Ischemic stroke is a leading cause of death and adult disability worldwide. Recent research suggests that renalase is strongly associated with heart disease and hypertension and may play a role in ischemic stroke. In this study, we investigate the genetic association between renalase and ischemic stroke in a northern Chinese Han population. We genotyped single-nucleotide polymorphisms of the renalase gene in 507 ischemic stroke patients and 503 gender-matched controls from a northern Chinese Han population, and we classified these case samples in depth by complications with diabetes or hypertension and by ischemic stroke subtypes. We undertook allele, genotype, and haplotype association studies in all the cases and in the subgroups, as well as multiple factor analysis by logistic regression. rs10887800 and rs2576178 were significantly associated with ischemic stroke with hypertension by logistic regression (p = 0.041 and p = 0.038, respectively). The recessive model showed a strong association of rs2296545 with ischemic stroke patients in hypertension subgroups (OR = 1.927, 95 % CI = 1.012-3.669, p = 0.046). The renalase gene is closely related to ischemic stroke in this northern Chinese Han population, suggesting that renalase may be mechanistically involved in stroke pathology.
Intramural pregnancy is a rare type of ectopic pregnancy, where the gestational sac is implanted inside the myometrium instead of the endometrial and fallopian tubes. Preoperative diagnosis remains very difficult. Ultrasonic findings vary according to the anatomical location or duration of pregnancy. In this study, we summarized the ultrasonic characteristics of intramural pregnancy by assessing three cases. We also propose a set of ultrasonic characteristics to facilitate differential diagnosis between intramural pregnancy and other types of ectopic pregnancy.
Cerebral atherosclerosis vascular stenosis is a common etiology for ischemic stroke and a major factor in recurrent stroke and vascular mortality. Recent studies suggest that renalase plays a role in hypertension and ischemic stroke, and may be involved in atherosclerosis. The aim of the present study was to investigate whether there were correlations between single-nucleotide polymorphisms (SNPs) in the renalase gene and severity of intracranial cerebral atherosclerotic vascular stenosis in ischemic stroke patients as determined by imaging. A total of 212 ischemic stroke patients and 244 healthy controls from the north Chinese Han population were enrolled in this study. Polymerase chain reaction and ligase detection reaction were used for SNP analysis. We classified the case samples by severity of the intracranial cerebral atherosclerotic vascular stenosis. Allele, genotype, and haplotype were analyzed in cases and controls, and logistic regression was used to adjust for bias due to conventional stroke risk factors. The allele and the genotype of rs10887800 in the renalase gene were both associated with severe intracranial cerebral atherosclerotic vascular stenosis (p = 0.013 and p = 0.049, respectively). No association was observed with severity for SNP rs2576178 or SNP rs2296545. Our findings show that the SNP rs10887800 in the renalase gene is closely associated with severe intracranial cerebral atherosclerotic vascular stenosis in ischemic stroke patients of north Chinese Han origin.
Through review of the authors' experiences, it is possible to diagnose IFTT preoperatively by ultrasound. Sonograms of the IFTT could be divided into four types while clinical significance of this classification requires further confirmation.
There was no statistically significant association of ALOX5AP rs4073259 SNP with ischemic stroke in this northeastern Chinese Han population living in Heilongjiang province, China.
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