脂多糖对人类风湿性关节炎滑膜细胞白介素-6表达的影响脂多糖对人类风湿性关节炎滑膜细胞白介素-6表达的影响

目的研究脂多糖（LPS）及其刺激的U937细胞培养上清液和地塞米松对人类风湿性关节炎（RA）成纤维状滑膜细胞(FLS)白介素-6（IL-6）表达的影响。方法用放免分析法检测IL-6蛋白的表达；RT-PCR法测定IL-6 mRNA的表达。结果LPS处理对FLS中IL-6表达无显著影响；LPS刺激的U937细胞培养上清液可明显增强FLS中IL-6蛋白分泌及mRNA表达；地塞米松可显著抑制上述变化，且其抑制作用随浓度的增加而增强。结论LPS刺激的U937细胞上清液使FLS中IL-6表达增加；而地塞米松能抑制上述IL-6的变化。     

吲哚美辛对脂多糖引起的人类风湿性关节炎滑膜细胞中白介素-6表达的影响

目的　研究吲哚美辛对脂多糖引起的人类风湿性关节炎 (RA)成纤维状滑膜细胞 (FLS)中白介素 6 (IL 6 )表达的影响。方法　用放免分析法检测IL 6蛋白的表达水平 ;RT PCR方法测定IL 6mRNA的表达水平。结果LPS处理对FLS中IL 6表达无显著影响 ;LPS刺激的U937细胞培养液上清液可明显增强FLS中IL 6蛋白分泌及mRNA表达 ;吲哚美辛可显著抑制上述变化 ,且其抑制作用随浓度的增加而增强。结论　吲哚美辛可抑制LPS刺激的U937细胞培养上清液引起的FLS中IL 6的表达     

维生素E琥珀酸酯抑制人胃癌细胞DNA合成

目的　研究维生素E琥珀酸酯 (VES)对人胃癌细胞(SGC 790 1)生长以及DNA合成的影响。方法　以体外培养的人胃癌细胞 (SGC 790 1)作为研究对象 ,用活细胞计数方法绘制生长曲线。Giemsa染色方法计数细胞形成集落数。用流式细胞仪检测VES对SGC 790 1细胞周期的影响。并用3H TdR参入方法研究VES对SGC 790 1细胞DNA合成的影响。结果　VES可抑制SGC 790 1细胞的生长和集落形成 :5mg·L-1、10mg·L-1和 2 0mg·L-1VES处理SGC 790 1细胞 7d后 ,细胞生长抑制率分别为 41 2 %、98 3%和 10 0 % ;同样剂量的VES处理SGC 790 1细胞 2 4和48h后 ,集落形成抑制率分别为 6 7%、5 0 4%、87 2 %和2 4 7%、73 4%、10 0 %。细胞周期分析显示VES作用细胞48h后 ,G2 M期细胞比例降低 ,并呈一定的剂量效应关系 ;同时S期细胞比例升高。在培养 2 4和 48h后VES对SGC 790 1细胞3H TdR参入均有明显抑制作用 ,且呈剂量效应关系。结论　VES在体外可通过抑制细胞DNA合成来抑制人胃癌细胞生长     

糖尿病下肢血管病变的中医证候分布

目的：对2型糖尿病下肢血管病变（T2DM PVD）患者进行中医辨证分析、总结、归纳,寻找其中医证候分布规律,为临床辨证论治提供理论依据。方法：回顾性分析150例2型糖尿病住院病例资料,以下肢动脉彩色多普勒结果作为标准进行分级,分为轻、中、重度病变,并进行中医辨证分型。通过统计分析,总结T2DM PVD病情分级与中医证型的关系。结果与结论：T2DM PVD患者中医辨证单证出现频率最高的证型是阴虚、气虚、血瘀证。临床中单证少见,组合证多见。气阴两虚是糖尿病周围血管病变最常见的主证,而血瘀证是最常见的兼证,贯穿疾病的始终。     

二氮嗪对氧糖剥夺后PC12细胞凋亡及对Bcl-2蛋白的影响

目的探讨二氮嗪对氧糖剥夺(OGD)PC12细胞凋亡的保护作用及其机制。方法体外培养PC12细胞株,以OGD、二氮嗪、5-羟葵酸(5-HD)处理,分为A组(正常对照组),B组(氧糖剥夺组),C组(氧糖剥夺+二氮嗪组),D组(氧糖剥夺+二氮嗪组+5-HD组),采用Annexin V-FITC/PI双染流式细胞分析仪检测凋亡率,应用免疫荧光染色和Western blot检测Bcl-2蛋白表达水平,观察二氮嗪对氧糖剥夺PC12细胞凋亡的保护作用。结果氧糖剥夺后B,C,D组PC12细胞凋亡细胞数增加,C组与B、D组比较差异均有显著性(P<0.01)。B,C,D组Bcl-2蛋白表达增加,C组达到高峰。C组与A、B、D组比较差异均有显著性(P<0.01)。结论二氮嗪能抑制氧糖剥夺PC12细胞凋亡,这一作用机制可能是增加Bcl-2表达来实现其保护作用的。     

二甲双胍对糖尿病前期患者生长分化因子15及体脂分布影响的研究

目的探讨二甲双胍对DM前期患者生长分化因子15(GDF-15)及体脂分布的影响。方法选取DM前期患者112例,随机分为标准生活方式干预+二甲双胍的试验组(Exp)和仅标准生活方式干预的对照组(Con),每组各56例。干预1年后比较两组体重、BMI、WC、体脂分布、血糖、Ins、GDF-15等指标变化。再以BMI≥24 kg/m²为标准分为超重/肥胖组和体重正常组,多元线性回归分析GDF-15的影响因素。结果干预1年后Exp组FPG、2 h PG低于Con组(P<0.05),定量IS指数(QUICKI)、GDF-15高于Con组(P<0.05);超重/肥胖组TC、TG、HbA₁c、2 h Ins、WC、内脏脂肪面积、四肢、A区及G区脂肪质量较前降低(P<0.05),GDF-15较前升高(P<0.05)。Spearman相关分析显示,GDF-15与年龄、QUICKI呈正相关(r=0.362、0.375,P<0.05),与FIns呈负相关(r=-0.353,P<0.05)。多元线性回归分析显示,应用二甲双胍是GDF-15的影响因素,应用二甲双胍是A区脂肪质量的影响因素。结论二甲双胍干预可减少DM前期患者腹部脂肪,升高GDF-15,且在超重/肥胖人群更显著。     

血尿酸与急性脑梗死相关性研究——360例急性脑梗死患者相关因素分析

目的研究血尿酸与急性脑梗死的相关性。方法前瞻性地观察360例急性脑梗死患者与300例非梗死患者血尿酸水平及高尿酸血症（HUA）的发病率。根据血尿酸水平将梗死组患者,分为高尿酸血症组和血尿酸正常组,比较两组患者年龄、性别、体质量、血糖、血脂、血压等指标的差异。比较高尿酸血症组和血尿酸正常组急性脑梗死发病时及治疗后的神经功能缺失程度。结果 （1）梗死组患者的平均血尿酸水平、HUA发病率高于非梗死组。（2）高尿酸组患者的体质量、空腹血糖、血脂水平均高于血尿酸正常组。（3）急性脑梗死发病时高尿酸血症组患者神经功能缺失程度重,经治疗后恢复程度差于血尿酸正常组。结论高尿酸血症与急性脑梗死具有相关性。     

基于快速区域卷积神经网络萎缩性胃炎-胃癌胃镜图像自动识别模型的建立及临床测试＊

目的 验证基于快速区域卷积神经网络萎缩性胃炎-胃癌胃镜图像自动识别系统，并探讨其临床应用价值。方法 回顾性收集80例萎缩性胃炎-胃癌患者的640张胃镜图像序列，将所有图像序列作为训练组输入卷积神经网络系统，建立图像自动识别模型，通过读取图像进行验证，记录识别准确率，绘制精确回归曲线。结果 模型训练损失在12轮训练后基本趋于0，准确率在第29轮达到最大值98%，在42轮以后也基本稳定在最大值。结论 卷积神经网络系统能够帮助消化科医师对萎缩性胃炎-胃癌进行诊断，具有一定的临床应用价值。     

Assessment of the clinical effect of Chinese medicine therapy combined with psychological intervention for treatment of patients of peri-menopausal syndrome complicated with hyperlipidemia

<正>Objective:To observe the effect of Chinese medicine therapy combined with psychological intervention(combined therapy) on the clinical symptoms and levels of blood lipids and sex hormones of patients of peri-menopausal syndrome complicated with hyperlipidemia.Methods:With the use of a randomizing digital table method,185 patients that fit the registration standard were randomly assigned to three groups.The 59 cases in Group A were treated with two Chinese patents,Kunbao Pill(坤宝丸) and Modified Xiaoyao Pill(加味逍遥丸);the 63 in Group B received psychological intervention alone;and the 63 in Group C were treated with both(the combined therapy),with the treatment course for all six months.The items of observation included: (1) scoring by SCL-90 on eight factors and seven symptoms;(2) scoring on Chinese medicine symptoms by Kupermann scale,including anxiety and bad temper,scorching sense ation with sweating,dizziness,tinnitus, soreness and weakness of the loin and knees,palpitation,insomnia,lassitude,weakness,and hyposexuality; (3) blood contents of total cholesterol(TC),triglyceride(TG),high-density lipoprotein cholesterol(HDL-C), low-density lipoprotein cholesterol(LDL-C),apoprotein Al(ApoAl) and B(ApoB);(4) levels of sex hormones, including estradiol(E_2),progesterone(P),pituitary prolactin(PRL),follicular stimulating hormone(FSH),and luteinzing hormone(LH) in some randomly selected patients;(5) adverse reaction;and(6) one-year follow-up study on long-term effect.Results:A total of 21 patients(6,8,and 7 cases in Groups A,B,and C,respectively) dropped out;the drop-out rate was insignificant among groups.(1) The markedly effective rates in Group A, B,and C were 26.42%(14/53),18.18%(10/55),and 53.57%(30/56),respectively,and the total effective rates in them were 64.15%(34/53),50.91%(28/55),and 87.50%(49/56),respectively,suggesting the therapeutic efficacy in Group C was significantly better than that in Groups A and B(P0.01).(2) SCL-90 scoring showed that the total scores decreased significantly after treatment in Group C(P0.01),but remained unchanged in Groups A and B(P0.05).(3) Scoring on Chinese medicine symptoms showed the same results as shown by SCL-90 scoring in terms of total scores and individual symptoms,except that menstrual disorder and amenorrhea were unchanged in all three groups(P0.05).(4) Levels of HDL-C,ApoAl,and E_2 increased and those of TG,TC,LDL-C,ApoB,FSH,and LH decreased after treatment in Group C,reaching near normal levels;similar trends of blood lipids were shown in Group A,but the level of sex hormones was unchanged.In Group B all the above-mentioned indices were unchanged(P0.05).(5) A one-year follow-up study showed the markedly effective rate and the total effective rate in Group C were higher than those in the other two groups respectively(P0.01).(6) No adverse reaction was found.Conclusion:Chinese medicine therapy combined with psychological intervention could not only improve the nervous symptoms,but also regulate the blood levels of lipids and sex hormones in patients of peri-menopausal syndrome complicated with hyperlipidemia.     

羟苯磺酸钙联合甲钴胺治疗糖尿病周围神经病变的疗效观察

目的 评价羟苯磺酸钙联合甲钴胺治疗糖尿病周围神经病变(DPN)的疗效.方法将60例DPN患者随机分为羟苯磺酸钙联合甲钴胺治疗组(n=30)和甲钴胺对照组(n=30),联合治疗组口服羟苯磺酸钙胶囊0.5 g、甲钴胺片0.5 mg;对照组口服甲钴胺片0.5 mg;均每日3次,疗程12周.观察治疗前后患者的腓神经传导速度、神...