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Rešić A, Benco Kordić N, Obuljen J, Bašković M. Importance of Determining Vascular Endothelial Growth Factor Serum Levels in Children with Infantile Hemangioma. MEDICINA (KAUNAS, LITHUANIA) 2023; 59:1914. [PMID: 38003963 PMCID: PMC10673278 DOI: 10.3390/medicina59111914] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Revised: 09/10/2023] [Accepted: 10/27/2023] [Indexed: 11/26/2023]
Abstract
Background and Objectives: A potential role of vascular endothelial growth factor (VEGF) in the pathophysiology of infantile hemangiomas (IH) is thought to be plausible. The primary objective of this study was to investigate the importance of determining VEGF serum levels at various stages of IH growth in children. Materials and Methods: A nested case-control study was conducted. For the purposes of the researched target group, samples of fifty (N = 50) children with IH without associated diseases at different stages of hemangioma growth (proliferative and involutional stages) were used. The control group consisted of one hundred (N = 100) healthy children comparable in terms of age and sex, in whom the existence of IH and vascular malformations was ruled out via clinical examination. An immunoassay (ELISA) was used to determine VEGF serum levels in hemangioma growth's proliferation and involution phases. Results: A comparison of serum levels of VEGF in the phases of proliferation and involution in the group of patients with IH did not show a statistically significant difference (p = 0.171). The control group had significantly higher serum VEGF levels than the patient group in both the proliferation phase (p = 0.009) and the involution phase (p = 0.019). In the proliferation phase, a multivariate regression model explained 15% of the variance in the dependent variable, without significant predictor variables, while in the involution phase, it explained 21% of the variance in the dependent variable, and the history of invasive prenatal procedures stood out as a significant predictor variable positively associated with serum VEGF levels (beta coefficient = 0.33; p = 0.043). Conclusions: Although IH is thought to be the result of the dysregulation of angiogenesis and vasculogenesis under the influence of angiogenic factors, especially VEGF, this study did not demonstrate that VEGF serum levels in the proliferation phase of hemangioma growth were higher than those in the involution phase, or in relation to the control group.
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Affiliation(s)
- Arnes Rešić
- Department of Pediatrics, Children’s Hospital Zagreb, Ulica Vjekoslava Klaića 16, 10 000 Zagreb, Croatia
- University Department of Health Studies, University of Split, Ruđera Boškovića 35, 21 000 Split, Croatia
| | - Nikolina Benco Kordić
- Department of Pediatrics, Children’s Hospital Zagreb, Ulica Vjekoslava Klaića 16, 10 000 Zagreb, Croatia
| | - Jasna Obuljen
- Department of Medical Biochemistry and Hematology, Children’s Hospital Zagreb, Ulica Vjekoslava Klaića 16, 10 000 Zagreb, Croatia
| | - Marko Bašković
- Department of Pediatric Surgery, Children’s Hospital Zagreb, Ulica Vjekoslava Klaića 16, 10 000 Zagreb, Croatia
- Scientific Centre of Excellence for Reproductive and Regenerative Medicine, School of Medicine, University of Zagreb, Šalata 3, 10 000 Zagreb, Croatia
- School of Medicine, University of Zagreb, Šalata 3, 10 000 Zagreb, Croatia
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2
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Investigating the Molecular Mechanism of Qianghuo Shengshi Decoction in the Treatment of Ankylosing Spondylitis Based on Network Pharmacology and Molecular Docking Analysis. Processes (Basel) 2022. [DOI: 10.3390/pr10081487] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023] Open
Abstract
Background: Qianghuo Shengshi decoction (QHSSD), a traditional Chinese medicine formula, is used to treat ankylosing spondylitis (AS) in China. The pharmacological mechanism of QHSSD for AS remains to be clarified. In this study, we investigated the molecular mechanisms of QHSSD in the treatment of AS using network pharmacology and molecular docking. Methods: To obtain the chemical components and potential targets of QHSSD, we used the Traditional Chinese Medicine Systematic Pharmacology Database and Analysis Platform (TCMSP) and SwissTargetPrediction. AS potential targets were found in the GeneCards, OMIM, and DisGenets databases. A Venn diagram was used to screen QHSSD and AS common potential targets. The STRING website and Cytoscape software were used to create and analyze protein–protein interactions and component–target networks. The DAVID database was used for the gene ontology (GO) function and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway enrichment analysis. Molecular docking was used to visualize drug–target interactions. Results: The component–target network consisted of 119 chemical components and 193 potential targets. QHSSD was implicated in various biological processes, such as inflammation and angiogenesis, and mediated multiple signaling pathways, such as the MAPK signaling pathway. Molecular docking revealed good binding ability between medicarpin, notoptol, vitetrifolin E, and cnidilin and EGFR, TNF-α, ALB, and VEGFA. Conclusions: The chemical compositions, potential targets, and pathways involved in the QHSSD treatment of AS were successfully predicted in this study. This study provides a solid foundation for the selection of drugs to treat AS.
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Hoang TT, Ichinose K, Morimoto S, Furukawa K, Le LH, Kawakami A. Measurement of anti-suprabasin antibodies, multiple cytokines and chemokines as potential predictive biomarkers for neuropsychiatric systemic lupus erythematosus. Clin Immunol 2022; 237:108980. [DOI: 10.1016/j.clim.2022.108980] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2022] [Revised: 03/08/2022] [Accepted: 03/09/2022] [Indexed: 11/28/2022]
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4
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Xiang B, Deng C, Qiu F, Li J, Li S, Zhang H, Lin X, Huang Y, Zhou Y, Su J, Lu M, Ma Y. Single cell sequencing analysis identifies genetics-modulated ORMDL3 + cholangiocytes having higher metabolic effects on primary biliary cholangitis. J Nanobiotechnology 2021; 19:406. [PMID: 34872583 PMCID: PMC8647381 DOI: 10.1186/s12951-021-01154-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2021] [Accepted: 11/21/2021] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Primary biliary cholangitis (PBC) is a classical autoimmune disease, which is highly influenced by genetic determinants. Many genome-wide association studies (GWAS) have reported that numerous genetic loci were significantly associated with PBC susceptibility. However, the effects of genetic determinants on liver cells and its immune microenvironment for PBC remain unclear. RESULTS We constructed a powerful computational framework to integrate GWAS summary statistics with scRNA-seq data to uncover genetics-modulated liver cell subpopulations for PBC. Based on our multi-omics integrative analysis, 29 risk genes including ORMDL3, GSNK2B, and DDAH2 were significantly associated with PBC susceptibility. By combining GWAS summary statistics with scRNA-seq data, we found that cholangiocytes exhibited a notable enrichment by PBC-related genetic association signals (Permuted P < 0.05). The risk gene of ORMDL3 showed the highest expression proportion in cholangiocytes than other liver cells (22.38%). The ORMDL3+ cholangiocytes have prominently higher metabolism activity score than ORMDL3- cholangiocytes (P = 1.38 × 10-15). Compared with ORMDL3- cholangiocytes, there were 77 significantly differentially expressed genes among ORMDL3+ cholangiocytes (FDR < 0.05), and these significant genes were associated with autoimmune diseases-related functional terms or pathways. The ORMDL3+ cholangiocytes exhibited relatively high communications with macrophage and monocyte. Compared with ORMDL3- cholangiocytes, the VEGF signaling pathway is specific for ORMDL3+ cholangiocytes to interact with other cell populations. CONCLUSIONS To the best of our knowledge, this is the first study to integrate genetic information with single cell sequencing data for parsing genetics-influenced liver cells for PBC risk. We identified that ORMDL3+ cholangiocytes with higher metabolism activity play important immune-modulatory roles in the etiology of PBC.
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Affiliation(s)
- Bingyu Xiang
- Department of Infectious Diseases, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, Zhejiang, China
| | - Chunyu Deng
- School of Life Science and Technology, Harbin Institute of Technology, Harbin, 150080, China
| | - Fei Qiu
- Institute of Biomedical Big Data, School of Ophthalmology and Optometry and Eye Hospital, School of Biomedical Engineering, Wenzhou Medical University, Wenzhou, 325027, Zhejiang, China
| | - Jingjing Li
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Zhejiang University School of Medicine, Hangzhou, 310003, Zhejiang, China
| | - Shanshan Li
- Department of Infectious Diseases, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, Zhejiang, China
| | - Huifang Zhang
- Department of Infectious Diseases, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, Zhejiang, China
| | - Xiuli Lin
- Department of Infectious Diseases, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, Zhejiang, China
| | - Yukuan Huang
- Institute of Biomedical Big Data, School of Ophthalmology and Optometry and Eye Hospital, School of Biomedical Engineering, Wenzhou Medical University, Wenzhou, 325027, Zhejiang, China
| | - Yijun Zhou
- Institute of Biomedical Big Data, School of Ophthalmology and Optometry and Eye Hospital, School of Biomedical Engineering, Wenzhou Medical University, Wenzhou, 325027, Zhejiang, China
| | - Jianzhong Su
- Institute of Biomedical Big Data, School of Ophthalmology and Optometry and Eye Hospital, School of Biomedical Engineering, Wenzhou Medical University, Wenzhou, 325027, Zhejiang, China.,Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, 325011, Zhejiang, China
| | - Mingqin Lu
- Department of Infectious Diseases, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, Zhejiang, China.
| | - Yunlong Ma
- Institute of Biomedical Big Data, School of Ophthalmology and Optometry and Eye Hospital, School of Biomedical Engineering, Wenzhou Medical University, Wenzhou, 325027, Zhejiang, China.
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5
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Achudhan D, Liu SC, Lin YY, Lee HP, Wang SW, Huang WC, Wu YC, Kuo YH, Tang CH. Antcin K inhibits VEGF-dependent angiogenesis in human rheumatoid arthritis synovial fibroblasts. J Food Biochem 2021; 46:e14022. [PMID: 34841538 DOI: 10.1111/jfbc.14022] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Revised: 11/10/2021] [Accepted: 11/12/2021] [Indexed: 12/21/2022]
Abstract
Antrodia cinnamomea is a well-known medicinal mushroom in Taiwan that exhibits anti-inflammatory biological activities. In rheumatoid arthritis (RA), chronic inflammation and angiogenesis driven by proinflammatory cytokines reflect the severity of the disease. Although biological treatments have improved the outlook for RA, no healing exists. Moreover, the available pharmacotherapies do not work for all patients and drug safety is a major consideration. Investigations into plant-based medicines hope to reveal better, more tolerable agents. We examined whether Antcin K, a phytosterol isolated from A. cinnamomea, has anti-angiogenic activity in RA. The GSE12021 gene dataset from the Gene Expression Omnibus (GEO) database was examined for levels of vascular endothelial growth factor (VEGF) expression in 10 RA and 10 osteoarthritis (OA) synovial tissue samples. In clinical samples, VEGF expression was analyzed by immunohistochemical staining and ELISA in normal and RA synovial tissue, as well as OA and RA synovial fluid. Collagen-induced arthritis (CIA) and control tissue was stained with hematoxylin and eosin (H&E) for histological changes; Safranin O/Fast Green staining examined histopathological changes and evidence of bone erosion. Human RA synovial fibroblasts (RASFs) were incubated with Antcin K and cell viability was examined by the MTT assay. VEGF mRNA expression was detected in RASFs using qPCR. Antcin K significantly inhibited VEGF expression and ameliorates endothelial progenitor cell (EPC) migration and tube formation in RASFs by downregulating the phospholipase C-γ/protein kinase C-α pathway. Antcin K also induced anti-angiogenic effects in human RASFs without cytotoxicity. PRACTICAL APPLICATIONS: Analysis of GEO dataset samples and human synovial fluids or synovial tissues revealed higher VEGF levels in rheumatoid arthritis (RA) samples compared with osteoarthritis (OA) and healthy control samples. VEGF levels were also higher in mice with collagen-induced arthritis (CIA) than in healthy controls. Antcin K markedly suppressed VEGF expression in human RA synovial fibroblasts and inhibited the migration and tube formation of epithelial progenitor cells (EPCs) by downregulating the phospholipase C-γ/protein kinase C-α pathway. Further investigations are warranted to examine the effects of Antcin K in other angiogenesis-associated disorders.
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Affiliation(s)
- David Achudhan
- Graduate Institute of Biomedical Science, College of Medicine, China Medical University, Taichung, Taiwan
| | - Shan-Chi Liu
- Department of Medical Education and Research, China Medical University Beigang Hospital, Yunlin, Taiwan
| | - Yen-You Lin
- Department of Pharmacology, School of Medicine, China Medical University, Taichung, Taiwan
| | - Hsiang-Ping Lee
- School of Chinese Medicine, China Medical University, Taichung, Taiwan.,Department of Chinese Medicine, China Medical University Hospital, Taichung, Taiwan
| | - Shih-Wei Wang
- Institute of Biomedical Sciences, Mackay Medical College, Taipei, Taiwan.,Department of Medicine, Mackay Medical College, New Taipei City, Taiwan.,Graduate Institute of Natural Products, College of Pharmacy, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Wei-Chien Huang
- Chinese Medicine Research and Development Center, Center for Molecular Medicine, China Medical University Hospital, China Medical University, Taichung, Taiwan.,Chinese Medicine Research Center, Drug Development Center, China Medical University, Taichung, Taiwan.,Graduate Institute of Biomedical Sciences, China Medical University, Taichung, Taiwan.,The Biotechnology Department, College of Medical and Health Science, Asia University, Taichung, Taiwan
| | - Yang-Chang Wu
- Chinese Medicine Research and Development Center, Center for Molecular Medicine, China Medical University Hospital, China Medical University, Taichung, Taiwan.,Graduate Institute of Biomedical Sciences, China Medical University, Taichung, Taiwan.,The Biotechnology Department, College of Medical and Health Science, Asia University, Taichung, Taiwan
| | - Yueh-Hsiung Kuo
- Graduate Institute of Integrated Medicine, College of Chinese Medicine, China Medical University, Taichung, Taiwan.,Department of Chinese Pharmaceutical Sciences and Chinese Medicine Resources, China Medical University, Taichung, Taiwan.,Department of Biotechnology, Asia University, Taichung, Taiwan.,Chinese Medicine Research Center, China Medical University, Taichung, Taiwan
| | - Chih-Hsin Tang
- Graduate Institute of Biomedical Science, College of Medicine, China Medical University, Taichung, Taiwan.,Department of Pharmacology, School of Medicine, China Medical University, Taichung, Taiwan.,Department of Biotechnology, Asia University, Taichung, Taiwan.,Chinese Medicine Research Center, China Medical University, Taichung, Taiwan
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6
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Zheng Y, Zheng Z, Zhang K, Zhu P. Osteonecrosis in systemic lupus erythematosus: Systematic insight from the epidemiology, pathogenesis, diagnosis and management. Autoimmun Rev 2021; 21:102992. [PMID: 34793961 DOI: 10.1016/j.autrev.2021.102992] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2021] [Accepted: 11/14/2021] [Indexed: 02/08/2023]
Abstract
Osteonecrosis (ON) is one of the serious and well recognized complicationscausing severe pain and disability in patients with systemic lupus erythematosus (SLE), and its manifestation and pathogenesis are only partially understood. This review provide an update of the recent progress in etiology, pathogenesis, diagnosis, and treatment of systemic lupus erythematosus related osteonecrosis (SLE-ON). Despite the concomitant use of corticosteroids, alcohol and obesity, the dysregulated immune micro-environment and the complex pathogenesis of SLE synergistically play important roles in the development of ON. Osteonecrosis of femoral head (ONFH) is the most often involved joint in SLE. The current classification and staging system of ONFH is based on imaging techniques, particularly relating to MRI and CT, for the identification and quantification of necrotic lesions. For SLE-ONFH patients, both SLE specific clinical symptoms and ONFH imaging findings should be comprehensively evaluated. Even though advances concerning bone grafting and arthroplasty procedures have resulted in improved clinical outcomes, early pharmacological treatment at the pre-collapse stage may prevent joint collapse and reduce the joint arthroplasty rate, and this needs to be accounted. Although some progress has been made, considerably more research is needed before we fully understand SLE-ONFH. Future treatments of SLE-ONFH may involve genetic or cell-based therapies that target potential biomarkers, and this will lead to effective measures for saving thefunction of hip joint and preventing osteonecrosis.
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Affiliation(s)
- Yan Zheng
- Department of Clinical Immunology, Xijing Hospital, The Fourth Military Medical University, Shaanxi Province, PR China; National Translational Science Center for Molecular Medicine, Xi'an, Shaanxi Province, PR China
| | - Zhaohui Zheng
- Department of Clinical Immunology, Xijing Hospital, The Fourth Military Medical University, Shaanxi Province, PR China
| | - Kui Zhang
- Department of Clinical Immunology, Xijing Hospital, The Fourth Military Medical University, Shaanxi Province, PR China
| | - Ping Zhu
- Department of Clinical Immunology, Xijing Hospital, The Fourth Military Medical University, Shaanxi Province, PR China; National Translational Science Center for Molecular Medicine, Xi'an, Shaanxi Province, PR China.
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7
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Parayath NN, Hao S, Stephan SB, Koehne AL, Watson CE, Stephan MT. Genetic in situ engineering of myeloid regulatory cells controls inflammation in autoimmunity. J Control Release 2021; 339:553-561. [PMID: 34437913 PMCID: PMC8599636 DOI: 10.1016/j.jconrel.2021.08.040] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Revised: 08/20/2021] [Accepted: 08/21/2021] [Indexed: 12/20/2022]
Abstract
The ability of myeloid regulatory cells (MRCs) to control immune responses and to promote tolerance has prompted enormous interest in exploiting them therapeutically to treat inflammation, autoimmunity, or to improve outcomes in transplantation. While immunomodulatory small-molecule compounds and antibodies have provided relief for some patients, the dosing entails high systemic drug exposures and thus increased risk of off-target adverse effects. More recently, MRC-based cell-therapy products have entered clinical testing for tolerance induction. However, the elaborate and expensive protocols currently required to manufacture engineered MRCs ex vivo put this approach beyond the reach of many patients who might benefit. A solution could be to directly program MRCs in vivo. Here we describe a targeted nanocarrier that delivers in vitro-transcribed mRNA encoding a key anti-inflammatory mediator. We demonstrate in models of systemic lupus erythematosus that infusions of nanoparticles formulated with mRNA encoding glucocorticoid-induced leucine zipper (GILZ) effectively control the disease. We further establish that these nanoreagents are safe for repeated dosing. Implemented in the clinic, this new therapy could enable physicians to treat autoimmune disease while avoiding systemic treatments that disrupt immune homeostasis.
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Affiliation(s)
- N N Parayath
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA 98109, USA
| | - S Hao
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA 98109, USA
| | - S B Stephan
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA 98109, USA
| | - A L Koehne
- Translational Pathology, Fred Hutchinson Cancer Research Center, Seattle, WA 98109, USA
| | - C E Watson
- Translational Pathology, Fred Hutchinson Cancer Research Center, Seattle, WA 98109, USA
| | - M T Stephan
- Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA 98109, USA; Department of Bioengineering and Molecular Engineering & Sciences Institute, University of Washington, Seattle 98195, WA, USA.
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8
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Targeting Immune Modulators in Glioma While Avoiding Autoimmune Conditions. Cancers (Basel) 2021; 13:cancers13143524. [PMID: 34298735 PMCID: PMC8306848 DOI: 10.3390/cancers13143524] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Revised: 07/02/2021] [Accepted: 07/10/2021] [Indexed: 02/06/2023] Open
Abstract
Communication signals and signaling pathways are often studied in different physiological systems. However, it has become abundantly clear that the immune system is not self-regulated, but functions in close association with the nervous system. The neural-immune interface is complex; its balance determines cancer progression, as well as autoimmune disorders. Immunotherapy remains a promising approach in the context of glioblastoma multiforme (GBM). The primary obstacle to finding effective therapies is the potent immunosuppression induced by GBM. Anti-inflammatory cytokines, induction of regulatory T cells, and the expression of immune checkpoint molecules are the key mediators for immunosuppression in the tumor microenvironment. Immune checkpoint molecules are ligand-receptor pairs that exert inhibitory or stimulatory effects on immune responses. In the past decade, they have been extensively studied in preclinical and clinical trials in diseases such as cancer or autoimmune diseases in which the immune system has failed to maintain homeostasis. In this review, we will discuss promising immune-modulatory targets that are in the focus of current clinical research in glioblastoma, but are also in the precarious position of potentially becoming starting points for the development of autoimmune diseases like multiple sclerosis.
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9
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Vascular Endothelial Growth Factor Biology and Its Potential as a Therapeutic Target in Rheumatic Diseases. Int J Mol Sci 2021; 22:ijms22105387. [PMID: 34065409 PMCID: PMC8161097 DOI: 10.3390/ijms22105387] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2021] [Revised: 05/14/2021] [Accepted: 05/18/2021] [Indexed: 12/11/2022] Open
Abstract
Rheumatic diseases constitute a diversified group of diseases distinguished by arthritis and often involve other organs. The affected individual has low quality of life, productivity even life-threatening in some severe conditions. Moreover, they impose significant economic and social burdens. In recent years, the patient outcome has been improved significantly due to clearer comprehension of the pathology of rheumatic diseases and the effectiveness of "treat to target" therapies. However, the high cost and the adverse effects are the concerns and full remissions are not often observed. One of the main processes that contributes to the pathogenesis of rheumatic diseases is angiogenesis. Vascular endothelial growth factor (VEGF), a central mediator that regulates angiogenesis, has different isoforms and functions in various physiological processes. Increasing evidence suggests an association between the VEGF system and rheumatic diseases. Anti-VEGF and VEGF receptor (VEGFR) therapies have been used to treat several cancers and eye diseases. This review summarizes the current understanding of VEGF biology and its role in the context of rheumatic diseases, the contribution of VEGF bioavailability in the pathogenesis of rheumatic diseases, and the potential implications of therapeutic approaches targeting VEGF for these diseases.
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10
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Role of VEGF Polymorphisms in the Susceptibility and Severity of Interstitial Lung Disease. Biomedicines 2021; 9:biomedicines9050458. [PMID: 33922301 PMCID: PMC8145193 DOI: 10.3390/biomedicines9050458] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 04/17/2021] [Accepted: 04/19/2021] [Indexed: 11/23/2022] Open
Abstract
The search for biomarkers that can help to establish an early diagnosis and prognosis of interstitial lung disease (ILD) is of potential interest. VEGF polymorphisms have been implicated in the development of several lung disorders. Consequently, we assessed, for the first time, the role of VEGF polymorphisms in the susceptibility and severity of ILD. A total of 436 Caucasian ILD patients (244 with idiopathic interstitial pneumonias (IIPs) and 192 with non-IIP) and 536 ethnically-matched healthy controls were genotyped for VEGF rs833061, rs1570360, rs2010963, rs3025020, and rs3025039 polymorphisms by TaqMan assays. Pulmonary function tests were collected from all the patients. VEGF serum levels were determined by ELISA in a subgroup of patients. No VEGF genotype, allele, carrier, or haplotype differences were found between ILD patients and controls as well as between IIP and non-IIP patients. However, an association of rs1570360 with IIP in women and also with lung function in IIP patients was found. None of the VEGF polymorphisms were associated with VEGF levels. In conclusion, our results suggest that VEGF does not seem to play a relevant role in ILD, although rs1570360 may influence the severity of ILD in women and a worse outcome in IIP patients.
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11
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Gewirtz AN, Gao V, Parauda SC, Robbins MS. Posterior Reversible Encephalopathy Syndrome. Curr Pain Headache Rep 2021; 25:19. [PMID: 33630183 PMCID: PMC7905767 DOI: 10.1007/s11916-020-00932-1] [Citation(s) in RCA: 47] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/29/2020] [Indexed: 12/11/2022]
Abstract
Purpose of Review This review provides an updated discussion on the clinical presentation, diagnosis and radiographic features, mechanisms, associations and epidemiology, treatment, and prognosis of posterior reversible encephalopathy syndrome (PRES). Headache is common in PRES, though headache associated with PRES was not identified as a separate entity in the 2018 International Classification of Headache Disorders. Here, we review the relevant literature and suggest criteria for consideration of its inclusion. Recent Findings COVID-19 has been identified as a potential risk factor for PRES, with a prevalence of 1–4% in patients with SARS-CoV-2 infection undergoing neuroimaging, thus making a discussion of its identification and treatment particularly timely given the ongoing global pandemic at the time of this writing. Summary PRES is a neuro-clinical syndrome with specific imaging findings. The clinical manifestations of PRES include headache, seizures, encephalopathy, visual disturbances, and focal neurologic deficits. Associations with PRES include renal failure, preeclampsia and eclampsia, autoimmune conditions, and immunosuppression. PRES is theorized to be a syndrome of disordered autoregulation and endothelial dysfunction resulting in preferential hyperperfusion of the posterior circulation. Treatment typically focuses on treating the underlying cause and removal of the offending agents.
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Affiliation(s)
- Alexandra N Gewirtz
- Department of Neurology, New York-Presbyterian Hospital, Weill Cornell Medicine, 525 East 68th Street, New York, NY, 10065, USA.
| | - Virginia Gao
- Department of Neurology, New York-Presbyterian Hospital, Weill Cornell Medicine, 525 East 68th Street, New York, NY, 10065, USA
| | - Sarah C Parauda
- Department of Neurology, New York-Presbyterian Hospital, Weill Cornell Medicine, 525 East 68th Street, New York, NY, 10065, USA
| | - Matthew S Robbins
- Department of Neurology, New York-Presbyterian Hospital, Weill Cornell Medicine, 525 East 68th Street, New York, NY, 10065, USA
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12
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Gualdoni GS, Jacobo PV, Sobarzo CM, Pérez CV, Durand LAH, Theas MS, Lustig L, Guazzone VA. Relevance of angiogenesis in autoimmune testis inflammation. Mol Hum Reprod 2021; 27:gaaa073. [PMID: 33313783 DOI: 10.1093/molehr/gaaa073] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2020] [Revised: 10/01/2020] [Indexed: 12/27/2022] Open
Abstract
Experimental autoimmune orchitis (EAO) is a useful model to study organ-specific autoimmunity and chronic testicular inflammation. This model reflects testicular pathological changes reported in immunological infertility in men. Progression of EAO in rodents is associated with a significantly increased percentage of testicular endothelial cells and interstitial testicular blood vessels, indicating an ongoing angiogenic process. Vascular endothelial growth factor A (VEGFA), the main regulator of physiological and pathological angiogenesis, can stimulate endothelial cell proliferation, chemotaxis and vascular permeability. The aim of this study was to explore the role of VEGFA in the pathogenesis of testicular inflammation. Our results found VEGFA expression in Leydig cells, endothelial cells and macrophages in testis of rats with autoimmune orchitis. VEGFA level was significantly higher in testicular fluid and serum of rats at the end of the immunization period, preceding testicular damage. VEGF receptor (VEGFR) 1 is expressed mainly in testicular endothelial cells, whereas VEGFR2 was detected in germ cells and vascular smooth muscle cells. Both receptors were expressed in testicular interstitial cells. VEGFR2 increased after the immunization period in the testicular interstitium and VEGFR1 was downregulated in EAO testis. In-vivo-specific VEGFA inhibition by Bevacizumab prevented the increase in blood vessel number and reduced EAO incidence and severity. Our results unveil relevance of VEGFA-VEGFR axis during orchitis development, suggesting that VEGFA might be an early marker of testicular inflammation and Bevacizumab a therapeutic tool for treatment of testicular inflammation associated with subfertility and infertility.
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Affiliation(s)
- Gisela Soledad Gualdoni
- Departamento de Biología Celular e Histología/Unidad Académica II, Facultad de Medicina, Universidad de Buenos Aires (UBA), Ciudad Autónoma de Buenos Aires C1121ABG, Argentina
- Instituto de Investigaciones Biomédicas (INBIOMED), Facultad de Medicina, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Universidad de Buenos Aires (UBA), Ciudad Autónoma de Buenos Aires C1121ABG, Argentina
| | - Patricia Verónica Jacobo
- Departamento de Biología Celular e Histología/Unidad Académica II, Facultad de Medicina, Universidad de Buenos Aires (UBA), Ciudad Autónoma de Buenos Aires C1121ABG, Argentina
- Instituto de Investigaciones Biomédicas (INBIOMED), Facultad de Medicina, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Universidad de Buenos Aires (UBA), Ciudad Autónoma de Buenos Aires C1121ABG, Argentina
| | - Cristian Marcelo Sobarzo
- Departamento de Biología Celular e Histología/Unidad Académica II, Facultad de Medicina, Universidad de Buenos Aires (UBA), Ciudad Autónoma de Buenos Aires C1121ABG, Argentina
- Instituto de Investigaciones Biomédicas (INBIOMED), Facultad de Medicina, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Universidad de Buenos Aires (UBA), Ciudad Autónoma de Buenos Aires C1121ABG, Argentina
| | - Cecilia Valeria Pérez
- Instituto de Investigaciones Biomédicas (INBIOMED), Facultad de Medicina, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Universidad de Buenos Aires (UBA), Ciudad Autónoma de Buenos Aires C1121ABG, Argentina
| | - Luis Alberto Haro Durand
- Instituto de Biología y Medicina Experimental (IBYME), CONICET, Ciudad Autónoma de Buenos Aires C1428ADN, Argentina
| | - María Susana Theas
- Departamento de Biología Celular e Histología/Unidad Académica II, Facultad de Medicina, Universidad de Buenos Aires (UBA), Ciudad Autónoma de Buenos Aires C1121ABG, Argentina
- Instituto de Investigaciones Biomédicas (INBIOMED), Facultad de Medicina, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Universidad de Buenos Aires (UBA), Ciudad Autónoma de Buenos Aires C1121ABG, Argentina
| | - Livia Lustig
- Departamento de Biología Celular e Histología/Unidad Académica II, Facultad de Medicina, Universidad de Buenos Aires (UBA), Ciudad Autónoma de Buenos Aires C1121ABG, Argentina
- Instituto de Investigaciones Biomédicas (INBIOMED), Facultad de Medicina, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Universidad de Buenos Aires (UBA), Ciudad Autónoma de Buenos Aires C1121ABG, Argentina
| | - Vanesa Anabella Guazzone
- Departamento de Biología Celular e Histología/Unidad Académica II, Facultad de Medicina, Universidad de Buenos Aires (UBA), Ciudad Autónoma de Buenos Aires C1121ABG, Argentina
- Instituto de Investigaciones Biomédicas (INBIOMED), Facultad de Medicina, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Universidad de Buenos Aires (UBA), Ciudad Autónoma de Buenos Aires C1121ABG, Argentina
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13
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Mancardi D, Arrigo E, Cozzi M, Cecchi I, Radin M, Fenoglio R, Roccatello D, Sciascia S. Endothelial dysfunction and cardiovascular risk in lupus nephritis: New roles for old players? Eur J Clin Invest 2021; 51:e13441. [PMID: 33128260 DOI: 10.1111/eci.13441] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/11/2020] [Revised: 10/23/2020] [Accepted: 10/28/2020] [Indexed: 12/19/2022]
Abstract
In systemic lupus erythematosus (SLE) patients, most of the clinical manifestation share a vascular component triggered by endothelial dysfunction. Endothelial cells (ECs) activation occurs both on the arterial and venous side, and the high vascular density of kidneys accounts for the detrimental outcomes of SLE through lupus nephritis (LN). Kidney damage, in turn, exerts a negative feedback on the cardiovascular (CV) system aggravating risk factors for CV diseases such as hypertension, stroke and coronary syndrome among others. Despite the intensive investigation on SLE and LN, the role of endothelial dysfunction, as well as the underlying mechanisms, remains to be fully understood, with no specifically targeted pharmacological treatment. It is not known, in fact, if the activation pathway(s) in venous ECs are similar to the one in arterial ECs and doubts persist on the shared manifestation of microcirculation compared to macrocirculation. In this work, we aim to review the recent literature about the role of endothelial activation and dysfunction in the development of CV complications in SLE and LN patients. We, therefore, focus on arteriovenous similarities and differences and on specific pathways of great vessels compared to capillaries. Critically summarising the available data is of pivotal importance for both basic researchers and clinicians in order to develop and test new pharmacological approaches in the treatment of basic components of SLE and LN.
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Affiliation(s)
- Daniele Mancardi
- Department of Clinical and Biological Sciences, University of Torino, Torino, Italy
| | - Elisa Arrigo
- Department of Clinical and Biological Sciences, University of Torino, Torino, Italy
| | - Martina Cozzi
- Department of Clinical and Biological Sciences, Center of Research of Immunopathology and Rare Diseases-Nephrology and Dialysis S. Giovanni Bosco Hospital, University of Turin, Turin, Italy.,School of Specialization in Nephrology, University of Verona, Verona, Italy
| | - Irene Cecchi
- Department of Clinical and Biological Sciences, Center of Research of Immunopathology and Rare Diseases-Nephrology and Dialysis S. Giovanni Bosco Hospital, University of Turin, Turin, Italy
| | - Massimo Radin
- Department of Clinical and Biological Sciences, Center of Research of Immunopathology and Rare Diseases-Nephrology and Dialysis S. Giovanni Bosco Hospital, University of Turin, Turin, Italy
| | - Roberta Fenoglio
- Department of Clinical and Biological Sciences, Center of Research of Immunopathology and Rare Diseases-Nephrology and Dialysis S. Giovanni Bosco Hospital, University of Turin, Turin, Italy
| | - Dario Roccatello
- Department of Clinical and Biological Sciences, Center of Research of Immunopathology and Rare Diseases-Nephrology and Dialysis S. Giovanni Bosco Hospital, University of Turin, Turin, Italy
| | - Savino Sciascia
- Department of Clinical and Biological Sciences, Center of Research of Immunopathology and Rare Diseases-Nephrology and Dialysis S. Giovanni Bosco Hospital, University of Turin, Turin, Italy
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Aslanalp Z, Tikiz C, Ulusoy A, Orguc Ş, Bİlgİ Yedekcİ A, Ulman C. The Relationship Between Serum Angiogenic Factor Levels and Disease Activity in Rheumatoid Arthritis. Arch Rheumatol 2021; 35:416-425. [PMID: 33458666 PMCID: PMC7788655 DOI: 10.46497/archrheumatol.2020.7416] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2019] [Accepted: 09/04/2019] [Indexed: 12/03/2022] Open
Abstract
Objectives
This study aims to evaluate the relationship between serum angiogenic factor levels and disease activity in patients with rheumatoid arthritis (RA) using both clinical and dynamic wrist magnetic resonance imaging (MRI) data. Patients and methods
Simultaneous serum angiogenesis markers [vascular endothelial growth factor (VEGF), angiopoietin-1 (ANG1), ANG2, and tyrosine-protein kinase receptor for angiopoietin (Tie-2)] were studied in 40 patients with RA (13 males, 27 females; mean age 51.1±10.8 years; range, 23 to 69 years) and 20 healthy controls (11 males, 9 females; mean age 47.3±12.8 years; range, 29 to 69 years) and dynamic contrast-enhanced wrist MRI was performed in 40 RA patients and seven controls. Rate of early in 55th second (REE) and Relative enhancement (REt) values were calculated from the signal time curve values obtained from the analysis of images. In clinical assessment, duration of morning stiffness, patient pain assessment [visual analog scale (VAS)], physician and patient global assessments (VAS) were recorded. The number of tender joints and swollen joints were determined. Disease activity score 28 and Ritchie scores were calculated. Health assessment questionnaire was used for functional evaluation. Anti-cyclic citrullinated peptide, rheumatoid factor, erythrocyte sedimentation rate and high sensitive C-reactive protein analyses were performed. Results
Serum VEGF, REE and REt values were significantly higher in RA patients than healthy controls (p=0.002, p=0.00, p=0.00, respectively). There was no significant correlation between serum angiogenesis markers and clinical parameters or REE and REt (p>0.05). VEGF value correlated positively with disease duration (p=0.024). Conclusion Serum VEGF was higher in RA patients. While its level was associated with disease duration, no significant correlation was found with disease activity. As a diagnostic test, dynamic contrast-enhanced MRI was a valuable method for showing disease activity.
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Affiliation(s)
- Zahide Aslanalp
- Department of Physical Medicine and Rehabilitation, Manisa Celal Bayar University Faculty of Medicine, Manisa, Turkey
| | - Canan Tikiz
- Department of Physical Medicine and Rehabilitation, Manisa Celal Bayar University Faculty of Medicine, Manisa, Turkey
| | - Aslıhan Ulusoy
- Department of Physical Medicine and Rehabilitation, Manisa Celal Bayar University Faculty of Medicine, Manisa, Turkey
| | - Şebnem Orguc
- Department of Radiodiagnostic, Manisa Celal Bayar University Faculty of Medicine, Manisa, Turkey
| | - Aysun Bİlgİ Yedekcİ
- Department of Biochemistry, Manisa Celal Bayar University Faculty of Medicine, Manisa, Turkey
| | - Cevval Ulman
- Department of Biochemistry, Manisa Celal Bayar University Faculty of Medicine, Manisa, Turkey
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15
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Testicular torsion: its effect on autoimmunisation, pituitary-testis axis and correlation with primary gonadal dysfunction in boys. Pediatr Res 2021; 90:1193-1200. [PMID: 33603210 PMCID: PMC8671086 DOI: 10.1038/s41390-021-01382-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Accepted: 01/06/2021] [Indexed: 12/13/2022]
Abstract
BACKGROUND Torsion of the testis is an urgent surgical condition that endangers the viability of the gonad and the fertility of the patient. Our aim was to assess potential autoimmune processes and hormonal abnormalities in boys operated on due to that illness. METHODS The authors evaluated the levels of antibodies against sperm and Leydig cells, concentrations of follicle-stimulating, luteinizing and anti-Müllerian hormone, testosterone, oestradiol and vascular endothelial growth factor in the serum in 28 boys operated on due to torsion of the testis. Patients' sexual maturity was assessed according the Tanner scale (group G1, G4 and G5). RESULTS No antibodies against sperm or Leydig cells were found in the serum. Statistically significant differences in follicle-stimulating and anti-Müllerian hormone concentrations were observed in the G1, and they were higher in the study than in the control group. There were no statistically significant differences in luteinizing hormone, testosterone, oestradiol and vascular endothelial growth factor concentrations in the study group or control group. Testosterone concentration was unrelated to total testicular volume. CONCLUSIONS Results did not confirm the autoimmune process in boys with torsion of the testis. The pituitary-testis axis seems to have sufficient compensation capabilities. However, study results suggest that primary gonadal dysfunction may predispose to torsion. IMPACT Significant differences exist between the literature data and own results on the formation of antibodies and hormonal changes due to testicular torsion in boys. It is a novel, prospective study on antibodies against sperms and Leydig cells in the serum and on hormonal processes occurring as a result of the testicular torsion from the prenatal period to the adolescence with division into pubertal groups. The study has revealed sufficient compensation capabilities of the pituitary-testis axis and no autoimmune process in boys with torsion of the testis.
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16
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Okamoto M, Watanabe M, Inoue N, Ogawa K, Hidaka Y, Iwatani Y. Gene polymorphisms of VEGF and VEGFR2 are associated with the severity of Hashimoto's disease and the intractability of Graves' disease, respectively. Endocr J 2020; 67:545-559. [PMID: 32074519 DOI: 10.1507/endocrj.ej19-0480] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Vascular endothelial growth factor (VEGF) is one of main regulators of angiogenesis that functions by binding to its receptors, including VEGF receptor (VEGFR) 2. There are few data available regarding the association between VEGF and VEGFR polymorphisms and the susceptibility to and prognosis of autoimmune thyroid diseases (AITDs). To elucidate this association, we genotyped four functional VEGF and two VEGFR2 polymorphisms and measured serum VEGF levels. In the four functional VEGF polymorphisms, the frequencies of the I carrier and I allele of VEGF -2549 I/D, which has lower activity, were higher in patients with severe HD than in those with mild HD. In the two functional VEGFR2 polymorphisms, the frequency of the rs2071559 CC genotype, which has higher activity, was higher in patients with intractable GD than in controls, and the proportion of GD patients with larger goiters was higher in those with the CC genotype. Moreover, the frequency of the rs1870377 TT genotype with higher activity was higher in patients with intractable GD than in those with GD in remission. Combinations of VEGF and VEGFR2 polymorphisms with stronger interactions were associated with the intractability of GD. Serum VEGF levels were higher in HD and AITD patients than those in controls. In conclusion, VEGF polymorphisms with lower activity were associated with the severity of HD, while VEGFR2 polymorphisms and the combinations of VEGF and VEGFR2 polymorphisms, which have stronger interactions, were associated with the intractability of GD. VEGF and VEGFR2 polymorphisms were associated with HD severity and GD intractability, respectively.
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Affiliation(s)
- Mami Okamoto
- Department of Biomedical Informatics, Division of Health Sciences, Osaka University Graduate School of Medicine, Osaka 565-0871, Japan
| | - Mikio Watanabe
- Department of Biomedical Informatics, Division of Health Sciences, Osaka University Graduate School of Medicine, Osaka 565-0871, Japan
| | - Naoya Inoue
- Department of Biomedical Informatics, Division of Health Sciences, Osaka University Graduate School of Medicine, Osaka 565-0871, Japan
- Laboratory for Clinical Investigation, Osaka University Hospital, Osaka 565-0871, Japan
| | - Kazane Ogawa
- Department of Biomedical Informatics, Division of Health Sciences, Osaka University Graduate School of Medicine, Osaka 565-0871, Japan
| | - Yoh Hidaka
- Laboratory for Clinical Investigation, Osaka University Hospital, Osaka 565-0871, Japan
| | - Yoshinori Iwatani
- Department of Biomedical Informatics, Division of Health Sciences, Osaka University Graduate School of Medicine, Osaka 565-0871, Japan
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Azimi G, Ranjbaran F, Arsang-Jang S, Ghafouri-Fard S, Mazdeh M, Sayad A, Taheri M. Upregulation of VEGF-A and correlation between VEGF-A and FLT-1 expressions in Iranian multiple sclerosis patients. Neurol Sci 2020; 41:1459-1465. [PMID: 31925615 DOI: 10.1007/s10072-019-04234-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2018] [Accepted: 12/30/2019] [Indexed: 12/14/2022]
Abstract
Multiple sclerosis (MS) is among the most common diseases affecting brain and spinal cord. MS progression is characterized by breakdown of blood brain barrier which leads to increased vascular permeability and angiogenesis. Consequently, vascular endothelial growth factor A (VEGF) and its receptors are considered to be important components of MS progression. VEGFA and fms-related tyrosine kinase 1 (FLT1) play important roles in various aspects of MS. In this study, we investigated the relationship between these genes and MS. For this purpose, the expression levels of VEGFA and FLT1 were measured in the blood of 50 relapsing-remitting MS (RR-MS) patients and 50 healthy individuals using TaqMan quantitative real-time PCR. A significant upregulation of VEGFA expression was observed among MS patients compared with controls (p = 0.04). However, the difference in FLT1 gene expression between study groups was insignificant (p = 0.947). In addition, there was a significant positive correlation between VEGFA and FLT1 genes expressions (r = 0.769, p < 0.0001). In spite of the highly complex molecular mechanisms behind this, the findings imply participation of VEGFA in the pathogenesis of MS.
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Affiliation(s)
- Ghazaleh Azimi
- Department of Medical Genetics, School of Medicine, Shahid Beheshti University of Medical Sciences, PO Box 1985717443, Tehran, Iran
| | | | - Shahram Arsang-Jang
- Clinical Research Development Center (CRDU), Qom University of Medical Sciences, Qom, Iran
| | - Soudeh Ghafouri-Fard
- Department of Medical Genetics, School of Medicine, Shahid Beheshti University of Medical Sciences, PO Box 1985717443, Tehran, Iran
| | - Mehrdokht Mazdeh
- Neurophysiology Research Center, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Arezou Sayad
- Department of Medical Genetics, School of Medicine, Shahid Beheshti University of Medical Sciences, PO Box 1985717443, Tehran, Iran.
| | - Mohammad Taheri
- Urogenital Stem Cell Research Center, Shahid Beheshti University of Medical Sciences, PO Box 1985717443, Tehran, Iran.
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18
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Saravani M, Rokni M, Mehrbani M, Amirkhosravi A, Faramarz S, Fatemi I, Esmaeili Tarzi M, Nematollahi MH. The evaluation of VEGF and HIF-1α gene polymorphisms and multiple sclerosis susceptibility. J Gene Med 2019; 21:e3132. [PMID: 31652374 DOI: 10.1002/jgm.3132] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2019] [Revised: 09/03/2019] [Accepted: 10/02/2019] [Indexed: 11/11/2022] Open
Abstract
BACKGROUND Multiple sclerosis (MS) is an autoimmune disease that leads to myelin sheath destruction. Hypoxia-inducible factor 1 (HIF-1) has several roles in cells, such as inducing inflammation and angiogenesis. Recently, several lines of evidence have indicated the role of the hypoxia response and the HIF-1 signaling pathway in an autoimmune disease such as MS. The present study aimed to evaluate the effects of HIF-1α gene polymorphisms and vascular endothelial growth factor (VEGF) (as a major target gene of HIF-1α) gene polymorphism on MS susceptibility. METHODS In total, 150 MS patients and 150 healthy age- and gender-matched people as a control group participated in the present study. The polymerase chain reaction-restriction fragment length polymorphism method was used for genotyping. RESULTS The results obtained showed that the CC genotype of the VEGF rs699947 polymorphism was significantly higher in the case group than in the control group (p = 0.004). Also, we showed a significant relationship between the VEGF rs699947 polymorphism and MS in a dominant inheritance model (p = 0.005). Regarding the VEGF rs699947 polymorphism allelic distribution, the C allele frequency was significantly higher in the control group than in the case group (71.3% versus 61%, respectively, p = 0.009) and decreased the MS susceptibility by 1.6-fold (odds ratio = 1.6, 95% confidence interval = 1.2-2.2). There was no significant difference between the two groups with respect to HIF-1α rs11549465 genotypic distribution. The HIF-1α C111A polymorphism was non-polymorphic in our study population, except in the case group where nine subjects carried the CA genotype. CONCLUSIONS We show a significant association between VEGF rs60047 polymorphism and MS susceptibility. However, our results do not show a significant association between MS and HIF-1α polymorphisms.
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Affiliation(s)
- Mohsen Saravani
- Cellular and Molecular Research Center, Zahedan University of Medical Sciences, Zahedan, Iran.,Department of Clinical Biochemistry, School of Medicine, Zahedan University of Medical Sciences, Zahedan, Iran
| | - Mohsen Rokni
- Department of Immunology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Mehrzad Mehrbani
- Herbal and Traditional Medicines Research Center, Kerman University of Medical Sciences, Kerman, Iran.,Department of Traditional Medicine, School of Persian Medicine, Kerman University of Medical Sciences, Tehran, Iran
| | - Arian Amirkhosravi
- Food, Drug and Cosmetic Safety Research Center, Kerman University of Medical Sciences, Kerman, Iran
| | - Sanaz Faramarz
- Kerman Neuroscience Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran.,Department of Clinical Biochemistry, School of Medicine, Kerman University of Medical Sciences, Kerman, Iran
| | - Iman Fatemi
- Research Center of Tropical and Infectious Diseases, Kerman University of Medical Sciences, Kerman, Iran
| | - Mojdeh Esmaeili Tarzi
- Physiology Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran
| | - Mohammad Hadi Nematollahi
- Student Research Committee, Kerman University of Medical Sciences, Kerman, Iran.,Department of Clinical Biochemistry, School of Medicine, Kerman University of Medical Sciences, Kerman, Iran
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KDR (VEGFR2) Genetic Variants and Serum Levels in Patients with Rheumatoid Arthritis. Biomolecules 2019; 9:biom9080355. [PMID: 31405022 PMCID: PMC6727087 DOI: 10.3390/biom9080355] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2019] [Revised: 08/06/2019] [Accepted: 08/07/2019] [Indexed: 12/17/2022] Open
Abstract
We investigated kinase insert domain-containing receptor (KDR) polymorphisms and protein levels in relation to susceptibility to and severity of Rheumatoid Arthritis (RA). 641 RA patients and 340 controls (HC) were examined for the rs1870377 KDR variant by the polymerase chain reaction (PCR)-restriction fragment length polymorphism (RFLP) method and for rs2305948 and rs2071559 KDR single nucleotide polymorphisms (SNPs) by TaqMan SNP genotyping assay. KDR serum levels were determined by enzyme-linked immunosorbent assay (ELISA). The rs1870377 KDR variant has shown association with RA under the codominant (p = 0.02, OR = 1.76, 95% CI = 1.09–2.85) and recessive models (p = 0.019, OR = 1.53, 95% CI = 1.07–2.20). KDR rs2305948 was associated with RA under the dominant model (p = 0.005, OR = 1.38, 95% CI = 1.10–1.73). Under the codominant model, the frequency of the rs2071559 TC and GG genotypes were lower in RA patients than in controls (p < 0.001, OR = 0.51, 95% CI = 0.37–0.69, and p = 0.002, OR = 0.57, 95% CI = 0.39–0.81). KDR rs2071559 T and rs2305948 A alleles were associated with RA (p = 0.001, OR = 0.60, 95% CI = 0.45–0.81 and p = 0.008, OR = 1.71, CI = 1.15–2.54). KDR rs2305948SNP was associated with Disease Activity Score (DAS)-28 score (p < 0.001), Visual Analog Scale (VAS) score (p < 0.001), number of swollen joints (p < 0.001), mean value of CRP (p < 0.001). A higher KDR serum level was found in RA patients than in HC (8018 pg/mL versus 7381 pg/mL, p = 0.002). Present results shed light on the role of KDR genetic variants in the severity of RA.
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Current and Future Trends on Diagnosis and Prognosis of Glioblastoma: From Molecular Biology to Proteomics. Cells 2019; 8:cells8080863. [PMID: 31405017 PMCID: PMC6721640 DOI: 10.3390/cells8080863] [Citation(s) in RCA: 143] [Impact Index Per Article: 28.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2019] [Revised: 08/02/2019] [Accepted: 08/06/2019] [Indexed: 02/07/2023] Open
Abstract
Glioblastoma multiforme is the most aggressive malignant tumor of the central nervous system. Due to the absence of effective pharmacological and surgical treatments, the identification of early diagnostic and prognostic biomarkers is of key importance to improve the survival rate of patients and to develop new personalized treatments. On these bases, the aim of this review article is to summarize the current knowledge regarding the application of molecular biology and proteomics techniques for the identification of novel biomarkers through the analysis of different biological samples obtained from glioblastoma patients, including DNA, microRNAs, proteins, small molecules, circulating tumor cells, extracellular vesicles, etc. Both benefits and pitfalls of molecular biology and proteomics analyses are discussed, including the different mass spectrometry-based analytical techniques, highlighting how these investigation strategies are powerful tools to study the biology of glioblastoma, as well as to develop advanced methods for the management of this pathology.
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21
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Pihan M, Keddie S, D'Sa S, Church AJ, Yong KL, Reilly MM, Lunn MP. Raised VEGF: High sensitivity and specificity in the diagnosis of POEMS syndrome. NEUROLOGY-NEUROIMMUNOLOGY & NEUROINFLAMMATION 2018; 5:e486. [PMID: 30175160 PMCID: PMC6117193 DOI: 10.1212/nxi.0000000000000486] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/02/2018] [Accepted: 06/29/2018] [Indexed: 12/24/2022]
Abstract
Objective To investigate the sensitivity and the specificity of serum vascular endothelial growth factor (sVEGF) for the diagnosis of polyneuropathy, organomegaly, endocrinopathy, M-protein, and skin changes (POEMS) syndrome in patients with a neuropathy (NP) and to identify confounding causes of raised vascular endothelial growth factor (VEGF) in this context to improve accuracy. Methods We studied the specificity and sensitivity of sVEGF for the diagnosis of POEMS syndrome in a cohort of 195 consecutive patients with an NP in serum samples from June 2009 to November 2013, including 27 untreated patients with POEMS syndrome. We then studied VEGF in other neuropathies and analyzed causes of elevated VEGF in a multiple logistic regression analysis in a larger cohort of 236 patients including 168 with a non-POEMS NP and 68 without NP. Results The sensitivity of elevated sVEGF for the diagnosis of POEMS was 100%. Its specificity was 91% in patients with an NP and 92% in patients with an NP and a paraproteinemia. sVEGF was much higher in POEMS before treatment. sVEGF was not significantly elevated in any non-POEMS NP or hematologic disease group. Multiple logistic regression showed that anemia with low iron was a significant predictor for elevated sVEGF and that chronic obstructive pulmonary disease (COPD) and obstructive sleep apnoea-hypopnoea syndrome were significant predictors for very elevated sVEGF. Interpretation We confirmed the high sensitivity and specificity of an elevated VEGF for the diagnosis of POEMS. However, VEGF testing should be repeated, particularly after acute illnesses. Raised sVEGF should be interpreted with caution unless anemias with low iron, sleep apnea, COPD, cancers, vasculitis, and chronic inflammatory diseases are excluded. Classification of evidence This study provides class IV evidence that elevated sVEGF levels accurately identifies patients with POEMS syndrome.
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Affiliation(s)
- Morgane Pihan
- MRC Centre for Neuromuscular Diseases (M.P., S.K., M.M.R., M.P.L.), National Hospital for Neurology and Neurosurgery, Queen Square, London, UK; Cancer Division (S.D., K.L.Y.), University College London Hospitals NHS Foundation Trust, London, UK; and Department of Neuroimmunology (A.J.C., M.P.L.), Institute of Neurology, Queen Square, London, UK
| | - Stephen Keddie
- MRC Centre for Neuromuscular Diseases (M.P., S.K., M.M.R., M.P.L.), National Hospital for Neurology and Neurosurgery, Queen Square, London, UK; Cancer Division (S.D., K.L.Y.), University College London Hospitals NHS Foundation Trust, London, UK; and Department of Neuroimmunology (A.J.C., M.P.L.), Institute of Neurology, Queen Square, London, UK
| | - Shirley D'Sa
- MRC Centre for Neuromuscular Diseases (M.P., S.K., M.M.R., M.P.L.), National Hospital for Neurology and Neurosurgery, Queen Square, London, UK; Cancer Division (S.D., K.L.Y.), University College London Hospitals NHS Foundation Trust, London, UK; and Department of Neuroimmunology (A.J.C., M.P.L.), Institute of Neurology, Queen Square, London, UK
| | - Andrew J Church
- MRC Centre for Neuromuscular Diseases (M.P., S.K., M.M.R., M.P.L.), National Hospital for Neurology and Neurosurgery, Queen Square, London, UK; Cancer Division (S.D., K.L.Y.), University College London Hospitals NHS Foundation Trust, London, UK; and Department of Neuroimmunology (A.J.C., M.P.L.), Institute of Neurology, Queen Square, London, UK
| | - Kwee L Yong
- MRC Centre for Neuromuscular Diseases (M.P., S.K., M.M.R., M.P.L.), National Hospital for Neurology and Neurosurgery, Queen Square, London, UK; Cancer Division (S.D., K.L.Y.), University College London Hospitals NHS Foundation Trust, London, UK; and Department of Neuroimmunology (A.J.C., M.P.L.), Institute of Neurology, Queen Square, London, UK
| | - Mary M Reilly
- MRC Centre for Neuromuscular Diseases (M.P., S.K., M.M.R., M.P.L.), National Hospital for Neurology and Neurosurgery, Queen Square, London, UK; Cancer Division (S.D., K.L.Y.), University College London Hospitals NHS Foundation Trust, London, UK; and Department of Neuroimmunology (A.J.C., M.P.L.), Institute of Neurology, Queen Square, London, UK
| | - Michael P Lunn
- MRC Centre for Neuromuscular Diseases (M.P., S.K., M.M.R., M.P.L.), National Hospital for Neurology and Neurosurgery, Queen Square, London, UK; Cancer Division (S.D., K.L.Y.), University College London Hospitals NHS Foundation Trust, London, UK; and Department of Neuroimmunology (A.J.C., M.P.L.), Institute of Neurology, Queen Square, London, UK
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da Silva TCP, Silva MG, Shinjo SK. Relevance of serum angiogenic cytokines in adult patients with dermatomyositis. Adv Rheumatol 2018; 58:17. [DOI: 10.1186/s42358-018-0018-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2018] [Accepted: 07/02/2018] [Indexed: 11/10/2022] Open
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Ghazali WSW, Iberahim R, Ashari NSM. Serum Vascular Endothelial Growth Factor (VEGF) as a Biomarker for Disease Activity in Lupus Nephritis. Malays J Med Sci 2017; 24:62-72. [PMID: 29386973 PMCID: PMC5772816 DOI: 10.21315/mjms2017.24.5.7] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2017] [Accepted: 08/22/2017] [Indexed: 10/18/2022] Open
Abstract
BACKGROUND Previous studies have shown that serum VEGF levels were elevated in patients with active systemic lupus erythematosus (SLE), especially in those with lupus nephritis (LN). In this case control study, we aimed to compare serum levels of VEGF in SLE patients between LN, non-LN and healthy participants to determine the association between serum VEGF levels and the activity and histological classes of lupus nephritis. METHODS Blood samples were obtained from 92 SLE patients (46 LN and 46 non-LN) and 26 controls. Data were collected from medical records. Serum VEGF assays were performed by specific, enzyme-linked immunosorbent assay kits (ELISA). Laboratory investigations included urinalysis, urine protein-creatinine ratio, serum creatinine, albumin and VEGF levels. Blood pressure, renal biopsy result and treatment were recorded. LN activity was evaluated using the renal subscale of the British Isles Lupus Assessment Group (rBILAG, 2004). The rBILAG measures blood pressure (diastolic and systolic), urine protein, serum creatinine, calculated glomerular filtration rate (GFR), presence of active urinary sediments and histological evidence of active nephritis. RESULTS Serum VEGF was elevated in SLE patients with LN compared with the non-LN group and healthy controls. The levels found were significantly higher in the sera of patients with active nephritis compared to those with quiescent nephritis (P = 0.024). The study did not find a statistically significant relationship between serum VEGF levels and histological classes of LN. CONCLUSION There was no significant difference of serum VEGF level between LN and non-LN SLE groups and between the non-LN group and healthy controls. However, there were increased levels of serum VEGF in the LN group, especially in patients with active nephritis as compared to quiescent nephritis group. This reflects the role of VEGF in the pathogenesis of lupus nephritis, however the clinical potential of this biomarker needs further study.
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Affiliation(s)
- Wan Syamimee Wan Ghazali
- Department of Medicine, Hospital Universiti Sains Malaysia, 16150 Kubang Kerian, Kelantan, Malaysia
| | - Rahimah Iberahim
- Department of Medicine, Hospital Universiti Sains Malaysia, 16150 Kubang Kerian, Kelantan, Malaysia
| | - Noor Suryani Mohd Ashari
- Department of Immunology, Hospital Universiti Sains Malaysia, 16150 Kubang Kerian, Kelantan, Malaysia
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Alqudah M, Qandeel H, Al-Zoubi N, Alqudah A, Bani-Ahmad M, Alzoubi A. Changes of serum growth factors profiles in patients with venous thromboembolism. Scandinavian Journal of Clinical and Laboratory Investigation 2017; 77:595-600. [DOI: 10.1080/00365513.2017.1379607] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Mohammad Alqudah
- Department of Pathology, Faculty of Medicine, Jordan University of Science and Technology, Irbid, Jordan
| | - Haitham Qandeel
- Department of General Surgery, Faculty of Medicine, Jordan University of Science and Technology, Irbid, Jordan
| | - Nabil Al-Zoubi
- Department of General Surgery, Faculty of Medicine, Jordan University of Science and Technology, Irbid, Jordan
| | | | - Mohammad Bani-Ahmad
- Department of Medical Laboratory Sciences, Faculty of Applied Medical Sciences, Jordan University of Science and Technology, Irbid, Jordan
| | - Abdallah Alzoubi
- Department of Pharmacology, Faculty of Medicine, Jordan University of Science and Technology, Irbid, Jordan
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Lio CF, Lee YH, Chan HY, Yu CC, Peng NJ, Chan HP. Posterior reversible encephalopathy syndrome in a postpartum hemorrhagic woman without hypertension: A case report. Medicine (Baltimore) 2017; 96:e6690. [PMID: 28422884 PMCID: PMC5406100 DOI: 10.1097/md.0000000000006690] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/01/2022] Open
Abstract
RATIONALE Posterior reversible encephalopathy syndrome (PRES), which diagnosis is based on clinical symptoms and radiological features, is a neurotoxic disease characterized by a set of clinical manifestations, such as seizure, headache, visual, and/or consciousness disturbance. It is the first case of PRES followed by postpartum hemorrhage (PPH) without underlying disease. PATIENT CONCERNS A 37-year-old healthy woman had PPH after caesarean section. Six days after delivery, headache occurred suddenly, followed by episodes of clonus seizure. DIAGNOSES Brain computed tomography showed ischemic stroke. However, magnetic resonance imaging revealed characteristics consistent with PRES. INTERVENTIONS The patient received phenytoin for seizure control. OUTCOMES Seizure was under good control over the following days. Three months later, repeated magnetic resonance imaging showed complete remission. LESSONS PRES may be triggered by PPH and is not necessarily secondary to typical predisposing factors such as hypertension or pre/eclampsia. Hormone fluctuation, increased blood pressure variation, and massive blood transfusion may be contributed to the development of PRES in our case. Also, it is necessary to rule out those life-threatening diseases, such as cavernoma hemorrhage, cerebral venous thrombosis, and ischemic stroke before the diagnosis of PRES.
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Affiliation(s)
- Chon-Fu Lio
- Centro Hospitalar Conde de São Januário, Macao, China
| | - Ying-Hua Lee
- Department of Medicine, National Defense Medical Center, Taipei City
| | - Hung-Yen Chan
- Department of Emergency, E-Da Hospital, Kaohsiung City
| | - Chang-Ching Yu
- Department of Nuclear Medicine, Kaohsiung Veterans General Hospital, Kaohsiung City, Taiwan
| | - Nan-Jing Peng
- Department of Nuclear Medicine, Kaohsiung Veterans General Hospital, Kaohsiung City, Taiwan
- School of Medicine, National Yang-Ming University, Taipei City, Taiwan
| | - Hung-Pin Chan
- Department of Nuclear Medicine, Kaohsiung Veterans General Hospital, Kaohsiung City, Taiwan
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Vitamin D regulates the production of vascular endothelial growth factor: A triggering cause in the pathogenesis of rheumatic heart disease? Med Hypotheses 2016; 95:62-66. [DOI: 10.1016/j.mehy.2016.09.001] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2016] [Revised: 08/19/2016] [Accepted: 09/01/2016] [Indexed: 11/23/2022]
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Saito S, Ishii T, Kamogawa Y, Watanabe R, Shirai T, Fujita Y, Shirota Y, Fujii H, Ito K, Shimokawa H, Yamaguchi T, Kawaguchi Y, Harigae H. Extracorporeal Shock Wave Therapy for Digital Ulcers of Systemic Sclerosis: A Phase 2 Pilot Study. TOHOKU J EXP MED 2016; 238:39-47. [PMID: 26686380 DOI: 10.1620/tjem.238.39] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Patients with systemic sclerosis (SSc) often display Raynaud's phenomenon and digital skin ulcers. As these ulcers are not associated with autoimmune factors or abnormal coagulation, conventional immunosuppressive therapies, vasodilators, and anticoagulants are often ineffective. Here, we used extracorporeal shock wave therapy (ESWT) to treat these ulcers. Nine SSc patients with new digital ulcers, previously treated with at least one currently available vasodilator or anticoagulant were enrolled. One ESWT session consisted of 100 pulses at 0.08-0.25 mJ/mm(2) in 20 areas on both hands and 15 areas on both feet, totaling 7,000 pulses. Treatment was performed once per week for 9 weeks with observations over 20 weeks. Outcomes were evaluated according to the number and diameter of ulcers, Rodnan skin score, Health Assessment Questionnaire (HAQ), EuroQol 5 dimensions (EQ-5D), visual analog scale for pain, and the PainVision system. The surface skin temperature of all the fingers was measured using thermography. Ulcers showed signs of healing after one session, and their mean number decreased from 5.4 to 1.1 at 9 weeks. In particular, of the 18 large ulcers (> 5 mm) observed in 7 patients before the treatment, 10 disappeared and the rest became smaller; namely, the mean size decreased from 10.9 mm to 2.5 mm at 20 weeks. The average scores on the HAQ, EQ-5D, and PainVision system also improved. Treatment was minimally invasive and could be repeated without any adverse effects. ESWT may be added to standard treatments for indolent digital ulcers of SSc, as an effective and safe method.
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Affiliation(s)
- Shinichiro Saito
- Department of Rheumatology and Hematology, Tohoku University Graduate School of Medicine
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Paradowska-Gorycka A, Pawlik A, Romanowska-Prochnicka K, Haladyj E, Malinowski D, Stypinska B, Manczak M, Olesinska M. Relationship between VEGF Gene Polymorphisms and Serum VEGF Protein Levels in Patients with Rheumatoid Arthritis. PLoS One 2016; 11:e0160769. [PMID: 27513931 PMCID: PMC4981324 DOI: 10.1371/journal.pone.0160769] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2016] [Accepted: 06/15/2016] [Indexed: 01/08/2023] Open
Abstract
BACKGROUND Rheumatoid arthritis (RA) is one of the chronic autoimmune diseases, with genetic and environmental predisposition, and synovial angiogenesis is considered to be a notable stage in its pathogenesis. Angiogenesis or vascular proliferation has been suggested to be a pivotal mechanism involved in both inflammation/immune activation and joint invasion and destruction. RA may be considered an "angiogenic disease" because it is associated with active tissue neovascularization. Vascular endothelial growth factor (VEGF) promotes vascular permeability, regulates angiogenesis, endothelial cell proliferation and migration, chemotaxis, and capillary hyper permeability and therefore is involved in the development of inflammation. VEGF is the most potent proangiogenic molecule promoting the angiogenic phenotype of RA and is upregulated in RA. OBJECTIVES The aim of the study was to identify functional VEGF variants and their possible association with VEGF expression, susceptibility to and severity of RA. METHODS 581 RA patients and of 341 healthy individuals were examined for -1154 A/G, -2578 A/C VEGF gene polymorphisms by PCR-RFLP method and for -634 G/C VEGF gene polymorphisms by TaqMan SNP genotyping assay. Serum VEGF levels in RA patients and controls were measured by ELISA. RESULTS The -1154 A/G VEGF gene polymorphism under the codominant, recessive (AA+AG vs. GG) and dominant (AA vs. AG+GG) models were associated with RA (p = 0.0009; p = 0.004; p = 0.017, respectively). VEGF -2578 A/C revealed differences in the case-control distribution in codominant, recessive, dominant and overdominant models (all p<0.0001). Furthermore, the -634 G/C VEGF gene SNP was not correlated with susceptibility to RA in Polish population. The genotype-phenotype analysis showed significant association between the VEGF -1154 A/G and -634 G/C and mean value of the hemoglobin (all p = 0.05), additionally they relevated that the number of women with the polymorphic allele -2578 C was lower than the number of women with wild type allele -2578A (p = 0.006). Serum VEGF levels were significantly higher in RA patients than in control groups (both p = 0,0001). CONCLUSION Present findings indicated that VEGF genetic polymorphism as well as VEGF protein levels may be associated with the susceptibility to RA in the Polish population.
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Affiliation(s)
- Agnieszka Paradowska-Gorycka
- Department of Biochemistry and Molecular Biology, National Institute of Geriatrics, Rheumatology and Rehabilitation, Warsaw, Poland
| | - Andrzej Pawlik
- Department of Physiology, Pomeranian Medical University, Szczecin, Poland
| | | | - Ewa Haladyj
- Department of Connective Tissue Diseases, National Institute of Geriatrics, Rheumatology and Rehabilitation, Warsaw, Poland
- Department of Pathophysiology, Warsaw Medical University, Warsaw, Poland
| | - Damian Malinowski
- Department of Pharmacology, Pomeranian Medical University, Szczecin, Poland
| | - Barbara Stypinska
- Department of Biochemistry and Molecular Biology, National Institute of Geriatrics, Rheumatology and Rehabilitation, Warsaw, Poland
| | - Malgorzata Manczak
- Department of Gerontology and Public Health, National Institute of Geriatrics, Rheumatology and Rehabilitation, Warsaw, Poland
| | - Marzena Olesinska
- Department of Connective Tissue Diseases, National Institute of Geriatrics, Rheumatology and Rehabilitation, Warsaw, Poland
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Rancier M, Zaaber I, Stathopoulou MG, Chatelin J, Saleh A, Marmouch H, El Shamieh S, Masson C, Murray H, Lamont J, Fitzgerald P, Mahjoub S, Said K, Tensaout BBHJ, Mestiri S, Visvikis-Siest S. Pro- and anti-angiogenic VEGF mRNAs in autoimmune thyroid diseases. Autoimmunity 2016; 49:366-372. [PMID: 27494076 DOI: 10.1080/08916934.2016.1199019] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
The aim of this study was to assess the relationships between five different splice isoforms of VEGF mRNA and its plasma levels in individuals treated for autoimmune thyroid diseases (AITD); mainly Graves' disease (GD) and Hashimoto's thyroiditis (HT). In a population from Tunisia, levels of thyroid hormones and antibodies were quantified simultaneously with plasma VEGF and VEGF mRNA isoforms after a period of 6 months of patients' treatment. Plasma VEGF was measured in 110 AITD patients (21 GD and 89 HT patients). VEGF isoforms (VEGF121, VEGF165, VEGF145 and VEGF189 pro-angiogenic isoforms and VEGF165b anti-angiogenic isoform) in peripheral blood mononuclear cells were quantified in 71 patients (20 GD and 51 HT patients) and 86 healthy controls. Decreased levels of VEGF189 mRNA were observed in AITD compared to controls. VEGF165 was increased in GD patients compared to controls and the VEGF165b was increased in HT patients compared to GD. We observed increased levels of VEGF165b in hypothyroid AITD patients after treatment. We have also shown that the VEGF145 isoform levels were determined by FT4 in all patients and by the thyroid status after 6 months of treatment only in HT patients. An association was observed for VEGF165 mRNA levels with anti-TPO antibodies in all patients. Finally, FT4 was associated with VEGF plasma levels but only in healthy controls. In conclusion, this descriptive study highlights the specificity of VEGF mRNA isoforms in AITD, a fact underlining the need for novel clinical trials and the development of personalised theranostic approaches.
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Affiliation(s)
- Marc Rancier
- a UMR INSERM U1122, Interactions Gène-Environnement en Physiopathologie Cardio-Vasculaire (IGE-PCV), Université de Lorraine , Nancy , France.,b Department of Endocrinology , Centre Hospitalier Robert Schuman , Luxembourg, Luxembourg
| | - Ines Zaaber
- a UMR INSERM U1122, Interactions Gène-Environnement en Physiopathologie Cardio-Vasculaire (IGE-PCV), Université de Lorraine , Nancy , France.,c Laboratory of Genetics , Biodiversity and Bioresource Valorization, Superior Institute of Biotechnology of Monastir, University of Monastir , Monastir , Tunisia
| | - Maria G Stathopoulou
- a UMR INSERM U1122, Interactions Gène-Environnement en Physiopathologie Cardio-Vasculaire (IGE-PCV), Université de Lorraine , Nancy , France
| | - Jérôme Chatelin
- a UMR INSERM U1122, Interactions Gène-Environnement en Physiopathologie Cardio-Vasculaire (IGE-PCV), Université de Lorraine , Nancy , France.,d Department of Endocrinology and Medical Gynecology , CHU Nancy-Brabois , Nancy , France
| | - Abdelsalam Saleh
- a UMR INSERM U1122, Interactions Gène-Environnement en Physiopathologie Cardio-Vasculaire (IGE-PCV), Université de Lorraine , Nancy , France
| | - Héla Marmouch
- e Department of Internal Medicine-Endocrinology , Hospital Fattouma Bourguiba in Monastir , Monastir , Tunisia
| | - Said El Shamieh
- a UMR INSERM U1122, Interactions Gène-Environnement en Physiopathologie Cardio-Vasculaire (IGE-PCV), Université de Lorraine , Nancy , France
| | - Christine Masson
- a UMR INSERM U1122, Interactions Gène-Environnement en Physiopathologie Cardio-Vasculaire (IGE-PCV), Université de Lorraine , Nancy , France
| | | | | | | | - Silvia Mahjoub
- e Department of Internal Medicine-Endocrinology , Hospital Fattouma Bourguiba in Monastir , Monastir , Tunisia
| | - Khaled Said
- c Laboratory of Genetics , Biodiversity and Bioresource Valorization, Superior Institute of Biotechnology of Monastir, University of Monastir , Monastir , Tunisia
| | - Besma Bel Haj Jrad Tensaout
- c Laboratory of Genetics , Biodiversity and Bioresource Valorization, Superior Institute of Biotechnology of Monastir, University of Monastir , Monastir , Tunisia
| | - Souhir Mestiri
- c Laboratory of Genetics , Biodiversity and Bioresource Valorization, Superior Institute of Biotechnology of Monastir, University of Monastir , Monastir , Tunisia
| | - Sophie Visvikis-Siest
- a UMR INSERM U1122, Interactions Gène-Environnement en Physiopathologie Cardio-Vasculaire (IGE-PCV), Université de Lorraine , Nancy , France.,g Department of Internal Medicine and Geriatrics , CHU Nancy-Brabois , Nancy , France
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Bone marrow niche in immune thrombocytopenia: a focus on megakaryopoiesis. Ann Hematol 2016; 95:1765-76. [PMID: 27236577 DOI: 10.1007/s00277-016-2703-1] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2015] [Accepted: 05/23/2016] [Indexed: 12/18/2022]
Abstract
Immune thrombocytopenia (ITP) is an autoimmune disorder characterized by increased bleeding tendency and thrombocytopenia. In fact, the precise pathogenesis of this disease is still not clear. Megakaryopoiesis involves complete differentiation of megakaryocyte (MK) progenitors to functional platelets. This complex process occurs in specific bone marrow (BM) niches composed of several hematopoietic and non-hematopoietic cell types, soluble factors, and extracellular matrix proteins. These specialized microenvironments sustain MK maturation and localization to sinusoids as well as platelet release into circulation. However, MKs in ITP patients show impaired maturation and signs of degradation. Intrinsic defects in MKs and their extrinsic environment have been implicated in altered megakaryopoiesis in this disease. In particular, aberrant expression of miRNAs directing MK proliferation, differentiation, and platelet production; defective MK apoptosis; and reduced proliferation and differentiation rate of the MSC compartment observed in these patients may account for BM defects in ITP. Furthermore, insufficient production of thrombopoietin is another likely reason for ITP development. Therefore, identifying the signaling pathways and transcription factors influencing the interaction between MKs and BM niche in ITP patients will contribute to increased platelet production in order to prevent incomplete MK maturation and destruction as well as BM fibrosis and apoptosis in ITP. In this review, we will examine the interaction and role of BM niches in orchestrating megakaryopoiesis in ITP patients and discuss how these factors can be exploited to improve the quality of patient treatment and prognosis.
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Zaaber I, Rancier M, Stathopoulou MG, Saleh A, Marmouch H, Masson C, Murray H, Kurth MJ, Lamont J, Fitzgerald P, Mahjoub S, Said K, Bel Hadj Jrad Tensaout B, Mestiri S, Visvikis-Siest S. Plasma VEGF-related polymorphisms are implied in autoimmune thyroid diseases. Autoimmunity 2016; 49:229-35. [PMID: 26955881 DOI: 10.3109/08916934.2016.1151005] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Autoimmune thyroid diseases (AITD), including Graves' disease (GD) and Hashimoto thyroiditis (HT), are complex multifactorial diseases. Vascular endothelial growth factor (VEGF) is implicated in various inflammatory diseases, especially autoimmune diseases. Our aim was to elucidate the relationships between plasma VEGF levels and four genome-wide association study-identified single nucleotide polymorphisms (SNPs) related to VEGF with AITD in Tunisian patients. A total of 364 healthy controls and 389 patients with AITD were genotyped for the SNPs rs6921438, rs4416670, rs6993770 and rs10738760. Levels of thyroid hormones and antibodies were quantified simultaneously with plasma VEGF after a period of six months of treatment. We found that the minor alleles of rs10738760 and rs6921438 are associated with the presence of GD. A allele of rs10738760 polymorphism is associated with increased plasma levels of free tri-iodothyronin (FT3) while no relationship was found with circulating VEGF plasma levels after six months of treatment. We also showed that the T allele of rs4416670 polymorphism was associated with increased risk of hyperthyroidism in patients treated for six months, independently of their initial diagnosis. There was no significant association between the SNPs and the risk for HT compared with controls. This study shows that AITD are influenced by 3 SNPs linked to VEGF circulating levels. Whereas rs10738760 appeared specific to GD and FT3 production after six months of treatment, rs6921438 and rs4416670 were implicated in the risk for GD. This study opens new ways to test pharmacogenomics concepts in the future especially in GD in which recurrence prognosis is still challenging.
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Affiliation(s)
- Ines Zaaber
- a UMR INSERM U1122; Interactions Gène-Environnement en Physiopathologie Cardio-Vasculaire (IGE-PCV), Université de Lorraine , Nancy , France .,b Laboratory of Genetics, Biodiversity and Bioresource Valorization , Superior Institute of Biotechnology of Monastir, University of Monastir , Monastir , Tunisia
| | - Marc Rancier
- a UMR INSERM U1122; Interactions Gène-Environnement en Physiopathologie Cardio-Vasculaire (IGE-PCV), Université de Lorraine , Nancy , France .,c Department of Endocrinology , Centre Hospitalier Robert Schuman , Luxembourg , Luxembourg
| | - Maria G Stathopoulou
- a UMR INSERM U1122; Interactions Gène-Environnement en Physiopathologie Cardio-Vasculaire (IGE-PCV), Université de Lorraine , Nancy , France
| | - Abdelsalam Saleh
- a UMR INSERM U1122; Interactions Gène-Environnement en Physiopathologie Cardio-Vasculaire (IGE-PCV), Université de Lorraine , Nancy , France
| | - Héla Marmouch
- d Department of Internal Medicine-Endocrinology , Hospital FattoumaBourguiba in Monastir , Tunisia
| | - Christine Masson
- a UMR INSERM U1122; Interactions Gène-Environnement en Physiopathologie Cardio-Vasculaire (IGE-PCV), Université de Lorraine , Nancy , France
| | | | | | - John Lamont
- e Randox Laboratories Ltd , Crumlin , UK , and
| | | | - Selvia Mahjoub
- d Department of Internal Medicine-Endocrinology , Hospital FattoumaBourguiba in Monastir , Tunisia
| | - Khaled Said
- b Laboratory of Genetics, Biodiversity and Bioresource Valorization , Superior Institute of Biotechnology of Monastir, University of Monastir , Monastir , Tunisia
| | - Besma Bel Hadj Jrad Tensaout
- b Laboratory of Genetics, Biodiversity and Bioresource Valorization , Superior Institute of Biotechnology of Monastir, University of Monastir , Monastir , Tunisia
| | - Souhir Mestiri
- b Laboratory of Genetics, Biodiversity and Bioresource Valorization , Superior Institute of Biotechnology of Monastir, University of Monastir , Monastir , Tunisia
| | - Sophie Visvikis-Siest
- a UMR INSERM U1122; Interactions Gène-Environnement en Physiopathologie Cardio-Vasculaire (IGE-PCV), Université de Lorraine , Nancy , France .,f Department of Internal Medicine and Geriatrics , CHU Nancy-Brabois , France
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Mahmoud MM, Afifi MM. Anti-angiogenic therapy (bevacizumab) in the management of oral lichen planus. Eur J Oral Sci 2016; 124:119-26. [PMID: 26892241 DOI: 10.1111/eos.12251] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/15/2015] [Indexed: 01/05/2023]
Abstract
Oral lichen planus (OLP), a mucocutaneous chronic inflammatory disease, is conventionally managed using topical corticosteroid therapy. Given the fact that OLP is strongly linked to angiogenesis, anti-angiogenic drugs, such as bevacizumab, might be introduced as an alternative treatment for contraindicated, non-responsive patients. The aim of the present study was to report the short-term effectiveness and safety of intralesional bevacizumab injection in the management of atrophic/erosive OLP. A case series study was conducted in patients with atrophic/erosive OLP in the buccal mucosa, assigned to receive either 2.5 mg of bevacizumab, by intralesional injection (n = 20, test), or topical 0.1% triamcinolone acetonide ointment (n = 20, control). The size, score, and pain intensity of the lesions were assessed pre- and post-treatment. Tissue biopsies were collected for histopathologic, immunohistochemical, and ultrastructural examination. After 1 wk, the test group had significant reductions both in lesion seize and in pain scores compared with controls. A marked decrease in vascular endothelial growth factor (VEGF) and interleukin-8 immunoexpression was noted in tissue biopsies from bevacizumab-treated lesions compared with control lesions. Furthermore, ultrastructural examination of OLP tissue specimens revealed significant healing signs associated with bevacizumab treatment. Short-term data suggest that intralesional bevacizumab injection effectively and safely achieved resolution of atrophic/erosive OLP lesions without disease exacerbations during a 3-month follow-up period.
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Affiliation(s)
- Maha M Mahmoud
- Oral Medicine, Periodontology, Radiology and Diagnosis, Faculty of Dentistry, Alexandria University, Alexandria, Egypt
| | - Marwa M Afifi
- Oral Pathology, Faculty of Dentistry, Alexandria University, Alexandria, Egypt
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Samochocki Z, Bogaczewicz J, Sysa-Jędrzejowska A, McCauliffe DP, Kontny E, Wozniacka A. Expression of vascular endothelial growth factor and other cytokines in atopic dermatitis, and correlation with clinical features. Int J Dermatol 2015; 55:e141-6. [DOI: 10.1111/ijd.13132] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/14/2015] [Revised: 05/03/2015] [Accepted: 06/10/2015] [Indexed: 11/29/2022]
Affiliation(s)
| | - Jarosław Bogaczewicz
- Department of Dermatology and Venereology; Medical University of Lodz; Lodz Poland
| | | | - Daniel P. McCauliffe
- Department of Dermatology; University of North Carolina; Chapel Hill NC USA
- Private Practice; Rutland VT USA
| | - Ewa Kontny
- Department of Pathophysiology and Immunology; Institute of Rheumatology; Warsaw Poland
| | - Anna Wozniacka
- Department of Dermatology and Venereology; Medical University of Lodz; Lodz Poland
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Lucchese A, Gentile E, Capone G, De Vico G, Serpico R, Landini G. Fractal analysis of mucosal microvascular patterns in oral lichen planus: a preliminary study. Oral Surg Oral Med Oral Pathol Oral Radiol 2015; 120:609-15. [PMID: 26320682 DOI: 10.1016/j.oooo.2015.06.029] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2015] [Revised: 06/01/2015] [Accepted: 06/08/2015] [Indexed: 01/12/2023]
Abstract
OBJECTIVES The objective of this study was to assess local vascular architecture in atrophic-erosive oral lichen planus (OLP). MATERIALS AND METHODS We investigated the capillary structure of the oral mucosa in 31 patients with OLP and 32 healthy controls. Capillaries images were captured in vivo through a capillaroscope. We applied fractal analysis to quantify the microvasculature morphometric changes in the oral mucosa of atrophic-erosive OLP patients in terms of their fractal dimension (D). RESULTS The oral vascular networks of atrophic-erosive OLP lesions had a significantly higher D, both in buccal mucosae (D=1.167, P=.019) and in tongue (D=1.196, P=.038), compared with the control population (1.123 for both locations, respectively). CONCLUSIONS The present study confirms previous literature data on a close relationship between abnormal vascular architecture and atrophic-erosive OLP. Fractal analysis provided a quantitative descriptor of the complexity of the vascular patterns, which increases in the OLP samples. These data may provide new information on the OLP pathogenesis, as well as serve as morphologic quantifiers for monitoring treatment strategies.
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Affiliation(s)
- Alberta Lucchese
- Multidisciplinary Department of Medical-Surgical and Dental Specialties, Second University of Naples, Naples, Italy.
| | - Enrica Gentile
- Multidisciplinary Department of Medical-Surgical and Dental Specialties, Second University of Naples, Naples, Italy
| | - Giovanni Capone
- Department of Biosciences, Biotechnologies & Biopharmaceutics, University of Bari, Bari, Italy
| | - Gionata De Vico
- Department of Biological Sciences, Naples University Federico II, Naples, Italy
| | - Rosario Serpico
- Multidisciplinary Department of Medical-Surgical and Dental Specialties, Second University of Naples, Naples, Italy
| | - Gabriel Landini
- Oral Pathology Unit, School of Dentistry, The University of Birmingham, Birmingham, England
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Chen H, Zhang T, Gong B, Cao X. Association between VEGF -634G/C polymorphism and susceptibility to autoimmune diseases: a meta-analysis. Gene 2015; 558:181-6. [PMID: 25596346 DOI: 10.1016/j.gene.2015.01.023] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2014] [Revised: 12/22/2014] [Accepted: 01/12/2015] [Indexed: 10/24/2022]
Abstract
The role of VEGF -634G/C polymorphism has been involved in the investigations of susceptibility to autoimmune diseases, but the conclusion remains controversial. Here, we have performed a meta-analysis to clarify the relationship between them. All relevant articles updating to August 2013 were searched in PubMed and EMBASE. Crude odds ratios (ORs) with 95% confidence intervals (CIs) based on the available articles were calculated. A total of 24 independent studies associated with autoimmune disease were analyzed in our research. The results show that VEGF -634G/C polymorphism was associated with susceptibility to autoimmune disease in Asian population (C vs. G: OR=0.88, 95% CI: 0.80-0.96, P=0.543; CC vs. GG: OR=0.77, 95% CI: 0.63-0.93, P=0.787; CC+GC vs. GG: OR=0.80, 95% CI: 0.67-0.96, P=0.080 by random effects model). Nevertheless, no significant associations were found in total population or in other stratified groups. In the current meta-analysis, we reveal a significant association between VEGF -634G/C polymorphism and susceptibility to autoimmune diseases in Asian population.
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Affiliation(s)
- Haikui Chen
- Department of Life Science, Beifang University of Nationalities, Yinchuan 750021, China.
| | - Tianyun Zhang
- The First Hospital of Chinese People's Liberation Army (PLA), Lanzhou 730050, China.
| | - Bolin Gong
- Key Laboratory of Energy & Chemical Engineering, Ningxia University, Yinchuan 750021, China.
| | - Xiaohong Cao
- Department of Life Science, Beifang University of Nationalities, Yinchuan 750021, China.
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Lee JA, Kozikowski RT, Sorg BS. In vivo microscopy of microvessel oxygenation and network connections. Microvasc Res 2014; 98:29-39. [PMID: 25500481 DOI: 10.1016/j.mvr.2014.11.007] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2014] [Revised: 11/20/2014] [Accepted: 11/25/2014] [Indexed: 12/20/2022]
Abstract
Abnormal or compromised microvascular function is a key component of various diseases. In vivo microscopy of microvessel function in preclinical models can be useful for the study of a disease state and effects of new treatments. Wide-field imaging of microvascular oxygenation via hemoglobin (Hb) saturation measurements has been applied in various applications alone and in combination with other measures of microvessel function, such as blood flow. However, most current combined imaging methods of microvessel function do not provide direct information on microvessel network connectivity or changes in connections and blood flow pathways. First-pass fluorescence (FPF) imaging of a systemically administered fluorescent contrast agent can be used to directly image blood flow pathways and connections relative to a local supplying arteriole in a quantitative manner through measurement of blood supply time (BST). Here, we demonstrate the utility of information produced by the combination of Hb saturation measurements via spectral imaging with BST measurements via FPF imaging for correlation of microvessel oxygenation with blood flow pathways and connections throughout a local network. Specifically, we show network pathway effects on oxygen transport in normal microvessels, dynamic changes associated with wound healing, and pathological effects of abnormal angiogenesis in tumor growth and development.
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Affiliation(s)
- Jennifer A Lee
- J. Crayton Pruitt Family Department of Biomedical Engineering, University of Florida, Gainesville, FL 32610, USA.
| | | | - Brian S Sorg
- National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
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Zhang D, Li H, Ma L, Zhang X, Xue F, Zhou Z, Chi Y, Liu X, Huang Y, Yang Y, Yang R. The defective bone marrow-derived mesenchymal stem cells in patients with chronic immune thrombocytopenia. Autoimmunity 2014; 47:519-29. [DOI: 10.3109/08916934.2014.938320] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Donglei Zhang
- State Key Laboratory of Experimental Hematology, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College TianjinChina
| | - Huiyuan Li
- State Key Laboratory of Experimental Hematology, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College TianjinChina
| | - Li Ma
- State Key Laboratory of Experimental Hematology, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College TianjinChina
| | - Xian Zhang
- State Key Laboratory of Experimental Hematology, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College TianjinChina
| | - Feng Xue
- State Key Laboratory of Experimental Hematology, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College TianjinChina
| | - Zeping Zhou
- State Key Laboratory of Experimental Hematology, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College TianjinChina
- Department of Hematology, The Second Affiliated Hospital of Kunming Medical University
KunmingChina
| | - Ying Chi
- State Key Laboratory of Experimental Hematology, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College TianjinChina
| | - Xiaofan Liu
- State Key Laboratory of Experimental Hematology, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College TianjinChina
| | - Yueting Huang
- State Key Laboratory of Experimental Hematology, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College TianjinChina
| | - Yanhui Yang
- State Key Laboratory of Experimental Hematology, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College TianjinChina
- Key Laboratory of Hormones and Development (Ministry of Health), 2011 Collaborative Innovation Center of Tianjin for Medical Epigenetics
TianjinChina
| | - Renchi Yang
- State Key Laboratory of Experimental Hematology, Institute of Hematology & Blood Diseases Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College TianjinChina
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Neuroantibody biomarkers: links and challenges in environmental neurodegeneration and autoimmunity. Autoimmune Dis 2014; 2014:340875. [PMID: 25045531 PMCID: PMC4090524 DOI: 10.1155/2014/340875] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2014] [Revised: 05/18/2014] [Accepted: 05/19/2014] [Indexed: 11/18/2022] Open
Abstract
The majority of neurodegenerative (ND) and autoimmune diseases (AID) remain idiopathic. The contribution of environmental chemicals to the development of these disorders has become of great interest in recent years. A convergence of mechanism between of ND and AID development has also emerged. In the case of ND, including neurotoxicity, the focus of this review, work over the last two decade in the realm of biomarker development, indicates that the immune response provides a venue whereby humoral immunity, in the form of autoantibodies to nervous system specific proteins, or neuroantibodies (NAb), may provide, once validated, a sensitive high throughput surrogate biomarker of effect with the potential of predicting outcome in absence of overt neurotoxicity/neurodegeneration. In addition, NAb may prove to be a contributor to the progression of the nervous system pathology, as well as biomarker of stage and therapeutic efficacy. There is a compelling need for biomarkers of effect in light of the introduction of new chemicals, such as nanoengineered material, where potential neurotoxicity remains to be defined. Furthermore, the convergence of mechanisms associated with ND and AID draws attention to the neglected arena of angiogenesis in defining the link between environment, ND, and AID.
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Sisto M, Lisi S, Ingravallo G, Lofrumento DD, D'Amore M, Ribatti D. Neovascularization is prominent in the chronic inflammatory lesions of Sjögren's syndrome. Int J Exp Pathol 2014; 95:131-7. [PMID: 24772480 DOI: 10.1111/iep.12061] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
Angiogenesis is a common finding in chronic inflammatory diseases; however, its role in Sjögren's syndrome (SS) remains to be elucidated. Previous SS studies have demonstrated an increase in VEGF-A/VEGFR-2 system expression in minor salivary gland (MSG) biopsies from patients with SS, but differences in the new blood vessel formation between the different grades of disease severity have not been reported. Therefore, experiments were performed to demonstrate angiogenesis during different phases of primary SS (pSS) and to define the relationship between the microvessel density (MVD), macrophage infiltration and histiocyte distribution in SS MSG inflammatory lesions. In this series of experiments, immunohistochemistry was used to examine angiogenesis in serial sections of pSS MSG. Patients with pSS were classified accordingly with the grade of inflammatory lesions as I = low-grade (low focus score of 1 or 2), II = intermediate-grade (focus score of 3–6) and III = extensive inflammation in the MSG (high focus score of 12). Histological examination demonstrated that the MVD increased with the severity of the inflammatory lesions, and in addition, we found an increased infiltration of inflammatory and pro-angiogenic cells.These findings reveal that angiogenesis is intimately involved in the progression of pSS, may be central to the propagation of the chronic immune response observed in pSS and could represent a novel potential biomarker of pSS disease activity.
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Marra A, Vargas M, Striano P, Del Guercio L, Buonanno P, Servillo G. Posterior reversible encephalopathy syndrome: The endothelial hypotheses. Med Hypotheses 2014; 82:619-22. [DOI: 10.1016/j.mehy.2014.02.022] [Citation(s) in RCA: 104] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2013] [Revised: 02/13/2014] [Accepted: 02/21/2014] [Indexed: 01/01/2023]
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Tumor gangliosides accelerate murine tumor angiogenesis. Angiogenesis 2013; 17:563-71. [PMID: 24165965 DOI: 10.1007/s10456-013-9403-4] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2013] [Accepted: 10/15/2013] [Indexed: 01/16/2023]
Abstract
Tumor cells shed gangliosides and populate their microenvironment with these biologically active membrane glycosphingolipids. In vitro, ganglioside enrichment amplifies receptor tyrosine kinase signaling and activation of vascular endothelial cells. However, a long-standing question is whether in the actual microenvironment of a neoplasm, in vivo, tumor cell ganglioside shedding stimulates angiogenesis. Here we tested the hypothesis that tumor gangliosides have a critical proangiogenic role in vivo using novel murine tumor cells, GM3synthase/GM2synthase double knockout (DKO) cells, genetically completely incapable of ganglioside synthesis and impaired in tumor growth versus wild-type (WT) ganglioside-rich cells. We studied angiogenesis during tumor formation by these ganglioside-depleted cells, quantifying vessel formation, angiogenic factor production/release, and consequences of reconstitution with purified WT gangliosides. DKO cells formed virtually avascular tumors, much smaller than ganglioside-rich WT tumors and displaying a striking paucity of blood vessels, despite levels of VEGF and other angiogenic factors that were similar to those of WT cells. Transient enrichment of the ganglioside milieu of the DKO cell inoculum by adding purified WT gangliosides partially restored angiogenesis and tumor growth. We conclude that tumor gangliosides trigger robust angiogenesis important for tumor growth. Our findings suggest strategies to eliminate their synthesis and shedding by tumor cells should be pursued.
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Atzeni F, Boiardi L, Vaglio A, Nicoli D, Farnetti E, Palmisano A, Pipitone N, Martorana D, Moroni G, Longhi S, Bonatti F, Buzio C, Salvarani C. TLR-4 and VEGF polymorphisms in chronic periaortitis. PLoS One 2013; 8:e62330. [PMID: 23690937 PMCID: PMC3653916 DOI: 10.1371/journal.pone.0062330] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2012] [Accepted: 03/20/2013] [Indexed: 11/19/2022] Open
Abstract
Objective Chronic periaortitis (CP) is a rare disease that is characterised by fibro-inflammatory tissue surrounding the abdominal aorta and has both non-aneurysmal (idiopathic retroperitoneal fibrosis [IRF]) and aneurysmal forms (inflammatory abdominal aortic aneurysm [IAAA]). We investigated whether toll-like receptor 4 (TLR-4) and vascular endothelial growth factor (VEGF) polymorphisms were associated with susceptibility to, and the clinical features of CP. Methods One hundred and two CP patients and 200 healthy controls were molecularly genotyped for TLR-4 gene polymorphism (+896 A/G) (rs4986790), VEGF mutations +936 C/T (rs3025039) and −634 C/G (rs2010963), and an 18 base pair (bp) insertion/deletion (I/D) polymorphism at −2549 of the VEGF promoter region. The patients were grouped on the basis of the type of CP (IRF or IAAA), and the presence or absence of established atherosclerotic disease (ischemic heart disease, cerebrovascular disease, and peripheral arterial disease). Results There were no significant differences in the distribution of the studied polymorphisms between the patients and controls. However, carriage of the +936 T allele was significantly more frequent in the patients with IRF than in those with IAAA (26.5% vs 5.3%; p = 0.046; OR 6.49 [95% CI 0.82–51.54]). There were significantly more carriers of the I allele among the patients with ureteral obstruction (83.8% vs 58.8%; p = 0.006; OR 3.63 [95% CI 1.42–9.28]) and those who received conservative treatment (48.5% vs 23.5%; p = 0.015; OR 3.06 [95% CI 1.22–7.721]) than among those without, and II homozygosity was significantly more frequent in the patients with deep vein thrombosis than in those without (30.4% vs 11.7%, p = 0.031; OR 3.31 [95% CI 1.07–10.21]). Conclusion The VEGF +936 C/T polymorphism may be associated with an increased risk of developing the non-aneurysmal IRF form of CP. Carriers of the I allele and II homozygosity are respectively at increased risk of developing ureteral obstruction and deep vein thrombosis.
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Affiliation(s)
- Fabiola Atzeni
- Rheumatology Unit, L. Sacco University Hospital of Milan, Milan, Italy
| | - Luigi Boiardi
- Rheumatology Unit, Department of Internal Medicine, Azienda Ospedaliera ASMN, Istituto di Ricovero e Cura a Carattere Scientifico, Reggio Emilia, Italy
| | - Augusto Vaglio
- Unit of Nephrology, University Hospital of Parma, Parma, Italy
| | - Davide Nicoli
- Laboratory of Molecular Biology, Arcispedale S Maria Nuova, Istituto di Ricovero e Cura a Carattere Scientifico, Reggio Emilia, Italy
| | - Enrico Farnetti
- Laboratory of Molecular Biology, Arcispedale S Maria Nuova, Istituto di Ricovero e Cura a Carattere Scientifico, Reggio Emilia, Italy
| | | | - Nicolò Pipitone
- Rheumatology Unit, Department of Internal Medicine, Azienda Ospedaliera ASMN, Istituto di Ricovero e Cura a Carattere Scientifico, Reggio Emilia, Italy
| | - Davide Martorana
- Unit of Molecular Genetics, University Hospital of Parma, Parma, Italy
| | - Gabriella Moroni
- Nephrology Unit, Istituto di Ricovero e Cura a Carattere Scientifico Policlinico Hospital, Policlinico Hospital, Milan, Italy
| | - Selena Longhi
- Nephrology Unit, Istituto di Ricovero e Cura a Carattere Scientifico Policlinico Hospital, Policlinico Hospital, Milan, Italy
| | - Francesco Bonatti
- Unit of Molecular Genetics, University Hospital of Parma, Parma, Italy
| | - Carlo Buzio
- Unit of Nephrology, University Hospital of Parma, Parma, Italy
| | - Carlo Salvarani
- Rheumatology Unit, Department of Internal Medicine, Azienda Ospedaliera ASMN, Istituto di Ricovero e Cura a Carattere Scientifico, Reggio Emilia, Italy
- * E-mail:
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Hanh Tien NT, Lam PK, Duyen HTL, Ngoc TV, Ha PTT, Kieu NTT, Simmons C, Wolbers M, Wills B. Assessment of microalbuminuria for early diagnosis and risk prediction in dengue infections. PLoS One 2013; 8:e54538. [PMID: 23349922 PMCID: PMC3551767 DOI: 10.1371/journal.pone.0054538] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2012] [Accepted: 12/13/2012] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND Dengue is the most important arboviral infection of humans. Following an initial febrile period, a small proportion of infected patients develop a vasculopathy, with children at particular risk for severe vascular leakage and shock. Differentiation between dengue and other common childhood illnesses is difficult during the early febrile phase, and risk prediction for development of shock is poor. The presence of microalbuminuria is recognized as a useful early predictor for subsequent complications in a number of other disorders with vascular involvement. Significant proteinuria occurs in association with dengue shock syndrome and it is possible that early-phase microalbuminuria may be helpful both for diagnosis of dengue and for identification of patients likely to develop severe disease. METHODOLOGY/PRINCIPAL FINDINGS We measured formal urine albumin to creatinine ratios (UACRs) in daily samples obtained from a large cohort of children with suspected dengue recruited at two outpatient clinics in Ho Chi Minh City, Vietnam. Although UACRs were increased in the 465 confirmed dengue patients, with a significant time trend showing peak values around the critical period for dengue-associated plasma leakage, urine albumin excretion was also increased in the comparison group of 391 patients with other febrile illnesses (OFI). The dengue patients generally had higher UACRs than the OFI patients, but microalbuminuria, using the conventional cutoff of 30 mg albumin/g creatinine discriminated poorly between the two diagnostic groups in the early febrile phase. Secondly UACRs did not prove useful in predicting either development of warning signs for severe dengue or need for hospitalization. CONCLUSION/SIGNIFICANCE Low-level albuminuria is common, even in relatively mild dengue infections, but is also present in many OFIs. Simple point-of-care UACR tests are unlikely to be useful for early diagnosis or risk prediction in dengue endemic areas.
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Affiliation(s)
- Nguyen Thi Hanh Tien
- Oxford University Clinical Research Unit, Hospital for Tropical Diseases, District 5, Ho Chi Minh City, Vietnam
| | - Phung Khanh Lam
- Oxford University Clinical Research Unit, Hospital for Tropical Diseases, District 5, Ho Chi Minh City, Vietnam
| | - Huynh Thi Le Duyen
- Oxford University Clinical Research Unit, Hospital for Tropical Diseases, District 5, Ho Chi Minh City, Vietnam
| | - Tran Van Ngoc
- Hospital for Tropical Diseases, District 5, Ho Chi Minh City, Vietnam
| | | | - Nguyen Tan Thanh Kieu
- Oxford University Clinical Research Unit, Hospital for Tropical Diseases, District 5, Ho Chi Minh City, Vietnam
| | - Cameron Simmons
- Oxford University Clinical Research Unit, Hospital for Tropical Diseases, District 5, Ho Chi Minh City, Vietnam
- Centre for Tropical Medicine, Nuffield Department of Medicine, University of Oxford, Oxford, United Kingdom
| | - Marcel Wolbers
- Oxford University Clinical Research Unit, Hospital for Tropical Diseases, District 5, Ho Chi Minh City, Vietnam
- Centre for Tropical Medicine, Nuffield Department of Medicine, University of Oxford, Oxford, United Kingdom
| | - Bridget Wills
- Oxford University Clinical Research Unit, Hospital for Tropical Diseases, District 5, Ho Chi Minh City, Vietnam
- Centre for Tropical Medicine, Nuffield Department of Medicine, University of Oxford, Oxford, United Kingdom
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Emerging avenues linking inflammation, angiogenesis and Sjögren's syndrome. Cytokine 2013; 61:693-703. [PMID: 23340181 DOI: 10.1016/j.cyto.2012.12.021] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2012] [Revised: 12/10/2012] [Accepted: 12/19/2012] [Indexed: 12/28/2022]
Abstract
Sjögren's syndrome (SS) is an autoimmune disease characterized by an inflammatory mononuclear infiltration and the destruction of epithelial cells of the lachrymal and salivary glands. The aetiology is unknown. The expression "autoimmune epithelitis" has been proposed as an alternative to SS, in view of the emerging central role of the epithelial cells in the disease pathogenesis. At the biomolecular level, the epithelial cells play an important role in triggering the autoimmune condition via antigen presentation, apoptosis, and chemokine and cytokines release. Inflammation and angiogenesis are frequently coupled in the pathological conditions associated to autoimmune diseases, and an angiogenic imbalance contributes to the pathogenesis of a number of inflammatory disorders. This work reviews the current knowledge of the molecular and cellular mechanisms underlying the pathogenesis of the inflammatory reactions that characterize SS. The literature and our data on the role of angiogenesis in the pathophysiology of the disease are discussed.
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Han B, Ma X, Zhao R, Zhang J, Wei X, Liu X, Liu X, Zhang C, Tan C, Jiang Y, Chen Y. Development and experimental test of support vector machines virtual screening method for searching Src inhibitors from large compound libraries. Chem Cent J 2012; 6:139. [PMID: 23173901 PMCID: PMC3538513 DOI: 10.1186/1752-153x-6-139] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2012] [Accepted: 11/07/2012] [Indexed: 01/04/2023] Open
Abstract
UNLABELLED BACKGROUND Src plays various roles in tumour progression, invasion, metastasis, angiogenesis and survival. It is one of the multiple targets of multi-target kinase inhibitors in clinical uses and trials for the treatment of leukemia and other cancers. These successes and appearances of drug resistance in some patients have raised significant interest and efforts in discovering new Src inhibitors. Various in-silico methods have been used in some of these efforts. It is desirable to explore additional in-silico methods, particularly those capable of searching large compound libraries at high yields and reduced false-hit rates. RESULTS We evaluated support vector machines (SVM) as virtual screening tools for searching Src inhibitors from large compound libraries. SVM trained and tested by 1,703 inhibitors and 63,318 putative non-inhibitors correctly identified 93.53%~ 95.01% inhibitors and 99.81%~ 99.90% non-inhibitors in 5-fold cross validation studies. SVM trained by 1,703 inhibitors reported before 2011 and 63,318 putative non-inhibitors correctly identified 70.45% of the 44 inhibitors reported since 2011, and predicted as inhibitors 44,843 (0.33%) of 13.56M PubChem, 1,496 (0.89%) of 168 K MDDR, and 719 (7.73%) of 9,305 MDDR compounds similar to the known inhibitors. CONCLUSIONS SVM showed comparable yield and reduced false hit rates in searching large compound libraries compared to the similarity-based and other machine-learning VS methods developed from the same set of training compounds and molecular descriptors. We tested three virtual hits of the same novel scaffold from in-house chemical libraries not reported as Src inhibitor, one of which showed moderate activity. SVM may be potentially explored for searching Src inhibitors from large compound libraries at low false-hit rates.
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Affiliation(s)
- Bucong Han
- The Key Laboratory of Chemical Biology, Guangdong Province, The Graduate School at Shenzhen, Tsinghua University, Shenzhen, Guangdong, 518055, People’s Republic of China
- Computation and Systems Biology, Singapore-MIT Alliance, National University of Singapore, E4-04-10, 4 Engineering Drive 3, Singapore, 117576, Singapore
- Bioinformatics and Drug Design Group, Department of Pharmacy, Centre for Computational Science and Engineering, National University of Singapore, Blk S16, Level 8, 3 Science Drive 2, Singapore, 117543, Singapore
| | - Xiaohua Ma
- Bioinformatics and Drug Design Group, Department of Pharmacy, Centre for Computational Science and Engineering, National University of Singapore, Blk S16, Level 8, 3 Science Drive 2, Singapore, 117543, Singapore
| | - Ruiying Zhao
- Central Research Institute of China Chemical Science and Technology, 20 Xueyuan Road, Haidian District, Beijing, 100083, People’s Republic of China
| | - Jingxian Zhang
- Bioinformatics and Drug Design Group, Department of Pharmacy, Centre for Computational Science and Engineering, National University of Singapore, Blk S16, Level 8, 3 Science Drive 2, Singapore, 117543, Singapore
| | - Xiaona Wei
- Computation and Systems Biology, Singapore-MIT Alliance, National University of Singapore, E4-04-10, 4 Engineering Drive 3, Singapore, 117576, Singapore
- Bioinformatics and Drug Design Group, Department of Pharmacy, Centre for Computational Science and Engineering, National University of Singapore, Blk S16, Level 8, 3 Science Drive 2, Singapore, 117543, Singapore
| | - Xianghui Liu
- Bioinformatics and Drug Design Group, Department of Pharmacy, Centre for Computational Science and Engineering, National University of Singapore, Blk S16, Level 8, 3 Science Drive 2, Singapore, 117543, Singapore
| | - Xin Liu
- Bioinformatics and Drug Design Group, Department of Pharmacy, Centre for Computational Science and Engineering, National University of Singapore, Blk S16, Level 8, 3 Science Drive 2, Singapore, 117543, Singapore
| | - Cunlong Zhang
- The Key Laboratory of Chemical Biology, Guangdong Province, The Graduate School at Shenzhen, Tsinghua University, Shenzhen, Guangdong, 518055, People’s Republic of China
| | - Chunyan Tan
- The Key Laboratory of Chemical Biology, Guangdong Province, The Graduate School at Shenzhen, Tsinghua University, Shenzhen, Guangdong, 518055, People’s Republic of China
| | - Yuyang Jiang
- The Key Laboratory of Chemical Biology, Guangdong Province, The Graduate School at Shenzhen, Tsinghua University, Shenzhen, Guangdong, 518055, People’s Republic of China
| | - Yuzong Chen
- The Key Laboratory of Chemical Biology, Guangdong Province, The Graduate School at Shenzhen, Tsinghua University, Shenzhen, Guangdong, 518055, People’s Republic of China
- Computation and Systems Biology, Singapore-MIT Alliance, National University of Singapore, E4-04-10, 4 Engineering Drive 3, Singapore, 117576, Singapore
- Bioinformatics and Drug Design Group, Department of Pharmacy, Centre for Computational Science and Engineering, National University of Singapore, Blk S16, Level 8, 3 Science Drive 2, Singapore, 117543, Singapore
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Mezrich JD, Nguyen LP, Kennedy G, Nukaya M, Fechner JH, Zhang X, Xing Y, Bradfield CA. SU5416, a VEGF receptor inhibitor and ligand of the AHR, represents a new alternative for immunomodulation. PLoS One 2012; 7:e44547. [PMID: 22970246 PMCID: PMC3435281 DOI: 10.1371/journal.pone.0044547] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2012] [Accepted: 08/08/2012] [Indexed: 11/19/2022] Open
Abstract
The experimental compound SU5416 went as far as Phase III clinical trials as an anticancer agent, putatively because of its activity as a VEGFR-2 inhibitor, but showed poor results. Here, we show that SU5416 is also an aryl hydrocarbon receptor (AHR) agonist with unique properties. Like TCDD, SU5416 favors induction of indoleamine 2,3 dioxygenase (IDO) in immunologically relevant populations such as dendritic cells in an AHR-dependent manner, leading to generation of regulatory T-cells in vitro. These characteristics lead us to suggest that SU5416 may be an ideal clinical agent for treatment of autoimmune diseases and prevention of transplant rejection, two areas where regulatory ligands of the AHR have shown promise. At the same time, AHR agonism might represent a poor characteristic for an anticancer drug, as regulatory T-cells can inhibit clearance of cancer cells, and activation of the AHR can lead to upregulation of xenobiotic metabolizing enzymes that might influence the half-lives of co-administered chemotherapeutic agents. Not only does SU5416 activate the human AHR with a potency approaching 2,3,7,8-tetrachlorodibenzo-p-dioxin, but it also activates polymorphic murine receptor isoforms (encoded by the Ahr(d) and Ahr(b1) alleles) with similar potency, a finding that has rarely been described and may have implications in identifying true endogenous ligands of this receptor.
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Affiliation(s)
- Joshua D Mezrich
- Department of Surgery, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin, United States of America.
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Sjögren's syndrome pathological neovascularization is regulated by VEGF-A-stimulated TACE-dependent crosstalk between VEGFR2 and NF-κB. Genes Immun 2012; 13:411-20. [PMID: 22513453 DOI: 10.1038/gene.2012.9] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
We explore the involvement of tumor necrosis factor α (TNF-α)-converting enzyme (TACE) in vascular endothelial growth factor (VEGF) and its receptor 2 (VEGFR2) (VEGF-A/VEGFR2)-mediated angiogenesis in Sjögren's syndrome (SS), one of the most common autoimmune rheumatic diseases. To test the hypothesis that SS autoantibodies (Abs) regulate VEGF-A/VEGFR2 expression by a TACE-dependent nuclear factor-κB (NF-κB) activation pathway, their effects on the expression and activation of the VEGF-A/TACE/VEGFR2/NF-κB pathway were determined in human salivary gland epithelial cells (SGEC). An enhanced angiogenesis in SS salivary gland biopsies was observed, associated with an increased VEGF-A expression and activation of VEGF-A/VEGFR2 signaling. Human cytokine array analysis of the pro-inflammatory and pro-angiogenic protein response in SGEC treated with SS Abs revealed an overexpression of multiple pro-angiogenic factors. TACE RNA knockdown, the use of anti-VEGF-A monoclonal antibody and the inhibition of NF-κB activity significantly abrogated the release of pro-angiogenic factors, demonstrating that VEGF-A/TACE/VEGFR2/NF-κB axis dysfunction may be contributory to pathogenesis and exacerbation of this autoimmune condition.
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PARK SEJIN, PAI KISOO, KIM JIHONG, SHIN JAEIL. Could Increased Vascular Endothelial Growth Factor Induced by Interleukin 17 Be the Cause of Posterior Reversible Encephalopathy Syndrome in Systemic Lupus Erythematosus? J Rheumatol 2012; 39:870; author reply 871. [DOI: 10.3899/jrheum.111124] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Neuropilin-1 is upregulated in Sjögren's syndrome and contributes to pathological neovascularization. Histochem Cell Biol 2012; 137:669-77. [PMID: 22237885 DOI: 10.1007/s00418-012-0910-y] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/31/2011] [Indexed: 12/21/2022]
Abstract
Neuropilin-1 (NRP1) is a transmembrane co-receptor for members of the vascular endothelial growth factor family. Recent studies revealed an important role of NRP1 in angiogenesis and progression of many diseases. The role of NRP1 in the development of Sjögren's syndrome (SS), one of the most common rheumatic diseases, has not yet been investigated. Molecular studies and protein expression techniques were performed to elucidate the gene and protein expression profile of NRP1 in human salivary gland epithelial cells (SGEC) from primary SS. We used human microarrays and transient transfection with a mutant form of the negative inhibitory κBα proteins (IκBαDN) to investigate whether selective inhibition of nuclear Factor-κB (NF-κB) improves NRP1-mediated pro-angiogenic factors release from SS SGEC. The selective NRP1 function inhibition with an antibody to human NRP1, was employed to evaluate the therapeutic potential of targeting NRP1. We demonstrate that NRP1 is expressed in SGEC of both human healthy biopsies and in SS samples, and increased NRP1 expression in SS SGEC is significantly associated with pro-angiogenic factors release. Neutralizing anti-NRP1 antibody decreased pro-angiogenic factor production from SS SGEC and blocking NF-κB activation could be a way to inhibit NRP1-mediated angiogenesis in Sjögren's syndrome.
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Impaired Angiogenesis in Systemic Sclerosis: The Emerging Role of the Antiangiogenic VEGF165b Splice Variant. Trends Cardiovasc Med 2011; 21:204-10. [DOI: 10.1016/j.tcm.2012.05.011] [Citation(s) in RCA: 44] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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