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Crespiatico I, Zaghi M, Mastini C, D'Aliberti D, Mauri M, Mercado CM, Fontana D, Spinelli S, Crippa V, Inzoli E, Manghisi B, Civettini I, Ramazzotti D, Sangiorgio V, Gengotti M, Brambilla V, Aroldi A, Banfi F, Barone C, Orsenigo R, Riera L, Riminucci M, Corsi A, Breccia M, Morotti A, Cilloni D, Roccaro A, Sacco A, Stagno F, Serafini M, Mottadelli F, Cazzaniga G, Pagni F, Chiarle R, Azzoni E, Sessa A, Gambacorti-Passerini C, Elli EM, Mologni L, Piazza R. First-hit SETBP1 mutations cause a myeloproliferative disorder with bone marrow fibrosis. Blood 2024; 143:1399-1413. [PMID: 38194688 DOI: 10.1182/blood.2023021349] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Revised: 12/19/2023] [Accepted: 12/20/2023] [Indexed: 01/11/2024] Open
Abstract
ABSTRACT SETBP1 mutations are found in various clonal myeloid disorders. However, it is unclear whether they can initiate leukemia, because SETBP1 mutations typically appear as later events during oncogenesis. To answer this question, we generated a mouse model expressing mutated SETBP1 in hematopoietic tissue: this model showed profound alterations in the differentiation program of hematopoietic progenitors and developed a myeloid neoplasm with megakaryocytic dysplasia, splenomegaly, and bone marrow fibrosis, prompting us to investigate SETBP1 mutations in a cohort of 36 triple-negative primary myelofibrosis (TN-PMF) cases. We identified 2 distinct subgroups, one carrying SETBP1 mutations and the other completely devoid of somatic variants. Clinically, a striking difference in disease aggressiveness was noted, with patients with SETBP1 mutation showing a much worse clinical course. In contrast to myelodysplastic/myeloproliferative neoplasms, in which SETBP1 mutations are mostly found as a late clonal event, single-cell clonal hierarchy reconstruction in 3 patients with TN-PMF from our cohort revealed SETBP1 to be a very early event, suggesting that the phenotype of the different SETBP1+ disorders may be shaped by the opposite hierarchy of the same clonal SETBP1 variants.
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Affiliation(s)
- Ilaria Crespiatico
- Department of Medicine and Surgery, University of Milan-Bicocca, Monza, Italy
| | - Mattia Zaghi
- Neuroepigenetics Unit, Division of Neuroscience, Istituto di Ricovero e Cura a Carattere Scientifico San Raffaele Scientific Institute, Milan, Italy
| | - Cristina Mastini
- Department of Medicine and Surgery, University of Milan-Bicocca, Monza, Italy
| | - Deborah D'Aliberti
- Department of Medicine and Surgery, University of Milan-Bicocca, Monza, Italy
| | - Mario Mauri
- Department of Medicine and Surgery, University of Milan-Bicocca, Monza, Italy
| | - Carl Mirko Mercado
- Department of Medicine and Surgery, University of Milan-Bicocca, Monza, Italy
| | - Diletta Fontana
- Department of Medicine and Surgery, University of Milan-Bicocca, Monza, Italy
| | - Silvia Spinelli
- Department of Medicine and Surgery, University of Milan-Bicocca, Monza, Italy
| | - Valentina Crippa
- Department of Medicine and Surgery, University of Milan-Bicocca, Monza, Italy
| | - Elena Inzoli
- Hematology Division and Bone Marrow Unit, Fondazione Istituto di Ricovero e Cura a Carattere Scientifico San Gerardo dei Tintori, Monza, Italy
| | - Beatrice Manghisi
- Hematology Division and Bone Marrow Unit, Fondazione Istituto di Ricovero e Cura a Carattere Scientifico San Gerardo dei Tintori, Monza, Italy
| | - Ivan Civettini
- Hematology Division and Bone Marrow Unit, Fondazione Istituto di Ricovero e Cura a Carattere Scientifico San Gerardo dei Tintori, Monza, Italy
| | - Daniele Ramazzotti
- Department of Medicine and Surgery, University of Milan-Bicocca, Monza, Italy
| | - Valentina Sangiorgio
- Hematology Division and Bone Marrow Unit, Fondazione Istituto di Ricovero e Cura a Carattere Scientifico San Gerardo dei Tintori, Monza, Italy
| | - Michele Gengotti
- Department of Medicine and Surgery, University of Milan-Bicocca, Monza, Italy
| | | | - Andrea Aroldi
- Department of Medicine and Surgery, University of Milan-Bicocca, Monza, Italy
- Hematology Division and Bone Marrow Unit, Fondazione Istituto di Ricovero e Cura a Carattere Scientifico San Gerardo dei Tintori, Monza, Italy
| | - Federica Banfi
- Neuroepigenetics Unit, Division of Neuroscience, Istituto di Ricovero e Cura a Carattere Scientifico San Raffaele Scientific Institute, Milan, Italy
| | - Cristiana Barone
- Department of Medicine and Surgery, University of Milan-Bicocca, Monza, Italy
| | - Roberto Orsenigo
- Biomedical Research in Melanoma-Animal Models and Cancer Laboratory, Vall d'Hebron Research Institute, Vall d'Hebron Hospital Barcelona UAB, Barcelona, Spain
| | - Ludovica Riera
- Department of Pathology, Azienda Ospedaliero Universitaria Città della Salute e della Scienza, Turin, Italy
| | - Mara Riminucci
- Department of Molecular Medicine, Azienda Policlinico Umberto I, Sapienza University of Rome, Rome, Italy
| | - Alessandro Corsi
- Department of Molecular Medicine, Azienda Policlinico Umberto I, Sapienza University of Rome, Rome, Italy
| | - Massimo Breccia
- Department of Translational and Precision Medicine, Azienda Policlinico Umberto I, Sapienza University of Rome, Rome, Italy
| | - Alessandro Morotti
- Department of Clinical and Biological Sciences, University of Turin, Orbassano, Turin, Italy
| | - Daniela Cilloni
- Department of Clinical and Biological Sciences, University of Turin, Orbassano, Turin, Italy
| | - Aldo Roccaro
- Clinical Trial Center, Translational Research and Phase I Unit, Azienda Socio Sanitaria Territoriale Spedali Civili di Brescia, Brescia, Italy
| | - Antonio Sacco
- Clinical Trial Center, Translational Research and Phase I Unit, Azienda Socio Sanitaria Territoriale Spedali Civili di Brescia, Brescia, Italy
| | - Fabio Stagno
- Division of Hematology, Azienda Ospedaliero Universitaria Policlinico G. Rodolico-S. Marco, Catania, Italy
| | - Marta Serafini
- Centro Tettamanti, Istituto di Ricovero e Cura a Carattere Scientifico San Gerardo dei Tintori, Monza, Italy
| | - Federica Mottadelli
- Centro Tettamanti, Istituto di Ricovero e Cura a Carattere Scientifico San Gerardo dei Tintori, Monza, Italy
| | - Giovanni Cazzaniga
- Department of Medicine and Surgery, University of Milan-Bicocca, Monza, Italy
- Centro Tettamanti, Istituto di Ricovero e Cura a Carattere Scientifico San Gerardo dei Tintori, Monza, Italy
| | - Fabio Pagni
- Department of Pathology, University of Milan-Bicocca, Monza, Italy
| | - Roberto Chiarle
- Department of Molecular Biotechnology and Health Sciences, University of Torino, Italy
- Department of Pathology, Children's Hospital and Harvard Medical School, Boston, MA
- European Institute of Oncology Istituto di Ricovero e Cura a Carattere Scientifico, Division of Haematopathology, Milan, Italy
| | - Emanuele Azzoni
- Department of Medicine and Surgery, University of Milan-Bicocca, Monza, Italy
| | - Alessandro Sessa
- Neuroepigenetics Unit, Division of Neuroscience, Istituto di Ricovero e Cura a Carattere Scientifico San Raffaele Scientific Institute, Milan, Italy
| | - Carlo Gambacorti-Passerini
- Department of Medicine and Surgery, University of Milan-Bicocca, Monza, Italy
- Hematology Division and Bone Marrow Unit, Fondazione Istituto di Ricovero e Cura a Carattere Scientifico San Gerardo dei Tintori, Monza, Italy
| | - Elena Maria Elli
- Hematology Division and Bone Marrow Unit, Fondazione Istituto di Ricovero e Cura a Carattere Scientifico San Gerardo dei Tintori, Monza, Italy
| | - Luca Mologni
- Department of Medicine and Surgery, University of Milan-Bicocca, Monza, Italy
| | - Rocco Piazza
- Department of Medicine and Surgery, University of Milan-Bicocca, Monza, Italy
- Hematology Division and Bone Marrow Unit, Fondazione Istituto di Ricovero e Cura a Carattere Scientifico San Gerardo dei Tintori, Monza, Italy
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