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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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Guo W, Wang Y, Qi G, Wang J, Ren J, Jin Y, Wang E. Dual-signal readout sensing of ATP content in single dental pulp stem cells during differentiation via functionalized glass nanopipettes. Anal Chim Acta 2024; 1293:342200. [PMID: 38331549 DOI: 10.1016/j.aca.2024.342200] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Revised: 12/24/2023] [Accepted: 01/01/2024] [Indexed: 02/10/2024]
Abstract
Adenosine triphosphate (ATP) is regarded as the "energy currency" in living cells, so real-time quantification of content variation of intracellular ATP is highly desired for understanding some important physiological processes. Due to its single-molecule readout ability, nanopipette sensing has emerged as a powerful technique for molecular sensing. In this study, based on the effect of targeting-aptamer binding on ionic current, and fluorescence resonance energy transfer (FRET), we reported a dual-signal readout nanopipette sensing system for monitoring ATP content variation at the subcellular level. In the presence of ATP, the complementary DNA-modified gold nanoparticles (cDNAs-AuNPs) were released from the inner wall of the nanopipette, which leads to sensitive response variations in ionic current rectification and fluorescence intensity. The developed nanopipette sensor was capable of detecting ATP in single cells, and the fluctuation of ATP content in the differentiation of dental pulp stem cells (DPSCs) was further quantified with this method. The study provides a more reliable nanopipette sensing platform due to the introduction of fluorescence readout signals. Significantly, the study of energy fluctuation during cell differentiation from the perspective of energy metabolism is helpful for differentiation regulation and cell therapy.
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Affiliation(s)
- Wenting Guo
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, China; School of Applied Chemistry and Engineering, University of Science and Technology of China, Hefei, 230026, China
| | - Yong Wang
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, China; School of Applied Chemistry and Engineering, University of Science and Technology of China, Hefei, 230026, China
| | - Guohua Qi
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, China
| | - Jiafeng Wang
- Department of Endodontics, School and Hospital of Stomatology, Jilin University, Changchun, 130021, Jilin, China
| | - Jiangtao Ren
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, China
| | - Yongdong Jin
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, China; School of Applied Chemistry and Engineering, University of Science and Technology of China, Hefei, 230026, China; Guangdong Key Laboratory of Biomedical Measurements and Ultrasound Imaging, School of Biomedical Engineering, Shenzhen University Medical School, Shenzhen University, Shenzhen, 518060, China.
| | - Erkang Wang
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, China; School of Applied Chemistry and Engineering, University of Science and Technology of China, Hefei, 230026, China
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3
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Nuñez-Rios JD, Ulrich H, Díaz-Muñoz M, Lameu C, Vázquez-Cuevas FG. Purinergic system in cancer stem cells. Purinergic Signal 2023:10.1007/s11302-023-09976-5. [PMID: 37966629 DOI: 10.1007/s11302-023-09976-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2023] [Accepted: 10/25/2023] [Indexed: 11/16/2023] Open
Abstract
Accumulating evidence supports the idea that cancer stem cells (CSCs) are those with the capacity to initiate tumors, generate phenotypical diversity, sustain growth, confer drug resistance, and orchestrate the spread of tumor cells. It is still controversial whether CSCs originate from normal stem cells residing in the tissue or cancer cells from the tumor bulk that have dedifferentiated to acquire stem-like characteristics. Although CSCs have been pointed out as key drivers in cancer, knowledge regarding their physiology is still blurry; thus, research focusing on CSCs is essential to designing novel and more effective therapeutics. The purinergic system has emerged as an important autocrine-paracrine messenger system with a prominent role at multiple levels of the tumor microenvironment, where it regulates cellular aspects of the tumors themselves and the stromal and immune systems. Recent findings have shown that purinergic signaling also participates in regulating the CSC phenotype. Here, we discuss updated information regarding CSCs in the purinergic system and present evidence supporting the idea that elements of the purinergic system expressed by this subpopulation of the tumor represent attractive pharmacological targets for proposing innovative anti-cancer therapies.
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Affiliation(s)
- J D Nuñez-Rios
- Departamento de Neurobiología Celular y Molecular, Instituto de Neurobiología, Universidad Nacional Autónoma de México (UNAM), Boulevard Juriquilla #3001, Juriquilla Querétaro, Querétaro, CP 76230, México
| | - H Ulrich
- Department of Biochemistry, Chemistry Institute, University of São Paulo (USP), São Paulo, Brazil
| | - M Díaz-Muñoz
- Departamento de Neurobiología Celular y Molecular, Instituto de Neurobiología, Universidad Nacional Autónoma de México (UNAM), Boulevard Juriquilla #3001, Juriquilla Querétaro, Querétaro, CP 76230, México
| | - C Lameu
- Department of Biochemistry, Chemistry Institute, University of São Paulo (USP), São Paulo, Brazil
| | - F G Vázquez-Cuevas
- Departamento de Neurobiología Celular y Molecular, Instituto de Neurobiología, Universidad Nacional Autónoma de México (UNAM), Boulevard Juriquilla #3001, Juriquilla Querétaro, Querétaro, CP 76230, México.
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Hou M, Leng Y, Shi Y, Tan Z, Min X. Astragalus membranaceus as a Drug Candidate for Inflammatory Bowel Disease: The Preclinical Evidence. THE AMERICAN JOURNAL OF CHINESE MEDICINE 2023; 51:1501-1526. [PMID: 37530507 DOI: 10.1142/s0192415x23500684] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/03/2023]
Abstract
Inflammatory bowel disease (IBD) is a group of chronic inflammatory disorders that include Crohn's disease (CD) and ulcerative colitis (UC). Today, IBD has no successful treatment. As a result, it is of paramount importance to develop novel therapeutic agents for IBD prevention and treatment. Astragalus membranaceus (AMS) is a traditional Chinese medicine found in the AMS root. Modern pharmacological studies indicate that AMS and its constituents exhibit multiple bioactivities, such as anti-inflammatory, anti-oxidant, immune regulatory, anticancer, hypolipidemic, hypoglycemic, hepatoprotective, expectorant, and diuretic effects. AMS and its active constituents, which have been reported to be effective in IBD treatment, are believed to be viable candidate drugs for IBD treatment. These underlying mechanisms are associated with anti-inflammation, anti-oxidation, immunomodulation, intestinal epithelial repair, gut microbiota homeostasis, and improved energy metabolism. In this review, we summarize the efficacy and underlying mechanisms involved in IBD treatment with AMS and its active constituents in preclinical studies.
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Affiliation(s)
- Min Hou
- The First Clinical Medical College, Lanzhou University, Lanzhou 730000, P. R. China
| | - Yufang Leng
- The First Clinical Medical College, Lanzhou University, Lanzhou 730000, P. R. China
- Department of Anesthesiology, The First Hospital of Lanzhou University, Lanzhou 730000, P. R. China
| | - Yajing Shi
- The First Clinical Medical College, Lanzhou University, Lanzhou 730000, P. R. China
| | - Zhiguo Tan
- The First Clinical Medical College, Lanzhou University, Lanzhou 730000, P. R. China
| | - Xiangzhen Min
- Department of Anesthesiology, The First Hospital of Lanzhou University, Lanzhou 730000, P. R. China
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Santos EW, Dias CC, Fock RA, Paredes-Gamero EJ, Zheng YM, Wang YX, Borelli P. Protein restriction impairs the response activation/responsivity of MAPK signaling pathway of hematopoietic stem cells. Nutr Res 2023; 116:12-23. [PMID: 37320947 DOI: 10.1016/j.nutres.2023.05.006] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Revised: 05/11/2023] [Accepted: 05/20/2023] [Indexed: 06/17/2023]
Abstract
Protein restriction (PR) leads to bone marrow hypoplasia with changes in stromal cellularity components of the extracellular matrix in hematopoietic stem cells (HSCs). However, the underlying signaling mechanisms are poorly understood. We hypothesize that PR impairs the HSC mitogen-activated protein kinase (MAPK) signaling pathway response activation. Our aim is to evaluate the activation of MAPK and interleukin-3 (IL-3) proteins in HSC to explain PR-induced bone marrow hypoplasia, which causes altered proliferation and differentiation. C57BL/6 male mice were subjected to a low-protein diet (2% protein) or normoproteic (12% protein). PKC, PLCγ2, CaMKII, AKT, STAT3/5, ERK1/2, JNK, and p38d phosphorylation were evaluated by flow cytometry, and GATA1/2, PU.1, C/EBPα, NF-E2, and Ikz-3 genes (mRNAs) assessed by quantitative real-time-polymerase chain reaction. Pathway proteins, such as PLCγ2, JAK2, STAT3/5, PKC, and RAS do not respond to the IL-3 stimulus in PR, leading to lower activation of ERK1/2 and Ca2+ signaling pathways, consequently lowering the production of hematopoietic transcription factors. Colony forming units granulocyte-macrophage and colony forming units macrophage formation are impaired in PR even after being stimulated with IL-3. Long-term hematopoietic stem cells, short-term hematopoietic stem cells, granulocyte myeloid progenitor, and megakaryocyte-erythroid progenitor cells were significantly reduced in PR animals. This study shows for the first time that activation of MAPK pathway key proteins in HSCs is impaired in cases of PR. Several pathway proteins, such as PLCγ2, JAK2, STAT3, PKC, and RAS do not respond to IL-3 stimulation, leading to lower activation of extracellular signal-regulated protein kinase 1/2 and consequently lower production of hematopoietic transcription factors GATA1/2, PU.1, C/EBPa, NF-E2, and Ikz3. These changes result in a reduction in colony-forming units, proliferation, and differentiation, leading to hypocellularity.
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Affiliation(s)
- Ed Wilson Santos
- Department of Molecular and Cellular Physiology, Albany Medical College, NY, USA; Experimental Hematology Laboratory, Department of Clinical e Toxicological Analyses, Faculty of Pharmaceutical Sciences, University of Sao Paulo, Sao Paulo, Brazil.
| | - Carolina Carvalho Dias
- Experimental Hematology Laboratory, Department of Clinical e Toxicological Analyses, Faculty of Pharmaceutical Sciences, University of Sao Paulo, Sao Paulo, Brazil.
| | - Ricardo Ambrósio Fock
- Experimental Hematology Laboratory, Department of Clinical e Toxicological Analyses, Faculty of Pharmaceutical Sciences, University of Sao Paulo, Sao Paulo, Brazil.
| | - Edgar Julian Paredes-Gamero
- Faculty of Pharmaceutical Sciences, Food and Nutrition (FACFAN), Federal University of Mato Grosso do Sul, 79070-900, Campo Grande, Mato Grosso do Sul, Brazil.
| | - Yun-Min Zheng
- Department of Molecular and Cellular Physiology, Albany Medical College, NY, USA.
| | - Yong-Xiao Wang
- Department of Molecular and Cellular Physiology, Albany Medical College, NY, USA.
| | - Primavera Borelli
- Experimental Hematology Laboratory, Department of Clinical e Toxicological Analyses, Faculty of Pharmaceutical Sciences, University of Sao Paulo, Sao Paulo, Brazil.
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Huang H, He YM, Lin MM, Wang Y, Zhang X, Liang L, He X. P2X7Rs: new therapeutic targets for osteoporosis. Purinergic Signal 2023; 19:207-219. [PMID: 35106736 PMCID: PMC9984661 DOI: 10.1007/s11302-021-09836-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Accepted: 12/17/2021] [Indexed: 02/05/2023] Open
Abstract
Increasing evidence suggests that both the occurrence and progression of osteoporosis are associated with inflammation, especially in primary osteoporosis. The maintenance of skeletal homeostasis is dependent on the complex regulation of bone metabolism. Numerous evidence suggested that purinoceptor networks are essential for bone homeostasis. In this review, the relationship between inflammation and the development of osteoporosis and the role of P2X7 receptor (P2X7R) in regulating the dynamic regulation of bone reconstruction were covered. We also discussed how P2X7R regulates the balance between resorption and bone formation by osteoblasts and reviewed the relevance of P2X7R polymorphisms in skeletal physiology. Finally, we analyzed potential targets of P2X7R for osteoporosis.
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Affiliation(s)
- Haoyun Huang
- Clinical Medical School, Chengdu University of Traditional Chinese Medicine, Chengdu, 610072, China
| | - Yu-Mei He
- School of Sports Medicine and Health, Chengdu Sports University, Chengdu, 610041, China
| | - Miao-Miao Lin
- School of Sports Medicine and Health, Chengdu Sports University, Chengdu, 610041, China
| | - Yanchao Wang
- Department of Neurosurgery, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Xiaomei Zhang
- Laboratory Animal Center of Sichuan University, Chengdu, 610041, China
| | - Li Liang
- Institute of Biomedical Engineering, West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu, 610041, China
| | - Xueling He
- Laboratory Animal Center of Sichuan University, Chengdu, 610041, China.
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Bone Metastasis of Breast Cancer: Molecular Mechanisms and Therapeutic Strategies. Cancers (Basel) 2022; 14:cancers14235727. [PMID: 36497209 PMCID: PMC9738274 DOI: 10.3390/cancers14235727] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Revised: 11/07/2022] [Accepted: 11/17/2022] [Indexed: 11/24/2022] Open
Abstract
Bone metastasis is a common complication of many types of advanced cancer, including breast cancer. Bone metastasis may cause severe pain, fractures, and hypercalcemia, rendering clinical management challenging and substantially reducing the quality of life and overall survival (OS) time of breast cancer patients. Studies have revealed that bone metastasis is related to interactions between tumor cells and the bone microenvironment, and involves complex molecular biological mechanisms, including colonization, osteolytic destruction, and an immunosuppressive bone microenvironment. Agents inhibiting bone metastasis (such as bisphosphate and denosumab) alleviate bone destruction and improve the quality of life of breast cancer patients with bone metastasis. However, the prognosis of these patients remains poor, and the specific biological mechanism of bone metastasis is incompletely understood. Additional basic and clinical studies are urgently needed, to further explore the mechanism of bone metastasis and develop new therapeutic drugs. This review presents a summary of the molecular mechanisms and therapeutic strategies of bone metastasis of breast cancer, aiming to improve the quality of life and prognosis of breast cancer patients and provide a reference for future research directions.
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Bonora M, Kahsay A, Pinton P. Mitochondrial calcium homeostasis in hematopoietic stem cell: Molecular regulation of quiescence, function, and differentiation. INTERNATIONAL REVIEW OF CELL AND MOLECULAR BIOLOGY 2022; 362:111-140. [PMID: 34253293 DOI: 10.1016/bs.ircmb.2021.05.003] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/11/2023]
Abstract
Hematopoiesis is based on the existence of hematopoietic stem cells (HSC) with the capacity to self-proliferate and self-renew or to differentiate into specialized cells. The hematopoietic niche is the essential microenvironment where stem cells reside and integrate various stimuli to determine their fate. Recent studies have identified niche containing high level of calcium (Ca2+) suggesting that HSCs are sensitive to Ca2+. This is a highly versatile and ubiquitous second messenger that regulates a wide variety of cellular functions. Advanced methods for measuring its concentrations, genetic experiments, cell fate tracing data, single-cell imaging, and transcriptomics studies provide information into its specific roles to integrate signaling into an array of mechanisms that determine HSC identity, lineage potential, maintenance, and self-renewal. Accumulating and contrasting evidence, are revealing Ca2+ as a previously unacknowledged feature of HSC, involved in functional maintenance, by regulating multiple actors including transcription and epigenetic factors, Ca2+-dependent kinases and mitochondrial physiology. Mitochondria are significant participants in HSC functions and their responsiveness to cellular demands is controlled to a significant extent via Ca2+ signals. Recent reports indicate that mitochondrial Ca2+ uptake also controls HSC fate. These observations reveal a physiological feature of hematopoietic stem cells that can be harnessed to improve HSC-related disease. In this review, we discuss the current knowledge Ca2+ in hematopoietic stem cell focusing on its potential involvement in proliferation, self-renewal and maintenance of HSC and discuss future research directions.
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Affiliation(s)
- Massimo Bonora
- Department of Medical Sciences, Section of Experimental Medicine, Laboratory for Technologies of Advanced Therapies (LTTA), University of Ferrara, Ferrara, Italy.
| | - Asrat Kahsay
- Department of Medical Sciences, Section of Experimental Medicine, Laboratory for Technologies of Advanced Therapies (LTTA), University of Ferrara, Ferrara, Italy
| | - Paolo Pinton
- Department of Medical Sciences, Section of Experimental Medicine, Laboratory for Technologies of Advanced Therapies (LTTA), University of Ferrara, Ferrara, Italy.
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Tung LT, Wang H, Belle JI, Petrov JC, Langlais D, Nijnik A. p53-dependent induction of P2X7 on hematopoietic stem and progenitor cells regulates hematopoietic response to genotoxic stress. Cell Death Dis 2021; 12:923. [PMID: 34625535 PMCID: PMC8501024 DOI: 10.1038/s41419-021-04202-9] [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: 04/26/2021] [Revised: 08/27/2021] [Accepted: 09/16/2021] [Indexed: 02/08/2023]
Abstract
Stem and progenitor cells are the main mediators of tissue renewal and repair, both under homeostatic conditions and in response to physiological stress and injury. Hematopoietic system is responsible for the regeneration of blood and immune cells and is maintained by bone marrow-resident hematopoietic stem and progenitor cells (HSPCs). Hematopoietic system is particularly susceptible to injury in response to genotoxic stress, resulting in the risk of bone marrow failure and secondary malignancies in cancer patients undergoing radiotherapy. Here we analyze the in vivo transcriptional response of HSPCs to genotoxic stress in a mouse whole-body irradiation model and, together with p53 ChIP-Seq and studies in p53-knockout (p53KO) mice, characterize the p53-dependent and p53-independent branches of this transcriptional response. Our work demonstrates the p53-independent induction of inflammatory transcriptional signatures in HSPCs in response to genotoxic stress and identifies multiple novel p53-target genes induced in HSPCs in response to whole-body irradiation. In particular, we establish the direct p53-mediated induction of P2X7 expression on HSCs and HSPCs in response to genotoxic stress. We further demonstrate the role of P2X7 in hematopoietic response to acute genotoxic stress, with P2X7 deficiency significantly extending mouse survival in irradiation-induced hematopoietic failure. We also demonstrate the role of P2X7 in the context of long-term HSC regenerative fitness following sublethal irradiation. Overall our studies provide important insights into the mechanisms of HSC response to genotoxic stress and further suggest P2X7 as a target for pharmacological modulation of HSC fitness and hematopoietic response to genotoxic injury.
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Affiliation(s)
- Lin Tze Tung
- Department of Physiology, McGill University, Montreal, QC, Canada
- McGill University Research Centre on Complex Traits, McGill University, Montreal, QC, Canada
| | - HanChen Wang
- Department of Physiology, McGill University, Montreal, QC, Canada
- McGill University Research Centre on Complex Traits, McGill University, Montreal, QC, Canada
- Department of Human Genetics, McGill University, Montreal, QC, Canada
| | - Jad I Belle
- Department of Physiology, McGill University, Montreal, QC, Canada
- McGill University Research Centre on Complex Traits, McGill University, Montreal, QC, Canada
| | - Jessica C Petrov
- Department of Physiology, McGill University, Montreal, QC, Canada
- McGill University Research Centre on Complex Traits, McGill University, Montreal, QC, Canada
| | - David Langlais
- McGill University Research Centre on Complex Traits, McGill University, Montreal, QC, Canada
- Department of Human Genetics, McGill University, Montreal, QC, Canada
- McGill University Genome Centre, McGill University, Montreal, QC, Canada
- Department of Microbiology and Immunology, McGill University, Montreal, QC, Canada
| | - Anastasia Nijnik
- Department of Physiology, McGill University, Montreal, QC, Canada.
- McGill University Research Centre on Complex Traits, McGill University, Montreal, QC, Canada.
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Cuthbertson P, Geraghty NJ, Adhikary SR, Bird KM, Fuller SJ, Watson D, Sluyter R. Purinergic Signalling in Allogeneic Haematopoietic Stem Cell Transplantation and Graft-versus-Host Disease. Int J Mol Sci 2021; 22:8343. [PMID: 34361109 PMCID: PMC8348324 DOI: 10.3390/ijms22158343] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Revised: 07/28/2021] [Accepted: 07/29/2021] [Indexed: 02/08/2023] Open
Abstract
Allogeneic haematopoietic stem cell transplantation (allo-HSCT) is a curative therapy for blood cancers and other haematological disorders. However, allo-HSCT leads to graft-versus-host disease (GVHD), a severe and often lethal immunological response, in the majority of transplant recipients. Current therapies for GVHD are limited and often reduce the effectiveness of allo-HSCT. Therefore, pro- and anti-inflammatory factors contributing to disease need to be explored in order to identify new treatment targets. Purinergic signalling plays important roles in haematopoiesis, inflammation and immunity, and recent evidence suggests that it can also affect haematopoietic stem cell transplantation and GVHD development. This review provides a detailed assessment of the emerging roles of purinergic receptors, most notably P2X7, P2Y2 and A2A receptors, and ectoenzymes, CD39 and CD73, in GVHD.
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Affiliation(s)
- Peter Cuthbertson
- Illawarra Health and Medical Research Institute, Wollongong, NSW 2522, Australia; (P.C.); (N.J.G.); (S.R.A.); (K.M.B.)
- Molecular Horizons and School of Chemistry and Molecular Bioscience, University of Wollongong, Wollongong, NSW 2522, Australia
| | - Nicholas J. Geraghty
- Illawarra Health and Medical Research Institute, Wollongong, NSW 2522, Australia; (P.C.); (N.J.G.); (S.R.A.); (K.M.B.)
- Molecular Horizons and School of Chemistry and Molecular Bioscience, University of Wollongong, Wollongong, NSW 2522, Australia
| | - Sam R. Adhikary
- Illawarra Health and Medical Research Institute, Wollongong, NSW 2522, Australia; (P.C.); (N.J.G.); (S.R.A.); (K.M.B.)
- Molecular Horizons and School of Chemistry and Molecular Bioscience, University of Wollongong, Wollongong, NSW 2522, Australia
| | - Katrina M. Bird
- Illawarra Health and Medical Research Institute, Wollongong, NSW 2522, Australia; (P.C.); (N.J.G.); (S.R.A.); (K.M.B.)
- Molecular Horizons and School of Chemistry and Molecular Bioscience, University of Wollongong, Wollongong, NSW 2522, Australia
| | - Stephen J. Fuller
- Sydney Medical School Nepean, University of Sydney, Nepean Hospital, Penrith, NSW 2747, Australia;
| | - Debbie Watson
- Illawarra Health and Medical Research Institute, Wollongong, NSW 2522, Australia; (P.C.); (N.J.G.); (S.R.A.); (K.M.B.)
- Molecular Horizons and School of Chemistry and Molecular Bioscience, University of Wollongong, Wollongong, NSW 2522, Australia
| | - Ronald Sluyter
- Illawarra Health and Medical Research Institute, Wollongong, NSW 2522, Australia; (P.C.); (N.J.G.); (S.R.A.); (K.M.B.)
- Molecular Horizons and School of Chemistry and Molecular Bioscience, University of Wollongong, Wollongong, NSW 2522, Australia
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11
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Costa MM, Stilhano RS, Oliveira CR, Barbosa CMV, Pereira GJS, Paredes-Gamero EJ, Nakaie CR, Smaili SS, Bincoletto C. Angiotensin II modulates the murine hematopoietic stem cell and progenitors cocultured with stromal S17 cells. Cell Biol Int 2021; 45:1459-1467. [PMID: 33675269 DOI: 10.1002/cbin.11584] [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] [Received: 06/12/2020] [Revised: 02/07/2021] [Accepted: 02/27/2021] [Indexed: 01/18/2023]
Abstract
Although the existence of the renin-angiotensin system (RAS) in the bone marrow is clear, the exact role of this system in hematopoiesis has not yet been fully characterized. Here the direct role of angiotensin II (AngII) in hematopoietic stem cells (HSCs), common myeloid progenitors (CMPs), granulocyte/monocyte progenitors (GMPs), and megakaryocytes/erythroid progenitors (MEPs), using a system of coculture with stromal S17 cells. Flow cytometry analysis showed that AngII increases the percentage of HSC and GMP, while reducing CMP with no effect on MEP. According to these data, AngII increased the total number of mature Gr-1+ /Mac-1+ cells without changes in Terr119+ cells. AngII does not induce cell death in the population of LSK cells. In these populations, treatment with AngII decreases the expression of Ki67+ protein with no changes in the Notch1 expression, suggesting a role for AngII on the quiescence of immature cells. In addition, exposure to AngII from murine bone marrow cells increased the number of CFU-GM and BFU-E in a clonogenic assay. In conclusion, our data showed that AngII is involved in the regulation of hematopoiesis with a special role in HSC, suggesting that AngII should be evaluated in coculture systems, especially in cases that require the expansion of these cells in vitro, still a significant challenge for therapeutic applications in humans.
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Affiliation(s)
- Maíra M Costa
- Departamento de Farmacologia, Escola Paulista de Medicina, Instituto Nacional de Farmacologia, Universidade Federal de São Paulo, São Paulo, São Paulo, Brazil
| | - Roberta S Stilhano
- Departamento de Biofísica, Centro de Terapia Celular e Molecular, Universidade Federal de São Paulo, São Paulo, São Paulo, Brazil
| | - Carlos R Oliveira
- Departamento de Farmacologia, Escola Paulista de Medicina, Instituto Nacional de Farmacologia, Universidade Federal de São Paulo, São Paulo, São Paulo, Brazil
| | - Chistiano M V Barbosa
- Departamento de Biofísica, Instituto Nacional de Farmacologia, Universidade Federal de São Paulo, São Paulo, São Paulo, Brazil
| | - Gustavo J S Pereira
- Departamento de Farmacologia, Escola Paulista de Medicina, Instituto Nacional de Farmacologia, Universidade Federal de São Paulo, São Paulo, São Paulo, Brazil
| | - Edgar J Paredes-Gamero
- Departamento de Bioquímica, Instituto Nacional de Farmacologia, Universidade Federal de São Paulo, São Paulo, São Paulo, Brazil.,Faculdade de Ciências Farmacêuticas, Alimentos e Nutrição, Universidade Federal de Mato Grosso do Sul, Campo Grande, Mato Grosso do Sul, Brazil
| | - Clovis R Nakaie
- Departamento de Biofísica, Instituto Nacional de Farmacologia, Universidade Federal de São Paulo, São Paulo, São Paulo, Brazil.,Departamento de Bioquímica, Instituto Nacional de Farmacologia, Universidade Federal de São Paulo, São Paulo, São Paulo, Brazil
| | - Soraya S Smaili
- Departamento de Farmacologia, Escola Paulista de Medicina, Instituto Nacional de Farmacologia, Universidade Federal de São Paulo, São Paulo, São Paulo, Brazil
| | - Claudia Bincoletto
- Departamento de Farmacologia, Escola Paulista de Medicina, Instituto Nacional de Farmacologia, Universidade Federal de São Paulo, São Paulo, São Paulo, Brazil
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12
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Estrela GR, Arruda AC, Torquato HFV, Freitas-Lima LC, Perilhão MS, Wasinski F, Budu A, Fock RA, Paredes-Gamero EJ, Araujo RC. Gemfibrozil Induces Anemia, Leukopenia and Reduces Hematopoietic Stem Cells via PPAR-α in Mice. Int J Mol Sci 2020; 21:ijms21145050. [PMID: 32708962 PMCID: PMC7403977 DOI: 10.3390/ijms21145050] [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: 06/09/2020] [Revised: 07/01/2020] [Accepted: 07/06/2020] [Indexed: 02/06/2023] Open
Abstract
Hypercholesterolemia, also called high cholesterol, is a form of hyperlipidemia, which may be a consequence of diet, obesity or diabetes. In addition, increased levels of low-density lipoprotein (LDL) and reduced levels of high-density lipoprotein (HDL) cholesterol are associated with a higher risk of atherosclerosis and coronary heart disease. Thus, controlling cholesterol levels is commonly necessary, and fibrates have been used as lipid-lowering drugs. Gemfibrozil is a fibrate that acts via peroxisome proliferator-activated receptor alpha to promote changes in lipid metabolism and decrease serum triglyceride levels. However, anemia and leukopenia are known side effects of gemfibrozil. Considering that gemfibrozil may lead to anemia and that gemfibrozil acts via peroxisome proliferator-activated receptor alpha, we treated wild-type and peroxisome proliferator-activated receptor alpha-knockout mice with gemfibrozil for four consecutive days. Gemfibrozil treatment led to anemia seven days after the first administration of the drug; we found reduced levels of hemoglobin, as well as red blood cells, white blood cells and a reduced percentage of hematocrits. PPAR-alpha-knockout mice were capable of reversing all of those reduced parameters induced by gemfibrozil treatment. Erythropoietin levels were increased in the serum of gemfibrozil-treated animals, and we also observed an increased expression of hypoxia-inducible factor-2 alpha (HIF-2α) and erythropoietin in renal tissue, while PPAR-alpha knockout mice treated with gemfibrozil did not present increased levels of serum erythropoietin or tissue HIF-2α and erythropoietin mRNA levels in the kidneys. We analyzed bone marrow and found that gemfibrozil reduced erythrocytes and hematopoietic stem cells in wild-type mice but not in PPAR-alpha-knockout mice, while increased colony-forming units were observed only in wild-type mice treated with gemfibrozil. Here, we show for the first time that gemfibrozil treatment leads to anemia and leukopenia via peroxisome proliferator-activated receptor alpha in mice.
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Affiliation(s)
- Gabriel Rufino Estrela
- Department of Clinical and Experimental Oncology, Discipline of Hematology and Hematotherapy, Federal University of São Paulo, São Paulo 04037002, Brazil
- Department of Medicine, Discipline of Nephrology, Federal University of São Paulo, São Paulo 04039032, Brazil; (A.C.A.); (M.S.P.)
- Correspondence: (G.R.E.); (R.C.A.); Tel.: +55-11-5576-4859 (R.C.A.)
| | - Adriano Cleis Arruda
- Department of Medicine, Discipline of Nephrology, Federal University of São Paulo, São Paulo 04039032, Brazil; (A.C.A.); (M.S.P.)
- Department of Biophysics, Federal University of São Paulo, São Paulo 04039032, Brazil; (L.C.F.-L.); (A.B.)
| | - Heron Fernandes Vieira Torquato
- Department of Biochemistry, Federal University of São Paulo, São Paulo 04044020, Brazil; (H.F.V.T.); (E.J.P.-G.)
- Faculty of Pharmacy, University Center Braz Cubas, Mogi das Cruzes 08773380, Brazil
| | | | - Mauro Sérgio Perilhão
- Department of Medicine, Discipline of Nephrology, Federal University of São Paulo, São Paulo 04039032, Brazil; (A.C.A.); (M.S.P.)
- Department of Biophysics, Federal University of São Paulo, São Paulo 04039032, Brazil; (L.C.F.-L.); (A.B.)
| | - Frederick Wasinski
- Department of Physiology, Institute of Biomedical Sciences, University of São Paulo, São Paulo 05508000, Brazil;
| | - Alexandre Budu
- Department of Biophysics, Federal University of São Paulo, São Paulo 04039032, Brazil; (L.C.F.-L.); (A.B.)
| | - Ricardo Ambrósio Fock
- Department of Clinical and Toxicological Analysis, School of Pharmaceutical Sciences, University of São Paulo, São Paulo 05508000, Brazil;
| | - Edgar Julian Paredes-Gamero
- Department of Biochemistry, Federal University of São Paulo, São Paulo 04044020, Brazil; (H.F.V.T.); (E.J.P.-G.)
- Faculty of Pharmaceutical, Sciences, Food and Nutrition, Federal University of Mato Grosso do Sul, Campo Grande, Mato Grosso do Sul 79070900, Brazil
| | - Ronaldo Carvalho Araujo
- Department of Medicine, Discipline of Nephrology, Federal University of São Paulo, São Paulo 04039032, Brazil; (A.C.A.); (M.S.P.)
- Department of Biophysics, Federal University of São Paulo, São Paulo 04039032, Brazil; (L.C.F.-L.); (A.B.)
- Correspondence: (G.R.E.); (R.C.A.); Tel.: +55-11-5576-4859 (R.C.A.)
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13
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Stokes L, Bidula S, Bibič L, Allum E. To Inhibit or Enhance? Is There a Benefit to Positive Allosteric Modulation of P2X Receptors? Front Pharmacol 2020; 11:627. [PMID: 32477120 PMCID: PMC7235284 DOI: 10.3389/fphar.2020.00627] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Accepted: 04/21/2020] [Indexed: 12/15/2022] Open
Abstract
The family of ligand-gated ion channels known as P2X receptors were discovered several decades ago. Since the cloning of the seven P2X receptors (P2X1-P2X7), a huge research effort has elucidated their roles in regulating a range of physiological and pathophysiological processes. Transgenic animals have been influential in understanding which P2X receptors could be new therapeutic targets for disease. Furthermore, understanding how inherited mutations can increase susceptibility to disorders and diseases has advanced this knowledge base. There has been an emphasis on the discovery and development of pharmacological tools to help dissect the individual roles of P2X receptors and the pharmaceutical industry has been involved in pushing forward clinical development of several lead compounds. During the discovery phase, a number of positive allosteric modulators have been described for P2X receptors and these have been useful in assigning physiological roles to receptors. This review will consider the major physiological roles of P2X1-P2X7 and discuss whether enhancement of P2X receptor activity would offer any therapeutic benefit. We will review what is known about identified compounds acting as positive allosteric modulators and the recent identification of drug binding pockets for such modulators.
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Affiliation(s)
- Leanne Stokes
- School of Pharmacy, University of East Anglia, Norwich, United Kingdom
| | - Stefan Bidula
- School of Pharmacy, University of East Anglia, Norwich, United Kingdom
| | - Lučka Bibič
- School of Pharmacy, University of East Anglia, Norwich, United Kingdom
| | - Elizabeth Allum
- School of Pharmacy, University of East Anglia, Norwich, United Kingdom
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14
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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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15
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Extracellular annexin-A1 promotes myeloid/granulocytic differentiation of hematopoietic stem/progenitor cells via the Ca 2+/MAPK signalling transduction pathway. Cell Death Discov 2019; 5:135. [PMID: 31552142 PMCID: PMC6755131 DOI: 10.1038/s41420-019-0215-1] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2019] [Revised: 07/19/2019] [Accepted: 08/24/2019] [Indexed: 12/14/2022] Open
Abstract
Annexin A1 (AnxA1) modulates neutrophil life span and bone marrow/blood cell trafficking thorough activation of formyl-peptide receptors (FPRs). Here, we investigated the effect of exogenous AnxA1 on haematopoiesis in the mouse. Treatment of C57BL/6 mice with recombinant AnxA1 (rAnxA1) reduced the granulocyte–macrophage progenitor (GMP) population in the bone marrow, enhanced the number of mature granulocytes Gr-1+Mac-1+ in the bone marrow as well as peripheral granulocytic neutrophils and increased expression of mitotic cyclin B1 on hematopoietic stem cells (HSCs)/progenitor cells (Lin−Sca-1+c-Kit+: LSK). These effects were abolished by simultaneous treatment with Boc-2, an FPR pan-antagonist. In in vitro studies, rAnxA1 reduced both HSC (LSKCD90lowFLK-2−) and GMP populations while enhancing mature cells (Gr1+Mac1+). Moreover, rAnxA1 induced LSK cell proliferation (Ki67+), increasing the percentage of cells in the S/G2/M cell cycle phases and reducing Notch-1 expression. Simultaneous treatment with WRW4, a selective FPR2 antagonist, reversed the in vitro effects elicited by rAnxA1. Treatment of LSK cells with rAnxA1 led to phosphorylation of PCLγ2, PKC, RAS, MEK, and ERK1/2 with increased expression of NFAT2. In long-term bone marrow cultures, rAnxA1 did not alter the percentage of LSK cells but enhanced the Gr-1+Mac-1+ population; treatment with a PLC (U73122), but not with a PKC (GF109203), inhibitor reduced rAnxA1-induced phosphorylation of ERK1/2 and Elk1. Therefore, we identify here rAnxA1 as an inducer of HSC/progenitor cell differentiation, favouring differentiation of the myeloid/granulocytic lineage, via Ca2+/MAPK signalling transduction pathways.
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16
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Vital WD, Torquato HFV, Jesus LDOP, Judice WADS, Silva MFDGFD, Rodrigues T, Justo GZ, Veiga TAM, Paredes-Gamero EJ. 4-Deoxyraputindole C induces cell death and cell cycle arrest in tumor cell lines. J Cell Biochem 2018; 120:9608-9623. [PMID: 30525230 DOI: 10.1002/jcb.28238] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2018] [Accepted: 11/15/2018] [Indexed: 11/12/2022]
Abstract
Several molecules extracted from natural products exhibit different biological activities, such as ion channel modulation, activation of signaling pathways, and anti-inflammatory or antitumor activity. In this study, we tested the antitumor ability of natural compounds extracted from the Raputia praetermissa plant. Among the compounds tested, an alkaloid, here called compound S4 (4-Deoxyraputindole C), showed antitumor effects against human tumor lineages. Compound S4 was the most active against Raji, a lymphoma lineage, promoting cell death with characteristics that including membrane permeabilization, dissipation of the mitochondrial potential, increased superoxide production, and lysosomal membrane permeabilization. The use of cell death inhibitors such as Z-VAD-FMK (caspase inhibitor), necrostatin-1 (receptor-interacting serine/threonine-protein kinase 1 inhibitor), E-64 (cysteine peptidases inhibitor), and N-acetyl- L-cysteine (antioxidant) did not decrease compound S4-dependent cell death. Additionally, we tested the effect of cellular activity on adherent human tumor cells. The highest reduction of cellular activity was observed in A549 cells, a lung carcinoma lineage. In this lineage, the effect on the reduction of the cellular activity was due to cell cycle arrest, without plasma membrane permeabilization, loss of the mitochondrial potential or lysosomal membrane permeabilization. Compound S4 was able to inhibit cathepsin B and L by a nonlinear competitive (negative co-operativity) and simple-linear competitive inhibitions, respectively. The potency of inhibition was higher against cathepsin L. Compound S4 promoted cell cycle arrest at G 0 and G 2 phase, and increase the expression of p16 and p21 proteins. In conclusion, compound S4 is an interesting molecule against cancer, promoting cell death in the human lymphoma lineage Raji and cell cycle arrest in the human lung carcinoma lineage A549.
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Affiliation(s)
- Wagner D Vital
- Centro Interdisciplinar de Investigação Bioquı́mica, Universidade de Mogi das Cruzes, Mogi das Cruzes, Brasil
| | - Heron F V Torquato
- Departamento de Bioquímica, Universidade Federal de São Paulo, Universidade Braz Cubas, São Paulo, Brazil
| | | | | | | | - Tiago Rodrigues
- Centro de Ciências Naturais e Humanas, Universidade Federal do ABC, Santo André, Brazil
| | | | - Thiago A M Veiga
- Departamento de Química, Universidade Federal de São Paulo, Diadema, Brazil
| | - Edgar J Paredes-Gamero
- Departamento de Bioquímica, Universidade Federal de São Paulo, Universidade Braz Cubas, São Paulo, Brazil.,Faculdade de Ciências Farmacêuticas, Alimentos e Nutrição, Universidade Federal de Mato Grosso do Sul, Mato Grosso do Sul, Brazil
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17
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Abstract
Micronutrients are indispensable for adequate metabolism, such as biochemical function and cell production. The production of blood cells is named haematopoiesis and this process is highly consuming due to the rapid turnover of the haematopoietic system and consequent demand for nutrients. It is well established that micronutrients are relevant to blood cell production, although some of the mechanisms of how micronutrients modulate haematopoiesis remain unknown. The aim of the present review is to summarise the effect of Fe, Mn, Ca, Mg, Na, K, Co, iodine, P, Se, Cu, Li and Zn on haematopoiesis. This review deals specifically with the physiological requirements of selected micronutrients to haematopoiesis, showing various studies related to the physiological requirements, deficiency or excess of these minerals on haematopoiesis. The literature selected includes studies in animal models and human subjects. In circumstances where these minerals have not been studied for a given condition, no information was used. All the selected minerals have an important role in haematopoiesis by influencing the quality and quantity of blood cell production. In addition, it is highly recommended that the established nutrition recommendations for these minerals be followed, because cases of excess or deficient mineral intake can affect the haematopoiesis process.
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18
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Jiang XG, Sun K, Liu YY, Yan L, Wang MX, Fan JY, Mu HN, Li C, Chen YY, Wang CS, Han JY. Astragaloside IV ameliorates 2,4,6-trinitrobenzene sulfonic acid (TNBS)-induced colitis implicating regulation of energy metabolism. Sci Rep 2017; 7:41832. [PMID: 28150820 PMCID: PMC5288804 DOI: 10.1038/srep41832] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2016] [Accepted: 12/28/2016] [Indexed: 02/07/2023] Open
Abstract
Dysfunction of energy metabolism is involved in inflammatory bowel disease (IBD). This study was designed to investigate the potential of astragaloside IV (ASIV), an active ingredient of Radix Astragalus, to ameliorate colonic mucosal injury, with focusing on the implication of energy restoration in the underlying mechanism. Experimental colitis model was established in rats by injecting 2,4,6-trinitrobenzene sulfonic acid (TNBS) through anus. After 24 hours, ASIV was administrated once daily by gavage for 6 days. On day 1 and day 7, colon tissue was collected for macroscopic and histological examination, ELISA, Western blot and immunohistochemical analysis. TNBS impaired colonic mucosa with an injured epithelial architecture, increased inflammatory cell infiltration, and decreased colonic blood flow. Lgr5 positive cell number in crypt and β-catenin nuclear translocation were down-regulated by TNBS treatment. TNBS induced epithelial F-actin disruption and junctional protein degradation. Furthermore, adenosine triphosphate (ATP) content and ATP synthase subunit β expression in the colon tissue were significantly decreased after TNBS stimulation. All of the aforementioned alterations were relieved by ASIV post-treatment. The present study revealed that ASIV promoted mucosal healing process in TNBS-induced colitis, which was most likely attributed to regulating energy metabolism.
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Affiliation(s)
- Xu-Guang Jiang
- Tasly Microcirculation Research Center, Peking University Health Science Center, Beijing, China.,Shandong college of Traditional Chinese Medicine, Yantai, Shandong, China
| | - Kai Sun
- Tasly Microcirculation Research Center, Peking University Health Science Center, Beijing, China.,Department of Integration of Chinese and Western Medicine, School of Basic Medical Sciences, Peking University, Beijing, China.,Key Laboratory of Microcirculation, State Administration of Traditional Chinese Medicine, Beijing 100191, China.,Key Laboratory of Stasis and Phlegm of State Administration of Traditional Chinese Medicine, Beijing 100191, China
| | - Yu-Ying Liu
- Tasly Microcirculation Research Center, Peking University Health Science Center, Beijing, China.,Key Laboratory of Microcirculation, State Administration of Traditional Chinese Medicine, Beijing 100191, China.,Key Laboratory of Stasis and Phlegm of State Administration of Traditional Chinese Medicine, Beijing 100191, China
| | - Li Yan
- Tasly Microcirculation Research Center, Peking University Health Science Center, Beijing, China.,Key Laboratory of Microcirculation, State Administration of Traditional Chinese Medicine, Beijing 100191, China.,Key Laboratory of Stasis and Phlegm of State Administration of Traditional Chinese Medicine, Beijing 100191, China
| | - Ming-Xia Wang
- Tasly Microcirculation Research Center, Peking University Health Science Center, Beijing, China.,Key Laboratory of Microcirculation, State Administration of Traditional Chinese Medicine, Beijing 100191, China.,Key Laboratory of Stasis and Phlegm of State Administration of Traditional Chinese Medicine, Beijing 100191, China
| | - Jing-Yu Fan
- Tasly Microcirculation Research Center, Peking University Health Science Center, Beijing, China.,Key Laboratory of Microcirculation, State Administration of Traditional Chinese Medicine, Beijing 100191, China.,Key Laboratory of Stasis and Phlegm of State Administration of Traditional Chinese Medicine, Beijing 100191, China
| | - Hong-Na Mu
- Tasly Microcirculation Research Center, Peking University Health Science Center, Beijing, China.,Key Laboratory of Microcirculation, State Administration of Traditional Chinese Medicine, Beijing 100191, China.,Key Laboratory of Stasis and Phlegm of State Administration of Traditional Chinese Medicine, Beijing 100191, China
| | - Chong Li
- Tasly Microcirculation Research Center, Peking University Health Science Center, Beijing, China.,Key Laboratory of Microcirculation, State Administration of Traditional Chinese Medicine, Beijing 100191, China.,Key Laboratory of Stasis and Phlegm of State Administration of Traditional Chinese Medicine, Beijing 100191, China
| | - Yuan-Yuan Chen
- Tasly Microcirculation Research Center, Peking University Health Science Center, Beijing, China.,Key Laboratory of Microcirculation, State Administration of Traditional Chinese Medicine, Beijing 100191, China.,Key Laboratory of Stasis and Phlegm of State Administration of Traditional Chinese Medicine, Beijing 100191, China
| | - Chuan-She Wang
- Tasly Microcirculation Research Center, Peking University Health Science Center, Beijing, China.,Department of Integration of Chinese and Western Medicine, School of Basic Medical Sciences, Peking University, Beijing, China.,Key Laboratory of Microcirculation, State Administration of Traditional Chinese Medicine, Beijing 100191, China.,Key Laboratory of Stasis and Phlegm of State Administration of Traditional Chinese Medicine, Beijing 100191, China
| | - Jing-Yan Han
- Tasly Microcirculation Research Center, Peking University Health Science Center, Beijing, China.,Department of Integration of Chinese and Western Medicine, School of Basic Medical Sciences, Peking University, Beijing, China.,Key Laboratory of Microcirculation, State Administration of Traditional Chinese Medicine, Beijing 100191, China.,Key Laboratory of Stasis and Phlegm of State Administration of Traditional Chinese Medicine, Beijing 100191, China
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19
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Vieira Torquato HF, Ribeiro-Filho AC, Buri MV, Araújo Júnior RT, Pimenta R, de Oliveira JSR, Filho VC, Macho A, Paredes-Gamero EJ, de Oliveira Martins DT. Canthin-6-one induces cell death, cell cycle arrest and differentiation in human myeloid leukemia cells. Biochim Biophys Acta Gen Subj 2017; 1861:958-967. [PMID: 28161479 DOI: 10.1016/j.bbagen.2017.01.033] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2016] [Revised: 01/18/2017] [Accepted: 01/30/2017] [Indexed: 02/06/2023]
Abstract
BACKGROUND Canthin-6-one is a natural product isolated from various plant genera and from fungi with potential antitumor activity. In the present study, we evaluate the antitumor effects of canthin-6-one in human myeloid leukemia lineages. METHODS Kasumi-1 lineage was used as a model for acute myeloid leukemia. Cells were treated with canthin-6-one and cell death, cell cycle and differentiation were evaluated in both total cells (Lin+) and leukemia stem cell population (CD34+CD38-Lin-/low). RESULTS Among the human lineages tested, Kasumi-1 was the most sensitive to canthin-6-one. Canthin-6-one induced cell death with apoptotic (caspase activation, decrease of mitochondrial potential) and necrotic (lysosomal permeabilization, double labeling of annexin V/propidium iodide) characteristics. Moreover, canthin-6-one induced cell cycle arrest at G0/G1 (7μM) and G2 (45μM) evidenced by DNA content, BrdU incorporation and cyclin B1/histone 3 quantification. Canthin-6-one also promoted differentiation of Kasumi-1, evidenced by an increase in the expression of myeloid markers (CD11b and CD15) and the transcription factor PU.1. Furthermore, a reduction of the leukemic stem cell population and clonogenic capability of stem cells were observed. CONCLUSIONS These results show that canthin-6-one can affect Kasumi-1 cells by promoting cell death, cell cycle arrest and cell differentiation depending on concentration used. GENERAL SIGNIFICANCE Canthin-6-one presents an interesting cytotoxic activity against leukemic cells and represents a promising scaffold for the development of molecules for anti-leukemic applications, especially by its anti-leukemic stem cell activity.
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Affiliation(s)
- Heron F Vieira Torquato
- Department of Basic Sciences in Health, Faculty of Medicine, Federal University of Mato Grosso (UFMT), Av. Fernando Correa da Costa, no. 2367, Boa Esperança, Cuiabá, Mato Grosso 78060-900, Brazil; Department of Biochemistry, Federal University of São Paulo (UNIFESP), Av. Pedro de Toledo, no. 669, São Paulo, São Paulo 04039-401, Brazil
| | - Antonio C Ribeiro-Filho
- Centro Interdisciplinar de Investigação Bioquı́mica, Universidade de Mogi das Cruzes, Av. Dr. Cândido Xavier de Almeida Souza, 200, Mogi das Cruzes, São Paulo, Brazil
| | - Marcus V Buri
- Department of Biochemistry, Federal University of São Paulo (UNIFESP), Av. Pedro de Toledo, no. 669, São Paulo, São Paulo 04039-401, Brazil
| | - Roberto T Araújo Júnior
- Department of Biochemistry, Federal University of São Paulo (UNIFESP), Av. Pedro de Toledo, no. 669, São Paulo, São Paulo 04039-401, Brazil
| | - Renata Pimenta
- Department of Medicine (Hematology), Federal University of São Paulo (UNIFESP), Av. Diogo de Faria, 824, São Paulo, São Paulo 04037-002, Brazil
| | - José Salvador R de Oliveira
- Department of Medicine (Hematology), Federal University of São Paulo (UNIFESP), Av. Diogo de Faria, 824, São Paulo, São Paulo 04037-002, Brazil
| | - Valdir C Filho
- Chemical-Pharmaceutical Research Center, University of Vale of Itajaí (UNIVALI), Rua Uruguai, no. 458, Centro, Itajaí, Santa Catarina 88302-202, Brazil
| | - Antonio Macho
- Department of Basic Sciences in Health, Faculty of Medicine, Federal University of Mato Grosso (UFMT), Av. Fernando Correa da Costa, no. 2367, Boa Esperança, Cuiabá, Mato Grosso 78060-900, Brazil
| | - Edgar J Paredes-Gamero
- Department of Biochemistry, Federal University of São Paulo (UNIFESP), Av. Pedro de Toledo, no. 669, São Paulo, São Paulo 04039-401, Brazil; Centro Interdisciplinar de Investigação Bioquı́mica, Universidade de Mogi das Cruzes, Av. Dr. Cândido Xavier de Almeida Souza, 200, Mogi das Cruzes, São Paulo, Brazil.
| | - Domingos T de Oliveira Martins
- Department of Basic Sciences in Health, Faculty of Medicine, Federal University of Mato Grosso (UFMT), Av. Fernando Correa da Costa, no. 2367, Boa Esperança, Cuiabá, Mato Grosso 78060-900, Brazil.
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Elias HK, Bryder D, Park CY. Molecular mechanisms underlying lineage bias in aging hematopoiesis. Semin Hematol 2017; 54:4-11. [DOI: 10.1053/j.seminhematol.2016.11.002] [Citation(s) in RCA: 47] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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21
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Buri MV, Dias CC, Barbosa CMV, Nogueira-Pedro A, Ribeiro-Filho AC, Miranda A, Paredes-Gamero EJ. Gomesin acts in the immune system and promotes myeloid differentiation and monocyte/macrophage activation in mouse. Peptides 2016; 85:41-45. [PMID: 27614284 DOI: 10.1016/j.peptides.2016.09.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/12/2016] [Revised: 09/03/2016] [Accepted: 09/05/2016] [Indexed: 12/15/2022]
Abstract
Due to the cytotoxic effect of antimicrobial peptides (AMP) against several microorganism and tumor cells has been proposed their association with the immune system. However, just a few reports have shown this relationship. In this study, mice were treated with gomesin, a β-hairpin AMP that exhibit high cytotoxicity against bacterial and tumor cells. Different effects in the immune system were observed, such as, decrease of CD3+ in T lymphocytes (Control: 17.7±1.4%; Gomesin: 7.67±1.2%) and in hematopoietic progenitors and increase of hematopoietic stem cell (Control: 0.046±0.004%; Gomesin: 0.067±0.003%), B220+ B lymphocytes (Control: 38.63±1.5%; Gomesin: 47.83±0.48%), and Mac-1+F4/80+ macrophages (Control: 11.76±3.4%; Gomesin: 27.13±4.0%). Additionally, macrophage increase was accompanied by an increase of macrophage phagocytosis (Control 20.85±1.53; Gomesin 31.32±1 Geometric mean), interleukin 6 (Control: 47.24±1.9ng/mL; Gomesin: 138.68±33.68ng/mL) and monocyte chemoattractant protein-1 (Control: 0.872±0.093ng/mL; Gomesin: 1.83±0.067ng/mL). Thus, this report showed immunomodulatory activity of gomesin in the immune system of mice.
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Affiliation(s)
- Marcus V Buri
- Departamento de Bioquímica, Universidade Federal de São Paulo, R. Três de Maio 100, 04044-020, São Paulo, SP, Brazil
| | - Carol C Dias
- Departamento de Bioquímica, Universidade Federal de São Paulo, R. Três de Maio 100, 04044-020, São Paulo, SP, Brazil
| | - Christiano M V Barbosa
- Departamento de Bioquímica, Universidade Federal de São Paulo, R. Três de Maio 100, 04044-020, São Paulo, SP, Brazil
| | - Amanda Nogueira-Pedro
- Departamento de Biofísica, Universidade Federal de São Paulo, R. Três de Maio 100, 04044-020, São Paulo, SP, Brazil
| | - Antonio C Ribeiro-Filho
- Centro Interdisciplinar de Investigação Bioquı́mica, Universidade de Mogi das Cruzes, Av. Dr. Cândido Xavier de Almeida Souza, 200, Mogi das Cruzes, SP, Brazil
| | - Antonio Miranda
- Departamento de Biofísica, Universidade Federal de São Paulo, R. Três de Maio 100, 04044-020, São Paulo, SP, Brazil.
| | - Edgar J Paredes-Gamero
- Departamento de Bioquímica, Universidade Federal de São Paulo, R. Três de Maio 100, 04044-020, São Paulo, SP, Brazil; Centro Interdisciplinar de Investigação Bioquı́mica, Universidade de Mogi das Cruzes, Av. Dr. Cândido Xavier de Almeida Souza, 200, Mogi das Cruzes, SP, Brazil.
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22
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Ribeiro-Filho AC, Buri MV, Barros CC, Dreyfuss JL, Nader HB, Justo GZ, Craveiro RB, Pesquero JB, Miranda A, Ferreira AT, Paredes-Gamero EJ. Functional and molecular evidence for heteromeric association of P2Y1 receptor with P2Y2 and P2Y4 receptors in mouse granulocytes. BMC Pharmacol Toxicol 2016; 17:29. [PMID: 27384918 PMCID: PMC4936188 DOI: 10.1186/s40360-016-0072-y] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2015] [Accepted: 06/24/2016] [Indexed: 12/27/2022] Open
Abstract
BACKGROUND All hematopoietic cells express P2 receptors, however pharmacological characteristics such as expression and affinity in granulocytes are unknown. METHODS Pharmacological characteristics of P2 receptors were evaluated by Ca(2+) measurements using Fura-2 fluorophore. P2 receptors expression were analyzed by flow cytometry and RT-PCR. P2 interaction were shown by coimmunoprecipitation, western blotting and FRET. RESULTS Granulocytes were responsive to P2Y agonists, whereas P2X agonists were ineffective. Ca(2+) increase, elicited by ADP and UTP was dependent on intracellular stocks and sensitive to G-coupled receptor inhibition. Moreover, MRS2179, a specific antagonist of the P2Y1 receptor, abolished ADP response. Interestingly, ADP and UTP exhibited full heterologous desensitization, suggesting that these agonists interact with the same receptor. The heteromeric association between P2Y1 receptor and the P2Y2 and P2Y4 receptors was shown by immunoprecipitation and FRET analysis. CONCLUSION Clear evidence of heteromeric association of P2Y receptors was found during the evaluation of P2 receptors present in mice granulocytes, which could impact in the classical pharmacology of P2Y receptors in granulocytes.
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Affiliation(s)
- Antonio Carlos Ribeiro-Filho
- Centro Interdisciplinar de Investigação Bioquı́mica, Universidade de Mogi das Cruzes, Av. Dr Cândido Xavier de Almeida Souza, 200, Mogi das Cruzes, São Paulo, Brazil
| | - Marcus Vinicius Buri
- Departamento de Bioquímica, Universidade Federal de São Paulo, Rua Pedro de Toledo, 669 - 9° andar - Prédio de Pesquisa II, R. Três de Maio 100, São Paulo, São Paulo, Brazil
| | - Carlos Castilho Barros
- Departamento de Nutrição, Universidade Federal de Pelotas, R. Gomes Carneiro, n°1, 96010-610, Pelotas, Rio Grande do Sul, Brazil
| | - Juliana Luporini Dreyfuss
- Departamento de Bioquímica, Universidade Federal de São Paulo, Rua Pedro de Toledo, 669 - 9° andar - Prédio de Pesquisa II, R. Três de Maio 100, São Paulo, São Paulo, Brazil
| | - Helena Bonciani Nader
- Departamento de Bioquímica, Universidade Federal de São Paulo, Rua Pedro de Toledo, 669 - 9° andar - Prédio de Pesquisa II, R. Três de Maio 100, São Paulo, São Paulo, Brazil
| | - Giselle Zenker Justo
- Departamento de Bioquímica, Universidade Federal de São Paulo, Rua Pedro de Toledo, 669 - 9° andar - Prédio de Pesquisa II, R. Três de Maio 100, São Paulo, São Paulo, Brazil
| | - Rogério Bastos Craveiro
- Departamento de Biofísica, Universidade Federal de São Paulo, R. Botucatu 862, São Paulo, São Paulo, Brazil
| | - João Bosco Pesquero
- Departamento de Biofísica, Universidade Federal de São Paulo, R. Botucatu 862, São Paulo, São Paulo, Brazil
| | - Antonio Miranda
- Departamento de Biofísica, Universidade Federal de São Paulo, R. Botucatu 862, São Paulo, São Paulo, Brazil
| | - Alice Teixeira Ferreira
- Departamento de Biofísica, Universidade Federal de São Paulo, R. Botucatu 862, São Paulo, São Paulo, Brazil
| | - Edgar Julian Paredes-Gamero
- Centro Interdisciplinar de Investigação Bioquı́mica, Universidade de Mogi das Cruzes, Av. Dr Cândido Xavier de Almeida Souza, 200, Mogi das Cruzes, São Paulo, Brazil. .,Departamento de Bioquímica, Universidade Federal de São Paulo, Rua Pedro de Toledo, 669 - 9° andar - Prédio de Pesquisa II, R. Três de Maio 100, São Paulo, São Paulo, Brazil.
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23
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Dias CC, Nogueira-Pedro A, Tokuyama PY, Martins MNC, Segreto HRC, Buri MV, Miranda A, Paredes-Gamero EJ. A synthetic fragment of leptin increase hematopoietic stem cell population and improve its engraftment ability. J Cell Biochem 2016; 116:1334-40. [PMID: 25735790 DOI: 10.1002/jcb.25090] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2014] [Accepted: 01/16/2015] [Indexed: 02/06/2023]
Abstract
Several studies have shown the important actions of cytokine leptin that regulates food intake and energy expenditure. Additionally, the ability to modulate hematopoiesis has also been demonstrated. Previous reports have shown that some synthetic sequences of leptin molecules can activate leptin receptor. Herein, decapeptides encompassing amino acids from positions 98 to 122 of the leptin molecule were constructed to evaluate their effects on hematopoiesis. Among them, the synthetic peptide Lep(110-119)-NH2 (LEP F) was the only peptide that possessed the ability to increase the percentage of hematopoietic stem cells (HSC). Moreover, LEP F also produced an increase of granulocyte/macrophage colony-forming units and activated leptin receptor. Furthermore, LEP F also improves the grafting of HSC in bone marrow, but did not accelerate the recovery of bone marrow after ablation with 5-fluorouracil. These results show that LEP F is a positive modulator of the in vivo expansion of HSC and could be useful in bone marrow transplantation.
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Affiliation(s)
- Carolina C Dias
- Departamento de Bioquímica, Universidade Federal de São Paulo, Rua Três de Maio 100, São Paulo, SP, 04044-020, Brazil
| | - Amanda Nogueira-Pedro
- Departmento de Biofísica, Universidade Federal de São Paulo, Rua Três de Maio 100, São Paulo, SP, 04044-020, Brazil
| | - Paula Yumi Tokuyama
- Departmento de Biofísica, Universidade Federal de São Paulo, Rua Três de Maio 100, São Paulo, SP, 04044-020, Brazil
| | - Marta N C Martins
- Departmento de Biofísica, Universidade Federal de São Paulo, Rua Três de Maio 100, São Paulo, SP, 04044-020, Brazil
| | - Helena Regina Comodo Segreto
- Departamento de Oncologia Clínica e Experimental, Universidade Federal de São Paulo, R. Napoleão de Barros, 715, São Paulo, Brazil
| | - Marcus V Buri
- Departamento de Bioquímica, Universidade Federal de São Paulo, Rua Três de Maio 100, São Paulo, SP, 04044-020, Brazil
| | - Antonio Miranda
- Departmento de Biofísica, Universidade Federal de São Paulo, Rua Três de Maio 100, São Paulo, SP, 04044-020, Brazil
| | - Edgar J Paredes-Gamero
- Departamento de Bioquímica, Universidade Federal de São Paulo, Rua Três de Maio 100, São Paulo, SP, 04044-020, Brazil.,Centro Interdisciplinar de Investigação Bioquímica, Universidade de Mogi das Cruzes, Mogi das Cruzes, SP, Brazil
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Fric J, Lim CXF, Mertes A, Lee BTK, Viganò E, Chen J, Zolezzi F, Poidinger M, Larbi A, Strobl H, Zelante T, Ricciardi-Castagnoli P. Calcium and calcineurin-NFAT signaling regulate granulocyte-monocyte progenitor cell cycle via Flt3-L. Stem Cells 2015; 32:3232-44. [PMID: 25100642 PMCID: PMC4282522 DOI: 10.1002/stem.1813] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2013] [Accepted: 07/07/2014] [Indexed: 12/11/2022]
Abstract
Maintenance of myeloid progenitor cells is controlled by complex regulatory mechanisms and is orchestrated by multiple different transcription factors. Here, we report that the activation of the transcription factor nuclear factor of activated T cells (NFAT) by calcium-sensing protein calcineurin inhibits the proliferation of myeloid granulocyte–monocyte progenitors (GMPs). Myeloid progenitor subtypes exhibit variable sensitivity to induced Ca2+ entry and consequently display differential engagement of the calcineurin-NFAT pathway. This study shows that inhibition of the calcineurin-NFAT pathway enhances the proliferation of GMPs both in vitro and in vivo and demonstrates that calcineurin-NFAT signaling in GMPs is initiated by Flt3-L. Inhibition of the calcineurin-NFAT pathway modified expression of the cell cycle regulation genes Cdk4, Cdk6, and Cdkn1a (p21), thus enabling rapid cell cycle progression specifically in GMPs. NFAT inhibitor drugs are extensively used in the clinic to restrict the pathological activation of lymphoid cells, and our data reveal for the first time that these therapies also exert potent effects on maintenance of the myeloid cell compartment through specific regulation of GMP proliferation. Stem Cells2014;32:3232–3244
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Affiliation(s)
- Jan Fric
- Singapore Immunology Network (SIgN), Agency for Science, Technology and Research (A*STAR), Singapore
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25
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Feng W, Wang L, Zheng G. Expression and function of P2 receptors in hematopoietic stem and progenitor cells. Stem Cell Investig 2015; 2:14. [PMID: 27358882 DOI: 10.3978/j.issn.2306-9759.2015.07.01] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2015] [Accepted: 05/28/2015] [Indexed: 12/15/2022]
Abstract
Nucleotides have unambiguously emerged as a family of mediators of intercellular communication, which bind to a class of plasma membrane receptors, P2 receptors, to trigger intercellular signaling. P2 receptors can be further divided into P2X and P2Y subfamilies based on structure and function. Different hematopoietic cells express diverse spectrums of P2 receptors at different levels, including hematopoietic stem and progenitor cells (HSPCs). Extracellular adenosine triphosphate (ATP) exerts different effects on HSPCs, regulating cell proliferation, differentiation, migration, and chemotaxis, release of cytokines or lysosomal constituents, and generation of reactive oxygen or nitrogen species. The relationship between abnormal P2 receptor function and human diseases attracts more and more attention. This review summarizes the expression and function of P2 receptors in HSPCs and the relationship to hematopoietic diseases.
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Affiliation(s)
- Wenli Feng
- 1 State Key Laboratory of Experimental Hematology, Institute of Hematology & Blood Disease Hospital, Chinese Academy of Medical Science & Peking Union Medical College, Tianjin 300020, China ; 2 Center for Stem Cell Medicine, Chinese Academy of Medical Sciences, Beijing 100730, China
| | - Lina Wang
- 1 State Key Laboratory of Experimental Hematology, Institute of Hematology & Blood Disease Hospital, Chinese Academy of Medical Science & Peking Union Medical College, Tianjin 300020, China ; 2 Center for Stem Cell Medicine, Chinese Academy of Medical Sciences, Beijing 100730, China
| | - Guoguang Zheng
- 1 State Key Laboratory of Experimental Hematology, Institute of Hematology & Blood Disease Hospital, Chinese Academy of Medical Science & Peking Union Medical College, Tianjin 300020, China ; 2 Center for Stem Cell Medicine, Chinese Academy of Medical Sciences, Beijing 100730, China
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26
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Lenertz LY, Baughman CJ, Waldschmidt NV, Thaler R, van Wijnen AJ. Control of bone development by P2X and P2Y receptors expressed in mesenchymal and hematopoietic cells. Gene 2015; 570:1-7. [PMID: 26079571 DOI: 10.1016/j.gene.2015.06.031] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2015] [Revised: 06/05/2015] [Accepted: 06/06/2015] [Indexed: 02/06/2023]
Abstract
Bone development and homeostasis require the interplay between several cell types, including mesenchymal osteoblasts and osteocytes, as well as hematopoietic osteoclasts. Recent evidence suggests that cell proliferation, differentiation and apoptosis of both mesenchymal and hematopoietic stem cells, which are fundamental for tissue regeneration and treatment of degenerative diseases, are controlled by P2 receptors (i.e., P2X and P2Y receptors). Both types of P2 receptors are versatile transducers of diverse signals activated by extracellular nucleotides like ATP that are released in response to tissue injury, infection or shear stress. The P2X family of receptors has been shown to mediate multiple signaling events including the influx of calcium, activation of mitogen activated protein kinases (MAPKs) and induction of AP-1 family members known to regulate bone development. Support for the significance of P2X7 in regulating bone development and homeostasis has been provided by several studies focusing on animal models and single nucleotide polymorphisms. P2 receptors are functionally expressed in both bone forming osteoblasts and bone resorbing osteoclasts, while recent findings also suggest that these receptors translate mechanical stimuli in osteocytes. Their ability to respond to external nucleotide analogs renders these cell surface proteins excellent targets for skeletal regenerative therapies. This overview summarizes mechanisms by which nucleotide receptors control skeletal cells and contribute to bone tissue development remodeling and repair.
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Affiliation(s)
- Lisa Y Lenertz
- Department of Biology, St. Olaf College, Northfield, MN, USA
| | - Cory J Baughman
- Department of Biology, St. Olaf College, Northfield, MN, USA
| | | | - Roman Thaler
- Departments of Orthopedic Surgery and Biochemistry and Molecular Biology, Mayo Clinic, Rochester, MN, USA
| | - Andre J van Wijnen
- Departments of Orthopedic Surgery and Biochemistry and Molecular Biology, Mayo Clinic, Rochester, MN, USA.
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27
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Abstract
The role of the P2X7 receptor (P2X7R) is being explored with intensive interest in the context of normal bone physiology, bone-related diseases and, to an extent, bone cancer. In this review, we cover the current understanding of P2X7R regulation of bone cell formation, function and survival. We will discuss how the P2X7R drives lineage commitment of undifferentiated bone cell progenitors, the vital role of P2X7R activation in bone mineralisation and its relatively unexplored role in osteocyte function. We also review how P2X7R activation is imperative for osteoclast formation and its role in bone resorption via orchestrating osteoclast apoptosis. Variations in the gene for the P2X7R (P2RX7) have implications for P2X7R-mediated processes and we review the relevance of these genetic variations in bone physiology. Finally, we highlight how targeting P2X7R may have therapeutic potential in bone disease and cancer.
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Affiliation(s)
- Ankita Agrawal
- Department of Human MetabolismThe Mellanby Centre for Bone Research, The University of Sheffield, Beech Hill Road, Sheffield S10 2RX, UK
| | - Alison Gartland
- Department of Human MetabolismThe Mellanby Centre for Bone Research, The University of Sheffield, Beech Hill Road, Sheffield S10 2RX, UK
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28
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He W, Wilder T, Cronstein BN. Rolofylline, an adenosine A1 receptor antagonist, inhibits osteoclast differentiation as an inverse agonist. Br J Pharmacol 2014; 170:1167-76. [PMID: 23962057 DOI: 10.1111/bph.12342] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2013] [Revised: 06/07/2013] [Accepted: 06/19/2013] [Indexed: 12/17/2022] Open
Abstract
BACKGROUND AND PURPOSE Adenosine may be generated by hydrolysis of extracellular nucleotides by ectonucleotidases, including ectonucleoside triphosphate diphosphohydrolase 1 (CD39), ecto-5'-nucleotidase (CD73), nucleotide pyrophosphatase phosphodiesterase 1 (NPP-1) and tissue non-specific alkaline phosphatase (TNAP). Previous work from our laboratory has uncovered a critical role for adenosine A1 receptors (A1 R) in osteoclastogenesis; blockade or deletion of these receptors diminishes osteoclast differentiation. Interestingly, selective A1 R agonists neither affect basal osteoclastogenesis nor do they reverse A1 R antagonist-mediated inhibition of osteoclastogenesis. In this study, we determined whether ectonucleotidase-mediated adenosine production was required for A1 R antagonist-mediated inhibition, and, when we saw no effect, determined whether A1 R was constitutively activated and the antagonist was acting as an inverse agonist to diminish osteoclast differentiation. EXPERIMENTAL APPROACH Osteoclast formation derived from wild-type, CD39 knockout (KO), CD73 KO, NPP-1 KO and TNAP KO mice was examined by tartrate-resistant acid phosphatase staining of receptor activator of NF-κB ligand-macrophage colony-stimulating factor-stimulated osteoclasts and osteoclast gene expression (Ctsk, Acp5, MMP-9 and NFATc1). Intracellular cAMP concentration was determined by elisa. KEY RESULTS Rolofylline inhibited osteoclast formation in a dose-dependent manner (IC50 = 20-70 nM) in mice lacking all four of these phosphatases, although baseline osteoclast formation was significantly less in precursors from CD73 KO mice. Rolofylline (1 μM) stimulates cAMP production in bone marrow macrophages by 10.23 ± 0.89-fold. CONCLUSIONS AND IMPLICATIONS Based on these findings, we hypothesize that the A1 R is constitutively activated in osteoclast precursors, thereby diminishing basal AC activity, and that A1 R antagonists act as inverse agonists to release A1 R-mediated inhibition of basal AC activity and permit osteoclast differentiation. The constitutive activity of A1 R promotes osteoclast formation and down-regulation of this activity blocks osteoclast formation.
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Affiliation(s)
- Wenjie He
- New York University School of Medicine, New York, NY, USA
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29
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Nogueira-Pedro A, Dias CC, Regina H, Segreto C, Addios PC, Lungato L, D'Almeida V, Barros CC, Higa EMS, Buri MV, Ferreira AT, Paredes-Gamero EJ. Nitric oxide-induced murine hematopoietic stem cell fate involves multiple signaling proteins, gene expression, and redox modulation. Stem Cells 2014; 32:2949-60. [PMID: 24964894 DOI: 10.1002/stem.1773] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2014] [Revised: 05/20/2014] [Accepted: 05/30/2014] [Indexed: 12/22/2022]
Abstract
There are a growing number of reports showing the influence of redox modulation in cellular signaling. Although the regulation of hematopoiesis by reactive oxygen species (ROS) and reactive nitrogen species (RNS) has been described, their direct participation in the differentiation of hematopoietic stem cells (HSCs) remains unclear. In this work, the direct role of nitric oxide (NO(•)), a RNS, in the modulation of hematopoiesis was investigated using two sources of NO(•) , one produced by endothelial cells stimulated with carbachol in vitro and another using the NO(•)-donor S-nitroso-N-acetyl-D,L-penicillamine (SNAP) in vivo. Two main NO(•) effects were observed: proliferation of HSCs-especially of the short-term HSCs-and its commitment and terminal differentiation to the myeloid lineage. NO(•)-induced proliferation was characterized by the increase in the number of cycling HSCs and hematopoietic progenitor cells positive to BrdU and Ki-67, upregulation of Notch-1, Cx43, PECAM-1, CaR, ERK1/2, Akt, p38, PKC, and c-Myc. NO(•)-induced HSCs differentiation was characterized by the increase in granulocytic-macrophage progenitors, granulocyte-macrophage colony forming units, mature myeloid cells, upregulation of PU.1, and C/EBPα genes concomitantly to the downregulation of GATA-3 and Ikz-3 genes, activation of Stat5 and downregulation of the other analyzed proteins mentioned above. Also, redox status modulation differed between proliferation and differentiation responses, which is likely associated with the transition of the proliferative to differentiation status. Our findings provide evidence of the role of NO(•) in inducing HSCs proliferation and myeloid differentiation involving multiple signaling.
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30
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Barbosa CMV, Bincoletto C, Barros CC, Ferreira AT, Paredes-Gamero EJ. PLCγ2 and PKC are important to myeloid lineage commitment triggered by M-SCF and G-CSF. J Cell Biochem 2014; 115:42-51. [PMID: 24038146 DOI: 10.1002/jcb.24653] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2013] [Accepted: 08/14/2013] [Indexed: 11/06/2022]
Abstract
Myeloid differentiation is a complex process whereby mature granulocytes or monocytes/macrophages are derived from a common myeloid progenitor through the coordinated action of hematopoietic cytokines. In this study, we explored the role of the Ca(2+)i signaling transduction pathway in the commitment of hematopoietic stem/progenitor cells to either the monocytic or granulocytic lineage in response to macrophage colony-stimulating factor (M-CSF) and granulocyte colony-stimulating factor (G-CSF). M-CSF and G-CSF induce cell expansion and monocyte or granulocyte differentiation, respectively, without affecting the percentage of hematopoietic progenitor cells. Colony-forming units (CFUs) and flow cytometry demonstrated the involvement of phospholipase Cγ (PLCγ) and protein kinase C (PKC) in monocyte/granulocyte commitment. In addition, using flow cytometry and RNA interference, we identified PLCγ2 as the PLCγ isoform that participates in this cell expansion and differentiation. Differences in signaling elicited by M-CSF and G-CSF were observed. The M-CSF-related effects were associated with the activation of ERK1/2 and nuclear factor of activated T-cells (NFAT); the inhibition of both molecules reduced the number of colonies in a CFU assay. In contrast, using flow cytometry and confocal evaluation, we demonstrated that G-CSF activated Jak-1 and STAT-3. Additionally, the effects induced by G-CSF were also related with the participation of Ca(2+) calmodulin kinase II and the transcription factor PU.1. STAT-3 activation and the increase of PU.1 expression were sensitive to PLC inhibition by U73122. These data show that PLCγ2 and PKC are important upstream signals that regulate myelopoiesis through cytokines, and differences in M-CSF and G-CSF downstream signaling were identified.
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31
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Nogueira-Pedro A, Cesário TAM, Dias CC, Origassa CST, Eça LPM, Paredes-Gamero EJ, Ferreira AT. Hydrogen peroxide (H2O2) induces leukemic but not normal hematopoietic cell death in a dose-dependent manner. Cancer Cell Int 2013; 13:123. [PMID: 24365069 PMCID: PMC3878036 DOI: 10.1186/1475-2867-13-123] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2013] [Accepted: 12/09/2013] [Indexed: 12/31/2022] Open
Abstract
Over the last few years, studies have suggested that oxidative stress plays a role in the regulation of hematopoietic cell homeostasis. In particular, the effects of hydrogen peroxide (H2O2) range from hematopoietic cell proliferation to cell death, depending on its concentration in the intracellular milieu. In this work, we evaluated the effects of an oxidative environment on normal and leukemic hematopoietic cells by stimulating normal human (umbilical cord blood) and murine (bone marrow) hematopoietic cells, as well as human myeloid leukemic cells (HL-60 lineage), upon H2O2 stimulus. Total cell populations and primitive subsets were evaluated for each cell type. H2O2 stimulus induces HL-60 cell death, whereas the viability of human and murine normal cells was not affected. The effects of H2O2 stimulus on hematopoietic stem/progenitor cell subsets were examined and the normal primitive cells were found to be unaffected; however, the percentage of leukemic stem cells (LSC) increased in response to H2O2, while clonogenic ability of these cells to generate myeloid clones was inhibited. In addition, H2O2 stimulus caused a decrease in the levels of p-AKT in HL-60 cells, which most likely mediates the observed decrease of viability. In summary, we found that at low concentrations, H2O2 preferentially affects both the LSC subset and total HL-60 cells without damage normal cells.
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Affiliation(s)
| | | | | | | | | | - Edgar Julian Paredes-Gamero
- Department of Biophysics, of Universidade Federal de São Paulo, R, Botucatu, 862 - 2° andar, 04062-023, São Paulo, Brazil.
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Dias CC, Nogueira-Pedro A, Barbosa CMV, Ribeiro-Filho AC, Wasinski F, Araújo RC, de Oliveira VX, Miranda A, Paredes-Gamero EJ. Hematopoietic stem cell expansion caused by a synthetic fragment of leptin. Peptides 2013; 50:24-7. [PMID: 24090593 DOI: 10.1016/j.peptides.2013.09.012] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/27/2013] [Revised: 09/20/2013] [Accepted: 09/23/2013] [Indexed: 12/14/2022]
Abstract
Leptin is a cytokine that regulates food intake, energy expenditure and hematopoiesis. Based on the tridimensional structure of the human leptin molecule, six fragments have been synthesized, (Ac-Lep23-47-NH2, [LEP1]; Ac-Lep48-71-NH2, [LEP2]; Ac-Lep72-88-NH2, [LEP3]; Ac-Lep92-115-NH2, [LEP4], Ac-[Ser(117)]-Lep116-140-NH2, [LEP5] and Ac-Lep141-164-NH2, [LEP6]), and their effects on hematopoiesis were evaluated. The mice were treated with 1mg/kg LEP5 for 3 days. The mature and primitive hematopoietic populations were quantified. We observed that the mature populations from the bone marrow and spleen were not affected by LEP5. However, the peptide caused at least a two-fold increase in the number of hematopoietic stem cells, the most primitive population of the bone marrow. Additionally, the number of granulocyte/macrophage colony-forming units produced by bone marrow cells in methylcellulose also increased by 40% after treatment with LEP5, and the leptin receptor was activated. These results show that the leptin fragment LEP5 is a positive modulator of the in vivo expansion of hematopoietic stem cells.
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Affiliation(s)
- Carol C Dias
- Departamento de Bioquímica, Universidade Federal de São Paulo, Rua Três de Maio 100, São Paulo, SP 04044-020, Brazil
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Abstract
PURPOSE OF REVIEW Cells of the immune system are replaced in large numbers throughout life, and the underlying mechanisms have been extensively studied. Whereas the pace of discovery in this area is unprecedented, many questions remain, particularly with respect to lymphocyte formation. RECENT FINDINGS While transcription factors have long been a focus of investigation, microRNAs are also being implicated in lymphopoiesis. Lymphocytes are normally replaced in correct proportion to other blood cells, but ratios change dramatically during infections. Long-standing issues relating to T versus B lineage divergence remain but have been enriched with remarkable new findings about thymus seeding. There are indications that at least some age-related changes in lymphopoiesis may be reversible. Finally, knowledge obtained from studies of mice is slowly being extended to humans. SUMMARY We can now appreciate that new lymphoid progenitors are drawn from a heterogeneous collection of hematopoietic stem cells through asynchronous patterns of gene expression. Complex interactions then occur between the gene products, preparing lymphoid progenitors to respond to environmental cues. Whereas unique markers describe the process of lymphocyte formation in humans, fundamental information now available should suggest ways to promote rebound from chemotherapy or transplantation and reverse declines associated with aging.
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Chimenti MS, Tucci P, Candi E, Perricone R, Melino G, Willis AE. Metabolic profiling of human CD4+ cells following treatment with methotrexate and anti-TNF-α infliximab. Cell Cycle 2013; 12:3025-36. [PMID: 23974102 PMCID: PMC3875677 DOI: 10.4161/cc.26067] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
The autoimmune process in rheumatoid arthritis depends on activation of immune cells, which utilize intracellular kinases to respond to external stimuli such as cytokines, immune complexes, and antigens. CD4+ T cells comprise a large proportion of the inflammatory cells that invade the synovial tissue and may therefore be a cell type of pathogenic importance. Both methotrexate and infliximab are effective in the treatment of inflammatory arthritis; however, the biological effects triggered by these treatments and the biochemical mechanisms underlining the cell response are still not fully understood. Thus, in this study the global metabolic changes associated with methotrexate or infliximab treatment of isolated human CD4+ T cells were examined using gas chromatography/mass spectrometry or liquid chromatography/mass spectrometry. In total 148 metabolites involved in selective pathways were found to be significantly altered. Overall, the changes observed are likely to reflect the effort of CD4+ cells to increase the production of cellular reducing power to offset the cellular stress exerted by treatment. Importantly, analysis of the global metabolic changes associated with MTX or infliximab treatment of isolated human CD4+ T cells suggested that the toxicity associated with these agents is minimal when used at clinically relevant concentrations.
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Affiliation(s)
- Maria Sole Chimenti
- Rheumatology, Allergology and Clinical Immunology; Department of Internal Medicine; University of Rome Tor Vergata; Rome, Italy
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Lee HJ, Li N, Evans SM, Diaz MF, Wenzel PL. Biomechanical force in blood development: extrinsic physical cues drive pro-hematopoietic signaling. Differentiation 2013; 86:92-103. [PMID: 23850217 DOI: 10.1016/j.diff.2013.06.004] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2013] [Revised: 06/17/2013] [Accepted: 06/19/2013] [Indexed: 02/07/2023]
Abstract
The hematopoietic system is dynamic during development and in adulthood, undergoing countless spatial and temporal transitions during the course of one's life. Microenvironmental cues in the many unique hematopoietic niches differ, characterized by distinct soluble molecules, membrane-bound factors, and biophysical features that meet the changing needs of the blood system. Research from the last decade has revealed the importance of substrate elasticity and biomechanical force in determination of stem cell fate. Our understanding of the role of these factors in hematopoiesis is still relatively poor; however, the developmental origin of blood cells from the endothelium provides a model for comparison. Many endothelial mechanical sensors and second messenger systems may also determine hematopoietic stem cell fate, self renewal, and homing behaviors. Further, the intimate contact of hematopoietic cells with mechanosensitive cell types, including osteoblasts, endothelial cells, mesenchymal stem cells, and pericytes, places them in close proximity to paracrine signaling downstream of mechanical signals. The objective of this review is to present an overview of the sensors and intracellular signaling pathways activated by mechanical cues and highlight the role of mechanotransductive pathways in hematopoiesis.
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Affiliation(s)
- Hyun Jung Lee
- Children's Regenerative Medicine Program, Department of Pediatric Surgery, University of Texas Medical School at Houston, Houston, TX 77030, USA; Center for Stem Cell and Regenerative Medicine, The Brown Foundation Institute of Molecular Medicine, University of Texas Health Science Center at Houston, Houston, TX 77030, USA
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36
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Ma Y, Adjemian S, Mattarollo S, Yamazaki T, Aymeric L, Yang H, Portela Catani J, Hannani D, Duret H, Steegh K, Martins I, Schlemmer F, Michaud M, Kepp O, Sukkurwala A, Menger L, Vacchelli E, Droin N, Galluzzi L, Krzysiek R, Gordon S, Taylor P, Van Endert P, Solary E, Smyth M, Zitvogel L, Kroemer G. Anticancer Chemotherapy-Induced Intratumoral Recruitment and Differentiation of Antigen-Presenting Cells. Immunity 2013; 38:729-41. [DOI: 10.1016/j.immuni.2013.03.003] [Citation(s) in RCA: 403] [Impact Index Per Article: 36.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2012] [Accepted: 12/06/2012] [Indexed: 01/21/2023]
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Plekhova NG, Somova LM, Krylova NV, Leonova GN, Lyapun IN, Smirnov IS. Biochemical markers of virus cytopathogenicity in macrophages. APPL BIOCHEM MICRO+ 2012. [DOI: 10.1134/s0003683813010158] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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38
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Paredes-Gamero EJ, Casaes-Rodrigues RL, Moura GEDD, Domingues TM, Buri MV, Ferreira VHC, Trindade ES, Moreno-Ortega AJ, Cano-Abad MF, Nader HB, Ferreira AT, Miranda A, Justo GZ, Tersariol ILS. Cell-Permeable Gomesin Peptide Promotes Cell Death by Intracellular Ca2+ Overload. Mol Pharm 2012; 9:2686-97. [DOI: 10.1021/mp300251j] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
| | | | | | | | | | - Victor H. C. Ferreira
- Departamento de Biologia Celular,
Universidade Federal do Paraná, PO Box 19031, 81531-990, Curitiba,
Brazil
| | - Edvaldo S. Trindade
- Departamento de Biologia Celular,
Universidade Federal do Paraná, PO Box 19031, 81531-990, Curitiba,
Brazil
| | - Ana J. Moreno-Ortega
- Instituto Teófilo
Hernando, Servicio de Farmacología Clínica, Instituto
de Investigación Sanitaria, Hospital Universitario de la Princesa,
Universidad Autónoma de Madrid, Madrid, Spain
| | - María F. Cano-Abad
- Instituto Teófilo
Hernando, Servicio de Farmacología Clínica, Instituto
de Investigación Sanitaria, Hospital Universitario de la Princesa,
Universidad Autónoma de Madrid, Madrid, Spain
| | | | | | | | - Giselle Z. Justo
- Departamento de Ciências Biológicas,
Universidade Federal de São Paulo, Diadema, SP, Brazil
| | - Ivarne L. S. Tersariol
- Centro Interdisciplinar de Investigação
Bioquímica, Universidade de Mogi das Cruzes, Mogi das Cruzes,
SP, Brazil
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Abstract
Over the past decade, extracellular nucleotides (such as ATP and UTP) have emerged as key immunomodulators. This family of molecules, already known for its key metabolic functions, has been the focus of intense investigation that has unambiguously shown its crucial role as mediators of cell-to-cell communication. More recently, in addition to its involvement in inflammation and immunity, purinergic signaling has also been shown to modulate BM-derived stem cells. Extracellular nucleotides promote proliferation, CXCL12-driven migration, and BM engraftment of hematopoietic progenitor and stem cells. In addition, purinergic signaling acts indirectly on hematopoietic progenitor and stem cells by regulating differentiation and release of proinflammatory cytokines in BM-derived human mesenchymal stromal cells, which are part of the hematopoietic stem cell (HSC) niche. HSC research has recently blended into the field of immunology, as new findings highlighted the role played by immunologic signals (such as IFN-α, IFN-γ, or TNF-α) in the regulation of the HSC compartment. In this review, we summarize recent reports unveiling a previously unsuspected ability of HSCs to integrate inflammatory signals released by immune and stromal cells, with particular emphasis on the dual role of extracellular nucleotides as mediators of both immunologic responses and BM stem cell functions.
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Paredes-Gamero EJ, Martins MNC, Cappabianco FAM, Ide JS, Miranda A. Characterization of dual effects induced by antimicrobial peptides: regulated cell death or membrane disruption. Biochim Biophys Acta Gen Subj 2012; 1820:1062-72. [PMID: 22425533 DOI: 10.1016/j.bbagen.2012.02.015] [Citation(s) in RCA: 91] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2011] [Revised: 02/17/2012] [Accepted: 02/24/2012] [Indexed: 12/22/2022]
Abstract
BACKGROUND Some reports describe lysis mechanisms by antimicrobial peptides (AMPs), while others describe the activation of regulated cell death. In this study, we compare the cell death-inducing activities of four β-hairpin AMPs (gomesin, protegrin, tachyplesin and polyphemusin II) along with their linear analogs in the human erythroleukemia K562 cell line to investigate the relationship between their structure and activity. METHODS K562 cells were exposed to AMPs. Morphological and biochemistry alterations were evaluated using light microscopy, confocal microscopy and flow cytometry. RESULTS Gomesin and protegrin displayed cytotoxic properties that their linear counterparts did not. Tachyplesin and polyphemusin II and also their linear analogs induced cell death. We were able to distinguish two ways in which these AMPs induced cell death. Lower concentrations of AMPs induced controlled cell death mechanisms. Gomesin, tachyplesin and linear-tachyplesin promoted apoptosis that was characterized by annexin labeling, sensitivity to Z-VAD, and caspase-3 activation, but was also inhibited by necrostatin-1. Gomesin and protegrin induced cell death was dependent on intracellular Ca2+ mechanisms and the participation of free radicals was observed in protegrin induced cell death. Polyphemusin II and its linear analog mainly induced necrosis. Conversely, treatment with higher concentrations of AMPs primarily resulted in cell membrane disruption, but with clearly different patterns of action for each AMP tested. CONCLUSION Different actions by β-hairpin AMPs were observed at low concentrations and at higher concentrations despite the structure similarity. GENERAL SIGNIFICANCE Controlled intracellular mechanism and direct membrane disruption were clearly distinguished helping to understand the real action of AMPs in mammalian cells.
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Affiliation(s)
- Edgar J Paredes-Gamero
- Departamento de Bioquímica, Universidade Federal de São Paulo, R. Três de Maio 100, 04044-020, São Paulo, SP, Brazil.
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Nogueira-Pedro A, Barbosa CMV, Segreto HRC, Lungato L, DˈAlmeida V, Moraes AAFS, Miranda A, Paredes-Gamero EJ, Ferreira AT. α-Tocopherol induces hematopoietic stem/progenitor cell expansion and ERK1/2-mediated differentiation. J Leukoc Biol 2011; 90:1111-7. [DOI: 10.1189/jlb.0611282] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
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