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Siregar DIS, Siregar MFG, Siregar GA, Warli SM. von Willebrand Factor Gene Polymorphism in Preeclampsia Pregnant at Medan, Indonesia. Open Access Maced J Med Sci 2021. [DOI: 10.3889/oamjms.2021.7732] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
BACKGROUND: von Willebrand Factor (vWF) is a large glycoprotein mediating hemostasis and thrombosis. The roles of vWF are platelets adhesion to sites of vascular damage and stabilization of coagulation factor VIII.
AIM: This study aimed to analyze the polymorphism of the vWF gene on preeclampsia (PE) in pregnancy in Medan, Indonesia.
MATERIALS AND METHODS: DNA was amplified using the polymerase chain reaction and was electrophoresed in agarose 2%. Electrophoresis results were detected using Gel Doc 1000 (Biorad, USA). The sequencing method was used to identify polymorphism from vWF gene.
RESULTS: From 50 samples of PE patients, the g.93308C>T vWF gene polymorphism was found with the percentage of TT, CT, and CC genotypes as 50%, 42%, and 8%, respectively.
CONCLUSION: The c.93308C>T vWF gene polymorphism was found in the genotype percentage of homozygous TT, and heterozygote CT was greater than wild-type CC.
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New Drug Targets to Prevent Death Due to Stroke: A Review Based on Results of Protein-Protein Interaction Network, Enrichment, and Annotation Analyses. Int J Mol Sci 2021; 22:ijms222212108. [PMID: 34829993 PMCID: PMC8619767 DOI: 10.3390/ijms222212108] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2021] [Revised: 10/30/2021] [Accepted: 11/03/2021] [Indexed: 02/07/2023] Open
Abstract
This study used established biomarkers of death from ischemic stroke (IS) versus stroke survival to perform network, enrichment, and annotation analyses. Protein-protein interaction (PPI) network analysis revealed that the backbone of the highly connective network of IS death consisted of IL6, ALB, TNF, SERPINE1, VWF, VCAM1, TGFB1, and SELE. Cluster analysis revealed immune and hemostasis subnetworks, which were strongly interconnected through the major switches ALB and VWF. Enrichment analysis revealed that the PPI immune subnetwork of death due to IS was highly associated with TLR2/4, TNF, JAK-STAT, NOD, IL10, IL13, IL4, and TGF-β1/SMAD pathways. The top biological and molecular functions and pathways enriched in the hemostasis network of death due to IS were platelet degranulation and activation, the intrinsic pathway of fibrin clot formation, the urokinase-type plasminogen activator pathway, post-translational protein phosphorylation, integrin cell-surface interactions, and the proteoglycan-integrin extracellular matrix complex (ECM). Regulation Explorer analysis of transcriptional factors shows: (a) that NFKB1, RELA and SP1 were the major regulating actors of the PPI network; and (b) hsa-mir-26-5p and hsa-16-5p were the major regulating microRNA actors. In conclusion, prevention of death due to IS should consider that current IS treatments may be improved by targeting VWF, the proteoglycan-integrin-ECM complex, TGF-β1/SMAD, NF-κB/RELA and SP1.
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Brait VH, Miró-Mur F, Pérez-de-Puig I, Notario L, Hurtado B, Pedragosa J, Gallizioli M, Jiménez-Altayó F, Arbaizar-Rovirosa M, Otxoa-de-Amezaga A, Monteagudo J, Ferrer-Ferrer M, de la Rosa X, Bonfill-Teixidor E, Salas-Perdomo A, Hernández-Vidal A, Garcia-de-Frutos P, Lauzurica P, Planas AM. CD69 Plays a Beneficial Role in Ischemic Stroke by Dampening Endothelial Activation. Circ Res 2019; 124:279-291. [PMID: 30582456 DOI: 10.1161/circresaha.118.313818] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
RATIONALE CD69 is an immunomodulatory molecule induced during lymphocyte activation. Following stroke, T-lymphocytes upregulate CD69 but its function is unknown. OBJECTIVE We investigated whether CD69 was involved in brain damage following an ischemic stroke. METHODS AND RESULTS We used adult male mice on the C57BL/6 or BALB/c backgrounds, including wild-type mice and CD69-/- mice, and CD69+/+ and CD69-/- lymphocyte-deficient Rag2-/- mice, and generated chimeric mice. We induced ischemia by transient or permanent middle cerebral artery occlusion. We measured infarct volume, assessed neurological function, and studied CD69 expression, as well as platelet function, fibrin(ogen) deposition, and VWF (von Willebrand factor) expression in brain vessels and VWF content and activity in plasma, and performed the tail-vein bleeding test and the carotid artery ferric chloride-induced thrombosis model. We also performed primary glial cell cultures and sorted brain CD45-CD11b-CD31+ endothelial cells for mRNA expression studies. We blocked VWF by intravenous administration of anti-VWF antibodies. CD69-/- mice showed larger infarct volumes and worse neurological deficits than the wild-type mice after ischemia. This worsening effect was not attributable to lymphocytes or other hematopoietic cells. CD69 deficiency lowered the time to thrombosis in the carotid artery despite platelet function not being affected. Ischemia upregulated Cd69 mRNA expression in brain endothelial cells. CD69-deficiency increased fibrin(ogen) accumulation in the ischemic tissue, and plasma VWF content and activity, and VWF expression in brain vessels. Blocking VWF reduced infarct volume and reverted the detrimental effect of CD69-/- deficiency. CONCLUSIONS CD69 deficiency promotes a prothrombotic phenotype characterized by increased VWF and worse brain damage after ischemic stroke. The results suggest that CD69 acts as a downregulator of endothelial activation.
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Affiliation(s)
- Vanessa H Brait
- From the Department of Brain Ischemia and Neurodegeneration (V.H.B., F.M.-M., I.P.-d.-P., J.P., M.G., M.A.-R., A.O.-d.-A., X.d.l.R., E.B.-T., A.M.P.), Institut d'Investigacions Biomèdiques de Barcelona (IIBB)-Consejo Superior de Investigaciones Científicas (CSIC), Spain.,Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain (V.H.B., F.M.-M., J.P., M.G., M.A.-R., A.O.-d.-A., M.F.-F., E.B.-T., A.S.-P., A.H.-V., A.M.P.)
| | - Francesc Miró-Mur
- From the Department of Brain Ischemia and Neurodegeneration (V.H.B., F.M.-M., I.P.-d.-P., J.P., M.G., M.A.-R., A.O.-d.-A., X.d.l.R., E.B.-T., A.M.P.), Institut d'Investigacions Biomèdiques de Barcelona (IIBB)-Consejo Superior de Investigaciones Científicas (CSIC), Spain.,Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain (V.H.B., F.M.-M., J.P., M.G., M.A.-R., A.O.-d.-A., M.F.-F., E.B.-T., A.S.-P., A.H.-V., A.M.P.)
| | - Isabel Pérez-de-Puig
- From the Department of Brain Ischemia and Neurodegeneration (V.H.B., F.M.-M., I.P.-d.-P., J.P., M.G., M.A.-R., A.O.-d.-A., X.d.l.R., E.B.-T., A.M.P.), Institut d'Investigacions Biomèdiques de Barcelona (IIBB)-Consejo Superior de Investigaciones Científicas (CSIC), Spain
| | - Laura Notario
- Grupo de Activación Inmunológica, Centro Nacional de Microbiología, Instituto de Salud Carlos III (ISCIII), Madrid, Spain (L.N., P.L.)
| | - Begoña Hurtado
- Department of Cell Death and Proliferation (B.H., P.G.-d.-F.), Institut d'Investigacions Biomèdiques de Barcelona (IIBB)-Consejo Superior de Investigaciones Científicas (CSIC), Spain
| | - Jordi Pedragosa
- From the Department of Brain Ischemia and Neurodegeneration (V.H.B., F.M.-M., I.P.-d.-P., J.P., M.G., M.A.-R., A.O.-d.-A., X.d.l.R., E.B.-T., A.M.P.), Institut d'Investigacions Biomèdiques de Barcelona (IIBB)-Consejo Superior de Investigaciones Científicas (CSIC), Spain.,Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain (V.H.B., F.M.-M., J.P., M.G., M.A.-R., A.O.-d.-A., M.F.-F., E.B.-T., A.S.-P., A.H.-V., A.M.P.)
| | - Mattia Gallizioli
- From the Department of Brain Ischemia and Neurodegeneration (V.H.B., F.M.-M., I.P.-d.-P., J.P., M.G., M.A.-R., A.O.-d.-A., X.d.l.R., E.B.-T., A.M.P.), Institut d'Investigacions Biomèdiques de Barcelona (IIBB)-Consejo Superior de Investigaciones Científicas (CSIC), Spain.,Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain (V.H.B., F.M.-M., J.P., M.G., M.A.-R., A.O.-d.-A., M.F.-F., E.B.-T., A.S.-P., A.H.-V., A.M.P.)
| | - Francesc Jiménez-Altayó
- Departament de Farmacologia, Terapèutica i Toxicologia, Institut de Neurociències, Facultat de Medicina, Universitat Autònoma de Barcelona, Bellaterra, Spain (F.J.A.)
| | - Maria Arbaizar-Rovirosa
- From the Department of Brain Ischemia and Neurodegeneration (V.H.B., F.M.-M., I.P.-d.-P., J.P., M.G., M.A.-R., A.O.-d.-A., X.d.l.R., E.B.-T., A.M.P.), Institut d'Investigacions Biomèdiques de Barcelona (IIBB)-Consejo Superior de Investigaciones Científicas (CSIC), Spain.,Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain (V.H.B., F.M.-M., J.P., M.G., M.A.-R., A.O.-d.-A., M.F.-F., E.B.-T., A.S.-P., A.H.-V., A.M.P.)
| | - Amaia Otxoa-de-Amezaga
- From the Department of Brain Ischemia and Neurodegeneration (V.H.B., F.M.-M., I.P.-d.-P., J.P., M.G., M.A.-R., A.O.-d.-A., X.d.l.R., E.B.-T., A.M.P.), Institut d'Investigacions Biomèdiques de Barcelona (IIBB)-Consejo Superior de Investigaciones Científicas (CSIC), Spain.,Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain (V.H.B., F.M.-M., J.P., M.G., M.A.-R., A.O.-d.-A., M.F.-F., E.B.-T., A.S.-P., A.H.-V., A.M.P.)
| | - Juan Monteagudo
- Hemotherapy and Haemostasis Service, Hospital Clinic, Barcelona, Spain (J.M.)
| | - Maura Ferrer-Ferrer
- Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain (V.H.B., F.M.-M., J.P., M.G., M.A.-R., A.O.-d.-A., M.F.-F., E.B.-T., A.S.-P., A.H.-V., A.M.P.)
| | - Xavier de la Rosa
- From the Department of Brain Ischemia and Neurodegeneration (V.H.B., F.M.-M., I.P.-d.-P., J.P., M.G., M.A.-R., A.O.-d.-A., X.d.l.R., E.B.-T., A.M.P.), Institut d'Investigacions Biomèdiques de Barcelona (IIBB)-Consejo Superior de Investigaciones Científicas (CSIC), Spain
| | - Ester Bonfill-Teixidor
- From the Department of Brain Ischemia and Neurodegeneration (V.H.B., F.M.-M., I.P.-d.-P., J.P., M.G., M.A.-R., A.O.-d.-A., X.d.l.R., E.B.-T., A.M.P.), Institut d'Investigacions Biomèdiques de Barcelona (IIBB)-Consejo Superior de Investigaciones Científicas (CSIC), Spain.,Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain (V.H.B., F.M.-M., J.P., M.G., M.A.-R., A.O.-d.-A., M.F.-F., E.B.-T., A.S.-P., A.H.-V., A.M.P.)
| | - Angélica Salas-Perdomo
- Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain (V.H.B., F.M.-M., J.P., M.G., M.A.-R., A.O.-d.-A., M.F.-F., E.B.-T., A.S.-P., A.H.-V., A.M.P.)
| | - Alba Hernández-Vidal
- Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain (V.H.B., F.M.-M., J.P., M.G., M.A.-R., A.O.-d.-A., M.F.-F., E.B.-T., A.S.-P., A.H.-V., A.M.P.)
| | - Pablo Garcia-de-Frutos
- Department of Cell Death and Proliferation (B.H., P.G.-d.-F.), Institut d'Investigacions Biomèdiques de Barcelona (IIBB)-Consejo Superior de Investigaciones Científicas (CSIC), Spain
| | - Pilar Lauzurica
- Grupo de Activación Inmunológica, Centro Nacional de Microbiología, Instituto de Salud Carlos III (ISCIII), Madrid, Spain (L.N., P.L.)
| | - Anna M Planas
- From the Department of Brain Ischemia and Neurodegeneration (V.H.B., F.M.-M., I.P.-d.-P., J.P., M.G., M.A.-R., A.O.-d.-A., X.d.l.R., E.B.-T., A.M.P.), Institut d'Investigacions Biomèdiques de Barcelona (IIBB)-Consejo Superior de Investigaciones Científicas (CSIC), Spain.,Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain (V.H.B., F.M.-M., J.P., M.G., M.A.-R., A.O.-d.-A., M.F.-F., E.B.-T., A.S.-P., A.H.-V., A.M.P.)
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Prenatal stress-induced increases in hippocampal von Willebrand factor expression are prevented by concurrent prenatal escitalopram. Physiol Behav 2016; 172:24-30. [PMID: 27422674 DOI: 10.1016/j.physbeh.2016.07.009] [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] [Received: 01/28/2016] [Revised: 07/07/2016] [Accepted: 07/11/2016] [Indexed: 01/28/2023]
Abstract
Prenatal stress has been linked to deficits in neurological function including deficient social behavior, alterations in learning and memory, impaired stress regulation, and susceptibility to adult disease. In addition, prenatal environment is known to alter cardiovascular health; however, limited information is available regarding the cerebrovascular consequences of prenatal stress exposure. Vascular disturbances late in life may lead to cerebral hypoperfusion which is linked to a variety of neurodegenerative and psychiatric diseases. The known impact of cerebrovascular compromise on neuronal function and behavior highlights the importance of characterizing the impact of stress on not just neurons and glia, but also cerebrovasculature. Von Willebrand factor has previously been shown to be impacted by prenatal stress and is predictive of cerebrovascular health. Here we assess the impact of prenatal stress on von Willebrand factor and related angiogenic factors. Furthermore, we assess the potential protective effects of concurrent anti-depressant treatment during in utero stress exposure on the assessed cerebrovascular endpoints. Prenatal stress augmented expression of von Willebrand factor which was prevented by concurrent in utero escitalopram treatment. The functional implications of this increase in von Willebrand factor remain elusive, but the presented data demonstrate that although prenatal stress did not independently impact total vascularization, exposure to chronic stress in adulthood decreased blood vessel length. In addition, the current study demonstrates that production of reactive oxygen species in the hippocampus is decreased by prenatal exposure to escitalopram. Collectively, these findings demonstrate that the prenatal experience can cause complex changes in adult cerebral vascular structure and function.
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Rather RA, Dhawan V. Genetic markers: Potential candidates for cardiovascular disease. Int J Cardiol 2016; 220:914-23. [PMID: 27416153 DOI: 10.1016/j.ijcard.2016.06.251] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/06/2016] [Revised: 06/22/2016] [Accepted: 06/26/2016] [Indexed: 02/07/2023]
Abstract
The effective prevention of cardiovascular disease depends upon the ability to recognize the high-risk individuals at an early stage of the disease or long before the development of adverse events. Evolving technologies in the fields of proteomics, metabolomics, and genomics have played a significant role in the discovery of cardiovascular biomarkers, but so far these methods have achieved the modest success. Hence, there is a crucial need for more reliable, suitable, and lasting diagnostic and therapeutic markers to screen the disease well in time to start the clinical aid to the patients. Gene polymorphisms associated with the cardiovascular disease play a decisive role in the disease onset. Therefore, the genetic marker evaluation to classify high-risk patients from low-risk patients trends an effective approach to patient management and care. Currently, there are no genetic markers available for extensive adoption as risk factors for coronary vascular disease, yet, there are numerous promising, biologically acceptable candidates. Many of these gene biomarkers, alone or in combination, can play an essential role in the prediction of cardiovascular risk. The present review highlights some putative emerging genetic biomarkers that could facilitate more authentic and fast diagnosis of CVD. This review also briefly describes few technological approaches employed in the biomarker search.
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Affiliation(s)
- Riyaz Ahmad Rather
- Department of Experimental Medicine and Biotechnology, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Veena Dhawan
- Department of Experimental Medicine and Biotechnology, Postgraduate Institute of Medical Education and Research, Chandigarh, India.
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De Meyer SF, Denorme F, Langhauser F, Geuss E, Fluri F, Kleinschnitz C. Thromboinflammation in Stroke Brain Damage. Stroke 2016; 47:1165-72. [PMID: 26786115 DOI: 10.1161/strokeaha.115.011238] [Citation(s) in RCA: 194] [Impact Index Per Article: 24.3] [Reference Citation Analysis] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2015] [Accepted: 10/26/2015] [Indexed: 02/07/2023]
Affiliation(s)
- Simon F De Meyer
- From the Laboratory for Thrombosis Research, KU Leuven Campus Kulak Kortrijk, Kortrijk, Belgium (S.F.D.M., F.D.); and Department of Neurology, University Clinic of Würzburg, Würzburg, Germany (F.L., E.G., F.F., C.K.).
| | - Frederik Denorme
- From the Laboratory for Thrombosis Research, KU Leuven Campus Kulak Kortrijk, Kortrijk, Belgium (S.F.D.M., F.D.); and Department of Neurology, University Clinic of Würzburg, Würzburg, Germany (F.L., E.G., F.F., C.K.)
| | - Friederike Langhauser
- From the Laboratory for Thrombosis Research, KU Leuven Campus Kulak Kortrijk, Kortrijk, Belgium (S.F.D.M., F.D.); and Department of Neurology, University Clinic of Würzburg, Würzburg, Germany (F.L., E.G., F.F., C.K.)
| | - Eva Geuss
- From the Laboratory for Thrombosis Research, KU Leuven Campus Kulak Kortrijk, Kortrijk, Belgium (S.F.D.M., F.D.); and Department of Neurology, University Clinic of Würzburg, Würzburg, Germany (F.L., E.G., F.F., C.K.)
| | - Felix Fluri
- From the Laboratory for Thrombosis Research, KU Leuven Campus Kulak Kortrijk, Kortrijk, Belgium (S.F.D.M., F.D.); and Department of Neurology, University Clinic of Würzburg, Würzburg, Germany (F.L., E.G., F.F., C.K.)
| | - Christoph Kleinschnitz
- From the Laboratory for Thrombosis Research, KU Leuven Campus Kulak Kortrijk, Kortrijk, Belgium (S.F.D.M., F.D.); and Department of Neurology, University Clinic of Würzburg, Würzburg, Germany (F.L., E.G., F.F., C.K.).
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Terni E, Giannini N, Brondi M, Montano V, Bonuccelli U, Mancuso M. Genetics of ischaemic stroke in young adults. BBA CLINICAL 2014; 3:96-106. [PMID: 26672892 PMCID: PMC4661509 DOI: 10.1016/j.bbacli.2014.12.004] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 10/28/2014] [Revised: 12/18/2014] [Accepted: 12/23/2014] [Indexed: 01/12/2023]
Abstract
Background Stroke may be a clinical expression of several inherited disorders in humans. Recognition of the underlined genetic disorders causing stroke is important for a correct diagnosis, for genetic counselling and, even if rarely, for a correct therapeutic management. Moreover, the genetics of complex diseases such the stroke, in which multiple genes interact with environmental risk factors to increase risk, has been revolutionized by the Genome-Wide Association Study (GWAS) approach. Scope of review Here we review the single-gene causes of ischemic stroke, bringing the reader from the candidate gene method toward the exciting new horizons of genetic technology. Major conclusions The aetiological diagnosis of ischemic stroke in young adults is more complex than in the elderly. The identification of a genetic cause is important to provide appropriate counseling and to start a correct therapy, when available. The advent of GWAS technology, such as for other complex pathological conditions, has contributed enormously to the understanding of many of these genetic bases. For success large, well phenotyped case cohorts are required, and international collaborations are essential. General significance This review focuses on the main causes of genetically-based ischemic stroke in young adults, often classified as indeterminate, investigating also the recent findings of the GWAS, in order to improve diagnostic and therapeutic management. The aetiological diagnosis of stroke in young adults needs a different and more complex diagnostic work up than in older adults. Stroke may be a clinical expression of several inherited disorders in humans. The most common genetic causes of stroke are CADASIL, Fabry and mitochondrial diseases. Recognition of the underlined genetic disorders causing stroke is important for the correct management of the patient.
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Affiliation(s)
- Eva Terni
- Department of Experimental and Clinical Medicine, Neurological Clinic, University of Pisa, 56126 Pisa PI, Italy
| | - Nicola Giannini
- Department of Experimental and Clinical Medicine, Neurological Clinic, University of Pisa, 56126 Pisa PI, Italy
| | - Marco Brondi
- Department of Experimental and Clinical Medicine, Neurological Clinic, University of Pisa, 56126 Pisa PI, Italy
| | - Vincenzo Montano
- Department of Experimental and Clinical Medicine, Neurological Clinic, University of Pisa, 56126 Pisa PI, Italy
| | - Ubaldo Bonuccelli
- Department of Experimental and Clinical Medicine, Neurological Clinic, University of Pisa, 56126 Pisa PI, Italy
| | - Michelangelo Mancuso
- Department of Experimental and Clinical Medicine, Neurological Clinic, University of Pisa, 56126 Pisa PI, Italy
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Next-generation antithrombotics in ischemic stroke: preclinical perspective on 'bleeding-free antithrombosis'. J Cereb Blood Flow Metab 2012; 32:1831-40. [PMID: 22805877 PMCID: PMC3463876 DOI: 10.1038/jcbfm.2012.108] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
The present antithrombotic drugs used to treat or prevent ischemic stroke have significant limitations: either they show only moderate efficacy (platelet inhibitors), or they significantly increase the risk for hemorrhages (thrombolytics, anticoagulants). Although most strokes are caused by thrombotic or embolic vessel occlusions, the pathophysiological role of platelets and coagulation is largely unclear. The introduction of novel transgenic mouse models and specific coagulation inhibitors facilitated a detailed analysis of molecular pathways mediating thrombus formation in models of acute ischemic stroke. Prevention of early platelet adhesion to the damaged vessel wall by blocking platelet surface receptors glycoprotein Ib alpha (GPIbα) or glycoprotein VI (GPVI) protects from stroke without provoking bleeding complications. In addition, downstream signaling of GPIbα and GPVI has a key role in platelet calcium homeostasis and activation. Finally, the intrinsic coagulation cascade, activated by coagulation factor XII (FXII), has only recently been identified as another important mediator of thrombosis in cerebrovascular disease, thereby disproving established concepts. This review summarizes the latest insights into the pathophysiology of thrombus formation in the ischemic brain. Potential clinical merits of novel platelet inhibitors and anticoagulants as powerful and safe tools to combat ischemic stroke are discussed.
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Abstract
Thrombus formation is of paramount importance in the pathophysiology of acute ischemic stroke. Current antithrombotics used to treat or prevent cerebral ischemia are only moderately effective or bear an increased risk of severe bleeding. von Willebrand factor (VWF) has long been known to be a key player in thrombus formation at sites of vascular damage. While the association between VWF and coronary heart disease has been well studied, knowledge about the role of VWF in stroke is much more limited. However, in recent years, an increasing amount of clinical and preclinical evidence has revealed the critical involvement of VWF in stroke development. This review summarizes the latest insights into the pathophysiologic role of VWF-related processes in ischemic brain injury under experimental conditions and in humans. Potential clinical merits of novel inhibitors of VWF-mediated platelet adhesion and activation as powerful and safe tools to combat thromboembolic disorders including ischemic stroke are discussed. Preclinical and clinical evidence illustrates an important role of VWF in ischemic stroke, suggesting that VWF could become a promising target in stroke therapy.
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Affiliation(s)
- Simon F De Meyer
- Immune Disease Institute, Children's Hospital Boston, Boston, MA, USA.
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Kraft P, Nieswandt B, Stoll G, Kleinschnitz C. Akuter ischämischer Schlaganfall. DER NERVENARZT 2011; 83:435-49. [DOI: 10.1007/s00115-011-3368-6] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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11
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Stankovic S, Majkic-Singh N. Genetic aspects of ischemic stroke: coagulation, homocysteine, and lipoprotein metabolism as potential risk factors. Crit Rev Clin Lab Sci 2010; 47:72-123. [DOI: 10.3109/10408361003791520] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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12
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McCaffery JM, Duan QL, Frasure-Smith N, Barhdadi A, Lespérance F, Théroux P, Rouleau GA, Dubé MP. Genetic predictors of depressive symptoms in cardiac patients. Am J Med Genet B Neuropsychiatr Genet 2009; 150B:381-8. [PMID: 18618671 PMCID: PMC2660383 DOI: 10.1002/ajmg.b.30824] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Numerous studies suggest that the prevalence of depression is greater among cardiac patients than in the general population. However, little attention has been paid to the possibility of genetic contributions to depressive symptoms in cardiac patients. We conducted a candidate gene study focusing on genes related to inflammation, platelet aggregation, endothelial function and omega-3 fatty acid metabolism as predictors of depressive symptoms among 977 participants with established cardiovascular disease. Results suggested that genetic variation related to endothelial dysfunction is predictive of depressive symptoms and that endothelial dysfunction may be a novel mechanism contributing to depressive symptoms among cardiac patients.
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Affiliation(s)
- Jeanne M. McCaffery
- Weight Control and Diabetes Research Center, Brown Medical School and The Miriam Hospital
| | | | - Nancy Frasure-Smith
- Department of Psychiatry and School of Nursing, McGill University; the Research Center, Montreal Heart Institute; the Department of Psychiatry, University of Montreal; and the Research Center, Centre Hospitalier de l’Université de Montréal
| | - Amina Barhdadi
- Department of Medicine, Université de Montréal and the Research Centre of the Montreal Heart Institute
| | | | | | - Guy A. Rouleau
- Department of Medicine, University of Montreal; and the Research Center, Centre Hospitalier de l’Université de Montréal
| | - Marie-Pierre Dubé
- Department of Medicine, Université de Montréal and the Research Centre of the Montreal Heart Institute
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Hua Q, Zhu XL, Li PT, Liu Y, Zhang N, Xu Y, Jia X. The inhibitory effects of cholalic acid and hyodeoxycholalic acid on the expression of TNFalpha and IL-1beta after cerebral ischemia in rats. Arch Pharm Res 2009; 32:65-73. [PMID: 19183878 DOI: 10.1007/s12272-009-1119-z] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2008] [Revised: 12/04/2008] [Accepted: 12/05/2008] [Indexed: 11/26/2022]
Abstract
Previous studies have shown that Qing Kai Ling, a traditional Chinese medicine, was able to effectively prevent the inflammation from cerebral ischemia (Chen et al., 2002). The cholalic acid and hyodeoxycholalic acid (cholalic acid mixture) was major active components in Qing Kai Ling. To study the effects of cholalic acid mixture on the damage cascade of cerebral ischemia, rat model of focal cerebral ischemia was established by permanent occlusion of left middle cerebral artery. We found that the administration of cholalic acid mixture could reduce the ischemic infarct size after 24 h of ischemia, and cholalic acid mixture could be detected in cerebrospinal fluid after 2h of administration. We also found that the concentrations of tumor necrosis factor-alpha and interlukin-1beta in rat brain were significantly lower when compared to the untreated animals after 12 h and 24 h of ischemia. The concentrations of von Willebrand factor and neuron specific enolase in the plasma were remarkably decreased in cholalic acid mixture treated animals than in the untreated ones after 12h of ischemia. Our results suggested that cholalic acid mixture is able to decrease the expression of inflammation factors including tumor necrosis factor-alpha and interlukin-1beta after focal cerebral ischemia.
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Affiliation(s)
- Qian Hua
- School of Preclinical Medicine, Beijing University of Chinese Medicine, Chaoyang District, Beijing, 100029, China
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14
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Bersano A, Ballabio E, Bresolin N, Candelise L. Genetic polymorphisms for the study of multifactorial stroke. Hum Mutat 2008; 29:776-95. [PMID: 18421701 DOI: 10.1002/humu.20666] [Citation(s) in RCA: 66] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
Single-gene disorders explain only a minority of stroke cases. Stroke represents a complex trait, which is usually assumed to be polygenic. On this topic, the role of a wide number of candidate genes has been investigated in stroke through association studies, with controversial results. Therefore, it is difficult for the clinician to establish the validity and the level of clinical applicability of the previously reported associations between genetic factors and stroke. This review is an update and an extensive analysis of the more recent association studies conducted in stroke. We evaluated a number of studies on several candidate genes (including F5, F2, FGA/FGB/FGG, F7, F13A1, vWF, F12, SERPINE1, ITGB3/PLA1/PLA2/ITGA2B, ITGA2, GP1BA, ACE, AGT, NOS3, APOE, LPL, PON1, PDE4D, ALOX5AP, MTHFR, MTR, and CBS), providing a final panel of genes and molecular variants. We categorized this panel in relation to the degree of association with stroke, supported by the results of meta-analyses and case-control studies. Our findings could represent a useful tool to address further molecular investigations and to realize more detailed meta-analyses.
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Affiliation(s)
- A Bersano
- Dipartimento di Scienze Neurologiche, Ospedale Maggiore Policlinico, Mangiagalli e Regina Elena, Istituto di Ricerca e Cura a Carattere Scientifico (IRCCS), Università degli Studi di Milano, Milano, Italy
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15
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Achterberg S, Kappelle LJ, Algra A. Prognostic modelling in ischaemic stroke study, additional value of genetic characteristics. Rationale and design. Eur Neurol 2008; 59:243-52. [PMID: 18264013 DOI: 10.1159/000115638] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2007] [Accepted: 08/31/2007] [Indexed: 11/19/2022]
Abstract
BACKGROUND AND AIM The prediction of prognosis after cerebral infarction might be improved by genetic information. The aim of the Prognostic Modelling in Ischaemic Stroke study is to develop 2 different prognostic models on the basis of traditional vascular risk factors and genetic information in patients who have suffered from cerebral ischaemia of arterial origin, 1 concerning new ischaemic and the other new haemorrhagic events. METHODS Polymorphisms and haplotypes describing the haemostatic system and those that influence antithrombotic drug activity will be identified in a cohort of 1,200 patients with cerebral ischaemia of arterial origin who will be followed up for a mean of 6.5 years. In total, 312 ischaemic and 78 haemorrhagic events are anticipated. With a prevalence of a genetic characteristic of 10% a relative risk of 1.4 (95% confidence interval = 1.1-1.8) for ischaemic events and of 1.8 (95% confidence interval = 1.0-3.2) for haemorrhagic events can be estimated with sufficient precision. To determine the additional prognostic value of genetic characteristics the area under the ROC curves of 2 separate models will be compared: 1 based on non-genetic risk factors only, the other also including genetic data.
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Affiliation(s)
- S Achterberg
- Department of Neurology, Rudolf Magnus Institute of Neuroscience, University Medical Centre Utrecht, Utrecht, The Netherlands.
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Abstract
Advances in the Genetic Basis of Ischemic StrokeAs one of the leading causes of death within both the developed and developing world, stroke is a world-wide problem. About 80% of strokes are ischemic. It is caused by multiple genetic factors, environmental factors, and interactions among these factors. There is a long list of candidate genes that have been studied for a possible association with ischemic stroke. Among the most widely investigated genes are those involved in haemostasis, inflammation, nitric oxide production, homocysteine and lipid metabolism, renin-angiotensin-aldosterone system. Combined link-age/association studies have demonstrated that genes encoding PDE4D and ALOX5AP confer risk for stroke. We review the studies of these genes which may have potential application on the early diagnosis, prevention and treatment ischemic stroke patients.
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Banerjee I, Gupta V, Ganesh S. Association of gene polymorphism with genetic susceptibility to stroke in Asian populations: a meta-analysis. J Hum Genet 2006; 52:205-219. [PMID: 17171228 DOI: 10.1007/s10038-006-0098-x] [Citation(s) in RCA: 60] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2006] [Accepted: 11/23/2006] [Indexed: 01/05/2023]
Abstract
Stroke is a heterogeneous multifactorial disease and is thought to have a polygenic basis. Case-control studies on gene sequence variations have identified a number of potential genetic predisposition factors, but due to the conflicting results, uncertainty remains on the effect of these polymorphisms on risk for the development of stroke. To qualitatively and quantitatively assess the risk associated with different gene polymorphisms for stroke in Asian populations, we comprehensively searched and identified all the studies of association. Clinically overt case-control studies were selected only if neuroimaging had been used as the confirmatory measure for diagnosis of stroke. We performed a meta-analysis of the three most investigated genes, viz., methylenetetrahydrofolate reductase (MTHFR), apolipoprotein E (ApoE) and angiotensin-converting enzyme (ACE). Statistically significant association with stroke were identified for C677T polymorphism of MTHFR [random effects odds ratio (OR) = 1.47, 95% confidence interval (95% CI) 1.19, 1.82; P = 0.0004] and marginally significant association was detected with allele epsilon 4 of ApoE (random effects OR = 1.47, 95% CI 1.00, 2.15; P = 0.049). The sensitivity analysis (exclusion of studies with controls not in Hardy-Weinberg equilibrium) revealed a significant association of stroke with the MTHFR C677T and ApoE epsilon 4 alleles but showed no association with ACE gene insertion/deletion polymorphism.
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Affiliation(s)
- Indranil Banerjee
- Department of Biological Sciences and Bioengineering, Indian Institute of Technology, Kanpur, 208016, India
| | - Veena Gupta
- Department of Biological Sciences and Bioengineering, Indian Institute of Technology, Kanpur, 208016, India
| | - Subramaniam Ganesh
- Department of Biological Sciences and Bioengineering, Indian Institute of Technology, Kanpur, 208016, India.
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Abstract
Since the early 1990s attempts have been made to elucidate whether high concentrations of von Willebrand factor (VWF) and factor VIII (FVIII) in plasma are associated with an increased risk of thrombosis. Several prospective studies on the role of VWF in arterial thrombosis, mainly coronary heart disease, were performed in healthy individuals and patients with previous cardiovascular disease. Although the majority showed an association between high VWF levels and arterial thrombosis, others failed to confirm such findings. A smaller number of studies have evaluated FVIII, mainly for its association with venous thrombosis. Two prospective observations, together with several case-control studies, provided solid evidence of an association between high FVIII levels and a first or recurrent episode of venous thrombosis. On the whole, high levels of VWF and FVIII in plasma confer a moderately high risk of arterial and venous thrombosis, respectively. These findings have no therapeutic implication, but they should be taken into account in the assessment of the individual risk profile.
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Affiliation(s)
- Ida Martinelli
- Angelo Bianchi Bonomi Hemophilia and Thrombosis Center, Department of Internal Medicine and Dermatology, IRCCS Ospedale Maggiore Policlinico, University of Milan, Milan, Italy.
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19
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Gibbons GH, Liew CC, Goodarzi MO, Rotter JI, Hsueh WA, Siragy HM, Pratt R, Dzau VJ. Genetic markers: progress and potential for cardiovascular disease. Circulation 2004; 109:IV47-58. [PMID: 15226250 DOI: 10.1161/01.cir.0000133440.86427.26] [Citation(s) in RCA: 48] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Affiliation(s)
- Gary H Gibbons
- Cardiovascular Research Institute, Morehouse School of Medicine, Atlanta, Ga, USA
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Simon D, Paludo CA, Ghisleni GC, Manfroi WC, Roisenberg I. Association studies between -1185A/G von Willebrand factor gene polymorphism and coronary artery disease. Braz J Med Biol Res 2003; 36:709-14. [PMID: 12792699 DOI: 10.1590/s0100-879x2003000600005] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
High levels of von Willebrand factor (vWF) have been associated with cardiovascular disease. The A allele of the -1185A/G polymorphism in the 5'-regulatory region of the vWF gene was associated with the highest plasma vWF levels in a normal population. To examine the association between -1185A/G polymorphism and coronary artery disease (CAD), 173 Brazilian Caucasian subjects submitted to coronary angiography were studied. Of these, 57 (33%) had normal coronary arteries (control group) and 116 (67%) had CAD (patient group). Plasma vWF levels were higher in patients (145 U/dl) than in controls (130 U/dl), but the differences were significant only for O blood group subjects. Polymerase chain reaction amplification of the 864-bp vWF promoter region followed by AccII restriction digestion was used to identify the -1185A/G genotypes. The -1185A allele frequency was 43.1% in patients and 44.7% in controls. Allele and genotype frequencies were not significantly different between patients and controls. No association was observed between the -1185A/G genotypes and plasma vWF levels in patients or controls. These results suggest that -1185A/G polymorphism is not an independent risk factor for CAD.
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Affiliation(s)
- D Simon
- Departamento de Genética, Instituto de Biociências, Faculdade de Medicina, Universidade Federal do Rio Grande do Sul, São Paulo, SP, Brasil.
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Endler G, Mannhalter C. Polymorphisms in coagulation factor genes and their impact on arterial and venous thrombosis. Clin Chim Acta 2003; 330:31-55. [PMID: 12636925 DOI: 10.1016/s0009-8981(03)00022-6] [Citation(s) in RCA: 77] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Arterial and venous thromboses, with their clinical manifestations such as stroke, myocardial infarction (MI), or pulmonary embolism, are the major causes of death in developed countries. Several studies in twins and siblings have shown that genetic factors contribute significantly to the development of these diseases. Since the advent of molecular genetics in medicine, it has been a focus of interest to elucidate the role of mutations in various candidate genes and their impact on hemostatic disorders such as arterial and venous thromboses. In this article, we review the current knowledge of the contribution of polymorphisms in coagulation factors to the development of thrombotic diseases. We show that in arterial thrombosis, results are controversial. Only for factor XIII 34Leu a protective effect on the development of myocardial infarction has been demonstrated in several studies. No other single polymorphism in a coagulation factor could be confirmed as a relevant risk factor, although there is evidence for a role of factor V Arg506Gln, factor VII Arg353Gln, and vWF Thr789Ala polymorphisms in patient subgroups. Further studies will be necessary to confirm the value of testing for genetic polymorphisms in arterial thrombosis. A large body of data is available on the role of factor V Arg506Gln and the prothrombin G20210A mutation in venous thrombosis. Some papers already recommend diagnosis and treatment strategies. We will discuss these recent publications on venous thrombosis in our review.
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Affiliation(s)
- Georg Endler
- Clinical Institute of Medical and Chemical Laboratory Diagnostics, Molecular Biology Division, University Vienna Medical School, Austria
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