Biomedical journal · 2015
Protein kinase Cη polymorphism and the susceptibility to ischemic stroke in the Taiwan population.
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Chen Yi-Chun, Huang Chi-Jui, Chen Phoebe, Wu Yih-Ru, Shie Shian-Sen, Chen Sien-Tsong, Lee-Chen Guey-Jen, Chen Chiung-Mei
Аннотация
BACKGROUND: Prior studies suggested that protein kinase Cη (PRKCH) 1425G/A polymorphism was associated with lacunar infarction. This study examined whether the association was independent of traditional risk factors in each of the stroke subtypes.
METHODS: This study included 206 ischemic stroke patients and 337 controls. Multivariable logistic regression was used for analyses. Co-variables of age, sex, hypertension, diabetes mellitus (DM), and smoking were included to delineate independency of associations.
RESULT: PRKCH 1425G/A was associated with ischemic stroke [odds ratio (OR) =1.5, 95% confidence interval (CI): 1.1-2.2, p = 0.024] when adjusted for age and sex. However, the significance of association became borderline when adjusted for co-variables (OR = 1.5, 95% CI: 1.004-2.3, p = 0.048). Of the infarction subtypes, PRKCH 1425G/A was associated with lacunar infarction (OR = 1.8, 95% CI: 1.1-2.9, p = 0.025), which remained significant when adjusted for co-variables (OR = 2.0, 95% CI: 1.1-3.5, p = 0.015). No association was found between the polymorphism and the other infarction subtypes. When stratified by age group, the magnitude of significance became stronger in patients >65 years old. Specifically, PRKCH 1425G/A was significantly associated with ischemic stroke in patients older than 65 years, when adjusted for all co-variables (OR = 2.0, 95% CI: 1.05-3.8, p = 0.036). Still, in patients older than 65 years, the association was only observed in lacunar infarction when adjusted for all co-variables (OR = 4.2, 95% CI: 1.7-10, p = 0.001). No association of PRKCH 1425G/A with stroke and any of the subtypes was identified in patients >65 years old.
CONCLUSION: The association between PRKCH 1425G/A and lacunar infarction was independent of traditional stroke risk factors. PRKCH 1425G/A in stroke susceptibility differed between infarction subtypes and age groups.
METHODS: This study included 206 ischemic stroke patients and 337 controls. Multivariable logistic regression was used for analyses. Co-variables of age, sex, hypertension, diabetes mellitus (DM), and smoking were included to delineate independency of associations.
RESULT: PRKCH 1425G/A was associated with ischemic stroke [odds ratio (OR) =1.5, 95% confidence interval (CI): 1.1-2.2, p = 0.024] when adjusted for age and sex. However, the significance of association became borderline when adjusted for co-variables (OR = 1.5, 95% CI: 1.004-2.3, p = 0.048). Of the infarction subtypes, PRKCH 1425G/A was associated with lacunar infarction (OR = 1.8, 95% CI: 1.1-2.9, p = 0.025), which remained significant when adjusted for co-variables (OR = 2.0, 95% CI: 1.1-3.5, p = 0.015). No association was found between the polymorphism and the other infarction subtypes. When stratified by age group, the magnitude of significance became stronger in patients >65 years old. Specifically, PRKCH 1425G/A was significantly associated with ischemic stroke in patients older than 65 years, when adjusted for all co-variables (OR = 2.0, 95% CI: 1.05-3.8, p = 0.036). Still, in patients older than 65 years, the association was only observed in lacunar infarction when adjusted for all co-variables (OR = 4.2, 95% CI: 1.7-10, p = 0.001). No association of PRKCH 1425G/A with stroke and any of the subtypes was identified in patients >65 years old.
CONCLUSION: The association between PRKCH 1425G/A and lacunar infarction was independent of traditional stroke risk factors. PRKCH 1425G/A in stroke susceptibility differed between infarction subtypes and age groups.