原发性高血压肾病患者血清APN、TGF-β_1检测的临床意义

目的：探讨了原发性高血压肾病患者血清脂联素（APN）、TGF-β1水平的变化及意义。方法：应用ELISA在36例高血压肾病患者进行血清APN、TGF-β1检测,并与35名正常健康人作比较。结果：原发性高血压肾病患者TGF-β1水平非常显著地高于正常人组（P〈0.01）。血清APN水平则低于正常人组（P〈0.01）。两者之间呈明显负相关（r=-0.4588,P〈0.01）。结论：检测原发性高血压肾病患者血清APN和TGF-β1水平的变化对了解病情,探讨其发病机理,预防和指导用药均有重要的临床价值。     

DN患者血清内脂素和脂联素检测的临床意义

目的：探讨2型糖尿病肾病（DN）患者血清内脂素和脂联素水平的变化及意义。方法：应用放射免疫分析和酶联法测定41例DM2无肾病组和32例DN组患者血清内脂素和脂联素水平,并与35名正常人作比较。结果：DM2患者无论有无肾病组其血清内脂素水平均显著地高于正常人组（P〈0.01）,血清脂联素水平显著低于正常人组（P〈0.01）,两者呈明显的负相关（r=-0.4108,P〈0.01）。DN组血清脂联素水平高于DM2组。结论：血清内脂素、脂联素水平与DN的发生与发展密切相关,有重要的临床价值。     

原发性高血压肾病患者血浆leptin和血清APN及尿mAlb检测的临床意义

目的:探讨了原发性高血压肾病患者血浆瘦素(leptin)和血清脂联素(APN)及尿微量白蛋白(mAlb)水平的变化及意义。方法:应用放射免疫分析、酶联免疫法和化学法对38例原发性高血压肾病患者血浆leptin和血清APN及尿mAlb进行检测,并与35名正常健康人作比较。结果:原发性高血压肾病患者血浆leptin和尿mAlb水平非常显著地高于正常人组(P<0.01)。而血清APN水平则显著地低于正常人组(P<0.01)。血清APN水平与leptin、尿mAlb水平呈显著的负相关(r=-0.4084、-0.5132,P<0.01)。结论:检测原发性高血压肾病患者血浆leptin和血清APN及尿mAlb水平的变化对了解病情、探讨其发病机理、预防和指导用药均有重要的临床价值。     

DM2肾病患者血浆ET和血清脂联素检测的临床意义

目的：探讨了2型糖尿病（DM2）肾病患者血浆ET和血清脂联素水平的变化及意义。方法：应用放射免疫分析对32例DM2患者进行了血浆ET和血清脂联素水平的检测,并与35名正常健康人作比较。结果：DM2肾病患者血浆ET水平非常显著地高于正常人组（P〈0.01）,而血清脂联素水平则非常显著地低于正常人组（P〈0.01）,两者呈明显的负相关（r=-0.4312,P〈0.05）。结论：检测DM2肾病患者血浆ET和血清脂联素水平的变化可为DM2肾病患者的早期诊断、预防和治疗提供一种有效的手段。     

DM2合并肾病患者血浆leptin和血清NPY、Hcy检测的临床意义

目的：探讨2型糖尿病（DM2）合并肾病患者血浆leptin和血清神经肽Y（NPY）、同型半胱氨酸（Hcy）水平的变化及临床意义。方法：应用放射免疫分析和酶联免疫法对36例DM2合并肾病（DM2-N）患者和30例DM2无肾病者进行了血浆leptin和血清NPY、Hcy检测,并与35名正常健康人作比较。结果：DM2各组血浆lep-tin和血清NPY、Hcy水平均非常显著地高于正常人组（P〈0.01）,其中合并肾病组与无肾病组比较亦有显著性差异（P〈0.01）。结论：检测DM2患者血浆leptin和血清NPY、Hcy水平的变化与临床价值密切相关。     

原发性高血压肾病患者血浆ET、leptin和血清APN水平的相关性分析

目的:探讨了原发性高血压肾病患者血浆内皮素(ET)、瘦素(leptin)和血清脂联素(APN)水平的相关性.方法:分别应用放射免疫分析和酶联法对92例原发性高血压患者(其中32例伴肾病组,60例为无肾病组)进行了血浆ET、leptin、血清APN测定,并与35名健康人作比较.结果:原发性高血压无肾病组和肾病组血浆ET、...     

2型糖尿病肾病患者血清脂联素水平与红细胞膜ATP酶活性的关系

目的：探讨了2型糖尿病肾病患者血清脂联素水平与红细胞膜Na^＋·K^＋-ATP酶和Ca^＋2·Mg^＋2-ATP酶活性的改变参与了2型糖尿病肾病发生的可能机制。方法：应用放射免疫分析和Reilnila制膜法测定了45例2型糖尿病无肾病组和31例2型糖尿病肾病组患者血清脂联素水平和红细胞膜Na^＋·K^＋-ATP酶及Ca^＋2·Mg^＋2-ATP酶含量,并与30名正常健康人作比较。结果：2型糖尿病患者无论有无肾病组其血清脂联素水平均非常显著地低于正常人组（P〈0.01）,红细胞膜Na^＋·K^＋-ATP酶和Ca^＋2·Mg^＋2-ATP酶含量也显著地低于正常人组（P〈0.01）。2型糖尿病肾病组与无肾病组亦有显著性差异（P〈0.05）。结论：2型糖尿病的发生与发展与血清脂联素水平与红细胞膜Na^＋·K^＋-ATP酶及Ca^＋2·Mg^＋2-ATP酶的活性有密切的关系。     

急性脑梗死患者治疗前后血浆Hcy和血清脂联素检测的临床意义

目的：探讨急性脑梗死患者治疗前后血浆Hcy和血清脂联素水平的变化及临床意义。方法：应用放射免疫分析和ELISA对36例急性脑梗死患者进行了血浆Hcy和血清脂联素的测定,并与35名正常健康人作比较。结果：在治疗前血浆Hcy水平非常显著高于正常人组（P〈0.01）,而血清脂联素水平则非常显著低于正常人组（P〈0.01）,经3个月治疗后,血浆Hcy水平和血清脂联素水平与正常人比较仍有显著差异（P〈0.05）,血浆Hcy水平与血清脂联素水平呈明显的负相关（r=-0.4021,P〈0.05）。结论：检测急性脑梗死患者血浆Hcy和血清脂联素水平的变化对了解病情、观察预后均有重要的临床价值。     

DM2肾病患者血清leptin水平与红细胞ATP酶活性的关系

目的：探讨了2型糖尿病（DM2）肾病患者血清瘦素（leptin）水平与红细胞膜Na＋K＋-ATP酶和Ca2＋Mg2＋-ATP酶活性改变参与DM2肾病发生的可能机制。方法：应用放射免疫分析和Reilni制膜法测定了40例DM2无肾病和32例DM2肾病患者血清leptin水平和红细胞膜Na＋K＋-ATP酶和Ca＋2Mg＋2-ATP酶含量,并与35名正常健康人作比较。结果：DM2无肾病组和肾病组血清leptin水平非常显著地高于正常人组（P〈0.01）和红细胞膜Na＋K＋-ATP酶和Ca2＋Mg2＋-ATP酶水平显著地低于正常人组（P〈0.01）。DM2肾病组与无肾病组亦有显著性差异（P〈0.05）。结论：DM2的发生、发展与血清leptin水平和红细胞膜Na＋K＋-ATP酶和Ca2＋Mg2＋-ATP酶的活性有密切的关系。     

原发性高血压肾病患者血清TGF-β1、RBP和Cys-C检测的临床意义

目的：探讨了原发性高血压肾病患者血清转化生长因子-β1（TGF-β1）、视黄醇结合蛋白（RBP）和胱抑素C（Cys-C）水平的变化及临床意义。方法：应用酶联法和生化法对35例原发性高血压肾病患者进行了血清TGF-β1、RBP和Cys-C检测,并与35名正常人作比较。结果：原发性高血压肾病患者血清TGF-β1、RBP和Cys-C水平均非常显著地高于正常人组（P〈0.01）,血清TGF-β1水平与RBP和Cys-C水平呈正相关（r=0.5948、0.6014,P〈0.01）。结论：检测原发性高血压肾病患者血清TGF-β1、RBP和Cys-C水平的变化对了解病情、探讨其发展机理、预防和指导用药均有重要的临床价值。     

2型糖尿病患者胰岛素抵抗与脂联素、瘦素关系的探讨

目的:通过对2型糖尿病患者血清脂联素、瘦素水平检测及二者之间的比值分析,探讨DM2胰岛素抵抗发生的机理,为临床诊断治疗提供依据。方法:用酶联免疫分析和放射免疫分析对87例DM2,25例DM1患者和30例正常对照者及52例DM2经一年治疗前后脂联素、瘦素水平进行检测分析。结果:DM2患者脂联素水平明显低于DM1和正常对照组(P<0.01);瘦素水平DM1、DM2均高于正常对照组,DM2明显高于DM1(P<0.01);脂联素/瘦素的比值DM1>1(1.183),DM2<1(0.211),DM1与DM2比值比较有显著性差异(P<0.001);52例DM2治疗前后比较,脂联素、瘦素及二者比值有显著差异(P<0.01),脂联素与瘦素比较呈负相关。结论:2型糖尿病胰岛素抵抗的发生与脂联素、瘦素密切相关,二者的比值变化对糖尿病分型具有重要意义。     

Serum Leptin and Adiponectin Levels in Korean Patients with Psoriasis

Psoriasis is a disorder caused by genetic and immunological factors. Leptin, a peptide hormone secreted predominantly from adipose tissue, regulates energy intake and expenditure, as well as the T-helper response. There have been conflicting reports regarding serum levels of leptin and adiponectin in patients with psoriasis. In the present study, we measured serum levels of leptin and adiponectin in Korean patients with psoriasis. Twenty-four patients with psoriasis and fifteen control subjects were included in the study. Serum leptin and adiponectin levels were determined by an immunometric sandwich enzyme-linked immunosorbent assay (ELISA). The mean serum leptin concentration in patients with psoriasis was higher than in controls, and the difference was statistically significant. In contrast, serum adiponectin levels in patients with psoriasis were significantly decreased compared with healthy controls. Leptin levels in vitamin D-deficient patients were statistically significantly higher than in vitamin D-sufficient patients. Serum adiponectin concentrations showed a negative correlation with body mass index (BMI) and psoriasis area and severity index (PASI) in patients with psoriasis. In conclusion, the present study demonstrated that leptin and adiponectin may play a role in the immunopathogenesis of psoriasis and may be useful biomarkers indicating severity of psoriasis in Korean patients.

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2型糖尿病患者血清脂联素水平与糖尿病肾病的关系

目的:研究2型糖尿病肾病患者血清脂联素水平与糖尿病肾病的关系.方法:用放射免疫分析测定163例2型糖尿病患者及50例正常人的血清脂联素水平.结果:在糖尿病各亚组中,大量蛋白尿组患者的血清脂联素水平高于微量蛋白尿组(P＜0.01)及正常蛋白尿组和对照组(P＜0.001).微量蛋白尿组患者的血清脂联素水平高于正常蛋白尿组(P＜0.05).脂联素水平与血肌酐、HbA1c、TC、SBP、DBP、TG及UAER呈正相关(P＜0.05),而与年龄、HDL-C、BMI无明显相关性(P＞0.05).女性血清脂联素水平(15.82±7.21)mg/L高于男性(13.98±7.86)mg/L,但无统计学意义(P＞0.05).结论:2型糖尿病肾病患者血清脂联素水平随着肾病进展而升高,说明肾脏参与了脂联素的代谢与排泄.脂联素在糖尿病肾病发生发展过程中可能起到重要作用.     

女性小儿单纯肥胖症患者血清leptin及其相关因子含量的相关性

目的：探讨了女性小儿单纯性肥胖症患儿血清瘦素（leptin）、神经肽Y（NPY）和脂联素（ADP）的含量变化及相关性。方法：应用放射免疫分析对32例女性小儿单纯肥胖症患者进行了血清leptin、NPY和ADP水平检测,并与35名正常女性小儿作比较。结果：女性小儿单纯性肥胖症患者血清leptin、NPY水平非常显著地高于正常女童组（P〈0．01）,而ADP水平则非常显著地低于正常女童组（P〈0．01）,且血清leptin水平与NPY水平呈明显的正相关（r=0．6014,P〈0．01）,与ADP水平呈明显的负相关（r=-0．4786,P〈0．01）。结论：检测女性小儿单纯性肥胖症患儿血清leptin、NPY和ADP水平的变化对了解病情、指导临床实践均具有一定的临床实用价值。     

PTH在CRF诊治中的应用

目的：探讨测定血清中甲状旁腺激素（PTH）的水平在慢性肾功能衰竭（CRF）诊治中的临床意义。方法：测定30例CRF患者血清PTH、25-（OH）VitD3和血钙,与健康人做对照。分别检测30例糖尿病肾病（DN）、高血压肾病患者血清内PTH浓度与血尿素氮（BUN）、血肌酐（Scr）的相关程度。结果：与正常对照组相比,CRF患者血清PTH水平显著升高,25-（OH）VitD3和血钙降低,差异有统计学意义（P〈0.05）。DN患者和糖尿病（DM）患者相比较,高血压肾病患者和高血压患者相比较,前者血清PTH水平均比后者要高,且与血BUN、Scr及尿中微量白蛋白（MA）与肌酐（Cr）的比值（MA/Cr）有较好的相关性。结论：CRF导致患者血清PTH浓度升高,测定血清PTH水平可作为判断肾功能的指标之一,更有助于临床对CRF的提早发现和及时治疗,对钙磷代谢的调节评价及预防继发性甲状旁腺功能亢进具有重要的临床意义。     

The relationship between inflammatory markers, leptin and adiponectin in chronic hemodialysis patients

Chronic inflammation is prevalent in dialysis patients. We investigated the relationship between inflammation and newly identified adipokines: leptin and adiponectin in this population. A total of 129 chronic hemodialysis patients were collected. Serum high sensitivity C-reactive protein (CRP), interleukin-6 (IL-6), leptin and adiponectin levels were determined as well as other metabolic variables. Correlation studies and multiple regression analysis were performed among variables. Our results showed that hemodialysis patients had elevated levels of inflammatory markers, leptin and adiponectin. Diabetic subjects had higher serum CRP and lower albumin levels than non-diabetics. Serum CRP levels were positively correlated with IL-6 levels and negatively correlated with albumin levels. Serum leptin levels were directly related to CRP levels while adiponectin levels were inversely related to CRP levels. A significant negative correlation was observed between serum leptin and adiponectin levels. Serum IL-6 levels were the single independent factor affecting CRP levels. Body mass index can predict both serum leptin and adiponectin levels. We conclude that hemodialysis patients are at an increased risk of chronic inflammation and diabetes patients are even more susceptible to this status. Both serum leptin and adiponectin levels are associated with inflammatory markers. As adipose tissue is the major secreting site of these adipokines, our results suggest that adipose tissue plays an important role in the pathogenesis of chronic inflammation in dialysis patients.     

Leukocytes apoptosis and adipocytokines in children with beta thalassemia major

β-Thalassemia is a significant public health problem in Egypt. Infectious complications represent the second most common cause of mortality and the major cause of morbidity in β-thalassemia major (BTM). The increased susceptibility of these patients to infectious diseases has been attributed to the abnormalities of the immune system, which is evident by systemic inflammation and immune deficiency. In a case control study, 35 patients with BTM were compared with 30 sex- and age-matched children who served as controls. Serum ferritin, high-sensitive CRP (hsCRP), leptin and adiponectin levels were determined in all subjects. Apoptosis of neutrophils and lymphocytes was measured by the Annexin V-fluoroisothiocyanate binding assay. Serum leptin was significantly lower in patients when compared to controls. In contrast, adiponectin and hsCRP levels were significantly higher in the patients than the controls. Positive correlation was found between adiponectin and hsCRP. BTM patients had significantly higher total leukocytes, neutrophils and lymphocytes compared with controls. BTM children exhibited a significantly increased apoptosis in T-lymphocytes; however, there was no significant difference in the percentage of apoptosis of B-lymphocytes and neutrophils between the patients and the controls. There was a significant negative correlation between serum leptin and the percentage of apoptotic T-lymphocytes. Our BTM patients had a high percentage of apoptotic T-lymphocyte in comparison with controls. In addition, they had disturbed serum levels of adipocytokines and inflammatory markers. These derangements could have a role in the immunological disturbance observed in thalassemic patients.