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Merchand-Reyes G, Bull MF, Santhanam R, Valencia-Pena ML, Murugesan RA, Chordia A, Mo XM, Robledo-Avila FH, Ruiz-Rosado JDD, Carson WE, Byrd JC, Woyach JA, Tridandapani S, Butchar JP. NOD2 activation enhances macrophage Fcγ receptor function and may increase the efficacy of antibody therapy. Front Immunol 2024; 15:1409333. [PMID: 38919608 PMCID: PMC11196781 DOI: 10.3389/fimmu.2024.1409333] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2024] [Accepted: 05/21/2024] [Indexed: 06/27/2024] Open
Abstract
Introduction Therapeutic antibodies have become a major strategy to treat oncologic diseases. For chronic lymphocytic leukemia, antibodies against CD20 are used to target and elicit cytotoxic responses against malignant B cells. However, efficacy is often compromised due to a suppressive microenvironment that interferes with cellular immune responses. To overcome this suppression, agonists of pattern recognition receptors have been studied which promote direct cytotoxicity or elicit anti-tumoral immune responses. NOD2 is an intracellular pattern recognition receptor that participates in the detection of peptidoglycan, a key component of bacterial cell walls. This detection then mediates the activation of multiple signaling pathways in myeloid cells. Although several NOD2 agonists are being used worldwide, the potential benefit of these agents in the context of antibody therapy has not been explored. Methods Primary cells from healthy-donor volunteers (PBMCs, monocytes) or CLL patients (monocytes) were treated with versus without the NOD2 agonist L18-MDP, then antibody-mediated responses were assessed. In vivo, the Eµ-TCL1 mouse model of CLL was used to test the effects of L18-MDP treatment alone and in combination with anti-CD20 antibody. Results Treatment of peripheral blood mononuclear cells with L18-MDP led to activation of monocytes from both healthy donors and CLL patients. In addition, there was an upregulation of activating FcγR in monocytes and a subsequent increase in antibody-mediated phagocytosis. This effect required the NF-κB and p38 signaling pathways. Treatment with L18-MDP plus anti-CD20 antibody in the Eµ-TCL model of CLL led to a significant reduction of CLL load, as well as to phenotypic changes in splenic monocytes and macrophages. Conclusions Taken together, these results suggest that NOD2 agonists help overturn the suppression of myeloid cells, and may improve the efficacy of antibody therapy for CLL.
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MESH Headings
- Nod2 Signaling Adaptor Protein/agonists
- Nod2 Signaling Adaptor Protein/metabolism
- Nod2 Signaling Adaptor Protein/immunology
- Animals
- Humans
- Receptors, IgG/metabolism
- Receptors, IgG/immunology
- Mice
- Macrophages/immunology
- Macrophages/metabolism
- Leukemia, Lymphocytic, Chronic, B-Cell/immunology
- Leukemia, Lymphocytic, Chronic, B-Cell/drug therapy
- Leukemia, Lymphocytic, Chronic, B-Cell/metabolism
- Acetylmuramyl-Alanyl-Isoglutamine/pharmacology
- Female
- Mice, Inbred C57BL
- Signal Transduction
- Phagocytosis
- Rituximab/pharmacology
- Rituximab/therapeutic use
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Affiliation(s)
- Giovanna Merchand-Reyes
- Division of Hematology, Department of Internal Medicine, College of Medicine, The Ohio State University, Columbus, OH, United States
| | - Mikayla F. Bull
- College of Medicine, The Ohio State University, Columbus, OH, United States
| | - Ramasamy Santhanam
- Division of Hematology, Department of Internal Medicine, College of Medicine, The Ohio State University, Columbus, OH, United States
| | - Maria L. Valencia-Pena
- Division of Hematology, Department of Internal Medicine, College of Medicine, The Ohio State University, Columbus, OH, United States
| | | | - Aadesh Chordia
- College of Medicine, The Ohio State University, Columbus, OH, United States
| | - Xiaokui-Molly Mo
- Department of Biomedical Informatics, The Ohio State University, Columbus, OH, United States
| | - Frank H. Robledo-Avila
- Center for Microbial Pathogenesis, Abigail Wexner Research Institute, Nationwide Children's Hospital, Columbus, OH, United States
| | - Juan De Dios Ruiz-Rosado
- Kidney and Urinary Tract Center, Abigail Wexner Research Institute, Nationwide Children’s Hospital, Columbus, OH, United States
- Division of Pediatric Nephrology and Hypertension, Nationwide Children’s Hospital, Columbus, OH, United States
| | | | - John C. Byrd
- Department of Internal Medicine, College of Medicine, University of Cincinnati, Cincinnati, OH, United States
| | - Jennifer A. Woyach
- Division of Hematology, Department of Internal Medicine, College of Medicine, The Ohio State University, Columbus, OH, United States
| | - Susheela Tridandapani
- Division of Hematology, Department of Internal Medicine, College of Medicine, The Ohio State University, Columbus, OH, United States
| | - Jonathan P. Butchar
- Division of Hematology, Department of Internal Medicine, College of Medicine, The Ohio State University, Columbus, OH, United States
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Rey-Barroso J, Munaretto A, Rouquié N, Mougel A, Chassan M, Gadat S, Dewingle O, Poincloux R, Cadot S, Ysebaert L, Quillet-Mary A, Dupré L. Lymphocyte migration and retention properties affected by ibrutinib in chronic lymphocytic leukemia. Haematologica 2024; 109:809-823. [PMID: 37381758 PMCID: PMC10905104 DOI: 10.3324/haematol.2022.282466] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Accepted: 06/20/2023] [Indexed: 06/30/2023] Open
Abstract
The Bruton tyrosine kinase (BTK) inhibitor ibrutinib is widely used for treatment of patients with relapsed/refractory or treatment-naïve chronic lymphocytic leukemia (CLL). A prominent effect of ibrutinib is to disrupt the retention of CLL cells from supportive lymphoid tissues, by altering BTK-dependent adhesion and migration. To further explore the mechanism of action of ibrutinib and its potential impact on non-leukemic cells, we quantified multiple motility and adhesion parameters of human primary CLL cells and non-leukemic lymphoid cells. In vitro, ibrutinib affected CCL19-, CXCL12- and CXCL13-evoked migration behavior of CLL cells and non-neoplastic lymphocytes, by reducing both motility speed and directionality. De-phosphorylation of BTK induced by ibrutinib in CLL cells was associated with defective polarization over fibronectin and inability to assemble the immunological synapse upon B-cell receptor engagement. In patients' samples collected during a 6-month monitoring of therapy, chemokine-evoked migration was repressed in CLL cells and marginally reduced in T cells. This was accompanied by profound modulation of the expression of chemokine receptors and adhesion molecules. Remarkably, the relative expression of the receptors governing lymph node entry (CCR7) versus exit (S1PR1) stood out as a reliable predictive marker of the clinically relevant treatment-induced lymphocytosis. Together, our data reveal a multifaceted modulation of motility and adhesive properties of ibrutinib on both CLL leukemic cell and T-cell populations and point to intrinsic differences in CLL recirculation properties as an underlying cause for variability in treatment response.
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Affiliation(s)
- Javier Rey-Barroso
- Toulouse Institute for Infectious and Inflammatory Diseases (INFINITy), INSERM, CNRS, Toulouse III Paul Sabatier University, Toulouse
| | - Alice Munaretto
- Toulouse Institute for Infectious and Inflammatory Diseases (INFINITy), INSERM, CNRS, Toulouse III Paul Sabatier University, Toulouse
| | - Nelly Rouquié
- Toulouse Institute for Infectious and Inflammatory Diseases (INFINITy), INSERM, CNRS, Toulouse III Paul Sabatier University, Toulouse
| | - Aurélie Mougel
- Toulouse Institute for Infectious and Inflammatory Diseases (INFINITy), INSERM, CNRS, Toulouse III Paul Sabatier University, Toulouse
| | - Malika Chassan
- Institut de Mathématiques de Toulouse, CNRS UMR 5219, Université Toulouse 3 Paul Sabatier
| | - Sébastien Gadat
- Toulouse School of Economics, CNRS UMR 5314, Université Toulouse 1 Capitole; Institut Universitaire de France
| | - Océane Dewingle
- Toulouse Cancer Research Center (CRCT), INSERM, CNRS, Toulouse III Paul Sabatier University, Toulouse
| | - Renaud Poincloux
- Institut de Pharmacologie et Biologie Structurale, IPBS, CNRS, UPS, Université de Toulouse
| | - Sarah Cadot
- Toulouse Cancer Research Center (CRCT), INSERM, CNRS, Toulouse III Paul Sabatier University, Toulouse
| | - Loïc Ysebaert
- Toulouse Cancer Research Center (CRCT), INSERM, CNRS, Toulouse III Paul Sabatier University, Toulouse, France; Clinical Hematology, IUCT Oncopole, Toulouse University Hospital, Toulouse
| | - Anne Quillet-Mary
- Toulouse Cancer Research Center (CRCT), INSERM, CNRS, Toulouse III Paul Sabatier University, Toulouse
| | - Loïc Dupré
- Toulouse Institute for Infectious and Inflammatory Diseases (INFINITy), INSERM, CNRS, Toulouse III Paul Sabatier University, Toulouse, France; Department of Dermatology, Medical University of Vienna, Vienna.
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3
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Giallongo S, Duminuco A, Dulcamare I, Zuppelli T, La Spina E, Scandura G, Santisi A, Romano A, Di Raimondo F, Tibullo D, Palumbo GA, Giallongo C. Engagement of Mesenchymal Stromal Cells in the Remodeling of the Bone Marrow Microenvironment in Hematological Cancers. Biomolecules 2023; 13:1701. [PMID: 38136573 PMCID: PMC10741414 DOI: 10.3390/biom13121701] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Revised: 11/17/2023] [Accepted: 11/22/2023] [Indexed: 12/24/2023] Open
Abstract
Mesenchymal stromal cells (MSCs) are a subset of heterogeneous, non-hematopoietic fibroblast-like cells which play important roles in tissue repair, inflammation, and immune modulation. MSCs residing in the bone marrow microenvironment (BMME) functionally interact with hematopoietic stem progenitor cells regulating hematopoiesis. However, MSCs have also emerged in recent years as key regulators of the tumor microenvironment. Indeed, they are now considered active players in the pathophysiology of hematologic malignancies rather than passive bystanders in the hematopoietic microenvironment. Once a malignant event occurs, the BMME acquires cellular, molecular, and epigenetic abnormalities affecting tumor growth and progression. In this context, MSC behavior is affected by signals coming from cancer cells. Furthermore, it has been shown that stromal cells themselves play a major role in several hematological malignancies' pathogenesis. This bidirectional crosstalk creates a functional tumor niche unit wherein tumor cells acquire a selective advantage over their normal counterparts and are protected from drug treatment. It is therefore of critical importance to unveil the underlying mechanisms which activate a protumor phenotype of MSCs for defining the unmasked vulnerabilities of hematological cancer cells which could be pharmacologically exploited to disrupt tumor/MSC coupling. The present review focuses on the current knowledge about MSC dysfunction mechanisms in the BMME of hematological cancers, sustaining tumor growth, immune escape, and cancer progression.
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Affiliation(s)
- Sebastiano Giallongo
- Department of Medical, Surgical Sciences and Advanced Technologies “G.F. Ingrassia”, University of Catania, 95123 Catania, Italy; (S.G.); (G.A.P.); (C.G.)
| | - Andrea Duminuco
- Division of Hematology, AOU Policlinico, 95123 Catania, Italy; (A.D.); (A.S.)
| | - Ilaria Dulcamare
- Department of Clinical and Experimental Medicine, University of Catania, 95123 Catania, Italy;
| | - Tatiana Zuppelli
- Department of Biomedical and Biotechnological Sciences, University of Catania, 95123 Catania, Italy; (T.Z.); (E.L.S.)
| | - Enrico La Spina
- Department of Biomedical and Biotechnological Sciences, University of Catania, 95123 Catania, Italy; (T.Z.); (E.L.S.)
| | - Grazia Scandura
- Department of General Surgery and Medical-Surgical Specialties, University of Catania, 95123 Catania, Italy; (G.S.); (A.R.); (F.D.R.)
| | - Annalisa Santisi
- Division of Hematology, AOU Policlinico, 95123 Catania, Italy; (A.D.); (A.S.)
| | - Alessandra Romano
- Department of General Surgery and Medical-Surgical Specialties, University of Catania, 95123 Catania, Italy; (G.S.); (A.R.); (F.D.R.)
| | - Francesco Di Raimondo
- Department of General Surgery and Medical-Surgical Specialties, University of Catania, 95123 Catania, Italy; (G.S.); (A.R.); (F.D.R.)
| | - Daniele Tibullo
- Department of Biomedical and Biotechnological Sciences, University of Catania, 95123 Catania, Italy; (T.Z.); (E.L.S.)
| | - Giuseppe A. Palumbo
- Department of Medical, Surgical Sciences and Advanced Technologies “G.F. Ingrassia”, University of Catania, 95123 Catania, Italy; (S.G.); (G.A.P.); (C.G.)
| | - Cesarina Giallongo
- Department of Medical, Surgical Sciences and Advanced Technologies “G.F. Ingrassia”, University of Catania, 95123 Catania, Italy; (S.G.); (G.A.P.); (C.G.)
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4
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Cerreto M, Foà R, Natoni A. The Role of the Microenvironment and Cell Adhesion Molecules in Chronic Lymphocytic Leukemia. Cancers (Basel) 2023; 15:5160. [PMID: 37958334 PMCID: PMC10647257 DOI: 10.3390/cancers15215160] [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: 09/25/2023] [Revised: 10/23/2023] [Accepted: 10/24/2023] [Indexed: 11/15/2023] Open
Abstract
Chronic lymphocytic leukemia (CLL) is a B-cell malignancy whose progression largely depends on the lymph node and bone marrow microenvironment. Indeed, CLL cells actively proliferate in specific regions of these anatomical compartments, known as proliferation centers, while being quiescent in the blood stream. Hence, CLL cell adhesion and migration into these protective niches are critical for CLL pathophysiology. CLL cells are lodged in their microenvironment through a series of molecular interactions that are mediated by cellular adhesion molecules and their counter receptors. The importance of these adhesion molecules in the clinic is demonstrated by the correlation between the expression levels of some of them, in particular CD49d, and the prognostic likelihood. Furthermore, novel therapeutic agents, such as ibrutinib, impair the functions of these adhesion molecules, leading to an egress of CLL cells from the lymph nodes and bone marrow into the circulation together with an inhibition of homing into these survival niches, thereby preventing disease progression. Several adhesion molecules have been shown to participate in CLL adhesion and migration. Their importance also stems from the observation that they are involved in promoting, directly or indirectly, survival signals that sustain CLL proliferation and limit the efficacy of standard and novel chemotherapeutic drugs, a process known as cell adhesion-mediated drug resistance. In this respect, many studies have elucidated the molecular mechanisms underlying cell adhesion-mediated drug resistance, which have highlighted different signaling pathways that may represent potential therapeutic targets. Here, we review the role of the microenvironment and the adhesion molecules that have been shown to be important in CLL and their impact on transendothelial migration and cell-mediated drug resistance. We also discuss how novel therapeutic compounds modulate the function of this important class of molecules.
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Affiliation(s)
| | | | - Alessandro Natoni
- Hematology, Department of Translational and Precision Medicine, Sapienza University, 00100 Rome, Italy; (M.C.); (R.F.)
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5
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Giudice V, Serio B, Bertolini A, Mettivier L, D'Alto F, Pezzullo L, D'Addona M, Fumo R, Zeppa P, Gorrese M, Selleri C. Implementation of International Prognostic Index with flow cytometry immunophenotyping for better risk stratification of chronic lymphocytic leukemia. Eur J Haematol 2022; 109:483-493. [PMID: 35871396 PMCID: PMC9804478 DOI: 10.1111/ejh.13833] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2022] [Revised: 07/01/2022] [Accepted: 07/05/2022] [Indexed: 01/05/2023]
Abstract
BACKGROUND Current chronic lymphocytic leukemia (CLL) International Prognostic Index (IPI) stratifies patients based on clinical, molecular, and biochemical features; however, B-cell markers also influence CLL outcomes. Here, prognostic roles of CD11c, CD38, and CD49d were first evaluated, and then an immunophenotypic score was combined with CLL-IPI for risk stratification of CLL patients. METHODS A total of 171 CLL subjects were included, and surface marker expression was assessed by flow cytometry. Levels ≥30% were chosen as cut-off of positivity to a marker; then values of 1 (for CD11c and CD38) or 3 (for CD49d) were assigned and scores determined for each patient's clone immunophenotype. RESULTS CD49d positivity was significantly associated with simultaneous expression of CD11c and/or CD38, unmutated IGHV status, and higher β2-microglobulin levels compared to those with CD49d negativity. Moreover, CD49d+ patients experienced a shorter progression-free survival and time to treatment. When the immunophenotypic score was combined with CLL-IPI, patients with high-risk immunophenotype had a significantly lower time-to-treatment regardless CLL-IPI. CONCLUSIONS Our results suggested clinical utility of an integrated prognostic score for better risk stratification of CLL patients. These results require further validation in prospective larger studies.
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Affiliation(s)
- Valentina Giudice
- Hematology and Transplant CenterUniversity Hospital “San Giovanni di Dio e Ruggi d'Aragona”SalernoItaly,Department of Medicine, Surgery, and DentistryUniversity of SalernoBaronissiItaly
| | - Bianca Serio
- Hematology and Transplant CenterUniversity Hospital “San Giovanni di Dio e Ruggi d'Aragona”SalernoItaly
| | - Angela Bertolini
- Department of Medicine, Surgery, and DentistryUniversity of SalernoBaronissiItaly
| | - Laura Mettivier
- Hematology and Transplant CenterUniversity Hospital “San Giovanni di Dio e Ruggi d'Aragona”SalernoItaly
| | - Francesca D'Alto
- Hematology and Transplant CenterUniversity Hospital “San Giovanni di Dio e Ruggi d'Aragona”SalernoItaly
| | - Luca Pezzullo
- Hematology and Transplant CenterUniversity Hospital “San Giovanni di Dio e Ruggi d'Aragona”SalernoItaly
| | - Matteo D'Addona
- Hematology and Transplant CenterUniversity Hospital “San Giovanni di Dio e Ruggi d'Aragona”SalernoItaly
| | - Rosalba Fumo
- Anatomy Pathology UnitUniversity Hospital “San Giovanni di Dio e Ruggi d'Aragona”SalernoItaly
| | - Pio Zeppa
- Department of Medicine, Surgery, and DentistryUniversity of SalernoBaronissiItaly,Anatomy Pathology UnitUniversity Hospital “San Giovanni di Dio e Ruggi d'Aragona”SalernoItaly
| | - Marisa Gorrese
- Department of Medicine, Surgery, and DentistryUniversity of SalernoBaronissiItaly
| | - Carmine Selleri
- Hematology and Transplant CenterUniversity Hospital “San Giovanni di Dio e Ruggi d'Aragona”SalernoItaly,Department of Medicine, Surgery, and DentistryUniversity of SalernoBaronissiItaly
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6
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Smith AL, Eiken AP, Skupa SA, Moore DY, Umeta LT, Smith LM, Lyden ER, D’Angelo CR, Kallam A, Vose JM, Kutateladze TG, El-Gamal D. A Novel Triple-Action Inhibitor Targeting B-Cell Receptor Signaling and BRD4 Demonstrates Preclinical Activity in Chronic Lymphocytic Leukemia. Int J Mol Sci 2022; 23:6712. [PMID: 35743155 PMCID: PMC9224275 DOI: 10.3390/ijms23126712] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2022] [Revised: 06/10/2022] [Accepted: 06/13/2022] [Indexed: 11/30/2022] Open
Abstract
B-cell chronic lymphocytic leukemia (CLL) results from intrinsic genetic defects and complex microenvironment stimuli that fuel CLL cell growth through an array of survival signaling pathways. Novel small-molecule agents targeting the B-cell receptor pathway and anti-apoptotic proteins alone or in combination have revolutionized the management of CLL, yet combination therapy carries significant toxicity and CLL remains incurable due to residual disease and relapse. Single-molecule inhibitors that can target multiple disease-driving factors are thus an attractive approach to combat both drug resistance and combination-therapy-related toxicities. We demonstrate that SRX3305, a novel small-molecule BTK/PI3K/BRD4 inhibitor that targets three distinctive facets of CLL biology, attenuates CLL cell proliferation and promotes apoptosis in a dose-dependent fashion. SRX3305 also inhibits the activation-induced proliferation of primary CLL cells in vitro and effectively blocks microenvironment-mediated survival signals, including stromal cell contact. Furthermore, SRX3305 blocks CLL cell migration toward CXCL-12 and CXCL-13, which are major chemokines involved in CLL cell homing and retention in microenvironment niches. Importantly, SRX3305 maintains its anti-tumor effects in ibrutinib-resistant CLL cells. Collectively, this study establishes the preclinical efficacy of SRX3305 in CLL, providing significant rationale for its development as a therapeutic agent for CLL and related disorders.
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Affiliation(s)
- Audrey L. Smith
- Eppley Institute for Research in Cancer and Allied Diseases, Fred and Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE 68198, USA; (A.L.S.); (A.P.E.); (S.A.S.); (D.Y.M.); (L.T.U.)
| | - Alexandria P. Eiken
- Eppley Institute for Research in Cancer and Allied Diseases, Fred and Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE 68198, USA; (A.L.S.); (A.P.E.); (S.A.S.); (D.Y.M.); (L.T.U.)
| | - Sydney A. Skupa
- Eppley Institute for Research in Cancer and Allied Diseases, Fred and Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE 68198, USA; (A.L.S.); (A.P.E.); (S.A.S.); (D.Y.M.); (L.T.U.)
| | - Dalia Y. Moore
- Eppley Institute for Research in Cancer and Allied Diseases, Fred and Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE 68198, USA; (A.L.S.); (A.P.E.); (S.A.S.); (D.Y.M.); (L.T.U.)
| | - Lelisse T. Umeta
- Eppley Institute for Research in Cancer and Allied Diseases, Fred and Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE 68198, USA; (A.L.S.); (A.P.E.); (S.A.S.); (D.Y.M.); (L.T.U.)
| | - Lynette M. Smith
- Department of Biostatistics, College of Public Health, University of Nebraska Medical Center, Omaha, NE 68198, USA; (L.M.S.); (E.R.L.)
| | - Elizabeth R. Lyden
- Department of Biostatistics, College of Public Health, University of Nebraska Medical Center, Omaha, NE 68198, USA; (L.M.S.); (E.R.L.)
| | - Christopher R. D’Angelo
- Division of Hematology and Oncology, Fred and Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE 68198, USA; (C.R.D.); (A.K.); (J.M.V.)
| | - Avyakta Kallam
- Division of Hematology and Oncology, Fred and Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE 68198, USA; (C.R.D.); (A.K.); (J.M.V.)
| | - Julie M. Vose
- Division of Hematology and Oncology, Fred and Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE 68198, USA; (C.R.D.); (A.K.); (J.M.V.)
| | - Tatiana G. Kutateladze
- Department of Pharmacology, University of Colorado School of Medicine, Aurora, CO 80045, USA;
| | - Dalia El-Gamal
- Eppley Institute for Research in Cancer and Allied Diseases, Fred and Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE 68198, USA; (A.L.S.); (A.P.E.); (S.A.S.); (D.Y.M.); (L.T.U.)
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7
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Rusyn L, Reinartz S, Nikiforov A, Mikhael N, Vom Stein A, Kohlhas V, Bloehdorn J, Stilgenbauer S, Lohneis P, Buettner R, Robrecht S, Fischer K, Pallasch C, Hallek M, Nguyen PH, Seeger-Nukpezah T. The scaffold protein NEDD9 is necessary for leukemia-cell migration and disease progression in a mouse model of chronic lymphocytic leukemia. Leukemia 2022; 36:1794-1805. [PMID: 35523865 PMCID: PMC9252910 DOI: 10.1038/s41375-022-01586-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2021] [Revised: 03/16/2022] [Accepted: 04/25/2022] [Indexed: 11/24/2022]
Abstract
The scaffold protein NEDD9 is frequently upregulated and hyperphosphorylated in cancers, and is associated with poor clinical outcome. NEDD9 promotes B-cell adhesion, migration and chemotaxis, pivotal processes for malignant development. We show that global or B-cell-specific deletion of Nedd9 in chronic lymphocytic leukemia (CLL) mouse models delayed CLL development, markedly reduced disease burden and resulted in significant survival benefit. NEDD9 was required for efficient CLL cell homing, chemotaxis, migration and adhesion. In CLL patients, peripheral NEDD9 expression was associated with adhesion and migration signatures as well as leukocyte count. Additionally, CLL lymph nodes frequently expressed high NEDD9 levels, with a subset of patients showing NEDD9 expression enriched in the CLL proliferation centers. Blocking activity of prominent NEDD9 effectors, including AURKA and HDAC6, effectively reduced CLL cell migration and chemotaxis. Collectively, our study provides evidence for a functional role of NEDD9 in CLL pathogenesis that involves intrinsic defects in adhesion, migration and homing.
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Affiliation(s)
- Lisa Rusyn
- Faculty of Medicine and Cologne University Hospital, Department I of Internal Medicine, Center for Integrated Oncology Aachen Bonn Cologne Duesseldorf, University of Cologne, Cologne, Germany
| | - Sebastian Reinartz
- Faculty of Medicine and Cologne University Hospital, Department I of Internal Medicine, Center for Integrated Oncology Aachen Bonn Cologne Duesseldorf, University of Cologne, Cologne, Germany.,CECAD Center of Excellence on Cellular Stress Responses in Aging-Associated Diseases, Center for Molecular Medicine Cologne, Cologne, Germany
| | - Anastasia Nikiforov
- Faculty of Medicine and Cologne University Hospital, Department I of Internal Medicine, Center for Integrated Oncology Aachen Bonn Cologne Duesseldorf, University of Cologne, Cologne, Germany
| | - Nelly Mikhael
- Faculty of Medicine and Cologne University Hospital, Department I of Internal Medicine, Center for Integrated Oncology Aachen Bonn Cologne Duesseldorf, University of Cologne, Cologne, Germany
| | - Alexander Vom Stein
- Faculty of Medicine and Cologne University Hospital, Department I of Internal Medicine, Center for Integrated Oncology Aachen Bonn Cologne Duesseldorf, University of Cologne, Cologne, Germany.,CECAD Center of Excellence on Cellular Stress Responses in Aging-Associated Diseases, Center for Molecular Medicine Cologne, Cologne, Germany
| | - Viktoria Kohlhas
- Faculty of Medicine and Cologne University Hospital, Department I of Internal Medicine, Center for Integrated Oncology Aachen Bonn Cologne Duesseldorf, University of Cologne, Cologne, Germany.,CECAD Center of Excellence on Cellular Stress Responses in Aging-Associated Diseases, Center for Molecular Medicine Cologne, Cologne, Germany
| | | | | | - Philipp Lohneis
- Hämatopathologie Lübeck, Reference Centre for Lymphnode Pathology and Haematopathology, Luebeck, Germany
| | | | - Sandra Robrecht
- Faculty of Medicine and Cologne University Hospital, Department I of Internal Medicine, Center for Integrated Oncology Aachen Bonn Cologne Duesseldorf, University of Cologne, Cologne, Germany
| | - Kirsten Fischer
- Faculty of Medicine and Cologne University Hospital, Department I of Internal Medicine, Center for Integrated Oncology Aachen Bonn Cologne Duesseldorf, University of Cologne, Cologne, Germany
| | - Christian Pallasch
- Faculty of Medicine and Cologne University Hospital, Department I of Internal Medicine, Center for Integrated Oncology Aachen Bonn Cologne Duesseldorf, University of Cologne, Cologne, Germany.,CECAD Center of Excellence on Cellular Stress Responses in Aging-Associated Diseases, Center for Molecular Medicine Cologne, Cologne, Germany
| | - Michael Hallek
- Faculty of Medicine and Cologne University Hospital, Department I of Internal Medicine, Center for Integrated Oncology Aachen Bonn Cologne Duesseldorf, University of Cologne, Cologne, Germany.,CECAD Center of Excellence on Cellular Stress Responses in Aging-Associated Diseases, Center for Molecular Medicine Cologne, Cologne, Germany
| | - Phuong-Hien Nguyen
- Faculty of Medicine and Cologne University Hospital, Department I of Internal Medicine, Center for Integrated Oncology Aachen Bonn Cologne Duesseldorf, University of Cologne, Cologne, Germany. .,CECAD Center of Excellence on Cellular Stress Responses in Aging-Associated Diseases, Center for Molecular Medicine Cologne, Cologne, Germany.
| | - Tamina Seeger-Nukpezah
- Faculty of Medicine and Cologne University Hospital, Department I of Internal Medicine, Center for Integrated Oncology Aachen Bonn Cologne Duesseldorf, University of Cologne, Cologne, Germany.
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Härzschel A, Li L, Krenn PW, Szenes-Nagy E, Andrieux G, Bayer E, Pfeifer D, Polcik L, Denk U, Höpner JP, Karabatak E, Danner DJ, Tangermann S, Kenner L, Jumaa H, Greil R, Börries M, Ruppert R, Maity PC, Hartmann TN. Kindlin-3 maintains marginal zone B cells but confines follicular B cell activation and differentiation. J Leukoc Biol 2021; 111:745-758. [PMID: 34888947 DOI: 10.1002/jlb.1hi0621-313r] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Abstract
Integrin-mediated interactions between hematopoietic cells and their microenvironment are important for the development and function of immune cells. Here, the role of the integrin adaptor Kindlin-3 in B cell homeostasis is studied. Comparing the individual steps of B cell development in B cell-specific Kindlin-3 or alpha4 integrin knockout mice, we found in both conditions a phenotype of reduced late immature, mature, and recirculating B cells in the bone marrow. In the spleen, constitutive B cell-specific Kindlin-3 knockout caused a loss of marginal zone B cells and an unexpected expansion of follicular B cells. Alpha4 integrin deficiency did not induce this phenotype. In Kindlin-3 knockout B cells VLA-4 as well as LFA-1-mediated adhesion was abrogated, and short-term homing of these cells in vivo was redirected to the spleen. Upon inducible Kindlin-3 knockout, marginal zone B cells were lost due to defective retention within 2 weeks, while follicular B cell numbers were unaltered. Kindlin-3 deficient follicular B cells displayed higher IgD, CD40, CD44, CXCR5, and EBI2 levels, and elevated PI3K signaling upon CXCR5 stimulation. They also showed transcriptional signatures of spontaneous follicular B cell activation. This activation manifested in scattered germinal centers in situ, early plasmablasts differentiation, and signs of IgG class switch.
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Affiliation(s)
- Andrea Härzschel
- Department of Internal Medicine I, Faculty of Medicine and Medical Center, University of Freiburg, Freiburg, Germany.,Department of Internal Medicine III with Hematology, Medical Oncology, Hemostaseology, Infectiology and Rheumatology, Oncologic Center, Salzburg Cancer Research Institute - Laboratory for Immunological and Molecular Cancer Research (SCRI-LIMCR), Paracelsus Medical University, Cancer Cluster Salzburg, Salzburg, Austria
| | - Lixia Li
- Department of Internal Medicine I, Faculty of Medicine and Medical Center, University of Freiburg, Freiburg, Germany
| | - Peter W Krenn
- Max Planck Institute of Biochemistry, Martinsried, Germany.,Department of Biosciences, Cancer Cluster Salzburg, Paris-Lodron University of Salzburg, Salzburg, Austria
| | - Eva Szenes-Nagy
- Department of Internal Medicine III with Hematology, Medical Oncology, Hemostaseology, Infectiology and Rheumatology, Oncologic Center, Salzburg Cancer Research Institute - Laboratory for Immunological and Molecular Cancer Research (SCRI-LIMCR), Paracelsus Medical University, Cancer Cluster Salzburg, Salzburg, Austria
| | - Geoffroy Andrieux
- Institute of Medical Bioinformatics and Systems Medicine, Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany.,German Cancer Consortium (DKTK) and German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Elisabeth Bayer
- Department of Internal Medicine III with Hematology, Medical Oncology, Hemostaseology, Infectiology and Rheumatology, Oncologic Center, Salzburg Cancer Research Institute - Laboratory for Immunological and Molecular Cancer Research (SCRI-LIMCR), Paracelsus Medical University, Cancer Cluster Salzburg, Salzburg, Austria
| | - Dietmar Pfeifer
- Department of Internal Medicine I, Faculty of Medicine and Medical Center, University of Freiburg, Freiburg, Germany
| | - Laura Polcik
- Department of Internal Medicine I, Faculty of Medicine and Medical Center, University of Freiburg, Freiburg, Germany
| | - Ursula Denk
- Department of Internal Medicine III with Hematology, Medical Oncology, Hemostaseology, Infectiology and Rheumatology, Oncologic Center, Salzburg Cancer Research Institute - Laboratory for Immunological and Molecular Cancer Research (SCRI-LIMCR), Paracelsus Medical University, Cancer Cluster Salzburg, Salzburg, Austria
| | - Jan P Höpner
- Department of Internal Medicine III with Hematology, Medical Oncology, Hemostaseology, Infectiology and Rheumatology, Oncologic Center, Salzburg Cancer Research Institute - Laboratory for Immunological and Molecular Cancer Research (SCRI-LIMCR), Paracelsus Medical University, Cancer Cluster Salzburg, Salzburg, Austria
| | - Elif Karabatak
- Department of Internal Medicine I, Faculty of Medicine and Medical Center, University of Freiburg, Freiburg, Germany
| | - Danielle-Justine Danner
- Department of Internal Medicine I, Faculty of Medicine and Medical Center, University of Freiburg, Freiburg, Germany
| | - Simone Tangermann
- Unit of Laboratory Animal Pathology, University of Veterinary Medicine, Vienna, Austria
| | - Lukas Kenner
- Unit of Laboratory Animal Pathology, University of Veterinary Medicine, Vienna, Austria.,Department of Clinical Pathology, Medical University Vienna, Vienna, Austria.,Department of Experimental Pathology and Laboratory Animal Science, Medical University of Vienna, Vienna, Austria.,Ludwig Boltzmann Institute for Cancer Research, Vienna, Austria
| | - Hassan Jumaa
- Institute of Immunology, Ulm University, Ulm, Germany
| | - Richard Greil
- Department of Internal Medicine III with Hematology, Medical Oncology, Hemostaseology, Infectiology and Rheumatology, Oncologic Center, Salzburg Cancer Research Institute - Laboratory for Immunological and Molecular Cancer Research (SCRI-LIMCR), Paracelsus Medical University, Cancer Cluster Salzburg, Salzburg, Austria
| | - Melanie Börries
- Institute of Medical Bioinformatics and Systems Medicine, Medical Center-University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany.,German Cancer Consortium (DKTK) and German Cancer Research Center (DKFZ), Heidelberg, Germany
| | | | | | - Tanja Nicole Hartmann
- Department of Internal Medicine I, Faculty of Medicine and Medical Center, University of Freiburg, Freiburg, Germany
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9
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Cuesta-Mateos C, Terrón F, Herling M. CCR7 in Blood Cancers - Review of Its Pathophysiological Roles and the Potential as a Therapeutic Target. Front Oncol 2021; 11:736758. [PMID: 34778050 PMCID: PMC8589249 DOI: 10.3389/fonc.2021.736758] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Accepted: 10/12/2021] [Indexed: 11/23/2022] Open
Abstract
According to the classical paradigm, CCR7 is a homing chemokine receptor that grants normal lymphocytes access to secondary lymphoid tissues such as lymph nodes or spleen. As such, in most lymphoproliferative disorders, CCR7 expression correlates with nodal or spleen involvement. Nonetheless, recent evidence suggests that CCR7 is more than a facilitator of lymphatic spread of tumor cells. Here, we review published data to catalogue CCR7 expression across blood cancers and appraise which classical and novel roles are attributed to this receptor in the pathogenesis of specific hematologic neoplasms. We outline why novel therapeutic strategies targeting CCR7 might provide clinical benefits to patients with CCR7-positive hematopoietic tumors.
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Affiliation(s)
- Carlos Cuesta-Mateos
- Immunology Department, Hospital Universitario de La Princesa, Instituto de Investigación Sanitaria- Instituto la Princesa (IIS-IP), Madrid, Spain.,Immunological and Medicinal Products (IMMED S.L.), Madrid, Spain.,Catapult Therapeutics BV, Lelystad, Netherlands
| | - Fernando Terrón
- Immunological and Medicinal Products (IMMED S.L.), Madrid, Spain.,Catapult Therapeutics BV, Lelystad, Netherlands
| | - Marco Herling
- Clinic of Hematology and Cellular Therapy, University of Leipzig, Leipzig, Germany
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10
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Cuesta-Mateos C, Brown JR, Terrón F, Muñoz-Calleja C. Of Lymph Nodes and CLL Cells: Deciphering the Role of CCR7 in the Pathogenesis of CLL and Understanding Its Potential as Therapeutic Target. Front Immunol 2021; 12:662866. [PMID: 33841445 PMCID: PMC8024566 DOI: 10.3389/fimmu.2021.662866] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Accepted: 03/09/2021] [Indexed: 01/13/2023] Open
Abstract
The lymph node (LN) is an essential tissue for achieving effective immune responses but it is also critical in the pathogenesis of chronic lymphocytic leukemia (CLL). Within the multitude of signaling pathways aberrantly regulated in CLL the homeostatic axis composed by the chemokine receptor CCR7 and its ligands is the main driver for directing immune cells to home into the LN. In this literature review, we address the roles of CCR7 in the pathophysiology of CLL, and how this chemokine receptor is of critical importance to develop more rational and effective therapies for this malignancy.
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Affiliation(s)
- Carlos Cuesta-Mateos
- Immunology Department, Hospital Universitario de La Princesa, Instituto de Investigación Sanitaria- Instituto de La Princesa (IIS-IP), Madrid, Spain.,IMMED S.L., Immunological and Medicinal Products, Madrid, Spain.,Catapult Therapeutics BV, Lelystad, Netherlands
| | - Jennifer R Brown
- Chronic Lymphocytic Leukemia (CLL) Center, Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA, United States
| | - Fernando Terrón
- IMMED S.L., Immunological and Medicinal Products, Madrid, Spain.,Catapult Therapeutics BV, Lelystad, Netherlands
| | - Cecilia Muñoz-Calleja
- Immunology Department, Hospital Universitario de La Princesa, Instituto de Investigación Sanitaria- Instituto de La Princesa (IIS-IP), Madrid, Spain.,School of Medicine, Universidad Autónoma de Madrid, Madrid, Spain
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11
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Cuesta-Mateos C, Juárez-Sánchez R, Mateu-Albero T, Loscertales J, Mol W, Terrón F, Muñoz-Calleja C. Targeting cancer homing into the lymph node with a novel anti-CCR7 therapeutic antibody: the paradigm of CLL. MAbs 2021; 13:1917484. [PMID: 33944659 PMCID: PMC8098074 DOI: 10.1080/19420862.2021.1917484] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2020] [Revised: 03/29/2021] [Accepted: 04/12/2021] [Indexed: 11/25/2022] Open
Abstract
Lymph node (LN) is a key tissue in the pathophysiology of mature blood cancers, especially for chronic lymphocytic leukemia (CLL). Within the multiple de-regulated pathways affecting CLL homeostasis, the CC-chemokine receptor 7 (CCR7) grants homing of CLL cells into the LN where protective environments foster tumor progression. To cover the lack of specific therapies targeting the CCR7-dependence of CLL to enter into the LN, and aiming to displace the disease from LN, we generated CAP-100, an antibody that specifically binds to hCCR7 and neutralizes its ligand-binding site and signaling. In various in vitro and in vivo preclinical models CAP-100 strongly inhibited CCR7-induced migration, extravasation, homing, and survival in CLL samples. Moreover, it triggered potent tumor cell killing, mediated by host immune mechanisms, and was effective in xenograft models of high-risk disease. Additionally, CAP-100 showed a favorable toxicity profile on relevant hematopoietic subsets. Our results validated CAP-100 as a novel therapeutic tool to prevent the access of CLL cells, and other neoplasia with nodal-dependence, into the LN niches, thus hitting a central hub in the pathogenesis of cancer. The first-in-human clinical trial (NCT04704323), which will evaluate this novel therapeutic approach in CLL patients, is pending.
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Affiliation(s)
- Carlos Cuesta-Mateos
- Immed S.L., Immunological and Medicinal Products, Madrid, Spain
- Catapult Therapeutics, Lelystad, The Netherlands
- Immunology Department, Hospital Universitario De La Princesa, IIS-IP, Madrid, Spain
| | - Raquel Juárez-Sánchez
- Immed S.L., Immunological and Medicinal Products, Madrid, Spain
- Immunology Department, Hospital Universitario De La Princesa, IIS-IP, Madrid, Spain
| | - Tamara Mateu-Albero
- Immunology Department, Hospital Universitario De La Princesa, IIS-IP, Madrid, Spain
| | - Javier Loscertales
- Hematology Department, Hospital Universitario De La Princesa, IIS-IP, Madrid, Spain
| | - Wim Mol
- Catapult Therapeutics, Lelystad, The Netherlands
- Pepscan, Lelystad, The Netherlands
| | - Fernando Terrón
- Immed S.L., Immunological and Medicinal Products, Madrid, Spain
- Catapult Therapeutics, Lelystad, The Netherlands
| | - Cecilia Muñoz-Calleja
- Immunology Department, Hospital Universitario De La Princesa, IIS-IP, Madrid, Spain
- Medicine Faculty, Universidad Autónoma De Madrid, Madrid, Spain
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12
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CD49d promotes disease progression in chronic lymphocytic leukemia: new insights from CD49d bimodal expression. Blood 2020; 135:1244-1254. [PMID: 32006000 DOI: 10.1182/blood.2019003179] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2019] [Accepted: 01/22/2020] [Indexed: 12/22/2022] Open
Abstract
CD49d is a remarkable prognostic biomarker of chronic lymphocytic leukemia (CLL). The cutoff value for the extensively validated 30% of positive CLL cells is able to separate CLL patients into 2 subgroups with different prognoses, but it does not consider the pattern of CD49d expression. In the present study, we analyzed a cohort of 1630 CLL samples and identified the presence of ∼20% of CLL cases (n = 313) characterized by a bimodal expression of CD49d, that is, concomitant presence of a CD49d+ subpopulation and a CD49d- subpopulation. At variance with the highly stable CD49d expression observed in CLL patients with a homogeneous pattern of CD49d expression, CD49d bimodal CLL showed a higher level of variability in sequential samples, and an increase in the CD49d+ subpopulation over time after therapy. The CD49d+ subpopulation from CD49d bimodal CLL displayed higher levels of proliferation compared with the CD49d- cells; and was more highly represented in the bone marrow compared with peripheral blood (PB), and in PB CLL subsets expressing the CXCR4dim/CD5bright phenotype, known to be enriched in proliferative cells. From a clinical standpoint, CLL patients with CD49d bimodal expression, regardless of whether the CD49d+ subpopulation exceeded the 30% cutoff or not, experienced clinical behavior similar to CD49d+ CLL, both in chemoimmunotherapy (n = 1522) and in ibrutinib (n = 158) settings. Altogether, these results suggest that CD49d can drive disease progression in CLL, and that the pattern of CD49d expression should also be considered to improve the prognostic impact of this biomarker in CLL.
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13
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Dubois N, Crompot E, Meuleman N, Bron D, Lagneaux L, Stamatopoulos B. Importance of Crosstalk Between Chronic Lymphocytic Leukemia Cells and the Stromal Microenvironment: Direct Contact, Soluble Factors, and Extracellular Vesicles. Front Oncol 2020; 10:1422. [PMID: 32974152 PMCID: PMC7466743 DOI: 10.3389/fonc.2020.01422] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2020] [Accepted: 07/06/2020] [Indexed: 12/14/2022] Open
Abstract
Chronic lymphocytic leukemia (CLL) is caused by the accumulation of malignant B cells due to a defect in apoptosis and the presence of small population of proliferating cells principally in the lymph nodes. The abnormal survival of CLL B cells is explained by a plethora of supportive stimuli produced by the surrounding cells of the microenvironment, including follicular dendritic cells (FDCs), and mesenchymal stromal cells (MSCs). This crosstalk between malignant cells and normal cells can take place directly by cell-to-cell contact (assisted by adhesion molecules such as VLA-4 or CD100), indirectly by soluble factors (chemokines such as CXCL12, CXCL13, or CCL2) interacting with their receptors or by the exchange of material (protein, microRNAs or long non-coding RNAs) via extracellular vesicles. These different communication methods lead to different activation pathways (including BCR and NFκB pathways), gene expression modifications (chemokines, antiapoptotic protein increase, prognostic biomarkers), chemotaxis, homing in lymphoid tissues and survival of leukemic cells. In addition, these interactions are bidirectional, and CLL cells can manipulate the normal surrounding stromal cells in different ways to establish a supportive microenvironment. Here, we review this complex crosstalk between CLL cells and stromal cells, focusing on the different types of interactions, activated pathways, treatment strategies to disrupt this bidirectional communication, and the prognostic impact of these induced modifications.
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Affiliation(s)
- Nathan Dubois
- Laboratory of Clinical Cell Therapy, ULB-Research Cancer Center (U-CRC), Jules Bordet Institute, Université Libre de Bruxelles (ULB), Brussels, Belgium
| | - Emerence Crompot
- Laboratory of Clinical Cell Therapy, ULB-Research Cancer Center (U-CRC), Jules Bordet Institute, Université Libre de Bruxelles (ULB), Brussels, Belgium
| | - Nathalie Meuleman
- Laboratory of Clinical Cell Therapy, ULB-Research Cancer Center (U-CRC), Jules Bordet Institute, Université Libre de Bruxelles (ULB), Brussels, Belgium.,Department of Hematology, Jules Bordet Institute, Brussels, Belgium
| | - Dominique Bron
- Laboratory of Clinical Cell Therapy, ULB-Research Cancer Center (U-CRC), Jules Bordet Institute, Université Libre de Bruxelles (ULB), Brussels, Belgium.,Department of Hematology, Jules Bordet Institute, Brussels, Belgium
| | - Laurence Lagneaux
- Laboratory of Clinical Cell Therapy, ULB-Research Cancer Center (U-CRC), Jules Bordet Institute, Université Libre de Bruxelles (ULB), Brussels, Belgium
| | - Basile Stamatopoulos
- Laboratory of Clinical Cell Therapy, ULB-Research Cancer Center (U-CRC), Jules Bordet Institute, Université Libre de Bruxelles (ULB), Brussels, Belgium
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14
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Mastelaro de Rezende M, Zenker Justo G, Julian Paredes-Gamero E, Gosens R. Wnt-5A/B Signaling in Hematopoiesis throughout Life. Cells 2020; 9:cells9081801. [PMID: 32751131 PMCID: PMC7465103 DOI: 10.3390/cells9081801] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Revised: 07/21/2020] [Accepted: 07/23/2020] [Indexed: 02/08/2023] Open
Abstract
Wnt signaling is well-known to play major roles in the hematopoietic system, from embryogenesis to aging and disease. In addition to the main β-catenin-dependent pathway, it is now clear that Wnt5a and the structurally related Wnt5b are essential for hematopoiesis, bone marrow colonization and the final steps of hematopoietic stem cell (HSC) maturation via β-catenin-independent signaling. Wnt5a and Wnt5b ligands prevent hematopoietic exhaustion (by maintaining quiescent, long-term HSCs), induce the proliferation of progenitors, and guide myeloid development, in addition to being involved in the development of aging-related alterations. The aim of this review is to summarize the current knowledge on these roles of Wnt5a and Wn5b signaling in the hematopoietic field.
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Affiliation(s)
- Marina Mastelaro de Rezende
- Departamento de Bioquímica, Universidade Federal de São Paulo (UNIFESP), São Paulo 04044-020, Brazil; (M.M.d.R.); (G.Z.J.); (E.J.P.-G.)
- Department of Molecular Pharmacology, University of Groningen, Groningen 9713 AV, The Netherlands
| | - Giselle Zenker Justo
- Departamento de Bioquímica, Universidade Federal de São Paulo (UNIFESP), São Paulo 04044-020, Brazil; (M.M.d.R.); (G.Z.J.); (E.J.P.-G.)
- Departamento de Ciências Farmacêuticas, Universidade Federal de São Paulo (UNIFESP), Diadema 09913-030, Brazil
| | - Edgar Julian Paredes-Gamero
- Departamento de Bioquímica, Universidade Federal de São Paulo (UNIFESP), São Paulo 04044-020, Brazil; (M.M.d.R.); (G.Z.J.); (E.J.P.-G.)
- Faculdade de Ciências Farmacêuticas, Universidade Federal de Mato Grosso do Sul, Campo Grande 79070-900, Brazil
| | - Reinoud Gosens
- Department of Molecular Pharmacology, University of Groningen, Groningen 9713 AV, The Netherlands
- Correspondence: ; Tel.: +31-50363-8177
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15
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Abstract
Background: We aimed to investigate ITGA4 gene expression pattern and to explore its methylation heterogeneity in chronic lymphocytic leukemia (CLL). Patients & methods: Eighty one CLL patients and 75 healthy subjects were enrolled and prognostic evaluation of patients was assessed. ITGA4 q-realtime PCR was performed using Applied Biosystems, TaqMan gene expression assay. ITGA4 gene-specific CpG methylation was investigated in real time using pyrosequencing technology. Results: ITGA4 was differentially expressed in CLL patients. The CpG sites-1, 2 and 3 showed significantly higher mean levels than healthy controls (p = <0.001, 0.007 and 0.009). Significant association between CpG site-1 and CLL has been detected using age-adjusted logistic regression (p < 0.001). Conclusion: Hypermethylation at ITGA4 gene CpG sites (1,2,3) is a characteristic feature in CLL. Chronic lymphocytic leukemia (CLL) is a clonal lymphoproliferative disorder that is characterized by heterogeneous presentation. The ITGA4 gene (CD49d) encodes a member of the integrin alpha chain family of proteins. With this study we aimed to investigate the ITGA4 gene expression by q-realtime PCR and to explore its methylation heterogeneity using pyrosequencing technology in CLL. We found that the ITGA4 gene was differentially expressed in CLL patients. A significant association between CpG site-1 and CLL has been detected using age-adjusted logistic regression analysis. Hypermethylation at ITGA4 gene CpG sites (1,2,3) is a characteristic feature in CLL when compared with healthy controls.
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16
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Bednarczyk M, Stege H, Grabbe S, Bros M. β2 Integrins-Multi-Functional Leukocyte Receptors in Health and Disease. Int J Mol Sci 2020; 21:E1402. [PMID: 32092981 PMCID: PMC7073085 DOI: 10.3390/ijms21041402] [Citation(s) in RCA: 60] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2020] [Revised: 02/11/2020] [Accepted: 02/14/2020] [Indexed: 12/25/2022] Open
Abstract
β2 integrins are heterodimeric surface receptors composed of a variable α (CD11a-CD11d) and a constant β (CD18) subunit and are specifically expressed by leukocytes. The α subunit defines the individual functional properties of the corresponding β2 integrin, but all β2 integrins show functional overlap. They mediate adhesion to other cells and to components of the extracellular matrix (ECM), orchestrate uptake of extracellular material like complement-opsonized pathogens, control cytoskeletal organization, and modulate cell signaling. This review aims to delineate the tremendous role of β2 integrins for immune functions as exemplified by the phenotype of LAD-I (leukocyte adhesion deficiency 1) patients that suffer from strong recurrent infections. These immune defects have been largely attributed to impaired migratory and phagocytic properties of polymorphonuclear granulocytes. The molecular base for this inherited disease is a functional impairment of β2 integrins due to mutations within the CD18 gene. LAD-I patients are also predisposed for autoimmune diseases. In agreement, polymorphisms within the CD11b gene have been associated with autoimmunity. Consequently, β2 integrins have received growing interest as targets in the treatment of autoimmune diseases. Moreover, β2 integrin activity on leukocytes has been implicated in tumor development.
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Affiliation(s)
| | | | | | - Matthias Bros
- Department of Dermatology, University Medical Center Mainz, Langenbeckstraße 1, 55131 Mainz, Germany; (M.B.); (H.S.); (S.G.)
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17
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Harjunpää H, Llort Asens M, Guenther C, Fagerholm SC. Cell Adhesion Molecules and Their Roles and Regulation in the Immune and Tumor Microenvironment. Front Immunol 2019; 10:1078. [PMID: 31231358 PMCID: PMC6558418 DOI: 10.3389/fimmu.2019.01078] [Citation(s) in RCA: 396] [Impact Index Per Article: 79.2] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2019] [Accepted: 04/29/2019] [Indexed: 12/14/2022] Open
Abstract
The immune system and cancer have a complex relationship with the immune system playing a dual role in tumor development. The effector cells of the immune system can recognize and kill malignant cells while immune system-mediated inflammation can also promote tumor growth and regulatory cells suppress the anti-tumor responses. In the center of all anti-tumor responses is the ability of the immune cells to migrate to the tumor site and to interact with each other and with the malignant cells. Cell adhesion molecules including receptors of the immunoglobulin superfamily and integrins are of crucial importance in mediating these processes. Particularly integrins play a vital role in regulating all aspects of immune cell function including immune cell trafficking into tissues, effector cell activation and proliferation and the formation of the immunological synapse between immune cells or between immune cell and the target cell both during homeostasis and during inflammation and cancer. In this review we discuss the molecular mechanisms regulating integrin function and the role of integrins and other cell adhesion molecules in immune responses and in the tumor microenvironment. We also describe how malignant cells can utilize cell adhesion molecules to promote tumor growth and metastases and how these molecules could be targeted in cancer immunotherapy.
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Affiliation(s)
- Heidi Harjunpää
- Research Program of Molecular and Integrative Biosciences, Faculty of Bio- and Environmental Sciences, University of Helsinki, Helsinki, Finland
| | - Marc Llort Asens
- Research Program of Molecular and Integrative Biosciences, Faculty of Bio- and Environmental Sciences, University of Helsinki, Helsinki, Finland
| | - Carla Guenther
- Research Program of Molecular and Integrative Biosciences, Faculty of Bio- and Environmental Sciences, University of Helsinki, Helsinki, Finland
| | - Susanna C Fagerholm
- Research Program of Molecular and Integrative Biosciences, Faculty of Bio- and Environmental Sciences, University of Helsinki, Helsinki, Finland
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18
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Redondo-Muñoz J, García-Pardo A, Teixidó J. Molecular Players in Hematologic Tumor Cell Trafficking. Front Immunol 2019; 10:156. [PMID: 30787933 PMCID: PMC6372527 DOI: 10.3389/fimmu.2019.00156] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2018] [Accepted: 01/17/2019] [Indexed: 12/20/2022] Open
Abstract
The trafficking of neoplastic cells represents a key process that contributes to progression of hematologic malignancies. Diapedesis of neoplastic cells across endothelium and perivascular cells is facilitated by adhesion molecules and chemokines, which act in concert to tightly regulate directional motility. Intravital microscopy provides spatio-temporal views of neoplastic cell trafficking, and is crucial for testing and developing therapies against hematologic cancers. Multiple myeloma (MM), chronic lymphocytic leukemia (CLL), and acute lymphoblastic leukemia (ALL) are hematologic malignancies characterized by continuous neoplastic cell trafficking during disease progression. A common feature of these neoplasias is the homing and infiltration of blood cancer cells into the bone marrow (BM), which favors growth and survival of the malignant cells. MM cells traffic between different BM niches and egress from BM at late disease stages. Besides the BM, CLL cells commonly home to lymph nodes (LNs) and spleen. Likewise, ALL cells also infiltrate extramedullary organs, such as the central nervous system, spleen, liver, and testicles. The α4β1 integrin and the chemokine receptor CXCR4 are key molecules for MM, ALL, and CLL cell trafficking into and out of the BM. In addition, the chemokine receptor CCR7 controls CLL cell homing to LNs, and CXCR4, CCR7, and CXCR3 contribute to ALL cell migration across endothelia and the blood brain barrier. Some of these receptors are used as diagnostic markers for relapse and survival in ALL patients, and their level of expression allows clinicians to choose the appropriate treatments. In CLL, elevated α4β1 expression is an established adverse prognostic marker, reinforcing its role in the disease expansion. Combining current chemotherapies with inhibitors of malignant cell trafficking could represent a useful therapy against these neoplasias. Moreover, immunotherapy using humanized antibodies, CAR-T cells, or immune check-point inhibitors together with agents targeting the migration of tumor cells could also restrict their survival. In this review, we provide a view of the molecular players that regulate the trafficking of neoplastic cells during development and progression of MM, CLL, and ALL, together with current therapies that target the malignant cells.
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Affiliation(s)
- Javier Redondo-Muñoz
- Department of Immunology, Ophthalmology and ERL, Hospital 12 de Octubre Health Research Institute (imas12), School of Medicine, Complutense University, Madrid, Spain.,Manchester Collaborative Centre for Inflammation Research, Lydia Becker Institute of Immunology and Inflammation, University of Manchester, Manchester, United Kingdom
| | - Angeles García-Pardo
- Department of Molecular Biomedicine, Centro de Investigaciones Biológicas (CSIC), Madrid, Spain
| | - Joaquin Teixidó
- Department of Molecular Biomedicine, Centro de Investigaciones Biológicas (CSIC), Madrid, Spain
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19
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Overexpression of CD49d in trisomy 12 chronic lymphocytic leukemia patients is mediated by IRF4 through induction of IKAROS. Leukemia 2019; 33:1278-1302. [DOI: 10.1038/s41375-018-0296-5] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2018] [Revised: 08/29/2018] [Accepted: 09/17/2018] [Indexed: 02/02/2023]
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20
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Zucchetto A, Tissino E, Chigaev A, Hartmann TN, Gattei V. Methods for Investigating VLA-4 (CD49d/CD29) Expression and Activation in Chronic Lymphocytic Leukemia and Its Clinical Applications. Methods Mol Biol 2019; 1881:101-112. [PMID: 30350200 DOI: 10.1007/978-1-4939-8876-1_8] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
The integrin heterodimer CD49d/CD29 (a.k.a. Very Late Antigen-4, VLA-4) mediates cell-cell and cell-matrix interaction through the binding of its ligands VCAM-1 and fibronectin. VLA-4 can be present on the cell surface at different conformation states that affect the binding affinity for the ligands. In chronic lymphocytic leukemia (CLL), higher VLA-4 levels, as determined by measuring the expression of CD49d chain by flow cytometry, have been demonstrated to associate with a worse prognosis, in keeping with the role of VLA-4 as key molecule favoring CLL cell localization in protective niches of bone marrow and lymph nodes. Given the emerging clinical relevance of VLA-4 evaluation in CLL, both in the setting of the conventional chemo-immunotherapy and the novel drugs targeting the BCR pathway, here we describe the flow cytometric approaches followed by us to quantify the CD49d expression levels and the VLA-4 activation status in CLL cells.
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Affiliation(s)
- Antonella Zucchetto
- Clinical and Experimental Onco-Hematology Unit, IRCCS CRO Aviano-National Cancer Institute, Aviano, Italy
| | - Erika Tissino
- Clinical and Experimental Onco-Hematology Unit, IRCCS CRO Aviano-National Cancer Institute, Aviano, Italy
| | - Alexander Chigaev
- Department of Pathology and Cancer Center, University of New Mexico, Albuquerque, NM, USA
| | - Tanja Nicole Hartmann
- Department of Internal Medicine Ill with Haematology, Medical Oncology, Haemostaseology, Infectiology and Rheumatology, Oncologic Center, Salzburg Cancer Research Institute, Salzburg, Austria
- Laboratory for Immunological and Molecular Cancer Research (SCRI-LIMCR), Paracelsus Medical University, Cancer Cluster Salzburg, Salzburg, Austria
| | - Valter Gattei
- Clinical and Experimental Onco-Hematology Unit, IRCCS CRO Aviano-National Cancer Institute, Aviano, Italy.
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21
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Karvonen H, Perttilä R, Niininen W, Barker H, Ungureanu D. Targeting Wnt signaling pseudokinases in hematological cancers. Eur J Haematol 2018; 101:457-465. [DOI: 10.1111/ejh.13137] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2018] [Accepted: 07/05/2018] [Indexed: 12/31/2022]
Affiliation(s)
- Hanna Karvonen
- BioMediTech Institute; University of Tampere; Tampere Finland
- Faculty of Medicine and Life Sciences; University of Tampere; Tampere Finland
| | - Robert Perttilä
- BioMediTech Institute; University of Tampere; Tampere Finland
- Faculty of Medicine and Life Sciences; University of Tampere; Tampere Finland
| | - Wilhelmiina Niininen
- BioMediTech Institute; University of Tampere; Tampere Finland
- Faculty of Medicine and Life Sciences; University of Tampere; Tampere Finland
| | - Harlan Barker
- Faculty of Medicine and Life Sciences; University of Tampere; Tampere Finland
| | - Daniela Ungureanu
- BioMediTech Institute; University of Tampere; Tampere Finland
- Faculty of Medicine and Life Sciences; University of Tampere; Tampere Finland
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22
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Microenvironment-induced CD44v6 promotes early disease progression in chronic lymphocytic leukemia. Blood 2018; 131:1337-1349. [PMID: 29352038 DOI: 10.1182/blood-2017-08-802462] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2017] [Accepted: 01/11/2018] [Indexed: 01/01/2023] Open
Abstract
Chronic lymphocytic leukemia (CLL) outgrowth depends on signals from the microenvironment. We have previously found that in vitro reconstitution of this microenvironment induces specific variant isoforms of the adhesion molecule CD44, which confer human CLL with high affinity to hyaluronan (HA). Here, we determined the in vivo contribution of standard CD44 and its variants to leukemic B-cell homing and proliferation in Tcl1 transgenic mice with a B-cell-specific CD44 deficiency. In these mice, leukemia onset was delayed and leukemic infiltration of spleen, liver, and lungs, but not of bone marrow, was decreased. Competitive transplantation revealed that CLL homing to spleen and bone marrow required functional CD44. Notably, enrichment of CD44v6 variants particularly in spleen enhanced CLL engraftment and proliferation, along with increased HA binding. We recapitulated CD44v6 induction in the human disease and revealed the involvement of MAPK and NF-κB signaling upon CD40 ligand and B-cell receptor stimulation by in vitro inhibition experiments and chromatin immunoprecipitation assays. The investigation of downstream signaling after CD44v6-HA engagement uncovered the activation of extracellular signal-regulated kinase and p65. Consequently, anti-CD44v6 treatment reduced leukemic cell proliferation in vitro in human and mouse, confirming the general nature of the findings. In summary, we propose a CD44-NF-κB-CD44v6 circuit in CLL, allowing tumor cells to gain HA binding capacity and supporting their proliferation.
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23
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Flores MA, Fortea P, Trinidad EM, García D, Soler G, Ortuño FJ, Zapata AG, Alonso-Colmenar LM. EphrinA4 plays a critical role in α4 and αL mediated survival of human CLL cells during extravasation. Oncotarget 2018; 7:48481-48500. [PMID: 27374180 PMCID: PMC5217033 DOI: 10.18632/oncotarget.10311] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2016] [Accepted: 06/08/2016] [Indexed: 11/25/2022] Open
Abstract
A role of endothelial cells in the survival of CLL cells during extravasation is presently unknown. Herein we show that CLL cells but not normal B cells can receive apoptotic signals through physical contact with TNF-α activated endothelium impairing survival in transendothelial migration (TEM) assays. In addition, the CLL cells of patients having lymphadenopathy (LApos) show a survival advantage during TEM that can be linked to increased expression of α4 and αL integrin chains. Within this context, ephrinA4 expressed on the surface of CLL cells sequestrates integrins and inactivates them resulting in reduced adhesion and inhibition of apoptotic/survival signals through them. In agreement, ephrinA4 silencing resulted in increased survival of CLL cells of LApos patients but not LA neg patients. Similarly was observed when a soluble ephrinA4 isoform was added to TEM assays strongly suggesting that accumulation of this isoform in the serum of LApos patients could contribute to CLL cells dissemination and survival in vivo. In supporting, CLL lymphadenopathies showed a preferential accumulation of apoptotic CLL cells around high endothelial venules lacking ephrinA4. Moreover, soluble ephrinA4 isolated from sera of patients increased the number and viability of CLL cells recovered from the lymph nodes of adoptively transferred mice. Finally, we present evidence suggesting that soluble ephrinA4 mediated survival during TEM could enhance a transcellular TEM route of the CLL cells. Together these findings point to an important role of ephrinA4 in the nodal dissemination of CLL cells governing extravasation and survival.
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Affiliation(s)
- Miguel A Flores
- Cytometry and Fluorescence Microscopy Research Center, Universidad Complutense de Madrid, 28040 Madrid, Spain.,Department of Cell Biology, Faculty of Biology, Universidad Complutense de Madrid, José Antonio Nováis, 2, 28040 Madrid, Spain
| | - Paula Fortea
- Cytometry and Fluorescence Microscopy Research Center, Universidad Complutense de Madrid, 28040 Madrid, Spain.,Department of Cell Biology, Faculty of Biology, Universidad Complutense de Madrid, José Antonio Nováis, 2, 28040 Madrid, Spain
| | - Eva M Trinidad
- Transformation and Metastasis Group, Cancer Epigenetic and Molecular Biology Program (PEBC), IDIBELL, 08908 Barcelona, Spain
| | - Dolores García
- Hematology and Medical Oncology Department, HGU Morales Meseguer, Marqués de los Velez, 30008 Murcia, Spain
| | - Gloria Soler
- Hematology and Medical Oncology Department, HGU Morales Meseguer, Marqués de los Velez, 30008 Murcia, Spain
| | - Francisco J Ortuño
- Hematology and Medical Oncology Department, HGU Morales Meseguer, Marqués de los Velez, 30008 Murcia, Spain
| | - Agustín G Zapata
- Cytometry and Fluorescence Microscopy Research Center, Universidad Complutense de Madrid, 28040 Madrid, Spain.,Department of Cell Biology, Faculty of Biology, Universidad Complutense de Madrid, José Antonio Nováis, 2, 28040 Madrid, Spain
| | - Luis M Alonso-Colmenar
- Cytometry and Fluorescence Microscopy Research Center, Universidad Complutense de Madrid, 28040 Madrid, Spain.,Department of Cell Biology, Faculty of Biology, Universidad Complutense de Madrid, José Antonio Nováis, 2, 28040 Madrid, Spain
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24
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Tissino E, Benedetti D, Herman SEM, Ten Hacken E, Ahn IE, Chaffee KG, Rossi FM, Dal Bo M, Bulian P, Bomben R, Bayer E, Härzschel A, Gutjahr JC, Postorino M, Santinelli E, Ayed A, Zaja F, Chiarenza A, Pozzato G, Chigaev A, Sklar LA, Burger JA, Ferrajoli A, Shanafelt TD, Wiestner A, Del Poeta G, Hartmann TN, Gattei V, Zucchetto A. Functional and clinical relevance of VLA-4 (CD49d/CD29) in ibrutinib-treated chronic lymphocytic leukemia. J Exp Med 2018; 215:681-697. [PMID: 29301866 PMCID: PMC5789417 DOI: 10.1084/jem.20171288] [Citation(s) in RCA: 61] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2017] [Revised: 10/20/2017] [Accepted: 11/28/2017] [Indexed: 01/02/2023] Open
Abstract
Tissino et al. demonstrate that in chronic lymphocytic leukemia, the VLA-4 (CD49d/CD29) integrin remains activable by B cell receptor stimulation also upon in vitro and in vivo ibrutinib exposure. Clinically, ibrutinib-treated CD49d-positive CLL patients experience reduced recirculation lymphocytosis and nodal response and inferior outcomes. The Bruton’s tyrosine kinase (BTK) inhibitor ibrutinib, which antagonizes B cell receptor (BCR) signals, demonstrates remarkable clinical activity in chronic lymphocytic leukemia (CLL). The lymphocytosis experienced by most patients under ibrutinib has previously been attributed to inhibition of BTK-dependent integrin and chemokine cues operating to retain the tumor cells in nodal compartments. Here, we show that the VLA-4 integrin, as expressed by CD49d-positive CLL, can be inside-out activated upon BCR triggering, thus reinforcing the adhesive capacities of CLL cells. In vitro and in vivo ibrutinib treatment, although reducing the constitutive VLA-4 activation and cell adhesion, can be overcome by exogenous BCR triggering in a BTK-independent manner involving PI3K. Clinically, in three independent ibrutinib-treated CLL cohorts, CD49d expression identifies cases with reduced lymphocytosis and inferior nodal response and behaves as independent predictor of shorter progression-free survival, suggesting the retention of CD49d-expressing CLL cells in tissue sites via activated VLA-4. Evaluation of CD49d expression should be incorporated in the characterization of CLL undergoing therapy with BCR inhibitors.
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Affiliation(s)
- Erika Tissino
- Clinical and Experimental Onco-Hematology Unit, CRO Aviano National Cancer Institute, Aviano, Italy
| | - Dania Benedetti
- Clinical and Experimental Onco-Hematology Unit, CRO Aviano National Cancer Institute, Aviano, Italy
| | - Sarah E M Herman
- Hematology Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD
| | - Elisa Ten Hacken
- Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - Inhye E Ahn
- Hematology Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD
| | | | - Francesca Maria Rossi
- Clinical and Experimental Onco-Hematology Unit, CRO Aviano National Cancer Institute, Aviano, Italy
| | - Michele Dal Bo
- Clinical and Experimental Onco-Hematology Unit, CRO Aviano National Cancer Institute, Aviano, Italy
| | - Pietro Bulian
- Clinical and Experimental Onco-Hematology Unit, CRO Aviano National Cancer Institute, Aviano, Italy
| | - Riccardo Bomben
- Clinical and Experimental Onco-Hematology Unit, CRO Aviano National Cancer Institute, Aviano, Italy
| | - Elisabeth Bayer
- Third Medical Department with Hematology, Medical Oncology, Hemostaseology, Infectious Diseases, and Rheumatology, Oncologic Center, Paracelsus Medical University, Salzburg, Austria.,Cancer Cluster Salzburg, Salzburg Cancer Research Institute-Laboratory for Immunological and Molecular Cancer Research, Salzburg, Austria
| | - Andrea Härzschel
- Third Medical Department with Hematology, Medical Oncology, Hemostaseology, Infectious Diseases, and Rheumatology, Oncologic Center, Paracelsus Medical University, Salzburg, Austria.,Cancer Cluster Salzburg, Salzburg Cancer Research Institute-Laboratory for Immunological and Molecular Cancer Research, Salzburg, Austria
| | - Julia Christine Gutjahr
- Third Medical Department with Hematology, Medical Oncology, Hemostaseology, Infectious Diseases, and Rheumatology, Oncologic Center, Paracelsus Medical University, Salzburg, Austria.,Cancer Cluster Salzburg, Salzburg Cancer Research Institute-Laboratory for Immunological and Molecular Cancer Research, Salzburg, Austria
| | | | - Enrico Santinelli
- Clinical and Experimental Onco-Hematology Unit, CRO Aviano National Cancer Institute, Aviano, Italy.,Division of Hematology, S. Eugenio Hospital and University of Tor Vergata, Rome, Italy
| | - Ayed Ayed
- Mayo Clinic College of Medicine, Rochester, MN
| | - Francesco Zaja
- Clinica Ematologica, Centro Trapianti e Terapie Cellulari "Carlo Melzi" DISM, Azienda Ospedaliera Universitaria S. Maria Misericordia, Udine, Italy
| | | | - Gabriele Pozzato
- Department of Internal Medicine and Hematology, Maggiore General Hospital, University of Trieste, Trieste, Italy
| | - Alexandre Chigaev
- Department of Pathology and Cancer Center, University of New Mexico, Albuquerque, NM
| | - Larry A Sklar
- Department of Pathology and Cancer Center, University of New Mexico, Albuquerque, NM
| | - Jan A Burger
- Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, TX
| | - Alessandra Ferrajoli
- Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, TX
| | | | - Adrian Wiestner
- Hematology Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD
| | - Giovanni Del Poeta
- Division of Hematology, S. Eugenio Hospital and University of Tor Vergata, Rome, Italy
| | - Tanja Nicole Hartmann
- Third Medical Department with Hematology, Medical Oncology, Hemostaseology, Infectious Diseases, and Rheumatology, Oncologic Center, Paracelsus Medical University, Salzburg, Austria.,Cancer Cluster Salzburg, Salzburg Cancer Research Institute-Laboratory for Immunological and Molecular Cancer Research, Salzburg, Austria
| | - Valter Gattei
- Clinical and Experimental Onco-Hematology Unit, CRO Aviano National Cancer Institute, Aviano, Italy
| | - Antonella Zucchetto
- Clinical and Experimental Onco-Hematology Unit, CRO Aviano National Cancer Institute, Aviano, Italy
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25
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Role of LFA-1 and ICAM-1 in Cancer. Cancers (Basel) 2017; 9:cancers9110153. [PMID: 29099772 PMCID: PMC5704171 DOI: 10.3390/cancers9110153] [Citation(s) in RCA: 75] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2017] [Revised: 10/23/2017] [Accepted: 10/23/2017] [Indexed: 12/30/2022] Open
Abstract
The lymphocyte function-associated antigen-1 (LFA-1) (also known as CD11a/CD18 and αLβ2), is just one of many integrins in the human body, but its significance is derived from its exclusive presence in leukocytes. In this review, we summarize the studies relating LFA-1 and its major ligand ICAM-1 (or CD54) with cancer, through the function of lymphocytes and myeloid cells on tumor cells. We consider how LFA-1 mediates the interaction of leukocytes with tumors and the role of ICAM-1 in tumor dynamics, which can be independent of its interaction with LFA-1. We also offer a more detailed examination of the role of LFA-1 within B-cell chronic lymphocytic leukemia. Finally, we discuss the role that exosomes harboring LFA-1 play in tumor growth and metastasis.
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26
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Tooze JA, Hamzic E, Willis F, Pettengell R. Differences between chronic lymphocytic leukaemia and small lymphocytic lymphoma cells by proteomic profiling and SNP microarray analysis. Cancer Genet 2017; 218-219:20-38. [PMID: 29153094 DOI: 10.1016/j.cancergen.2017.09.002] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2017] [Revised: 08/04/2017] [Accepted: 09/06/2017] [Indexed: 12/21/2022]
Abstract
The majority of malignant cells in chronic lymphocytic leukaemia (CLL) circulate in the peripheral blood whereas small lymphocytic lymphoma (SLL) cells reside in tissues. The aim of this study was to detect differences in chemokine receptor expression, DNA single nucleotide polymorphism (SNP) microarray analysis and proteomic profiling to help elucidate why the cells remain in their respective environments. We identified by flow cytometric studies of chemokine receptors and DNA SNP microarray analysis significant differences between cells from CLL and SLL patients. Proteomic analysis revealed two potential markers (m/z 3091 and 8707) to distinguish the two disorders. There was a significantly greater expression of leucocyte trafficking receptor CXCR3 (CD183) and migration and homing receptor CXCR4 (CD184), and significantly lower expression of cell adhesion molecule integrin α4 chain (CD49d), on CLL cells, compared with SLL cells. Conversely, SNP microarrays revealed greater numbers of copy-neutral loss of heterozygosity chromosomal aberrations, as well as gross chromosomal aberrations, in the SLL group, compared with the CLL group. These findings revealed that there was a significantly greater expression of trafficking, migration and homing receptors and significantly lower expression of adhesion molecules on CLL cells than on SLL cells, and that SLL may be a more progressive disease than CLL, with a more complex genotype.
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MESH Headings
- Aged
- Aged, 80 and over
- Biomarkers, Tumor/genetics
- Biomarkers, Tumor/metabolism
- Female
- Gene Expression Profiling/methods
- Humans
- Integrin alpha4/genetics
- Leukemia, Lymphocytic, Chronic, B-Cell/classification
- Leukemia, Lymphocytic, Chronic, B-Cell/diagnosis
- Leukemia, Lymphocytic, Chronic, B-Cell/genetics
- Leukemia, Lymphocytic, Chronic, B-Cell/metabolism
- Male
- Middle Aged
- Polymorphism, Single Nucleotide
- Proteomics/methods
- Receptors, CXCR3/genetics
- Receptors, CXCR4/genetics
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Affiliation(s)
- Jennifer A Tooze
- Department of Haematology, St George's University of London, Cranmer Terrace, London SW17 0RE, UK
| | - Edita Hamzic
- Department of Haematology, St George's University of London, Cranmer Terrace, London SW17 0RE, UK
| | - Fenella Willis
- Department of Haematology, St George's University of London, Cranmer Terrace, London SW17 0RE, UK
| | - Ruth Pettengell
- Department of Haematology, St George's University of London, Cranmer Terrace, London SW17 0RE, UK.
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27
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Whole exome sequencing in families with CLL detects a variant in Integrin β 2 associated with disease susceptibility. Blood 2016; 128:2261-2263. [PMID: 27629550 DOI: 10.1182/blood-2016-02-697771] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
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28
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BCR and chemokine responses upon anti-IgM and anti-IgD stimulation in chronic lymphocytic leukaemia. Ann Hematol 2016; 95:1979-1988. [PMID: 27542958 PMCID: PMC5093209 DOI: 10.1007/s00277-016-2788-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2016] [Accepted: 08/06/2016] [Indexed: 12/22/2022]
Abstract
Dysregulation of B cell receptor (BCR) signalling is a hallmark of chronic lymphocytic leukaemia (CLL) pathology, and targeting BCR pathway kinases has brought great therapeutic advances. Activation of the BCR in lymphoid organs has been associated with CLL cell proliferation and survival, leading to progressive disease. While these responses are mediated predominantly by IgM, the role of IgD is less clear. Seeking to uncover downstream consequences of individual and combined stimulation of the two BCR isotypes, we found an amplification of IgD expression and IgD-mediated calcium signalling by previous stimulation of IgM in CLL. Furthermore, no heterologous downmodulation of the isotypes, as observed in healthy donors, was present. Only marginal downregulation of the expression of various chemokine receptors by α-IgM and α-IgD stimulation was found as compared to normal B cells. Consistently, calcium responses of CLL cells to different chemokines were only weakly affected by preceding BCR activation. In contrast, migration towards the two homeostatic chemokines CXCL12 and CCL21 was differentially regulated by IgM and IgD. While IgM activation reduced migration of CLL cells towards CXCL12, but not CCL21, IgD activation predominantly impacted on CCL21 but not CXCL12-mediated chemotaxis. This indicates that the preference for one chemokine over the other may depend on the functional presence of the two isotypes in CLL. Inhibitors against the kinases Syk, Lyn, and Btk antagonised both BCR- and chemokine-induced calcium signals.
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29
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Gooden CE, Jones P, Bates R, Shallenberger WM, Surti U, Swerdlow SH, Roth CG. CD49d shows superior performance characteristics for flow cytometric prognostic testing in chronic lymphocytic leukemia/small lymphocytic lymphoma. CYTOMETRY PART B-CLINICAL CYTOMETRY 2016; 94:129-135. [PMID: 27221715 DOI: 10.1002/cyto.b.21384] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/06/2016] [Revised: 05/16/2016] [Accepted: 05/23/2016] [Indexed: 01/03/2023]
Abstract
BACKGROUND CD49d is emerging as a powerful adverse prognostic marker in chronic lymphocytic leukemia/small lymphocytic lymphoma (CLL/SLL). However, flow cytometric testing for CD49d has not yet been widely adopted in the United States, in part due to the lack of establishment of its performance characteristics in the clinical setting, especially in comparison with the more common CLL/SLL prognostic markers CD38 and ZAP-70. METHODS CD49d expression levels in 124 CLL/SLL cases were assessed among peripheral blood (PB), bone marrow (BM), and lymph node (LN) specimens and correlated with available CD38 and ZAP-70 expression and cytogenetic findings. For 10 PB/BM specimens, the stability of CD49d, CD38, and ZAP-70 expression was assessed at <24 hours, 48 hours, 72 hours, and 96 hours. RESULTS 39% (28 of 71) PB, 56% (18 of 32) BM, and 71% (15 of 21) LN involved by CLL/SLL were CD49d+, using a ≥30% threshold. The mean for the CD49d+ cases was 2.8 standard deviations (SD) above the cutoff for positivity, compared with 1.7 SD for CD38 and 1.1 SD for ZAP-70. CD49d demonstrated the lowest mean SD (0.91) and coefficient of variation (CV) (8.0%) compared with CD38 (SD = 2.1, CV = 10.4%) and ZAP-70 (SD = 9.8, CV = 40.5%) in stability studies over a 96-hours time period. CD49d+ CLL/SLL correlated with trisomy 12 (P = 0.025) and lack of isolated deletion (13q) (P = 0.005). CD38+ CLL/SLL correlated with deletion (11q) (P = 0.025). ZAP-70 did not correlate with any underlying cytogenetic abnormality. CONCLUSIONS CD49d is a robust adverse prognostic marker in CLL/SLL with superior performance characteristics. © 2016 International Clinical Cytometry Society.
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Affiliation(s)
- Casey E Gooden
- Department of Pathology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | - Patricia Jones
- Department of Pathology, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania
| | - Ruth Bates
- Department of Pathology, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania
| | - Wendy M Shallenberger
- Department of Pathology, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania
| | - Urvashi Surti
- Department of Pathology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | - Steven H Swerdlow
- Department of Pathology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | - Christine G Roth
- Department of Pathology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania.,Department of Pathology and Immunology, Baylor College of Medicine, Houston, Texas
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30
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Ganghammer S, Hutterer E, Hinterseer E, Brachtl G, Asslaber D, Krenn PW, Girbl T, Berghammer P, Geisberger R, Egle A, Zucchetto A, Kruschinski A, Gattei V, Chigaev A, Greil R, Hartmann TN. CXCL12-induced VLA-4 activation is impaired in trisomy 12 chronic lymphocytic leukemia cells: a role for CCL21. Oncotarget 2016; 6:12048-60. [PMID: 25895128 PMCID: PMC4494922 DOI: 10.18632/oncotarget.3660] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2015] [Accepted: 02/27/2015] [Indexed: 12/18/2022] Open
Abstract
Homing to distinct lymphoid organs enables chronic lymphocytic leukemia (CLL) cells to receive pro-survival and proliferative signals. Cytogenetic aberrations can significantly affect CLL cell compartmentalization. Trisomy 12 (tri12) defines a CLL subgroup with specific clinical features and increased levels of the negative prognostic marker CD49d, the α4-subunit of the integrin VLA-4, which is a key regulator of CLL cell homing to bone marrow (BM). Chemokine-induced inside-out VLA-4 activation, particularly via the CXCL12-CXCR4 axis, increases the arrest of various cell types on VCAM-1 presenting endothelium. Here, we demonstrate that high CD49d expression in tri12 CLL is accompanied by decreased CXCR4 expression. Dissecting functional consequences of these alterations, we observed that tri12 CLL cell homing to murine BM is not affected by CXCR4-CXCL12 blockage using AMD3100 or olaptesed pegol/NOX-A12. In line, CCL21-CCR7 rather than CXCL12-CXCR4 interactions triggered VLA-4-mediated arrests of tri12 CLL cells to VCAM-1 under blood flow conditions. Concordantly, in real-time kinetic analyses we found CCL21 but not CXCL12 being capable to induce inside-out VLA-4 conformational changes in this CLL subgroup. Our results provide novel insights into the peculiar clinico-biological behaviour of tri12 CLL and emphasize its specific chemokine and integrin utilization during pathophysiologically and therapeutically relevant interactions with the microenvironment.
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Affiliation(s)
- Sylvia Ganghammer
- Laboratory for Immunological and Molecular Cancer Research, 3rd Medical Department with Hematology, Medical Oncology, Hemostaseology, Infectious Diseases and Rheumatology, Oncologic Center, Paracelsus Medical University Salzburg, Austria.,Salzburg Cancer Research Institute, Salzburg, Austria
| | - Evelyn Hutterer
- Laboratory for Immunological and Molecular Cancer Research, 3rd Medical Department with Hematology, Medical Oncology, Hemostaseology, Infectious Diseases and Rheumatology, Oncologic Center, Paracelsus Medical University Salzburg, Austria.,Salzburg Cancer Research Institute, Salzburg, Austria
| | - Elisabeth Hinterseer
- Laboratory for Immunological and Molecular Cancer Research, 3rd Medical Department with Hematology, Medical Oncology, Hemostaseology, Infectious Diseases and Rheumatology, Oncologic Center, Paracelsus Medical University Salzburg, Austria.,Salzburg Cancer Research Institute, Salzburg, Austria
| | - Gabriele Brachtl
- Laboratory for Immunological and Molecular Cancer Research, 3rd Medical Department with Hematology, Medical Oncology, Hemostaseology, Infectious Diseases and Rheumatology, Oncologic Center, Paracelsus Medical University Salzburg, Austria.,Salzburg Cancer Research Institute, Salzburg, Austria
| | - Daniela Asslaber
- Laboratory for Immunological and Molecular Cancer Research, 3rd Medical Department with Hematology, Medical Oncology, Hemostaseology, Infectious Diseases and Rheumatology, Oncologic Center, Paracelsus Medical University Salzburg, Austria.,Salzburg Cancer Research Institute, Salzburg, Austria
| | - Peter William Krenn
- Laboratory for Immunological and Molecular Cancer Research, 3rd Medical Department with Hematology, Medical Oncology, Hemostaseology, Infectious Diseases and Rheumatology, Oncologic Center, Paracelsus Medical University Salzburg, Austria.,Salzburg Cancer Research Institute, Salzburg, Austria
| | - Tamara Girbl
- Laboratory for Immunological and Molecular Cancer Research, 3rd Medical Department with Hematology, Medical Oncology, Hemostaseology, Infectious Diseases and Rheumatology, Oncologic Center, Paracelsus Medical University Salzburg, Austria.,Salzburg Cancer Research Institute, Salzburg, Austria
| | - Petra Berghammer
- Laboratory for Immunological and Molecular Cancer Research, 3rd Medical Department with Hematology, Medical Oncology, Hemostaseology, Infectious Diseases and Rheumatology, Oncologic Center, Paracelsus Medical University Salzburg, Austria.,Salzburg Cancer Research Institute, Salzburg, Austria
| | - Roland Geisberger
- Laboratory for Immunological and Molecular Cancer Research, 3rd Medical Department with Hematology, Medical Oncology, Hemostaseology, Infectious Diseases and Rheumatology, Oncologic Center, Paracelsus Medical University Salzburg, Austria.,Salzburg Cancer Research Institute, Salzburg, Austria
| | - Alexander Egle
- Laboratory for Immunological and Molecular Cancer Research, 3rd Medical Department with Hematology, Medical Oncology, Hemostaseology, Infectious Diseases and Rheumatology, Oncologic Center, Paracelsus Medical University Salzburg, Austria.,Salzburg Cancer Research Institute, Salzburg, Austria
| | - Antonella Zucchetto
- Clinical and Experimental Onco-Hematology Unit, Centro di Riferimento Oncologico, Aviano, Italy
| | | | - Valter Gattei
- Clinical and Experimental Onco-Hematology Unit, Centro di Riferimento Oncologico, Aviano, Italy
| | - Alexandre Chigaev
- Department of Pathology and Cancer Center, University of New Mexico, Albuquerque, NM, USA
| | - Richard Greil
- Laboratory for Immunological and Molecular Cancer Research, 3rd Medical Department with Hematology, Medical Oncology, Hemostaseology, Infectious Diseases and Rheumatology, Oncologic Center, Paracelsus Medical University Salzburg, Austria.,Salzburg Cancer Research Institute, Salzburg, Austria
| | - Tanja Nicole Hartmann
- Laboratory for Immunological and Molecular Cancer Research, 3rd Medical Department with Hematology, Medical Oncology, Hemostaseology, Infectious Diseases and Rheumatology, Oncologic Center, Paracelsus Medical University Salzburg, Austria.,Salzburg Cancer Research Institute, Salzburg, Austria
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31
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Savvopoulos S, Misener R, Panoskaltsis N, Pistikopoulos EN, Mantalaris A. A Personalized Framework for Dynamic Modeling of Disease Trajectories in Chronic Lymphocytic Leukemia. IEEE Trans Biomed Eng 2016; 63:2396-2404. [PMID: 26929022 DOI: 10.1109/tbme.2016.2533658] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
Chronic lymphocytic leukemia (CLL) is the most common peripheral blood and bone marrow cancer in the developed world. This manuscript proposes mathematical model equations representing the disease dynamics of B-cell CLL. We interconnect delay differential cell cycle models in each of the tumor-involved disease centers using physiologically relevant cell migration. We further introduce five hypothetical case studies representing CLL heterogeneity commonly seen in clinical practice and demonstrate how the proposed CLL model framework may capture disease pathophysiology across patient types. We conclude by exploring the capacity of the proposed temporally- and spatially distributed model to capture the heterogeneity of CLL disease progression. By using global sensitivity analysis, the critical parameters influencing disease trajectory over space and time are: 1) the initial number of CLL cells in peripheral blood, the number of involved lymph nodes, the presence and degree of splenomegaly; 2) the migratory fraction of nonproliferating as well as proliferating CLL cells from bone marrow into blood and of proliferating CLL cells from blood into lymph nodes; and 3) the parameters inducing nonproliferative cells to proliferate. The proposed model offers a practical platform that may be explored in future personalized patient protocols once validated.
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Kamel AM, El-Sharkawy NM, Osman RA, Abd El-Fattah EK, El-Noshokaty E, Abd El-Hamid T, Kandeel EZ. Adhesion molecules expression in CLL: Potential impact on clinical and hematological parameters. J Egypt Natl Canc Inst 2016; 28:31-7. [PMID: 26873628 DOI: 10.1016/j.jnci.2016.01.003] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2015] [Revised: 01/09/2016] [Accepted: 01/12/2016] [Indexed: 11/24/2022] Open
Abstract
BACKGROUND B-cell chronic lymphocytic leukemia (CLL) is marked by the accumulation of CD5+ B lymphocytes within the blood, bone marrow (BM), and secondary lymphoid tissues. Abnormalities in the expression and function of cell adhesion molecules may account for the patterns of intra-nodal growth and hematogenous spread of the malignant cells. Chemokines and integrin-mediated adhesion and trans-endothelial migration (TEM) are central aspects in trafficking and retention of hematopoietic cells in the BM and lymphoid organs. AIM OF THE WORK This work was conducted to study adhesion molecules status in CLL and its potential impact on both hematological and clinical parameters. PATIENTS AND METHODS The study included 78 newly diagnosed CLL patients. Immunophenotyping was performed on peripheral blood using the chronic lymphoid panel. Adhesion molecules (CD11a, CD11b, CD49d, CD49C, CD29 and CD38) were tested using monoclonal antibodies and analyzed by Flow Cytometry. RESULTS Positive correlation was encountered between adhesion molecules: CD38 with CD49d (r=0.25, p=0.028), CD11a with CD11b, CD49d and CD29 (r=0.394, p=0.001; r=0.441, p=<0.01 and r=0.446, p<0.01 respectively) and CD29 with CD49c and CD49d (r=0.437, p<0.01; r=0.674, p<0.01 respectively). CD49c showed negative correlation with Rai staging (r=-0.269, p=0.033). CD11a and CD29 showed a significant relation with splenomegaly (p=0.04 and 0.03 respectively) and CD49d showed a significant relation with lymphadenopathy (p=0.02). CONCLUSION The level of different adhesion molecules expression in CLL is apparently reflected on the potential migratory behavior of the leukemic cells to different organs.
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Affiliation(s)
- Azza M Kamel
- Clinical Pathology Department, NCI, Cairo University, Fom El-Khalig Square, Kasr El-Aini St., Cairo 11796, Egypt.
| | - Nahla M El-Sharkawy
- Clinical Pathology Department, NCI, Cairo University, Fom El-Khalig Square, Kasr El-Aini St., Cairo 11796, Egypt.
| | - Randa A Osman
- Clinical Pathology Department, NCI, Cairo University, Fom El-Khalig Square, Kasr El-Aini St., Cairo 11796, Egypt.
| | - Eman K Abd El-Fattah
- Clinical Pathology Department, NCI, Cairo University, Fom El-Khalig Square, Kasr El-Aini St., Cairo 11796, Egypt.
| | - Essam El-Noshokaty
- Clinical Pathology Department, NCI, Cairo University, Fom El-Khalig Square, Kasr El-Aini St., Cairo 11796, Egypt.
| | - Thoraya Abd El-Hamid
- Medical Oncology Department, NCI, Cairo University, Fom El-Khalig Square, Kasr El-Aini St., Cairo 11796, Egypt.
| | - Eman Z Kandeel
- Clinical Pathology Department, NCI, Cairo University, Fom El-Khalig Square, Kasr El-Aini St., Cairo 11796, Egypt.
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33
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Krenn PW, Hofbauer SW, Pucher S, Hutterer E, Hinterseer E, Denk U, Asslaber D, Ganghammer S, Sternberg C, Neureiter D, Aberger F, Wickström SA, Egle A, Greil R, Hartmann TN. ILK Induction in Lymphoid Organs by a TNFα-NF-κB-Regulated Pathway Promotes the Development of Chronic Lymphocytic Leukemia. Cancer Res 2016; 76:2186-96. [PMID: 26837762 DOI: 10.1158/0008-5472.can-15-3379] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2015] [Accepted: 01/18/2016] [Indexed: 11/16/2022]
Abstract
The proliferation of chronic lymphocytic leukemia (CLL) cells requires communication with the lymphoid organ microenvironment. Integrin-linked kinase (ILK) is a multifunctional intracellular adaptor protein that transmits extracellular signals to regulate malignant cell motility, metastasis, and cell-cycle progression, but is poorly characterized in hematologic malignancies. In this study, we investigated the role of ILK in the context of CLL and observed high ILK expression in patient samples, particularly in tumor cells harboring prognostic high-risk markers such as unmutated IGHV genes, high Zap70, or CD38 expression, or a signature of recent proliferation. We also found increased numbers of Ki67 (MKI67)-positive cells in regions of enhanced ILK expression in lymph nodes from CLL patients. Using coculture conditions mimicking the proliferative lymph node microenvironment, we detected a parallel induction of ILK and cyclin D1 (CCND1) expression in CLL cells that was dependent on the activation of NF-κB signaling by soluble TNFα. The newly synthesized ILK protein colocalized to centrosomal structures and was required for correct centrosome clustering and mitotic spindle organization. Furthermore, we established a mouse model of CLL in which B-cell-specific genetic ablation of ILK resulted in decelerated leukemia development due to reduced organ infiltration and proliferation of CLL cells. Collectively, our findings describe a TNFα-NF-κB-mediated mechanism by which ILK expression is induced in the lymph node microenvironment and propose that ILK promotes leukemogenesis by enabling CLL cells to cope with centrosomal defects acquired during malignant transformation. Cancer Res; 76(8); 2186-96. ©2016 AACR.
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Affiliation(s)
- Peter W Krenn
- Third Medical Department with Hematology, Medical Oncology, Hemostaseology, Infectious Diseases, and Rheumatology, Laboratory for Immunological and Molecular Cancer Research, Oncologic Center, Paracelsus Medical University, Salzburg, Austria. Salzburg Cancer Research Institute, Salzburg, Austria
| | - Sebastian W Hofbauer
- Third Medical Department with Hematology, Medical Oncology, Hemostaseology, Infectious Diseases, and Rheumatology, Laboratory for Immunological and Molecular Cancer Research, Oncologic Center, Paracelsus Medical University, Salzburg, Austria. Salzburg Cancer Research Institute, Salzburg, Austria
| | - Susanne Pucher
- Third Medical Department with Hematology, Medical Oncology, Hemostaseology, Infectious Diseases, and Rheumatology, Laboratory for Immunological and Molecular Cancer Research, Oncologic Center, Paracelsus Medical University, Salzburg, Austria. Salzburg Cancer Research Institute, Salzburg, Austria
| | - Evelyn Hutterer
- Third Medical Department with Hematology, Medical Oncology, Hemostaseology, Infectious Diseases, and Rheumatology, Laboratory for Immunological and Molecular Cancer Research, Oncologic Center, Paracelsus Medical University, Salzburg, Austria. Salzburg Cancer Research Institute, Salzburg, Austria
| | - Elisabeth Hinterseer
- Third Medical Department with Hematology, Medical Oncology, Hemostaseology, Infectious Diseases, and Rheumatology, Laboratory for Immunological and Molecular Cancer Research, Oncologic Center, Paracelsus Medical University, Salzburg, Austria. Salzburg Cancer Research Institute, Salzburg, Austria
| | - Ursula Denk
- Third Medical Department with Hematology, Medical Oncology, Hemostaseology, Infectious Diseases, and Rheumatology, Laboratory for Immunological and Molecular Cancer Research, Oncologic Center, Paracelsus Medical University, Salzburg, Austria. Salzburg Cancer Research Institute, Salzburg, Austria
| | - Daniela Asslaber
- Third Medical Department with Hematology, Medical Oncology, Hemostaseology, Infectious Diseases, and Rheumatology, Laboratory for Immunological and Molecular Cancer Research, Oncologic Center, Paracelsus Medical University, Salzburg, Austria. Salzburg Cancer Research Institute, Salzburg, Austria
| | - Sylvia Ganghammer
- Third Medical Department with Hematology, Medical Oncology, Hemostaseology, Infectious Diseases, and Rheumatology, Laboratory for Immunological and Molecular Cancer Research, Oncologic Center, Paracelsus Medical University, Salzburg, Austria. Salzburg Cancer Research Institute, Salzburg, Austria
| | - Christina Sternberg
- Department of Molecular Biology, Division of Molecular Tumor Biology, University of Salzburg, Salzburg, Austria
| | - Daniel Neureiter
- Institute of Pathology, Paracelsus Medical University, Salzburg, Austria
| | - Fritz Aberger
- Department of Molecular Biology, Division of Molecular Tumor Biology, University of Salzburg, Salzburg, Austria
| | - Sara A Wickström
- Paul Gerson Unna Group 'Skin Homeostasis and Ageing,' Max Planck Institute for Biology of Ageing, Cologne, Germany
| | - Alexander Egle
- Third Medical Department with Hematology, Medical Oncology, Hemostaseology, Infectious Diseases, and Rheumatology, Laboratory for Immunological and Molecular Cancer Research, Oncologic Center, Paracelsus Medical University, Salzburg, Austria. Salzburg Cancer Research Institute, Salzburg, Austria
| | - Richard Greil
- Third Medical Department with Hematology, Medical Oncology, Hemostaseology, Infectious Diseases, and Rheumatology, Laboratory for Immunological and Molecular Cancer Research, Oncologic Center, Paracelsus Medical University, Salzburg, Austria. Salzburg Cancer Research Institute, Salzburg, Austria
| | - Tanja N Hartmann
- Third Medical Department with Hematology, Medical Oncology, Hemostaseology, Infectious Diseases, and Rheumatology, Laboratory for Immunological and Molecular Cancer Research, Oncologic Center, Paracelsus Medical University, Salzburg, Austria. Salzburg Cancer Research Institute, Salzburg, Austria.
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Martínez-Moreno M, Leiva M, Aguilera-Montilla N, Sevilla-Movilla S, Isern de Val S, Arellano-Sánchez N, Gutiérrez NC, Maldonado R, Martínez-López J, Buño I, García-Marco JA, Sánchez-Mateos P, Hidalgo A, García-Pardo A, Teixidó J. In vivo adhesion of malignant B cells to bone marrow microvasculature is regulated by α4β1 cytoplasmic-binding proteins. Leukemia 2015; 30:861-72. [PMID: 26658839 DOI: 10.1038/leu.2015.332] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2015] [Revised: 10/23/2015] [Accepted: 11/24/2015] [Indexed: 12/14/2022]
Abstract
Multiple myeloma (MM) and chronic lymphocytic leukemia (CLL) cells must attach to the bone marrow (BM) microvasculature before lodging in the BM microenvironment. Using intravital microscopy (IVM) of the BM calvariae we demonstrate that the α4β1 integrin is required for MM and CLL cell firm arrest onto the BM microvasculature, while endothelial P-selectin and E-selectin mediate cell rolling. Talin, kindlin-3 and ICAP-1 are β1-integrin-binding partners that regulate β1-mediated cell adhesion. We show that talin and kindlin-3 cooperatively stimulate high affinity and strength of α4β1-dependent MM and CLL cell attachment, whereas ICAP-1 negatively regulates this adhesion. A functional connection between talin/kindlin-3 and Rac1 was found to be required for MM cell attachment mediated by α4β1. Importantly, IVM analyses with talin- and kindlin-3-silenced MM cells indicate that these proteins are needed for cell arrest on the BM microvasculature. Instead, MM cell arrest is repressed by ICAP-1. Moreover, MM cells silenced for talin and kindlin-3, and cultured on α4β1 ligands showed higher susceptibility to bortezomib-mediated cell apoptosis. Our results highlight the requirement of α4β1 and selectins for the in vivo attachment of MM and CLL cells to the BM microvasculature, and indicate that talin, kindlin-3 and ICAP-1 differentially control physiological adhesion by regulating α4β1 activity.
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Affiliation(s)
- M Martínez-Moreno
- Department of Cellular and Molecular Medicine, Centro de Investigaciones Biológicas (CSIC), Madrid, Spain
| | - M Leiva
- Area of Cell and Developmental Biology, Fundación Centro Nacional de Investigaciones Cardiovasculares, Madrid, Spain
| | - N Aguilera-Montilla
- Department of Cellular and Molecular Medicine, Centro de Investigaciones Biológicas (CSIC), Madrid, Spain
| | - S Sevilla-Movilla
- Department of Cellular and Molecular Medicine, Centro de Investigaciones Biológicas (CSIC), Madrid, Spain
| | - S Isern de Val
- Department of Cellular and Molecular Medicine, Centro de Investigaciones Biológicas (CSIC), Madrid, Spain
| | - N Arellano-Sánchez
- Department of Cellular and Molecular Medicine, Centro de Investigaciones Biológicas (CSIC), Madrid, Spain
| | - N C Gutiérrez
- Department of Hematology, Hospital Universitario de Salamanca, Salamanca, Spain
| | - R Maldonado
- Section of Hematology, Hospital Universitario 12 de Octubre, Madrid, Spain
| | - J Martínez-López
- Section of Hematology, Hospital Universitario 12 de Octubre, Madrid, Spain
| | - I Buño
- Section of Hematology, Hospital General Universitario Gregorio Marañón, Instituto de Investigación Sanitaria Gregorio Marañón, Madrid, Spain
| | - J A García-Marco
- Hematology Unit, Hospital Universitario Puerta de Hierro, Madrid, Spain
| | - P Sánchez-Mateos
- Section of Immuno-Oncology, Hospital General Universitario Gregorio Marañón, Complutense University School of Medicine, Madrid, Spain
| | - A Hidalgo
- Area of Cell and Developmental Biology, Fundación Centro Nacional de Investigaciones Cardiovasculares, Madrid, Spain.,Institute for Cardiovascular Prevention, Ludwig-Maximilians-University, Munich, Germany
| | - A García-Pardo
- Department of Cellular and Molecular Medicine, Centro de Investigaciones Biológicas (CSIC), Madrid, Spain
| | - J Teixidó
- Department of Cellular and Molecular Medicine, Centro de Investigaciones Biológicas (CSIC), Madrid, Spain
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35
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Patrussi L, Capitani N, Martini V, Pizzi M, Trimarco V, Frezzato F, Marino F, Semenzato G, Trentin L, Baldari CT. Enhanced Chemokine Receptor Recycling and Impaired S1P1 Expression Promote Leukemic Cell Infiltration of Lymph Nodes in Chronic Lymphocytic Leukemia. Cancer Res 2015; 75:4153-63. [PMID: 26282174 DOI: 10.1158/0008-5472.can-15-0986] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2015] [Accepted: 07/19/2015] [Indexed: 11/16/2022]
Abstract
Lymphocyte trafficking is orchestrated by chemokine and sphingosine 1-phosphate (S1P) receptors that enable homing and egress from secondary lymphoid organs (SLO). These receptors undergo rapid internalization and plasma membrane recycling to calibrate cellular responses to local chemoattractants. Circulating chronic lymphocytic leukemia (CLL) cells display an abnormal increase in the surface levels of the homing receptors CCR7 and CXCR4 concomitant with low S1P receptor 1 (S1P1) expression. In this study, we investigated the role of receptor recycling on CXCR4/CCR7 surface levels in CLL cells and addressed the impact of quantitative alterations of these receptors and S1P1 on the ability of leukemic cells to accumulate in SLOs. We show that recycling accounts, to a major extent, for the high levels of surface CXCR4/CCR7 on CLL cells. In addition, increased expression of these receptors, together with S1P1 deficiency, is detectable not only in circulating leukemic cells, but also in SLOs of CLL patients with lymphoadenopathy. We further provide evidence that ibrutinib, a Btk inhibitor that promotes mobilization of leukemic cells from SLOs, normalizes the imbalance between CXCR4/CCR7 and S1P1. Taken together, our results highlight the relevance of chemokine and S1P receptor recycling in CLL pathogenesis and clinical outcome.
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MESH Headings
- B-Lymphocytes/metabolism
- B-Lymphocytes/pathology
- Chemotaxis/physiology
- Endosomes/metabolism
- Germinal Center/metabolism
- Germinal Center/pathology
- Humans
- Leukemia, Lymphocytic, Chronic, B-Cell/pathology
- Leukemic Infiltration/physiopathology
- Lymph Nodes/pathology
- Lymphoid Tissue/metabolism
- Lymphoid Tissue/pathology
- Membrane Proteins/metabolism
- Neoplasm Proteins/deficiency
- Neoplasm Proteins/genetics
- Neoplasm Proteins/metabolism
- RNA, Messenger/biosynthesis
- RNA, Messenger/genetics
- RNA, Neoplasm/biosynthesis
- RNA, Neoplasm/genetics
- Receptors, CCR7/genetics
- Receptors, CCR7/metabolism
- Receptors, CXCR4/genetics
- Receptors, CXCR4/metabolism
- Receptors, Lymphocyte Homing/metabolism
- Receptors, Lysosphingolipid/deficiency
- Receptors, Lysosphingolipid/genetics
- Receptors, Lysosphingolipid/metabolism
- Sphingosine-1-Phosphate Receptors
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Affiliation(s)
- Laura Patrussi
- Department of Life Sciences, University of Siena, Siena, Italy. Istituto Toscano Tumori, Siena, Italy
| | - Nagaja Capitani
- Department of Life Sciences, University of Siena, Siena, Italy. Istituto Toscano Tumori, Siena, Italy
| | - Veronica Martini
- Venetian Institute of Molecular Medicine, Padua, Italy. Department of Medicine, Hematology and Clinical Immunology Branch, Padua University School of Medicine, Padua, Italy
| | - Marco Pizzi
- Surgical Pathology and Cytopathology Unit, Department of Medicine, University of Padua, Padua, Italy
| | - Valentina Trimarco
- Venetian Institute of Molecular Medicine, Padua, Italy. Department of Medicine, Hematology and Clinical Immunology Branch, Padua University School of Medicine, Padua, Italy
| | - Federica Frezzato
- Venetian Institute of Molecular Medicine, Padua, Italy. Department of Medicine, Hematology and Clinical Immunology Branch, Padua University School of Medicine, Padua, Italy
| | - Filippo Marino
- Surgical Pathology and Cytopathology Unit, Department of Medicine, University of Padua, Padua, Italy
| | - Gianpietro Semenzato
- Venetian Institute of Molecular Medicine, Padua, Italy. Department of Medicine, Hematology and Clinical Immunology Branch, Padua University School of Medicine, Padua, Italy
| | - Livio Trentin
- Venetian Institute of Molecular Medicine, Padua, Italy. Department of Medicine, Hematology and Clinical Immunology Branch, Padua University School of Medicine, Padua, Italy
| | - Cosima T Baldari
- Department of Life Sciences, University of Siena, Siena, Italy. Istituto Toscano Tumori, Siena, Italy.
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36
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Janovska P, Poppova L, Plevova K, Plesingerova H, Behal M, Kaucka M, Ovesna P, Hlozkova M, Borsky M, Stehlikova O, Brychtova Y, Doubek M, Machalova M, Baskar S, Kozubik A, Pospisilova S, Pavlova S, Bryja V. Autocrine Signaling by Wnt-5a Deregulates Chemotaxis of Leukemic Cells and Predicts Clinical Outcome in Chronic Lymphocytic Leukemia. Clin Cancer Res 2015; 22:459-69. [PMID: 26240275 DOI: 10.1158/1078-0432.ccr-15-0154] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2015] [Accepted: 07/16/2015] [Indexed: 11/16/2022]
Abstract
PURPOSE ROR1, a receptor in the noncanonical Wnt/planar cell polarity (PCP) pathway, is upregulated in malignant B cells of chronic lymphocytic leukemia (CLL) patients. It has been shown that the Wnt/PCP pathway drives pathogenesis of CLL, but which factors activate the ROR1 and PCP pathway in CLL cells remains unclear. EXPERIMENTAL DESIGN B lymphocytes from the peripheral blood of CLL patients were negatively separated using RosetteSep (StemCell) and gradient density centrifugation. Relative expression of WNT5A, WNT5B, and ROR1 was assessed by quantitative real-time PCR. Protein levels, protein interaction, and downstream signaling were analyzed by immunoprecipitation and Western blotting. Migration capacity of primary CLL cells was analyzed by the Transwell migration assay. RESULTS By analyzing the expression in 137 previously untreated CLL patients, we demonstrate that WNT5A and WNT5B genes show dramatically (five orders of magnitude) varying expression in CLL cells. High WNT5A and WNT5B expression strongly associates with unmutated IGHV and shortened time to first treatment. In addition, WNT5A levels associate, independent of IGHV status, with the clinically worst CLL subgroups characterized by dysfunctional p53 and mutated SF3B1. We provide functional evidence that WNT5A-positive primary CLL cells have increased motility and attenuated chemotaxis toward CXCL12 and CCL19 that can be overcome by inhibitors of Wnt/PCP signaling. CONCLUSIONS These observations identify Wnt-5a as the crucial regulator of ROR1 activity in CLL and suggest that the autocrine Wnt-5a signaling pathway allows CLL cells to overcome natural microenvironmental regulation.
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Affiliation(s)
- Pavlina Janovska
- Institute of Experimental Biology, Faculty of Science, Masaryk University, Brno, Czech Republic
| | - Lucie Poppova
- Center of Molecular Biology and Gene Therapy, Department of Internal Medicine-Hematology and Oncology, University Hospital Brno and Medical Faculty, Masaryk University, Brno, Czech Republic. CEITEC-Central European Institute of Technology, Masaryk University, Brno, Czech Republic
| | - Karla Plevova
- Center of Molecular Biology and Gene Therapy, Department of Internal Medicine-Hematology and Oncology, University Hospital Brno and Medical Faculty, Masaryk University, Brno, Czech Republic. CEITEC-Central European Institute of Technology, Masaryk University, Brno, Czech Republic
| | - Hana Plesingerova
- Center of Molecular Biology and Gene Therapy, Department of Internal Medicine-Hematology and Oncology, University Hospital Brno and Medical Faculty, Masaryk University, Brno, Czech Republic. CEITEC-Central European Institute of Technology, Masaryk University, Brno, Czech Republic
| | - Martin Behal
- Institute of Experimental Biology, Faculty of Science, Masaryk University, Brno, Czech Republic
| | - Marketa Kaucka
- Institute of Experimental Biology, Faculty of Science, Masaryk University, Brno, Czech Republic
| | - Petra Ovesna
- Institute of Biostatistics and Analyses, Masaryk University, Brno, Czech Republic
| | - Michaela Hlozkova
- CEITEC-Central European Institute of Technology, Masaryk University, Brno, Czech Republic
| | - Marek Borsky
- Center of Molecular Biology and Gene Therapy, Department of Internal Medicine-Hematology and Oncology, University Hospital Brno and Medical Faculty, Masaryk University, Brno, Czech Republic
| | - Olga Stehlikova
- Center of Molecular Biology and Gene Therapy, Department of Internal Medicine-Hematology and Oncology, University Hospital Brno and Medical Faculty, Masaryk University, Brno, Czech Republic
| | - Yvona Brychtova
- Center of Molecular Biology and Gene Therapy, Department of Internal Medicine-Hematology and Oncology, University Hospital Brno and Medical Faculty, Masaryk University, Brno, Czech Republic
| | - Michael Doubek
- Center of Molecular Biology and Gene Therapy, Department of Internal Medicine-Hematology and Oncology, University Hospital Brno and Medical Faculty, Masaryk University, Brno, Czech Republic. CEITEC-Central European Institute of Technology, Masaryk University, Brno, Czech Republic
| | - Michaela Machalova
- Department of Paediatric Otorhinolaryngology, University Hospital Brno and Medical Faculty, Masaryk University, Brno, Czech Republic
| | - Sivasubramanian Baskar
- Genetics Branch, Center for Cancer Research, National Cancer Institute, NIH, Bethesda, Maryland
| | - Alois Kozubik
- Institute of Experimental Biology, Faculty of Science, Masaryk University, Brno, Czech Republic. Department of Cytokinetics, Institute of Biophysics, Academy of Sciences of the Czech Republic, Brno, Czech Republic
| | - Sarka Pospisilova
- Center of Molecular Biology and Gene Therapy, Department of Internal Medicine-Hematology and Oncology, University Hospital Brno and Medical Faculty, Masaryk University, Brno, Czech Republic. CEITEC-Central European Institute of Technology, Masaryk University, Brno, Czech Republic
| | - Sarka Pavlova
- Center of Molecular Biology and Gene Therapy, Department of Internal Medicine-Hematology and Oncology, University Hospital Brno and Medical Faculty, Masaryk University, Brno, Czech Republic. CEITEC-Central European Institute of Technology, Masaryk University, Brno, Czech Republic
| | - Vitezslav Bryja
- Institute of Experimental Biology, Faculty of Science, Masaryk University, Brno, Czech Republic. Department of Cytokinetics, Institute of Biophysics, Academy of Sciences of the Czech Republic, Brno, Czech Republic.
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37
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Gutjahr JC, Greil R, Hartmann TN. The Role of CD44 in the Pathophysiology of Chronic Lymphocytic Leukemia. Front Immunol 2015; 6:177. [PMID: 25941526 PMCID: PMC4403525 DOI: 10.3389/fimmu.2015.00177] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2015] [Accepted: 03/29/2015] [Indexed: 12/26/2022] Open
Abstract
CD44 interactions with hyaluronan (HA) play a key role in various malignancies, supporting tumor cell migration, adhesion, and survival. In contrast to solid tumors, the expression of CD44 standard and variant forms and their functional interplay with HA is less understood in hematological malignancies. Chronic lymphocytic leukemia (CLL) is a highly abundant B-cell malignancy with a well coordinated balance between cell cycle-arrest and proliferation of tumor subpopulations. The long-term survival and proliferation of CLL cells requires their dynamic interactions with stromal and immune cells in lymphoid organs. Interactions of HA with CD44 and HA-mediated motility receptor (RHAMM) contribute to CLL cell localization, and hence CLL pathophysiology, by shaping homing, interstitial migration, and adhesion of the tumor cells. CD44 can complex with key prognostic factors of CLL, particularly CD38 and CD49d, bridging the gap between prognosis and cellular function. Here, we review the current evidence for the individual and associated contributions of CD44 to CLL pathophysiology, the dynamic functional regulation of CD44 upon CLL cell activation, and possible therapeutic strategies targeting CD44 in CLL.
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Affiliation(s)
- Julia Christine Gutjahr
- Laboratory for Immunological and Molecular Cancer Research, 3rd Medical Department with Hematology, Medical Oncology, Hemostaseology, Infectiology and Rheumatology, Oncologic Centre, Paracelsus Medical University , Salzburg , Austria ; Salzburg Cancer Research Institute , Salzburg , Austria
| | - Richard Greil
- Laboratory for Immunological and Molecular Cancer Research, 3rd Medical Department with Hematology, Medical Oncology, Hemostaseology, Infectiology and Rheumatology, Oncologic Centre, Paracelsus Medical University , Salzburg , Austria ; Salzburg Cancer Research Institute , Salzburg , Austria
| | - Tanja Nicole Hartmann
- Laboratory for Immunological and Molecular Cancer Research, 3rd Medical Department with Hematology, Medical Oncology, Hemostaseology, Infectiology and Rheumatology, Oncologic Centre, Paracelsus Medical University , Salzburg , Austria ; Salzburg Cancer Research Institute , Salzburg , Austria
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38
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Hutterer E, Asslaber D, Caldana C, Krenn PW, Zucchetto A, Gattei V, Greil R, Hartmann TN. CD18 (ITGB2) expression in chronic lymphocytic leukaemia is regulated by DNA methylation-dependent and -independent mechanisms. Br J Haematol 2014; 169:286-9. [PMID: 25322676 PMCID: PMC4406159 DOI: 10.1111/bjh.13188] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Evelyn Hutterer
- Laboratory for Immunological and Molecular Cancer Research, 3rd Medical Department with Haematology, Medical Oncology, Haemostaseology, Infectiology and Rheumatology, Oncologic Centre, Paracelsus Medical University, Salzburg, Austria; Salzburg Cancer Research Institute, Salzburg, Austria
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39
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40
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Dal Bo M, Tissino E, Benedetti D, Caldana C, Bomben R, Del Poeta G, Gaidano G, Rossi FM, Zucchetto A, Gattei V. Microenvironmental Interactions in Chronic Lymphocytic Leukemia: The Master Role of CD49d. Semin Hematol 2014; 51:168-76. [DOI: 10.1053/j.seminhematol.2014.05.002] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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41
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Trisomy 12 chronic lymphocytic leukemia cells exhibit upregulation of integrin signaling that is modulated by NOTCH1 mutations. Blood 2014; 123:4101-10. [PMID: 24829201 DOI: 10.1182/blood-2014-01-552307] [Citation(s) in RCA: 59] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
The leukocyte adhesion cascade is important in chronic lymphocytic leukemia (CLL), as it controls migration of malignant cells into the pro-survival lymph node microenvironment. Circulating trisomy 12 CLL cells have increased expression of the integrins CD11a and CD49d, as well as CD38, but the tissue expression of these and other molecules, and the functional and clinical sequelae of these changes have not been described. Here, we demonstrate that circulating trisomy 12 CLL cells also have increased expression of the integrins CD11b, CD18, CD29, and ITGB7, and the adhesion molecule CD323. Notably, there was reduced expression of CD11a, CD11b, and CD18 in trisomy 12 cases with NOTCH1 mutations compared with wild type. Trisomy 12 cells also exhibit upregulation of intracellular integrin signaling molecules CALDAG-GEFI, RAP1B, and Ras-related protein ligand, resulting in enhanced very late antigen-4 [VLA-4] directed adhesion and motility. CD38 expression in CLL has prognostic significance, but the increased CD38 expression in trisomy 12 CLL cells must be taken into account in this subgroup, and the threshold of CD38 positivity should be raised to 40% for this marker to retain its prognostic value. In conclusion, trisomy 12 CLL cells exhibit functional upregulation of integrin signaling, with β2-integrin expression being modulated by NOTCH1 mutation status.
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43
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Ghamlouch H, Ouled-Haddou H, Guyart A, Regnier A, Trudel S, Claisse JF, Fuentes V, Royer B, Marolleau JP, Gubler B. Phorbol myristate acetate, but not CD40L, induces the differentiation of CLL B cells into Ab-secreting cells. Immunol Cell Biol 2014; 92:591-604. [PMID: 24797583 PMCID: PMC4134517 DOI: 10.1038/icb.2014.37] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2014] [Revised: 03/21/2014] [Accepted: 03/24/2014] [Indexed: 11/29/2022]
Abstract
In this study, we investigated the capacity of chronic lymphocytic leukemia (CLL) B cells to undergo terminal differentiation into Ig-secreting plasma cells in T cell-independent and T cell-dependent responses. We used a two-step model involving stimulation with phorbol myristate acetate (PMA) and CD40L, together with cytokines (PMA/c and CD40L/c), for 7 days. We describe immunophenotypic modifications, changes in the levels of mRNA and protein for transcription factors and morphological and functional events occurring during the differentiation of CLL B cells into antibody-secreting cells (ASCs). The induction of differentiation differed significantly between the CD40L/c and PMA/c culture systems. The PMA/c culture system allowed CLL B cells to differentiate into IgM-secreting cells with an immunophenotype and molecular profile resembling those of preplasmablasts. By contrast, CD40L/c-stimulated cells had a phenotype and morphology similar to those of activated B cells and resembling those of the CLL B cells residing in the lymph node and bone marrow. These data suggest that the CLL B cells are not frozen permanently at a stage of differentiation and are able to differentiate into ASCs as appropriate stimulation are provided. The data presented here raise questions about the molecular processes and stimulation required for CLL B-cell differentiation and about the inability of CD40 ligand to induce differentiation of the CLL B cells.
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Affiliation(s)
- Hussein Ghamlouch
- EA4666, Laboratoire d'Immunologie, UFR de Médecine, Université de Picardie Jules Verne, Amiens, France
| | - Hakim Ouled-Haddou
- EA4666, Laboratoire d'Immunologie, UFR de Médecine, Université de Picardie Jules Verne, Amiens, France
| | - Aude Guyart
- EA4666, Laboratoire d'Immunologie, UFR de Médecine, Université de Picardie Jules Verne, Amiens, France
| | - Aline Regnier
- 1] EA4666, Laboratoire d'Immunologie, UFR de Médecine, Université de Picardie Jules Verne, Amiens, France [2] Service d'Hématologie Clinique et Thérapie Cellulaire, CHU d'Amiens, Avenue René Laënnec, Amiens, France
| | - Stéphanie Trudel
- 1] EA4666, Laboratoire d'Immunologie, UFR de Médecine, Université de Picardie Jules Verne, Amiens, France [2] Laboratoire d'Oncobiologie Moléculaire, CHU d'Amiens, Avenue René Laënnec, Amiens, France
| | - Jean-François Claisse
- Service d'Hématologie Clinique et Thérapie Cellulaire, CHU d'Amiens, Avenue René Laënnec, Amiens, France
| | - Vincent Fuentes
- EA4666, Laboratoire d'Immunologie, UFR de Médecine, Université de Picardie Jules Verne, Amiens, France
| | - Bruno Royer
- 1] EA4666, Laboratoire d'Immunologie, UFR de Médecine, Université de Picardie Jules Verne, Amiens, France [2] Service d'Hématologie Clinique et Thérapie Cellulaire, CHU d'Amiens, Avenue René Laënnec, Amiens, France
| | - Jean-Pierre Marolleau
- 1] EA4666, Laboratoire d'Immunologie, UFR de Médecine, Université de Picardie Jules Verne, Amiens, France [2] Service d'Hématologie Clinique et Thérapie Cellulaire, CHU d'Amiens, Avenue René Laënnec, Amiens, France
| | - Brigitte Gubler
- 1] EA4666, Laboratoire d'Immunologie, UFR de Médecine, Université de Picardie Jules Verne, Amiens, France [2] Laboratoire d'Oncobiologie Moléculaire, CHU d'Amiens, Avenue René Laënnec, Amiens, France
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44
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Hofbauer SW, Krenn PW, Ganghammer S, Asslaber D, Pichler U, Oberascher K, Henschler R, Wallner M, Kerschbaum H, Greil R, Hartmann TN. Tiam1/Rac1 signals contribute to the proliferation and chemoresistance, but not motility, of chronic lymphocytic leukemia cells. Blood 2014; 123:2181-8. [PMID: 24501217 DOI: 10.1182/blood-2013-08-523563] [Citation(s) in RCA: 60] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Signals from the tumor microenvironment promote the migration, survival, and proliferation of chronic lymphocytic leukemia (CLL) cells. Rho GTPases control various signaling pathways downstream of microenvironmental cues. Here, we analyze the function of Rac1 in the motility and proliferation of CLL cells. We found decreased transcription of the Rac guanine nucleotide exchange factors Tiam1 and Vav1 in unstimulated peripheral blood CLL cells with almost complete loss of Tiam1 but increased transcription of the potential Rac antagonist RhoH. Consistently, stimulation of CLL cells with the chemokine CXCL12 induced RhoA but not Rac1 activation, whereas chemokine-induced CLL cell motility was Rac1-independent. Coculture of CLL cells with activated T cells induced their activation and subsequent proliferation. Here, Tiam1 expression was induced in the malignant cells in line with increased Ki-67 and c-Myc expression. Rac1 or Tiam1 knockdown using siRNA or treatment with the Tiam1/Rac inhibitor NSC-23766 attenuated c-Myc transcription. Furthermore, treatment of CLL cells with NSC-23766 reduced their proliferation. Rac inhibition also antagonized the chemoresistance of activated CLL cells toward fludarabine. Collectively, our data suggest a dynamic regulation of Rac1 function in the CLL microenvironment. Rac inhibition could be of clinical use by selectively interfering with CLL cell proliferation and chemoresistance.
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MESH Headings
- Aminoquinolines/pharmacology
- Animals
- Antineoplastic Agents/pharmacology
- Cell Movement/genetics
- Cell Proliferation
- Cells, Cultured
- Drug Resistance, Neoplasm/genetics
- Gene Expression Regulation, Leukemic/drug effects
- Guanine Nucleotide Exchange Factors/antagonists & inhibitors
- Guanine Nucleotide Exchange Factors/physiology
- Humans
- Leukemia, Lymphocytic, Chronic, B-Cell/drug therapy
- Leukemia, Lymphocytic, Chronic, B-Cell/genetics
- Leukemia, Lymphocytic, Chronic, B-Cell/pathology
- Mice
- NIH 3T3 Cells
- Pyrimidines/pharmacology
- RNA, Small Interfering/genetics
- Signal Transduction/physiology
- T-Lymphoma Invasion and Metastasis-inducing Protein 1
- rac1 GTP-Binding Protein/antagonists & inhibitors
- rac1 GTP-Binding Protein/physiology
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Affiliation(s)
- Sebastian W Hofbauer
- Laboratory for Immunological and Molecular Cancer Research, Third Medical Department with Hematology, Oncology, Hemostaseology, Infectiology, and Rheumatology, Oncologic Center, Paracelsus Medical University, Salzburg, Austria
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45
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Brachtl G, Piñón Hofbauer J, Greil R, Hartmann TN. The pathogenic relevance of the prognostic markers CD38 and CD49d in chronic lymphocytic leukemia. Ann Hematol 2014; 93:361-74. [PMID: 24288111 PMCID: PMC4032465 DOI: 10.1007/s00277-013-1967-y] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2013] [Accepted: 11/13/2013] [Indexed: 12/13/2022]
Abstract
The interactions of chronic lymphocytic leukemia cells with the microenvironment in secondary lymphoid tissues and the bone marrow are known to promote CLL cell survival and proliferation. CD38 and CD49d are both independent prognostic risk parameters in CLL with important roles in shaping these interactions. Both are reported to influence CLL cell trafficking between blood and lymphoid organs as well as their survival and proliferation within the lymphoid organs, thereby impacting the pathophysiology of the disease. The expression of CD38 and CD49d is associated in the majority of cases, and they exist as part of macromolecular complexes. Here, we review the current evidence for the individual and associated contributions of these molecules to CLL pathophysiology.
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MESH Headings
- ADP-ribosyl Cyclase 1/blood
- ADP-ribosyl Cyclase 1/metabolism
- Animals
- Biomarkers, Tumor/blood
- Biomarkers, Tumor/metabolism
- Cell Movement
- Cell Proliferation
- Cell Survival
- Humans
- Integrin alpha4/blood
- Integrin alpha4/metabolism
- Integrin alpha4beta1/blood
- Integrin alpha4beta1/metabolism
- Leukemia, Lymphocytic, Chronic, B-Cell/blood
- Leukemia, Lymphocytic, Chronic, B-Cell/diagnosis
- Leukemia, Lymphocytic, Chronic, B-Cell/metabolism
- Leukemia, Lymphocytic, Chronic, B-Cell/physiopathology
- Membrane Glycoproteins/blood
- Membrane Glycoproteins/metabolism
- Models, Biological
- Neoplasm Proteins/blood
- Neoplasm Proteins/metabolism
- Prognosis
- Tumor Microenvironment
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Affiliation(s)
- Gabriele Brachtl
- Laboratory for Immunological and Molecular Cancer Research, Third Medical Department with Hematology, Oncology, Hemostaseology, Infectiology and Rheumatology, Paracelsus Medical University, Müllner Haupstraße 48, 5020 Salzburg, Austria
| | - Josefina Piñón Hofbauer
- Laboratory for Immunological and Molecular Cancer Research, Third Medical Department with Hematology, Oncology, Hemostaseology, Infectiology and Rheumatology, Paracelsus Medical University, Müllner Haupstraße 48, 5020 Salzburg, Austria
| | - Richard Greil
- Laboratory for Immunological and Molecular Cancer Research, Third Medical Department with Hematology, Oncology, Hemostaseology, Infectiology and Rheumatology, Paracelsus Medical University, Müllner Haupstraße 48, 5020 Salzburg, Austria
| | - Tanja Nicole Hartmann
- Laboratory for Immunological and Molecular Cancer Research, Third Medical Department with Hematology, Oncology, Hemostaseology, Infectiology and Rheumatology, Paracelsus Medical University, Müllner Haupstraße 48, 5020 Salzburg, Austria
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46
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Caligaris-Cappio F, Bertilaccio MT, Scielzo C. How the microenvironment wires the natural history of chronic lymphocytic leukemia. Semin Cancer Biol 2014; 24:43-8. [DOI: 10.1016/j.semcancer.2013.06.010] [Citation(s) in RCA: 69] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2013] [Revised: 06/21/2013] [Accepted: 06/25/2013] [Indexed: 11/16/2022]
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47
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Knudsen PB, Hanna B, Ohl S, Sellner L, Zenz T, Döhner H, Stilgenbauer S, Larsen TO, Lichter P, Seiffert M. Chaetoglobosin A preferentially induces apoptosis in chronic lymphocytic leukemia cells by targeting the cytoskeleton. Leukemia 2013; 28:1289-98. [PMID: 24280868 DOI: 10.1038/leu.2013.360] [Citation(s) in RCA: 54] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2013] [Revised: 11/08/2013] [Accepted: 11/20/2013] [Indexed: 12/19/2022]
Abstract
Chronic lymphocytic leukemia (CLL) is an incurable malignancy of mature B cells. One of the major challenges in treatment of CLL is the achievement of a complete remission to prevent relapse of disease originating from cells within lymphoid tissues and subsequent chemoresistance. In search for novel drugs that target CLL cells in protective microenvironments, we performed a fungal extract screen using cocultures of primary CLL cells with bone marrow-derived stromal cells. A secondary metabolite produced by Penicillium aquamarinium was identified as Chaetoglobosin A (ChA), a member of the cytochalasan family that showed preferential induction of apoptosis in CLL cells, even under culture conditions that mimic lymphoid tissues. In vitro testing of 89 CLL cases revealed effective targeting of CLL cells by ChA, independent of bad prognosis characteristics, like 17p deletion or TP53 mutation. To provide insight into its mechanism of action, we showed that ChA targets filamentous actin in CLL cells and thereby induces cell-cycle arrest and inhibits membrane ruffling and cell migration. Our data further revealed that ChA prevents CLL cell activation and sensitizes them for treatment with PI3K and BTK inhibitors, suggesting this compound as a novel potential drug for CLL.
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Affiliation(s)
- P B Knudsen
- 1] Division of Molecular Genetics, German Cancer Research Center (DKFZ), Heidelberg, Germany [2] Department of Systems Biology, Technical University of Denmark (DTU), Lyngby, Denmark
| | - B Hanna
- Division of Molecular Genetics, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - S Ohl
- Division of Molecular Genetics, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - L Sellner
- 1] Department of Translational Oncology, National Center for Tumor Diseases (NCT) and German Cancer Research Center (DKFZ), Heidelberg, Germany [2] Department of Internal Medicine V, University of Heidelberg, Heidelberg, Germany
| | - T Zenz
- 1] Department of Translational Oncology, National Center for Tumor Diseases (NCT) and German Cancer Research Center (DKFZ), Heidelberg, Germany [2] Department of Internal Medicine V, University of Heidelberg, Heidelberg, Germany
| | - H Döhner
- Internal Medicine III, University of Ulm, Ulm, Germany
| | | | - T O Larsen
- Department of Systems Biology, Technical University of Denmark (DTU), Lyngby, Denmark
| | - P Lichter
- Division of Molecular Genetics, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - M Seiffert
- Division of Molecular Genetics, German Cancer Research Center (DKFZ), Heidelberg, Germany
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48
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Binsky-Ehrenreich I, Marom A, Sobotta MC, Shvidel L, Berrebi A, Hazan-Halevy I, Kay S, Aloshin A, Sagi I, Goldenberg DM, Leng L, Bucala R, Herishanu Y, Haran M, Shachar I. CD84 is a survival receptor for CLL cells. Oncogene 2013; 33:1006-16. [PMID: 23435417 DOI: 10.1038/onc.2013.31] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2012] [Revised: 01/02/2013] [Accepted: 01/02/2013] [Indexed: 12/29/2022]
Abstract
Chronic lymphocytic leukemia (CLL) is characterized by the accumulation of CD5+ B lymphocytes in peripheral blood, lymphoid organs and bone marrow. The main feature of the disease is accumulation of the malignant cells due to decreased apoptosis. CD84 belongs to the signaling lymphocyte activating molecule family of immunoreceptors, and has an unknown function in CLL cells. Here, we show that the expression of CD84 is significantly elevated from the early stages of the disease, and is regulated by macrophage migration inhibitory factor and its receptor, CD74. Activation of cell surface CD84 initiates a signaling cascade that enhances CLL cell survival. Both downmodulation of CD84 expression and its immune-mediated blockade induce cell death in vitro and in vivo. In addition, analysis of samples derived from an on-going clinical trial, in which human subjects were treated with humanized anti-CD74 (milatuzumab), shows a decrease in CD84 messenger RNA and protein levels in milatuzumab-treated cells. This downregulation was correlated with reduction of Bcl-2 and Mcl-1 expression. Thus, our data show that overexpression of CD84 in CLL is an important survival mechanism that appears to be an early event in the pathogenesis of the disease. These findings suggest novel therapeutic strategies based on the blockade of this CD84-dependent survival pathway.
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Affiliation(s)
| | - A Marom
- Department of Immunology, Weizmann Institute of Science, Rehovot, Israel
| | - M C Sobotta
- Department of Immunology, Weizmann Institute of Science, Rehovot, Israel
| | - L Shvidel
- Hematology Institute, Kaplan Medical Center, Rehovot, Israel
| | - A Berrebi
- Hematology Institute, Kaplan Medical Center, Rehovot, Israel
| | - I Hazan-Halevy
- Department of Hematology, Tel-Aviv Sourasky Medical Center, Tel-Aviv, Israel
| | - S Kay
- Department of Hematology, Tel-Aviv Sourasky Medical Center, Tel-Aviv, Israel
| | - A Aloshin
- Biological Regulation, Weizmann Institute of Science, Rehovot, Israel
| | - I Sagi
- Biological Regulation, Weizmann Institute of Science, Rehovot, Israel
| | - D M Goldenberg
- Garden State Cancer Center, Center for Molecular Medicine and Immunology, Morris Plains, NJ, USA
| | - L Leng
- Department of Internal Medicine, Yale University School of Medicine, New Haven, CT, USA
| | - R Bucala
- Department of Internal Medicine, Yale University School of Medicine, New Haven, CT, USA
| | - Y Herishanu
- Department of Hematology, Tel-Aviv Sourasky Medical Center, Tel-Aviv, Israel
| | - M Haran
- Hematology Institute, Kaplan Medical Center, Rehovot, Israel
| | - I Shachar
- Department of Immunology, Weizmann Institute of Science, Rehovot, Israel
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49
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Kaucká M, Plevová K, Pavlová Š, Janovská P, Mishra A, Verner J, Procházková J, Krejčí P, Kotašková J, Ovesná P, Tichý B, Brychtová Y, Doubek M, Kozubík A, Mayer J, Pospíšilová Š, Bryja V. The Planar Cell Polarity Pathway Drives Pathogenesis of Chronic Lymphocytic Leukemia by the Regulation of B-Lymphocyte Migration. Cancer Res 2013; 73:1491-501. [DOI: 10.1158/0008-5472.can-12-1752] [Citation(s) in RCA: 71] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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50
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Doñate C, Ody C, McKee T, Ruault-Jungblut S, Fischer N, Ropraz P, Imhof BA, Matthes T. Homing of human B cells to lymphoid organs and B-cell lymphoma engraftment are controlled by cell adhesion molecule JAM-C. Cancer Res 2012; 73:640-51. [PMID: 23221386 DOI: 10.1158/0008-5472.can-12-1756] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Junctional adhesion molecule C (JAM-C) is expressed by vascular endothelium and human but not mouse B lymphocytes. The level of JAM-C expression defines B-cell differentiation stages and allows the classification of marginal zone-derived (JAM-C-positive) and germinal center-derived (JAM-C-negative) B-cell lymphomas. In the present study, we investigated the role of JAM-C in homing of human B cells, using a xenogeneic nonobese diabetic/severe combined immunodeficient mouse model. Treatment with anti-JAM-C antibodies in short-term experiments reduced migration of normal and malignant JAM-C-expressing B cells to bone marrow, lymph nodes, and spleen. Blocking homing to the spleen is remarkable, as most other antiadhesion antibodies reduce homing of B cells only to bone marrow and lymph nodes. Long-term administration of anti-JAM-C antibodies prevented engraftment of JAM-Cpos lymphoma cells in bone marrow, spleen, and lymph nodes of mice. Plasmon resonance studies identified JAM-B as the major ligand for JAM-C, whereas homotypic JAM-C interactions remained at background levels. Accordingly, anti-JAM-C antibodies blocked adhesion of JAM-C-expressing B cells to their ligand JAM-B, and immunofluorescence analysis showed the expression of JAM-B on murine and human lymphatic endothelial cells. Targeting JAM-C could thus constitute a new therapeutic strategy to prevent lymphoma cells from reaching supportive microenvironments not only in the bone marrow and lymph nodes but also in the spleen.
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Affiliation(s)
- Carmen Doñate
- Hematology Service, University Hospital, Geneva, Switzerland
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