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Hines AS, Koster MJ, Bock AR, Go RS, Warrington KJ, Olteanu H, Lasho TL, Patnaik MM, Reichard KK. Targeted testing of bone marrow specimens with cytoplasmic vacuolization to identify previously undiagnosed cases of VEXAS syndrome. Rheumatology (Oxford) 2023; 62:3947-3951. [PMID: 37228016 DOI: 10.1093/rheumatology/kead245] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Revised: 05/04/2023] [Accepted: 05/16/2023] [Indexed: 05/27/2023] Open
Abstract
OBJECTIVE To retrospectively identify patients with VEXAS syndrome (vacuoles, E1 enzyme, X-linked, autoinflammatory, somatic syndrome) among male patients with bone marrow vacuolization using a clinically applicable, targeted-screening approach. METHODS Bone marrow reports from 1 May 2014 through 18 February 2022 were reviewed for documentation of cytoplasmic vacuolization. Patients with acute leukaemia, lymphoma, metastatic solid tumour, amyloidosis or POEMS (polyneuropathy, organomegaly, endocrinopathy, monoclonal protein, skin changes) syndrome were excluded, as were those without clinical records available for direct chart review. Cases were rated for suspicion of VEXAS syndrome using a 5-point scale based on the presence of laboratory findings, clinical features and treatment response. Patients with available DNA material and moderate (three patients) or high (four to five patients) suspicion were tested for somatic UBA1 variants associated with VEXAS syndrome. RESULTS A total of 315 reports from 292 unique patients included documentation of vacuolization. Following exclusion criteria, 64 patients underwent direct medical chart review to assess likelihood of VEXAS syndrome, for which 21 patients met moderate to high suspicion. Available DNA was present in eight patients, seven (87.5%) of whom had a pathogenic somatic UBA1 variant consistent with VEXAS syndrome. The distribution of cytoplasmic vacuolization in the bone marrow biopsy reports among patients with VEXAS syndrome were erythroid and myeloid precursors (6/7), erythroid precursors only (1/7) and myeloid precursors only (0/7). CONCLUSION In this study, the utilization of a clinically applicable targeted-screening approach to test bone marrow specimens (with vacuolization) for the presence of previously undiagnosed VEXAS syndrome resulted in a positive detection rate of 87.5%.
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Affiliation(s)
| | - Matthew J Koster
- Division of Rheumatology, Department of Internal Medicine, Mayo Clinic, Rochester, MN, USA
| | - Allison R Bock
- Division of Hematology, Department of Internal Medicine, Mayo Clinic, Rochester, MN, USA
| | - Ronald S Go
- Division of Hematology, Department of Internal Medicine, Mayo Clinic, Rochester, MN, USA
| | - Kenneth J Warrington
- Division of Rheumatology, Department of Internal Medicine, Mayo Clinic, Rochester, MN, USA
| | - Horatiu Olteanu
- Division of Hematopathology, Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN, USA
| | - Terra L Lasho
- Division of Hematology, Department of Internal Medicine, Mayo Clinic, Rochester, MN, USA
| | - Mrinal M Patnaik
- Division of Hematology, Department of Internal Medicine, Mayo Clinic, Rochester, MN, USA
| | - Kaaren K Reichard
- Division of Hematopathology, Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN, USA
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Koster MJ, Samec MJ, Warrington KJ. VEXAS Syndrome-A Review of Pathophysiology, Presentation, and Prognosis. J Clin Rheumatol 2023; 29:298-306. [PMID: 36251488 DOI: 10.1097/rhu.0000000000001905] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
ABSTRACT VEXAS ( V acuoles, E 1 enzyme, X -linked, A utoinflammatory, S omatic) syndrome is a newly identified disease caused by somatic mutations in the UBA1 gene resulting in refractory autoinflammatory features, frequently accompanied by cytopenias. Although the prevalence of this syndrome is yet unknown, understanding the clinical phenotype can assist clinicians in prompt recognition of cases among patients with glucocorticoid-responsive but immunosuppressive-resistant inflammatory symptoms. The pathophysiology, clinical presentation, diagnostic methods, treatment, and prognosis of VEXAS are herein reviewed.
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Koster MJ, Ghaffar U, Kermani TA, Patnaik MM, Go RS, Mangaonkar AA, Reichard KK, Olteanu H, Warrington KJ. Antineutrophil cytoplasmic antibody-associated vasculitis and VEXAS syndrome: comment on the article by Muratore et al. Arthritis Rheumatol 2023; 75:1490-1492. [PMID: 36716119 DOI: 10.1002/art.42466] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Accepted: 12/27/2022] [Indexed: 01/31/2023]
Affiliation(s)
- Matthew J Koster
- Division of Rheumatology, Department of Internal Medicine, Mayo Clinic, Rochester, MN
| | - Umar Ghaffar
- Division of Rheumatology, Department of Internal Medicine, Mayo Clinic, Rochester, MN
| | - Tanaz A Kermani
- Division of Rheumatology, Department of Internal Medicine, University of California, Los Angeles, Santa Monica, CA
| | - Mrinal M Patnaik
- Division of Hematology, Department of Internal Medicine, Mayo Clinic, Rochester, MN
| | - Ronald S Go
- Division of Hematology, Department of Internal Medicine, Mayo Clinic, Rochester, MN
| | | | - Kaaren K Reichard
- Division of Hematopathology, Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN
| | - Horatiu Olteanu
- Division of Hematopathology, Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN
| | - Kenneth J Warrington
- Division of Rheumatology, Department of Internal Medicine, Mayo Clinic, Rochester, MN
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Heiblig M, Patel B, Jamilloux Y. VEXAS syndrome, a new kid on the block of auto-inflammatory diseases: A hematologist's point of view. Best Pract Res Clin Rheumatol 2023; 37:101861. [PMID: 37652853 DOI: 10.1016/j.berh.2023.101861] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Revised: 06/29/2023] [Accepted: 07/24/2023] [Indexed: 09/02/2023]
Abstract
The recently discovered VEXAS syndrome is caused by the clonal expansion of hematopoietic stem or progenitor cells with acquired mutations in UBA1 gene, which encodes for a key enzyme of the ubiquitylation proteasome system. As a result, a shorter cytoplasmic isoform of UBA1 is transcribed, which is non-functional. The disease is characterized by non-specific and highly heterogeneous inflammatory manifestations and macrocytic anemia. VEXAS syndrome is a unique acquired hematological monogenic disease with unexpected association with hematological neoplasms. Despite its hematopoetic origin, patients with VEXAS syndrome usually present with multi-systemicinflammatory disease and are treated by physicians from many different specialties (rheumatologists, dermatologists, hematologistis, etc.). Furthermore, manifestations of VEXAS may fulfill criteria for existing diseases: relapsing polychondritis, giant cell arteritis, polyarteritis nodosa, and myelodysplastic syndrome. The goal of this review is to depict VEXAS syndrome from a hematologic point of view regarding its consequences on hematopoiesis and the current strategies on therapeutic interventions.
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Affiliation(s)
- Maël Heiblig
- Hospices Civils de Lyon, Hôpital Lyon Sud, Service d'hématologie clinique, Lyon, France; Université Claude Bernard Lyon 1, Faculté de médecine et de maïeutique Lyon Sud Charles Mérieux, Lymphoma Immunobiology Team, Pierre Bénite, France.
| | - Bhavisha Patel
- Hematology Branch, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD, USA
| | - Yvan Jamilloux
- Hospices Civils de Lyon, Hôpital de la Croix Rousse, Service de médecine interne, Lyon, France
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Impact of Mutational Status and Prognostic Factors on Survival in Chronic Myelomonocytic Leukemia With Systemic Inflammation and Autoimmune Disorders. Hemasphere 2023; 7:e847. [PMID: 36844177 PMCID: PMC9953038 DOI: 10.1097/hs9.0000000000000847] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2022] [Accepted: 01/12/2023] [Indexed: 02/25/2023] Open
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Lötscher F, Seitz L, Simeunovic H, Sarbu AC, Porret NA, Feldmeyer L, Borradori L, Bonadies N, Maurer B. Case Report: Genetic Double Strike: VEXAS and TET2-Positive Myelodysplastic Syndrome in a Patient With Long-Standing Refractory Autoinflammatory Disease. Front Immunol 2022; 12:800149. [PMID: 35126364 PMCID: PMC8811255 DOI: 10.3389/fimmu.2021.800149] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2021] [Accepted: 12/28/2021] [Indexed: 11/13/2022] Open
Abstract
Somatic genetic mutations involving the innate and inflammasome signaling are key drivers of the pathogenesis of myelodysplastic syndromes (MDS). Herein, we present a patient, who suffered from a long-standing refractory adult-onset autoinflammatory syndrome (AIS), previously interpreted as various distinct rheumatic disorders. Developing pancytopenia and particularly macrocytic anemia prompted the screening for a hematological malignancy, which led to the diagnosis of a TET-2-positive MDS. The impressive and continuously changing range of organ involvement, with remarkable refractoriness to anti-inflammatory treatment, exceeded the common autoinflammatory phenotype of MDS patients. This prompted us to suspect a recently discovered disease, characterized by somatic mutations of the UBA1 gene: the VEXAS (Vacuoles, E1 enzyme, X-linked, Autoinflammatory, Somatic) syndrome, which was ultimately confirmed by genetic testing. Reevaluation of previous bone marrow biopsies showed the presence of characteristic vacuoles in myeloid- and erythroid progenitor cells. Our case illustrates that the triad of an unresponsive multisystemic autoinflammatory disease, hematological abnormalities and vacuoles in myeloid- and erythroid progenitors in the bone marrow biopsy should prompt screening for the VEXAS syndrome.
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Affiliation(s)
- Fabian Lötscher
- Department of Rheumatology and Immunology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
- *Correspondence: Fabian Lötscher, ; orcid.org/0000-0002-1626-9931
| | - Luca Seitz
- Department of Rheumatology and Immunology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Helena Simeunovic
- Department of Hematology and Central Hematology Laboratory, Inselspital Bern, University of Bern, Bern, Switzerland
| | - Adela-Cristina Sarbu
- Department of Rheumatology and Immunology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Naomi A. Porret
- Department of Hematology and Central Hematology Laboratory, Inselspital Bern, University of Bern, Bern, Switzerland
| | - Laurence Feldmeyer
- Department of Dermatology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Luca Borradori
- Department of Dermatology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - Nicolas Bonadies
- Department of Hematology and Central Hematology Laboratory, Inselspital Bern, University of Bern, Bern, Switzerland
- Department for BioMedical Research, University of Bern, Bern, Switzerland
| | - Britta Maurer
- Department of Rheumatology and Immunology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
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