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Tang X, Guo J, Qi F, Rezaei MJ. Role of non-coding RNAs and exosomal non-coding RNAs in vasculitis: A narrative review. Int J Biol Macromol 2024; 261:129658. [PMID: 38266857 DOI: 10.1016/j.ijbiomac.2024.129658] [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: 12/04/2023] [Revised: 01/17/2024] [Accepted: 01/19/2024] [Indexed: 01/26/2024]
Abstract
A category of very uncommon systemic inflammatory blood vessel illnesses known as vasculitides. The pathogenesis and etiology of vasculitis are still poorly known. Despite all of the progress made in understanding the genetics and causes behind vasculitis, there is still more to learn. Epigenetic dysregulation is a significant contributor to immune-mediated illnesses, and epigenetic aberrancies in vasculitis are becoming more widely acknowledged. Less than 2 % of the genome contains protein-encoding DNA. Studies have shown that a variety of RNAs originating from the non-coding genome exist. Long non-coding RNAs (lncRNAs), microRNAs (miRNAs), and circular RNAs (circRNAs) have attracted the most attention in recent years as they are becoming more and more important regulators of different biological processes, such as diseases of the veins. Extracellular vehicles (EVs) such as exosomes, are membrane-bound vesicular structures that break free either during programmed cell death, such as apoptosis, pyroptosis, and necroptosis or during cell activation. Exosomes may be involved in harmful ways in inflammation, procoagulation, autoimmune reactions, endothelial dysfunction/damage, intimal hyperplasia and angiogenesis, all of which may be significant in vasculitis. Herein, we summarized various non-coding RNAs that are involved in vasculitides pathogenesis. Moreover, we highlighted the role of exosomes in vasculitides.
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Affiliation(s)
- Xiuming Tang
- Department of Cardiology, The affiliated hospital to Changchun University of Chinise Medicine, Changchun, Jilin 130021, China.
| | - Jiajuan Guo
- Department of Cardiology, The affiliated hospital to Changchun University of Chinise Medicine, Changchun, Jilin 130021, China
| | - Feng Qi
- Department of Cardiology, The affiliated hospital to Changchun University of Chinise Medicine, Changchun, Jilin 130021, China
| | - Mohammad J Rezaei
- Institute for Immunology and Immune Health, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, United States.
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Prikryl P, Satrapova V, Frydlova J, Hruskova Z, Zima T, Tesar V, Vokurka M. Mass spectrometry-based proteomic exploration of the small urinary extracellular vesicles in ANCA-associated vasculitis in comparison with total urine. J Proteomics 2020; 233:104067. [PMID: 33307252 DOI: 10.1016/j.jprot.2020.104067] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2020] [Revised: 09/11/2020] [Accepted: 11/29/2020] [Indexed: 01/07/2023]
Abstract
ANCA-associated vasculitis (AAV) is a rare, but potentially severe autoimmune disease, even nowadays displaying increased mortality and morbidity. Finding early biomarkers of activity and prognosis is thus very important. Small extracellular vesicles (EVs) isolated from urine can be considered as a non-invasive source of biomarkers. We evaluated several protocols for urinary EV isolation. To eliminate contaminating non-vesicular proteins due to AAV associated proteinuria we used proteinase K treatment. We investigated the differences in proteomes of small EVs of patients with AAV compared to healthy controls by label-free LC-MS/MS. In parallel, we performed an analogous proteomic analysis of urine samples from identical patients. The study results showed significant differences and similarities in both EV and urine proteome, the latter one being highly affected by proteinuria. Using bioinformatics tools we explored differentially changed proteins and their related pathways with a focus on the pathophysiology of AAV. Our findings indicate significant regulation of Golgi enzymes, such as MAN1A1, which can be involved in T cell activation by N-glycans glycosylation and may thus play a key role in pathogenesis and diagnosis of AAV. SIGNIFICANCE: The present study explores for the first time the changes in proteomes of small extracellular vesicles and urine of patients with renal ANCA-associated vasculitis compared to healthy controls by label-free LC-MS/MS. Isolation of vesicles from proteinuric urine samples has been modified to minimize contamination by plasma proteins and to reduce co-isolation of extraluminal proteins. Differentially changed proteins and their related pathways with a role in the pathophysiology of AAV were described and discussed. The results could be helpful for the research of potential biomarkers in renal vasculitis associated with ANCA.
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Affiliation(s)
- Petr Prikryl
- Institute of Pathological Physiology, First Faculty of Medicine, Charles University, Prague, Czech Republic
| | - Veronika Satrapova
- Department of Nephrology, First Faculty of Medicine, Charles University and General University Hospital, Prague, Czech Republic
| | - Jana Frydlova
- Institute of Pathological Physiology, First Faculty of Medicine, Charles University, Prague, Czech Republic
| | - Zdenka Hruskova
- Department of Nephrology, First Faculty of Medicine, Charles University and General University Hospital, Prague, Czech Republic
| | - Tomas Zima
- Institute of Clinical Biochemistry and Laboratory Diagnostics, First Faculty of Medicine, Charles University and General University Hospital, Prague, Czech Republic
| | - Vladimir Tesar
- Department of Nephrology, First Faculty of Medicine, Charles University and General University Hospital, Prague, Czech Republic
| | - Martin Vokurka
- Institute of Pathological Physiology, First Faculty of Medicine, Charles University, Prague, Czech Republic.
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Atmaca MM, Telci A, Dirican A, Gurses C. Could sP-Selectin and sICAM-1 be potential biomarkers in status epilepticus? ACTA ACUST UNITED AC 2019. [DOI: 10.17546/msd.505192] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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Zhang Q, Zhang M, Sun C, Wang H, Tang T, Xia Y, Shao Q, Liu J, Jiang C. Soluble Vascular Cell Adhesion Molecule-1 Is Associated With Disease Activity in Adult-Onset Minimal Change Disease. Am J Med Sci 2019; 357:311-315. [PMID: 30904046 DOI: 10.1016/j.amjms.2019.01.017] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2018] [Revised: 01/21/2019] [Accepted: 01/31/2019] [Indexed: 10/27/2022]
Abstract
BACKGROUND Cell adhesion molecules have been documented to be elevated in numerous immune inflammatory diseases. Minimal change disease (MCD) is an immune disorder. This study aimed to evaluate whether levels of soluble vascular cell adhesion molecule-1 (sVCAM-1) and soluble E-selectin (sE-selectin) reflect disease activity in adult-onset MCD. METHODS A sandwich enzyme-linked immunosorbent assay was used to measure the soluble adhesion molecules in 40 patients with nephrotic-range proteinuria and biopsy-proven MCD, obtained at the time of diagnosis and during remission. Thirty-five age- and sex-matched healthy volunteers served as controls. RESULTS Patients with MCD during the active stage showed significantly higher levels of sVCAM-1 and sE-selectin when compared to controls. Moreover, sVCAM-1 had significantly positive correlations with both urine protein and serum cholesterol, and was negatively associated with serum albumin. Multiple analyses showed that serum albumin was an independent predictor of sVCAM-1. The correlations between sE-selectin and other clinical parameters were not statistically significant. At follow-up, these markers systematically decreased as the disease went into remission, but the increase in sVCAM-1 persisted even in patients obtaining complete remission for 6 months. CONCLUSIONS Patients with active MCD had increased levels of sVCAM-1 and sE-selectin. The correlation between sVCAM-1 and proteinuria, serum albumin and cholesterol and its decline during remission indicate that sVCAM-1 is associated with disease activity.
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Affiliation(s)
- Qingyan Zhang
- Department of Nephrology, Affiliated Drum Tower Hospital, Medical School of Nanjing University, Nanjing, China
| | - Miao Zhang
- Department of Nephrology, Affiliated Drum Tower Hospital, Medical School of Nanjing University, Nanjing, China
| | - Cheng Sun
- Department of Nephrology, Affiliated Drum Tower Hospital, Medical School of Nanjing University, Nanjing, China
| | - Hengjin Wang
- Department of Nephrology, Affiliated Drum Tower Hospital, Medical School of Nanjing University, Nanjing, China
| | - Tianfeng Tang
- Department of Nephrology, Affiliated Drum Tower Hospital, Medical School of Nanjing University, Nanjing, China
| | - Yangyang Xia
- Department of Nephrology, Affiliated Drum Tower Hospital, Medical School of Nanjing University, Nanjing, China
| | - Qiuyuan Shao
- Department of Nephrology, Affiliated Drum Tower Hospital, Medical School of Nanjing University, Nanjing, China
| | - Jing Liu
- Department of Nephrology, Affiliated Drum Tower Hospital, Medical School of Nanjing University, Nanjing, China
| | - Chunming Jiang
- Department of Nephrology, Affiliated Drum Tower Hospital, Medical School of Nanjing University, Nanjing, China.
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González-Suárez I, Ríos-Blanco JJ, Arpa J. Accelerated atherosclerosis in ANCA-associated vasculitis. Acta Neurol Scand 2017; 136:688-693. [PMID: 28608454 DOI: 10.1111/ane.12787] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/18/2017] [Indexed: 02/03/2023]
Abstract
OBJECTIVES Cardiovascular disease, including myocardial infarction and stroke, is a major cause of mortality in ANCA-associated vasculitis (AAV). Although AAV affects small vessels, an accelerated atherosclerosis not explained by traditional cardiovascular risk factors (CVRF) has been demonstrated. We aimed to investigate the association of atherosclerosis measured by carotid intima-media thickness (CIMT) and cerebral small vessel disease in AAV-patients. MATERIALS & METHODS Twenty-three AAV-patients in complete remission were recruited. Carotid ultrasonography (US), transcranial Doppler (TCD), brain magnetic resonance imaging (MRI), and SPECT after intravenous administration of tracer 99mTc-HMPAO (dose: 720MBq) were performed. RESULTS AAV-patients presented higher CIMT compared to normative population. Multivariate linear regression analysis demonstrated an association of higher CIMT with increased pulsatility index in middle cerebral artery (PI-MCA) (P=.011), higher lesion load on ARWMC scale (P=.011) and abnormal SPECT (P=.008). No association between higher CIMT and CVRF (diabetes or hypertension) was demonstrated. Increasing internal carotid artery pulsatility index (PI-ICA) was associated with decreasing mean flow velocity (MFV)-MCA (P=.038), increasing PI-MCA (P=.008) and increasing white matter lesions on MRI (P=.011). CONCLUSIONS Our study adds weight to the presence of increased atherosclerosis in AAV-patients. The association observed between CIMT and PI-ICA with small vessel cerebral disease, points the possible association of easy to use carotid US in predicting microvascular brain injury.
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Affiliation(s)
| | - J. J. Ríos-Blanco
- Internal Medicine Department; Hospital Universitario La Paz; Madrid Spain
| | - J. Arpa
- Neurology Department; Hospital Clínico San Carlos; Madrid Spain
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Atay AE, Esen B, Akbas H, Gokmen ES, Pilten S, Guler H, Yavuz DG. Serum ICAM-1 level and ICAM-1 gene 1462A>G (K469E) polimorphism on microalbuminuria in nondiabetic, nonhypertensive and normolipidemic obese patients: Genetical background of microalbuminuria in obesity. Nefrologia 2017; 37:381-388. [PMID: 28576439 DOI: 10.1016/j.nefro.2016.11.025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2016] [Revised: 08/29/2016] [Accepted: 11/17/2016] [Indexed: 12/01/2022] Open
Abstract
BACKGROUND A growing body of evidence suggest that obese individuals are under risk of renal parenchymal disorders when compared to nonobese counterparts. Microalbuminuria is the early marker of renal involvement. Although most of obese patients carries multiple risk factors for microalbuminuria, some obese individuals without risk factor may progress to microalbuminuria. The present study was performed to examine the role of ICAM-1 gene 1462A>G (K469E) polymorphism on microalbuminuria in obese subjects without diabetes mellitus, hypertension, hiperlipidemia and older age. METHODS Ninety eight obese and 96 nonobese individuals without a comorbidity enrolled into the study. Serum ICAM-1 level was measured by enzyme linked immunoabsorbent assay (ELISA) method. ICAM-1 gene 1462A>G (K469E) polymorphism was examined by restriction fragment length polymorphism-polymerase chain reaction (RFLP-PCR). Nepholometric method was used to examine urinary albumin loss, and microalbuminuria was measured by albumin to creatinine ratio. RESULTS Obese individuals had significantly higher microalbuminuria and proteinuria level compared to nonobese subjects (p: 0.043 and p: 0.011; respectively). GG genotype of ICAM-1 carriers have significantly higher microalbuminuria compared to individuals with AA or AG genotype carriers (p: 0.042). Serum ICAM-1 level was significantly correlated with creatinine and microalbuminuria (p: 0.002 and p: 0.03; respectively). Logistic regression analysis indicated a 7.39 fold increased risk of microalbuminuria in individuals with GG genotype of ICAM-1 gene 1462A>G (K469E) polymorphism. CONCLUSIONS GG genotype of ICAM-1 gene K469E polymorphism is associated with increased microalbuminuria in obese individuals without another metabolic risk factor.
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Affiliation(s)
- Ahmet Engin Atay
- Division of Nephrology, Department of Internal Medicine, Bagcilar Research and Training Hospital, Istanbul, Turkey
| | - Bennur Esen
- Division of Nephrology, Department of Internal Medicine, Acıbadem University School of Medicine, Istanbul, Turkey.
| | - Halit Akbas
- Department of Medical Biology and Genetics, Medical School of Harran University, Sanlıurfa, Turkey
| | - Emel Saglam Gokmen
- Division of Nephrology, Department of Internal Medicine, Bagcilar Research and Training Hospital, Istanbul, Turkey
| | - Saadet Pilten
- Department of Biochemistry, Bagcilar Research and Training Hospital, Istanbul, Turkey
| | - Hale Guler
- Department of Medical Biology and Genetics, Medical School of Harran University, Sanlıurfa, Turkey
| | - Dilek Gogas Yavuz
- Department of Endocrinology and Metabolism, Marmara University School of Medicine, Istanbul, Turkey
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Endothelial Repair and Regeneration Following Intimal Injury. J Cardiovasc Transl Res 2016; 9:91-101. [DOI: 10.1007/s12265-016-9677-1] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/25/2015] [Accepted: 01/13/2016] [Indexed: 12/19/2022]
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Bertram A, Lovric S, Engel A, Beese M, Wyss K, Hertel B, Park JK, Becker JU, Kegel J, Haller H, Haubitz M, Kirsch T. Circulating ADAM17 Level Reflects Disease Activity in Proteinase-3 ANCA-Associated Vasculitis. J Am Soc Nephrol 2015; 26:2860-70. [PMID: 25788529 DOI: 10.1681/asn.2014050477] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2014] [Accepted: 01/04/2015] [Indexed: 12/14/2022] Open
Abstract
ANCA-associated vasculitides are characterized by inflammatory destruction of small vessels accompanied by enhanced cleavage of membrane-bound proteins. One of the main proteases responsible for ectodomain shedding is disintegrin and metalloproteinase domain-containing protein 17 (ADAM17). Given its potential role in aggravating vascular dysfunction, we examined the role of ADAM17 in active proteinase-3 (PR3)-positive ANCA-associated vasculitis (AAV). ADAM17 concentration was significantly increased in plasma samples from patients with active PR3-AAV compared with samples from patients in remission or from other controls with renal nonvascular diseases. Comparably, plasma levels of the ADAM17 substrate syndecan-1 were significantly enhanced in active AAV. We also observed that plasma-derived ADAM17 retained its specific proteolytic activity and was partly located on extracellular microparticles. Transcript levels of ADAM17 were increased in blood samples of patients with active AAV, but those of ADAM10 or tissue inhibitor of metalloproteinases 3, which inhibits ADAMs, were not. We also performed a microRNA (miR) screen and identified miR-634 as significantly upregulated in blood samples from patients with active AAV. In vitro, miR-634 mimics induced a proinflammatory phenotype in monocyte-derived macrophages, with enhanced expression and release of ADAM17 and IL-6. These data suggest that ADAM17 has a prominent role in AAV and might account for the vascular complications associated with this disease.
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Affiliation(s)
- Anna Bertram
- Department of Nephrology and Hypertension, Center for Internal Medicine and
| | - Svjetlana Lovric
- Department of Nephrology and Hypertension, Center for Internal Medicine and
| | - Alissa Engel
- Department of Nephrology and Hypertension, Center for Internal Medicine and
| | - Michaela Beese
- Department of Nephrology and Hypertension, Center for Internal Medicine and
| | - Kristin Wyss
- Department of Nephrology and Hypertension, Center for Internal Medicine and
| | - Barbara Hertel
- Department of Nephrology and Hypertension, Center for Internal Medicine and
| | - Joon-Keun Park
- Department of Nephrology and Hypertension, Center for Internal Medicine and
| | - Jan U Becker
- Institute for Forensic Medicine, Hannover Medical School, Hannover, Germany; and
| | - Johanna Kegel
- Department of Nephrology and Hypertension, Center for Internal Medicine and
| | - Hermann Haller
- Department of Nephrology and Hypertension, Center for Internal Medicine and
| | - Marion Haubitz
- Department of Nephrology and Hypertension, Center for Internal Medicine and Medical Clinic III, Klinikum Fulda, Fulda, Germany
| | - Torsten Kirsch
- Department of Nephrology and Hypertension, Center for Internal Medicine and
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Hernandez-Juarez J, Sanchez-Serrano JC, Moreno-Hernandez M, Alvarado-Moreno JA, Hernandez-Lopez JR, Isordia-Salas I, Majluf-Cruz A. Effects of the contraceptive skin patch and subdermal contraceptive implant on markers of endothelial cell activation and inflammation. J Clin Pharmacol 2015; 55:780-6. [PMID: 25655356 DOI: 10.1002/jcph.477] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2014] [Revised: 01/21/2015] [Accepted: 02/04/2015] [Indexed: 11/11/2022]
Abstract
Changes in blood coagulation factors may partially explain the association between hormonal contraceptives and thrombosis. Therefore, the likely effects of the contraceptive skin patch and subdermal contraceptive implant on levels of inflammatory markers and endothelial activation were analyzed. This was an observational, prospective, longitudinal, nonrandomized study composed of 80 women between 18 and 35 years of age who made the decision to use the contraceptive skin patch or subdermal contraceptive implant. vascular cell adhesion molecule-1 (VCAM-1), endothelial cell leukocyte adhesion molecule-1 (ELAM-1), von Willebrand factor (VWF), and plasminogen activator inhibitor type 1(PAI-1) as well as high-sensitivity C-reactive protein (hsCRP) were assayed before and after 4 months of use of the contraceptive method. VCAM-1, VWF, and PAI-1 remained unchanged in the contraceptive skin patch group; however, a significant increase in hsCRP (0.29-0.50 mg/dL; P =.012) and a significant decrease in ELAM-1 (44-25 ng/mL; P =.022) were observed. A significant diminution in VCAM-1 (463-362 ng/mL; P =.022) was also found in the subdermal contraceptive implant group. Our results strongly suggest that these contraceptive methods do not induce endothelial activation after 4 months of use. Increase in hsCRP levels was unrelated to changes in markers of endothelial activation.
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Affiliation(s)
- Jesus Hernandez-Juarez
- Unidad de Investigacion Medica en Trombosis, Hemostasia y Aterogenesis, Instituto Mexicano del Seguro Social, Mexico City, Mexico
| | - Juan Carlos Sanchez-Serrano
- Unidad de Investigacion Medica en Trombosis, Hemostasia y Aterogenesis, Instituto Mexicano del Seguro Social, Mexico City, Mexico
| | - Manuel Moreno-Hernandez
- Unidad de Investigacion Medica en Trombosis, Hemostasia y Aterogenesis, Instituto Mexicano del Seguro Social, Mexico City, Mexico
| | - Jose Antonio Alvarado-Moreno
- Unidad de Investigacion Medica en Trombosis, Hemostasia y Aterogenesis, Instituto Mexicano del Seguro Social, Mexico City, Mexico
| | - Jose Rubicel Hernandez-Lopez
- Unidad de Investigacion Medica en Trombosis, Hemostasia y Aterogenesis, Instituto Mexicano del Seguro Social, Mexico City, Mexico
| | - Irma Isordia-Salas
- Unidad de Investigacion Medica en Trombosis, Hemostasia y Aterogenesis, Instituto Mexicano del Seguro Social, Mexico City, Mexico
| | - Abraham Majluf-Cruz
- Unidad de Investigacion Medica en Trombosis, Hemostasia y Aterogenesis, Instituto Mexicano del Seguro Social, Mexico City, Mexico
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Kurz T, Weiner M, Skoglund C, Basnet S, Eriksson P, Segelmark M. A myelopoiesis gene signature during remission in anti-neutrophil cytoplasm antibody-associated vasculitis does not predict relapses but seems to reflect ongoing prednisolone therapy. Clin Exp Immunol 2014; 175:215-26. [PMID: 24215168 DOI: 10.1111/cei.12236] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/01/2013] [Indexed: 11/28/2022] Open
Abstract
A myelopoiesis gene signature in circulating leucocytes, exemplified by increased myeloperoxidase (MPO) and proteinase 3 (PR3) mRNA levels, has been reported in patients with active anti-neutrophil cytoplasm antibody-associated vasculitis (AAV), and to a lesser extent during remission. We hypothesized that this signature could predict disease relapse. mRNA levels of PR3, MPO, selected myelopoiesis transcription factors [CCAAT/enhancer binding protein α (CEBP-α), CCAAT/enhancer binding protein β (CEBP-β), SPI1/PU.1-related transcription factor (SPIB), spleen focus forming virus proviral integration oncogene, PU.1 homologue (SPI1)] and microRNAs (miRNAs) from patient and control peripheral blood mononuclear cells (PBMC) and polymorphonuclear cells (PMN) were analysed and associated with clinical data. Patients in stable remission had higher mRNA levels for PR3 (PBMC, PMN) and MPO (PBMC). PR3 and SPIB mRNA correlated positively in controls but negatively in patient PBMC. Statistically significant correlations existed between PR3 mRNA and several miRNAs in controls, but not in patients. PR3/MPO mRNA levels were not associated with previous or future relapses, but correlated with steroid treatment. Prednisolone doses were negatively linked to SPIB and miR-155-5p, miR-339-5p (PBMC) and to miR-221, miR-361 and miR-505 (PMN). PR3 mRNA in PBMC correlated with time since last flare, blood leucocyte count and estimated glomerular filtration rate. Our results show that elevated leucocyte PR3 mRNA levels in AAV patients in remission do not predict relapse. The origin seems multi-factorial, but to an important extent explainable by prednisolone action. Gene signatures in patients with AAV undergoing steroid treatment should therefore be interpreted accordingly.
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Affiliation(s)
- T Kurz
- Department of Medical and Health Sciences, Linköping University, Linköping, Sweden
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Iversen LV, Østergaard O, Ullman S, Nielsen CT, Halberg P, Karlsmark T, Heegaard NHH, Jacobsen S. Circulating microparticles and plasma levels of soluble E- and P-selectins in patients with systemic sclerosis. Scand J Rheumatol 2013; 42:473-82. [DOI: 10.3109/03009742.2013.796403] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Neutrophil Extracellular Trap in Human Diseases. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2013; 756:1-8. [DOI: 10.1007/978-94-007-4549-0_1] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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Circulating angiopoietin-2 as a biomarker in ANCA-associated vasculitis. PLoS One 2012; 7:e30197. [PMID: 22279570 PMCID: PMC3261176 DOI: 10.1371/journal.pone.0030197] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2011] [Accepted: 12/11/2011] [Indexed: 01/12/2023] Open
Abstract
The endothelial-specific Angiopoietin-Tie2 ligand-receptor system is an important regulator of endothelial activation. Binding of angiopoietin-2 (Ang-2) to Tie2 receptor renders the endothelial barrier responsive to pro-inflammatory cytokines. We previously showed that circulating Ang-2 correlated with disease severity in a small cohort of critically ill patients with anti-neutrophil cytoplasmic antibody (ANCA)-associated glomerulonephritis. The current study reassessed Ang-2 as a biomarker of disease activity and relapse in AAV. Circulating Ang-2 was measured in 162 patients with severe AAV (BVAS/WG≥3, with or without glomerulonephritis) in a clinical trial. Ang-2 levels during active AAV were compared to levels in the same patients during remission (BVAS/WG = 0). Levels in clinical subsets of AAV were compared, and association with future disease course was assessed. Ang-2 levels were elevated in severe disease (median 3.0 ng/ml, interquartile range 1.9–4.4) compared to healthy controls (1.2, 0.9–1.5). However, they did not reliably decline with successful treatment (median 2.6 ng/ml, interquartile range 1.9–3.8, median change −0.1). Ang-2 correlated weakly with BVAS/WG score (r = 0.17), moderately with markers of systemic inflammation (r = 0.25–0.41), and inversely with renal function (r = −0.36). Levels were higher in patients with glomerulonephritis, but levels adjusted for renal dysfunction were no different in patients with or without glomerulonephritis. Levels were higher in patients with newly diagnosed AAV and lower in patients in whom treatment had recently been started. Ang-2 levels during active disease did not predict response to treatment, and Ang-2 levels in remission did not predict time to flare. Thus, Ang-2 appears to have limited practical value in AAV as a biomarker of disease activity at time of measurement or for predicting future activity.
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Zhang J, Hanig JP, De Felice AF. Biomarkers of endothelial cell activation: candidate markers for drug-induced vasculitis in patients or drug-induced vascular injury in animals. Vascul Pharmacol 2011; 56:14-25. [PMID: 21968053 DOI: 10.1016/j.vph.2011.09.002] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2010] [Revised: 08/26/2011] [Accepted: 09/12/2011] [Indexed: 01/08/2023]
Abstract
There is a pressing need for vascular biomarkers for studies of drug-induced vasculitis in patients and drug-induced vascular injury (DIVI) in animals. We previously reviewed a variety of candidate biomarkers of endothelial cell (EC) activation (Zhang et al., 2010). Now we update information on EC activation biomarkers from animal data on DIVI and clinical data of vasculitic patients, particularly patients with primary antineutrophil cytoplasmic autoantibody (ANCA)-associated small vessel vasculitis (primary AAVs), including Wegener's granulomatosis, microscopic polyangiitis, Churg-Strauss syndrome and necrotizing crescentic glomerulonephritis. Drug-associated ANCA-positive small vessel vasculitis (drug-AAVs) can closely resemble primary AAVs, suggesting the large overlap between primary idiopathic systemic vasculitis and drug-induced vasculitis. AAVs in patients and DIVI in animals vary considerably; however, there is close resemblance between AAVs and DIVI in some respects: (1) the immunopathogenetic mechanisms (activation of primed neutrophils, ECs and T cells by ANCA in patients and activation of ECs, mast cells, and macrophages by drugs in animals); (2) the morphologic changes (fibrinoid necrosis of the vessel wall and neutrophilic infiltration); (3) the preferable sites (small arteries, arterioles, capillaries and venules); and (4) elevation of vascular biomarkers suggestive of an endothelial origin. The present review discusses soluble and cell component biomarkers and provides a rationale for the potential utility of EC activation biomarkers in nonclinical and clinical studies during new drug development. Further investigation, however, is needed to assess their potential utility.
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Affiliation(s)
- Jun Zhang
- Division of Drug Safety Research, Center for Drug Evaluation and Research, U. S. Food and Drug Administration, Silver Spring, MD 20993, USA.
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Zhang J, Defelice AF, Hanig JP, Colatsky T. Biomarkers of endothelial cell activation serve as potential surrogate markers for drug-induced vascular injury. Toxicol Pathol 2010; 38:856-71. [PMID: 20716788 DOI: 10.1177/0192623310378866] [Citation(s) in RCA: 73] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Drug-induced vascular injury (DIVI) is a nonclinical finding that often confounds the toxicological evaluation of investigational drugs, but there is an absence of qualified biomarkers that can be used to detect and monitor its appearance in animals and patients during drug development and clinical use. It is well known that endothelial cell (EC) activation plays a key role in the expression and evolution of DIVI, and the various immunological and inflammatory factors involved in its expression may serve as potential biomarker candidates. Activated ECs change their morphology and gene expression, generating endothelial adhesion molecules, pro-coagulant molecules, cytokines, chemokines, vasodilators, nitric oxide, and acute-phase reactants. This review provides a brief historical background of EC activation and the search for biomarkers of early EC activation for monitoring DIVI. At present, no biomarkers of EC activation have been qualified to predict DIVI in the nonclinical or clinical context, and a robust pathologic foundation for their use is still lacking. We propose three categories of EC activation biomarkers: recommended surrogate markers, potentially useful markers, and emerging candidate markers. This review alerts pharmaceutical companies, research institutions, and regulatory agencies to the continuing need for reliable biomarkers of EC activation in drug development.
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Affiliation(s)
- Jun Zhang
- Division of Applied Pharmacology Research, Center for Drug Evaluation and Research, Food and Drug Administration, Silver Spring, MD 20993, USA.
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Taniguchi Y, Horino T, Terada Y, Jinnouchi Y. The Activity of Carotidynia Syndrome is Correlated with the Soluble Intracellular Adhesion Molecule-1 (sICAM-1) Level. South Med J 2010; 103:277-8. [DOI: 10.1097/smj.0b013e3181cf39e2] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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17
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Joras M, Poredos P, Fras Z. Endothelial dysfunction in Buerger's disease and its relation to markers of inflammation. Eur J Clin Invest 2006; 36:376-82. [PMID: 16684120 DOI: 10.1111/j.1365-2362.2006.01646.x] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
BACKGROUND Buerger's disease (BD) is a segmental occlusive vascular disease. The aim of this study was to detect functional changes in brachial artery and asymptomatic morphological changes in extra-cranial carotid arteries not affected by the disease process and to assess markers of inflammation and endothelial damage. MATERIALS AND METHODS Fourteen patients in the remission phase of BD and the same number of age- and sex-matched healthy controls were included in the study. The capability of endothelium-dependent (flow-mediated) and endothelium-independent dilation of the brachial artery and intima-media thickness of the carotid arteries were measured using high-resolution ultrasound. Laboratory parameters of endogenous fibrinolytic activity, inflammation and endothelial dysfunction were also measured. RESULTS Patients with BD had a diminished capability of endothelium-dependent vasodilation and higher levels of some circulating markers of inflammation, such as leukocytes, C-reactive protein, intercellular adhesion molecule-1 and E-selectin. Intercellular adhesion molecule-1 levels were related to some of the inflammatory markers (sedimentation rate, C-reactive protein, alpha2-globulins and fibrinogen), while E-selectin was correlated with decreased endogenous blood fibrinolytic activity. Endothelium-dependent vasodilation was in negative correlation with the relative share of neutrophil granulocytes. There were no significant differences in intima-media thickness between patients with BD and controls. CONCLUSIONS Our study has expressed generalized functional arterial disorder in patients with BD not accompanied by any measurable morphological changes of the carotid arterial wall. Functional deterioration of brachial artery could be related to increased levels of various inflammatory markers--the process which is most probably the basic pathogenetic mechanism of the disease.
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Affiliation(s)
- M Joras
- Department for Vascular Medicine, University Medical Centre, Ljubljana, Slovenia.
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18
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Wikman A, Lundahl J, Jacobson SH. Neutrophil Activation in Anti-Proteinase 3-Positive Vasculitis - a Prospective Study. Scand J Immunol 2005; 62:539-45. [PMID: 16316421 DOI: 10.1111/j.1365-3083.2005.01695.x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
In vitro studies have demonstrated that antineutrophil cytoplasmic antibodies (ANCA) have the capacity to activate neutrophils. Whether circulating neutrophils in patients with vasculitis are activated is under debate. Eight consecutive patients with antiproteinase 3 (PR3) positive acute vasculitis were included in this prospective study. Neutrophil expression of adhesion molecules, Fc-receptors and the ANCA-antigen PR3 was analysed and clinical characteristics were documented at inclusion and after 1, 3, 6 and 9 months in the same individuals. As additional markers of inflammation and endothelial activation interleukin-8 and soluble vascular cell adhesion molecule-1 in serum were analysed at the same time points. The expression of adhesion molecules on circulating neutrophils, CD62L and CD11b after in vitro N-formyl-methionyl-leucyl-phenylalanine stimulation was significantly decreased at diagnosis and after 1 month but returned to normal levels after 3-9 months. The neutrophil expression of Fc-receptor IIIb (CD 16) was decreased at diagnosis but normalized after 1-9 months. The main finding was an activated neutrophil adhesion phenotype at diagnosis and after 1 month, with normalized expression of adhesion molecules at 3-9 months. A pathological regulation of adhesion molecules may have implications on the endothelial damage seen in vasculitis.
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Affiliation(s)
- A Wikman
- Division of Clinical Immunology, and Transfusion Medicine, Karolinska University Hospital and Karolinske Institute, Stockholm, Sweden.
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Samarkos M, Loizou S, Vaiopoulos G, Davies KA. The Clinical Spectrum of Primary Renal Vasculitis. Semin Arthritis Rheum 2005; 35:95-111. [PMID: 16194695 DOI: 10.1016/j.semarthrit.2005.05.004] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
BACKGROUND AND OBJECTIVES The vasculitides are potentially severe and often difficult to diagnose syndromes. Many forms of vasculitis may involve the kidneys. This review will focus on the clinical and histopathological aspects of renal involvement in the systemic vasculitides. METHODS We searched the MEDLINE database using as key terms the MeSH terms and textwords for different forms of vasculitis and for renal involvement, creating a database of more than 2200 relevant references. RESULTS The frequency of renal involvement in vasculitis varies among different syndromes. It is more frequent in Wegener's granulomatosis and microscopic polyarteritis, while it is uncommon to rare in other forms of vasculitis such as Behçet's disease and relapsing polychondritis. The vessels affected include the renal artery in Takayasu arteritis, medium-size renal parenchymal artery in classic polyarteritis nodosa, and glomerular involvement in Wegener's granulomatosis and microscopic polyarteritis. The clinical expression of renal vasculitis depends on the size of the affected vessels and includes renovascular hypertension, isolated nonnephrotic proteinuria, interstitial nephritis, and glomerulonephritis, which can be rapidly progressive. Diagnosis is established by a combination of history, clinical manifestations, laboratory findings (eg, urine sediment, urine protein, antineutrophil cytoplasmic antibodies), imaging techniques (renal angiography, especially when there is a suspicion of medium-to-large vessel disease, and chest radiograph), and finally, renal biopsy. Prognosis varies from unfavorable in the rapidly progressive glomerulonephritis of microscopic polyarteritis, which can lead to renal failure, chronic dialysis, and renal transplantation, to benign, as in the case of Henoch Schonlein purpura, in which the majority of patients recover. CONCLUSIONS The manifestations and prognosis of renal vasculitis range widely. Renal involvement greatly influences prognosis and dictates the need for early and prompt immunosuppressive therapy. Thus, the clinician should be alert for the timely diagnosis and treatment of renal vasculitis.
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Affiliation(s)
- Michael Samarkos
- 5th Department of Internal Medicine, Evangelismos Hospital, Athens, Greece.
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20
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Kerns W, Schwartz L, Blanchard K, Burchiel S, Essayan D, Fung E, Johnson R, Lawton M, Louden C, MacGregor J, Miller F, Nagarkatti P, Robertson D, Snyder P, Thomas H, Wagner B, Ward A, Zhang J. Drug-induced vascular injury—a quest for biomarkers. Toxicol Appl Pharmacol 2005; 203:62-87. [PMID: 15694465 DOI: 10.1016/j.taap.2004.08.001] [Citation(s) in RCA: 72] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2004] [Accepted: 08/02/2004] [Indexed: 11/23/2022]
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21
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Williams JM, Kamesh L, Savage COS. Translating basic science into patient therapy for ANCA-associated small vessel vasculitis. Clin Sci (Lond) 2005; 108:101-12. [PMID: 15504102 DOI: 10.1042/cs20040232] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
ANCA (anti-neutrophil cytoplasm antibody)-associated small vessel vasculitis is an inflammatory condition associated with the production of autoantibodies to neutrophil cytoplasmic components. The disorder results in destruction of the microvasculature, infiltration of neutrophils into tissues, which is followed later by mononuclear cells, leading to injury and the formation of granulomatous lesions. Initiators for the disease are undetermined but a pro-inflammatory environment is required. Other influencing factors may include environmental triggers, genetic propensity or infectious agents. The primary cellular event in the condition involves the neutrophils, which are likely to be responsible for the majority of tissue injury. Binding of the autoantibody to neutrophils initiates cell activation via a complex intracellular signalling cascade, culminating in the release of pro-inflammatory mediators, proteolytic enzymes and reactive oxygen species. Adhesion of neutrophils to endothelial cells is observed in vitro and more investigations in this area may explain the focussing of the disease to certain vessels/tissues. Current treatment regimens have substantial toxicity. Although newer developments are an improvement there is still a pressing need for more targeted therapies, which could be provided by extrapolating information emerging from basic scientific research.
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Affiliation(s)
- Julie M Williams
- Renal Immunobiology, The Medical School, University of Birmingham, Edgbaston, Birmingham B15 2TT, U.K
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22
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Musiał K, Zwolińska D, Polak-Jonkisz D, Berny U, Szprynger K, Szczepańska M. Serum VCAM-1, ICAM-1, and L-selectin levels in children and young adults with chronic renal failure. Pediatr Nephrol 2005; 20:52-5. [PMID: 15602666 DOI: 10.1007/s00467-004-1691-x] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/01/2004] [Revised: 08/12/2004] [Accepted: 08/13/2004] [Indexed: 11/30/2022]
Abstract
Children and young adults with chronic renal failure (CRF) present with an impaired immune response. Our aim was to analyze whether leukocyte migration, determined by adhesion molecules, is disturbed in the course of CRF, hemodialysis (HD), and peritoneal dialysis (PD). Soluble (s) VCAM-1, ICAM-1, and L-selectin serum levels were evaluated by ELISA in 15 patients with CRF, 22 patients on cuprophane membrane HD, 24 patients on PD, and in 15 controls. The sVCAM-1 levels in all groups were significantly elevated compared with controls. The levels in HD patients were higher than in CRF patients (P<0.05), while levels in PD patients were higher than in CRF and HD (P<0.001 and P<0.01, respectively). The sICAM-1 concentrations in CRF and PD patients were significantly elevated compared with controls (P<0.001 and P<0.0001, respectively); in PD patients sICAM-1 levels were higher than in HD patients (P<0.001), but there were no differences between other groups. sL-selectin levels were decreased in all groups compared with controls. The levels in HD patients were the lowest and the differences, compared with CRF and PD patients, were significant (P<0.05 and P<0.01, respectively). Children and young adults with CRF and on maintenance dialysis have altered concentrations of soluble adhesion molecules, resulting from either inadequate clearance or disturbed synthesis and release. The differences in sVCAM-1 levels between CRF and both groups of patients on dialysis, as well as the differences in sL-selectin concentrations between HD and CRF patients, indicate that these disturbances are aggravated by maintenance dialysis, particularly HD.
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Affiliation(s)
- Kinga Musiał
- Department of Pediatric Nephrology, Medical University, Wrocław, Poland
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de Leeuw K, Sanders JS, Stegeman C, Smit A, Kallenberg CG, Bijl M. Accelerated atherosclerosis in patients with Wegener's granulomatosis. Ann Rheum Dis 2004; 64:753-9. [PMID: 15374854 PMCID: PMC1755479 DOI: 10.1136/ard.2004.029033] [Citation(s) in RCA: 113] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
BACKGROUND Several autoimmune disorders are complicated by excess cardiovascular disease. In addition to traditional risk factors, non-traditional risk factors such as endothelial activation and excessive vascular remodelling might be determinants of the progression of atherosclerosis in patients with an autoimmune disease. OBJECTIVE To evaluate whether patients with Wegener's granulomatosis (WG) have an increased prevalence of atherosclerosis and to determine predisposing factors. METHODS 29 WG patients (19 men; mean (SD) age, 53 (14) years) with inactive disease and 26 controls (16 men; age 53 (15) years) were studied. Common carotid intima-media thickness (IMT) was measured by ultrasound. In all individuals traditional risk factors for cardiovascular disease were determined. High sensitivity C reactive protein (hsCRP) was measured. Endothelial activation was assessed by measuring thrombomodulin, vascular cell adhesion molecule-1, and von Willebrand factor. As a marker of vascular remodelling matrix metalloproteinases (MMP-3 and MMP-9) and TIMP-1 were measured. RESULTS IMT was increased in WG patients compared with controls (p<0.05). No differences in traditional risk factors and endothelial activation markers between patients and controls were found. Levels of hsCRP, MMPs, and TIMP-1 were increased in WG patients (p<0.05). CONCLUSIONS Increased IMT found in WG patients cannot be explained by an increased prevalence of traditional risk factors. Although endothelial activation markers in WG patients with inactive disease were not increased, the raised levels of hsCRP, MMPs, and TIMP-1 suggest that enhanced inflammation and excessive vascular remodelling are contributing factors in the development of accelerated atherosclerosis in WG.
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Affiliation(s)
- K de Leeuw
- Department of Clinical Immunology, University Hospital, PO Box 30.001, 9700 RB Groningen, Netherlands.
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Sari RA, Kiziltunç A, Taysi S, Taysý S, Akdemir S, Akdemýr S, Gündoğdu M. Levels of soluble E-selectin in patients with active Behcet's disease. Clin Rheumatol 2004; 24:55-9. [PMID: 15338451 DOI: 10.1007/s10067-004-0982-8] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2004] [Accepted: 07/02/2004] [Indexed: 11/26/2022]
Abstract
Behcet's disease is a systemic vasculitis of unknown aetiology. Endothelial cell injury plays an important role in the pathogenesis and immunopathology of Behcet's disease. E-selectin is expressed by activated endothelial cells. Because the selectin adhesion molecules are shed from activated cells, soluble forms of these proteins can be used as activation markers of endothelium (E-selectin). The pathogenesis of Behcet's disease (BD) is closely related to endothelial cells, leucocyte functions and immunity. The aim of this study was to investigate circulating E-selectin adhesion molecules, which are known to play a significant part in the immune response especially by regulating interaction of the leucocytes with endothelium in BD. Plasma E-selectin concentrations were evaluated in 23 patients with BD and 20 healthy control subjects. The disease activity was evaluated by clinical manifestations (oral aphthous ulcer, genital ulceration, positive pathergy test, skin lesions, eye involvement, thrombophlebitis and arthritis) and by laboratory investigations [erythrocyte sedimentation rate (ESR) and C-reactive protein (CRP)]. The patients were newly or previously diagnosed cases not taking any drug for BD. Levels of E-selectin were measured with commercially available sandwich enzyme-linked immunosorbent assay (ELISA) kits using human sE-selectin (cat. no: BMS 205). Plasma E-selectin concentrations of patients and controls were compared with the Mann-Whitney U test. Statistical significance was assigned to p values lower than 0.05. Serum levels (mean+/-SD) of soluble E-selectin (sE-selectin) were significantly higher in 23 patients with BD than in 20 healthy controls (53.2+/-18.2 ng/ml vs 33.8+/-7.5 ng/ml, p<0.0001). A statistically significant positive correlation was observed between sE-selectin levels and CRP and ESR in patients with BD (r=0.78, p<0.001 and r=0.56, p<0.01, respectively). Increases in the E-selectin in BD may be a direct consequence of the leucocyte and endothelium activations observed during the disease process. The noninvasive investigations can be used as biochemical markers for inflammation. This may provide additional information regarding disease activity along with the traditional indices such as ESR and CRP.
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Affiliation(s)
- Refik Ali Sari
- Department of Immunology/Rheumatology, Atatürk University Medical School, 25240 Erzurum, Turkey.
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Maksimowicz-McKinnon K, Bhatt DL, Calabrese LH. Recent advances in vascular inflammation: C-reactive protein and other inflammatory biomarkers. Curr Opin Rheumatol 2004; 16:18-24. [PMID: 14673384 DOI: 10.1097/00002281-200401000-00005] [Citation(s) in RCA: 42] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
PURPOSE OF REVIEW Inflammatory vascular diseases are initiated and perpetuated by the interaction of immune cells with cells of the affected vessel wall. This is directed by a network of chemical messengers, which, in a state of vascular health, exist as balanced but opposing forces. Our understanding of this highly complex process has advanced significantly in the last several decades. The detection of vascular inflammation and monitoring of this activity have long been attempted in systemic vasculitis, and, more recently, in atherosclerosis. Markers of vascular inflammation used thus far have been of limited value; few provide both adequate sensitivity and specificity for any particular disease. New insights into the pathophysiology of vascular inflammation have identified other potential markers that may improve detection and monitoring of these conditions. RECENT FINDINGS Immunomodulatory mediators of the inflammatory cascade have been identified, and their roles are being defined. There are recent data that implicate various cytokines, proteases, adhesion molecules, and acute phase proteins as participants in the generation of vascular inflammation. CONCLUSION The pursuit of highly sensitive and specific markers of vascular inflammation has produced a wealth of information that has been instrumental in advancing our comprehension of this complex process. Further studies will establish the role of these new markers in the diagnosis, monitoring, and prognostication of inflammatory vascular disease.
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Kalomenidis I, Mohamed KH, Lane KB, Peebles RS, Barnette R, Rodriguez RM, Light RW. Pleural Fluid Levels of Vascular Cell Adhesion Molecule-1 Are Elevated in Eosinophilic Pleural Effusions. Chest 2003. [DOI: 10.1016/s0012-3692(15)36006-2] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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Booth AD, Firth JD, Jayne DRW. Immunotherapy for autoimmune and inflammatory renal diseases. Expert Opin Biol Ther 2003; 3:487-500. [PMID: 12783617 DOI: 10.1517/14712598.3.3.487] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Immune-mediated renal disease (IMRD) accounts for 20 - 30% of the cases of end stage renal failure. It frequently occurs in the context of multi-system autoimmune disorders, including systemic lupus erythematosus (SLE) and primary systemic vasculitis. Current therapies are partially effective and comprise the combination of steroids with an immunosuppressive, such as cyclophosphamide. Their toxicity contributes to the morbidity and mortality of these disorders, and long-term treatment is necessary to prevent relapse. There is a clear need for better-targeted, more effective and less toxic therapy. Advances in our understanding of the immunopathogenesis of inflammatory autoimmune renal disease have identified potential targets for newer agents and have improved the monitoring of therapeutic responses. Recent experience with newer therapies in IMRD is reviewed. This has typically involved small, non-randomised, open-label trials and has addressed reversible features of disease activity. Larger, randomised comparisons to standard therapy are needed along with assessment of long-term efficacy and safety.
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Affiliation(s)
- Anthony D Booth
- Department of Renal Medicine (Box 118), Addenbrooke's Hospital, Hills Rd, Cambridge, CB2 2QQ, UK
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Arrizabalaga Clemente P. [Adhesion molecules and glomerulonephritis. Towards novel therapeutic strategies]. Med Clin (Barc) 2002; 119:145-8. [PMID: 12106527 DOI: 10.1016/s0025-7753(02)73344-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Affiliation(s)
- Pilar Arrizabalaga Clemente
- Servicio de Nefrología. Hospital Clínic. Institut d'Investigació Biomèdica August Pi i Sunyer. Barcelona. España.
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Abstract
The improvement in survival of the systemic vasculitides with the use of current immunosuppression has heightened awareness of their poor long-term outcome in terms of chronic morbidity and relapse. Assessment of systemic vasculitis is an essential part of its management. Better understanding of the underlying pathophysiology of the antineutrophil cytoplasmic antibody-related vasculitides has resulted in improved assays and may result in more precise serologic assessment of disease. Clinical assessment tools for accurately measuring disease activity and damage have been developed and are reviewed in this article. It is becoming increasingly clear that these clinical tools are practical, effective measures that can assist in the treatment of individual patients and play an important role in clinical trials of systemic vasculitis.
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Affiliation(s)
- Raashid Ahmed Luqmani
- Consultant Rheumatologist and Part Time Senior Lecturer, Rheumatology Department, University of Edinburgh, Edinburgh, United Kingdom.
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Luqmani RA, Bacon PA, Moots RJ, Janssen BA, Pall A, Emery P, Savage C, Adu D. Birmingham Vasculitis Activity Score (BVAS) in systemic necrotizing vasculitis. Ann Rheum Dis 1994; 72:1342-50. [PMID: 7820541 DOI: 10.1136/annrheumdis-2012-201981] [Citation(s) in RCA: 91] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
The continuing morbidity of patients with vasculitis, despite the improved prognosis with aggressive therapy, underlines the need for accurate disease assessment. We have devised a clinical index of disease activity, and evaluated its use in several forms of necrotizing vasculitis. The weighted score is based on symptoms and signs in nine separate organ systems. Disease features are only scored if they are attributable to active vasculitis. The Birmingham Vasculitis Activity Score (BVAS) was compared with two other published vasculitis activity scores, with the physician's global assessment (PGA), with outcome, and with serological markers of disease activity. In a cross-sectional study of 213 consecutive patients with different forms of vasculitis, all 107 vasculitis patients who were judged completely well on clinical assessment had a BVAS score of 0. Twenty-two patients with active vasculitis prior to treatment had a median score of 7.5 (range 4-30) and 69 with active disease on treatment had a median score of 10 (1-29). Of the 12 who died, median score immediately prior to death was 20.5 (9-30). In a serial prospective study, 30 cases had documented episodes of active disease. During periods of disease activity, the median BVAS values were significantly higher than in remission (15 [range 3-32] vs. 0 [0-2], p < 0.001); the same was true for CRP values (80 [9-361] vs. 13.5 [5-68], p < 0.001). This was not true for erythrocyte sedimentation rate (ESR), haemoglobin (Hb) or von Willebrand factor (VWF).(ABSTRACT TRUNCATED AT 250 WORDS)
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Affiliation(s)
- R A Luqmani
- Department of Rheumatology, University of Birmingham, Edgbaston, West Midlands, UK
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