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Liu X, Wu J, Nie H, Zhu X, Song G, Han L, Qin W. Comprehensive Analysis of circRNAs, miRNAs, and mRNAs Expression Profiles and ceRNA Networks in Decidua of Unexplained Recurrent Spontaneous Abortion. Front Genet 2022; 13:858641. [PMID: 35711933 PMCID: PMC9194479 DOI: 10.3389/fgene.2022.858641] [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: 01/22/2022] [Accepted: 05/06/2022] [Indexed: 11/21/2022] Open
Abstract
The diagnosis and treatment of unexplained recurrent spontaneous abortion (URSA) are subject to debate, because the exact underlying mechanisms remain unclear. To address this issue, we elucidated the expression profiles of dysregulated circRNAs, miRNAs, and mRNAs and constructed circRNA-associated competitive endogenous RNA (ceRNA) networks by comparing the decidua of URSA with that of normal early pregnancy (NEP) using RNA-sequencing. In total, 550 mRNAs, 88 miRNAs, and 139 circRNAs were differentially expressed (DE) in decidua of URSA. Functional annotation revealed that DE mRNAs as well as potential target genes of DE miRNAs and DE circRNAs are mainly involved in immunologic function, such as antigen processing and presentation, allograft rejection, and T cell receptor signaling pathway. In addition, the top hub genes, including CCL4, DDX58, CXCL10, CXCL9, MX1, CD44, RPS2, SOCS3, RPS3A, and CXCL11, were identified. The mRNAs involved in ceRNA network were enriched in complement and coagulation cascades and protein processing in the endoplasmic reticulum. We found that circRNAs in the ceRNA network, which acted as decoys for hsa-miR-204-5p, were positively correlated with MFGE8 expression. Collectively, the results demonstrated that circRNAs, miRNAs, and mRNAs were aberrantly expressed in the decidua of patients with URSA and played a potential role in the development of URSA. Thus, the establishment of the ceRNA network may profoundly affect the diagnosis and therapy of URSA in the future.
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Affiliation(s)
- Xiaohua Liu
- NHC Key Laboratory of Male Reproduction and Genetics, Guangzhou, China.,Department of Center Laboratory, Guangdong Provincial Reproductive Science Institute (Guangdong Provincial Fertility Hospital), Guangzhou, China
| | - Jiabao Wu
- NHC Key Laboratory of Male Reproduction and Genetics, Guangzhou, China.,Department of Center Laboratory, Guangdong Provincial Reproductive Science Institute (Guangdong Provincial Fertility Hospital), Guangzhou, China
| | - Hua Nie
- NHC Key Laboratory of Male Reproduction and Genetics, Guangzhou, China.,Department of Center Laboratory, Guangdong Provincial Reproductive Science Institute (Guangdong Provincial Fertility Hospital), Guangzhou, China
| | - Xiaoli Zhu
- NHC Key Laboratory of Male Reproduction and Genetics, Guangzhou, China.,Reproductive Medicine Center, Guangdong Provincial Reproductive Science Institute (Guangdong Provincial Fertility Hospital), Guangzhou, China
| | - Ge Song
- NHC Key Laboratory of Male Reproduction and Genetics, Guangzhou, China.,Reproductive Medicine Center, Guangdong Provincial Reproductive Science Institute (Guangdong Provincial Fertility Hospital), Guangzhou, China
| | - Lu Han
- NHC Key Laboratory of Male Reproduction and Genetics, Guangzhou, China.,Department of Center Laboratory, Guangdong Provincial Reproductive Science Institute (Guangdong Provincial Fertility Hospital), Guangzhou, China
| | - Weibing Qin
- NHC Key Laboratory of Male Reproduction and Genetics, Guangzhou, China.,Department of Center Laboratory, Guangdong Provincial Reproductive Science Institute (Guangdong Provincial Fertility Hospital), Guangzhou, China
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Marazuela P, Solé M, Bonaterra-Pastra A, Pizarro J, Camacho J, Martínez-Sáez E, Kuiperij HB, Verbeek MM, de Kort AM, Schreuder FHBM, Klijn CJM, Castillo-Ribelles L, Pancorbo O, Rodríguez-Luna D, Pujadas F, Delgado P, Hernández-Guillamon M. MFG-E8 (LACTADHERIN): a novel marker associated with cerebral amyloid angiopathy. Acta Neuropathol Commun 2021; 9:154. [PMID: 34530925 PMCID: PMC8444498 DOI: 10.1186/s40478-021-01257-9] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Accepted: 09/04/2021] [Indexed: 02/08/2023] Open
Abstract
Brain accumulation of amyloid-beta (Aβ) is a crucial feature in Alzheimer´s disease (AD) and cerebral amyloid angiopathy (CAA), although the pathophysiological relationship between these diseases remains unclear. Numerous proteins are associated with Aβ deposited in parenchymal plaques and/or cerebral vessels. We hypothesized that the study of these proteins would increase our understanding of the overlap and biological differences between these two pathologies and may yield new diagnostic tools and specific therapeutic targets. We used a laser capture microdissection approach combined with mass spectrometry in the APP23 transgenic mouse model of cerebral-β-amyloidosis to specifically identify vascular Aβ-associated proteins. We focused on one of the main proteins detected in the Aβ-affected cerebrovasculature: MFG-E8 (milk fat globule-EGF factor 8), also known as lactadherin. We first validated the presence of MFG-E8 in mouse and human brains. Immunofluorescence and immunoblotting studies revealed that MFG-E8 brain levels were higher in APP23 mice than in WT mice. Furthermore, MFG-E8 was strongly detected in Aβ-positive vessels in human postmortem CAA brains, whereas MFG-E8 was not present in parenchymal Aβ deposits. Levels of MFG-E8 were additionally analysed in serum and cerebrospinal fluid (CSF) from patients diagnosed with CAA, patients with AD and control subjects. Whereas no differences were found in MFG-E8 serum levels between groups, MFG-E8 concentration was significantly lower in the CSF of CAA patients compared to controls and AD patients. Finally, in human vascular smooth muscle cells MFG-E8 was protective against the toxic effects of the treatment with the Aβ40 peptide containing the Dutch mutation. In summary, our study shows that MFG-E8 is highly associated with CAA pathology and highlights MFG-E8 as a new CSF biomarker that could potentially be used to differentiate cerebrovascular Aβ pathology from parenchymal Aβ deposition.
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Affiliation(s)
- Paula Marazuela
- Neurovascular Research Laboratory, Vall d'Hebron Research Institute, Hospital Universitari Vall d´Hebron, Universitat Autónoma de Barcelona, Pg. Vall d´Hebron, 119-129, 08035, Barcelona, Spain
| | - Montse Solé
- Neurovascular Research Laboratory, Vall d'Hebron Research Institute, Hospital Universitari Vall d´Hebron, Universitat Autónoma de Barcelona, Pg. Vall d´Hebron, 119-129, 08035, Barcelona, Spain
| | - Anna Bonaterra-Pastra
- Neurovascular Research Laboratory, Vall d'Hebron Research Institute, Hospital Universitari Vall d´Hebron, Universitat Autónoma de Barcelona, Pg. Vall d´Hebron, 119-129, 08035, Barcelona, Spain
| | - Jesús Pizarro
- Neurovascular Research Laboratory, Vall d'Hebron Research Institute, Hospital Universitari Vall d´Hebron, Universitat Autónoma de Barcelona, Pg. Vall d´Hebron, 119-129, 08035, Barcelona, Spain
| | - Jessica Camacho
- Pathology Department, Vall d'Hebron University Hospital, Universitat Autònoma de Barcelona, Barcelona, Spain
| | - Elena Martínez-Sáez
- Pathology Department, Vall d'Hebron University Hospital, Universitat Autònoma de Barcelona, Barcelona, Spain
| | - H Bea Kuiperij
- Department of Neurology, Donders Institute for Brain, Cognition and Behaviour, Radboud Alzheimer Centre, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Marcel M Verbeek
- Department of Neurology, Donders Institute for Brain, Cognition and Behaviour, Radboud Alzheimer Centre, Radboud University Medical Center, Nijmegen, The Netherlands
- Department of Laboratory Medicine, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Anna M de Kort
- Department of Neurology, Donders Institute for Brain, Cognition and Behaviour, Radboud Alzheimer Centre, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Floris H B M Schreuder
- Department of Neurology, Donders Institute for Brain, Cognition and Behaviour, Radboud Alzheimer Centre, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Catharina J M Klijn
- Department of Neurology, Donders Institute for Brain, Cognition and Behaviour, Radboud Alzheimer Centre, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Laura Castillo-Ribelles
- Clinical Biochemistry Department, Vall d'Hebron University Hospital, Universitat Autònoma de Barcelona, Barcelona, Spain
| | - Olalla Pancorbo
- Stroke Unit, Department of Neurology, Vall d'Hebron University Hospital, Barcelona, Spain
| | - David Rodríguez-Luna
- Stroke Unit, Department of Neurology, Vall d'Hebron University Hospital, Barcelona, Spain
| | - Francesc Pujadas
- Neurology Department, Dementia Unit, Vall d'Hebron University Hospital, Barcelona, Spain
| | - Pilar Delgado
- Neurovascular Research Laboratory, Vall d'Hebron Research Institute, Hospital Universitari Vall d´Hebron, Universitat Autónoma de Barcelona, Pg. Vall d´Hebron, 119-129, 08035, Barcelona, Spain
| | - Mar Hernández-Guillamon
- Neurovascular Research Laboratory, Vall d'Hebron Research Institute, Hospital Universitari Vall d´Hebron, Universitat Autónoma de Barcelona, Pg. Vall d´Hebron, 119-129, 08035, Barcelona, Spain.
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3
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Ushikubo M, Saito S, Kikuchi J, Takeshita M, Yoshimoto K, Yasuoka H, Yamaoka K, Seki N, Suzuki K, Oshima H, Takeuchi T. Milk fat globule epidermal growth factor 8 (MFG-E8) on monocytes is a novel biomarker of disease activity in systemic lupus erythematosus. Lupus 2020; 30:61-69. [PMID: 33115371 DOI: 10.1177/0961203320967761] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
BACKGROUND Milk fat globule epidermal growth factor (MFG-E8) is related secreted protein which links phosphatidylserine on apoptotic cells and integrin αvβ3/5 on phagocytes. To clarify the clinical significance of MFG-E8 in SLE, we analyzed the correlation between expression level of MFG-E8 in circulating phagocytic leukocytes and clinical parameters of patients. METHODS The study was conducted under a multi-center, prospective cohort design. Patients with one or both BILAG A or B, or SLEDAI- 2 K ≥ 4 with clinical symptoms were defined as the active SLE group. Expression of MFG-E8 on monocytes and concentration in serum were measured by FACS and ELISA, respectively. RESULTS 96 subjects were enrolled. The absolute number and proportion of MFG-E8-positive monocytes to total monocytes were significantly higher in the active SLE group (p < 0.01). Importantly, the proportion was also significantly correlated with SLEDAI-2K, clinical SLEDAI, as well as serum levels of anti-ds-DNA antibody and complement and C1q. In addition, the proportion of MFG-E8-positive monocytes to total monocytes was significantly decreased from baseline in active SLE patients after 6 months' treatment and increased concordantly with disease activity in 6 refractory cases. Further, in receiver operating characteristic curve analysis for discrimination between active and inactive SLE, the AUC of the proportion of MFG-E8 was 0.854, which was equivalent to classical activity markers such as anti-ds DNA antibody (0.776), complement (0.897) and C1q (0.815). CONCLUSIONS The proportion of MFG-E8-positive monocytes to total monocytes in peripheral blood was positively associated with disease activity in SLE and may be a novel biomarker of disease activity.
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Affiliation(s)
- Mari Ushikubo
- Department of Connective Tissue Disease, National Hospital Organization Tokyo Medical Center, Tokyo, Japan.,Division of Rheumatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Shuntaro Saito
- Division of Rheumatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Jun Kikuchi
- Division of Rheumatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Masaru Takeshita
- Division of Rheumatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Keiko Yoshimoto
- Division of Rheumatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Hidekata Yasuoka
- Division of Rheumatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Kunihiro Yamaoka
- Division of Rheumatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Noriyasu Seki
- Research Unit/Immunology and Inflammation, Mitsubishi Tanabe Pharma Corporation, Yokohama, Japan
| | - Katsuya Suzuki
- Division of Rheumatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
| | - Hisaji Oshima
- Department of Connective Tissue Disease, National Hospital Organization Tokyo Medical Center, Tokyo, Japan
| | - Tsutomu Takeuchi
- Division of Rheumatology, Department of Internal Medicine, Keio University School of Medicine, Tokyo, Japan
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Abstract
Phagocytosis is a pivotal immunological process, and its discovery by Elia Metchnikoff in 1882 was a step toward the establishment of the innate immune system as a separate branch of immunology. Elia Metchnikoff received the Nobel Prize in physiology and medicine for this discovery in 1908. Since its discovery almost 140 years before, phagocytosis remains the hot topic of research in immunology. The phagocytosis research has seen a great advancement since its first discovery. Functionally, phagocytosis is a simple immunological process required to engulf and remove pathogens, dead cells and tumor cells to maintain the immune homeostasis. However, mechanistically, it is a very complex process involving different mechanisms, induced and regulated by several pattern recognition receptors, soluble pattern recognition molecules, scavenger receptors (SRs) and opsonins. These mechanisms involve the formation of phagosomes, their maturation into phagolysosomes causing pathogen destruction or antigen synthesis to present them to major histocompatibility complex molecules for activating an adaptive immune response. Any defect in this mechanism may predispose the host to certain infections and inflammatory diseases (autoinflammatory and autoimmune diseases) along with immunodeficiency. The article is designed to discuss its mechanistic complexity at each level, varying from phagocytosis induction to phagolysosome resolution.
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Affiliation(s)
- Vijay Kumar
- Faculty of Medicine, Children's Health Queensland Clinical Unit, School of Clinical Medicine, Mater Research, University of Queensland, ST Lucia, Brisbane, Queensland, Australia.,Faculty of Medicine, School of Biomedical Sciences, University of Queensland, St Lucia, Brisbane, Queensland, Australia
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5
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Polymorphisms of MFGE8 are associated with susceptibility and clinical manifestations through gene expression modulation in Koreans with systemic lupus erythematosus. Sci Rep 2019; 9:18565. [PMID: 31811237 PMCID: PMC6897915 DOI: 10.1038/s41598-019-55061-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2019] [Accepted: 11/20/2019] [Indexed: 12/22/2022] Open
Abstract
Systemic lupus erythematosus (SLE) is characterized by impaired clearance of apoptotic cells. Milk fat globule epidermal growth factor 8 (MFGE8) is a protein that connects αvβ3 integrin on phagocytic macrophages with phosphatidylserine on apoptotic cells. We investigated whether genetic variation of the MFGE8 gene and serum MFGE8 concentration are associated with SLE. Single nucleotide polymorphisms (SNPs) were genotyped and serum concentrations were analyzed. The rs2271715 C allele and rs3743388 G allele showed higher frequency in SLE than in healthy subjects (HSs). Three haplotypes were found among 4 SNPs (rs4945, rs1878327, rs2271715, and rs3743388): AACG, CGCG, and CGTC. CGCG haplotype was significantly more common in SLE than in HSs. rs4945 was associated with the erythrocyte sedimentation rate and rs1878327 was associated with alopecia, C-reactive protein, complement 3, anti-dsDNA antibody, and high disease activity. rs2271715 and rs3743388 were associated with renal disease, cumulative glucocorticoid dose, and cyclophosphamide and mycophenolate mofetil use. Serum MFGE8 concentrations were significantly higher in SLE than in HSs. Furthermore, the levels of MFGE8 were significantly higher in SLE than HSs of the rs2271715 CC genotype. In conclusion, MFGE8 genetic polymorphisms are associated not only with susceptibility to SLE but also with disease activity through modulation of gene expression.
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Sakata K, Nakayamada S, Miyazaki Y, Kubo S, Ishii A, Nakano K, Tanaka Y. Up-Regulation of TLR7-Mediated IFN-α Production by Plasmacytoid Dendritic Cells in Patients With Systemic Lupus Erythematosus. Front Immunol 2018; 9:1957. [PMID: 30210502 PMCID: PMC6121190 DOI: 10.3389/fimmu.2018.01957] [Citation(s) in RCA: 58] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2018] [Accepted: 08/08/2018] [Indexed: 01/05/2023] Open
Abstract
Objectives: Aberrant and persistent production of interferon-α (IFN-α) by plasmacytoid dendritic cells (pDCs) is known to play a key role in the pathogenesis of systemic lupus erythematosus (SLE). To assess the precise function of pDCs in SLE patients, we investigated the differential regulation of Toll-like receptor 7 (TLR7) and TLR9 responses during IFN-α production by pDCs. Methods: Peripheral blood mononuclear cells (PBMCs) in SLE patients without hydroxychloroquine treatment, rheumatoid arthritis patients and heathy controls were stimulated with TLR7 and TLR9 agonists. To investigate the priming effect by cytokines, PBMCs from healthy controls were pre-treated with various cytokines and stimulated with TLR7 and TLR9 agonists. The IFN-α production in pDCs was detected by flow cytometry. Results: TLR7-mediated IFN-α production was up-regulated and correlated positively with disease activity in SLE. Conversely, TLR9-mediated IFN-α production was down-regulated. Differential regulation of TLR7/9 response in SLE was independent of TLR7 and TLR9 expression levels. Furthermore, in vitro experiments indicated that TLR7-mediated IFN-α production was up-regulated by pre-treatment with type I IFN, whereas TLR9-mediated IFN-α production was down-regulated by pre-treatment with type II IFN. Conclusions: Our study indicates the association between up-regulation of TLR7- mediated IFN-α production by pDCs and disease activity and that TLR7 and TLR9 responses were reversely regulated on pDCs in SLE patients. Thus, type I IFN and TLR7-mediated IFN-α production were involved in a vicious cycle, causing hyper production of IFN-α by pDCs during the pathogenic processes of SLE.
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Affiliation(s)
- Kei Sakata
- First Department of Internal Medicine, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan.,Mitsubishi Tanabe Pharma, Yokohama, Japan
| | - Shingo Nakayamada
- First Department of Internal Medicine, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - Yusuke Miyazaki
- First Department of Internal Medicine, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - Satoshi Kubo
- First Department of Internal Medicine, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - Akina Ishii
- First Department of Internal Medicine, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan.,Mitsubishi Tanabe Pharma, Yokohama, Japan
| | - Kazuhisa Nakano
- First Department of Internal Medicine, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan
| | - Yoshiya Tanaka
- First Department of Internal Medicine, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan
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7
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Schmitz CR, Oehninger S, Genro VK, Chandra N, Lattanzio F, Yu L, Cunha-Filho JS. Alterations in expression of endometrial milk fat globule-EGF factor 8 (MFG-E8) and leukemia inhibitory factor (LIF) in patients with infertility and endometriosis. JBRA Assist Reprod 2017; 21:313-320. [PMID: 28967712 PMCID: PMC5714598 DOI: 10.5935/1518-0557.20170056] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023] Open
Abstract
OBJECTIVE The aim of this study was to compare the endometrial expression of milk fat globule-EGF factor 8 (MFG-E8), its receptor integrin αvβ3, and leukemia inhibitory factor (LIF) in patients with endometriosis and infertility and in healthy fertile patients during the window of implantation. METHODS Five patients with peritoneal endometriosis and infertility (case group) and four healthy fertile patients (control group) were recruited. All patients were either diagnosed with or ruled out for endometriosis by laparoscopic surgery; the case group underwent surgery for infertility investigation and the control group for tubal ligation. Endometrial biopsies were performed in all patients during the window of implantation (LH+8 to LH+10), and then the samples were analyzed by immunochemistry for MFG-E8, integrin αvβ3, and LIF. RESULTS In patients with endometriosis and infertility, expression of MFG-E8 was significantly increased in the glandular epithelium when compared to healthy fertile patients (p<0.001). Moreover, LIF expression was lower in patients with endometriosis and infertility (p<0.05). Nevertheless, we found no difference in integrin αvβ3 expression between the groups (p=0.084). CONCLUSION This study showed for the first time that MFG-E8 expression is impaired in the endometrium of patients with endometriosis and infertility during the window of implantation. Moreover, LIF is also diminished in the endometrium of these patients as shown before.
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Affiliation(s)
- Carla Regina Schmitz
- Graduate Program in Internal Medicine of the Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Sergio Oehninger
- Department of Obstetrics and Gynecology, Eastern Virginia Medical School, The Jones Institute for Reproductive Medicine, Norfolk VA, USA
| | - Vanessa Krebs Genro
- Department of Obstetrics and Gynecology, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Neelima Chandra
- Department of Obstetrics and Gynecology, Eastern Virginia Medical School, The Jones Institute for Reproductive Medicine, Norfolk VA, USA
| | - Frank Lattanzio
- Department of Physiological Sciences, Eastern Virginia Medical School, Norfolk VA, USA
| | - Liang Yu
- Department of Obstetrics and Gynecology, Eastern Virginia Medical School, The Jones Institute for Reproductive Medicine, Norfolk VA, USA
| | - João Sabino Cunha-Filho
- Graduate Program in Internal Medicine of the Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil.,Department of Obstetrics and Gynecology, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
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Kamińska A, Enguita FJ, Stępień EŁ. Lactadherin: An unappreciated haemostasis regulator and potential therapeutic agent. Vascul Pharmacol 2017; 101:21-28. [PMID: 29169950 DOI: 10.1016/j.vph.2017.11.006] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2017] [Revised: 09/19/2017] [Accepted: 11/18/2017] [Indexed: 01/01/2023]
Abstract
Lactadherin is a small (53-66kDa) multifunctional glycoprotein belonging to the secreted extracellular matrix protein family. It has a multi-domain structure and is involved in many biological and physiological processes, including phagocytosis, angiogenesis, atherosclerosis, tissue remodeling, and haemostasis regulation. Lactadherin binds phosphatidylserine (PS)-enriched cell surfaces in a receptor-independent manner. Interaction between lactadherin and PS is crucial for regulation of blood coagulation processes. This review summarizes recent knowledge on the possible role of lactadherin in haemostasis control, emphasizing the great significance of the interaction between lactadherin and PS expressed on activated platelets and extracellular vesicles. The possible role of lactadherin as a therapeutic target and biomarker is also discussed.
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Affiliation(s)
- Agnieszka Kamińska
- Department of Medical Physics, Marian Smoluchowski Institute of Physics, Faculty of Physics, Astronomy and Applied Computer Science, Jagiellonian University, Prof. Stanisława Łojasiewicza 11 Street, Kraków 30-348, Poland.
| | - Francisco J Enguita
- Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa, Av. Prof. Egas Moniz, Lisboa 1649-028, Portugal.
| | - Ewa Ł Stępień
- Department of Medical Physics, Marian Smoluchowski Institute of Physics, Faculty of Physics, Astronomy and Applied Computer Science, Jagiellonian University, Prof. Stanisława Łojasiewicza 11 Street, Kraków 30-348, Poland.
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9
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Kishi C, Motegi SI, Ishikawa O. Elevated serum MFG-E8 level is possibly associated with the presence of high-intensity cerebral lesions on magnetic resonance imaging in patients with systemic lupus erythematosus. J Dermatol 2017; 44:783-788. [PMID: 28266034 DOI: 10.1111/1346-8138.13791] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2016] [Accepted: 01/11/2017] [Indexed: 02/04/2023]
Abstract
Human milk fat globule-EGF factor 8 (MFG-E8), also known as lactadherin, is a secreted glycoprotein that plays essential roles in the clearance of apoptotic cells and angiogenesis. It has been reported that serum MFG-E8 levels are higher in systemic lupus erythematosus (SLE) patients compared with in healthy controls; however, a previous study reported no correlation between serum MFG-E8 levels and SLE disease activity. The objective of this study was to assess serum MFG-E8 levels and their clinical associations in patients with SLE. Serum MFG-E8 levels in 49 Japanese patients with SLE, eight with cutaneous LE, and 28 healthy controls were examined. Serum MFG-E8 levels in SLE patients were significantly higher than those in cutaneous LE patients and healthy individuals. In addition, serum MFG-E8 levels were positively correlated with the SLE Disease Activity Index score, which reflects the disease activity of SLE. Notably, the frequency of the presence of high-intensity cerebral lesions on MRI in the SLE patients with elevated serum MFG-E8 levels was significantly higher than that in SLE patients with normal serum MFG-E8 levels. These findings suggest that elevated serum MFG-E8 levels may be associated with cerebrovascular diseases or neuropsychiatric SLE in patients with SLE, and that the measurement of serum MFG-E8 levels in SLE patients is useful for risk stratification of cerebrovascular disease or cerebrovascular disease-related neuropsychiatric SLE.
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Affiliation(s)
- Chikako Kishi
- Department of Dermatology, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Sei-Ichiro Motegi
- Department of Dermatology, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Osamu Ishikawa
- Department of Dermatology, Gunma University Graduate School of Medicine, Maebashi, Japan
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10
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Sun G, Liu J, Xia G, Zhang L, Li Y, Zhou Z, Lv Y, Wei S, Liu J, Quan J. Reduced serum milk fat globule-epidermal growth factor 8 (MFG-E8) concentrations are associated with an increased risk of microvascular complications in patients with type 2 diabetes. Clin Chim Acta 2017; 466:201-206. [PMID: 28089751 DOI: 10.1016/j.cca.2017.01.013] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2016] [Revised: 01/01/2017] [Accepted: 01/11/2017] [Indexed: 01/29/2023]
Abstract
BACKGROUND The association between serum milk fat globule-epidermal growth factor 8 (MFG-E8) concentrations and vascular complications in T2DM remains unclear. METHODS A total of 149 patients with T2DM were included. The serum concentrations of MFG-E8, glycosylated hemoglobin (HbA1c), and high-sensitivity C-reactive protein (hs-CRP) were measured. RESULTS There was no significant difference in serum MFG-E8 concentrations between the T2DM group and the T2DM with subclinical atherosclerosis (AS) group (615.49±143.54 vs. 596.22±79.46ng/ml, P=0.365), while the serum concentrations of MFG-E8 in the T2DM with microvascular complications group (446.70±61.53ng/ml) and the T2DM with subclinical AS and microvascular complications group (200.87±38.86ng/ml) were significantly lower than those in the T2DM group (P=0.000 for both). In addition, hs-CRP and HbAlc concentrations were independently associated with serum MFG-E8 concentrations (P=0.024 and P=0.01, respectively), and low serum MFG-E8 concentrations were significantly associated with an increased risk of microvascular complications in T2DM patients. CONCLUSIONS Serum concentrations of MFG-E8 were negatively associated with the risk of microvascular complications in patients with T2DM. Thus, it might be a potential candidate biomarker for diabetic microvascular complications.
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Affiliation(s)
- Guohua Sun
- Department of Endocrinology, Gansu Provincial Hospital, Lanzhou, China; Ningxia Medical University, Yinchuan, China
| | - Juxiang Liu
- Department of Endocrinology, Gansu Provincial Hospital, Lanzhou, China; Key Lab of Endocrine and Metabolic Diseases of Gansu Province, Lanzhou, China
| | - Guanghao Xia
- Department of Endocrinology, Gansu Provincial Hospital, Lanzhou, China; Key Lab of Endocrine and Metabolic Diseases of Gansu Province, Lanzhou, China
| | - Lijuan Zhang
- Department of Endocrinology, Gansu Provincial Hospital, Lanzhou, China
| | - Yonghong Li
- Institute of Clinical and Translational Medicine, Gansu Provincial Hospital, Lanzhou, China
| | - Zubang Zhou
- Ultrasonic Diagnostic Center, Gansu Provincial Hospital, Lanzhou, China
| | - Yaya Lv
- Department of Endocrinology, Gansu Provincial Hospital, Lanzhou, China; Key Lab of Endocrine and Metabolic Diseases of Gansu Province, Lanzhou, China
| | - Suhong Wei
- Department of Endocrinology, Gansu Provincial Hospital, Lanzhou, China; Key Lab of Endocrine and Metabolic Diseases of Gansu Province, Lanzhou, China
| | - Jing Liu
- Department of Endocrinology, Gansu Provincial Hospital, Lanzhou, China; Key Lab of Endocrine and Metabolic Diseases of Gansu Province, Lanzhou, China
| | - Jinxing Quan
- Department of Endocrinology, Gansu Provincial Hospital, Lanzhou, China; Key Lab of Endocrine and Metabolic Diseases of Gansu Province, Lanzhou, China.
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11
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Huang W, Wu J, Yang H, Xiong Y, Jiang R, Cui T, Ye D. Milk fat globule-EGF factor 8 suppresses the aberrant immune response of systemic lupus erythematosus-derived neutrophils and associated tissue damage. Cell Death Differ 2016; 24:263-275. [PMID: 27768123 PMCID: PMC5299708 DOI: 10.1038/cdd.2016.115] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2016] [Revised: 08/27/2016] [Accepted: 09/16/2016] [Indexed: 12/14/2022] Open
Abstract
Abnormal features of the systemic lupus erythematosus (SLE)-derived neutrophils, promoted aberrant immune response, have inspired new studies of the induction of autoimmunity and the development of organ damage in SLE. In this study, we explore the effect of milk fat globule-EGF factor 8 (MFG-E8) on the aberrant nitrification features in pristane-induced lupus. SLE patients and mice with pristane-induced lupus develop autoantibodies associated with MFG-E8 overproduction. However, the deletion of MFG-E8 leads to uncontrolled early pulmonary and peritoneal inflammation and tissue damage in mice with pristane-induced lupus. Consistent with these findings, MFG-E8-deficient mice that are exposed to pristane show enhanced neutrophil accumulation and increased neutrophil death, including apoptosis, necrosis and NETosis, as well as impaired phagocytosis of macrophages. The consequences are the expansion of diffuse pulmonary hemorrhage, increased anti-nuclear antibody, anti-dsDNA antibody and anti-neutrophil cytoplasmic antibody levels, and enhanced immune complexes deposition and neutrophil extracellular traps (NETs) formation in the lung and kidney tissues of MFG-E8-deficient mice exposed to pristane. In patients with SLE and mice with pristane-induced lupus, neutrophil accumulation is elevated, which depends on higher expression of the surface receptor CXCR2. After pretreatment with recombinant MFG-E8, the surface expression of CXCR2 on neutrophil is downregulated, and the MFG-E8 deletion increase CXCR2 expression by ~40%. These studies indicate that MFG-E8 reduces neutrophil migration and NETosis via downregulating surface CXCR2 expression in parallel with its role in the phagocytosis of apoptotic neutrophils, suggesting that MFG-E8 may serve as a therapeutic agent for attenuating the early inflammatory responses of SLE and protect patients from lupus-related damage.
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Affiliation(s)
- Wei Huang
- Department of Pathophysiology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,Laboratory of Clinical Immunology, Wuhan No.1 Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jiyuan Wu
- Department of Dermatology, Wuhan No.1 Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Huiqin Yang
- Department of Rheumatology and Immunology, Wuhan No.1 Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yin Xiong
- Department of Laboratory Medicine, Hubei University of Chinese Medicine, Wuhan, China
| | - Rui Jiang
- Laboratory of Clinical Immunology, Wuhan No.1 Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Tianpen Cui
- Laboratory of Clinical Immunology, Wuhan No.1 Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Duyun Ye
- Department of Pathophysiology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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12
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Wu T, Ding H, Han J, Arriens C, Wei C, Han W, Pedroza C, Jiang S, Anolik J, Petri M, Sanz I, Saxena R, Mohan C. Antibody-Array-Based Proteomic Screening of Serum Markers in Systemic Lupus Erythematosus: A Discovery Study. J Proteome Res 2016; 15:2102-14. [PMID: 27211902 DOI: 10.1021/acs.jproteome.5b00905] [Citation(s) in RCA: 44] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A discovery study was carried out where serum samples from 22 systemic lupus erythematosus (SLE) patients and matched healthy controls were hybridized to antibody-coated glass slide arrays that interrogated the level of 274 human proteins. On the basis of these screens, 48 proteins were selected for ELISA-based validation in an independent cohort of 28 SLE patients. Whereas AXL, ferritin, and sTNFRII were significantly elevated in patients with active lupus nephritis (LN) relative to SLE patients who were quiescent, other molecules such as OPN, sTNFRI, sTNFRII, IGFBP2, SIGLEC5, FAS, and MMP10 exhibited the capacity to distinguish SLE from healthy controls with ROC AUC exceeding 90%, all with p < 0.001 significance. These serum markers were next tested in a cohort of 45 LN patients, where serum was obtained at the time of renal biopsy. In these patients, sTNFRII exhibited the strongest correlation with eGFR (r = -0.50, p = 0.0014) and serum creatinine (r = 0.57, p = 0.0001), although AXL, FAS, and IGFBP2 also correlated with these clinical measures of renal function. When concurrent renal biopsies from these patients were examined, serum FAS, IGFBP2, and TNFRII showed significant positive correlations with renal pathology activity index, while sTNFRII displayed the highest correlation with concurrently scored renal pathology chronicity index (r = 0.57, p = 0.001). Finally, in a longitudinal cohort of seven SLE patients examined at ∼3 month intervals, AXL, ICAM-1, IGFBP2, SIGLEC5, sTNFRII, and VCAM-1 demonstrated the ability to track with concurrent disease flare, with significant subject to subject variation. In summary, serum proteins have the capacity to identify patients with active nephritis, flares, and renal pathology activity or chronicity changes, although larger longitudinal cohort studies are warranted.
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Affiliation(s)
- Tianfu Wu
- Department Biomedical Engineering, University of Houston , Houston, Texas 77204, United States
| | - Huihua Ding
- Department Biomedical Engineering, University of Houston , Houston, Texas 77204, United States
| | - Jie Han
- Division of Nephrology/Rheumatology, UT Southwestern Medical Center at Dallas , Dallas, Texas 75390, United States
| | - Cristina Arriens
- Division of Nephrology/Rheumatology, UT Southwestern Medical Center at Dallas , Dallas, Texas 75390, United States
| | - Chungwen Wei
- Division of Rheumatology, Emory University , Atlanta, Georgia 30322, United States
| | - Weilu Han
- Center for Clinical Research and Evidence-Based Medicine, University of Texas Health Science Center at Houston , Houston, Texas 77030, United States
| | - Claudia Pedroza
- Center for Clinical Research and Evidence-Based Medicine, University of Texas Health Science Center at Houston , Houston, Texas 77030, United States
| | - Shan Jiang
- Department Biomedical Engineering, University of Houston , Houston, Texas 77204, United States
| | - Jennifer Anolik
- Division of Rheumatology, University of Rochester , Rochester, New York 14642, United States
| | - Michelle Petri
- Division of Rheumatology, Johns Hopkins University Medical School , Baltimore, Mississippi 21205, United States
| | - Ignacio Sanz
- Division of Rheumatology, Emory University , Atlanta, Georgia 30322, United States
| | - Ramesh Saxena
- Division of Nephrology/Rheumatology, UT Southwestern Medical Center at Dallas , Dallas, Texas 75390, United States
| | - Chandra Mohan
- Department Biomedical Engineering, University of Houston , Houston, Texas 77204, United States
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13
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Milk fat globule E-8 and interleukin 17 in systemic lupus erythematosus: partners in crime? Reumatologia 2016; 53:309-14. [PMID: 27407263 PMCID: PMC4847286 DOI: 10.5114/reum.2015.57636] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2015] [Accepted: 01/09/2016] [Indexed: 12/19/2022] Open
Abstract
Objectives Systemic lupus erythematosus (SLE) is a multi-factorial, autoimmune disease with a wide array of manifestations. The pro-inflammatory cytokine interleukin (IL)-17 has been implicated in the inflammatory response and tissue damage in SLE; however, its correlation with disease activity is still questionable. Meanwhile, efficient clearance of apoptotic cells is required for immune tolerance. An abnormally low or high level of milk fat globule (MFG-E8) can result in impaired apoptotic cell clearance and the subsequent autoimmune response. In this study, we endeavoured to compare the levels of MFG-E8 and IL-17 in SLE patients and healthy controls and to reveal the alleged association of these levels with SLE disease activity. Material and methods Serum samples from 57 SLE patients and 30 healthy control subjects were examined for quantitation of MFG-E8 and IL-17 levels using ELISA. Systemic lupus erythematosus disease activity was calculated using the SLE Disease Activity Index (SLEDAI). Clinical manifestations and laboratory findings of the patients were also recorded. Results We report that serum MFG-E8 levels were significantly elevated in the sera of SLE patients compared to healthy controls (p-value = 0.019). Likewise, IL-17 levels were higher in SLE patients (p-value < 0.001). A positive correlation was revealed between MFG-E8 level and proteinuria. Surprisingly, there was a poor correlation between disease activity and the levels of either IL-17 or MFG-E8. Conclusions Although serum MFG-E8 and IL-17 levels were higher in SLE patients than in normal controls, our results indicate that they cannot accurately reflect the disease activity. Meanwhile, further studies are needed to assess MFG-E8 and IL-17 as potential therapeutic targets in SLE patients.
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14
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Chen CI, Zhang L, Datta SK. Hematopoietic stem and multipotent progenitor cells produce IL-17, IL-21 and other cytokines in response to TLR signals associated with late apoptotic products and augment memory Th17 and Tc17 cells in the bone marrow of normal and lupus mice. Clin Immunol 2015; 162:9-26. [PMID: 26521071 DOI: 10.1016/j.clim.2015.10.007] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2015] [Revised: 10/23/2015] [Accepted: 10/23/2015] [Indexed: 01/05/2023]
Abstract
We studied effects of early and late apoptotic (necroptotic) cell products, related damage associated alarmins and TLR agonists, on hematopoietic stem and progenitor cells (HSPC). Surprisingly, normal HSPC themselves produced IL-17 and IL-21 after 1½days of stimulation, and the best stimulators were TLR 7/8 agonist; HMGB1-DNA; TLR 9 agonist, and necroptotic B cells. The stimulated HSPC expressed additional cytokines/mediators, directly causing rapid expansion of IL-17(+) memory CD4 T (Th17), and CD8 T (Tc17) cells, and antigen-experienced IL-17(+) T cells with "naïve" phenotype. In lupus marrow, HSPC were spontaneously pre-stimulated by endogenous signals to produce IL-17 and IL-21. In contrast to HSPC, megakaryocyte progenitors (MKP) did not produce IL-17, and unlike HSPC, they could process and present particulate apoptotic autoantigens to augment autoimmune memory Th17 response. Thus abnormally stimulated primitive hematopoietic progenitors augment expansion of IL-17 producing immune and autoimmune memory T cells in the bone marrow, which may affect central tolerance.
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Affiliation(s)
- Ching-I Chen
- Division of Rheumatology, Department of Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL 60611, USA
| | - Li Zhang
- Division of Rheumatology, Department of Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL 60611, USA
| | - Syamal K Datta
- Division of Rheumatology, Department of Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL 60611, USA; Department of Microbiology-Immunology, Northwestern University Feinberg School of Medicine, Chicago, IL 60611, USA.
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Jung JY, Suh CH. Incomplete clearance of apoptotic cells in systemic lupus erythematosus: pathogenic role and potential biomarker. Int J Rheum Dis 2015; 18:294-303. [PMID: 25884792 DOI: 10.1111/1756-185x.12568] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Systemic lupus erythematosus (SLE) is a chronic autoimmune disease with repeated inflammation against multiple organs. Although its pathophysiology is not yet unveiled, uncleared apoptotic cells and their accumulation in tissue contribute to the autoimmune disturbance in SLE. Apoptosis is a programmed cell death process, which maintains tissue homeostasis and inhibits the development of any further immune response against apoptotic remnants. Earlier studies revealed that various 'eat-me' signals on apoptotic cells, bridging molecules and their receptors on phagocytes play a role in such a complicated process. Tyro3-Axl-Mer receptors, their bridging molecules, milk fat globulin epidermal growth factor-8, T-cell immunoglobulin mucin domain protein family, scavenger receptors, C1q, and pentraxins were found to be abnormal in SLE. In this review, apoptosis and clearance of its remnants are summarized, and the molecules involved in the incomplete clearance of apoptotic cells in SLE are discussed.
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Affiliation(s)
- Ju-Yang Jung
- Department of Rheumatology, Ajou University School of Medicine, Suwon, Korea
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16
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Radic M. Clearance of Apoptotic Bodies, NETs, and Biofilm DNA: Implications for Autoimmunity. Front Immunol 2014; 5:365. [PMID: 25126089 PMCID: PMC4115591 DOI: 10.3389/fimmu.2014.00365] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2014] [Accepted: 07/15/2014] [Indexed: 12/11/2022] Open
Affiliation(s)
- Marko Radic
- Department of Microbiology, Immunology and Biochemistry, University of Tennessee Health Science Center , Memphis, TN , USA
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