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Xu J, Liu W, Fan F, Zhang B, Sun C, Hu Y. Advances in nano-immunotherapy for hematological malignancies. Exp Hematol Oncol 2024; 13:57. [PMID: 38796455 PMCID: PMC11128130 DOI: 10.1186/s40164-024-00525-3] [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: 11/25/2023] [Accepted: 05/18/2024] [Indexed: 05/28/2024] Open
Abstract
Hematological malignancies (HMs) encompass a diverse group of blood neoplasms with significant morbidity and mortality. Immunotherapy has emerged as a validated and crucial treatment modality for patients with HMs. Despite notable advancements having been made in understanding and implementing immunotherapy for HMs over the past decade, several challenges persist. These challenges include immune-related adverse effects, the precise biodistribution and elimination of therapeutic antigens in vivo, immune tolerance of tumors, and immune evasion by tumor cells within the tumor microenvironment (TME). Nanotechnology, with its capacity to manipulate material properties at the nanometer scale, has the potential to tackle these obstacles and revolutionize treatment outcomes by improving various aspects such as drug targeting and stability. The convergence of nanotechnology and immunotherapy has given rise to nano-immunotherapy, a specialized branch of anti-tumor therapy. Nanotechnology has found applications in chimeric antigen receptor T cell (CAR-T) therapy, cancer vaccines, immune checkpoint inhibitors, and other immunotherapeutic strategies for HMs. In this review, we delineate recent developments and discuss current challenges in the field of nano-immunotherapy for HMs, offering novel insights into the potential of nanotechnology-based therapeutic approaches for these diseases.
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Affiliation(s)
- Jian Xu
- Institute of Hematology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, No. 1277 Jiefang Avenue, Wuhan, 430022, China
| | - Wenqi Liu
- Institute of Hematology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, No. 1277 Jiefang Avenue, Wuhan, 430022, China
- Department of Hematology, The Second Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang, 310000, China
| | - Fengjuan Fan
- Institute of Hematology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, No. 1277 Jiefang Avenue, Wuhan, 430022, China
| | - Bo Zhang
- Institute of Hematology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, No. 1277 Jiefang Avenue, Wuhan, 430022, China
| | - Chunyan Sun
- Institute of Hematology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, No. 1277 Jiefang Avenue, Wuhan, 430022, China.
| | - Yu Hu
- Institute of Hematology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, No. 1277 Jiefang Avenue, Wuhan, 430022, China.
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2
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Wang C, Wang W, Wang M, Deng J, Sun C, Hu Y, Luo S. Different evasion strategies in multiple myeloma. Front Immunol 2024; 15:1346211. [PMID: 38464531 PMCID: PMC10920326 DOI: 10.3389/fimmu.2024.1346211] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Accepted: 02/09/2024] [Indexed: 03/12/2024] Open
Abstract
Multiple myeloma is the second most common malignant hematologic malignancy which evolved different strategies for immune escape from the host immune surveillance and drug resistance, including uncontrolled proliferation of malignant plasma cells in the bone marrow, genetic mutations, or deletion of tumor antigens to escape from special targets and so. Therefore, it is a big challenge to efficiently treat multiple myeloma patients. Despite recent applications of immunomodulatory drugs (IMiDS), protease inhibitors (PI), targeted monoclonal antibodies (mAb), and even hematopoietic stem cell transplantation (HSCT), it remains hardly curable. Summarizing the possible evasion strategies can help design specific drugs for multiple myeloma treatment. This review aims to provide an integrative overview of the intrinsic and extrinsic evasion mechanisms as well as recently discovered microbiota utilized by multiple myeloma for immune evasion and drug resistance, hopefully providing a theoretical basis for the rational design of specific immunotherapies or drug combinations to prevent the uncontrolled proliferation of MM, overcome drug resistance and improve patient survival.
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Affiliation(s)
| | | | | | | | | | - Yu Hu
- Institute of Hematology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Shanshan Luo
- Institute of Hematology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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3
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Cencini E, Sicuranza A, Ciofini S, Fabbri A, Bocchia M, Gozzetti A. Tumor-Associated Macrophages in Multiple Myeloma: Key Role in Disease Biology and Potential Therapeutic Implications. Curr Oncol 2023; 30:6111-6133. [PMID: 37504315 PMCID: PMC10378698 DOI: 10.3390/curroncol30070455] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Revised: 05/14/2023] [Accepted: 06/23/2023] [Indexed: 07/29/2023] Open
Abstract
Multiple myeloma (MM) is characterized by multiple relapse and, despite the introduction of novel therapies, the disease becomes ultimately drug-resistant. The tumor microenvironment (TME) within the bone marrow niche includes dendritic cells, T-cytotoxic, T-helper, reactive B-lymphoid cells and macrophages, with a complex cross-talk between these cells and the MM tumor cells. Tumor-associated macrophages (TAM) have an important role in the MM pathogenesis, since they could promote plasma cells proliferation and angiogenesis, further supporting MM immune evasion and progression. TAM are polarized towards M1 (classically activated, antitumor activity) and M2 (alternatively activated, pro-tumor activity) subtypes. Many studies demonstrated a correlation between TAM, disease progression, drug-resistance and reduced survival in lymphoproliferative neoplasms, including MM. MM plasma cells in vitro could favor an M2 TAM polarization. Moreover, a possible correlation between the pro-tumor effect of M2 TAM and a reduced sensitivity to proteasome inhibitors and immunomodulatory drugs was hypothesized. Several clinical studies confirmed CD68/CD163 double-positive M2 TAM were associated with increased microvessel density, chemoresistance and reduced survival, independently of the MM stage. This review provided an overview of the biology and clinical relevance of TAM in MM, as well as a comprehensive evaluation of a potential TAM-targeted immunotherapy.
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Affiliation(s)
- Emanuele Cencini
- Unit of Hematology, Azienda Ospedaliera Universitaria Senese, University of Siena, 53100 Siena, Italy
| | - Anna Sicuranza
- Unit of Hematology, Azienda Ospedaliera Universitaria Senese, University of Siena, 53100 Siena, Italy
| | - Sara Ciofini
- Unit of Hematology, Azienda Ospedaliera Universitaria Senese, University of Siena, 53100 Siena, Italy
| | - Alberto Fabbri
- Unit of Hematology, Azienda Ospedaliera Universitaria Senese, University of Siena, 53100 Siena, Italy
| | - Monica Bocchia
- Unit of Hematology, Azienda Ospedaliera Universitaria Senese, University of Siena, 53100 Siena, Italy
| | - Alessandro Gozzetti
- Unit of Hematology, Azienda Ospedaliera Universitaria Senese, University of Siena, 53100 Siena, Italy
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Melaccio A, Reale A, Saltarella I, Desantis V, Lamanuzzi A, Cicco S, Frassanito MA, Vacca A, Ria R. Pathways of Angiogenic and Inflammatory Cytokines in Multiple Myeloma: Role in Plasma Cell Clonal Expansion and Drug Resistance. J Clin Med 2022; 11:jcm11216491. [PMID: 36362718 PMCID: PMC9658666 DOI: 10.3390/jcm11216491] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2022] [Revised: 10/23/2022] [Accepted: 10/25/2022] [Indexed: 11/06/2022] Open
Abstract
Multiple myeloma (MM) is the second most common hematological malignancy, and despite the introduction of innovative therapies, remains an incurable disease. Identifying early and minimally or non-invasive biomarkers for predicting clinical outcomes and therapeutic responses is an active field of investigation. Malignant plasma cells (PCs) reside in the bone marrow (BM) microenvironment (BMME) which comprises cells (e.g., tumour, immune, stromal cells), components of the extracellular matrix (ECM) and vesicular and non-vesicular (soluble) molecules, all factors that support PCs’ survival and proliferation. The interaction between PCs and BM stromal cells (BMSCs), a hallmark of MM progression, is based not only on intercellular interactions but also on autocrine and paracrine circuits mediated by soluble or vesicular components. In fact, PCs and BMSCs secrete various cytokines, including angiogenic cytokines, essential for the formation of specialized niches called “osteoblastic and vascular niches”, thus supporting neovascularization and bone disease, vital processes that modulate the pathophysiological PCs–BMME interactions, and ultimately promoting disease progression. Here, we aim to discuss the roles of cytokines and growth factors in pathogenetic pathways in MM and as prognostic and predictive biomarkers. We also discuss the potential of targeted drugs that simultaneously block PCs’ proliferation and survival, PCs–BMSCs interactions and BMSCs activity, which may represent the future goal of MM therapy.
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Affiliation(s)
- Assunta Melaccio
- Department of Biomedical Sciences and Human Oncology, Section of Internal Medicine “G. Baccelli”, University of Bari Medical School, 70124 Bari, Italy
- Correspondence: (A.M.); (R.R.); Tel.: +39-320-55-17-232 (A.M.)
| | - Antonia Reale
- Myeloma Research Group, Australian Centre for Blood Diseases, Central Clinical School, Monash University—Alfred Health, Melbourne 3004, Australia
| | - Ilaria Saltarella
- Department of Biomedical Sciences and Human Oncology, Pharmacology Section, University of Bari Aldo Moro Medical School, 70124 Bari, Italy
| | - Vanessa Desantis
- Department of Biomedical Sciences and Human Oncology, Pharmacology Section, University of Bari Aldo Moro Medical School, 70124 Bari, Italy
| | - Aurelia Lamanuzzi
- Department of Biomedical Sciences and Human Oncology, Section of Internal Medicine “G. Baccelli”, University of Bari Medical School, 70124 Bari, Italy
| | - Sebastiano Cicco
- Department of Biomedical Sciences and Human Oncology, Section of Internal Medicine “G. Baccelli”, University of Bari Medical School, 70124 Bari, Italy
| | - Maria Antonia Frassanito
- General Pathology Unit, Department of Biomedical Sciences and Human Oncology, University of Bari Medical School, 70124 Bari, Italy
| | - Angelo Vacca
- Department of Biomedical Sciences and Human Oncology, Section of Internal Medicine “G. Baccelli”, University of Bari Medical School, 70124 Bari, Italy
| | - Roberto Ria
- Department of Biomedical Sciences and Human Oncology, Section of Internal Medicine “G. Baccelli”, University of Bari Medical School, 70124 Bari, Italy
- Correspondence: (A.M.); (R.R.); Tel.: +39-320-55-17-232 (A.M.)
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Dadzie TG, Green AC. The role of the bone microenvironment in regulating myeloma residual disease and treatment. Front Oncol 2022; 12:999939. [PMID: 36072809 PMCID: PMC9441696 DOI: 10.3389/fonc.2022.999939] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2022] [Accepted: 08/08/2022] [Indexed: 11/28/2022] Open
Abstract
Multiple myeloma is an incurable haematological cancer. The increase in targeted therapies has improved the number of myeloma patients achieving a complete response and improved progression-free survival following therapy. However, a low level of disease or minimal residual disease (MRD) still persists which contributes to the inevitable relapse in myeloma patients. MRD has been attributed to the presence of dormant myeloma cells and their subsequent reactivation, which is controlled by the microenvironment and specialised niches within the bone marrow. This contributes to the evasion of the immune system and chemotherapy, eventually leading to relapse. The growth of myeloma tumours are heavily dependent on environmental stimuli from the bone marrow microenvironment, and this plays a key role in myeloma progression. The bone microenvironment also plays a critical role in myeloma bone disease and the development of skeletal-related events. This review focuses on the bone marrow microenvironment in relation to myeloma pathogenesis and cancer dormancy. Moreover, it reviews the current therapies targeting the bone microenvironment to treat myeloma and myeloma bone disease. Lastly, it identifies novel therapeutic targets for myeloma treatment and the associated bone disease.
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6
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Guan Z, Sun Y, Mu L, Jiang Y, Fan J. Tenascin-C promotes bladder cancer progression and its action depends on syndecan-4 and involves NF-κB signaling activation. BMC Cancer 2022; 22:240. [PMID: 35246056 PMCID: PMC8896393 DOI: 10.1186/s12885-022-09285-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Accepted: 02/09/2022] [Indexed: 02/07/2023] Open
Abstract
Background Bladder Cancer (BCa) is a severe genitourinary tract disease with an uncertain pathology. Increasing evidence indicates that the tumor microenvironment plays a decisive role with respect to cancer progression, and that this is driven by tumor cell interactions with stromal components. Tenascin-C (TN-C) is an important extracellular matrix (ECM) component, which has been reported to be involved in other types of cancer, such as breast cancer. The expression of TN-C in BCa tissue has been reported to be positively associated with the BCa pathological grade, yet the presence of urine TN-C is considered as an independent risk factor for BCa. However, the role of TN-C in BCa progression is still unknow. Thus, the object of the present investigation is to determine the role of TN-C in BCa progression and the involved mechanism. Methods In this study, expression of TN-C in BCa tissue of Chinese local people was determined by IHC. Patients corresponding to tumor specimens were flowed up by telephone call to get their prognostic data and analyzed by using SPSS 19.0 statistic package. In vitro mechanistic investigation was demonstrated by QT-qPCR, Western Blot, Plasmid transfection to establishment of high/low TN-C-expression stable cell line, Boyden Chamber Assay, BrdU incorporation, Wound Healing, laser scanning confocal microscopy (LSCM) and ELISA. Results TN-C expression in BCa tissue increases with tumor grade and is an independent risk factor for BCa patient. The in vitro investigation suggested that TN-C enhances BCa cell migration, invasion, proliferation and contributes to the elevated expression of EMT-related markers by activating NF-κB signaling, the mechanism of which involving in syndecan-4. Conclusions Expression of TN-C in BCa tissues of Chinese local people is increased according to tumor grade and is an independent risk factor. TN-C mediates BCa cell malignant behavior via syndecan-4 and NF-κB signaling. Although the mechanisms through which syndecan-4 is associated with the activation of NF-κB signaling are unclear, the data presented herein provide a foundation for future investigations into the role of TN-C in BCa progression. Supplementary Information The online version contains supplementary material available at 10.1186/s12885-022-09285-x.
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Affiliation(s)
- Zhenfeng Guan
- Department of Urology, Shaanxi Provincial People's Hospital, Xi'an, 710068, China.,Department of Urology, The First Affiliated Hospital of Xi'an Jiaotong University, 277 Yanta West Road, Xi'an, 710061, People's Republic of China
| | - Yi Sun
- Department of Urology, Shaanxi Provincial People's Hospital, Xi'an, 710068, China
| | - Liang Mu
- Department of B ultrasound, Shaanxi Provincial People's Hospital, Xi'an, 710068, China
| | - Yazhuo Jiang
- Department of Urology, Shaanxi Provincial People's Hospital, Xi'an, 710068, China
| | - Jinhai Fan
- Department of Urology, The First Affiliated Hospital of Xi'an Jiaotong University, 277 Yanta West Road, Xi'an, 710061, People's Republic of China.
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7
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Mi J, Xu J, Zhou J, Zhao W, Chen Z, Melenhorst JJ, Chen S. CAR T-cell immunotherapy: a powerful weapon for fighting hematological B-cell malignancies. Front Med 2021; 15:783-804. [DOI: 10.1007/s11684-021-0904-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2021] [Accepted: 11/16/2021] [Indexed: 12/12/2022]
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8
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Khalife J, Sanchez JF, Pichiorri F. The Emerging Role of Extracellular Vesicle-Associated RNAs in the Multiple Myeloma Microenvironment. Front Oncol 2021; 11:689538. [PMID: 34235082 PMCID: PMC8255802 DOI: 10.3389/fonc.2021.689538] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Accepted: 05/13/2021] [Indexed: 02/06/2023] Open
Abstract
Multiple myeloma (MM) is a cancer of terminally differentiated plasma cells (PCs) that develop at multiple sites within the bone marrow (BM). MM is treatable but rarely curable because of the frequent emergence of drug resistance and relapse. Increasing evidence indicates that the BM microenvironment plays a major role in supporting MM-PC survival and resistance to therapy. The BM microenvironment is a complex milieu containing hematopoietic cells, stromal cells, endothelial cells, immune cells, osteoclasts and osteoblasts, all contributing to the pathobiology of MM, including PC proliferation, escape from immune surveillance, angiogenesis and bone disease development. Small extracellular vesicles (EVs) are heterogenous lipid structures released by all cell types and mediate local and distal cellular communication. In MM, EVs are key mediators of the cross-talk between PCs and the surrounding microenvironment because of their ability to deliver bioactive cargo molecules such as lipids, mRNAs, non-coding regulatory RNA and proteins. Hence, MM-EVs highly contribute to establish a tumor-supportive BM niche that impacts MM pathogenesis and disease progression. In this review, we will first highlight the effects of RNA-containing, MM-derived EVs on the several cellular compartments within the BM microenvironment that play a role in the different aspects of MM pathology. We will also touch on the prospective use of MM-EV-associated non-coding RNAs as clinical biomarkers in the context of “liquid biopsy” in light of their importance as a promising tool in MM diagnosis, prognosis and prediction of drug resistance.
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Affiliation(s)
- Jihane Khalife
- Judy and Bernard Briskin Center for Multiple Myeloma Research, City of Hope, Duarte, CA, United States.,Department of Hematologic Malignancies Translational Science, City of Hope, Duarte, CA, United States
| | - James F Sanchez
- Judy and Bernard Briskin Center for Multiple Myeloma Research, City of Hope, Duarte, CA, United States
| | - Flavia Pichiorri
- Judy and Bernard Briskin Center for Multiple Myeloma Research, City of Hope, Duarte, CA, United States.,Department of Hematologic Malignancies Translational Science, City of Hope, Duarte, CA, United States
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9
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Wang H, Liu H, Sun C, Liu C, Jiang T, Yin Y, Xu A, Pang Z, Zhang B, Hu Y. Nanoparticles Dual Targeting Both Myeloma Cells and Cancer-Associated Fibroblasts Simultaneously to Improve Multiple Myeloma Treatment. Pharmaceutics 2021; 13:pharmaceutics13020274. [PMID: 33670464 PMCID: PMC7922689 DOI: 10.3390/pharmaceutics13020274] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2020] [Revised: 01/24/2021] [Accepted: 02/10/2021] [Indexed: 12/13/2022] Open
Abstract
Cancer-associated fibroblasts (CAFs) and myeloma cells could mutually drive myeloma progression, indicating that drug delivery to kill both CAFs and myeloma cells simultaneously could achieve better therapeutic benefits than to kill each cell type alone. Here, we designed a dual-targeting drug delivery system by conjugating paclitaxel (PTX)-loaded poly(ethylene glycol)-poly(lactic acid) nanoparticles (NPs) with a cyclic peptide (CNPs-PTX) with a special affinity with platelet-derived growth factor/platelet-derived growth factor receptor (PDGFR-β) overexpressed on both CAFs and myeloma cells. Cellular uptake experiments revealed that the cyclic peptide modification on CNPs could significantly enhance CNPs uptake by both CAFs and myeloma cells compared with unmodified NPs. Cytotoxicity tests showed that CNPs-PTX was more toxic to both CAFs and myeloma cells compared with its counterpart PTX-loaded conventional NPs (NPs-PTX). In vivo imaging and biodistribution experiments showed that CNPs could abundantly accumulate in tumors and were highly co-localized with CAFs and myeloma cells. The in vivo anti-tumor experiments confirmed that the anti-myeloma efficacy of CNPs-PTX was significantly stronger than that of NPs-PTX and free drugs. In summary, it is the first time that a dual-targeting strategy was utilized in the field of myeloma treatment through targeting both CAFs and myeloma cells simultaneously, which harbors a high potential of clinical translation for myeloma treatment.
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Affiliation(s)
- Honglan Wang
- Institute of Hematology, Union Hospital, Tongji Medical College, Huazhong University of Science & Technology, Wuhan 430022, China; (H.W.); (H.L.); (C.S.); (T.J.); (Y.Y.); (A.X.)
| | - Huiwen Liu
- Institute of Hematology, Union Hospital, Tongji Medical College, Huazhong University of Science & Technology, Wuhan 430022, China; (H.W.); (H.L.); (C.S.); (T.J.); (Y.Y.); (A.X.)
| | - Chunyan Sun
- Institute of Hematology, Union Hospital, Tongji Medical College, Huazhong University of Science & Technology, Wuhan 430022, China; (H.W.); (H.L.); (C.S.); (T.J.); (Y.Y.); (A.X.)
| | - Chunying Liu
- Key Laboratory of Smart Drug Delivery, Ministry of Education, School of Pharmacy, Fudan University, 826 Zhangheng Road, Shanghai 201203, China;
| | - Ting Jiang
- Institute of Hematology, Union Hospital, Tongji Medical College, Huazhong University of Science & Technology, Wuhan 430022, China; (H.W.); (H.L.); (C.S.); (T.J.); (Y.Y.); (A.X.)
| | - Yanxue Yin
- Institute of Hematology, Union Hospital, Tongji Medical College, Huazhong University of Science & Technology, Wuhan 430022, China; (H.W.); (H.L.); (C.S.); (T.J.); (Y.Y.); (A.X.)
| | - Aoshuang Xu
- Institute of Hematology, Union Hospital, Tongji Medical College, Huazhong University of Science & Technology, Wuhan 430022, China; (H.W.); (H.L.); (C.S.); (T.J.); (Y.Y.); (A.X.)
| | - Zhiqing Pang
- Key Laboratory of Smart Drug Delivery, Ministry of Education, School of Pharmacy, Fudan University, 826 Zhangheng Road, Shanghai 201203, China;
- Correspondence: (Z.P.); (B.Z.); (Y.H.); Tel.: +86-21-51980069 (Z.P.); +86-27-85726007 (B.Z.); +86-27-85726335 (Y.H.); Fax: +86-21-51980069 (Z.P.); +86-27-85726387 (B.Z.); +86-27-85776343 (Y.H.)
| | - Bo Zhang
- Institute of Hematology, Union Hospital, Tongji Medical College, Huazhong University of Science & Technology, Wuhan 430022, China; (H.W.); (H.L.); (C.S.); (T.J.); (Y.Y.); (A.X.)
- Correspondence: (Z.P.); (B.Z.); (Y.H.); Tel.: +86-21-51980069 (Z.P.); +86-27-85726007 (B.Z.); +86-27-85726335 (Y.H.); Fax: +86-21-51980069 (Z.P.); +86-27-85726387 (B.Z.); +86-27-85776343 (Y.H.)
| | - Yu Hu
- Institute of Hematology, Union Hospital, Tongji Medical College, Huazhong University of Science & Technology, Wuhan 430022, China; (H.W.); (H.L.); (C.S.); (T.J.); (Y.Y.); (A.X.)
- Correspondence: (Z.P.); (B.Z.); (Y.H.); Tel.: +86-21-51980069 (Z.P.); +86-27-85726007 (B.Z.); +86-27-85726335 (Y.H.); Fax: +86-21-51980069 (Z.P.); +86-27-85726387 (B.Z.); +86-27-85776343 (Y.H.)
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10
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Morris EV, Edwards CM. Morphogens and growth factor signalling in the myeloma bone-lining niche. Cell Mol Life Sci 2021; 78:4085-4093. [PMID: 33570672 PMCID: PMC8164571 DOI: 10.1007/s00018-021-03767-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2020] [Revised: 01/07/2021] [Accepted: 01/16/2021] [Indexed: 12/11/2022]
Abstract
Multiple myeloma is a malignancy caused by the clonal expansion of abnormal plasma cells. Myeloma cells have proven to be incredibly successful at manipulating their microenvironment to promote growth and to evade modern therapies. They have evolved to utilise the integral signalling pathways of the bone and bone marrow to drive disease progression. The bone marrow is often described in the context of a single structure that fills the bone cavity and supports normal haematopoiesis. However, within that structure exists two anatomically different niches, the perivascular niche and the endosteal niche. These contain different cell types functioning to support normal immune and blood cell production as well as healthy bone. These cells secrete numerous signalling molecules that can influence myeloma cell biology and behaviour. The endosteal niche is home to specific bone cell lineages and plays a pivotal role in myeloma cell establishment and survival. This review will concentrate on some of the signalling pathways that are hijacked by myeloma cells to shape a favourable environment, and the different influences myeloma cells are exposed to depending on their spatial location within the bone marrow.
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Affiliation(s)
- Emma V Morris
- Nuffield Department of Surgical Sciences, University of Oxford, Oxford, UK
| | - Claire M Edwards
- Nuffield Department of Surgical Sciences, University of Oxford, Oxford, UK. .,Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, Botnar Research Centre, University of Oxford, Old Road, Oxford, OX3 7LD, UK.
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11
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Palano MT, Giannandrea D, Platonova N, Gaudenzi G, Falleni M, Tosi D, Lesma E, Citro V, Colombo M, Saltarella I, Ria R, Amodio N, Taiana E, Neri A, Vitale G, Chiaramonte R. Jagged Ligands Enhance the Pro-Angiogenic Activity of Multiple Myeloma Cells. Cancers (Basel) 2020; 12:cancers12092600. [PMID: 32932949 PMCID: PMC7565520 DOI: 10.3390/cancers12092600] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2020] [Revised: 09/05/2020] [Accepted: 09/09/2020] [Indexed: 12/27/2022] Open
Abstract
Simple Summary The Jagged family of ligands are aberrantly expressed during multiple myeloma progression and contributes to activate Notch signaling both in myeloma cells and in the nearby bone marrow cell populations activating several pro-tumor effects. This work elucidates, in vitro, in vivo as well as in patients’ bone marrow biopsies, different mechanisms by which tumor cell-derived Jagged1 and 2 contribute to myeloma-associated angiogenesis. These include the ability to induce myeloma and bone marrow stromal cell secretion of VEGF along with a direct activation of the pro-angiogenic Notch signaling pathway in endothelial cells. This research provides a rational for a Jagged-directed therapy in multiple myeloma. Abstract Multiple myeloma (MM) is an incurable plasma cell malignancy arising primarily within the bone marrow (BM). During MM progression, different modifications occur in the tumor cells and BM microenvironment, including the angiogenic shift characterized by the increased capability of endothelial cells to organize a network, migrate and express angiogenic factors, including vascular endothelial growth factor (VEGF). Here, we studied the functional outcome of the dysregulation of Notch ligands, Jagged1 and Jagged2, occurring during disease progression, on the angiogenic potential of MM cells and BM stromal cells (BMSCs). Jagged1–2 expression was modulated by RNA interference or soluble peptide administration, and the effects on the MM cell lines’ ability to induce human pulmonary artery cells (HPAECs) angiogenesis or to indirectly increase the BMSC angiogenic potential was analyzed in vitro; in vivo validation was performed on a zebrafish model and MM patients’ BM biopsies. Overall, our results indicate that the MM-derived Jagged ligands (1) increase the tumor cell angiogenic potential by directly triggering Notch activation in the HPAECs or stimulating the release of angiogenic factors, i.e., VEGF; and (2) stimulate the BMSCs to promote angiogenesis through VEGF secretion. The observed pro-angiogenic effect of Notch activation in the BM during MM progression provides further evidence of the potential of a therapy targeting the Jagged ligands.
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Affiliation(s)
- Maria Teresa Palano
- Department of Health Sciences, Università degli Studi di Milano, 20142 Milano, Italy; (M.T.P.); (D.G.); (N.P.); (M.F.); (D.T.); (E.L.); (V.C.); (M.C.)
| | - Domenica Giannandrea
- Department of Health Sciences, Università degli Studi di Milano, 20142 Milano, Italy; (M.T.P.); (D.G.); (N.P.); (M.F.); (D.T.); (E.L.); (V.C.); (M.C.)
| | - Natalia Platonova
- Department of Health Sciences, Università degli Studi di Milano, 20142 Milano, Italy; (M.T.P.); (D.G.); (N.P.); (M.F.); (D.T.); (E.L.); (V.C.); (M.C.)
| | - Germano Gaudenzi
- Istituto Auxologico Italiano, IRCCS, Laboratory of Geriatric and Oncologic Neuroendocrinology Research, 20095 Cusano Milanino, Italy; (G.G.); (G.V.)
| | - Monica Falleni
- Department of Health Sciences, Università degli Studi di Milano, 20142 Milano, Italy; (M.T.P.); (D.G.); (N.P.); (M.F.); (D.T.); (E.L.); (V.C.); (M.C.)
| | - Delfina Tosi
- Department of Health Sciences, Università degli Studi di Milano, 20142 Milano, Italy; (M.T.P.); (D.G.); (N.P.); (M.F.); (D.T.); (E.L.); (V.C.); (M.C.)
| | - Elena Lesma
- Department of Health Sciences, Università degli Studi di Milano, 20142 Milano, Italy; (M.T.P.); (D.G.); (N.P.); (M.F.); (D.T.); (E.L.); (V.C.); (M.C.)
| | - Valentina Citro
- Department of Health Sciences, Università degli Studi di Milano, 20142 Milano, Italy; (M.T.P.); (D.G.); (N.P.); (M.F.); (D.T.); (E.L.); (V.C.); (M.C.)
| | - Michela Colombo
- Department of Health Sciences, Università degli Studi di Milano, 20142 Milano, Italy; (M.T.P.); (D.G.); (N.P.); (M.F.); (D.T.); (E.L.); (V.C.); (M.C.)
| | - Ilaria Saltarella
- Department of Biomedical Sciences and Human Oncology, Unit of Internal Medicine and Clinical Oncology, University of Bari Medical School, 70124 Bari, Italy; (I.S.); (R.R.)
| | - Roberto Ria
- Department of Biomedical Sciences and Human Oncology, Unit of Internal Medicine and Clinical Oncology, University of Bari Medical School, 70124 Bari, Italy; (I.S.); (R.R.)
| | - Nicola Amodio
- Department of Experimental and Clinical Medicine, Magna Graecia University of Catanzaro, 88100 Catanzaro, Italy;
| | - Elisa Taiana
- Department of Oncology and Hemato-Oncology, University of Milano. Hematology, Fondazione Ca’ Granda IRCCS Policlinico, 20122 Milano, Italy; (E.T.); (A.N.)
| | - Antonino Neri
- Department of Oncology and Hemato-Oncology, University of Milano. Hematology, Fondazione Ca’ Granda IRCCS Policlinico, 20122 Milano, Italy; (E.T.); (A.N.)
| | - Giovanni Vitale
- Istituto Auxologico Italiano, IRCCS, Laboratory of Geriatric and Oncologic Neuroendocrinology Research, 20095 Cusano Milanino, Italy; (G.G.); (G.V.)
- Department of Clinical Sciences and Community Health (DISCCO), University of Milan, 20122 Milan, Italy
| | - Raffaella Chiaramonte
- Department of Health Sciences, Università degli Studi di Milano, 20142 Milano, Italy; (M.T.P.); (D.G.); (N.P.); (M.F.); (D.T.); (E.L.); (V.C.); (M.C.)
- Correspondence: ; Tel.: +39-02-50323249
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12
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Paul B, Zhao Y, Loitsch G, Feinberg D, Mathews P, Barak I, Dupuis M, Li Z, Rein L, Wang E, Kang Y. The impact of bone marrow fibrosis and JAK2 expression on clinical outcomes in patients with newly diagnosed multiple myeloma treated with immunomodulatory agents and/or proteasome inhibitors. Cancer Med 2020; 9:5869-5880. [PMID: 32628819 PMCID: PMC7433821 DOI: 10.1002/cam4.3265] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2020] [Revised: 06/09/2020] [Accepted: 06/10/2020] [Indexed: 01/11/2023] Open
Abstract
We determined the impact of bone marrow fibrosis (BMF) on the clinical outcomes of newly diagnosed multiple myeloma (NDMM) patients in the current era of myeloma therapy. A total of 393 MM patients were included in the final analysis. The median followup was 83 months (range: 3.9 to 212 months). BMF was noted in 122 (48.2%) evaluable patients. Median progression free survival (PFS) in patients without BMF was 30.2 (95% CI: 24.7-38.0) months, and 21.1 (95% CI: 18.8-27.5) months in patients with BMF present (P = .024). Median overall survival (OS) was 61.2 (95% CI: 51.5-81.2) months in patients without BMF, and 45.1 (95% CI: 38.7-57.0) months in patients with BMF (P = .0048). A subset of 99 patients had their bone marrow biopsies stained for JAK1 and JAK2 by immunohistochemistry. Of these samples 67 (67.7%) patients had detectable JAK2 expression predominantly noted on bone marrow megakaryocytes. JAK2 expression correlated with myeloma disease stage (P = .0071). Our study represents the largest dataset to date examining the association of BMF with prognosis in the era of novel therapies and widespread use of hematopoietic stem cell transplant (HSCT). Our data suggest that MM patients with BMF (particularly those with extensive BMF) have a poorer prognosis even when treated with immunomodulatory agents and proteasome inhibitors.
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Affiliation(s)
- Barry Paul
- Division of Hematologic Malignancies and Cellular Therapy, Duke University Medical Center, Durham, NC, USA
| | - Yue Zhao
- Department of Pathology, Duke University Medical Center, Durham, NC, USA
| | - Gavin Loitsch
- Division of Hematologic Malignancies and Cellular Therapy, Duke University Medical Center, Durham, NC, USA
| | - Daniel Feinberg
- Division of Hematologic Malignancies and Cellular Therapy, Duke University Medical Center, Durham, NC, USA
| | - Parker Mathews
- Division of Hematologic Malignancies and Cellular Therapy, Duke University Medical Center, Durham, NC, USA
| | - Ian Barak
- Biostatistics Shared Resource, Duke Cancer Institute, Duke University Medical Center, Durham, NC, USA
| | - Megan Dupuis
- Hematology/Oncology Fellowship Program, MD Anderson Cancer Center, University of Texas, Houston, TX, USA
| | - Zhiguo Li
- Biostatistics Shared Resource, Duke Cancer Institute, Duke University Medical Center, Durham, NC, USA
| | - Lindsay Rein
- Division of Hematologic Malignancies and Cellular Therapy, Duke University Medical Center, Durham, NC, USA
| | - Endi Wang
- Department of Pathology, Duke University Medical Center, Durham, NC, USA
| | - Yubin Kang
- Division of Hematologic Malignancies and Cellular Therapy, Duke University Medical Center, Durham, NC, USA
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13
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Ria R, Vacca A. Bone Marrow Stromal Cells-Induced Drug Resistance in Multiple Myeloma. Int J Mol Sci 2020; 21:ijms21020613. [PMID: 31963513 PMCID: PMC7013615 DOI: 10.3390/ijms21020613] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2019] [Revised: 01/12/2020] [Accepted: 01/14/2020] [Indexed: 01/06/2023] Open
Abstract
Multiple myeloma is a B-cell lineage cancer in which neoplastic plasma cells expand in the bone marrow and pathophysiological interactions with components of microenvironment influence many biological aspects of the malignant phenotype, including apoptosis, survival, proliferation, and invasion. Despite the therapeutic progress achieved in the last two decades with the introduction of a more effective and safe new class of drugs (i.e., immunomodulators, proteasome inhibitors, monoclonal antibodies), there is improvement in patient survival, and multiple myeloma (MM) remains a non-curable disease. The bone marrow microenvironment is a complex structure composed of cells, extracellular matrix (ECM) proteins, and cytokines, in which tumor plasma cells home and expand. The role of the bone marrow (BM) microenvironment is fundamental during MM disease progression because modification induced by tumor plasma cells is crucial for composing a "permissive" environment that supports MM plasma cells proliferation, migration, survival, and drug resistance. The "activated phenotype" of the microenvironment of multiple myeloma is functional to plasma cell proliferation and spreading and to plasma cell drug resistance. Plasma cell drug resistance induced by bone marrow stromal cells is mediated by stress-managing pathways, autophagy, transcriptional rewiring, and non-coding RNAs dysregulation. These processes represent novel targets for the ever-increasing anti-MM therapeutic armamentarium.
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Affiliation(s)
- Roberto Ria
- Correspondence: ; Tel.: +39-080-559-31-06; Fax: +39-080-559-38-04
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14
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Bai J, Yang Y, Wang J, Zhang L, Wang F, He A. Variability of serum novel serum peptide biomarkers correlates with the disease states of multiple myeloma. Clin Proteomics 2019; 16:17. [PMID: 31043929 PMCID: PMC6477722 DOI: 10.1186/s12014-019-9238-0] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2018] [Accepted: 04/12/2019] [Indexed: 11/10/2022] Open
Abstract
Background The bone marrow microenvironment provides an optimal substrate for multiple myeloma (MM) initiation and progression. The soluble component of MM niche is dynamic with the disease states of MM. We formerly employed proteomic profiling to construct a MM model. Four peptides constituting the model were selected by supervised neural network algorithm (SNN). Methods 62 Newly diagnosed (ND) MM and 64 healthy controls (HCs) were picked up for validating the distinguishing capability of the SNN model. Nano-liquid chromatography-electrospray ionization-tandem mass spectrometry was used for peptide identification. MM in different disease states and HCs were choosed for peptides relative intensities comparison. Western blot and ELISA were employed to validate the variability. Results The sensitivity and specificity of the independent testing data set for blind validation were 93.55% and 92.19%. The relative intensities of three out of the four peptides were increased in ND and refractory and relapse patients but decreased to that level of HCs in complete remission and very good partial remission patients. Relative intensity of the remaining peptide was negatively associated with MM remission. The peptides sequencing results showed that they were derived from dihydropyrimidinase-like 2, fibrinogen alpha chain, platelet factor 4 and alpha-fetoprotein. Conclusions The potential value of the four peptides in monitoring MM treatment response was arised from their close correlation with MM disease states.
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Affiliation(s)
- Ju Bai
- 1Department of Hematology, Second Affiliated Hospital, Medical School of Xi'an Jiaotong University, 157 Xiwu Road, Xincheng District, Xi'an, 710004 Shaanxi Province China
| | - Yun Yang
- 1Department of Hematology, Second Affiliated Hospital, Medical School of Xi'an Jiaotong University, 157 Xiwu Road, Xincheng District, Xi'an, 710004 Shaanxi Province China
| | - Jianli Wang
- 1Department of Hematology, Second Affiliated Hospital, Medical School of Xi'an Jiaotong University, 157 Xiwu Road, Xincheng District, Xi'an, 710004 Shaanxi Province China
| | - Lei Zhang
- 2Department of Clinical Lab, Second Affiliated Hospital, Xi'an Jiaotong University, 157 Xiwu Road, Xi'an, 710004 Shaanxi China
| | - Fangxia Wang
- 1Department of Hematology, Second Affiliated Hospital, Medical School of Xi'an Jiaotong University, 157 Xiwu Road, Xincheng District, Xi'an, 710004 Shaanxi Province China
| | - Aili He
- 1Department of Hematology, Second Affiliated Hospital, Medical School of Xi'an Jiaotong University, 157 Xiwu Road, Xincheng District, Xi'an, 710004 Shaanxi Province China
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15
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Dendritic cells in inflammatory angiogenesis and lymphangiogenesis. Curr Opin Immunol 2018; 53:180-186. [PMID: 29879585 DOI: 10.1016/j.coi.2018.05.011] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2018] [Revised: 05/15/2018] [Accepted: 05/17/2018] [Indexed: 12/14/2022]
Abstract
Lymph node (LN) expansion during inflammation is essential to establish immune responses and relies on the development of blood and lymph vessels. Human dendritic cells (DCs), subdivided into two main subsets, namely conventional DCs (cDCs) and plasmacytoid DCs (pDCs), are professional antigen presenting cells endowed with the capability to produce soluble mediators regulating inflammation and tissue repair. cDCs support angiogenesis in secondary LNs both directly and indirectly through the secretion of vascular endothelial growth factor-A (VEGF)-A and VEGF-C and the production of several other mediators endowed with angiogenic properties. Finally, cDCs can affect neovascular formation via a transdifferentiation process. At variance with cDCs, the angiogenic properties of pDCs still remain poorly explored.
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16
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Braham MV, Ahlfeld T, Akkineni AR, Minnema MC, Dhert WJ, Öner FC, Robin C, Lode A, Gelinsky M, Alblas J. Endosteal and Perivascular Subniches in a 3D Bone Marrow Model for Multiple Myeloma. Tissue Eng Part C Methods 2018; 24:300-312. [DOI: 10.1089/ten.tec.2017.0467] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Affiliation(s)
- Maaike V.J. Braham
- Department of Orthopaedics, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Tilman Ahlfeld
- Centre for Translational Bone, Joint and Soft Tissue Research, University Hospital Carl Gustav Carus, Dresden, Germany
- Faculty of Medicine, Technische Universität Dresden, Dresden, Germany
| | - A. Rahul Akkineni
- Centre for Translational Bone, Joint and Soft Tissue Research, University Hospital Carl Gustav Carus, Dresden, Germany
- Faculty of Medicine, Technische Universität Dresden, Dresden, Germany
| | - Monique C. Minnema
- Department of Hematology, University Medical Center Utrecht Cancer Center, Utrecht, The Netherlands
| | - Wouter J.A. Dhert
- Department of Orthopaedics, University Medical Center Utrecht, Utrecht, The Netherlands
- Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands
| | - F. Cumhur Öner
- Department of Orthopaedics, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Catherine Robin
- Hubrecht Institute-KNAW & University Medical Center Utrecht, Utrecht, The Netherlands
- Department of Cell Biology, University Medical Center, Utrecht, The Netherlands
| | - Anja Lode
- Centre for Translational Bone, Joint and Soft Tissue Research, University Hospital Carl Gustav Carus, Dresden, Germany
| | - Michael Gelinsky
- Centre for Translational Bone, Joint and Soft Tissue Research, University Hospital Carl Gustav Carus, Dresden, Germany
- Faculty of Medicine, Technische Universität Dresden, Dresden, Germany
| | - Jacqueline Alblas
- Department of Orthopaedics, University Medical Center Utrecht, Utrecht, The Netherlands
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17
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Dondero A, Casu B, Bellora F, Vacca A, De Luisi A, Frassanito MA, Cantoni C, Gaggero S, Olive D, Moretta A, Bottino C, Castriconi R. NK cells and multiple myeloma-associated endothelial cells: molecular interactions and influence of IL-27. Oncotarget 2018; 8:35088-35102. [PMID: 28456791 PMCID: PMC5471037 DOI: 10.18632/oncotarget.17070] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2016] [Accepted: 03/27/2017] [Indexed: 12/16/2022] Open
Abstract
Angiogenesis represents a hallmark of tumor progression in Multiple Myeloma (MM), a still incurable malignancy. Here we analyzed the activity of cytokine-stimulated NK cells against tumor-associated endothelial cells isolated from bone marrow aspirates of MM patients with active disease (MMECs). We show that NK cells activated with optimal doses of IL-15 killed MMECs thanks to the concerted action of multiple activating receptors. In particular, according to the high expression of PVR and Nectin-2 on MMECs, DNAM-1 actively participated in target recognition. Interestingly, in MMECs the surface density of PVR was significantly higher than that detected in endothelium from patients with MM in complete remission or with monoclonal gammopathy of undetermined significance (MGUS). Importantly, IL-27, which unlike IL-15 does not display pro-angiogenic properties, maintained or increased the NK cell functions induced by suboptimal concentrations of IL-15. NK cell properties included killing of MMECs, IFN-γ production as well as a peculiar increase of NKp46 expression on NK cell surface. Finally, IL-27 showed a striking capability of up-regulating the expression of PD-L2 and HLA-I on tumor endothelium, whereas it did not modify that of PD-L1 and HLA-II. Our results suggest that cytokine-activated endogenous or adoptively transferred NK cells might support conventional therapies improving the outcome of MM patients.
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Affiliation(s)
- Alessandra Dondero
- Department of Experimental Medicine (DIMES), University of Genova, 16132 Genova, Italy
| | - Beatrice Casu
- Department of Experimental Medicine (DIMES), University of Genova, 16132 Genova, Italy
| | - Francesca Bellora
- Department of Experimental Medicine (DIMES), University of Genova, 16132 Genova, Italy
| | - Angelo Vacca
- Department of Biomedical Sciences and Human Oncology, University of Bari, 70124 Bari, Italy
| | - Annunziata De Luisi
- Department of Biomedical Sciences and Human Oncology, University of Bari, 70124 Bari, Italy
| | | | - Claudia Cantoni
- Department of Experimental Medicine (DIMES), University of Genova, 16132 Genova, Italy.,Istituto Giannina Gaslini, 16147 Genova, Italy.,Center of Excellence for Biomedical Research (CEBR), University of Genova, 16132 Genova, Italy
| | - Silvia Gaggero
- Department of Experimental Medicine (DIMES), University of Genova, 16132 Genova, Italy
| | - Daniel Olive
- U1068, CRCM, Immunity and Cancer, INSERM, 13009 Marseille, France
| | - Alessandro Moretta
- Department of Experimental Medicine (DIMES), University of Genova, 16132 Genova, Italy
| | - Cristina Bottino
- Department of Experimental Medicine (DIMES), University of Genova, 16132 Genova, Italy.,Istituto Giannina Gaslini, 16147 Genova, Italy
| | - Roberta Castriconi
- Department of Experimental Medicine (DIMES), University of Genova, 16132 Genova, Italy.,Center of Excellence for Biomedical Research (CEBR), University of Genova, 16132 Genova, Italy
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18
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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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19
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Gene expression profiling of normal thyroid tissue from patients with thyroid carcinoma. Oncotarget 2018; 7:29677-88. [PMID: 27105534 PMCID: PMC5045425 DOI: 10.18632/oncotarget.8820] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2015] [Accepted: 03/28/2016] [Indexed: 12/21/2022] Open
Abstract
Gene expression profiling (GEP) of normal thyroid tissue from 43 patients with thyroid carcinoma, 6 with thyroid adenoma, 42 with multinodular goiter, and 6 with Graves-Basedow disease was carried out with the aim of achieving a better understanding of the genetic mechanisms underlying the role of normal cells surrounding the tumor in the thyroid cancer progression. Unsupervised and supervised analyses were performed to compare samples from neoplastic and non-neoplastic diseases. GEP and subsequent RT-PCR analysis identified 28 differentially expressed genes. Functional assessment revealed that they are involved in tumorigenesis and cancer progression. The distinct GEP is likely to reflect the onset and/or progression of thyroid cancer, its molecular classification, and the identification of new potential prognostic factors, thus allowing to pinpoint selective gene targets with the aim of realizing more precise preoperative diagnostic procedures and novel therapeutic approaches.
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20
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Hari P, Mateos MV, Abonour R, Knop S, Bensinger W, Ludwig H, Song K, Hajek R, Moreau P, Siegel DS, Feng S, Obreja M, Aggarwal SK, Iskander K, Goldschmidt H. Efficacy and safety of carfilzomib regimens in multiple myeloma patients relapsing after autologous stem cell transplant: ASPIRE and ENDEAVOR outcomes. Leukemia 2017; 31:2630-2641. [PMID: 28439109 PMCID: PMC5729352 DOI: 10.1038/leu.2017.122] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2016] [Revised: 03/09/2017] [Accepted: 04/03/2017] [Indexed: 01/12/2023]
Abstract
Autologous stem cell transplantation (ASCT) is a standard treatment for eligible multiple myeloma (MM) patients, but many patients will relapse after ASCT and require subsequent therapy. The proteasome inhibitor carfilzomib is approved for relapsed or refractory MM (RRMM). In phase 3 trials, carfilzomib-based regimens (ASPIRE, carfilzomib-lenalidomide-dexamethasone; ENDEAVOR, carfilzomib-dexamethasone) demonstrated superior progression-free survival (PFS) compared with standard therapies for RRMM (ASPIRE: lenalidomide-dexamethasone; ENDEAVOR, bortezomib-dexamethasone). This subgroup analysis of ASPIRE and ENDEAVOR evaluated outcomes according to prior ASCT status. In total, 446 patients in ASPIRE and 538 in ENDEAVOR had prior ASCT. Median PFS was longer for carfilzomib-based regimens vs non-carfilzomib-based regimens for patients with prior ASCT (ASPIRE: 26.3 vs 17.8 months (hazard ratio (HR)=0.68); ENDEAVOR: not estimable vs 10.2 months (HR=0.61)), those with one prior line of therapy that included ASCT (ASPIRE: 29.7 vs 17.8 months (HR=0.70); ENDEAVOR: not estimable vs 11.2 months (HR=0.46)), and those without prior ASCT (ASPIRE: 26.4 vs 16.6 months (HR=0.76); ENDEAVOR: 17.7 vs 8.5 months (HR=0.43)). Overall response rates also favored the carfilzomib-based regimens. No new safety signals were detected. This analysis suggests that carfilzomib-based treatment may lead to improvement in PFS and response rates regardless of prior transplant status. Further evaluation is warranted.
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Affiliation(s)
- P Hari
- Medical College of Wisconsin, Milwaukee, WI, USA
| | - M-V Mateos
- Hematology, Hospital Clinico Universitario de Salamanca-IBSAL, Salamanca, Spain
| | - R Abonour
- Indiana University Simon Cancer Center, Indianapolis, IN, USA
| | - S Knop
- Medizinische Klinik der Universitat Wurzburg, Wurzburg, Germany
| | - W Bensinger
- Fred Hutchinson Cancer Research Center, Seattle, WA, USA
| | - H Ludwig
- Leukemia/Bone Marrow Transplant Program of British Columbia, Vancouver, British Columbia, Canada
| | - K Song
- University Hospital Ostrava and Faculty of Medicine, University of Ostrava, Ostrava, Czech Republic
| | - R Hajek
- University Hospital Ostrava and Faculty of Medicine, University of Ostrava, Ostrava, Czech Republic
| | - P Moreau
- Department of Hematology, University of Nantes, Nantes, France
| | - D S Siegel
- John Theurer Cancer Center at Hackensack University, Hackensack, NJ, USA
| | - S Feng
- Amgen Inc., Thousand Oaks, CA, USA
| | - M Obreja
- Amgen Inc., Thousand Oaks, CA, USA
| | | | | | - H Goldschmidt
- Universitatsklinikum Heidelberg, Heidelberg, Germany
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21
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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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22
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Mansurabadi R, Abroun S, Hajifathali A, Asri A, Atashi A, Haghighi M. Expression of hsa-MIR-204, RUNX2, PPARγ, and BCL2 in Bone Marrow Derived Mesenchymal Stem Cells from Multiple Myeloma Patients and Normal Individuals. CELL JOURNAL 2017; 19:27-36. [PMID: 28580305 PMCID: PMC5448321 DOI: 10.22074/cellj.2017.4480] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/25/2016] [Accepted: 01/02/2017] [Indexed: 01/10/2023]
Abstract
Objective Multiple Myeloma (MM) is a heterogeneous cytogenetic disorder in which
clonal plasma cells proliferate in the bone marrow (BM) and cause bone destruction. The
BM microenvironment plays a crucial role in pathogenesis of this disease, and mesenchymal
stem cells (MSCs) are one of the key players. Herein, we propose to investigate
the expressions of hsa-MIR-204, runt-related transcription factor 2 (RUNX2), peroxisome
proliferator-activated receptor gamma (PPARγ), and B-cell lymphoma 2 (BCL2) as factors
involved in osteogenesis, adipogenesis, and MSC survival in BM-MSCs from MM patients
and normal individuals.
Materials and Methods In this experimental study, we isolated MSCs from BM aspirates
of MM patients and healthy donors. Total RNA were extracted before and after co-culture
with L363 myeloma cells. Gene expressions of RUNX2, PPARγ, BCL2, and hsa-MIR-204
were assessed by quantitive real time polymerase chain reaction (qRT-PCR).
Results Higher levels of RUNX2, PPARγ, and hsa-MIR-204 expressions existed in MM-
MSCs compared to normally derived (ND)-MSCs. BCL2 expression decreased in MM-
MSCs. We observed different results in the co-culture model.
Conclusion In general, the MM-MSCs gene expression profile differed compared to ND-
MSCs. Upregulation of RUNX2, PPARγ, and hsa-MIR-204 in MM-MSCs compared to ND-
MSCs would result in formation of bone defects. Downregulation of BCL2 would lead to
MM-MSC cell death.
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Affiliation(s)
- Raziyeh Mansurabadi
- Department of Hematology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | - Saeid Abroun
- Department of Hematology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | - Abass Hajifathali
- Bone Marrow Transplantation Center, Taleghani Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Amir Asri
- Department of Hematology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | - Amir Atashi
- Department of Hematology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | - Mansoureh Haghighi
- Department of Clinical Biochemistry, Faculty of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences, Iran
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Laganà AS, Giordano D, Loddo S, Zoccali G, Vitale SG, Santamaria A, Buemi M, D'Anna R. Decreased Endothelial Progenitor Cells (EPCs) and increased Natural Killer (NK) cells in peripheral blood as possible early markers of preeclampsia: a case-control analysis. Arch Gynecol Obstet 2017; 295:867-872. [PMID: 28243732 DOI: 10.1007/s00404-017-4296-x] [Citation(s) in RCA: 57] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2016] [Accepted: 01/10/2017] [Indexed: 12/17/2022]
Abstract
PURPOSE Endothelial Progenitor Cells (EPCs) and Natural Killer (NK) cells were recently advocates in the pathogenesis of preeclampsia (PE), since they can be mobilized into the bloodstream and may orchestrate vascular endothelium function. The aim of our study was to evaluate in early pregnancy circulating EPCs and NK cells in peripheral blood in women who later developed PE compared to uncomplicated pregnancies. METHODS We prospectively enrolled pregnant women at 9+0-11+6 weeks of gestation at the time of first-trimester integrated screening for trisomy 21, who underwent peripheral venous blood (20 mL) sample. We included only women who later developed PE (cases) and women with uncomplicated pregnancy (controls), matched for maternal age, parity, and Body Mass Index. In these groups, we evaluated the levels of CD16+CD45+CD56+ NK cells and CD34+CD133+VEGF-R2+ EPCs in peripheral blood samples previously stored. RESULTS EPCs were significantly lower (p < 0.001), whereas NK cells were significantly higher (p < 0.001) in PE group compared to uncomplicated pregnancies during the first trimester. CONCLUSION The evaluation of EPCs and NK cells in peripheral blood during the first trimester may be considered an effective screening for the early identification of women at risk of developing PE.
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Affiliation(s)
- Antonio Simone Laganà
- Unit of Gynecology and Obstetrics, Department of Human Pathology in Adulthood and Childhood "G. Barresi", University of Messina, Messina, Italy.
| | - Domenico Giordano
- Unit of Gynecology and Obstetrics, Department of Human Pathology in Adulthood and Childhood "G. Barresi", University of Messina, Messina, Italy
| | - Saverio Loddo
- Department of Experimental Medicine, University of Messina, Messina, Italy
| | - Giuseppe Zoccali
- Unit of Gynecology and Obstetrics, Department of Human Pathology in Adulthood and Childhood "G. Barresi", University of Messina, Messina, Italy
| | - Salvatore Giovanni Vitale
- Unit of Gynecology and Obstetrics, Department of Human Pathology in Adulthood and Childhood "G. Barresi", University of Messina, Messina, Italy
| | - Angelo Santamaria
- Unit of Gynecology and Obstetrics, Department of Human Pathology in Adulthood and Childhood "G. Barresi", University of Messina, Messina, Italy
| | - Michele Buemi
- Department of Experimental Medicine, University of Messina, Messina, Italy
| | - Rosario D'Anna
- Unit of Gynecology and Obstetrics, Department of Human Pathology in Adulthood and Childhood "G. Barresi", University of Messina, Messina, Italy
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Incidence of Myelofibrosis in Chronic Myeloid Leukemia, Multiple Myeloma, and Chronic Lymphoid Leukemia during Various Phases of Diseases. Bull Exp Biol Med 2017; 162:483-487. [DOI: 10.1007/s10517-017-3645-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2015] [Indexed: 11/26/2022]
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25
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Liang Y, He X, Li X, Zhang X, Zhang X, Zhang L, Qiu X, Zhao X, Xu R. 4-Chlorbenzoyl Berbamine, a Novel Derivative of the Natural Product Berbamine, Potently Inhibits the Growth of Human Myeloma Cells by Modulating the NF-κB and JNK Signalling Pathways. Cancer Invest 2016; 34:496-505. [PMID: 27768381 DOI: 10.1080/07357907.2016.1235709] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
Multiple myeloma (MM) remains incurable despite the development and the use of new agents. In our studies, we found that 4-chlorbenzoyl berbamine (BBMD9), a novel synthetic derivative of berbamine, inhibited the proliferation of MM cells in dose- and time-dependent manners. Flow cytometric (FCM) analysis revealed that MM cells were arrested in the G1 phase and that apoptotic cells increased in a time-dependent manner. Moreover, the BBMD9 treatment downregulated IKKα and IKKβ, inhibited p-IκBα, and blocked p65 nuclear localization. Consistently, NF-κB downstream targets, such as cyclinD1 and survivin, were also reduced. In addition, BBMD9 phosphorylated the activity of JNK and c-Jun.
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Affiliation(s)
- Yun Liang
- a Department of Hematology , The Second Affiliated Hospital of Zhejiang University of Medicine , Hangzhou , Zhejiang , China
| | - Xin He
- a Department of Hematology , The Second Affiliated Hospital of Zhejiang University of Medicine , Hangzhou , Zhejiang , China
| | - Xian Li
- a Department of Hematology , The Second Affiliated Hospital of Zhejiang University of Medicine , Hangzhou , Zhejiang , China
| | - Xuzhao Zhang
- a Department of Hematology , The Second Affiliated Hospital of Zhejiang University of Medicine , Hangzhou , Zhejiang , China
| | - Xiaohong Zhang
- a Department of Hematology , The Second Affiliated Hospital of Zhejiang University of Medicine , Hangzhou , Zhejiang , China
| | - Lei Zhang
- a Department of Hematology , The Second Affiliated Hospital of Zhejiang University of Medicine , Hangzhou , Zhejiang , China
| | - Xi Qiu
- a Department of Hematology , The Second Affiliated Hospital of Zhejiang University of Medicine , Hangzhou , Zhejiang , China
| | - Xiaoying Zhao
- a Department of Hematology , The Second Affiliated Hospital of Zhejiang University of Medicine , Hangzhou , Zhejiang , China
| | - Rongzhen Xu
- a Department of Hematology , The Second Affiliated Hospital of Zhejiang University of Medicine , Hangzhou , Zhejiang , China
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Aberrant bone marrow vascularization patterns in untreated patients with Gaucher disease type 1. Blood Cells Mol Dis 2016; 68:54-59. [PMID: 27836528 DOI: 10.1016/j.bcmd.2016.10.009] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2016] [Accepted: 10/19/2016] [Indexed: 01/03/2023]
Abstract
Bone marrow (BM) in subjects with Gaucher disease (GD) displays accumulation of Gaucher cells (GC), i.e. glucocerebroside-laden macrophages. Following the assumption that macrophage proliferation and perturbation in GD modulates local inflammation-associated phenomena including angiogenesis, BM biopsies from 11 untreated GD patients and 36 controls were investigated for morphology and angiogenesis-associated features. These included microvascular density, (MVD), vessel structure and pericyte coverage, expression of VEGF-A and angiopoietins (ANGPT1 and 2). In GD BM, cellularity was higher, and GC clustered in cohesive but poorly demarcated areas, leaving irregular islands with normal hematopoiesis. MVD was 2.6-fold higher in GD marrows than in controls (p<0.001). In GC-rich areas, MVD was 1.4-fold higher (p=0.026), and vessel architecture was abnormal compared with GC-poor areas. MVD correlated with BM cellularity, particularly in GC-rich areas. Moreover, 30±17% of GD BM vessels were pericyte-coated, significantly fewer than in controls (48±16%; p<0.001). Expression of ANGPT1 and 2 was significantly higher in GD BM vessel walls than in controls (7.2- and 13.2-fold higher), whereas VEGF expression was 20-fold lower (p<0.05 for all). Thus, human GD BM shows increased angiogenesis with defective pericyte coating and skewed VEGF/ANGPT1 and 2 balances, presumably related to local accumulation of GC.
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27
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Beider K, Rosenberg E, Bitner H, Shimoni A, Leiba M, Koren-Michowitz M, Ribakovsky E, Klein S, Olam D, Weiss L, Wald H, Abraham M, Galun E, Peled A, Nagler A. The Sphingosine-1-Phosphate Modulator FTY720 Targets Multiple Myeloma via the CXCR4/CXCL12 Pathway. Clin Cancer Res 2016; 23:1733-1747. [PMID: 27697999 DOI: 10.1158/1078-0432.ccr-15-2618] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2015] [Revised: 07/20/2016] [Accepted: 09/01/2016] [Indexed: 11/16/2022]
Abstract
Purpose: To explore the functional consequences of possible cross-talk between the CXCR4/CXCL12 and the sphingosine-1-phosphate (S1P) pathways in multiple myeloma (MM) cells and to evaluate the effect of S1P targeting with the FTY720 modulator as a potential anti-MM therapeutic strategy.Experimental Design and Results: S1P targeting with FTY720 induces MM cell apoptosis. The combination of FTY720 with the SPHK1 inhibitor SKI-II results in synergistic inhibition of MM growth. CXCR4/CXCL12-enhanced expression correlates with reduced MM cell sensitivity to both FTY720 and SKI-II inhibitors, and with SPHK1 coexpression in both cell lines and primary MM bone marrow (BM) samples, suggesting regulative cross-talk between the CXCR4/CXCL12 and SPHK1 pathways in MM cells. FTY720 was found to directly target CXCR4. FTY720 profoundly reduces CXCR4 cell-surface levels and abrogates the CXCR4-mediated functions of migration toward CXCL12 and signaling pathway activation. Moreover, FTY720 cooperates with bortezomib, inducing its cytotoxic activity and abrogating the bortezomib-mediated increase in CXCR4 expression. FTY720 effectively targets bortezomib-resistant cells and increases their sensitivity to bortezomib, promoting DNA damage. Finally, in a recently developed novel xenograft model of CXCR4-dependent systemic MM with BM involvement, FTY720 treatment effectively reduces tumor burden in the BM of MM-bearing mice. FTY720 in combination with bortezomib demonstrates superior tumor growth inhibition and abrogates bortezomib-induced CXCR4 increase on MM cells.Conclusions: Altogether, our work identifies a cross-talk between the S1P and CXCR4 pathways in MM cells and provides a preclinical rationale for the therapeutic application of FTY720 in combination with bortezomib in patients with MM. Clin Cancer Res; 23(7); 1733-47. ©2016 AACR.
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Affiliation(s)
- Katia Beider
- Hematology Division and CBB, Guy Weinshtock Multiple Myeloma Foundation, Chaim Sheba Medical Center, Tel-Hashomer, Israel
| | - Evgenia Rosenberg
- Hematology Division and CBB, Guy Weinshtock Multiple Myeloma Foundation, Chaim Sheba Medical Center, Tel-Hashomer, Israel
| | - Hanna Bitner
- Hematology Division and CBB, Guy Weinshtock Multiple Myeloma Foundation, Chaim Sheba Medical Center, Tel-Hashomer, Israel
| | - Avichai Shimoni
- Hematology Division and CBB, Guy Weinshtock Multiple Myeloma Foundation, Chaim Sheba Medical Center, Tel-Hashomer, Israel
| | - Merav Leiba
- Hematology Division and CBB, Guy Weinshtock Multiple Myeloma Foundation, Chaim Sheba Medical Center, Tel-Hashomer, Israel
| | - Maya Koren-Michowitz
- Hematology Division and CBB, Guy Weinshtock Multiple Myeloma Foundation, Chaim Sheba Medical Center, Tel-Hashomer, Israel
| | - Elena Ribakovsky
- Hematology Division and CBB, Guy Weinshtock Multiple Myeloma Foundation, Chaim Sheba Medical Center, Tel-Hashomer, Israel
| | - Shiri Klein
- Goldyne Savad Institute of Gene Therapy, Hadassah Hebrew University Hospital, Jerusalem, Israel
| | - Devorah Olam
- Goldyne Savad Institute of Gene Therapy, Hadassah Hebrew University Hospital, Jerusalem, Israel
| | - Lola Weiss
- Goldyne Savad Institute of Gene Therapy, Hadassah Hebrew University Hospital, Jerusalem, Israel
| | - Hanna Wald
- Goldyne Savad Institute of Gene Therapy, Hadassah Hebrew University Hospital, Jerusalem, Israel
| | - Michal Abraham
- Goldyne Savad Institute of Gene Therapy, Hadassah Hebrew University Hospital, Jerusalem, Israel
| | - Eithan Galun
- Goldyne Savad Institute of Gene Therapy, Hadassah Hebrew University Hospital, Jerusalem, Israel
| | - Amnon Peled
- Goldyne Savad Institute of Gene Therapy, Hadassah Hebrew University Hospital, Jerusalem, Israel
| | - Arnon Nagler
- Hematology Division and CBB, Guy Weinshtock Multiple Myeloma Foundation, Chaim Sheba Medical Center, Tel-Hashomer, Israel.
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28
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Wei B, Yang S, Zhang B, Feng Y. Clinicopathological significance of p15 promoter hypermethylation in multiple myeloma: a meta-analysis. Onco Targets Ther 2016; 9:4015-22. [PMID: 27445492 PMCID: PMC4936815 DOI: 10.2147/ott.s102733] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
Published studies reported that loss of function of the p15INK4B gene is caused by hypermethylation; however, whether or not the inactivation is associated with the incidence and clinical significance of multiple myeloma (MM) remains unclear. In this study, we performed a meta-analysis to quantitatively determine the effects of p15 hypermethylation on the incidence of MM. The related research articles in English and Chinese languages were evaluated. The data were extracted and assessed independently. The pooled data were analyzed and odds ratios were calculated and summarized. Sixteen eligible studies were selected for final analysis. We demonstrated that p15 hypermethylation is significantly higher in MM than that in normal bone marrow, as well as monoclonal gammopathy of undetermined significance. However, aberrant p15 hypermethylation was not significantly higher in advanced MM than that in early-stage MM. The results of this study reveal that p15 hypermethylation is correlated with an increased risk in the progression of monoclonal gammopathy of undetermined significance to MM. p15 hypermethylation, which induces the loss of function of the p15 gene, plays a critical role in the early tumorigenesis of MM and serves as a reputable diagnostic marker and potential drug target.
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Affiliation(s)
- Bing Wei
- Department of Orthopaedic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China
| | - Shuhua Yang
- Department of Orthopaedic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China
| | - Bo Zhang
- Department of Orthopaedic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China
| | - Yong Feng
- Department of Orthopaedic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China
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29
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Cell autonomous and microenvironmental regulation of tumor progression in precursor states of multiple myeloma. Curr Opin Hematol 2016; 23:426-33. [DOI: 10.1097/moh.0000000000000259] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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30
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Rahat MA, Preis M. Role of microRNA in regulation of myeloma-related angiogenesis and survival. World J Hematol 2016; 5:51-60. [DOI: 10.5315/wjh.v5.i2.51] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/13/2015] [Revised: 11/19/2015] [Accepted: 01/22/2016] [Indexed: 02/05/2023] Open
Abstract
Multiple myeloma (MM) is a malignant disease caused by clonal proliferation of plasma cells that result in monoclonal gammopathy and severe end organ damage. Despite the uniform clinical signs, the disease is very diverse in terms of the nature and sequence of the underlying molecular events. Multiple cellular processes are involved in helping the malignant cells to remain viable and maintain proliferative properties in the hypoxic microenvironment of the bone marrow. Specifically, the process of angiogenesis, triggered by the interactions between the malignant MM cells and the stroma cells around them, was found to be critical for MM progression. In this review we highlight the current understanding about the epigenetic regulation of the proliferation and apoptosis of MM cells and its dependency on angiogenesis in the bone marrow that is carried out by different microRNAs.
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31
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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: 96] [Impact Index Per Article: 12.0] [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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32
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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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Abstract
Unprecedented advances in multiple myeloma (MM) therapy during the last 15 years are predominantly based on our increasing understanding of the pathophysiologic role of the bone marrow (BM) microenvironment. Indeed, new treatment paradigms, which incorporate thalidomide, immunomodulatory drugs (IMiDs), and proteasome inhibitors, target the tumor cell as well as its BM microenvironment. Ongoing translational research aims to understand in more detail how disordered BM-niche functions contribute to MM pathogenesis and to identify additional derived targeting agents. One of the most exciting advances in the field of MM treatment is the emergence of immune therapies including elotuzumab, daratumumab, the immune checkpoint inhibitors, Bispecific T-cell engagers (BiTes), and Chimeric antigen receptor (CAR)-T cells. This chapter will review our knowledge on the pathophysiology of the BM microenvironment and discuss derived novel agents that hold promise to further improve outcome in MM.
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Affiliation(s)
- Michele Moschetta
- Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, USA
| | - Yawara Kawano
- Department of Medical Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, USA
| | - Klaus Podar
- Department of Medical Oncology, National Center for Tumor Diseases (NCT), University of Heidelberg, Heidelberg, Germany.
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34
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Bouyssou JMC, Ghobrial IM, Roccaro AM. Targeting SDF-1 in multiple myeloma tumor microenvironment. Cancer Lett 2015; 380:315-8. [PMID: 26655999 DOI: 10.1016/j.canlet.2015.11.028] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2015] [Revised: 11/16/2015] [Accepted: 11/18/2015] [Indexed: 12/19/2022]
Abstract
Multiple myeloma (MM) is a type of B-cell malignancy that remains incurable to date. The bone marrow (BM) microenvironment plays a crucial role in MM progression. The chemokine SDF-1 (CXCL12) is an important actor of the BM microenvironment that has the ability to regulate numerous processes related to its malignant transformation during MM development. The activity of SDF-1 is mainly mediated by its specific receptor CXCR4, which is expressed at the surface of MM cells and various other BM cell types. Current treatments available for MM patients mainly target tumor cells but have limited effects on the BM microenvironment. In this context, SDF-1 and CXCR4 represent ideal targets for the normalization of the MM-supportive BM microenvironment. The present review focuses on the activity of SDF-1 in the MM BM microenvironment and the current efforts carried out to target the SDF-1/CXCR4 axis for treatment of MM.
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Affiliation(s)
- Juliette M C Bouyssou
- Dana-Farber Cancer Institute, Department of Medical Oncology, Harvard Medical School, 450 Brookline Avenue, HIM 246, Boston, MA 02215, USA; INSERM UMR 1163, Laboratory of Cellular and Molecular Mechanisms of Hematological Disorders and Therapeutic Implications, Paris, France
| | - Irene M Ghobrial
- Dana-Farber Cancer Institute, Department of Medical Oncology, Harvard Medical School, 450 Brookline Avenue, HIM 246, Boston, MA 02215, USA
| | - Aldo M Roccaro
- Dana-Farber Cancer Institute, Department of Medical Oncology, Harvard Medical School, 450 Brookline Avenue, HIM 246, Boston, MA 02215, USA.
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35
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Systemic modeling myeloma-osteoclast interactions under normoxic/hypoxic condition using a novel computational approach. Sci Rep 2015; 5:13291. [PMID: 26282073 PMCID: PMC4539608 DOI: 10.1038/srep13291] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2015] [Accepted: 07/20/2015] [Indexed: 12/17/2022] Open
Abstract
Interaction of myeloma cells with osteoclasts (OC) can enhance tumor cell expansion through activation of complex signaling transduction networks. Both cells reside in the bone marrow, a hypoxic niche. How OC-myeloma interaction in a hypoxic environment affects myeloma cell growth and their response to drug treatment is poorly understood. In this study, we i) cultured myeloma cells in the presence/absence of OCs under normoxia and hypoxia conditions and did protein profiling analysis using reverse phase protein array; ii) computationally developed an Integer Linear Programming approach to infer OC-mediated myeloma cell-specific signaling pathways under normoxic and hypoxic conditions. Our modeling analysis indicated that in the presence OCs, (1) cell growth-associated signaling pathways, PI3K/AKT and MEK/ERK, were activated and apoptotic regulatory proteins, BAX and BIM, down-regulated under normoxic condition; (2) β1 Integrin/FAK signaling pathway was activated in myeloma cells under hypoxic condition. Simulation of drug treatment effects by perturbing the inferred cell-specific pathways showed that targeting myeloma cells with the combination of PI3K and integrin inhibitors potentially (1) inhibited cell proliferation by reducing the expression/activation of NF-κB, S6, c-Myc, and c-Jun under normoxic condition; (2) blocked myeloma cell migration and invasion by reducing the expression of FAK and PKC under hypoxic condition.
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36
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Panchabhai S, Kelemen K, Ahmann G, Sebastian S, Mantei J, Fonseca R. Tumor-associated macrophages and extracellular matrix metalloproteinase inducer in prognosis of multiple myeloma. Leukemia 2015. [PMID: 26202926 DOI: 10.1038/leu.2015.191] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Affiliation(s)
- S Panchabhai
- Division of Hematology/Oncology, Mayo Clinic, Scottsdale, AZ, USA
| | - K Kelemen
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Scottsdale, AZ, USA
| | - G Ahmann
- Division of Hematology/Oncology, Mayo Clinic, Scottsdale, AZ, USA
| | - S Sebastian
- Division of Hematology/Oncology, Mayo Clinic, Scottsdale, AZ, USA
| | - J Mantei
- Division of Hematology/Oncology, Mayo Clinic, Scottsdale, AZ, USA
| | - R Fonseca
- Division of Hematology/Oncology, Mayo Clinic, Scottsdale, AZ, USA
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Yan M, Jurasz P. The role of platelets in the tumor microenvironment: From solid tumors to leukemia. BIOCHIMICA ET BIOPHYSICA ACTA-MOLECULAR CELL RESEARCH 2015; 1863:392-400. [PMID: 26193075 DOI: 10.1016/j.bbamcr.2015.07.008] [Citation(s) in RCA: 108] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/01/2015] [Revised: 07/06/2015] [Accepted: 07/08/2015] [Indexed: 12/25/2022]
Abstract
Platelets are increasingly being recognized for promoting tumor growth and metastasis. Many cells derived from solid tumors have the ability to aggregate platelets, and this ability correlates with their metastatic potential. Over the past half century, our understanding of tumor cell-induced platelet aggregation (TCIPA) has grown beyond the simple concept that tumor cell-containing microthrombi mechanically embolize the microvasculature. Tumor cell-activated platelets secrete a multitude of factors that reciprocally act on tumor cells, as well as other cells within the tumor microenvironment; thus, affecting both parenychma and tumor-associated stroma. In this review, we summarize the current knowledge of tumor cell-platelet interactions and their influence on the tumor microenvironment, including how these interactions impact neoplastic epithelial cells, endothelial cells, pericytes, fibroblasts, immune cells, and early metastatic niches. In addition, we review the current knowledge of platelet-cancer cell interactions within hematological malignancies and speculate on how platelets may influence the leukemic microenvironment. This article is part of a Special Issue entitled: Tumor Microenvironment Regulation of Cancer Cell Survival, Metastasis, Inflammation, and Immune Surveillance edited by Peter Ruvolo and Gregg L. Semenza.
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Affiliation(s)
- MengJie Yan
- Faculty of Pharmacy and Pharmaceutical Sciences, University of Alberta, Edmonton, Alberta, Canada; Cardiovascular Research Centre, University of Alberta, Edmonton, Alberta, Canada
| | - Paul Jurasz
- Faculty of Pharmacy and Pharmaceutical Sciences, University of Alberta, Edmonton, Alberta, Canada; Department of Pharmacology, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta, Canada; Cardiovascular Research Centre, University of Alberta, Edmonton, Alberta, Canada; Mazankowski Alberta Heart Institute, University of Alberta, Edmonton, Alberta, Canada.
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Pojero F, Casuccio A, Di Bassiano F, Gervasi F, Colonna Romano G, Caruso C. Correlation between CD117+ myeloma plasma cells and hematopoietic progenitor cells in different categories of patients. IMMUNITY & AGEING 2015; 12:5. [PMID: 26101540 PMCID: PMC4476172 DOI: 10.1186/s12979-015-0032-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/09/2015] [Accepted: 05/27/2015] [Indexed: 12/20/2022]
Abstract
Background Multiple myeloma (MM) is a neoplastic disorder of plasma cells interesting mainly the elderly. MM remains an incurable disease, mostly because of the strong interplay between clonal plasma cells (cPCs) and bone marrow (BM) microenvironment. Multiparameter flow cytometry (MFC) allows the simultaneous study of the cPC immunophenotype and alterations involving other cells in BM, but rarely these data are interpreted as connected. One exception to this habit are previous studies about relationship between CD117 cPC positivity and hematopoietic progenitor cell (HPC) distribution in newly diagnosed patients. Thus we were interested in verifying the distribution of BM CD34+ HPCs in healthy controls, and monoclonal gammopathy of undetermined significance (MGUS) patients and various categories of responding/relapsing MM subjects divided according to CD117 positivity. Results Our data completely agree with precedent reports as regards untreated patients. In the group with progression of disease, CD117- patients exhibited a lower CD34 + CD19-/CD34 + CD19+ ratio vs CD117+ subjects. Among CD117- cases, newly diagnosed patients exhibited differences in distribution of HPCs vs responding myeloma subjects and patients with progressive disease. These differences reached statistical significance comparing CD117- newly diagnosed with CD117- responding cases, as reflected by CD34 + CD19-/CD34 + CD19+ ratio. In turn, no differences emerged comparing CD117+ treated and untreated patients. Conclusions We demonstrate that administration of treatment and depth of reached response/presence of relapse imply a distinct regulation in distribution of CD34+ HPC subsets in CD117- and CD117+ patients. These differences become evident comparing untreated and treated CD117- patients, but they are impossible to detect in CD117+ cases. Electronic supplementary material The online version of this article (doi:10.1186/s12979-015-0032-1) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Fanny Pojero
- Dipartimento di Biopatologia e Biotecnologie Mediche, Universita' degli Studi di Palermo, Corso Tukory 211, 90134 Palermo, Italy.,Dipartimento dei Servizi, U.O.S.D. Laboratorio Specialistico Oncologia, Ematologia e Colture Cellulari per Uso Clinico, ARNAS Civico, Piazza Nicola Leotta 4, 90127 Palermo, Italy
| | - Alessandra Casuccio
- Dipartimento di Scienze per la Promozione della Salute e Materno Infantile "G. D'Alessandro", Universita' degli Studi di Palermo, Via del Vespro 133, 90133 Palermo, Italy
| | - Francesco Di Bassiano
- U.O.C. di Oncoematologia, ARNAS Civico, Piazza Nicola Leotta 4, 90127 Palermo, Italy
| | - Francesco Gervasi
- Dipartimento dei Servizi, U.O.S.D. Laboratorio Specialistico Oncologia, Ematologia e Colture Cellulari per Uso Clinico, ARNAS Civico, Piazza Nicola Leotta 4, 90127 Palermo, Italy
| | - Giuseppina Colonna Romano
- Dipartimento di Biopatologia e Biotecnologie Mediche, Universita' degli Studi di Palermo, Corso Tukory 211, 90134 Palermo, Italy
| | - Calogero Caruso
- Dipartimento di Biopatologia e Biotecnologie Mediche, Universita' degli Studi di Palermo, Corso Tukory 211, 90134 Palermo, Italy
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Hengeveld PJ, Kersten MJ. B-cell activating factor in the pathophysiology of multiple myeloma: a target for therapy? Blood Cancer J 2015; 5:e282. [PMID: 25723853 PMCID: PMC4349256 DOI: 10.1038/bcj.2015.3] [Citation(s) in RCA: 58] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2014] [Revised: 01/02/2015] [Accepted: 01/21/2015] [Indexed: 01/28/2023] Open
Abstract
Multiple myeloma (MM) is a currently incurable malignancy of plasma cells. Malignant myeloma cells (MMCs) are heavily dependent upon the bone marrow (BM) microenvironment for their survival. One component of this tumor microenvironment, B-Cell Activating Factor (BAFF), has been implicated as a key player in this interaction. This review discusses the role of BAFF in the pathophysiology of MM, and the potential of BAFF-inhibitory therapy for the treatment of MM. Multiple studies have shown that BAFF functions as a survival factor for MMCs. Furthermore, MMCs express several BAFF-binding receptors. Of these, only Transmembrane Activator and CAML Interactor (TACI) correlates with the MMC's capability to ligate BAFF. Additionally, the level of expression of TACI correlates with the level of the MMC's BM dependency. Ligation of BAFF receptors on MMCs causes activation of the Nuclear Factor of κ-B (NF-κB) pathway, a crucial pathway for the pathogenesis of many B-cell malignancies. Serum BAFF levels are significantly elevated in MM patients when compared to healthy controls, and correlate inversely with overall survival. BAFF signaling is thus an interesting target for the treatment of MM. Several BAFF-inhibitory drugs are currently under evaluation for the treatment of MM. These include BAFF-monoclonal antibodies (tabalumab) and antibody-drug conjugates (GSK2857916).
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Affiliation(s)
- P J Hengeveld
- Department of Hematology, Academic Medical Center, Amsterdam, The Netherlands
| | - M J Kersten
- Department of Hematology, Academic Medical Center, Amsterdam, The Netherlands
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