Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts:   Target Concepts:
Query: EC:3.4.15.1 (ACE)
 18,300 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Single-gene disorders explain only a minority of stroke cases. Stroke represents a complex trait, which is usually assumed to be polygenic. On this topic, the role of a wide number of candidate genes has been investigated in stroke through association studies, with controversial results. Therefore, it is difficult for the clinician to establish the validity and the level of clinical applicability of the previously reported associations between genetic factors and stroke. This review is an update and an extensive analysis of the more recent association studies conducted in stroke. We evaluated a number of studies on several candidate genes (including F5, F2, FGA/FGB/FGG, F7, F13A1, vWF, F12, SERPINE1, ITGB3/PLA1/PLA2/ITGA2B, ITGA2, GP1BA, ACE, AGT, NOS3, APOE, LPL, PON1, PDE4D, ALOX5AP, MTHFR, MTR, and CBS), providing a final panel of genes and molecular variants. We categorized this panel in relation to the degree of association with stroke, supported by the results of meta-analyses and case-control studies. Our findings could represent a useful tool to address further molecular investigations and to realize more detailed meta-analyses.
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PMID:Genetic polymorphisms for the study of multifactorial stroke. 1842 1

Carriage frequencies of alleles and genotypes of 10 functionally important single nucleotide polymorphisms that are located in genes FGA, FGB, APOE, LPL, ACE and CMA1 were analyzed in the ischemic stroke (IS) patients of Russian ethnic descent and in the control group of the same ethnic descent and of similar gender and age. Comparison between patients and control group revealed no significant differences in frequencies of individual alleles and genotypes for all the polymorphic loci studied. However, complex analysis of genetic predisposition using APSampler algorithm revealed carriage of allele (-491A) APOE as a predisposing factor for IS (p = 0.044, OR 3.8, 95% CI 1.0-15.1). Accordingly, carriage of genotype (-491T/T) APOE was associated with resistance to IS (p = 0.044, OR 0.26, 95% CI 0.07-1.0). The allele -249C FGB carriage addition to this genotype enhances its protective properties, p-value of the combination is 2-fold lower than that of the genotype (-491T/T) APOE (OR 0.17, 95% CI 0.04-0.8). Two more protective combinations were identified: biallelic (-427C) APOE + (1595G) LPL and triallelic (-491C) APOE + (1595G) LPL + (-1903G) CMAI (in both cases p = 0.0052, OR 0.18, 95% CI 0.05-0.66). Overall, involvement in formation of the risk of IS development in Russians was evidenced for alleles of four genes: APOE, FGB, LPL and CMA1, where APOE gene involvement was evidenced for alleles of two polymorphic loci, -491T and -427C. Linkage analysis suggested that involvement of these loci in insusceptibility to IS is mutually independent.
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PMID:[Complex analysis of genetic predisposition to ischemic stroke in Russians]. 1989 40

Venous thrombo-embolism (VTE) is multi-factorial disease involving several genetic and acquired risk factors responsible for its onset. It may occur spontaneously upon climbing at High Altitude (HA). Several studies demonstrated that hypoxic conditions prevailing at HA pose an independent risk factor for VTE; however, molecular mechanism remains unknown. Present study aims to identify genes associated with HA-induced VTE pathophysiology using real time TaqMan Low-Density Array (TLDA) of known candidate genes. Gene expression of total 93 genes were studied and analyzed in patients of VTE from HA (HA-VTE) and from sea level (SL-VTE) in comparison to respective controls. Both HA-VTE and SL-VTE patients showed up-regulation of 37 genes involved in blood coagulation cascade, clot formation, platelet formation, endothelial response, angiogenesis, cell adhesion and calcium channel activity. Seven genes including ACE, EREG, C8A, DLG2, USF1, F2 and PCDHA7 were up-regulated in both HA-controls and VTE patients (both HA-VTE and SL-VTE) indicating their role during VTE event and also upon HA exposure. Ten genes; CDH18, FGA, EDNBR, GATA2, MAPK9, BCAR1, FRK, F11, PCDHA1 and ST8SIA4 were uniquely up-regulated in HA-VTE. The differentially expressed genes from the present study could be determining factors for HA-VTE susceptibility and provide insights into VTE occurrence at HA.
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PMID:Targeted gene expression study using TaqMan low density array to gain insights into venous thrombo-embolism (VTE) pathogenesis at high altitude. 3217 43