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Lan Y, Ji Y, Peng X, Duan W, Geng M, Ai J, Zhang H. Discovery and optimization of 3-(indolin-5-yloxy)pyridin-2-amine derivatives as potent necroptosis inhibitors. Arch Pharm (Weinheim) 2024:e2400302. [PMID: 38955770 DOI: 10.1002/ardp.202400302] [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: 04/23/2024] [Revised: 06/07/2024] [Accepted: 06/17/2024] [Indexed: 07/04/2024]
Abstract
Necroptosis is a form of regulated necrotic cell death and has been confirmed to play pivotal roles in the pathogenesis of multiple autoimmune diseases such as rheumatoid arthritis (RA) and psoriasis. The development of necroptosis inhibitors may offer a promising therapeutic strategy for the treatment of these autoimmune diseases. Herein, starting from the in-house hit compound 1, we systematically performed structural optimization to discover potent necroptosis inhibitors with good pharmacokinetic profiles. The resulting compound 33 was a potent necroptosis inhibitor for both human I2.1 cells (IC50 < 0.2 nM) and murine Hepa1-6 cells (IC50 < 5 nM). Further target identification revealed that compound 33 was an inhibitor of receptor interacting protein kinase 1 (RIPK1) with favorable selectivity. In addition, compound 33 also exhibited favorable pharmacokinetic profiles (T1/2 = 1.32 h, AUC = 1157 ng·h/mL) in Sprague-Dawley rats. Molecular docking and molecular dynamics simulations confirmed that compound 33 could bind to RIPK1 with high affinity. In silico ADMET analysis demonstrated that compound 33 possesses good drug-likeness profiles. Collectively, compound 33 is a promising candidate for antinecroptotic drug discovery.
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Affiliation(s)
- Yaohan Lan
- Small-Molecule Drug Research Center, Shanghai Institute of Materia Medica (SIMM), Chinese Academy of Sciences, Shanghai, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Yinchun Ji
- Cancer Research Center, Shanghai Institute of Materia Medica (SIMM), Chinese Academy of Sciences, Shanghai, China
| | - Xia Peng
- Cancer Research Center, Shanghai Institute of Materia Medica (SIMM), Chinese Academy of Sciences, Shanghai, China
| | - Wenhu Duan
- Small-Molecule Drug Research Center, Shanghai Institute of Materia Medica (SIMM), Chinese Academy of Sciences, Shanghai, China
- University of Chinese Academy of Sciences, Beijing, China
- Shandong Laboratory of Yantai Drug Discovery, Bohai Rim Advanced Research Institute for Drug Discovery, Yantai, China
| | - Meiyu Geng
- University of Chinese Academy of Sciences, Beijing, China
- Cancer Research Center, Shanghai Institute of Materia Medica (SIMM), Chinese Academy of Sciences, Shanghai, China
- Shandong Laboratory of Yantai Drug Discovery, Bohai Rim Advanced Research Institute for Drug Discovery, Yantai, China
| | - Jing Ai
- University of Chinese Academy of Sciences, Beijing, China
- Cancer Research Center, Shanghai Institute of Materia Medica (SIMM), Chinese Academy of Sciences, Shanghai, China
| | - Hefeng Zhang
- Small-Molecule Drug Research Center, Shanghai Institute of Materia Medica (SIMM), Chinese Academy of Sciences, Shanghai, China
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2
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Wang M, Zhou J, Niu Q, Wang H. Mechanism of tacrolimus in the treatment of lupus nephritis. Front Pharmacol 2024; 15:1331800. [PMID: 38774214 PMCID: PMC11106426 DOI: 10.3389/fphar.2024.1331800] [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: 11/01/2023] [Accepted: 04/19/2024] [Indexed: 05/24/2024] Open
Abstract
Systemic lupus erythematosus (SLE) is a complex autoimmune disorder, with more than half of the patients developing lupus nephritis (LN), which significantly contributes to chronic kidney disease (CKD) and end-stage renal disease (ESRD). The treatment of lupus nephritis has always been challenging. Tacrolimus (TAC), an effective immunosuppressant, has been increasingly used in the treatment of LN in recent years. This review aims to explore the mechanisms of action of tacrolimus in treating LN. Firstly, we briefly introduce the pharmacological properties of tacrolimus, including its role as a calcineurin (CaN) inhibitor, exerting immunosuppressive effects by inhibiting T cell activation and cytokine production. Subsequently, we focus on various other immunomodulatory mechanisms of tacrolimus in LN therapy, including its effects on T cells, B cells, and immune cells in kidney. Particularly, we emphasize tacrolimus' regulatory effect on inflammatory mediators and its importance in modulating the Th1/Th2 and Th17/Treg balance. Additionally, we review its effects on actin cytoskeleton, angiotensin II (Ang II)-specific vascular contraction, and P-glycoprotein activity, summarizing its impacts on non-immune mechanisms. Finally, we summarize the efficacy and safety of tacrolimus in clinical studies and trials. Although some studies have shown significant efficacy of tacrolimus in treating LN, its safety remains a challenge. We outline the potential adverse reactions of long-term tacrolimus use and provide suggestions on effectively monitoring and managing these adverse reactions in clinical practice. In general, tacrolimus, as a novel immunosuppressant, holds promising prospects for treating LN. Of course, further research is needed to better understand its therapeutic mechanisms and ensure its safety and efficacy in clinical practice.
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Affiliation(s)
| | | | | | - Hongyue Wang
- Department of Nephrology, The First Hospital of Jilin University, Changchun, China
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3
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Bao L, Ye Y, Zhang X, Xu X, Wang W, Jiang B. Identification and verification of a PANoptosis-related long noncoding ribonucleic acid signature for predicting the clinical outcomes and immune landscape in lung adenocarcinoma. Heliyon 2024; 10:e29869. [PMID: 38681588 PMCID: PMC11053219 DOI: 10.1016/j.heliyon.2024.e29869] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Revised: 03/01/2024] [Accepted: 04/16/2024] [Indexed: 05/01/2024] Open
Abstract
PANoptosis is a type of programmed cell death (PCD) characterised by apoptosis, necroptosis and pyroptosis. Long non-coding ribonucleic acids (lncRNAs) are participating in the malignant behaviour of tumours regulated by PCD. Nevertheless, the function of PANoptosis-associated lncRNAs in lung adenocarcinoma remains to be investigated. In this work, a PANoptosis-related lncRNA signature (PRLSig) was developed based on the least absolute shrinkage and selection operator algorithm. The stability and fitness of PRLSig were confirmed by systematic evaluation of Kaplan-Meier, Cox analysis algorithm, receiver operating characteristic analysis, stratification analysis. In addition, ESTIMATE, single sample gene set enrichment analysis, immune checkpoints and the cancer immunome database confirmed the predictive value of the PRLSig in immune microenvironment and helped to identify populations for which immunotherapy is advantageous. The present research provides novel insights to facilitate risk stratification and optimise personalised treatment for LUAD.
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Affiliation(s)
- Lingling Bao
- Department of Hematology and Oncology, Beilun District People's Hospital, Ningbo, China
| | - Yingquan Ye
- The First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Xuede Zhang
- Department of Oncology, Weifang People's Hospital, Weifang, China
| | - Xin Xu
- Department of Hematology and Oncology, Beilun District People's Hospital, Ningbo, China
| | - Wenjuan Wang
- Department of Hematology and Oncology, Beilun District People's Hospital, Ningbo, China
| | - Bitao Jiang
- Department of Hematology and Oncology, Beilun District People's Hospital, Ningbo, China
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4
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Wu X, Yang J, Wu J, Yang X. Therapeutic potential of MCC950, a specific inhibitor of NLRP3 inflammasome in systemic lupus erythematosus. Biomed Pharmacother 2024; 172:116261. [PMID: 38340397 DOI: 10.1016/j.biopha.2024.116261] [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: 12/10/2023] [Revised: 02/03/2024] [Accepted: 02/06/2024] [Indexed: 02/12/2024] Open
Abstract
Systemic lupus erythematosus (SLE) is a complex autoimmune disorder with a pathogenesis that remains incompletely understood, resulting in limited treatment options. MCC950, a highly specific NLRP3 inflammasome inhibitor, effectively suppresses the activation of NLRP3, thus reducing the production of caspase-1, the pro-inflammatory cytokines IL-1β and IL-18. This review highlights the pivotal role of NLRP3 inflammasome activation pathways in the pathogenesis of SLE and discusses the potential therapeutic application of MCC950 in SLE. Notably, it comprehensively elucidates the mechanism of MCC950 targeting the NLRP3 pathway in SLE treatment, outlining its potential role in regulating autophagy and necroptosis. The insights gained contribute to a deeper understanding of the value of MCC950 in SLE therapy, serving as a robust foundation for further research and potential clinical applications.
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Affiliation(s)
- Xiaoxiao Wu
- Department of Rheumatology, The Second Affiliated Hospital of Zhejiang University School of Medicine, 88 Jiefang Road, Hangzhou 310009, China
| | - Junhao Yang
- Department of Surgical Oncology and General Surgery, The First Hospital of China Medical University, 155North Nanjing Street, Heping District, Shenyang 110001, China
| | - Juanjie Wu
- Department of Rheumatology, The Second Affiliated Hospital of Zhejiang University School of Medicine, 88 Jiefang Road, Hangzhou 310009, China
| | - Xuyan Yang
- Department of Rheumatology, The Second Affiliated Hospital of Zhejiang University School of Medicine, 88 Jiefang Road, Hangzhou 310009, China.
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Yue C, Lian W, Duan M, Xia D, Cao X, Peng J. The predictive efficacy of programmed cell death in immunotherapy of melanoma: A comprehensive analysis of gene expression data for programmed cell death biomarker and therapeutic target discovery. ENVIRONMENTAL TOXICOLOGY 2024; 39:1858-1873. [PMID: 38140739 DOI: 10.1002/tox.24051] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 11/03/2023] [Accepted: 11/09/2023] [Indexed: 12/24/2023]
Abstract
In this study, genes linked to prognosis in skin cutaneous melanoma (SKCM) involved in programmed cell death (PCD) were identified and confirmed and prognostic models based on these genes were constructed. Acquisition and analysis of clinical data and RNA sequencing information from The Cancer Genome Atlas-SKCM (TCGA-SKCM) and Sangerbox databases, gene expression data for 477 tumor samples and 2 normal samples were successfully gathered. The patients were separated into two clusters based on consensus clustering of PCD-related genes, with Cluster A having greater tumor purity, ESTIMATE score, immune score, and matrix score, and Cluster B having a significantly distinct pattern of immune cell infiltration. The use of gene set enrichment analysis and weighted correlation network analysis showed significant associations between certain genes and factors such as tumor mutation burden, age, stage, grade, and tumor subtype. Finally, based on the 12 genes selected by Least Absolute Shrinkage and Selection Operator regression analysis (STAT3, IRF2, SLC7A11, ZEB1, LIPT1, PML, GCH1, GYS1, ABCC1, XBP1, TFAP2C, NOX4), a prognostic model of PGD-related genes was constructed. The effectiveness of the model's prognostic value was confirmed through survival analysis, time-dependent receiver operating characteristic curve, single-factor Cox regression analysis, and nomogram. We also verified the relationship between the GCH1 and MKI67 expression by wet experiment. This model has high prediction accuracy in SKCM patients and can provide a reference for clinical treatment.
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Affiliation(s)
- Chao Yue
- Department of Dermatologic Surgery, Hangzhou Third People's Hospital, Zhejiang, China
| | - Wenqin Lian
- Department of Burns and Plastic & Wound Repair Surgery, Xiang'an Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen, China
| | - Mengying Duan
- Department of Dermatologic Surgery, Hangzhou Third People's Hospital, Zhejiang, China
| | - Die Xia
- Department of medicine, China Medical University, Shenyang, China
| | - Xianbin Cao
- Department of Dermatologic Surgery, Hangzhou Third People's Hospital, Zhejiang, China
| | - Jianzhong Peng
- Department of Dermatologic Surgery, Hangzhou Third People's Hospital, Zhejiang, China
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Aringer M, Finzel S, Voll RE. [Immunopathogenesis of systemic lupus erythematosus]. Z Rheumatol 2024; 83:68-76. [PMID: 35551439 PMCID: PMC10847069 DOI: 10.1007/s00393-022-01214-4] [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] [Accepted: 04/13/2022] [Indexed: 11/28/2022]
Abstract
Insights into the immunopathogenesis of systemic lupus erythematosus (SLE) help to understand the complex disease patterns and to develop new treatment strategies. The disease manifestations essentially result from autoantibodies, immune complexes and cytokines. Particularly the propensity towards developing various autoantibodies is central to the disease itself; autoantibody specificities lead to highly variable organ manifestations. This review article delineates the clinically relevant state of knowledge on SLE pathogenesis, with the goal to establish a model useful for clinical practice, which also helps to classify the novel therapeutic approaches.
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Affiliation(s)
- Martin Aringer
- Rheumatologie, Medizinische Klinik III und UniversitätsCentrum für Autoimmun- und Rheumatische Erkrankungen (UCARE), Universitätsklinikum und Medizinische Fakultät Carl Gustav Carus, TU Dresden, Fetscherstr. 74, 01307, Dresden, Deutschland.
| | - Stephanie Finzel
- Klinik für Rheumatologie und Klinische Immunologie & Centrum für chronische Immundefizienz, Universitätsklinikum Freiburg, Freiburg, Deutschland
| | - Reinhard E Voll
- Klinik für Rheumatologie und Klinische Immunologie & Centrum für chronische Immundefizienz, Universitätsklinikum Freiburg, Freiburg, Deutschland
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Li M, Luo L, Lin C, Ni B, Zou L, Song Z, Hao F, Wu Y, Luo N. Vitamin D3 mitigates autoimmune inflammation caused by activation of myeloid dendritic cells in SLE. Exp Dermatol 2024; 33:e14926. [PMID: 37702410 DOI: 10.1111/exd.14926] [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: 06/01/2023] [Revised: 08/23/2023] [Accepted: 08/31/2023] [Indexed: 09/14/2023]
Abstract
Systemic lupus erythematosus (SLE) is an autoimmune disease in which defective T cells, immune complex deposition and other immune system alterations contribute to pathological changes of multiple organ systems. The vitamin D metabolite c is a critical immunomodulator playing pivotal roles in the immune system. Epidemiological evidence indicates that vitamin D deficiency is correlated with the severity of SLE. Our aim is to investigate the effects of 1,25(OH)2D3 (VitD3) on the activation of myeloid dendritic cells (mDCs) by autologous DNA-containing immune complex (DNA-ICs), and the effects of VitD3 on immune system balance during SLE. We purified DNA-ICs from the serum of SLE patients and isolated mDCs from normal subjects. In vitro studies showed that DNA-ICs were internalized and consumed by mDCs. VitD3 blocked the effects of DNA-ICs on RelB, IL-10 and TNF-α in mDCs. Further analysis indicated that DNA-ICs stimulated histone acetylation in the RelB promoter region, which was inhibited by VitD3. Knockdown of the histone deacetylase 3 gene (HDAC3) blocked these VitD3-mediated effects. Co-culture of mDCs and CD4+ T cells showed that VitD3 inhibited multiple processes mediated by DNA-ICs, including proliferation, downregulation of IL-10, TGF-β and upregulation of TNF-α. Moreover, VitD3 could also reverse the effects of DNA-IC-induced imbalance of CD4+ CD127- Foxp3+ T cells and CD4+ IL17+ T cells. Taken together, our results indicated that autologous DNA-ICs stimulate the activation of mDCs in the pathogenesis of SLE, and VitD3 inhibits this stimulatory effects of DNA-ICs by negative transcriptional regulation of RelB gene and maintaining the Treg/Th17 immune cell balance. These results suggest that vitamin D may have therapeutic value for the treatment of SLE.
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Affiliation(s)
- Mingfang Li
- Department of Dermatology, The Third Affiliated Hospital of Chongqing Medical University, Chongqing, China
- Department of Dermatology, Southwest Hospital, Army Medical University (Third Military Medical University), Chongqing, China
- Department of Dermatology, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Li Luo
- Department of Dermatology, The Third Affiliated Hospital of Chongqing Medical University, Chongqing, China
- Department of Dermatology, Southwest Hospital, Army Medical University (Third Military Medical University), Chongqing, China
| | - Chuanchuan Lin
- Department of Dermatology, Southwest Hospital, Army Medical University (Third Military Medical University), Chongqing, China
| | - Bing Ni
- Institute of Immunology, Army Medical University (Third Military Medical University), Chongqing, China
| | - Liyun Zou
- Institute of Immunology, Army Medical University (Third Military Medical University), Chongqing, China
| | - Zhiqiang Song
- Department of Dermatology, Southwest Hospital, Army Medical University (Third Military Medical University), Chongqing, China
| | - Fei Hao
- Department of Dermatology, The Third Affiliated Hospital of Chongqing Medical University, Chongqing, China
- Department of Dermatology, Southwest Hospital, Army Medical University (Third Military Medical University), Chongqing, China
| | - Yi Wu
- Department of Digital Medicine, College of Biomedical Engineering and Medical Imaging, Army Medical University (Third Military Medical University), Chongqing, China
| | - Na Luo
- Department of Dermatology, The Third Affiliated Hospital of Chongqing Medical University, Chongqing, China
- Department of Dermatology, Southwest Hospital, Army Medical University (Third Military Medical University), Chongqing, China
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Luo R, Li L, Han Q, Fu J, Xiao F. HAGLR, stabilized by m6A modification, triggers PTEN-Akt signaling cascade-mediated RPE cell pyroptosis via sponging miR-106b-5p. J Biochem Mol Toxicol 2024; 38:e23596. [PMID: 38088496 DOI: 10.1002/jbt.23596] [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: 09/07/2022] [Revised: 10/12/2023] [Accepted: 11/20/2023] [Indexed: 01/18/2024]
Abstract
Consistent hyperglycaemia on retinal microvascular tissues is recognized as a vital inducer of diabetic retinopathy (DR) pathogenesis. In view of the essential functionality of long noncoding RNAs (lncRNAs) in multiple human diseases, we aim to figure out the exact role and underlying mechanisms of lncRNA HOXD Cluster Antisense RNA 1 (HAGLR) in DR pathogenesis. Serum specimens from patients with proliferative DR and healthy volunteers were collected for measuring HAGLR levels. Human primary retinal pigment epithelium (HRPE) cells kept in high glucose (HG) condition were applied to simulating hyperglycaemia of DR pathology in vitro. Cell proliferation, apoptosis, either pyroptosis was assess using Cell Counting Kit-8 TUNEL, flow cytometry, and enzyme-linked immunoassay assays. Bioinformatics analysis was subjected to examine the interaction between HAGLR and N6-methyladenosine (m6A)-bind protein IGF2BP2, as determined using RNA immunoprecipitation and RNA pull-down. Luciferase reporter assay was performed to assess the HAGLR-miR-106b-5p-PTEN axis. Levels of pyroptosis-associated biomarkers were detected using western blotting. Aberrantly overexpressed HAGLR was uncovered in the serum samples of DR patients and HG-induced HRPE cells, of which knockdown attenuated HG-induced cytotoxic impacts on cell apoptosis and pyroptosis. Whereas, reinforced HAGLR further aggravated these effects. IGF2BP2 positively regulated HAGLR in a m6A-dependent manner. HAGLR served as a sponge for miR-106b-5p to upregulate PTEN, thereby activating Akt signaling cascade. Rescue assays demonstrated that PTEN overexpression abolished the inhibition of silenced HAGLR on pyroptosis in HRPE cells. HAGLR, epigenetically modified by IGF2BP2 in an m6A-dependent manner, functioned as a sponge for miR-106b-5p, thereby activating PTEN/Akt signaling cascade to accelerate DR pathology.
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Affiliation(s)
- Rong Luo
- Department of Ophthalmology, The First Affiliated Hospital of Nanchang Medical College, Jiangxi Provincial People's Hospital, Nanchang, Jiangxi, China
| | - Lan Li
- Department of Ophthalmology, The First Affiliated Hospital of Nanchang Medical College, Jiangxi Provincial People's Hospital, Nanchang, Jiangxi, China
| | - Qingluan Han
- Department of Ophthalmology, The First Affiliated Hospital of Nanchang Medical College, Jiangxi Provincial People's Hospital, Nanchang, Jiangxi, China
| | - Jingsong Fu
- Department of Ophthalmology, The First Affiliated Hospital of Nanchang Medical College, Jiangxi Provincial People's Hospital, Nanchang, Jiangxi, China
| | - Fan Xiao
- Department of Ophthalmology, The First Affiliated Hospital of Nanchang Medical College, Jiangxi Provincial People's Hospital, Nanchang, Jiangxi, China
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Li Y, Xu B, Zhang J, Liu X, Ganesan K, Shi G. Exploring the role of LIAS-related cuproptosis in systemic lupus erythematosus. Lupus 2023; 32:1598-1609. [PMID: 37903189 DOI: 10.1177/09612033231211429] [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] [Indexed: 11/01/2023]
Abstract
BACKGROUND Cuproptosis is a novel mode of cell death, which is strongly related to energy metabolism in mitochondria and regulated by protein lipoylation. Currently, the molecular mechanisms of cuproptosis-related genes (CRGs) involved in systemic lupus erythematosus (SLE) largely remained unclear, our study is aimed to explore the mechanisms of cuproptosis and CRGs involved in SLE. METHODS Bulk RNA-seq datasets were collected to display the expressions of CRGs in peripheral blood mononuclear cells (PBMCs) of SLE and healthy individuals, and then ROC analysis was used to establish the diagnostic models of CRGs. Next, the immune infiltration analyses were applied to reveal the difference of immune cells infiltration in LIAS-low and LIAS-high group. Additionally, WGCNA analysis was performed to find the gene modules significantly correlated with the LIAS expression level. We also performed the functional enrichment analyses for LIAS-related gene modules to determine the potential pathways involved in the development of SLE. Finally, scRNA-seq dataset was used to cluster immune cell subsets, reveal the activated pathways, and study cell-cell interactions in LIAS-low and LIAS-high cells. RESULT We found CDKN2A was significantly increased and LIAS was significantly decreased in SLE patients compared with healthy individuals. The AUC score showed that LIAS had a great diagnostic value than other CRGs. Additionally, the results of immune infiltration analyses showed that immune cells proportion were diverse in LIAS-low and LIAS-high samples. The gene sets related to LIAS expression level were involved in dephosphorylation of JAK1 by SHP1, phosphorylation of STAT2, cytokine signaling in immune system, expression of interferon-alpha and beta, inhibition of JAK kinase activity by SOCS1/3, and so on. Finally, the results of cell-cell communication showed that CCL- (CCL5 + CCR1) and ANNEXIN- (ANXA1 + FPR1) might play an essential role in the communication network between LIAS-low and LIAS-high cells. CONCLUSION Above findings inferred that LIAS-mediated cuproptosis might involve in a comprehensive cellular and molecular mechanism to cause the occurrence and development of SLE.
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Affiliation(s)
- Yan Li
- Department of Rheumatology and Clinical Immunology, The First Affiliated Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen, China
- Xiamen Municipal Clinical Research Center for Immune Diseases, Xiamen, China
- Xiamen Key Laboratory of Rheumatology and Clinical Immunology, Xiamen, China
| | - Bojun Xu
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Jimin Zhang
- Department of Rheumatology and Clinical Immunology, The First Affiliated Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen, China
- Xiamen Municipal Clinical Research Center for Immune Diseases, Xiamen, China
- Xiamen Key Laboratory of Rheumatology and Clinical Immunology, Xiamen, China
| | - Xiaoyan Liu
- Department of Dermatology, Xiang'an Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen, China
| | - Kumar Ganesan
- School of Chinese Medicine, LKS Faculty of Medicine, The University of Hong Kong, Hong Kong
| | - Guixiu Shi
- Department of Rheumatology and Clinical Immunology, The First Affiliated Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen, China
- Xiamen Municipal Clinical Research Center for Immune Diseases, Xiamen, China
- Xiamen Key Laboratory of Rheumatology and Clinical Immunology, Xiamen, China
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Mesquita FV, Ferreira V, Mesquita D, Andrade LEC. CD4 T lymphocyte subsets display heterogeneous susceptibility to apoptosis induced by serum from patients with systemic lupus erythematosus. Adv Rheumatol 2023; 63:40. [PMID: 37587510 DOI: 10.1186/s42358-023-00321-3] [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: 12/13/2022] [Accepted: 08/09/2023] [Indexed: 08/18/2023] Open
Abstract
BACKGROUND Serum from systemic lupus erythematosus (SLE) patients has been shown to induce T-lymphocyte (TL) apoptosis. Given that different cells of the immune system display different sensitivity to apoptosis, we set to evaluate the in vitro effect of SLE serum on regulatory T-cells (Treg), Th17, Th1 and Th2 from SLE patients and healthy controls. METHODS Peripheral blood mononuclear cells from SLE patients or normal controls were exposed to a pool of sera from SLE patients or normal controls. Annexin V was used to label cells in apoptosis or necrosis. Annexin V-labeled Treg, Th17, Th1 and Th2 cells were determined using flow cytometry. RESULTS Total CD3 + and CD4 + cells from SLE patients showed higher frequency of spontaneous apoptosis/necrosis, whereas Th1 cells from SLE patients presented reduced spontaneous apoptosis/necrosis rate as compared with cells from controls. Incubation with SLE serum induced increased frequency of apoptotic/necrotic CD3 + , CD4 + and Th2 cells from normal controls or from SLE patients as compared with cultures incubated with normal human serum (NHS) or without human serum at all. Incubation with SLE serum did not increase the apoptosis/necrosis rate in Th1 or Th17 cells. Treg cells from SLE patients were more prone to apoptosis/necrosis induced by SLE serum than Treg cells from normal individuals. Th1, Th2, and Th17 cells presented increased apoptosis rates in cultures without human serum. CONCLUSION Our findings indicate that the serum of patients with active SLE stimulates apoptosis of CD4 + T cells in general and exhibit differentiated effects on CD4 + T-cell subsets.
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Affiliation(s)
- Fernanda Vieira Mesquita
- Division of Rheumatology - Escola Paulista de Medicina, UNIFESP, Universidade Federal de São Paulo, Rua Botucatu 740, SP, 04023-062, São Paulo, Brazil
| | - Vanessa Ferreira
- Division of Rheumatology - Escola Paulista de Medicina, UNIFESP, Universidade Federal de São Paulo, Rua Botucatu 740, SP, 04023-062, São Paulo, Brazil
| | - Danilo Mesquita
- Division of Rheumatology - Escola Paulista de Medicina, UNIFESP, Universidade Federal de São Paulo, Rua Botucatu 740, SP, 04023-062, São Paulo, Brazil
| | - Luís Eduardo Coelho Andrade
- Division of Rheumatology - Escola Paulista de Medicina, UNIFESP, Universidade Federal de São Paulo, Rua Botucatu 740, SP, 04023-062, São Paulo, Brazil.
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Frostegård J. Antibodies against Phosphorylcholine-Implications for Chronic Inflammatory Diseases. Metabolites 2023; 13:720. [PMID: 37367878 DOI: 10.3390/metabo13060720] [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: 04/03/2023] [Revised: 05/22/2023] [Accepted: 05/25/2023] [Indexed: 06/28/2023] Open
Abstract
Atherosclerosis and its main consequence, cardiovascular disease (CVD) are nowadays regarded as chronic inflammatory disease conditions, and CVD is the main cause of death in the world. Other examples of chronic inflammation are rheumatic and other autoimmune conditions, but also diabetes, obesity, and even osteoarthritis among others. In addition, infectious diseases can have traits in common with these conditions. Systemic lupus erythematosus (SLE) is a prototypical autoimmune disease, where atherosclerosis is increased and the risk of CVD is very high. This is a clinical problem but could also shed light on the role of the immune system in atherosclerosis and CVD. Underlying mechanisms are of major interest and these are only partially known. Phosphorylcholine (PC) is a small lipid-related antigen, which is both a danger associated molecular pattern (DAMP), and a pathogen associated molecular pattern (PAMP). Antibodies against PC are ubiquitous and 5-10% of circulating IgM is IgM anti-PC. Anti-PC, especially IgM and IgG1 anti-PC, has been associated with protection in the chronic inflammatory conditions mentioned above, and develops during the first years of life, while being present at very low levels at birth. Animal experiments with immunization to raise anti-PC ameliorate atherosclerosis and other chronic inflammatory conditions. Potential mechanisms include anti-inflammatory, immune modulatory, clearance of dead cells and protection against infectious agents. An intriguing possibility is to raise anti-PC levels through immunization, to prevent and/or ameliorate chronic inflammation.
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Affiliation(s)
- Johan Frostegård
- IMM, Nobels Väg 13, Karolinska Institutet, 17165 Stockholm, Sweden
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12
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Touil H, Mounts K, De Jager PL. Differential impact of environmental factors on systemic and localized autoimmunity. Front Immunol 2023; 14:1147447. [PMID: 37283765 PMCID: PMC10239830 DOI: 10.3389/fimmu.2023.1147447] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Accepted: 05/08/2023] [Indexed: 06/08/2023] Open
Abstract
The influence of environmental factors on the development of autoimmune disease is being broadly investigated to better understand the multifactorial nature of autoimmune pathogenesis and to identify potential areas of intervention. Areas of particular interest include the influence of lifestyle, nutrition, and vitamin deficiencies on autoimmunity and chronic inflammation. In this review, we discuss how particular lifestyles and dietary patterns may contribute to or modulate autoimmunity. We explored this concept through a spectrum of several autoimmune diseases including Multiple Sclerosis (MS), Systemic Lupus Erythematosus (SLE) and Alopecia Areata (AA) affecting the central nervous system, whole body, and the hair follicles, respectively. A clear commonality between the autoimmune conditions of interest here is low Vitamin D, a well-researched hormone in the context of autoimmunity with pleiotropic immunomodulatory and anti-inflammatory effects. While low levels are often correlated with disease activity and progression in MS and AA, the relationship is less clear in SLE. Despite strong associations with autoimmunity, we lack conclusive evidence which elucidates its role in contributing to pathogenesis or simply as a result of chronic inflammation. In a similar vein, other vitamins impacting the development and course of these diseases are explored in this review, and overall diet and lifestyle. Recent work exploring the effects of dietary interventions on MS showed that a balanced diet was linked to improvement in clinical parameters, comorbid conditions, and overall quality of life for patients. In patients with MS, SLE and AA, certain diets and supplements are linked to lower incidence and improved symptoms. Conversely, obesity during adolescence was linked with higher incidence of MS while in SLE it was associated with organ damage. Autoimmunity is thought to emerge from the complex interplay between environmental factors and genetic background. Although the scope of this review focuses on environmental factors, it is imperative to elaborate the interaction between genetic susceptibility and environment due to the multifactorial origin of these disease. Here, we offer a comprehensive review about the influence of recent environmental and lifestyle factors on these autoimmune diseases and potential translation into therapeutic interventions.
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Affiliation(s)
- Hanane Touil
- Center for Translational and Computational Neuroimmunology, Department of Neurology, Columbia University Irving Medical Center, New York, NY, United States
| | - Kristin Mounts
- Center for Translational and Computational Neuroimmunology, Department of Neurology, Columbia University Irving Medical Center, New York, NY, United States
| | - Philip Lawrence De Jager
- Center for Translational and Computational Neuroimmunology, Department of Neurology, Columbia University Irving Medical Center, New York, NY, United States
- Columbia Multiple Sclerosis Center, Department of Neurology, Columbia University Irving Medical Center, New York, NY, United States
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Liao S, Tang Y, Zhang Y, Cao Q, Xu L, Zhuang Q. Identification of the shared genes and immune signatures between systemic lupus erythematosus and idiopathic pulmonary fibrosis. Hereditas 2023; 160:9. [PMID: 36871016 PMCID: PMC9985223 DOI: 10.1186/s41065-023-00270-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2022] [Accepted: 02/22/2023] [Indexed: 03/06/2023] Open
Abstract
BACKGROUND Systemic lupus erythematosus (SLE) is an autoimmune disorder which could lead to inflammation and fibrosis in various organs. Pulmonary fibrosis is a severe complication in patients with SLE. Nonetheless, SLE-derived pulmonary fibrosis has unknown pathogenesis. Of pulmonary fibrosis, Idiopathic pulmonary fibrosis (IPF) is a typicality and deadly form. Aiming to investigate the gene signatures and possible immune mechanisms in SLE-derived pulmonary fibrosis, we explored common characters between SLE and IPF from Gene Expression Omnibus (GEO) database. RESULTS We employed the weighted gene co-expression network analysis (WGCNA) to identify the shared genes. Two modules were significantly identified in both SLE and IPF, respectively. The overlapped 40 genes were selected out for further analysis. The GO enrichment analysis of shared genes between SLE and IPF was performed with ClueGO and indicated that p38MAPK cascade, a key inflammation response pathway, may be a common feature in both SLE and IPF. The validation datasets also illustrated this point. The enrichment analysis of common miRNAs was obtained from the Human microRNA Disease Database (HMDD) and the enrichment analysis with the DIANA tools also indicated that MAPK pathways' role in the pathogenesis of SLE and IPF. The target genes of these common miRNAs were identified by the TargetScan7.2 and a common miRNAs-mRNAs network was constructed with the overlapped genes in target and shared genes to show the regulated target of SLE-derived pulmonary fibrosis. The result of CIBERSORT showed decreased regulatory T cells (Tregs), naïve CD4+ T cells and rest mast cells but increased activated NK cells and activated mast cells in both SLE and IPF. The target genes of cyclophosphamide were also obtained from the Drug Repurposing Hub and had an interaction with the common gene PTGS2 predicted with protein-protein interaction (PPI) and molecular docking, indicating its potential treatment effect. CONCLUSIONS This study originally uncovered the MAPK pathway, and the infiltration of some immune-cell subsets might be pivotal factors for pulmonary fibrosis complication in SLE, which could be used as potentially therapeutic targets. The cyclophosphamide may treat SLE-derived pulmonary fibrosis through interaction with PTGS2, which could be activated by p38MAPK.
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Affiliation(s)
- Sheng Liao
- Transplantation Center, the 3rd Xiangya Hospital, Central South University, 138 Tongzipo Rd, Changsha, 410013, Hunan, China
| | - Youzhou Tang
- Department of Nephropathy, the 3rd Xiangya Hospital, Central South University, Changsha, China
| | - Ying Zhang
- Transplantation Center, the 3rd Xiangya Hospital, Central South University, 138 Tongzipo Rd, Changsha, 410013, Hunan, China
| | - Qingtai Cao
- Transplantation Center, the 3rd Xiangya Hospital, Central South University, 138 Tongzipo Rd, Changsha, 410013, Hunan, China
| | - Linyong Xu
- School of Life Science, Central South University, Changsha, China
| | - Quan Zhuang
- Transplantation Center, the 3rd Xiangya Hospital, Central South University, 138 Tongzipo Rd, Changsha, 410013, Hunan, China. .,Research Center of National Health Ministry on Transplantation Medicine, 138 Tongzipo Rd, Changsha, 410013, Hunan, China.
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14
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Yousef RN, Ramadan A, Awadallah E, Alnaggar AR, Khalil NM, E.Behiry M, Ali A, El Dine HG. Pro-apoptotic Bax mRNA expression: A novel predictor for systemic lupus erythematosus disease flare-up. Arch Rheumatol 2023; 38:129-137. [DOI: 10.46497/archrheumatol.2023.9448] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Accepted: 04/16/2022] [Indexed: 03/18/2023] Open
Abstract
Objectives: In this study, we aimed to better understand the expression of pro-apoptotic Bad and Bax in the pathogenesis of systemic lupus erythematosus (SLE) and their relationship with the disease activity.
Patients and methods: Between June 2019 and January 2021, a total of 60 female patients with SLE (median age 29 years; IQR, 25.0-32.0) and 60 age- and sex-matched healthy female controls (median age: 30 years; IQR, 24.0-32.0) were included. The Bax and Bad messenger ribonucleic acid (mRNA) expression was measured by real-time polymerase chain reaction.
Results: The expression of Bax and Bad was significantly lower in SLE group than the control group. The median value of mRNA expression of Bax and Bad was 0.72 and 0.84, respectively versus 0.76 and 0.89 in the control group. The median value of (Bax*Bad)/β-actin index was 17.8 in the SLE group and 19.64 in the control group. The expression of both Bax, Bad and (Bax*Bad)/β-actin index had a good significant diagnostic utility (area under the curve [AUC]= 0.64, 0.70, and 0.65, respectively). The Bax mRNA expression showed a significant upregulation with disease flare-up. The efficacy of Bax mRNA expression in predicting SLE flare-up was good (AUC= 73%). In the regression model, the probability of flare-up reached 100%, with increasing Bax/β-actin as well, and the likelihood of flare-up increased 10,314 times with every unit increase of Bax/β-actin mRNA expression.
Conclusion: Deregulation of the mRNA expression of Bax may have a role in the susceptibility to SLE and may be associated with disease flare. A better understanding of the expression of these pro-apoptotic molecules may carry a great potential for the development of specific effective therapies.
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Abstract
The prognosis in systemic lupus erythematosus (SLE) has improved due to better treatment and care, but cardiovascular disease (CVD) still remains an important clinical problem, since the risk of CVD in SLE is much higher than among controls. Atherosclerosis is the main cause of CVD in the general population, and in SLE, increased atherosclerosis, especially the prevalence of atherosclerotic plaques, has been demonstrated. Atherosclerosis is an inflammatory condition, where immunity plays an important role. Interestingly, oxidized low-density lipoprotein, defective clearance of dead cells, and inflammation, with a pro-inflammatory T-cell profile are characteristics of both atherosclerosis and SLE. In addition to atherosclerosis as an underlying cause of CVD in SLE, there are also other non-mutually exclusive mechanisms, and the most important of these are antiphospholipid antibodies (aPL) leading to the antiphospholipid antibody syndrome with both arterial and venous thrombosis. aPL can cause direct pro-inflammatory and prothrombotic effects on endothelial and other cells and also interfere with the coagulation, for example, by inhibiting annexin A5 from its antithrombotic and protective effects. Antibodies against phosphorylcholine (anti-PC) and other small lipid-related epitopes, sometimes called natural antibodies, are negatively associated with CVD and atherosclerosis in SLE. Taken together, a combination of traditional risk factors such as hypertension and dyslipidemia, and nontraditional ones, especially aPL, inflammation, and low anti-PC are implicated in the increased risk of CVD in SLE. Close monitoring of both traditional risk factors and nontraditional ones, including treatment of disease manifestations, not lest renal disease in SLE, is warranted.
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Affiliation(s)
- Johan Frostegård
- Section of Immunology and Chronic Disease, Karolinska Institutet, Stockholm, Sweden
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16
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Lichtnekert J, Anders HJ, Lech M. Lupus Nephritis: Current Perspectives and Moving Forward. J Inflamm Res 2022; 15:6533-6552. [PMID: 36483271 PMCID: PMC9726217 DOI: 10.2147/jir.s363722] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2022] [Accepted: 11/22/2022] [Indexed: 08/07/2023] Open
Abstract
Lupus nephritis is a severe organ manifestation of systemic lupus erythematosus, and its pathogenesis involves complex etiology and mechanisms. Despite significant knowledge gains and extensive efforts put into understanding the development and relapsing disease activity, lupus nephritis remains a substantial cause of morbidity and mortality in lupus patients. Current therapies retain a significant unmet medical need regarding rates of complete response, preventing relapse of lupus nephritis, progression of chronic kidney disease to kidney failure, drug toxicity, and pill burden-related drug non-adherence. Connected to progression of chronic kidney disease are the associated risks for disabling or even lethal cardiovascular events, as well as chronic kidney disease-related secondary immunodeficiency and serious infections. In this regard, biomarkers are needed that can predict treatment response to specific drugs to enable personalized precision medicine. A series of clinical trials with innovative immunomodulatory drugs are ongoing and raise expectations for improvements in the management of lupus nephritis. Here, we review how new developments in pathogenesis connect with current and future perspectives for the management of lupus nephritis.
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Affiliation(s)
- Julia Lichtnekert
- Nephrologisches Zentrum, Medizinische Klinik und Poliklinik IV, Klinikum der Universität München, LMU München, München, Germany
| | - Hans-Joachim Anders
- Nephrologisches Zentrum, Medizinische Klinik und Poliklinik IV, Klinikum der Universität München, LMU München, München, Germany
| | - Maciej Lech
- Nephrologisches Zentrum, Medizinische Klinik und Poliklinik IV, Klinikum der Universität München, LMU München, München, Germany
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17
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Hu W, Chen X. Identification of hub ferroptosis-related genes and immune infiltration in lupus nephritis using bioinformatics. Sci Rep 2022; 12:18826. [PMID: 36335193 PMCID: PMC9637192 DOI: 10.1038/s41598-022-23730-8] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Accepted: 11/04/2022] [Indexed: 11/08/2022] Open
Abstract
Lupus nephritis (LN) is one of the most severe and more common organ manifestations of the autoimmune disease, systemic lupus erythematosus. Ferroptosis, a novel type of programmed cell death, so far its role in LN remains uncertain. In the present study, we explored the role of ferroptosis in LN and its relationship with the immune response. The GSE112943 LN dataset was downloaded from the Gene Expression Omnibus database. Ferroptosis-Related Genes (FRGs) that drive, suppress or mark ferroptosis were retrieved from the public FerrDb database. The gene expression matrix of the GSE112943 dataset was analyzed with the "limma" package in R to obtain differentially expressed genes (DEGs) between LN and healthy samples. Subsequently, the crossover genes between DEGs and FRGs were identified as differentially expressed ferroptosis-related genes (DE-FRGs). Protein-protein interaction (PPI) network analysis, visualization, and identification of hub lupus nephritis ferroptosis-related genes (LN-FRGs) were performed with STRING and Cytoscape, while their Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathways were determined with the clusterProfiler package. Immune cell infiltration was calculated with CIBERSORT. The relationship between hub LN-FRGs and immune-infiltrated cells in LN was determined by Pearson correlation. A total of 96 DE-FRGs and 8 hub LN-FRGs (KRAS, PIK3CA, EGFR, MAPK14, SRC, MAPK3, VEGFA, and ATM) were identified. GO and KEGG functional classification indicated these genes enrichment in apoptotic process, programmed cell death, autophagy-animal, FoxO signaling pathway, relaxin signaling pathway, and VEGF signaling pathway. Infiltration matrix analysis of immune cells showed abundant Monocytes and M0/M1/M2 macrophages in LN kidney tissues. Correlation analysis revealed 8 hub LN-FRGs associated with immune-infiltrated cells in LN. In summary, overproduction of ROS and abnormal infiltration of immune cells would be implicated in the LN caused by ferroptosis. 8 hub lupus nephritis ferroptosis-related genes (LN-FRGs) which might be good biomarkers of ferroptosis in LN were identified in this study. These findings point to the immune response playing an important role in LN caused by ferroptosis via mutual regulation between hub LN-FRGs and immune-infiltrated cells.
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Affiliation(s)
- Weitao Hu
- grid.488542.70000 0004 1758 0435Department of Rheumatology, The Second Affiliated Hospital of Fujian Medical University, 34 North Zhongshan Road, Licheng District, Quanzhou, 362000 Fujian People’s Republic of China
| | - Xiaoqing Chen
- grid.488542.70000 0004 1758 0435Department of Rheumatology, The Second Affiliated Hospital of Fujian Medical University, 34 North Zhongshan Road, Licheng District, Quanzhou, 362000 Fujian People’s Republic of China
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18
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Chen H, Huang L, Jiang X, Wang Y, Bian Y, Ma S, Liu X. Establishment and analysis of a disease risk prediction model for the systemic lupus erythematosus with random forest. Front Immunol 2022; 13:1025688. [PMID: 36405750 PMCID: PMC9667742 DOI: 10.3389/fimmu.2022.1025688] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Accepted: 10/17/2022] [Indexed: 09/25/2023] Open
Abstract
Systemic lupus erythematosus (SLE) is a latent, insidious autoimmune disease, and with the development of gene sequencing in recent years, our study aims to develop a gene-based predictive model to explore the identification of SLE at the genetic level. First, gene expression datasets of SLE whole blood samples were collected from the Gene Expression Omnibus (GEO) database. After the datasets were merged, they were divided into training and validation datasets in the ratio of 7:3, where the SLE samples and healthy samples of the training dataset were 334 and 71, respectively, and the SLE samples and healthy samples of the validation dataset were 143 and 30, respectively. The training dataset was used to build the disease risk prediction model, and the validation dataset was used to verify the model identification ability. We first analyzed differentially expressed genes (DEGs) and then used Lasso and random forest (RF) to screen out six key genes (OAS3, USP18, RTP4, SPATS2L, IFI27 and OAS1), which are essential to distinguish SLE from healthy samples. With six key genes incorporated and five iterations of 10-fold cross-validation performed into the RF model, we finally determined the RF model with optimal mtry. The mean values of area under the curve (AUC) and accuracy of the models were over 0.95. The validation dataset was then used to evaluate the AUC performance and our model had an AUC of 0.948. An external validation dataset (GSE99967) with an AUC of 0.810, an accuracy of 0.836, and a sensitivity of 0.921 was used to assess the model's performance. The external validation dataset (GSE185047) of all SLE patients yielded an SLE sensitivity of up to 0.954. The final high-throughput RF model had a mean value of AUC over 0.9, again showing good results. In conclusion, we identified key genetic biomarkers and successfully developed a novel disease risk prediction model for SLE that can be used as a new SLE disease risk prediction aid and contribute to the identification of SLE.
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Affiliation(s)
- Huajian Chen
- School of Public Health and Management, Wenzhou Medical University, Wenzhou, China
| | - Li Huang
- School of Public Health and Management, Wenzhou Medical University, Wenzhou, China
| | - Xinyue Jiang
- School of Public Health and Management, Wenzhou Medical University, Wenzhou, China
| | - Yue Wang
- School of Public Health and Management, Wenzhou Medical University, Wenzhou, China
| | - Yan Bian
- School of Public Health and Management, Wenzhou Medical University, Wenzhou, China
| | - Shumei Ma
- School of Public Health and Management, Wenzhou Medical University, Wenzhou, China
| | - Xiaodong Liu
- School of Public Health and Management, Wenzhou Medical University, Wenzhou, China
- South Zhejiang Institute of Radiation Medicine and Nuclear Technology, Wenzhou Medical University, Wenzhou, China
- Key Laboratory of Watershed Science and Health of Zhejiang Province, Wenzhou Medical University, Wenzhou, China
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19
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Quintero-González DC, Muñoz-Urbano M, Vásquez G. Mitochondria as a key player in systemic lupus erythematosus. Autoimmunity 2022; 55:497-505. [PMID: 35978536 DOI: 10.1080/08916934.2022.2112181] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Abstract
Systemic lupus erythematosus (SLE) is a heterogeneous, multisystemic autoimmune disease with a broad clinical spectrum. Loss of self-tolerance and chronic inflammation are critical markers of SLE pathogenesis. Although alterations in adaptive immunity are widely recognized, increasing reports indicate the role of mitochondrial dysfunction in activating pathogenic pathways involving the innate immune system. Among these, disarrangements in mitochondrial DNA copy number and heteroplasmy percentage are related to SLE activity. Furthermore, increased oxidative stress contributes to post-translational changes in different molecules (proteins, nucleic acids, and lipids), release of oxidized mitochondrial DNA through a pore of voltage-dependent anion channel oligomers, and spontaneous mitochondrial antiviral signaling protein oligomerization. Finally, a reduction in mitophagy, apoptosis induction, and NETosis has been reported in SLE. Most of these pathways lead to persistent and inappropriate exposure to oxidized mitochondrial DNA, which can stimulate plasmacytoid dendritic cells, enhance autoreactive lymphocyte activation, and release increased amounts of interferons through stimulation of toll-like receptors and cytosolic DNA sensors. Likewise, abnormal T-cell receptor activation, decreased regulatory T cells, enhanced Th17 phenotypes, and increased monocyte maturation to dendritic cells have also been observed in SLE. Targeting the players involved in mitochondrial damage can ultimately help.
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Affiliation(s)
| | - Marcela Muñoz-Urbano
- Rheumatology Section, Facultad de Medicina, Universidad de Antioquia, Medellín, Colombia
| | - G Vásquez
- Rheumatology Section, Facultad de Medicina, Universidad de Antioquia, Medellín, Colombia.,Grupo de Inmunología Celular e Inmunogenética (GICIC), Universidad de Antioquia, Medellín, Colombia
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20
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Oh J, Oda K, Brash M, Beeson WL, Sabaté J, Fraser GE, Knutsen SF. The association between dietary patterns and a doctor diagnosis of systemic lupus erythematosus: the Adventist Health Study-2. Lupus 2022; 31:1373-1378. [PMID: 35786051 DOI: 10.1177/09612033221112522] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
OBJECTIVE The aim of our study was to assess the association between a diagnosis of Systemic Lupus Erythematosus (SLE) and dietary pattern as well as demographic factors among subjects in the Adventist Health Study-2 (AHS-2) cohort. METHODS Multivariable logistic regression modeling was used to assess the association between prevalence of self-reported SLE and dietary patterns (vegetarian, pesco-vegetarian and non-vegetarian). Potential confounding variables included were age, gender, race, education, and smoking history among 77,795 AHS-2 participants. RESULTS There was a dose-response association between the prevalence of SLE with vegetarian diets, ordered by content of animal meats. The stricter vegetarians had 25% lower odds of reporting that they were currently being treated for SLE (OR = 0.75, 95% CI 0.56, 1.02) with intermediate levels for the pesco-vegetarians who eat fish (OR 0.88, 95% CI 0.57, 1.36), compared to non-vegetarians. As expected, there were also significant associations between the prevalence of SLE with sex, race, age, and smoking. Significantly fewer men were diagnosed with SLE compared to women (OR = 0.14, 95% CI: 0.08, 0.22). Compared to non-Hispanic Whites, non-Hispanic Blacks were significantly more likely to report a diagnosis of SLE (OR 1.69, 95% CI 1.29, 2.21). A significantly lower proportion of 30-39 year olds (OR 0.51, 95% CI 0.29, 0.90) reported a diagnosis of SLE when compared to those 60 or older. Also, ever smokers were more likely to report prevalent SLE than those who had never smoked (OR 1.71, 95% CI 1.27, 2.31). CONCLUSION We found that vegetarians had lower odds of doctor-diagnosed SLE with an increasing trend in prevalence from stricter vegetarians to pesco-vegetarians to non-vegetarians. We also note that the association with other demographic factors in AHS-2 was similar to that found in other studies. Future studies may focus on assessing the incidence and severity of the disease among vegetarians and non-vegetarians.
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Affiliation(s)
- Jisoo Oh
- School of Public Health, 4608Loma Linda University, Loma Linda, CA, USA
| | - Keiji Oda
- School of Public Health, 4608Loma Linda University, Loma Linda, CA, USA
| | - Marissa Brash
- School of Public Health, 4608Loma Linda University, Loma Linda, CA, USA
| | - W Lawrence Beeson
- School of Public Health, 4608Loma Linda University, Loma Linda, CA, USA
| | - Joan Sabaté
- School of Public Health, 4608Loma Linda University, Loma Linda, CA, USA
| | - Gary E Fraser
- School of Public Health, 4608Loma Linda University, Loma Linda, CA, USA.,Preventive Medicine, School of Medicine, 4608Loma Linda University, Loma Linda, CA, USA
| | - Synnove F Knutsen
- School of Public Health, 4608Loma Linda University, Loma Linda, CA, USA
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21
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Olson LB, Hunter NI, Rempel RE, Sullenger BA. Targeting DAMPs with nucleic acid scavengers to treat lupus. Transl Res 2022; 245:30-40. [PMID: 35245691 PMCID: PMC9167234 DOI: 10.1016/j.trsl.2022.02.007] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Revised: 02/17/2022] [Accepted: 02/22/2022] [Indexed: 12/16/2022]
Abstract
Systemic lupus erythematosus (SLE) is a chronic and often progressive autoimmune disorder marked clinically by a variable constellation of symptoms including fatigue, rash, joint pains, and kidney damage. The lungs, heart, gastrointestinal system, and brain can also be impacted, and individuals with lupus are at higher risk for atherosclerosis, thrombosis, thyroid disease, and other disorders associated with chronic inflammation . Autoimmune diseases are marked by erroneous immune responses in which the target of the immune response is a "self"-antigen, or autoantigen, driven by the development of antigen-specific B or T cells that have overcome the normal systems of self-tolerance built into the development of B and T cells. SLE is specifically characterized by the production of autoantibodies against nucleic acids and their binding proteins, including anti-double stranded DNA, anti-Smith (an RNA binding protein), and many others . These antibodies bind their nuclear-derived antigens to form immune complexes that cause injury and scarring through direct deposition in tissues and activation of innate immune cells . In over 50% of SLE patients, immune complex aggregation in the kidneys drives intrarenal inflammation and injury and leads to lupus nephritis, a progressive destruction of the glomeruli that is one of the most common causes of lupus-related death . To counter this pathology increasing attention has turned to developing approaches to reduce the development and continued generation of such autoantibodies. In particular, the molecular and cellular events that lead to long term, continuous activation of such autoimmune responses have become the focus of new therapeutic strategies to limit renal and other pathologies in lupus patients. The focus of this review is to consider how the innate immune system is involved in the development and progression of lupus nephritis and how a novel approach to inhibit innate immune activation by neutralizing the activators of this response, called Damage Associated Molecular Patterns, may represent a promising approach to treat this and other autoimmune disorders.
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Affiliation(s)
- Lyra B Olson
- Department of Surgery, Duke University, Durham, North Carolina; Department of Pharmacology and Cancer Biology, Duke University, Durham, North Carolina
| | - Nicole I Hunter
- Department of Surgery, Duke University, Durham, North Carolina; Department of Chemistry, Duke University, Durham, North Carolina
| | - Rachel E Rempel
- Department of Surgery, Duke University, Durham, North Carolina
| | - Bruce A Sullenger
- Department of Surgery, Duke University, Durham, North Carolina; Department of Pharmacology and Cancer Biology, Duke University, Durham, North Carolina; Department of Biomedical Engineering, Duke University, Durham, North Carolina.
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22
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Wang W, Lin Z, Feng J, Liang Q, Zhao J, Zhang G, Chen R, Fu R. Identification of ferroptosis-related molecular markers in glomeruli and tubulointerstitium of lupus nephritis. Lupus 2022; 31:985-997. [PMID: 35588147 DOI: 10.1177/09612033221102076] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
PURPOSE Ferroptosis, characterized by iron accumulation and lipid peroxidation, is a newly demonstrated form of programed cell death. Present studies reveal that ferroptosis is involved in tumor and neurodegenerative disease. Regarding its roles in the development of LN, it is least interrogated. In this study, we explored whether ferroptosis is activated and how does it change at transcriptomic level in LN. METHODS 4-Hydroxynonenal (4-HNE) was stained to explore whether ferroptosis is activated. Subsequently, by using bioinformatic methods, public GSE32591 dataset was analyzed. Ferroptosis-related differentially expressed genes (FR-DEGs) were identified in both glomeruli and tubulointerstitium. Immune cell infiltration was evaluated. Correlation between FR-DEGs and infiltrated immune cells was also calculated. Finally, dataset of GSE113342, qPCR, and immunofluorescence staining were also used or performed to validate the results. RESULTS Expression of 4-HNE was significantly increased in both glomeruli and tubulointerstitium. At transcriptomic level, 19 FR-DEGs in glomeruli and 15 FR-DEGs in tubulointerstitium including genes of iron metabolism, antioxidant system inhibitors, and ferroptosis suppressors were significantly altered in LN. Of which, LTF, CYBB, and CCL5 were upregulated and G0S2 and AKR1C1 were downregulated in both glomeruli and tubulointerstitium of LN. qPCR further validated the alteration of LTF, CYBB, CCL5, G0S2, and AKR1C1 in the whole kidney. Correlation analysis showed that CYBB positively correlated with monocyte infiltration in glomeruli and positively correlated with response to therapy. CONCLUSION Lipid peroxidation was aberrantly activated in LN, suggesting the activation of ferroptosis. LTF, CYBB, CCL5, G0S2, and AKR1C1, especially CYBB, might be good biomarkers of ferroptosis in LN.
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Affiliation(s)
- Wenqian Wang
- Department of Hematology, the Second Affiliated Hospital, 220741Guangzhou Medical University, Guang Zhou, Guangdong, China.,Wenqian Wang and Zeying Lin contributed equally to this work
| | - Zeying Lin
- Department of Rheumatology, the Second Affiliated Hospital, 220741Guangzhou Medical University, Guang Zhou, Guangdong, China.,Wenqian Wang and Zeying Lin contributed equally to this work
| | - Jieye Feng
- The Second Clinical Medicine School, 26468Guangzhou Medical University, Guang Zhou, Guangdong, China
| | - Qixuan Liang
- The Second Clinical Medicine School, 26468Guangzhou Medical University, Guang Zhou, Guangdong, China
| | - Jinjin Zhao
- The Second Clinical Medicine School, 26468Guangzhou Medical University, Guang Zhou, Guangdong, China
| | - Gengbiao Zhang
- The Second Clinical Medicine School, 26468Guangzhou Medical University, Guang Zhou, Guangdong, China
| | - Ruilin Chen
- Department of Rheumatology, the Second Affiliated Hospital, 220741Guangzhou Medical University, Guang Zhou, Guangdong, China
| | - Rong Fu
- Department of Rheumatology, the Second Affiliated Hospital, 220741Guangzhou Medical University, Guang Zhou, Guangdong, China
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Liu L, Li H, Hu D, Wang Y, Shao W, Zhong J, Yang S, Liu J, Zhang J. Insights into N6-methyladenosine and programmed cell death in cancer. Mol Cancer 2022; 21:32. [PMID: 35090469 PMCID: PMC8796496 DOI: 10.1186/s12943-022-01508-w] [Citation(s) in RCA: 87] [Impact Index Per Article: 43.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2021] [Accepted: 01/12/2022] [Indexed: 12/21/2022] Open
Abstract
N6-methyladenosine (m6A) methylation, the most common form of internal RNA modification in eukaryotes, has gained increasing attention and become a hot research topic in recent years. M6A plays multifunctional roles in normal and abnormal biological processes, and its role may vary greatly depending on the position of the m6A motif. Programmed cell death (PCD) includes apoptosis, autophagy, pyroptosis, necroptosis and ferroptosis, most of which involve the breakdown of the plasma membrane. Based on the implications of m6A methylation on PCD, the regulators and functional roles of m6A methylation were comprehensively studied and reported. In this review, we focus on the high-complexity links between m6A and different types of PCD pathways, which are then closely associated with the initiation, progression and resistance of cancer. Herein, clarifying the relationship between m6A and PCD is of great significance to provide novel strategies for cancer treatment, and has a great potential prospect of clinical application.
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Affiliation(s)
- Li Liu
- Department of Clinical Laboratory, Shenzhen Traditional Chinese Medicine Hospital, Shenzhen, 518033, Guangdong, China.,The First Affiliated Hospital, Department of Rheumatology, Hengyang Medical School, University of South China, Hengyang, 421001, Hunan, China
| | - Hui Li
- Hunan Province Key Laboratory of Basic and Applied Hematology, Molecular Biology Research Center & Center for Medical Genetics, School of Life Sciences, Central South University, Changsha, 410078, Hunan, China.,Department of Dermatology, Hunan Key Laboratory of Skin Cancer and Psoriasis, Hunan Engineering Research Center of Skin Health and Disease, Xiangya Clinical Research Center for Cancer Immunotherapy, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, China
| | - Dingyu Hu
- The First Affiliated Hospital, Department of Rheumatology, Hengyang Medical School, University of South China, Hengyang, 421001, Hunan, China
| | - Yanyan Wang
- The First Affiliated Hospital, Department of Rheumatology, Hengyang Medical School, University of South China, Hengyang, 421001, Hunan, China
| | - Wenjun Shao
- The First Affiliated Hospital, Department of Rheumatology, Hengyang Medical School, University of South China, Hengyang, 421001, Hunan, China
| | - Jing Zhong
- The First Affiliated Hospital, Department of Hematology, Hengyang Medical School, University of South Chinal, Hengyang, 421001, Hunan, China
| | - Shudong Yang
- Department of Clinical Laboratory, Shenzhen Traditional Chinese Medicine Hospital, Shenzhen, 518033, Guangdong, China
| | - Jing Liu
- Hunan Province Key Laboratory of Basic and Applied Hematology, Molecular Biology Research Center & Center for Medical Genetics, School of Life Sciences, Central South University, Changsha, 410078, Hunan, China.
| | - Ji Zhang
- Department of Clinical Laboratory, Shenzhen Traditional Chinese Medicine Hospital, Shenzhen, 518033, Guangdong, China. .,The First Affiliated Hospital, Department of Rheumatology, Hengyang Medical School, University of South China, Hengyang, 421001, Hunan, China.
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Deficiency of two-pore segment channel 2 contributes to systemic lupus erythematosus via regulation of apoptosis and cell cycle. Chin Med J (Engl) 2022; 135:447-455. [PMID: 35194006 PMCID: PMC8869567 DOI: 10.1097/cm9.0000000000001893] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
Background: Methods: Results: Conclusion:
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Zhou B, Li S, Ye J, Liu Y, Hu L, Tang Y, Wu Z, Zhang P. Immunopathological events surrounding IL-6 and IFN-α: A bridge for anti-lupus erythematosus drugs used to treat COVID-19. Int Immunopharmacol 2021; 101:108254. [PMID: 34710657 PMCID: PMC8527889 DOI: 10.1016/j.intimp.2021.108254] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2021] [Revised: 09/26/2021] [Accepted: 10/08/2021] [Indexed: 01/11/2023]
Abstract
With the outbreak and rapid spread of COVID-19, the world health situation is unprecedentedly severe. Systemic lupus erythematosus (SLE) is a common autoimmune disease, which can cause multiple organ damage. Numerous studies have shown that immune factors have important roles in the pathogenesis of both COVID-19 and SLE. In the early stages of COVID-19 and SLE pathogenesis, IFN-α expression is frequently increased, which aggravates the virus infection and promotes SLE development. In addition, increased IL-6 levels, caused by different mechanisms, are observed in the peripheral blood of patients with severe COVID-19 and SLE, stimulating a series of immune cascades that lead to a cytokine storm, as well as causing B cell hyperfunction and production of numerous of antibodies, aggravating both COVID-19 and SLE. In this review, we explore the background immunopathological mechanisms in COVID-19 and SLE and analyze the advantages and disadvantages of commonly used SLE drugs for patients with COVID-19, to optimize treatment plans for patients with SLE who develop COVID-19.
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Affiliation(s)
- Bangyi Zhou
- Nanfang Hospital, Southern Medical University/The First School of Clinical Medicine, Southern Medical University, People’s Republic of China,Department of Cardiology, Heart Center, Zhujiang Hospital, Southern Medical University, 253 Industrial Avenue, Guangzhou 510282, Guangdong, People’s Republic of China
| | - Siying Li
- School of Traditional Chinese Medicine, Southern Medical University, People’s Republic of China
| | - Jujian Ye
- Zhujiang Hospital, Southern Medical University/The Second School of Clinical Medicine, Southern Medical University, People’s Republic of China,Department of Cardiology, Heart Center, Zhujiang Hospital, Southern Medical University, 253 Industrial Avenue, Guangzhou 510282, Guangdong, People’s Republic of China
| | - Yi Liu
- School of Laboratory Medicine and Biotechnology, Southern Medical University, People’s Republic of China
| | - Longtai Hu
- School of Traditional Chinese Medicine, Southern Medical University, People’s Republic of China
| | - Yan Tang
- Zhujiang Hospital, Southern Medical University/The Second School of Clinical Medicine, Southern Medical University, People’s Republic of China
| | - Zhijian Wu
- Department of Cardiology, Boai Hospital of Zhongshan, Southern Medical University, People’s Republic of China,Corresponding authors
| | - Peidong Zhang
- Department of Cardiology, Heart Center, Zhujiang Hospital, Southern Medical University, 253 Industrial Avenue, Guangzhou 510282, Guangdong, People’s Republic of China,Corresponding authors
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Owen KA, Grammer AC, Lipsky PE. Deconvoluting the heterogeneity of SLE: The contribution of ancestry. J Allergy Clin Immunol 2021; 149:12-23. [PMID: 34857396 DOI: 10.1016/j.jaci.2021.11.005] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Revised: 11/11/2021] [Accepted: 11/12/2021] [Indexed: 12/23/2022]
Abstract
Systemic lupus erythematosus (SLE) is a multiorgan autoimmune disorder with a prominent genetic component. Evidence has shown that individuals of non-European ancestry experience the disease more severely, exhibiting an increased incidence of cardiovascular disease, renal involvement, and tissue damage compared with European ancestry populations. Furthermore, there seems to be variability in the response of individuals within different ancestral groups to standard medications, including cyclophosphamide, mycophenolate, rituximab, and belimumab. Although the widespread application of candidate gene, Immunochip, and genome-wide association studies has contributed to our understanding of the link between genetic variation (typically single nucleotide polymorphisms) and SLE, despite decades of research it is still unclear why ancestry remains a key determinant of poorer outcome in non-European-ancestry patients with SLE. Here, we will discuss the impact of ancestry on SLE disease burden in patients from diverse backgrounds and highlight how research efforts using novel bioinformatic and pathway-based approaches have begun to disentangle the complex genetic architecture linking ancestry to SLE susceptibility. Finally, we will illustrate how genomic and gene expression analyses can be combined to help identify novel molecular pathways and drug candidates that might uniquely impact SLE among different ancestral populations.
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Zhang Y, Wang Y, Ding J, Liu P. Efferocytosis in multisystem diseases (Review). Mol Med Rep 2021; 25:13. [PMID: 34779503 PMCID: PMC8600411 DOI: 10.3892/mmr.2021.12529] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Accepted: 10/15/2021] [Indexed: 01/22/2023] Open
Abstract
Efferocytosis, the phagocytosis of apoptotic cells performed by both specialized phagocytes (such as macrophages) and non‑specialized phagocytes (such as epithelial cells), is involved in tissue repair and homeostasis. Effective efferocytosis prevents secondary necrosis, terminates inflammatory responses, promotes self‑tolerance and activates pro‑resolving pathways to maintain homeostasis. When efferocytosis is impaired, apoptotic cells that could not be cleared in time aggregate, resulting in the necrosis of apoptotic cells and release of pro‑inflammatory factors. In addition, defective efferocytosis inhibits the intracellular cholesterol reverse transportation pathways, which may lead to atherosclerosis, lung damage, non‑alcoholic fatty liver disease and neurodegenerative diseases. The uncleared apoptotic cells can also release autoantigens, which can cause autoimmune diseases. Cancer cells escape from phagocytosis via efferocytosis. Therefore, new treatment strategies for diseases related to defective efferocytosis are proposed. This review illustrated the mechanisms of efferocytosis in multisystem diseases and organismal homeostasis and the pathophysiological consequences of defective efferocytosis. Several drugs and treatments available to enhance efferocytosis are also mentioned in the review, serving as new evidence for clinical application.
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Affiliation(s)
- Yifan Zhang
- Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200032, P.R. China
| | - Yiru Wang
- Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200032, P.R. China
| | - Jie Ding
- Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200032, P.R. China
| | - Ping Liu
- Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200032, P.R. China
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Tim-1 alleviates lupus nephritis-induced podocyte injury via regulating autophagy. Cent Eur J Immunol 2021; 46:305-313. [PMID: 34764802 PMCID: PMC8574111 DOI: 10.5114/ceji.2021.109827] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Accepted: 04/13/2021] [Indexed: 12/21/2022] Open
Abstract
Introduction Lupus nephritis (LN) is a complication of systemic lupus erythematosus (SLE) which seriously threatens the health of people. Tim-1 is known to be associated with the pathogenesis of SLE. However, the role of Tim-1 in LN is still unclear. Aim of the study To explore the expression and the potential regulatory molecular mechanism of Tim-1 in LN-induced podocyte injury. Material and methods An in vivo model of LN was established to detect the expression of Tim-1, inflammatory cytokines and autophagy-related proteins. Podocytes were treated with immunoglobulin G (IgG) to establish the LN in vitro model and then treated with an autophagy inhibitor. RT-qPCR and western blot were performed to investigate the effect of Tim-1 on inflammatory responses as well as autophagy in podocytes. The function of Tim-1 in IgG-induced podocytes was detected by CCK-8 and flow cytometry, respectively. Results Tim-1, L3BII/L3BI ratio and inflammatory cytokines were upregulated in LN mice. Tim-1 notably inhibited IgG-induced inflammatory responses in podocytes via reducing tumor necrosis factor α (TNF-α), interleukin (IL)-6 and IL-1β expression, and it could protect podocytes against LN-induced injury via inducing autophagy. Meanwhile, Tim-1 significantly promoted the proliferation of IgG-induced podocytes via inhibiting apoptosis. The autophagy inhibitor reversed the effect of Tim-1 on inflammatory cytokines and autophagy-related proteins in IgG-treated podocytes. Conclusions Tim-1 protects podocytes against LN-induced injury via mediating autophagy, which might serve as a new target for the treatment of LN.
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Duan Z, Sun S, Qu C, Wang K, Chen F, Wang X, Chu C, Liu B, Li J, Ding W. Neutrophil extracellular trap formation index predicts occurrences of deep surgical site infection after laparotomy. ANNALS OF TRANSLATIONAL MEDICINE 2021; 9:1373. [PMID: 34733925 PMCID: PMC8506538 DOI: 10.21037/atm-21-1078] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Accepted: 06/22/2021] [Indexed: 11/06/2022]
Abstract
Background Deep surgical site infections (DSSIs) are serious complications after laparotomy. Neutrophil extracellular traps (NETs) play a vital role in the development of DSSI. Here, we focused on a new approach to predicting the occurrence of DSSI through the detection of the NET formation index (NFI), and compared its prediction ability with other clinical infection indicators. Methods Patients who received laparotomy were prospectively enrolled in this study. General information, APACHE II score, SOFA score, and serum infection indicators were recorded. The postoperative abdominal drainage fluid was collected within 3 days after the operation for quantification of the NFI. Results A total of 92 consecutive patients were included, with 22 patients were diagnosed with DSSI. The NFI in the DSSI group was 32.70%±19.33% while the corresponding index was 10.70%±8.25% in the non-DSSI group (P<0.01). The mean APACHE II and SOFA score had significant differences between the two groups. The NFI was positively correlated with the APACHE II score (P<0.01, r=0.269) and SOFA score (P=0.013, r=0.258). Patients with a high NFI (NFI >13.86%) had a higher risk of developing DSSI. According to the receiver operating characteristic (ROC) curve, the area under the ROC curve (AUC) of the NFI, C-reactive protein (CRP) and procalcitonin (PCT) were 0.912, 0.748 and 0.731, respectively. Conclusions In this cohort of surgical patients, the quantification of the NFI had a considerable predictive value for early identification of DSSI. The NFI in drainage fluid turned out to be a more sensitive and specific predictor of DSSI than serum infection indicators including CRP and PCT.
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Affiliation(s)
- Zehua Duan
- Division of Trauma and Surgical Intensive Care Unit, Research Institute of General Surgery, Affiliated Jinling Hospital, Medical School of Nanjing University, Nanjing, China
| | - Shilong Sun
- Division of Trauma and Surgical Intensive Care Unit, Research Institute of General Surgery, Affiliated Jinling Hospital, Medical School of Nanjing University, Nanjing, China
| | - Cheng Qu
- Division of Trauma and Surgical Intensive Care Unit, Research Institute of General Surgery, Affiliated Jinling Hospital, Medical School of Nanjing University, Nanjing, China
| | - Kai Wang
- Division of Trauma and Surgical Intensive Care Unit, Research Institute of General Surgery, Affiliated Jinling Hospital, Medical School of Nanjing University, Nanjing, China
| | - Fang Chen
- School of Medicine, Southeast University, Nanjing, China
| | - Xinyu Wang
- Division of Trauma and Surgical Intensive Care Unit, Research Institute of General Surgery, Affiliated Jinling Hospital, Medical School of Nanjing University, Nanjing, China
| | - Chengnan Chu
- Division of Trauma and Surgical Intensive Care Unit, Research Institute of General Surgery, Affiliated Jinling Hospital, Medical School of Nanjing University, Nanjing, China
| | - Baochen Liu
- Division of Trauma and Surgical Intensive Care Unit, Research Institute of General Surgery, Affiliated Jinling Hospital, Medical School of Nanjing University, Nanjing, China
| | - Jieshou Li
- Division of Trauma and Surgical Intensive Care Unit, Research Institute of General Surgery, Affiliated Jinling Hospital, Medical School of Nanjing University, Nanjing, China
| | - Weiwei Ding
- Division of Trauma and Surgical Intensive Care Unit, Research Institute of General Surgery, Affiliated Jinling Hospital, Medical School of Nanjing University, Nanjing, China.,Division of Trauma and Surgical Intensive Care Unit, Research Institute of General Surgery, the First School of Clinical Medicine, Southern Medical University, Guangzhou, China
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30
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Xie J, Li H, Chen L, Cao Y, Hu Y, Zhu Z, Wang M, Shi J. A Novel Pyroptosis-Related lncRNA Signature for Predicting the Prognosis of Skin Cutaneous Melanoma. Int J Gen Med 2021; 14:6517-6527. [PMID: 34675619 PMCID: PMC8518699 DOI: 10.2147/ijgm.s335396] [Citation(s) in RCA: 42] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2021] [Accepted: 09/29/2021] [Indexed: 12/22/2022] Open
Abstract
Purpose To construct a prognosis model of melanoma based on pyroptosis related genes. Methods Melanoma RNA-sequencing data was downloaded from TCGA. First, the lnRNAs related to pyroptosis were obtained through Pearson correlation analysis. Then, the prognosis model of pyroptosis related genes was constructed by Cox regression and Lasso regression. Melanoma patients were divided into high-risk and low-risk groups by risk score, and the differences in prognosis and immune microenvironment between the two groups were explored. Results We found that the high-risk group had a significantly poorer prognosis, and different groups differed in immune infiltration, m6A methylation, and immune checkpoint. Conclusion Our prognostic model can provide a reference for the study of pyroptosis in melanoma cells and provide a new idea for melanoma treatment.
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Affiliation(s)
- Jiaheng Xie
- Department of Burn and Plastic Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, People's Republic of China
| | - Haobo Li
- Department of Pulmonary and Critical Care Medicine, China-Japan Friendship Hospital; Graduate School of Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, People's Republic of China
| | - Liang Chen
- Department of General Surgery, Fuyang Hospital Affiliated to Anhui Medical University, Fuyang, Anhui, People's Republic of China
| | - Yuan Cao
- Fourth School of Clinical Medicine, Nanjing Medical University, Nanjing, Jiangsu, People's Republic of China
| | - Yiming Hu
- College of Pharmacy, Jiangsu Ocean University, Lianyungang, Jiangsu, People's Republic of China
| | - Zhechen Zhu
- Department of Burn and Plastic Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, People's Republic of China
| | - Ming Wang
- Department of Burn and Plastic Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, People's Republic of China
| | - Jingping Shi
- Department of Burn and Plastic Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, People's Republic of China
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Zhai Z, Yang F, Xu W, Han J, Luo G, Li Y, Zhuang J, Jie H, Li X, Shi X, Han X, Luo X, Song R, Chen Y, Liang J, Wu S, He Y, Sun E. Attenuation of rheumatoid arthritis through the inhibition of caspase3/GSDME-mediated pyroptosis induced by TNF-α. Arthritis Rheumatol 2021; 74:427-440. [PMID: 34480835 PMCID: PMC9305212 DOI: 10.1002/art.41963] [Citation(s) in RCA: 51] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2021] [Revised: 07/25/2021] [Accepted: 08/31/2021] [Indexed: 12/02/2022]
Abstract
Objective To determine the role of gasdermin E (GSDME)–mediated pyroptosis in the pathogenesis and progression of rheumatoid arthritis (RA), and to explore the potential of GSDME as a therapeutic target in RA. Methods The expression and activation of caspase 3 and GSDME in the synovium, macrophages, and monocytes of RA patients were determined by immunohistochemistry, immunofluorescence, and Western blot analysis. The correlation of activated GSDME with RA disease activity was evaluated. The pyroptotic ability of monocytes from RA patients was tested, and the effect of tumor necrosis factor (TNF) on caspase 3/GSDME‐mediated pyroptosis of monocytes and macrophages was investigated. In addition, collagen‐induced arthritis (CIA) was induced in mice lacking Gsdme, and the incidence and severity of arthritis were assessed. Results Compared to cells from healthy controls, monocytes and synovial macrophages from RA patients showed increased expression of activated caspase 3, GSDME, and the N‐terminal fragment of GSDME (GSDME‐N). The expression of GSDME‐N in monocytes from RA patients correlated positively with disease activity. Monocytes from RA patients with higher GSDME levels were more susceptible to pyroptosis. Furthermore, TNF induced pyroptosis in monocytes and macrophages by activating the caspase 3/GSDME pathway. The use of a caspase 3 inhibitor and silencing of GSDME significantly blocked TNF‐induced pyroptosis. Gsdme deficiency effectively alleviated arthritis in a mouse model of CIA. Conclusion These results support the notion of a pathogenic role of GSDME in RA and provide an alternative mechanism for RA pathogenesis involving TNF, which activates GSDME‐mediated pyroptosis of monocytes and macrophages in RA. In addition, targeting GSDME might be a potential therapeutic approach for RA.
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Affiliation(s)
- Zeqing Zhai
- Department of Rheumatology and Immunology, The Third Affiliated Hospital, Southern Medical University, Guangzhou, China.,Guangdong Provincial Key Laboratory of Bone and Joint Degeneration Diseases, Guangzhou, China.,Department of Rheumatology and Immunology, Center for Orthopaedic Surgery, The Third Affiliated Hospital of Southern Medical University, Guangzhou, China
| | - Fangyuan Yang
- Department of Rheumatology and Immunology, The Third Affiliated Hospital, Southern Medical University, Guangzhou, China.,Guangdong Provincial Key Laboratory of Bone and Joint Degeneration Diseases, Guangzhou, China.,Department of Rheumatology and Immunology, Center for Orthopaedic Surgery, The Third Affiliated Hospital of Southern Medical University, Guangzhou, China
| | - Wenchao Xu
- Department of Rheumatology and Immunology, The Third Affiliated Hospital, Southern Medical University, Guangzhou, China.,Guangdong Provincial Key Laboratory of Bone and Joint Degeneration Diseases, Guangzhou, China.,Department of Rheumatology and Immunology, Center for Orthopaedic Surgery, The Third Affiliated Hospital of Southern Medical University, Guangzhou, China
| | - Jiaochan Han
- Department of Rheumatology and Immunology, The Third Affiliated Hospital, Southern Medical University, Guangzhou, China.,Guangdong Provincial Key Laboratory of Bone and Joint Degeneration Diseases, Guangzhou, China.,Department of Rheumatology and Immunology, Center for Orthopaedic Surgery, The Third Affiliated Hospital of Southern Medical University, Guangzhou, China
| | - Guihu Luo
- Department of Rheumatology and Immunology, The Third Affiliated Hospital, Southern Medical University, Guangzhou, China.,Guangdong Provincial Key Laboratory of Bone and Joint Degeneration Diseases, Guangzhou, China.,Department of Rheumatology and Immunology, Center for Orthopaedic Surgery, The Third Affiliated Hospital of Southern Medical University, Guangzhou, China
| | - Yehao Li
- Department of Rheumatology and Immunology, The Third Affiliated Hospital, Southern Medical University, Guangzhou, China.,Guangdong Provincial Key Laboratory of Bone and Joint Degeneration Diseases, Guangzhou, China.,Department of Rheumatology and Immunology, Center for Orthopaedic Surgery, The Third Affiliated Hospital of Southern Medical University, Guangzhou, China
| | - Jian Zhuang
- Department of Rheumatology and Immunology, The Third Affiliated Hospital, Southern Medical University, Guangzhou, China.,Guangdong Provincial Key Laboratory of Bone and Joint Degeneration Diseases, Guangzhou, China.,Department of Rheumatology and Immunology, Center for Orthopaedic Surgery, The Third Affiliated Hospital of Southern Medical University, Guangzhou, China
| | - Hongyu Jie
- Department of Rheumatology and Immunology, The Third Affiliated Hospital, Southern Medical University, Guangzhou, China.,Guangdong Provincial Key Laboratory of Bone and Joint Degeneration Diseases, Guangzhou, China.,Department of Rheumatology and Immunology, Center for Orthopaedic Surgery, The Third Affiliated Hospital of Southern Medical University, Guangzhou, China
| | - Xing Li
- Department of Rheumatology and Immunology, The Third Affiliated Hospital, Southern Medical University, Guangzhou, China.,Guangdong Provincial Key Laboratory of Bone and Joint Degeneration Diseases, Guangzhou, China.,Department of Rheumatology and Immunology, Center for Orthopaedic Surgery, The Third Affiliated Hospital of Southern Medical University, Guangzhou, China
| | - Xingliang Shi
- Department of Rheumatology and Immunology, The Third Affiliated Hospital, Southern Medical University, Guangzhou, China.,Guangdong Provincial Key Laboratory of Bone and Joint Degeneration Diseases, Guangzhou, China.,Department of Rheumatology and Immunology, Center for Orthopaedic Surgery, The Third Affiliated Hospital of Southern Medical University, Guangzhou, China
| | - Xinai Han
- Department of Rheumatology and Immunology, The Third Affiliated Hospital, Southern Medical University, Guangzhou, China.,Guangdong Provincial Key Laboratory of Bone and Joint Degeneration Diseases, Guangzhou, China.,Department of Rheumatology and Immunology, Center for Orthopaedic Surgery, The Third Affiliated Hospital of Southern Medical University, Guangzhou, China
| | - Xiaoqing Luo
- Department of Rheumatology and Immunology, The Third Affiliated Hospital, Southern Medical University, Guangzhou, China.,Guangdong Provincial Key Laboratory of Bone and Joint Degeneration Diseases, Guangzhou, China.,Department of Rheumatology and Immunology, Center for Orthopaedic Surgery, The Third Affiliated Hospital of Southern Medical University, Guangzhou, China
| | - Rui Song
- Department of Rheumatology and Immunology, The Third Affiliated Hospital, Southern Medical University, Guangzhou, China.,Guangdong Provincial Key Laboratory of Bone and Joint Degeneration Diseases, Guangzhou, China.,Department of Rheumatology and Immunology, Center for Orthopaedic Surgery, The Third Affiliated Hospital of Southern Medical University, Guangzhou, China
| | - Yonghong Chen
- Department of Rheumatology and Immunology, The Third Affiliated Hospital, Southern Medical University, Guangzhou, China.,Guangdong Provincial Key Laboratory of Bone and Joint Degeneration Diseases, Guangzhou, China.,Department of Rheumatology and Immunology, Center for Orthopaedic Surgery, The Third Affiliated Hospital of Southern Medical University, Guangzhou, China
| | - Jianheng Liang
- Department of Rheumatology and Immunology, The Third Affiliated Hospital, Southern Medical University, Guangzhou, China.,Guangdong Provincial Key Laboratory of Bone and Joint Degeneration Diseases, Guangzhou, China.,Department of Rheumatology and Immunology, Center for Orthopaedic Surgery, The Third Affiliated Hospital of Southern Medical University, Guangzhou, China
| | - Shufan Wu
- Department of Rheumatology and Immunology, The Third Affiliated Hospital, Southern Medical University, Guangzhou, China.,Guangdong Provincial Key Laboratory of Bone and Joint Degeneration Diseases, Guangzhou, China.,Department of Rheumatology and Immunology, Center for Orthopaedic Surgery, The Third Affiliated Hospital of Southern Medical University, Guangzhou, China
| | - Yi He
- Department of Rheumatology and Immunology, The Third Affiliated Hospital, Southern Medical University, Guangzhou, China.,Guangdong Provincial Key Laboratory of Bone and Joint Degeneration Diseases, Guangzhou, China.,Department of Rheumatology and Immunology, Center for Orthopaedic Surgery, The Third Affiliated Hospital of Southern Medical University, Guangzhou, China
| | - Erwei Sun
- Department of Rheumatology and Immunology, The Third Affiliated Hospital, Southern Medical University, Guangzhou, China.,Guangdong Provincial Key Laboratory of Bone and Joint Degeneration Diseases, Guangzhou, China.,Department of Rheumatology and Immunology, Center for Orthopaedic Surgery, The Third Affiliated Hospital of Southern Medical University, Guangzhou, China
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Wu YH, Kuo CF, Hsieh AH, Hsieh HL, Chan YF, Hwang TL. Upregulation of miR-210-5p impairs dead cell clearance by macrophages through the inhibition of Sp1-and HSCARG-dependent NADPH oxidase pathway. Free Radic Biol Med 2021; 172:441-450. [PMID: 34197940 DOI: 10.1016/j.freeradbiomed.2021.06.029] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Revised: 06/23/2021] [Accepted: 06/26/2021] [Indexed: 12/11/2022]
Abstract
The deficiency of dead cell clearance is a prominent pathogenic factor in systemic lupus erythematosus (SLE). In this study, the overexpression of miR-210-5p resulted in the accumulation of secondary necrotic cells (SNECs) in macrophages through the reduction of protein degradation. The upreguation of miR-210-5p inhibited NADPH oxidase (NOX) activation, reactive oxygen species (ROS) generation, and SNEC clearance. miR-210-5p overexpression suppressed Sp1 and HSCARG expression, and the knockdown of SP1 and HSCARG inhibited NOX expression and superoxide production in macrophages. Furthermore, patients with active SLE expressed a higher level of miR-210-5p and lower expression of SP1 and HSCARG in peripheral blood mononuclear cells. In summary, our findings indicate that the upregulation of miR-210-5p increases the accumulation of SNECs through a decrease in the Sp1-and HSCARG-mediated NOX activity and ROS generation in macrophages. Our results also suggest that targeting miR-210-5p may have therapeutic potential for SLE.
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Affiliation(s)
- Yi-Hsuan Wu
- Research Center for Chinese Herbal Medicine, College of Human Ecology, Chang Gung University of Science and Technology, Taoyuan, 333, Taiwan.
| | - Chang-Fu Kuo
- Center for Artificial Intelligence in Medicine, Chang Gung Memorial Hospital, Taoyuan, 333, Taiwan; School of Medicine, Chang Gung University, Taoyuan, 333, Taiwan
| | - Ao-Ho Hsieh
- Division of Rheumatology, Allergy and Immunology, Chang Gung Memorial Hospital, Taoyuan, 333, Taiwan
| | - Hsi-Lung Hsieh
- Research Center for Chinese Herbal Medicine, College of Human Ecology, Chang Gung University of Science and Technology, Taoyuan, 333, Taiwan; Department of Nursing, Division of Basic Medical Sciences, Chang Gung University of Science and Technology, Taoyuan, 333, Taiwan; Department of Neurology, Chang Gung Memorial Hospital, Taoyuan, 333, Taiwan; Graduate Institute of Health Industry Technology, College of Human Ecology, Chang Gung University of Science and Technology, Taoyuan, 333, Taiwan
| | - Yen-Fan Chan
- Research Center for Chinese Herbal Medicine, College of Human Ecology, Chang Gung University of Science and Technology, Taoyuan, 333, Taiwan
| | - Tsong-Long Hwang
- Research Center for Chinese Herbal Medicine, College of Human Ecology, Chang Gung University of Science and Technology, Taoyuan, 333, Taiwan; Graduate Institute of Health Industry Technology, College of Human Ecology, Chang Gung University of Science and Technology, Taoyuan, 333, Taiwan; Graduate Institute of Natural Products, College of Medicine, Chang Gung University, Taoyuan, 333, Taiwan; Department of Anesthesiology, Chang Gung Memorial Hospital, Taoyuan, 333, Taiwan; Department of Chemical Engineering, Ming Chi University of Technology, New Taipei City, 243, Taiwan.
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Patiño-Trives AM, Pérez-Sánchez C, Pérez-Sánchez L, Luque-Tévar M, Ábalos-Aguilera MC, Alcaide-Ruggiero L, Arias-de la Rosa I, Román-Rodríguez C, Seguí P, Espinosa M, Font P, Barbarroja N, Escudero-Contreras A, Antonio González-Reyes J, Manuel Villalba J, Collantes-Estévez E, Aguirre-Zamorano MÁ, López-Pedrera C. Anti-dsDNA Antibodies Increase the Cardiovascular Risk in Systemic Lupus Erythematosus Promoting a Distinctive Immune and Vascular Activation. Arterioscler Thromb Vasc Biol 2021; 41:2417-2430. [PMID: 34320837 DOI: 10.1161/atvbaha.121.315928] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Objective Systemic lupus erythematosus (SLE) is associated to boosted atherosclerosis development and a higher cardiovascular disease risk. This study aimed to delineate the role of anti-double stranded DNA (anti-dsDNA) antibodies on the molecular profile and the activity of immune and vascular cells, as well as on their enhanced cardiovascular risk. Approach and Results Eighty SLE patients were included. Extensive clinical/analytical evaluation was performed, including cardiovascular disease parameters (endothelial function, proatherogenic dyslipidemia, and carotid intima-media thickness). Gene and protein expression profiles were evaluated in monocytes from patients diagnosed positive or negative for anti-dsDNA antibodies by using NanoString and cytokine arrays, respectively. NETosis and circulating inflammatory profile was assessed in both neutrophils and plasma. Positivity and persistence of anti-dsDNA antibodies in SLE patients were associated to endothelial dysfunction, proatherogenic dyslipidemia, and accelerated atherosclerosis. In parallel, anti-dsDNA antibodies were linked to the aberrant activation of innate immune cells, so that anti-dsDNA(+) SLE monocytes showed distinctive gene and protein expression/activity profiles, and neutrophils were more prone to suffer NETosis in comparison with anti-dsDNA(−) patients. Anti-dsDNA(+) patients further displayed altered levels of numerous circulating mediators related to inflammation, NETosis, and cardiovascular risk. In vitro, Ig-dsDNA promoted NETosis on neutrophils, apoptosis on monocytes, modulated the expression of inflammation and thrombosis-related molecules, and induced endothelial activation, at least partially, by FcR (Fc receptor)-binding mechanisms. Conclusions Anti-dsDNA antibodies increase the cardiovascular risk of SLE patients by altering key molecular processes that drive a distinctive and coordinated immune and vascular activation, representing a potential tool in the management of this comorbidity.
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Affiliation(s)
- Alejandra María Patiño-Trives
- Rheumatology Service (A.M.P.-T., C.P.-S., L.P.-S., M.L.-T., M.C.A.-A., L.A.-R., I.A.-d.l.R., C.R.-R., P.F., N.B., A.E.-C., E.C.-E., M.Á.A.-Z., C.L.-P.), Reina Sofia Hospital/Maimonides Institute for Research in Biomedicine of Cordoba/University of Cordoba, Spain
| | - Carlos Pérez-Sánchez
- Rheumatology Service (A.M.P.-T., C.P.-S., L.P.-S., M.L.-T., M.C.A.-A., L.A.-R., I.A.-d.l.R., C.R.-R., P.F., N.B., A.E.-C., E.C.-E., M.Á.A.-Z., C.L.-P.), Reina Sofia Hospital/Maimonides Institute for Research in Biomedicine of Cordoba/University of Cordoba, Spain.,Deparment of Cell Biology, Immunology and Physiology, University of Córdoba, Campus de Excelencia Internacional Agroalimentario ceiA3, Spain (C.P.-S., J.A.G.-R., J.M.V.)
| | - Laura Pérez-Sánchez
- Rheumatology Service (A.M.P.-T., C.P.-S., L.P.-S., M.L.-T., M.C.A.-A., L.A.-R., I.A.-d.l.R., C.R.-R., P.F., N.B., A.E.-C., E.C.-E., M.Á.A.-Z., C.L.-P.), Reina Sofia Hospital/Maimonides Institute for Research in Biomedicine of Cordoba/University of Cordoba, Spain
| | - María Luque-Tévar
- Rheumatology Service (A.M.P.-T., C.P.-S., L.P.-S., M.L.-T., M.C.A.-A., L.A.-R., I.A.-d.l.R., C.R.-R., P.F., N.B., A.E.-C., E.C.-E., M.Á.A.-Z., C.L.-P.), Reina Sofia Hospital/Maimonides Institute for Research in Biomedicine of Cordoba/University of Cordoba, Spain
| | - M Carmen Ábalos-Aguilera
- Rheumatology Service (A.M.P.-T., C.P.-S., L.P.-S., M.L.-T., M.C.A.-A., L.A.-R., I.A.-d.l.R., C.R.-R., P.F., N.B., A.E.-C., E.C.-E., M.Á.A.-Z., C.L.-P.), Reina Sofia Hospital/Maimonides Institute for Research in Biomedicine of Cordoba/University of Cordoba, Spain
| | - Lourdes Alcaide-Ruggiero
- Rheumatology Service (A.M.P.-T., C.P.-S., L.P.-S., M.L.-T., M.C.A.-A., L.A.-R., I.A.-d.l.R., C.R.-R., P.F., N.B., A.E.-C., E.C.-E., M.Á.A.-Z., C.L.-P.), Reina Sofia Hospital/Maimonides Institute for Research in Biomedicine of Cordoba/University of Cordoba, Spain
| | - Iván Arias-de la Rosa
- Rheumatology Service (A.M.P.-T., C.P.-S., L.P.-S., M.L.-T., M.C.A.-A., L.A.-R., I.A.-d.l.R., C.R.-R., P.F., N.B., A.E.-C., E.C.-E., M.Á.A.-Z., C.L.-P.), Reina Sofia Hospital/Maimonides Institute for Research in Biomedicine of Cordoba/University of Cordoba, Spain
| | - Cristóbal Román-Rodríguez
- Rheumatology Service (A.M.P.-T., C.P.-S., L.P.-S., M.L.-T., M.C.A.-A., L.A.-R., I.A.-d.l.R., C.R.-R., P.F., N.B., A.E.-C., E.C.-E., M.Á.A.-Z., C.L.-P.), Reina Sofia Hospital/Maimonides Institute for Research in Biomedicine of Cordoba/University of Cordoba, Spain
| | - Pedro Seguí
- Radiology Service (P.S.), Reina Sofia Hospital/Maimonides Institute for Research in Biomedicine of Cordoba/University of Cordoba, Spain
| | - Mario Espinosa
- Nephrology Service (M.E.), Reina Sofia Hospital/Maimonides Institute for Research in Biomedicine of Cordoba/University of Cordoba, Spain
| | - Pilar Font
- Rheumatology Service (A.M.P.-T., C.P.-S., L.P.-S., M.L.-T., M.C.A.-A., L.A.-R., I.A.-d.l.R., C.R.-R., P.F., N.B., A.E.-C., E.C.-E., M.Á.A.-Z., C.L.-P.), Reina Sofia Hospital/Maimonides Institute for Research in Biomedicine of Cordoba/University of Cordoba, Spain
| | - Nuria Barbarroja
- Rheumatology Service (A.M.P.-T., C.P.-S., L.P.-S., M.L.-T., M.C.A.-A., L.A.-R., I.A.-d.l.R., C.R.-R., P.F., N.B., A.E.-C., E.C.-E., M.Á.A.-Z., C.L.-P.), Reina Sofia Hospital/Maimonides Institute for Research in Biomedicine of Cordoba/University of Cordoba, Spain
| | - Alejandro Escudero-Contreras
- Rheumatology Service (A.M.P.-T., C.P.-S., L.P.-S., M.L.-T., M.C.A.-A., L.A.-R., I.A.-d.l.R., C.R.-R., P.F., N.B., A.E.-C., E.C.-E., M.Á.A.-Z., C.L.-P.), Reina Sofia Hospital/Maimonides Institute for Research in Biomedicine of Cordoba/University of Cordoba, Spain
| | - José Antonio González-Reyes
- Deparment of Cell Biology, Immunology and Physiology, University of Córdoba, Campus de Excelencia Internacional Agroalimentario ceiA3, Spain (C.P.-S., J.A.G.-R., J.M.V.)
| | - José Manuel Villalba
- Deparment of Cell Biology, Immunology and Physiology, University of Córdoba, Campus de Excelencia Internacional Agroalimentario ceiA3, Spain (C.P.-S., J.A.G.-R., J.M.V.)
| | - Eduardo Collantes-Estévez
- Rheumatology Service (A.M.P.-T., C.P.-S., L.P.-S., M.L.-T., M.C.A.-A., L.A.-R., I.A.-d.l.R., C.R.-R., P.F., N.B., A.E.-C., E.C.-E., M.Á.A.-Z., C.L.-P.), Reina Sofia Hospital/Maimonides Institute for Research in Biomedicine of Cordoba/University of Cordoba, Spain
| | - M Ángeles Aguirre-Zamorano
- Rheumatology Service (A.M.P.-T., C.P.-S., L.P.-S., M.L.-T., M.C.A.-A., L.A.-R., I.A.-d.l.R., C.R.-R., P.F., N.B., A.E.-C., E.C.-E., M.Á.A.-Z., C.L.-P.), Reina Sofia Hospital/Maimonides Institute for Research in Biomedicine of Cordoba/University of Cordoba, Spain
| | - Chary López-Pedrera
- Rheumatology Service (A.M.P.-T., C.P.-S., L.P.-S., M.L.-T., M.C.A.-A., L.A.-R., I.A.-d.l.R., C.R.-R., P.F., N.B., A.E.-C., E.C.-E., M.Á.A.-Z., C.L.-P.), Reina Sofia Hospital/Maimonides Institute for Research in Biomedicine of Cordoba/University of Cordoba, Spain
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Saisorn W, Saithong S, Phuengmaung P, Udompornpitak K, Bhunyakarnjanarat T, Visitchanakun P, Chareonsappakit A, Pisitkun P, Chiewchengchol D, Leelahavanichkul A. Acute Kidney Injury Induced Lupus Exacerbation Through the Enhanced Neutrophil Extracellular Traps (and Apoptosis) in Fcgr2b Deficient Lupus Mice With Renal Ischemia Reperfusion Injury. Front Immunol 2021; 12:669162. [PMID: 34248948 PMCID: PMC8269073 DOI: 10.3389/fimmu.2021.669162] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Accepted: 05/31/2021] [Indexed: 12/14/2022] Open
Abstract
Renal ischemia is the most common cause of acute kidney injury (AKI) that might be exacerbate lupus activity through neutrophil extracellular traps (NETs) and apoptosis. Here, the renal ischemia reperfusion injury (I/R) was performed in Fc gamma receptor 2b deficient (Fcgr2b-/-) lupus mice and the in vitro experiments. At 24 h post-renal I/R injury, NETs in peripheral blood neutrophils and in kidneys were detected using myeloperoxidase (MPO), neutrophil elastase (NE) and citrullinated histone H3 (CitH3), as well as kidney apoptosis (activating caspase-3), which were prominent in Fcgr2b-/- mice more compared to wild-type (WT). After 120 h renal-I/R injury, renal NETs (using MPO and NE) were non-detectable, whereas glomerular immunoglobulin (Ig) deposition and serum anti-dsDNA were increased in Fcgr2b-/- mice. These results imply that renal NETs at 24 h post-renal I/R exacerbated the lupus nephritis at 120 h post-renal I/R injury in Fcgr2b-/- lupus mice. Furthermore, a Syk inhibitor attenuated NETs, that activated by phorbol myristate acetate (PMA; a NETs activator) or lipopolysaccharide (LPS; a potent inflammatory stimulator), more prominently in Fcgr2b-/- neutrophils than the WT cells as determined by dsDNA, PAD4 and MPO. In addition, the inhibitors against Syk and PAD4 attenuated lupus characteristics (serum creatinine, proteinuria, and anti-dsDNA) in Fcgr2b-/- mice at 120 h post-renal I/R injury. In conclusion, renal I/R in Fcgr2b-/- mice induced lupus exacerbation at 120 h post-I/R injury partly because Syk-enhanced renal NETs led to apoptosis-induced anti-dsDNA, which was attenuated by a Syk inhibitor.
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Affiliation(s)
- Wilasinee Saisorn
- Medical Microbiology, Interdisciplinary and International Program, Graduate School, Chulalongkorn University, Bangkok, Thailand
- Department of Microbiology, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | - Supichcha Saithong
- Translational Research in Inflammation and Immunology Research Unit (TRIRU), Department of Microbiology, Chulalongkorn University, Bangkok, Thailand
| | - Pornpimol Phuengmaung
- Department of Microbiology, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
- Translational Research in Inflammation and Immunology Research Unit (TRIRU), Department of Microbiology, Chulalongkorn University, Bangkok, Thailand
| | - Kanyarat Udompornpitak
- Translational Research in Inflammation and Immunology Research Unit (TRIRU), Department of Microbiology, Chulalongkorn University, Bangkok, Thailand
| | - Thansita Bhunyakarnjanarat
- Translational Research in Inflammation and Immunology Research Unit (TRIRU), Department of Microbiology, Chulalongkorn University, Bangkok, Thailand
| | - Peerapat Visitchanakun
- Translational Research in Inflammation and Immunology Research Unit (TRIRU), Department of Microbiology, Chulalongkorn University, Bangkok, Thailand
| | - Awirut Chareonsappakit
- Translational Research in Inflammation and Immunology Research Unit (TRIRU), Department of Microbiology, Chulalongkorn University, Bangkok, Thailand
| | - Prapaporn Pisitkun
- Division of Allergy, Immunology, and Rheumatology, Department of Medicine, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
| | - Direkrit Chiewchengchol
- Department of Microbiology, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
- Translational Research in Inflammation and Immunology Research Unit (TRIRU), Department of Microbiology, Chulalongkorn University, Bangkok, Thailand
| | - Asada Leelahavanichkul
- Department of Microbiology, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
- Translational Research in Inflammation and Immunology Research Unit (TRIRU), Department of Microbiology, Chulalongkorn University, Bangkok, Thailand
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Wang F, Younis M, Luo Y, Zhang L, Yuan L. Iguratimod-encapsulating PLGA-NPs induce human multiple myeloma cell death via reactive oxygen species and Caspase-dependent signalling. Int Immunopharmacol 2021; 95:107532. [PMID: 33756230 DOI: 10.1016/j.intimp.2021.107532] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2020] [Revised: 01/28/2021] [Accepted: 02/22/2021] [Indexed: 11/26/2022]
Abstract
Human multiple myeloma (MM) is a currently incurable haematopoietic malignancies. Our research investigate the anti-tumour effect of iguratimod (IGU) encapsulated in poly(lactic-co-glycolic acid) PLGA nanoparticles (IGU-PLGA-NPs) on MM cells in vitro and in vivo. A significant inhibitory effect of IGU-PLGA-NPs on MM cancer cells and MM CSCs was demonstrated by the Cell Counting Kit-8 (CCK-8) assay. Treatment with IGU-PLGA-NPs induced significant cell cycle arrest at G1 in MM cells and reduced tumour colony formation in MM CSCs. Mechanistically, IGU-PLGA-NPs increase apoptosis in MM cells by activating Caspase-dependent signalling pathway to increase the levels of bax, cytochrome c (cyt-c), caspase-9 and caspase-3 proteins. Moreover, IGU-PLGA-NPs effectively increase ROS production assayed using a DCFH-DA fluorescent probe in MM cells. The data indicate that IGU-PLGA-NPs induce a significant reduction in the tumour volume and a marked increase in the survival rate in a mouse model of multiple myeloma. Overall, our findings indicate that IGU-PLGA-NPs are a potential therapeutic strategy that may contribute to the therapy of MM and elimination of MM CSCs in future clinical trials.
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Affiliation(s)
- Faming Wang
- Department of Biochemistry and Molecular Biology, Medical School of Southeast University, # 87 Dingjiaqiao Road, Nanjing 210009, China
| | - Muhammad Younis
- Department of Biochemistry and Molecular Biology, Medical School of Southeast University, # 87 Dingjiaqiao Road, Nanjing 210009, China; Key Laboratory for Developmental Genes and Human Disease, Ministry of Education, Institute of Life Sciences, Southeast University, Nanjing 210096, China
| | - Yao Luo
- Department of Biochemistry and Molecular Biology, Medical School of Southeast University, # 87 Dingjiaqiao Road, Nanjing 210009, China
| | - Le Zhang
- Department of Biochemistry and Molecular Biology, Medical School of Southeast University, # 87 Dingjiaqiao Road, Nanjing 210009, China
| | - Liudi Yuan
- Department of Biochemistry and Molecular Biology, Medical School of Southeast University, # 87 Dingjiaqiao Road, Nanjing 210009, China; Key Laboratory for Developmental Genes and Human Disease, Ministry of Education, Institute of Life Sciences, Southeast University, Nanjing 210096, China.
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Omarjee L, Perrot F, Meilhac O, Mahe G, Bousquet G, Janin A. Immunometabolism at the cornerstone of inflammaging, immunosenescence, and autoimmunity in COVID-19. Aging (Albany NY) 2020; 12:26263-26278. [PMID: 33361522 PMCID: PMC7803547 DOI: 10.18632/aging.202422] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2020] [Accepted: 12/10/2020] [Indexed: 01/10/2023]
Abstract
Inflammaging constitutes the common factor for comorbidities predisposing to severe COVID-19. Inflammaging leads to T-cell senescence, and immunosenescence is linked to autoimmune manifestations in COVID-19. As in SLE, metabolic dysregulation occurs in T-cells. Targeting this T-cell dysfunction opens the field for new therapeutic strategies to prevent severe COVID-19. Immunometabolism-mediated approaches such as rapamycin, metformin and dimethyl fumarate, may optimize COVID-19 treatment of the elderly and patients at risk for severe disease.
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Affiliation(s)
- Loukman Omarjee
- Vascular Medicine Department, CHU Rennes, French National Health and Medical Research (Inserm), Clinical Investigation Center (CIC) 1414, University of Rennes 1, Rennes F-35033, France
- NuMeCan Institute, Exogenous and Endogenous Stress and Pathological Responses in Hepato-Gastrointestinal Diseases (EXPRES) Team, French National Health and Medical Research (Inserm) U1241, University of Rennes 1, Rennes F-35033, France
| | | | - Olivier Meilhac
- University of Reunion Island, INSERM, UMR 1188 Reunion, Indian Ocean Diabetic Atherothrombosis Therapies (DéTROI), CHU de La Réunion, Saint-Denis de La Réunion F-97400, France
| | - Guillaume Mahe
- Vascular Medicine Department, CHU Rennes, French National Health and Medical Research (Inserm), Clinical Investigation Center (CIC) 1414, University of Rennes 1, Rennes F-35033, France
| | - Guilhem Bousquet
- AP-HP Hôpital Avicenne, Oncologie Médicale, Bobigny F-93000, France
- Sorbonne University Paris Nord, INSERM, U942, Cardiovascular Markers in Stressed Conditions, MASCOT, Bobigny F-93000, France
| | - Anne Janin
- Sorbonne University Paris Nord, INSERM, U942, Cardiovascular Markers in Stressed Conditions, MASCOT, Bobigny F-93000, France
- Department of Pathology, Paris Diderot University, Sorbonne Paris Cité, Paris F-75010, France
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Williams TL, Rada B, Tandon E, Gestal MC. "NETs and EETs, a Whole Web of Mess". Microorganisms 2020; 8:E1925. [PMID: 33291570 PMCID: PMC7761834 DOI: 10.3390/microorganisms8121925] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2020] [Revised: 11/26/2020] [Accepted: 11/30/2020] [Indexed: 12/13/2022] Open
Abstract
Neutrophils and eosinophils are granulocytes that have very distinct functions. Neutrophils are first responders to external threats, and they use different mechanisms to control pathogens. Phagocytosis, reactive oxygen species, and neutrophil extracellular traps (NETs) are some of the mechanisms that neutrophils utilize to fight pathogens. Although there is some controversy as to whether NETs are in fact beneficial or detrimental to the host, it mainly depends on the biological context. NETs can contribute to disease pathogenesis in certain types of diseases, while they are also undeniably critical components of the innate immune response. On the contrary, the role of eosinophils during host immune responses remains to be better elucidated. Eosinophils play an important role during helminthic infections and allergic responses. Eosinophils can function as effector cells in viral respiratory infections, gut bacterial infections, and as modulators of immune responses by driving the balance between Th1 and Th2 responses. In particular, eosinophils have biological activities that appear to be quite similar to those of neutrophils. Both possess bactericidal activity, can activate proinflammatory responses, can modulate adaptive immune responses, can form extracellular traps, and can be beneficial or detrimental to the host according to the underlying pathology. In this review we compare these two cell types with a focus on highlighting their numerous similarities related to extracellular traps.
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Affiliation(s)
- Tyler L. Williams
- Department of Microbiology and Immunology, Louisiana State University (LSU), Health Science Center, Shreveport, LA 71103, USA; (T.L.W.); (E.T.)
| | - Balázs Rada
- Department of Infectious Diseases, University of Georgia, Athens, GA 30302, USA;
| | - Eshaan Tandon
- Department of Microbiology and Immunology, Louisiana State University (LSU), Health Science Center, Shreveport, LA 71103, USA; (T.L.W.); (E.T.)
| | - Monica C. Gestal
- Department of Microbiology and Immunology, Louisiana State University (LSU), Health Science Center, Shreveport, LA 71103, USA; (T.L.W.); (E.T.)
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Cordyceps militaris Induces Immunogenic Cell Death and Enhances Antitumor Immunogenic Response in Breast Cancer. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2020; 2020:9053274. [PMID: 32963576 PMCID: PMC7486645 DOI: 10.1155/2020/9053274] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/02/2020] [Revised: 07/14/2020] [Accepted: 08/18/2020] [Indexed: 01/13/2023]
Abstract
Cordyceps militaris has been widely used as a traditional medicine in East Asia. Its effects against breast cancer have been reported previously. However, whether C. militaris-induced breast cancer cell death is immunogenic remains unelucidated. This study aimed to determine whether ethanolic extracts of C. militaris (CM-EE) could induce immunogenic cell death (ICD) in breast cancer immunotherapy to improve the efficacy of immune checkpoint inhibitors. Human and mouse breast cancer cells were treated with various concentrations of CM-EE for 72 h, and cytotoxicity was measured using the sulforhodamine B assay. Flow cytometry was used to assess cell death with annexin V/7-AAD staining and measure the surface exposure of damage-associated molecular pattern (DAMP) molecules including calreticulin, HSP70, and HSP90. Western blot for cleaved poly (ADP-ribose) polymerase (PARP) was used to confirm apoptotic cell death. The immunogenicity of CM-EE-induced dead cells was evaluated using the CFSE dilution assay. CM-EE reduced the viability of human (MCF7, MDA-MB-231, HS578T, and SKBR3) and mouse (4T1-neu-HA, TUBO-HA, and TUBO-P2J-HA) breast cancer cells. The IC50 was 25–50 µg/ml in human breast cancer cells and 10–50 µg/ml in mouse breast cancer cells at 72 h. CM-EE-treated breast cancer cells were positively stained by annexin V, cleaved PARP, and cleaved caspase 3/7 which were increased upon CM-EE treatment. Surface exposure of DAMP molecules was increased in dose- and time-dependent manners. The CFSE dilution assay revealed that dendritic cells fed with CM-EE-treated breast cancer cells successfully stimulated tumor-specific T cell proliferation without inhibiting DC function and T cell proliferation. The expression of PD-L1 mRNA and protein level was increased in dose-dependent manners. In addition, CM-EE also potentiated the cytotoxic activity of tumor-specific T cells. CM-EE can induce immunogenic and apoptotic cell death in breast cancer cells, and it is a good candidate for cancer immunotherapy and may improve the efficacy of immune checkpoint inhibitors.
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Protection of MCC950 against Alzheimer's disease via inhibiting neuronal pyroptosis in SAMP8 mice. Exp Brain Res 2020; 238:2603-2614. [DOI: 10.1007/s00221-020-05916-6] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2020] [Accepted: 08/31/2020] [Indexed: 12/13/2022]
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Ali MA, Shaker OG, Khalefa AA, Abdelwahed MY, Ali E, Ezzat EM, Elghobary HA, Awaji AA, Fouad NA, Ayoub SE. Serum long noncoding RNAs FAS-AS1 & PVT1 are novel biomarkers for systemic lupus erythematous. Br J Biomed Sci 2020; 77:208-212. [PMID: 32614682 DOI: 10.1080/09674845.2020.1765459] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Background: Systemic Lupus Erythematous (SLE) is a chronic systemic autoimmune disorder whose diagnosis depends on combination of multiple factors. Circulating lncRNAs could serve as diagnostic non-invasive biomarkers for SLE. We hypothesised that serum FAS-AS1 and PVT1 are new biomarkers for SLE that relate to clinical features and laboratory markers. Materials and Method: Measurement of serum FAS-AS1 & PVT1 by qRT-PCR, analysis of the association between two RNAs and the clinical data, activity index and laboratory markers by standard routine methods. Results: There was a significant relative increased serum FAS-AS1 (median (IQR) 2.19 (0.13-8.62) and a significant reduced PVT1 (median (IQR) 0.52 (0.01-7.55) in SLE patients compared to controls (P < 0.0001 for FAS-AS1 and = 0.007 for PVT1). Serum FAS-AS1 and PVT1 were positively correlated (r= 0.37, P = 0.001). Higher FAS-AS1 was significantly linked with nephritis (P = 0.011), positive anti-dsDNA (P= 0.01) and lower serum PVT1 was significantly associated with oral ulcers (P= 0.023), photosensitivity (P= 0.017), and neurological manifestations (P= 0.041). Serum PVT1 negatively correlated with age (r= -0.52, P< 0.0001) and ESR level (r= -0.29, P= 0.011) in SLE patients. No correlation between disease activity and serum FAS-AS1 or PVT1 was detected. Conclusions: Our study provides evidence that serum FAS-AS1 and PVT1 are new biomarkers for SLE.
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Affiliation(s)
- M A Ali
- Department of Medical Biochemistry and Molecular Biology, Faculty of Medicine, Fayoum University Fayoum, Egypt
| | - O G Shaker
- Department of Medical Biochemistry and Molecular Biology, Faculty of Medicine, Cairo University , Cairo, Egypt
| | - A A Khalefa
- Department of Physiology, Faculty of Medicine, Zagazig University , Zagazig, Egypt
| | - M Y Abdelwahed
- Department of Physiology, Faculty of Medicine, Fayoum University , Fayoum, Egypt
| | - Egi Ali
- Department of Medical Microbiology and Immunology, Faculty of Medicine, Fayoum University , Fayoum, Egypt
| | - E M Ezzat
- Department of Internal Medicine, Faculty of Medicine, Fayoum University , Fayoum, Egypt
| | - H A Elghobary
- Department of Clinical and Chemical Pathology, Faculty of Medicine, Cairo University , Cairo, Egypt
| | - A A Awaji
- University of Tabuk, University College of Taymaa, Faculty of Science, Biology Department , Tabuk, Saudi Arabia
| | - N A Fouad
- Faculty of Medicine, Department of Rheumatology and Rehabilitation, Fayoum University , Fayoum 63514, Egypt
| | - S E Ayoub
- Department of Medical Biochemistry and Molecular Biology, Faculty of Medicine, Fayoum University Fayoum, Egypt
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Hachim MY, Khalil BA, Elemam NM, Maghazachi AA. Pyroptosis: The missing puzzle among innate and adaptive immunity crosstalk. J Leukoc Biol 2020; 108:323-338. [PMID: 32083338 DOI: 10.1002/jlb.3mir0120-625r] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2019] [Revised: 01/23/2020] [Accepted: 01/27/2020] [Indexed: 12/11/2022] Open
Abstract
Pyroptosis is a newly discovered programmed cell death with inflammasome formation. Pattern recognition receptors that identify repetitive motifs of prospective pathogens such as LPS of gram-negative bacteria are crucial to pyroptosis. Upon stimulation by pathogen-associated molecular patterns or damage-associated molecular patterns, proinflammatory cytokines, mainly IL-1 family members IL-1β and IL-18, are released through pyroptosis specific pore-forming protein, gasdermin D. Even though IL-1 family members are mainly involved in innate immunity, they can be factors in adaptive immunity. Given the importance of IL-1 family members in health and diseases, deciphering the role of pyroptosis in the regulation of innate and adaptive immunity is of great importance, especially with the recent progress in identifying the exact mechanism of such a pathway. In this review, we will focus on how the innate inflammatory mediators can regulate the adaptive immune system and vice versa via pyroptosis.
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Affiliation(s)
- Mahmood Y Hachim
- Department of Clinical Sciences, College of Medicine, and the Sharjah Institute for Medical Research (SIMR), University of Sharjah, Sharjah, United Arab Emirates
| | - Bariaa A Khalil
- Department of Clinical Sciences, College of Medicine, and the Sharjah Institute for Medical Research (SIMR), University of Sharjah, Sharjah, United Arab Emirates
| | - Noha M Elemam
- Department of Clinical Sciences, College of Medicine, and the Sharjah Institute for Medical Research (SIMR), University of Sharjah, Sharjah, United Arab Emirates
| | - Azzam A Maghazachi
- Department of Clinical Sciences, College of Medicine, and the Sharjah Institute for Medical Research (SIMR), University of Sharjah, Sharjah, United Arab Emirates
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