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Yang X, Cui X, Yang X, Ren B, Cheng X, Zhao X, Liu S, Tian T, Zhao H, Qu L, Li X. Liver Involvement is Associated with Higher Risk of Rapidly Progressive Interstitial Lung Disease and Mortality in Anti-Melanoma Differentiation-Associated Gene 5 Antibody- Positive Dermatomyositis. J Inflamm Res 2024; 17:3101-3113. [PMID: 38774443 PMCID: PMC11108061 DOI: 10.2147/jir.s462721] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2024] [Accepted: 05/07/2024] [Indexed: 05/24/2024] Open
Abstract
Purpose This study aimed to assess liver involvement and investigate its correlation with rapidly progressive interstitial lung disease (RP-ILD) and mortality in anti-melanoma differentiation-associated gene 5 antibody-positive (anti-MDA5 positive) DM patients. Patients and Methods This retrospective study included 159 patients diagnosed with anti-MDA5 positive DM or anti-synthetase syndrome (ASyS). Clinical features and laboratory findings were compared between patients with anti-MDA5 positive DM and patients with ASyS. In the anti-MDA5 positive DM cohort, clinical features and laboratory findings between patients with liver involvement and without liver involvement were further compared. The effects of liver involvement on the overall survival (OS) and development of RP-ILD were also analyzed using Kaplan-Meier method and Cox regression analysis. Results Levels of serum aspartate aminotransferase (AST), alanine transaminase (ALT), γ-glutamyl transferase (γGT) and alkaline phosphatase (ALP) were all significantly higher in patients with anti-MDA5 positive DM than those in patients with ASyS. In our cohort of anti-MDA5 positive DM patents, 31 patients (34.4%) were complicated with liver involvement. Survival analysis revealed that serum ferritin >1030.0 ng/mL (p<0.001), ALT >103.0 U/l (p<0.001), AST >49.0 U/l (p<0.001), γGT >82.0 U/l (p<0.001), ALP >133.0 U/l (p<0.001), lactate dehydrogenase (LDH)>474.0 U/l (p<0.001), plasma albumin (ALB) <35.7 g/l (p<0.001) and direct bilirubin (DBIL) >2.80 μmol/l (p=0.002) predicted poor prognosis. The incidence of RP-ILD increased remarkably in patients with liver involvement compared to patients without liver involvement (58.1% vs 22.0%, p=0.001). Multivariate analysis revealed that elevated serum ALT level was an independent risk factor for mortality (HR 6.0, 95% CI 2.3, 16.2, p<0.001) and RP-ILD (HR 5.9, 95% CI 2.2, 15.9, p<0.001) in anti-MDA5 positive DM patents. Conclusion Liver involvement is common in patients with anti-MDA5 positive DM. Elevated serum ALT level was an independent risk factor for RP-ILD and mortality in patients with anti-MDA5 positive DM.
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Affiliation(s)
- Xin Yang
- Department of Rheumatology, Xi’an Jiaotong University Second Affiliated Hospital, Xi’an, People’s Republic of China
| | - Xiaoguang Cui
- Department of Rheumatology, Xi’an Jiaotong University Second Affiliated Hospital, Xi’an, People’s Republic of China
| | - Xiao Yang
- Scientific Research Center and Precision Medical Institute, Xi’an Jiaotong University Second Affiliated Hospital, Xi’an, People’s Republic of China
| | - Bincheng Ren
- Department of Rheumatology, Xi’an Jiaotong University Second Affiliated Hospital, Xi’an, People’s Republic of China
| | - Xiaojing Cheng
- Department of Rheumatology, Xi’an Jiaotong University Second Affiliated Hospital, Xi’an, People’s Republic of China
| | - Xinrui Zhao
- Department of Rheumatology, Xi’an Jiaotong University Second Affiliated Hospital, Xi’an, People’s Republic of China
| | - Shanshan Liu
- Department of Rheumatology, Xi’an Jiaotong University Second Affiliated Hospital, Xi’an, People’s Republic of China
| | - Tian Tian
- Department of Rheumatology, Xi’an Jiaotong University Second Affiliated Hospital, Xi’an, People’s Republic of China
| | - Hui Zhao
- Department of Rheumatology, Xi’an Jiaotong University Second Affiliated Hospital, Xi’an, People’s Republic of China
| | - Li Qu
- Department of Rheumatology, Xi’an Jiaotong University Second Affiliated Hospital, Xi’an, People’s Republic of China
| | - Xueyi Li
- Department of Rheumatology, Xi’an Jiaotong University Second Affiliated Hospital, Xi’an, People’s Republic of China
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Ye Y, Wang CE, Zhong R, Xiong XM. Associations of the circulating levels of cytokines with risk of ankylosing spondylitis: a Mendelian randomization study. Front Immunol 2023; 14:1291206. [PMID: 38173728 PMCID: PMC10761470 DOI: 10.3389/fimmu.2023.1291206] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Accepted: 12/08/2023] [Indexed: 01/05/2024] Open
Abstract
Background Observational studies have shown that changes in circulating cytokine/growth factor levels occur throughout the initiation and progression of ankylosing spondylitis (AS), yet whether they are etiologic or downstream effects remains unclear. In this study, we performed a summarized-level bidirectional Mendelian randomization (MR) analysis to shed light on the causal relationship between the two. Methods Genetic instrumental-variables (IVs) associated with circulating cytokine/growth factor levels were derived from a genome-wide association study (GWAS) of 8,293 European individuals, whereas summary data for the AS were obtained from a FinnGen GWAS of 166,144 participants. We used the inverse-variance-weighted (IVW) method as the main analysis for causal inference. Furthermore, several sensitivity analyses (MR-Egger, weighted median, MR-PRESSO and Cochran's Q test) were utilized to examine the robustness of the results. Finally, reverse MR analysis was performed to assess reverse causality between AS and circulating cytokine/growth factor levels. Results After Bonferroni correction, circulating levels of Cutaneous T-cell attracting (CTACK) and Monocyte specific chemokine 3 (MCP-3) were positively associated with a higher risk of AS (odds ratio [OR]: 1.224, 95% confidence interval [95% Cl]: 1.022 ~ 1.468, P = 0.028; OR: 1.250, 95% Cl: 1.016 ~ 1.539, P = 0.035). In addition, elevated circulating levels of Basic fibroblast growth factor (FGF-basic), Granulocyte colony-stimulating factor (G-CSF) and MCP-3 was considered a consequence of AS disease (β = 0.023, P = 0.017; β = 0.017, P = 0.025; β = 0.053, P = 0.025). The results of the sensitivity analysis were generally consistent. Conclusion The present study supplies genetic evidence for the relationship between circulating cytokine levels and AS. Targeted interventions of specific cytokines may help to reduce the risk of AS initiation and progression.
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Affiliation(s)
| | | | | | - Xiao-ming Xiong
- Department of Spinal Surgery, Affiliated Sports Hospital of Chengdu Sport University, Chengdu, Sichuan, China
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De Paepe B, Bracke KR, De Bleecker JL. Retrospective Study Shows That Serum Levels of Chemokine CXCL10 and Cytokine GDF15 Support a Diagnosis of Sporadic Inclusion Body Myositis and Immune-Mediated Necrotizing Myopathy. Brain Sci 2023; 13:1369. [PMID: 37891738 PMCID: PMC10605230 DOI: 10.3390/brainsci13101369] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Revised: 09/18/2023] [Accepted: 09/20/2023] [Indexed: 10/29/2023] Open
Abstract
The implementation of novel blood-based biomarkers is desired to reduce the diagnostic delay and burden for myositis patients. In this retrospective study, the potential of C-X-C motif chemokine ligand 10 (CXCL10) and growth differentiation factor 15 (GDF15) was explored in an established patient cohort diagnosed with immune-mediated necrotizing myopathy (IMNM; n = 21), sporadic inclusion body myositis (IBM; n = 18), overlap myositis (OM; n = 3), dermatomyositis (DM; n = 2), and anti-synthetase syndrome (ASS; n = 1), comparing these results with healthy controls (n = 10) and patients with a hereditary neuromuscular disorder (n = 14). CXCL10 and GDF15 were quantified in sera with enzyme-linked immunosorbent assays and immunolocalized in skeletal muscle tissue. In myositis patients, serum CXCL10 levels were significantly increased 9.6-fold compared to healthy controls and 4.2-fold compared to disease controls. Mean levels of CXCL10 were 929 ± 658 pg/mL of serum in IBM and 425 ± 324 pg/mL of serum in IMNM. With the threshold set to 180 pg/mL of CXCL10, myositis patients could be differentiated from healthy and disease controls with a sensitivity of 0.80 and a specificity of 0.71. Incorporating a threshold of 300 pg/mL for GDF15 reduced false negatives to two IMNM patients only. Subsets of muscle-infiltrating immune cells expressed CXCL10, and serum levels correlated with muscle inflammation grade. We propose adding circulating CXCL10 and GDF15 to the blood-based diagnostic toolkit for myositis as a valuable patient-friendly approach.
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Affiliation(s)
- Boel De Paepe
- Department of Neurology, Ghent University Hospital, B-9000 Ghent, Belgium;
- Neuromuscular Reference Center, Ghent University Hospital, B-9000 Ghent, Belgium
| | - Ken R. Bracke
- Department of Respiratory Medicine, Ghent University Hospital, B-9000 Ghent, Belgium;
| | - Jan L. De Bleecker
- Department of Neurology, Ghent University Hospital, B-9000 Ghent, Belgium;
- Neuromuscular Reference Center, Ghent University Hospital, B-9000 Ghent, Belgium
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Chen Z, Laurentius T, Fait Y, Müller A, Mückter E, Bollheimer LC, Nourbakhsh M. Associations of Serum CXCL12α and CK Levels with Skeletal Muscle Mass in Older Adults. J Clin Med 2023; 12:jcm12113800. [PMID: 37297995 DOI: 10.3390/jcm12113800] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Revised: 05/24/2023] [Accepted: 05/30/2023] [Indexed: 06/12/2023] Open
Abstract
Sarcopenia, a condition characterized by gradual loss of skeletal muscle mass and function, is a complex diagnosis; the decisive criterion in this diagnosis is the measurement of appendicular skeletal muscle index (ASMI). To identify potential serum markers predictive of sarcopenia in older adults, we evaluated correlations between ASMI, clinical data, and 34 serum inflammation markers in 80 older adults. Pearson's correlation analyses confirmed that ASMI was positively correlated with nutritional status (p = 0.001) and serum creatine kinase (CK) (p = 0.019) but negatively correlated with serum CXCL12α (p = 0.023), a chemoattractant for muscle stem cells. In the case group, ASMI was negatively correlated with serum interleukin (IL)-7 (p = 0.024), a myokine expressed and secreted from skeletal muscle cells in vitro. Multivariate binary logistic regression analyses identified four risk factors for sarcopenia in our study: advanced age (p = 0.012), malnutrition (p = 0.038), low serum CK levels (p = 0.044), and high serum CXCL12α levels (p = 0.029). Low CK and high CXCL12α levels serve as combinatorial serum markers of sarcopenia in older adults. The linear correlation between ASMI and CXCL12α levels may facilitate the development of new regression models for future studies on sarcopenia.
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Affiliation(s)
- Ze Chen
- Department of Geriatric Medicine, RWTH Aachen University Hospital, 52074 Aachen, Germany
| | - Thea Laurentius
- Department of Geriatric Medicine, RWTH Aachen University Hospital, 52074 Aachen, Germany
| | - Yvonne Fait
- Department of Geriatric Medicine, RWTH Aachen University Hospital, 52074 Aachen, Germany
| | - Aline Müller
- Department of Geriatric Medicine, RWTH Aachen University Hospital, 52074 Aachen, Germany
| | - Eva Mückter
- Department of Geriatric Medicine, RWTH Aachen University Hospital, 52074 Aachen, Germany
| | | | - Mahtab Nourbakhsh
- Department of Geriatric Medicine, RWTH Aachen University Hospital, 52074 Aachen, Germany
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De Paepe B. Incorporating circulating cytokines into the idiopathic inflammatory myopathy subclassification toolkit. Front Med (Lausanne) 2023; 10:1130614. [PMID: 37007787 PMCID: PMC10061103 DOI: 10.3389/fmed.2023.1130614] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Accepted: 03/03/2023] [Indexed: 03/18/2023] Open
Abstract
Extensive diagnostic delays and deferred treatment impact the quality of life of patients suffering from an idiopathic inflammatory myopathy. In-depth subtyping of patients is a necessary effort to engage appropriate disease management and may require specialized and elaborate evaluation of the complex spectrum of clinical and pathological disease features. Blood samples are routinely taken for diagnostic purposes, with creatine kinase measurement and autoantibody typing representing standard diagnostic tools in the clinical setting. However, for many patients the diagnostic odyssey includes the invasive and time-consuming procedure of taking a muscle biopsy. It is proposed that further implementation of blood-based disease biomarkers represents a convenient alternative approach with the potential to reduce the need for diagnostic muscle biopsies substantially. Quantification of judicious combinations of circulating cytokines could be added to the diagnostic flowchart, and growth differentiation factor 15 and C-X-C motif chemokine ligand 10 come forward as particularly good candidates. These biomarkers can offer complementary information for diagnosis indicative of disease severity, therapeutic response and prognosis.
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Wang Y, Zheng Y, Zhao Y, Liu Y, Zhang W, Yu M, Xie Z, Hao H, Gao F, Zhang W, Wang Z, Yuan Y. Comparison of cytokine/chemokine profiles between dermatomyositis and anti-synthetase syndrome. Front Neurol 2022; 13:1042580. [PMID: 36570445 PMCID: PMC9772994 DOI: 10.3389/fneur.2022.1042580] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Accepted: 11/14/2022] [Indexed: 12/13/2022] Open
Abstract
Objectives Dermatomyositis (DM) and anti-synthetase syndrome (ASS) are autoimmune diseases with multisystem involvement. Despite sharing some clinical and myopathological features, these are two diseases with different pathogeneses and prognoses. We aimed to clarify and compare cytokine/chemokine profiles in both disorders, which may help in the differential diagnosis. Materials and methods We collected clinical data and serum samples of consecutive patients with DM and ASS. Quantibody® Human Inflammation Array 3 for cytokines/chemokines was performed in the serum of all participants. Receiver operating characteristic analysis with the area under the curve and Youden's index were performed. Results Eight newly diagnosed and treatment-naïve patients with DM, nine newly diagnosed and treatment-naïve patients with ASS, and 14 healthy controls were enrolled. Serum C-C motif chemokine ligand (CCL) 2, CCL4, C-X-C motif chemokine ligand (CXCL) 13, and tumor necrosis factor receptor 2 (TNFR2) were increased in patients with both DM and ASS. Serum interleukin (IL)-1 receptor type 1 (IL-1ra), IL-1b, CCL1, CXCL11, and CCL3 were modulated in patients with DM only, and IL-8, CXCL9, and tissue inhibitors of metalloproteinases-1 (TIMP-1) in patients with ASS only. Serum CCL2, CXCL13, and TNFR2 accurately distinguished patients with DM and ASS from healthy controls, as shown by the area under the curve >0.80. Moreover, receiver operating characteristic analysis showed that, as biomarkers for discrimination between DM and ASS, the combination of IL-1ra and TIMP-1, had an area under the curve of 0.944, a sensitivity of 87.5%, and a specificity of 88.9%. Conclusion Our study demonstrated that serum levels of cytokines/chemokines showed a different pattern in newly diagnosed patients with DM and ASS, in which serum IL-1ra and TIMP-1 could be used to distinguish between the two diseases.
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Affiliation(s)
- Yikang Wang
- Department of Neurology, Peking University First Hospital, Beijing, China
| | - Yiming Zheng
- Department of Neurology, Peking University First Hospital, Beijing, China
| | - Yawen Zhao
- Department of Neurology, Peking University First Hospital, Beijing, China
| | - Yilin Liu
- Department of Neurology, Peking University First Hospital, Beijing, China
| | - Wenhao Zhang
- Department of Neurology, Peking University First Hospital, Beijing, China
| | - Meng Yu
- Department of Neurology, Peking University First Hospital, Beijing, China
| | - Zhiying Xie
- Department of Neurology, Peking University First Hospital, Beijing, China
| | - Hongjun Hao
- Department of Neurology, Peking University First Hospital, Beijing, China
| | - Feng Gao
- Department of Neurology, Peking University First Hospital, Beijing, China
| | - Wei Zhang
- Department of Neurology, Peking University First Hospital, Beijing, China,Beijing Key Laboratory of Neurovascular Disease Discovery, Beijing, China
| | - Zhaoxia Wang
- Department of Neurology, Peking University First Hospital, Beijing, China,Beijing Key Laboratory of Neurovascular Disease Discovery, Beijing, China
| | - Yun Yuan
- Department of Neurology, Peking University First Hospital, Beijing, China,Beijing Key Laboratory of Neurovascular Disease Discovery, Beijing, China,*Correspondence: Yun Yuan
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