51
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Liu Y, Zheng Y, Gang Q, Xie Z, Jin Y, Zhang X, Deng X, Hao H, Gao F, Zhang Z, Xiong H, Zhang W, Wang Z, Yuan Y. Perimysial microarteriopathy in dermatomyositis with anti‐nuclear matrix protein‐2 antibodies. Eur J Neurol 2019; 27:514-521. [PMID: 31571350 DOI: 10.1111/ene.14097] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2019] [Accepted: 09/27/2019] [Indexed: 01/19/2023]
Affiliation(s)
- Y. Liu
- Department of Neurology Peking University First Hospital Beijing China
| | - Y. Zheng
- Department of Neurology Peking University First Hospital Beijing China
| | - Q. Gang
- Department of Neurology Peking University First Hospital Beijing China
| | - Z. Xie
- Department of Neurology Peking University First Hospital Beijing China
| | - Y. Jin
- Department of Pediatrics Peking University First Hospital Beijing China
| | - X. Zhang
- Department of Rheumatology and Clinical Immunology Peking University First Hospital Beijing China
| | - X. Deng
- Department of Rheumatology and Clinical Immunology Peking University First Hospital Beijing China
| | - H. Hao
- Department of Neurology Peking University First Hospital Beijing China
| | - F. Gao
- Department of Neurology Peking University First Hospital Beijing China
| | - Z. Zhang
- Department of Rheumatology and Clinical Immunology Peking University First Hospital Beijing China
| | - H. Xiong
- Department of Pediatrics Peking University First Hospital Beijing China
| | - W. Zhang
- Department of Neurology Peking University First Hospital Beijing China
| | - Z. Wang
- Department of Neurology Peking University First Hospital Beijing China
| | - Y. Yuan
- Department of Neurology Peking University First Hospital Beijing China
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52
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Yang SH, Chang C, Lian ZX. Polymyositis and dermatomyositis - challenges in diagnosis and management. J Transl Autoimmun 2019; 2:100018. [PMID: 32743506 PMCID: PMC7388349 DOI: 10.1016/j.jtauto.2019.100018] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2019] [Accepted: 10/04/2019] [Indexed: 02/06/2023] Open
Abstract
Polymyositis (PM) and dermatomyositis (DM) are different disease subtypes of idiopathic inflammatory myopathies (IIMs). The main clinical features of PM and DM include progressive symmetric, predominantly proximal muscle weakness. Laboratory findings include elevated creatine kinase (CK), autoantibodies in serum, and inflammatory infiltrates in muscle biopsy. Dermatomyositis can also involve a characteristic skin rash. Both polymyositis and dermatomyositis can present with extramuscular involvement. The causative factor is agnogenic activation of immune system, leading to immunologic attacks on muscle fibers and endomysial capillaries. The treatment of choice is immunosuppression. PM and DM can be distinguished from other IIMs and myopathies by thorough history, physical examinations and laboratory evaluation and adherence to specific and up-to-date diagnosis criteria and classification standards. Treatment is based on correct diagnosis of these conditions. Challenges of diagnosis and management influences the clinical research and practice of Polymyositis and dermatomyositis. Diagnostic criteria have been updated and novel therapies have been developed in PM/DM. Pathogenesis investigation and diagnosis precision improvement may help to guide future treatment strategies.
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Key Words
- APC, antigen presenting cell
- AZA, Azathioprine
- CAM, cancer associated myositis
- CK, creatine kinase
- DM, dermatomyositis
- Dermatomyositis
- Diagnosis criteria
- EMG, electromyography
- HLA, human leukocyte antigen
- IIM, idiopathic inflammatory myopathies
- ILD, interstitial lung disease
- IV, intravenous
- Idiopathic inflammatory myopathy
- JDM, juvenile dermatomyositis
- MAA, myositis associated antibody
- MAC, membrane attack complex
- MHC, major histocompatibility complex
- MMF, mycophenolate mofetil
- MRI, magnetic resonance imaging
- MSA, myositis specific antibody
- MTX, methotrexate
- MUAP, motor unit action potential
- NAM, necrotizing autoimmune myopathy
- PM, polymyositis
- Polymyositis
- TNF, tumor necrosis factor
- Treatment
- Treg, regulatory T cell
- UVR, ultraviolet radiation
- sIBM, sporadic inclusion body myositis
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Affiliation(s)
- Shu-Han Yang
- Chronic Disease Laboratory, Institutes for Life Sciences and School of Medicine, South China University of Technology, Guangzhou, 510006, China
| | - Christopher Chang
- Division of Rheumatology, Allergy and Clinical Immunology, University of California, Davis, Davis, CA, USA.,Division of Pediatric Immunology and Allergy, Joe DiMaggio Children's Hospital, Hollywood, FL, USA
| | - Zhe-Xiong Lian
- Chronic Disease Laboratory, Institutes for Life Sciences and School of Medicine, South China University of Technology, Guangzhou, 510006, China
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53
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De Paepe B, Zschüntzsch J, Šokčević T, Weis J, Schmidt J, De Bleecker JL. Induction of Osmolyte Pathways in Skeletal Muscle Inflammation: Novel Biomarkers for Myositis. Front Neurol 2018; 9:846. [PMID: 30364257 PMCID: PMC6193116 DOI: 10.3389/fneur.2018.00846] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2018] [Accepted: 09/20/2018] [Indexed: 12/28/2022] Open
Abstract
We recently identified osmolyte accumulators as novel biomarkers for chronic skeletal muscle inflammation and weakness, but their precise involvement in inflammatory myopathies remains elusive. In the current study, we demonstrate in vitro that, in myoblasts and myotubes exposed to pro-inflammatory cytokines or increased salt concentration, mRNA levels of the osmolyte carriers SLC5A3, SLC6A6, SLC6A12, and AKR1B1 enzyme can be upregulated. Induction of SLC6A12 and AKR1B1 was confirmed at the protein level using immunofluorescence and Western blotting. Gene silencing by specific siRNAs revealed that these factors were vital for muscle cells under hyperosmotic conditions. Pro-inflammatory cytokines activated mitogen-activated protein kinases, nuclear factor κB as well as nuclear factor of activated T-cells 5 mRNA expression. In muscle biopsies from patients with polymyositis or sporadic inclusion body myositis, osmolyte pathway activation was observed in regenerating muscle fibers. In addition, the osmolyte carriers SLC5A3 and SLC6A12 localized to subsets of immune cells, most notably to the endomysial macrophages and T-cells. Collectively, this study unveiled that muscle cells respond to osmotic and inflammatory stress by osmolyte pathway activation, likely orchestrating general protection of the tissue. Moreover, pro-inflammatory properties are attributed to SLC5A3 and SLC6A12 in auto-aggressive macrophages and T-cells in inflamed skeletal muscle.
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Affiliation(s)
- Boel De Paepe
- Department of Neurology and Neuromuscular Reference Center, Ghent University Hospital, Ghent, Belgium
| | - Jana Zschüntzsch
- Department of Neurology, University Medical Center Göttingen, Göttingen, Germany
| | - Tea Šokčević
- Department of Neurology and Neuromuscular Reference Center, Ghent University Hospital, Ghent, Belgium
| | - Joachim Weis
- Institute for Neuropathology, Reinisch-Westfälische Technische Hochschule Aachen University Hospital, Aachen, Germany
| | - Jens Schmidt
- Department of Neurology, University Medical Center Göttingen, Göttingen, Germany
| | - Jan L De Bleecker
- Department of Neurology and Neuromuscular Reference Center, Ghent University Hospital, Ghent, Belgium
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54
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Chen M, Quan C, Diao L, Xue F, Xue K, Wang B, Li X, Zhu X, Zheng J, Cao H. Measurement of cytokines and chemokines and association with clinical severity of dermatomyositis and clinically amyopathic dermatomyositis. Br J Dermatol 2018; 179:1334-1341. [PMID: 30101523 DOI: 10.1111/bjd.17079] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/24/2018] [Indexed: 01/09/2023]
Affiliation(s)
- M. Chen
- Department of Dermatology; Rui Jin Hospital; School of Medicine; Shanghai Jiao Tong University; 200025 Shanghai China
| | - C. Quan
- Department of Dermatology; Rui Jin Hospital; School of Medicine; Shanghai Jiao Tong University; 200025 Shanghai China
| | - L. Diao
- Department of Dermatology; Rui Jin Hospital; School of Medicine; Shanghai Jiao Tong University; 200025 Shanghai China
| | - F. Xue
- Department of Dermatology; Rui Jin Hospital; School of Medicine; Shanghai Jiao Tong University; 200025 Shanghai China
| | - K. Xue
- Department of Dermatology; Rui Jin Hospital; School of Medicine; Shanghai Jiao Tong University; 200025 Shanghai China
| | - B. Wang
- Department of Dermatology; Rui Jin Hospital; School of Medicine; Shanghai Jiao Tong University; 200025 Shanghai China
| | - X. Li
- Department of Dermatology; Rui Jin Hospital; School of Medicine; Shanghai Jiao Tong University; 200025 Shanghai China
| | - X. Zhu
- Department of Respiratory Diseases; Rui Jin Hospital; School of Medicine; Shanghai Jiao Tong University; 200025 Shanghai China
| | - J. Zheng
- Department of Dermatology; Rui Jin Hospital; School of Medicine; Shanghai Jiao Tong University; 200025 Shanghai China
| | - H. Cao
- Department of Dermatology; Rui Jin Hospital; School of Medicine; Shanghai Jiao Tong University; 200025 Shanghai China
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55
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Sircar M, Rosales IA, Selig MK, Xu D, Zsengeller ZK, Stillman IE, Libermann TA, Karumanchi SA, Thadhani RI. Complement 7 Is Up-Regulated in Human Early Diabetic Kidney Disease. THE AMERICAN JOURNAL OF PATHOLOGY 2018; 188:2147-2154. [PMID: 30253844 PMCID: PMC6180251 DOI: 10.1016/j.ajpath.2018.06.018] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/08/2017] [Revised: 05/07/2018] [Accepted: 06/21/2018] [Indexed: 01/15/2023]
Abstract
There is a temporal window from the time diabetes is diagnosed to the appearance of overt kidney disease during which time the disease progresses quietly without detection. Currently, there is no way to detect early diabetic nephropathy (EDN). Herein, we performed an unbiased assessment of gene-expression analysis of postmortem human kidneys to identify candidate genes that may contribute to EDN. We then studied one of the most promising differentially expressed genes in both kidney tissue and blood samples. Differential transcriptome analysis of EDN kidneys and matched nondiabetic controls showed alterations in five canonical pathways, and among them the complement pathway was the most significantly altered. One specific complement pathway gene, complement 7 (C7), was significantly elevated in EDN kidney. Real-time PCR confirmed more than a twofold increase of C7 expression in EDN kidneys compared with controls. Changes in C7 gene product level were confirmed by immunohistochemistry. C7 protein levels were elevated in proximal tubules of EDN kidneys. Serum C7 protein levels were also measured in EDN and control donors. C7 levels were significantly higher in EDN serum than control serum. This latter finding was independently confirmed in a second set of blood samples from a previously collected data set. Together, our data suggest that C7 is associated with EDN, and can be used as a molecular target for detection and/or treatment of EDN.
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Affiliation(s)
- Monica Sircar
- Division of Nephrology, Massachusetts General Hospital and Partners Health Care, Harvard Medical School, Boston, Massachusetts.
| | - Ivy A Rosales
- Division of Nephrology, Massachusetts General Hospital and Partners Health Care, Harvard Medical School, Boston, Massachusetts
| | - Martin K Selig
- Division of Nephrology, Massachusetts General Hospital and Partners Health Care, Harvard Medical School, Boston, Massachusetts
| | - Dihua Xu
- Division of Nephrology, Massachusetts General Hospital and Partners Health Care, Harvard Medical School, Boston, Massachusetts
| | - Zsuzsanna K Zsengeller
- Center for Vascular Biology Research, Harvard Medical School, Boston, Massachusetts; Department of Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts; Department of Pathology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts
| | - Isaac E Stillman
- Center for Vascular Biology Research, Harvard Medical School, Boston, Massachusetts; Department of Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts; Department of Pathology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts
| | - Towia A Libermann
- Genomics, Proteomics, Bioinformatics, and Systems Biology Center, Department of Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts
| | - S Ananth Karumanchi
- Center for Vascular Biology Research, Harvard Medical School, Boston, Massachusetts; Department of Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts; Department of Pathology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts
| | - Ravi I Thadhani
- Division of Nephrology, Massachusetts General Hospital and Partners Health Care, Harvard Medical School, Boston, Massachusetts
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56
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Faguer S, Belliere J, Ribes D. Complement C5-blocking Agent in Refractory Dermatomyositis. J Rheumatol 2018; 45:1710-1711. [PMID: 30219762 DOI: 10.3899/jrheum.180060] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Stanislas Faguer
- Département de Néphrologie et Transplantation d'organes, and Centre de référence des maladies rénales rares, Centre Hospitalier de Toulouse;
| | - Julie Belliere
- Département de Néphrologie et Transplantation d'organes, and Centre de référence des maladies rénales rares, Centre Hospitalier de Toulouse
| | - David Ribes
- Département de Néphrologie et Transplantation d'organes, and Centre de référence des maladies rénales rares, Centre Hospitalier de Toulouse
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57
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Aouizerate J, De Antonio M, Bader-Meunier B, Barnerias C, Bodemer C, Isapof A, Quartier P, Melki I, Charuel JL, Bassez G, Desguerre I, Gherardi RK, Authier FJ, Gitiaux C. Muscle ischaemia associated with NXP2 autoantibodies: a severe subtype of juvenile dermatomyositis. Rheumatology (Oxford) 2018; 57:873-879. [PMID: 29474663 DOI: 10.1093/rheumatology/kex516] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2017] [Indexed: 12/31/2022] Open
Abstract
Objectives Myositis-specific autoantibodies (MSAs) are increasingly used to delineate distinct subgroups of JDM. The aim of our study was to explore without a priori hypotheses whether MSAs are associated with distinct clinical-pathological changes and severity in a monocentric JDM cohort. Methods Clinical, biological and histological findings from 23 JDM patients were assessed. Twenty-six histopathological parameters were subjected to multivariate analysis. Results Autoantibodies included anti-NXP2 (9/23), anti-TIF1γ (4/23), anti-MDA5 (2/23), no MSAs (8/23). Multivariate analysis yielded two histopathological clusters. Cluster 1 (n = 11) showed a more severe and ischaemic pattern than cluster 2 (n = 12) assessed by: total score severity ⩾ 20 (100.0% vs 25.0%); visual analogic score ⩾6 (100.0% vs 25.0%); the vascular domain score >1 (100.0% vs 41.7%); microinfarcts (100% vs 58.3%); ischaemic myofibrillary loss (focal punched-out vacuoles) (90.9 vs 25%); and obvious capillary loss (81.8% vs 16.7). Compared with cluster 2, patients in cluster 1 had strikingly more often anti-NXP2 antibodies (7/11 vs 2/12), more pronounced muscle weakness, more gastrointestinal involvement and required more aggressive treatment. Furthermore, patients with anti-NXP2 antibodies, mostly assigned in the first cluster, also displayed more severe muscular disease, requiring more aggressive treatment and having a lower remission rate during the follow-up period. Conclusion Marked muscle ischaemic involvement and the presence of anti-NXP2 autoantibodies are associated with more severe forms of JDM.
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Affiliation(s)
- Jessie Aouizerate
- Reference Center for Neuromuscular Diseases, FILNEMUS, Paris, France.,INSERM U955-Team 10, Department of Neurosciences, Mondor Biomedical Research Institute, Paris-Est University, Créteil, France.,Department of Pathology, AP-HP, Albert Chenevier-Henri Mondor Hospital, Expert Center of Neuromuscular Pathology, Créteil, France
| | - Marie De Antonio
- Reference Center for Neuromuscular Diseases, FILNEMUS, Paris, France.,Department of Pathology, AP-HP, Albert Chenevier-Henri Mondor Hospital, Expert Center of Neuromuscular Pathology, Créteil, France.,INSERM UMRS1138-Team 22, Centre de Recherche des Cordeliers, Paris Descartes University, UPMC University, Paris, France
| | - Brigitte Bader-Meunier
- Department of Pediatric Immunology-Hematology and Rheumatology, Paris Descartes University, INSERM U 1163, Institut Imagine, Assistance Publique-Hôpitaux de Paris, Necker-Enfants Malades Hospital, Paris, France
| | | | - Christine Bodemer
- Department of Dermatology, Necker-Enfants Malades Hospital, Paris, France
| | - Arnaud Isapof
- Department of Pediatric Neurology, Trousseau Hospital, Paris, France
| | - Pierre Quartier
- Department of Pediatric Immunology-Hematology and Rheumatology, Paris Descartes University, INSERM U 1163, Institut Imagine, Assistance Publique-Hôpitaux de Paris, Necker-Enfants Malades Hospital, Paris, France
| | - Isabelle Melki
- Department of Pediatric Immunology-Hematology and Rheumatology, Paris Descartes University, INSERM U 1163, Institut Imagine, Assistance Publique-Hôpitaux de Paris, Necker-Enfants Malades Hospital, Paris, France.,Department of General Pediatrics, Infectious Diseases and Internal Medicine, Robert Debré Hospital, Paris, France
| | - Jean-Luc Charuel
- Department of Immunology, Pitié-Salpêtrière Hospital, Assistance Publique-Hôpitaux de Paris, France
| | - Guillaume Bassez
- Reference Center for Neuromuscular Diseases, FILNEMUS, Paris, France.,INSERM U955-Team 10, Department of Neurosciences, Mondor Biomedical Research Institute, Paris-Est University, Créteil, France.,Department of Pathology, AP-HP, Albert Chenevier-Henri Mondor Hospital, Expert Center of Neuromuscular Pathology, Créteil, France
| | - Isabelle Desguerre
- Reference Center for Neuromuscular Diseases, FILNEMUS, Paris, France.,INSERM U955-Team 10, Department of Neurosciences, Mondor Biomedical Research Institute, Paris-Est University, Créteil, France
| | - Romain K Gherardi
- Reference Center for Neuromuscular Diseases, FILNEMUS, Paris, France.,INSERM U955-Team 10, Department of Neurosciences, Mondor Biomedical Research Institute, Paris-Est University, Créteil, France.,Department of Pathology, AP-HP, Albert Chenevier-Henri Mondor Hospital, Expert Center of Neuromuscular Pathology, Créteil, France
| | - François-Jérôme Authier
- Reference Center for Neuromuscular Diseases, FILNEMUS, Paris, France.,INSERM U955-Team 10, Department of Neurosciences, Mondor Biomedical Research Institute, Paris-Est University, Créteil, France.,Department of Pathology, AP-HP, Albert Chenevier-Henri Mondor Hospital, Expert Center of Neuromuscular Pathology, Créteil, France
| | - Cyril Gitiaux
- Reference Center for Neuromuscular Diseases, FILNEMUS, Paris, France.,INSERM U955-Team 10, Department of Neurosciences, Mondor Biomedical Research Institute, Paris-Est University, Créteil, France.,Department of Pediatric Neurophysiology, AP-HP, Necker-Enfants Malades Hospital, Université Paris Descartes, Paris, France
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58
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Karasawa R, Tamaki M, Sato T, Tanaka M, Nawa M, Yudoh K, Jarvis JN. Multiple target autoantigens on endothelial cells identified in juvenile dermatomyositis using proteomics. Rheumatology (Oxford) 2018; 57:671-676. [PMID: 29361142 DOI: 10.1093/rheumatology/kex468] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2017] [Indexed: 12/15/2022] Open
Abstract
Objective Although generally classified within the group of inflammatory myopathies, JDM displays many pathological features of vasculitis. Previous work has shown that AECA are abundant in other forms of vasculitis. We therefore investigated whether such antibodies might also be detected in JDM. Methods We screened plasma from children with JDM for the presence of AECA by western blotting and 2D gel electrophoresis (2DE) using proteins extracted from human aortic endothelial cells as the substrate. We performed mass spectrometry to identify candidate antigens from 2DE gels and used ELISA to confirm the presence of specific antibodies. Results We identified 22 candidate target autoantigens for AECA probed with JDM plasma. Interestingly, 17 of these 22 target antigens were proteins associated with antigen processing and protein trafficking. ELISA confirmed the presence of antibodies to heat shock cognate 71 kDa protein in JDM plasma, particularly in children with active, untreated disease. Conclusion Children with JDM express antibodies to autoantigens in endothelial cells. The clinical and pathological significance of such autoantibodies require further investigation.
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Affiliation(s)
- Rie Karasawa
- Department of Frontier Medicine, St Marianna University School of Medicine, Kawasak, Japani
| | - Mayumi Tamaki
- Department of Frontier Medicine, St Marianna University School of Medicine, Kawasak, Japani
| | - Toshiko Sato
- Department of Frontier Medicine, St Marianna University School of Medicine, Kawasak, Japani
| | - Megumi Tanaka
- Department of Frontier Medicine, St Marianna University School of Medicine, Kawasak, Japani
| | - Makiko Nawa
- Institute of Nanken-Kyoten and RCC, Tokyo Medical and Dental University, Tokyo, Japan
| | - Kazuo Yudoh
- Department of Frontier Medicine, St Marianna University School of Medicine, Kawasak, Japani
| | - James N Jarvis
- Department of Pediatrics and Genetics, Genomics, & Bioinformatics Program, Jacobs School of Medicine and Biomedical Sciences University at Buffalo, Buffalo, NY, USA.,Genetics, Genomics, & Bioinformatics Program, Jacobs School of Medicine and Biomedical Sciences University at Buffalo, Buffalo, NY, USA
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59
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Ladislau L, Suárez-Calvet X, Toquet S, Landon-Cardinal O, Amelin D, Depp M, Rodero MP, Hathazi D, Duffy D, Bondet V, Preusse C, Bienvenu B, Rozenberg F, Roos A, Benjamim CF, Gallardo E, Illa I, Mouly V, Stenzel W, Butler-Browne G, Benveniste O, Allenbach Y. JAK inhibitor improves type I interferon induced damage: proof of concept in dermatomyositis. Brain 2018; 141:1609-1621. [DOI: 10.1093/brain/awy105] [Citation(s) in RCA: 125] [Impact Index Per Article: 20.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2017] [Accepted: 02/17/2018] [Indexed: 12/17/2022] Open
Affiliation(s)
- Leandro Ladislau
- Sorbonne Université, INSERM, Association Institut de Myologie, Center of Research in Myology, UMRS 974, AP-HP, Department of Internal Medicine and Clinical Immunology, DHU I2B, Pitié-Salpêtrière Hospital, F-75013, Paris, France
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Xavier Suárez-Calvet
- Sorbonne Université, INSERM, Association Institut de Myologie, Center of Research in Myology, UMRS 974, AP-HP, Department of Internal Medicine and Clinical Immunology, DHU I2B, Pitié-Salpêtrière Hospital, F-75013, Paris, France
- Neuromuscular Diseases Unit, Neurology, Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona and Institut de Recerca Sant Pau, Barcelona, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), Madrid, Spain
| | - Ségolène Toquet
- Sorbonne Université, INSERM, Association Institut de Myologie, Center of Research in Myology, UMRS 974, AP-HP, Department of Internal Medicine and Clinical Immunology, DHU I2B, Pitié-Salpêtrière Hospital, F-75013, Paris, France
| | - Océane Landon-Cardinal
- Sorbonne Université, INSERM, Association Institut de Myologie, Center of Research in Myology, UMRS 974, AP-HP, Department of Internal Medicine and Clinical Immunology, DHU I2B, Pitié-Salpêtrière Hospital, F-75013, Paris, France
| | - Damien Amelin
- Sorbonne Université, INSERM, Association Institut de Myologie, Center of Research in Myology, UMRS 974, AP-HP, Department of Internal Medicine and Clinical Immunology, DHU I2B, Pitié-Salpêtrière Hospital, F-75013, Paris, France
| | - Marine Depp
- Laboratory of Neurogenetics and Neuroinflammation, Institut National de la Santé et de la Recherche Médicale (INSERM) UMR1163 and Université Paris Descartes, Université Sorbonne Paris Cité, Institut Imagine, 75015 Paris, France
| | - Mathieu P Rodero
- Laboratory of Neurogenetics and Neuroinflammation, Institut National de la Santé et de la Recherche Médicale (INSERM) UMR1163 and Université Paris Descartes, Université Sorbonne Paris Cité, Institut Imagine, 75015 Paris, France
| | - Denisa Hathazi
- Leibniz-Institut für Analytische Wissenschaften - ISAS - e.V, Biomedical Research Department, Tissue Omics group, Otto-Hahn-Str. 6b, 44227, Dortmund, Germany
| | - Darragh Duffy
- INSERM UMR 1223 and Laboratory of Dendritic Cell Immunobiology, Institut Pasteur, Paris, France
| | - Vincent Bondet
- INSERM UMR 1223 and Laboratory of Dendritic Cell Immunobiology, Institut Pasteur, Paris, France
| | - Corinna Preusse
- Department of Neuropathology, Charité University, Berlin, Germany
| | - Boris Bienvenu
- Department of Internal Medicine, Saint Joseph Hospital, Marseille, France
| | - Flore Rozenberg
- Departement de Virologie, Hôpital Cochin, Paris Descartes Universités, Paris, France
| | - Andreas Roos
- Leibniz-Institut für Analytische Wissenschaften - ISAS - e.V, Biomedical Research Department, Tissue Omics group, Otto-Hahn-Str. 6b, 44227, Dortmund, Germany
- Institute of Genetic Medicine, John Walton Muscular Dystrophy Research Centre, International Centre for Life, Central Parkway, Newcastle upon Tyne, England, UK
| | - Claudia F Benjamim
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Eduard Gallardo
- Neuromuscular Diseases Unit, Neurology, Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona and Institut de Recerca Sant Pau, Barcelona, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), Madrid, Spain
| | - Isabel Illa
- Neuromuscular Diseases Unit, Neurology, Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona and Institut de Recerca Sant Pau, Barcelona, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), Madrid, Spain
| | - Vincent Mouly
- Sorbonne Université, INSERM, Association Institut de Myologie, Center of Research in Myology, UMRS 974, AP-HP, Department of Internal Medicine and Clinical Immunology, DHU I2B, Pitié-Salpêtrière Hospital, F-75013, Paris, France
| | - Werner Stenzel
- Department of Neuropathology, Charité University, Berlin, Germany
| | - Gillian Butler-Browne
- Sorbonne Université, INSERM, Association Institut de Myologie, Center of Research in Myology, UMRS 974, AP-HP, Department of Internal Medicine and Clinical Immunology, DHU I2B, Pitié-Salpêtrière Hospital, F-75013, Paris, France
| | - Olivier Benveniste
- Sorbonne Université, INSERM, Association Institut de Myologie, Center of Research in Myology, UMRS 974, AP-HP, Department of Internal Medicine and Clinical Immunology, DHU I2B, Pitié-Salpêtrière Hospital, F-75013, Paris, France
| | - Yves Allenbach
- Sorbonne Université, INSERM, Association Institut de Myologie, Center of Research in Myology, UMRS 974, AP-HP, Department of Internal Medicine and Clinical Immunology, DHU I2B, Pitié-Salpêtrière Hospital, F-75013, Paris, France
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Pachman LM, Khojah AM. Advances in Juvenile Dermatomyositis: Myositis Specific Antibodies Aid in Understanding Disease Heterogeneity. J Pediatr 2018; 195:16-27. [PMID: 29576174 PMCID: PMC5881602 DOI: 10.1016/j.jpeds.2017.12.053] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/24/2017] [Revised: 11/27/2017] [Accepted: 12/18/2017] [Indexed: 12/15/2022]
Affiliation(s)
- Lauren M Pachman
- Department of Pediatrics , Northwestern University Feinberg School of Medicine, Chicago, IL; Stanley Manne Children's Research Institute, Cure JM Center of Excellence in Juvenile Myositis (JM) Research, Department of Pediatrics, Ann and Robert H. Lurie Children's Hospital of Chicago, Chicago, IL
| | - Amer M Khojah
- Department of Pediatrics, Division of Pediatric Rheumatology, Ann and Robert H. Lurie Children's Hospital of Chicago, Chicago, IL
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Gitiaux C, Latroche C, Weiss‐Gayet M, Rodero MP, Duffy D, Bader‐Meunier B, Glorion C, Nusbaum P, Bodemer C, Mouchiroud G, Chelly J, Germain S, Desguerre I, Chazaud B. Myogenic Progenitor Cells Exhibit Type I Interferon–Driven Proangiogenic Properties and Molecular Signature During Juvenile Dermatomyositis. Arthritis Rheumatol 2017; 70:134-145. [DOI: 10.1002/art.40328] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2017] [Accepted: 09/15/2017] [Indexed: 12/11/2022]
Affiliation(s)
- Cyril Gitiaux
- Département de Neurophysiologie Clinique Hôpital Necker‐Enfants Malades, AP‐HP, Centre de Référence pour les Maladies Neuromusculaires, Garches‐Necker‐Mondor‐Hendaye, AP‐HP, FILNEMUS, and Institut Cochin, INSERM U1016, CNRS UMR 8104, Université Paris Descartes Paris France
| | - Claire Latroche
- Institut Cochin INSERM U1016, CNRS UMR 8104, Université Paris Descartes Paris France
| | - Michèle Weiss‐Gayet
- Institut NeuroMyoGène Université Claude Bernard Lyon 1, CNRS UMR 5310, INSERM U1217 Villeurbanne France
| | - Mathieu P. Rodero
- Laboratory of Neurogenetics and Neuroinflammation INSERM UMR1163, Institut Imagine Paris France
| | - Darragh Duffy
- Immunobiology of Dendritic Cells INSERM U1223, Institut Pasteur Paris France
| | - Brigitte Bader‐Meunier
- Département de Rhumatologie Pédiatrique Hôpital Necker Enfants Malades, AP‐HP Paris France
| | - Christophe Glorion
- Département de Chirurgie Orthopédique Hôpital Necker Enfants Malades, AP‐HP Paris France
| | - Patrick Nusbaum
- Service de Biochimie et de Génétique Moléculaire Hôpital Cochin, AP‐HP Paris France
| | - Christine Bodemer
- Département de Dermatologie Hôpital Necker Enfants Malades, AP‐HP Paris France
| | - Guy Mouchiroud
- Institut NeuroMyoGène Université Claude Bernard Lyon 1, CNRS UMR 5310, INSERM U1217 Villeurbanne France
| | - Jamel Chelly
- Institut Cochin INSERM U1016, CNRS UMR 8104, Université Paris Descartes Paris France
| | - Stéphane Germain
- Center for Interdisciplinary Research in Biology Collège de France, INSERM, CNRS, PSL Research University Paris France
| | - Isabelle Desguerre
- Centre de Référence pour les Maladies Neuromusculaires, Garches‐Necker‐Mondor‐Hendaye, AP‐HP, FILNEMUS Paris France
| | - Bénédicte Chazaud
- Institut NeuroMyoGène Université Claude Bernard Lyon 1, CNRS UMR 5310, INSERM U1217 Villeurbanne France
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62
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Cerbelli B, Pisano A, Colafrancesco S, Pignataro MG, Biffoni M, Berni S, De Luca A, Riccieri V, Priori R, Valesini G, d'Amati G, Giordano C. Anti-aminoacyl-tRNA synthetase-related myositis and dermatomyositis: clues for differential diagnosis on muscle biopsy. Virchows Arch 2017; 472:477-487. [PMID: 29147923 DOI: 10.1007/s00428-017-2269-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2017] [Revised: 09/19/2017] [Accepted: 11/12/2017] [Indexed: 12/19/2022]
Abstract
Anti-synthetase syndrome is an autoimmune disease characterized by autoantibodies toward amino acyl-tRNA synthetases (ARS), anti-Jo 1 being the most commonly detected. Muscle damage develops in up to 90% of ARS-positive patients, characterized by a necrotizing myositis restricted to the perifascicular region. This topographic distribution of muscle damage may lead to a misdiagnosis of dermatomyositis (DM) at muscle biopsy. We compared morphological, immunohistochemical, and histoenzymatic features of muscle from ARS-positive patients (n = 11) with those of DM (n = 7) providing clues for their differential diagnosis. In addition, we evaluated markers of mitochondrial damage to provide a further distinction between these two entities. Necrosis occurred in the majority of ARS patients, mainly located in the perifascicular region. It was often limited to small foci of fibers, always associated with myocyte regeneration. This last often overwhelmed necrosis, representing occasionally the main finding. In DM, necrosis/regeneration was scarce while the peculiar feature was a diffuse atrophy of perifascicular fibers. These last showed decreased cytochrome c oxidase (COX) stain and mitochondrial DNA depletion, consistent with mitochondrial dysfunction. In contrast to DM, ARS displayed scattered COX-deficient fibers, not restricted to the perifascicular region. This feature occurred in up to 91% of patients, being prominent only in two.
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Affiliation(s)
- Bruna Cerbelli
- Department of Radiological, Oncological and Pathological Sciences, Sapienza University of Rome, Policlinico Umberto I, Viale Regina Elena 324, 00161, Rome, Italy
| | - Annalinda Pisano
- Department of Radiological, Oncological and Pathological Sciences, Sapienza University of Rome, Policlinico Umberto I, Viale Regina Elena 324, 00161, Rome, Italy
| | - Serena Colafrancesco
- Department of Internal Medicine and Medical Specialties, Rheumatology Unit, Sapienza University of Rome, 00161, Rome, Italy
| | - Maria Gemma Pignataro
- Department of Radiological, Oncological and Pathological Sciences, Sapienza University of Rome, Policlinico Umberto I, Viale Regina Elena 324, 00161, Rome, Italy
| | - Marco Biffoni
- Department of Surgical Science, Sapienza University of Rome, 00161, Rome, Italy
| | - Silvia Berni
- Department of Radiological, Oncological and Pathological Sciences, Sapienza University of Rome, Policlinico Umberto I, Viale Regina Elena 324, 00161, Rome, Italy
| | - Antonia De Luca
- Department of Radiological, Oncological and Pathological Sciences, Sapienza University of Rome, Policlinico Umberto I, Viale Regina Elena 324, 00161, Rome, Italy
| | - Valeria Riccieri
- Department of Internal Medicine and Medical Specialties, Rheumatology Unit, Sapienza University of Rome, 00161, Rome, Italy
| | - Roberta Priori
- Department of Internal Medicine and Medical Specialties, Rheumatology Unit, Sapienza University of Rome, 00161, Rome, Italy
| | - Guido Valesini
- Department of Internal Medicine and Medical Specialties, Rheumatology Unit, Sapienza University of Rome, 00161, Rome, Italy
| | - Giulia d'Amati
- Department of Radiological, Oncological and Pathological Sciences, Sapienza University of Rome, Policlinico Umberto I, Viale Regina Elena 324, 00161, Rome, Italy
| | - Carla Giordano
- Department of Radiological, Oncological and Pathological Sciences, Sapienza University of Rome, Policlinico Umberto I, Viale Regina Elena 324, 00161, Rome, Italy.
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63
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De Luna N, Suárez-Calvet X, Lleixà C, Diaz-Manera J, Olivé M, Illa I, Gallardo E. Hypoxia triggers IFN-I production in muscle: Implications in dermatomyositis. Sci Rep 2017; 7:8595. [PMID: 28819164 PMCID: PMC5561123 DOI: 10.1038/s41598-017-09309-8] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2017] [Accepted: 07/25/2017] [Indexed: 12/21/2022] Open
Abstract
Dermatomyositis is an inflammatory myopathy characterized by symmetrical proximal muscle weakness and skin changes. Muscle biopsy hallmarks include perifascicular atrophy, loss of intramuscular capillaries, perivascular and perimysial inflammation and the overexpression of IFN-inducible genes. Among them, the retinoic-acid inducible gene 1 (RIG-I) is specifically overexpressed in perifascicular areas of dermatomyositis muscle. The aim of this work was to study if RIG-I expression may be modulated by hypoxia using an in vitro approach. We identified putative hypoxia response elements (HRE) in RIG-I regulatory regions and luciferase assays confirmed that RIG-I is a new HIF-inducible gene. We observed an increase expression of RIG-I both by Real time PCR and Western blot in hypoxic conditions in human muscle cells. Cell transfection with a constitutive RIG-I expression vector increased levels of phospho-IRF-3, indicating that RIG-I promotes binding of transcription factors to the enhancer sequence of IFN. Moreover, release of IFN-β was observed in hypoxic conditions. Finally, HIF-1α overexpression was confirmed in the muscle biopsies and in some RIG-I positive perifascicular muscle fibres but not in controls. Our results indicate that hypoxia triggers the production of IFN-I in vitro, and may contribute to the pathogenesis of DM together with other inflammatory factors.
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Affiliation(s)
- Noemí De Luna
- Neuromuscular Diseases Unit, Neurology Department, Hospital de la Santa Creu I Sant Pau, Universitat Autònoma de Barcelona, Institut de Recerca Sant Pau, (Barcelona) and Biomedical Network Research Centre on Rare Diseases (CIBERER), Sant Pau, Spain
| | - Xavier Suárez-Calvet
- Neuromuscular Diseases Unit, Neurology Department, Hospital de la Santa Creu I Sant Pau, Universitat Autònoma de Barcelona, Institut de Recerca Sant Pau, (Barcelona) and Biomedical Network Research Centre on Rare Diseases (CIBERER), Sant Pau, Spain
| | - Cinta Lleixà
- Neuromuscular Diseases Unit, Neurology Department, Hospital de la Santa Creu I Sant Pau, Universitat Autònoma de Barcelona, Institut de Recerca Sant Pau, (Barcelona) and Biomedical Network Research Centre on Rare Diseases (CIBERER), Sant Pau, Spain
| | - Jordi Diaz-Manera
- Neuromuscular Diseases Unit, Neurology Department, Hospital de la Santa Creu I Sant Pau, Universitat Autònoma de Barcelona, Institut de Recerca Sant Pau, (Barcelona) and Biomedical Network Research Centre on Rare Diseases (CIBERER), Sant Pau, Spain
| | - Montse Olivé
- Department of Pathology and Neuromuscular Unit, IDIBELL-Hospital Universitari de Bellvitge, Barcelona, Spain
- Centro de Investigación Biomédica en Red en Enfermedades Neurodegenerativas (CIBERNED), Barcelona, Spain
| | - Isabel Illa
- Neuromuscular Diseases Unit, Neurology Department, Hospital de la Santa Creu I Sant Pau, Universitat Autònoma de Barcelona, Institut de Recerca Sant Pau, (Barcelona) and Biomedical Network Research Centre on Rare Diseases (CIBERER), Sant Pau, Spain.
| | - Eduard Gallardo
- Neuromuscular Diseases Unit, Neurology Department, Hospital de la Santa Creu I Sant Pau, Universitat Autònoma de Barcelona, Institut de Recerca Sant Pau, (Barcelona) and Biomedical Network Research Centre on Rare Diseases (CIBERER), Sant Pau, Spain.
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64
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Milone M. Diagnosis and Management of Immune-Mediated Myopathies. Mayo Clin Proc 2017; 92:826-837. [PMID: 28473041 DOI: 10.1016/j.mayocp.2016.12.025] [Citation(s) in RCA: 50] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/06/2016] [Revised: 12/17/2016] [Accepted: 12/28/2016] [Indexed: 01/02/2023]
Abstract
Immune-mediated myopathies (IMMs) are a heterogeneous group of acquired muscle disorders characterized by muscle weakness, elevated creatine kinase levels, and myopathic electromyographic findings. Most IMMs feature the presence of inflammatory infiltrates in muscle. However, the inflammatory exudate may be absent. Indeed, necrotizing autoimmune myopathy (NAM), also called immune-mediated necrotizing myopathy, is characterized by a necrotizing pathologic process with no or minimal inflammation in muscle. The recent discovery of antibodies associated with specific subtypes of autoimmune myopathies has played a major role in characterizing these diseases. Although diagnostic criteria and classification of IMMs currently are under revision, on the basis of the clinical and muscle histopathologic findings, IMMs can be differentiated as NAM, inclusion body myositis (IBM), dermatomyositis, polymyositis, and nonspecific myositis. Because of recent developments in the field of NAM and IBM and the controversies around polymyositis, this review will focus on NAM, IBM, and dermatomyositis.
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Affiliation(s)
- Margherita Milone
- Neuromuscular Medicine Division, Department of Neurology, Mayo Clinic, Rochester, MN.
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65
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De Paepe B. Vascular changes and perifascicular muscle fiber damage in dermatomyositis: another question of the chicken or the egg that is on our mind. ANNALS OF TRANSLATIONAL MEDICINE 2017; 5:22. [PMID: 28164107 DOI: 10.21037/atm.2016.12.68] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Boel De Paepe
- Neuromuscular Reference Center & Neurology Department, Ghent University Hospital, Ghent, Belgium
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66
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De Paepe B. A recipe for myositis: nuclear factor κB and nuclear factor of activated T-cells transcription factor pathways spiced up by cytokines. AIMS ALLERGY AND IMMUNOLOGY 2017. [DOI: 10.3934/allergy.2017.1.31] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
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67
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Pathology of muscular steatosis in the bovine species: report of two spontaneously arising cases and comparative overview of the condition. ACTA ACUST UNITED AC 2016. [DOI: 10.1007/s00580-016-2376-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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