Alzheimer’s disease(AD)is the most common form of dementia,affecting over 50 million people worldwide.This figure is projected to nearly double every 20 years,reaching 82 million by 2030 and 152 million by 2050(Alzhe...Alzheimer’s disease(AD)is the most common form of dementia,affecting over 50 million people worldwide.This figure is projected to nearly double every 20 years,reaching 82 million by 2030 and 152 million by 2050(Alzheimer’s Disease International).The apolipoproteinε4(APOE4)allele is the strongest genetic risk factor for late-onset AD(after age 65 years).Apolipoprotein E,a lipid transporter,exists in three variants:ε2,ε3,andε4.APOEε2(APOE2)is protective against AD,APOEε3(APOE3)is neutral,while APOE4 significantly increases the risk.Individuals with one copy of APOE4 have a 4-fold greater risk of developing AD,and those with two copies face an 8-fold risk compared to non-carriers.Even in cognitively normal individuals,APOE4 carriers exhibit brain metabolic and vascular deficits decades before amyloid-beta(Aβ)plaques and neurofibrillary tau tangles emerge-the hallmark pathologies of AD(Reiman et al.,2001,2005;Thambisetty et al.,2010).Notably,studies have demonstrated reduced glucose uptake,or hypometabolism,in brain regions vulnerable to AD in asymptomatic middle-aged APOE4 carriers,long before clinical symptoms arise(Reiman et al.,2001,2005).展开更多
目的探讨肠道屏障功能、IL-6、血沉(erythrocyte sedimentation rate,ESR)指标在克罗恩病合并贫血患者中的变化及应用价值。方法选取2022年6月至2023年4月至南京市第二医院就诊的克罗恩病患者155例。根据血红蛋白检测结果将患者分为贫血...目的探讨肠道屏障功能、IL-6、血沉(erythrocyte sedimentation rate,ESR)指标在克罗恩病合并贫血患者中的变化及应用价值。方法选取2022年6月至2023年4月至南京市第二医院就诊的克罗恩病患者155例。根据血红蛋白检测结果将患者分为贫血组(55例)及非贫血组(100例),对两组间DAO、D-LA、BT、IL-6及ESR水平进行比较,并进行相关统计学分析。结果与非贫血组相比,贫血组患者D-LA水平明显降低,IL-6及ESR水平显著升高,差异有统计学意义(P<0.05),两组间DAO、BT水平差异无统计学意义(P>0.05);在贫血组中,血清D-LA水平与BT水平呈正相关、与IL-6呈负相关;二元Logistic回归分析结果显示,ESR水平是克罗恩病患者贫血的独立影响因素(OR=1.963,P<0.05);D-LA、IL-6及ESR判断克罗恩病合并贫血的ROC曲线下面积(area under the curve,AUC)分别为0.322、0.714、0.737(P均<0.05),DAO及BT的AUC差异无统计学意义。结论克罗恩病合并贫血患者肠道屏障功能、IL-6及ESR水平发生明显变化,做好其分析对克罗恩病患者的贫血发生机制研究以及临床诊疗具有积极意义。展开更多
基金supported by National Institute on Aging(NIH-NIA)R01AG054459(to ALL).
文摘Alzheimer’s disease(AD)is the most common form of dementia,affecting over 50 million people worldwide.This figure is projected to nearly double every 20 years,reaching 82 million by 2030 and 152 million by 2050(Alzheimer’s Disease International).The apolipoproteinε4(APOE4)allele is the strongest genetic risk factor for late-onset AD(after age 65 years).Apolipoprotein E,a lipid transporter,exists in three variants:ε2,ε3,andε4.APOEε2(APOE2)is protective against AD,APOEε3(APOE3)is neutral,while APOE4 significantly increases the risk.Individuals with one copy of APOE4 have a 4-fold greater risk of developing AD,and those with two copies face an 8-fold risk compared to non-carriers.Even in cognitively normal individuals,APOE4 carriers exhibit brain metabolic and vascular deficits decades before amyloid-beta(Aβ)plaques and neurofibrillary tau tangles emerge-the hallmark pathologies of AD(Reiman et al.,2001,2005;Thambisetty et al.,2010).Notably,studies have demonstrated reduced glucose uptake,or hypometabolism,in brain regions vulnerable to AD in asymptomatic middle-aged APOE4 carriers,long before clinical symptoms arise(Reiman et al.,2001,2005).
文摘目的探讨肠道屏障功能、IL-6、血沉(erythrocyte sedimentation rate,ESR)指标在克罗恩病合并贫血患者中的变化及应用价值。方法选取2022年6月至2023年4月至南京市第二医院就诊的克罗恩病患者155例。根据血红蛋白检测结果将患者分为贫血组(55例)及非贫血组(100例),对两组间DAO、D-LA、BT、IL-6及ESR水平进行比较,并进行相关统计学分析。结果与非贫血组相比,贫血组患者D-LA水平明显降低,IL-6及ESR水平显著升高,差异有统计学意义(P<0.05),两组间DAO、BT水平差异无统计学意义(P>0.05);在贫血组中,血清D-LA水平与BT水平呈正相关、与IL-6呈负相关;二元Logistic回归分析结果显示,ESR水平是克罗恩病患者贫血的独立影响因素(OR=1.963,P<0.05);D-LA、IL-6及ESR判断克罗恩病合并贫血的ROC曲线下面积(area under the curve,AUC)分别为0.322、0.714、0.737(P均<0.05),DAO及BT的AUC差异无统计学意义。结论克罗恩病合并贫血患者肠道屏障功能、IL-6及ESR水平发生明显变化,做好其分析对克罗恩病患者的贫血发生机制研究以及临床诊疗具有积极意义。
