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Li R, Hu Z, Qiao Q, Zhou D, Sun M. Anti-NOTCH1 therapy with OMP-52 M51 inhibits salivary adenoid cystic carcinoma by depressing epithelial-mesenchymal transition (EMT) process and inducing ferroptosis. Toxicol Appl Pharmacol 2024; 484:116825. [PMID: 38253083 DOI: 10.1016/j.taap.2024.116825] [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: 07/23/2023] [Revised: 12/25/2023] [Accepted: 01/11/2024] [Indexed: 01/24/2024]
Abstract
Salivary adenoid cystic carcinoma (ACC) is a common type of salivary gland cancer, and the mechanisms underlying its progression still remain poorly understood without efficient therapies. NOTCH1, an evolutionally conserved cell-cell signaling pathway, is involved in the progression of ACC. In our study, we attempted to explore whether NOTCH1 suppression using the monoclonal anti-NOTCH1 antibody OMP-52 M51 could be of potential for ACC treatment. Here, we identified NOTCH1 elevation in human ACC tissues compared with the matched normal samples. Patients with metastasis expressed much higher NOTCH1. We then found that OMP-52 M51 markedly reduced the expression of NOTCH1 and its intracellular active form NICD1 (NOTCH1 intracellular domain). Importantly, OMP-52 M51 markedly reduced the proliferation, migration and invasion of ACC cells. RNA-Seq and in vitro studies further showed that OMP-52 M51 significantly induced ferroptosis in ACC cells, indicated by the increased cellular malondialdehyde (MDA), iron contents and lipid ROS production, and decreased glutathione (GSH) levels. Further, remarkable glutathione peroxidase 4 (GPX4) reduction was detected in ACC cells with OMP-52 M51 treatment. However, promoting NOTCH1 expression markedly abolished the function of OMP-52 M51 to induce ferroptosis. Intriguingly, low-dose OMP-52 M51 strongly facilitated the capacity of ferroptosis inducer erastin to trigger ferroptotic cell death, revealing that OMP-52 M51 could improve the sensitivity of ACC cells to ferroptosis. In vivo, OMP-52 M51 administration suppressed tumor growth and induced ferroptosis in the constructed ACC xenograft mouse model. Collectively, our findings demonstrated that NOTCH1 inhibition by OMP-52 M51 represses the proliferation and epithelial-mesenchymal transition (EMT) in ACCs, and promotes ferroptosis, revealing the potential therapeutical application of OMP-52 M51 in ACC.
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Affiliation(s)
- Ran Li
- Department of Oral and Maxillofacial Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450000, China
| | - Zelong Hu
- Department of Oral and Maxillofacial Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450000, China
| | - Quanxin Qiao
- Department of Oral and Maxillofacial Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450000, China
| | - Die Zhou
- Department of Oral and Maxillofacial Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450000, China
| | - Minglei Sun
- Department of Oral and Maxillofacial Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450000, China.
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2
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Pagliaro L, Cerretani E, Vento F, Montanaro A, Moron Dalla Tor L, Simoncini E, Giaimo M, Gherli A, Zamponi R, Tartaglione I, Lorusso B, Scita M, Russo F, Sammarelli G, Todaro G, Silini EM, Rigolin GM, Quaini F, Cuneo A, Roti G. CAD204520 Targets NOTCH1 PEST Domain Mutations in Lymphoproliferative Disorders. Int J Mol Sci 2024; 25:766. [PMID: 38255842 PMCID: PMC10815907 DOI: 10.3390/ijms25020766] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2023] [Revised: 01/01/2024] [Accepted: 01/03/2024] [Indexed: 01/24/2024] Open
Abstract
NOTCH1 PEST domain mutations are often seen in hematopoietic malignancies, including T-cell acute lymphoblastic leukemia (T-ALL), chronic lymphocytic leukemia (CLL), splenic marginal zone lymphoma (SMZL), mantle cell lymphoma (MCL), and diffuse large B-cell lymphoma (DLBCL). These mutations play a key role in the development and progression of lymphoproliferative tumors by increasing the Notch signaling and, consequently, promoting cell proliferation, survival, migration, and suppressing apoptosis. There is currently no specific treatment available for cancers caused by NOTCH1 PEST domain mutations. However, several NOTCH1 inhibitors are in development. Among these, inhibition of the Sarco-endoplasmic Ca2+-ATPase (SERCA) showed a greater effect in NOTCH1-mutated tumors compared to the wild-type ones. One example is CAD204520, a benzimidazole derivative active in T-ALL cells harboring NOTCH1 mutations. In this study, we preclinically assessed the effect of CAD204520 in CLL and MCL models and showed that NOTCH1 PEST domain mutations sensitize cells to the anti-leukemic activity mediated by CAD204520. Additionally, we tested the potential of CAD204520 in combination with the current first-line treatment of CLL, venetoclax, and ibrutinib. CAD204520 enhanced the synergistic effect of this treatment regimen only in samples harboring the NOTCH1 PEST domain mutations, thus supporting a role for Notch inhibition in these tumors. In summary, our work provides strong support for the development of CAD204520 as a novel therapeutic approach also in chronic lymphoproliferative disorders carrying NOTCH1 PEST domain mutations, emerging as a promising molecule for combination treatment in this aggressive subset of patients.
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Affiliation(s)
- Luca Pagliaro
- Department of Medicine and Surgery, University of Parma, 43126 Parma, Italy; (L.P.); (A.M.); (L.M.D.T.); (E.S.); (M.G.); (A.G.); (R.Z.); (B.L.); (E.M.S.); (F.Q.)
- Translational Hematology and Chemogenomics (THEC), University of Parma, 43126 Parma, Italy; (E.C.); (F.V.); (I.T.)
- Hematology and BMT Unit, University Hospital of Parma, 43126 Parma, Italy; (F.R.); (G.S.); (G.T.)
| | - Elisa Cerretani
- Translational Hematology and Chemogenomics (THEC), University of Parma, 43126 Parma, Italy; (E.C.); (F.V.); (I.T.)
- Department of Medical Science, University of Ferrara, 44121 Ferrara, Italy; (M.S.); (G.M.R.); (A.C.)
| | - Federica Vento
- Translational Hematology and Chemogenomics (THEC), University of Parma, 43126 Parma, Italy; (E.C.); (F.V.); (I.T.)
- Department of Medical Science, University of Ferrara, 44121 Ferrara, Italy; (M.S.); (G.M.R.); (A.C.)
| | - Anna Montanaro
- Department of Medicine and Surgery, University of Parma, 43126 Parma, Italy; (L.P.); (A.M.); (L.M.D.T.); (E.S.); (M.G.); (A.G.); (R.Z.); (B.L.); (E.M.S.); (F.Q.)
- Translational Hematology and Chemogenomics (THEC), University of Parma, 43126 Parma, Italy; (E.C.); (F.V.); (I.T.)
| | - Lucas Moron Dalla Tor
- Department of Medicine and Surgery, University of Parma, 43126 Parma, Italy; (L.P.); (A.M.); (L.M.D.T.); (E.S.); (M.G.); (A.G.); (R.Z.); (B.L.); (E.M.S.); (F.Q.)
- Translational Hematology and Chemogenomics (THEC), University of Parma, 43126 Parma, Italy; (E.C.); (F.V.); (I.T.)
| | - Elisa Simoncini
- Department of Medicine and Surgery, University of Parma, 43126 Parma, Italy; (L.P.); (A.M.); (L.M.D.T.); (E.S.); (M.G.); (A.G.); (R.Z.); (B.L.); (E.M.S.); (F.Q.)
- Translational Hematology and Chemogenomics (THEC), University of Parma, 43126 Parma, Italy; (E.C.); (F.V.); (I.T.)
| | - Mariateresa Giaimo
- Department of Medicine and Surgery, University of Parma, 43126 Parma, Italy; (L.P.); (A.M.); (L.M.D.T.); (E.S.); (M.G.); (A.G.); (R.Z.); (B.L.); (E.M.S.); (F.Q.)
- Translational Hematology and Chemogenomics (THEC), University of Parma, 43126 Parma, Italy; (E.C.); (F.V.); (I.T.)
- Hematology and BMT Unit, University Hospital of Parma, 43126 Parma, Italy; (F.R.); (G.S.); (G.T.)
| | - Andrea Gherli
- Department of Medicine and Surgery, University of Parma, 43126 Parma, Italy; (L.P.); (A.M.); (L.M.D.T.); (E.S.); (M.G.); (A.G.); (R.Z.); (B.L.); (E.M.S.); (F.Q.)
- Translational Hematology and Chemogenomics (THEC), University of Parma, 43126 Parma, Italy; (E.C.); (F.V.); (I.T.)
- Hematology and BMT Unit, University Hospital of Parma, 43126 Parma, Italy; (F.R.); (G.S.); (G.T.)
| | - Raffaella Zamponi
- Department of Medicine and Surgery, University of Parma, 43126 Parma, Italy; (L.P.); (A.M.); (L.M.D.T.); (E.S.); (M.G.); (A.G.); (R.Z.); (B.L.); (E.M.S.); (F.Q.)
- Translational Hematology and Chemogenomics (THEC), University of Parma, 43126 Parma, Italy; (E.C.); (F.V.); (I.T.)
- Hematology and BMT Unit, University Hospital of Parma, 43126 Parma, Italy; (F.R.); (G.S.); (G.T.)
| | - Isotta Tartaglione
- Translational Hematology and Chemogenomics (THEC), University of Parma, 43126 Parma, Italy; (E.C.); (F.V.); (I.T.)
| | - Bruno Lorusso
- Department of Medicine and Surgery, University of Parma, 43126 Parma, Italy; (L.P.); (A.M.); (L.M.D.T.); (E.S.); (M.G.); (A.G.); (R.Z.); (B.L.); (E.M.S.); (F.Q.)
| | - Matteo Scita
- Department of Medical Science, University of Ferrara, 44121 Ferrara, Italy; (M.S.); (G.M.R.); (A.C.)
| | - Filomena Russo
- Hematology and BMT Unit, University Hospital of Parma, 43126 Parma, Italy; (F.R.); (G.S.); (G.T.)
| | - Gabriella Sammarelli
- Hematology and BMT Unit, University Hospital of Parma, 43126 Parma, Italy; (F.R.); (G.S.); (G.T.)
| | - Giannalisa Todaro
- Hematology and BMT Unit, University Hospital of Parma, 43126 Parma, Italy; (F.R.); (G.S.); (G.T.)
| | - Enrico Maria Silini
- Department of Medicine and Surgery, University of Parma, 43126 Parma, Italy; (L.P.); (A.M.); (L.M.D.T.); (E.S.); (M.G.); (A.G.); (R.Z.); (B.L.); (E.M.S.); (F.Q.)
| | - Gian Matteo Rigolin
- Department of Medical Science, University of Ferrara, 44121 Ferrara, Italy; (M.S.); (G.M.R.); (A.C.)
- Hematology Unit, University Hospital of Ferrara, 44121 Ferrara, Italy
| | - Federico Quaini
- Department of Medicine and Surgery, University of Parma, 43126 Parma, Italy; (L.P.); (A.M.); (L.M.D.T.); (E.S.); (M.G.); (A.G.); (R.Z.); (B.L.); (E.M.S.); (F.Q.)
| | - Antonio Cuneo
- Department of Medical Science, University of Ferrara, 44121 Ferrara, Italy; (M.S.); (G.M.R.); (A.C.)
- Hematology Unit, University Hospital of Ferrara, 44121 Ferrara, Italy
| | - Giovanni Roti
- Department of Medicine and Surgery, University of Parma, 43126 Parma, Italy; (L.P.); (A.M.); (L.M.D.T.); (E.S.); (M.G.); (A.G.); (R.Z.); (B.L.); (E.M.S.); (F.Q.)
- Translational Hematology and Chemogenomics (THEC), University of Parma, 43126 Parma, Italy; (E.C.); (F.V.); (I.T.)
- Hematology and BMT Unit, University Hospital of Parma, 43126 Parma, Italy; (F.R.); (G.S.); (G.T.)
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Abolhasani S, Hejazian SS, Karpisheh V, Khodakarami A, Mohammadi H, Gholizadeh Navashenaq J, Hojjat-Farsangi M, Jadidi-Niaragh F. The role of SF3B1 and NOTCH1 in the pathogenesis of leukemia. IUBMB Life 2023; 75:257-278. [PMID: 35848163 DOI: 10.1002/iub.2660] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Accepted: 06/18/2022] [Indexed: 11/09/2022]
Abstract
The discovery of new genes/pathways improves our knowledge of cancer pathogenesis and presents novel potential therapeutic options. For instance, splicing factor 3b subunit 1 (SF3B1) and NOTCH1 genetic alterations have been identified at a high frequency in hematological malignancies, such as leukemia, and may be related to the prognosis of involved patients because they change the nature of malignancies in different ways like mediating therapeutic resistance; therefore, studying these gene/pathways is essential. This review aims to discuss SF3B1 and NOTCH1 roles in the pathogenesis of various types of leukemia and the therapeutic potential of targeting these genes or their mutations to provide a foundation for leukemia treatment.
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Affiliation(s)
- Shiva Abolhasani
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.,Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | | | - Vahid Karpisheh
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Atefeh Khodakarami
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Hamed Mohammadi
- Non-communicable Diseases Research Center, Alborz University of Medical Sciences, Karaj, Iran
| | | | - Mohammad Hojjat-Farsangi
- Bioclinicum, Department of Oncology-Pathology, Karolinska Institute, Stockholm, Sweden.,The Persian Gulf Marine Biotechnology Medicine Research Center, Bushehr University of Medical Sciences, Bushehr, Iran
| | - Farhad Jadidi-Niaragh
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.,Department of Immunology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran.,Research Center for Integrative Medicine in Aging, Aging Research Institute, Tabriz University of Medical Sciences, Tabriz, Iran
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4
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Carrillo‐Tornel S, Chen‐Liang TH, Zurdo M, Puiggros A, Gómez‐Llonín A, García‐Malo MD, Cuenca‐Zamora EJ, Ortuño FJ, López AMH, Espinet B, Jerez A.
NOTCH1
mutation in chronic lymphocytic leukaemia is associated with an enhanced cell cycle
G1
/S transition and specific cyclin overexpression: Preclinical ground for targeted inhibition. Br J Haematol 2022; 201:470-479. [PMID: 36573331 DOI: 10.1111/bjh.18609] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Revised: 11/30/2022] [Accepted: 12/05/2022] [Indexed: 12/28/2022]
Abstract
Studies prior to next-generation sequencing (NGS) showed that the frequent indolent course of chronic lymphocytic leukaemia (CLL) is related to most cells remaining quiescent in the G0 -G1 cell cycle phase, due to the expression of dysregulated cyclin genes. Of note, the activating nature of the NOTCH1 mutation in T lymphoblastic leukaemia also drives the dysregulation of cell cycle genes. Our goal was to comprehensively revisit the cell cycle in NOTCH1-mutated CLL (NOTCH1MUT ) to test for potential therapeutic targets. Among 378 NGS-annotated CLL cases, NOTCH1MUT cells displayed a unique transcriptome profile of G0 -G1 cell cycle components, with an overexpression of early-phase effectors, reaching a 38-, 27- and ninefold change increase for the complex elements CCND3, CDK4 and CDK6, respectively. This NOTCH1MUT cells' profile was related to more cells traversing through the cell cycle. In-vitro targeted inhibition of NOTCH1 gamma-secretase and CDK4/6 reversed the distribution of cells through the cycle phases and enhanced the killing of NOTCH1MUT CLL cells, suggesting new therapeutic approaches.
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Affiliation(s)
- Salvador Carrillo‐Tornel
- Hematology and Medical Oncology Department Hospital Universitario Morales Meseguer, CRH‐IMIB, Universidad de Murcia Murcia Spain
| | - Tzu Hua Chen‐Liang
- Hematology and Medical Oncology Department Hospital Universitario Morales Meseguer, CRH‐IMIB, Universidad de Murcia Murcia Spain
| | - María Zurdo
- Hematology and Medical Oncology Department Hospital Universitario Morales Meseguer, CRH‐IMIB, Universidad de Murcia Murcia Spain
| | - Anna Puiggros
- Molecular Cytogenetics Laboratory. Pathology Service Hospital del Mar Barcelona Spain
- Translational Research Group on Hematological Neoplasms Hospital del Mar Research Institute (IMIM) Barcelona Spain
| | - Andrea Gómez‐Llonín
- Molecular Cytogenetics Laboratory. Pathology Service Hospital del Mar Barcelona Spain
- Translational Research Group on Hematological Neoplasms Hospital del Mar Research Institute (IMIM) Barcelona Spain
| | - María Dolores García‐Malo
- Hematology and Medical Oncology Department Hospital Universitario Morales Meseguer, CRH‐IMIB, Universidad de Murcia Murcia Spain
| | - Ernesto José Cuenca‐Zamora
- Hematology and Medical Oncology Department Hospital Universitario Morales Meseguer, CRH‐IMIB, Universidad de Murcia Murcia Spain
- CB15/00055‐CIBERER Murcia Spain
| | - Francisco José Ortuño
- Hematology and Medical Oncology Department Hospital Universitario Morales Meseguer, CRH‐IMIB, Universidad de Murcia Murcia Spain
| | - Ana María Hurtado López
- Hematology and Medical Oncology Department Hospital Universitario Morales Meseguer, CRH‐IMIB, Universidad de Murcia Murcia Spain
| | - Blanca Espinet
- Molecular Cytogenetics Laboratory. Pathology Service Hospital del Mar Barcelona Spain
- Translational Research Group on Hematological Neoplasms Hospital del Mar Research Institute (IMIM) Barcelona Spain
| | - Andrés Jerez
- Hematology and Medical Oncology Department Hospital Universitario Morales Meseguer, CRH‐IMIB, Universidad de Murcia Murcia Spain
- CB15/00055‐CIBERER Murcia Spain
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Sherief D, Hassan A, Habeeb E, Nosair N, Mabrouk M, Shoeib S, Reyad H, Haydra T, Watany M. High-resolution Melting Analysis for NOTCH1 c.7541-7542delCT Mutation in Chronic Lymphocytic Leukemia: Prognostic Significance in Egyptian Patients. Indian J Hematol Blood Transfus 2022; 38:675-679. [PMID: 36258720 PMCID: PMC9569265 DOI: 10.1007/s12288-022-01535-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Accepted: 03/28/2022] [Indexed: 11/25/2022] Open
Abstract
The present study aimed to detect the prevalence of NOTCH1 c.7541-7542delCT mutation in Egyptian CLL patients using HRM assay and to assess its relation to patients' survival. The study included 50 newly diagnosed treatment-naïve CLL patients and 50 age and sex matched healthy controls. NOTCH1 c.7541-7542delCT mutation was detected using High-resolution melting (HRM) assay and direct Sanger sequencing. Outcome parameters included progression free survival (PFS) and overall survival (OS). NOTCH1 c.7541-7542delCT mutation was detected in 5 (10.0%) of CLL patients. No controls had NOTCH1 c.7541-7542delCT mutation. Similar results were obtained by direct Sanger sequencing yielding a sensitivity and specificity of 100.0% for HRM in detection of NOTCH1 c.7541-7542delCT mutation in the studied patients. In univariate analysis, predictors of OS included Trisomy 12, high LDH, presence of NOTCH1 c.7541-7542delCT mutation and lack of CR. In multivariate analysis, only lack of CR was found as a significant predictor of OS. HRM analysis is a sensitive method for detection of NOTCH1 c.7541-7542delCT mutation in CLL patients. This mutation may be linked to poor disease prognosis.
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Affiliation(s)
- Dalia Sherief
- Clinical Pathology Department, Faculty of Medicine, Kafr El-Sheikh University, Kafr El-Sheikh, Egypt
| | - Asmaa Hassan
- Clinical Pathology Department, Faculty of Medicine, Kafr El-Sheikh University, Kafr El-Sheikh, Egypt
| | - Eman Habeeb
- Clinical Pathology Department, Faculty of Medicine, Kafr El-Sheikh University, Kafr El-Sheikh, Egypt
| | - Nahla Nosair
- Clinical Pathology Department, Faculty of Medicine, Kafr El-Sheikh University, Kafr El-Sheikh, Egypt
| | - Maaly Mabrouk
- Clinical Pathology Department, Faculty of Medicine, Tanta University, Tanta, Egypt
| | - Sarah Shoeib
- Clinical Pathology Department, Faculty of Medicine, Tanta University, Tanta, Egypt
| | - Heba Reyad
- Department of Pediatrics, Faculty of Medicine, Kafr El-Sheikh University, Kafr El-Sheikh, Egypt
| | - Tamer Haydra
- Internal Medicine Department, Faculty of Medicine, Kafr El-Sheikh University, Kafr El-Sheikh, Egypt
| | - Mona Watany
- Clinical Pathology Department, Faculty of Medicine, Tanta University, Tanta, Egypt
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Multiple Mechanisms of NOTCH1 Activation in Chronic Lymphocytic Leukemia: NOTCH1 Mutations and Beyond. Cancers (Basel) 2022; 14:cancers14122997. [PMID: 35740661 PMCID: PMC9221163 DOI: 10.3390/cancers14122997] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Revised: 06/14/2022] [Accepted: 06/14/2022] [Indexed: 11/20/2022] Open
Abstract
Simple Summary Mutations of the NOTCH1 gene are a validated prognostic marker in chronic lymphocytic leukemia and a potential predictive marker for anti-CD20-based therapies. At present, the most frequent pathological alteration of the NOTCH1 gene is due to somatic genetic mutations, which have a multifaceted functional impact. However, beside NOTCH1 mutations, other factors may lead to activation of the NOTCH1 pathway, and these include mutations of FBXW7, MED12, SPEN, SF3B1 as well as other B-cell pathways. Understanding the preferential strategies though which CLL cells hijack NOTCH1 signaling may present important clues for designing targeted treatment strategies for the management of CLL. Abstract The Notch signaling pathway plays a fundamental role for the terminal differentiation of multiple cell types, including B and T lymphocytes. The Notch receptors are transmembrane proteins that, upon ligand engagement, undergo multiple processing steps that ultimately release their intracytoplasmic portion. The activated protein ultimately operates as a nuclear transcriptional co-factor, whose stability is finely regulated. The Notch pathway has gained growing attention in chronic lymphocytic leukemia (CLL) because of the high rate of somatic mutations of the NOTCH1 gene. In CLL, NOTCH1 mutations represent a validated prognostic marker and a potential predictive marker for anti-CD20-based therapies, as pathological alterations of the Notch pathway can provide significant growth and survival advantage to neoplastic clone. However, beside NOTCH1 mutation, other events have been demonstrated to perturb the Notch pathway, namely somatic mutations of upstream, or even apparently unrelated, proteins such as FBXW7, MED12, SPEN, SF3B1, as well as physiological signals from other pathways such as the B-cell receptor. Here we review these mechanisms of activation of the NOTCH1 pathway in the context of CLL; the resulting picture highlights how multiple different mechanisms, that might occur under specific genomic, phenotypic and microenvironmental contexts, ultimately result in the same search for proliferative and survival advantages (through activation of MYC), as well as immune escape and therapy evasion (from anti-CD20 biological therapies). Understanding the preferential strategies through which CLL cells hijack NOTCH1 signaling may present important clues for designing targeted treatment strategies for the management of CLL.
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Zhdanovskaya N, Firrincieli M, Lazzari S, Pace E, Scribani Rossi P, Felli MP, Talora C, Screpanti I, Palermo R. Targeting Notch to Maximize Chemotherapeutic Benefits: Rationale, Advanced Strategies, and Future Perspectives. Cancers (Basel) 2021; 13:cancers13205106. [PMID: 34680255 PMCID: PMC8533696 DOI: 10.3390/cancers13205106] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Revised: 10/03/2021] [Accepted: 10/06/2021] [Indexed: 12/15/2022] Open
Abstract
Simple Summary The Notch signaling pathway regulates cell proliferation, apoptosis, stem cell self-renewal, and differentiation in a context-dependent fashion both during embryonic development and in adult tissue homeostasis. Consistent with its pleiotropic physiological role, unproper activation of the signaling promotes or counteracts tumor pathogenesis and therapy response in distinct tissues. In the last twenty years, a wide number of studies have highlighted the anti-cancer potential of Notch-modulating agents as single treatment and in combination with the existent therapies. However, most of these strategies have failed in the clinical exploration due to dose-limiting toxicity and low efficacy, encouraging the development of novel agents and the design of more appropriate combinations between Notch signaling inhibitors and chemotherapeutic drugs with improved safety and effectiveness for distinct types of cancer. Abstract Notch signaling guides cell fate decisions by affecting proliferation, apoptosis, stem cell self-renewal, and differentiation depending on cell and tissue context. Given its multifaceted function during tissue development, both overactivation and loss of Notch signaling have been linked to tumorigenesis in ways that are either oncogenic or oncosuppressive, but always context-dependent. Notch signaling is critical for several mechanisms of chemoresistance including cancer stem cell maintenance, epithelial-mesenchymal transition, tumor-stroma interaction, and malignant neovascularization that makes its targeting an appealing strategy against tumor growth and recurrence. During the last decades, numerous Notch-interfering agents have been developed, and the abundant preclinical evidence has been transformed in orphan drug approval for few rare diseases. However, the majority of Notch-dependent malignancies remain untargeted, even if the application of Notch inhibitors alone or in combination with common chemotherapeutic drugs is being evaluated in clinical trials. The modest clinical success of current Notch-targeting strategies is mostly due to their limited efficacy and severe on-target toxicity in Notch-controlled healthy tissues. Here, we review the available preclinical and clinical evidence on combinatorial treatment between different Notch signaling inhibitors and existent chemotherapeutic drugs, providing a comprehensive picture of molecular mechanisms explaining the potential or lacking success of these combinations.
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Affiliation(s)
- Nadezda Zhdanovskaya
- Department of Molecular Medicine, Sapienza University of Rome, 00161 Rome, Italy; (N.Z.); (M.F.); (S.L.); (E.P.); (P.S.R.); (C.T.)
| | - Mariarosaria Firrincieli
- Department of Molecular Medicine, Sapienza University of Rome, 00161 Rome, Italy; (N.Z.); (M.F.); (S.L.); (E.P.); (P.S.R.); (C.T.)
- Center for Life Nano Science, Istituto Italiano di Tecnologia, 00161 Rome, Italy
| | - Sara Lazzari
- Department of Molecular Medicine, Sapienza University of Rome, 00161 Rome, Italy; (N.Z.); (M.F.); (S.L.); (E.P.); (P.S.R.); (C.T.)
| | - Eleonora Pace
- Department of Molecular Medicine, Sapienza University of Rome, 00161 Rome, Italy; (N.Z.); (M.F.); (S.L.); (E.P.); (P.S.R.); (C.T.)
| | - Pietro Scribani Rossi
- Department of Molecular Medicine, Sapienza University of Rome, 00161 Rome, Italy; (N.Z.); (M.F.); (S.L.); (E.P.); (P.S.R.); (C.T.)
| | - Maria Pia Felli
- Department of Experimental Medicine, Sapienza University of Rome, 00161 Rome, Italy;
| | - Claudio Talora
- Department of Molecular Medicine, Sapienza University of Rome, 00161 Rome, Italy; (N.Z.); (M.F.); (S.L.); (E.P.); (P.S.R.); (C.T.)
| | - Isabella Screpanti
- Department of Molecular Medicine, Sapienza University of Rome, 00161 Rome, Italy; (N.Z.); (M.F.); (S.L.); (E.P.); (P.S.R.); (C.T.)
- Correspondence: (I.S.); (R.P.)
| | - Rocco Palermo
- Department of Molecular Medicine, Sapienza University of Rome, 00161 Rome, Italy; (N.Z.); (M.F.); (S.L.); (E.P.); (P.S.R.); (C.T.)
- Center for Life Nano Science, Istituto Italiano di Tecnologia, 00161 Rome, Italy
- Correspondence: (I.S.); (R.P.)
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8
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Chronic Lymphocytic Leukemia (CLL): Biology and Therapy. Cancer Treat Res 2021. [PMID: 34626359 DOI: 10.1007/978-3-030-78311-2_8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register]
Abstract
Chronic lymphocytic leukemia (CLL), the most common leukemia in the western world, is characterized by the accumulation of monoclonal B-lymphocytes in the bone marrow and lymphoid organs. Signaling via the B-cell receptor and Bruton tyrosine kinase (BTK) as well as resistance to apoptosis mediated by Bcl-2 are hallmarks of CLL biology and have been exploited in recent years to revolutionize management. As a result of the development of novel therapies, most CLL patients now can be spared conventional chemotherapy and can be treated using highly effective regimens consisting of BTK inhibitors, the Bcl-2 inhibitor venetoclax, and anti -CD20 monoclonal antibodies. The impact of novel therapies is particularly pronounced for high-risk cases including those with TP53 deletions/mutations who previously had a dismal outcome with conventional chemoimmunotherapy. Allogeneic HCT is a potentially curative option for selected younger patients with multiply relapsed high-risk disease.
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9
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Del Poeta G, Biagi A, Laurenti L, Chiarenza A, Pozzo F, Innocenti I, Postorino M, Rossi FM, Del Principe MI, Bomben R, de Fabritiis P, Bruno A, Cantonetti M, Di Raimondo F, Zucchetto A, Gattei V. Impaired nodal shrinkage and apoptosis define the independent adverse outcome of NOTCH1 mutated patients under ibrutinib therapy in chronic lymphocytic leukaemia. Haematologica 2021; 106:2345-2353. [PMID: 32732360 PMCID: PMC8409042 DOI: 10.3324/haematol.2020.251488] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2020] [Indexed: 12/18/2022] Open
Abstract
The introduction of agents inhibiting the B-cell receptor-associated kinases such as ibrutinib has dramatically changed treatments algorithms of chronic lymphocytic leukemia (CLL) as well as the role of different adverse prognosticators. We evaluated the efficacy of ibrutinib as a single agent, in a real-life context, in 180 patients with CLL mostly pretreated, recruited from three independent cohorts from Italy. Patients received 420 mg oral ibrutinib once daily until progression or occurrence of unacceptable side effects. Seventy-three patients discontinued ibrutinib for progression or for adverse events. NOTCH1 mutations (NOTCH1 M) were correlated with a reduced redistribution lymphocytosis, calculated at 3 months on ibrutinib (P=0.022). Moreover, NOTCH1 M patients showed inferior nodal response at 6 months on ibrutinib compared to NOTCH1 wild-type patients (P<0.0001). Significant shorter progression free survival (PFS) and overall survival (OS) were observed in NOTCH1 M patients (P=0.00002 and P=0.001). Interestingly, NOTCH1 M plus a lower BAX/BCL-2 ratio identified a CLL subset showing the worst PFS and OS (P=0.0002 and P=0.005). In multivariate analysis of PFS and OS, NOTCH1 M were confirmed an independent prognosticator (P=0.00006 and P=0.0039). In conclusion, NOTCH1 M are strongly associated with a lower BAX/BCL-2 ratio, consistent with defective apoptosis, lower redistribution lymphocytosis and lower nodal shrinkage under ibrutinib treatment, this last paramter being responsible for partial responses, subsequent relapses, as well as shorter PFS and OS. Either new small molecule combination approaches or antibodies targeting NOTCH1 could be future therapeutic options for NOTCH1 M patients.
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Affiliation(s)
- Giovanni Del Poeta
- Hematology, Dept of Biomedicine and Prevention, University Tor Vergata, Rome, Italy
| | - Annalisa Biagi
- Hematology, Dept of Biomedicine and Prevention, University Tor Vergata, Rome, Italy
| | - Luca Laurenti
- Division of Hematology, Universita' Cattolica del Sacro Cuore, Rome, Italy
| | | | - Federico Pozzo
- Cinical and Experimental Hematology Unit, CRO, IRCCS, Aviano (PN), Italy
| | - Idanna Innocenti
- Division of Hematology, Universita' Cattolica del Sacro Cuore, Rome, Italy
| | | | | | | | - Riccardo Bomben
- Cinical and Experimental Hematology Unit, CRO, IRCCS, Aviano (PN), Italy
| | - Paolo de Fabritiis
- Hematology, Dept of Biomedicine and Prevention, University Tor Vergata, Rome, Italy
| | - Antonio Bruno
- Hematology, Dept of Biomedicine and Prevention, University Tor Vergata, Rome, Italy
| | - Maria Cantonetti
- Hematology, Dept of Biomedicine and Prevention, University Tor Vergata, Rome, Italy
| | | | | | - Valter Gattei
- Cinical and Experimental Hematology Unit, CRO, IRCCS, Aviano (PN), Italy
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10
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Putowski M, Giannopoulos K. Perspectives on Precision Medicine in Chronic Lymphocytic Leukemia: Targeting Recurrent Mutations-NOTCH1, SF3B1, MYD88, BIRC3. J Clin Med 2021; 10:jcm10163735. [PMID: 34442029 PMCID: PMC8396993 DOI: 10.3390/jcm10163735] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Revised: 08/13/2021] [Accepted: 08/19/2021] [Indexed: 12/15/2022] Open
Abstract
Chronic lymphocytic leukemia (CLL) is highly heterogeneous, with extremely variable clinical course. The clinical heterogeneity of CLL reflects differences in the biology of the disease, including chromosomal alterations, specific immunophenotypic patterns and serum markers. The application of next-generation sequencing techniques has demonstrated the high genetic and epigenetic heterogeneity in CLL. The novel mutations could be pharmacologically targeted for individualized approach in some of the CLL patients. Potential neurogenic locus notch homolog protein 1 (NOTCH1) signalling targeting mechanisms in CLL include secretase inhibitors and specific antibodies to block NOTCH ligand/receptor interactions. In vitro studies characterizing the effect of the splicing inhibitors resulted in increased apoptosis of CLL cells regardless of splicing factor 3B subunit 1 (SF3B1) status. Several therapeutic strategies have been also proposed to directly or indirectly inhibit the toll-like receptor/myeloid differentiation primary response gene 88 (TLR/MyD88) pathway. Another potential approach is targeting nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB) and inhibition of this prosurvival pathway. Newly discovered mutations and their signalling pathways play key roles in the course of the disease. This opens new opportunities in the management and treatment of CLL.
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Affiliation(s)
- Maciej Putowski
- Department of Experimental Hematooncology, Medical University of Lublin, 20-093 Lublin, Poland;
- Correspondence: ; Tel.: +48-81-448-66-32
| | - Krzysztof Giannopoulos
- Department of Experimental Hematooncology, Medical University of Lublin, 20-093 Lublin, Poland;
- Department of Hematology, St. John’s Cancer Center, 20-090 Lublin, Poland
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11
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Kuek V, Hughes AM, Kotecha RS, Cheung LC. Therapeutic Targeting of the Leukaemia Microenvironment. Int J Mol Sci 2021; 22:6888. [PMID: 34206957 PMCID: PMC8267786 DOI: 10.3390/ijms22136888] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Revised: 06/18/2021] [Accepted: 06/23/2021] [Indexed: 02/06/2023] Open
Abstract
In recent decades, the conduct of uniform prospective clinical trials has led to improved remission rates and survival for patients with acute myeloid leukaemia and acute lymphoblastic leukaemia. However, high-risk patients continue to have inferior outcomes, where chemoresistance and relapse are common due to the survival mechanisms utilised by leukaemic cells. One such mechanism is through hijacking of the bone marrow microenvironment, where healthy haematopoietic machinery is transformed or remodelled into a hiding ground or "sanctuary" where leukaemic cells can escape chemotherapy-induced cytotoxicity. The bone marrow microenvironment, which consists of endosteal and vascular niches, can support leukaemogenesis through intercellular "crosstalk" with niche cells, including mesenchymal stem cells, endothelial cells, osteoblasts, and osteoclasts. Here, we summarise the regulatory mechanisms associated with leukaemia-bone marrow niche interaction and provide a comprehensive review of the key therapeutics that target CXCL12/CXCR4, Notch, Wnt/b-catenin, and hypoxia-related signalling pathways within the leukaemic niches and agents involved in remodelling of niche bone and vasculature. From a therapeutic perspective, targeting these cellular interactions is an exciting novel strategy for enhancing treatment efficacy, and further clinical application has significant potential to improve the outcome of patients with leukaemia.
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Affiliation(s)
- Vincent Kuek
- Leukaemia Translational Research Laboratory, Telethon Kids Cancer Centre, Telethon Kids Institute, Perth, WA 6009, Australia; (V.K.); (A.M.H.); (R.S.K.)
- Curtin Medical School, Curtin University, Perth, WA 6102, Australia
- School of Biomedical Sciences, University of Western Australia, Perth, WA 6009, Australia
| | - Anastasia M. Hughes
- Leukaemia Translational Research Laboratory, Telethon Kids Cancer Centre, Telethon Kids Institute, Perth, WA 6009, Australia; (V.K.); (A.M.H.); (R.S.K.)
- Curtin Medical School, Curtin University, Perth, WA 6102, Australia
| | - Rishi S. Kotecha
- Leukaemia Translational Research Laboratory, Telethon Kids Cancer Centre, Telethon Kids Institute, Perth, WA 6009, Australia; (V.K.); (A.M.H.); (R.S.K.)
- Curtin Medical School, Curtin University, Perth, WA 6102, Australia
- Department of Clinical Haematology, Oncology, Blood and Marrow Transplantation, Perth Children’s Hospital, Perth, WA 6009, Australia
- School of Medicine, University of Western Australia, Perth, WA 6009, Australia
| | - Laurence C. Cheung
- Leukaemia Translational Research Laboratory, Telethon Kids Cancer Centre, Telethon Kids Institute, Perth, WA 6009, Australia; (V.K.); (A.M.H.); (R.S.K.)
- Curtin Medical School, Curtin University, Perth, WA 6102, Australia
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12
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López-Oreja I, Playa-Albinyana H, Arenas F, López-Guerra M, Colomer D. Challenges with Approved Targeted Therapies against Recurrent Mutations in CLL: A Place for New Actionable Targets. Cancers (Basel) 2021; 13:3150. [PMID: 34202439 PMCID: PMC8269088 DOI: 10.3390/cancers13133150] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2021] [Revised: 06/19/2021] [Accepted: 06/21/2021] [Indexed: 12/17/2022] Open
Abstract
Chronic lymphocytic leukemia (CLL) is characterized by a high degree of genetic variability and interpatient heterogeneity. In the last decade, novel alterations have been described. Some of them impact on the prognosis and evolution of patients. The approval of BTK inhibitors, PI3K inhibitors and Bcl-2 inhibitors has drastically changed the treatment of patients with CLL. The effect of these new targeted therapies has been widely analyzed in TP53-mutated cases, but few data exist about the response of patients carrying other recurrent mutations. In this review, we describe the biological pathways recurrently altered in CLL that might have an impact on the response to these new therapies together with the possibility to use new actionable targets to optimize treatment responses.
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Affiliation(s)
- Irene López-Oreja
- Experimental Therapies in Lymphoid Neoplasms, Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain; (I.L.-O.); (H.P.-A.); (F.A.); (M.L.-G.)
- Centro de Investigación Biomédica en Red en Oncología (CIBERONC), 28029 Madrid, Spain
- Centre for Genomic Regulation (CRG), The Barcelona Institute of Science and Technology, 08003 Barcelona, Spain
- Universitat Pompeu Fabra, 08005 Barcelona, Spain
| | - Heribert Playa-Albinyana
- Experimental Therapies in Lymphoid Neoplasms, Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain; (I.L.-O.); (H.P.-A.); (F.A.); (M.L.-G.)
- Centro de Investigación Biomédica en Red en Oncología (CIBERONC), 28029 Madrid, Spain
| | - Fabián Arenas
- Experimental Therapies in Lymphoid Neoplasms, Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain; (I.L.-O.); (H.P.-A.); (F.A.); (M.L.-G.)
- Centro de Investigación Biomédica en Red en Oncología (CIBERONC), 28029 Madrid, Spain
| | - Mónica López-Guerra
- Experimental Therapies in Lymphoid Neoplasms, Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain; (I.L.-O.); (H.P.-A.); (F.A.); (M.L.-G.)
- Centro de Investigación Biomédica en Red en Oncología (CIBERONC), 28029 Madrid, Spain
- Hematopathology Section, Hospital Clínic, University of Barcelona, 08036 Barcelona, Spain
| | - Dolors Colomer
- Experimental Therapies in Lymphoid Neoplasms, Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), 08036 Barcelona, Spain; (I.L.-O.); (H.P.-A.); (F.A.); (M.L.-G.)
- Centro de Investigación Biomédica en Red en Oncología (CIBERONC), 28029 Madrid, Spain
- Hematopathology Section, Hospital Clínic, University of Barcelona, 08036 Barcelona, Spain
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13
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Pedrosa L, Fernández-Miranda I, Pérez-Callejo D, Quero C, Rodríguez M, Martín-Acosta P, Gómez S, González-Rincón J, Santos A, Tarin C, García JF, García-Arroyo FR, Rueda A, Camacho FI, García-Cosío M, Heredero A, Llanos M, Mollejo M, Piris-Villaespesa M, Gómez-Codina J, Yanguas-Casás N, Sánchez A, Piris MA, Provencio M, Sánchez-Beato M. Proposal and validation of a method to classify genetic subtypes of diffuse large B cell lymphoma. Sci Rep 2021; 11:1886. [PMID: 33479306 PMCID: PMC7820010 DOI: 10.1038/s41598-020-80376-0] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Accepted: 12/21/2020] [Indexed: 12/16/2022] Open
Abstract
Diffuse large B-cell lymphoma (DLBCL) is a heterogeneous disease whose prognosis is associated with clinical features, cell-of-origin and genetic aberrations. Recent integrative, multi-omic analyses had led to identifying overlapping genetic DLBCL subtypes. We used targeted massive sequencing to analyze 84 diagnostic samples from a multicenter cohort of patients with DLBCL treated with rituximab-containing therapies and a median follow-up of 6 years. The most frequently mutated genes were IGLL5 (43%), KMT2D (33.3%), CREBBP (28.6%), PIM1 (26.2%), and CARD11 (22.6%). Mutations in CD79B were associated with a higher risk of relapse after treatment, whereas patients with mutations in CD79B, ETS1, and CD58 had a significantly shorter survival. Based on the new genetic DLBCL classifications, we tested and validated a simplified method to classify samples in five genetic subtypes analyzing the mutational status of 26 genes and BCL2 and BCL6 translocations. We propose a two-step genetic DLBCL classifier (2-S), integrating the most significant features from previous algorithms, to classify the samples as N12-S, EZB2-S, MCD2-S, BN22-S, and ST22-S groups. We determined its sensitivity and specificity, compared with the other established algorithms, and evaluated its clinical impact. The results showed that ST22-S is the group with the best clinical outcome and N12-S, the more aggressive one. EZB2-S identified a subgroup with a worse prognosis among GCB-DLBLC cases.
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Affiliation(s)
- Lucía Pedrosa
- Lymphoma Research Group, Medical Oncology Department, Instituto de Investigación Sanitaria Puerta de Hierro-Segovia de Arana, Majadahonda, Madrid, Spain.,PhD Program in Molecular Biosciences, Doctoral School, Universidad Autónoma de Madrid, Madrid, Spain
| | - Ismael Fernández-Miranda
- Lymphoma Research Group, Medical Oncology Department, Instituto de Investigación Sanitaria Puerta de Hierro-Segovia de Arana, Majadahonda, Madrid, Spain.,PhD Program in Molecular Biosciences, Doctoral School, Universidad Autónoma de Madrid, Madrid, Spain
| | - David Pérez-Callejo
- Medical Oncology Department, Hospital Universitario Puerta de Hierro-Majadahonda, Madrid, Spain.,PhD Program in Medicine and Surgery, Doctoral School, Universidad Autónoma de Madrid, Madrid, Spain
| | - Cristina Quero
- Medical Oncology Department, Hospital Universitario Virgen de La Victoria, Malaga, Spain
| | - Marta Rodríguez
- Pathology Department, Hospital Fundación Jiménez Díaz, Madrid, Spain.,Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain
| | - Paloma Martín-Acosta
- Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain.,Molecular Pathology Laboratory, Instituto de Investigación Sanitaria Puerta de Hierro-Segovia de Arana, Madrid, Spain
| | - Sagrario Gómez
- Lymphoma Research Group, Medical Oncology Department, Instituto de Investigación Sanitaria Puerta de Hierro-Segovia de Arana, Majadahonda, Madrid, Spain
| | - Julia González-Rincón
- Lymphoma Research Group, Medical Oncology Department, Instituto de Investigación Sanitaria Puerta de Hierro-Segovia de Arana, Majadahonda, Madrid, Spain.,Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain
| | - Adrián Santos
- Molecular Pathology Laboratory, Instituto de Investigación Sanitaria Puerta de Hierro-Segovia de Arana, Madrid, Spain
| | - Carlos Tarin
- Bioinformatics Unit, Instituto de Investigación Sanitaria Puerta de Hierro-Segovia de Arana, Madrid, Spain.,Basic Medical Sciences, Faculty of Medicine, Universidad CEU San Pablo, Madrid, Spain
| | - Juan F García
- Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain.,Pathology Department, MD Anderson Cancer Center, Madrid, Spain
| | | | - Antonio Rueda
- Medical Oncology Department, Hospitales Universitarios Regional y Virgen de La Victoria, IBIMA, Malaga, Spain
| | | | | | - Ana Heredero
- Lymphoma Research Group, Medical Oncology Department, Instituto de Investigación Sanitaria Puerta de Hierro-Segovia de Arana, Majadahonda, Madrid, Spain
| | - Marta Llanos
- Medical Oncology Department, Hospital Universitario de Canarias, Tenerife, Spain
| | - Manuela Mollejo
- Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain.,Pathology Department, Complejo Hospitalario de Toledo, Toledo, Spain
| | | | - José Gómez-Codina
- Medical Oncology Department, Hospital Universitari i Politècnic La Fe, Valencia, Spain
| | - Natalia Yanguas-Casás
- Lymphoma Research Group, Medical Oncology Department, Instituto de Investigación Sanitaria Puerta de Hierro-Segovia de Arana, Majadahonda, Madrid, Spain
| | - Antonio Sánchez
- Medical Oncology Department, Hospital Universitario Puerta de Hierro-Majadahonda, Madrid, Spain
| | - Miguel A Piris
- Pathology Department, Hospital Fundación Jiménez Díaz, Madrid, Spain.,Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain
| | - Mariano Provencio
- Medical Oncology Department, Hospital Universitario Puerta de Hierro-Majadahonda, Madrid, Spain
| | - Margarita Sánchez-Beato
- Lymphoma Research Group, Medical Oncology Department, Instituto de Investigación Sanitaria Puerta de Hierro-Segovia de Arana, Majadahonda, Madrid, Spain. .,Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain.
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14
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Maqbool MG, Lim JH, Jain S, Talaulikar D. Genomic profiling of CD20 negative diffuse large B cell lymphoma identifies targetable mutations: A case report. EJHAEM 2020; 1:593-595. [PMID: 35844989 PMCID: PMC9175822 DOI: 10.1002/jha2.93] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Accepted: 08/20/2020] [Indexed: 01/01/2023]
Affiliation(s)
- M. Gohar Maqbool
- Department of HaematologyACT PathologyCanberra HospitalCanberraACTAustralia
- Haematology Translational Research UnitCanberra HospitalCanberraACTAustralia
| | - Jun Hee Lim
- Haematology Translational Research UnitCanberra HospitalCanberraACTAustralia
- ANU Medical SchoolCollege of Medicine and HealthAustralian National UniversityCanberraACTAustralia
| | - Sanjiv Jain
- Department of Anatomical PathologyACT PathologyCanberra HospitalCanberraACTAustralia
| | - Dipti Talaulikar
- Department of HaematologyACT PathologyCanberra HospitalCanberraACTAustralia
- Haematology Translational Research UnitCanberra HospitalCanberraACTAustralia
- ANU Medical SchoolCollege of Medicine and HealthAustralian National UniversityCanberraACTAustralia
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15
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Delgado J, Nadeu F, Colomer D, Campo E. Chronic lymphocytic leukemia: from molecular pathogenesis to novel therapeutic strategies. Haematologica 2020; 105:2205-2217. [PMID: 33054046 PMCID: PMC7556519 DOI: 10.3324/haematol.2019.236000] [Citation(s) in RCA: 46] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2020] [Accepted: 06/18/2020] [Indexed: 12/31/2022] Open
Abstract
Chronic lymphocytic leukemia is a well-defined lymphoid neoplasm with very heterogeneous biological and clinical behavior. The last decade has been remarkably fruitful in novel findings elucidating multiple aspects of the pathogenesis of the disease including mechanisms of genetic susceptibility, insights into the relevance of immunogenetic factors driving the disease, profiling of genomic alterations, epigenetic subtypes, global epigenomic tumor cell reprogramming, modulation of tumor cell and microenvironment interactions, and dynamics of clonal evolution from early steps in monoclonal B cell lymphocytosis to progression and transformation into diffuse large B-cell lymphoma. All this knowledge has offered new perspectives that are being exploited therapeutically with novel target agents and management strategies. In this review we provide an overview of these novel advances and highlight questions and perspectives that need further progress to translate into the clinics the biological knowledge and improve the outcome of the patients.
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Affiliation(s)
- Julio Delgado
- Department of Hematology, Hospital Clínic, University of Barcelona, Barcelona
- Centro de Investigación Biomédica en Red en Oncologia (CIBERONC), Madrid
- Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona
| | - Ferran Nadeu
- Centro de Investigación Biomédica en Red en Oncologia (CIBERONC), Madrid
- Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona
| | - Dolors Colomer
- Centro de Investigación Biomédica en Red en Oncologia (CIBERONC), Madrid
- Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona
- Hematopathology Section, Hospital Clínic, University of Barcelona, Barcelona, Spain
| | - Elias Campo
- Centro de Investigación Biomédica en Red en Oncologia (CIBERONC), Madrid
- Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona
- Hematopathology Section, Hospital Clínic, University of Barcelona, Barcelona, Spain
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16
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Targeting Nuclear NOTCH2 by Gliotoxin Recovers a Tumor-Suppressor NOTCH3 Activity in CLL. Cells 2020; 9:cells9061484. [PMID: 32570839 PMCID: PMC7348714 DOI: 10.3390/cells9061484] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Revised: 05/29/2020] [Accepted: 06/08/2020] [Indexed: 12/14/2022] Open
Abstract
NOTCH signaling represents a promising therapeutic target in chronic lymphocytic leukemia (CLL). We compared the anti-neoplastic effects of the nuclear NOTCH2 inhibitor gliotoxin and the pan-NOTCH γ-secretase inhibitor RO4929097 in primary CLL cells with special emphasis on the individual roles of the different NOTCH receptors. Gliotoxin rapidly induced apoptosis in all CLL cases tested, whereas RO4929097 exerted a variable and delayed effect on CLL cell viability. Gliotoxin-induced apoptosis was associated with inhibition of the NOTCH2/FCER2 (CD23) axis together with concomitant upregulation of the NOTCH3/NR4A1 axis. In contrast, RO4929097 downregulated the NOTCH3/NR4A1 axis and counteracted the spontaneous and gliotoxin-induced apoptosis. On the cell surface, NOTCH3 and CD23 expression were mutually exclusive, suggesting that downregulation of NOTCH2 signaling is a prerequisite for NOTCH3 expression in CLL cells. ATAC-seq confirmed that gliotoxin targeted the canonical NOTCH signaling, as indicated by the loss of chromatin accessibility at the potential NOTCH/CSL site containing the gene regulatory elements. This was accompanied by a gain in accessibility at the NR4A1, NFκB, and ATF3 motifs close to the genes involved in B-cell activation, differentiation, and apoptosis. In summary, these data show that gliotoxin recovers a non-canonical tumor-suppressing NOTCH3 activity, indicating that nuclear NOTCH2 inhibitors might be beneficial compared to pan-NOTCH inhibitors in the treatment of CLL.
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17
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Ring A, Zenz T. Genetics of "high-risk" chronic lymphocytic leukemia in the times of chemoimmunotherapy. Haematologica 2020; 105:1180-1182. [PMID: 32358080 DOI: 10.3324/haematol.2020.246504] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Affiliation(s)
- Alexander Ring
- Department of Medical Oncology and Haematology, University Hospital Zurich and University of Zurich, Zurich, Switzerland
| | - Thorsten Zenz
- Department of Medical Oncology and Haematology, University Hospital Zurich and University of Zurich, Zurich, Switzerland
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18
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Silkenstedt E, Arenas F, Colom-Sanmartí B, Xargay-Torrent S, Higashi M, Giró A, Rodriguez V, Fuentes P, Aulitzky WE, van der Kuip H, Beà S, Toribio ML, Campo E, López-Guerra M, Colomer D. Notch1 signaling in NOTCH1-mutated mantle cell lymphoma depends on Delta-Like ligand 4 and is a potential target for specific antibody therapy. JOURNAL OF EXPERIMENTAL & CLINICAL CANCER RESEARCH : CR 2019; 38:446. [PMID: 31676012 PMCID: PMC6825347 DOI: 10.1186/s13046-019-1458-7] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/22/2019] [Accepted: 10/17/2019] [Indexed: 12/12/2022]
Abstract
Background NOTCH1 gene mutations in mantle cell lymphoma (MCL) have been described in about 5–10% of cases and are associated with significantly shorter survival rates. The present study aimed to investigate the biological impact of this mutation in MCL and its potential as a therapeutic target. Methods Activation of Notch1 signaling upon ligand-stimulation and inhibitory effects of the monoclonal anti-Notch1 antibody OMP-52M51 in NOTCH1-mutated and -unmutated MCL cells were assessed by Western Blot and gene expression profiling. Effects of OMP-52M51 treatment on tumor cell migration and tumor angiogenesis were evaluated with chemotaxis and HUVEC tube formation assays. The expression of Delta-like ligand 4 (DLL4) in MCL lymph nodes was analyzed by immunofluorescence staining and confocal microscopy. A MCL mouse model was used to assess the activity of OMP-52M51 in vivo. Results Notch1 expression can be effectively stimulated in NOTCH1-mutated Mino cells by DLL4, whereas in the NOTCH1-unmutated cell line JeKo-1, less effect was observed upon any ligand-stimulation. DLL4 was expressed by histiocytes in both, NOTCH1-mutated and –unmutated MCL lymph nodes. Treatment of NOTCH1-mutated MCL cells with the monoclonal anti-Notch1 antibody OMP-52M51 effectively prevented DLL4-dependent activation of Notch1 and suppressed the induction of numerous direct Notch target genes involved in lymphoid biology, lymphomagenesis and disease progression. Importantly, in lymph nodes from primary MCL cases with NOTCH1/2 mutations, we detected an upregulation of the same gene sets as observed in DLL4-stimulated Mino cells. Furthermore, DLL4 stimulation of NOTCH1-mutated Mino cells enhanced tumor cell migration and angiogenesis, which could be abolished by treatment with OMP-52M51. Importantly, the effects observed were specific for NOTCH1-mutated cells as they did not occur in the NOTCH1-wt cell line JeKo-1. Finally, we confirmed the potential activity of OMP-52M51 to inhibit DLL4-induced Notch1-Signaling in vivo in a xenograft mouse model of MCL. Conclusion DLL4 effectively stimulates Notch1 signaling in NOTCH1-mutated MCL and is expressed by the microenvironment in MCL lymph nodes. Our results indicate that specific inhibition of the Notch1-ligand-receptor interaction might provide a therapeutic alternative for a subset of MCL patients.
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Affiliation(s)
- Elisabeth Silkenstedt
- Experimental Therapeutics in Lymphoid Malignancies Group, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain.,Department of Internal Medicine III, University Hospital, Ludwig Maximilian University, Munich, Germany.,Dr. Margarete Fischer-Bosch-Institute of Clinical Pharmacology and University of Tuebingen, Stuttgart, Germany
| | - Fabian Arenas
- Experimental Therapeutics in Lymphoid Malignancies Group, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain.,Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain
| | - Berta Colom-Sanmartí
- Experimental Therapeutics in Lymphoid Malignancies Group, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
| | - Sílvia Xargay-Torrent
- Experimental Therapeutics in Lymphoid Malignancies Group, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
| | - Morihiro Higashi
- Experimental Therapeutics in Lymphoid Malignancies Group, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
| | - Ariadna Giró
- Experimental Therapeutics in Lymphoid Malignancies Group, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain.,Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain
| | - Vanina Rodriguez
- Experimental Therapeutics in Lymphoid Malignancies Group, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
| | - Patricia Fuentes
- Centro de Biología Molecular Severo Ochoa, Consejo Superior de Investigaciones Científicas, Universidad Autónoma de Madrid, Madrid, Spain
| | - Walter E Aulitzky
- Department of Hematology and Oncology, Robert-Bosch-Hospital, Stuttgart, Germany
| | - Heiko van der Kuip
- Dr. Margarete Fischer-Bosch-Institute of Clinical Pharmacology and University of Tuebingen, Stuttgart, Germany
| | - Sílvia Beà
- Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain.,Lymphoid Neoplasm Program, IDIBAPS, Barcelona, Spain
| | - Maria L Toribio
- Centro de Biología Molecular Severo Ochoa, Consejo Superior de Investigaciones Científicas, Universidad Autónoma de Madrid, Madrid, Spain
| | - Elias Campo
- Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain.,Lymphoid Neoplasm Program, IDIBAPS, Barcelona, Spain.,Hematopathology Section, Hospital Clínic, Barcelona, Spain.,University of Barcelona, Barcelona, Spain
| | - Mònica López-Guerra
- Experimental Therapeutics in Lymphoid Malignancies Group, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain.,Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain.,Hematopathology Section, Hospital Clínic, Barcelona, Spain
| | - Dolors Colomer
- Experimental Therapeutics in Lymphoid Malignancies Group, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain. .,Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain. .,Hematopathology Section, Hospital Clínic, Barcelona, Spain. .,University of Barcelona, Barcelona, Spain.
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19
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Specific NOTCH1 antibody targets DLL4-induced proliferation, migration, and angiogenesis in NOTCH1-mutated CLL cells. Oncogene 2019; 39:1185-1197. [PMID: 31616059 PMCID: PMC7002297 DOI: 10.1038/s41388-019-1053-6] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2018] [Revised: 09/10/2019] [Accepted: 10/01/2019] [Indexed: 11/30/2022]
Abstract
Targeting Notch signaling has emerged as a promising therapeutic strategy for chronic lymphocytic leukemia (CLL), particularly in NOTCH1-mutated patients. We provide first evidence that the Notch ligand DLL4 is a potent stimulator of Notch signaling in NOTCH1-mutated CLL cells while increases cell proliferation. Importantly, DLL4 is expressed in histiocytes from the lymph node, both in NOTCH1-mutated and -unmutated cases. We also show that the DLL4-induced activation of the Notch signaling pathway can be efficiently blocked with the specific anti-Notch1 antibody OMP-52M51. Accordingly, OMP-52M51 also reverses Notch-induced MYC, CCND1, and NPM1 gene expression as well as cell proliferation in NOTCH1-mutated CLL cells. In addition, DLL4 stimulation triggers the expression of protumor target genes, such as CXCR4, NRARP, and VEGFA, together with an increase in cell migration and angiogenesis. All these events can be antagonized by OMP-52M51. Collectively, our results emphasize the role of DLL4 stimulation in NOTCH1-mutated CLL and confirm the specific therapeutic targeting of Notch1 as a promising approach for this group of poor prognosis CLL patients.
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20
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Del Papa B, Baldoni S, Dorillo E, De Falco F, Rompietti C, Cecchini D, Cantelmi MG, Sorcini D, Nogarotto M, Adamo FM, Mezzasoma F, Silva Barcelos EC, Albi E, Iacucci Ostini R, Di Tommaso A, Marra A, Montanaro G, Martelli MP, Falzetti F, Di Ianni M, Rosati E, Sportoletti P. Decreased NOTCH1 Activation Correlates with Response to Ibrutinib in Chronic Lymphocytic Leukemia. Clin Cancer Res 2019; 25:7540-7553. [PMID: 31578228 DOI: 10.1158/1078-0432.ccr-19-1009] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2019] [Revised: 08/02/2019] [Accepted: 09/24/2019] [Indexed: 11/16/2022]
Abstract
PURPOSE Ibrutinib, a Bruton tyrosine kinase inhibitor (BTKi), has improved the outcomes of chronic lymphocytic leukemia (CLL), but primary resistance or relapse are issues of increasing significance. While the predominant mechanism of action of BTKi is the B-cell receptor (BCR) blockade, many off-target effects are unknown. We investigated potential interactions between BCR pathway and NOTCH1 activity in ibrutinib-treated CLL to identify new mechanisms of therapy resistance and markers to monitor disease response. EXPERIMENTAL DESIGN NOTCH activations was evaluated either in vitro and ex vivo in CLL samples after ibrutinib treatment by Western blotting. Confocal proximity ligation assay (PLA) experiments and analyses of down-targets of NOTCH1 by qRT-PCR were used to investigate the cross-talk between BTK and NOTCH1. RESULTS In vitro ibrutinib treatment of CLL significantly reduced activated NOTCH1/2 and induced dephosphorylation of eIF4E, a NOTCH target in CLL. BCR stimulation increased the expression of activated NOTCH1 that accumulated in the nucleus leading to HES1, DTX1, and c-MYC transcription. Results of in situ PLA experiments revealed the presence of NOTCH1-ICD/BTK complexes, whose number was reduced after ibrutinib treatment. In ibrutinib-treated CLL patients, leukemic cells showed NOTCH1 activity downregulation that deepened over time. The NOTCH1 signaling was restored at relapse and remained activated in ibrutinib-resistant CLL cells. CONCLUSIONS We demonstrated a strong clinical activity of ibrutinib in a real-life context. The ibrutinib clinical efficacy was associated with NOTCH1 activity downregulation that deepened over time. Our data point to NOTCH1 as a new molecular partner in BCR signaling with potential to further improve CLL-targeted treatments.
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Affiliation(s)
- Beatrice Del Papa
- Institute of Hematology-Centro di Ricerca Emato-Oncologica (CREO), University of Perugia, Perugia, Italy
| | - Stefano Baldoni
- Institute of Hematology-Centro di Ricerca Emato-Oncologica (CREO), University of Perugia, Perugia, Italy.,Department of Life, Health and Environmental Sciences, Hematology Section, University of L'Aquila, L'Aquila, Italy
| | - Erica Dorillo
- Institute of Hematology-Centro di Ricerca Emato-Oncologica (CREO), University of Perugia, Perugia, Italy
| | - Filomena De Falco
- Institute of Hematology-Centro di Ricerca Emato-Oncologica (CREO), University of Perugia, Perugia, Italy
| | - Chiara Rompietti
- Institute of Hematology-Centro di Ricerca Emato-Oncologica (CREO), University of Perugia, Perugia, Italy
| | - Debora Cecchini
- Institute of Hematology-Centro di Ricerca Emato-Oncologica (CREO), University of Perugia, Perugia, Italy
| | - Maria Grazia Cantelmi
- Institute of Hematology-Centro di Ricerca Emato-Oncologica (CREO), University of Perugia, Perugia, Italy
| | - Daniele Sorcini
- Institute of Hematology-Centro di Ricerca Emato-Oncologica (CREO), University of Perugia, Perugia, Italy
| | - Manuel Nogarotto
- Institute of Hematology-Centro di Ricerca Emato-Oncologica (CREO), University of Perugia, Perugia, Italy
| | - Francesco Maria Adamo
- Institute of Hematology-Centro di Ricerca Emato-Oncologica (CREO), University of Perugia, Perugia, Italy
| | - Federica Mezzasoma
- Institute of Hematology-Centro di Ricerca Emato-Oncologica (CREO), University of Perugia, Perugia, Italy
| | - Estevão Carlos Silva Barcelos
- Institute of Hematology-Centro di Ricerca Emato-Oncologica (CREO), University of Perugia, Perugia, Italy.,Department of Biological Sciences, Postgraduate Program in Biotechnology (UFES), Federal University of Espirito Santo, Vitória-ES, Brazil
| | - Elisa Albi
- Institute of Hematology-Centro di Ricerca Emato-Oncologica (CREO), University of Perugia, Perugia, Italy
| | - Roberta Iacucci Ostini
- Institute of Hematology-Centro di Ricerca Emato-Oncologica (CREO), University of Perugia, Perugia, Italy
| | - Ambra Di Tommaso
- Department of Life, Health and Environmental Sciences, Hematology Section, University of L'Aquila, L'Aquila, Italy
| | - Andrea Marra
- Institute of Hematology-Centro di Ricerca Emato-Oncologica (CREO), University of Perugia, Perugia, Italy
| | - Guido Montanaro
- Institute of Hematology-Centro di Ricerca Emato-Oncologica (CREO), University of Perugia, Perugia, Italy.,Department of Hematology, Transfusion Medicine and Biotechnologies, Ospedale Civile, Pescara, Italy
| | - Maria Paola Martelli
- Institute of Hematology-Centro di Ricerca Emato-Oncologica (CREO), University of Perugia, Perugia, Italy
| | - Franca Falzetti
- Institute of Hematology-Centro di Ricerca Emato-Oncologica (CREO), University of Perugia, Perugia, Italy
| | - Mauro Di Ianni
- Department of Hematology, Transfusion Medicine and Biotechnologies, Ospedale Civile, Pescara, Italy.,Department of Medicine and Aging Sciences, University of Chieti Pescara, Chieti, Italy
| | - Emanuela Rosati
- Department of Experimental Medicine, Biosciences and Medical Embriology Section, University of Perugia, Perugia, Italy
| | - Paolo Sportoletti
- Institute of Hematology-Centro di Ricerca Emato-Oncologica (CREO), University of Perugia, Perugia, Italy.
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21
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Koo SC, Janeway KA, Harris MH, Fryer CJ, Aster JC, Al-Ibraheemi A, Church AJ. A Distinctive Genomic and Immunohistochemical Profile for NOTCH3 and PDGFRB in Myofibroma With Diagnostic and Therapeutic Implications. Int J Surg Pathol 2019; 28:128-137. [DOI: 10.1177/1066896919876703] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Introduction. Myofibromas are rare tumors of pericytic lineage, typically affecting children, and are sometimes aggressive. A subset of sporadic and familial myofibromas have activating variants in PDGFRB. The relationship of myofibroma and PDGFRB to the NOTCH pathway has not yet been described. Methods. Ten myofibroma cases were sequenced with a targeted panel of 447 genes, including copy number variation and selected fusions. Immunohistochemical analysis of total NOTCH3 and activated NOTCH3 was assessed for all 10 myofibroma cases, and a series of histologic mimics (n = 20). Results. Alterations identified by next-generation sequencing included PDGFRB sequence variants in 8/10 cases (80%), a NOTCH3 variant in 1/10 cases (10%), and a NOTCH2 variant in 1/10 cases (10%). All 10 cases also showed a pattern of low-amplitude (1.5- to 2-fold) copy number alterations including gains in PDGFRB and NOTCH3. Ten of 10 myofibromas (100%) showed cytoplasmic staining for total NOTCH3 and 9 of 10 cases (90%) showed nuclear staining for activated NOTCH3. Within the control cohort of histologic mimics, 3 of 3 nodular fasciitis cases (100%) were positive for activated and total NOTCH3, and the remaining 17 cases were negative for pan NOTCH3, while 3 of 3 desmoid-type fibromatosis cases (100%) showed patchy weak nuclear staining for activated NOTCH3. Discussion. Our findings suggest a common pathway of PDGFRB/NOTCH3 activation in myofibromas, even in cases that lack PDGFRB sequence variants. These results support the pericytic lineage of myofibroma. Identification of the characteristic genomic alterations or immunohistochemical staining pattern may facilitate a difficult pathologic diagnosis, and support the use of targeted treatments.
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Affiliation(s)
- Selene C. Koo
- Boston Children’s Hospital, Boston, MA, USA
- Nationwide Children’s Hospital, Columbus, OH, USA
| | - Katherine A. Janeway
- Dana-Farber/Boston Children’s Cancer and Blood Disorders Center, Boston, MA, USA
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22
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Therapeutic Targeting of Notch Signaling Pathway in Hematological Malignancies. Mediterr J Hematol Infect Dis 2019; 11:e2019037. [PMID: 31308913 PMCID: PMC6613627 DOI: 10.4084/mjhid.2019.037] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2019] [Accepted: 05/18/2019] [Indexed: 12/16/2022] Open
Abstract
The Notch pathway plays a key role in several processes, including stem-cell self-renewal, proliferation, and cell differentiation. Several studies identified recurrent mutations in hematological malignancies making Notch one of the most desirable targets in leukemia and lymphoma. The Notch signaling mediates resistance to therapy and controls cancer stem cells supporting the development of on-target therapeutic strategies to improve patients’ outcome. In this brief review, we outline the therapeutic potential of targeting Notch pathway in T-cell acute jlymphoblastic leukemia, chronic lymphocytic leukemia, and mantle cell lymphoma.
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23
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Arruga F, Vaisitti T, Deaglio S. The NOTCH Pathway and Its Mutations in Mature B Cell Malignancies. Front Oncol 2018; 8:550. [PMID: 30534535 PMCID: PMC6275466 DOI: 10.3389/fonc.2018.00550] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2018] [Accepted: 11/06/2018] [Indexed: 12/16/2022] Open
Abstract
The systematic application of next-generation sequencing to large cohorts of oncologic samples has opened a Pandora's box full of known and novel genetic lesions implicated in different steps of cancer development and progression. Narrowing down to B cell malignancies, many previously unrecognized genes emerged as recurrently mutated. The challenge now is to determine how the mutation in a given gene affects the biology of the disease, paving the way to functional genomics studies. Mutations in NOTCH family members are shared by several disorders of the B series, even if with variable frequencies and mutational patterns. In silico predictions, revealed that mutations occurring in NOTCH receptors, despite being qualitatively different, may have similar effects on protein processing, ultimately leading to enhanced pathway activation. The discovery of mutations occurring also in downstream players, either potentiating positive signals or compromising negative regulators, indicates that multiple mechanisms in neoplastic B cells concur to activate NOTCH pathway. These findings are supported by results obtained in chronic lymphocytic leukemia and splenic marginal zone B cell lymphoma where deregulation of NOTCH signaling has been functionally characterized. The emerging picture confirms that NOTCH signaling is finely tuned in cell- and microenvironment-dependent ways. In B cell malignancies, it contributes to the regulation of proliferation, survival and migration. However, deeper biological studies are needed to pinpoint the contribution of NOTCH in the hierarchy of events driving B cells transformation, keeping in mind its role in normal B cells development. Because of its relevance in leukemia and lymphoma biology, the NOTCH pathway might represent an appealing therapeutic target: the next few years will tell whether this potential will be fulfilled.
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Affiliation(s)
- Francesca Arruga
- Italian Institute for Genomic Medicine, Turin, Italy.,Department of Medical Sciences, University of Torino, Turin, Italy
| | - Tiziana Vaisitti
- Italian Institute for Genomic Medicine, Turin, Italy.,Department of Medical Sciences, University of Torino, Turin, Italy
| | - Silvia Deaglio
- Italian Institute for Genomic Medicine, Turin, Italy.,Department of Medical Sciences, University of Torino, Turin, Italy
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24
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Baldoni S, Del Papa B, Dorillo E, Aureli P, De Falco F, Rompietti C, Sorcini D, Varasano E, Cecchini D, Zei T, Di Tommaso A, Rosati E, Alexe G, Roti G, Stegmaier K, Di Ianni M, Falzetti F, Sportoletti P. Bepridil exhibits anti-leukemic activity associated with NOTCH1 pathway inhibition in chronic lymphocytic leukemia. Int J Cancer 2018; 143:958-970. [PMID: 29508386 PMCID: PMC6055653 DOI: 10.1002/ijc.31355] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2017] [Revised: 02/15/2018] [Accepted: 02/21/2018] [Indexed: 12/30/2022]
Abstract
Dysregulated NOTCH1 signaling, by either gene mutations or microenvironment interactions, has been increasingly linked to chronic lymphocytic leukemia (CLL). Thus, inhibiting NOTCH1 activity represents a potential therapeutic opportunity for this disease. Using gene expression-based screening, we identified the calcium channel modulator bepridil as a new NOTCH1 pathway inhibitor. In primary CLL cells, bepridil induced selective apoptosis even in the presence of the protective stroma. Cytotoxic effects of bepridil were independent of NOTCH1 mutation and other prognostic markers. The antitumor efficacy of bepridil was associated with inhibition of NOTCH1 activity through a decrement in trans-membrane and activated NOTCH1 protein levels with unchanged NOTCH2 protein levels. In a CLL xenotransplant model, bepridil significantly reduced the percentage of leukemic cells infiltrating the spleen via enhanced apoptosis and decreased NOTCH1 activation. In conclusion, we report in vitro and in vivo anti-leukemic activity of bepridil associated with inhibition of the NOTCH1 pathway in CLL. These data provide a rationale for the clinical development of bepridil as anti-NOTCH1 targeted therapy for CLL patients.
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MESH Headings
- Animals
- Antineoplastic Agents/pharmacology
- Apoptosis/drug effects
- Bepridil/pharmacology
- Biomarkers, Tumor/metabolism
- Calcium Channel Blockers/pharmacology
- Chemotaxis/drug effects
- Drug Screening Assays, Antitumor
- Humans
- Leukemia, Lymphocytic, Chronic, B-Cell/genetics
- Leukemia, Lymphocytic, Chronic, B-Cell/metabolism
- Leukemia, Lymphocytic, Chronic, B-Cell/pathology
- Mesenchymal Stem Cells/cytology
- Mesenchymal Stem Cells/drug effects
- Mice
- Mutation
- Prognosis
- Receptor, Notch1/antagonists & inhibitors
- Receptor, Notch1/genetics
- Receptor, Notch1/metabolism
- Tumor Microenvironment
- Xenograft Model Antitumor Assays
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Affiliation(s)
- Stefano Baldoni
- Hematology Section, Department of Life, Health and Environmental SciencesUniversity of L'AquilaL'AquilaItaly
| | - Beatrice Del Papa
- Institute of Hematology‐Centro di Ricerche Emato‐Oncologiche (CREO), University of PerugiaPerugiaItaly
| | - Erica Dorillo
- Institute of Hematology‐Centro di Ricerche Emato‐Oncologiche (CREO), University of PerugiaPerugiaItaly
| | - Patrizia Aureli
- Institute of Hematology‐Centro di Ricerche Emato‐Oncologiche (CREO), University of PerugiaPerugiaItaly
| | - Filomena De Falco
- Institute of Hematology‐Centro di Ricerche Emato‐Oncologiche (CREO), University of PerugiaPerugiaItaly
| | - Chiara Rompietti
- Institute of Hematology‐Centro di Ricerche Emato‐Oncologiche (CREO), University of PerugiaPerugiaItaly
| | - Daniele Sorcini
- Institute of Hematology‐Centro di Ricerche Emato‐Oncologiche (CREO), University of PerugiaPerugiaItaly
| | - Emanuela Varasano
- Institute of Hematology‐Centro di Ricerche Emato‐Oncologiche (CREO), University of PerugiaPerugiaItaly
| | - Debora Cecchini
- Institute of Hematology‐Centro di Ricerche Emato‐Oncologiche (CREO), University of PerugiaPerugiaItaly
| | - Tiziana Zei
- Institute of Hematology‐Centro di Ricerche Emato‐Oncologiche (CREO), University of PerugiaPerugiaItaly
| | - Ambra Di Tommaso
- Hematology Section, Department of Life, Health and Environmental SciencesUniversity of L'AquilaL'AquilaItaly
| | - Emanuela Rosati
- Biosciences and Medical Embryology Section, Department of Experimental MedicineUniversity of PerugiaPerugiaItaly
| | - Gabriela Alexe
- Department of Pediatric OncologyDana‐Farber Cancer Institute and Boston Children's Hospital, Harvard Medical SchoolBostonMA
| | - Giovanni Roti
- Hematology and BMT Unit, Department of Medicine and SurgeryUniversity of ParmaParmaItaly
| | - Kimberly Stegmaier
- Department of Pediatric OncologyDana‐Farber Cancer Institute and Boston Children's Hospital, Harvard Medical SchoolBostonMA
| | - Mauro Di Ianni
- Department of Medicine and Aging SciencesUniversity of Chieti PescaraChietiItaly
- Department of HematologyTransfusion Medicine and Biotechnologies, Ospedale CivilePescaraItaly
| | - Franca Falzetti
- Institute of Hematology‐Centro di Ricerche Emato‐Oncologiche (CREO), University of PerugiaPerugiaItaly
| | - Paolo Sportoletti
- Institute of Hematology‐Centro di Ricerche Emato‐Oncologiche (CREO), University of PerugiaPerugiaItaly
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25
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Rosati E, Baldoni S, De Falco F, Del Papa B, Dorillo E, Rompietti C, Albi E, Falzetti F, Di Ianni M, Sportoletti P. NOTCH1 Aberrations in Chronic Lymphocytic Leukemia. Front Oncol 2018; 8:229. [PMID: 29998084 PMCID: PMC6030253 DOI: 10.3389/fonc.2018.00229] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2018] [Accepted: 06/05/2018] [Indexed: 01/13/2023] Open
Abstract
Chronic lymphocytic leukemia (CLL) is an incurable B-cell neoplasm characterized by highly variable clinical outcomes. In recent years, genomic and molecular studies revealed a remarkable heterogeneity in CLL, which mirrored the clinical diversity of this disease. These studies profoundly enhanced our understanding of leukemia cell biology and led to the identification of new biomarkers with potential prognostic and therapeutic significance. Accumulating evidence indicates a key role of deregulated NOTCH1 signaling and NOTCH1 mutations in CLL. This review highlights recent discoveries that improve our understanding of the pathophysiological NOTCH1 signaling in CLL and the clinical impact of NOTCH1 mutations in retrospective and prospective trials. In addition, we discuss the rationale for a therapeutic strategy aiming at inhibiting NOTCH1 signaling in CLL, along with an overview on the currently available NOTCH1-directed approaches.
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Affiliation(s)
- Emanuela Rosati
- Department of Experimental Medicine, Biosciences and Medical Embryology Section, University of Perugia, Perugia, Italy
| | - Stefano Baldoni
- Department of Life, Hematology Section, Health and Environmental Sciences, University of L'Aquila, Perugia, Italy
| | - Filomena De Falco
- Institute of Hematology-Centro di Ricerche Emato-Oncologiche (CREO), University of Perugia, Perugia, Italy
| | - Beatrice Del Papa
- Institute of Hematology-Centro di Ricerche Emato-Oncologiche (CREO), University of Perugia, Perugia, Italy
| | - Erica Dorillo
- Institute of Hematology-Centro di Ricerche Emato-Oncologiche (CREO), University of Perugia, Perugia, Italy
| | - Chiara Rompietti
- Institute of Hematology-Centro di Ricerche Emato-Oncologiche (CREO), University of Perugia, Perugia, Italy
| | - Elisa Albi
- Institute of Hematology-Centro di Ricerche Emato-Oncologiche (CREO), University of Perugia, Perugia, Italy
| | - Franca Falzetti
- Institute of Hematology-Centro di Ricerche Emato-Oncologiche (CREO), University of Perugia, Perugia, Italy
| | - Mauro Di Ianni
- Department of Medicine and Aging Sciences, University of Chieti Pescara, Chieti, Italy.,Department of Hematology, Transfusion Medicine and Biotechnologies, Ospedale Civile, Pescara, Italy
| | - Paolo Sportoletti
- Institute of Hematology-Centro di Ricerche Emato-Oncologiche (CREO), University of Perugia, Perugia, Italy
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Tripathi R, Lee-Verges E, Higashi M, Gimenez N, Rosich L, Lopez-Guerra M, Colomer D. New drug discovery approaches targeting recurrent mutations in chronic lymphocytic leukemia. Expert Opin Drug Discov 2017; 12:1041-1052. [PMID: 28776453 DOI: 10.1080/17460441.2017.1362387] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
INTRODUCTION Next generation sequencing has provided a comprehensive understanding of the mutational landscape in chronic lymphocytic leukemia (CLL), and new drivers have been identified. Some of these drivers could be pharmacologically targeted to choose the most effective personalized therapy in each CLL patient. Areas covered: In this article, the authors uncover the potential role of new targeted therapies against the most recurrent mutations in CLL as well as the recently approved therapies. The authors also provide their expert opinion and give their perspectives for the future. Expert opinion: The development of more personalized therapies is of interest to clinicians as a system to enhance the duration of treatment response and to extend the survival and quality of life of CLL patients. The main challenge, however, will be to translate the preclinical results into the clinics. Therefore, the designing and execution of clinical trials focused on molecular drivers are the need of the hour.
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Affiliation(s)
- Rupal Tripathi
- a Experimental Therapeutics in Lymphoid Malignancies Group, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Hematopathology Unit , Hospital Clinic, CIBERONC , Barcelona , Spain
| | - Eriong Lee-Verges
- a Experimental Therapeutics in Lymphoid Malignancies Group, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Hematopathology Unit , Hospital Clinic, CIBERONC , Barcelona , Spain
| | - Morihiro Higashi
- a Experimental Therapeutics in Lymphoid Malignancies Group, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Hematopathology Unit , Hospital Clinic, CIBERONC , Barcelona , Spain
| | - Neus Gimenez
- a Experimental Therapeutics in Lymphoid Malignancies Group, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Hematopathology Unit , Hospital Clinic, CIBERONC , Barcelona , Spain
| | - Laia Rosich
- a Experimental Therapeutics in Lymphoid Malignancies Group, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Hematopathology Unit , Hospital Clinic, CIBERONC , Barcelona , Spain
| | - Monica Lopez-Guerra
- a Experimental Therapeutics in Lymphoid Malignancies Group, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Hematopathology Unit , Hospital Clinic, CIBERONC , Barcelona , Spain
| | - Dolors Colomer
- a Experimental Therapeutics in Lymphoid Malignancies Group, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Hematopathology Unit , Hospital Clinic, CIBERONC , Barcelona , Spain
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Secchiero P, Voltan R, Rimondi E, Melloni E, Athanasakis E, Tisato V, Gallo S, Rigolin GM, Zauli G. The γ-secretase inhibitors enhance the anti-leukemic activity of ibrutinib in B-CLL cells. Oncotarget 2017; 8:59235-59245. [PMID: 28938632 PMCID: PMC5601728 DOI: 10.18632/oncotarget.19494] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2017] [Accepted: 06/20/2017] [Indexed: 12/16/2022] Open
Abstract
Ibrutinib blocks B-cell receptor signaling and interferes with leukemic cell-to-microenvironment interactions. Ibrutinib plays a key role in the management of B-CLL and is recommended for first line treatment of high-risk CLL patients with 17p deletion. Therefore, elucidating the factors governing sensitivity/resistance to Ibrutinib represents a relevant issue. For this purpose, in 3 B-CLL patient samples harboring functional TP53 mutations, the frequency of the mutated clones was monitored during in vivo Ibrutinib therapy, revealing a progressive decline of the frequency of TP53mut clones during 12 months of treatment. In parallel, the anti-leukemic activity of Ibrutinib was assessed in vitro on B-CLL patient cell cultures in combination with γ-secretase inhibitors (GSI). In the in vitro assays, the combination of Ibrutinib+GSI exhibited enhanced cytotoxicity on B-CLL cells also in the presence of stroma and it was coupled to the down-regulation of the stroma-activated NOTCH1 and c-MYC pathways. Moreover, the combined treatment was effective in reducing CXCR4 expression and functions. Therefore, the ability of GSI to enhance the Ibrutinib anti-leukemic activity in B-CLL cells, by down-regulating the NOTCH1 and c-MYC pathways, warrants further experimentation for its potential therapeutic applications.
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Affiliation(s)
- Paola Secchiero
- Department of Morphology, Surgery and Experimental Medicine and LTTA Centre, University of Ferrara, Ferrara, Italy
| | - Rebecca Voltan
- Department of Morphology, Surgery and Experimental Medicine and LTTA Centre, University of Ferrara, Ferrara, Italy
| | - Erika Rimondi
- Department of Morphology, Surgery and Experimental Medicine and LTTA Centre, University of Ferrara, Ferrara, Italy
| | - Elisabetta Melloni
- Department of Morphology, Surgery and Experimental Medicine and LTTA Centre, University of Ferrara, Ferrara, Italy
| | | | - Veronica Tisato
- Department of Morphology, Surgery and Experimental Medicine and LTTA Centre, University of Ferrara, Ferrara, Italy
| | - Stefania Gallo
- Department of Morphology, Surgery and Experimental Medicine and LTTA Centre, University of Ferrara, Ferrara, Italy
| | - Gian Matteo Rigolin
- Department of Medical Sciences, Section of Hematology, University of Ferrara, Ferrara, Italy
| | - Giorgio Zauli
- Department of Morphology, Surgery and Experimental Medicine and LTTA Centre, University of Ferrara, Ferrara, Italy
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28
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Rosenquist R, Rosenwald A, Du MQ, Gaidano G, Groenen P, Wotherspoon A, Ghia P, Gaulard P, Campo E, Stamatopoulos K. Clinical impact of recurrently mutated genes on lymphoma diagnostics: state-of-the-art and beyond. Haematologica 2017; 101:1002-9. [PMID: 27582569 DOI: 10.3324/haematol.2015.134510] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2016] [Accepted: 05/03/2016] [Indexed: 12/14/2022] Open
Abstract
Similar to the inherent clinical heterogeneity of most, if not all, lymphoma entities, the genetic landscape of these tumors is markedly complex in the majority of cases, with a rapidly growing list of recurrently mutated genes discovered in recent years by next-generation sequencing technology. Whilst a few genes have been implied to have diagnostic, prognostic and even predictive impact, most gene mutations still require rigorous validation in larger, preferably prospective patient series, to scrutinize their potential role in lymphoma diagnostics and patient management. In selected entities, a predominantly mutated gene is identified in almost all cases (e.g. Waldenström's macroglobulinemia/lymphoplasmacytic lymphoma and hairy-cell leukemia), while for the vast majority of lymphomas a quite diverse mutation pattern is observed, with a limited number of frequently mutated genes followed by a seemingly endless tail of genes with mutations at a low frequency. Herein, the European Expert Group on NGS-based Diagnostics in Lymphomas (EGNL) summarizes the current status of this ever-evolving field, and, based on the present evidence level, segregates mutations into the following categories: i) immediate impact on treatment decisions, ii) diagnostic impact, iii) prognostic impact, iv) potential clinical impact in the near future, or v) should only be considered for research purposes. In the coming years, coordinated efforts aiming to apply targeted next-generation sequencing in large patient series will be needed in order to elucidate if a particular gene mutation will have an immediate impact on the lymphoma classification, and ultimately aid clinical decision making.
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Affiliation(s)
- Richard Rosenquist
- Department of Immunology, Genetics and Pathology, Science for Life Laboratory, Uppsala University, Sweden
| | - Andreas Rosenwald
- Institute of Pathology, University of Würzburg, Germany and Comprehensive Cancer Center Mainfranken (CCC MF), Germany
| | - Ming-Qing Du
- Division of Molecular Histopathology, Department of Pathology, University of Cambridge, UK
| | - Gianluca Gaidano
- Division of Haematology, Department of Translational Medicine, University of Eastern Piedmont, Novara, Italy
| | - Patricia Groenen
- Department of Pathology, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Andrew Wotherspoon
- Department of Histopathology, Royal Marsden Hopsital, Fulham Road, London, UK
| | - Paolo Ghia
- Division of Experimental Oncology and Department of Onco-Hematology, Università Vita-Salute San Raffaele and IRCCS Instituto Scientifico San Raffaele, Milan, Italy
| | - Philippe Gaulard
- Department of Pathology, AP-HP, Groupe hospitalier Henri Mondor-Albert Chenevier, Créteil INSERM U955, Université Paris-Est, Créteil, France
| | - Elias Campo
- Hemathopatology Section, Department of Pathology, Hospital Clinic and Institut d'Investigacions Biomediques August Pi i Sunyer (IDIBAPS), University of Barcelona, Spain
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29
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Kubuschok B, Trepel M. Learning from the failures of drug discovery in B-cell non-Hodgkin lymphomas and perspectives for the future: chronic lymphocytic leukemia and diffuse large B-cell lymphoma as two ends of a spectrum in drug development. Expert Opin Drug Discov 2017; 12:733-745. [PMID: 28494631 DOI: 10.1080/17460441.2017.1329293] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
INTRODUCTION Despite substantial recent advances, there is still an unmet need for better therapies in B-cell non Hodgkin lymphomas (B-NHL), especially in relapsed or refractory disease. Many novel targeted drugs have been developed based on a better molecular understanding of B-NHL. Areas covered: This article focuses on chronic lymphocytic leukemia (CLL) as a representative for indolent lymphomas and paradigmatic for the tremendous progress in treating B-NHL on the one hand and diffuse large B-cell lymphoma (DLBCL) as a representative for aggressive lymphomas and paradigmatic for many unsolved problems in lymphoma treatment or the other hand. We highlight salient points in current therapies targeting genetic, epigenetic, immunological and microenvironmental alterations. Possible reasons for drug failure in clinical trials like tumor heterogeneity, clonal evolution and drug resistance mechanisms are discussed. Based thereon, some perspectives for further drug discovery are given. Expert opinion: In view of the pathogenetic complexity of lymphomas, therapies targeting exclusively a single alteration may fail because resistance mechanisms are present either initially or evolve during treatment. Therefore, future therapies in B-NHL may have to target the greatest possible number of genetic, immunological or epigenetic alterations still allowing tolerability and to monitor these alterations during therapy.
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Affiliation(s)
- Boris Kubuschok
- a Department of Internal Medicine II , Klinikum Augsburg , Augsburg , Germany.,b Department of Hematology and Oncology , University of Saarland Medical School , Homburg , Germany
| | - Martin Trepel
- a Department of Internal Medicine II , Klinikum Augsburg , Augsburg , Germany.,c Department of Oncology and Hematology , University Medical Center Hamburg-Eppendorf , Hamburg , Germany
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30
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Ghamlouch H, Nguyen-Khac F, Bernard OA. Chronic lymphocytic leukaemia genomics and the precision medicine era. Br J Haematol 2017; 178:852-870. [DOI: 10.1111/bjh.14719] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Hussein Ghamlouch
- Institut National De La Santé Et De La Recherche Médicale (INSERM) U1170; Villejuif France
- Gustave Roussy; Villejuif France
- Université Paris Saclay; Paris France
- Equipe Labellisée Ligue Nationale Contre Le Cancer; Paris France
| | - Florence Nguyen-Khac
- INSERM U1138; Université Pierre et Marie Curie-Paris 6; Service d'Hématologie Biologique; Hôpital Pitié-Salpêtrière; APHP; Paris France
| | - Olivier A. Bernard
- Institut National De La Santé Et De La Recherche Médicale (INSERM) U1170; Villejuif France
- Gustave Roussy; Villejuif France
- Université Paris Saclay; Paris France
- Equipe Labellisée Ligue Nationale Contre Le Cancer; Paris France
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31
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Gu K, Li Q, Lin H, Zhu J, Mo J, He S, Lu X, Jiang X, Sun H. Gamma secretase inhibitors: a patent review (2013 - 2015). Expert Opin Ther Pat 2017; 27:851-866. [PMID: 28350212 DOI: 10.1080/13543776.2017.1313231] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
INTRODUCTION Gamma secretase (GS) is an intricate and multi-subunits complex, and it can cut various transmembrane proteins. Now it is a therapeutic target for a number of diseases. However, due to some side effects, the clinical development of GSI is not successful. Therefore, searching for effective GSIs has become a key point in drug discovery. Areas covered: This review discusses the structure and function of GS and various types of GSIs. And this article seeks to give an overview of the patents or applications published from 2013 to 2015 in which novel chemical classes are claimed to inhibit the GS. Expert opinion: Firstly, further understanding the structure and function of GS to elucidate the disease mechanism and develop AD therapies is urgent. Secondly, if the bioequivalence, pharmacokinetics and selectivity can be improved greatly, some failed clinical inhibitors still can become the promising compounds for clinical trials. Thirdly, some weaknesses are exposed during the development of GSI, especially the insufficient potency, low brain penetration and poor selectivity. Finally, to find potent and selective GSI is the major direction in future. Moreover, to find new indications and dosing regimens in a trial of GSIs also can be seen as new ways.
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Affiliation(s)
- Kai Gu
- a Department of Medicinal Chemistry , China Pharmaceutical University , Nanjing , China
| | - Qi Li
- a Department of Medicinal Chemistry , China Pharmaceutical University , Nanjing , China
| | - Hongzhi Lin
- a Department of Medicinal Chemistry , China Pharmaceutical University , Nanjing , China
| | - Jie Zhu
- a Department of Medicinal Chemistry , China Pharmaceutical University , Nanjing , China
| | - Jun Mo
- a Department of Medicinal Chemistry , China Pharmaceutical University , Nanjing , China
| | - Siyu He
- a Department of Medicinal Chemistry , China Pharmaceutical University , Nanjing , China
| | - Xin Lu
- a Department of Medicinal Chemistry , China Pharmaceutical University , Nanjing , China
| | - Xueyang Jiang
- b Key Laboratory of Biomedical Functional Materials, School of Science , China Pharmaceutical University , Nanjing , China
| | - Haopeng Sun
- a Department of Medicinal Chemistry , China Pharmaceutical University , Nanjing , China
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32
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Xu JJ, Yao FR, Jiang M, Zhang YT, Guo F. High-resolution melting analysis for rapid and sensitive NOTCH1 screening in chronic lymphocytic leukemia. Int J Mol Med 2017; 39:415-422. [PMID: 28075457 DOI: 10.3892/ijmm.2017.2849] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2016] [Accepted: 12/14/2016] [Indexed: 11/05/2022] Open
Abstract
Chronic lymphocytic leukemia (CLL) is a biological and clinical heterogeneous disease. Activating mutations of NOTCH1 have been implicated to be associated with adverse prognosis in CLL. The objective of the present study was to develop an effective high-resolution melting (HRM) assay for detecting NOTCH1 mutations. Genomic DNA (gDNA) extracted from 133 CLL patients was screened by HRM assay, and the results were compared with the data obtained using direct sequencing. The relative sensitivity of the HRM assay and direct sequencing was evaluated using diluted gDNA with different NOTCH1 mutational frequencies. The HRM assay was able to detect and discriminate samples with NOTCH1 mutations from the wild-type template in CLL. Eight of the 133 CLL patients (6.02%) were scored positively for NOTCH1 mutations in the HRM assay. The results of the NOTCH1 mutations detected by HRM analysis achieved 100% concordance with those determined from direct sequencing. HRM had a higher sensitivity (1%) and shorter turn-around time (TAT), compared to direct sequencing. In conclusion, the HRM assay developed by us was confirmed to be a rapid, sensitive, and promising approach for high-throughput prognostic NOTCH1 screening in CLL. It enables real-time NOTCH1 evaluation, which is of great significance in clinical practice and may facilitate the decision-making of clinicians in CLL.
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Affiliation(s)
- Jing-Jing Xu
- Center for Clinical Laboratory, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu 215006, P.R. China
| | - Fei-Rong Yao
- Department of Radiology, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu 215006, P.R. China
| | - Min Jiang
- Department of Blood Transfusion, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu 215006, P.R. China
| | - You-Tao Zhang
- Center for Clinical Laboratory, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu 215006, P.R. China
| | - Feng Guo
- Center for Clinical Laboratory, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu 215006, P.R. China
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33
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Nwabo Kamdje A, Vecchio L, Takam Kamga P, Seke Etet P, Muller J, Bassi G, Krampera M. Developmental Pathways. INTRODUCTION TO CANCER METASTASIS 2017:337-352. [DOI: 10.1016/b978-0-12-804003-4.00018-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
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34
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Nwabo Kamdje AH, Takam Kamga P, Tagne Simo R, Vecchio L, Seke Etet PF, Muller JM, Bassi G, Lukong E, Kumar Goel R, Mbo Amvene J, Krampera M. Developmental pathways associated with cancer metastasis: Notch, Wnt, and Hedgehog. Cancer Biol Med 2017; 14:109-120. [PMID: 28607802 PMCID: PMC5444923 DOI: 10.20892/j.issn.2095-3941.2016.0032] [Citation(s) in RCA: 70] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Master developmental pathways, such as Notch, Wnt, and Hedgehog, are signaling systems that control proliferation, cell death, motility, migration, and stemness. These systems are not only commonly activated in many solid tumors, where they drive or contribute to cancer initiation, but also in primary and metastatic tumor development. The reactivation of developmental pathways in cancer stroma favors the development of cancer stem cells and allows their maintenance, indicating these signaling pathways as particularly attractive targets for efficient anticancer therapies, especially in advanced primary tumors and metastatic cancers. Metastasis is the worst feature of cancer development. This feature results from a cascade of events emerging from the hijacking of epithelial-mesenchymal transition, angiogenesis, migration, and invasion by transforming cells and is associated with poor survival, drug resistance, and tumor relapse. In the present review, we summarize and discuss experimental data suggesting pivotal roles for developmental pathways in cancer development and metastasis, considering the therapeutic potential. Emerging targeted antimetastatic therapies based on Notch, Wnt, and Hedgehog pathways are also discussed.
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Affiliation(s)
| | - Paul Takam Kamga
- Department of Biomedical Sciences, University of Ngaoundere, Ngaoundere 454, Cameroon
| | - Richard Tagne Simo
- Department of Biomedical Sciences, University of Ngaoundere, Ngaoundere 454, Cameroon
| | - Lorella Vecchio
- Department of Biomedical Sciences, University of Ngaoundere, Ngaoundere 454, Cameroon
| | | | - Jean Marc Muller
- Department of Biomedical Sciences, University of Ngaoundere, Ngaoundere 454, Cameroon
| | - Giulio Bassi
- Department of Biomedical Sciences, University of Ngaoundere, Ngaoundere 454, Cameroon
| | - Erique Lukong
- Department of Biomedical Sciences, University of Ngaoundere, Ngaoundere 454, Cameroon
| | - Raghuveera Kumar Goel
- Department of Biomedical Sciences, University of Ngaoundere, Ngaoundere 454, Cameroon
| | - Jeremie Mbo Amvene
- Department of Biomedical Sciences, University of Ngaoundere, Ngaoundere 454, Cameroon
| | - Mauro Krampera
- Department of Biomedical Sciences, University of Ngaoundere, Ngaoundere 454, Cameroon
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35
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Montraveta A, Lee-Vergés E, Roldán J, Jiménez L, Cabezas S, Clot G, Pinyol M, Xargay-Torrent S, Rosich L, Arimany-Nardí C, Aymerich M, Villamor N, López-Guillermo A, Pérez-Galán P, Roué G, Pastor-Anglada M, Campo E, López-Guerra M, Colomer D. CD69 expression potentially predicts response to bendamustine and its modulation by ibrutinib or idelalisib enhances cytotoxic effect in chronic lymphocytic leukemia. Oncotarget 2016; 7:5507-20. [PMID: 26701728 PMCID: PMC4868702 DOI: 10.18632/oncotarget.6685] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2015] [Accepted: 12/12/2015] [Indexed: 12/22/2022] Open
Abstract
Clinical responses to bendamustine in chronic lymphocytic leukemia (CLL) are highly heterogeneous and no specific markers to predict sensitivity to this drug have been reported. In order to identify biomarkers of response, we analyzed the in vitro activity of bendamustine and the gene expression profile in primary CLL cells. We observed that mRNA expression of CD69 (CD69) and ITGAM (CD11b) constitute the most powerful predictor of response to bendamustine. When we interrogated the predictive value of the corresponding cell surface proteins, the expression of the activation marker CD69 was the most reliable predictor of sensitivity to bendamustine. Importantly, a multivariate analysis revealed that the predictive value of CD69 expression was independent from other clinico-biological CLL features. We also showed that when CLL cells were co-cultured with distinct subtypes of stromal cells, an upregulation of CD69 was accompanied by a reduced sensitivity to bendamustine. In agreement with this, tumor cells derived from lymphoid tumor niches harbored higher CD69 expression and were less sensitive to bendamustine than their peripheral blood counterparts. Furthermore, pretreatment of CD69 high CLL cases with the B-cell receptor (BCR) pathway inhibitors ibrutinib and idelalisib decreased CD69 levels and enhanced bendamustine cytotoxic effect. Collectively, our findings indicate that CD69 could be a predictor of bendamustine response in CLL patients and the combination of clinically-tested BCR signaling inhibitors with bendamustine may represent a promising strategy for bendamustine low responsive CLL cases.
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Affiliation(s)
- Arnau Montraveta
- Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
| | - Eriong Lee-Vergés
- Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
| | - Jocabed Roldán
- Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
| | - Laura Jiménez
- Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain.,Hematopathology Unit, Hospital Clinic, IDIBAPS, Barcelona, Spain
| | - Sandra Cabezas
- Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain.,Hematopathology Unit, Hospital Clinic, IDIBAPS, Barcelona, Spain
| | - Guillem Clot
- Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
| | - Magda Pinyol
- Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
| | - Sílvia Xargay-Torrent
- Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
| | - Laia Rosich
- Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
| | - Cristina Arimany-Nardí
- Departament de Bioquímica i Biologia Molecular, Institut de Biomedicina, Universitat de Barcelona and Oncology Program, CIBEREHD, Barcelona, Spain
| | - Marta Aymerich
- Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain.,Hematopathology Unit, Hospital Clinic, IDIBAPS, Barcelona, Spain
| | - Neus Villamor
- Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain.,Hematopathology Unit, Hospital Clinic, IDIBAPS, Barcelona, Spain
| | - Armando López-Guillermo
- Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain.,Hematology Department, Hospital Clinic, IDIBAPS, Barcelona, Spain
| | - Patricia Pérez-Galán
- Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
| | - Gaël Roué
- Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain
| | - Marçal Pastor-Anglada
- Departament de Bioquímica i Biologia Molecular, Institut de Biomedicina, Universitat de Barcelona and Oncology Program, CIBEREHD, Barcelona, Spain
| | - Elías Campo
- Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain.,Hematopathology Unit, Hospital Clinic, IDIBAPS, Barcelona, Spain
| | - Mónica López-Guerra
- Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain.,Hematopathology Unit, Hospital Clinic, IDIBAPS, Barcelona, Spain
| | - Dolors Colomer
- Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain.,Hematopathology Unit, Hospital Clinic, IDIBAPS, Barcelona, Spain
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36
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Genetic evolution in chronic lymphocytic leukaemia. Best Pract Res Clin Haematol 2016; 29:67-78. [PMID: 27742073 DOI: 10.1016/j.beha.2016.08.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2015] [Revised: 06/30/2016] [Accepted: 08/04/2016] [Indexed: 11/21/2022]
Abstract
Next-generation sequencing provides a comprehensive understanding of the genomic, epigenomic and transcriptomic underpinnings of chronic lymphocytic leukaemia. Recent studies have uncovered new drivers, including mutations in non-coding regions, and signalling pathways whose role in cancer was previously unknown or poorly understood. Moreover, massive scale epigenomics and transcriptomics have supplied the foundations for the cellular origin of the disease. Some drivers could be targeted pharmacologically, and the ability to detect mutations present in minority subclones might even allow treatment before clonal selection occurs, thus preventing disease refractoriness. As our understanding broadens and ongoing technological innovation propels new achievements, we will certainly learn how to apply it in our daily practice.
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37
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Kawaguchi K, Honda M, Yamashita T, Okada H, Shirasaki T, Nishikawa M, Nio K, Arai K, Sakai Y, Yamashita T, Mizukoshi E, Kaneko S. Jagged1 DNA Copy Number Variation Is Associated with Poor Outcome in Liver Cancer. THE AMERICAN JOURNAL OF PATHOLOGY 2016; 186:2055-2067. [PMID: 27315779 DOI: 10.1016/j.ajpath.2016.04.011] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/06/2015] [Revised: 03/10/2016] [Accepted: 04/09/2016] [Indexed: 12/21/2022]
Abstract
Notch signaling abnormalities are reported to be involved in the acceleration of malignancy in solid tumors and stem cell formation or regeneration in various organs. We analyzed specific genes for DNA copy number variations in liver cancer cells and investigated whether these factors relate to clinical outcome. Chromosome 20p, which includes the ligand for Notch pathways, Jagged1, was found to be amplified in several types of hepatoma cells, and its mRNA was up-regulated according to α-fetoprotein gene expression levels. Notch inhibition using Jagged1 shRNA and γ-secretase inhibitors produced significant suppression of cell growth in α-fetoprotein-producing cells with suppression of downstream genes. Using in vivo hepatoma models, the administration of γ-secretase inhibitors resulted in reduced tumor sizes and effective Notch inhibition with widespread apoptosis and necrosis of viable tumor cells. The γ-secretase inhibitors suppressed cell growth of the epithelial cell adhesion molecule-positive fraction in hepatoma cells, indicating that Notch inhibitors could suppress the stem cell features of liver cancer cells. Even in clinical liver cancer samples, the expression of α-fetoprotein and Jagged1 showed significant correlation, and amplification of the copy number of Jagged1 was associated with Jagged1 mRNA expression and poor survival after liver cancer surgical resection. In conclusion, amplification of Jagged1 contributed to mRNA expression that activates the Jagged1-Notch signaling pathway in liver cancer and led to poor outcome.
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Affiliation(s)
- Kazunori Kawaguchi
- Department of Gastroenterology, Kanazawa University Graduate School of Medical Science, Kanazawa, Japan
| | - Masao Honda
- Department of Gastroenterology, Kanazawa University Graduate School of Medical Science, Kanazawa, Japan
| | - Taro Yamashita
- Department of Gastroenterology, Kanazawa University Graduate School of Medical Science, Kanazawa, Japan
| | - Hikari Okada
- Department of Gastroenterology, Kanazawa University Graduate School of Medical Science, Kanazawa, Japan
| | - Takayoshi Shirasaki
- Department of Gastroenterology, Kanazawa University Graduate School of Medical Science, Kanazawa, Japan
| | - Masashi Nishikawa
- Department of Gastroenterology, Kanazawa University Graduate School of Medical Science, Kanazawa, Japan
| | - Kouki Nio
- Department of Gastroenterology, Kanazawa University Graduate School of Medical Science, Kanazawa, Japan
| | - Kuniaki Arai
- Department of Gastroenterology, Kanazawa University Graduate School of Medical Science, Kanazawa, Japan
| | - Yoshio Sakai
- Department of Gastroenterology, Kanazawa University Graduate School of Medical Science, Kanazawa, Japan
| | - Tatsuya Yamashita
- Department of Gastroenterology, Kanazawa University Graduate School of Medical Science, Kanazawa, Japan
| | - Eishiro Mizukoshi
- Department of Gastroenterology, Kanazawa University Graduate School of Medical Science, Kanazawa, Japan
| | - Shuichi Kaneko
- Department of Gastroenterology, Kanazawa University Graduate School of Medical Science, Kanazawa, Japan.
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De Falco F, Sabatini R, Del Papa B, Falzetti F, Di Ianni M, Sportoletti P, Baldoni S, Screpanti I, Marconi P, Rosati E. Notch signaling sustains the expression of Mcl-1 and the activity of eIF4E to promote cell survival in CLL. Oncotarget 2016; 6:16559-72. [PMID: 26041884 PMCID: PMC4599289 DOI: 10.18632/oncotarget.4116] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2015] [Accepted: 04/23/2015] [Indexed: 01/19/2023] Open
Abstract
In chronic lymphocytic leukemia (CLL), Notch1 and Notch2 signaling is constitutively activated and contributes to apoptosis resistance. We show that genetic inhibition of either Notch1 or Notch2, through small-interfering RNA, increases apoptosis of CLL cells and is associated with decreased levels of the anti-apoptotic protein Mcl-1. Thus, Notch signaling promotes CLL cell survival at least in part by sustaining Mcl-1 expression. In CLL cells, an enhanced Notch activation also contributes to the increase in Mcl-1 expression and cell survival induced by IL-4. Mcl-1 downregulation by Notch targeting is not due to reduced transcription or degradation by caspases, but in part, to increased degradation by the proteasome. Mcl-1 downregulation by Notch targeting is also accompanied by reduced phosphorylation of eukaryotic translation initiation factor 4E (eIF4E), suggesting that this protein is another target of Notch signaling in CLL cells. Overall, we show that Notch signaling sustains CLL cell survival by promoting Mcl-1 expression and eIF4E activity, and given the oncogenic role of these factors, we underscore the therapeutic potential of Notch inhibition in CLL.
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Affiliation(s)
- Filomena De Falco
- Department of Experimental Medicine, Biosciences and Medical Embryology Section, University of Perugia, Perugia, Italy
| | - Rita Sabatini
- Department of Experimental Medicine, Biosciences and Medical Embryology Section, University of Perugia, Perugia, Italy
| | - Beatrice Del Papa
- Department of Medicine, Hematology and Clinical Immunology Section, University of Perugia, Perugia, Italy
| | - Franca Falzetti
- Department of Medicine, Hematology and Clinical Immunology Section, University of Perugia, Perugia, Italy
| | - Mauro Di Ianni
- Department of Life, Health and Environmental Sciences, Hematology Section, University of L'Aquila, L'Aquila, Italy
| | - Paolo Sportoletti
- Department of Medicine, Hematology and Clinical Immunology Section, University of Perugia, Perugia, Italy
| | - Stefano Baldoni
- Department of Medicine, Hematology and Clinical Immunology Section, University of Perugia, Perugia, Italy
| | - Isabella Screpanti
- Department of Molecular Medicine, Sapienza University of Rome, Rome, Italy
| | - Pierfrancesco Marconi
- Department of Experimental Medicine, Biosciences and Medical Embryology Section, University of Perugia, Perugia, Italy
| | - Emanuela Rosati
- Department of Experimental Medicine, Biosciences and Medical Embryology Section, University of Perugia, Perugia, Italy
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Bogusz AM, Bagg A. Genetic aberrations in small B-cell lymphomas and leukemias: molecular pathology, clinical relevance and therapeutic targets. Leuk Lymphoma 2016; 57:1991-2013. [PMID: 27121112 DOI: 10.3109/10428194.2016.1173212] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Small B-cell lymphomas and leukemias (SBCLs) are a clinically, morphologically, immunophenotypically and genetically heterogeneous group of clonal lymphoid neoplasms, including entities such as chronic lymphocytic leukemia/small lymphocytic lymphoma (CLL/SLL), mantle cell lymphoma (MCL), follicular lymphoma (FL), lymphoplasmacytic lymphoma (LPL), marginal zone lymphoma (MZL) and hairy cell leukemia (HCL). The pathogenesis of some of these lymphoid malignancies is characterized by distinct translocations, for example t(11;14) in the majority of cases of MCL and t(14;18) in most cases of FL, whereas other entities are associated with a variety of recurrent but nonspecific numeric chromosomal abnormalities, as exemplified by del(13q14), del(11q22), and +12 in CLL, and yet others such as LPL and HCL that lack recurrent or specific cytogenetic aberrations. The recent surge in next generation sequencing (NGS) technology has shed more light on the genetic landscape of SBCLs through characterization of numerous driver mutations including SF3B1 and NOTCH1 in CLL, ATM and CCND1 in MCL, KMT2D and EPHA7 in FL, MYD88 (L265P) in LPL, KLF2 and NOTCH2 in splenic MZL (SMZL) and BRAF (V600E) in HCL. The identification of distinct genetic lesions not only provides greater insight into the molecular pathogenesis of these disorders but also identifies potential valuable biomarkers for prognostic stratification, as well as specific targets for directed therapy. This review discusses the well-established and recently identified molecular lesions underlying the pathogenesis of SBCLs, highlights their clinical relevance and summarizes novel targeted therapies.
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Affiliation(s)
- Agata M Bogusz
- a Department of Pathology and Laboratory Medicine, Perelman School of Medicine , University of Pennsylvania , Philadelphia , PA , USA
| | - Adam Bagg
- a Department of Pathology and Laboratory Medicine, Perelman School of Medicine , University of Pennsylvania , Philadelphia , PA , USA
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Abstract
Richter syndrome (RS) is the development of an aggressive lymphoma in patients with a previous or concomitant diagnosis of chronic lymphocytic leukemia (CLL). The incidence rate RS is ~0.5% per year of observation. Two biomarkers (NOTCH1 mutations and subset 8 configuration of the B-cell receptor) may help identifying CLL patients at risk of RS to be considered for close monitoring and a careful biopsy policy. In the presence of clinical features suspicious of RS, diagnosis of transformation and choice of the site of biopsy may take advantage of fluorine 18 fluorodeoxyglucose ((18)FDG) positron emission tomography (PET)/computed tomography (CT). Molecular lesions of regulators of tumor suppression (TP53), cell cycle (CDKN2A), and cell proliferation (NOTCH1, MYC) overall account for ~90% of RS and may be responsible for the aggressive clinical phenotype observed in this disease because of the combined effect of chemoresistance and rapid disease kinetics. The prognosis of RS is generally highly unfavorable. However, the pattern of survival is not homogeneous and the most important prognostic factor is the clonal relationship between the CLL and the aggressive lymphoma clones. Rituximab-containing polychemotherapy represents the backbone for induction treatment in RS. Younger patients who respond to induction therapy should be offered stem cell transplant (SCT) to prolong survival.
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Affiliation(s)
- Davide Rossi
- Division of Hematology, Department of Translational Medicine, Amedeo Avogadro University of Eastern Piedmont, Novara, Italy.
| | - Gianluca Gaidano
- Division of Hematology, Department of Translational Medicine, Amedeo Avogadro University of Eastern Piedmont, Novara, Italy
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Prolyl-isomerase Pin1 controls Notch3 protein expression and regulates T-ALL progression. Oncogene 2016; 35:4741-51. [PMID: 26876201 PMCID: PMC5024153 DOI: 10.1038/onc.2016.5] [Citation(s) in RCA: 44] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2015] [Revised: 11/25/2015] [Accepted: 12/18/2015] [Indexed: 12/15/2022]
Abstract
Deregulated Notch signaling is associated with T-cell Acute Lymphoblastic Leukemia (T-ALL) development and progression. Increasing evidence reveals that Notch pathway has an important role in the invasion ability of tumor cells, including leukemia, although the underlying molecular mechanisms remain mostly unclear. Here, we show that Notch3 is a novel target protein of the prolyl-isomerase Pin1, which is able to regulate Notch3 protein processing and to stabilize the cleaved product, leading to the increased expression of the intracellular domain (N3IC), finally enhancing Notch3-dependent invasiveness properties. We demonstrate that the combined inhibition of Notch3 and Pin1 in the Notch3-overexpressing human leukemic TALL-1 cells reduces their high invasive potential, by decreasing the expression of the matrix metalloprotease MMP9. Consistently, Pin1 depletion in a mouse model of Notch3-induced T-ALL, by reducing N3IC expression and signaling, impairs the expansion/invasiveness of CD4+CD8+ DP cells in peripheral lymphoid and non-lymphoid organs. Notably, in in silico gene expression analysis of human T-ALL samples we observed a significant correlation between Pin1 and Notch3 expression levels, which may further suggest a key role of the newly identified Notch3-Pin1 axis in T-ALL aggressiveness and progression. Thus, combined suppression of Pin1 and Notch3 proteins may be exploited as an additional target therapy for T-ALL.
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Dubois S, Jardin F. The role of next-generation sequencing in understanding the genomic basis of diffuse large B cell lymphoma and advancing targeted therapies. Expert Rev Hematol 2016; 9:255-69. [PMID: 26652775 DOI: 10.1586/17474086.2016.1130616] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Next Generation Sequencing (NGS) has redefined the genetic landscape of Diffuse Large B-Cell Lymphoma (DLBCL) by identifying recurrent somatic mutations. Importantly, in some cases these mutations impact potentially actionable targets, thus affording novel personalized therapy opportunities. At the forefront of today's precision therapy era, how to best incorporate NGS into daily clinical practice is of primordial concern, in order to tailor patient's treatment regimens according to their individual mutational profiles. With the advent of cell-free DNA sequencing, which provides a sensitive and less invasive means of monitoring DLBCL patients, the clinical feasibility of NGS has been greatly improved. This article reviews the current landscape of DLBCL mutations, as well as the targeted therapies developed to counter their effects, and discusses how best to utilize NGS data for treatment decision-making.
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Affiliation(s)
- Sydney Dubois
- a Inserm U918, Centre Henri Becquerel , Université de Rouen, IRIB , Rouen , France
| | - Fabrice Jardin
- a Inserm U918, Centre Henri Becquerel , Université de Rouen, IRIB , Rouen , France.,b Department of Hematology , Centre Henri Becquerel , Rouen , France
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Kristensen L, Kristensen T, Abildgaard N, Royo C, Frederiksen M, Mourits-Andersen T, Campo E, Møller MB. LPL gene expression is associated with poor prognosis in CLL and closely related to NOTCH1 mutations. Eur J Haematol 2015; 97:175-82. [PMID: 26558352 DOI: 10.1111/ejh.12700] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/03/2015] [Indexed: 12/12/2022]
Abstract
INTRODUCTION Chronic lymphocytic leukemia is a heterogeneous yet incurable disease. Whole-genome and whole-exome sequencing studies have revealed recurrently occurring somatic mutations in some genes. Several other prognostic markers have previously been tested for their prognostic value in CLL. LPL is among these markers. AIM To evaluate LPL gene expression together with the well-established prognostic markers of CLL and investigate correlations with more recently identified prognostic markers, NOTCH1 and TP53 mutations. METHODS On 149 patients, LPL gene expression was analyzed by real-time RT-PCR. Exon 34 of NOTCH1 was PCR-amplified and directly sequenced. RESULTS LPL gene expression could be measured as a categorical variable (LPL+/LPL-) and was associated with time to treatment (P < 0.001) and overall survival (P = 0.007). In patients otherwise classified as having a good prognosis according to established and new prognostic markers, 3 of 4 patients, who received treatment within 24 months after diagnosis, were LPL+ (P = 0.03). There was a strong correlation between NOTCH1 mutation and LPL+ (P = 0.005). The unfavorable prognosis of LPL+ was maintained in CLL with wild-type NOTCH1. CONCLUSIONS NOTCH1 mutations are tightly associated with LPL gene expression. LPL expression is independently associated with poor outcome in CLL and can be measured as a categorical variable.
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Affiliation(s)
- Louise Kristensen
- Department of Pathology, Odense University Hospital, Odense, Denmark
| | - Thomas Kristensen
- Department of Pathology, Odense University Hospital, Odense, Denmark
| | - Niels Abildgaard
- Department of Hematology, Odense University Hospital, Odense, Denmark
| | - Cristina Royo
- Institut d'Investigacions Biomèdiques August Pi I Sunyer (IDIBAPS), Hospital Clinic, University of Barcelona, Barcelona, Spain
| | - Mikael Frederiksen
- Department of Hematology, Hospital of Southern Jutland, Aabenraa, Denmark
| | | | - Elias Campo
- Institut d'Investigacions Biomèdiques August Pi I Sunyer (IDIBAPS), Hospital Clinic, University of Barcelona, Barcelona, Spain
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Xiao YF, Yong X, Tang B, Qin Y, Zhang JW, Zhang D, Xie R, Yang SM. Notch and Wnt signaling pathway in cancer: Crucial role and potential therapeutic targets (Review). Int J Oncol 2015; 48:437-49. [PMID: 26648421 DOI: 10.3892/ijo.2015.3280] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2015] [Accepted: 10/19/2015] [Indexed: 11/05/2022] Open
Abstract
There is no radical cure for all cancer types. The most frequently used therapies are surgical treatment, radiotherapy and chemotherapy. However, recrudescence, radiation resistance and chemotherapy resistance are the most challenging issues in clinical practice. To address these issues, they should be further studied at the molecular level, and the signaling pathways involved represent a promising avenue for this research. In the present review, we mainly discuss the components and mechanisms of activation of the Notch and Wnt signaling pathways, and we summarize the recent research efforts on these two pathways in different cancers. We also evaluate the ideal drugs that could target these two signaling pathways for cancer therapy, summarize alterations in the Notch and Wnt signaling pathways in cancer, and discuss potential signaling inhibitors as effective drugs for cancer therapy.
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Affiliation(s)
- Yu-Feng Xiao
- Department of Gastroenterology, Xinqiao Hospital, Third Military Medical University, Chongqing 400037, P.R. China
| | - Xin Yong
- Department of Gastroenterology, Xinqiao Hospital, Third Military Medical University, Chongqing 400037, P.R. China
| | - Bo Tang
- Department of Gastroenterology, Xinqiao Hospital, Third Military Medical University, Chongqing 400037, P.R. China
| | - Yong Qin
- Department of Gastroenterology, Xinqiao Hospital, Third Military Medical University, Chongqing 400037, P.R. China
| | - Jian-Wei Zhang
- Department of Gastroenterology, Xinqiao Hospital, Third Military Medical University, Chongqing 400037, P.R. China
| | - Dan Zhang
- Department of Gastroenterology, Xinqiao Hospital, Third Military Medical University, Chongqing 400037, P.R. China
| | - Rui Xie
- Department of Gastroenterology, Xinqiao Hospital, Third Military Medical University, Chongqing 400037, P.R. China
| | - Shi-Ming Yang
- Department of Gastroenterology, Xinqiao Hospital, Third Military Medical University, Chongqing 400037, P.R. China
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Athanasakis E, Melloni E, Rigolin GM, Agnoletto C, Voltan R, Vozzi D, Piscianz E, Segat L, Dal Monego S, Cuneo A, Secchiero P, Zauli G. The p53 transcriptional pathway is preserved in ATMmutated and NOTCH1mutated chronic lymphocytic leukemias. Oncotarget 2015; 5:12635-45. [PMID: 25587027 PMCID: PMC4350355 DOI: 10.18632/oncotarget.2211] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2014] [Accepted: 07/11/2014] [Indexed: 11/25/2022] Open
Abstract
By using next generation sequencing, we have analyzed 108 B chronic lymphocytic leukemia (B-CLL) patients. Among genes involved in the TP53 pathway, we found frequent mutations in ATM (n=18), TP53 (n=10) and NOTCH1 (n=10) genes, rare mutations of NOTCH2 (n=2) and CDKN1A/p21 (n=1) and no mutations in BAX, MDM2, TNFRSF10A and TNFRSF10B genes. The in vitro treatment of primary B-CLL cells with the activator of p53 Nutlin-3 induced the transcription of p53 target genes, without significant differences between the B-CLL without mutations and those harboring either ATM or NOTCH1 mutations. On the other hand, the subgroup of TP53mutated B-CLL exhibited a significantly lower induction of the p53 target genes in response to Nutlin-3 as compared to the other B-CLL samples. However, among the TP53mutated B-CLL, those showing mutations in the high hot spot region of the DNA binding domain [273-280 aa] maintained a significantly higher p53-dependent transcriptional activity as compared to the other TP53mutated B-CLL samples. Since the ability to elicit a p53-dependent transcriptional activity in vitro has a positive prognostic significance, our data suggest that ATMmutated, NOTCH1mutated and surprisingly, also a subset of TP53mutated B-CLL patients might benefit from therapeutic combinations including small molecule activator of the p53 pathway.
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Affiliation(s)
| | - Elisabetta Melloni
- Department of Morphology, Surgery, Experimental Medicine and LTTA Centre, University of Ferrara, Ferrara, Italy
| | - Gian Matteo Rigolin
- Department of Medical Sciences, University of Ferrara-Arcispedale S. Anna, Ferrara, Italy
| | - Chiara Agnoletto
- Department of Morphology, Surgery, Experimental Medicine and LTTA Centre, University of Ferrara, Ferrara, Italy
| | - Rebecca Voltan
- Department of Morphology, Surgery, Experimental Medicine and LTTA Centre, University of Ferrara, Ferrara, Italy
| | - Diego Vozzi
- Institute for Maternal and Child Health, IRCCS "Burlo Garofolo", Trieste, Italy
| | - Elisa Piscianz
- Institute for Maternal and Child Health, IRCCS "Burlo Garofolo", Trieste, Italy
| | - Ludovica Segat
- Institute for Maternal and Child Health, IRCCS "Burlo Garofolo", Trieste, Italy
| | - Simeone Dal Monego
- Cluster in Biomedicine, CBM S.c.r.l., Bioinformatic Services, Area Science Park, Trieste, Italy
| | - Antonio Cuneo
- Department of Medical Sciences, University of Ferrara-Arcispedale S. Anna, Ferrara, Italy
| | - Paola Secchiero
- Department of Morphology, Surgery, Experimental Medicine and LTTA Centre, University of Ferrara, Ferrara, Italy
| | - Giorgio Zauli
- Institute for Maternal and Child Health, IRCCS "Burlo Garofolo", Trieste, Italy
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Colombo M, Galletti S, Garavelli S, Platonova N, Paoli A, Basile A, Taiana E, Neri A, Chiaramonte R. Notch signaling deregulation in multiple myeloma: A rational molecular target. Oncotarget 2015; 6:26826-40. [PMID: 26308486 PMCID: PMC4694956 DOI: 10.18632/oncotarget.5025] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2015] [Accepted: 08/03/2015] [Indexed: 12/16/2022] Open
Abstract
Despite recent therapeutic advances, multiple myeloma (MM) is still an incurable neoplasia due to intrinsic or acquired resistance to therapy. Myeloma cell localization in the bone marrow milieu allows direct interactions between tumor cells and non-tumor bone marrow cells which promote neoplastic cell growth, survival, bone disease, acquisition of drug resistance and consequent relapse. Twenty percent of MM patients are at high-risk of treatment failure as defined by tumor markers or presentation as plasma cell leukemia. Cumulative evidences indicate a key role of Notch signaling in multiple myeloma onset and progression. Unlike other Notch-related malignancies, where the majority of patients carry gain-of-function mutations in Notch pathway members, in MM cell Notch signaling is aberrantly activated due to an increased expression of Notch receptors and ligands; notably, this also results in the activation of Notch signaling in surrounding stromal cells which contributes to myeloma cell proliferation, survival and migration, as well as to bone disease and intrinsic and acquired pharmacological resistance. Here we review the last findings on the mechanisms and the effects of Notch signaling dysregulation in MM and provide a rationale for a therapeutic strategy aiming at inhibiting Notch signaling, along with a complete overview on the currently available Notch-directed approaches.
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Affiliation(s)
- Michela Colombo
- Department of Health Sciences, Università degli Studi di Milano, 20142 Milano, Italy
| | - Serena Galletti
- Department of Clinical Sciences and Community Health, Università degli Studi di Milano; Hematology, Fondazione Cà Granda IRCCS Policlinico, 20122 Milano, Italy
| | - Silvia Garavelli
- Department of Health Sciences, Università degli Studi di Milano, 20142 Milano, Italy
| | - Natalia Platonova
- Department of Clinical Sciences and Community Health, Università degli Studi di Milano; Hematology, Fondazione Cà Granda IRCCS Policlinico, 20122 Milano, Italy
| | - Alessandro Paoli
- Department of Health Sciences, Università degli Studi di Milano, 20142 Milano, Italy
| | - Andrea Basile
- Department of Health Sciences, Università degli Studi di Milano, 20142 Milano, Italy
| | - Elisa Taiana
- Department of Clinical Sciences and Community Health, Università degli Studi di Milano; Hematology, Fondazione Cà Granda IRCCS Policlinico, 20122 Milano, Italy
| | - Antonino Neri
- Department of Clinical Sciences and Community Health, Università degli Studi di Milano; Hematology, Fondazione Cà Granda IRCCS Policlinico, 20122 Milano, Italy
| | - Raffaella Chiaramonte
- Department of Health Sciences, Università degli Studi di Milano, 20142 Milano, Italy
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47
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Gounder MM. Notch inhibition in desmoids: “Sure it works in practice, but does it work in theory?”. Cancer 2015; 121:3933-7. [DOI: 10.1002/cncr.29562] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2015] [Accepted: 06/12/2015] [Indexed: 12/17/2022]
Affiliation(s)
- Mrinal M. Gounder
- Department of Medicine; Memorial Sloan Kettering Cancer Center; New York New York
- Weill Cornell Medical College; New York New York
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48
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Notch signaling: an emerging therapeutic target for cancer treatment. Cancer Lett 2015; 369:20-7. [PMID: 26341688 DOI: 10.1016/j.canlet.2015.07.048] [Citation(s) in RCA: 279] [Impact Index Per Article: 31.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2015] [Revised: 07/28/2015] [Accepted: 07/31/2015] [Indexed: 12/14/2022]
Abstract
The Notch pathway is involved in cell proliferation, differentiation and survival. The Notch signaling pathway is one of the most commonly activated signaling pathways in cancer. Alterations include activating mutations and amplification of the Notch pathway, which play key roles in the progression of cancer. Accumulating evidence suggests that the pharmacological inhibition of this pathway can overcome chemoresistance. Efforts have been taken to develop Notch inhibitors as a single agent or in combination with clinically used chemotherapeutics to treat cancer. Some Notch inhibitors have been demonstrated to have therapeutic efficacy in preclinical studies. This review summarizes the recent studies and clinical evaluations of the Notch inhibitors in cancer.
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49
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Spina V, Martuscelli L, Rossi D. Molecular deregulation of signaling in lymphoid tumors. Eur J Haematol 2015; 95:257-69. [PMID: 25881749 DOI: 10.1111/ejh.12567] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/13/2015] [Indexed: 12/01/2022]
Abstract
Genomic studies have led to a significant impact both on the pace and the nature of understanding the molecular and biological bases of a variety of lymphoid tumors. An increasingly emerging aspect from genomic studies is that malignant lymphoid cells manipulate signaling pathways that are central to the homeostasis of their normal counterpart, including B- and T-cell receptor signaling, NF-κB signaling, Toll-like receptor signaling, cytokine signaling, MAP kinase signaling, and NOTCH signaling. This review aims at covering the signaling pathways that are affected by mutations in lymphoid tumors, and how genetic alteration of these pathways may contribute to disease pathogenesis and management.
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Affiliation(s)
- Valeria Spina
- Division of Hematology, Department of Translational Medicine, Amedeo Avogadro University of Eastern Piedmont, Novara, Italy
| | - Lavinia Martuscelli
- Division of Hematology, Department of Translational Medicine, Amedeo Avogadro University of Eastern Piedmont, Novara, Italy
| | - Davide Rossi
- Division of Hematology, Department of Translational Medicine, Amedeo Avogadro University of Eastern Piedmont, Novara, Italy
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50
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Previs RA, Coleman RL, Harris AL, Sood AK. Molecular pathways: translational and therapeutic implications of the Notch signaling pathway in cancer. Clin Cancer Res 2015; 21:955-61. [PMID: 25388163 PMCID: PMC4333206 DOI: 10.1158/1078-0432.ccr-14-0809] [Citation(s) in RCA: 111] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Over 100 years have passed since the first observation of the notched wing phenotype in Drosophila melanogaster, and significant progress has been made to characterize the role of the Notch receptor, its ligands, downstream targets, and cross-talk with other signaling pathways. The canonical Notch pathway with four Notch receptors (Notch1-4) and five ligands (DLL1, 3-4, Jagged 1-2) is an evolutionarily conserved cell signaling pathway that plays critical roles in cell-fate determination, differentiation, development, tissue patterning, cell proliferation, and death. In cancer, these roles have a critical impact on tumor behavior and response to therapy. Because the role of Notch remains tissue and context dependent, alterations within this pathway may lead to tumor suppressive or oncogenic phenotypes. Although no FDA-approved therapies currently exist for the Notch pathway, multiple therapeutics (e.g., demcizumab, tarextumab, GSI MK-0752, R04929097, and PF63084014) have been developed to target different aspects of this pathway for both hematologic and solid malignancies. Understanding the context-specific effects of the Notch pathway will be important for individualized therapies targeting this pathway.
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Affiliation(s)
- Rebecca A Previs
- Department of Gynecologic Oncology and Reproductive Medicine, The University of Texas M.D. Anderson Cancer Center, Houston, Texas
| | - Robert L Coleman
- Department of Gynecologic Oncology and Reproductive Medicine, The University of Texas M.D. Anderson Cancer Center, Houston, Texas
| | - Adrian L Harris
- The Weatherall Institute of Molecular Medicine, The University of Oxford, John Radcliffe Hospital, Oxford, United Kingdom
| | - Anil K Sood
- Department of Gynecologic Oncology and Reproductive Medicine, The University of Texas M.D. Anderson Cancer Center, Houston, Texas. Department of Cancer Biology, The University of Texas M.D. Anderson Cancer Center, Houston, Texas. Center for RNA Interference and Non-Coding RNA, The University of Texas M.D. Anderson Cancer Center, Houston, Texas.
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