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Ramezani A, Tafazoli A, Salimi F, Ghavami M, Arjmandi H, Khalesi B, Hashemi ZS, Khalili S. Current knowledge on therapeutic, diagnostic, and prognostics applications of exosomes in multiple myeloma: Opportunities and challenges. Arch Biochem Biophys 2024; 756:109994. [PMID: 38626818 DOI: 10.1016/j.abb.2024.109994] [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: 03/04/2024] [Accepted: 04/12/2024] [Indexed: 04/20/2024]
Abstract
Interactions between the plasma cells and the BM microenvironment of Multiple myeloma (MM) take place through factors such as exosomes. Many studies have confirmed the role of exosomes in these interactions. By carrying proteins, cytokines, lipids, microRNAs, etc. as their cargo, exosomes can regulate the interactions between MM plasma cells and neighboring cells and participate in the signaling between cancer cells and the environment. It has been shown that MM-derived exosomes can induce angiogenesis, enhance osteoblast activity, confer drug resistance, and have immunosuppressive properties. Abnormal cargos in endosomes originating from MM patients, can be used as a cancer biomarker to detect or screen early prognosis in MM patients. The native nanostructure of exosomes, in addition to their biocompatibility, stability, and safety, make them excellent candidates for therapeutic, drug delivery, and immunomodulatory applications against MM. On the other hand, exosomes derived from dendritic cells (DC) may be used as vaccines against MM. Thanks to the development of new 'omics' approaches, we anticipate to hear more about exosomes in fight against MM. In the present review, we described the most current knowledge on the role of exosomes in MM pathogenesis and their potential role as novel biomarkers and therapeutic tools in MM.
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Affiliation(s)
- Aghdas Ramezani
- Department of Molecular Imaging, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences (IUMS), Tehran, Iran.
| | - Aida Tafazoli
- Department of Bacteriology and Virology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran.
| | - Fatemeh Salimi
- Production Department, Carayakhteh Co (Ltd), Tehran, Iran.
| | - Mahlegha Ghavami
- Department of Pathology, Dalhousie University, Halifax, NS, Canada; Department of Biochemistry and Molecular Biology, Dalhousie University, Halifax, NS, Canada.
| | - Hanie Arjmandi
- Islamic Azad University, Ayatollah Amoli Branch, Amol, Iran.
| | - Bahman Khalesi
- Department of Research and Production of Poultry Viral Vaccine, Razi Vaccine and Serum Research Institute, Agricultural Research, Education and Extension Organization, Karaj 3197619751, Iran.
| | - Zahra Sadat Hashemi
- ATMP Department, Breast Cancer Research Center, Motamed Cancer Institute, ACECR, Tehran, Iran.
| | - Saeed Khalili
- Department of Biology Sciences, Shahid Rajaee Teacher Training University, Tehran, Iran.
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Sheridan R, Brennan K, Bazou D, O’Gorman P, Matallanas D, Mc Gee MM. Multiple Myeloma Derived Extracellular Vesicle Uptake by Monocyte Cells Stimulates IL-6 and MMP-9 Secretion and Promotes Cancer Cell Migration and Proliferation. Cancers (Basel) 2024; 16:1011. [PMID: 38473370 PMCID: PMC10930391 DOI: 10.3390/cancers16051011] [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: 01/23/2024] [Revised: 02/14/2024] [Accepted: 02/16/2024] [Indexed: 03/14/2024] Open
Abstract
Multiple Myeloma (MM) is an incurable haematological malignancy caused by uncontrolled growth of plasma cells. MM pathogenesis is attributed to crosstalk between plasma cells and the bone marrow microenvironment, where extracellular vesicles (EVs) play a role. In this study, EVs secreted from a panel of MM cell lines were isolated from conditioned media by ultracentrifugation and fluorescently stained EVs were co-cultured with THP-1 monocyte cells. MM EVs from three cell lines displayed a differential yet dose-dependent uptake by THP-1 cells, with H929 EVs displaying the greatest EV uptake compared to MM.1s and U266 EVs suggesting that uptake efficiency is dependent on the cell line of origin. Furthermore, MM EVs increased the secretion of MMP-9 and IL-6 from monocytes, with H929 EVs inducing the greatest effect, consistent with the greatest uptake efficiency. Moreover, monocyte-conditioned media collected following H929 EV uptake significantly increased the migration and proliferation of MM cells. Finally, EV proteome analysis revealed differential cargo enrichment that correlates with disease progression including a significant enrichment of spliceosome-related proteins in H929 EVs compared to the U266 and MM.1s EVs. Overall, this study demonstrates that MM-derived EVs modulate monocyte function to promote tumour growth and metastasis and reveals possible molecular mechanisms involved.
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Affiliation(s)
- Rebecca Sheridan
- School of Biomolecular and Biomedical Science, University College Dublin, Belfield, D04 V1W8 Dublin, Ireland (K.B.)
| | - Kieran Brennan
- School of Biomolecular and Biomedical Science, University College Dublin, Belfield, D04 V1W8 Dublin, Ireland (K.B.)
| | - Despina Bazou
- Department of Haematology, Mater Misericordiae University Hospital, D07 R2WY Dublin, Ireland; (D.B.)
- School of Medicine, University College Dublin, Belfield, D04 V1W8 Dublin, Ireland
| | - Peter O’Gorman
- Department of Haematology, Mater Misericordiae University Hospital, D07 R2WY Dublin, Ireland; (D.B.)
| | - David Matallanas
- Systems Biology Ireland, School of Medicine, University College Dublin, Belfield, D04 V1W8 Dublin, Ireland;
| | - Margaret M. Mc Gee
- School of Biomolecular and Biomedical Science, University College Dublin, Belfield, D04 V1W8 Dublin, Ireland (K.B.)
- Conway Institute of Biomolecular and Biomedical Research, University College Dublin, Belfield, D04 V1W8 Dublin, Ireland
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Bao E, Zhou Y, He S, Tang J, He Y, Zhu M, Cheng C, Wang Y. RING box protein-1(RBX1), a key component of SCF E3 ligase, induced multiple myeloma cell drug-resistance though suppressing p27. Cancer Biol Ther 2023; 24:2231670. [PMID: 37639640 PMCID: PMC10464534 DOI: 10.1080/15384047.2023.2231670] [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: 02/27/2022] [Revised: 02/18/2023] [Accepted: 04/27/2023] [Indexed: 08/31/2023] Open
Abstract
Multiple myeloma (MM) is a clonal disease of plasma cells that remains, for the most part, incurable despite the advent of several novel therapeutics. The elevated expression of p27 and its association with cell-cycle arrest is speculated to be one of the major mechanisms by which MM cells escape the cytotoxic effects of therapeutic agents. In this study, we demonstrated that RBX1 silencing could inhibit MM cell growth and promote cell drug resistance. RBX1 directly interacted with and triggered the ubiquitination and degradation of p27, ultimately causing p27 reduction. Additionally, cell growth and apoptosis analysis indicated that the role of RBX1 in regulating myeloma cell proliferation and drug resistance resulted from p27 accumulation, which occurred in a Thr187 phosphorylation-dependent manner. Furthermore, the cell-cycle analysis demonstrated that RBX1 overexpression induced cells to enter the cell cycle (S-phase) and partially inhibited chemotherapeutic drugs-mediated cell cycle arrest. Notably, the forced expression of RBX1 also inhibited the cell adhesion-mediated elevation of p27 and induced the accumulation of adherent cells in apoptosis, especially the proteolytic cleavage of caspase-3. Additionally, RBX1 knockdown significantly inhibited myeloma development in SCID-Hu mice and in a human MM xenotransplant model. Overall, these in vitro and in vivo experiments indicated that the RBX1-p27 axis could be a central molecular mechanism by which RBX1 functions as a tumor promoter and stimulates cell growth in chemotherapeutic drugs treated MM cells.
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Affiliation(s)
- Enfang Bao
- Department of Pathogenic Biology, Medical College, Nantong University, Nantong, Jiangsu Province, People’s Republic of China
| | - Yu Zhou
- Department of Pathogenic Biology, Medical College, Nantong University, Nantong, Jiangsu Province, People’s Republic of China
| | - Song He
- Department of Pathology, Affiliated Cancer Hospital of Nantong University, Nantong, Jiangsu, People’s Republic of China
| | - Jie Tang
- Department of Pathology, Liyang People’s Hospital, Liyang, Jiangsu, China
| | - Yunhua He
- Department of Oncology, Nantong Tongzhou People’s Hospital, Nantong, Jiangsu Province, People’s Republic of China
| | - Mengyuan Zhu
- Department of Pathogenic Biology, Medical College, Nantong University, Nantong, Jiangsu Province, People’s Republic of China
| | - Chun Cheng
- Department of Pathogenic Biology, Medical College, Nantong University, Nantong, Jiangsu Province, People’s Republic of China
| | - Yuchan Wang
- Department of Pathogenic Biology, Medical College, Nantong University, Nantong, Jiangsu Province, People’s Republic of China
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Alberti G, Arsuffi C, Pievani A, Salerno D, Mantegazza F, Dazzi F, Biondi A, Tettamanti S, Serafini M. Engineering tandem CD33xCD146 CAR CIK (cytokine-induced killer) cells to target the acute myeloid leukemia niche. Front Immunol 2023; 14:1192333. [PMID: 37304257 PMCID: PMC10247966 DOI: 10.3389/fimmu.2023.1192333] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Accepted: 05/12/2023] [Indexed: 06/13/2023] Open
Abstract
In acute myeloid leukemia (AML), malignant stem cells hijack the normal bone marrow niche where they are largely protected from the current therapeutic approaches. Thus, eradicating these progenitors is the ultimate challenge in the treatment of this disease. Specifically, the development of chimeric antigen receptors (CARs) against distinct mesenchymal stromal cell subpopulations involved in the maintenance of leukemic stem cells within the malignant bone marrow microenvironment could represent a new strategy to improve CAR T-cell therapy efficacy, which is still unsuccessful in AML. As a proof of concept, we generated a novel prototype of Tandem CAR, with one specificity directed against the leukemic cell marker CD33 and the other against the mesenchymal stromal cell marker CD146, demonstrating its capability of simultaneously targeting two different cell types in a 2D co-culture system. Interestingly, we could also observe an in vitro inhibition of CAR T cell functionality mediated by stromal cells, particularly in later effector functions, such as reduction of interferon-gamma and interleukin-2 release and impaired proliferation of the CAR+ effector Cytokine-Induced Killer (CIK) cells. Taken together, these data demonstrate the feasibility of a dual targeting model against two molecules, which are expressed on two different target cells, but also highlight the immunomodulatory effect on CAR CIK cells exerted by stromal cells, confirming that the niche could be an obstacle to the efficacy of CAR T cells. This aspect should be considered in the development of novel CAR T cell approaches directed against the AML bone marrow niche.
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Affiliation(s)
- Gaia Alberti
- Tettamanti Center, Fondazione IRCCS San Gerardo dei Tintori, Monza, Italy
| | - Corinne Arsuffi
- Tettamanti Center, Fondazione IRCCS San Gerardo dei Tintori, Monza, Italy
| | - Alice Pievani
- Tettamanti Center, Fondazione IRCCS San Gerardo dei Tintori, Monza, Italy
| | - Domenico Salerno
- School of Medicine and Surgery, BioNanoMedicine Center NANOMIB, Universita di Milano-Bicocca, Vedano al Lambro (MB), Italy
| | - Francesco Mantegazza
- School of Medicine and Surgery, BioNanoMedicine Center NANOMIB, Universita di Milano-Bicocca, Vedano al Lambro (MB), Italy
| | - Francesco Dazzi
- School of Cardiovascular Sciences, King’s College London, London, United Kingdom
| | - Andrea Biondi
- Dipartimento di Medicina e Chirurgia, Università degli Studi Milano-Bicocca, Monza (MB), Italy
- Pediatrics, Fondazione IRCCS San Gerardo dei Tintori, Monza, Italy
| | - Sarah Tettamanti
- Tettamanti Center, Fondazione IRCCS San Gerardo dei Tintori, Monza, Italy
| | - Marta Serafini
- Tettamanti Center, Fondazione IRCCS San Gerardo dei Tintori, Monza, Italy
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Roshandel E, Ghaffari-Nazari H, Mohammadian M, Salimi M, Abroun S, Mirfakhraie R, Hajifathali A. NK cell therapy in relapsed refractory multiple myeloma. Clin Immunol 2023; 246:109168. [PMID: 36415020 DOI: 10.1016/j.clim.2022.109168] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2021] [Revised: 09/03/2022] [Accepted: 10/18/2022] [Indexed: 01/18/2023]
Abstract
Recent advances in adoptive cell therapy have considerably changed the paradigm of cancer immunotherapy. Although current immunotherapies could cure many patients with multiple myeloma (MM), relapsed/refractory MM (RR/MM) is still challenging in some cases. Natural killer (NK) cells are innate immune cells that exert effective cytotoxic activity against malignant cells like myeloma cells. In addition to their antitumor properties, NK cells do not induce graft versus host disease following transplantation. Therefore, they provide a promising approach to treating RR/MM patients. Currently, attempts have been made to produce large-scale and good manufacturing practices (GMP) of NK cells. Ex vivo expanded/activated NK cells derived from the own patient or allogenic donors are potential options for NK cell therapy in MM. Besides, novel cell-based products such as NK cell lines and chimeric antigen receptor (CAR)-NK cells may provide an off-the-shelf source for NK cell therapy. Here, we summarized NK cell activity in the MM microenvironment and focused on different NK cell therapy methods for MM patients.
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Affiliation(s)
- Elham Roshandel
- Hematopoietic Stem Cell Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Haniyeh Ghaffari-Nazari
- Hematopoietic Stem Cell Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran; Department of Immunology, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mozhdeh Mohammadian
- Department of Hematology and Cell Therapy, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | - Maryam Salimi
- Hematopoietic Stem Cell Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Saeid Abroun
- Department of Hematology and Cell Therapy, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran.
| | - Reza Mirfakhraie
- Department of Medical Genetics, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
| | - Abbas Hajifathali
- Department of Immunology, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.
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Gilchrist A, Echeverria SL. Targeting Chemokine Receptor CCR1 as a Potential Therapeutic Approach for Multiple Myeloma. Front Endocrinol (Lausanne) 2022; 13:846310. [PMID: 35399952 PMCID: PMC8991687 DOI: 10.3389/fendo.2022.846310] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/31/2021] [Accepted: 02/08/2022] [Indexed: 02/01/2023] Open
Abstract
Multiple myeloma is an incurable plasma B-cell malignancy with 5-year survival rates approximately 10-30% lower than other hematologic cancers. Treatment options include combination chemotherapy followed by autologous stem cell transplantation. However, not all patients are eligible for autologous stem cell transplantation, and current pharmacological agents are limited in their ability to reduce tumor burden and extend multiple myeloma remission times. The "chemokine network" is comprised of chemokines and their cognate receptors, and is a critical component of the normal bone microenvironment as well as the tumor microenvironment of multiple myeloma. Antagonists targeting chemokine-receptor 1 (CCR1) may provide a novel approach for treating multiple myeloma. In vitro CCR1 antagonists display a high degree of specificity, and in some cases signaling bias. In vivo studies have shown they can reduce tumor burden, minimize osteolytic bone damage, deter metastasis, and limit disease progression in multiple myeloma models. While multiple CCR1 antagonists have entered the drug pipeline, none have entered clinical trials for treatment of multiple myeloma. This review will discuss whether current CCR1 antagonists are a viable treatment option for multiple myeloma, and studies aimed at identifying which CCR1 antagonist(s) are most appropriate for this disease.
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Affiliation(s)
- Annette Gilchrist
- College of Pharmacy-Downers Grove, Department of Pharmaceutical Sciences, Midwestern University, Downers Grove, IL, United States
- *Correspondence: Annette Gilchrist,
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7
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Lee MY, Park CJ, Cho YU, You E, Jang S, Seo EJ, Lee JH, Yoon DH, Suh C. Immune Checkpoint Programmed Cell Death Protein-1 (PD-1) Expression on Bone Marrow T Cell Subsets in Patients With Plasma Cell Myeloma. Ann Lab Med 2021; 41:259-267. [PMID: 33303710 PMCID: PMC7748102 DOI: 10.3343/alm.2021.41.3.259] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Revised: 06/22/2020] [Accepted: 11/18/2020] [Indexed: 11/19/2022] Open
Abstract
Background Plasma cell myeloma (PCM) is caused by immune dysregulation. We evaluated the expression of immune checkpoint programmed cell death protein-1 (PD-1) on T cell subsets in PCM patients according to disease course and cytogenetic abnormalities. This study aimed to find a target group suitable for therapeutic use of PD-1 blockade in PCM. Methods A total of 188 bone marrow (BM) samples from 166 PCM patients and 32 controls were prospectively collected between May 2016 and May 2017. PD-1 expression on BM T cell subsets was measured using flow cytometry. Results At diagnosis, the median PD-1 expression on CD4+ T cells was 24.6%, which did not significantly differ from that in controls. After stem cell transplantation, PD-1 expression on CD4+ T cells was higher than that at diagnosis (P<0.001), regardless of residual disease. PD-1 expression on CD4+ T cells in patients with residual disease after chemotherapy was significantly higher than that at diagnosis (P=0.001) and after complete remission following chemotherapy (P=0.044). PD-1 expression on CD8+ T cells was higher in PCM patients with cytogenetic abnormalities, including monosomy 13, 1q gain, complex karyotype, and hypodiploidy. Conclusions PD-1 blockade might have therapeutic potential in refractory PCM patients after chemotherapy, especially in those with high- or intermediate-risk cytogenetic abnormalities.
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Affiliation(s)
- Min Young Lee
- Department of Laboratory Medicine, Kyung Hee University School of Medicine and Kyung Hee University Hospital, Gangdong, Seoul, Korea
| | - Chan-Jeoung Park
- Department of Laboratory Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Young-Uk Cho
- Department of Laboratory Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Eunkyoung You
- Department of Laboratory Medicine, Inje University College of Medicine, Busan Baik Hospital, Busan, Korea
| | - Seongsoo Jang
- Department of Laboratory Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Eul Ju Seo
- Department of Laboratory Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Jung-Hee Lee
- Department of Oncology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Dok Hyun Yoon
- Department of Oncology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Cheolwon Suh
- Department of Oncology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
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Bruton's Tyrosine Kinase Targeting in Multiple Myeloma. Int J Mol Sci 2021; 22:ijms22115707. [PMID: 34071917 PMCID: PMC8198777 DOI: 10.3390/ijms22115707] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Revised: 05/21/2021] [Accepted: 05/23/2021] [Indexed: 12/12/2022] Open
Abstract
Multiple myeloma (MM), a clonal plasma cell disorder, disrupts the bones’ hematopoiesis and microenvironment homeostasis and ability to mediate an immune response against malignant clones. Despite prominent survival improvement with newer treatment modalities since the 2000s, MM is still considered a non-curable disease. Patients experience disease recurrence episodes with clonal evolution, and with each relapse disease comes back with a more aggressive phenotype. Bruton’s Tyrosine Kinase (BTK) has been a major target for B cell clonal disorders and its role in clonal plasma cell disorders is under active investigation. BTK is a cytosolic kinase which plays a major role in the immune system and its related malignancies. The BTK pathway has been shown to provide survival for malignant clone and multiple myeloma stem cells (MMSCs). BTK also regulates the malignant clones’ interaction with the bone marrow microenvironment. Hence, BTK inhibition is a promising therapeutic strategy for MM patients. In this review, the role of BTK and its signal transduction pathways are outlined in the context of MM.
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Holthof LC, van der Schans JJ, Katsarou A, Poels R, Gelderloos AT, Drent E, van Hal-van Veen SE, Li F, Zweegman S, van de Donk NWCJ, Themeli M, Groen RWJ, Mutis T. Bone Marrow Mesenchymal Stromal Cells Can Render Multiple Myeloma Cells Resistant to Cytotoxic Machinery of CAR T Cells through Inhibition of Apoptosis. Clin Cancer Res 2021; 27:3793-3803. [PMID: 33883175 DOI: 10.1158/1078-0432.ccr-20-2188] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Revised: 09/29/2020] [Accepted: 04/16/2021] [Indexed: 11/16/2022]
Abstract
PURPOSE The microenvironment of multiple myeloma (MM) can critically impair therapy outcome, including immunotherapies. In this context, we have earlier demonstrated that bone marrow mesenchymal stromal cells (BMMSC) protect MM cells against the lytic machinery of MM-reactive cytotoxic T cells (CTL) and daratumumab-redirected natural killer (NK) cells through the upregulation of antiapoptotic proteins Survivin and Mcl-1 in MM cells. Here, we investigated the significance of this mode of immune escape on T cells engineered to express chimeric antigen receptors (CAR T cells). EXPERIMENTAL DESIGN We tested the cytolytic ability of a panel of 10 BCMA-, CD38-, and CD138-specific CAR T cells with different affinities against a model MM cell line and against patient-derived MM cells in the presence versus absence of BMMSCs. RESULTS Although BMMSCs hardly protected MM cells from lysis by high-affinity, strongly lytic BCMA- and CD38-CAR T cells, they significantly protected against lower affinity, moderately lytic BCMA-, CD38-, and CD138-specific CAR T cells in a cell-cell contact-dependent manner. Overall, there was a remarkable inverse correlation between the protective ability of BMMSCs and the lytic activity of all CAR T cells, which was dependent on CAR affinity and type of costimulation. Furthermore, BMMSC-mediated resistance against CAR T cells was effectively modulated by FL118, an inhibitor of antiapoptotic proteins Survivin, Mcl-1, and XIAP. CONCLUSIONS These results extend our findings on the negative impact of the microenvironment against immunotherapies and suggest that outcome of CAR T cell or conventional CTL therapies could benefit from inhibition of antiapoptotic proteins upregulated in MM cells through BMMSC interactions.
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Affiliation(s)
- Lisa C Holthof
- Department of Hematology, Amsterdam UMC, VU University Medical Center, Cancer Center Amsterdam, Amsterdam, the Netherlands
| | - Jort J van der Schans
- Department of Hematology, Amsterdam UMC, VU University Medical Center, Cancer Center Amsterdam, Amsterdam, the Netherlands
| | - Afroditi Katsarou
- Department of Hematology, Amsterdam UMC, VU University Medical Center, Cancer Center Amsterdam, Amsterdam, the Netherlands
| | - Renée Poels
- Department of Hematology, Amsterdam UMC, VU University Medical Center, Cancer Center Amsterdam, Amsterdam, the Netherlands
| | - Anne T Gelderloos
- Department of Hematology, Amsterdam UMC, VU University Medical Center, Cancer Center Amsterdam, Amsterdam, the Netherlands
| | - Esther Drent
- Department of Hematology, Amsterdam UMC, VU University Medical Center, Cancer Center Amsterdam, Amsterdam, the Netherlands
| | - Susan E van Hal-van Veen
- Department of Hematology, Amsterdam UMC, VU University Medical Center, Cancer Center Amsterdam, Amsterdam, the Netherlands
| | - Fengzhi Li
- Department of Pharmacology and Therapeutics, Roswell Park Comprehensive Cancer Center, Buffalo, New York
| | - Sonja Zweegman
- Department of Hematology, Amsterdam UMC, VU University Medical Center, Cancer Center Amsterdam, Amsterdam, the Netherlands
| | - Niels W C J van de Donk
- Department of Hematology, Amsterdam UMC, VU University Medical Center, Cancer Center Amsterdam, Amsterdam, the Netherlands
| | - Maria Themeli
- Department of Hematology, Amsterdam UMC, VU University Medical Center, Cancer Center Amsterdam, Amsterdam, the Netherlands
| | - Richard W J Groen
- Department of Hematology, Amsterdam UMC, VU University Medical Center, Cancer Center Amsterdam, Amsterdam, the Netherlands
| | - Tuna Mutis
- Department of Hematology, Amsterdam UMC, VU University Medical Center, Cancer Center Amsterdam, Amsterdam, the Netherlands.
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da Cunha Júnior AD, Zanette DL, Pericole FV, Olalla Saad ST, Barreto Campello Carvalheira J. Obesity as a Possible Risk Factor for Progression from Monoclonal Gammopathy of Undetermined Significance Progression into Multiple Myeloma: Could Myeloma Be Prevented with Metformin Treatment? Adv Hematol 2021; 2021:6615684. [PMID: 33531904 PMCID: PMC7834834 DOI: 10.1155/2021/6615684] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2020] [Revised: 12/22/2020] [Accepted: 01/08/2021] [Indexed: 02/07/2023] Open
Abstract
Obesity is increasingly associated with the transformation of monoclonal gammopathy of undetermined significance (MGUS) into multiple myeloma (MM). Obesity, MGUS, and MM share common etiopathogenesis mechanisms including altered insulin axis and the action of inflammatory cytokines. Consistent with this interconnection, metformin could predominantly exert inhibition of these pathophysiological factors and thus be an attractive therapeutic option for MGUS. Despite the possible clinical significance, only a limited number of epidemiological studies have focused on obesity as a risk factor for MGUS and MM. This review describes multiple biological pathways modulated by metformin at the cellular level and their possible impacts on the biology of MGUS and its progression into MM.
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Affiliation(s)
- Ademar Dantas da Cunha Júnior
- 1Division of Oncology, Department of Internal Medicine, Faculty of Medical Sciences, State University of Campinas (UNICAMP), Campinas, SP, Brazil
- 2Hematology and Oncology Clinics, Cancer Hospital of Cascavel, União Oeste de Estudos e Combate ao Câncer (UOPECCAN), Cascavel, PR, Brazil
- 3Department of Internal Medicine, State University of Western Paraná (UNIOESTE), Cascavel, PR, Brazil
| | - Dalila Luciola Zanette
- 4Laboratory for Applied Science and Technology in Health, Carlos Chagas Institute (ICC), Oswaldo Cruz Foundation (Fiocruz), Rio de Janeiro, Brazil
| | - Fernando Vieira Pericole
- 5Hematology and Blood Transfusion Center, University of Campinas (UNICAMP), Campinas, SP, Brazil
| | | | - José Barreto Campello Carvalheira
- 1Division of Oncology, Department of Internal Medicine, Faculty of Medical Sciences, State University of Campinas (UNICAMP), Campinas, SP, Brazil
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Tu C, Du Z, Zhang H, Feng Y, Qi Y, Zheng Y, Liu J, Wang J. Endocytic pathway inhibition attenuates extracellular vesicle-induced reduction of chemosensitivity to bortezomib in multiple myeloma cells. Am J Cancer Res 2021; 11:2364-2380. [PMID: 33500730 PMCID: PMC7797667 DOI: 10.7150/thno.47996] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2020] [Accepted: 11/18/2020] [Indexed: 12/16/2022] Open
Abstract
Extracellular vesicles (EVs), including exosomes and microvesicles, derived from bone marrow stromal cells (BMSCs) have been demonstrated as key factors in the progression and drug resistance of multiple myeloma (MM). EV uptake involves a variety of mechanisms which largely depend on the vesicle origin and recipient cell type. The aim of the present study was to identify the mechanisms involved in the uptake of BMSC-derived small EVs (sEVs) by MM cells, and to evaluate the anti-MM effect of targeting this process. Methods: Human BMSC-derived sEVs were identified by transmission electron microscopy, nanoparticle tracking analysis, and western blot. The effects of chemical inhibitors and shRNA-mediated knockdown of endocytosis-associated genes on sEV uptake and cell apoptosis were analyzed by flow cytometry. The anti-MM effect of blocking sEV uptake was evaluated in vitro and in a xenograft MM mouse model. Results: sEVs derived from BMSC were taken up by MM cells in a time- and dose-dependent manner, and subsequently promoted MM cell cycling and reduced their chemosensitivity to bortezomib. Chemical endocytosis inhibitors targeting heparin sulphate proteoglycans, actin, tyrosine kinase, dynamin-2, sodium/proton exchangers, or phosphoinositide 3-kinases significantly reduced MM cell internalization of BMSC-derived sEVs. Moreover, shRNA-mediated knockdown of endocytosis-associated proteins, including caveolin-1, flotillin-1, clathrin heavy chain, and dynamin-2 in MM cells suppressed sEV uptake. Furthermore, an endocytosis inhibitor targeting dynamin-2 preferentially suppressed the uptake of sEV by primary MM cells ex vivo and enhanced the anti-MM effects of bortezomib in vitro and in a mouse model. Conclusion: Clathrin- and caveolin-dependent endocytosis and macropinocytosis are the predominant routes of sEV-mediated communication between BMSCs and MM cells, and inhibiting endocytosis attenuates sEV-induced reduction of chemosensitivity to bortezomib, and thus enhances its anti-MM properties.
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12
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Chen T, Moscvin M, Bianchi G. Exosomes in the Pathogenesis and Treatment of Multiple Myeloma in the Context of the Bone Marrow Microenvironment. Front Oncol 2020; 10:608815. [PMID: 33251153 PMCID: PMC7674795 DOI: 10.3389/fonc.2020.608815] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2020] [Accepted: 10/12/2020] [Indexed: 12/19/2022] Open
Abstract
Multiple myeloma (MM), the second most common hematological malignancy, is an incurable cancer of plasma cells. MM cells diffusely involves the bone marrow (BM) and establish a close interaction with the BM niche that in turn supports MM survival, proliferation, dissemination and drug resistance. In spite of remarkable progress in understanding MM biology and developing drugs targeting MM in the context of the BM niche, acquisition of multi-class drug resistance is almost universally inevitable. Exosomes are small, secreted vesicles that have been shown to mediate bidirectional transfer of proteins, lipids, and nucleic acids between BM microenvironment and MM, supporting MM pathogenesis by promoting angiogenesis, osteolysis, and drug resistance. Exosome content has been shown to differ between MM patients and healthy donors and could potentially serve as both cancer biomarker and target for novel therapies. Furthermore, the natural nanostructure and modifiable surface properties of exosomes make them good candidates for drug delivery or novel immunomodulatory therapy. In this review we will discuss the current knowledge regarding exosome's role in MM pathogenesis and its potential role as a novel biomarker and therapeutic tool in MM.
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Affiliation(s)
- Tianzeng Chen
- Division of Hematology, Department of Medicine, Brigham and Women's Hospital, Boston, MA, United States
| | - Maria Moscvin
- Division of Hematology, Department of Medicine, Brigham and Women's Hospital, Boston, MA, United States
| | - Giada Bianchi
- Division of Hematology, Department of Medicine, Brigham and Women's Hospital, Boston, MA, United States.,Harvard Medical School, Boston, MA, United States
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13
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Raimondi L, De Luca A, Giavaresi G, Raimondo S, Gallo A, Taiana E, Alessandro R, Rossi M, Neri A, Viglietto G, Amodio N. Non-Coding RNAs in Multiple Myeloma Bone Disease Pathophysiology. Noncoding RNA 2020; 6:ncrna6030037. [PMID: 32916806 PMCID: PMC7549375 DOI: 10.3390/ncrna6030037] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2020] [Revised: 08/27/2020] [Accepted: 09/08/2020] [Indexed: 12/11/2022] Open
Abstract
Bone remodeling is uncoupled in the multiple myeloma (MM) bone marrow niche, resulting in enhanced osteoclastogenesis responsible of MM-related bone disease (MMBD). Several studies have disclosed the mechanisms underlying increased osteoclast formation and activity triggered by the various cellular components of the MM bone marrow microenvironment, leading to the identification of novel targets for therapeutic intervention. In this regard, recent attention has been given to non-coding RNA (ncRNA) molecules, that finely tune gene expression programs involved in bone homeostasis both in physiological and pathological settings. In this review, we will analyze major signaling pathways involved in MMBD pathophysiology, and report emerging evidence of their regulation by different classes of ncRNAs.
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Affiliation(s)
- Lavinia Raimondi
- IRCSS Istituto Ortopedico Rizzoli, SC Scienze e Tecnologie Chirurgiche–SS Piattaforma Scienze Omiche per Ortopedia Personalizzata, 40136 Bologna, Italy; (A.D.L.); (G.G.)
- Correspondence: (L.R.); (N.A.); Tel.: +39-091-6236011 (L.R.); +39-0961-3694159 (N.A.)
| | - Angela De Luca
- IRCSS Istituto Ortopedico Rizzoli, SC Scienze e Tecnologie Chirurgiche–SS Piattaforma Scienze Omiche per Ortopedia Personalizzata, 40136 Bologna, Italy; (A.D.L.); (G.G.)
| | - Gianluca Giavaresi
- IRCSS Istituto Ortopedico Rizzoli, SC Scienze e Tecnologie Chirurgiche–SS Piattaforma Scienze Omiche per Ortopedia Personalizzata, 40136 Bologna, Italy; (A.D.L.); (G.G.)
| | - Stefania Raimondo
- Department of Biomedicine, Neurosciences and Advanced Diagnostics (Bi.N.D), Section of Biology and Genetics, University of Palermo, 90133 Palermo, Italy; (S.R.); (R.A.)
| | - Alessia Gallo
- IRCCS ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad alta specializzazione), Research Department, 90127 Palermo, Italy;
| | - Elisa Taiana
- Department of Oncology and Hemato-oncology, University of Milan, 20122 Milan, Italy; (E.T.); (A.N.)
- Hematology, Fondazione Cà Granda IRCCS Policlinico, 20122 Milan, Italy
| | - Riccardo Alessandro
- Department of Biomedicine, Neurosciences and Advanced Diagnostics (Bi.N.D), Section of Biology and Genetics, University of Palermo, 90133 Palermo, Italy; (S.R.); (R.A.)
- Institute for Biomedical Research and Innovation (IRIB), National Research Council (CNR), 90146 Palermo, Italy
| | - Marco Rossi
- Department of Experimental and Clinical Medicine, Magna Graecia University of Catanzaro, 88100 Catanzaro, Italy; (M.R.); (G.V.)
| | - Antonino Neri
- Department of Oncology and Hemato-oncology, University of Milan, 20122 Milan, Italy; (E.T.); (A.N.)
- Hematology, Fondazione Cà Granda IRCCS Policlinico, 20122 Milan, Italy
| | - Giuseppe Viglietto
- Department of Experimental and Clinical Medicine, Magna Graecia University of Catanzaro, 88100 Catanzaro, Italy; (M.R.); (G.V.)
| | - Nicola Amodio
- Department of Experimental and Clinical Medicine, Magna Graecia University of Catanzaro, 88100 Catanzaro, Italy; (M.R.); (G.V.)
- Correspondence: (L.R.); (N.A.); Tel.: +39-091-6236011 (L.R.); +39-0961-3694159 (N.A.)
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14
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Multiple Myeloma-Derived Extracellular Vesicles Induce Osteoclastogenesis through the Activation of the XBP1/IRE1α Axis. Cancers (Basel) 2020; 12:cancers12082167. [PMID: 32759820 PMCID: PMC7465175 DOI: 10.3390/cancers12082167] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Revised: 07/30/2020] [Accepted: 08/01/2020] [Indexed: 02/07/2023] Open
Abstract
Bone disease severely affects the quality of life of over 70% of multiple myeloma (MM) patients, which daily experience pain, pathological fractures, mobility issues and an increased mortality. Recent data have highlighted the crucial role of the endoplasmic reticulum-associated unfolded protein response (UPR) in malignant transformation and tumor progression; therefore, targeting of UPR-related molecules may open novel therapeutic avenues. Endoplasmic reticulum (ER) stress and UPR pathways are constitutively activated in MM cells, which are characterized by an increased protein turnover as a consequence of high production of immunoglobulins and high rates of protein synthesis. A great deal of scientific data also evidenced that a mild activation of UPR pathway can regulate cellular differentiation. Our previous studies revealed that MM cell-derived small extracellular vesicle (MM-EV) modulated osteoclasts (OCs) function and induced OCs differentiation. Here, we investigated the role of the UPR pathway, and in particular of the IRE1α/XBP1 axis, in osteoclastogenesis induced by MM-EVs. By proteomic analysis, we identified UPR signaling molecules as novel MM-EV cargo, prompting us to evaluate the effects of the MM-EVs on osteoclastogenesis through UPR pathway. MM-EVs administration in a murine macrophage cell line rapidly induced activation of IRE1α by phosphorylation in S724; accordingly, Xbp1 mRNA splicing was increased and the transcription of NFATc1, a master transcription factor for OCs differentiation, was activated. Some of these results were also validated using both human primary OC cultures and MM-EVs from MM patients. Notably, a chemical inhibitor of IRE1α (GSK2850163) counteracted MM-EV-triggered OC differentiation, hampering the terminal stages of OCs differentiation and reducing bone resorption.
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15
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A Comprehensive Biological and Clinical Perspective Can Drive a Patient-Tailored Approach to Multiple Myeloma: Bridging the Gaps between the Plasma Cell and the Neoplastic Niche. JOURNAL OF ONCOLOGY 2020; 2020:6820241. [PMID: 32508920 PMCID: PMC7251466 DOI: 10.1155/2020/6820241] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/21/2019] [Revised: 02/17/2020] [Accepted: 04/10/2020] [Indexed: 12/13/2022]
Abstract
There is a broad spectrum of diseases labeled as multiple myeloma (MM). This is due not only to the composite prognostic risk factors leading to different clinical outcomes and responses to treatments but also to the composite tumor microenvironment that is involved in a vicious cycle with the MM plasma cells. New therapeutic strategies have improved MM patients' chances of survival. Nevertheless, certain patients' subgroups have a particularly unfavorable prognosis. Biological stratification can be subdivided into patient, disease, or therapy-related factors. Alternatively, the biological signature of aggressive disease and dismal therapeutic response can promote a dynamic, comprehensive strategic approach, better tailoring the clinical management of high-risk profiles and refractoriness to therapy and taking into account the role played by the MM milieu. By means of an extensive literature search, we have reviewed the state-of-the-art pathophysiological insights obtained from translational investigations of the MM-bone marrow microenvironment. A good knowledge of the MM niche pathophysiological dissection is crucial to tailor personalized approaches in a bench-bedside fashion. The discussion in this review pinpoints two main aspects that appear fundamental in order to gain novel and definitive results from the biology of MM. A systematic knowledge of the plasma cell disorder, along with greater efforts to face the unmet needs present in MM evolution, promises to open a new therapeutic window looking out onto the plethora of scientific evidence about the myeloma and the bystander cells.
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16
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Colombo M, Giannandrea D, Lesma E, Basile A, Chiaramonte R. Extracellular Vesicles Enhance Multiple Myeloma Metastatic Dissemination. Int J Mol Sci 2019; 20:ijms20133236. [PMID: 31266187 PMCID: PMC6650870 DOI: 10.3390/ijms20133236] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2019] [Revised: 06/24/2019] [Accepted: 06/27/2019] [Indexed: 12/18/2022] Open
Abstract
Extracellular vesicles (EVs) represent a heterogeneous group of membranous structures shed by all kinds of cell types, which are released into the surrounding microenvironment or spread to distant sites through the circulation. Therefore, EVs are key mediators of the communication between tumor cells and the surrounding microenvironment or the distant premetastatic niche due to their ability to transport lipids, transcription factors, mRNAs, non-coding regulatory RNAs, and proteins. Multiple myeloma (MM) is a hematological neoplasm that mostly relies on the bone marrow (BM). The BM represents a highly supportive niche for myeloma establishment and diffusion during the formation of distant bone lesions typical of this disease. This review represents a survey of the most recent evidence published on the role played by EVs in supporting MM cells during the multiple steps of metastasis, including travel and uptake at distant premetastatic niches, MM cell engraftment as micrometastasis, and expansion to macrometastasis thanks to EV-induced angiogenesis, release of angiocrine factors, activation of osteolytic activity, and mesenchymal cell support. Finally, we illustrate the first evidence concerning the dual effect of MM-EVs in promoting both anti-tumor immunity and MM immune escape, and the possible modulation operated by pharmacological treatments.
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Affiliation(s)
- Michela Colombo
- Department of Health Sciences, Università degli Studi di Milano, I-20142 Milano, Italy
| | - Domenica Giannandrea
- Department of Health Sciences, Università degli Studi di Milano, I-20142 Milano, Italy
| | - Elena Lesma
- Department of Health Sciences, Università degli Studi di Milano, I-20142 Milano, Italy
| | - Andrea Basile
- Department of Oncology and Hemato-Oncology, Università degli Studi di Milano, I-20122 Milano, Italy
| | - Raffaella Chiaramonte
- Department of Health Sciences, Università degli Studi di Milano, I-20142 Milano, Italy.
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17
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Abstract
Small RNAs govern almost every biological process in eukaryotes associating with the Argonaute (AGO) proteins to form the RNA-induced silencing complex (mRISC). AGO proteins constitute the core of RISCs with different members having variety of protein-binding partners and biochemical properties. This review focuses on the AGO subfamily of the AGOs that are ubiquitously expressed and are associated with small RNAs. The structure, function and role of the AGO proteins in the cell is discussed in detail.
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Affiliation(s)
- Saife Niaz
- Department of Biotechnology, University of Kashmir, Srinagar 190006, Jammu and Kashmir, India
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18
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Leukemia-derived exosomes induced IL-8 production in bone marrow stromal cells to protect the leukemia cells against chemotherapy. Life Sci 2019; 221:187-195. [PMID: 30716336 DOI: 10.1016/j.lfs.2019.02.003] [Citation(s) in RCA: 47] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2018] [Revised: 01/24/2019] [Accepted: 02/01/2019] [Indexed: 01/21/2023]
Abstract
AIMS The interplay between bone marrow stromal cells (BMSCs) and acute myeloid leukemia (AML) cells plays a critical role in AML drug resistance by secreting growth factors, cytokines, and extracellular vesicles. As kind of extracellular vesicles, exosomes consist of proteins and RNAs and regulate communication among cells. MAIN METHODS The BMSCs, HS5 cells, and AML cells were co-cultivated with transwell membranes, and treated with different doses of AML chemotherapy drug, etoposide. KEY FINDINGS Findings of our research proved that co-cultivation of BMSCs with AML cells defended AML against cell death triggered via etoposide, without having an impact on cell growth. An increase in the expression of the 70 kDa heat shock proteins (HSP70) as well as lysosomal associated membrane protein 3 (CD63) was observed in the exosomes from BMSC and AML, co-cultivated in conditioned media. Exosome repression in BMSC and AML co-cultivating system rebuilt the sensitivity of the KG1A cells to apoptosis triggered via etoposide, indicating that exosome modulated drug resistance in AML. Our study proved that exosomes arising from KG1A cells could propel BMSCs to generate IL-8, which could regulate the effect of etoposide treatment. Furthermore, IL-8 inhibition by its antibody increased the sensitivity of AML cells to cell death triggered via etoposide. SIGNIFICANCE Our results suggested that exosomes secreted by AML cells is an essential communicator for the interaction of BMSCs and AML, which can protect AML cells from chemotherapy drug induced apoptosis.
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19
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Zheng Y, Tu C, Zhang J, Wang J. Inhibition of multiple myeloma‑derived exosomes uptake suppresses the functional response in bone marrow stromal cell. Int J Oncol 2019; 54:1061-1070. [PMID: 30664188 DOI: 10.3892/ijo.2019.4685] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2018] [Accepted: 12/07/2018] [Indexed: 11/06/2022] Open
Abstract
The communication between multiple myeloma (MM) cells and bone marrow stromal cells (BMSCs) serves a pivotal role in MM progression by supporting MM cell growth, proliferation and drug resistance. An exosomes‑based endogenous transport system has been determined as a novel mechanism of this communication by revealing the capacity for exchange of functional components between cells. An exosomes transfer‑mediated biological response in recipient cells is strongly determined by the detailed routes and mechanisms of exosomes internalization, which are diverse and can depend on surface molecules on the membrane of the vesicle and the recipient cell. Understanding the routes of exosomes uptake during MM cell‑BMSC communication is of great importance for the development of blocking strategies beneficial for MM treatment. In the present study, fluorescently‑labeled exosomes and pharmacological inhibitors, which are known to interfere with different internalization pathways, were used to characterize the cellular mechanisms involved in the uptake of MM cell‑derived exosomes by BMSCs. MM cell‑derived exosomes can promote BMSC viability and induce changes in multiple pro‑survival and pro‑proliferation pathways in BMSCs. As determined by flow cytometry and confocal microscopy, the uptake of MM cell‑derived exosomes proceeded primarily through endocytosis, via special caveolin‑dependent endocytosis, and partially through macropinocytosis and membrane fusion. Furthermore, treatment with endocytosis inhibitors suppressed the exosomes‑induced changes in pathways in BMSCs. Collectively, these results indicate that endocytosis is the primary route of internalization of MM cell‑derived exosomes by BMSCs and indicate that inhibition of exosomes uptake can interrupt the communication between MM cells and BMSCs and thus serve as a potential adjunctive strategy for MM treatment.
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Affiliation(s)
- Yongjiang Zheng
- Department of Hematology, The Third Affiliated Hospital of Sun Yat‑Sen University, Guangzhou, Guangdong 510630, P.R. China
| | - Chenggong Tu
- Key Laboratory of Protein Modification and Degradation, School of Basic Medical Sciences, Affiliated Cancer Hospital and Institute of Guangzhou Medical University, Guangzhou, Guangdong 511436, P.R. China
| | - Jingwen Zhang
- Department of Hematology, The Third Affiliated Hospital of Sun Yat‑Sen University, Guangzhou, Guangdong 510630, P.R. China
| | - Jinheng Wang
- Key Laboratory of Protein Modification and Degradation, School of Basic Medical Sciences, Affiliated Cancer Hospital and Institute of Guangzhou Medical University, Guangzhou, Guangdong 511436, P.R. China
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20
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Faict S, Muller J, De Veirman K, De Bruyne E, Maes K, Vrancken L, Heusschen R, De Raeve H, Schots R, Vanderkerken K, Caers J, Menu E. Exosomes play a role in multiple myeloma bone disease and tumor development by targeting osteoclasts and osteoblasts. Blood Cancer J 2018; 8:105. [PMID: 30409995 PMCID: PMC6224554 DOI: 10.1038/s41408-018-0139-7] [Citation(s) in RCA: 106] [Impact Index Per Article: 17.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2018] [Revised: 09/24/2018] [Accepted: 10/09/2018] [Indexed: 01/05/2023] Open
Abstract
Progression of multiple myeloma (MM) is largely dependent on the bone marrow (BM) microenvironment wherein communication through different factors including extracellular vesicles takes place. This cross-talk not only leads to drug resistance but also to the development of osteolysis. Targeting vesicle secretion could therefore simultaneously ameliorate drug response and bone disease. In this paper, we examined the effects of MM exosomes on different aspects of osteolysis using the 5TGM1 murine model. We found that 5TGM1 sEVs, or ‘exosomes’, not only enhanced osteoclast activity, they also blocked osteoblast differentiation and functionality in vitro. Mechanistically, we could demonstrate that transfer of DKK-1 led to a reduction in Runx2, Osterix, and Collagen 1A1 in osteoblasts. In vivo, we uncovered that 5TGM1 exosomes could induce osteolysis in a similar pattern as the MM cells themselves. Blocking exosome secretion using the sphingomyelinase inhibitor GW4869 not only increased cortical bone volume, but also it sensitized the myeloma cells to bortezomib, leading to a strong anti-tumor response when GW4869 and bortezomib were combined. Altogether, our results indicate an important role for exosomes in the BM microenvironment and suggest a novel therapeutic target for anti-myeloma therapy.
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Affiliation(s)
- Sylvia Faict
- Department of Hematology and Immunology, Myeloma Center Brussels, Vrije Universiteit Brussel, Brussels, Belgium
| | - Joséphine Muller
- Laboratory of Hematology, GIGA-Research, University of Liège, Liège, Belgium
| | - Kim De Veirman
- Department of Hematology and Immunology, Myeloma Center Brussels, Vrije Universiteit Brussel, Brussels, Belgium
| | - Elke De Bruyne
- Department of Hematology and Immunology, Myeloma Center Brussels, Vrije Universiteit Brussel, Brussels, Belgium
| | - Ken Maes
- Department of Hematology and Immunology, Myeloma Center Brussels, Vrije Universiteit Brussel, Brussels, Belgium
| | - Louise Vrancken
- Laboratory of Hematology, GIGA-Research, University of Liège, Liège, Belgium.,Division of Hematology, Department of Medicine, University and CHU of Liège, Liège, Belgium
| | - Roy Heusschen
- Laboratory of Hematology, GIGA-Research, University of Liège, Liège, Belgium
| | - Hendrik De Raeve
- Department of Pathology, UZ Brussel, Vrije Universiteit Brussel, Brussels, Belgium
| | - Rik Schots
- Department of Clinical Haematology, Universitair Ziekenhuis Brussel, Brussels, Belgium
| | - Karin Vanderkerken
- Department of Hematology and Immunology, Myeloma Center Brussels, Vrije Universiteit Brussel, Brussels, Belgium
| | - Jo Caers
- Laboratory of Hematology, GIGA-Research, University of Liège, Liège, Belgium.,Division of Hematology, Department of Medicine, University and CHU of Liège, Liège, Belgium
| | - Eline Menu
- Department of Hematology and Immunology, Myeloma Center Brussels, Vrije Universiteit Brussel, Brussels, Belgium.
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Venken K, Favreau M, Gaublomme D, Menu E, Vanderkerken K, Elewaut D. Checkpoint inhibition in the treatment of multiple myeloma: A way to boost innate-like T cell anti-tumor function? Mol Immunol 2018; 101:521-526. [PMID: 30153633 DOI: 10.1016/j.molimm.2018.08.019] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2018] [Revised: 06/22/2018] [Accepted: 08/18/2018] [Indexed: 01/18/2023]
Abstract
Multiple myeloma (MM) is a progressive monoclonal B cell malignancy, for which survival and progression largely relies on the crosstalk of tumor cells with the bone marrow (BM) microenvironment, inducing immune escape, angiogenesis, bone destruction and drug resistance. Despite great therapeutic advances, most of the MM patients still relapse and remain incurable. Over the past years, immunotherapy has emerged as a new field in cancer therapy. Here, the immune cells of the patients themselves are activated to target the tumor cells. In MM, several effector cells of the immune system are present in the BM microenvironment; unfortunately, they are mostly all functionally impaired. In this review, we focus on the role of innate-like T cells in MM, particularly CD1d- and MR1- restricted T cells such as respectively invariant natural killer T (iNKT) cells and mucosal associated invariant T (MAIT) cells. These cells have the capacity upon activation to rapidly release copious amounts of cytokines affecting a wide range of innate and adaptive immune responses, and could therefore play a key protective role in anti-tumor immunity. We describe recent observations with regard to functional exhaustion of iNKT and MAIT cells in MM pathology and discuss the potential application of checkpoint inhibition as an attractive target for prolonged activation of these immunomodulatory T cells in the treatment of MM.
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Affiliation(s)
- Koen Venken
- Department of Rheumatology, Ghent University Hospital, Ghent, Belgium; Unit for Molecular Immunology and Inflammation, VIB Inflammation Research Center, Ghent University, Ghent, Belgium.
| | - Mérédis Favreau
- Department of Rheumatology, Ghent University Hospital, Ghent, Belgium; Unit for Molecular Immunology and Inflammation, VIB Inflammation Research Center, Ghent University, Ghent, Belgium; Department of Haematology and Immunology, Myeloma Center Brussels, Vrije Universiteit Brussel, Brussels, Belgium
| | - Djoere Gaublomme
- Department of Rheumatology, Ghent University Hospital, Ghent, Belgium; Unit for Molecular Immunology and Inflammation, VIB Inflammation Research Center, Ghent University, Ghent, Belgium
| | - Eline Menu
- Department of Haematology and Immunology, Myeloma Center Brussels, Vrije Universiteit Brussel, Brussels, Belgium
| | - Karin Vanderkerken
- Department of Haematology and Immunology, Myeloma Center Brussels, Vrije Universiteit Brussel, Brussels, Belgium
| | - Dirk Elewaut
- Department of Rheumatology, Ghent University Hospital, Ghent, Belgium; Unit for Molecular Immunology and Inflammation, VIB Inflammation Research Center, Ghent University, Ghent, Belgium
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22
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El Arfani C, De Veirman K, Maes K, De Bruyne E, Menu E. Metabolic Features of Multiple Myeloma. Int J Mol Sci 2018; 19:E1200. [PMID: 29662010 PMCID: PMC5979361 DOI: 10.3390/ijms19041200] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2018] [Revised: 04/07/2018] [Accepted: 04/10/2018] [Indexed: 01/19/2023] Open
Abstract
Cancer is known for its cellular changes contributing to tumour growth and cell proliferation. As part of these changes, metabolic rearrangements are identified in several cancers, including multiple myeloma (MM), which is a condition whereby malignant plasma cells accumulate in the bone marrow (BM). These metabolic changes consist of generation, inhibition and accumulation of metabolites and metabolic shifts in MM cells. Changes in the BM micro-environment could be the reason for such adjustments. Enhancement of glycolysis and glutaminolysis is found in MM cells compared to healthy cells. Metabolites and enzymes can be upregulated or downregulated and play a crucial role in drug resistance. Therefore, this review will focus on changes in glucose and glutamine metabolism linked with the emergence of drug resistance. Moreover, metabolites do not only affect other metabolic components to benefit cancer development; they also interfere with transcription factors involved in proliferation and apoptotic regulation.
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Affiliation(s)
- Chaima El Arfani
- Department of Hematology and Immunology, Myeloma Center Brussels, Vrije Universiteit Brussel (VUB), 1090 Brussels, Belgium.
| | - Kim De Veirman
- Department of Hematology and Immunology, Myeloma Center Brussels, Vrije Universiteit Brussel (VUB), 1090 Brussels, Belgium.
| | - Ken Maes
- Department of Hematology and Immunology, Myeloma Center Brussels, Vrije Universiteit Brussel (VUB), 1090 Brussels, Belgium.
| | - Elke De Bruyne
- Department of Hematology and Immunology, Myeloma Center Brussels, Vrije Universiteit Brussel (VUB), 1090 Brussels, Belgium.
| | - Eline Menu
- Department of Hematology and Immunology, Myeloma Center Brussels, Vrije Universiteit Brussel (VUB), 1090 Brussels, Belgium.
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23
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Evaluation of in vitro effects of various targeted drugs on plasma cells and putative neoplastic stem cells in patients with multiple myeloma. Oncotarget 2018; 7:65627-65642. [PMID: 27582537 PMCID: PMC5323180 DOI: 10.18632/oncotarget.11593] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2016] [Accepted: 08/13/2016] [Indexed: 01/08/2023] Open
Abstract
Multiple myeloma (MM) is a malignancy characterized by monoclonal paraproteinemia and tissue plasmocytosis. In advanced MM cytopenia and osteopathy may occur. Although several effective treatment strategies have been developed in recent years, there is still a need to identify new drug targets and to develop more effective therapies for patients with advanced MM. We examined the effects of 15 targeted drugs on growth and survival of primary MM cells and 5 MM cell lines (MM.1S, NCI-H929, OPM-2, RPMI-8226, U-266). The PI3-kinase blocker BEZ235, the pan-BCL-2 inhibitor obatoclax, the Hsp90-targeting drug 17AAG, and the Polo-like kinase-1 inhibitor BI2536, were found to exert major growth-inhibitory effects in all 5 MM cell lines tested. Moreover, these drugs suppressed the in vitro proliferation of primary bone marrow-derived MM cells and induced apoptosis at pharmacologic drug concentrations. Apoptosis-inducing effects were not only seen in the bulk of MM cells but also in MM stem cell-containing CD138−/CD20+/CD27+ memory B-cell fractions. Synergistic growth-inhibitory effects were observed in MM cell lines using various drug combinations, including 17AAG+BI2536 in MM.1S, OPM-2, RPMI-8226, and U-266 cells, 17AAG+BEZ235 in MM.1S, OPM-2, RPMI-8226, and U-266 cells, 17AAG+obatoclax in MM.1S, NCI-H929, OPM-2, and RPMI-8226 cells, BI2536+BEZ235 in MM.1S, NCI-H929, OPM-2, and RPMI-8226 cells, BI2536+obatoclax in MM.1S, OPM-2 and RPMI-8226 cells, and BEZ235+obatoclax in MM.1S and RPMI-8226 cells. Together, our data show that various targeted drugs induce profound and often synergistic anti-neoplastic effects in MM cells which may have clinical implications and may contribute to the development of novel treatment strategies in advanced MM.
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24
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Wang J, Faict S, Maes K, De Bruyne E, Van Valckenborgh E, Schots R, Vanderkerken K, Menu E. Extracellular vesicle cross-talk in the bone marrow microenvironment: implications in multiple myeloma. Oncotarget 2018; 7:38927-38945. [PMID: 26950273 PMCID: PMC5122441 DOI: 10.18632/oncotarget.7792] [Citation(s) in RCA: 49] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2015] [Accepted: 02/21/2016] [Indexed: 12/13/2022] Open
Abstract
The bone marrow (BM) represents a complex microenvironment containing stromal cells, immune cells, osteoclasts, osteoblasts, and hematopoietic cells, which are crucial for the immune response, bone formation, and hematopoiesis. Apart from soluble factors and direct cell-cell contact, extracellular vesicles (EVs), including exosomes, were recently identified as a third mediator for cell communication. Solid evidence has already demonstrated the involvement of various BM-derived cells and soluble factors in the regulation of multiple biological processes whereas the EV-mediated message delivery system from the BM has just been explored in recent decades. These EVs not only perform physiological functions but can also play a role in cancer development, including in Multiple Myeloma (MM) which is a plasma cell malignancy predominantly localized in the BM. This review will therefore focus on the multiple functions of EVs derived from BM cells, the manipulation of the BM by cancer-derived EVs, and the role of BM EVs in MM progression.
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Affiliation(s)
- Jinheng Wang
- Department of Hematology and Immunology, Myeloma Center Brussels, Vrije Universiteit Brussels (VUB), Brussels, Belgium
| | - Sylvia Faict
- Department of Hematology and Immunology, Myeloma Center Brussels, Vrije Universiteit Brussels (VUB), Brussels, Belgium
| | - Ken Maes
- Department of Hematology and Immunology, Myeloma Center Brussels, Vrije Universiteit Brussels (VUB), Brussels, Belgium
| | - Elke De Bruyne
- Department of Hematology and Immunology, Myeloma Center Brussels, Vrije Universiteit Brussels (VUB), Brussels, Belgium
| | - Els Van Valckenborgh
- Department of Hematology and Immunology, Myeloma Center Brussels, Vrije Universiteit Brussels (VUB), Brussels, Belgium
| | - Rik Schots
- Department of Clinical Hematology, Universitair Ziekenhuis Brussel, Brussels, Belgium
| | - Karin Vanderkerken
- Department of Hematology and Immunology, Myeloma Center Brussels, Vrije Universiteit Brussels (VUB), Brussels, Belgium
| | - Eline Menu
- Department of Hematology and Immunology, Myeloma Center Brussels, Vrije Universiteit Brussels (VUB), Brussels, Belgium
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25
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Bieghs L, Johnsen HE, Maes K, Menu E, Van Valckenborgh E, Overgaard MT, Nyegaard M, Conover CA, Vanderkerken K, De Bruyne E. The insulin-like growth factor system in multiple myeloma: diagnostic and therapeutic potential. Oncotarget 2018; 7:48732-48752. [PMID: 27129151 PMCID: PMC5217049 DOI: 10.18632/oncotarget.8982] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2016] [Accepted: 04/16/2016] [Indexed: 12/14/2022] Open
Abstract
Multiple myeloma (MM) is a highly heterogeneous plasma cell malignancy. The MM cells reside in the bone marrow (BM), where reciprocal interactions with the BM niche foster MM cell survival, proliferation, and drug resistance. As in most cancers, the insulin-like growth factor (IGF) system has been demonstrated to play a key role in the pathogenesis of MM. The IGF system consists of IGF ligands, IGF receptors, IGF binding proteins (IGFBPs), and IGFBP proteases and contributes not only to the survival, proliferation, and homing of MM cells, but also MM-associated angiogenesis and osteolysis. Furthermore, increased IGF-I receptor (IGF-IR) expression on MM cells correlates with a poor prognosis in MM patients. Despite the prominent role of the IGF system in MM, strategies targeting the IGF-IR using blocking antibodies or small molecule inhibitors have failed to translate into the clinic. However, increasing preclinical evidence indicates that IGF-I is also involved in the development of drug resistance against current standard-of-care agents against MM, including proteasome inhibitors, immunomodulatory agents, and corticoids. IGF-IR targeting has been able to overcome or revert this drug resistance in animal models, enhancing the efficacy of standard-of-care agents. This finding has generated renewed interest in the therapeutic potential of IGF-I targeting in MM. The present review provides an update of the impact of the different IGF system components in MM and discusses the diagnostic and therapeutic potentials.
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Affiliation(s)
- Liesbeth Bieghs
- Department of Hematology and Immunology, Myeloma Center Brussels, Vrije Universiteit Brussel, Brussels, Belgium.,Department of Hematology, Aalborg Hospital, Aalborg University, Denmark.,Department of Biomedicin, Aarhus University, Aarhus, Denmark
| | - Hans E Johnsen
- Department of Hematology, Aalborg Hospital, Aalborg University, Denmark.,Clinical Cancer Research Center, Aalborg University Hospital, Denmark.,Department of Clinical Medicine, Aalborg University, Denmark
| | - Ken Maes
- Department of Hematology and Immunology, Myeloma Center Brussels, Vrije Universiteit Brussel, Brussels, Belgium
| | - Eline Menu
- Department of Hematology and Immunology, Myeloma Center Brussels, Vrije Universiteit Brussel, Brussels, Belgium
| | - Els Van Valckenborgh
- Department of Hematology and Immunology, Myeloma Center Brussels, Vrije Universiteit Brussel, Brussels, Belgium
| | | | - Mette Nyegaard
- Department of Biomedicin, Aarhus University, Aarhus, Denmark
| | - Cheryl A Conover
- Division of Endocrinology, Metabolism and Nutrition, Endocrine Research Unit, Mayo Clinic, Rochester, NY, USA
| | - Karin Vanderkerken
- Department of Hematology and Immunology, Myeloma Center Brussels, Vrije Universiteit Brussel, Brussels, Belgium
| | - Elke De Bruyne
- Department of Hematology and Immunology, Myeloma Center Brussels, Vrije Universiteit Brussel, Brussels, Belgium
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26
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Heusschen R, Muller J, Binsfeld M, Marty C, Plougonven E, Dubois S, Mahli N, Moermans K, Carmeliet G, Léonard A, Baron F, Beguin Y, Menu E, Cohen-Solal M, Caers J. SRC kinase inhibition with saracatinib limits the development of osteolytic bone disease in multiple myeloma. Oncotarget 2017; 7:30712-29. [PMID: 27095574 PMCID: PMC5058712 DOI: 10.18632/oncotarget.8750] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2015] [Accepted: 03/31/2016] [Indexed: 12/17/2022] Open
Abstract
Multiple myeloma (MM)-associated osteolytic bone disease is a major cause of morbidity and mortality in MM patients and the development of new therapeutic strategies is of great interest. The proto-oncogene SRC is an attractive target for such a strategy. In the current study, we investigated the effect of treatment with the SRC inhibitor saracatinib (AZD0530) on osteoclast and osteoblast differentiation and function, and on the development of MM and its associated bone disease in the 5TGM.1 and 5T2MM murine MM models. In vitro data showed an inhibitory effect of saracatinib on osteoclast differentiation, polarization and resorptive function. In osteoblasts, collagen deposition and matrix mineralization were affected by saracatinib. MM cell proliferation and tumor burden remained unaltered following saracatinib treatment and we could not detect any synergistic effects with drugs that are part of standard care in MM. We observed a marked reduction of bone loss after treatment of MM-bearing mice with saracatinib as reflected by a restoration of trabecular bone parameters to levels observed in naive control mice. Histomorphometric analyses support that this occurs through an inhibition of bone resorption. In conclusion, these data further establish SRC inhibition as a promising therapeutic approach for the treatment of MM-associated osteolytic bone disease.
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Affiliation(s)
- Roy Heusschen
- Laboratory of Hematology, GIGA-Research, University of Liège, Liège, Belgium
| | - Joséphine Muller
- Laboratory of Hematology, GIGA-Research, University of Liège, Liège, Belgium
| | - Marilène Binsfeld
- Laboratory of Hematology, GIGA-Research, University of Liège, Liège, Belgium
| | - Caroline Marty
- INSERM-UMR-1132, Hôpital Lariboisière and Université Paris Diderot, Paris, France
| | - Erwan Plougonven
- Department of Chemical Engineering, PEPs (Products, Environments, Processes), University of Liège, Liège, Belgium
| | - Sophie Dubois
- Laboratory of Hematology, GIGA-Research, University of Liège, Liège, Belgium
| | - Nadia Mahli
- Laboratory of Hematology, GIGA-Research, University of Liège, Liège, Belgium
| | - Karen Moermans
- Laboratory of Clinical and Experimental Endocrinology, Department of Clinical and Experimental Medicine, KU Leuven, Leuven, Belgium
| | - Geert Carmeliet
- Laboratory of Clinical and Experimental Endocrinology, Department of Clinical and Experimental Medicine, KU Leuven, Leuven, Belgium
| | - Angélique Léonard
- Department of Chemical Engineering, PEPs (Products, Environments, Processes), University of Liège, Liège, Belgium
| | - Frédéric Baron
- Laboratory of Hematology, GIGA-Research, University of Liège, Liège, Belgium.,Division of Hematology, Department of Medicine, University and CHU of Liège, Liège, Belgium
| | - Yves Beguin
- Laboratory of Hematology, GIGA-Research, University of Liège, Liège, Belgium.,Division of Hematology, Department of Medicine, University and CHU of Liège, Liège, Belgium
| | - Eline Menu
- Department of Hematology and Immunology, Myeloma Center Brussels, Vrije Universiteit Brussel, Brussels, Belgium
| | - Martine Cohen-Solal
- INSERM-UMR-1132, Hôpital Lariboisière and Université Paris Diderot, Paris, France
| | - Jo Caers
- Laboratory of Hematology, GIGA-Research, University of Liège, Liège, Belgium.,Division of Hematology, Department of Medicine, University and CHU of Liège, Liège, Belgium
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27
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Iaccino E, Mimmi S, Dattilo V, Marino F, Candeloro P, Di Loria A, Marimpietri D, Pisano A, Albano F, Vecchio E, Ceglia S, Golino G, Lupia A, Fiume G, Quinto I, Scala G. Monitoring multiple myeloma by idiotype-specific peptide binders of tumor-derived exosomes. Mol Cancer 2017; 16:159. [PMID: 29029605 PMCID: PMC5640902 DOI: 10.1186/s12943-017-0730-8] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2017] [Accepted: 10/09/2017] [Indexed: 12/18/2022] Open
Abstract
Tumor-derived exosomes (TDEs) play a pivotal role in tumor establishment and progression, and are emerging biomarkers for tumor diagnosis in personalized medicine. To date, there is a lack of efficient technology platforms for exosome isolation and characterization. Multiple myeloma (MM) is an incurable B-cell malignancy due to the rapid development of drug-resistance. MM-released exosomes express the immunoglobulin B-cell receptor (Ig-BCR) of the tumor B-cells, which can be targeted by Idiotype-binding peptides (Id-peptides). In this study, we analyzed the production of MM-released exosomes in the murine 5T33MM multiple myeloma model as biomarkers of tumor growth. To this end, we selected Id-peptides by screening a phage display library using as bait the Ig-BCR expressed by 5T33MM cells. By FACS, the FITC-conjugated Id-peptides detected the MM-released exosomes in the serum of 5T33MM-engrafted mice, levels of which are correlated with tumor progression at an earlier time point compared to serum paraprotein. These results indicate that Id-peptide-based recognition of MM-released exosomes may represent a very sensitive diagnostic approach for clinical evaluation of disease progression.
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Affiliation(s)
- Enrico Iaccino
- Department of Experimental and Clinical Medicine, University of Catanzaro "Magna Graecia,", Catanzaro, Italy.
| | - Selena Mimmi
- Department of Experimental and Clinical Medicine, University of Catanzaro "Magna Graecia,", Catanzaro, Italy
| | - Vincenzo Dattilo
- Department of Experimental and Clinical Medicine, University of Catanzaro "Magna Graecia,", Catanzaro, Italy
| | - Fabiola Marino
- Department of Experimental and Clinical Medicine, University of Catanzaro "Magna Graecia,", Catanzaro, Italy
| | - Patrizio Candeloro
- Department of Experimental and Clinical Medicine, University of Catanzaro "Magna Graecia,", Catanzaro, Italy
| | - Antonio Di Loria
- Department of Experimental and Clinical Medicine, University of Catanzaro "Magna Graecia,", Catanzaro, Italy
| | - Danilo Marimpietri
- Stem Cell and Cellular Therapy Laboratory, G. Gaslini Institute, Genoa, Italy
| | - Antonio Pisano
- Department of Experimental and Clinical Medicine, University of Catanzaro "Magna Graecia,", Catanzaro, Italy
| | - Francesco Albano
- Department of Experimental and Clinical Medicine, University of Catanzaro "Magna Graecia,", Catanzaro, Italy
| | - Eleonora Vecchio
- Department of Experimental and Clinical Medicine, University of Catanzaro "Magna Graecia,", Catanzaro, Italy
| | - Simona Ceglia
- Department of Experimental and Clinical Medicine, University of Catanzaro "Magna Graecia,", Catanzaro, Italy
| | - Gaetanina Golino
- Department of Experimental and Clinical Medicine, University of Catanzaro "Magna Graecia,", Catanzaro, Italy
| | - Antonio Lupia
- Department of Experimental and Clinical Medicine, University of Catanzaro "Magna Graecia,", Catanzaro, Italy
| | - Giuseppe Fiume
- Department of Experimental and Clinical Medicine, University of Catanzaro "Magna Graecia,", Catanzaro, Italy
| | - Ileana Quinto
- Department of Experimental and Clinical Medicine, University of Catanzaro "Magna Graecia,", Catanzaro, Italy.
| | - Giuseppe Scala
- Department of Experimental and Clinical Medicine, University of Catanzaro "Magna Graecia,", Catanzaro, Italy
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28
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Abstract
The outcomes for the majority of patients with myeloma have improved over recent decades, driven by treatment advances. However, there is a subset of patients considered to have high-risk disease who have not benefited. Understanding how high-risk disease evolves from more therapeutically tractable stages is crucial if we are to improve outcomes. This can be accomplished by identifying the genetic mechanisms and mutations driving the transition of a normal plasma cell to one with the features of the following disease stages: monoclonal gammopathy of undetermined significance, smouldering myeloma, myeloma and plasma cell leukaemia. Although myeloma initiating events are clonal, subsequent driver lesions often occur in a subclone of cells, facilitating progression by Darwinian selection processes. Understanding the co-evolution of the clones within their microenvironment will be crucial for therapeutically manipulating the process. The end stage of progression is the generation of a state associated with treatment resistance, increased proliferation, evasion of apoptosis and an ability to grow independently of the bone marrow microenvironment. In this Review, we discuss these end-stage high-risk disease states and how new information is improving our understanding of their evolutionary trajectories, how they may be diagnosed and the biological behaviour that must be addressed if they are to be treated effectively.
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Affiliation(s)
- Charlotte Pawlyn
- The Institute of Cancer Research, 15 Cotswold Road, Sutton SM2 5NG, UK
| | - Gareth J Morgan
- The Myeloma Institute, University of Arkansas for Medical Sciences, Little Rock, Arkansas 72205, USA
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29
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The therapeutic potential of cell cycle targeting in multiple myeloma. Oncotarget 2017; 8:90501-90520. [PMID: 29163849 PMCID: PMC5685770 DOI: 10.18632/oncotarget.18765] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2017] [Accepted: 06/11/2017] [Indexed: 12/15/2022] Open
Abstract
Proper cell cycle progression through the interphase and mitosis is regulated by coordinated activation of important cell cycle proteins (including cyclin-dependent kinases and mitotic kinases) and several checkpoint pathways. Aberrant activity of these cell cycle proteins and checkpoint pathways results in deregulation of cell cycle progression, which is one of the key hallmarks of cancer. Consequently, intensive research on targeting these cell cycle regulatory proteins identified several candidate small molecule inhibitors that are able to induce cell cycle arrest and even apoptosis in cancer cells. Importantly, several of these cell cycle regulatory proteins have also been proposed as therapeutic targets in the plasma cell malignancy multiple myeloma (MM). Despite the enormous progress in the treatment of MM the past 5 years, MM still remains most often incurable due to the development of drug resistance. Deregulated expression of the cyclins D is observed in virtually all myeloma patients, emphasizing the potential therapeutic interest of cyclin-dependent kinase inhibitors in MM. Furthermore, other targets have also been identified in MM, such as microtubules, kinesin motor proteins, aurora kinases, polo-like kinases and the anaphase promoting complex/cyclosome. This review will provide an overview of the cell cycle proteins and checkpoint pathways deregulated in MM and discuss the therapeutic potential of targeting proteins or protein complexes involved in cell cycle control in MM.
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30
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Favreau M, Menu E, Gaublomme D, Vanderkerken K, Faict S, Maes K, De Bruyne E, Govindarajan S, Drennan M, Van Calenbergh S, Leleu X, Zabeau L, Tavernier J, Venken K, Elewaut D. Leptin receptor antagonism of iNKT cell function: a novel strategy to combat multiple myeloma. Leukemia 2017; 31:2678-2685. [PMID: 28490813 DOI: 10.1038/leu.2017.146] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2017] [Revised: 04/27/2017] [Accepted: 05/03/2017] [Indexed: 12/28/2022]
Abstract
A hallmark of bone marrow changes with aging is the increase in adipocyte composition, but how this impacts development of multiple myeloma (MM) is unknown. Here, we report the role of the adipokine leptin as master regulator of anti-myeloma tumor immunity by modulating the invariant natural killer T (iNKT) cell function. A marked increase in serum leptin levels and leptin receptor (LR) expression on iNKT cells in MM patients and the 5T33 murine MM model was observed. MM cells and leptin synergistically counteracted anti-tumor functionality of both murine and human iNKT cells. In vivo blockade of LR signaling combined with iNKT stimulation resulted in superior anti-tumor protection. This was linked to persistent IFN-γ secretion upon repeated iNKT cell stimulation and a restoration of the dynamic antigen-induced motility arrest as observed by intravital microscopy, thereby showing alleviation of iNKT cell anergy. Overall our data reveal the LR axis as novel therapeutic target for checkpoint inhibition to treat MM.
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Affiliation(s)
- M Favreau
- Department of Hematology and Immunology, Myeloma Center Brussels, Vrije Universiteit Brussel, Brussels, Belgium.,Department of Rheumatology, Ghent University Hospital, Ghent, Belgium.,Unit for Molecular Immunology and Inflammation, VIB Inflammation Research Center, Ghent University, Ghent, Belgium
| | - E Menu
- Department of Hematology and Immunology, Myeloma Center Brussels, Vrije Universiteit Brussel, Brussels, Belgium
| | - D Gaublomme
- Department of Rheumatology, Ghent University Hospital, Ghent, Belgium.,Unit for Molecular Immunology and Inflammation, VIB Inflammation Research Center, Ghent University, Ghent, Belgium
| | - K Vanderkerken
- Department of Hematology and Immunology, Myeloma Center Brussels, Vrije Universiteit Brussel, Brussels, Belgium
| | - S Faict
- Department of Hematology and Immunology, Myeloma Center Brussels, Vrije Universiteit Brussel, Brussels, Belgium
| | - K Maes
- Department of Hematology and Immunology, Myeloma Center Brussels, Vrije Universiteit Brussel, Brussels, Belgium
| | - E De Bruyne
- Department of Hematology and Immunology, Myeloma Center Brussels, Vrije Universiteit Brussel, Brussels, Belgium
| | - S Govindarajan
- Department of Rheumatology, Ghent University Hospital, Ghent, Belgium.,Unit for Molecular Immunology and Inflammation, VIB Inflammation Research Center, Ghent University, Ghent, Belgium
| | - M Drennan
- Department of Rheumatology, Ghent University Hospital, Ghent, Belgium.,Unit for Molecular Immunology and Inflammation, VIB Inflammation Research Center, Ghent University, Ghent, Belgium
| | - S Van Calenbergh
- Laboratory for Medicinal Chemistry, Department of Pharmaceutics, Faculty of Pharmaceutical Sciences, Ghent University, Ghent, Belgium
| | - X Leleu
- Service d'Hématologie et Thérapie Cellulaire, Pôle Régional de Cancérologie, Hospital de la Miléterie, Poitiers, France
| | - L Zabeau
- Department of Biochemistry, VIB Medical Biotechnology Center, Faculty of Medicine and Health Sciences, Ghent University, Ghent, Belgium
| | - J Tavernier
- Department of Biochemistry, VIB Medical Biotechnology Center, Faculty of Medicine and Health Sciences, Ghent University, Ghent, Belgium
| | - K Venken
- Department of Rheumatology, Ghent University Hospital, Ghent, Belgium.,Unit for Molecular Immunology and Inflammation, VIB Inflammation Research Center, Ghent University, Ghent, Belgium
| | - D Elewaut
- Department of Rheumatology, Ghent University Hospital, Ghent, Belgium.,Unit for Molecular Immunology and Inflammation, VIB Inflammation Research Center, Ghent University, Ghent, Belgium
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31
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Issa ME, Takhsha FS, Chirumamilla CS, Perez-Novo C, Vanden Berghe W, Cuendet M. Epigenetic strategies to reverse drug resistance in heterogeneous multiple myeloma. Clin Epigenetics 2017; 9:17. [PMID: 28203307 PMCID: PMC5303245 DOI: 10.1186/s13148-017-0319-5] [Citation(s) in RCA: 62] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2016] [Accepted: 01/26/2017] [Indexed: 12/31/2022] Open
Abstract
Multiple myeloma (MM) is a hematological malignancy, which remains incurable because most patients eventually relapse or become refractory to current treatments. Due to heterogeneity within the cancer cell microenvironment, cancer cell populations employ a dynamic survival strategy to chemotherapeutic treatments, which frequently results in a rapid acquisition of therapy resistance. Besides resistance-conferring genetic alterations within a tumor cell population selected during drug treatment, recent findings also reveal non-mutational mechanisms of drug resistance, involving a small population of "cancer stem cells" (CSCs) which are intrinsically more refractory to the effects of a variety of anticancer drugs. Other studies have implicated epigenetic mechanisms in reversible drug tolerance to protect the population from eradication by potentially lethal exposures, suggesting that acquired drug resistance does not necessarily require a stable heritable genetic alteration. Clonal evolution of MM cells and the bone marrow microenvironment changes contribute to drug resistance. MM-CSCs may not be a static population and survive as phenotypically and functionally different cell types via the transition between stem-like and non-stem-like states in local microenvironments, as observed in other types of cancers. Targeting MM-CSCs is clinically relevant, and different approaches have been suggested to target molecular, metabolic and epigenetic signatures, and the self-renewal signaling characteristic of MM CSC-like cells. Here, we summarize epigenetic strategies to reverse drug resistance in heterogeneous multiple myeloma.
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Affiliation(s)
- Mark E Issa
- School of Pharmaceutical Sciences, University of Geneva, University of Lausanne, Rue Michel-Servet 1, CH-1211 Geneva 4, Switzerland
| | - Farnaz Sedigheh Takhsha
- Laboratory of Protein Science, Proteomics and Epigenetic Signaling (PPES), Department of Biomedical sciences, University of Antwerp, Campus Drie Eiken, Universiteitsplein 1, Wilrijk, Belgium
| | - Chandra Sekhar Chirumamilla
- Laboratory of Protein Science, Proteomics and Epigenetic Signaling (PPES), Department of Biomedical sciences, University of Antwerp, Campus Drie Eiken, Universiteitsplein 1, Wilrijk, Belgium
| | - Claudina Perez-Novo
- Laboratory of Protein Science, Proteomics and Epigenetic Signaling (PPES), Department of Biomedical sciences, University of Antwerp, Campus Drie Eiken, Universiteitsplein 1, Wilrijk, Belgium
| | - Wim Vanden Berghe
- Laboratory of Protein Science, Proteomics and Epigenetic Signaling (PPES), Department of Biomedical sciences, University of Antwerp, Campus Drie Eiken, Universiteitsplein 1, Wilrijk, Belgium
| | - Muriel Cuendet
- School of Pharmaceutical Sciences, University of Geneva, University of Lausanne, Rue Michel-Servet 1, CH-1211 Geneva 4, Switzerland
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32
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Extracellular vesicles and blood diseases. Int J Hematol 2017; 105:392-405. [PMID: 28130731 DOI: 10.1007/s12185-017-2180-x] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2016] [Revised: 01/09/2017] [Accepted: 01/09/2017] [Indexed: 01/19/2023]
Abstract
Extracellular vesicles (EVs) are small membrane vesicles released from many different cell types by the exocytic budding of the plasma membrane in response to cellular activation or apoptosis. EVs disseminate various bioactive effectors originating from the parent cells and transfer functional RNA and protein between cells, enabling them to alter vascular function and induce biological responses involved in vascular homeostasis. Although most EVs in human blood originate from platelets, EVs are also released from leukocytes, erythrocytes, endothelial cells, smooth muscle cells, and cancer cells. EVs were initially thought to be small particles with procoagulant activity; however, they can also evoke cellular responses in the immediate microenvironments and transport microRNAs (miRNA) into target cells. In this review, we summarize the recent literature relevant to EVs, including a growing list of clinical disorders that are associated with elevated EV levels. These studies suggest that EVs play roles in various blood diseases.
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33
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Bar-Natan M, Stroopinsky D, Luptakova K, Coll MD, Apel A, Rajabi H, Pyzer AR, Palmer K, Reagan MR, Nahas MR, Karp Leaf R, Jain S, Arnason J, Ghobrial IM, Anderson KC, Kufe D, Rosenblatt J, Avigan D. Bone marrow stroma protects myeloma cells from cytotoxic damage via induction of the oncoprotein MUC1. Br J Haematol 2017; 176:929-938. [PMID: 28107546 DOI: 10.1111/bjh.14493] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2016] [Accepted: 10/10/2016] [Indexed: 01/19/2023]
Abstract
Multiple myeloma (MM) is a lethal haematological malignancy that arises in the context of a tumour microenvironment that promotes resistance to apoptosis and immune escape. In the present study, we demonstrate that co-culture of MM cells with stromal cells results in increased resistance to cytotoxic and biological agents as manifested by decreased rates of cell death following exposure to alkylating agents and the proteosome inhibitor, bortezomib. To identify the mechanism of increased resistance, we examined the effect of the co-culture of MM cells with stroma cells, on expression of the MUC1 oncogene, known to confer tumour cells with resistance to apoptosis and necrosis. Co-culture of stroma with MM cells resulted in increased MUC1 expression by tumour cells. The effect of stromal cell co-culture on MUC1 expression was not dependent on cell contact and was therefore thought to be due to soluble factors secreted by the stromal cells into the microenvironment. We demonstrated that MUC1 expression was mediated by interleukin-6 and subsequent up-regulation of the JAK-STAT pathway. Interestingly, the effect of stromal cell co-culture on tumour resistance was partially reversed by silencing of MUC1 in MM cells, consistent with the potential role of MUC1 in mediating resistance to cytotoxic-based therapies.
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Affiliation(s)
- Michal Bar-Natan
- Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Dina Stroopinsky
- Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Katarina Luptakova
- Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Maxwell D Coll
- Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Arie Apel
- Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Hasan Rajabi
- Dana Farber Cancer Institute, Harvard Medical School, Boston, MA, USA
| | - Athalia R Pyzer
- Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Kristen Palmer
- Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Michaela R Reagan
- Jerome Lipper Multiple Myeloma Center, Department of Medical Oncology, Dana Farber Cancer Institute, Harvard Medical School, Boston, MA, USA
| | - Myrna R Nahas
- Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Rebecca Karp Leaf
- Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Salvia Jain
- Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Jon Arnason
- Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Irene M Ghobrial
- Jerome Lipper Multiple Myeloma Center, Department of Medical Oncology, Dana Farber Cancer Institute, Harvard Medical School, Boston, MA, USA
| | | | - Donald Kufe
- Dana Farber Cancer Institute, Harvard Medical School, Boston, MA, USA
| | - Jacalyn Rosenblatt
- Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - David Avigan
- Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
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Wang J, De Veirman K, De Beule N, Maes K, De Bruyne E, Van Valckenborgh E, Vanderkerken K, Menu E. The bone marrow microenvironment enhances multiple myeloma progression by exosome-mediated activation of myeloid-derived suppressor cells. Oncotarget 2016; 6:43992-4004. [PMID: 26556857 PMCID: PMC4791281 DOI: 10.18632/oncotarget.6083] [Citation(s) in RCA: 125] [Impact Index Per Article: 15.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2015] [Accepted: 10/23/2015] [Indexed: 12/29/2022] Open
Abstract
Exosomes, extracellular nanovesicles secreted by various cell types, modulate the bone marrow (BM) microenvironment by regulating angiogenesis, cytokine release, immune response, inflammation, and metastasis. Interactions between bone marrow stromal cells (BMSCs) and multiple myeloma (MM) cells play crucial roles in MM development. We previously reported that BMSC-derived exosomes directly promote MM cell growth, whereas the other possible mechanisms for supporting MM progression by these exosomes are still not clear. Here, we investigated the effect of BMSC-derived exosomes on the MM BM cells with specific emphasis on myeloid-derived suppressor cells (MDSCs). BMSC-derived exosomes were able to be taken up by MM MDSCs and induced their expansion in vitro. Moreover, these exosomes directly induced the survival of MDSCs through activating STAT3 and STAT1 pathways and increasing the anti-apoptotic proteins Bcl-xL and Mcl-1. Inhibition of these pathways blocked the enhancement of MDSC survival. Furthermore, these exosomes increased the nitric oxide release from MM MDSCs and enhanced their suppressive activity on T cells. Taken together, our results demonstrate that BMSC-derived exosomes activate MDSCs in the BM through STAT3 and STAT1 pathways, leading to increased immunosuppression which favors MM progression.
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Affiliation(s)
- Jinheng Wang
- Department of Hematology and Immunology, Myeloma Center Brussels, Vrije Universiteit Brussels (VUB), Brussels, Belgium
| | - Kim De Veirman
- Department of Hematology and Immunology, Myeloma Center Brussels, Vrije Universiteit Brussels (VUB), Brussels, Belgium
| | - Nathan De Beule
- Department of Hematology and Immunology, Myeloma Center Brussels, Vrije Universiteit Brussels (VUB), Brussels, Belgium
| | - Ken Maes
- Department of Hematology and Immunology, Myeloma Center Brussels, Vrije Universiteit Brussels (VUB), Brussels, Belgium
| | - Elke De Bruyne
- Department of Hematology and Immunology, Myeloma Center Brussels, Vrije Universiteit Brussels (VUB), Brussels, Belgium
| | - Els Van Valckenborgh
- Department of Hematology and Immunology, Myeloma Center Brussels, Vrije Universiteit Brussels (VUB), Brussels, Belgium
| | - Karin Vanderkerken
- Department of Hematology and Immunology, Myeloma Center Brussels, Vrije Universiteit Brussels (VUB), Brussels, Belgium
| | - Eline Menu
- Department of Hematology and Immunology, Myeloma Center Brussels, Vrije Universiteit Brussels (VUB), Brussels, Belgium
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35
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Pagnotti GM, Chan ME, Adler BJ, Shroyer KR, Rubin J, Bain SD, Rubin CT. Low intensity vibration mitigates tumor progression and protects bone quantity and quality in a murine model of myeloma. Bone 2016; 90:69-79. [PMID: 27262776 PMCID: PMC4970889 DOI: 10.1016/j.bone.2016.05.014] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/21/2015] [Revised: 05/13/2016] [Accepted: 05/31/2016] [Indexed: 01/18/2023]
Abstract
Myeloma facilitates destruction of bone and marrow. Since physical activity encourages musculoskeletal preservation we evaluated whether low-intensity vibration (LIV), a means to deliver mechanical signals, could protect bone and marrow during myeloma progression. Immunocompromised-mice (n=25) were injected with human-myeloma cells, while 8 (AC) were saline-injected. Myeloma-injected mice (LIV; n=13) were subjected to daily-mechanical loading (15min/d; 0.3g @ 90Hz) while 12 (MM) were sham-handled. At 8w, femurs had 86% less trabecular bone volume fraction (BV/TV) in MM than in AC, yet only a 21% decrease in LIV was observed in comparison to AC, reflecting a 76% increase versus MM. Cortical BV was 21% and 15% lower in MM and LIV, respectively, than in AC; LIV showing 30% improvement over MM. Similar outcomes were observed in the axial skeleton, showing a 35% loss in MM with a 27% improved retention of bone in the L5 of LIV-treated mice as compared to MM. Transcortical-perforations in the femur from myeloma-induced osteolysis were 9× higher in MM versus AC, reduced by 57% in LIV. Serum-TRACP5b, 61% greater in MM versus AC, rose by 33% in LIV compared to AC, a 45% reduction in activity when compared to MM. Histomorphometric analyses of femoral trabecular bone demonstrated a 70% elevation in eroded surfaces of MM versus AC, while measures in LIV were 58% below those in MM. 72% of marrow in the femur of MM mice contained tumor, contrasted by a 31% lower burden in LIV. MM mice (42%) presented advanced-stage necrosis of tibial marrow while present in just 8% of LIV. Myeloma infiltration inversely correlated to measures of bone quality, while LIV slowed the systemic, myeloma-associated decline in bone quality and inhibited tumor progression through the hindlimbs.
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Affiliation(s)
- Gabriel M Pagnotti
- Department of Biomedical Engineering, Stony Brook University, Stony Brook, NY 11794-5281, United States
| | - M Ete Chan
- Department of Biomedical Engineering, Stony Brook University, Stony Brook, NY 11794-5281, United States
| | - Benjamin J Adler
- Department of Biomedical Engineering, Stony Brook University, Stony Brook, NY 11794-5281, United States
| | - Kenneth R Shroyer
- Department of Pathology, Stony Brook University, Stony Brook, NY 11794-2580, United States
| | - Janet Rubin
- Department of Medicine, University of North Carolina, Chapel Hill, NC 27599, United States
| | - Steven D Bain
- Department of Orthopedics & Sports Medicine, University of Washington, Seattle, WA 98104-2499, United States
| | - Clinton T Rubin
- Department of Biomedical Engineering, Stony Brook University, Stony Brook, NY 11794-5281, United States.
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Cell adhesion induces overexpression of chromodomain helicase/ATPase DNA binding protein 1-like gene (CHD1L) and contributes to cell adhesion-mediated drug resistance (CAM-DR) in multiple myeloma cells. Leuk Res 2016; 47:54-62. [DOI: 10.1016/j.leukres.2016.05.007] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2015] [Revised: 04/16/2016] [Accepted: 05/12/2016] [Indexed: 11/20/2022]
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Tandon N, Ramakrishnan V, Kumar SK. Clinical use and applications of histone deacetylase inhibitors in multiple myeloma. Clin Pharmacol 2016; 8:35-44. [PMID: 27226735 PMCID: PMC4866749 DOI: 10.2147/cpaa.s94021] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
The incorporation of various novel therapies has resulted in a significant survival benefit in newly diagnosed and relapsed patients with multiple myeloma (MM) over the past decade. Despite these advances, resistance to therapy leads to eventual relapse and fatal outcomes in the vast majority of patients. Hence, there is an unmet need for new safe and efficacious therapies for continued improvement in outcomes. Given the role of epigenetic aberrations in the pathogenesis and progression of MM and the success of histone deacetylase inhibitors (HDACi) in other malignancies, many HDACi have been tried in MM. Various preclinical studies helped us to understand the antimyeloma activity of different HDACi in MM as a single agent or in combination with conventional, novel, and immune therapies. The early clinical trials of HDACi depicted only modest single-agent activity, but recent studies have revealed encouraging clinical response rates in combination with other antimyeloma agents, especially proteasome inhibitors. This led to the approval of the combination of panobinostat and bortezomib for the treatment of relapsed/refractory MM patients with two prior lines of treatment by the US Food and Drug Administration. However, it remains yet to be defined how we can incorporate HDACi in the current therapeutic paradigms for MM that will help to achieve longer disease control and significant survival benefits. In addition, isoform-selective and/or class-selective HDAC inhibition to reduce unfavorable side effects needs further evaluation.
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Affiliation(s)
- Nidhi Tandon
- Division of Hematology, Mayo Clinic, Rochester, MN, USA
| | | | - Shaji K Kumar
- Division of Hematology, Mayo Clinic, Rochester, MN, USA
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38
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Induction of miR-146a by multiple myeloma cells in mesenchymal stromal cells stimulates their pro-tumoral activity. Cancer Lett 2016; 377:17-24. [PMID: 27102001 DOI: 10.1016/j.canlet.2016.04.024] [Citation(s) in RCA: 98] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2016] [Revised: 04/14/2016] [Accepted: 04/14/2016] [Indexed: 12/12/2022]
Abstract
Mutual communication between multiple myeloma (MM) cells and mesenchymal stromal cells (MSC) plays a pivotal role in supporting MM progression. In MM, MSC exhibit a different genomic profile and dysregulated cytokine secretion compared to normal MSC, however the mechanisms involved in these changes are not fully understood. Here, we examined the miRNA changes in human MSC after culture with conditioned medium of MM cells and found 19 dysregulated miRNAs, including upregulated miR-146a. Moreover, exosomes derived from MM cells contained miR-146a and could be transferred into MSC. After overexpressing miR-146a in MSC, secretion of several cytokines and chemokines including CXCL1, IL6, IL-8, IP-10, MCP-1, and CCL-5 was elevated, resulting in the enhancement of MM cell viability and migration. DAPT, an inhibitor of the endogenous Notch pathway, was able to abrogate the miR-146a-induced increase of cytokines in MSC, suggesting the involvement of the Notch pathway. Taken together, our results demonstrate a positive feedback loop between MM cells and MSC: MM cells promote the increase of miR146a in MSC which leads to more cytokine secretion, which in turn favors MM cell growth and migration.
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39
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Wang J, De Veirman K, Faict S, Frassanito MA, Ribatti D, Vacca A, Menu E. Multiple myeloma exosomes establish a favourable bone marrow microenvironment with enhanced angiogenesis and immunosuppression. J Pathol 2016; 239:162-73. [PMID: 26956697 DOI: 10.1002/path.4712] [Citation(s) in RCA: 169] [Impact Index Per Article: 21.1] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2015] [Revised: 02/03/2016] [Accepted: 02/29/2016] [Indexed: 12/21/2022]
Abstract
Multiple myeloma (MM) pathogenesis and progression largely rely on the cells and extracellular factors in the bone marrow (BM) microenvironment. Compelling studies have identified tumour exosomes as key regulators in the maintenance and education of the BM microenvironment by targeting stromal cells, immune cells, and vascular cells. However, the role of MM exosomes in the modification of the BM microenvironment and MM progression remains unclear. Here, we explored the functions of MM exosomes in angiogenesis and immunosuppression in vitro and in vivo. Murine MM exosomes carrying multiple angiogenesis-related proteins enhanced angiogenesis and directly promoted endothelial cell growth. Several pathways such as signal transducer and activator of transcription 3 (STAT3), c-Jun N-terminal kinase, and p53 were modulated by the exosomes in endothelial and BM stromal cells. These exosomes promoted the growth of myeloid-derived suppressor cells (MDSCs) in naive mice through activation of the STAT3 pathway and changed their subsets to similar phenotypes to those seen in MM-bearing mice. Moreover, MM exosomes up-regulated inducible nitric oxide synthase and enhanced the immunosuppressive capacity of BM MDSCs in vivo. Our data show that MM exosomes modulate the BM microenvironment through enhancement of angiogenesis and immunosuppression, which will further facilitate MM progression. Copyright © 2016 Pathological Society of Great Britain and Ireland. Published by John Wiley & Sons, Ltd.
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Affiliation(s)
- Jinheng Wang
- Department of Hematology and Immunology, Myeloma Center Brussels, Vrije Universiteit Brussels (VUB), Brussels, Belgium
| | - Kim De Veirman
- Department of Hematology and Immunology, Myeloma Center Brussels, Vrije Universiteit Brussels (VUB), Brussels, Belgium
| | - Sylvia Faict
- Department of Hematology and Immunology, Myeloma Center Brussels, Vrije Universiteit Brussels (VUB), Brussels, Belgium
| | - Maria Antonia Frassanito
- Department of Biomedical Sciences and Human Oncology, University of Bari Medical School, Bari, Italy
| | - Domenico Ribatti
- Department of Basic Medical Sciences, Neurosciences and Sensory Organs, University of Bari Medical School, Bari, Italy.,National Cancer Institute 'Giovanni Paolo II', Bari, Italy
| | - Angelo Vacca
- Department of Biomedical Sciences and Human Oncology, University of Bari Medical School, Bari, Italy
| | - Eline Menu
- Department of Hematology and Immunology, Myeloma Center Brussels, Vrije Universiteit Brussels (VUB), Brussels, Belgium
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40
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Maes K, De Smedt E, Kassambara A, Hose D, Seckinger A, Van Valckenborgh E, Menu E, Klein B, Vanderkerken K, Moreaux J, De Bruyne E. In vivo treatment with epigenetic modulating agents induces transcriptional alterations associated with prognosis and immunomodulation in multiple myeloma. Oncotarget 2016; 6:3319-34. [PMID: 25669970 PMCID: PMC4413656 DOI: 10.18632/oncotarget.3207] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2014] [Accepted: 12/17/2014] [Indexed: 12/11/2022] Open
Abstract
Histone deacetylase inhibitors (HDACi) and DNA methyltransferase inhibitors (DNMTi) are in early clinical development for multiple myeloma (MM) therapy. Despite all encouraging pre-clinical data, clinical activity of HDACi and DNMTi is mostly lacking. To optimize the trials, characterization of the in vivo response towards HDACi and DNMTi will be crucial. Therefore, we investigated the transcriptional response after in vivo treatment with the HDACi quisinostat or DNMTi decitabine using the murine 5T33MM model. We identified 504 and 154 genes deregulated by quisinostat and decitabine, respectively. Of interest, MM patients' gene expression levels of 62 quisinostat- and 25 decitabine-deregulated genes were predictive for overall survival of patients. This prognostic information was implemented in a DNA methylation and histone acetylation score. A high score was related to a high proliferative and immature phenotype of MM cells. Furthermore, highly scored MM patients had an adverse overall survival. Interestingly, bio-informatic prediction tools revealed an association of quisinostat-deregulated genes with lymphocyte activation, proliferation, immune-effector mechanisms and T-helper-1 development. Overall, treatment of 5T33MM mice with epigenetic modulating agents led to the translation of gene signatures to predict overall survival of MM patients. HDACi mainly deregulated tumoral immunomodulatory pathways, supporting the rationale to combine HDACi with immunomodulatory therapies.
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Affiliation(s)
- Ken Maes
- Department of Hematology and Immunology, Myeloma Center Brussels, Vrije Universiteit Brussel, Brussels, Belgium
| | - Eva De Smedt
- Department of Hematology and Immunology, Myeloma Center Brussels, Vrije Universiteit Brussel, Brussels, Belgium
| | - Alboukadel Kassambara
- Department of Biological Haematology, CHU Montpellier, Montpellier, France.,Institute of Human Genetics, CNRS-UPR1142, Montpellier, France
| | - Dirk Hose
- Medizinische Klinik, Universitätsklinikum Heidelberg, Heidelberg, Germany
| | - Anja Seckinger
- Medizinische Klinik, Universitätsklinikum Heidelberg, Heidelberg, Germany
| | - Els Van Valckenborgh
- Department of Hematology and Immunology, Myeloma Center Brussels, Vrije Universiteit Brussel, Brussels, Belgium
| | - Eline Menu
- Department of Hematology and Immunology, Myeloma Center Brussels, Vrije Universiteit Brussel, Brussels, Belgium
| | - Bernard Klein
- Department of Biological Haematology, CHU Montpellier, Montpellier, France.,Institute of Human Genetics, CNRS-UPR1142, Montpellier, France.,University of Montpellier 1, UFR de Médecine, Montpellier, France
| | - Karin Vanderkerken
- Department of Hematology and Immunology, Myeloma Center Brussels, Vrije Universiteit Brussel, Brussels, Belgium
| | - Jérôme Moreaux
- Department of Biological Haematology, CHU Montpellier, Montpellier, France.,Institute of Human Genetics, CNRS-UPR1142, Montpellier, France.,University of Montpellier 1, UFR de Médecine, Montpellier, France
| | - Elke De Bruyne
- Department of Hematology and Immunology, Myeloma Center Brussels, Vrije Universiteit Brussel, Brussels, Belgium
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Lub S, Maes K, Menu E, De Bruyne E, Vanderkerken K, Van Valckenborgh E. Novel strategies to target the ubiquitin proteasome system in multiple myeloma. Oncotarget 2016; 7:6521-37. [PMID: 26695547 PMCID: PMC4872730 DOI: 10.18632/oncotarget.6658] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2015] [Accepted: 11/23/2015] [Indexed: 12/20/2022] Open
Abstract
Multiple myeloma (MM) is a hematological malignancy characterized by the accumulation of plasma cells in the bone marrow (BM). The success of the proteasome inhibitor bortezomib in the treatment of MM highlights the importance of the ubiquitin proteasome system (UPS) in this particular cancer. Despite the prolonged survival of MM patients, a significant amount of patients relapse or become resistant to therapy. This underlines the importance of the development and investigation of novel targets to improve MM therapy. The UPS plays an important role in different cellular processes by targeted destruction of proteins. The ubiquitination process consists of enzymes that transfer ubiquitin to proteins targeting them for proteasomal degradation. An emerging and promising approach is to target more disease specific components of the UPS to reduce side effects and overcome resistance. In this review, we will focus on different components of the UPS such as the ubiquitin activating enzyme E1, the ubiquitin conjugating enzyme E2, the E3 ubiquitin ligases, the deubiquitinating enzymes (DUBs) and the proteasome. We will discuss their role in MM and the implications in drug discovery for the treatment of MM.
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Affiliation(s)
- Susanne Lub
- Laboratory of Hematology and Immunology, Myeloma Center Brussels, Vrije Universiteit Brussel, Brussels, Belgium
| | - Ken Maes
- Laboratory of Hematology and Immunology, Myeloma Center Brussels, Vrije Universiteit Brussel, Brussels, Belgium
| | - Eline Menu
- Laboratory of Hematology and Immunology, Myeloma Center Brussels, Vrije Universiteit Brussel, Brussels, Belgium
| | - Elke De Bruyne
- Laboratory of Hematology and Immunology, Myeloma Center Brussels, Vrije Universiteit Brussel, Brussels, Belgium
| | - Karin Vanderkerken
- Laboratory of Hematology and Immunology, Myeloma Center Brussels, Vrije Universiteit Brussel, Brussels, Belgium
| | - Els Van Valckenborgh
- Laboratory of Hematology and Immunology, Myeloma Center Brussels, Vrije Universiteit Brussel, Brussels, Belgium
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42
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Pappa CA, Tsirakis G, Stavroulaki E, Kokonozaki M, Xekalou A, Konsolas I, Alexandrakis MG. Mast Cells Influence the Proliferation Rate of Myeloma Plasma Cells. Cancer Invest 2015; 33:137-41. [DOI: 10.3109/07357907.2015.1008639] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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43
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Borsi E, Perrone G, Terragna C, Martello M, Zamagni E, Tacchetti P, Pantani L, Brioli A, Dico AF, Zannetti BA, Rocchi S, Cavo M. HIF-1α inhibition blocks the cross talk between multiple myeloma plasma cells and tumor microenvironment. Exp Cell Res 2014; 328:444-55. [PMID: 25257607 DOI: 10.1016/j.yexcr.2014.09.018] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2014] [Revised: 09/11/2014] [Accepted: 09/15/2014] [Indexed: 01/25/2023]
Abstract
Multiple myeloma (MM) is a malignant disorder of post-germinal center B cells, characterized by the clonal proliferation of malignant plasma cells (PCs) within the bone marrow (BM). The reciprocal and complex interactions that take place between the different compartments of BM and the MM cells result in tumor growth, angiogenesis, bone disease, and drug resistance. Given the importance of the BM microenvironment in MM pathogenesis, we investigated the possible involvement of Hypoxia-Inducible transcription Factor-1 alpha (HIF-1α) in the PCs-bone marrow stromal cells interplay. To test this hypothesis, we used EZN-2968, a 3rd generation antisense oligonucleotide against HIF-1α, to inhibit HIF-1α functions. Herein, we provide evidence that the interaction between MM cells and BM stromal cells is drastically reduced upon HIF-1α down-modulation. Notably, we showed that upon exposure to HIF-1α inhibitor, neither the incubation with IL-6 nor the co-culture with BM stromal cells were able to revert the anti-proliferative effect induced by EZN-2968. Moreover, we observed a down-modulation of cytokine-induced signaling cascades and a reduction of MM cells adhesion capability to the extracellular matrix proteins in EZN-2968-treated samples. Taken together, these results strongly support the concept that HIF-1α plays a critical role in the interactions between bone BM cells and PCs in Multiple Myeloma.
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Affiliation(s)
- Enrica Borsi
- Department of Experimental Diagnostic and Specialty Medicine (DIMES), "L. & A. Seràgnoli", Bologna University School of Medicine, S. Orsola׳s University Hospital, Italy.
| | - Giulia Perrone
- Fondazione IRCCS Istituto Nazionale dei Tumori, Hematology Department, Via Venezian 1, 20133 Milano, Italy
| | - Carolina Terragna
- Department of Experimental Diagnostic and Specialty Medicine (DIMES), "L. & A. Seràgnoli", Bologna University School of Medicine, S. Orsola׳s University Hospital, Italy
| | - Marina Martello
- Department of Experimental Diagnostic and Specialty Medicine (DIMES), "L. & A. Seràgnoli", Bologna University School of Medicine, S. Orsola׳s University Hospital, Italy
| | - Elena Zamagni
- Department of Experimental Diagnostic and Specialty Medicine (DIMES), "L. & A. Seràgnoli", Bologna University School of Medicine, S. Orsola׳s University Hospital, Italy
| | - Paola Tacchetti
- Department of Experimental Diagnostic and Specialty Medicine (DIMES), "L. & A. Seràgnoli", Bologna University School of Medicine, S. Orsola׳s University Hospital, Italy
| | - Lucia Pantani
- Department of Experimental Diagnostic and Specialty Medicine (DIMES), "L. & A. Seràgnoli", Bologna University School of Medicine, S. Orsola׳s University Hospital, Italy
| | - Annamaria Brioli
- Department of Experimental Diagnostic and Specialty Medicine (DIMES), "L. & A. Seràgnoli", Bologna University School of Medicine, S. Orsola׳s University Hospital, Italy
| | - Angela Flores Dico
- Department of Experimental Diagnostic and Specialty Medicine (DIMES), "L. & A. Seràgnoli", Bologna University School of Medicine, S. Orsola׳s University Hospital, Italy
| | - Beatrice Anna Zannetti
- Department of Experimental Diagnostic and Specialty Medicine (DIMES), "L. & A. Seràgnoli", Bologna University School of Medicine, S. Orsola׳s University Hospital, Italy
| | - Serena Rocchi
- Department of Experimental Diagnostic and Specialty Medicine (DIMES), "L. & A. Seràgnoli", Bologna University School of Medicine, S. Orsola׳s University Hospital, Italy
| | - Michele Cavo
- Department of Experimental Diagnostic and Specialty Medicine (DIMES), "L. & A. Seràgnoli", Bologna University School of Medicine, S. Orsola׳s University Hospital, Italy
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44
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Bortezomib and IL-12 produce synergetic anti-multiple myeloma effects with reduced toxicity to natural killer cells. Anticancer Drugs 2014; 25:282-8. [PMID: 24300915 DOI: 10.1097/cad.0000000000000058] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
The aim of this study was to examine the hypothesis that a combination of proteasome inhibition by bortezomib and immune therapy with interleukin-12 (IL-12) can produce enhanced antitumor efficacy relative to the effects of either of these agents alone. A mouse xenograft model of myeloma was developed. The mice were randomly divided into saline control (NS), IL-12 (0.4 µg/animal; intraperitoneal), bortezomib (0.75 mg/kg; intravenous), and bortezomib+IL-12 groups. Effects of treatments on tumor growth were assessed by before and after treatment comparisons and group comparisons. The effects of various treatments on the number of peripheral blood lymphocytes and natural killer (NK) cells were assessed by complete blood count and flow cytometry analysis. The cell-killing function of NK cells in splenocytes was evaluated using the lactate dehydrogenase release assay. IL-12 treatment alone produced a mild decrease in tumor volume compared with control (P>0.05). Bortezomib alone resulted in substantial inhibition of tumor growth at varying time points, reaching ~65 and ~60% reduction in tumor volume after 15 and 21 days of therapy, respectively. At the same time points, the combination therapy produced ~75 and ~84% decreases in tumor growth, respectively, which were significantly greater than the reduction produced by bortezomib monotherapy. Tumors resumed growth upon termination of bortezomib treatment at 2 weeks, although the tumor volume was still significantly smaller than that in the time-matched NS and IL-12 animals. This rebound of tumor growth was completely prevented with the combination therapy, and tumor volume continued to decrease throughout the time course. The percentage and total number of NK cells were significantly decreased after bortezomib monotherapy and combination therapy; however, they remained unaltered after IL-12 treatment compared with no treatment. Further, combination therapy significantly restored the bortezomib-induced functional impairment of the cell-killing capability of NK cells, relative to bortezomib alone. We conclude that the bortezomib-IL-12 combination therapy offers superior antitumor efficacy over monotherapy with either bortezomib or IL-12 in a mouse model of myeloma. Restoration of bortezomib-induced functional impairment of NK cells by IL-12 may be a mechanism for the synergetic effects of the two agents. Therefore, a combination of the two agents may represent a more rational therapeutic approach for myeloma.
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De Veirman K, Rao L, De Bruyne E, Menu E, Van Valckenborgh E, Van Riet I, Frassanito MA, Di Marzo L, Vacca A, Vanderkerken K. Cancer associated fibroblasts and tumor growth: focus on multiple myeloma. Cancers (Basel) 2014; 6:1363-81. [PMID: 24978438 PMCID: PMC4190545 DOI: 10.3390/cancers6031363] [Citation(s) in RCA: 64] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2014] [Revised: 03/17/2014] [Accepted: 06/04/2014] [Indexed: 12/18/2022] Open
Abstract
Cancer associated fibroblasts (CAFs) comprise a heterogeneous population that resides within the tumor microenvironment. They actively participate in tumor growth and metastasis by production of cytokines and chemokines, and the release of pro-inflammatory and pro-angiogenic factors, creating a more supportive microenvironment. The aim of the current review is to summarize the origin and characteristics of CAFs, and to describe the role of CAFs in tumor progression and metastasis. Furthermore, we focus on the presence of CAFs in hypoxic conditions in relation to multiple myeloma disease.
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Affiliation(s)
- Kim De Veirman
- Department of Hematology and Immunology, Myeloma Center Brussels, Vrije Universiteit Brussel (VUB), Brussels 1090, Belgium.
| | - Luigia Rao
- Department of Hematology and Immunology, Myeloma Center Brussels, Vrije Universiteit Brussel (VUB), Brussels 1090, Belgium.
| | - Elke De Bruyne
- Department of Hematology and Immunology, Myeloma Center Brussels, Vrije Universiteit Brussel (VUB), Brussels 1090, Belgium.
| | - Eline Menu
- Department of Hematology and Immunology, Myeloma Center Brussels, Vrije Universiteit Brussel (VUB), Brussels 1090, Belgium.
| | - Els Van Valckenborgh
- Department of Hematology and Immunology, Myeloma Center Brussels, Vrije Universiteit Brussel (VUB), Brussels 1090, Belgium.
| | - Ivan Van Riet
- Department of Hematology and Immunology, Myeloma Center Brussels, Vrije Universiteit Brussel (VUB), Brussels 1090, Belgium.
| | - Maria Antonia Frassanito
- Department of Biomedical Sciences and Human Oncology, Section of General Pathology, University of Bari Medical School, Bari I-70124, Italy.
| | - Lucia Di Marzo
- Department of Biomedical Sciences and Human Oncology, Section of Internal Medicine, University of Bari Medical School, Bari I-70124, Italy.
| | - Angelo Vacca
- Department of Biomedical Sciences and Human Oncology, Section of Internal Medicine, University of Bari Medical School, Bari I-70124, Italy.
| | - Karin Vanderkerken
- Department of Hematology and Immunology, Myeloma Center Brussels, Vrije Universiteit Brussel (VUB), Brussels 1090, Belgium.
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Bone marrow stromal cell-derived exosomes as communicators in drug resistance in multiple myeloma cells. Blood 2014; 124:555-66. [PMID: 24928860 DOI: 10.1182/blood-2014-03-562439] [Citation(s) in RCA: 327] [Impact Index Per Article: 32.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
The interplay between bone marrow stromal cells (BMSCs) and multiple myeloma (MM) cells performs a crucial role in MM pathogenesis by secreting growth factors, cytokines, and extracellular vesicles. Exosomes are membranous vesicles 40 to 100 nm in diameter constitutively released by almost all cell types, and they mediate local cell-to-cell communication by transferring mRNAs, miRNAs, and proteins. Although BMSC-induced growth and drug resistance of MM cells has been studied, the role of BMSC-derived exosomes in this action remains unclear. Here we investigate the effect of BMSC-derived exosomes on the viability, proliferation, survival, migration, and drug resistance of MM cells, using the murine 5T33MM model and human MM samples. BMSCs and MM cells could mutually exchange exosomes carrying certain cytokines. Both naive and 5T33 BMSC-derived exosomes increased MM cell growth and induced drug resistance to bortezomib. BMSC-derived exosomes also influenced the activation of several survival relevant pathways, including c-Jun N-terminal kinase, p38, p53, and Akt. Exosomes obtained from normal donor and MM patient BMSCs also induced survival and drug resistance of human MM cells. Taken together, our results demonstrate the involvement of exosome-mediated communication in BMSC-induced proliferation, migration, survival, and drug resistance of MM cells.
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Wu S, Yu W, Qu X, Wang R, Xu J, Zhang Q, Xu J, Li J, Chen L. Argonaute 2 promotes myeloma angiogenesis via microRNA dysregulation. J Hematol Oncol 2014; 7:40. [PMID: 24886719 PMCID: PMC4108130 DOI: 10.1186/1756-8722-7-40] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2013] [Accepted: 04/22/2014] [Indexed: 01/08/2023] Open
Abstract
BACKGROUND Dysregulated microRNA (miRNA) expression contributes to cancer cell proliferation, apoptosis and angiogenesis. Angiogenesis is a hallmark of multiple myeloma (MM) development and progression. Argonaute 2 (AGO2) protein, a core component of the RNA-induced silencing complex (RISC), can directly bind to miRNAs and mediate target messenger RNA (mRNA) degradation. A previous study showed that AGO2 knockdown suppressed human umbilical vein endothelial cell (HUVEC) growth and tube formation. However, the roles and molecular mechanisms of AGO2-induced myeloma angiogenesis are not yet fully understood. The aim of this study was to characterize these roles and effects and their associated mechanisms. RESULTS Supernatants from AGO2-overexpressing MM lines induced HUVEC migration and accelerated tube formation. Conversely, supernatants from AGO2-knockdown MM lines suppressed HUVEC cell migration and tube formation. Moreover, a chick chorioallantoic membrane (CAM) assay was used to demonstrate that AGO2 could drive neovessel formation in MM lines in vivo. Using an miRNA microarray, we observed that 25 miRNAs were upregulated and 7 were downregulated in response to AGO2. Most let-7 family members and 2 miR-17/92 cluster members (miR-17a and miR-92-1), all known pro-angiogenic miRNAs, were positively regulated by AGO2 whereas anti-angiogenic miRNAs such as miR-145 and miR-361 were negatively regulated by AGO2. CONCLUSIONS We conclude that AGO2 can drive neovessel formation in vitro and in vivo by dysregulating the expression of some angiogenic miRNAs. The pro-angiogenic miRNAs of the let-7 family and the miR-17/92 cluster, along with the anti-angiogenic miRNA miR-145, play crucial roles in AGO2-mediated angiogenesis by targeting angiogenesis-related genes.
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Affiliation(s)
| | | | | | | | | | | | | | | | - Lijuan Chen
- Department of Hematology, First Affiliated Hospital of Nanjing Medical University, Jiangsu Province Hospital, 300 Guangzhou Road, Nanjing 210029, China.
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Plasma cells release membrane microparticles in a mouse model of multiple myeloma. Micron 2013; 54-55:75-81. [PMID: 24055121 DOI: 10.1016/j.micron.2013.08.010] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2013] [Revised: 08/28/2013] [Accepted: 08/28/2013] [Indexed: 01/06/2023]
Abstract
Microparticles (MPs) released from the plasma membrane play a role in tumor progression. Involvement of MPs in myeloma (MM) has been poorly investigated. Because of the strong interaction of MM cells with bone microenvironment, we hypothesized an implication of MPs in MM using a murine model. Forty-four mice were injected with 5THL-MM cells and compared with 14 non-injected mice. Blood was collected at the early and end stages of MM development (EMM and LMM) to characterize the circulating MPs. At LMM, MPs were isolated from bone marrow (BM) of long bones of 22 mice, after centrifugation. Electron microscopy immunohistochemistry and Western blotting using CD138 were performed on BM-derived MPs. At EMM, MPs circulating level was significantly lower versus controls. In LMM, a significant increase of the total MP number from plasma was observed versus controls. Characterization of circulating MPs showed an increase of leukocyte- and erythrocyte-derived MPs. In LMM, serum M-protein was correlated with circulating MP number. BM-derived MPs increased in LMM and expressed CD138. Anti-CD138 coupled with nanobeads localized at the MP surface. There is evidence of an association between increase of MPs and MM development; the results underscore the participation of plasma cell-derived MPs originating from BM.
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Zhang S, Xu J, Wu S, Wang R, Qu X, Yu W, Li J, Chen L. IRF4 promotes cell proliferation by JNK pathway in multiple myeloma. Med Oncol 2013; 30:594. [PMID: 23666852 DOI: 10.1007/s12032-013-0594-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2013] [Accepted: 04/26/2013] [Indexed: 11/28/2022]
Abstract
Interferon regulatory factor 4 (IRF4) is a member of the interferon regulatory family, which plays an important role in many lymphoid and myeloid malignancies. In the current study, using immunohistochemical staining, we found that IRF4 only expressed in plasma cells in bone marrow biopsy samples of multiple myeloma. IRF4-positive patients displayed increased disease stage (Durie-Salmon stage, p = 0.026; and International Staging System, p = 0.005). Silencing IRF4 in myeloma cell lines could inhibit myeloma cells proliferation and induce myeloma cell apoptosis, partly by JNK/Jun pathway. These results demonstrate that IRF4 plays important roles in myelomagenesis and disease progression.
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Affiliation(s)
- Sensen Zhang
- Department of Hematology, The First Affiliated Hospital of Nanjing Medical University, Jiangsu Province Hospital, 300 Guangzhou Road, Nanjing 210029, China
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Hu J, Van Valckenborgh E, Menu E, De Bruyne E, Vanderkerken K. Understanding the hypoxic niche of multiple myeloma: therapeutic implications and contributions of mouse models. Dis Model Mech 2013; 5:763-71. [PMID: 23115205 PMCID: PMC3484859 DOI: 10.1242/dmm.008961] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
Multiple myeloma (MM) is the second most common hematological malignancy and is characterized by the clonal expansion of plasma cells in the bone marrow. Recently, hypoxia has received increased interest in the context of MM, in both basic and translational research. In this review, we describe the discovery of the hypoxic niche in MM and how it can be targeted therapeutically. We also discuss mouse models that closely mimic human MM, highlighting those that allow preclinical research into new therapies that exploit the hypoxic niche in MM.
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Affiliation(s)
- Jinsong Hu
- Department of Genetics and Molecular Biology, Medical School of Xi'an Jiaotong University, Xi'an, China
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