P2Y2 receptor agonists, ATP or uridine 5'-triphosphate, did not enhance wound closure. PCR and immunoblotting confirmed P2Y2 receptor expression in HaCaT cells. U73122, a phospholipase C antagonist, and 2-aminoethoxydiphenylborate, an inositol 1,4,5-trisphosphate receptor-sensitive Ca2+-release channel antagonist, decreased wound closure consistent with P2Y2 receptor activation. Absence of extracellular or intracellular Ca2+ or inhibition of intracellular Ca2+-release also impaired wound closure. SIGNIFICANCE These data describe a novel autocrine signalling mechanism in which wound-mediated release of endogenous ATP in response to mechanical scratching of HaCaT cells activates P2Y2 receptors to facilitate wound closure.
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Affiliation(s)
- T B-D McEwan
- Illawarra Health and Medical Research Institute, Wollongong, NSW 2522, Australia; Molecular Horizons and School of Chemistry and Molecular Bioscience, University of Wollongong, Wollongong, NSW 2522, Australia
| | - R A Sophocleous
- Illawarra Health and Medical Research Institute, Wollongong, NSW 2522, Australia; Molecular Horizons and School of Chemistry and Molecular Bioscience, University of Wollongong, Wollongong, NSW 2522, Australia
| | - P Cuthbertson
- Illawarra Health and Medical Research Institute, Wollongong, NSW 2522, Australia; Molecular Horizons and School of Chemistry and Molecular Bioscience, University of Wollongong, Wollongong, NSW 2522, Australia
| | - K J Mansfield
- Illawarra Health and Medical Research Institute, Wollongong, NSW 2522, Australia; School of Medicine, University of Wollongong, Wollongong, NSW 2522, Australia
| | - M L Sanderson-Smith
- Illawarra Health and Medical Research Institute, Wollongong, NSW 2522, Australia; Molecular Horizons and School of Chemistry and Molecular Bioscience, University of Wollongong, Wollongong, NSW 2522, Australia
| | - R Sluyter
- Illawarra Health and Medical Research Institute, Wollongong, NSW 2522, Australia; Molecular Horizons and School of Chemistry and Molecular Bioscience, University of Wollongong, Wollongong, NSW 2522, Australia.
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105
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Li XP, Zhou LL, Guo YH, Wang JW. The signaling role of extracellular ATP in co-culture of Shiraia sp. S9 and Pseudomonas fulva SB1 for enhancing hypocrellin A production. Microb Cell Fact 2021; 20:144. [PMID: 34301268 PMCID: PMC8305905 DOI: 10.1186/s12934-021-01637-9] [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: 04/26/2021] [Accepted: 07/16/2021] [Indexed: 12/20/2022] Open
Abstract
Background Adenosine 5′-triphosphate (ATP) plays both a central role as an intracellular energy source, and a crucial extracellular signaling role in diverse physiological processes of animals and plants. However, there are less reports concerning the signaling role of microbial extracellular ATP (eATP). Hypocrellins are effective anticancer photodynamic therapy (PDT) agents from bambusicolous Shiraia fungi. The co-culture of Shiraia sp. S9 and a bacterium Pseudomonas fulva SB1 isolated from Shiraia fruiting bodies was established for enhanced hypocrellin A (HA) production. The signaling roles of eATP to mediate hypocrellin biosynthesis were investigated in the co-culture. Results The co-culture induced release of eATP at 378 nM to the medium around 4 h. The eATP release was interdependent on cytosolic Ca2+ concentration and reactive oxygen species (ROS) production, respectively. The eATP production could be suppressed by the Ca2+ chelator EGTA or abolished by the channel blocker La3+, ROS scavenger vitamin C and NADPH oxidase inhibitor diphenyleneiodonium chloride (DPI). The bacterium-induced H2O2 production was strongly inhibited by reactive blue (RB), a specific inhibitor of membrane purinoceptors, but dependent on the induced Ca2+ influx in the co-culture. On the other hand, the application of exogenous ATP (exATP) at 10–300 µM to Shiraia cultures also promoted fungal conidiation and HA production, both of which were blocked effectively by the purinoceptor inhibitors pyridoxalphosphate-6-azophenyl-2′, 4′-disulfonic acid (PPADS) and RB, and ATP hydrolase apyrase. Both the induced expression of HA biosynthetic genes and HA accumulation were inhibited significantly under the blocking of the eATP or Ca2+ signaling, and the scavenge of ROS in the co-culture. Conclusions Our results indicate that eATP release is an early event during the intimate bacterial–fungal interaction and eATP plays a signaling role in the bacterial elicitation on fungal metabolites. Ca2+ and ROS are closely linked for activation of the induced ATP release and its signal transduction. This is the first report on eATP production in the fungal–bacterial co-culture and its involvement in the induced biosynthesis of fungal metabolites. Graphic abstract ![]()
Supplementary Information The online version contains supplementary material available at 10.1186/s12934-021-01637-9.
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Affiliation(s)
- Xin Ping Li
- College of Pharmaceutical Sciences, Soochow University, Suzhou, 215123, China
| | - Lu Lu Zhou
- College of Pharmaceutical Sciences, Soochow University, Suzhou, 215123, China
| | - Yan Hua Guo
- College of Pharmaceutical Sciences, Soochow University, Suzhou, 215123, China
| | - Jian Wen Wang
- College of Pharmaceutical Sciences, Soochow University, Suzhou, 215123, China.
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106
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Kerkman PF, Dernstedt A, Tadala L, Mittler E, Dannborg M, Sundling C, Maleki KT, Tauriainen J, Tuiskunen‐Bäck A, Wigren Byström J, Ocaya P, Thunberg T, Jangra RK, Román‐Sosa G, Guardado‐Calvo P, Rey FA, Klingström J, Chandran K, Puhar A, Ahlm C, Forsell MNE. Generation of plasma cells and CD27 -IgD - B cells during hantavirus infection is associated with distinct pathological findings. Clin Transl Immunology 2021; 10:e1313. [PMID: 34277007 PMCID: PMC8275445 DOI: 10.1002/cti2.1313] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Revised: 04/19/2021] [Accepted: 06/23/2021] [Indexed: 12/16/2022] Open
Abstract
OBJECTIVE Human hantavirus infections can cause haemorrhagic fever with renal syndrome (HFRS). The pathogenic mechanisms are not fully understood, nor if they affect the humoral immune system. The objective of this study was to investigate humoral immune responses to hantavirus infection and to correlate them to the typical features of HFRS: thrombocytopenia and transient kidney dysfunction. METHODS We performed a comprehensive characterisation of longitudinal antiviral B-cell responses of 26 hantavirus patients and combined this with paired clinical data. In addition, we measured extracellular adenosine triphosphate (ATP) and its breakdown products in circulation and performed in vitro stimulations to address its effect on B cells. RESULTS We found that thrombocytopenia was correlated to an elevated frequency of plasmablasts in circulation. In contrast, kidney dysfunction was indicative of an accumulation of CD27-IgD- B cells and CD27-/low plasmablasts. Finally, we provide evidence that high levels of extracellular ATP and matrix metalloproteinase 8 can contribute to shedding of CD27 during human hantavirus infection. CONCLUSION Our findings demonstrate that thrombocytopenia and kidney dysfunction associate with distinctly different effects on the humoral immune system. Moreover, hantavirus-infected individuals have significantly elevated levels of extracellular ATP in circulation.
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Affiliation(s)
- Priscilla F Kerkman
- Department of Clinical MicrobiologyUmeå Centre for Microbial Research (UCMR)UmeaSweden
| | - Andy Dernstedt
- Department of Clinical MicrobiologyUmeå Centre for Microbial Research (UCMR)UmeaSweden
| | - Lalitha Tadala
- The Laboratory for Molecular Infection Medicine Sweden (MIMS)Umeå Centre for Microbial Research (UCMR)UmeaSweden
- Department of Molecular BiologyUmeå UniversityUmeaSweden
| | - Eva Mittler
- Department of Microbiology & ImmunologyAlbert Einstein College of MedicineBronxNYUSA
| | - Mirjam Dannborg
- The Laboratory for Molecular Infection Medicine Sweden (MIMS)Umeå Centre for Microbial Research (UCMR)UmeaSweden
- Department of Molecular BiologyUmeå UniversityUmeaSweden
| | - Christopher Sundling
- Department of MedicineKarolinska InstitutetSolnaSweden
- Department of Infectious DiseasesKarolinska University HospitalStockholmSweden
| | - Kimia T Maleki
- Department of MedicineKarolinska InstitutetHuddingeSweden
| | | | - Anne Tuiskunen‐Bäck
- Department of Clinical MicrobiologyUmeå Centre for Microbial Research (UCMR)UmeaSweden
| | - Julia Wigren Byström
- Department of Clinical MicrobiologyUmeå Centre for Microbial Research (UCMR)UmeaSweden
| | - Pauline Ocaya
- Department of Clinical MicrobiologyUmeå Centre for Microbial Research (UCMR)UmeaSweden
| | - Therese Thunberg
- Department of Clinical MicrobiologyUmeå Centre for Microbial Research (UCMR)UmeaSweden
| | - Rohit K Jangra
- Department of Microbiology & ImmunologyAlbert Einstein College of MedicineBronxNYUSA
| | - Gleyder Román‐Sosa
- Structural Virology UnitVirology DepartmentInstitut PasteurCNRS UMR 3569ParisFrance
| | - Pablo Guardado‐Calvo
- Structural Virology UnitVirology DepartmentInstitut PasteurCNRS UMR 3569ParisFrance
| | - Felix A Rey
- Structural Virology UnitVirology DepartmentInstitut PasteurCNRS UMR 3569ParisFrance
| | | | - Kartik Chandran
- Department of Microbiology & ImmunologyAlbert Einstein College of MedicineBronxNYUSA
| | - Andrea Puhar
- The Laboratory for Molecular Infection Medicine Sweden (MIMS)Umeå Centre for Microbial Research (UCMR)UmeaSweden
- Department of Molecular BiologyUmeå UniversityUmeaSweden
| | - Clas Ahlm
- Department of Clinical MicrobiologyUmeå Centre for Microbial Research (UCMR)UmeaSweden
| | - Mattias NE Forsell
- Department of Clinical MicrobiologyUmeå Centre for Microbial Research (UCMR)UmeaSweden
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107
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Kim M, Min YK, Jang J, Park H, Lee S, Lee CH. Single-cell RNA sequencing reveals distinct cellular factors for response to immunotherapy targeting CD73 and PD-1 in colorectal cancer. J Immunother Cancer 2021; 9:jitc-2021-002503. [PMID: 34253638 PMCID: PMC8276303 DOI: 10.1136/jitc-2021-002503] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/14/2021] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND Although cancer immunotherapy is one of the most effective advanced-stage cancer therapies, no clinically approved cancer immunotherapies currently exist for colorectal cancer (CRC). Recently, programmed cell death protein 1 (PD-1) blockade has exhibited clinical benefits according to ongoing clinical trials. However, ongoing clinical trials for cancer immunotherapies are focused on PD-1 signaling inhibitors such as pembrolizumab, nivolumab, and atezolizumab. In this study, we focused on revealing the distinct response mechanism for the potent CD73 ectoenzyme selective inhibitor AB680 as a promising drug candidate that functions by blocking tumorigenic ATP/adenosine signaling in comparison to current therapeutics that block PD-1 to assess the value of this drug as a novel immunotherapy for CRC. METHODS To understand the distinct mechanism of AB680 in comparison to that of a neutralizing antibody against murine PD-1 used as a PD-1 blocker, we performed single-cell RNA sequencing of CD45+ tumor-infiltrating lymphocytes from untreated controls (n=3) and from AB680-treated (n=3) and PD-1-blockade-treated murine CRC in vivo models. We also used flow cytometry, Azoxymethane (AOM)/Dextran Sulfate Sodium (DSS) models, and in vitro functional assays to validate our new findings. RESULTS We initially observed that the expressions of Nt5e (a gene for CD73) and Entpd1 (a gene for CD39) affect T cell receptor (TCR) diversity and transcriptional profiles of T cells, thus suggesting their critical roles in T cell exhaustion within tumor. Importantly, PD-1 blockade significantly increased the TCR diversity of Entpd1-negative T cells and Pdcd1-positive T cells. Additionally, we determined that AB680 improved the anticancer functions of immunosuppressed cells such as Treg and exhausted T cells, while the PD-1 blocker quantitatively reduced Malat1high Treg and M2 macrophages. We also verified that PD-1 blockade induced Treg depletion in AOM/DSS CRC in vivo models, and we confirmed that AB680 treatment caused increased activation of CD8+ T cells using an in vitro T cell assay. CONCLUSIONS The intratumoral immunomodulation of CD73 inhibition is distinct from PD-1 inhibition and exhibits potential as a novel anticancer immunotherapy for CRC, possibly through a synergistic effect when combined with PD-1 blocker treatments. This study may contribute to the ongoing development of anticancer immunotherapies targeting refractory CRC.
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Affiliation(s)
- Miok Kim
- Therapeutics & Biotechnology Division, Drug Discovery Platform Research Center, Korea Research Institute of Chemical Technology, Daejeon, Republic of Korea
| | - Yong Ki Min
- Therapeutics & Biotechnology Division, Drug Discovery Platform Research Center, Korea Research Institute of Chemical Technology, Daejeon, Republic of Korea
| | - Jinho Jang
- Department of Biomedical Engineering, Ulsan National Institute of Science and Technology, Ulsan, Republic of Korea.,Korean Genomics Center, UNIST, Ulsan, Republic of Korea
| | - Hyejin Park
- Therapeutics & Biotechnology Division, Drug Discovery Platform Research Center, Korea Research Institute of Chemical Technology, Daejeon, Republic of Korea
| | - Semin Lee
- Department of Biomedical Engineering, Ulsan National Institute of Science and Technology, Ulsan, Republic of Korea .,Korean Genomics Center, UNIST, Ulsan, Republic of Korea
| | - Chang Hoon Lee
- Therapeutics & Biotechnology Division, Drug Discovery Platform Research Center, Korea Research Institute of Chemical Technology, Daejeon, Republic of Korea
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108
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Simões JLB, de Araújo JB, Bagatini MD. Anti-inflammatory Therapy by Cholinergic and Purinergic Modulation in Multiple Sclerosis Associated with SARS-CoV-2 Infection. Mol Neurobiol 2021; 58:5090-5111. [PMID: 34247339 PMCID: PMC8272687 DOI: 10.1007/s12035-021-02464-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Accepted: 06/17/2021] [Indexed: 02/07/2023]
Abstract
The virus "acute respiratory syndrome coronavirus 2" (SARS-CoV-2) is the etiologic agent of coronavirus disease 2019 (COVID-19), initially responsible for an outbreak of pneumonia in Wuhan, China, which, due to the high level of contagion and dissemination, has become a pandemic. The clinical picture varies from mild to critical cases; however, all of these signs already show neurological problems, from sensory loss to neurological diseases. Thus, patients with multiple sclerosis (MS) infected with the new coronavirus are more likely to develop severe conditions; in addition to worsening the disease, this is due to the high level of pro-inflammatory cytokines, which is closely associated with increased mortality both in COVID-19 and MS. This increase is uncontrolled and exaggerated, characterizing the cytokine storm, so a possible therapy for this neuronal inflammation is the modulation of the cholinergic anti-inflammatory pathway, since acetylcholine (ACh) acts to reduce pro-inflammatory cytokines and acts directly on the brain for being released by cholinergic neurons, as well as acting on other cells such as immune and blood cells. In addition, due to tissue damage, there is an exacerbated release of adenosine triphosphate (ATP), potentiating the inflammatory process and activating purinergic receptors which act directly on neuroinflammation and positively modulate the inflammatory cycle. Associated with this, in neurological pathologies, there is greater expression of P2X7 in the cells of the microglia, which positively activates the immune inflammatory response. Thus, the administration of blockers of this receptor can act in conjunction with the action of ACh in the anticholinergic inflammatory pathway. Finally, there will be a reduction in the cytokine storm and triggered hyperinflammation, as well as the level of mortality in patients with multiple sclerosis infected with SARS-CoV-2 and the development of possible neurological damage.
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109
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Role of Purinergic Signalling in Endothelial Dysfunction and Thrombo-Inflammation in Ischaemic Stroke and Cerebral Small Vessel Disease. Biomolecules 2021; 11:biom11070994. [PMID: 34356618 PMCID: PMC8301873 DOI: 10.3390/biom11070994] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2021] [Revised: 06/28/2021] [Accepted: 07/01/2021] [Indexed: 12/20/2022] Open
Abstract
The cerebral endothelium is an active interface between blood and the central nervous system. In addition to being a physical barrier between the blood and the brain, the endothelium also actively regulates metabolic homeostasis, vascular tone and permeability, coagulation, and movement of immune cells. Being part of the blood–brain barrier, endothelial cells of the brain have specialized morphology, physiology, and phenotypes due to their unique microenvironment. Known cardiovascular risk factors facilitate cerebral endothelial dysfunction, leading to impaired vasodilation, an aggravated inflammatory response, as well as increased oxidative stress and vascular proliferation. This culminates in the thrombo-inflammatory response, an underlying cause of ischemic stroke and cerebral small vessel disease (CSVD). These events are further exacerbated when blood flow is returned to the brain after a period of ischemia, a phenomenon termed ischemia-reperfusion injury. Purinergic signaling is an endogenous molecular pathway in which the enzymes CD39 and CD73 catabolize extracellular adenosine triphosphate (eATP) to adenosine. After ischemia and CSVD, eATP is released from dying neurons as a damage molecule, triggering thrombosis and inflammation. In contrast, adenosine is anti-thrombotic, protects against oxidative stress, and suppresses the immune response. Evidently, therapies that promote adenosine generation or boost CD39 activity at the site of endothelial injury have promising benefits in the context of atherothrombotic stroke and can be extended to current CSVD known pathomechanisms. Here, we have reviewed the rationale and benefits of CD39 and CD39 therapies to treat endothelial dysfunction in the brain.
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110
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Li C, Sun T, Jiang C. Recent advances in nanomedicines for the treatment of ischemic stroke. Acta Pharm Sin B 2021; 11:1767-1788. [PMID: 34386320 PMCID: PMC8343119 DOI: 10.1016/j.apsb.2020.11.019] [Citation(s) in RCA: 70] [Impact Index Per Article: 23.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2020] [Revised: 08/27/2020] [Accepted: 09/13/2020] [Indexed: 12/20/2022] Open
Abstract
Ischemic stroke is a cerebrovascular disease normally caused by interrupted blood supply to the brain. Ischemia would initiate the cascade reaction consisted of multiple biochemical events in the damaged areas of the brain, where the ischemic cascade eventually leads to cell death and brain infarction. Extensive researches focusing on different stages of the cascade reaction have been conducted with the aim of curing ischemic stroke. However, traditional treatment methods based on antithrombotic therapy and neuroprotective therapy are greatly limited for their poor safety and treatment efficacy. Nanomedicine provides new possibilities for treating stroke as they could improve the pharmacokinetic behavior of drugs in vivo, achieve effective drug accumulation at the target site, enhance the therapeutic effect and meanwhile reduce the side effect. In this review, we comprehensively describe the pathophysiology of stroke, traditional treatment strategies and emerging nanomedicines, summarize the barriers and methods for transporting nanomedicine to the lesions, and illustrate the latest progress of nanomedicine in treating ischemic stroke, with a view to providing a new feasible path for the treatment of cerebral ischemia.
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Key Words
- AEPO, asialo-erythropoietin
- APOE, apolipoprotein E
- BBB, blood‒brain barrier
- BCECs, brain capillary endothelial cells
- Blood‒brain barrier
- CAT, catalase
- COX-1, cyclooxygenase-1
- CXCR-4, C-X-C chemokine receptor type 4
- Ce-NPs, ceria nanoparticles
- CsA, cyclosporine A
- DAMPs, damage-associated molecular patterns
- GFs, growth factors
- GPIIb/IIIa, glycoprotein IIb/IIIa
- HMGB1, high mobility group protein B1
- Hb, hemoglobin
- ICAM-1, intercellular adhesion molecule-1
- IL-1β, interleukin-1β
- IL-6, interleukin-6
- Ischemic cascade
- LFA-1, lymphocyte function-associated antigen-1
- LHb, liposomal Hb
- MCAO, middle cerebral artery occlusion
- MMPs, matrix metalloproteinases
- MSC, mesenchymal stem cell
- NF-κB, nuclear factor-κB
- NGF, nerve growth factor
- NMDAR, N-methyl-d-aspartate receptor
- NOS, nitric oxide synthase
- NPs, nanoparticles
- NSCs, neural stem cells
- Nanomedicine
- Neuroprotectant
- PBCA, poly-butylcyanoacrylate
- PCMS, poly (chloromethylstyrene)
- PEG, poly-ethylene-glycol
- PEG-PLA, poly (ethylene-glycol)-b-poly (lactide)
- PLGA NPs, poly (l-lactide-co-glycolide) nanoparticles
- PSD-95, postsynaptic density protein-95
- PSGL-1, P-selectin glycoprotein ligand-1
- RBCs, red blood cells
- RES, reticuloendothelial system
- RGD, Arg-Gly-Asp
- ROS, reactive oxygen species
- Reperfusion
- SDF-1, stromal cell-derived factor-1
- SHp, stroke homing peptide
- SOD, superoxide dismutase
- SUR1-TRPM4, sulfonylurea receptor 1-transient receptor potential melastatin-4
- Stroke
- TEMPO, 2,2,6,6-tetramethylpiperidine-1-oxyl
- TIA, transient ischemic attack
- TNF-α, tumor necrosis factor-α
- Thrombolytics
- cRGD, cyclic Arg-Gly-Asp
- e-PAM-R, arginine-poly-amidoamine ester
- iNOS, inducible nitric oxide synthase
- miRNAs, microRNAs
- nNOS, neuron nitric oxide synthase
- siRNA, small interfering RNA
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111
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Song B, Lee SJ, Kim CH. Roles of Cytokines in the Temporal Changes of Microglial Membrane Currents and Neuronal Excitability and Synaptic Efficacy in ATP-Induced Cortical Injury Model. Int J Mol Sci 2021; 22:ijms22136853. [PMID: 34202215 PMCID: PMC8268462 DOI: 10.3390/ijms22136853] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2021] [Revised: 06/18/2021] [Accepted: 06/23/2021] [Indexed: 12/20/2022] Open
Abstract
Cytokines are important neuroinflammatory modulators in neurodegenerative brain disorders including traumatic brain injury (TBI) and stroke. However, their temporal effects on the physiological properties of microglia and neurons during the recovery period have been unclear. Here, using an ATP-induced cortical injury model, we characterized selective effects of ATP injection compared to needle-control. In the damaged region, the fluorescent intensity of CX3CR1-GFP (+) cells, as well as the cell density, was increased and the maturation of newborn BrdU (+) cells continued until 28 day-post-injection (dpi) of ATP. The excitability and synaptic E/I balance of neurons and the inward and outward membrane currents of microglia were increased at 3 dpi, when expressions of tumor necrosis factor (TNF)-α/interleukin (IL)-1β and IL-10/IL-4 were also enhanced. These changes of both cells at 3 dpi were mostly decayed at 7 dpi and were suppressed by any of IL-10, IL-4, suramin (P2 receptor inhibitor) and 4-AP (K+ channel blocker). Acute ATP application alone induced only small effects from both naïve neurons and microglial cells in brain slice. However, TNF-α alone effectively increased the excitability of naïve neurons, which was blocked by suramin or 4-AP. TNF-α and IL-1β increased and decreased membrane currents of naïve microglia, respectively. Our results suggest that ATP and TNF-α dominantly induce the physiological activities of 3 dpi neurons and microglia, and IL-10 effectively suppresses such changes of both activated cells in K+ channel- and P2 receptor-dependent manner, while IL-4 suppresses neurons preferentially.
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Affiliation(s)
- Bokyung Song
- Center for Neuroscience, Brain Science Institute, Korea Institute of Science and Technology, Seoul 02792, Korea;
- Neuroscience Program, Division of Bio-Medical Science and Technology, KIST School, Korea University of Science and Technology, Seoul 02792, Korea
| | - Sung-Joong Lee
- Program in Neuroscience, Dental Research Institute, School of Dentistry, Seoul National University, Seoul 08826, Korea;
| | - Chong-Hyun Kim
- Center for Neuroscience, Brain Science Institute, Korea Institute of Science and Technology, Seoul 02792, Korea;
- Neuroscience Program, Division of Bio-Medical Science and Technology, KIST School, Korea University of Science and Technology, Seoul 02792, Korea
- Correspondence:
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112
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Yashiro T, Ogata H, Zaidi SF, Lee J, Hayashi S, Yamamoto T, Kadowaki M. Pathophysiological Roles of Neuro-Immune Interactions between Enteric Neurons and Mucosal Mast Cells in the Gut of Food Allergy Mice. Cells 2021; 10:1586. [PMID: 34201851 PMCID: PMC8305700 DOI: 10.3390/cells10071586] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2021] [Revised: 06/17/2021] [Accepted: 06/22/2021] [Indexed: 12/20/2022] Open
Abstract
Recently, the involvement of the nervous system in the pathology of allergic diseases has attracted increasing interest. However, the precise pathophysiological role of enteric neurons in food allergies has not been elucidated. We report the presence of functional high-affinity IgE receptors (FcεRIs) in enteric neurons. FcεRI immunoreactivities were observed in approximately 70% of cholinergic myenteric neurons from choline acetyltransferase-eGFP mice. Furthermore, stimulation by IgE-antigen elevated intracellular Ca2+ concentration in isolated myenteric neurons from normal mice, suggesting that FcεRIs are capable of activating myenteric neurons. Additionally, the morphological investigation revealed that the majority of mucosal mast cells were in close proximity to enteric nerve fibers in the colonic mucosa of food allergy mice. Next, using a newly developed coculture system of isolated myenteric neurons and mucosal-type bone-marrow-derived mast cells (mBMMCs) with a calcium imaging system, we demonstrated that the stimulation of isolated myenteric neurons by veratridine caused the activation of mBMMCs, which was suppressed by the adenosine A3 receptor antagonist MRE 3008F20. Moreover, the expression of the adenosine A3 receptor gene was detected in mBMMCs. Therefore, in conclusion, it is suggested that, through interaction with mucosal mast cells, IgE-antigen-activated myenteric neurons play a pathological role in further exacerbating the pathology of food allergy.
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Affiliation(s)
- Tomoe Yashiro
- Division of Gastrointestinal Pathophysiology, Institute of Natural Medicine, University of Toyama, 2630 Sugitani, Toyama 930-0194, Japan; (T.Y.); (H.O.); (S.F.Z.); (J.L.); (S.H.); (T.Y.)
| | - Hanako Ogata
- Division of Gastrointestinal Pathophysiology, Institute of Natural Medicine, University of Toyama, 2630 Sugitani, Toyama 930-0194, Japan; (T.Y.); (H.O.); (S.F.Z.); (J.L.); (S.H.); (T.Y.)
| | - Syed Faisal Zaidi
- Division of Gastrointestinal Pathophysiology, Institute of Natural Medicine, University of Toyama, 2630 Sugitani, Toyama 930-0194, Japan; (T.Y.); (H.O.); (S.F.Z.); (J.L.); (S.H.); (T.Y.)
- Department of Pharmacology, School of Medicine, Batterjee Medical College for Sciences and Technology, Jeddah 21442, Saudi Arabia
| | - Jaemin Lee
- Division of Gastrointestinal Pathophysiology, Institute of Natural Medicine, University of Toyama, 2630 Sugitani, Toyama 930-0194, Japan; (T.Y.); (H.O.); (S.F.Z.); (J.L.); (S.H.); (T.Y.)
| | - Shusaku Hayashi
- Division of Gastrointestinal Pathophysiology, Institute of Natural Medicine, University of Toyama, 2630 Sugitani, Toyama 930-0194, Japan; (T.Y.); (H.O.); (S.F.Z.); (J.L.); (S.H.); (T.Y.)
| | - Takeshi Yamamoto
- Division of Gastrointestinal Pathophysiology, Institute of Natural Medicine, University of Toyama, 2630 Sugitani, Toyama 930-0194, Japan; (T.Y.); (H.O.); (S.F.Z.); (J.L.); (S.H.); (T.Y.)
| | - Makoto Kadowaki
- Division of Gastrointestinal Pathophysiology, Institute of Natural Medicine, University of Toyama, 2630 Sugitani, Toyama 930-0194, Japan; (T.Y.); (H.O.); (S.F.Z.); (J.L.); (S.H.); (T.Y.)
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113
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Zhou J, Zhou Z, Liu X, Yin HY, Tang Y, Cao X. P2X7 Receptor-Mediated Inflammation in Cardiovascular Disease. Front Pharmacol 2021; 12:654425. [PMID: 33995071 PMCID: PMC8117356 DOI: 10.3389/fphar.2021.654425] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2021] [Accepted: 04/09/2021] [Indexed: 02/05/2023] Open
Abstract
Purinergic P2X7 receptor, a nonselective cation channel, is highly expressed in immune cells as well as cardiac smooth muscle cells and endothelial cells. Its activation exhibits to mediate nucleotide-binding domain (NOD)-like receptor protein 3 (NLRP3) inflammasome activation, resulting in the release of interleukin-1 beta (IL-1β) and interleukin-18 (IL-18), and pyroptosis, thus triggering inflammatory response. These pathological mechanisms lead to the deterioration of various cardiovascular diseases, including atherosclerosis, arrhythmia, myocardial infarction, pulmonary vascular remodeling, and cardiac fibrosis. All these worsening cardiac phenotypes are proven to be attenuated after the P2X7 receptor inhibition in experimental studies. The present review aimed to summarize key aspects of P2X7 receptor–mediated inflammation and pyroptosis in cardiovascular diseases. The main focus is on the evidence addressing the involvement of the P2X7 receptor in the inflammatory responses to the occurrence and development of cardiovascular disease and therapeutic interventions.
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Affiliation(s)
- Junteng Zhou
- Department of Cardiology, West China Hospital, Sichuan University, Chengdu, China
| | - Zhichao Zhou
- Division of Cardiology, Department of Medicine, Karolinska University Hospital, Karolinska Institutet, Stockholm, Sweden
| | - Xiaojing Liu
- Department of Cardiology, West China Hospital, Sichuan University, Chengdu, China.,Laboratory of Cardiovascular Diseases, Regenerative Medicine Research Center, West China Hospital, Sichuan University, Chengdu, China
| | - Hai-Yan Yin
- School of Acupuncture and Tuina and International Collaborative Centre on Big Science Plan for Purinergic Signalling, Chengdu University of Traditional Chinese Medicine, Chengdu, China.,Acupuncture and Chronobiology Key Laboratory of Sichuan Province, Chengdu, China
| | - Yong Tang
- School of Acupuncture and Tuina and International Collaborative Centre on Big Science Plan for Purinergic Signalling, Chengdu University of Traditional Chinese Medicine, Chengdu, China.,Acupuncture and Chronobiology Key Laboratory of Sichuan Province, Chengdu, China
| | - Xin Cao
- School of Acupuncture and Tuina and International Collaborative Centre on Big Science Plan for Purinergic Signalling, Chengdu University of Traditional Chinese Medicine, Chengdu, China.,Acupuncture and Chronobiology Key Laboratory of Sichuan Province, Chengdu, China
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114
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Mezghiche I, Yahia-Cherbal H, Rogge L, Bianchi E. Novel approaches to develop biomarkers predicting treatment responses to TNF-blockers. Expert Rev Clin Immunol 2021; 17:331-354. [PMID: 33622154 DOI: 10.1080/1744666x.2021.1894926] [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: 10/22/2022]
Abstract
Introduction: Chronic inflammatory diseases (CIDs) cause significant morbidity and are a considerable burden for the patients in terms of pain, impaired function, and diminished quality of life. Important progress in CID treatment has been obtained with biological therapies, such as tumor-necrosis-factor blockers. However, more than a third of the patients fail to respond to these inhibitors and are exposed to the side effects of treatment, without the benefits. Therefore, there is a strong interest in developing tools to predict response of patients to biologics. Areas covered: The authors searched PubMed for recent studies on biomarkers for disease assessment and prediction of therapeutic responses, focusing on the effect of TNF blockers on immune responses in spondyloarthritis (SpA), and other CID, in particular rheumatoid arthritis and inflammatory bowel disease. Conclusions will be drawn about the possible development of predictive biomarkers for response to treatment. Expert opinion: No validated biomarker is currently available to predict treatment response in CID. New insight could be generated through the development of new bioinformatic modeling approaches to combine multidimensional biomarkers that explain the different genetic, immunological and environmental determinants of therapeutic responses.
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Affiliation(s)
- Ikram Mezghiche
- Department of Immunology, Immunoregulation Unit, Institut Pasteur, Paris, France.,Université De Paris, Sorbonne Paris Cité, Paris, France
| | - Hanane Yahia-Cherbal
- Department of Immunology, Immunoregulation Unit, Institut Pasteur, Paris, France.,Fondation AP-HP, Paris, France
| | - Lars Rogge
- Department of Immunology, Immunoregulation Unit, Institut Pasteur, Paris, France.,Unité Mixte AP-HP/Institut Pasteur, Institut Pasteur, Paris, France
| | - Elisabetta Bianchi
- Department of Immunology, Immunoregulation Unit, Institut Pasteur, Paris, France.,Unité Mixte AP-HP/Institut Pasteur, Institut Pasteur, Paris, France
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115
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Casulli MA, Taurino I, Hashimoto T, Carrara S, Hayashita T. Electrochemical Sensing of Adenosin Triphosphate by Specific Binding to Dipicolylamine Group in Cyclodextrin Supramolecular Complex. ACS APPLIED BIO MATERIALS 2021; 4:3041-3045. [PMID: 35014392 DOI: 10.1021/acsabm.1c00166] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Electrochemical detection based on cyclodextrin supramolecular complexes is founded on the competitive binding between electroactive probes and target molecules. This limits their versatility to be used for sensing a broad range of metabolites. In this work, we demonstrate the significant role of zinc ions as well as of β-cyclodextrins modified with dipicolylamine and of a phenylboronic acid-modified ferrocene probe to address a selective electrochemical detection of adenosin triphosphate (ATP). Our findings will definitively have an impact in oncological point-of-care systems, since a high level of extracellular ATP reveals the inflammatory response due to chemotherapeutic treatments.
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Affiliation(s)
- Maria Antonietta Casulli
- Department of Materials and Life Sciences, Faculty of Science and Technology, Sophia University, 7-1 Kioi-cho, Chiyoda-ku, Tokyo 102-8554, Japan
| | - Irene Taurino
- Department of Materials and Life Sciences, Faculty of Science and Technology, Sophia University, 7-1 Kioi-cho, Chiyoda-ku, Tokyo 102-8554, Japan
| | - Takeshi Hashimoto
- Department of Materials and Life Sciences, Faculty of Science and Technology, Sophia University, 7-1 Kioi-cho, Chiyoda-ku, Tokyo 102-8554, Japan
| | - Sandro Carrara
- Integrated Circuit Laboratory, Ecole Polytechnique Fédérale de Lausanne (EPFL), 1015 Lausanne, Switzerland
| | - Takashi Hayashita
- Department of Materials and Life Sciences, Faculty of Science and Technology, Sophia University, 7-1 Kioi-cho, Chiyoda-ku, Tokyo 102-8554, Japan
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116
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Tolomeo AM, Castagliuolo I, Piccoli M, Grassi M, Magarotto F, De Lazzari G, Malvicini R, Caicci F, Franzin C, Scarpa M, Macchi V, De Caro R, Angriman I, Viola A, Porzionato A, Pozzobon M, Muraca M. Extracellular Vesicles Secreted by Mesenchymal Stromal Cells Exert Opposite Effects to Their Cells of Origin in Murine Sodium Dextran Sulfate-Induced Colitis. Front Immunol 2021; 12:627605. [PMID: 33927713 PMCID: PMC8076641 DOI: 10.3389/fimmu.2021.627605] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Accepted: 03/17/2021] [Indexed: 12/15/2022] Open
Abstract
Several reports have described a beneficial effect of Mesenchymal Stromal Cells (MSCs) and of their secreted extracellular vesicles (EVs) in mice with experimental colitis. However, the effects of the two treatments have not been thoroughly compared in this model. Here, we compared the effects of MSCs and of MSC-EV administration in mice with colitis induced by dextran sulfate sodium (DSS). Since cytokine conditioning was reported to enhance the immune modulatory activity of MSCs, the cells were kept either under standard culture conditions (naïve, nMSCs) or primed with a cocktail of pro-inflammatory cytokines, including IL1β, IL6 and TNFα (induced, iMSCs). In our experimental conditions, nMSCs and iMSCs administration resulted in both clinical and histological worsening and was associated with pro-inflammatory polarization of intestinal macrophages. However, mice treated with iEVs showed clinico-pathological improvement, decreased intestinal fibrosis and angiogenesis and a striking increase in intestinal expression of Mucin 5ac, suggesting improved epithelial function. Moreover, treatment with iEVs resulted in the polarization of intestinal macrophages towards and anti-inflammatory phenotype and in an increased Treg/Teff ratio at the level of the intestinal lymph node. Collectively, these data confirm that MSCs can behave either as anti- or as pro-inflammatory agents depending on the host environment. In contrast, EVs showed a beneficial effect, suggesting a more predictable behavior, a safer therapeutic profile and a higher therapeutic efficacy with respect to their cells of origin.
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Affiliation(s)
- Anna Maria Tolomeo
- Department of Women’s and Children’s Health, University of Padova, Padua, Italy
- Laboratory of Extracellular Vesicles as Therapeutic Tools, Fondazione Istituto di Ricerca Pediatrica Città della Speranza, Padua, Italy
- L.i.f.e.L.a.b. Program, Consorzio per la Ricerca Sanitaria (CORIS), Padua, Italy
| | | | - Martina Piccoli
- Laboratory of Tissue Engineering, Fondazione Istituto di Ricerca Pediatrica Città della Speranza, Padua, Italy
| | - Michele Grassi
- Department of Women’s and Children’s Health, University of Padova, Padua, Italy
| | - Fabio Magarotto
- Department of Women’s and Children’s Health, University of Padova, Padua, Italy
- Laboratory of Stem Cells and Regenerative Medicine, Fondazione Istituto di Ricerca Pediatrica Città della Speranza, Padua, Italy
| | - Giada De Lazzari
- Department of Women’s and Children’s Health, University of Padova, Padua, Italy
- Laboratory of Extracellular Vesicles as Therapeutic Tools, Fondazione Istituto di Ricerca Pediatrica Città della Speranza, Padua, Italy
- L.i.f.e.L.a.b. Program, Consorzio per la Ricerca Sanitaria (CORIS), Padua, Italy
| | - Ricardo Malvicini
- Laboratory of Extracellular Vesicles as Therapeutic Tools, Fondazione Istituto di Ricerca Pediatrica Città della Speranza, Padua, Italy
- L.i.f.e.L.a.b. Program, Consorzio per la Ricerca Sanitaria (CORIS), Padua, Italy
- Instituto de medicina traslacional, trasplante y bioingenieria (IMeTTyB-CONICET), Buenos Aires, Argentina
| | | | - Chiara Franzin
- Laboratory of Tissue Engineering, Fondazione Istituto di Ricerca Pediatrica Città della Speranza, Padua, Italy
| | - Melania Scarpa
- Laboratory of Advanced Translational Research, Veneto Institute of Oncology IOV–IRCCS, Padua, Italy
| | - Veronica Macchi
- Department of Neurosciences, University of Padova, Padua, Italy
| | - Raffaele De Caro
- L.i.f.e.L.a.b. Program, Consorzio per la Ricerca Sanitaria (CORIS), Padua, Italy
- Department of Neurosciences, University of Padova, Padua, Italy
| | - Imerio Angriman
- Department of Surgery, Oncology and Gastroenterology, University of Padova, Padua, Italy
| | - Antonella Viola
- Department of Biomedical Sciences, University of Padova, Padua, Italy
| | - Andrea Porzionato
- L.i.f.e.L.a.b. Program, Consorzio per la Ricerca Sanitaria (CORIS), Padua, Italy
- Department of Neurosciences, University of Padova, Padua, Italy
| | - Michela Pozzobon
- Department of Women’s and Children’s Health, University of Padova, Padua, Italy
- Laboratory of Stem Cells and Regenerative Medicine, Fondazione Istituto di Ricerca Pediatrica Città della Speranza, Padua, Italy
| | - Maurizio Muraca
- Department of Women’s and Children’s Health, University of Padova, Padua, Italy
- Laboratory of Extracellular Vesicles as Therapeutic Tools, Fondazione Istituto di Ricerca Pediatrica Città della Speranza, Padua, Italy
- L.i.f.e.L.a.b. Program, Consorzio per la Ricerca Sanitaria (CORIS), Padua, Italy
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117
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Stovbun SV, Kalinina TS, Zlenko DV, Kiselev AV, Litvin AA, Bukhvostov AA, Usachev SV, Kuznetsov DA. Antiviral potential of plant polysaccharide nanoparticles actuating non-specific immunity. Int J Biol Macromol 2021; 182:743-749. [PMID: 33831450 PMCID: PMC8020621 DOI: 10.1016/j.ijbiomac.2021.03.135] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2021] [Revised: 03/12/2021] [Accepted: 03/23/2021] [Indexed: 12/20/2022]
Abstract
The development of high-end targeted drugs and vaccines against modern pandemic infections, such as COVID-19, can take a too long time that lets the epidemic spin up and harms society. However, the countermeasures must be applied against the infection in this period until the targeted drugs became available. In this regard, the non-specific, broad-spectrum anti-viral means could be considered as a compromise allowing overcoming the period of trial. One way to enhance the ability to resist the infection is to activate the nonspecific immunity using a suitable driving-up agent, such as plant polysaccharides, particularly our drug Panavir isolated from the potato shoots. Earlier, we have shown the noticeable anti-viral and anti-bacterial activity of Panavir. Here we demonstrate the pro-inflammation activity of Panavir, which four-to-eight times intensified the ATP and MIF secretion by HL-60 cells. This effect was mediated by the active phagocytosis of the Panavir particles by the cells. We hypothesized the physiological basis of the Panavir proinflammatory activity is mediated by the indol-containing compounds (auxins) present in Panavir and acting as a plant analog of serotonin.
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Affiliation(s)
- Sergey V Stovbun
- N.N. Semenov Federal Research Center for Chemical Physics, Russian Academy of Sciences, Moscow, Russia
| | - Tatiana S Kalinina
- Federal State Budgetary Institution, Research Zakusov Institute of Pharmacology, Moscow, Russia
| | - Dmitry V Zlenko
- N.N. Semenov Federal Research Center for Chemical Physics, Russian Academy of Sciences, Moscow, Russia; M.V. Lomonosov Moscow State University, Moscow, Russia; A.N. Severtsov Institute of Ecology and Evolution, Moscow, Russia.
| | - Aleksei V Kiselev
- N.N. Semenov Federal Research Center for Chemical Physics, Russian Academy of Sciences, Moscow, Russia
| | - Alexander A Litvin
- Federal Research and Clinical Center of Physical-Chemical Medicine FMBA, Russia
| | | | - Sergey V Usachev
- N.N. Semenov Federal Research Center for Chemical Physics, Russian Academy of Sciences, Moscow, Russia
| | - Dmitry A Kuznetsov
- N.N. Semenov Federal Research Center for Chemical Physics, Russian Academy of Sciences, Moscow, Russia; N.I. Pirogov Russian, National Research Medical University, Moscow, Russia
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118
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Abstract
Epithelia are structurally integral elements in the fabric of oral mucosa with significant functional roles. Similarly, the gingival epithelium performs uniquely critical tasks in responding to a variety of external stimuli and dangers through the regulation of specific built-in molecular mechanisms in a context-dependent fashion at cellular levels. Gingival epithelial cells form an anatomic architecture that confers defense, robustness, and adaptation toward external aggressions, most critically to colonizing microorganisms, among other functions. Accordingly, recent studies unraveled previously uncharacterized response mechanisms in gingival epithelial cells that are constructed to rapidly exert biocidal effects against invader pathobiotic bacteria, such as Porphyromonas gingivalis, through small danger molecule signaling. The host-adapted bacteria, however, have developed adroit strategies to 1) exploit the epithelia as privileged growth niches and 2) chronically target cellular bactericidal and homeostatic metabolic pathways for successful bacterial persistence. As the overgrowth of colonizing microorganisms in the gingival mucosa can shift from homeostasis to dysbiosis or a diseased state, it is crucial to understand how the innate modulatory molecules are intricately involved in antibacterial pathways and how they shape susceptibility versus resistance in the epithelium toward pathogens. Thus, in this review, we highlight recent discoveries in gingival epithelial cell research in the context of bacterial colonizers. The current knowledge outlined here demonstrates the ability of epithelial cells to possess highly organized defense machineries, which can jointly regulate host-derived danger molecule signaling and integrate specific global responses against opportunistic bacteria to combat microbial incursion and maintain host homeostatic balance. These novel examples collectively suggest that the oral epithelia are equipped with a dynamically robust and interconnected defense system encompassing sensors and various effector molecules that arrange and achieve a fine-tuned and advanced response to diverse bacteria.
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Affiliation(s)
- J.S. Lee
- Department of Oral Health Sciences, College of Dental Medicine, Medical University of South Carolina, Charleston, SC, USA
| | - Ö. Yilmaz
- Department of Oral Health Sciences, College of Dental Medicine, Medical University of South Carolina, Charleston, SC, USA
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC, USA
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119
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Doleski PH, Cabral FL, Adefegha SA, Jantsch MH, Ebone RS, Leal DBR, Schetinger MRC. Distinct kinetics for nucleotide hydrolysis in lymphocytes isolated from blood, spleen and cervical lymph nodes: Characterization of ectonucleotidase activity. Cell Biochem Funct 2021; 39:511-520. [PMID: 33783015 DOI: 10.1002/cbf.3616] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2020] [Revised: 11/10/2020] [Accepted: 11/15/2020] [Indexed: 11/08/2022]
Abstract
Ectonucleotidases are a plasma membrane-bound enzyme that hydrolyses extracellular adenosine triphosphate (eATP) and adenosine diphosphate (eADP) to adenosine monophosphate (AMP). It regulates normal function of lymphocytes, acts as an inflammatory marker and represents a molecular target for new therapeutics. Thus, this study sought to isolate lymphocytes from blood (BL), spleen (SL) and cervical lymph node (CLL), and characterize the eATP and eADP enzymatic hydrolysis in Wistar rats. The hydrolysis of the nucleotides occurred primarily at pH 8.0, 37°C in the presence of Ca2+ or Mg2+ . Chevillard-plot showed the hydrolysis of eATP and eADP at the same active site. The inhibitors of some classical ATDPases did not cause any significant change on enzymatic activity. Inhibitors of E-NTPDase (-1, -2, -3 isoforms) and E-NPP-1 decrease the enzyme activity in all resident lymphocytes. Furthermore, kinetic parameters (Vmax and Km) revealed that SL had significantly (P < .001) higher enzymatic activity when compared to BL and CLL. In conclusion, this study standardized kinetic values for eATP and eADP hydrolysis for resident lymphocytes isolated from BL, SL and CLL.
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Affiliation(s)
- Pedro H Doleski
- Department of Biochemistry and Molecular Biology, Universidade Federal de Santa Maria, Santa Maria, Brazil
| | - Fernanda L Cabral
- Department of Microbiology and Parasitology, Universidade Federal de Santa Maria, Santa Maria, Brazil
| | - Stephen A Adefegha
- Department of Biochemistry and Molecular Biology, Universidade Federal de Santa Maria, Santa Maria, Brazil.,Department of Biochemistry, Federal University of Technology, Akure, Nigeria
| | - Matheus H Jantsch
- Department of Biochemistry and Molecular Biology, Universidade Federal de Santa Maria, Santa Maria, Brazil
| | - Renan S Ebone
- Department of Biochemistry and Molecular Biology, Universidade Federal de Santa Maria, Santa Maria, Brazil.,Department of Microbiology and Parasitology, Universidade Federal de Santa Maria, Santa Maria, Brazil
| | - Daniela B R Leal
- Department of Biochemistry and Molecular Biology, Universidade Federal de Santa Maria, Santa Maria, Brazil.,Department of Microbiology and Parasitology, Universidade Federal de Santa Maria, Santa Maria, Brazil
| | - Maria R C Schetinger
- Department of Biochemistry and Molecular Biology, Universidade Federal de Santa Maria, Santa Maria, Brazil
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120
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Castro MFV, Stefanello N, Assmann CE, Baldissarelli J, Bagatini MD, da Silva AD, da Costa P, Borba L, da Cruz IBM, Morsch VM, Schetinger MRC. Modulatory effects of caffeic acid on purinergic and cholinergic systems and oxi-inflammatory parameters of streptozotocin-induced diabetic rats. Life Sci 2021; 277:119421. [PMID: 33785337 DOI: 10.1016/j.lfs.2021.119421] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2021] [Revised: 03/15/2021] [Accepted: 03/23/2021] [Indexed: 12/20/2022]
Abstract
Diabetes mellitus (DM) is a metabolic disorder characterized by a chronic hyperglycemia state, increased oxidative stress parameters, and inflammatory processes. AIMS To evaluate the effect of caffeic acid (CA) on ecto-nucleoside triphosphate diphosphohydrolase (E-NTPDase) and adenosine deaminase (ADA) enzymatic activity and expression of the A2A receptor of the purinergic system, acetylcholinesterase (AChE) and butyrylcholinesterase (BuChE) enzymatic activity and expression of the α7nAChR receptor of the cholinergic system as well as inflammatory and oxidative parameters in diabetic rats. METHODS Diabetes was induced by a single dose intraperitoneally of streptozotocin (STZ, 55 mg/kg). Animals were divided into six groups (n = 10): control/oil; control/CA 10 mg/kg; control/CA 50 mg/kg; diabetic/oil; diabetic/CA 10 mg/kg; and diabetic/CA 50 mg/kg treated for thirty days by gavage. RESULTS CA treatment reduced ATP and ADP hydrolysis (lymphocytes) and ATP levels (serum), and reversed the increase in ADA and AChE (lymphocytes), BuChE (serum), and myeloperoxidase (MPO, plasma) activities in diabetic rats. CA treatment did not attenuate the increase in IL-1β and IL-6 gene expression (lymphocytes) in the diabetic state; however, it increased IL-10 and A2A gene expression, regardless of the animals' condition (healthy or diabetic), and α7nAChR gene expression. Additionally, CA attenuated the increase in oxidative stress markers and reversed the decrease in antioxidant parameters of diabetic animals. CONCLUSION Overall, our findings indicated that CA treatment positively modulated purinergic and cholinergic enzyme activities and receptor expression, and improved oxi-inflammatory parameters, thus suggesting that this phenolic acid could improve redox homeostasis dysregulation and purinergic and cholinergic signaling in the diabetic state.
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Affiliation(s)
- Milagros Fanny Vera Castro
- Post-Graduate Program in Biological Sciences: Toxicological Biochemistry, Center for Natural and Exact Sciences, Federal University of Santa Maria, University Campus, Camobi District, 97105-900 Santa Maria, RS, Brazil.
| | - Naiara Stefanello
- Post-Graduate Program in Biological Sciences: Toxicological Biochemistry, Center for Natural and Exact Sciences, Federal University of Santa Maria, University Campus, Camobi District, 97105-900 Santa Maria, RS, Brazil
| | - Charles Elias Assmann
- Post-Graduate Program in Biological Sciences: Toxicological Biochemistry, Center for Natural and Exact Sciences, Federal University of Santa Maria, University Campus, Camobi District, 97105-900 Santa Maria, RS, Brazil
| | - Jucimara Baldissarelli
- Post-Graduate Program in Biological Sciences: Toxicological Biochemistry, Center for Natural and Exact Sciences, Federal University of Santa Maria, University Campus, Camobi District, 97105-900 Santa Maria, RS, Brazil
| | - Margarete Dulce Bagatini
- Post-Graduate Program in Biological Sciences: Toxicological Biochemistry, Center for Natural and Exact Sciences, Federal University of Santa Maria, University Campus, Camobi District, 97105-900 Santa Maria, RS, Brazil
| | - Aniélen Dutra da Silva
- Post-Graduate Program in Biological Sciences: Toxicological Biochemistry, Center for Natural and Exact Sciences, Federal University of Santa Maria, University Campus, Camobi District, 97105-900 Santa Maria, RS, Brazil
| | - Pauline da Costa
- Post-Graduate Program in Biological Sciences: Toxicological Biochemistry, Center for Natural and Exact Sciences, Federal University of Santa Maria, University Campus, Camobi District, 97105-900 Santa Maria, RS, Brazil
| | - Loren Borba
- Post-Graduate Program in Biological Sciences: Toxicological Biochemistry, Center for Natural and Exact Sciences, Federal University of Santa Maria, University Campus, Camobi District, 97105-900 Santa Maria, RS, Brazil
| | - Ivana Beatrice Mânica da Cruz
- Post-Graduate Program in Pharmacology, Center of Health Sciences, Federal University of Santa Maria, University Campus, Camobi District, 97105-900 Santa Maria, RS, Brazil
| | - Vera Maria Morsch
- Post-Graduate Program in Biological Sciences: Toxicological Biochemistry, Center for Natural and Exact Sciences, Federal University of Santa Maria, University Campus, Camobi District, 97105-900 Santa Maria, RS, Brazil
| | - Maria Rosa Chitolina Schetinger
- Post-Graduate Program in Biological Sciences: Toxicological Biochemistry, Center for Natural and Exact Sciences, Federal University of Santa Maria, University Campus, Camobi District, 97105-900 Santa Maria, RS, Brazil.
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Muñoz-Cano R, San Bartolome C, Casas-Saucedo R, Araujo G, Gelis S, Ruano-Zaragoza M, Roca-Ferrer J, Palomares F, Martin M, Bartra J, Pascal M. Immune-Mediated Mechanisms in Cofactor-Dependent Food Allergy and Anaphylaxis: Effect of Cofactors in Basophils and Mast Cells. Front Immunol 2021; 11:623071. [PMID: 33679712 PMCID: PMC7925840 DOI: 10.3389/fimmu.2020.623071] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2020] [Accepted: 12/31/2020] [Indexed: 12/19/2022] Open
Abstract
Cofactors may explain why in some cases food ingestion leads to anaphylaxis while in others elicits a milder reaction or tolerance. With cofactors, reactions become more severe and/or have a lower allergen threshold. Cofactors are present in up to 58% of food anaphylaxis (FAn). Exercise, NSAIDs, and alcohol are the most frequently described, although the underlying mechanisms are poorly known. Several hypotheses have suggested the influence of these cofactors on basophils and mast cells (MCs). Exercise has been suggested to enhance MC activation by increasing plasma osmolarity, redistributing blood flow, and activating adenosine and eicosanoid metabolism. NSAIDs’ cofactor effect has been related with cyclooxygenase inhibition and therefore, prostaglandin E2 (PGE2) production. Indeed, overexpression of adenosine receptor 3 (A3) gene has been described in NSAID-dependent FAn; A3 activation potentiates FcϵRI-induced MC degranulation. Finally, alcohol has been related with an increase of histamine levels by inhibition of diamino oxidase (DAO) and also with and increase of extracellular adenosine by inhibition of its uptake. However, most of these mechanisms have limited evidence, and further studies are urgently needed. In conclusion, the study of the immune-related mechanisms involved in food allergic reactions enhanced by cofactors is of the utmost interest. This knowledge will help to design both tailored treatments and prophylactic strategies that, nowadays, are non-existent.
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Affiliation(s)
- Rosa Muñoz-Cano
- Allergy Section, Pneumology Department, Institut Clinic Respiratori (ICR), Hospital Clinic, Barcelona, Spain.,Asma, Reacciones Adversas y Alergia (ARADyAL), Instituto de Salud Carlos III, Madrid, Spain.,Immunoalergia Respiratoria y Experimental - Institut d'Investigacions Biomediques August Pi i Sunyer (IRCE-IDIBAPS), Barcelona, Spain.,Universitat de Barcelona, Barcelona, Spain
| | - Clara San Bartolome
- Asma, Reacciones Adversas y Alergia (ARADyAL), Instituto de Salud Carlos III, Madrid, Spain.,Immunoalergia Respiratoria y Experimental - Institut d'Investigacions Biomediques August Pi i Sunyer (IRCE-IDIBAPS), Barcelona, Spain.,Immunology Department, Centre de Diagnostic Biomedic (CDB), Hospital Clínic, Barcelona, Spain
| | - Rocío Casas-Saucedo
- Allergy Section, Pneumology Department, Institut Clinic Respiratori (ICR), Hospital Clinic, Barcelona, Spain.,Asma, Reacciones Adversas y Alergia (ARADyAL), Instituto de Salud Carlos III, Madrid, Spain.,Immunoalergia Respiratoria y Experimental - Institut d'Investigacions Biomediques August Pi i Sunyer (IRCE-IDIBAPS), Barcelona, Spain
| | - Giovanna Araujo
- Allergy Section, Pneumology Department, Institut Clinic Respiratori (ICR), Hospital Clinic, Barcelona, Spain.,Immunoalergia Respiratoria y Experimental - Institut d'Investigacions Biomediques August Pi i Sunyer (IRCE-IDIBAPS), Barcelona, Spain
| | - Sonia Gelis
- Allergy Section, Pneumology Department, Institut Clinic Respiratori (ICR), Hospital Clinic, Barcelona, Spain.,Immunoalergia Respiratoria y Experimental - Institut d'Investigacions Biomediques August Pi i Sunyer (IRCE-IDIBAPS), Barcelona, Spain
| | - Maria Ruano-Zaragoza
- Allergy Section, Pneumology Department, Institut Clinic Respiratori (ICR), Hospital Clinic, Barcelona, Spain.,Asma, Reacciones Adversas y Alergia (ARADyAL), Instituto de Salud Carlos III, Madrid, Spain.,Immunoalergia Respiratoria y Experimental - Institut d'Investigacions Biomediques August Pi i Sunyer (IRCE-IDIBAPS), Barcelona, Spain
| | - Jordi Roca-Ferrer
- Immunoalergia Respiratoria y Experimental - Institut d'Investigacions Biomediques August Pi i Sunyer (IRCE-IDIBAPS), Barcelona, Spain.,Universitat de Barcelona, Barcelona, Spain.,Centro de Investigaciones Biomédicas en Red de Enfermedades Respiratorias (CIBERES), Instituto de Salud Carlos III, Madrid, Spain
| | - Francis Palomares
- Asma, Reacciones Adversas y Alergia (ARADyAL), Instituto de Salud Carlos III, Madrid, Spain.,Allergy Research Group, Instituto de Investigación Biomédica de Málaga-IBIMA, Málaga, Spain
| | - Margarita Martin
- Asma, Reacciones Adversas y Alergia (ARADyAL), Instituto de Salud Carlos III, Madrid, Spain.,Immunoalergia Respiratoria y Experimental - Institut d'Investigacions Biomediques August Pi i Sunyer (IRCE-IDIBAPS), Barcelona, Spain.,Biochemistry Unit, University of Barcelona Faculty of Medicine and Health Sciences, Barcelona, Spain
| | - Joan Bartra
- Allergy Section, Pneumology Department, Institut Clinic Respiratori (ICR), Hospital Clinic, Barcelona, Spain.,Asma, Reacciones Adversas y Alergia (ARADyAL), Instituto de Salud Carlos III, Madrid, Spain.,Immunoalergia Respiratoria y Experimental - Institut d'Investigacions Biomediques August Pi i Sunyer (IRCE-IDIBAPS), Barcelona, Spain.,Universitat de Barcelona, Barcelona, Spain
| | - Mariona Pascal
- Asma, Reacciones Adversas y Alergia (ARADyAL), Instituto de Salud Carlos III, Madrid, Spain.,Immunoalergia Respiratoria y Experimental - Institut d'Investigacions Biomediques August Pi i Sunyer (IRCE-IDIBAPS), Barcelona, Spain.,Immunology Department, Centre de Diagnostic Biomedic (CDB), Hospital Clínic, Barcelona, Spain
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Xia L, Oyang L, Lin J, Tan S, Han Y, Wu N, Yi P, Tang L, Pan Q, Rao S, Liang J, Tang Y, Su M, Luo X, Yang Y, Shi Y, Wang H, Zhou Y, Liao Q. The cancer metabolic reprogramming and immune response. Mol Cancer 2021; 20:28. [PMID: 33546704 PMCID: PMC7863491 DOI: 10.1186/s12943-021-01316-8] [Citation(s) in RCA: 406] [Impact Index Per Article: 135.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2020] [Accepted: 01/15/2021] [Indexed: 02/07/2023] Open
Abstract
The overlapping metabolic reprogramming of cancer and immune cells is a putative determinant of the antitumor immune response in cancer. Increased evidence suggests that cancer metabolism not only plays a crucial role in cancer signaling for sustaining tumorigenesis and survival, but also has wider implications in the regulation of antitumor immune response through both the release of metabolites and affecting the expression of immune molecules, such as lactate, PGE2, arginine, etc. Actually, this energetic interplay between tumor and immune cells leads to metabolic competition in the tumor ecosystem, limiting nutrient availability and leading to microenvironmental acidosis, which hinders immune cell function. More interestingly, metabolic reprogramming is also indispensable in the process of maintaining self and body homeostasis by various types of immune cells. At present, more and more studies pointed out that immune cell would undergo metabolic reprogramming during the process of proliferation, differentiation, and execution of effector functions, which is essential to the immune response. Herein, we discuss how metabolic reprogramming of cancer cells and immune cells regulate antitumor immune response and the possible approaches to targeting metabolic pathways in the context of anticancer immunotherapy. We also describe hypothetical combination treatments between immunotherapy and metabolic intervening that could be used to better unleash the potential of anticancer therapies.
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Affiliation(s)
- Longzheng Xia
- Hunan Key Laboratory of Cancer Metabolism, The Affiliated Cancer Hospital of Xiangya School of Medicine, Hunan Cancer Hospital, Central South University, 283 Tongzipo Road, 410013, Changsha, Hunan, China
| | - Linda Oyang
- Hunan Key Laboratory of Cancer Metabolism, The Affiliated Cancer Hospital of Xiangya School of Medicine, Hunan Cancer Hospital, Central South University, 283 Tongzipo Road, 410013, Changsha, Hunan, China
| | - Jinguan Lin
- Hunan Key Laboratory of Cancer Metabolism, The Affiliated Cancer Hospital of Xiangya School of Medicine, Hunan Cancer Hospital, Central South University, 283 Tongzipo Road, 410013, Changsha, Hunan, China
| | - Shiming Tan
- Hunan Key Laboratory of Cancer Metabolism, The Affiliated Cancer Hospital of Xiangya School of Medicine, Hunan Cancer Hospital, Central South University, 283 Tongzipo Road, 410013, Changsha, Hunan, China
| | - Yaqian Han
- Hunan Key Laboratory of Cancer Metabolism, The Affiliated Cancer Hospital of Xiangya School of Medicine, Hunan Cancer Hospital, Central South University, 283 Tongzipo Road, 410013, Changsha, Hunan, China
| | - Nayiyuan Wu
- Hunan Key Laboratory of Cancer Metabolism, The Affiliated Cancer Hospital of Xiangya School of Medicine, Hunan Cancer Hospital, Central South University, 283 Tongzipo Road, 410013, Changsha, Hunan, China
| | - Pin Yi
- Hunan Key Laboratory of Cancer Metabolism, The Affiliated Cancer Hospital of Xiangya School of Medicine, Hunan Cancer Hospital, Central South University, 283 Tongzipo Road, 410013, Changsha, Hunan, China.,University of South China, 421001, Hengyang, Hunan, China
| | - Lu Tang
- Hunan Key Laboratory of Cancer Metabolism, The Affiliated Cancer Hospital of Xiangya School of Medicine, Hunan Cancer Hospital, Central South University, 283 Tongzipo Road, 410013, Changsha, Hunan, China.,University of South China, 421001, Hengyang, Hunan, China
| | - Qing Pan
- Hunan Key Laboratory of Cancer Metabolism, The Affiliated Cancer Hospital of Xiangya School of Medicine, Hunan Cancer Hospital, Central South University, 283 Tongzipo Road, 410013, Changsha, Hunan, China.,University of South China, 421001, Hengyang, Hunan, China
| | - Shan Rao
- Hunan Key Laboratory of Cancer Metabolism, The Affiliated Cancer Hospital of Xiangya School of Medicine, Hunan Cancer Hospital, Central South University, 283 Tongzipo Road, 410013, Changsha, Hunan, China
| | - Jiaxin Liang
- Hunan Key Laboratory of Cancer Metabolism, The Affiliated Cancer Hospital of Xiangya School of Medicine, Hunan Cancer Hospital, Central South University, 283 Tongzipo Road, 410013, Changsha, Hunan, China
| | - Yanyan Tang
- Hunan Key Laboratory of Cancer Metabolism, The Affiliated Cancer Hospital of Xiangya School of Medicine, Hunan Cancer Hospital, Central South University, 283 Tongzipo Road, 410013, Changsha, Hunan, China
| | - Min Su
- Hunan Key Laboratory of Cancer Metabolism, The Affiliated Cancer Hospital of Xiangya School of Medicine, Hunan Cancer Hospital, Central South University, 283 Tongzipo Road, 410013, Changsha, Hunan, China
| | - Xia Luo
- Hunan Key Laboratory of Cancer Metabolism, The Affiliated Cancer Hospital of Xiangya School of Medicine, Hunan Cancer Hospital, Central South University, 283 Tongzipo Road, 410013, Changsha, Hunan, China
| | - Yiqing Yang
- Hunan Key Laboratory of Cancer Metabolism, The Affiliated Cancer Hospital of Xiangya School of Medicine, Hunan Cancer Hospital, Central South University, 283 Tongzipo Road, 410013, Changsha, Hunan, China
| | - Yingrui Shi
- Hunan Key Laboratory of Cancer Metabolism, The Affiliated Cancer Hospital of Xiangya School of Medicine, Hunan Cancer Hospital, Central South University, 283 Tongzipo Road, 410013, Changsha, Hunan, China
| | - Hui Wang
- Hunan Key Laboratory of Cancer Metabolism, The Affiliated Cancer Hospital of Xiangya School of Medicine, Hunan Cancer Hospital, Central South University, 283 Tongzipo Road, 410013, Changsha, Hunan, China
| | - Yujuan Zhou
- Hunan Key Laboratory of Cancer Metabolism, The Affiliated Cancer Hospital of Xiangya School of Medicine, Hunan Cancer Hospital, Central South University, 283 Tongzipo Road, 410013, Changsha, Hunan, China.
| | - Qianjin Liao
- Hunan Key Laboratory of Cancer Metabolism, The Affiliated Cancer Hospital of Xiangya School of Medicine, Hunan Cancer Hospital, Central South University, 283 Tongzipo Road, 410013, Changsha, Hunan, China.
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Lee JS, Chowdhury N, Roberts JS, Yilmaz Ö. Host surface ectonucleotidase-CD73 and the opportunistic pathogen, Porphyromonas gingivalis, cross-modulation underlies a new homeostatic mechanism for chronic bacterial survival in human epithelial cells. Virulence 2021; 11:414-429. [PMID: 32419582 PMCID: PMC7239027 DOI: 10.1080/21505594.2020.1763061] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Cell surface nucleotide-metabolizing enzyme, ectonucleotidase-CD73, has emerged as a central component of the cellular homeostatic-machinery that counterbalances the danger-molecule (extracellular-ATP)-driven proinflammatory response in immune cells. While the importance of CD73 in microbial host fitness and symbiosis is gradually being unraveled, there remains a significant gap in knowledge of CD73 and its putative role in epithelial cells. Here, we depict a novel host-pathogen adaptation mechanism where CD73 takes a center role in the intracellular persistence of Porphyromonas gingivalis, a major colonizer of oral mucosa, using human primary gingival epithelial cell (GEC) system. Temporal analyses revealed, upon invasion into the GECs, P. gingivalis can significantly elevate the host-surface CD73 activity and expression. The enhanced and active CD73 significantly increases P. gingivalis intracellular growth in the presence of substrate-AMP and simultaneously acts as a negative regulator of reactive oxygen species (ROS) generation upon eATP treatment. The inhibition of CD73 by siRNA or by a specific inhibitor markedly increases ROS production. Moreover, CD73 and P. gingivalis cross-signaling significantly modulates pro-inflammatory interleukin-6 (IL-6) in the GECs. Conversely, exogenous treatment of the infected GECs with IL-6 suppresses the intracellular bacteria via amplified ROS generation. However, the decreased bacterial levels can be restored by overexpressing functionally active CD73. Together, these findings illuminate how the local extracellular-purine-metabolism, in which CD73 serves as a core molecular switch, can alter intracellular microbial colonization resistance. Further, host-adaptive pathogens such as P. gingivalis can target host ectonucleotidases to disarm specific innate defenses for successful intracellular persistence in mucosal epithelia.
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Affiliation(s)
- Jaden S Lee
- Department of Oral Health Sciences, Medical University of South Carolina, Charleston, SC, USA
| | - Nityananda Chowdhury
- Department of Oral Health Sciences, Medical University of South Carolina, Charleston, SC, USA
| | - JoAnn S Roberts
- Department of Oral Health Sciences, Medical University of South Carolina, Charleston, SC, USA
| | - Özlem Yilmaz
- Department of Oral Health Sciences, Medical University of South Carolina, Charleston, SC, USA.,Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC, USA
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Wang W, Wang B, Sun S, Cao S, Zhai X, Zhang C, Zhang Q, Yuan Q, Sun Y, Xue M, Ma J, Xu F, Wei S, Chen Y. Inhibition of adenosine kinase attenuates myocardial ischaemia/reperfusion injury. J Cell Mol Med 2021; 25:2931-2943. [PMID: 33523568 PMCID: PMC7957171 DOI: 10.1111/jcmm.16328] [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: 11/24/2020] [Revised: 12/31/2020] [Accepted: 01/15/2021] [Indexed: 12/12/2022] Open
Abstract
Increased adenosine helps limit infarct size in ischaemia/reperfusion‐injured hearts. In cardiomyocytes, 90% of adenosine is catalysed by adenosine kinase (ADK) and ADK inhibition leads to higher concentrations of both intracellular adenosine and extracellular adenosine. However, the role of ADK inhibition in myocardial ischaemia/reperfusion (I/R) injury remains less obvious. We explored the role of ADK inhibition in myocardial I/R injury using mouse left anterior ligation model. To inhibit ADK, the inhibitor ABT‐702 was intraperitoneally injected or AAV9 (adeno‐associated virus)—ADK—shRNA was introduced via tail vein injection. H9c2 cells were exposed to hypoxia/reoxygenation (H/R) to elucidate the underlying mechanisms. ADK was transiently increased after myocardial I/R injury. Pharmacological or genetic ADK inhibition reduced infarct size, improved cardiac function and prevented cell apoptosis and necroptosis in I/R‐injured mouse hearts. In vitro, ADK inhibition also prevented cell apoptosis and cell necroptosis in H/R‐treated H9c2 cells. Cleaved caspase‐9, cleaved caspase‐8, cleaved caspase‐3, MLKL and the phosphorylation of MLKL and CaMKII were decreased by ADK inhibition in reperfusion‐injured cardiomyocytes. X‐linked inhibitor of apoptosis protein (XIAP), which is phosphorylated and stabilized via the adenosine receptors A2B and A1/Akt pathways, should play a central role in the effects of ADK inhibition on cell apoptosis and necroptosis. These data suggest that ADK plays an important role in myocardial I/R injury by regulating cell apoptosis and necroptosis.
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Affiliation(s)
- Wenjun Wang
- Department of Emergency and Chest Pain Center, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China.,Clinical Research Center for Emergency and Critical Care Medicine of Shandong Province, Institute of Emergency and Critical Care Medicine of Shandong University, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China.,Key Laboratory of Emergency and Critical Care Medicine of Shandong Province, Key Laboratory of Cardiopulmonary-Cerebral Resuscitation Research of Shandong Province, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China.,The Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education, Chinese Ministry of Health and Chinese Academy of Medical Sciences, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China.,The State and Shandong Province Joint Key Laboratory of Translational Cardiovascular Medicine, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Bailu Wang
- Clinical Trial Center, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Shukun Sun
- Department of Emergency and Chest Pain Center, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China.,Clinical Research Center for Emergency and Critical Care Medicine of Shandong Province, Institute of Emergency and Critical Care Medicine of Shandong University, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China.,Key Laboratory of Emergency and Critical Care Medicine of Shandong Province, Key Laboratory of Cardiopulmonary-Cerebral Resuscitation Research of Shandong Province, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China.,The Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education, Chinese Ministry of Health and Chinese Academy of Medical Sciences, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China.,The State and Shandong Province Joint Key Laboratory of Translational Cardiovascular Medicine, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Shengchuan Cao
- Department of Emergency and Chest Pain Center, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China.,Clinical Research Center for Emergency and Critical Care Medicine of Shandong Province, Institute of Emergency and Critical Care Medicine of Shandong University, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China.,Key Laboratory of Emergency and Critical Care Medicine of Shandong Province, Key Laboratory of Cardiopulmonary-Cerebral Resuscitation Research of Shandong Province, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China.,The Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education, Chinese Ministry of Health and Chinese Academy of Medical Sciences, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China.,The State and Shandong Province Joint Key Laboratory of Translational Cardiovascular Medicine, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Xiaoxuan Zhai
- Department of Emergency and Chest Pain Center, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China.,Clinical Research Center for Emergency and Critical Care Medicine of Shandong Province, Institute of Emergency and Critical Care Medicine of Shandong University, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China.,Key Laboratory of Emergency and Critical Care Medicine of Shandong Province, Key Laboratory of Cardiopulmonary-Cerebral Resuscitation Research of Shandong Province, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China.,The Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education, Chinese Ministry of Health and Chinese Academy of Medical Sciences, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China.,The State and Shandong Province Joint Key Laboratory of Translational Cardiovascular Medicine, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Chuanxin Zhang
- Department of Emergency and Chest Pain Center, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China.,Clinical Research Center for Emergency and Critical Care Medicine of Shandong Province, Institute of Emergency and Critical Care Medicine of Shandong University, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China.,Key Laboratory of Emergency and Critical Care Medicine of Shandong Province, Key Laboratory of Cardiopulmonary-Cerebral Resuscitation Research of Shandong Province, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China.,The Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education, Chinese Ministry of Health and Chinese Academy of Medical Sciences, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China.,The State and Shandong Province Joint Key Laboratory of Translational Cardiovascular Medicine, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Qun Zhang
- Department of Emergency and Chest Pain Center, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China.,Clinical Research Center for Emergency and Critical Care Medicine of Shandong Province, Institute of Emergency and Critical Care Medicine of Shandong University, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China.,Key Laboratory of Emergency and Critical Care Medicine of Shandong Province, Key Laboratory of Cardiopulmonary-Cerebral Resuscitation Research of Shandong Province, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China.,The Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education, Chinese Ministry of Health and Chinese Academy of Medical Sciences, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China.,The State and Shandong Province Joint Key Laboratory of Translational Cardiovascular Medicine, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Qiuhuan Yuan
- Department of Emergency and Chest Pain Center, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China.,Clinical Research Center for Emergency and Critical Care Medicine of Shandong Province, Institute of Emergency and Critical Care Medicine of Shandong University, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China.,Key Laboratory of Emergency and Critical Care Medicine of Shandong Province, Key Laboratory of Cardiopulmonary-Cerebral Resuscitation Research of Shandong Province, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China.,The Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education, Chinese Ministry of Health and Chinese Academy of Medical Sciences, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China.,The State and Shandong Province Joint Key Laboratory of Translational Cardiovascular Medicine, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Yi Sun
- Department of Emergency and Chest Pain Center, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China.,Clinical Research Center for Emergency and Critical Care Medicine of Shandong Province, Institute of Emergency and Critical Care Medicine of Shandong University, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China.,Key Laboratory of Emergency and Critical Care Medicine of Shandong Province, Key Laboratory of Cardiopulmonary-Cerebral Resuscitation Research of Shandong Province, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China.,The Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education, Chinese Ministry of Health and Chinese Academy of Medical Sciences, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China.,The State and Shandong Province Joint Key Laboratory of Translational Cardiovascular Medicine, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Mengyang Xue
- Department of Emergency and Chest Pain Center, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China.,Clinical Research Center for Emergency and Critical Care Medicine of Shandong Province, Institute of Emergency and Critical Care Medicine of Shandong University, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China.,Key Laboratory of Emergency and Critical Care Medicine of Shandong Province, Key Laboratory of Cardiopulmonary-Cerebral Resuscitation Research of Shandong Province, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China.,The Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education, Chinese Ministry of Health and Chinese Academy of Medical Sciences, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China.,The State and Shandong Province Joint Key Laboratory of Translational Cardiovascular Medicine, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Jingjing Ma
- Department of Emergency and Chest Pain Center, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China.,Clinical Research Center for Emergency and Critical Care Medicine of Shandong Province, Institute of Emergency and Critical Care Medicine of Shandong University, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China.,Key Laboratory of Emergency and Critical Care Medicine of Shandong Province, Key Laboratory of Cardiopulmonary-Cerebral Resuscitation Research of Shandong Province, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China.,The Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education, Chinese Ministry of Health and Chinese Academy of Medical Sciences, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China.,The State and Shandong Province Joint Key Laboratory of Translational Cardiovascular Medicine, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Feng Xu
- Department of Emergency and Chest Pain Center, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China.,Clinical Research Center for Emergency and Critical Care Medicine of Shandong Province, Institute of Emergency and Critical Care Medicine of Shandong University, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China.,Key Laboratory of Emergency and Critical Care Medicine of Shandong Province, Key Laboratory of Cardiopulmonary-Cerebral Resuscitation Research of Shandong Province, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China.,The Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education, Chinese Ministry of Health and Chinese Academy of Medical Sciences, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China.,The State and Shandong Province Joint Key Laboratory of Translational Cardiovascular Medicine, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Shujian Wei
- Department of Emergency and Chest Pain Center, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China.,Clinical Research Center for Emergency and Critical Care Medicine of Shandong Province, Institute of Emergency and Critical Care Medicine of Shandong University, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China.,Key Laboratory of Emergency and Critical Care Medicine of Shandong Province, Key Laboratory of Cardiopulmonary-Cerebral Resuscitation Research of Shandong Province, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China.,The Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education, Chinese Ministry of Health and Chinese Academy of Medical Sciences, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China.,The State and Shandong Province Joint Key Laboratory of Translational Cardiovascular Medicine, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Yuguo Chen
- Department of Emergency and Chest Pain Center, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China.,Clinical Research Center for Emergency and Critical Care Medicine of Shandong Province, Institute of Emergency and Critical Care Medicine of Shandong University, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China.,Key Laboratory of Emergency and Critical Care Medicine of Shandong Province, Key Laboratory of Cardiopulmonary-Cerebral Resuscitation Research of Shandong Province, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China.,The Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education, Chinese Ministry of Health and Chinese Academy of Medical Sciences, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China.,The State and Shandong Province Joint Key Laboratory of Translational Cardiovascular Medicine, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China
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Douguet L, Janho Dit Hreich S, Benzaquen J, Seguin L, Juhel T, Dezitter X, Duranton C, Ryffel B, Kanellopoulos J, Delarasse C, Renault N, Furman C, Homerin G, Féral C, Cherfils-Vicini J, Millet R, Adriouch S, Ghinet A, Hofman P, Vouret-Craviari V. A small-molecule P2RX7 activator promotes anti-tumor immune responses and sensitizes lung tumor to immunotherapy. Nat Commun 2021; 12:653. [PMID: 33510147 PMCID: PMC7843983 DOI: 10.1038/s41467-021-20912-2] [Citation(s) in RCA: 40] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Accepted: 12/23/2020] [Indexed: 01/30/2023] Open
Abstract
Only a subpopulation of non-small cell lung cancer (NSCLC) patients responds to immunotherapies, highlighting the urgent need to develop therapeutic strategies to improve patient outcome. We develop a chemical positive modulator (HEI3090) of the purinergic P2RX7 receptor that potentiates αPD-1 treatment to effectively control the growth of lung tumors in transplantable and oncogene-induced mouse models and triggers long lasting antitumor immune responses. Mechanistically, the molecule stimulates dendritic P2RX7-expressing cells to generate IL-18 which leads to the production of IFN-γ by Natural Killer and CD4+ T cells within tumors. Combined with immune checkpoint inhibitor, the molecule induces a complete tumor regression in 80% of LLC tumor-bearing mice. Cured mice are also protected against tumor re-challenge due to a CD8-dependent protective response. Hence, combination treatment of small-molecule P2RX7 activator followed by immune checkpoint inhibitor represents a strategy that may be active against NSCLC.
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MESH Headings
- Animals
- Carcinoma, Lewis Lung/genetics
- Carcinoma, Lewis Lung/immunology
- Carcinoma, Lewis Lung/therapy
- Cell Line, Tumor
- Combined Modality Therapy
- Female
- HEK293 Cells
- Humans
- Immune Checkpoint Inhibitors/immunology
- Immune Checkpoint Inhibitors/pharmacology
- Immunotherapy/methods
- Interferon-gamma/immunology
- Interferon-gamma/metabolism
- Interleukin-18/genetics
- Interleukin-18/immunology
- Interleukin-18/metabolism
- Mice, Inbred C57BL
- Mice, Knockout
- Mice, Transgenic
- Molecular Structure
- Receptors, Purinergic P2X7/genetics
- Receptors, Purinergic P2X7/immunology
- Receptors, Purinergic P2X7/metabolism
- Small Molecule Libraries/chemistry
- Small Molecule Libraries/pharmacology
- Survival Analysis
- Tumor Burden/drug effects
- Tumor Burden/immunology
- Mice
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Affiliation(s)
| | - Serena Janho Dit Hreich
- Université Côte d'Azur, CNRS, INSERM, IRCAN, Nice, France
- FHU OncoAge, Nice, France
- Centre Antoine Lacassagne, Nice, France
| | - Jonathan Benzaquen
- Université Côte d'Azur, CNRS, INSERM, IRCAN, Nice, France
- FHU OncoAge, Nice, France
- Centre Antoine Lacassagne, Nice, France
| | - Laetitia Seguin
- Université Côte d'Azur, CNRS, INSERM, IRCAN, Nice, France
- FHU OncoAge, Nice, France
| | - Thierry Juhel
- Université Côte d'Azur, CNRS, INSERM, IRCAN, Nice, France
| | - Xavier Dezitter
- Inserm, CHU Lille, U1286-Infinite-Institute for Translational Research in Inflammation, University of Lille, Lille, France
- Institut de Chimie Pharmaceutique Albert Lespagnol, IFR114, Lille, France
| | | | - Bernhard Ryffel
- INEM-UMR7355, Institute of Molecular Immunology and Neurogenetic, University and CNRS, Orleans, France
| | - Jean Kanellopoulos
- Institute for Integrative Biology of the Cell (I2BC), CEA, CNRS, Université Paris-Saclay, Gif-sur-Yvette Cedex, France
| | - Cecile Delarasse
- INSERM, CNRS, Institut de la Vision, Sorbonne Université, Paris, France
| | - Nicolas Renault
- Inserm, CHU Lille, U1286-Infinite-Institute for Translational Research in Inflammation, University of Lille, Lille, France
- Institut de Chimie Pharmaceutique Albert Lespagnol, IFR114, Lille, France
| | - Christophe Furman
- Inserm, CHU Lille, U1286-Infinite-Institute for Translational Research in Inflammation, University of Lille, Lille, France
- Institut de Chimie Pharmaceutique Albert Lespagnol, IFR114, Lille, France
| | - Germain Homerin
- Inserm, CHU Lille, U1286-Infinite-Institute for Translational Research in Inflammation, University of Lille, Lille, France
- Hautes Etudes d'Ingénieur (HEI), JUNIA, UC Lille, Laboratoire de Chimie Durable et Santé, Lille, France
| | - Chloé Féral
- Université Côte d'Azur, CNRS, INSERM, IRCAN, Nice, France
- FHU OncoAge, Nice, France
| | | | - Régis Millet
- Inserm, CHU Lille, U1286-Infinite-Institute for Translational Research in Inflammation, University of Lille, Lille, France
- Institut de Chimie Pharmaceutique Albert Lespagnol, IFR114, Lille, France
| | - Sahil Adriouch
- Institute for Research and Innovation in Biomedicine, Normandie University, Rouen, France
| | - Alina Ghinet
- Inserm, CHU Lille, U1286-Infinite-Institute for Translational Research in Inflammation, University of Lille, Lille, France
- Hautes Etudes d'Ingénieur (HEI), JUNIA, UC Lille, Laboratoire de Chimie Durable et Santé, Lille, France
- Faculty of Chemistry, 'Al. I. Cuza' University of Iasi, Iasi, Romania
| | - Paul Hofman
- Université Côte d'Azur, CNRS, INSERM, IRCAN, Nice, France
- FHU OncoAge, Nice, France
- Hospital-Related Biobank (BB-0033-00025), Pasteur Hospital, Nice, France
- Laboratory of Clinical and Experimental Pathology and Biobank, Pasteur Hospital, Nice, France
| | - Valérie Vouret-Craviari
- Université Côte d'Azur, CNRS, INSERM, IRCAN, Nice, France.
- FHU OncoAge, Nice, France.
- Centre Antoine Lacassagne, Nice, France.
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126
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Sarti AC, Vultaggio-Poma V, Falzoni S, Missiroli S, Giuliani AL, Boldrini P, Bonora M, Faita F, Di Lascio N, Kusmic C, Solini A, Novello S, Morari M, Rossato M, Wieckowski MR, Giorgi C, Pinton P, Di Virgilio F. Mitochondrial P2X7 Receptor Localization Modulates Energy Metabolism Enhancing Physical Performance. FUNCTION (OXFORD, ENGLAND) 2021; 2:zqab005. [PMID: 35330818 PMCID: PMC8788778 DOI: 10.1093/function/zqab005] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Revised: 01/25/2021] [Accepted: 01/27/2021] [Indexed: 02/06/2023]
Abstract
Basal expression of the P2X7 receptor (P2X7R) improves mitochondrial metabolism, Adenosine 5'-triphosphate (ATP) synthesis, and overall fitness of immune and non-immune cells. We investigated P2X7R contribution to energy metabolism and subcellular localization in fibroblasts (mouse embryo fibroblasts and HEK293 human fibroblasts), mouse microglia (primary brain microglia, and the N13 microglia cell line), and heart tissue. The P2X7R localizes to mitochondria, and its lack (1) decreases basal respiratory rate, ATP-coupled respiration, maximal uncoupled respiration, resting mitochondrial potential, mitochondrial matrix Ca2+ level, (2) modifies expression pattern of oxidative phosphorylation enzymes, and (3) severely affects cardiac performance. Hearts from P2rx7-deleted versus wild-type mice are larger, heart mitochondria smaller, and stroke volume, ejection fraction, fractional shortening, and cardiac output, are significantly decreased. Accordingly, the physical fitness of P2X7R-null mice is severely reduced. Thus, the P2X7R is a key modulator of mitochondrial energy metabolism and a determinant of physical fitness.
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Affiliation(s)
- Alba Clara Sarti
- Department of Medical Sciences, University of
Ferrara, Ferrara 44121, Italy
| | | | - Simonetta Falzoni
- Department of Medical Sciences, University of
Ferrara, Ferrara 44121, Italy
| | - Sonia Missiroli
- Department of Medical Sciences, University of
Ferrara, Ferrara 44121, Italy
| | - Anna Lisa Giuliani
- Department of Medical Sciences, University of
Ferrara, Ferrara 44121, Italy
| | - Paola Boldrini
- Center of Electronic Microscopy, University of
Ferrara, Ferrara 44121, Italy
| | - Massimo Bonora
- Department of Medical Sciences, University of
Ferrara, Ferrara 44121, Italy
| | - Francesco Faita
- Institute of Clinical Physiology, National Research
Council, Pisa 56124, Italy
| | - Nicole Di Lascio
- Institute of Clinical Physiology, National Research
Council, Pisa 56124, Italy
| | - Claudia Kusmic
- Institute of Clinical Physiology, National Research
Council, Pisa 56124, Italy
| | - Anna Solini
- Department of Surgical, Medical, Molecular, and
Critical Area Pathology, University of Pisa, Pisa 56124, Italy
| | - Salvatore Novello
- Department of Biomedical and Specialty Surgical
Sciences, University of Ferrara, Ferrara 44121, Italy
| | - Michele Morari
- Department of Biomedical and Specialty Surgical
Sciences, University of Ferrara, Ferrara 44121, Italy
| | - Marco Rossato
- Department of Medicine, University of
Padova, Padova 35128, Italy
| | | | - Carlotta Giorgi
- Department of Medical Sciences, University of
Ferrara, Ferrara 44121, Italy
| | - Paolo Pinton
- Department of Medical Sciences, University of
Ferrara, Ferrara 44121, Italy
| | - Francesco Di Virgilio
- Department of Medical Sciences, University of
Ferrara, Ferrara 44121, Italy,Address correspondence to F.D.V. (e-mail:
)
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Babou Kammoe RB, Kauffenstein G, Pelletier J, Robaye B, Sévigny J. NTPDase1 Modulates Smooth Muscle Contraction in Mice Bladder by Regulating Nucleotide Receptor Activation Distinctly in Male and Female. Biomolecules 2021; 11:biom11020147. [PMID: 33498759 PMCID: PMC7911947 DOI: 10.3390/biom11020147] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Revised: 01/17/2021] [Accepted: 01/20/2021] [Indexed: 12/20/2022] Open
Abstract
Nucleotides released by smooth muscle cells (SMCs) and by innervating nerve terminals activate specific P2 receptors and modulate bladder contraction. We hypothesized that cell surface enzymes regulate SMC contraction in mice bladder by controlling the concentration of nucleotides. We showed by immunohistochemistry, enzymatic histochemistry, and biochemical activities that nucleoside triphosphate diphosphohydrolase-1 (NTPDase1) and ecto-5′-nucleotidase were the major ectonucleotidases expressed by SMCs in the bladder. RT-qPCR revealed that, among the nucleotide receptors, there was higher expression of P2X1, P2Y1, and P2Y6 receptors. Ex vivo, nucleotides induced a more potent contraction of bladder strips isolated from NTPDase1 deficient (Entpd1−/−) mice compared to wild type controls. The strongest responses were obtained with uridine 5′-triphosphate (UTP) and uridine 5′-diphosphate (UDP), suggesting the involvement of P2Y6 receptors, which was confirmed with P2ry6−/− bladder strips. Interestingly, this response was reduced in female bladders. Our results also suggest the participation of P2X1, P2Y2 and/or P2Y4, and P2Y12 in these contractions. A reduced response to the thromboxane analogue U46619 was also observed in wild type, Entpd1−/−, and P2ry6−/− female bladders showing another difference due to sex. In summary, NTPDase1 modulates the activation of nucleotide receptors in mouse bladder SMCs, and contractions induced by P2Y6 receptor activation were weaker in female bladders.
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Affiliation(s)
- Romuald Brice Babou Kammoe
- Centre de Recherche du CHU de Québec, Université Laval, Québec City, QC G1V 4G2, Canada; (R.B.B.K.); (G.K.); (J.P.)
- Département de Microbiologie-Infectiologie et d’immunologie, Faculté de Médecine, Université Laval, Québec City, QC G1V 0A6, Canada
| | - Gilles Kauffenstein
- Centre de Recherche du CHU de Québec, Université Laval, Québec City, QC G1V 4G2, Canada; (R.B.B.K.); (G.K.); (J.P.)
- Département de Microbiologie-Infectiologie et d’immunologie, Faculté de Médecine, Université Laval, Québec City, QC G1V 0A6, Canada
- UMR INSERM 1260, Centre de Recherche en Biomédecine de Strasbourg, Université de Strasbourg, 67084 Strasbourg, France
| | - Julie Pelletier
- Centre de Recherche du CHU de Québec, Université Laval, Québec City, QC G1V 4G2, Canada; (R.B.B.K.); (G.K.); (J.P.)
| | - Bernard Robaye
- Institut de Recherche Interdisciplinaire en Biologie Humaine et Moléculaire, Université Libre de Bruxelles, 10 rue Adrienne Bolland, 6041 Gosselies, Belgium;
| | - Jean Sévigny
- Centre de Recherche du CHU de Québec, Université Laval, Québec City, QC G1V 4G2, Canada; (R.B.B.K.); (G.K.); (J.P.)
- Département de Microbiologie-Infectiologie et d’immunologie, Faculté de Médecine, Université Laval, Québec City, QC G1V 0A6, Canada
- Correspondence: ; Tel.: +1-418-525-4444 (ext. 46319); Fax: +1-418-654-2765
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Abstract
Bipolar disorders are severe and have a high prevalence; despite this, the neurobiological mechanisms are far from being elucidated, and this limits the development of new treatments. Although the aetiology of bipolar disorders is not yet fully understood, it is accepted that the disorder(s) may result from the interaction between genetic factors that cause susceptibility and predisposing, precipitating and perpetuating environmental factors, such as stress and traumatic events. A pathophysiological formulation of the disease suggests that dysfunctions in intracellular biochemical cascades, oxidative stress and mitochondrial dysfunction impair the processes linked to neuronal plasticity, leading to cell damage and the consequent loss of brain tissue that has been identified in post-mortem and neuroimaging studies. The data we have reviewed suggests that peripheral biomarkers related to hormones, inflammation, oxidative stress and neurotrophins are altered in bipolar disorders, especially during acute mood episodes. Together, these changes have been associated with a systemic toxicity of the disease and the damage resulting from multiple episodes. Systemic toxicity related to recurrent episodes in bipolar disorder may influence brain anatomical changes associated with the progression of stress and neuroplasticity in bipolar disorder and the response to treatment.
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Affiliation(s)
- Allan H Young
- Centre for Affective Disorders, Department of Psychological Medicine, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK
| | - Mario F Juruena
- Centre for Affective Disorders, Department of Psychological Medicine, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK.
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129
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Gubert C, Andrejew R, Figueiro F, Bergamin L, Kapczinski F, Magalhães PVDS, Battastini AMO. Lithium-induced neuroprotective activity in neuronal and microglial cells: A purinergic perspective. Psychiatry Res 2021; 295:113562. [PMID: 33213934 DOI: 10.1016/j.psychres.2020.113562] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Accepted: 11/04/2020] [Indexed: 12/20/2022]
Abstract
Lithium is the mainstay of pharmacotherapy for treating bipolar disorder (BD). However, despite its wide use for over 60 years in the clinic, its mechanisms of action are not yet well defined. Elucidating lithium's mechanism of action will not only shed light on the pathophysiology of BD, but also potentially uncover new treatment targets. Previous studies suggest that the purinergic system may be involved in lithium's neuroprotective action; thus, the specific aim of this study is to better understand the neuroprotective action of lithium against ATP-induced cellular effect in both neuronal and microglial cellular lineages. We used PC12 neuronal and N9 microglial cells, evaluating cell death by cell counting and Annexin/PI cytometry assay, P2 × 7R immunocontent and ectonucleotidases activity, together with cytokine and nitrite assessment for microglial activity determination. Our results indicate that cells of different neural origins are responsive to ATP, in the sense of neuronal excitotoxicity and microglial switch into an activated M1-like phenotype respectively. Lithium, in turn, modulates the response in neuronal PC12 cells, preventing ATP-induced cell death. On the other hand, in N9 microglial cells, lithium was unable to prevent ATP-induced activation via P2 × 7R, indicating that lithium protective action against the effects of ATP more likely occurs in neurons rather than in microglia. Further studies are needed to better characterize the involvement of the purinergic system in the mechanism of action of lithium against neuronal death and microglial activation, in order to uncover new therapeutic adjunctive targets, such as antagonism of P2 × 7R, as potential approach for bipolar disorder treatment.
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Affiliation(s)
- Carolina Gubert
- Programa de Pós-Graduação em Ciências Biológicas: Bioquímica, Departamento de Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, 90035-003 Porto Alegre, RS, Brazil.
| | - Roberta Andrejew
- Programa de Pós-Graduação em Ciências Biológicas: Bioquímica, Departamento de Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, 90035-003 Porto Alegre, RS, Brazil
| | - Fabricio Figueiro
- Programa de Pós-Graduação em Ciências Biológicas: Bioquímica, Departamento de Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, 90035-003 Porto Alegre, RS, Brazil
| | - Letícia Bergamin
- Programa de Pós-Graduação em Ciências Biológicas: Bioquímica, Departamento de Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, 90035-003 Porto Alegre, RS, Brazil
| | - Flávio Kapczinski
- Department of Psychiatry and Behavioral Sciences, MacMaster University, Hamilton, Canada
| | - Pedro Vieira da Silva Magalhães
- Universidade Federal do Rio Grande do Sul, Hospital de Clínicas de Porto Alegre, Centro de Pesquisa Experimental, Graduate Program in Psychiatry and Behavioral Sciences, Brazil
| | - Ana Maria Oliveira Battastini
- Programa de Pós-Graduação em Ciências Biológicas: Bioquímica, Departamento de Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, 90035-003 Porto Alegre, RS, Brazil
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130
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Dholia N, Sethi GS, Naura AS, Yadav UCS. Cysteinyl leukotriene D 4 (LTD 4) promotes airway epithelial cell inflammation and remodelling. Inflamm Res 2021; 70:109-126. [PMID: 33136175 DOI: 10.1007/s00011-020-01416-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2020] [Revised: 08/04/2020] [Accepted: 10/20/2020] [Indexed: 12/20/2022] Open
Abstract
OBJECTIVE Cysteinyl leukotrienes (CysLTs), a group of inflammatory lipid mediators, are found elevated in obese-asthmatic patients. Leukotriene D4 (LTD4), a representative CysLT, is implicated in promoting lung inflammation and remodelling in allergic asthma, but its role in non-allergic asthma, especially in obese-asthmatic patients, is not known. Here, using primary human small airway epithelial cells (SAECs) we have investigated the mechanism of LTD4-induced inflammation and remodelling and assessed high proneness of obese mice to develop asthma upon challenge with allergen ovalbumin (OVA). METHODS Primary human small airway epithelial cells (SAECs) were stimulated with different concentrations of LTD4 for different time intervals and various inflammatory markers were measured through cytokine array, membrane-based ELISA and Western blotting. An air-liquid interface (ALI) model of SAECs was used to study the effects of LTD4-induced remodelling in SAECs using Western blotting, H&E staining and PAS staining. Further, OVA-based murine model was used to examine the propensity of high-fat diet (HFD)-fed obese mice to develop asthma symptoms by studying the infiltration of inflammatory cells (assessed by bronchioalveolar lavage (BAL) cytology) and airway remodelling (assessed by histopathology) upon allergen exposure. RESULTS The human primary small airway epithelial cells (SAECs) treated with LTD4 showed significant alterations in the levels of inflammatory markers such as GM-CSF, TNF-α, IL-1β, EGF and eotaxin in dose- and time-dependent manner. Further, LTD4 enhanced the activation of inflammasomes as evidenced by increased levels of NALP3, cleaved caspase-1 and IL-1β. LTD4 also enhanced inflammation by increasing the expression of COX-2 in SAECs. The airway remodelling markers Vimentin and Muc5AC were found elevated in ALI culture of SAECs when stimulated with LTD4, as it also increased TGF-β levels and activation of Smad2/3 phosphorylation in SAECs. Last, sensitization and challenge of HFD-fed obese mice with OVA showed increased infiltration of inflammatory cells in BAL and enhanced levels of remodeling phenotypes like loss of cilia, mucus cell metaplasia and collagen deposition in mice lung tissues. CONCLUSION The results suggest that LTD4 could induce inflammatory response in human airway epithelial cell by activating NALP3 inflammasome. LTD4 could further promote airway epithelial cells' remodelling through TGF-β/smad2/3-mediated pathway. Our in vivo results suggested that obesity predisposed the OVA challenged mice to develop lung inflammation and remodelling akin to asthma-like phenotypes during obesity.
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Affiliation(s)
- Neeraj Dholia
- School of Life Sciences, Central University of Gujarat, Sector 30, Gandhinagar, Gujarat, 382030, India
| | - Gurupreet S Sethi
- Center for Autoimmunity and Inflammation, La Jolla Institute for Immunology, 9420 Athena Circle, La Jolla, CA, 92037, USA
| | - Amarjit S Naura
- Department of Biochemistry, Panjab University, Chandigarh, 160014, India
| | - Umesh C S Yadav
- Special Centre for Molecular Medicine (SCMM), Jawaharlal Nehru University (JNU), 3C (First Floor), SCMM, JNU, New Delhi, 110067, India.
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131
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Yegutkin GG. Adenosine metabolism in the vascular system. Biochem Pharmacol 2020; 187:114373. [PMID: 33340515 DOI: 10.1016/j.bcp.2020.114373] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2020] [Revised: 12/11/2020] [Accepted: 12/14/2020] [Indexed: 12/20/2022]
Abstract
The concept of extracellular purinergic signaling was first proposed by Geoffrey Burnstock in the early 1970s. Since then, extracellular ATP and its metabolites ADP and adenosine have attracted an enormous amount of attention in terms of their involvement in a wide range of immunomodulatory, thromboregulatory, angiogenic, vasoactive and other pathophysiological activities in different organs and tissues, including the vascular system. In addition to significant progress in understanding the properties of nucleotide- and adenosine-selective receptors, recent studies have begun to uncover the complexity of regulatory mechanisms governing the duration and magnitude of the purinergic signaling cascade. This knowledge has led to the development of new paradigms in understanding the entire purinome by taking into account the multitude of signaling and metabolic pathways involved in biological effects of ATP and adenosine and compartmentalization of the adenosine system. Along with the "canonical route" of ATP breakdown to adenosine via sequential ecto-nucleoside triphosphate diphosphohydrolase-1 (NTPDase1/CD39) and ecto-5'-nucleotidase/CD73 activities, it has now become clear that purine metabolism is the result of concerted effort between ATP release, its metabolism through redundant nucleotide-inactivating and counteracting ATP-regenerating ectoenzymatic pathways, as well as cellular nucleoside uptake and phosphorylation of adenosine to ATP through complex phosphotransfer reactions. In this review I provide an overview of key enzymes involved in adenosine metabolic network, with special emphasis on the emerging roles of purine-converting ectoenzymes as novel targets for cancer and vascular therapies.
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Osakunor DNM, Mduluza T, Osei-Hyiaman D, Burgess K, Woolhouse MEJ, Mutapi F. Schistosoma haematobium infection is associated with alterations in energy and purine-related metabolism in preschool-aged children. PLoS Negl Trop Dis 2020; 14:e0008866. [PMID: 33315875 PMCID: PMC7735607 DOI: 10.1371/journal.pntd.0008866] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Accepted: 10/08/2020] [Indexed: 12/17/2022] Open
Abstract
Helminths are parasitic worms that infect over a billion people worldwide. The pathological consequences from infection are due in part, to parasite-induced changes in host metabolic pathways. Here, we analyse the changes in host metabolic profiles, in response to the first Schistosoma haematobium infection and treatment in Zimbabwean children. A cohort of 83 schistosome-negative children (2-5 years old) as determined by parasitological examination, guardian interviews and examination of medical records, was recruited at baseline. Children were followed up after three months for parasitological diagnosis of their first S. haematobium infection, by detection of parasite eggs excreted in urine. Children positive for infection were treated with the antihelminthic drug praziquantel, and treatment efficacy checked three months after treatment. Blood samples were taken at each time point, and capillary electrophoresis mass spectrometry in conjunction with multivariate analysis were used to compare the change in serum metabolite profiles in schistosome-infected versus uninfected children. Following baseline at the three-month follow up, 11 children had become infected with S. haematobium (incidence = 13.3%). Our results showed that infection with S. haematobium was associated with significant increases (>2-fold) in discriminatory metabolites, linked primarily with energy (G6P, 3-PG, AMP, ADP) and purine (AMP, ADP) metabolism. These observed changes were commensurate with schistosome infection intensity, and levels of the affected metabolites were reduced following treatment, albeit not significantly. This study demonstrates that early infection with S. haematobium is associated with alterations in host energy and purine metabolism. Taken together, these changes are consistent with parasite-related clinical manifestations of malnutrition, poor growth and poor physical and cognitive performance observed in schistosome-infected children.
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Affiliation(s)
- Derick N. M. Osakunor
- Institute of Immunology & Infection Research, University of Edinburgh, Ashworth Laboratories, King’s Buildings, Edinburgh, United Kingdom
- * E-mail:
| | - Takafira Mduluza
- Biochemistry Department, University of Zimbabwe, Mount Pleasant, Harare, Zimbabwe
| | - Douglas Osei-Hyiaman
- Laboratory of Physiologic Studies, National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Bethesda, Maryland, United States of America
- Metabolomics Research Division, Human Metabolome Technologies Inc., Tsuruoka, Yamagata, Japan
- Department of Systems Neurophysiology, Graduate School of Medical & Dental Science, Tokyo Medical and Dental University, Bunkyo City, Tokyo, Japan
| | - Karl Burgess
- Centre for Synthetic and Systems Biology, University of Edinburgh, CH Waddington Building, King’s Buildings, Edinburgh, United Kingdom
| | - Mark E. J. Woolhouse
- Usher Institute, University of Edinburgh, Ashworth Laboratories, King’s Buildings, Edinburgh, United Kingdom
- NIHR Global Health Research Unit Tackling Infections to Benefit Africa (TIBA), University of Edinburgh, Ashworth Laboratories, King’s Buildings, Edinburgh, United Kingdom
| | - Francisca Mutapi
- Institute of Immunology & Infection Research, University of Edinburgh, Ashworth Laboratories, King’s Buildings, Edinburgh, United Kingdom
- NIHR Global Health Research Unit Tackling Infections to Benefit Africa (TIBA), University of Edinburgh, Ashworth Laboratories, King’s Buildings, Edinburgh, United Kingdom
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133
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Shields DC, Haque A, Banik NL. Neuroinflammatory responses of microglia in central nervous system trauma. J Cereb Blood Flow Metab 2020; 40:S25-S33. [PMID: 33086921 PMCID: PMC7687037 DOI: 10.1177/0271678x20965786] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Although relatively few in number compared to astrocytes and neurons, microglia demonstrate multiple, varied neuroimmunological functions in the central nervous system during normal and pathological states. After injury to the brain or spinal cord, microglia express beneficial pro- and anti-inflammatory phenotypes at various stages of recovery. However, prolonged microglial activation following injury has been linked to impaired parenchymal healing and functional restoration. The nature and magnitude of microglial response to injury relates in part to peripheral immune cell invasion, extent of tissue damage, and the local microenvironment.
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Affiliation(s)
- Donald C Shields
- Department of Neurosurgery, Medical University of South Carolina, Charleston, SC, USA
| | - Azizul Haque
- Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC, USA
| | - Naren L Banik
- Department of Neurosurgery, Medical University of South Carolina, Charleston, SC, USA.,Department of Microbiology and Immunology, Medical University of South Carolina, Charleston, SC, USA
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134
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Jeschik N, Schneider T, Meier C. Photocaged and Mixed Photocaged Bioreversible‐Protected ATP Derivatives as Tools for the Controlled Release of ATP. European J Org Chem 2020. [DOI: 10.1002/ejoc.202001229] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Nils Jeschik
- Organic Chemistry Department of Chemistry University of Hamburg Martin‐Luther‐Platz 6 20146 Hamburg Germany
| | - Tobias Schneider
- Organic Chemistry Department of Chemistry University of Hamburg Martin‐Luther‐Platz 6 20146 Hamburg Germany
| | - Chris Meier
- Organic Chemistry Department of Chemistry University of Hamburg Martin‐Luther‐Platz 6 20146 Hamburg Germany
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135
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Guillén-Gómez E, Silva I, Serra N, Caballero F, Leal J, Breda A, San Martín R, Pastor-Anglada M, Ballarín JA, Guirado L, Díaz-Encarnación MM. From Inflammation to the Onset of Fibrosis through A 2A Receptors in Kidneys from Deceased Donors. Int J Mol Sci 2020; 21:ijms21228826. [PMID: 33233484 PMCID: PMC7700266 DOI: 10.3390/ijms21228826] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2020] [Revised: 11/16/2020] [Accepted: 11/20/2020] [Indexed: 12/20/2022] Open
Abstract
Pretransplant graft inflammation could be involved in the worse prognosis of deceased donor (DD) kidney transplants. A2A adenosine receptor (A2AR) can stimulate anti-inflammatory M2 macrophages, leading to fibrosis if injury and inflammation persist. Pre-implantation biopsies of kidney donors (47 DD and 21 living donors (LD)) were used to analyze expression levels and activated intracellular pathways related to inflammatory and pro-fibrotic processes. A2AR expression and PKA pathway were enhanced in DD kidneys. A2AR gene expression correlated with TGF-β1 and other profibrotic markers, as well as CD163, C/EBPβ, and Col1A1, which are highly expressed in DD kidneys. TNF-α mRNA levels correlated with profibrotic and anti-inflammatory factors such as TGF-β1 and A2AR. Experiments with THP-1 cells point to the involvement of the TNF-α/NF-κB pathway in the up-regulation of A2AR, which induces the M2 phenotype increasing CD163 and TGF-β1 expression. In DD kidneys, the TNF-α/NF-κB pathway could be involved in the increase of A2AR expression, which would activate the PKA–CREB axis, inducing the macrophage M2 phenotype, TGF-β1 production, and ultimately, fibrosis. Thus, in inflamed DD kidneys, an increase in A2AR expression is associated with the onset of fibrosis, which may contribute to graft dysfunction and prognostic differences between DD and LD transplants.
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Affiliation(s)
- Elena Guillén-Gómez
- Molecular Biology Laboratory, Fundació Puigvert, 08025 Barcelona, Spain
- Nephrology Department, Fundació Puigvert, 08025 Barcelona, Spain; (I.S.); (N.S.); (J.A.B.); (L.G.)
- Institut Investigació Biosanitaria Sant Pau, Fundación Renal Iñigo Álvarez de Toledo (FRIAT), REDinREN, Autonomous University of Barcelona (UAB), 08025 Barcelona, Spain
- Correspondence: (E.G.-G.); (M.M.D.-E.)
| | - Irene Silva
- Nephrology Department, Fundació Puigvert, 08025 Barcelona, Spain; (I.S.); (N.S.); (J.A.B.); (L.G.)
- Institut Investigació Biosanitaria Sant Pau, Fundación Renal Iñigo Álvarez de Toledo (FRIAT), REDinREN, Autonomous University of Barcelona (UAB), 08025 Barcelona, Spain
- Renal Transplant Unit, Fundació Puigvert, 08025 Barcelona, Spain
| | - Núria Serra
- Nephrology Department, Fundació Puigvert, 08025 Barcelona, Spain; (I.S.); (N.S.); (J.A.B.); (L.G.)
- Institut Investigació Biosanitaria Sant Pau, Fundación Renal Iñigo Álvarez de Toledo (FRIAT), REDinREN, Autonomous University of Barcelona (UAB), 08025 Barcelona, Spain
- Renal Transplant Unit, Fundació Puigvert, 08025 Barcelona, Spain
| | - Francisco Caballero
- Department of Emergency Medicine and Transplant Coordination, Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, 08041 Barcelona, Spain; (F.C.); (J.L.)
| | - Jesús Leal
- Department of Emergency Medicine and Transplant Coordination, Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, 08041 Barcelona, Spain; (F.C.); (J.L.)
| | - Alberto Breda
- Urology Department, Autonomous University of Barcelona (UAB), Fundació Puigvert, 08025 Barcelona, Spain;
| | - Rody San Martín
- Molecular Pathology Laboratory, Institute of Biochemistry and Microbiology, Faculty of Sciences, Universidad Austral de Chile, 5110566 Valdivia, Chile;
| | - Marçal Pastor-Anglada
- Department of Biochemistry and Molecular Biomedicine, Institute of Biomedicine (IBUB), University of Barcelona, National Biomedical Research Institute of Liver and Gastrointestinal Diseases (CIBER EHD), 08028 Barcelona, Spain;
- Institut de Recerca Sant Joan de Déu (IR SJD), 08950 Esplugues de Llobregat Barcelona, Spain
| | - José A. Ballarín
- Nephrology Department, Fundació Puigvert, 08025 Barcelona, Spain; (I.S.); (N.S.); (J.A.B.); (L.G.)
- Institut Investigació Biosanitaria Sant Pau, Fundación Renal Iñigo Álvarez de Toledo (FRIAT), REDinREN, Autonomous University of Barcelona (UAB), 08025 Barcelona, Spain
| | - Lluís Guirado
- Nephrology Department, Fundació Puigvert, 08025 Barcelona, Spain; (I.S.); (N.S.); (J.A.B.); (L.G.)
- Renal Transplant Unit, Fundació Puigvert, 08025 Barcelona, Spain
| | - Montserrat M. Díaz-Encarnación
- Nephrology Department, Fundació Puigvert, 08025 Barcelona, Spain; (I.S.); (N.S.); (J.A.B.); (L.G.)
- Institut Investigació Biosanitaria Sant Pau, Fundación Renal Iñigo Álvarez de Toledo (FRIAT), REDinREN, Autonomous University of Barcelona (UAB), 08025 Barcelona, Spain
- Correspondence: (E.G.-G.); (M.M.D.-E.)
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136
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Signal Transduction Pathways Activated by Innate Immunity in Mast Cells: Translating Sensing of Changes into Specific Responses. Cells 2020; 9:cells9112411. [PMID: 33158024 PMCID: PMC7693401 DOI: 10.3390/cells9112411] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Revised: 10/21/2020] [Accepted: 10/28/2020] [Indexed: 12/17/2022] Open
Abstract
Mast cells (MCs) constitute an essential cell lineage that participates in innate and adaptive immune responses and whose phenotype and function are influenced by tissue-specific conditions. Their mechanisms of activation in type I hypersensitivity reactions have been the subject of multiple studies, but the signaling pathways behind their activation by innate immunity stimuli are not so well described. Here, we review the recent evidence regarding the main molecular elements and signaling pathways connecting the innate immune receptors and hypoxic microenvironment to cytokine synthesis and the secretion of soluble or exosome-contained mediators in this cell type. When known, the positive and negative control mechanisms of those pathways are presented, together with their possible implications for the understanding of mast cell-driven chronic inflammation. Finally, we discuss the relevance of the knowledge about signaling in this cell type in the recognition of MCs as central elements on innate immunity, whose remarkable plasticity converts them in sensors of micro-environmental discontinuities and controllers of tissue homeostasis.
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137
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Hu Y, Kong D, Qin Y, Yu D, Jin W, Li X, Zhao Y, Wang H, Li G, Hao J, Zhang B, Pang Z, Wang H. CD73 expression is critical to therapeutic effects of human endometrial regenerative cells in inhibition of cardiac allograft rejection in mice. Stem Cells Transl Med 2020; 10:465-478. [PMID: 33124777 PMCID: PMC7900594 DOI: 10.1002/sctm.20-0154] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2020] [Revised: 08/23/2020] [Accepted: 10/05/2020] [Indexed: 12/20/2022] Open
Abstract
The newly found mesenchymal‐like endometrial regenerative cells (ERCs) have been proved to induce immune tolerance in cardiac allograft transplantation. However, the therapeutic mechanism is not clear. The present study was undertaken to investigate whether ecto‐5′‐nucleotidase (CD73) expression on ERCs is critical to cardiac allograft protection. C57BL/6 mouse recipients receiving BALB/c mouse cardiac allografts were treated with unmodified ERCs or anti‐CD73 monoclonal antibodies (mAb) pretreated ERCs, respectively. It has been found that CD73 expression was critical to ERC‐induced attenuation of graft pathology. The blockage of CD73 expression on ERCs was related to the percentage decline of tolerogenic dendritic cells (Tol‐DCs), macrophages type 2 (M2), and regulatory T cells (Tregs). As compared with anti‐CD73 mAb pretreated ERCs group, CD73 expressing ERCs significantly increased the level of anti‐inflammatory cytokine IL‐10 but decreased levels of pro‐inflammatory cytokines including IFN‐γ and TNF‐α. In addition, CD73 expressing ERCs showed tissue protective function via the regulation of adenosine receptor expression which was related to the infiltration of CD4+ and CD8+ cells in the allografts. Furthermore, significant increase of A2B receptors in the cardiac allograft was also associated with CD73 expressing ERC‐induced prolongation of cardiac allograft survival.
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Affiliation(s)
- Yonghao Hu
- Department of General Surgery, Tianjin Medical University General Hospital, Tianjin, People's Republic of China.,Tianjin General Surgery Institute, Tianjin, People's Republic of China
| | - Dejun Kong
- Department of General Surgery, Tianjin Medical University General Hospital, Tianjin, People's Republic of China.,Tianjin General Surgery Institute, Tianjin, People's Republic of China
| | - Yafei Qin
- Department of General Surgery, Tianjin Medical University General Hospital, Tianjin, People's Republic of China.,Tianjin General Surgery Institute, Tianjin, People's Republic of China
| | - Dingding Yu
- Department of General Surgery, Tianjin Medical University General Hospital, Tianjin, People's Republic of China.,Tianjin General Surgery Institute, Tianjin, People's Republic of China
| | - Wang Jin
- Department of General Surgery, Tianjin Medical University General Hospital, Tianjin, People's Republic of China.,Tianjin General Surgery Institute, Tianjin, People's Republic of China
| | - Xiang Li
- Department of General Surgery, Tianjin Medical University General Hospital, Tianjin, People's Republic of China.,Tianjin General Surgery Institute, Tianjin, People's Republic of China
| | - Yiming Zhao
- Department of General Surgery, Tianjin Medical University General Hospital, Tianjin, People's Republic of China.,Tianjin General Surgery Institute, Tianjin, People's Republic of China
| | - Hongda Wang
- Department of General Surgery, Tianjin Medical University General Hospital, Tianjin, People's Republic of China.,Tianjin General Surgery Institute, Tianjin, People's Republic of China
| | - Guangming Li
- Department of General Surgery, Tianjin Medical University General Hospital, Tianjin, People's Republic of China.,Tianjin General Surgery Institute, Tianjin, People's Republic of China
| | - Jingpeng Hao
- Tianjin General Surgery Institute, Tianjin, People's Republic of China.,Department of Anorectal Surgery, The Second Hospital of Tianjin Medical University, Tianjin, People's Republic of China
| | - Baoren Zhang
- Department of General Surgery, Tianjin Medical University General Hospital, Tianjin, People's Republic of China.,Tianjin General Surgery Institute, Tianjin, People's Republic of China
| | - Zhaoyan Pang
- Department of Nursing, China-Japan Friendship Hospital, Beijing, People's Republic of China
| | - Hao Wang
- Department of General Surgery, Tianjin Medical University General Hospital, Tianjin, People's Republic of China.,Tianjin General Surgery Institute, Tianjin, People's Republic of China
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138
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LC-MS/MS Determination of Modified Nucleosides in The Urine of Parkinson's Disease and Parkinsonian Syndromes Patients. Molecules 2020; 25:molecules25214959. [PMID: 33120888 PMCID: PMC7663364 DOI: 10.3390/molecules25214959] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2020] [Revised: 10/23/2020] [Accepted: 10/26/2020] [Indexed: 12/20/2022] Open
Abstract
Epigenetic modifications play a key role in gene regulation and expression and are involved in numerous cellular processes. Due to the limited research on nucleosides in Parkinson's disease (PD), it is very important to consider epigenetic factors and their role in the development of PD. The aim of this study was to investigate and compare the levels of modified nucleosides, such as O-methylguanosine, N6-methyl-2'-deoxyadenosine, 1-methyladenosine, 1-methylguanine, 7-methylguanine, 3-methyladenine and 7-methylguanosine in the urine of Parkinson's disease (PD) patients and the control group, and to verify that the results obtained differ in a subgroup of patients with parkinsonian syndromes. The study group comprised 18 patients with diagnosed idiopathic Parkinson's disease and four parkinsonian syndromes. The control group consisted of 30 age- and sex-matched neurological patients without confirmation by neuroimaging brain damage and extrapyramidal symptoms. The levels of nucleosides were determined by validated liquid chromatography coupled with the mass spectrometry (LC-MS/MS) method using the multiple reaction monitoring (MRM) mode. Lower levels of O-methylguanosine, 3-methyladenine, 1-methylguanine, N6-methyl-2'-deoxyadenosine and a higher level of 7-methylguanine in the urine of 22 PD patients were observed. Moreover, elevated levels of 1-methyladenosine, 7-methylguanine, and O-methylguanosine were observed in the parkinsonian syndrome subgroup. These preliminary results may indicate that modified nucleosides describe metabolic disturbances in the metabolism of purine, which was the most severely affected pathway that mediated the detrimental effects of neuroinflammation on PD.
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139
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Scholl JN, Dias CK, Muller L, Battastini AMO, Figueiró F. Extracellular vesicles in cancer progression: are they part of the problem or part of the solution? Nanomedicine (Lond) 2020; 15:2625-2641. [PMID: 33094653 DOI: 10.2217/nnm-2020-0256] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Extracellular vesicles (EVs) are released especially by cancer cells. They modulate the tumor microenvironment by interacting with immune cells while carrying immunosuppressive or immunostimulatory molecules. In this review, we will explore some conflicting reports regarding the immunological outcomes of EVs in cancer progression, in which they might initiate an antitumor immune response or an immunosuppressive response. Concerning immunosuppression, the role of tumor-derived EVs' in the adenosinergic system is underexplored. The enhancement of adenosine (ADO) levels in the tumor microenvironment impairs T-cell function and cytokine release. However, some tumor-derived EVs may deliver immunostimulatory factors, promoting immunogenic activity, even with ADO production. The modulatory role of ADO over the tumor progression represents a piece in an intricate microenvironment with anti and pro tumoral seesaw-like mechanisms.
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Affiliation(s)
- Juliete Nathali Scholl
- Programa de Pós-Graduação em Ciências Biológicas: Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, 90035-003, Brazil
| | - Camila Kehl Dias
- Programa de Pós-Graduação em Ciências Biológicas: Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, 90035-003, Brazil
| | - Laurent Muller
- Department of Otolaryngology, Head & Neck Surgery, University of Basel, Basel, 4031, Switzerland
| | - Ana Maria Oliveira Battastini
- Programa de Pós-Graduação em Ciências Biológicas: Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, 90035-003, Brazil
| | - Fabrício Figueiró
- Programa de Pós-Graduação em Ciências Biológicas: Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, 90035-003, Brazil.,Departamento de Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, 90035-003, Brazil
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140
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Di Virgilio F, Jacobson KA, Williams M. Geoffrey Burnstock - An accidental pharmacologist. Biochem Pharmacol 2020; 187:114300. [PMID: 33203518 DOI: 10.1016/j.bcp.2020.114300] [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: 10/05/2020] [Revised: 10/20/2020] [Accepted: 10/21/2020] [Indexed: 11/29/2022]
Abstract
Geoffrey Burnstock, the founder of the field of purinergic signaling research passed away in Melbourne, Australia on June 3rd, 2020, at the age of 91. With his death, the world of biomedical research lost one of its most passionate, creative and unconventional thought leaders. He was an inspiration to the many researchers he interacted with for more than 50 years and a frequent irritation to those in the administrative establishment. Geoff never considered himself a pharmacologist having being trained as a zoologist and becoming an autonomic neurophysiologist based on his evolving interests in systems and disease-related research. By the end of his life he had: published some 1550 papers; been cited more than 125,000 times; had an h-index of 156 and had supervised over 100 Ph.D. students. His indelible legacy, based on a holistic, data-based, multidisciplinary, unconventional "outside the box" approach to research was reflected in two of the seminal findings in late 20th century biomedical research: the purinergic neurotransmitter hypothesis and the concept of co-neurotransmission, both of which were initially received by his peers with considerable skepticism that at times verged on disdain. Nonetheless, while raising hackles and threatening the status quo, Geoff persevered and prevailed, becoming a mentor for several generations of biomedical researchers. In this review we provide a joint perspective on Geoff Burnstock's legacy in research.
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Affiliation(s)
| | - Kenneth A Jacobson
- Laboratory of Bioorganic Chemistry, National Institute of Diabetes and Digestive and Kidney Disease, National Institutes of Health, Bethesda, MD, United States
| | - Michael Williams
- Department of Biological Chemistry and Pharmacology, College of Medicine, Ohio State University, Columbus, OH, United States.
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141
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Adenosine and ATPγS protect against bacterial pneumonia-induced acute lung injury. Sci Rep 2020; 10:18078. [PMID: 33093565 PMCID: PMC7581771 DOI: 10.1038/s41598-020-75224-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2019] [Accepted: 10/08/2020] [Indexed: 12/20/2022] Open
Abstract
Lipopolysaccharide (LPS), a component of the outer membrane of gram-negative bacteria, disrupts the alveolar-capillary barrier, triggering pulmonary vascular leak thus inducing acute lung injury (ALI). Extracellular purines, adenosine and ATP, protected against ALI induced by purified LPS. In this study, we investigated whether these purines can impact vascular injury in more clinically-relevant E.coli (non-sterile LPS) murine ALI model. Mice were inoculated with live E. coli intratracheally (i.t.) with or without adenosine or a non-hydrolyzable ATP analog, adenosine 5'-(γ-thio)-triphosphate (ATPγS) added intravenously (i.v.). After 24 h of E. coli treatment, we found that injections of either adenosine or ATPγS 15 min prior or adenosine 3 h after E.coli insult significantly attenuated the E.coli-mediated increase in inflammatory responses. Furthermore, adenosine prevented weight loss, tachycardia, and compromised lung function in E. coli-exposed mice. Accordingly, treatment with adenosine or ATPγS increased oxygen saturation and reduced histopathological signs of lung injury in mice exposed to E. coli. Lastly, lung-targeting gene delivery of adenosine or ATPγS downstream effector, myosin phosphatase, significantly attenuated the E. coli-induced compromise of lung function. Collectively, our study has demonstrated that adenosine or ATPγS mitigates E. coli-induced ALI in mice and may be useful as an adjuvant therapy in future pre-clinical studies.
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142
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Zhao YT, Chen XX, Jiang WL, Li Y, Fei J, Li CY. Near-Infrared Fluorescence MOF Nanoprobe for Adenosine Triphosphate-Guided Imaging in Colitis. ACS APPLIED MATERIALS & INTERFACES 2020; 12:47840-47847. [PMID: 32981314 DOI: 10.1021/acsami.0c13003] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Adenosine triphosphate (ATP) is mainly produced in mitochondria and plays an important role in lots of pathological processes such as colitis. Unfortunately, to date, few suitable fluorescence probes have been developed for monitoring the ATP level in colitis. Herein, a fluorescence nanoprobe named NIR@ZIF-90 is proposed and prepared by encapsulating a rhodamine-based near-infrared (NIR) dye into zeolitic imidazolate frameworks (ZIF-90). The nanoprobe is nonfluorescent because the emission of NIR is suppressed by the encapsulation, while in the presence of ATP, the framework of ZIF-90 is dissembled to release NIR and thus NIR fluorescence at 750 nm is observed. The nanoprobe shows high sensitivity to ATP with a 72-fold increase and excellent selectivity to ATP over other nucleotides. Moreover, with low cytotoxicity and good mitochondria-targeted ability, NIR@ZIF-90 is used to image ATP in colorectal cancer cells (HCT116). In addition, due to the NIR emission, the nanoprobe is further employed to successfully monitor the ATP level in a colitis mouse model. To the best of our knowledge, the nanoprobe is the first example to study colitis in vivo with the guidance of ATP, which will provide an efficient tool for understanding colitis.
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Affiliation(s)
- Yi-Ting Zhao
- Key Laboratory for Green Organic Synthesis and Application of Hunan Province, Key Laboratory of Environmentally Friendly Chemistry and Applications of Ministry of Education, College of Chemistry, Xiangtan University, Xiangtan 411105, P. R. China
| | - Xi-Xi Chen
- Key Laboratory for Green Organic Synthesis and Application of Hunan Province, Key Laboratory of Environmentally Friendly Chemistry and Applications of Ministry of Education, College of Chemistry, Xiangtan University, Xiangtan 411105, P. R. China
| | - Wen-Li Jiang
- Key Laboratory for Green Organic Synthesis and Application of Hunan Province, Key Laboratory of Environmentally Friendly Chemistry and Applications of Ministry of Education, College of Chemistry, Xiangtan University, Xiangtan 411105, P. R. China
| | - Yongfei Li
- Key Laboratory for Green Organic Synthesis and Application of Hunan Province, Key Laboratory of Environmentally Friendly Chemistry and Applications of Ministry of Education, College of Chemistry, Xiangtan University, Xiangtan 411105, P. R. China
- College of Chemical Engineering, Xiangtan University, Xiangtan 411105, P. R. China
| | - Junjie Fei
- Key Laboratory for Green Organic Synthesis and Application of Hunan Province, Key Laboratory of Environmentally Friendly Chemistry and Applications of Ministry of Education, College of Chemistry, Xiangtan University, Xiangtan 411105, P. R. China
| | - Chun-Yan Li
- Key Laboratory for Green Organic Synthesis and Application of Hunan Province, Key Laboratory of Environmentally Friendly Chemistry and Applications of Ministry of Education, College of Chemistry, Xiangtan University, Xiangtan 411105, P. R. China
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143
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Faroqi AH, Lim MJ, Kee EC, Lee JH, Burgess JD, Chen R, Di Virgilio F, Delenclos M, McLean PJ. In Vivo Detection of Extracellular Adenosine Triphosphate in a Mouse Model of Traumatic Brain Injury. J Neurotrauma 2020; 38:655-664. [PMID: 32935624 PMCID: PMC7898407 DOI: 10.1089/neu.2020.7226] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Traumatic brain injury (TBI) is traditionally characterized by primary and secondary injury phases, both contributing to pathological and morphological changes. The mechanisms of damage and chronic consequences of TBI remain to be fully elucidated, but synaptic homeostasis disturbances and impaired energy metabolism are proposed to be a major contributor. It has been proposed that an increase of extracellular (eATP) adenosine triphosphate (ATP) in the area immediately surrounding impact may play a pivotal role in this sequence of events. After tissue injury, rupture of cell membranes allows release of intracellular ATP into the extracellular space, triggering a cascade of toxic events and inflammation. ATP is a ubiquitous messenger; however, simple and reliable techniques to measure its concentration have proven elusive. Here, we integrate a sensitive bioluminescent eATP sensor known as pmeLUC, with a controlled cortical impact mouse model to monitor eATP changes in a living animal after injury. Using the pmeLUC probe, a rapid increase of eATP is observed proximal to the point of impact within minutes of the injury. This event is significantly attenuated when animals are pretreated with an ATP hydrolyzing agent (apyrase) before surgery, confirming the contribution of eATP. This new eATP reporter could be useful for understanding the role of eATP in the pathogenesis in TBI and may identify a window of opportunity for therapeutic intervention.
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Affiliation(s)
- Ayman H Faroqi
- Department of Neuroscience, Mayo Clinic Graduate School of Biomedical Sciences, Mayo Clinic College of Medicine, Mayo Clinic, Jacksonville, Florida, USA.,Neuroscience PhD Program, Mayo Clinic Graduate School of Biomedical Sciences, Mayo Clinic College of Medicine, Mayo Clinic, Jacksonville, Florida, USA
| | - Melina J Lim
- Department of Neuroscience, Mayo Clinic Graduate School of Biomedical Sciences, Mayo Clinic College of Medicine, Mayo Clinic, Jacksonville, Florida, USA
| | - Emma C Kee
- Department of Neuroscience, Mayo Clinic Graduate School of Biomedical Sciences, Mayo Clinic College of Medicine, Mayo Clinic, Jacksonville, Florida, USA
| | - Jannifer H Lee
- Department of Neuroscience, Mayo Clinic Graduate School of Biomedical Sciences, Mayo Clinic College of Medicine, Mayo Clinic, Jacksonville, Florida, USA.,Neuroscience PhD Program, Mayo Clinic Graduate School of Biomedical Sciences, Mayo Clinic College of Medicine, Mayo Clinic, Jacksonville, Florida, USA
| | - Jeremy D Burgess
- Department of Neuroscience, Mayo Clinic Graduate School of Biomedical Sciences, Mayo Clinic College of Medicine, Mayo Clinic, Jacksonville, Florida, USA.,Neuroscience PhD Program, Mayo Clinic Graduate School of Biomedical Sciences, Mayo Clinic College of Medicine, Mayo Clinic, Jacksonville, Florida, USA
| | - Ridong Chen
- APT Therapeutics, Inc., St. Louis, Missouri, USA
| | - Francesco Di Virgilio
- Department of Morphology Surgery and Experimental Medicine, University of Ferrara, Ferrara, Italy
| | - Marion Delenclos
- Department of Neuroscience, Mayo Clinic Graduate School of Biomedical Sciences, Mayo Clinic College of Medicine, Mayo Clinic, Jacksonville, Florida, USA
| | - Pamela J McLean
- Department of Neuroscience, Mayo Clinic Graduate School of Biomedical Sciences, Mayo Clinic College of Medicine, Mayo Clinic, Jacksonville, Florida, USA.,Neuroscience PhD Program, Mayo Clinic Graduate School of Biomedical Sciences, Mayo Clinic College of Medicine, Mayo Clinic, Jacksonville, Florida, USA
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144
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Role of DAMPs and of Leukocytes Infiltration in Ischemic Stroke: Insights from Animal Models and Translation to the Human Disease. Cell Mol Neurobiol 2020; 42:545-556. [DOI: 10.1007/s10571-020-00966-4] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Accepted: 09/22/2020] [Indexed: 02/08/2023]
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145
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Ledderose C, Junger WG. Mitochondria Synergize With P2 Receptors to Regulate Human T Cell Function. Front Immunol 2020; 11:549889. [PMID: 33133068 PMCID: PMC7550529 DOI: 10.3389/fimmu.2020.549889] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2020] [Accepted: 08/27/2020] [Indexed: 12/17/2022] Open
Abstract
Intracellular ATP is the universal energy carrier that fuels many cellular processes. However, immune cells can also release a portion of their ATP into the extracellular space. There, ATP activates purinergic receptors that mediate autocrine and paracrine signaling events needed for the initiation, modulation, and termination of cell functions. Mitochondria contribute to these processes by producing ATP that is released. Here, we summarize the synergistic interplay between mitochondria and purinergic signaling that regulates T cell functions. Specifically, we discuss how mitochondria interact with P2X1, P2X4, and P2Y11 receptors to regulate T cell metabolism, cell migration, and antigen recognition. These mitochondrial and purinergic signaling mechanisms are indispensable for host immune defense. However, they also represent an Achilles heel that can render the host susceptible to infections and inflammatory disorders. Hypoxia and mitochondrial dysfunction deflate the purinergic signaling mechanisms that regulate T cells, while inflammation and tissue damage generate excessive systemic ATP levels that distort autocrine purinergic signaling and impair T cell function. An improved understanding of the metabolic and purinergic signaling mechanisms that regulate T cells may lead to novel strategies for the diagnosis and treatment of infectious and inflammatory diseases.
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Affiliation(s)
- Carola Ledderose
- Department of Surgery, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, United States
| | - Wolfgang G Junger
- Department of Surgery, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, United States
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146
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Jacobo-Baca G, Salazar-Ybarra RA, Torres-de-la-Cruz V, Guzmán-López S, Elizondo-Omaña RE, Guzmán-López A, Vázquez-Barragán MÁ, Martínez-de-Villarreal LE. Proteomic profile of preeclampsia in the first trimester of pregnancy. J Matern Fetal Neonatal Med 2020; 35:3446-3452. [PMID: 32957816 DOI: 10.1080/14767058.2020.1820980] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
OBJECTIVE Preeclampsia (PE) is a leading cause of pregnancy-associated maternal and neonatal morbidity and mortality. Detection of patients at risk before the clinical onset of PE is a priority. Proteomics have become a valuable tool for the discovery of new biomarkers; however, the understanding of the underlying mechanism is necessary. The aim of the study was to determine differences between proteomic serum profiles of PE and normotensive pregnancies using quantitative and qualitative approaches. STUDY DESIGN Serum samples from pregnant women were taken at 10-12 weeks of gestation with follow-up to determine PE development. Samples were analyzed using nano 2-D liquid chromatography UPLC and qTOF-MS/MS. RESULTS A total of 136 women were recruited, of which eight (5.9%) developed PE, and eight normotensive were randomly selected as a control group for comparison. A different profile was obtained between groups. Nine proteins showed quantitative differences with fold-change over 1.5: PRRC2C (217.02), HEATR5A (179.46), ATP6 (162.38), PRRC2B (83.09), RBM25 (5.36), NUP205 (3.38), HLA-I (2.27), ZC3H13 (2.15), and SREK1 (1.66); and two under 0.66: Importin-4 (0.55) and Cytochrome b (0.26). Using bilateral Fisher's exact test for the qualitative approach, LRRK1 had statistical significance (p = .044), while PRRC2B (p = .121), PRRC2C (p = .134), and NUP205 (p = .134) showed a tendency to be present in PE. CONCLUSION The found proteins have plausibility with the early pathophysiological events that have been associated with this pathology. Further studies should be performed to confirm these findings and elucidate their specific roles.
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Affiliation(s)
- Guillermo Jacobo-Baca
- Department of Human Anatomy, School of Medicine, Universidad Autónoma de Nuevo León, Monterrey, Mexico
| | | | - Víctor Torres-de-la-Cruz
- Department of Genetics, School of Medicine, Universidad Autónoma de Nuevo León, Monterrey, Mexico
| | - Santos Guzmán-López
- Department of Human Anatomy, School of Medicine, Universidad Autónoma de Nuevo León, Monterrey, Mexico
| | | | - Abel Guzmán-López
- Department of Obstetrics and Gynecology, School of Medicine, Universidad Autónoma de Nuevo León, Monterrey, Mexico
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147
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Strassheim D, Verin A, Batori R, Nijmeh H, Burns N, Kovacs-Kasa A, Umapathy NS, Kotamarthi J, Gokhale YS, Karoor V, Stenmark KR, Gerasimovskaya E. P2Y Purinergic Receptors, Endothelial Dysfunction, and Cardiovascular Diseases. Int J Mol Sci 2020; 21:ijms21186855. [PMID: 32962005 PMCID: PMC7555413 DOI: 10.3390/ijms21186855] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Revised: 09/11/2020] [Accepted: 09/15/2020] [Indexed: 12/13/2022] Open
Abstract
Purinergic G-protein-coupled receptors are ancient and the most abundant group of G-protein-coupled receptors (GPCRs). The wide distribution of purinergic receptors in the cardiovascular system, together with the expression of multiple receptor subtypes in endothelial cells (ECs) and other vascular cells demonstrates the physiological importance of the purinergic signaling system in the regulation of the cardiovascular system. This review discusses the contribution of purinergic P2Y receptors to endothelial dysfunction (ED) in numerous cardiovascular diseases (CVDs). Endothelial dysfunction can be defined as a shift from a “calm” or non-activated state, characterized by low permeability, anti-thrombotic, and anti-inflammatory properties, to a “activated” state, characterized by vasoconstriction and increased permeability, pro-thrombotic, and pro-inflammatory properties. This state of ED is observed in many diseases, including atherosclerosis, diabetes, hypertension, metabolic syndrome, sepsis, and pulmonary hypertension. Herein, we review the recent advances in P2Y receptor physiology and emphasize some of their unique signaling features in pulmonary endothelial cells.
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Affiliation(s)
- Derek Strassheim
- The Department of Medicine Cardiovascular and Pulmonary Research Laboratory, University of Colorado Denver, Aurora, CO 80045, USA; (D.S.); (N.B.); (V.K.); (K.R.S.)
| | - Alexander Verin
- Vascular Biology Center, Augusta University, Augusta, GA 30912, USA; (A.V.); (R.B.); (A.K.-K.)
| | - Robert Batori
- Vascular Biology Center, Augusta University, Augusta, GA 30912, USA; (A.V.); (R.B.); (A.K.-K.)
| | - Hala Nijmeh
- The Department of Pediatrics, Division of Critical Care Medicine, University of Colorado Denver, Aurora, CO 80045, USA;
| | - Nana Burns
- The Department of Medicine Cardiovascular and Pulmonary Research Laboratory, University of Colorado Denver, Aurora, CO 80045, USA; (D.S.); (N.B.); (V.K.); (K.R.S.)
| | - Anita Kovacs-Kasa
- Vascular Biology Center, Augusta University, Augusta, GA 30912, USA; (A.V.); (R.B.); (A.K.-K.)
| | | | - Janavi Kotamarthi
- The Department of BioMedical Engineering, University of Wisconsin, Madison, WI 53706, USA; (J.K.); (Y.S.G.)
| | - Yash S. Gokhale
- The Department of BioMedical Engineering, University of Wisconsin, Madison, WI 53706, USA; (J.K.); (Y.S.G.)
| | - Vijaya Karoor
- The Department of Medicine Cardiovascular and Pulmonary Research Laboratory, University of Colorado Denver, Aurora, CO 80045, USA; (D.S.); (N.B.); (V.K.); (K.R.S.)
| | - Kurt R. Stenmark
- The Department of Medicine Cardiovascular and Pulmonary Research Laboratory, University of Colorado Denver, Aurora, CO 80045, USA; (D.S.); (N.B.); (V.K.); (K.R.S.)
- The Department of Pediatrics, Division of Critical Care Medicine, University of Colorado Denver, Aurora, CO 80045, USA;
| | - Evgenia Gerasimovskaya
- The Department of Medicine Cardiovascular and Pulmonary Research Laboratory, University of Colorado Denver, Aurora, CO 80045, USA; (D.S.); (N.B.); (V.K.); (K.R.S.)
- The Department of Pediatrics, Division of Critical Care Medicine, University of Colorado Denver, Aurora, CO 80045, USA;
- Correspondence: ; Tel.: +1-303-724-5614
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148
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eATP/P2X7R Axis: An Orchestrated Pathway Triggering Inflammasome Activation in Muscle Diseases. Int J Mol Sci 2020; 21:ijms21175963. [PMID: 32825102 PMCID: PMC7504480 DOI: 10.3390/ijms21175963] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Revised: 08/14/2020] [Accepted: 08/17/2020] [Indexed: 12/20/2022] Open
Abstract
In muscle ATP is primarily known for its function as an energy source and as a mediator of the "excitation-transcription" process, which guarantees muscle plasticity in response to environmental stimuli. When quickly released in massive concentrations in the extracellular space as in presence of muscle membrane damage, ATP acts as a damage-associated molecular pattern molecule (DAMP). In experimental murine models of muscular dystrophies characterized by membrane instability, blockade of eATP/P2X7 receptor (R) purinergic signaling delayed the progression of the dystrophic phenotype dampening the local inflammatory response and inducing Foxp3+ T Regulatory lymphocytes. These discoveries highlighted the relevance of ATP as a harbinger of immune-tissue damage in muscular genetic diseases. Given the interactions between the immune system and muscle regeneration, the comprehension of ATP/purinerigic pathway articulated organization in muscle cells has become of extreme interest. This review explores ATP release, metabolism, feedback control and cross-talk with members of muscle inflammasome in the context of muscular dystrophies.
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149
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Brisson L, Chadet S, Lopez-Charcas O, Jelassi B, Ternant D, Chamouton J, Lerondel S, Le Pape A, Couillin I, Gombault A, Trovero F, Chevalier S, Besson P, Jiang LH, Roger S. P2X7 Receptor Promotes Mouse Mammary Cancer Cell Invasiveness and Tumour Progression, and Is a Target for Anticancer Treatment. Cancers (Basel) 2020; 12:cancers12092342. [PMID: 32825056 PMCID: PMC7565976 DOI: 10.3390/cancers12092342] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Revised: 08/12/2020] [Accepted: 08/17/2020] [Indexed: 12/20/2022] Open
Abstract
The P2X7 receptor is an ATP-gated cation channel with a still ambiguous role in cancer progression, proposed to be either pro- or anti-cancerous, depending on the cancer or cell type in the tumour. Its role in mammary cancer progression is not yet defined. Here, we show that P2X7 receptor is functional in highly aggressive mammary cancer cells, and induces a change in cell morphology with fast F-actin reorganization and formation of filopodia, and promotes cancer cell invasiveness through both 2- and 3-dimensional extracellular matrices in vitro. Furthermore, P2X7 receptor sustains Cdc42 activity and the acquisition of a mesenchymal phenotype. In an immunocompetent mouse mammary cancer model, we reveal that the expression of P2X7 receptor in cancer cells, but not in the host mice, promotes tumour growth and metastasis development, which were reduced by treatment with specific P2X7 antagonists. Our results demonstrate that P2X7 receptor drives mammary tumour progression and represents a pertinent target for mammary cancer treatment.
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Affiliation(s)
- Lucie Brisson
- Inserm UMR1069-Nutrition, Growth and Cancer, University of Tours, 37032 Tours, France; (L.B.); (J.C.); (S.C.)
| | - Stéphanie Chadet
- EA4245-Transplantation, Immunology and Inflammation, University of Tours, 37032 Tours, France; (S.C.); (O.L.-C.); (B.J.); (D.T.); (P.B.); (L.-H.J.)
| | - Osbaldo Lopez-Charcas
- EA4245-Transplantation, Immunology and Inflammation, University of Tours, 37032 Tours, France; (S.C.); (O.L.-C.); (B.J.); (D.T.); (P.B.); (L.-H.J.)
| | - Bilel Jelassi
- EA4245-Transplantation, Immunology and Inflammation, University of Tours, 37032 Tours, France; (S.C.); (O.L.-C.); (B.J.); (D.T.); (P.B.); (L.-H.J.)
| | - David Ternant
- EA4245-Transplantation, Immunology and Inflammation, University of Tours, 37032 Tours, France; (S.C.); (O.L.-C.); (B.J.); (D.T.); (P.B.); (L.-H.J.)
| | - Julie Chamouton
- Inserm UMR1069-Nutrition, Growth and Cancer, University of Tours, 37032 Tours, France; (L.B.); (J.C.); (S.C.)
| | - Stéphanie Lerondel
- CNRS UPS44 TAAM, PHENOMIN, Centre d’Imagerie du Petit Animal, 45071 Orléans, France; (S.L.); (A.L.P.)
| | - Alain Le Pape
- CNRS UPS44 TAAM, PHENOMIN, Centre d’Imagerie du Petit Animal, 45071 Orléans, France; (S.L.); (A.L.P.)
| | - Isabelle Couillin
- Laboratory of Molecular and Experimental Immunology and Neurogenetics, UMR 7355, CNRS, University of Orléans, 45071 Orléans, France; (I.C.); (A.G.)
| | - Aurélie Gombault
- Laboratory of Molecular and Experimental Immunology and Neurogenetics, UMR 7355, CNRS, University of Orléans, 45071 Orléans, France; (I.C.); (A.G.)
| | | | - Stéphan Chevalier
- Inserm UMR1069-Nutrition, Growth and Cancer, University of Tours, 37032 Tours, France; (L.B.); (J.C.); (S.C.)
| | - Pierre Besson
- EA4245-Transplantation, Immunology and Inflammation, University of Tours, 37032 Tours, France; (S.C.); (O.L.-C.); (B.J.); (D.T.); (P.B.); (L.-H.J.)
| | - Lin-Hua Jiang
- EA4245-Transplantation, Immunology and Inflammation, University of Tours, 37032 Tours, France; (S.C.); (O.L.-C.); (B.J.); (D.T.); (P.B.); (L.-H.J.)
- School of Biomedical Sciences, Faculty of Biological Sciences, University of Leeds, Leeds LS2 9JT, UK
- Sino-UK Joint Laboratory of Brain Function and Injury and Department of Physiology and Pathophysiology, Xinxiang Medical University, Xinxiang 453003, China
| | - Sébastien Roger
- EA4245-Transplantation, Immunology and Inflammation, University of Tours, 37032 Tours, France; (S.C.); (O.L.-C.); (B.J.); (D.T.); (P.B.); (L.-H.J.)
- Institut Universitaire de France, 75005 Paris, France
- Correspondence: ; Tel.: +33-2-47-36-61-30
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150
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Abstract
PURPOSE Hyperlipidemia, characterized by an increase in circulating lipid levels, doubles the chance of developing cardiovascular diseases. It prompts inflammation, immune activation, and oxidative stress in the bloodstream and organs of rats. Thus, we theorized that the metabolism of purines, an immunomodulatory mechanism, is altered in cells involved in the development of cardiovascular diseases. METHODS Therefore, we induced acute hyperlipidemia in Wistar rats with Poloxamer-407 and euthanized the animals 36 h later. The leucocyte differential, the rate of purine metabolism on the surface of platelets and heart cells, and markers of oxidative stress in the heart tissue were evaluated. These parameters were also assessed in animals pretreated for 30 days with curcumin and/or rutin. RESULTS Hyperlipidemia increased the hydrolyses of adenosine triphosphate (ATP), adenosine diphosphate (ADP), and adenosine monophosphate (AMP) in platelets. In heart cells, the metabolism of ATP and adenosine (ADO) were increased, while ADP hydrolysis was reduced. Additionally, lipid damage and antioxidant defenses were increased in heart homogenates. Hyperlipidemic rats also exhibited a reduced percentage of eosinophils and lymphocytes. CONCLUSION Together, these findings are indicative of an increased risk of developing cardiovascular diseases in hyperlipidemic rats. The pretreatments with antioxidants reverted some of the changes prompted by hyperlipidemia preventing detrimental changes in the cells and tissues. Graphical Abstract.
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