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Ratajczak MZ, Bujko K, Brzezniakiewicz-Janus K, Ratajczak J, Kucia M. Hematopoiesis Revolves Around the Primordial Evolutional Rhythm of Purinergic Signaling and Innate Immunity - A Journey to the Developmental Roots. Stem Cell Rev Rep 2024; 20:827-838. [PMID: 38363476 PMCID: PMC10984895 DOI: 10.1007/s12015-024-10692-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/04/2024] [Indexed: 02/17/2024]
Abstract
A cell's most significant existential task is to survive by ensuring proper metabolism, avoiding harmful stimuli, and adapting to changing environments. It explains why early evolutionary primordial signals and pathways remained active and regulate cell and tissue integrity. This requires energy supply and a balanced redox state. To meet these requirements, the universal intracellular energy transporter purine nucleotide-adenosine triphosphate (ATP) became an important signaling molecule and precursor of purinergic signaling after being released into extracellular space. Similarly, ancient proteins involved in intracellular metabolism gave rise to the third protein component (C3) of the complement cascade (ComC), a soluble arm of innate immunity. These pathways induce cytosol reactive oxygen (ROS) and reactive nitrogen species (RNS) that regulate the redox state of the cells. While low levels of ROS and RNS promote cell growth and differentiation, supra-physiological concentrations can lead to cell damage by pyroptosis. This balance explains the impact of purinergic signaling and innate immunity on cell metabolism, organogenesis, and tissue development. Subsequently, along with evolution, new regulatory cues emerge in the form of growth factors, cytokines, chemokines, and bioactive lipids. However, their expression is still modulated by both primordial signaling pathways. This review will focus on the data that purinergic signaling and innate immunity carry on their ancient developmental task in hematopoiesis and specification of hematopoietic stem/progenitor cells (HSPCs). Moreover, recent evidence shows both these regulatory pathways operate in a paracrine manner and inside HSPCs at the autocrine level.
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Affiliation(s)
- Mariusz Z Ratajczak
- Laboratory of Regenerative Medicine, Medical University of Warsaw, Warsaw, Poland.
- Department of Hematology, University of Zielona Gora, Multi-Specialist Hospital Gorzow Wlkp., Gorzow Wielkopolski, Poland.
- Stem Cell Institute at James Graham Brown Cancer Center, University of Louisville, 500 S. Floyd Street, Rm. 107, Louisville, KY, 40202, USA.
| | - Kamila Bujko
- Laboratory of Regenerative Medicine, Medical University of Warsaw, Warsaw, Poland
- Center for Preclinical Studies and Technology, Department of Regenerative Medicine at Medical, University of Warsaw, Warsaw, Poland
| | | | - Janina Ratajczak
- Stem Cell Institute at James Graham Brown Cancer Center, University of Louisville, 500 S. Floyd Street, Rm. 107, Louisville, KY, 40202, USA
| | - Magdalena Kucia
- Laboratory of Regenerative Medicine, Medical University of Warsaw, Warsaw, Poland
- Center for Preclinical Studies and Technology, Department of Regenerative Medicine at Medical, University of Warsaw, Warsaw, Poland
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Abdelbaset-Ismail A, Brzezniakiewicz-Janus K, Thapa A, Ratajczak J, Kucia M, Ratajczak MZ. Pineal Gland Hormone Melatonin Inhibits Migration of Hematopoietic Stem/Progenitor Cells (HSPCs) by Downregulating Nlrp3 Inflammasome and Upregulating Heme Oxygenase-1 (HO-1) Activity. Stem Cell Rev Rep 2024; 20:237-246. [PMID: 37812364 DOI: 10.1007/s12015-023-10638-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/29/2023] [Indexed: 10/10/2023]
Abstract
Hematopoietic stem progenitor cells (HSPCs) follow the diurnal circulation rhythm in peripheral blood (PB) with nadir during late night and peak at early morning hours. The level of these cells in PB correlates with activation of innate immunity pathways, including complement cascade (ComC) that drives activation of Nlrp3 inflammasome. To support this, mice both in defective ComC activation as well as Nlrp3 inflammasome do not show typical changes in the diurnal level of circulating HSPCs. Migration of HSPCs is also impaired at the intracellular level by the anti-inflammatory enzyme heme oxygenase-1 (HO-1) which is an inhibitor of Nlrp3 inflammasome. It is also well known that circadian rhythm mediates PB level of melatonin released from the pineal gland. Since trafficking of HSPCs is driven by innate immunity-induced sterile inflammation and melatonin has an anti-inflammatory effect, we hypothesized that melatonin could negatively impact the release of HSPCs from BM into PB by inhibiting Nlrp3 inflammasome activation. We provide an evidence that melatonin being a ''sleep regulating pineal hormone'' directly inhibits migration of HSPCs both in vitro migration assays and in vivo during pharmacological mobilization. This correlated with inhibition of cholesterol synthesis required for a proper membrane lipid raft (MLRs) formation and an increase in expression of HO-1-an inhibitor of Nlrp3 inflammasome. Since melatonin is a commonly used drug, this should be considered while preparing a patient for the procedure of HSPCs mobilization. More importantly, our studies shed more mechanistic light on a role of melatonin in the diurnal circulation of HSPCs.
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Affiliation(s)
- Ahmed Abdelbaset-Ismail
- Stem Cell Institute at Brown Cancer Center, University of Louisville, 500 S. Floyd Street, Rm. 107, Louisville, KY, 40202, USA
- Surgery, Anesthesiology, and Radiology Department, Faculty of Veterinary Medicine, Zagazig University, Zagazig, Egypt
| | | | - Arjun Thapa
- Stem Cell Institute at Brown Cancer Center, University of Louisville, 500 S. Floyd Street, Rm. 107, Louisville, KY, 40202, USA
| | - Janina Ratajczak
- Stem Cell Institute at Brown Cancer Center, University of Louisville, 500 S. Floyd Street, Rm. 107, Louisville, KY, 40202, USA
| | - Magda Kucia
- Laboratory of Regenerative Medicine, Medical University of Warsaw, Warsaw, Poland
| | - Mariusz Z Ratajczak
- Stem Cell Institute at Brown Cancer Center, University of Louisville, 500 S. Floyd Street, Rm. 107, Louisville, KY, 40202, USA.
- Department of Hematology, University of Zielona Gora, Multi-Specialist Hospital Gorzow Wlkp., Gorzow Wlkp., Poland.
- Laboratory of Regenerative Medicine, Medical University of Warsaw, Warsaw, Poland.
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Chen Z, Yao MW, Ao X, Gong QJ, Yang Y, Liu JX, Lian QZ, Xu X, Zuo LJ. The expression mechanism of programmed cell death 1 ligand 1 and its role in immunomodulatory ability of mesenchymal stem cells. Chin J Traumatol 2024; 27:1-10. [PMID: 38065706 PMCID: PMC10859298 DOI: 10.1016/j.cjtee.2023.11.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Revised: 10/30/2023] [Accepted: 11/13/2023] [Indexed: 02/05/2024] Open
Abstract
Programmed cell death 1 ligand 1 (PD-L1) is an important immunosuppressive molecule, which inhibits the function of T cells and other immune cells by binding to the receptor programmed cell death-1. The PD-L1 expression disorder plays an important role in the occurrence, development, and treatment of sepsis or other inflammatory diseases, and has become an important target for the treatment of these diseases. Mesenchymal stem cells (MSCs) are a kind of pluripotent stem cells with multiple differentiation potential. In recent years, MSCs have been found to have a strong immunosuppressive ability and are used to treat various inflammatory insults caused by hyperimmune diseases. Moreover, PD-L1 is deeply involved in the immunosuppressive events of MSCs and plays an important role in the treatment of various diseases. In this review, we will summarize the main regulatory mechanism of PD-L1 expression, and discuss various biological functions of PD-L1 in the immune regulation of MSCs.
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Affiliation(s)
- Zhuo Chen
- Department of Stem Cell & Regenerative Medicine, State Key Laboratory of Trauma, Burn and Combined Injury, Daping Hospital, Army Medical University, Chongqing, 400042, China; College of Basic Medical Sciences, Army Medical University, Chongqing, 400038, China
| | - Meng-Wei Yao
- Department of Stem Cell & Regenerative Medicine, State Key Laboratory of Trauma, Burn and Combined Injury, Daping Hospital, Army Medical University, Chongqing, 400042, China
| | - Xiang Ao
- Department of Orthopedics, 953 Hospital of PLA, Shigatse Branch of Xinqiao Hospital, Army Medical University, Shigatse, 857000, Tibet Autonomous Region, China
| | - Qing-Jia Gong
- College of Basic Medical Sciences, Army Medical University, Chongqing, 400038, China
| | - Yi Yang
- Department of Rheumatology and Immunology, Daping Hospital, Army Medical University, Chongqing, 400042, China
| | - Jin-Xia Liu
- Department of Obstetrics and Gynecology, Chongqing People's Hospital, Chongqing, 401121, China
| | - Qi-Zhou Lian
- Department of Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, China
| | - Xiang Xu
- Department of Stem Cell & Regenerative Medicine, State Key Laboratory of Trauma, Burn and Combined Injury, Daping Hospital, Army Medical University, Chongqing, 400042, China.
| | - Ling-Jing Zuo
- Department of Nuclear Medicine, The First People's Hospital of Yunnan province, Affiliated Hospital of Kunming University of Science and Technology, Kunming, 650034, China.
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Franczak S, Ulrich H, Ratajczak MZ. Hematopoietic stem cells on the crossroad between purinergic signaling and innate immunity. Purinergic Signal 2023:10.1007/s11302-023-09943-0. [PMID: 37184740 DOI: 10.1007/s11302-023-09943-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2023] [Accepted: 05/09/2023] [Indexed: 05/16/2023] Open
Abstract
Hematopoiesis is regulated by several mediators such as peptide-based growth factors, cytokines, and chemokines, whose biological effects have been studied for many years. However, several other mediators have been identified recently that affect the fate of hematopoietic stem/progenitor cells (HSPC) as well as non-hematopoietic cells in the bone marrow microenvironment. These new mediators comprise members of purinergic signaling pathways and are active mediators of the soluble arm of innate immunity, the complement cascade (ComC). In this review, we will discuss the coordinated effects of these pathways in regulating the biology of HSPC. Importantly, both purinergic signaling and the ComC are activated in stress situations and interact with specific receptors expressed on HSPC. Evidence has accumulated indicating that some of the purinergic as well as ComC receptors could also be activated intracellularly by intrinsically expressed ligands. To support this recent evidence, our work indicates that the major mediator of purinergic signaling, adenosine triphosphate, and the cleavage product of the fifth component of the ComC (C5), C5a anaphylatoxin, can activate their corresponding receptors expressed on the outer mitochondrial membrane in an autocrine manner. We will also discuss recent evidence that these responses, mediated by purinergic signaling and the ComC network, are coordinated by activation of the nicotinamide adenine dinucleotide phosphate (NADPH) oxidase 2 - reactive oxygen species - NLR family pyrin domain containing 3 (NLRP3) inflammasome (Nox2-ROS-NLRP3) axis.
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Affiliation(s)
- Stephanie Franczak
- Laboratory of Regenerative Medicine, Medical University of Warsaw, Warsaw, Poland
| | - Henning Ulrich
- Department of Biochemistry, University of Sao Paulo, Sao Paulo, Brazil
| | - Mariusz Z Ratajczak
- Laboratory of Regenerative Medicine, Medical University of Warsaw, Warsaw, Poland.
- Stem Cell Institute at James Graham Brown Cancer Center, University of Louisville, 500 S. Floyd Street, Rm. 107, Louisville, KY, 40202, USA.
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Bi C, Schäkel L, Mirza S, Sylvester K, Pelletier J, Lee SY, Pillaiyar T, Sévigny J, Müller CE. Synthesis and structure-activity relationships of ticlopidine derivatives and analogs as inhibitors of ectonucleotidase CD39. Bioorg Chem 2023; 135:106460. [PMID: 37023582 DOI: 10.1016/j.bioorg.2023.106460] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Revised: 03/05/2023] [Accepted: 03/06/2023] [Indexed: 03/12/2023]
Abstract
Ticlopidine is an antithrombotic prodrug of the thienotetrahydropyridine family. For platelet inhibition it has to undergo oxidative ring-opening by cytochrome P450 enzymes. The resulting thiol reacts with a cysteine residue of the purinergic P2Y12 receptor on thrombocytes resulting in covalent receptor blockade. Ticlopidine in its intact, not-metabolized form was previously shown to inhibit ecto-nucleoside triphosphate diphosphohydrolase-1 (NTPDase1, also known as cluster of differentiation (CD) 39). CD39 catalyzes the extracellular hydrolysis of ATP via ADP to AMP, which is further hydrolyzed by ecto-5'-nucleotidase (CD73) to adenosine. CD39 inhibition has been proposed as a novel strategy to increase the extracellular concentration of antiproliferative ATP, while decreasing immunosuppressive and cancer-promoting adenosine levels. In the present study, we performed an extensive structure-activity relationship (SAR) analysis of ticlopidine derivatives and analogs as CD39 inhibitors followed by an in-depth characterization of selected compounds. Altogether 74 compounds were synthesized, 41 of which are new, not previously described in literature. Benzotetrahydropyridines, in which the metabolically labile thiophene is replaced by a benzene ring, were discovered as a new class of allosteric CD39 inhibitors.
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Suszynska M, Adamiak M, Thapa A, Cymer M, Ratajczak J, Kucia M, Ratajczak MZ. Purinergic Signaling and Its Role in Mobilization of Bone Marrow Stem Cells. Methods Mol Biol 2023; 2567:263-280. [PMID: 36255707 DOI: 10.1007/978-1-0716-2679-5_17] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Mobilization or egress of stem cells from bone marrow (BM) into peripheral blood (PB) is an evolutionary preserved and important mechanism in an organism for self-defense and regeneration. BM-derived stem cells circulate always at steady-state conditions in PB, and their number increases during stress situations related to (a) infections, (b) tissue organ injury, (c) stress, and (d) strenuous exercise. Stem cells also show a circadian pattern of their PB circulating level with peak in early morning hours and nadir late at night. The number of circulating in PB stem cells could be pharmacologically increased after administration of some drugs such as cytokine granulocyte colony-stimulating factor (G-CSF) or small molecular antagonist of CXCR4 receptor AMD3100 (Plerixafor) that promote their egress from BM into PB and lymphatic vessels. Circulating can be isolated from PB for transplantation purposes by leukapheresis. This important homeostatic mechanism is governed by several intrinsic complementary pathways. In this chapter, we will discuss the role of purinergic signaling and extracellular nucleotides in regulating this process and review experimental strategies to study their involvement in mobilization of various types of stem cells that reside in murine BM.
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Affiliation(s)
- Malwina Suszynska
- Stem Cell Institute, James Graham Brown Cancer Center, University of Louisville, Louisville, KY, USA
- Department of Molecular Genetics, Institute of Bioorganic Chemistry, Polish Academy of Sciences, Poznan, Poland
| | - Mateusz Adamiak
- Department of Regenerative Medicine, Warsaw Medical University, Warsaw, Poland
| | - Arjun Thapa
- Stem Cell Institute, James Graham Brown Cancer Center, University of Louisville, Louisville, KY, USA
| | - Monika Cymer
- Department of Regenerative Medicine, Warsaw Medical University, Warsaw, Poland
| | - Janina Ratajczak
- Stem Cell Institute, James Graham Brown Cancer Center, University of Louisville, Louisville, KY, USA
| | - Magdalena Kucia
- Stem Cell Institute, James Graham Brown Cancer Center, University of Louisville, Louisville, KY, USA.
- Department of Regenerative Medicine, Warsaw Medical University, Warsaw, Poland.
| | - Mariusz Z Ratajczak
- Stem Cell Institute, James Graham Brown Cancer Center, University of Louisville, Louisville, KY, USA
- Department of Regenerative Medicine, Warsaw Medical University, Warsaw, Poland
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Repurposing of Commercially Existing Molecular Target Therapies to Boost the Clinical Efficacy of Immune Checkpoint Blockade. Cancers (Basel) 2022; 14:cancers14246150. [PMID: 36551637 PMCID: PMC9776741 DOI: 10.3390/cancers14246150] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2022] [Revised: 11/29/2022] [Accepted: 12/07/2022] [Indexed: 12/24/2022] Open
Abstract
Immune checkpoint blockade (ICB) is now standard of care for several metastatic epithelial cancers and prolongs life expectancy for a significant fraction of patients. A hostile tumor microenvironment (TME) induced by intrinsic oncogenic signaling induces an immunosuppressive niche that protects the tumor cells, limiting the durability and efficacy of ICB therapies. Addition of receptor tyrosine kinase inhibitors (RTKi) as potential modulators of an unfavorable local immune environment has resulted in moderate life expectancy improvement. Though the combination strategy of ICB and RTKi has shown significantly better results compared to individual treatment, the benefits and adverse events are additive whereas synergy of benefit would be preferable. There is therefore a need to investigate the potential of inhibitors other than RTKs to reduce malignant cell survival while enhancing anti-tumor immunity. In the last five years, preclinical studies have focused on using small molecule inhibitors targeting cell cycle and DNA damage regulators such as CDK4/6, CHK1 and poly ADP ribosyl polymerase (PARP) to selectively kill tumor cells and enhance cytotoxic immune responses. This review provides a comprehensive overview of the available drugs that attenuate immunosuppression and overcome hostile TME that could be used to boost FDA-approved ICB efficacy in the near future.
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Wang J, Du L, Chen X. Adenosine signaling: Optimal target for gastric cancer immunotherapy. Front Immunol 2022; 13:1027838. [PMID: 36189223 PMCID: PMC9523428 DOI: 10.3389/fimmu.2022.1027838] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Accepted: 09/05/2022] [Indexed: 11/21/2022] Open
Abstract
Gastric cancer (GC) is one of the most common malignancy and leading cause of cancer-related deaths worldwide. Due to asymptomatic or only nonspecific early symptoms, GC patients are usually in the advanced stage at first diagnosis and miss the best opportunity of treatment. Immunotherapies, especially immune checkpoint inhibitors (ICIs), have dramatically changed the landscape of available treatment options for advanced-stage cancer patients. However, with regards to existing ICIs, the clinical benefit of monotherapy for advanced gastric cancer (AGC) is quite limited. Therefore, it is urgent to explore an optimal target for the treatment of GC. In this review, we summarize the expression profiles and prognostic value of 20 common immune checkpoint-related genes in GC from Gene Expression Profiling Interactive Analysis (GEPIA) database, and then find that the adenosinergic pathway plays an indispensable role in the occurrence and development of GC. Moreover, we discuss the pathophysiological function of adenosinergic pathway in cancers. The accumulation of extracellular adenosine inhibits the normal function of immune effector cells and facilitate the effect of immunosuppressive cells to foster GC cells proliferation and migration. Finally, we provide insights into potential clinical application of adenosinergic-targeting therapies for GC patients.
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Affiliation(s)
- Junqing Wang
- School of the 1St Clinical Medical Sciences, Wenzhou Medical University, Wenzhou, China
| | - Linyong Du
- Key Laboratory of Laboratory Medicine, Ministry of Education of China, School of Laboratory Medicine and Life Science, Wenzhou Medical University, Wenzhou, China
- *Correspondence: Xiangjian Chen, ; Linyong Du,
| | - Xiangjian Chen
- School of the 1St Clinical Medical Sciences, Wenzhou Medical University, Wenzhou, China
- *Correspondence: Xiangjian Chen, ; Linyong Du,
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Faraoni EY, Strickland LN, O’Brien BJ, Barraza JF, Thosani NC, Wray CJ, Mills TW, Bailey-Lundberg JM. Radiofrequency ablation in combination with CD73 inhibitor AB680 reduces tumor growth and enhances anti-tumor immunity in a syngeneic model of pancreatic ductal adenocarcinoma. Front Oncol 2022; 12:995027. [PMID: 36147911 PMCID: PMC9486545 DOI: 10.3389/fonc.2022.995027] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Accepted: 08/19/2022] [Indexed: 11/30/2022] Open
Abstract
Pancreatic ductal adenocarcinoma presents a 5-year overall survival rate of 11%, placing an imperative need for the discovery and application of innovative treatments. Radiofrequency ablation represents a promising therapy for PDA, as studies show it induces coagulative necrosis and a host adaptive immune response. In this work we evaluated the effects of RFA treatment in vivo by establishing a syngeneic mouse model of PDA and performing tumor ablation in one flank. Our studies revealed RFA acutely impaired PDA tumor growth; however, such effects were not sustained one week after treatment. Adenosine (ADO) pathway represents a strong immunosuppressive mechanism that was shown to play a role in PDA progression and preliminary data from ongoing clinical studies suggest ADO pathway inhibition may improve therapeutic outcomes. Thus, to investigate whether ADO generation may be involved in tumor growth relapse after RFA, we evaluated adenosine-monophosphate (AMP), ADO and inosine (INO) levels by HPLC and found they were acutely increased after treatment. Thus, we evaluated an in vivo CD73 inhibition in combination with RFA to study ADO pathway implication in RFA response. Results showed combination therapy of RFA and a CD73 small molecule inhibitor (AB680) in vivo promoted sustained tumor growth impairment up to 10 days after treatment as evidenced by increased necrosis and anti-tumor immunity, suggesting RFA in combination with CD73 inhibitors may improve PDA patient response.
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Affiliation(s)
- Erika Y. Faraoni
- Department of Anesthesiology, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, TX, United States
| | - Lincoln N. Strickland
- Department of Anesthesiology, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, TX, United States
| | - Baylee J. O’Brien
- Department of Anesthesiology, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, TX, United States
| | - Joseph F. Barraza
- Department of Anesthesiology, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, TX, United States
| | - Nirav C. Thosani
- Center for Interventional Gastroenterology at UTHealth (iGUT), McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, TX, United States
| | - Curtis J. Wray
- Department of Surgery, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, TX, United States
| | - Tingting W. Mills
- Department of Biochemistry, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, TX, United States
| | - Jennifer M. Bailey-Lundberg
- Department of Anesthesiology, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, TX, United States,Center for Interventional Gastroenterology at UTHealth (iGUT), McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, TX, United States,Department of Anesthesiology, Center for Perioperative Medicine, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, TX, United States,*Correspondence: Jennifer M. Bailey-Lundberg,
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Schäkel L, Mirza S, Winzer R, Lopez V, Idris R, Al-Hroub H, Pelletier J, Sévigny J, Tolosa E, Müller CE. Protein kinase inhibitor ceritinib blocks ectonucleotidase CD39 - a promising target for cancer immunotherapy. J Immunother Cancer 2022; 10:jitc-2022-004660. [PMID: 35981785 PMCID: PMC9394215 DOI: 10.1136/jitc-2022-004660] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/24/2022] [Indexed: 11/08/2022] Open
Abstract
Background An important mechanism, by which cancer cells achieve immune escape, is the release of extracellular adenosine into their microenvironment. Adenosine activates adenosine A2A and A2B receptors on immune cells constituting one of the strongest immunosuppressive mediators. In addition, extracellular adenosine promotes angiogenesis, tumor cell proliferation, and metastasis. Cancer cells upregulate ectonucleotidases, most importantly CD39 and CD73, which catalyze the hydrolysis of extracellular ATP to AMP (CD39) and further to adenosine (CD73). Inhibition of CD39 is thus expected to be an effective strategy for the (immuno)therapy of cancer. However, suitable small molecule inhibitors for CD39 are not available. Our aim was to identify drug-like CD39 inhibitors and evaluate them in vitro. Methods We pursued a repurposing approach by screening a self-compiled collection of approved, mostly ATP-competitive protein kinase inhibitors, on human CD39. The best hit compound was further characterized and evaluated in various orthogonal assays and enzyme preparations, and on human immune and cancer cells. Results The tyrosine kinase inhibitor ceritinib, a potent anticancer drug used for the treatment of anaplastic lymphoma kinase (ALK)-positive metastatic non-small cell lung cancer, was found to strongly inhibit CD39 showing selectivity versus other ectonucleotidases. The drug displays a non-competitive, allosteric mechanism of CD39 inhibition exhibiting potency in the low micromolar range, which is independent of substrate (ATP) concentration. We could show that ceritinib inhibits ATP dephosphorylation in peripheral blood mononuclear cells in a dose-dependent manner, resulting in a significant increase in ATP concentrations and preventing adenosine formation from ATP. Importantly, ceritinib (1–10 µM) substantially inhibited ATP hydrolysis in triple negative breast cancer and melanoma cells with high native expression of CD39. Conclusions CD39 inhibition might contribute to the effects of the powerful anticancer drug ceritinib. Ceritinib is a novel CD39 inhibitor with high metabolic stability and optimized physicochemical properties; according to our knowledge, it is the first brain-permeant CD39 inhibitor. Our discovery will provide the basis (i) to develop more potent and balanced dual CD39/ALK inhibitors, and (ii) to optimize the ceritinib scaffold towards interaction with CD39 to obtain potent and selective drug-like CD39 inhibitors for future in vivo studies.
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Affiliation(s)
- Laura Schäkel
- Pharmaceutical & Medicinal Chemistry, University of Bonn, Bonn, Germany
| | - Salahuddin Mirza
- Pharmaceutical & Medicinal Chemistry, University of Bonn, Bonn, Germany
| | - Riekje Winzer
- Immunology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Vittoria Lopez
- Pharmaceutical & Medicinal Chemistry, University of Bonn, Bonn, Germany
| | - Riham Idris
- Pharmaceutical & Medicinal Chemistry, University of Bonn, Bonn, Germany
| | - Haneen Al-Hroub
- Pharmaceutical & Medicinal Chemistry, University of Bonn, Bonn, Germany
| | - Julie Pelletier
- Centre de Recherche du CHU de Québec - Université Laval, Quebec City, Quebec, Canada
| | - Jean Sévigny
- Centre de Recherche du CHU de Québec - Université Laval, Quebec City, Quebec, Canada.,Départment de Microbiologie-Infectiologie et d'Immunologie, Faculté de Medicine, Université Laval, Quebec City, Quebec, Canada
| | - Eva Tolosa
- Immunology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Christa E Müller
- Pharmaceutical & Medicinal Chemistry, University of Bonn, Bonn, Germany
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Extracellular Adenosine (eAdo) - A2B Receptor Axis Inhibits in Nlrp3 Inflammasome-dependent Manner Trafficking of Hematopoietic Stem/progenitor Cells. Stem Cell Rev Rep 2022; 18:2893-2911. [DOI: 10.1007/s12015-022-10417-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/19/2022] [Indexed: 10/16/2022]
Abstract
AbstractWe postulated that mobilization, homing, and engraftment of hematopoietic stem/progenitor cells (HSCPs) is facilitated by a state of sterile inflammation induced in bone marrow (BM) after administration of pro-mobilizing drugs or in response to pre-transplant myeloablative conditioning. An important role in this phenomenon plays purinergic signaling that by the release of extracellular adenosine triphosphate (eATP) activates in HSPCs and in cells in the hematopoietic microenvironment an intracellular pattern recognition receptor (PPR) known as Nlrp3 inflammasome. We reported recently that its deficiency results in defective trafficking of HSPCs. Moreover, it is known that eATP after release into extracellular space is processed by cell surface expressed ectonucleotidases CD39 and CD73 to extracellular adenosine (eAdo) that in contrast to eATP shows an anti-inflammatory effect. Based on data that the state of sterile inflammation promotes trafficking of HSPCs, and since eAdo is endowed with anti-inflammatory properties we become interested in how eAdo will affect the mobilization, homing, and engraftment of HSPCs and which of eAdo receptors are involved in these processes. As expected, eAdo impaired HSPCs trafficking and this occurred in autocrine- and paracrine-dependent manner by direct stimulation of these cells or by affecting cells in the BM microenvironment. We report herein for the first time that this defect is mediated by activation of the A2B receptor and a specific inhibitor of this receptor improves eAdo-aggravated trafficking of HSPCs. To explain this at the molecular level eAdo-A2B receptor interaction upregulates in HSPCs in NF-kB-, NRF2- and cAMP-dependent manner heme oxygenase-1 (HO-1), that is Nlrp3 inflammasome inhibitor. This corroborated with our analysis of proteomics signature in murine HSPCs exposed to eAdo that revealed that A2B inhibition promotes cell migration and proliferation. Based on this we postulate that blockage of A2B receptor may accelerate the mobilization of HSPCs as well as their hematopoietic reconstitution and this approach could be potentially considered in the future to be tested in the clinic.
Graphical Abstract
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Zhang S, Li J, Li C, Xie X, He J, Ling F, Li B, Wu H, Li Z, Zheng J. CD73-Positive Small Extracellular Vesicles Derived From Umbilical Cord Mesenchymal Stem Cells Promote the Proliferation and Migration of Pediatric Urethral Smooth Muscle Cells Through Adenosine Pathway. Front Bioeng Biotechnol 2022; 10:895998. [PMID: 35573239 PMCID: PMC9091373 DOI: 10.3389/fbioe.2022.895998] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Accepted: 04/11/2022] [Indexed: 01/06/2023] Open
Abstract
Smooth muscle cells (SMCs) are the main functional component of urethral tissue, but are difficult to proliferate in vitro. Mesenchymal stem cells (MSCs) and mesenchymal stem cell-derived small extracellular vesicles (MSC-sEV) have been shown to promote tissue repair by regulating the proliferation and migration of different types of cells. In this study, we investigated the effect of umbilical cord mesenchymal stem cell-derived sEV (UCMSC-sEV) on the proliferation and migration of pediatric urethral smooth muscle cells (PUSMCs) and the mechanism by which sEV regulates the function of PUSMCs. We observed that UCMSC-sEV can significantly promote the proliferation and migration of PUSMCs in vitro. UCMSC-sEV exerted proliferation and migration promotion effects by carrying the CD73 to PUSMCs and catalyzing the production of adenosine. Conversely, the effect of UCMSC-sEV on the proliferation and migration of PUSMCs were no longer observed with addition of the PSB12379 as a CD73 inhibitor. It was found that the phosphatidylinositol 3-kinase (PI3K)/protein kinase B (AKT) signaling pathway in PUSMCs was activated by adenosine or UCMSC-sEV intervention. In summary, UCMSC-sEV promoted proliferation and migration of PUSMCs in vitro by activating CD73/adenosine signaling axis and downstream PI3K/AKT pathway. Thus, we concluded that UCMSC-sEV may be suggested as a new solution strategy for the urethral tissue repair.
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Affiliation(s)
- Shilin Zhang
- Department of Urology, Affiliated Foshan Maternity and Child Healthcare Hospital, Southern Medical University, Foshan, China
| | - Jierong Li
- Department of Urology, Affiliated Foshan Maternity and Child Healthcare Hospital, Southern Medical University, Foshan, China
| | - Chunjing Li
- Department of Urology, Affiliated Foshan Maternity and Child Healthcare Hospital, Southern Medical University, Foshan, China
| | - Xumin Xie
- Department of Urology, Affiliated Foshan Maternity and Child Healthcare Hospital, Southern Medical University, Foshan, China
| | - Jun He
- Department of Urology, Affiliated Foshan Maternity and Child Healthcare Hospital, Southern Medical University, Foshan, China
| | - Fengsheng Ling
- Department of Urology, Affiliated Foshan Maternity and Child Healthcare Hospital, Southern Medical University, Foshan, China
| | - Bowei Li
- Department of Urology, Affiliated Foshan Maternity and Child Healthcare Hospital, Southern Medical University, Foshan, China
| | - Huayan Wu
- Department of Urology, Affiliated Foshan Maternity and Child Healthcare Hospital, Southern Medical University, Foshan, China
| | - Zhilin Li
- Department of Urology, Affiliated Foshan Maternity and Child Healthcare Hospital, Southern Medical University, Foshan, China
| | - Jianwei Zheng
- Department of Urology, Affiliated Foshan Maternity and Child Healthcare Hospital, Southern Medical University, Foshan, China
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The P2X4 purinergic receptor has emerged as a potent regulator of hematopoietic stem/progenitor cell mobilization and homing-a novel view of P2X4 and P2X7 receptor interaction in orchestrating stem cell trafficking. Leukemia 2022; 36:248-256. [PMID: 34285343 DOI: 10.1038/s41375-021-01352-9] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Revised: 07/07/2021] [Accepted: 07/12/2021] [Indexed: 02/07/2023]
Abstract
Recent evidence indicates that extracellular adenosine triphosphate (eATP), as a major mediator of purinergic signaling, plays an important role in regulating the mobilization and homing of hematopoietic stem progenitor cells (HSPCs). In our previous work we demonstrated that eATP activates the P2X7 ion channel receptor in HSPCs and that its deficiency impairs stem cell trafficking. To learn more about the role of the P2X purinergic receptor family in hematopoiesis, we phenotyped murine and human HSPCs with respect to the seven P2X receptors and observed that, these cells also highly express P2X4 receptors, which shows ~50% sequence similarity to P2X7 subtypes, but that P2X4 cells are more sensitive to eATP and signal much more rapidly. Using the selective P2X4 receptor antagonist PSB12054 as well as P2X4-KO mice, we found that the P2X4 receptor, similar to P2X7 receptor, promotes trafficking of HSPCs in that its deficiency leads to impaired chemotaxis of HSPCs in response to a stromal-derived factor 1 (SDF-1) gradient, less effective pharmacological mobilization, and defective homing and engraftment of HSPCs after transplantation into myeloablated hosts. This correlated with a decrease in SDF-1 expression in the BM microenvironment. Overall, our results confirm the proposed cooperative dependence of both receptors in response to eATP signaling. In G-CSF-induced mobilization, a lack of one receptor is not compensated by the presence of the other one, which supports their mutual dependence in regulating HSPC trafficking.
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14
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Zhao Y, Chen X, Ding Z, He C, Gao G, Lyu S, Gao Y, Du J. Identification of Novel CD39 Inhibitors Based on Virtual Screening and Enzymatic Assays. J Chem Inf Model 2021; 62:5289-5304. [PMID: 34648290 DOI: 10.1021/acs.jcim.1c00590] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
The accumulation of adenosine in the tumor microenvironment mediates immunosuppression and promotes tumor growth and proliferation. Intervention of the adenosine pathway is an important direction of antitumor immunity research. CD39 is an important ecto-nucleotidases for adenosine generation, therefore targeting the CD39-adenosine pathway is an emerging immune checkpoint for anticancer treatment. However, currently no CD39 inhibitor has been approved by the U.S. Food and Drug Administration. The development of CD39 drugs is urgent for clinical application. In this study, we combined homology modeling, virtual screening, and in vitro enzymatic activity to characterize the structural features of the CD39 protein and identify a triazinoindole-based compound as a CD39 inhibitor. The identified inhibitor and one of its analogues could effectively prevent the enzymatic activity of CD39 with IC50 values of 27.42 ± 5.52 and 79.24 ± 12.21 μM, respectively. At the same time, the inhibitor significantly inhibited the adenosine monophosphate production in colorectal cancer cell lines (HT29 and MC38) and thereafter prevented cell proliferation. Molecular docking studies, mutagenesis, and microscale thermophoresis indicated that residues such as R85 could be the main contributor in binding triazinoindole compounds. The binding mode can potentially be utilized for hit-to-lead optimization, and the identified inhibitor can be further tested for its anticancer activity in vivo or may serve as a chemical agent to study CD39-related functions.
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Affiliation(s)
- Yunshuo Zhao
- School of Life Sciences, Zhengzhou University, Zhengzhou 450001, China
| | - Xiaotong Chen
- School of Life Sciences, Zhengzhou University, Zhengzhou 450001, China
| | - Zhe Ding
- School of Life Sciences, Zhengzhou University, Zhengzhou 450001, China
| | - Chuanjie He
- School of Life Sciences, Zhengzhou University, Zhengzhou 450001, China
| | - Guanfei Gao
- School of Life Sciences, Zhengzhou University, Zhengzhou 450001, China
| | - Sifan Lyu
- School of Life Sciences, Zhengzhou University, Zhengzhou 450001, China
| | - Yanfeng Gao
- School of Pharmaceutical Sciences (Shenzhen), Sun Yat-sen University, Shenzhen 518107, China
| | - Jiangfeng Du
- School of Life Sciences, Zhengzhou University, Zhengzhou 450001, China
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15
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Prat-Vidal C, Crisóstomo V, Moscoso I, Báez-Díaz C, Blanco-Blázquez V, Gómez-Mauricio G, Albericio G, Aguilar S, Fernández-Santos ME, Fernández-Avilés F, Sánchez-Margallo FM, Bayes-Genis A, Bernad A. Intracoronary Delivery of Porcine Cardiac Progenitor Cells Overexpressing IGF-1 and HGF in a Pig Model of Sub-Acute Myocardial Infarction. Cells 2021; 10:cells10102571. [PMID: 34685551 PMCID: PMC8534140 DOI: 10.3390/cells10102571] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2021] [Revised: 09/17/2021] [Accepted: 09/24/2021] [Indexed: 12/26/2022] Open
Abstract
Human cardiac progenitor cells (hCPC) are considered a good candidate in cell therapy for ischemic heart disease, demonstrating capacity to improve functional recovery after myocardial infarction (MI), both in small and large preclinical animal models. However, improvements are required in terms of cell engraftment and efficacy. Based on previously published reports, insulin-growth factor 1 (IGF-1) and hepatocyte growth factor (HGF) have demonstrated substantial cardioprotective, repair and regeneration activities, so they are good candidates to be evaluated in large animal model of MI. We have validated porcine cardiac progenitor cells (pCPC) and lentiviral vectors to overexpress IGF-1 (co-expressing eGFP) and HGF (co-expressing mCherry). pCPC were transduced and IGF1-eGFPpos and HGF-mCherrypos populations were purified by cell sorting and further expanded. Overexpression of IGF-1 has a limited impact on pCPC expression profile, whereas results indicated that pCPC-HGF-mCherry cultures could be counter selecting high expresser cells. In addition, pCPC-IGF1-eGFP showed a higher cardiogenic response, evaluated in co-cultures with decellularized extracellular matrix, compared with native pCPC or pCPC-HGF-mCherry. In vivo intracoronary co-administration of pCPC-IGF1-eGFP and pCPC-HFG-mCherry (1:1; 40 × 106/animal), one week after the induction of an MI model in swine, revealed no significant improvement in cardiac function.
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Affiliation(s)
- Cristina Prat-Vidal
- ICREC Research Program, Germans Trias i Pujol Health Science Research Institute, Can Ruti Campus, Heart Institute (iCor), Germans Trias i Pujol University Hospital, 08916 Badalona, Spain; (C.P.-V.); (A.B.-G.)
- CIBERCV, Instituto de Salud Carlos III, 28029 Madrid, Spain; (V.C.); (I.M.); (C.B.-D.); (V.B.-B.); (M.-E.F.-S.); (F.F.-A.); (F.M.S.-M.)
- Institut d’Investigació Biomèdica de Bellvitge-IDIBELL, 08908 L’Hospitalet de Llobregat, Spain
| | - Verónica Crisóstomo
- CIBERCV, Instituto de Salud Carlos III, 28029 Madrid, Spain; (V.C.); (I.M.); (C.B.-D.); (V.B.-B.); (M.-E.F.-S.); (F.F.-A.); (F.M.S.-M.)
- Jesús Usón Minimally Invasive Surgery Center, 10071 Cáceres, Spain;
| | - Isabel Moscoso
- CIBERCV, Instituto de Salud Carlos III, 28029 Madrid, Spain; (V.C.); (I.M.); (C.B.-D.); (V.B.-B.); (M.-E.F.-S.); (F.F.-A.); (F.M.S.-M.)
- Cardiology Group, Center for Research in Molecular Medicine and Chronic Diseases (CIMUS), Universidade de Santiago de Compostela and Health Research Institute, University Clinical Hospital of Santiago de Compostela, 15782 Santiago de Compostela, Spain
| | - Claudia Báez-Díaz
- CIBERCV, Instituto de Salud Carlos III, 28029 Madrid, Spain; (V.C.); (I.M.); (C.B.-D.); (V.B.-B.); (M.-E.F.-S.); (F.F.-A.); (F.M.S.-M.)
- Jesús Usón Minimally Invasive Surgery Center, 10071 Cáceres, Spain;
| | - Virginia Blanco-Blázquez
- CIBERCV, Instituto de Salud Carlos III, 28029 Madrid, Spain; (V.C.); (I.M.); (C.B.-D.); (V.B.-B.); (M.-E.F.-S.); (F.F.-A.); (F.M.S.-M.)
- Jesús Usón Minimally Invasive Surgery Center, 10071 Cáceres, Spain;
| | | | - Guillermo Albericio
- Immunology and Oncology Department, National Center for Biotechnology, 28049 Madrid, Spain; (G.A.); (S.A.)
| | - Susana Aguilar
- Immunology and Oncology Department, National Center for Biotechnology, 28049 Madrid, Spain; (G.A.); (S.A.)
| | - María-Eugenia Fernández-Santos
- CIBERCV, Instituto de Salud Carlos III, 28029 Madrid, Spain; (V.C.); (I.M.); (C.B.-D.); (V.B.-B.); (M.-E.F.-S.); (F.F.-A.); (F.M.S.-M.)
- Servicio de Cardiología, Hospital General Universitario Gregorio Marañón, Laboratorio Investigación Traslacional en Cardiología (LITC), Unidad de Producción Celular-GMP (UPC-GMP), Instituto de Investigación Sanitaria Gregorio Marañón (IiSGM), TERCEL, 28007 Madrid, Spain
| | - Francisco Fernández-Avilés
- CIBERCV, Instituto de Salud Carlos III, 28029 Madrid, Spain; (V.C.); (I.M.); (C.B.-D.); (V.B.-B.); (M.-E.F.-S.); (F.F.-A.); (F.M.S.-M.)
- Servicio de Cardiología, Hospital General Universitario Gregorio Marañón, Laboratorio Investigación Traslacional en Cardiología (LITC), Unidad de Producción Celular-GMP (UPC-GMP), Instituto de Investigación Sanitaria Gregorio Marañón (IiSGM), TERCEL, 28007 Madrid, Spain
- Departamento de Medicina, Facultad de Medicina, Universidad Complutense de Madrid (UCM), 28040 Madrid, Spain
| | - Francisco M. Sánchez-Margallo
- CIBERCV, Instituto de Salud Carlos III, 28029 Madrid, Spain; (V.C.); (I.M.); (C.B.-D.); (V.B.-B.); (M.-E.F.-S.); (F.F.-A.); (F.M.S.-M.)
- Jesús Usón Minimally Invasive Surgery Center, 10071 Cáceres, Spain;
| | - Antoni Bayes-Genis
- ICREC Research Program, Germans Trias i Pujol Health Science Research Institute, Can Ruti Campus, Heart Institute (iCor), Germans Trias i Pujol University Hospital, 08916 Badalona, Spain; (C.P.-V.); (A.B.-G.)
- CIBERCV, Instituto de Salud Carlos III, 28029 Madrid, Spain; (V.C.); (I.M.); (C.B.-D.); (V.B.-B.); (M.-E.F.-S.); (F.F.-A.); (F.M.S.-M.)
- Cardiology Service, Germans Trias i Pujol University Hospital, 08916 Badalona, Spain
- Department of Medicine, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain
| | - Antonio Bernad
- Immunology and Oncology Department, National Center for Biotechnology, 28049 Madrid, Spain; (G.A.); (S.A.)
- Correspondence: ; Tel.: +34-915-855-424
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Ratajczak MZ, Kucia M. The Nlrp3 inflammasome - the evolving story of its positive and negative effects on hematopoiesis. Curr Opin Hematol 2021; 28:251-261. [PMID: 33901136 PMCID: PMC8169640 DOI: 10.1097/moh.0000000000000658] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
PURPOSE OF REVIEW Hematopoiesis is co-regulated by innate immunity, which is an ancient evolutionary defense mechanism also involved in the development and regeneration of damaged tissues. This review seeks to shed more light on the workings of the Nlrp3 inflammasome, which is an intracellular innate immunity pattern recognition receptor and sensor of changes in the hematopoietic microenvironment, and focus on its role in hematopoieisis. RECENT FINDINGS Hematopoietic stem progenitor cells (HSPCs) are exposed to several external mediators of innate immunity. Moreover, since hemato/lymphopoietic cells develop from a common stem cell, their behavior and fate are coregulated by intracellular innate immunity pathways. Therefore, the Nlrp3 inflammasome is functional both in immune cells and in HSPCs and affects hematopoiesis in either a positive or negative way, depending on its activity level. Specifically, while a physiological level of activation regulates the trafficking of HSPCs and most likely maintains their pool in the bone marrow, hyperactivation may lead to irreversible cell damage by pyroptosis and HSPC senescence and contribute to the origination of myelodysplasia and hematopoietic malignancies. SUMMARY Modulation of the level of Nrp3 inflammasome activation will enable improvements in HSPC mobilization, homing, and engraftment strategies. It may also control pathological activation of this protein complex during HSPC senescence, graft-versus-host disease, the induction of cytokine storms, and the development of hematopoietic malignancies.
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Affiliation(s)
- Mariusz Z. Ratajczak
- Stem Cell Institute at James Graham Brown Cancer Center, University of Louisville, KY, USA
- Department of Regenerative Medicine, Center for Preclinical Research and Technology, Medical University of Warsaw, Poland
| | - Magdalena Kucia
- Stem Cell Institute at James Graham Brown Cancer Center, University of Louisville, KY, USA
- Department of Regenerative Medicine, Center for Preclinical Research and Technology, Medical University of Warsaw, Poland
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17
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Luo C, Wang L, Wu G, Huang X, Zhang Y, Ma Y, Xie M, Sun Y, Huang Y, Huang Z, Song Q, Li H, Hou Y, Li X, Xu S, Chen J. Comparison of the efficacy of hematopoietic stem cell mobilization regimens: a systematic review and network meta-analysis of preclinical studies. Stem Cell Res Ther 2021; 12:310. [PMID: 34051862 PMCID: PMC8164253 DOI: 10.1186/s13287-021-02379-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2021] [Accepted: 05/10/2021] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Mobilization failure may occur when the conventional hematopoietic stem cells (HSCs) mobilization agent granulocyte colony-stimulating factor (G-CSF) is used alone, new regimens were developed to improve mobilization efficacy. Multiple studies have been performed to investigate the efficacy of these regimens via animal models, but the results are inconsistent. We aim to compare the efficacy of different HSC mobilization regimens and identify new promising regimens with a network meta-analysis of preclinical studies. METHODS We searched Medline and Embase databases for the eligible animal studies that compared the efficacy of different HSC mobilization regimens. Primary outcome is the number of total colony-forming cells (CFCs) in per milliliter of peripheral blood (/ml PB), and the secondary outcome is the number of Lin- Sca1+ Kit+ (LSK) cells/ml PB. Bayesian network meta-analyses were performed following the guidelines of the National Institute for Health and Care Excellence Decision Support Unit (NICE DSU) with WinBUGS version 1.4.3. G-CSF-based regimens were classified into the SD (standard dose, 200-250 μg/kg/day) group and the LD (low dose, 100-150 μg/kg/day) group based on doses, and were classified into the short-term (2-3 days) group and the long-term (4-5 days) group based on administration duration. Long-term SD G-CSF was chosen as the reference treatment. Results are presented as the mean differences (MD) with the associated 95% credibility interval (95% CrI) for each regimen. RESULTS We included 95 eligible studies and reviewed the efficacy of 94 mobilization agents. Then 21 studies using the poor mobilizer mice model (C57BL/6 mice) to investigate the efficacy of different mobilization regimens were included for network meta-analysis. Network meta-analyses indicated that compared with long-term SD G-CSF alone, 14 regimens including long-term SD G-CSF + Me6, long-term SD G-CSF + AMD3100 + EP80031, long-term SD G-CSF + AMD3100 + FG-4497, long-term SD G-CSF + ML141, long-term SD G-CSF + desipramine, AMD3100 + meloxicam, long-term SD G-CSF + reboxetine, AMD3100 + VPC01091, long-term SD G-CSF + FG-4497, Me6, long-term SD G-CSF + EP80031, POL5551, long-term SD G-CSF + AMD3100, AMD1300 + EP80031 and long-term LD G-CSF + meloxicam significantly increased the collections of total CFCs. G-CSF + Me6 ranked first among these regimens in consideration of the number of harvested CFCs/ml PB (MD 2168.0, 95% CrI 2062.0-2272.0). In addition, 7 regimens including long-term SD G-CSF + AMD3100, AMD3100 + EP80031, long-term SD G-CSF + EP80031, short-term SD G-CSF + AMD3100 + IL-33, long-term SD G-CSF + ML141, short-term LD G-CSF + ARL67156, and long-term LD G-CSF + meloxicam significantly increased the collections of LSK cells compared with G-CSF alone. Long-term SD G-CSF + AMD3100 ranked first among these regimens in consideration of the number of harvested LSK cells/ml PB (MD 2577.0, 95% CrI 2422.0-2733.0). CONCLUSIONS Considering the number of CFC and LSK cells in PB as outcomes, G-CSF plus AMD3100, Me6, EP80031, ML141, FG-4497, IL-33, ARL67156, meloxicam, desipramine, and reboxetine are all promising mobilizing regimens for future investigation.
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Affiliation(s)
- Chengxin Luo
- Center for Hematology, Southwest Hospital, Third Military Medical University, #30 Gaotanyan Street, Shapingba District, Chongqing, 400038, China.,Key Laboratory of Cancer Immunotherapy of Chongqing, Chongqing, China
| | - Li Wang
- Department of Hematology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Guixian Wu
- Center for Hematology, Southwest Hospital, Third Military Medical University, #30 Gaotanyan Street, Shapingba District, Chongqing, 400038, China.,Key Laboratory of Cancer Immunotherapy of Chongqing, Chongqing, China
| | - Xiangtao Huang
- Center for Hematology, Southwest Hospital, Third Military Medical University, #30 Gaotanyan Street, Shapingba District, Chongqing, 400038, China.,Key Laboratory of Cancer Immunotherapy of Chongqing, Chongqing, China
| | - Yali Zhang
- Center for Hematology, Southwest Hospital, Third Military Medical University, #30 Gaotanyan Street, Shapingba District, Chongqing, 400038, China.,Key Laboratory of Cancer Immunotherapy of Chongqing, Chongqing, China
| | - Yanni Ma
- Center for Hematology, Southwest Hospital, Third Military Medical University, #30 Gaotanyan Street, Shapingba District, Chongqing, 400038, China.,Key Laboratory of Cancer Immunotherapy of Chongqing, Chongqing, China
| | - Mingling Xie
- Center for Hematology, Southwest Hospital, Third Military Medical University, #30 Gaotanyan Street, Shapingba District, Chongqing, 400038, China.,Key Laboratory of Cancer Immunotherapy of Chongqing, Chongqing, China
| | - Yanni Sun
- Center for Hematology, Southwest Hospital, Third Military Medical University, #30 Gaotanyan Street, Shapingba District, Chongqing, 400038, China.,Key Laboratory of Cancer Immunotherapy of Chongqing, Chongqing, China
| | - Yarui Huang
- Center for Hematology, Southwest Hospital, Third Military Medical University, #30 Gaotanyan Street, Shapingba District, Chongqing, 400038, China.,Key Laboratory of Cancer Immunotherapy of Chongqing, Chongqing, China
| | - Zhen Huang
- Center for Hematology, Southwest Hospital, Third Military Medical University, #30 Gaotanyan Street, Shapingba District, Chongqing, 400038, China.,Key Laboratory of Cancer Immunotherapy of Chongqing, Chongqing, China
| | - Qiuyue Song
- Department of Health Statistics, Third Military Medical University, Chongqing, China
| | - Hui Li
- Center for Hematology, Southwest Hospital, Third Military Medical University, #30 Gaotanyan Street, Shapingba District, Chongqing, 400038, China.,Key Laboratory of Cancer Immunotherapy of Chongqing, Chongqing, China
| | - Yu Hou
- Center for Hematology, Southwest Hospital, Third Military Medical University, #30 Gaotanyan Street, Shapingba District, Chongqing, 400038, China.,Key Laboratory of Cancer Immunotherapy of Chongqing, Chongqing, China
| | - Xi Li
- Institute of Infectious Disease, Southwest Hospital, Third Military Medical University, #30 Gaotanyan Street, Shapingba District, Chongqing, 400038, China.
| | - Shuangnian Xu
- Center for Hematology, Southwest Hospital, Third Military Medical University, #30 Gaotanyan Street, Shapingba District, Chongqing, 400038, China. .,Key Laboratory of Cancer Immunotherapy of Chongqing, Chongqing, China.
| | - Jieping Chen
- Center for Hematology, Southwest Hospital, Third Military Medical University, #30 Gaotanyan Street, Shapingba District, Chongqing, 400038, China. .,Key Laboratory of Cancer Immunotherapy of Chongqing, Chongqing, China.
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New insights into cytotoxic mechanisms of bozepinib against glioblastoma. Eur J Pharm Sci 2021; 162:105823. [PMID: 33781855 DOI: 10.1016/j.ejps.2021.105823] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Revised: 02/18/2021] [Accepted: 03/22/2021] [Indexed: 02/06/2023]
Abstract
Glioblastoma (GBM) is the most frequent and aggressive brain tumor in adults and the current treatments only have a modest effect on patient survival. Recent studies show that bozepinib (BZP), a purine derivative, has potential applications in cancer treatment. The aim of this study was to evaluate the effect of BZP against GBM cells, specially concerning the purinergic system. Thus, GBM cells (C6 and U138 cell lines) were treated with BZP and cell viability, cell cycle, and annexin/PI assays, and active caspase-3 measurements were carried out. Besides, the effect of BZP over the purinergic system was also evaluated in silico and in vitro. Finally, we evaluate the action of BZP against important markers related to cancer progression, such as Akt, NF-κB, and CD133. We demonstrate here that BZP reduces GBM cell viability (IC50 = 5.7 ± 0.3 µM and 12.7 ± 1.5 µM, in C6 and U138 cells, respectively), inducing cell death through caspase-dependent apoptosis, autophagosome formation, activation of NF-κB, without any change in cell cycle progression or on the Akt pathway. Also, BZP modulates the purinergic system, inducing an increase in CD39 enzyme expression and activity, while inhibiting CD73 activity and adenosine formation, without altering CD73 enzyme expression. Curiously, one cycle of treatment resulted in enrichment of GBM cells expressing NF-κB and CD133+, suggesting resistant cells selection. However, after another treatment round, the resistant cells were eliminated. Altogether, BZP presented in vitro anti-glioma activity, encouraging further in vivo studies in order to better understand its mechanism of action.
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19
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Postnatal Pluripotent Cells: Quarter of a Century of Research. Bull Exp Biol Med 2021; 170:515-521. [PMID: 33713237 DOI: 10.1007/s10517-021-05099-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Indexed: 10/21/2022]
Abstract
Almost quarter of a century long studies aimed at identification, isolation, culturing, and use of postnatal pluripotent cells for the development of cell-based technologies have not met with success and failed to provide reliable and reproducible protocols of cell isolation, identification, and culturing. At the same time, experimental data in this field suggest that postnatal pluripotent cells are not the copies of embryonic cells and, therefore, the tests routinely used for identification of embryonic pluripotent cells are not fully adequate for characterization of their postnatal analogues. Therefore, cell lineage tracing methods showing the differentiation routes of the studied cells in human or animal body after birth should be developed and used.
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20
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Galgaro BC, Beckenkamp LR, van den M Nunnenkamp M, Korb VG, Naasani LIS, Roszek K, Wink MR. The adenosinergic pathway in mesenchymal stem cell fate and functions. Med Res Rev 2021; 41:2316-2349. [PMID: 33645857 DOI: 10.1002/med.21796] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 02/02/2021] [Accepted: 02/17/2021] [Indexed: 12/18/2022]
Abstract
Mesenchymal stem cells (MSCs) play an important role in tissue homeostasis and damage repair through their ability to differentiate into cells of different tissues, trophic support, and immunomodulation. These properties made them attractive for clinical applications in regenerative medicine, immune disorders, and cell transplantation. However, despite multiple preclinical and clinical studies demonstrating beneficial effects of MSCs, their native identity and mechanisms of action remain inconclusive. Since its discovery, the CD73/ecto-5'-nucleotidase is known as a classic marker for MSCs, but its role goes far beyond a phenotypic characterization antigen. CD73 contributes to adenosine production, therefore, is an essential component of purinergic signaling, a pathway composed of different nucleotides and nucleosides, which concentrations are finely regulated by the ectoenzymes and receptors. Thus, purinergic signaling controls pathophysiological functions such as proliferation, migration, cell fate, and immune responses. Despite the remarkable progress already achieved in considering adenosinergic pathway as a therapeutic target in different pathologies, its role is not fully explored in the context of the therapeutic functions of MSCs. Therefore, in this review, we provide an overview of the role of CD73 and adenosine-mediated signaling in the functions ascribed to MSCs, such as homing and proliferation, cell differentiation, and immunomodulation. Additionally, we will discuss the pathophysiological role of MSCs, via CD73 and adenosine, in different diseases, as well as in tumor development and progression. A better understanding of the adenosinergic pathway in the regulation of MSCs functions will help to provide improved therapeutic strategies applicable in regenerative medicine.
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Affiliation(s)
- Bruna C Galgaro
- Laboratório de Biologia Celular, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre, Rio Grande do Sul, Brazil
| | - Liziane R Beckenkamp
- Laboratório de Biologia Celular, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre, Rio Grande do Sul, Brazil
| | - Martha van den M Nunnenkamp
- Laboratório de Biologia Celular, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre, Rio Grande do Sul, Brazil
| | - Vitória G Korb
- Laboratório de Biologia Celular, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre, Rio Grande do Sul, Brazil
| | - Liliana I S Naasani
- Laboratório de Biologia Celular, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre, Rio Grande do Sul, Brazil
| | - Katarzyna Roszek
- Department of Biochemistry, Faculty of Biological and Veterinary Sciences, Nicolaus Copernicus University, Toruń, Poland
| | - Márcia R Wink
- Laboratório de Biologia Celular, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre, Rio Grande do Sul, Brazil
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21
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Ratajczak MZ, Kucia M. Extracellular Adenosine Triphosphate (eATP) and Its Metabolite, Extracellular Adenosine (eAdo), as Opposing "Yin-Yang" Regulators of Nlrp3 Inflammasome in the Trafficking of Hematopoietic Stem/Progenitor Cells. Front Immunol 2021; 11:603942. [PMID: 33584673 PMCID: PMC7878390 DOI: 10.3389/fimmu.2020.603942] [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: 09/08/2020] [Accepted: 12/14/2020] [Indexed: 12/17/2022] Open
Abstract
Nlrp3 inflammasome plays a pleiotropic role in hematopoietic cells. On the one hand, physiological activation of this intracellular protein complex is crucial to maintaining normal hematopoiesis and the trafficking of hematopoietic stem progenitor cells (HSPCs). On the other hand, its hyperactivation may lead to cell death by pyroptosis, and prolonged activity is associated with sterile inflammation of the BM and, as a consequence, with the HSPCs aging and origination of myelodysplasia and leukemia. Thus, we need to understand better this protein complex’s actions to define the boundaries of its safety window and study the transition from being beneficial to being detrimental. As demonstrated, the Nlrp3 inflammasome is expressed and active both in HSPCs and in the non-hematopoietic cells that are constituents of the bone marrow (BM) microenvironment. Importantly, the Nlrp3 inflammasome responds to mediators of purinergic signaling, and while extracellular adenosine triphosphate (eATP) activates this protein complex, its metabolite extracellular adenosine (eAdo) has the opposite effect. In this review, we will discuss and focus on the physiological consequences of the balance between eATP and eAdo in regulating the trafficking of HSPCs in an Nlrp3 inflammasome-dependent manner, as seen during pharmacological mobilization from BM into peripheral blood (PB) and in the reverse mechanism of homing from PB to BM and engraftment. We propose that both mediators of purinergic signaling and the Nlrp3 inflammasome itself may become important therapeutic targets in optimizing the trafficking of HSPCs in clinical settings.
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Affiliation(s)
- Mariusz Z Ratajczak
- Stem Cell Institute at Division of Hematology, Department of Medicine and James Graham Brown Cancer Center, University of Louisville, KY, United States.,Center for Preclinical Studies and Technology, Department of Regenerative Medicine Medical University of Warsaw, Warsaw, Poland
| | - Magda Kucia
- Stem Cell Institute at Division of Hematology, Department of Medicine and James Graham Brown Cancer Center, University of Louisville, KY, United States.,Center for Preclinical Studies and Technology, Department of Regenerative Medicine Medical University of Warsaw, Warsaw, Poland
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22
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Yang L, Hu M, Lu Y, Han S, Wang J. Inflammasomes and the Maintenance of Hematopoietic Homeostasis: New Perspectives and Opportunities. Molecules 2021; 26:molecules26020309. [PMID: 33435298 PMCID: PMC7827629 DOI: 10.3390/molecules26020309] [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: 11/22/2020] [Revised: 01/04/2021] [Accepted: 01/07/2021] [Indexed: 12/14/2022] Open
Abstract
Hematopoietic stem cells (HSCs) regularly produce various blood cells throughout life via their self-renewal, proliferation, and differentiation abilities. Most HSCs remain quiescent in the bone marrow (BM) and respond in a timely manner to either physiological or pathological cues, but the underlying mechanisms remain to be further elucidated. In the past few years, accumulating evidence has highlighted an intermediate role of inflammasome activation in hematopoietic maintenance, post-hematopoietic transplantation complications, and senescence. As a cytosolic protein complex, the inflammasome participates in immune responses by generating a caspase cascade and inducing cytokine secretion. This process is generally triggered by signals from purinergic receptors that integrate extracellular stimuli such as the metabolic factor ATP via P2 receptors. Furthermore, targeted modulation/inhibition of specific inflammasomes may help to maintain/restore adequate hematopoietic homeostasis. In this review, we will first summarize the possible relationships between inflammasome activation and homeostasis based on certain interesting phenomena. The cellular and molecular mechanism by which purinergic receptors integrate extracellular cues to activate inflammasomes inside HSCs will then be described. We will also discuss the therapeutic potential of targeting inflammasomes and their components in some diseases through pharmacological or genetic strategies.
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23
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Najar M, Martel-Pelletier J, Pelletier JP, Fahmi H. Mesenchymal Stromal Cell Immunology for Efficient and Safe Treatment of Osteoarthritis. Front Cell Dev Biol 2020; 8:567813. [PMID: 33072752 PMCID: PMC7536322 DOI: 10.3389/fcell.2020.567813] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2020] [Accepted: 08/24/2020] [Indexed: 12/11/2022] Open
Abstract
Mesenchymal stem cell (MSC) therapy represents a promising approach for the treatment of osteoarthritis (OA). MSCs can be readily isolated from multiple sources and expanded ex vivo for possible clinical application. They possess a unique immunological profile and regulatory machinery that underline their therapeutic effects. They also have the capacity to sense the changes within the tissue environment to display the adequate response. Indeed, there is a close interaction between MSCs and the host cells. Accordingly, MSCs demonstrate encouraging results for a variety of diseases including OA. However, their effectiveness needs to be improved. In this review, we selected to discuss the importance of the immunological features of MSCs, including the type of transplantation and the immune and blood compatibility. It is important to consider MSC immune evasive rather than immune privileged. We also highlighted some of the actions/mechanisms that are displayed during tissue healing including the response of MSCs to injury signals, their interaction with the immune system, and the impact of their lifespan. Finally, we briefly summarized the results of clinical studies reporting on the application of MSCs for the treatment of OA. The research field of MSCs is inspiring and innovative but requires more knowledge about the immunobiological properties of these cells. A better understanding of these features will be key for developing a safe and efficient medicinal product for clinical use in OA.
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Affiliation(s)
- Mehdi Najar
- Osteoarthritis Research Unit, University of Montreal Hospital Research Center, Department of Medicine, University of Montreal, Montreal, QC, Canada
| | - Johanne Martel-Pelletier
- Osteoarthritis Research Unit, University of Montreal Hospital Research Center, Department of Medicine, University of Montreal, Montreal, QC, Canada
| | - Jean-Pierre Pelletier
- Osteoarthritis Research Unit, University of Montreal Hospital Research Center, Department of Medicine, University of Montreal, Montreal, QC, Canada
| | - Hassan Fahmi
- Osteoarthritis Research Unit, University of Montreal Hospital Research Center, Department of Medicine, University of Montreal, Montreal, QC, Canada
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24
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Kortekaas KE, Santegoets SJ, Sturm G, Ehsan I, van Egmond SL, Finotello F, Trajanoski Z, Welters MJP, van Poelgeest MIE, van der Burg SH. CD39 Identifies the CD4 + Tumor-Specific T-cell Population in Human Cancer. Cancer Immunol Res 2020; 8:1311-1321. [PMID: 32759363 DOI: 10.1158/2326-6066.cir-20-0270] [Citation(s) in RCA: 81] [Impact Index Per Article: 20.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2020] [Revised: 06/04/2020] [Accepted: 08/03/2020] [Indexed: 11/16/2022]
Abstract
The accumulation of tumor-specific CD4+ and CD8+ effector T cells is key to an effective antitumor response. Locally, CD4+ T cells promote the recruitment and effector function of tumor-specific CD8+ T cells and activate innate killer cells in the tumor. Here, we show that tumor-specific CD4+ T cells were predominantly present in the CD39+ subset of tumor-infiltrating lymphocytes (TIL). The CD39+ CD4+ and CD8+ TILs were detected in three different tumor types, and displayed an activated (PD-1+, HLA-DR+) effector memory phenotype. CD4+CD39+ single-cell RNA-sequenced TILs shared similar well-known activation, tissue residency, and effector cell-associated genes with CD8+CD39+CD103+ TILs. Finally, analysis of directly ex vivo cell-sorted and in vitro expanded pure populations of CD39-positive and negative CD4+ and CD8+ TILs revealed that tumor-specific antigen reactivity was almost exclusively detected among CD39+ cells. Immunotherapy of cancer is based on the activation of tumor-reactive CD4+ and CD8+ T cells. We show that the expression of CD39 can be used to identify, isolate, and expand tumor-reactive T-cell populations in cancers.
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Affiliation(s)
- Kim E Kortekaas
- Department of Gynecology, Leiden University Medical Center, Leiden, the Netherlands
| | - Saskia J Santegoets
- Department of Medical Oncology, Oncode Institute, Leiden University Medical Center, Leiden, the Netherlands
| | - Gregor Sturm
- Institute of Bioinformatics, Biocenter, Medical University of Innsbruck, Innsbruck, Austria
| | - Ilina Ehsan
- Department of Medical Oncology, Oncode Institute, Leiden University Medical Center, Leiden, the Netherlands
| | - Sylvia L van Egmond
- Department of Otolaryngology and Head and Neck Surgery, Leiden University Medical Center, Leiden, the Netherlands
| | - Francesca Finotello
- Institute of Bioinformatics, Biocenter, Medical University of Innsbruck, Innsbruck, Austria
| | - Zlatko Trajanoski
- Institute of Bioinformatics, Biocenter, Medical University of Innsbruck, Innsbruck, Austria
| | - Marij J P Welters
- Department of Medical Oncology, Oncode Institute, Leiden University Medical Center, Leiden, the Netherlands
| | | | - Sjoerd H van der Burg
- Department of Medical Oncology, Oncode Institute, Leiden University Medical Center, Leiden, the Netherlands.
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25
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Extracellular Adenine Nucleotides and Adenosine Modulate the Growth and Survival of THP-1 Leukemia Cells. Int J Mol Sci 2020; 21:ijms21124425. [PMID: 32580317 PMCID: PMC7352165 DOI: 10.3390/ijms21124425] [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: 05/31/2020] [Revised: 06/19/2020] [Accepted: 06/20/2020] [Indexed: 12/26/2022] Open
Abstract
A new approach to improve the effectiveness of acute myeloid leukemia (AML) treatment is to use the properties of purinergic signaling molecules secreted into the bone marrow milieu in response to leukemic cell growth. Therefore, our study aimed to evaluate the effects of extracellular adenine nucleotides and adenosine on the growth and death parameters in the leukemic THP-1 cell line. Cells were exposed to ATP, ADP, AMP, adenosine and nonhydrolyzable analogues of ATP and ADP (ATPγS and ADPβS) in a 1–1000 μM broad concentration range. The basal mRNA expression of the P1 and P2 receptors was evaluated by real-time PCR. Changes in the processes of cell growth and death were assessed by flow cytometry analysis of proliferation, cell cycle and apoptosis. Chemotaxis toward stromal cell-derived factor-1 (SDF-1) was performed using the modified Boyden chamber assay, and chemokine receptor type 4 (CXCR4) surface expression was quantified by flow cytometry. We indicated several antileukemic actions. High micromolar concentrations (100–1000 μM) of extracellular adenine nucleotides and adenosine inhibit the growth of cells by arresting the cell cycle and/or inducing apoptosis. ATP is characterized by the highest potency and widest range of effects, and is responsible for the cell cycle arrest and the apoptosis induction. Compared to ATP, the effect of ADP is slightly weaker. Adenosine mostly has a cytotoxic effect, with the induction of apoptosis. The last studied nucleotide, AMP, demonstrated only a weak cytotoxic effect without affecting the cell cycle. In addition, cell migration towards SDF-1 was inhibited by low micromolar concentrations (10 μM). One of the reasons for this action of ATPγS and adenosine was a reduction in CXCR4 surface expression, but this only partially explains the mechanism of antimigratory action. In summary, extracellular adenine nucleotides and adenosine inhibit THP-1 cell growth, cause death of cells and modulate the functioning of the SDF-1/CXCR4 axis. Thus, they negatively affect the processes that are responsible for the progression of AML and the difficulties in AML treatment.
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26
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Innate immunity orchestrates the mobilization and homing of hematopoietic stem/progenitor cells by engaging purinergic signaling-an update. Purinergic Signal 2020; 16:153-166. [PMID: 32415576 DOI: 10.1007/s11302-020-09698-y] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2020] [Accepted: 03/30/2020] [Indexed: 02/07/2023] Open
Abstract
Bone marrow (BM) as an active hematopoietic organ is highly sensitive to changes in body microenvironments and responds to external physical stimuli from the surrounding environment. In particular, BM tissue responds to several cues related to infections, strenuous exercise, tissue/organ damage, circadian rhythms, and physical challenges such as irradiation. These multiple stimuli affect BM cells to a large degree through a coordinated response of the innate immunity network as an important guardian for maintaining homeostasis of the body. In this review, we will foc++us on the role of purinergic signaling and innate immunity in the trafficking of hematopoietic stem/progenitor cells (HSPCs) during their egression from the BM into peripheral blood (PB), as seen along pharmacological mobilization, and in the process of homing and subsequent engraftment into BM after hematopoietic transplantation. Innate immunity mediates these processes by engaging, in addition to certain peptide-based factors, other important non-peptide mediators, including bioactive phosphosphingolipids and extracellular nucleotides, as the main topic of this review. Elucidation of these mechanisms will allow development of more efficient stem cell mobilization protocols to harvest the required number of HSPCs for transplantation and to accelerate hematopoietic reconstitution in transplanted patients.
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27
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The Nlrp3 inflammasome as a "rising star" in studies of normal and malignant hematopoiesis. Leukemia 2020; 34:1512-1523. [PMID: 32313108 PMCID: PMC7266743 DOI: 10.1038/s41375-020-0827-8] [Citation(s) in RCA: 68] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2020] [Revised: 03/26/2020] [Accepted: 03/31/2020] [Indexed: 02/08/2023]
Abstract
Recent investigations indicate that hematopoiesis is coregulated by innate immunity signals and by pathways characteristic of the activation of innate immunity cells that also operate in normal hematopoietic stem progenitor cells (HSPCs). This should not be surprising because of the common developmental origin of these cells from a hemato/lymphopoietic stem cell. An important integrating factor is the Nlrp3 inflammasome, which has emerged as a major sensor of changes in body microenvironments, cell activation, and cell metabolic activity. It is currently the best-studied member of the inflammasome family expressed in hematopoietic and lymphopoietic cells, including also HSPCs. It is proposed as playing a role in (i) the development and expansion of HSPCs, (ii) their release from bone marrow (BM) into peripheral blood (PB) in stress situations and during pharmacological mobilization, (iii) their homing to BM after transplantation, and (iv) their aging and the regulation of hematopoietic cell metabolism. The Nlrp3 inflammasome is also involved in certain hematological pathologies, including (i) myelodysplastic syndrome, (ii) myeloproliferative neoplasms, (iii) leukemia, and (iv) graft-versus-host disease (GvHD) after transplantation. The aim of this review is to shed more light on this intriguing intracellular protein complex that has become a “rising star” in studies focused on both normal steady-state and pathological hematopoiesis.
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28
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Filippin KJ, de Souza KFS, de Araujo Júnior RT, Torquato HFV, Dias DA, Parisotto EB, Ferreira AT, Paredes-Gamero EJ. Involvement of P2 receptors in hematopoiesis and hematopoietic disorders, and as pharmacological targets. Purinergic Signal 2020; 16:1-15. [PMID: 31863258 PMCID: PMC7166233 DOI: 10.1007/s11302-019-09684-z] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2019] [Accepted: 11/12/2019] [Indexed: 12/11/2022] Open
Abstract
Several reports have shown the presence of P2 receptors in hematopoietic stem cells (HSCs). These receptors are activated by extracellular nucleotides released from different sources. In the hematopoietic niche, the release of purines and pyrimidines in the milieu by lytic and nonlytic mechanisms has been described. The expression of P2 receptors from HSCs until maturity is still intriguing scientists. Several reports have shown the participation of P2 receptors in events associated with modulation of the immune system, but their participation in other physiological processes is under investigation. The presence of P2 receptors in HSCs and their ability to modulate this population have awakened interest in exploring the involvement of P2 receptors in hematopoiesis and their participation in hematopoietic disorders. Among the P2 receptors, the receptor P2X7 is of particular interest, because of its different roles in hematopoietic cells (e.g., infection, inflammation, cell death and survival, leukemias and lymphomas), making the P2X7 receptor a promising pharmacological target. Additionally, the role of P2Y12 receptor in platelet activation has been well-documented and is the main example of the importance of the pharmacological modulation of P2 receptor activity. In this review, we focus on the role of P2 receptors in the hematopoietic system, addressing these receptors as potential pharmacological targets.
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Affiliation(s)
- Kelly Juliana Filippin
- Faculdade de Ciências Farmacêuticas, Alimentos e Nutrição, Universidade Federal de Mato Grosso do Sul, Campo Grande, MS, 79070-900, Brazil
| | - Kamylla F S de Souza
- Departamento de Bioquímica, Universidade Federal de São Paulo, R. Três de Maio 100, São Paulo, SP, 04044-020, Brazil
| | | | - Heron Fernandes Vieira Torquato
- Departamento de Bioquímica, Universidade Federal de São Paulo, R. Três de Maio 100, São Paulo, SP, 04044-020, Brazil
- Universidade Braz Cubas, Av. Francisco Rodrigues Filho 1233, Mogi das Cruzes, SP, 08773-380, Brazil
| | - Dhébora Albuquerque Dias
- Faculdade de Ciências Farmacêuticas, Alimentos e Nutrição, Universidade Federal de Mato Grosso do Sul, Campo Grande, MS, 79070-900, Brazil
| | - Eduardo Benedetti Parisotto
- Faculdade de Ciências Farmacêuticas, Alimentos e Nutrição, Universidade Federal de Mato Grosso do Sul, Campo Grande, MS, 79070-900, Brazil
| | - Alice Teixeira Ferreira
- Departamento de Biofísica, Universidade Federal de São Paulo, R. Botucatu 862, São Paulo, SP, 04023-062, Brazil.
- Faculdade de Ciências Farmacêuticas, Alimentos e Nutrição (FACFAN), Laboratório de Biologia Molecular e Culturas Celulares, Av. Costa e Silva, s/n Bairro Universitário, Campo Grande, MS, CEP: 79070-900, Brazil.
| | - Edgar J Paredes-Gamero
- Faculdade de Ciências Farmacêuticas, Alimentos e Nutrição, Universidade Federal de Mato Grosso do Sul, Campo Grande, MS, 79070-900, Brazil.
- Departamento de Bioquímica, Universidade Federal de São Paulo, R. Três de Maio 100, São Paulo, SP, 04044-020, Brazil.
- Faculdade de Ciências Farmacêuticas, Alimentos e Nutrição (FACFAN), Laboratório de Biologia Molecular e Culturas Celulares, Av. Costa e Silva, s/n Bairro Universitário, Campo Grande, MS, CEP: 79070-900, Brazil.
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29
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Gouravani M, Khalili N, Razi S, Keshavarz-Fathi M, Khalili N, Rezaei N. The NLRP3 inflammasome: a therapeutic target for inflammation-associated cancers. Expert Rev Clin Immunol 2020; 16:175-187. [PMID: 31928260 DOI: 10.1080/1744666x.2020.1713755] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Introduction: Inflammasomes are large multimeric intracellular complexes that are capable of maturation and secretion of pro-inflammatory cytokines, IL-1β and IL-18, in response to danger signal molecules. As a member of the inflammasome family, the NLRP3 inflammasome has recently been under intense investigation revealing its possible role in several human diseases especially cancers.Areas covered: In this review, we will discuss the biology and mechanism of NLRP3 inflammasome activation, its role in specific types of tumors and the novel therapeutic modalities targeting this complex.Expert opinion: The NLRP3 inflammasome and its components including the adapter apoptosis-associated speck-like (ASC) protein and caspase-1 impose different and sometimes contrasting effects in tumorigenesis depending on various contexts. Considering the novel role of this complex in the initiation and progression of neoplasia, the NLRP3 inflammasome and its pathways provide desirable therapeutic targets for prevention, treatment, and prognosis of certain types of cancer. To date, several agents have been introduced for this purpose, some of which have shown promising results in the clinic.
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Affiliation(s)
- Mahdi Gouravani
- Cancer Immunology Project (CIP), Universal Scientific Education and Research Network (USERN), Tehran, Iran.,Students' Scientific Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Nastaran Khalili
- Cancer Immunology Project (CIP), Universal Scientific Education and Research Network (USERN), Tehran, Iran.,School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Sepideh Razi
- Cancer Immunology Project (CIP), Universal Scientific Education and Research Network (USERN), Tehran, Iran.,Student Research Committee, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Mahsa Keshavarz-Fathi
- Cancer Immunology Project (CIP), Universal Scientific Education and Research Network (USERN), Tehran, Iran.,School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Neda Khalili
- Cancer Immunology Project (CIP), Universal Scientific Education and Research Network (USERN), Tehran, Iran.,School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Nima Rezaei
- Research Center for Immunodeficiencies, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran.,Department of Immunology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran.,Cancer Immunology Project (CIP), Universal Scientific Education and Research Network (USERN), Sheffield, UK
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