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Choi GH, Cho SH, An HJ, Park HS, Lee JY, Ko EJ, Oh SH, Kim OJ, Kim NK. Association between PAI-1 Polymorphisms and Ischemic Stroke in a South Korean Case-Control Cohort. Int J Mol Sci 2023; 24:8041. [PMID: 37175749 PMCID: PMC10178745 DOI: 10.3390/ijms24098041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2023] [Revised: 04/24/2023] [Accepted: 04/26/2023] [Indexed: 05/15/2023] Open
Abstract
Stroke is the second leading cause of death in the world. Approximately 80% of strokes are ischemic in origin. Many risk factors have been linked to stroke, including an increased level of plasminogen activator inhibitor-1 (PAI-1). PAI-1 levels increase and remain elevated in blood during the acute phase of ischemic stroke, which can impair fibrinolytic activity, leading to coronary artery disease and arterial thrombotic disorders. Here, we present a case-control study of 574 stroke patients and 425 controls seen for routine health examination or treatment for nonspecific dizziness, nonorganic headache, or anxiety for positive family history of stroke at the Bundang Medical Center in South Korea. Polymorphisms in PAI-1 were identified by polymerase chain reaction/restriction fragment length polymorphism analysis using genomic DNA. Specifically, three variations (-675 4G>5G, 10692T>C, and 12068G>A) were linked to a higher overall prevalence of stroke as well as a higher prevalence of certain stroke subtypes. Haplotype analyses also revealed combinations of these variations (-844G>A, -675 4G>5G, 43G>A, 9785A>G, 10692T>C, 11053T>G, and 12068G>A) that were significantly associated with a higher prevalence of ischemic stroke. To the best of our knowledge, this is the first strong evidence that polymorphic sites in PAI-1 promoter and 3'-UTR regions are associated with higher ischemic stroke risk. Furthermore, the PAI-1 genotypes and haplotypes identified here have potential as clinical biomarkers of ischemic stroke and could improve the prognosis and future management of stroke patients.
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Affiliation(s)
- Gun Ho Choi
- Department of Biomedical Science, College of Life Science, CHA University, Seongnam 13488, Republic of Korea
| | - Sung Hwan Cho
- Department of Biomedical Science, College of Life Science, CHA University, Seongnam 13488, Republic of Korea
- College of Medicine, Konyang University, 158 Gwanjeodong-ro, Seo-gu, Daejeon 35365, Republic of Korea
| | - Hui Jeong An
- Department of Biomedical Science, College of Life Science, CHA University, Seongnam 13488, Republic of Korea
- College of Life Science, Gangneung-Wonju National University, 7 Jukheon-gil, Gangneung 25457, Republic of Korea
| | - Han Sung Park
- Department of Biomedical Science, College of Life Science, CHA University, Seongnam 13488, Republic of Korea
| | - Jeong Yong Lee
- Department of Biomedical Science, College of Life Science, CHA University, Seongnam 13488, Republic of Korea
| | - Eun Ju Ko
- Department of Biomedical Science, College of Life Science, CHA University, Seongnam 13488, Republic of Korea
| | - Seung Hun Oh
- Department of Neurology, CHA Bundang Medical Center, School of Medicine, CHA University, Seongnam 13496, Republic of Korea
| | - Ok Joon Kim
- Department of Neurology, CHA Bundang Medical Center, School of Medicine, CHA University, Seongnam 13496, Republic of Korea
| | - Nam Keun Kim
- Department of Biomedical Science, College of Life Science, CHA University, Seongnam 13488, Republic of Korea
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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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Association between the -844 G>A, HindIII C>G, and 4G/5G PAI-1 Polymorphisms and Susceptibility to Multiple Sclerosis in Western Mexican Population. DISEASE MARKERS 2019; 2019:9626289. [PMID: 31687051 PMCID: PMC6800907 DOI: 10.1155/2019/9626289] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 07/04/2019] [Accepted: 09/07/2019] [Indexed: 11/25/2022]
Abstract
Introduction Multiple sclerosis is an inflammatory disease, where fibrin deposition and the impairment in its degradation have been shown to play an important role in the demyelination process. Tissue plasminogen activator (tPA) is a serine protease that enhances the conversion of plasminogen into its active form plasmin, the principal tPA inhibitor is the PAI-1. Several PAI-1 polymorphisms impact its gene expression and protein activity. Furthermore, the aim of this study was to investigate the association between the - 844 G>A, HindIII C>G, and 4G/5G PAI-1 polymorphisms and susceptibility to MS. Material and Methods The study group included 400 Mexican mestizo subjects: 200 unrelated patients and 200 unrelated individuals identified as control subjects. The analysis of PAI-1 polymorphisms was performed by polymerase chain reaction-restriction fragment length polymorphism. Results A significant association was found between the CG genotype of the HindIII C>G PAI-1 polymorphism and susceptibility to MS (OR = 1.58, p = 0.03); moreover, the frequency of 5G allele and 5G/5G genotype of the 4G/5G PAI-1 polymorphism was statistically significant (OR = 1.36 and p = 0.04 and OR = 2.43 and p = 0.02, respectively). With respect to the relation between the scores of progression (EDSS) and severity (MSSS), no association was found between EDSS and genotypes of the PAI-1 polymorphisms analyzed. Regarding MSSS, male that carries genotype GA of the -844 G>A and genotype 4G/5G of the 4G/5G PAI-1 polymorphisms showed a significant association with an increase of media of MSSS in comparison with females (p = 0.01 in both cases).
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Herm J, Hoppe B, Kasabov R, Malzahn U, Endres M, Koscielny J, Jungehulsing GJ, Haeusler KG. Thrombophilia screening in young patients with cryptogenic stroke. Hamostaseologie 2017; 32:147-52. [DOI: 10.5482/ha-1175] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2011] [Accepted: 12/02/2011] [Indexed: 11/05/2022] Open
Abstract
SummaryThe clinical relevance of thrombophilia screening in stroke patients is still a matter of debate, and descriptions of larger patterns of genetic variability are rare. We assessed the frequency of hereditary hypercoagulability in young patients with cryptogenic stroke (n = 44) and in healthy blood donors (n = 282) without prior cardiovascular event. Furthermore, we focused on the impact of thrombophilia screening on secondary stroke prevention. Results: Compared to the control group (19–67 years; median 38.5 years; 64% women), there was a lower prevalence of the FVII-R353Q mutation (p = 0.033) in stroke patients (17–52 years; median 36 years; 59.1% women). Of note, the FVII-R353Q mutation lowers FVII plasma levels, probably reducing the risk of cardiovascular events. The prevalence of the remaining 13 gene polymorphisms did not differ significantly. However, the prevalence of FV Leiden mutation tended to be higher among stroke patients. Conclusion: Overall, extended screening for inherited thrombophilia had an impact on medical stroke prevention in every sixth patient with cryptogenic stroke.
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Hu X, Zan X, Xie Z, Li Y, Lin S, Li H, You C. Association Between Plasminogen Activator Inhibitor-1 Genetic Polymorphisms and Stroke Susceptibility. Mol Neurobiol 2016; 54:328-341. [PMID: 26742513 DOI: 10.1007/s12035-015-9549-8] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2015] [Accepted: 11/17/2015] [Indexed: 02/05/2023]
Abstract
The plasminogen activator inhibitor-1 (PAI-1) is a candidate gene for stroke based on PAI-1's crucial role in fibrinolytic system. However, association studies have yielded conflicting results regarding the association between PAI-1 polymorphisms and stroke susceptibility. To further elucidate the putative association, we performed a systematic review and meta-analysis to provide a complete picture of the loci investigated for association of PAI-1 polymorphism with stroke risk and to derive a precise estimation. PubMed, Embase, and China National Knowledge Infrastructure (CNKI) databases were searched until June 2015 to identify eligible studies. Forty data sets from 39 studies with a total of 8336 cases and 14,403 controls were included. The most commonly investigated polymorphism was -675 4G/5G, followed by -844 G/A, 11053 T>G, HindIII C/G, and (CA)n. Overall, our meta-analysis provided evidence for the significant association of PAI-1 4G/5G polymorphism with an increased risk of adult but not pediatric ischemic stroke (adult: 4G/4G vs. 4G/5G + 5G/5G, OR = 1.21, 95 % CI = 1.04-1.42). In the subgroup analysis, significant association was detected in Asians (4G/4G vs. 4G/5G + 5G/5G, OR = 1.45, 95 % CI = 1.14-1.85) but not Caucasians. Moreover, we found that -844 G/A but not 11053 T>G polymorphism was associated with an increased risk of ischemic stroke (-844G/A: A/A vs. G/G: OR = 1.32, 95 % CI = 1.01-1.73). A tendency of PAI-1 4G/5G polymorphism towards a decreased risk of hemorrhagic stroke was observed (4G/4G + 4G/5G vs. 5G/5G, OR = 0.77, 95 % CI = 0.59-1.02, P = 0.066). Future well-designed studies in large well-characterized sample size and presenting results stratified by gender, age, and stroke subtype are warranted.
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Affiliation(s)
- Xin Hu
- Department of Neurosurgery, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, China
| | - Xin Zan
- Department of Neurosurgery, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, China
| | - Zhiyi Xie
- Department of Neurosurgery, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, China
| | - Yunke Li
- West China Medical School, Sichuan University, Chengdu, Sichuan, 610041, China
| | - Sen Lin
- Department of Neurosurgery, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, China
| | - Hao Li
- Department of Neurosurgery, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, China
| | - Chao You
- Department of Neurosurgery, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, China.
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Gene polymorphism of rs556621 but Not rs11984041 is associated with the risk of large artery atherosclerotic stroke in a Xinjiang Uyghur population. J Stroke Cerebrovasc Dis 2014; 23:2641-2645. [PMID: 25307434 DOI: 10.1016/j.jstrokecerebrovasdis.2014.06.015] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2014] [Revised: 05/15/2014] [Accepted: 06/10/2014] [Indexed: 01/12/2023] Open
Abstract
BACKGROUND Stroke is one of the main causes of death and adult chronic disability. Recently, 2 independent genome-wide association studies reported that the genetic variants (rs556621 and rs11984041) are significantly associated with large artery atherosclerosis (LAA). METHODS To determine whether these 2 variants are associated with the pathogenesis of LAA in stroke patients from the Xinjiang Uyghur autonomous region of China, both variants were evaluated in a series of 733 LAA stroke patients (434 Han and 299 Uyghur) and 725 age-, gender-, smoking-, alcohol habits- and ethnicity-matched controls (401 Han and 324 Uyghur). RESULTS For rs556621, significant differences in genotypic and allelic distributions were observed between Uyghur patients and controls (P = .045 for genotypic distribution, P = .042 for allelic distribution) but not in the Chinese Han cohort (P > .05). No significant differences were found in genotypic and allele distributions between patients and controls for rs11984041 in either the Chinese Han or Uyghur cohort (P > .05). CONCLUSIONS The variant rs556621 but not rs11984041 may increase susceptibility of LAA stroke in the Xinjiang Uyghur population.
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Natesirinilkul R, Sasanakul W, Chuansumrit A, Kadegasem P, Visudtibhan A, Wongwerawattanakoon P, Sirachainan N. Global fibrinolytic activity, PAI-1 level, and 4G/5G polymorphism in Thai children with arterial ischemic stroke. J Stroke Cerebrovasc Dis 2014; 23:2566-2572. [PMID: 25284719 DOI: 10.1016/j.jstrokecerebrovasdis.2014.05.025] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2014] [Revised: 05/06/2014] [Accepted: 05/29/2014] [Indexed: 12/28/2022] Open
Abstract
BACKGROUND Prolonged euglobulin clot lysis time (ECLT) and increased level of plasminogen activator inhibitor-1 (PAI-1) were reported to be risk factors of arterial ischemic stroke (AIS) by some studies; however, these findings were not supported by other studies. The objective of this study was to determine the association of ECLT, PAI-1 level, and polymorphisms of 4G and 5G of PAI-1 gene to the development of AIS in Thai children. METHODS This study included patients aged 1-18 years old. Diagnosis of AIS was confirmed by imaging study. The control group was age- and sex-matched healthy subjects. Demographic data were recorded, and blood was tested for ECLT, PAI-1 level, lipid profiles, fasting blood sugar (FBS), and 4G and 5G polymorphisms of PAI-1 gene. RESULTS There were 70 subjects participating in this study, consisting of 30 patients and 40 controls. Demographic data, lipid profiles, and FBS were similar between the 2 groups. Furthermore, ECLT and PAI-1 level did not differ between patient and control groups; however, both showed significant correlation (r = .352, P = .006). The 4G/5G polymorphism was the most common genotype in both patient and control groups (69.0% vs. 80.0%). However, 4G and 5G polymorphisms of PAI-1 gene did not correlate with PAI-1 level in this study (P = .797). CONCLUSIONS The PAI-1 level and 4G/5G polymorphism may not be a risk factor of AIS in this population. It was also found that the 4G/5G polymorphism was the most common PAI-1 genotype in this study.
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Affiliation(s)
- Rungrote Natesirinilkul
- Department of Pediatrics, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
| | - Werasak Sasanakul
- Department of Pediatrics, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
| | - Ampaiwan Chuansumrit
- Department of Pediatrics, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
| | - Praguywan Kadegasem
- Department of Pediatrics, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
| | - Anannit Visudtibhan
- Department of Pediatrics, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
| | | | - Nongnuch Sirachainan
- Department of Pediatrics, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Thailand.
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Huang X, Li Y, Huang Z, Wang C, Xu Z. Pai-1 gene variants and COC use are associated with stroke risk: a case-control study in the Han Chinese women. J Mol Neurosci 2014; 54:803-10. [PMID: 25231632 DOI: 10.1007/s12031-014-0418-0] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2014] [Accepted: 08/28/2014] [Indexed: 11/26/2022]
Abstract
Genetic variants of plasminogen activator inhibitor type 1 (PAI-1) gene have been suggested to influence the PAI-1 transcription activity and PAI-1 levels as well as might be involved in the pathophysiology of stroke. The aims of this study are to investigate whether the polymorphisms at the PAI-1 gene are associated with the risk of stroke and to explore the combined effects of PAI-1 variants and combined oral contraceptive (COC) use for stroke risk. We conducted a nested case-control study using 453 first-ever female stroke cases and 919 age- and region-matched controls that were recruited from our prospective surveillance cohort. SNP rs1799889 was genotyped by allele-specific polymerase chain reaction (PCR), and SNPs rs7242 and rs2227631 were detected by the TaqMan SNP genotyping assay. We identified that rs1799889 5G allele conferred a protective effect against ischemic stroke while 4G allele conferred an increased risk of ischemic stroke. But we failed to suggest associations of rs7242 and rs2227631. COC users had a 1.31-fold (OR=1.31, 95% CI=1.01-1.71) increased risk of stroke compared with the non-users. Furthermore, COC users with rs1799889 4G5G/5G5G genotype had a decreased risk of ischemic stroke (OR=0.53, 95% CI=0.34-0.83). Moreover, haplotype G-5G-T was associated with an increased risk of overall stroke (OR=1.28, 95% CI=1.01-1.62). In contrast, haplotype A-4G-G and haplotype G-5G-T were slightly associated with the protection from ischemic stroke (OR=0.61, 95% CI=0.46-0.82; OR=0.61, 95% CI=0.44-0.85, respectively). The study assessed the associations of three PAI-1 SNPs and also suggested combined effects of these PAI-1 gene variants and COC use on stroke risk in the Han Chinese women.
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Affiliation(s)
- Xiaoping Huang
- Department of Epidemiology & Biostatistics, School of Public Health, Nanjing Medical University, 818 East Tianyuan Road, Jiangning District, Nanjing, 211166, Jiangsu, China
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The study of t-PA, u-PA and PAI-1 genes polymorphisms in patients with abdominal aortic aneurysm. Mol Biol Rep 2014; 41:2859-64. [PMID: 24452721 PMCID: PMC4013441 DOI: 10.1007/s11033-014-3141-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2013] [Accepted: 01/11/2014] [Indexed: 01/25/2023]
Abstract
The most important feature of abdominal aortic aneurysm (AAA) pathogenesis is an enzymatic degradation of elastic lamellae and extracellular matrix proteins particularly with participation of matrix metalloproteinases. Plasmin, which is responsible for the dissolution of fibrin in blood vessels, plays also a key role in the cascade for activation of the metalloproteinases. The purpose of this study was to evaluate the influence of selected polymorphisms in genes coding for tissue plasminogen activator (−7351 C/T polymorphism), urokinase-type plasminogen activator (1788 C/T polymorphism) and plasminogen activator inhibitor 1 (−675 4G/5G and −844 G/A polymorphism) on the susceptibility to AAA. We performed a case–control study of 153 polish patients hospitalized due to AAA and compared them with matched healthy control subjects. The polymorphisms were ascertained through genotyping by polymerase chain reaction and restriction digestion of amplified fragments or through high-resolution melting analysis. In this study we have found lower frequency of wild-type GG genotype of the −844G/A PAI-1 polymorphism in cases than in controls, what may suggest the protective effect of this genotype for the risk of AAA development. None of the remaining polymorphisms tested were associated with AAA occurrence.
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Shanmugam V, Wafi A, Al-Taweel N, Büsselberg D. Disruption of circadian rhythm increases the risk of cancer, metabolic syndrome and cardiovascular disease. ACTA ACUST UNITED AC 2013. [DOI: 10.5339/jlghs.2013.3] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Abstract
Incidents of non-communicable diseases (NCD) like cardiovascular diseases, cancer, diabetes,
and chronic respiratory disease have increased dramatically and are currently the leading causes
of death worldwide. Their rising incidents coincide with the dramatic changes in industrialization
and development of societies over the past few hundred years. Therefore, current lifestyle
practices should be further explored to uncover novel risk factors for certain cancers (i.e. colon,
prostate, and breast cancer), metabolic syndrome (i.e. diabetes and obesity), and cardiovascular
disease (i.e. coronary artery disease). This review discusses how a disruption of the “biological
clock” or circadian rhythms could be involved in the development of these diseases as circadian
rhythms control multiple physiological processes such as wake/sleep cycles, hormonal levels,
body temperature, metabolism, and immune system.
Several environmental factors that disrupt circadian rhythms can be identified including
exposure to artificial light and electromagnetic (EM) waves, unbalanced diet and night shift work.
The mechanisms of how these “chronodisruptors” are associated with NCDs will be discussed.
Furthermore, the involvement of genetic factors in the disturbance of circadian rhythms and
predisposition to NCDs will be highlighted.
Overall there is strong evidence from animal models and epidemiological studies underlining
that circadian disruption is a significant player in several diseases particularly the multifactorial
diseases that pose a significant public health challenge in contemporary society. A circadian
disruption-based model of cancer, metabolic syndrome and cardiovascular disease etiology can
be proposed. But, to fully understand the complex interactions of the different components in the
network of disease development due to disruption of circadian rhythms, more investigations are
needed to unravel the causal relationship between modern lifestyle, circadian rhythm disruption
and complex disease. This summary will help to better understand the mechanisms and aid the
development of new methods and policies to lower incidence/death rates.
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Affiliation(s)
- Vignesh Shanmugam
- Weill Cornell Medical College in Qatar, Qatar Foundation – Education City, P.O. Box 24144, Doha, Qatar
| | - Amro Wafi
- Weill Cornell Medical College in Qatar, Qatar Foundation – Education City, P.O. Box 24144, Doha, Qatar
| | - Nawaf Al-Taweel
- Weill Cornell Medical College in Qatar, Qatar Foundation – Education City, P.O. Box 24144, Doha, Qatar
| | - Dietrich Büsselberg
- Weill Cornell Medical College in Qatar, Qatar Foundation – Education City, P.O. Box 24144, Doha, Qatar
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Sotos-Prieto M, Guillén M, Portolés O, Sorlí JV, González JI, Asensio EM, Corella D. Association between the rs6950982 polymorphism near the SERPINE1 gene and blood pressure and lipid parameters in a high-cardiovascular-risk population: interaction with Mediterranean diet. GENES AND NUTRITION 2012; 8:401-9. [PMID: 23225235 DOI: 10.1007/s12263-012-0327-1] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/25/2012] [Accepted: 11/23/2012] [Indexed: 02/02/2023]
Abstract
The SERPINE1 (serpin peptidase inhibitor, clade E, member 1) gene, better known by its previous symbol PAI-1 (plasminogen activator inhibitor 1), has been associated with cardiovascular phenotypes with differing results. Our aim was to examine the association between the rs6950982 (G > A) near the SERPINE1 gene, blood pressure (BP) and plasma lipid concentrations as well as the modulation of the polymorphism effects by adherence to Mediterranean diet (AMD). We studied 945 high-cardiovascular-risk subjects. Biochemical, clinical, dietary and genetic data (rs6950982) were obtained. We also determined the common rs1799768 (4G/5G), for checking independent effects. AMD was measured by a validated questionnaire, and four groups were considered. rs6950982 (A > G) and rs1799768 (4G/5G) were only in moderate-low linkage disequilibrium (D' = 0.719; r (2) = 0.167). The most significant associations we obtained were with rs6950982 (A > G). In males, the G allele was nominally associated with higher diastolic BP (AA: 81.5 ± 10.9, AG: 82.1 ± 11.4, GG: 85.7 ± 10.5 mmHg; P additive = 0.030) and systolic BP (AA + AG: 141.4 ± 6.9 mmHg vs. GG: 149.8 ± 8.0 mmHg; P recessive = 0.036). In the whole population, the rs6950982 was also associated with plasma lipids. Subject with the G allele presented higher total cholesterol (P additive = 0.016, P recessive = 0.011), low-density lipoprotein cholesterol (P additive = 0.032, P recessive = 0.031) and triglycerides (P additive = 0.040, P recessive = 0.029). AMD modulated the effect of rs6950982 on triglyceride concentrations (P for interaction = 0.036). Greater AMD reduced the higher triglyceride concentrations in GG subjects. No significant interactions were found for the other parameters. The rs6950982 was associated with higher BP in men and higher triglycerides in the whole population, this association being modulated by AMD.
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Affiliation(s)
- Mercedes Sotos-Prieto
- Genetic and Molecular Epidemiology Unit, Department of Preventive Medicine and Public Health, School of Medicine, University of Valencia, Blasco Ibañez, 15, 46010, Valencia, Spain
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Rego Sousa P, Vasconcellos R. Paediatric acute basilar thrombosis successfully treated with intravenous alteplase. BMJ Case Rep 2012; 2012:bcr.10.2011.4973. [PMID: 22605850 DOI: 10.1136/bcr.10.2011.4973] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
Acute ischaemic stroke has significant attendant morbidity and is one of the top ten causes of childhood death. It requires prompt investigation and management, however little is known about the safety and efficacy of acute thrombolytic therapies in childhood arterial ischaemic stroke. The authors report a case of a 13-year-old girl with an acute basilar thrombosis, successfully treated with intravenous recombinant tissue plasminogen activator and discuss the management of paediatric arterial ischaemic stroke.
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Affiliation(s)
- Paulo Rego Sousa
- Paediatric Neurology Unit, Paediatrics Department, Hospital Central do Funchal, Funchal, Portugal.
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De la Cruz-Mosso U, Muñoz-Valle JF, Salgado-Goytia L, García-Carreón A, Illades-Aguiar B, Castañeda-Saucedo E, Parra-Rojas I. Relationship of metabolic syndrome and its components with -844 G/A and HindIII C/G PAI-1 gene polymorphisms in Mexican children. BMC Pediatr 2012; 12:41. [PMID: 22459021 PMCID: PMC3359181 DOI: 10.1186/1471-2431-12-41] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/22/2011] [Accepted: 03/29/2012] [Indexed: 11/17/2022] Open
Abstract
Background Several association studies have shown that -844 G/A and HindIII C/G PAI-1 polymorphisms are related with increase of PAI-1 levels, obesity, insulin resistance, glucose intolerance, hypertension and dyslipidemia, which are components of metabolic syndrome. The aim of this study was to analyze the allele and genotype frequencies of these polymorphisms in PAI-1 gene and its association with metabolic syndrome and its components in a sample of Mexican mestizo children. Methods This study included 100 children with an age range between 6-11 years divided in two groups: a) 48 children diagnosed with metabolic syndrome and b) 52 children metabolically healthy without any clinical and biochemical alteration. Metabolic syndrome was defined as the presence of three or more of the following criteria: fasting glucose levels ≥ 100 mg/dL, triglycerides ≥ 150 mg/dL, HDL-cholesterol < 40 mg/dL, obesity BMI ≥ 95th percentile, systolic blood pressure (SBP) and diastolic blood pressure (DBP) ≥ 95th percentile and insulin resistance HOMA-IR ≥ 2.4. The -844 G/A and HindIII C/G PAI-1 polymorphisms were analyzed by PCR-RFLP. Results For the -844 G/A polymorphism, the G/A genotype (OR = 2.79; 95% CI, 1.11-7.08; p = 0.015) and the A allele (OR = 2.2; 95% CI, 1.10-4.43; p = 0.015) were associated with metabolic syndrome. The -844 G/A and A/A genotypes were associated with increase in plasma triglycerides levels (OR = 2.6; 95% CI, 1.16 to 6.04; p = 0.02), decrease in plasma HDL-cholesterol levels (OR = 2.4; 95% CI, 1.06 to 5.42; p = 0.03) and obesity (OR = 2.6; 95% CI, 1.17-5.92; p = 0.01). The C/G and G/G genotypes of the HindIII C/G polymorphism contributed to a significant increase in plasma total cholesterol levels (179 vs. 165 mg/dL; p = 0.02) in comparison with C/C genotype. Conclusions The -844 G/A PAI-1 polymorphism is related with the risk of developing metabolic syndrome, obesity and atherogenic dyslipidemia, and the HindIII C/G PAI-1 polymorphism was associated with the increase of total cholesterol levels in Mexican children.
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Affiliation(s)
- Ulises De la Cruz-Mosso
- Unidad Académica de Ciencias Químico Biológicas, Universidad Autónoma de Guerrero, Avenida Lázaro Cárdenas S/N, Ciudad Universitaria, Chilpancingo, Guerrero CP 39090, Mexico
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They-They TP, Nadifi S, Rafai MA, Battas O, Slassi I. Methylenehydrofolate reductase (C677T) polymorphism and large artery ischemic stroke subtypes. Acta Neurol Scand 2011; 123:105-10. [PMID: 20637011 DOI: 10.1111/j.1600-0404.2010.01348.x] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
BACKGROUND The role for the methylenetetrahydrofolate reductase C677T gene variants in the risk of ischemic stroke is controversial. METHOD This first case-control study including 91 cases affected by ischemic stroke and 182 controls matched for age, sex, and same area was conducted in Casablanca, Morocco. Allele and genotype frequency were characterized by using PCR followed by HinfI enzymatic digestion. RESULTS We found no statistic association of T allele carriers genetic factors with stroke; odds ratio, 1.1; 95% confidence interval (CI), 0.59-2.04, P = 0.303. The results shown significant association of T allele carriers genetic factors with atherothrombotic subtype stroke (n = 42); odds ratio, 2.1; 95% CI: 1.17-3.8; P = 0.012, and adjusted odds ratio of 6.5; 95% CI: 1.86-23.1, P = 0.003, for TT genotype variant compared with CC wild genotype. CONCLUSION We suggested that MTHFR C677T variant may be a determinant of atherothrombotic event of ischemic stroke in Morocco.
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Affiliation(s)
- T P They-They
- Hassan II University, Ibn Rochd Hospital, District Hospitals, Casablanca, Morocco.
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López-Cuenca A, Marín F, Roldán V, González-Conejero R, Hernández-Romero D, Valdés M, Lip GYH. Genetic polymorphisms and atrial fibrillation: Insights into the prothrombotic state and thromboembolic risk. Ann Med 2010; 42:562-75. [PMID: 20681943 DOI: 10.3109/07853890.2010.507601] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/30/2023] Open
Abstract
The pathophysiology of thromboembolism in atrial fibrillation (AF) is a multifactorial and complex process. Abnormalities of haemostasis, fibrinolysis, endothelium, and platelets have all been described in AF. This prothrombotic state observed in AF appears to be additive to the presence of clinical and echocardiography risk factors for thromboembolism. Nonetheless, the precise mechanistic pathway(s) leading to the prothrombotic state in AF remain to be elucidated. Of note, there are limited data on the influence of genetic polymorphisms in thromboembolic risk associated with AF. On the other hand, the response to coumarin derivatives depends on several factors, such as sex, age, diet, or interacting drugs. Optimal anticoagulation control is usually hampered by significant interindividual variability in dose requirements for a given target level of anticoagulation. There is increasing evidence that interindividual sensitivity and side-effects to coumarinics may be largely determined genetically. Thus, genetic polymorphisms could explain the individual risk of developing an adverse drug reaction (bleeding) or drug inefficacy (thrombosis) with oral anticoagulation. In this article, we provide an overview of the limited data about the possible influence of genetic polymorphisms on thromboembolic risk in AF, as well as the genetic influences on anticoagulant drug responsiveness.
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Affiliation(s)
- Angel López-Cuenca
- Department of Cardiology, Hospital Universitario Virgen Arrixaca, Murcia, Spain
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Plasminogen activator inhibitor-1 polymorphisms (-844 G>A and HindIII C>G) in systemic lupus erythematosus: association with clinical variables. Clin Exp Med 2010; 11:11-7. [PMID: 20567875 DOI: 10.1007/s10238-010-0099-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2009] [Accepted: 04/21/2010] [Indexed: 10/19/2022]
Abstract
Systemic lupus erythematosus (SLE) is a systemic autoimmune disease characterized by the presence of autoantibodies against nuclear autoantigens as well as cytoplasmic and circulating proteins. Recent studies have demonstrated mechanisms responsible for modulation of the immune response by the plasminogen activator inhibitor-1 (PAI-1). Furthermore, the endogenous PAI-1 has shown to promote a Th2 immune response. We assessed the -844 G>A and HindIII C>G PAI-1 polymorphisms in SLE. In a case-control study of 71 SLE patients classified according to ACR criteria and 71 healthy subjects (HS). The A allele of -844 PAI-1 polymorphism showed a significant difference in SLE patients (41%) when compared with HS (27%) [P = 0.01; OR = 1.8, 95%, CI = 1.1-3.0]. In addition, the -844 G>A PAI-1 polymorphism was associated with increased risk for SLE in a dominant genetic model (G/G vs. G/A + A/A; OR = 2.3, 95% CI = 1.14-4.44). Also, anti-RNP positive antibodies in SLE were associated with G/G -844 PAI-1 genotype. The HindIII polymorphism did not show any differences. The haplotype analysis showed that the AC haplotype confers susceptibility to SLE (OR = 3.1, 95% CI, 1.45-6.52; P = 0.003). The AC haplotype of the -844 and HindIII PAI-1 polymorphism might be an additional susceptibility factor to SLE in Mexicans.
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Abstract
Remarkable progress has occurred over the last two decades in stroke interventions. Many have been developed on the basis of their efficacy in other disorders. This "inheritance" approach should continue, but two areas where completely novel therapeutic targets might emerge are the stimulation of neuroplasticity and unraveling the genetic code of stroke heterogeneity (Table 2). For the former, the next steps are to identify small-molecule, nontoxic compounds that most effectively enhance plasticity in animal models, and then subject them to clinical trial in humans. For the latter, more and larger-scale cooperative GWASs in carefully phenotyped stroke populations are required to better understand the polygenic nature of cerebrovascular disease. Then, the physiological relevance of genetic abnormalities can be determined in in vitro and in vivo systems before candidate compounds are developed.
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