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Relationships between serum Klotho concentrations and cognitive performance among older chronic kidney disease patients with albuminuria in NHANES 2011-2014

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机构: [1]Capital Med Univ, Xuanwu Hosp, Dept Nephrol, Beijing, Peoples R China [2]Capital Med Univ, Xuanwu Hosp, Natl Clin Res Ctr Geriatr Dis, Beijing, Peoples R China
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关键词: albuminuria chronic kidney disease cognition impairment Klotho NHANES

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BackgroundThe potential relationship between Klotho and cognitive function is limited and controversial. This study aimed to quantify the association of Klotho and cognitive impairment in chronic kidney disease (CKD) patients with albuminuria. MethodsSerum Klotho was measured by enzyme-linked immunosorbent assay. Patients with urine albumin to creatinine ratio (UACR) > 30mg/g from the National Health and Nutrition Survey (NHANES) 2011-2014 were divided into 4 groups according to the quartile of Klotho. Cognitive function was examined using the Consortium to Establish a Registry for Alzheimer's Disease (CERAD), Digit Symbol Substitution Test (DSST), and Animal Fluency Test. The relationship between Klotho and cognitive function was analyzed by multivariable regression and subgroup analysis. ResultsAmong 368 CKD patients with albuminuria, we found that Klotho was negatively associated with creatinine, and positively associated with hemoglobin, and estimated glomerular filtration rate. No significant linear relationship was showed between Klotho (as a continuous variable) and cognitive function. When regarded Klotho as a category variable, patients in the quartile 3 group were at a better cognitive performance for CEARD-word learning subset and DSST, especially in the CKD patients with 30 mg/g < UACR <300 mg/g, but not in participants with UACR > 300 mg/g. ConclusionsThe increased Klotho was associated with an increased cognitive function in CKD patients with microalbuminuria. Further studies are needed to demonstrate whether Klotho may be a beneficial biomarker of cognitive health and neurodegeneration.

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出版当年[2022]版:
大类 | 2 区 医学
小类 | 2 区 内分泌学与代谢
最新[2023]版:
大类 | 2 区 医学
小类 | 2 区 内分泌学与代谢
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出版当年[2021]版:
Q1 ENDOCRINOLOGY & METABOLISM
最新[2023]版:
Q2 ENDOCRINOLOGY & METABOLISM

影响因子: 最新[2023版] 最新五年平均 出版当年[2021版] 出版当年五年平均 出版前一年[2020版] 出版后一年[2022版]

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第一作者机构: [1]Capital Med Univ, Xuanwu Hosp, Dept Nephrol, Beijing, Peoples R China
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通讯机构: [1]Capital Med Univ, Xuanwu Hosp, Dept Nephrol, Beijing, Peoples R China [2]Capital Med Univ, Xuanwu Hosp, Natl Clin Res Ctr Geriatr Dis, Beijing, Peoples R China
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