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Giannakoulas A, Nikolaidis M, Amoutzias GD, Giannakoulas N. A comparative analysis of transcriptomics of newly diagnosed multiple myeloma: exploring drug repurposing. Front Oncol 2024; 14:1390105. [PMID: 38690165 PMCID: PMC11058662 DOI: 10.3389/fonc.2024.1390105] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2024] [Accepted: 04/01/2024] [Indexed: 05/02/2024] Open
Abstract
Multiple myeloma (MM) is an incurable malignant plasma cell disorder characterized by the infiltration of clonal plasma cells in the bone marrow compartment. Gene Expression Profiling (GEP) has emerged as a powerful investigation tool in modern myeloma research enabling the dissection of the molecular background of MM and allowing the identification of gene products that could potentially serve as targets for therapeutic intervention. In this study we investigated shared transcriptomic abnormalities across newly diagnosed multiple myeloma (NDMM) patient cohorts. In total, publicly available transcriptomic data of 7 studies from CD138+ cells from 281 NDMM patients and 44 healthy individuals were integrated and analyzed. Overall, we identified 28 genes that were consistently differentially expressed (DE) between NDMM patients and healthy donors (HD) across various studies. Of those, 9 genes were over/under-expressed in more than 75% of NDMM patients. In addition, we identified 4 genes (MT1F, PURPL, LINC01239 and LINC01480) that were not previously considered to participate in MM pathogenesis. Meanwhile, by mining three drug databases (ChEMBL, IUPHAR/BPS and DrugBank) we identified 31 FDA-approved and 144 experimental drugs that target 8 of these 28 over/under-expressed MM genes. Taken together, our study offers new insights in MM pathogenesis and importantly, it reveals potential new treatment options that need to be further investigated in future studies.
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Affiliation(s)
- Angelos Giannakoulas
- Department of Hematology, Faculty of Medicine, School of Health Sciences, University of Thessaly, Larissa, Greece
| | - Marios Nikolaidis
- Bioinformatics Laboratory, Department of Biochemistry & Biotechnology, School of Health Sciences, University of Thessaly, Larissa, Greece
| | - Grigorios D. Amoutzias
- Bioinformatics Laboratory, Department of Biochemistry & Biotechnology, School of Health Sciences, University of Thessaly, Larissa, Greece
| | - Nikolaos Giannakoulas
- Department of Hematology, Faculty of Medicine, School of Health Sciences, University of Thessaly, Larissa, Greece
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Sasine JP, Kozlova NY, Valicente L, Dukov J, Tran DH, Himburg HA, Kumar S, Khorsandi S, Chan A, Grohe S, Li M, Kan J, Sehl ME, Schiller GJ, Reinhardt B, Singh BK, Ho R, Yue P, Pasquale EB, Chute JP. Inhibition of Ephrin B2 Reverse Signaling Abolishes Multiple Myeloma Pathogenesis. Cancer Res 2024; 84:919-934. [PMID: 38231476 PMCID: PMC10940855 DOI: 10.1158/0008-5472.can-23-1950] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 11/14/2023] [Accepted: 01/11/2024] [Indexed: 01/18/2024]
Abstract
Bone marrow vascular endothelial cells (BM EC) regulate multiple myeloma pathogenesis. Identification of the mechanisms underlying this interaction could lead to the development of improved strategies for treating multiple myeloma. Here, we performed a transcriptomic analysis of human ECs with high capacity to promote multiple myeloma growth, revealing overexpression of the receptor tyrosine kinases, EPHB1 and EPHB4, in multiple myeloma-supportive ECs. Expression of ephrin B2 (EFNB2), the binding partner for EPHB1 and EPHB4, was significantly increased in multiple myeloma cells. Silencing EPHB1 or EPHB4 in ECs suppressed multiple myeloma growth in coculture. Similarly, loss of EFNB2 in multiple myeloma cells blocked multiple myeloma proliferation and survival in vitro, abrogated multiple myeloma engraftment in immune-deficient mice, and increased multiple myeloma sensitivity to chemotherapy. Administration of an EFNB2-targeted single-chain variable fragment also suppressed multiple myeloma growth in vivo. In contrast, overexpression of EFNB2 in multiple myeloma cells increased STAT5 activation, increased multiple myeloma cell survival and proliferation, and decreased multiple myeloma sensitivity to chemotherapy. Conversely, expression of mutant EFNB2 lacking reverse signaling capacity in multiple myeloma cells increased multiple myeloma cell death and sensitivity to chemotherapy and abolished multiple myeloma growth in vivo. Complementary analysis of multiple myeloma patient data revealed that increased EFNB2 expression is associated with adverse-risk disease and decreased survival. This study suggests that EFNB2 reverse signaling controls multiple myeloma pathogenesis and can be therapeutically targeted to improve multiple myeloma outcomes. SIGNIFICANCE Ephrin B2 reverse signaling mediated by endothelial cells directly regulates multiple myeloma progression and treatment resistance, which can be overcome through targeted inhibition of ephrin B2 to abolish myeloma.
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Affiliation(s)
- Joshua P. Sasine
- Division of Hematology & Cellular Therapy, Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, California
- Cedars-Sinai Samuel Oschin Comprehensive Cancer Institute, Los Angeles, California
- Regenerative Medicine Institute, Cedars-Sinai Medical Center, Los Angeles, California
- Department of Medicine, Cedars Sinai Medical Center, Los Angeles, California
| | - Natalia Y. Kozlova
- Division of Hematology & Cellular Therapy, Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, California
- Cedars-Sinai Samuel Oschin Comprehensive Cancer Institute, Los Angeles, California
| | - Lisa Valicente
- Division of Hematology & Cellular Therapy, Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, California
- Cedars-Sinai Samuel Oschin Comprehensive Cancer Institute, Los Angeles, California
| | - Jennifer Dukov
- Division of Hematology & Cellular Therapy, Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, California
- Cedars-Sinai Samuel Oschin Comprehensive Cancer Institute, Los Angeles, California
| | - Dana H. Tran
- Division of Hematology & Cellular Therapy, Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, California
- Cedars-Sinai Samuel Oschin Comprehensive Cancer Institute, Los Angeles, California
| | - Heather A. Himburg
- Department of Radiation Oncology, Medical College of Wisconsin, Milwaukee, Wisconsin
| | - Sanjeev Kumar
- Department of Medicine, Cedars Sinai Medical Center, Los Angeles, California
| | - Sarah Khorsandi
- Division of Hematology & Cellular Therapy, Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, California
| | - Aldi Chan
- Division of Hematology & Cellular Therapy, Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, California
| | - Samantha Grohe
- Division of Hematology & Cellular Therapy, Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, California
| | - Michelle Li
- Division of Hematology/Oncology, Department of Medicine, UCLA, Los Angeles, California
| | - Jenny Kan
- Division of Hematology/Oncology, Department of Medicine, UCLA, Los Angeles, California
| | - Mary E. Sehl
- Division of Hematology/Oncology, Department of Medicine, UCLA, Los Angeles, California
| | - Gary J. Schiller
- Division of Hematology/Oncology, Department of Medicine, UCLA, Los Angeles, California
| | - Bryanna Reinhardt
- Division of Hematology & Cellular Therapy, Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, California
| | - Brijesh Kumar Singh
- Department of Biomedical Sciences, Cedars Sinai Medical Center, Los Angeles, California
| | - Ritchie Ho
- Department of Biomedical Sciences, Cedars Sinai Medical Center, Los Angeles, California
| | - Peibin Yue
- Division of Hematology & Cellular Therapy, Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, California
| | - Elena B. Pasquale
- Sanford Burnham Prebys Medical Discovery Institute, San Diego, California
| | - John P. Chute
- Division of Hematology & Cellular Therapy, Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, California
- Cedars-Sinai Samuel Oschin Comprehensive Cancer Institute, Los Angeles, California
- Regenerative Medicine Institute, Cedars-Sinai Medical Center, Los Angeles, California
- Department of Medicine, Cedars Sinai Medical Center, Los Angeles, California
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Rana PS, Goparaju K, Driscoll JJ. Shutting off the fuel supply to target metabolic vulnerabilities in multiple myeloma. Front Oncol 2023; 13:1141851. [PMID: 37361580 PMCID: PMC10285382 DOI: 10.3389/fonc.2023.1141851] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Accepted: 05/18/2023] [Indexed: 06/28/2023] Open
Abstract
Pathways that govern cellular bioenergetics are deregulated in tumor cells and represent a hallmark of cancer. Tumor cells have the capacity to reprogram pathways that control nutrient acquisition, anabolism and catabolism to enhance their growth and survival. Tumorigenesis requires the autonomous reprogramming of key metabolic pathways that obtain, generate and produce metabolites from a nutrient-deprived tumor microenvironment to meet the increased bioenergetic demands of cancer cells. Intra- and extracellular factors also have a profound effect on gene expression to drive metabolic pathway reprogramming in not only cancer cells but also surrounding cell types that contribute to anti-tumor immunity. Despite a vast amount of genetic and histologic heterogeneity within and between cancer types, a finite set of pathways are commonly deregulated to support anabolism, catabolism and redox balance. Multiple myeloma (MM) is the second most common hematologic malignancy in adults and remains incurable in the vast majority of patients. Genetic events and the hypoxic bone marrow milieu deregulate glycolysis, glutaminolysis and fatty acid synthesis in MM cells to promote their proliferation, survival, metastasis, drug resistance and evasion of immunosurveillance. Here, we discuss mechanisms that disrupt metabolic pathways in MM cells to support the development of therapeutic resistance and thwart the effects of anti-myeloma immunity. A better understanding of the events that reprogram metabolism in myeloma and immune cells may reveal unforeseen vulnerabilities and advance the rational design of drug cocktails that improve patient survival.
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Affiliation(s)
- Priyanka S. Rana
- Division of Hematology and Oncology, Department of Medicine, Case Western Reserve University, Cleveland, OH, United States
- Immune Oncology Program, Case Comprehensive Cancer Center, Cleveland, OH, United States
| | - Krishna Goparaju
- Division of Hematology and Oncology, Department of Medicine, Case Western Reserve University, Cleveland, OH, United States
- Adult Hematologic Malignancies & Stem Cell Transplant Section, Seidman Cancer Center, University Hospitals Cleveland Medical Center, Cleveland, OH, United States
| | - James J. Driscoll
- Division of Hematology and Oncology, Department of Medicine, Case Western Reserve University, Cleveland, OH, United States
- Immune Oncology Program, Case Comprehensive Cancer Center, Cleveland, OH, United States
- Adult Hematologic Malignancies & Stem Cell Transplant Section, Seidman Cancer Center, University Hospitals Cleveland Medical Center, Cleveland, OH, United States
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Zhang Y, Zhou F, Guan J, Zhou L, Chen B. Action Mechanism of Metformin and Its Application in Hematological Malignancy Treatments: A Review. Biomolecules 2023; 13:biom13020250. [PMID: 36830619 PMCID: PMC9953052 DOI: 10.3390/biom13020250] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Revised: 01/18/2023] [Accepted: 01/20/2023] [Indexed: 02/03/2023] Open
Abstract
Hematologic malignancies (HMs) mainly include acute and chronic leukemia, lymphoma, myeloma and other heterogeneous tumors that seriously threaten human life and health. The common effective treatments are radiotherapy, chemotherapy and hematopoietic stem cell transplantation (HSCT), which have limited options and are prone to tumor recurrence and (or) drug resistance. Metformin is the first-line drug for the treatment of type 2 diabetes (T2DM). Recently, studies identified the potential anti-cancer ability of metformin in both T2DM patients and patients that are non-diabetic. The latest epidemiological and preclinical studies suggested a potential benefit of metformin in the prevention and treatment of patients with HM. The mechanism may involve the activation of the adenosine monophosphate-activated protein kinase (AMPK) signaling pathway by metformin as well as other AMPK-independent pathways to exert anti-cancer properties. In addition, combining current conventional anti-cancer drugs with metformin may improve the efficacy and reduce adverse drug reactions. Therefore, metformin can also be used as an adjuvant therapeutic agent for HM. This paper highlights the anti-hyperglycemic effects and potential anti-cancer effects of metformin, and also compiles the in vitro and clinical trials of metformin as an anti-cancer and chemosensitizing agent for the treatment of HM. The need for future research on the use of metformin in the treatment of HM is indicated.
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Affiliation(s)
| | | | | | | | - Baoan Chen
- Correspondence: ; Tel.: +86-25-8327-2006
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Benyahia Z, Gaudy-Marqueste C, Berenguer-Daizé C, Chabane N, Dussault N, Cayol M, Vellutini C, Djemli A, Nanni I, Beaufils N, Mabrouk K, Grob JJ, Ouafik L. Adrenomedullin Secreted by Melanoma Cells Promotes Melanoma Tumor Growth through Angiogenesis and Lymphangiogenesis. Cancers (Basel) 2022; 14:cancers14235909. [PMID: 36497391 PMCID: PMC9738606 DOI: 10.3390/cancers14235909] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Revised: 11/21/2022] [Accepted: 11/22/2022] [Indexed: 12/03/2022] Open
Abstract
INTRODUCTION Metastatic melanoma is an aggressive tumor and can constitute a real therapeutic challenge despite the significant progress achieved with targeted therapies and immunotherapies, thus highlighting the need for the identification of new therapeutic targets. Adrenomedullin (AM) is a peptide with significant expression in multiple types of tumors and is multifunctional. AM impacts angiogenesis and tumor growth and binds to calcitonin receptor-like receptor/receptor activity-modifying protein 2 or 3 (CLR/RAMP2; CLR/RAMP3). METHODS In vitro and in vivo studies were performed to determine the functional role of AM in melanoma growth and tumor-associated angiogenesis and lymphangiogenesis. RESULTS In this study, AM and AM receptors were immunohistochemically localized in the tumoral compartment of melanoma tissue, suggesting that the AM system plays a role in melanoma growth. We used A375, SK-MEL-28, and MeWo cells, for which we demonstrate an expression of AM and its receptors; hypoxia induces the expression of AM in melanoma cells. The proliferation of A375 and SK-MEL-28 cells is decreased by anti-AM antibody (αAM) and anti-AMR antibodies (αAMR), supporting the fact that AM may function as a potent autocrine/paracrine growth factor for melanoma cells. Furthermore, migration and invasion of melanoma cells increased after treatment with AM and decreased after treatment with αAMR, thus indicating that melanoma cells are regulated by AM. Systemic administration of αAMR reduced neovascularization of in vivo Matrigel plugs containing melanoma cells, as demonstrated by reduced numbers of vessel structures, which suggests that AM is one of the melanoma cells-derived factors responsible for endothelial cell-like and pericyte recruitment in the construction of neovascularization. In vivo, αAMR therapy blocked angiogenesis and lymphangiogenesis and decreased proliferation in MeWo xenografts, thereby resulting in tumor regression. Histological examination of αAMR-treated tumors showed evidence of the disruption of tumor vascularity, with depletion of vascular endothelial cells and a significant decrease in lymphatic endothelial cells. CONCLUSIONS The expression of AM by melanoma cells promotes tumor growth and neovascularization by supplying/amplifying signals for neoangiogenesis and lymphangiogenesis.
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Affiliation(s)
- Zohra Benyahia
- Aix Marseille Univ, CNRS, INP, Inst Neurophysiopathol, 13005 Marseille, France
| | - Caroline Gaudy-Marqueste
- Aix Marseille Univ, APHM, CHU Timone, Service de Dermatologie et de Cancérologie Cutanée, 13005 Marseille, France
| | | | - Norhimane Chabane
- Aix Marseille Univ, CNRS, INP, Inst Neurophysiopathol, 13005 Marseille, France
| | - Nadège Dussault
- Aix Marseille Univ, CNRS, INP, Inst Neurophysiopathol, 13005 Marseille, France
| | - Mylène Cayol
- Aix Marseille Univ, CNRS, INP, Inst Neurophysiopathol, 13005 Marseille, France
| | - Christine Vellutini
- Aix Marseille Univ, CNRS, INP, Inst Neurophysiopathol, 13005 Marseille, France
| | - Amina Djemli
- Aix Marseille Univ, APHM, CHU Nord, Service D’anatomopathologie, 13015 Marseille, France
| | - Isabelle Nanni
- Aix Marseille Univ, APHM, CHU Nord, Service D’Onco-Biologie, 13015 Marseille, France
| | - Nathalie Beaufils
- Aix Marseille Univ, APHM, CHU Nord, Service D’Onco-Biologie, 13015 Marseille, France
| | - Kamel Mabrouk
- Aix Marseille Univ, CNRS, ICR, Institut de Chimie Radicalaire, 13013 Marseille, France
| | - Jean-Jacques Grob
- Aix Marseille Univ, APHM, CHU Timone, Service de Dermatologie et de Cancérologie Cutanée, 13005 Marseille, France
| | - L’Houcine Ouafik
- Aix Marseille Univ, CNRS, INP, Inst Neurophysiopathol, 13005 Marseille, France
- Aix Marseille Univ, APHM, CHU Nord, Service D’Onco-Biologie, 13015 Marseille, France
- Correspondence: ; Tel.: +33-491324447
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Jailani ABA, Bigos KJA, Avgoustou P, Egan JL, Hathway RA, Skerry TM, Richards GO. Targeting the adrenomedullin-2 receptor for the discovery and development of novel anti-cancer agents. Expert Opin Drug Discov 2022; 17:839-848. [PMID: 35733389 DOI: 10.1080/17460441.2022.2090541] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
INTRODUCTION Adrenomedullin (AM) is a peptide responsible for many physiological processes including vascular health and hormone regulation. Dysregulation of AM signaling can stimulate cancers by promoting proliferation, angiogenesis and metastasis. Two AM receptors contribute to tumor progression in different ways. Adrenomedullin-1 receptor (AM1R) regulates blood pressure and blocking AM signaling via AM1R would be clinically unacceptable. Therefore, antagonizing adrenomedullin-2 receptor (AM2R) presents as an avenue for anti-cancer drug development. AREAS COVERED We review the literature to highlight AM's role in cancer as well as delineating the specific roles AM1R and AM2R mediate in the development of a pro-tumoral microenvironment. We highlight the importance of exploring the residue differences between the receptors that led to the development of first-in-class selective AM2R small molecule antagonists. We also summarize the current approaches targeting AM and its receptors, their anti-tumor effects and their limitations. EXPERT OPINION As tool compounds, AM2R antagonists will allow the dissection of the functions of CGRPR (calcitonin gene-related peptide receptor), AM1R and AM2R, and has considerable potential as a first-in-class oncology therapy. Furthermore, the lack of detectable side effects and good drug-like pharmacokinetic properties of these AM2R antagonists support the promise of this class of compounds as potential anti-cancer therapeutics.
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Affiliation(s)
- Ameera B A Jailani
- Department of Oncology and Metabolism, University of Sheffield, Sheffield, UK
| | - Kamilla J A Bigos
- Department of Oncology and Metabolism, University of Sheffield, Sheffield, UK
| | - Paris Avgoustou
- Department of Oncology and Metabolism, University of Sheffield, Sheffield, UK
| | - Joseph L Egan
- Department of Chemistry, University of Sheffield, Sheffield, UK
| | | | - Timothy M Skerry
- Department of Oncology and Metabolism, University of Sheffield, Sheffield, UK
| | - Gareth O Richards
- Department of Oncology and Metabolism, University of Sheffield, Sheffield, UK
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Allegra A, Di Gioacchino M, Tonacci A, Petrarca C, Musolino C, Gangemi S. Multiple Myeloma Cell-Derived Exosomes: Implications on Tumorigenesis, Diagnosis, Prognosis and Therapeutic Strategies. Cells 2021; 10:2865. [PMID: 34831088 PMCID: PMC8616233 DOI: 10.3390/cells10112865] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Revised: 10/20/2021] [Accepted: 10/21/2021] [Indexed: 12/16/2022] Open
Abstract
Multiple myeloma (MM) is a hematological disease that is still not curable. The bone marrow milieu, with cellular and non-cellular elements, participate in the creation of a pro-tumoral environment enhancing growth and survival of MM plasma cells. Exosomes are vesicles oscillating in dimension between 50 nm and 100 nm in size that can be released by various cells and contribute to the pathogenesis and progression of MM. Exosomes enclose proteins, cytokines, lipids, microRNAs, long noncoding RNAs, and circular RNAs able to regulate interactions between MM plasma cells and adjacent cells. Through exosomes, mesenchymal stem cells confer chemoresistance to MM cells, while myeloma cells promote angiogenesis, influence immune response, cause bone lesions, and have an impact on the outcome of MM patients. In this review, we analyze the role played by exosomes in the progression of monoclonal gammopathies and the effects on the proliferation of neoplastic plasma cells, and discuss the possible employment of exosomes as potential targets for the treatment of MM patients.
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Affiliation(s)
- Alessandro Allegra
- Division of Hematology, Department of Human Pathology in Adulthood and Childhood “Gaetano Barresi”, University of Messina, 98125 Messina, Italy;
| | - Mario Di Gioacchino
- Center for Advanced Studies and Technology, G. D’Annunzio University, 66100 Chieti, Italy;
- Institute for Clinical Immunotherapy and Advanced Biological Treatments, 65100 Pescara, Italy
| | - Alessandro Tonacci
- National Research Council of Italy (IFC-CNR), Clinical Physiology Institute, 56124 Pisa, Italy;
| | - Claudia Petrarca
- Center for Advanced Studies and Technology, G. D’Annunzio University, 66100 Chieti, Italy;
- Institute for Clinical Immunotherapy and Advanced Biological Treatments, 65100 Pescara, Italy
- National Research Council of Italy (IFC-CNR), Clinical Physiology Institute, 56124 Pisa, Italy;
- Department of Medicine and Science of Ageing, G. D’Annunzio University, 66100 Chieti, Italy
| | - Caterina Musolino
- Division of Hematology, Department of Human Pathology in Adulthood and Childhood “Gaetano Barresi”, University of Messina, 98125 Messina, Italy;
| | - Sebastiano Gangemi
- Department of Clinical and Experimental Medicine, Unit and School of Allergy and Clinical Immunology, University of Messina, 98125 Messina, Italy;
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Ikeda S, Tagawa H. Impact of hypoxia on the pathogenesis and therapy resistance in multiple myeloma. Cancer Sci 2021; 112:3995-4004. [PMID: 34310776 PMCID: PMC8486179 DOI: 10.1111/cas.15087] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Revised: 07/22/2021] [Accepted: 07/23/2021] [Indexed: 12/15/2022] Open
Abstract
Multiple myeloma (MM) is a refractory plasma cell tumor. In myeloma cells, the transcription factor IRF4, the master regulator of plasma cells, is aberrantly upregulated and plays an essential role in oncogenesis. IRF4 forms a positive feedback loop with MYC, leading to additional tumorigenic properties. In recent years, molecular targeted therapies have contributed to a significant improvement in the prognosis of MM. Nevertheless, almost all patients experience disease progression, which is thought to be a result of treatment resistance induced by various elements of the bone marrow microenvironment. Among these, the hypoxic response, one of the key processes for cellular homeostasis, induces hypoxia‐adapted traits such as undifferentiation, altered metabolism, and dissemination, leading to drug resistance. These inductions are caused by ectopic gene expression changes mediated by the activation of hypoxia‐inducible factors (HIFs). By contrast, the expression levels of IRF4 and MYC are markedly reduced by hypoxic stress. Notably, an anti‐apoptotic capability is usually acquired under both normoxic and hypoxic conditions, but the mechanism is distinct. This fact strongly suggests that myeloma cells may survive by switching their dependent regulatory factors from IRF4 and MYC (normoxic bone marrow region) to HIF (hypoxic bone marrow microenvironment). Therefore, to achieve deep remission, combination therapeutic agents, which are complementarily effective against both IRF4‐MYC‐dominant and HIF‐dominated fractions, may become an important therapeutic strategy for MM.
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Affiliation(s)
- Sho Ikeda
- Department of Hematology, Nephrology, and Rheumatology, Akita University Graduate School of Medicine, Akita, Japan
| | - Hiroyuki Tagawa
- Department of Hematology, Nephrology, and Rheumatology, Akita University Graduate School of Medicine, Akita, Japan
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Grandits AM, Wieser R. Gene expression changes contribute to stemness and therapy resistance of relapsed acute myeloid leukemia: roles of SOCS2, CALCRL, MTSS1, and KDM6A. Exp Hematol 2021; 99:1-11. [PMID: 34029637 PMCID: PMC7612147 DOI: 10.1016/j.exphem.2021.05.004] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Revised: 05/12/2021] [Accepted: 05/14/2021] [Indexed: 12/18/2022]
Abstract
Relapse is associated with therapy resistance and is a major cause of death in acute myeloid leukemia (AML). It is thought to result from the accretion of therapy-refractory leukemic stem cells. Genetic and transcriptional changes that are recurrently gained at relapse are likely to contribute to the increased stemness and decreased therapy responsiveness at this disease stage. Despite the recent approval of several targeted drugs, chemotherapy with cytosine arabinoside and anthracyclines is still the mainstay of AML therapy. Accordingly, a number of studies have investigated genetic and gene expression changes between diagnosis and relapse of patients subjected to such treatment. Genetic alterations recurrently acquired at relapse were identified, but were restricted to small proportions of patients, and their functional characterization is still largely pending. In contrast, the expression of a substantial number of genes was altered consistently between diagnosis and recurrence of AML. Recent studies corroborated the roles of the upregulation of SOCS2 and CALCRL and of the downregulation of MTSS1 and KDM6A in therapy resistance and/or stemness of AML. These findings spur the assumption that functional investigations of genes consistently altered at recurrence of AML have the potential to promote the development of novel targeted drugs that may help to improve the outcome of this currently often fatal disease.
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Affiliation(s)
- Alexander M Grandits
- Division of Oncology, Department of Medicine I, Medical University of Vienna, Vienna, Austria; Comprehensive Cancer Center, Vienna, Austria
| | - Rotraud Wieser
- Division of Oncology, Department of Medicine I, Medical University of Vienna, Vienna, Austria; Comprehensive Cancer Center, Vienna, Austria.
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Myeloma-specific superenhancers affect genes of biological and clinical relevance in myeloma. Blood Cancer J 2021; 11:32. [PMID: 33579893 PMCID: PMC7881003 DOI: 10.1038/s41408-021-00421-7] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2020] [Revised: 12/14/2020] [Accepted: 01/20/2021] [Indexed: 01/09/2023] Open
Abstract
Multiple myeloma (MM) is an aggressive plasma cell neoplasm characterized by genomic heterogeneity. Superenhancers (SEs) are defined as large clusters of enhancers in close genomic proximity, which regulate genes for maintaining cellular identity and promote oncogenic transcription to which cancer cells highly addicted. Here, we analyzed cis-regulatory elements in MM samples with H3K27ac ChIP-seq, to identify novel SE-associated genes involved in the myeloma pathogenesis. SEs and their associated genes in cancerous tissue were compared with the control samples, and we found SE analysis alone uncovered cell-lineage-specific transcription factors and well-known oncogenes ST3GAL6 and ADM. Using a transcriptional CDK7 inhibitor, THZ1, coupled with H3K27ac ChlP-seq, we identified MAGI2 as a novel SE-associated gene of myeloma cells. Elevated MAGI2 was related to myelomagenesis with gradual increased expression from MGUS, SMM to newly diagnosed and relapsed MM. High prevalence of MAGI2 was also associated with poor survival of MM patients. Importantly, inhibition of the SE activity associated with MAGI2 decreased MAGI2 expression, inhibited cell growth and induced cell apoptosis. Mechanistically, we revealed that the oncogenic transcription factor, MAF, directly bound to the SE region and activated gene transcription. In summary, the discoveries of these acquired SEs-associated genes and the novel mechanism by which they are regulated provide new insights into MM biology and MAGI2-MAF-SE regulatory circuit offer potential novel targets for disease treatment.
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11
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Adrenomedullin-CALCRL axis controls relapse-initiating drug tolerant acute myeloid leukemia cells. Nat Commun 2021; 12:422. [PMID: 33462236 PMCID: PMC7813857 DOI: 10.1038/s41467-020-20717-9] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Accepted: 12/16/2020] [Indexed: 02/07/2023] Open
Abstract
Drug tolerant/resistant leukemic stem cell (LSC) subpopulations may explain frequent relapses in acute myeloid leukemia (AML), suggesting that these relapse-initiating cells (RICs) persistent after chemotherapy represent bona fide targets to prevent drug resistance and relapse. We uncover that calcitonin receptor-like receptor (CALCRL) is expressed in RICs, and that the overexpression of CALCRL and/or of its ligand adrenomedullin (ADM), and not CGRP, correlates to adverse outcome in AML. CALCRL knockdown impairs leukemic growth, decreases LSC frequency, and sensitizes to cytarabine in patient-derived xenograft models. Mechanistically, the ADM-CALCRL axis drives cell cycle, DNA repair, and mitochondrial OxPHOS function of AML blasts dependent on E2F1 and BCL2. Finally, CALCRL depletion reduces LSC frequency of RICs post-chemotherapy in vivo. In summary, our data highlight a critical role of ADM-CALCRL in post-chemotherapy persistence of these cells, and disclose a promising therapeutic target to prevent relapse in AML. Leukemic stem cells which are resistant to chemotherapy are proposed as relapse-initiating cells (RICs). Here, the authors show that targeting the adrenomedullin-calcitonin receptor-like receptor decreases RICs frequency improving chemotherapy response in AML preclinical models.
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Russignan A, Dal Collo G, Bagnato A, Tamassia N, Bugatti M, Belleri M, Lorenzi L, Borsi E, Bazzoni R, Gottardi M, Terragna C, Vermi W, Giacomini A, Presta M, Cassatella MA, Krampera M, Tecchio C. Targeting the Endothelin-1 Receptors Curtails Tumor Growth and Angiogenesis in Multiple Myeloma. Front Oncol 2021; 10:600025. [PMID: 33489901 PMCID: PMC7820698 DOI: 10.3389/fonc.2020.600025] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2020] [Accepted: 11/16/2020] [Indexed: 12/17/2022] Open
Abstract
The endothelin-1 (ET-1) receptors were recently found to mediate pro-survival functions in multiple myeloma (MM) cells in response to autocrine ET-1. This study investigated the effectiveness of macitentan, a dual ET-1 receptor antagonist, in MM treatment, and the mechanisms underlying its activities. Macitentan affected significantly MM cell (RPMI-8226, U266, KMS-12-PE) survival and pro-angiogenic cytokine release by down-modulating ET-1-activated MAPK/ERK and HIF-1α pathways, respectively. HIF-1α silencing abrogated the ET-1 mediated induction of genes encoding for pro-angiogenic cytokines such as VEGF-A, IL-8, Adrenomedullin, and ET-1 itself. Upon exposure to macitentan, MM cells cultured in the presence of the hypoxia-mimetic agent CoCl2, exogenous ET-1, or CoCl2 plus ET-1, down-regulated HIF-1α and the transcription and release of downstream pro-angiogenic cytokines. Consistently, macitentan limited significantly the basal pro-angiogenic activity of RPMI-8226 cells in chorioallantoic membrane assay. In xenograft mouse models, established by injecting NOG mice either via intra-caudal vein with U266 or subcutaneously with RPMI-8226 cells, macitentan reduced effectively the number of MM cells infiltrating bone marrow, and the size and microvascular density of subcutaneous MM tumors. ET-1 receptors targeting by macitentan represents an effective anti-proliferative and anti-angiogenic therapeutic approach in preclinical settings of MM.
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Affiliation(s)
- Anna Russignan
- Section of Hematology and Bone-Marrow Transplant Unit, Department of Medicine, University of Verona, Verona, Italy
| | - Giada Dal Collo
- Section of Hematology and Bone-Marrow Transplant Unit, Department of Medicine, University of Verona, Verona, Italy
| | - Anna Bagnato
- Preclinical Models and New Therapeutic Agents Unit, IRCCS Regina Elena National Cancer Institute, Rome, Italy
| | - Nicola Tamassia
- Section of General Pathology, Department of Medicine, University of Verona, Verona, Italy
| | - Mattia Bugatti
- Section of Pathology, Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy
| | - Mirella Belleri
- Experimental Oncology and Immunology Unit, Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy
| | - Luisa Lorenzi
- Section of Pathology, Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy
| | - Enrica Borsi
- Department of Experimental Diagnostic and Specialty Medicine (DIMES), "L. and A. Seràgnoli", Bologna University, Bologna, Italy
| | - Riccardo Bazzoni
- Section of Hematology and Bone-Marrow Transplant Unit, Department of Medicine, University of Verona, Verona, Italy
| | | | - Carolina Terragna
- Department of Experimental Diagnostic and Specialty Medicine (DIMES), "L. and A. Seràgnoli", Bologna University, Bologna, Italy
| | - William Vermi
- Section of Pathology, Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy
| | - Arianna Giacomini
- Experimental Oncology and Immunology Unit, Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy
| | - Marco Presta
- Experimental Oncology and Immunology Unit, Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy
| | | | - Mauro Krampera
- Section of Hematology and Bone-Marrow Transplant Unit, Department of Medicine, University of Verona, Verona, Italy
| | - Cristina Tecchio
- Section of Hematology and Bone-Marrow Transplant Unit, Department of Medicine, University of Verona, Verona, Italy
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Kocemba-Pilarczyk KA, Trojan S, Ostrowska B, Lasota M, Dudzik P, Kusior D, Kot M. Influence of metformin on HIF-1 pathway in multiple myeloma. Pharmacol Rep 2020; 72:1407-1417. [PMID: 32715434 PMCID: PMC7550387 DOI: 10.1007/s43440-020-00142-x] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2019] [Revised: 07/15/2020] [Accepted: 07/15/2020] [Indexed: 01/27/2023]
Abstract
BACKGROUND Multiple myeloma (MM) is defined as plasma cells malignancy, developing in the bone marrow. At the beginning of the disease, the malignant plasma cells are dependent on bone marrow microenvironment, providing growth and survival factors. Importantly, the recent studies pointed hypoxia as an important factor promoting progression of MM. In particular, hypoxia-triggered HIF-1 signaling was shown to promote chemoresistance, angiogenesis, invasiveness and induction of immature phenotype, suggesting that strategies targeting HIF-1 may contribute to improvement of anti-myeloma therapies. METHODS The Western Blot and RT-PCR techniques were applied to analyze the influence of metformin on HIF-1 pathway in MM cells. To evaluate the effect of metformin on the growth of MM cell lines in normoxic and hypoxic conditions the MTT assay was used. The apoptosis induction in metformin treated hypoxic and normoxic cells was verified by Annexin V/PI staining followed by FACS analysis. RESULTS Our results showed, for the first time, that metformin inhibits HIF-1 signaling in MM cells. Moreover, we demonstrated the effect of metformin to be mainly oxygen dependent, since the HIF-1 pathway was not significantly affected by metformin in anoxic conditions as well as after application of hypoxic mimicking compound, CoCl2. Our data also revealed that metformin triggers the growth arrest without inducing apoptosis in either normoxic or hypoxic conditions. CONCLUSIONS Taken together, our study indicates metformin as a promising candidate for developing new treatment strategies exploiting HIF-1 signaling inhibition to enhance the overall anti-MM effect of currently used therapies, that may considerably benefit MM patients.
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Affiliation(s)
- Kinga A Kocemba-Pilarczyk
- Medical Biochemistry, Jagiellonian University-Medical College, ul. Kopernika 7, 31-034, Kraków, Poland.
| | - Sonia Trojan
- Medical Biochemistry, Jagiellonian University-Medical College, ul. Kopernika 7, 31-034, Kraków, Poland
| | - Barbara Ostrowska
- Medical Biochemistry, Jagiellonian University-Medical College, ul. Kopernika 7, 31-034, Kraków, Poland
| | - Małgorzata Lasota
- Department of Transplantation, Jagiellonian University Medical College, Kraków, Poland
| | - Paulina Dudzik
- Medical Biochemistry, Jagiellonian University-Medical College, ul. Kopernika 7, 31-034, Kraków, Poland
| | - Dorota Kusior
- Medical Biochemistry, Jagiellonian University-Medical College, ul. Kopernika 7, 31-034, Kraków, Poland
| | - Marta Kot
- Department of Transplantation, Jagiellonian University Medical College, Kraków, Poland
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14
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Angenendt L, Bormann E, Pabst C, Alla V, Görlich D, Braun L, Dohlich K, Schwöppe C, Bohlander SK, Arteaga MF, Wethmar K, Hartmann W, Angenendt A, Kessler T, Mesters RM, Stelljes M, Rothenberg-Thurley M, Spiekermann K, Hébert J, Sauvageau G, Valk PJM, Löwenberg B, Serve H, Müller-Tidow C, Lenz G, Wörmann BJ, Sauerland MC, Hiddemann W, Berdel WE, Krug U, Metzeler KH, Mikesch JH, Herold T, Schliemann C. The neuropeptide receptor calcitonin receptor-like (CALCRL) is a potential therapeutic target in acute myeloid leukemia. Leukemia 2019; 33:2830-2841. [PMID: 31182782 DOI: 10.1038/s41375-019-0505-x] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2019] [Revised: 04/12/2019] [Accepted: 04/18/2019] [Indexed: 11/09/2022]
Abstract
Calcitonin receptor-like (CALCRL) is a G-protein-coupled neuropeptide receptor involved in the regulation of blood pressure, angiogenesis, cell proliferation, and apoptosis, and is currently emerging as a novel target for the treatment of migraine. This study characterizes the role of CALCRL in acute myeloid leukemia (AML). We analyzed CALCRL expression in collectively more than 1500 well-characterized AML patients from five international cohorts (AMLCG, HOVON, TCGA, Leucegene, and UKM) and evaluated associations with survival. In the AMLCG analytic cohort, increasing transcript levels of CALCRL were associated with decreasing complete remission rates (71.5%, 53.7%, 49.6% for low, intermediate, high CALCRL expression), 5-year overall (43.1%, 26.2%, 7.1%), and event-free survival (29.9%, 15.8%, 4.7%) (all P < 0.001). CALCRL levels remained associated with all endpoints on multivariable regression analyses. The prognostic impact was confirmed in all validation sets. Genes highly expressed in CALCRLhigh AML were significantly enriched in leukemic stem cell signatures and CALCRL levels were positively linked to the engraftment capacity of primary patient samples in immunocompromised mice. CRISPR-Cas9-mediated knockout of CALCRL significantly impaired colony formation in human myeloid leukemia cell lines. Overall, our study demonstrates that CALCRL predicts outcome beyond existing risk factors and is a potential therapeutic target in AML.
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Affiliation(s)
- Linus Angenendt
- Department of Medicine A, University Hospital Münster, Münster, Germany.
| | - Eike Bormann
- Institute of Biostatistics and Clinical Research, University of Münster, Münster, Germany
| | - Caroline Pabst
- Department of Medicine V, University Hospital Heidelberg, Heidelberg, Germany
| | - Vijay Alla
- Department of Medicine A, University Hospital Münster, Münster, Germany
| | - Dennis Görlich
- Institute of Biostatistics and Clinical Research, University of Münster, Münster, Germany
| | - Leonie Braun
- Department of Medicine A, University Hospital Münster, Münster, Germany
| | - Kim Dohlich
- Department of Medicine A, University Hospital Münster, Münster, Germany
| | | | - Stefan K Bohlander
- Leukaemia & Blood Cancer Research Unit, Department of Molecular Medicine and Pathology, University of Auckland, Auckland, New Zealand
| | | | - Klaus Wethmar
- Department of Medicine A, University Hospital Münster, Münster, Germany
| | - Wolfgang Hartmann
- Gerhard-Domagk-Institute of Pathology, University Hospital Münster, Münster, Germany
| | - Adrian Angenendt
- Department of Biophysics, Faculty of Medicine, Centre for Integrative Physiology and Molecular Medicine (CIPMM), Saarland University, Homburg, Germany
| | - Torsten Kessler
- Department of Medicine A, University Hospital Münster, Münster, Germany
| | - Rolf M Mesters
- Department of Medicine A, University Hospital Münster, Münster, Germany
| | - Matthias Stelljes
- Department of Medicine A, University Hospital Münster, Münster, Germany
| | | | - Karsten Spiekermann
- Department of Medicine III, University Hospital Grosshadern, LMU Munich, Munich, Germany
| | - Josée Hébert
- The Leucegene Project at Institute for Research in Immunology and Cancer, University of Montreal, Montreal, QC, Canada.,Division of Hematology-Oncology, Maisonneuve-Rosemont Hospital, Montreal, QC, Canada.,Quebec Leukemia Cell Bank, Maisonneuve-Rosemont Hospital, Montreal, QC, Canada.,Department of Medicine, University of Montreal, Montreal, QC, Canada
| | - Guy Sauvageau
- The Leucegene Project at Institute for Research in Immunology and Cancer, University of Montreal, Montreal, QC, Canada.,Division of Hematology-Oncology, Maisonneuve-Rosemont Hospital, Montreal, QC, Canada.,Quebec Leukemia Cell Bank, Maisonneuve-Rosemont Hospital, Montreal, QC, Canada.,Department of Medicine, University of Montreal, Montreal, QC, Canada
| | - Peter J M Valk
- Department of Hematology, Erasmus University Medical Centre, Rotterdam, The Netherlands
| | - Bob Löwenberg
- Department of Hematology, Erasmus University Medical Centre, Rotterdam, The Netherlands
| | - Hubert Serve
- Department of Hematology and Oncology, University Hospital Frankfurt, Frankfurt, Germany
| | | | - Georg Lenz
- Department of Medicine A, University Hospital Münster, Münster, Germany
| | - Bernhard J Wörmann
- Department of Hematology, Oncology and Tumor Immunology, Charité University Medicine, Campus Virchow, Berlin, Germany
| | - M Christina Sauerland
- Institute of Biostatistics and Clinical Research, University of Münster, Münster, Germany
| | - Wolfgang Hiddemann
- Department of Medicine III, University Hospital Grosshadern, LMU Munich, Munich, Germany
| | - Wolfgang E Berdel
- Department of Medicine A, University Hospital Münster, Münster, Germany
| | - Utz Krug
- Department of Medicine 3, Klinikum Leverkusen, Leverkusen, Germany
| | - Klaus H Metzeler
- Department of Medicine III, University Hospital Grosshadern, LMU Munich, Munich, Germany
| | | | - Tobias Herold
- Department of Medicine III, University Hospital Grosshadern, LMU Munich, Munich, Germany. .,Research Unit Apoptosis in Hematopoietic Stem Cells, Helmholtz Zentrum München, German Center for Environmental Health (HMGU), Munich, Germany.
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15
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Gonzalez-Avila G, Sommer B, Mendoza-Posada DA, Ramos C, Garcia-Hernandez AA, Falfan-Valencia R. Matrix metalloproteinases participation in the metastatic process and their diagnostic and therapeutic applications in cancer. Crit Rev Oncol Hematol 2019; 137:57-83. [PMID: 31014516 DOI: 10.1016/j.critrevonc.2019.02.010] [Citation(s) in RCA: 204] [Impact Index Per Article: 40.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2018] [Revised: 02/11/2019] [Accepted: 02/24/2019] [Indexed: 12/13/2022] Open
Abstract
Matrix metalloproteinases (MMPs) participate from the initial phases of cancer onset to the settlement of a metastatic niche in a second organ. Their role in cancer progression is related to their involvement in the extracellular matrix (ECM) degradation and in the regulation and processing of adhesion and cytoskeletal proteins, growth factors, chemokines and cytokines. MMPs participation in cancer progression makes them an attractive target for cancer therapy. MMPs have also been used for theranostic purposes in the detection of primary tumor and metastatic tissue in which a particular MMP is overexpressed, to follow up on therapy responses, and in the activation of cancer cytotoxic pro-drugs as part of nano-delivery-systems that increase drug concentration in a specific tumor target. Herein, we review MMPs molecular characteristics, their synthesis regulation and enzymatic activity, their participation in the metastatic process, and how their functions have been used to improve cancer treatment.
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Affiliation(s)
- Georgina Gonzalez-Avila
- Laboratorio Oncología Biomédica, Instituto Nacional de Enfermedades Respiratorias "Ismael Cosío Villegas", Mexico City, Mexico.
| | - Bettina Sommer
- Departamento de Investigación en Hiperreactividad Bronquial, Instituto Nacional de Enfermedades Respiratorias "Ismael Cosío Villegas", Mexico City, Mexico
| | | | - Carlos Ramos
- Laboratorio de Biología Celular, Departamento de Fibrosis Pulmonar, Instituto Nacional de Enfermedades Respiratorias "Ismael Cosío Villegas", Mexico City, Mexico
| | - A Armando Garcia-Hernandez
- Laboratorio Oncología Biomédica, Instituto Nacional de Enfermedades Respiratorias "Ismael Cosío Villegas", Mexico City, Mexico
| | - Ramces Falfan-Valencia
- Laboratorio de HLA, Departamento de Inmunogenética y Alergia, Instituto Nacional de Enfermedades Respiratorias "Ismael Cosío Villegas", Mexico City, Mexico
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16
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Schneiderova P, Pika T, Gajdos P, Fillerova R, Kromer P, Kudelka M, Minarik J, Papajik T, Scudla V, Kriegova E. Serum protein fingerprinting by PEA immunoassay coupled with a pattern-recognition algorithms distinguishes MGUS and multiple myeloma. Oncotarget 2017; 8:69408-69421. [PMID: 29050213 PMCID: PMC5642488 DOI: 10.18632/oncotarget.11242] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2016] [Accepted: 07/28/2016] [Indexed: 12/26/2022] Open
Abstract
Serum protein fingerprints associated with MGUS and MM and their changes in MM after autologous stem cell transplantation (MM-ASCT, day 100) remain unexplored. Using highly-sensitive Proximity Extension ImmunoAssay on 92 cancer biomarkers (Proseek Multiplex, Olink), enhanced serum levels of Adrenomedullin (ADM, Pcorr= .0004), Growth differentiation factor 15 (GDF15, Pcorr= .003), and soluble Major histocompatibility complex class I-related chain A (sMICA, Pcorr= .023), all prosurvival and chemoprotective factors for myeloma cells, were detected in MM comparing to MGUS. Comparison of MGUS and healthy subjects revealed elevation of angiogenic and antia-poptotic midkine (Pcorr= .0007) and downregulation of Transforming growth factor beta 1 (TGFB1, Pcorr= .005) in MGUS. Importantly, altered serum pattern was associated with MM-ASCT compared to paired MM at the diagnosis as well as to healthy controls, namely by upregulated B-Cell Activating Factor (sBAFF) (Pcorr< .006) and sustained elevation of other pro-tumorigenic factors. In conclusion, the serum fingerprints of MM and MM-ASCT were characteristic by elevated levels of prosurvival and chemoprotective factors for myeloma cells.
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Affiliation(s)
- Petra Schneiderova
- Department of Immunology, Faculty of Medicine and Dentistry, Palacky University Olomouc, Olomouc, Czech Republic
| | - Tomas Pika
- Department of Hemato-Oncology, Faculty of Medicine and Dentistry, Palacky University and University Hospital, Olomouc, Czech Republic
| | - Petr Gajdos
- Department of Computer Science, Faculty of Electrical Engineering and Computer Science, VSB-Technical University of Ostrava, Ostrava, Czech Republic
| | - Regina Fillerova
- Department of Immunology, Faculty of Medicine and Dentistry, Palacky University Olomouc, Olomouc, Czech Republic
| | - Pavel Kromer
- Department of Computer Science, Faculty of Electrical Engineering and Computer Science, VSB-Technical University of Ostrava, Ostrava, Czech Republic
| | - Milos Kudelka
- Department of Computer Science, Faculty of Electrical Engineering and Computer Science, VSB-Technical University of Ostrava, Ostrava, Czech Republic
| | - Jiri Minarik
- Department of Hemato-Oncology, Faculty of Medicine and Dentistry, Palacky University and University Hospital, Olomouc, Czech Republic
| | - Tomas Papajik
- Department of Hemato-Oncology, Faculty of Medicine and Dentistry, Palacky University and University Hospital, Olomouc, Czech Republic
| | - Vlastimil Scudla
- Department of Hemato-Oncology, Faculty of Medicine and Dentistry, Palacky University and University Hospital, Olomouc, Czech Republic
| | - Eva Kriegova
- Department of Immunology, Faculty of Medicine and Dentistry, Palacky University Olomouc, Olomouc, Czech Republic
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Exosomes promote bone marrow angiogenesis in hematologic neoplasia: the role of hypoxia. Curr Opin Hematol 2016; 23:268-73. [PMID: 26866730 DOI: 10.1097/moh.0000000000000235] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
PURPOSE OF REVIEW To review the data on angiogenesis related to exosomes secreted by tumor cells in hematologic neoplasia and to elucidate the role of exosomes and exosomal miRNA in the bone marrow microenvironment, especially under hypoxic conditions. RECENT FINDINGS Cross-talk between bone marrow tumor cells and surrounding cells, including endothelial cells, is important for tumor growth in hematologic neoplasia. In addition to conventional signaling pathways, exosomes, which are small endosome-derived vesicles containing miRNAs, can help to modulate the microenvironment without directly contacting nontumorous cells. The human myeloid leukemia cell line K562 secretes exosomes containing a large amount of miR-92a that enhances angiogenesis under normoxic and hypoxic conditions. With chronic hypoxia, exosomes secreted by multiple myeloma cells also enhance angiogenesis by targeting factor-inhibiting hypoxia-inducible factor-1 via miR-135b. SUMMARY Intercellular communication between tumor cells and a heterogeneous population of bone marrow stromal cells is mediated by exosomes containing various functional proteins, mRNA, and miRNA. Hypoxia is a major regulator of exosomal content and affects angiogenesis in various types of hematologic neoplasia. Functional analysis of exosomes and exosome-mediated cell-cell interactions not only clarifies molecular pathogenesis but also suggests new treatment strategies for hematologic neoplasia through targeting exosomes.
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van Keimpema M, Grüneberg LJ, Schilder-Tol EJM, Oud MECM, Beuling EA, Hensbergen PJ, de Jong J, Pals ST, Spaargaren M. The small FOXP1 isoform predominantly expressed in activated B cell-like diffuse large B-cell lymphoma and full-length FOXP1 exert similar oncogenic and transcriptional activity in human B cells. Haematologica 2016; 102:573-583. [PMID: 27909217 PMCID: PMC5394978 DOI: 10.3324/haematol.2016.156455] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2016] [Accepted: 11/24/2016] [Indexed: 12/23/2022] Open
Abstract
The forkhead transcription factor FOXP1 is generally regarded as an oncogene in activated B cell-like diffuse large B-cell lymphoma. Previous studies have suggested that a small isoform of FOXP1 rather than full-length FOXP1, may possess this oncogenic activity. Corroborating those studies, we herein show that activated B cell-like diffuse large B-cell lymphoma cell lines and primary activated B cell-like diffuse large B-cell lymphoma cells predominantly express a small FOXP1 isoform, and that the 5′-end of the Foxp1 gene is a common insertion site in murine lymphomas in leukemia virus- and transposon-mediated insertional mutagenesis screens. By combined mass spectrometry, (quantative) reverse transcription polymerase chain reaction/sequencing, and small interfering ribonucleic acid-mediated gene silencing, we determined that the small FOXP1 isoform predominantly expressed in activated B cell-like diffuse large B-cell lymphoma lacks the N-terminal 100 amino acids of full-length FOXP1. Aberrant overexpression of this FOXP1 isoform (ΔN100) in primary human B cells revealed its oncogenic capacity; it repressed apoptosis and plasma cell differentiation. However, no difference in potency was found between this small FOXP1 isoform and full-length FOXP1. Furthermore, overexpression of full-length FOXP1 or this small FOXP1 isoform in primary B cells and diffuse large B-cell lymphoma cell lines resulted in similar gene regulation. Taken together, our data indicate that this small FOXP1 isoform and full-length FOXP1 have comparable oncogenic and transcriptional activity in human B cells, suggesting that aberrant expression or overexpression of FOXP1, irrespective of the specific isoform, contributes to lymphomagenesis. These novel insights further enhance the value of FOXP1 for the diagnostics, prognostics, and treatment of diffuse large B-cell lymphoma patients.
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Affiliation(s)
- Martine van Keimpema
- Department of Pathology, Lymphoma and Myeloma Center Amsterdam (LYMMCARE), Academic Medical Center, Leiden University Medical Center, Amsterdam, The Netherlands
| | - Leonie J Grüneberg
- Department of Pathology, Lymphoma and Myeloma Center Amsterdam (LYMMCARE), Academic Medical Center, Leiden University Medical Center, Amsterdam, The Netherlands
| | - Esther J M Schilder-Tol
- Department of Pathology, Lymphoma and Myeloma Center Amsterdam (LYMMCARE), Academic Medical Center, Leiden University Medical Center, Amsterdam, The Netherlands
| | - Monique E C M Oud
- Department of Pathology, Lymphoma and Myeloma Center Amsterdam (LYMMCARE), Academic Medical Center, Leiden University Medical Center, Amsterdam, The Netherlands
| | - Esther A Beuling
- Department of Pathology, Lymphoma and Myeloma Center Amsterdam (LYMMCARE), Academic Medical Center, Leiden University Medical Center, Amsterdam, The Netherlands
| | - Paul J Hensbergen
- Center for Proteomics and Metabolomics, Leiden University Medical Center, Amsterdam, The Netherlands
| | - Johann de Jong
- Division of Molecular Carcinogenesis, Netherlands Cancer institute, Amsterdam, The Netherlands
| | - Steven T Pals
- Department of Pathology, Lymphoma and Myeloma Center Amsterdam (LYMMCARE), Academic Medical Center, Leiden University Medical Center, Amsterdam, The Netherlands
| | - Marcel Spaargaren
- Department of Pathology, Lymphoma and Myeloma Center Amsterdam (LYMMCARE), Academic Medical Center, Leiden University Medical Center, Amsterdam, The Netherlands
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Greillier L, Tounsi A, Berenguer-Daizé C, Dussault N, Delfino C, Benyahia Z, Cayol M, Mabrouk K, Garcia S, Martin PM, Barlesi F, Ouafik L. Functional Analysis of the Adrenomedullin Pathway in Malignant Pleural Mesothelioma. J Thorac Oncol 2016; 11:94-107. [PMID: 26762744 DOI: 10.1016/j.jtho.2015.09.004] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2015] [Revised: 09/25/2015] [Accepted: 09/28/2015] [Indexed: 11/18/2022]
Abstract
INTRODUCTION Malignant pleural mesothelioma (MPM) grows aggressively within the thoracic cavity and has a very low cure rate, thus highlighting the need for identification of new therapeutic targets. Adrenomedullin (AM) is a multifunctional peptide that is highly expressed in several tumors and plays an important role in angiogenesis and tumor growth after binding to its receptors, calcitonin receptor-like receptor/receptor activity-modifying protein 2 (CLR/RAMP2) and calcitonin receptor-like receptor/receptor activity-modifying protein 3 (CLR/RAMP3). METHODS Real time quantitative reverse transcriptase polymerase chain reaction (RT-PCR) was used to assess the steady-state levels of AM, CLR, RAMP2 and RAMP3 messenger RNA (mRNA) transcripts in normal pleural tissue (n=5) and MPM (n=24). The expression of these candidates at protein level was revealed by immunohistochemistry. We also characterized the expression and regulation by hypoxia of AM system in MPM cell lines and MeT-5A cells. In vitro and in vivo studies were performed to determine the functional role of AM system in MPM. RESULTS In this study, real-time quantitative reverse transcriptase polymerase chain reaction showed twofold to 10-fold higher levels of AM messenger RNA in MPM tissue than in normal pleural tissue. The MPM cell lines H2452, H2052, and human mesothelioma cell line MSTO-211H showed a significant increase in expression of AM messenger RNA under hypoxic conditions. Our results also show that AM stimulates cell proliferation in vitro through the Raf1 proto-oncogene, serine/threonine kinase (CRAF)/ Mitogen-activated protein kinase kinase 1 (MEK)/Extracellular regulated MAPKinase (ERK) pathway. Furthermore, the proliferation, migration, and invasion of MPM cells were decreased after treatment with anti-AM (αAM) and anti-AM receptor antibodies, thus indicating that MPM cells are regulated by AM. The action of AM was specific and mediated by CLR/RAMP2 and CLR/RAMP3 receptors. In vivo, αAM and AM22-52 antagonist therapies blocked angiogenesis and induced apoptosis in MSTO-211H xenografts, thereby resulting in tumor regression. Histologic examination of tumors treated with AM22-52 and αAM antibody showed evidence of disruption of tumor vasculature with depletion of vascular endothelial cells and a significant decrease in lymphatic endothelial cells. CONCLUSIONS Our findings highlight the importance of the AM pathway in growth of MPM and in neovascularization by supplying and amplifying signals that are essential for pathologic neoangiogenesis and lymphangiogenesis.
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MESH Headings
- Adrenomedullin/genetics
- Adrenomedullin/metabolism
- Animals
- Apoptosis
- Biomarkers, Tumor/genetics
- Biomarkers, Tumor/metabolism
- Blotting, Western
- Calcitonin Receptor-Like Protein/genetics
- Calcitonin Receptor-Like Protein/metabolism
- Cell Movement
- Cell Proliferation
- Flow Cytometry
- Gene Expression Regulation, Neoplastic
- Humans
- Immunoenzyme Techniques
- Lung Neoplasms/genetics
- Lung Neoplasms/metabolism
- Lung Neoplasms/pathology
- Mesothelioma/genetics
- Mesothelioma/metabolism
- Mesothelioma/pathology
- Mesothelioma, Malignant
- Mice
- Mice, Nude
- Neovascularization, Pathologic
- Pleural Neoplasms/genetics
- Pleural Neoplasms/metabolism
- Pleural Neoplasms/pathology
- Proto-Oncogene Mas
- RNA, Messenger/genetics
- Real-Time Polymerase Chain Reaction
- Receptor Activity-Modifying Protein 2/genetics
- Receptor Activity-Modifying Protein 2/metabolism
- Receptor Activity-Modifying Protein 3/genetics
- Receptor Activity-Modifying Protein 3/metabolism
- Receptors, Adrenomedullin/genetics
- Receptors, Adrenomedullin/metabolism
- Reverse Transcriptase Polymerase Chain Reaction
- Tumor Cells, Cultured
- Xenograft Model Antitumor Assays
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Affiliation(s)
- Laurent Greillier
- Aix-Marseille University, CRO2 UMR 911, Marseille, France; INSERM, CRO2 UMR 911, Marseille, France; Assistance Publique Hopitaux de Marseille, Service d'Oncologie Multidisciplinaire et Innovations Thérapeutiques, Marseille, France.
| | - Asma Tounsi
- Aix-Marseille University, CRO2 UMR 911, Marseille, France; INSERM, CRO2 UMR 911, Marseille, France
| | - Caroline Berenguer-Daizé
- Aix-Marseille University, CRO2 UMR 911, Marseille, France; INSERM, CRO2 UMR 911, Marseille, France
| | - Nadège Dussault
- Aix-Marseille University, CRO2 UMR 911, Marseille, France; INSERM, CRO2 UMR 911, Marseille, France
| | - Christine Delfino
- Aix-Marseille University, CRO2 UMR 911, Marseille, France; INSERM, CRO2 UMR 911, Marseille, France
| | - Zohra Benyahia
- Aix-Marseille University, CRO2 UMR 911, Marseille, France; INSERM, CRO2 UMR 911, Marseille, France
| | - Mylène Cayol
- Aix-Marseille University, CRO2 UMR 911, Marseille, France; INSERM, CRO2 UMR 911, Marseille, France
| | - Kamel Mabrouk
- Aix-Marseille University, LCP UMR 6264, CROPS, Marseille, France
| | - Stéphane Garcia
- Assistance Publique Hopitaux de Marseille, Service d'Anatomie et de Cytologie Pathologiques, Marseille, France
| | - Pierre-Marie Martin
- Aix-Marseille University, CRO2 UMR 911, Marseille, France; INSERM, CRO2 UMR 911, Marseille, France; Assistance Publique Hopitaux de Marseille, Service de Transfert d'Oncologie Biologique, Marseille, France
| | - Fabrice Barlesi
- Aix-Marseille University, CRO2 UMR 911, Marseille, France; INSERM, CRO2 UMR 911, Marseille, France; Assistance Publique Hopitaux de Marseille, Service d'Oncologie Multidisciplinaire et Innovations Thérapeutiques, Marseille, France
| | - L'Houcine Ouafik
- Aix-Marseille University, CRO2 UMR 911, Marseille, France; INSERM, CRO2 UMR 911, Marseille, France; Assistance Publique Hopitaux de Marseille, Service de Transfert d'Oncologie Biologique, Marseille, France
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20
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Testa U, Saulle E, Castelli G, Pelosi E. Endothelial progenitor cells in hematologic malignancies. Stem Cell Investig 2016; 3:26. [PMID: 27583252 DOI: 10.21037/sci.2016.06.07] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2016] [Accepted: 05/23/2016] [Indexed: 01/09/2023]
Abstract
Studies carried out in the last years have improved the understanding of the cellular and molecular mechanisms controlling angiogenesis during adult life in normal and pathological conditions. Some of these studies have led to the identification of some progenitor cells that sustain angiogenesis through indirect, paracrine mechanisms (hematopoietic angiogenic cells) and through direct mechanisms, i.e., through their capacity to generate a progeny of phenotypically and functionally competent endothelial cells [endothelial colony forming cells (ECFCs)]. The contribution of these progenitors to angiogenetic processes under physiological and pathological conditions is intensively investigated. Angiogenetic mechanisms are stimulated in various hematological malignancies, including chronic myeloid leukemia (CML), acute myeloid leukemia (AML), myelodysplastic syndromes and multiple myeloma, resulting in an increased angiogenesis that contributes to disease progression. In some of these conditions there is preliminary evidence that some endothelial cells could derive from the malignant clone, thus leading to the speculation that the leukemic cell derives from the malignant transformation of a hemangioblastic progenitor, i.e., of a cell capable of differentiation to the hematopoietic and to the endothelial cell lineages. Our understanding of the mechanisms underlying increased angiogenesis in these malignancies not only contributed to a better knowledge of the mechanisms responsible for tumor progression, but also offered the way for the discovery of new therapeutic targets.
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Affiliation(s)
- Ugo Testa
- Department of Hematology, Oncology and Molecular Medicine, Istituto Superiore di Sanità, Rome, Italy
| | - Ernestina Saulle
- Department of Hematology, Oncology and Molecular Medicine, Istituto Superiore di Sanità, Rome, Italy
| | - Germana Castelli
- Department of Hematology, Oncology and Molecular Medicine, Istituto Superiore di Sanità, Rome, Italy
| | - Elvira Pelosi
- Department of Hematology, Oncology and Molecular Medicine, Istituto Superiore di Sanità, Rome, Italy
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21
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Di Liddo R, Bridi D, Gottardi M, De Angeli S, Grandi C, Tasso A, Bertalot T, Martinelli G, Gherlinzoni F, Conconi MT. Adrenomedullin in the growth modulation and differentiation of acute myeloid leukemia cells. Int J Oncol 2016; 48:1659-69. [PMID: 26847772 DOI: 10.3892/ijo.2016.3370] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2015] [Accepted: 01/11/2016] [Indexed: 11/05/2022] Open
Abstract
Adrenomedullin (ADM) is a regulatory peptide endowed with multiple biological effects, including the regulation of blood pressure, cell growth and innate host defence. In the present study, we demonstrated that ADM signaling could be involved in the impaired cellular differentiation of myeloid leukemia cells to mature granulocytes or monocytes by modulating RAMPs/CRLR expression, PI3K/Akt cascade and the ERK/MAPK signaling pathway. When exogenously administered to in vitro cultures of HL60 promyelocytic leukemia cells, ADM was shown to exert a strong proliferative effect with minimal upregulation in the expression level of monocyte antigen CD14. Notably, the experimental inhibition of ADM signaling with inhibitor ADM22-52 promoted a differentiative stimulation towards monocytic and granulocytic lineages. Moreover, based on the expression of CD31 relative to CD38, we hypothesized that an excess of ADM in bone marrow (BM) niche could increase the transendothelial migration of leukemia cells while any inhibitory event of ADM activity could raise cell retention in hyaluronate matrix by upregulating CD38. Taken into consideration the above evidence, we concluded that ADM and ADM22-52 could differently affect the growth of leukemia cells by autocrine/paracrine mechanisms and may have clinical relevance as biological targets for the intervention of tumor progression.
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Affiliation(s)
- Rosa Di Liddo
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, Padova, Italy
| | - Deborah Bridi
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, Padova, Italy
| | | | - Sergio De Angeli
- Treviso Cord Blood Bank and Hematopoietic Cell Culture Laboratory, Transfusional Center, General Hospital, Treviso, Italy
| | - Claudio Grandi
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, Padova, Italy
| | - Alessia Tasso
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, Padova, Italy
| | - Thomas Bertalot
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, Padova, Italy
| | - Giovanni Martinelli
- Institute of Haematology 'L. and A. Seràgnoli', Department of Experimental, Diagnostic and Specialty Medicine, 'S. Orsola-Malpighi' University Hospital, University of Bologna, Bologna, Italy
| | | | - Maria Teresa Conconi
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, Padova, Italy
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22
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The forkhead transcription factor FOXP1 represses human plasma cell differentiation. Blood 2015; 126:2098-109. [PMID: 26289642 DOI: 10.1182/blood-2015-02-626176] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2015] [Accepted: 08/07/2015] [Indexed: 02/02/2023] Open
Abstract
Expression of the forkhead transcription factor FOXP1 is essential for early B-cell development, whereas downregulation of FOXP1 at the germinal center (GC) stage is required for GC B-cell function. Aberrantly high FOXP1 expression is frequently observed in diffuse large B-cell lymphoma and mucosa-associated lymphoid tissue lymphoma, being associated with poor prognosis. Here, by gene expression analysis upon ectopic overexpression of FOXP1 in primary human memory B cells (MBCs) and B-cell lines, combined with chromatin immunoprecipitation and sequencing, we established that FOXP1 directly represses expression of PRDM1, IRF4, and XBP1, transcriptional master regulators of plasma cell (PC) differentiation. In accordance, FOXP1 is prominently expressed in primary human naive and MBCs, but expression strongly decreases during PC differentiation. Moreover, as compared with immunoglobulin (Ig) M(+) MBCs, IgG(+) MBCs combine lower expression of FOXP1 with an enhanced intrinsic PC differentiation propensity, and constitutive (over)expression of FOXP1 in B-cell lines and primary human MBCs represses their ability to differentiate into PCs. Taken together, our data indicate that proper control of FOXP1 expression plays a critical role in PC differentiation, whereas aberrant expression of FOXP1 might contribute to lymphomagenesis by blocking this terminal B-cell differentiation.
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23
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Zang M, Li Z, Liu L, Li F, Li X, Dai Y, Li W, Kuckelkorn U, Doeppner TR, Hermann DM, Zhou W, Qiu L, Jin F. Anti-tumor activity of the proteasome inhibitor BSc2118 against human multiple myeloma. Cancer Lett 2015; 366:173-81. [PMID: 26116344 DOI: 10.1016/j.canlet.2015.06.011] [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: 01/05/2015] [Revised: 05/19/2015] [Accepted: 06/18/2015] [Indexed: 02/08/2023]
Abstract
Introduction of bortezomib, the first generation of proteasome inhibitor, has significantly improved the median overall survival of patients with multiple myeloma (MM). However, the dose-limiting adverse events and acquired drug resistance limit its long-term usage. Here, we report in vitro and in vivo anti-MM activity of the irreversible proteasome inhibitor BSc2118. BSc2118 inhibited the chymotrypsin-like (CT-L) proteasome activity, accompanied by accumulation of ubiquitinated proteins. BSc2118 suppressed tumor cell growth through induction of G2/M phase arrest and induced apoptosis via activation of the apoptotic signaling cascade, in association with up-regulation of p53 and p21. Importantly, BSc2118 was active in vitro against MM cells' acquired bortezomib resistance. Of note, BSc2118 also displayed a novel anti-angiogenesis activity both in vitro and in vivo. Lastly, BSc2118 exhibited a broader safety dose range and higher anti-tumor efficacy in vivo in a human MM xenograft mouse model, compared to bortezomib. Together, these findings indicate the in vitro and in vivo anti-MM activities of BSc2118 through induction of cell cycle arrest and apoptosis, as well as inhibition of tumor angiogenesis. They also suggest that BSc2118 might, at least in vitro, partially overcome acquired bortezomib resistance, likely associated with inhibition of autophagy.
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Affiliation(s)
- Meirong Zang
- State Key Laboratory of Experimental Hematology, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Science & Peking Union Medical College, Tianjin, China
| | - Zengjun Li
- State Key Laboratory of Experimental Hematology, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Science & Peking Union Medical College, Tianjin, China
| | - Lanting Liu
- State Key Laboratory of Experimental Hematology, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Science & Peking Union Medical College, Tianjin, China
| | - Fei Li
- Department of Hematology, The First Affiliated Hospital of Nanchang University, Nanchang, China
| | - Xin Li
- Department of Hematology, Beijing Chao-yang Hospital, Capital Medical University, Beijing, China
| | - Yun Dai
- Division of Hematology/Oncology, Department of Medicine, Virginia Commonwealth University and the Massey Cancer Center, Richmond, VA, USA
| | - Wei Li
- Cancer Center, The First Hospital of Jilin University, Changchun, China
| | - Ulrike Kuckelkorn
- Department of Biochemistry, Charité Universitätsmedizin Berlin, Berlin, Germany
| | | | - Dirk M Hermann
- Department of Neurology, University hospital Essen, Essen, Germany
| | - Wen Zhou
- Cancer Research Institute, Central South University; Key Laboratory of Carcinogenesis and Cancer Invasion, Ministry of Education; Hunan, China
| | - Lugui Qiu
- State Key Laboratory of Experimental Hematology, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Science & Peking Union Medical College, Tianjin, China.
| | - Fengyan Jin
- Cancer Center, The First Hospital of Jilin University, Changchun, China.
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24
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Larráyoz IM, Martínez-Herrero S, García-Sanmartín J, Ochoa-Callejero L, Martínez A. Adrenomedullin and tumour microenvironment. J Transl Med 2014; 12:339. [PMID: 25475159 PMCID: PMC4272513 DOI: 10.1186/s12967-014-0339-2] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2014] [Accepted: 11/21/2014] [Indexed: 01/03/2023] Open
Abstract
Adrenomedullin (AM) is a regulatory peptide whose involvement in tumour progression is becoming more relevant with recent studies. AM is produced and secreted by the tumour cells but also by numerous stromal cells including macrophages, mast cells, endothelial cells, and vascular smooth muscle cells. Most cancer patients present high levels of circulating AM and in some cases these higher levels correlate with a worst prognosis. In some cases it has been shown that the high AM levels return to normal following surgical removal of the tumour, thus indicating the tumour as the source of this excessive production of AM. Expression of this peptide is a good investment for the tumour cell since AM acts as an autocrine/paracrine growth factor, prevents apoptosis-mediated cell death, increases tumour cell motility and metastasis, induces angiogenesis, and blocks immunosurveillance by inhibiting the immune system. In addition, AM expression gets rapidly activated by hypoxia through a HIF-1α mediated mechanism, thus characterizing AM as a major survival factor for tumour cells. Accordingly, a number of studies have shown that inhibition of this peptide or its receptors results in a significant reduction in tumour progression. In conclusion, AM is a great target for drug development and new drugs interfering with this system are being developed.
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Affiliation(s)
- Ignacio M Larráyoz
- Oncology Area, Center for Biomedical Research of La Rioja CIBIR, C/Piqueras 98, Logroño, 26006, Spain.
| | - Sonia Martínez-Herrero
- Oncology Area, Center for Biomedical Research of La Rioja CIBIR, C/Piqueras 98, Logroño, 26006, Spain.
| | - Josune García-Sanmartín
- Oncology Area, Center for Biomedical Research of La Rioja CIBIR, C/Piqueras 98, Logroño, 26006, Spain.
| | - Laura Ochoa-Callejero
- Oncology Area, Center for Biomedical Research of La Rioja CIBIR, C/Piqueras 98, Logroño, 26006, Spain.
| | - Alfredo Martínez
- Oncology Area, Center for Biomedical Research of La Rioja CIBIR, C/Piqueras 98, Logroño, 26006, Spain.
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25
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Exosomal miR-135b shed from hypoxic multiple myeloma cells enhances angiogenesis by targeting factor-inhibiting HIF-1. Blood 2014; 124:3748-57. [PMID: 25320245 DOI: 10.1182/blood-2014-05-576116] [Citation(s) in RCA: 451] [Impact Index Per Article: 45.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Exosomes are small endosome-derived vesicles containing a wide range of functional proteins, mRNA, and miRNA. Exosomal miRNA from cancer cells helps modulate the microenvironment. In multiple myeloma (MM), the massive proliferation of malignant plasma cells causes hypoxia. To date, the majority of in vitro hypoxia studies of cancer cells have used acute hypoxic exposure (3-24 hours). Thus, we attempted to clarify the role of MM-derived exosomes in hypoxic bone marrow by using MM cells grown continuously in vitro under chronic hypoxia (hypoxia-resistant MM [HR-MM] cells). The HR-MM cells produced more exosomes than the parental cells under normoxia or acute hypoxia conditions, and miR-135b was significantly upregulated in exosomes from HR-MM cells. Exosomal miR-135b directly suppressed its target factor-inhibiting hypoxia-inducible factor 1 (FIH-1) in endothelial cells. Finally, exosomal miR-135b from HR-MM cells enhanced endothelial tube formation under hypoxia via the HIF-FIH signaling pathway. This in vitro HR myeloma cell model will be useful for investigating MM cell-endothelial cell interactions under hypoxic conditions, which may mimic the in vivo bone marrow microenvironment. Although tumor angiogenesis is regulated by various factors, exosomal miR-135b may be a target for controlling MM angiogenesis.
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26
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FOXP1 directly represses transcription of proapoptotic genes and cooperates with NF-κB to promote survival of human B cells. Blood 2014; 124:3431-40. [PMID: 25267198 DOI: 10.1182/blood-2014-01-553412] [Citation(s) in RCA: 70] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
The forkhead transcription factor FOXP1 is involved in B-cell development and function and is generally regarded as an oncogene in activated B-cell-like subtype of diffuse large B-cell lymphoma (DLBCL) and mucosa-associated lymphoid tissue lymphoma, lymphomas relying on constitutive nuclear factor κB (NF-κB) activity for survival. However, the mechanism underlying its putative oncogenic activity has not been established. By gene expression microarray, upon overexpression or silencing of FOXP1 in primary human B cells and DLBCL cell lines, combined with chromatin immunoprecipitation followed by next-generation sequencing, we established that FOXP1 directly represses a set of 7 proapoptotic genes. Low expression of these genes, encoding the BH3-only proteins BIK and Harakiri, the p53-regulatory proteins TP63, RASSF6, and TP53INP1, and AIM2 and EAF2, is associated with poor survival in DLBCL patients. In line with these findings, we demonstrated that FOXP1 promotes the expansion of primary mature human B cells by inhibiting caspase-dependent apoptosis, without affecting B-cell proliferation. Furthermore, FOXP1 is dependent upon, and cooperates with, NF-κB signaling to promote B-cell expansion and survival. Taken together, our data indicate that, through direct repression of proapoptotic genes, (aberrant) expression of FOXP1 complements (constitutive) NF-κB activity to promote B-cell survival and can thereby contribute to B-cell homeostasis and lymphomagenesis.
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27
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Expression and distribution of the adrenomedullin system in newborn human thymus. PLoS One 2014; 9:e97592. [PMID: 24831942 PMCID: PMC4022580 DOI: 10.1371/journal.pone.0097592] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2013] [Accepted: 04/21/2014] [Indexed: 12/25/2022] Open
Abstract
Adrenomedullin (AM) is a multifunctional peptide endowed with various biological actions mediated by the interaction with the calcitonin receptor-like receptor (CLR), which couples to the receptor activity-modifying proteins 2 or 3 (RAMP2 or RAMP3) to form the functional plasma membrane receptors AM1 and AM2, respectively. In this study, we investigated for the first time the expression and localization of AM, CLR, RAMP2 and RAMP3 in human thymic tissue from newborns and in primary cultures of thymic epithelial cells (TECs) and thymocytes. Immunohistochemical analysis of thymic tissue showed that both AM and RAMP2 are abundantly expressed in the epithelial cells of medulla and cortex, blood vessels and mastocytes. In contrast, RAMP3 could not be detected. In cultured TECs, double immunofluorescence coupled to confocal microscopy revealed that AM is present in the cytoplasmic compartment, whereas RAMP2 could be detected in the cytoplasm and nucleus, but not in the cell membrane. At variance with RAMP2, CLR was not only present in the nucleus and cytoplasm of TECs, but could also be detected in the cell membrane. The nuclear and cytoplasmic localizations of RAMP2 and CLR and the absence of RAMP2 in the cell membrane were confirmed by western-blot analysis performed on cell fractions. AM, RAMP2 and CLR could also be detected in thymocytes by means of double immunofluorescence coupled to confocal microscopy, although these proteins were not present in the whole thymocyte population. In these cells, AM and RAMP2 were detected in the cytoplasm, whereas CLR could be observed in the cytoplasm and the plasma membrane. In conclusion, our results show that the AM system is widely expressed in human thymus from newborns and suggest that both AM1 receptor components CLR and RAMP2 are not associated with the plasma membrane of TECs and thymocytes but are located intracellularly, notably in the nucleus.
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