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Öncül Y, Akyay A, Özgen Ü. Thromboembolism in Children. Indian J Pediatr 2023:10.1007/s12098-023-04539-3. [PMID: 37142860 DOI: 10.1007/s12098-023-04539-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/08/2022] [Accepted: 02/23/2023] [Indexed: 05/06/2023]
Abstract
OBJECTIVE To study pediatric patients who were diagnosed with thrombosis between January 2009 and March 2020. METHODS Patients were evaluated with respect to thrombophilic risk factors, localization of the thrombus, response to treatment, and recurrence rates during the last 11 y. RESULTS Among 84 patients, 59 (70%) had venous thrombosis and 20 (24%) had arterial thrombosis. The number of documented thrombosis amongst hospitalized children in authors' hospital has increased over the years. It has been observed that the annual incidence of thromboembolism has increased after 2014. Thirteen patients were recorded between 2009 and 2014 and 71 patients between 2015 and 2020 (until March 2020). Exact thrombosis localization could not be detected in 5 patients. The median age of patients was 8 ± 5.95 (range 0-18). Fourteen children (16.9%) had a history of familial thrombosis. Genetic and/or acquired risk factors were detected in 81 (96.4%) of the patients. Overall, 64 patients (76.1%) had acquired risk factors such as infection (20.2%), catheterization (13.1%), liver disease (11.9%), mastoiditis (8.3%), liver transplantation (6%), hypoxic-ischemic encephalopathy (4.8%), dehydration (3.6%), trauma (3.6%) and cancer (2.4%). As genetic risk factors, the most common genetic mutations were PAI-1 4G>5G, MTHFR C677T, and MTHFR A1298C mutations. Twenty-eight (41.2%) patients had at least one genetic thrombophilic mutation. At least one homozygous mutation in 37 patients (44%) and at least one heterozygous mutation in 55 patients (65.4%) were detected. CONCLUSIONS The annual incidence of thrombosis has increased over the years. Genetic predisposition and acquired risk factors play an important role in etiology, treatment, and follow-up in children with thromboembolism. Especially, genetic predisposition is common. Thrombophilic risk factors should be investigated and optimal therapeutic and prophylactic measures should be promptly taken in children with thrombosis.
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Affiliation(s)
- Yurday Öncül
- Department of Pediatric Hematology and Oncology, Inonu University School of Medicine, Malatya, Turkey.
| | - Arzu Akyay
- Department of Pediatric Hematology and Oncology, Inonu University School of Medicine, Malatya, Turkey
| | - Ünsal Özgen
- Department of Pediatric Hematology and Oncology, Inonu University School of Medicine, Malatya, Turkey
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Korczowska-Łącka I, Hurła M, Banaszek N, Kobylarek D, Szymanowicz O, Kozubski W, Dorszewska J. Selected Biomarkers of Oxidative Stress and Energy Metabolism Disorders in Neurological Diseases. Mol Neurobiol 2023; 60:4132-4149. [PMID: 37039942 DOI: 10.1007/s12035-023-03329-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Accepted: 03/22/2023] [Indexed: 04/12/2023]
Abstract
Neurological diseases can be broadly divided according to causal factors into circulatory system disorders leading to ischemic stroke; degeneration of the nerve cells leading to neurodegenerative diseases, such as Alzheimer's (AD) and Parkinson's (PD) diseases, and immune system disorders; bioelectric activity (epileptic) problems; and genetically determined conditions as well as viral and bacterial infections developing inflammation. Regardless of the cause of neurological diseases, they are usually accompanied by disturbances of the central energy in a completely unexplained mechanism. The brain makes up only 2% of the human body's weight; however, while working, it uses as much as 20% of the energy obtained by the body. The energy requirements of the brain are very high, and regulatory mechanisms in the brain operate to ensure adequate neuronal activity. Therefore, an understanding of neuroenergetics is rapidly evolving from a "neurocentric" view to a more integrated picture involving cooperativity between structural and molecular factors in the central nervous system. This article reviewed selected molecular biomarkers of oxidative stress and energy metabolism disorders such as homocysteine, DNA damage such as 8-oxo2dG, genetic variants, and antioxidants such as glutathione in selected neurological diseases including ischemic stroke, AD, PD, and epilepsy. This review summarizes our and others' recent research on oxidative stress in neurological disorders. In the future, the diagnosis and treatment of neurological diseases may be substantially improved by identifying specific early markers of metabolic and energy disorders.
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Affiliation(s)
- Izabela Korczowska-Łącka
- Laboratory of Neurobiology, Department of Neurology, Poznan University of Medical Sciences, 49, Przybyszewskiego St, 60-355, Poznan, Poland
| | - Mikołaj Hurła
- Laboratory of Neurobiology, Department of Neurology, Poznan University of Medical Sciences, 49, Przybyszewskiego St, 60-355, Poznan, Poland
| | - Natalia Banaszek
- Laboratory of Neurobiology, Department of Neurology, Poznan University of Medical Sciences, 49, Przybyszewskiego St, 60-355, Poznan, Poland
| | - Dominik Kobylarek
- Chair and Department of Neurology, Poznan University of Medical Sciences, Poznan, Poland
| | - Oliwia Szymanowicz
- Laboratory of Neurobiology, Department of Neurology, Poznan University of Medical Sciences, 49, Przybyszewskiego St, 60-355, Poznan, Poland
| | - Wojciech Kozubski
- Chair and Department of Neurology, Poznan University of Medical Sciences, Poznan, Poland
| | - Jolanta Dorszewska
- Laboratory of Neurobiology, Department of Neurology, Poznan University of Medical Sciences, 49, Przybyszewskiego St, 60-355, Poznan, Poland.
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3
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Zhao L, Li T, Dang M, Li Y, Fan H, Hao Q, Song D, Lu J, Lu Z, Jian Y, Wang H, Wang X, Wu Y, Zhang G. Association of methylenetetrahydrofolate reductase (MTHFR) rs1801133 (677C>T) gene polymorphism with ischemic stroke risk in different populations: An updated meta-analysis. Front Genet 2023; 13:1021423. [PMID: 36685916 PMCID: PMC9845415 DOI: 10.3389/fgene.2022.1021423] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2022] [Accepted: 11/29/2022] [Indexed: 01/05/2023] Open
Abstract
Background: Recently, increasing evidence has implicated methylenetetrahydrofolate reductase (MTHFR) gene mutation as a risk factor for ischemic stroke (IS) in the general population. However, studies have been inconclusive and lack evidence on specific populations. We aim to determine whether the rs1801133 (NC_000001.11 (MTHFR):g. 677C>T (p.Ala222Val) variant, we termed as MTHFR rs1801133 (677 C>T), is linked to an increased risk of IS in different age groups and ancestry groups. Methods: The literature relevant to our study was found by searching the PubMed, Cochrane Library, Web of Science, EMBASE, and CNKI databases. A random effect model analysis was used to calculate the pooled odds ratio (OR) and 95% confidence interval (CI) to evaluate any possible association. We conducted a subgroup analysis based on the age and ancestry groups of the included populations. Results: As of March 2022, 1,925 citations had been identified in electronic databases, of which 96 studies involving 34,814 subjects met our eligibility criteria. A strong link was found between IS and the MTHFR gene rs1801133 (677C>T) polymorphism in all genetic models [dominant genetic model (OR = 1.47; 95%CI = 1.33-1.61; p < 0.001), recessive genetic model (OR = 1.52; 95%CI = 1.36-1.71; p < 0.001), heterozygous model (OR = 1.36; 95%CI = 1.24-1.48; p < 0.001), homozygous model (OR = 1.82; 95%CI = 1.58-2.11; p < 0.001), and T allelic genetic model (OR = 1.37; 95%CI = 1.27-1.48; p < 0.001)]. Further subgroup analyses indicated that the MTHFR rs1801133 (677C>T) variant may increase the risk of IS in Asian, Hispanic, or Latin population, middle-aged, and elderly populations (p < 0.001). Conclusion: Our results implied that mutation of the T allele of MTHFR rs1801133 (677C>T) could be a risk factor for IS. A significant association was found among Asian, Hispanic, or Latin population, middle-aged, and elderly people.
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Affiliation(s)
- Lili Zhao
- Department of Neurology, The Second Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
| | - Tao Li
- Department of Neurology, The Second Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
| | - Meijuan Dang
- Department of Neurology, The Second Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
| | - Ye Li
- Department of Neurology, The Second Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
| | - Hong Fan
- Department of Neurology, The Second Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
| | - Qian Hao
- Department of Oncology, The Second Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
| | - Dingli Song
- Department of Thoracic Surgery, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
| | - Jialiang Lu
- Department of Neurology, The Second Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
| | - Ziwei Lu
- Department of Neurology, The Second Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
| | - Yating Jian
- Department of Neurology, The Second Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
| | - Heying Wang
- Department of Neurology, The Second Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
| | - Xiaoya Wang
- Department of Neurology, The Second Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
| | - Yulun Wu
- Department of Neurology, The Second Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China
| | - Guilian Zhang
- Department of Neurology, The Second Affiliated Hospital of Xi’an Jiaotong University, Xi’an, China,*Correspondence: Guilian Zhang,
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Tan MA, Layug EJV, Singh BP, Parakh M. Diagnosis of Pediatric Stroke in Resource Limited Settings. Semin Pediatr Neurol 2022; 44:100997. [PMID: 36456040 DOI: 10.1016/j.spen.2022.100997] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2022] [Revised: 09/01/2022] [Accepted: 09/07/2022] [Indexed: 10/14/2022]
Abstract
Global awareness of stroke as a significant cause of neurologic sequelae and death in children has increased over the years as more data in this field becomes available. However, most published literature on pediatric stroke have limited geographic representation. Data on childhood stroke from developing countries remains limited. Thus, this paper reviewed geographic/ethnic differences in pediatric stroke risk factors highlighting those reported in low- and middle-income countries, and proposes a childhood arterial ischemic stroke diagnostic algorithm for resource limited settings. Stroke risk factors include cardiac disorders, infectious diseases, cerebral arteriopathies, hematologic disorders, inflammatory diseases, thrombophilia and genetic conditions. Infection of the central nervous system particularly tuberculous meningitis, is a leading cause of pediatric arterial ischemic stroke in developing countries. Stroke should be considered in children with acute focal neurologic deficit especially in the presence of aforementioned risk factors. Cranial magnetic resonance imaging with angiography is the neuroimaging modality of choice but if unavailable, cranial computed tomography with angiography may be performed as an alternative. If both are not available, transcranial doppler together with neurologic exam may be used to screen children for arterial ischemic stroke. Etiological diagnosis follows with the aid of appropriate laboratory tests that are available in each level of care. International collaborative research on stroke risk factors that are prevalent in low and middle income countries will provide information for drafting of stroke care guidelines that are universal yet inclusive taking into consideration regional differences in available resources with the goal of reducing global stroke burden.
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Affiliation(s)
- Marilyn A Tan
- Division of Pediatric Neurology, Departments of Pediatrics and Neurosciences, University of the Philippines - Philippine General Hospital, Manila, Philippines.
| | - Elbert John V Layug
- Division of Pediatric Neurology, Departments of Pediatrics and Neurosciences, University of the Philippines - Philippine General Hospital, Manila, Philippines
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Gordeeva OB, Vashakmadze ND, Karaseva MS, Babaykina MA, Zhurkova NV, Soloshenko MA, Kretova EV. Modern Aspects of Anticoagulation System Disorders Diagnosis in Children with Different Polymorphisms in Coagulation Genes. Initial Results. PEDIATRIC PHARMACOLOGY 2022. [DOI: 10.15690/pf.v19i4.2444] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
Background. Hemostatic system pathology is topical and poorly studied issue in pediatrics. One of the main causes of coagulation pathway disorders associated with thrombotic events is abnormality in various parts of the hemostatic system. Vascular accidents are commonly caused by anticoagulation system factors deficiency. Conventionally, thrombosis is a common event in adult patients, and there is no adequate attention to disorders of primary physiological anticoagulants system in children. More often acquired anticoagulant proteins deficiency develops in presence of various pathological conditions, especially after the past infectious diseases. All these diseases (thrombophilia, trombotic events, cardiovascular pathology, nervous system diseases, genetic diseases) can occur separately and in association with each other, plus clinical picture of coagulation events may be similar. Objective. The aim of the study is to evaluate changes in the physiological anticoagulants system in children with different pathologies who have polymorphic variants in coagulation genes and who had new coronavirus infection. Methods. The study included 33 children who had severe coronavirus infection in family clusters and had severe chronic pathology potentially associated with disorders of the coagulation system (nervous system damage, hypertrophic cardiomyopathy, hereditary monogenic syndromes, hemato-mesenchymal dysplasia syndrome). All children underwent complete examination including clinical examination, laboratory, and instrumental diagnostics. Results. Preliminary study results indicate significant incidence of polymorphic variants in coagulation genes (one third of children with various diseases from the study). Some children had decreased activity of anticoagulation system glycoproteins (from 6% to 36%) that confirmed the topicality of the examination of anticoagulation system factors deficiency and the need for further dynamic follow-up, as well as revealing of trombophilia predictors in children in selected target groups. Study on revealing anticoagulation system disorders and mutations in coagulation genes will predict the risk of thrombotic disorders. Conclusion. The obtained results have confirmed the significant role of the ongoing study for comprehensive assessment of hemostatic system disorders in children. That will allow us to optimize the approach to diagnosis and personalize the management strategy for patients with different chronic pathologies and disorders of the natural anticoagulants system. The study is currently ongoing.
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Affiliation(s)
- Olga B. Gordeeva
- Pediatrics and Child Health Research Institute in Petrovsky National Research Centre of Surgery; Pirogov Russian National Research Medical University
| | - Nato D. Vashakmadze
- Pediatrics and Child Health Research Institute in Petrovsky National Research Centre of Surgery; Pirogov Russian National Research Medical University
| | - Maria S. Karaseva
- Pediatrics and Child Health Research Institute in Petrovsky National Research Centre of Surgery
| | - Marina A. Babaykina
- Pediatrics and Child Health Research Institute in Petrovsky National Research Centre of Surgery
| | - Natalia V. Zhurkova
- Pediatrics and Child Health Research Institute in Petrovsky National Research Centre of Surgery
| | - Margarita A. Soloshenko
- Pediatrics and Child Health Research Institute in Petrovsky National Research Centre of Surgery
| | - Elena V. Kretova
- Pediatrics and Child Health Research Institute in Petrovsky National Research Centre of Surgery
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6
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Apolipoprotein E ε4 Polymorphism as a Risk Factor for Ischemic Stroke: A Systematic Review and Meta-Analysis. DISEASE MARKERS 2022; 2022:1407183. [PMID: 35154509 PMCID: PMC8831053 DOI: 10.1155/2022/1407183] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Revised: 12/21/2021] [Accepted: 01/05/2022] [Indexed: 11/18/2022]
Abstract
Introduction Rising studies indicate that the apolipoprotein E (APOE) gene is related to the susceptibility of ischemic stroke (IS). However, certain consensus is limited by the lack of a large sample size of researches. This meta-analysis was performed to explore the potential association between the APOE gene and IS. Methods To identify relevant case control studies in English publications by October 2020, we searched PubMed, Embase, Web of Science, and the Cochrane Library. Pooled odds ratios (ORs) with fixed- or random-effect models and corresponding 95% confidence intervals (CIs) were calculated to analyze potential associations. Results A total of 55 researches from 32 countries containing 12207 IS cases and 27742 controls were included. The association between APOE gene ε4 mutation and IS was confirmed (ε4 vs. ε3 allele: pooled OR = 1.374, 95% CI, 1.214-1.556; ε2/ε4 vs. ε3/ε3: pooled OR = 1.233, 95% CI, 1.056-1.440; ε3/ε4 vs. ε3/ε3: pooled OR = 1.340, 95% CI, 1.165-1.542; ε4/ε4 vs. ε3/ε3: pooled OR = 1.833, 95% CI, 1.542-2.179; and APOE ε4 carriers vs. non-ε4 carriers: pooled OR = 1.377; 95% CI, 1.203-1.576). Interestingly, APOE ε4 mutation showed a dose-response correlation with IS risk (ε4/ε4 vs. ε2/ε4: pooled OR = 1.625; 95% CI, 1.281-2.060; ε4/ε4 vs. ε3/ε4: pooled OR = 1.301; 95% CI, 1.077-1.571). Similar conclusions were drawn in the small artery disease (SAD) subtype, but not in large artery atherosclerosis (LAA) or in cardioaortic embolism (CE), by subgroup analysis. Conclusions These observations reveal that specific APOE ε4 mutation was significantly associated with the risk of IS in a dose-dependent manner, while APOE ε4 mutation was related to SAD subtype onset without a cumulative effect.
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Jankovic M, Petrovic B, Novakovic I, Brankovic S, Radosavljevic N, Nikolic D. The Genetic Basis of Strokes in Pediatric Populations and Insight into New Therapeutic Options. Int J Mol Sci 2022; 23:ijms23031601. [PMID: 35163523 PMCID: PMC8835808 DOI: 10.3390/ijms23031601] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Revised: 01/27/2022] [Accepted: 01/28/2022] [Indexed: 02/04/2023] Open
Abstract
Strokes within pediatric populations are considered to be the 10th leading cause of death in the United States of America, with over half of such events occurring in children younger than one year of life. The multifactorial etiopathology that has an influence on stroke development and occurrence signify the importance of the timely recognition of both modifiable and non-modifiable factors for adequate diagnostic and treatment approaches. The early recognition of a stroke and stroke risk in children has the potential to advance the application of neuroprotective, thrombolytic, and antithrombotic interventions and rehabilitation strategies to the earliest possible timepoints after the onset of a stroke, improving the outcomes and quality of life for affected children and their families. The recent development of molecular genetic methods has greatly facilitated the analysis and diagnosis of single-gene disorders. In this review, the most significant single gene disorders associated with pediatric stroke are presented, along with specific therapeutic options whenever they exist. Besides monogenic disorders that may present with stroke as a first symptom, genetic polymorphisms may contribute to the risk of pediatric and perinatal stroke. The most frequently studied genetic risk factors are several common polymorphisms in genes associated with thrombophilia; these genes code for proteins that are part of the coagulation cascade, fibrolysis, homocystein metabolism, lipid metabolism, or platelets. Single polymorphism frequencies may not be sufficient to completely explain the stroke causality and an analysis of several genotype combinations is a more promising approach. The recent steps forward in our understanding of the disorders underlying strokes has given us a next generation of therapeutics and therapeutic targets by which to improve stroke survival, protect or rebuild neuronal connections in the brain, and enhance neural function. Advances in DNA sequencing and the development of new tools to correct human gene mutations have brought genetic analysis and gene therapy into the focus of investigations for new therapeutic options for stroke patients.
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Affiliation(s)
- Milena Jankovic
- Neurology Clinic, Clinical Center of Serbia, 11000 Belgrade, Serbia;
| | - Bojana Petrovic
- Clinic of Gynecology and Obstetrics, Clinical Center of Serbia, 11000 Belgrade, Serbia;
| | - Ivana Novakovic
- Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia;
| | - Slavko Brankovic
- Faculty of Sciences and Mathematics, University of Priština in Kosovska Mitrovica, 38220 Kosovska Mitrovica, Serbia;
| | - Natasa Radosavljevic
- Department of Physical Medicine and Rehabilitation, King Abdulaziz Specialist Hospital, Taif 26521, Saudi Arabia;
| | - Dejan Nikolic
- Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia;
- Physical Medicine and Rehabilitation Department, University Children’s Hospital, 11000 Belgrade, Serbia
- Correspondence:
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Dong X, Wang J, Wang G, Wang J, Wang L, Du Y. MTHFR A1298C gene polymorphism on stroke risk: an updated meta-analysis. Genes Environ 2021; 43:40. [PMID: 34563265 PMCID: PMC8467014 DOI: 10.1186/s41021-021-00208-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2021] [Accepted: 05/30/2021] [Indexed: 01/11/2023] Open
Abstract
Background Previous studies have shown the effect of MTHFR A1298C gene polymorphism on stroke risk. But the results of published studies remained inconclusive and controversial. So we conducted a meta-analysis to accurately estimate the potential association between MTHFR A1298C gene polymorphism and stroke susceptibility. Methods A systematic literature search on Embase, Pubmed, Web of Science, Cochrane Library, China National Knowledge Infrastructure (CNKI) and WanFang electronic database identified 40 articles including 5725 cases and 8655 controls. Strength of association was evaluated by pooled odds ratio (OR), 95% confidence interval (CI) and p value. Funnel plots and Begger’s regression test were applied for testing the publication bias. Statistical analysis of all data was performed by Stata 12.0. Results The meta-analysis results indicated a significant relationship between MTHFR gene A1298C polymorphisms and stoke risk under the C allelic genetic model (OR = 1.19, 95%CI = 1.07–1.32, p = 0.001), dominant genetic model (OR = 1.19, 95%CI = 1.06–1.33, p = 0.004) and recessive genetic model (OR = 1.43, 95%CI =1.15–1.77, p = 0.001). In subgroup analysis, we discovered obvious correlation in three genetic model of Asian, stroke type, adult by ethnicity, population, stroke type, source of control and case size. Additionally, in studies of control from hospital and case size equal 100, obvious correlation was also found in the three genetic model. Conclusions Our meta-analysis results indicated that there was evidence to support the correlation between MTHFR A1298C polymorphism and stroke susceptibility, especially in adults and ischemic stroke.
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Affiliation(s)
- Xiaobo Dong
- The Third department of Encephalopathy, Dongfang Hospital Beijing University of Chinese Medicine, No. 6, Area 1, Fangxing Garden Fangzhuang, Fengtai District, Beijing, 100078, China
| | - Jun Wang
- Department of Neurology, Chinese PLA General Hospital, Beijing, 100039, China
| | - Gesheng Wang
- The Third department of Encephalopathy, Dongfang Hospital Beijing University of Chinese Medicine, No. 6, Area 1, Fangxing Garden Fangzhuang, Fengtai District, Beijing, 100078, China.
| | - Jiayue Wang
- The Third department of Encephalopathy, Dongfang Hospital Beijing University of Chinese Medicine, No. 6, Area 1, Fangxing Garden Fangzhuang, Fengtai District, Beijing, 100078, China
| | - Lei Wang
- The Third department of Encephalopathy, Dongfang Hospital Beijing University of Chinese Medicine, No. 6, Area 1, Fangxing Garden Fangzhuang, Fengtai District, Beijing, 100078, China
| | - Yong Du
- The Third department of Encephalopathy, Dongfang Hospital Beijing University of Chinese Medicine, No. 6, Area 1, Fangxing Garden Fangzhuang, Fengtai District, Beijing, 100078, China
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Bahrami R, Dastgheib SA, Mirjalili H, Setayesh S, Shaker SH, Mirjalili SR, Noorishadkam M, Neamatzadeh H. Association of SERPINE1 rs1799889 polymorphism with arterial ischemic stroke in children: a systematic review and meta-analysis. NUCLEOSIDES NUCLEOTIDES & NUCLEIC ACIDS 2021; 40:1018-1035. [PMID: 34429017 DOI: 10.1080/15257770.2021.1966798] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
Inherited thrombophilias are well-established predisposing factors for venous thromboembolism, but their role in arterial ischemic stroke (AIS) in children, remains unclear. The association between SERPINE1 rs1799889 polymorphism and AIS in children was evaluated by several studies, whereas the results were conflicting. Thus, we performed this meta-analysis to combine and analyze the available studies in order to provide a more accurate result on the association. PubMed, Scopus, EMBASE, SciELO, MedRxiv, China Biology Medicine Disk, DeepDyve, CNKI, and Web of Science were used to identify all relevant articles published up to 30 November 2020, without any restrictions on ethnicity. Summary odds ratios (ORs) with 95% confidence intervals (CIs) were used to determine the strength of the associations. A total of eight case-control studies with 600 cases and 2,156 controls were selected. No significant association between SERPINE1 rs1799889 polymorphism and AIS in children susceptibility was noted. In the stratified analyses by ethnicity, source of controls, genotyping methods, and age groups, there was still no significant association between SERPINE1 rs1799889 polymorphism and AIS risk in children. This study suggested that SERPINE1 rs1799889 polymorphism might be not related to etiology of AIS in children. Moreover, well-designed, large-scale and multicenter clinical studies are required to improve and validate these results.Supplemental data for this article is available online at https://doi.org/10.1080/15257770.2021.1966798 .
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Affiliation(s)
- Reza Bahrami
- Neonatal Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Seyed Alireza Dastgheib
- Department of Medical Genetics, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Hamid Mirjalili
- Department of Emergency Medicine, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Sepideh Setayesh
- School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Seyed Hossein Shaker
- Department of Emergency Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Seyed Reza Mirjalili
- Mother and Newborn Health Research Center, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Mahmood Noorishadkam
- Mother and Newborn Health Research Center, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Hossein Neamatzadeh
- Department of Emergency Medicine, Iran University of Medical Sciences, Tehran, Iran.,Department of Medical Genetics, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
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Sarecka-Hujar B, Kopyta I. The Impact of Sex on Arterial Ischemic Stroke in Young Patients: From Stroke Occurrence to Poststroke Consequences. CHILDREN-BASEL 2021; 8:children8030238. [PMID: 33803901 PMCID: PMC8003301 DOI: 10.3390/children8030238] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/14/2021] [Revised: 03/12/2021] [Accepted: 03/16/2021] [Indexed: 01/12/2023]
Abstract
The male sex has been suggested to predominate in paediatric patients with arterial ischemic stroke (AIS), especially in newborns. The explanation for this phenomenon remains unsatisfactory since it focuses on the analysis of the potential relationship with trauma and arterial dissection. In turn, in some populations of young adults, men suffer from AIS more frequently than women, which may be related to the protective role of oestrogen. On the other hand, certain data indicate that women dominate over men. Some of the disparities in the frequencies of particular symptoms of AIS and poststroke consequences in both children and young adults have been suggested; however, data are scarce. Unfortunately, the low number of studies on the subject does not allow certain conclusions to be drawn. For adults, more data are available for patients aged over 60 years, the results of which are more obvious. The present literature review aimed to discuss available data on the prevalence of AIS, its clinical presentations, and poststroke consequences in regard to the sex of young patients. We considered young patients to be children from birth up to the age of 19 years of life and young adults to be individuals up to the age of 55 years. The role of sex hormones in AIS and possible gender differences in genetic risk factors for AIS were also discussed briefly.
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Affiliation(s)
- Beata Sarecka-Hujar
- Department of Basic Biomedical Science, Faculty of Pharmaceutical Sciences in Sosnowiec, Medical University of Silesia in Katowice, Kasztanowa Str 3, 41-200 Sosnowiec, Poland
- Correspondence: or ; Tel.: +48-32-269-98-30
| | - Ilona Kopyta
- Department of Pediatric Neurology, Faculty of Medical Sciences in Katowice, Medical University of Silesia in Katowice, Medykow Str 16, 40-752 Katowice, Poland;
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Wang J, Sun Z, Yang Y, Wu J, Quan W, Chen X, Ni P, Li D. Association of laboratory parameters and genetic polymorphisms with ischemic stroke in Chinese Han population. Exp Ther Med 2021; 21:490. [PMID: 33790999 PMCID: PMC8005697 DOI: 10.3892/etm.2021.9921] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2020] [Accepted: 02/09/2021] [Indexed: 12/18/2022] Open
Abstract
Numerous genetic polymorphisms and clinical laboratory parameters are associated with ischemic stroke (IS). However, the results of such studies have frequently been inconsistent. The aim of the present study was to evaluate associations between clinical laboratory parameters with genetic polymorphisms that influence the risk of IS in a Chinese Han population. Clinical laboratory parameters were measured by an automatic biochemical analyzer. Genotype and allele frequencies of the polymorphisms angiotensin-converting enzyme (ACE) D/I, methylene tetrahydrofolate reductase (MTHFR) C677T and β-fibrinogen (β-Fg) A/G, 455/148T/C were characterized by restriction fragment length polymorphism-PCR. Furthermore, the gene polymorphisms plasminogen activator inhibitor (PAI)-1-4G/5G and apolipoprotein E (ApoE) ε2,3,4 were characterized by allele-specific PCR. The associations of genotype and allele frequencies of the six risk genes in different groups with clinical laboratory parameters were analyzed by chi-square tests. The distribution maps of the polymorphisms of the six genes and clinical laboratory parameters were compared between a control group of 336 healthy individuals and 762 patients with IS. Certain laboratory parameters were associated with ACE I/D, β-Fg-455 A/G and PAI-1 4G/5G. The D allele of ACE I/D was associated with high levels of total cholesterol and low-density lipoprotein cholesterol (LDL-C). Furthermore, high levels of fasting blood glucose, triglyceride and LDL-C were risk factors for IS. There were significant differences in the genotype frequencies of ACE I/D, β-Fg-455 A/G and β-Fg-148 T/C between the IS and the control group. In conclusion, clinical laboratory parameters were associated with the risk of polymorphisms of IS-related genes. The present results support the determination of a range of control values of clinical laboratory parameters for common genotypes in patients with diabetes and hyperlipidemia as a strategy for the early prevention of IS.
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Affiliation(s)
- Jiayong Wang
- Faculty of Medical Laboratory Science, Ruijin Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai 200020, P.R. China.,Department of Clinical Laboratory, Shanghai Tongji Hospital, Tongji University School of Medicine, Shanghai 200065, P.R. China
| | - Zujun Sun
- Department of Clinical Laboratory, Shanghai Tongji Hospital, Tongji University School of Medicine, Shanghai 200065, P.R. China
| | - Yibao Yang
- Department of Clinical Laboratory, Shanghai Tongji Hospital, Tongji University School of Medicine, Shanghai 200065, P.R. China
| | - Junlu Wu
- Department of Clinical Laboratory, Shanghai Tongji Hospital, Tongji University School of Medicine, Shanghai 200065, P.R. China
| | - Wenqiang Quan
- Department of Clinical Laboratory, Shanghai Tongji Hospital, Tongji University School of Medicine, Shanghai 200065, P.R. China
| | - Xingcai Chen
- Department of Human Anatomy, Guangxi Medical University, Nanning, Guangxi 530021, P.R. China
| | - Peihua Ni
- Faculty of Medical Laboratory Science, Ruijin Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai 200020, P.R. China
| | - Dong Li
- Department of Clinical Laboratory, Shanghai Tongji Hospital, Tongji University School of Medicine, Shanghai 200065, P.R. China
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Jafari M, Jarahzadeh MH, Dastgheib SA, Seifi-Shalamzari N, Raee-Ezzabadi A, Sadeghizadeh-Yazdi J, Akbarian E, Neamatzadeh H. Association of PAI-1 rs1799889 Polymorphism with Susceptibility to Ischemic Stroke: a Huge Meta-Analysis based on 44 Studies. ACTA MEDICA (HRADEC KRÁLOVÉ) 2021; 63:31-42. [PMID: 32422114 DOI: 10.14712/18059694.2020.13] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
BACKGROUND the PAI-1 rs1799889 polymorphism has been reported to be associated with susceptibility to ischemic stroke. However, the results of previous studies have been inconsistent or controversial. Hence, we performed a systematic review and meta-analysis to evaluate the association of PAI-1 rs1799889 polymorphism with ischemic stroke risk. METHODS A comprehensive literature search was performed on PubMed, Web of Science, Scopus, SciELO, CNKI, and CBD databases up to November 05, 2019. Pooled odds ratio (OR) with 95% confidence interval (CI) were used to access the strength of this association in fixed- or random-effects model. RESULTS A total of 44 case-control studies with 8,620 cases and 10,260 controls were selected. Pooled data showed a significant association between PAI-1 rs1799889 polymorphism and ischemic stroke risk in the overall populations (GG vs. AA: OR = 0.791, 95% CI 0.633-0.988, p = 0.039; GA vs. AA: OR = 0.807, 95% CI 0.683-0.953, p = 0.012; and GG+GA vs. AA: OR = 0.795, 95% CI 0.637-0.993, p = 0.043). Subgroup analysis by ethnicity revealed a significant association in Asian and Mixed populations, but not in Caucasians. Moreover, stratified analysis by country of origin revealed an increased risk of ischemic stroke in Chinese populations, but not among Dutch (Netherlands) and Swedish. CONCLUSIONS This meta-analysis result suggested that PAI-1 rs1799889 polymorphism was associated with an increased risk of ischemic stroke, especially in Asian and Mixed populations.
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Affiliation(s)
- Mohammadali Jafari
- Department of Emergency Medicine, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | | | - Seyed Alireza Dastgheib
- Department of Medical Genetics, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Neda Seifi-Shalamzari
- Department of Emergency Medicine, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Ali Raee-Ezzabadi
- Department of Emergency Medicine, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Jalal Sadeghizadeh-Yazdi
- Department of Food Science and Technology, School of Public Health, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Elahe Akbarian
- Children Growth Disorder Research Center, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Hossein Neamatzadeh
- Department of Medical Genetics, Shahid Sadoughi University of Medical Sciences, Yazd, Iran.,Mother and Newborn Health Research Center, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
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M'barek L, Sakka S, Meghdiche F, Turki D, Maalla K, Dammak M, Kallel C, Mhiri C. MTHFR (C677T, A1298C), FV Leiden polymorphisms, and the prothrombin G20210A mutation in arterial ischemic stroke among young tunisian adults. Metab Brain Dis 2021; 36:421-428. [PMID: 33400068 DOI: 10.1007/s11011-020-00663-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Accepted: 12/25/2020] [Indexed: 12/15/2022]
Abstract
Arterial ischemic stroke (AIS) in young adults is less common in older adults, but the underlying pathogenesis and risk factors are more multi-faceted. The role of inherited thrombophilia such as 5, 10-methylenetetrahydrofolate reductase (MTHFR) gene polymorphism, (C677T and A1298C), factor V of Leiden (FVL) polymorphism, and the prothrombin G20210A mutations remains unclear. This study aims to evaluate the role of prothrombin genetic factor in AIS among young adults in Tunisia and to assess the synergistic effect between thrombogenic mutations in the pathogenesis of AIS. In this case-control study, blood samples were collected from patients and healthy controls, all matched for age and gender. The difference between them is evaluated by using the chi-square test. The odds ratio (OR) was carried out to evaluate the associations between each polymorphism and AIS risk using a binary logistic regression model. Values were considered statistically significant when p < 0.05. Patients carrying simultaneously the MTHFR polymorphisms (677T and 1298C) have a higher risk to develop AIS compared to controls. The heterozygous variants FVL increased the risk of AIS only when it is associated with MTHFR C677T or MTHFR A1298C polymorphisms. In conclusion, our study confirmed the involvement of MTHFR polymorphisms as AIS's important risk factors. The existence of FVL polymorphism or prothrombin G20210A mutation alone doesn't correlate with the occurrence of stroke. We assume that the presence of both MTHFR and FVL polymorphisms has a synergistic effect and increased the risk of the AIS.
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Affiliation(s)
- Lamia M'barek
- Laboratory of Neurogenetics, Parkinson's Disease and Cerebrovascular Disease (LR-12-SP-19), Habib Bourguiba University Hospital, University of Sfax, Sfax, Tunisia.
- Clinical Investigation Center (CIC), Habib Bourguiba University Hospital, Sfax, Tunisia.
| | - Salma Sakka
- Laboratory of Neurogenetics, Parkinson's Disease and Cerebrovascular Disease (LR-12-SP-19), Habib Bourguiba University Hospital, University of Sfax, Sfax, Tunisia
| | - Fatma Meghdiche
- Laboratory of Hematology, Habib Bourguiba University Hospital, University of Monastir, Monastir, Tunisia
| | - Dhaker Turki
- Laboratory of Neurogenetics, Parkinson's Disease and Cerebrovascular Disease (LR-12-SP-19), Habib Bourguiba University Hospital, University of Sfax, Sfax, Tunisia
| | - Khadija Maalla
- Laboratory of Neurogenetics, Parkinson's Disease and Cerebrovascular Disease (LR-12-SP-19), Habib Bourguiba University Hospital, University of Sfax, Sfax, Tunisia
| | - Mariem Dammak
- Laboratory of Neurogenetics, Parkinson's Disease and Cerebrovascular Disease (LR-12-SP-19), Habib Bourguiba University Hospital, University of Sfax, Sfax, Tunisia
| | - Choumous Kallel
- Laboratory of Hematology, Habib Bourguiba University Hospital, University of Monastir, Monastir, Tunisia
| | - Chokri Mhiri
- Laboratory of Neurogenetics, Parkinson's Disease and Cerebrovascular Disease (LR-12-SP-19), Habib Bourguiba University Hospital, University of Sfax, Sfax, Tunisia
- Clinical Investigation Center (CIC), Habib Bourguiba University Hospital, Sfax, Tunisia
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Kumar A, Sharma R, Misra S, Nath M, Kumar P. Relationship between methylenetetrahydrofolate reductase (MTHFR) gene (A1298C) polymorphism with the risk of stroke: A systematic review and meta-analysis. Neurol Res 2020; 42:913-922. [PMID: 32727306 DOI: 10.1080/01616412.2020.1798107] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Studies on relationship between methylenetetrahydrofolate reductase gene (MTHFR) gene A1298C polymorphism with the risk of ischemic as well as hemorrhagic stroke have shown discordant results. Present meta-analysis was aimed to clarify the relationship between MTHFR gene A1298C polymorphism with risk of stroke. A comprehensive literature search for all published articles was performed in electronic database including PubMed, EMbase, Cochrane Library, Trip Databases, Worldwide Science, CINAHL, and Google Scholar up to 31st December 2019. Pooled odds ratio (ORs) with 95% confidence interval (CIs) under dominant, recessive, and allelic models was calculated. Sensitivity analysis was also performed to detect the heterogeneity. In our meta-analysis, a total of 20 studies with 19 case control studies involving 2871 ischemic stroke (IS) cases and 3984 controls and 3 studies with 201 hemorrhagic stroke cases and 1349 controls were included. Our findings suggest that there was a significant relationship between MTHFR gene A1298C gene polymorphism with risk of ischemic stroke (dominant model: OR = 1.32, 95% CI = 1.06-1.66, recessive model: OR = 1.45, 95% CI = 1.06-1.99 and allelic model: OR = 1.35, 95% CI = 1.00-1.84, respectively). However, no significant relationship between MTHFR gene A1298C gene polymorphism with the risk of hemorrhagic stroke. Findings of this meta-analysis concludes that MTHFR gene A1298 C polymorphism could be capable of increasing stroke susceptibility in Asian, but not in Caucasian population. Genotyping of MTHFR gene A1298C polymorphism may be used as a predictor for the occurrence of ischemic stroke.
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Affiliation(s)
- Amit Kumar
- Department of Pediatrics, Army Hospital Research and Referral , New Delhi, India
| | - Rakhee Sharma
- Department of Pediatrics, Army Hospital Research and Referral , New Delhi, India
| | - Shubham Misra
- Department of Neurology, All India Institute of Medical Sciences , New Delhi, India
| | - Manabesh Nath
- Department of Neurology, All India Institute of Medical Sciences , New Delhi, India
| | - Pradeep Kumar
- Department of Neurology, All India Institute of Medical Sciences , New Delhi, India
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16
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Increased coagulation factor XIII activity but not genetic variants of coagulation factors is associated with myocardial infarction in young patients. J Thromb Thrombolysis 2020; 48:519-527. [PMID: 30972713 PMCID: PMC6744381 DOI: 10.1007/s11239-019-01856-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
The aim of the study was to investigate the possible role of coagulation factor XIII (FXIII) plasma activity and its gene (F13A1) Val34Leu variant as well as thrombospondin-2 gene (THBS2) T/G 3′UTR and thrombospondin-4 gene (THBS4) Ala387Pro variants in the development of myocardial infarction (MI) in young patients. The studied group consisted of 158 patients aged < 50 years with MI, and the control groups consisted of 150 healthy people aged < 50 years and 202 patients suffering from MI aged ≥ 50 years. Factor XIII activity was measured by photometric assay; genetic variants were determined using the restriction fragment length polymorphism (RFLP) method. FXIII activity was significantly higher in the young MI group compared with young healthy controls and the MI ≥ 50 group (126.2 U/dl vs. 109.6 U/dl, p < 0.0001; 126.2 U/dl vs. 119.8 U/dl, p = 0.01, respectively). FXIII activity did not correlate with F13A1 gene variants. F13A1, THBS2 and THBS4 genotypes were equally distributed in all studied groups. There was also no statistically significant differences in the prevalence of the extended CC/TT/GG haplotype of F13A1/THBS2/THBS4 variants between the young MI group and the young healthy control group and between the young MI group and the MI aged ≥ 50 group. In conclusion, our study revealed that increased FXIII activity is associated with an increased risk of MI in young patients. None of studied single genetic variants—F13A1 Val34Leu, THBS2 T/G 3′UTR and THBS4 Ala387Pro—and the extended CC/TT/GG haplotype of F13A1/THBS2/THBS4 genes was associated with MI in young age.
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Sarecka-Hujar B, Kopyta I. Risk Factors for Recurrent Arterial Ischemic Stroke in Children and Young Adults. Brain Sci 2020; 10:E24. [PMID: 31906461 PMCID: PMC7016965 DOI: 10.3390/brainsci10010024] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2019] [Revised: 12/21/2019] [Accepted: 12/30/2019] [Indexed: 12/11/2022] Open
Abstract
Arterial ischemic stroke (AIS) experienced at a young age is undoubtedly a serious medical problem. AIS very rarely occurs at a developmental age, whereas in young adults, it occurs with a higher frequency. The etiologic mechanisms of AIS occurring in childhood and adulthood differ. However, for both age populations, neurological consequences of AIS, including post-stroke seizures, motor disability, and recurrence of the disease, are connected to many years of care, rehabilitation, and treatment. Recurrent stroke was observed to increase the risk of patients' mortality. One of the confirmed risk factors for recurrent stroke in children is the presence of vasculopathies, especially Moyamoya disease and syndrome, and focal cerebral arteriopathy of childhood (FCA). FCA causes a 5-fold increase in the risk of recurrent stroke in comparison with idiopathic AIS. In turn, young adults with recurrent stroke were found to more often suffer from hypertension, diabetes mellitus, or peripheral artery disease than young patients with first-ever stroke. Some reports also indicate relationships between specific genetic polymorphisms and AIS recurrence in both age groups. The aim of the present literature review was to discuss available data regarding the risk factors for recurrent AIS in children and young adults.
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Affiliation(s)
- Beata Sarecka-Hujar
- Department of Pharmaceutical Technology, School of Pharmacy with the Division of Laboratory Medicine in Sosnowiec, Medical University of Silesia in Katowice, 41-200 Sosnowiec, Poland
| | - Ilona Kopyta
- Department of Paediatric Neurology, School of Medicine in Katowice, Medical University of Silesia in Katowice, 40-752 Katowice, Poland;
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Sarecka-Hujar B, Kopyta I, Skrzypek M. Lack of Associations Between PAI-1 and FXIII Polymorphisms and Arterial Ischemic Stroke in Children: A Systematic Review and Meta-Analysis. Clin Appl Thromb Hemost 2019; 25:1076029619869500. [PMID: 31530188 PMCID: PMC6829646 DOI: 10.1177/1076029619869500] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
The role of genetic risk factors for ischemic stroke seems to be in particular significance in pediatric patients. Numerous polymorphic variants of genes encoding proteins, that is, plasminogen activator inhibitor as well as coagulation factors, involved in the coagulation cascade may be related to arterial ischemic stroke (AIS) both in adults and children. We performed systematic review and 2 meta-analyses to assess possible correlations between common plasminogen activator inhibitor (PAI-1) and FXIII polymorphisms and ischemic stroke in children. We searched PubMed to identify available data published before October 2018 using appropriate keywords and inclusion criteria. Finally, 12 case-control studies were included: 8 analyzing PAI-1 polymorphism (600 children with stroke and 2152 controls) and 4-FXIII polymorphism (358 children with stroke and 451 controls). R and Comprehensive Meta-Analysis software were used to analyze the impact of the particular polymorphism in the following models: dominant, recessive, additive, and allelic. No publication bias was observed in both meta-analyses. In case of PAI-1 polymorphism, we observed no relation between 4G4G genotype of 4G allele and ischemic stroke in children. We also demonstrated lack of association between FXIII polymorphism and childhood ischemic stroke. In children with AIS, the PAI-1 and FXIII polymorphisms are not risk factors for the disease.
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Affiliation(s)
- Beata Sarecka-Hujar
- Department of Pharmaceutical Technology, School of Pharmacy with the Division of Laboratory Medicine in Sosnowiec, Medical University of Silesia in Katowice, Sosnowiec, Poland
| | - Ilona Kopyta
- Department of Paediatric Neurology, School of Medicine in Katowice, Medical University of Silesia in Katowice, Katowice, Poland
| | - Michał Skrzypek
- Department of Biostatistics, School of Public Health in Bytom, Medical University of Silesia in Katowice, Bytom, Poland
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Associations of β-Fibrinogen Polymorphisms with the Risk of Ischemic Stroke: A Meta-analysis. J Stroke Cerebrovasc Dis 2018; 28:243-250. [PMID: 30503677 DOI: 10.1016/j.jstrokecerebrovasdis.2018.09.007] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2018] [Revised: 08/18/2018] [Accepted: 09/02/2018] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Recently, the roles of β-fibrinogen (FGβ) polymorphisms in ischemic stroke (IS) were intensively analyzed, but the results of these studies were inconsistent. Thus, we performed this study to better assess potential relationship between FGβ polymorphisms and the risk of IS. METHODS Eligible studies were searched in PubMed, Medline, Embase, and CNKI. Odds ratios (ORs) and 95% confidence intervals (CIs) were calculated to evaluate correlations between FGβ polymorphisms and IS. RESULTS A total of 49 studies were included for analyses. Significant associations with the risk of IS were detected for FGβ -148 C/T and -455 G/A polymorphisms in overall analyses. Further subgroup analyses according to ethnicities of participants revealed that the -148 C/T polymorphism was significantly correlated with the risk of IS in both Asians and Caucasians, while the -455 G/A polymorphism was only significantly correlated with the risk of IS in Asians. When we stratified available data according to types of disease, we found that both FGβ -148 C/T and -455 G/A polymorphisms were significantly correlated with the risk of cerebral infarction. CONCLUSIONS Our findings indicated that FGβ -148 C/T and -455 G/A polymorphisms may serve as potential biological markers for IS in Asians. Moreover, the FGβ -148 C/T polymorphism may also serve as a potential biological marker for IS in Caucasians.
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Wen YH, Chen DP. Human platelet antigens in disease. Clin Chim Acta 2018; 484:87-90. [PMID: 29802830 DOI: 10.1016/j.cca.2018.05.009] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2018] [Revised: 05/05/2018] [Accepted: 05/07/2018] [Indexed: 12/16/2022]
Abstract
Platelets have various functions and participate in primary hemostasis, inflammation, and immune responses. Human platelet antigens (HPAs) are alloantigens expressed on the platelet membrane. Each HPA represent one of six platelet glycoproteins GPIIb, GPIIIa, GPIa, GPIbα, GPIbβ, and CD109, and six biallelic systems are grouped. A single nucleotide polymorphism (SNP) in the gene sequence causes a single amino acid substitution of relevant platelet glycoprotein with the exception of HPA-14bw. High-throughput next-generation sequencing-based method has been developed, which enable accurately identification of HPA polymorphisms. The roles of HPA in disease were reviewed. HPAs mediate platelet-microorganism and platelet-malignant cell interactions, and they also participate in pathogenesis of hemorrhagic fever with renal syndrome and infective endocarditis. The exploration of HPA polymorphisms in association with disease susceptibility of individuals will benefit prevention or management of disease.
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Affiliation(s)
- Ying-Hao Wen
- Department of Laboratory Medicine, Chang Gung Memorial Hospital at Linkou, Taoyuan, Taiwan; Graduate Institute of Clinical Medical Sciences, College of Medicine, Chang Gung University, Taoyuan, Taiwan
| | - Ding-Ping Chen
- Department of Laboratory Medicine, Chang Gung Memorial Hospital at Linkou, Taoyuan, Taiwan; Department of Medical Biotechnology and Laboratory Science, College of Medicine, Chang Gung University, Taiwan; Graduate Institute of Biomedical Sciences, College of Medicine, Chang Gung University, Taoyuan, Taiwan.
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Sarecka-Hujar B, Kopyta I, Skrzypek M. Is the 1298A>C polymorphism in the MTHFR gene a risk factor for arterial ischaemic stroke in children? The results of meta-analysis. Clin Exp Med 2018; 18:337-345. [PMID: 29396624 DOI: 10.1007/s10238-018-0489-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2017] [Accepted: 01/22/2018] [Indexed: 01/03/2023]
Abstract
An elevated level of homocysteine is a risk factor for vascular diseases, brain atrophy and several other disorders. The 1298A>C polymorphism (rs1801131) leads to mildly decreased MTHFR activity. Previously, it was observed that the MTHFR 1298A>C polymorphism in combined analysis with the MTHFR 677C>T polymorphism increases homocysteine levels. However, conflicting results on its relation to ischaemic stroke in children can be found. We conducted a meta-analysis to analyse possible connections between the MTHFR 1298A>C polymorphism and ischaemic stroke in paediatric patients. We identified available data published before December 2016 using appropriate keywords and searching PubMed as well as the references cited in the found articles. Eight case-control studies were included in the meta-analysis (426 children with stroke and 778 controls). Statistical analyses were made using R and Comprehensive Meta-Analysis softwares to investigate the impact of polymorphism in four models: dominant, recessive, additive and allelic. No publication bias was observed in the meta-analysis. We demonstrated no relationship between the 1298A>C polymorphism and ischaemic stroke in children in the case of recessive, additive and allelic models. However, the results of the dominant model analysis should be treated with caution due to the sensitivity analysis results. After omitting one of the included study, we observed a significant association between the carriers of the MTHFR C allele (cases with AC + CC genotypes) and ischaemic stroke in children (OR 1.35 95% CI 1.02-1.79, p = 0.035 in a fixed effects model). In conclusion, the 1298A>C polymorphism in the MTHFR gene is not a risk factor for ischaemic stroke in paediatric patients.
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Affiliation(s)
- Beata Sarecka-Hujar
- Department of Pharmaceutical Technology, School of Pharmacy with the Division of Laboratory Medicine in Sosnowiec, Medical University of Silesia in Katowice, Kasztanowa Str 3, 41-200, Sosnowiec, Poland.
| | - Ilona Kopyta
- Department of Paediatric Neurology, School of Medicine in Katowice, Medical University of Silesia in Katowice, Medykow str 16, 40-072, Katowice, Poland
| | - Michal Skrzypek
- Department of Biostatistics, School of Public Health in Bytom, Medical University of Silesia in Katowice, Piekarska str 18, 41-902, Bytom, Poland
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