青藤碱联合甲氨蝶呤治疗类风湿关节炎有效性和安全性的Meta分析
作者:
曾铖;帅云飞;李鑫
期刊:
中国中药杂志 ,2021年46(01):214-224 ISSN:1001-5302
作者机构:
[曾铖] 湖南中医药大学中医学院;[帅云飞] 湖南中医药大学第一附属医院;湖南中医药大学中医诊断学湖南省重点实验室;[李鑫] 湖南中医药大学中医学院<&wdkj&>湖南中医药大学中医诊断学湖南省重点实验室
关键词:
青藤碱;甲氨蝶呤;联合用药;类风湿关节炎;Meta分析
摘要:
为系统评价青藤碱联合甲氨蝶呤治疗类风湿关节炎(rheumatoid arthritis,RA)有效性和安全性,该研究利用计算机全面检索万方医药期刊数据库(Wanfang)、中国期刊全文数据库(CNKI)、维普中文科技期刊全文数据库(VIP)、中国生物医学文献服务系统(SinoMed)、PubMed、Cochrance Library和Web of Science等数据库建库至2020年2月4日所有关于青藤碱联合甲氨蝶呤治疗RA的研究型文献。并基于Cochrane协作网偏倚风险评价标准,运用RevMan 5.3软件对文献进行Meta分析。该研究纳入文献20篇,大多数文献具有不明确的偏倚风险。Meta分析结果显示,青藤碱联合甲氨蝶呤可显著降低DAS28评分(MD=-0.85,95%CI[-1.03,-0.67],P<0.000 01);提高临床总有效率(P<0.000 01);并可抑制关节肿胀数(MD=-1.19,95% CI[-1.75,-0.63],P<0.000 1)、关节压痛数(MD=-1.58,95%CI[-2.89,-0.28],P= 0.02),减少晨僵时间(MD=-8.44,95% CI[-11.82,-5.07],P<0.000 01),但不能有效改善握力(SMD = 0.20,95%CI[-1.11,1.51],P = 0.77);在改善ESR(MD =-9.87,95%CI[-14.52,-5.22],P<0.000 1),CRP(SMD=-0.30,95%CI[-0.51,-0.09],P = 0.005),RF(MD =-11.23,95%CI [-13.81,-8.65],P<0.000 01)方面均优于对照组。青藤碱联合甲氨蝶呤能明显降低不良反应发生率(P<0.000 01)。结果表明,青藤碱联合甲氨蝶呤治疗RA不仅能有效改善临床症状及实验室检测指标,而且能有效降低不良反应发生率。由于纳入文献质量、数量的限制,建议增加更多高质量随机对照试验,提升其临床循证证据。
语种:
中文
展开
风寒湿外邪作用于EPO影响痹证(类风湿关节炎)的发生
作者:
林也;廖菁;戴宗顺;张婷;胡胜涛;...
期刊:
湖南中医药大学学报 ,2021年41(03):345-349 ISSN:1674-070X
作者机构:
[廖菁; 胡胜涛; 易欧阳; 蔡雄; 张二兵; 张婷; 张逢] 湖南中医药大学中药粉体与创新药物省部共建国家重点实验室(培育基地);[李鑫; 戴宗顺] 湖南中医药大学中医诊断学湖南省重点实验室;[王莘智] 湖南中医药大学第一附属医院风湿免疫科;[林也] 湖南中医药大学中药粉体与创新药物省部共建国家重点实验室(培育基地)<&wdkj&>湖南中医药大学中医诊断学湖南省重点实验室
关键词:
痹证;类风湿关节炎;风寒湿外邪;佐剂性关节炎
摘要:
目的 明确风寒湿外邪作用于促红细胞生成素(EPO)影响痹证(类风湿关节炎)的发生机制.方法 (1)30只雄性SD大鼠随机分为正常对照组、单纯完全弗氏佐剂(CFA)组、风寒湿+CFA组,每组10只大鼠.单纯CFA组大鼠正常饲养14 d,风寒湿+CFA组大鼠风寒湿刺激14 d,再尾根部皮下注射0.1 mL含100滋g热灭活结核杆菌(Mtb)的CFA诱导佐剂性关节炎(AIA).分别于实验前、风寒湿刺激14 d及CFA免疫后7 d尾动脉取血,采用ELISA法检测血清EPO含量.(2)30只雄性SD大鼠随机分为单纯CFA组、风寒湿+CFA组、风寒湿+CFA+rhEPO组,每组10只大鼠.单纯CFA组正常饲养14 d,风寒湿+CFA组、风寒湿+CFA+rhEPO组,风寒湿刺激14 d,再尾根部皮下注射0.1 mL含100滋g Mtb的CFA诱导AIA.风寒湿+CFA+rhEPO组自风寒湿刺激第1天起,尾静脉注射重组人促红细胞生成素(rhEPO).观察大鼠的发病时间和发病率;CFA免疫后8 d,腹主动脉取血,采用ELISA法检测血清TNF-α含量.(3)选取RA寒湿痹阻证伴慢性疾病性贫血患者、RA寒湿痹阻证伴缺铁性贫血患者、RA寒湿痹阻证无贫血患者及健康志愿者各20例,取静脉血,采用ELISA法检测血清EPO含量.结果 (1)风寒湿刺激14 d及CFA免疫后7 d,风寒湿+CFA组大鼠血清EPO水平明显低于正常对照组大鼠和单纯CFA组大鼠(P<0.05).(2)风寒湿+CFA+rhEPO组大鼠AIA发病时间和发病率与单纯CFA组相比无显著差异;风寒湿+CFA+rhEPO组大鼠血清TNF-α含量显著低于风寒湿+CFA组大鼠(P<0.01),而与单纯CFA组相比无显著性差异.(3)RA寒湿痹阻证伴慢性病贫血患者血清EPO含量显著高于健康志愿者(P<0.01),但却显著低于RA寒湿痹阻证伴缺铁性贫血组(P<0.05).结论 风寒湿外邪通过抑制EPO表达而影响痹证(类风湿关节炎)的发生.
语种:
中文
展开
银屑病代谢组学研究进展
作者:
唐雪勇;刁庆春;李鑫
期刊:
中国皮肤性病学杂志 ,2020年34(4):458-461 ISSN:1001-7089
作者机构:
重庆市中医院皮肤科,重庆400021;湖南中医药大学第二附属医院皮肤科,湖南长沙410005;湖南中医药大学中医诊断学湖南省重点实验室,湖南长沙410208;[刁庆春; 唐雪勇] 重庆市中医院;[李鑫] 湖南中医药大学
关键词:
银屑病;代谢组学;生物标志物;代谢通路;代谢网络
摘要:
银屑病是临床常见的复发难治性皮肤病,其精准诊疗是皮肤科领域研究的热点。代谢组学广泛运用于疾病机制、药效评价等研究领域。本文综述近年来国内外基于代谢组学技术开展银屑病代谢标志物筛选、代谢通路分析与网络构建、药物代谢效应靶标等进展,并就当前存在的问题进行归纳和展望,以期为研究其发病机制,进而实现精准治疗提供参考。
语种:
中文
展开
脊愈汤在腰椎间盘突出髓核摘除植骨融合术后的应用
作者:
李鑫
期刊:
中国当代医药 ,2020年27(11):163-166 ISSN:1674-4721
作者机构:
湖南中医药大学研究生学院,湖南长沙410208;[李鑫] 湖南中医药大学
关键词:
脊愈汤;腰椎间盘突出;髓核摘除;植骨融合;术后应用
摘要:
目的 探讨脊愈汤在腰椎间盘突出髓核摘除植骨融合术后的临床应用价值.方法 选取2018年1月~2019年3月我院收治的80例腰椎间盘突症患者作为研究对象,按照随机数字表法将其分为观察组(4o例)和对照组(40例).对照组患者实施髓核摘除植骨融合内固定术,观察组在对照组的基础上联合使用脊愈汤治疗.随访6个月,比较两组患者下肢美国脊髓损伤学会(ASIA)评分,记录两组治疗前后生活质量(QOL)评分,观察两组的骨密度、骨降钙素及植骨融合情况.结果 治疗6个月后,观察组患者的运动与感觉功能评分均高于对照组,差异有统计学意义(P<0.05).治疗后,两组患者的QOL评分均高于治疗前,且观察组患者治疗后的QOL评分高于对照组,差异有统计学意义(P<0.05).治疗6个月后,观察组患者的骨密度值及骨降钙素水平均高于对照组,差异有统计学意义(P<0.05).观察组患者术后1、6个月的植骨融合比例均高于对照组,差异有统计学意义(P<0.05).结论 对于腰椎间盘突出症实施髓核摘除植骨融合术,术后联合脊愈汤,能有效改善下肢功能恢复,提高生活能力,促进骨质愈合.
语种:
中文
展开
The Role of a Selective P2Y(6) Receptor Antagonist, MRS2578, on the Formation of Angiotensin II-Induced Abdominal Aortic Aneurysms
作者:
Du, Xiao;Zhang, Shilan;Xiang, Qunyan;Chen, Jingyuan;Tian, Feng;...
期刊:
BioMed Research International ,2020年2020:1-15 ISSN:2314-6133
通讯作者:
Liu, Ling
作者机构:
[Liu, Ling; Xiang, Qunyan; Xu, Jin; Tian, Feng; Du, Xiao; Chen, Jingyuan; Li, Xin] Cent South Univ, Dept Cardiovasc Med, Changsha 410011, Hunan, Peoples R China.;[Zhang, Shilan] Cent South Univ, Dept Gastroenterol, Changsha 410011, Hunan, Peoples R China.;[Tan, Yuansheng] Hosp Hunan Univ Tradit Chinese Med, Minist Educ, Changsha 410011, Hunan, Peoples R China.
通讯机构:
[Liu, Ling] C;Cent South Univ, Dept Cardiovasc Med, Changsha 410011, Hunan, Peoples R China.
摘要:
<jats:p><jats:italic>Objective</jats:italic>. The P2Y<jats:sub>6</jats:sub> receptor has been shown to be involved in many cardiovascular diseases, including hypertension and atherosclerosis. The study is aimed at exploring the role of the P2Y<jats:sub>6</jats:sub> receptor in Ang II-induced abdominal aortic aneurysm (AAA) formation in apolipoprotein E-deficient (apoE<jats:sup>-/-</jats:sup>) mice by using its selective antagonist. <jats:italic>Methods</jats:italic>. Male apoE<jats:sup>-/-</jats:sup> mice were fed with high-fat diet and infused with angiotensin (Ang) II (1000 ng/kg/min) for 4 weeks to induce AAA or saline as controls. Mice were divided into four groups: normal saline (NS, placebo control) group (<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" id="M1"><mml:mi>n</mml:mi><mml:mo>=</mml:mo><mml:mn>8</mml:mn></mml:math>), Ang II+vehicle (Ang II) group (<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" id="M2"><mml:mi>n</mml:mi><mml:mo>=</mml:mo><mml:mn>14</mml:mn></mml:math>), Ang II-low dose MRS2578 (Ang II+MRS-16 mg) group (<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" id="M3"><mml:mi>n</mml:mi><mml:mo>=</mml:mo><mml:mn>14</mml:mn></mml:math>), and Ang II-high dose MRS2578 (Ang II+MRS-32 mg) group (<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" id="M4"><mml:mi>n</mml:mi><mml:mo>=</mml:mo><mml:mn>14</mml:mn></mml:math>). Daily intraperitoneal injection with vehicle or MRS2578 was pretreated one week before Ang II infusion. On postoperative day 10, aorta imaging of each group was taken by ultrasonography. After 4 weeks of Ang II infusion, the excised aortas were processed for diameter measurement and quantification of aneurysm severity and tissue characteristics; the blood samples were collected for measurement of the lipid profile and levels of cytokines. Verhoeff’s Van Gieson (EVG) staining and immunochemistry staining were performed to evaluate disruption of the extracellular matrix (ECM) and infiltration of macrophages. Expression and activity of matrix metalloproteinases (MMPs) was measured by gelatin zymography. <jats:italic>Results</jats:italic>. Treatment with MRS2578 made no significant difference in AAA formation, and maximal aortic diameter yet caused higher AAA rupture-induced mortality from 7% (Ang II) to 21.4% (Ang II+MRS-16 mg) or 42.9% (Ang II+MRS-32 mg), respectively (<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" id="M5"><mml:mi>p</mml:mi><mml:mo><</mml:mo><mml:mn>0.05</mml:mn></mml:math>). Consistently, the severity of aneurysm tended to be more deteriorated in MRS2578-treated groups, especially the high-dosage group. The ratios of type III and IV aneurysm were much higher in the MRS2578-coadministered groups (<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" id="M6"><mml:mi>p</mml:mi><mml:mo><</mml:mo><mml:mn>0.05</mml:mn></mml:math>). Furthermore, histological analyses showed that administration of MRS2578 significantly increased infiltration of macrophages, expression of monocyte chemotactic protein 1 (MCP-1) and vascular cell adhesion molecule-1 (VCAM-1), and activities of MMP-2 and MMP-9 followed by aggravating degradation elastin in vivo (<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" id="M7"><mml:mi>p</mml:mi><mml:mo><</mml:mo><mml:mn>0.05</mml:mn></mml:math>). However, the multiple effects of MRS2578 on the development of AAA are independent of changes in systolic blood pressure and lipid profiles. <jats:italic>Conclusions</jats:italic>. The present study demonstrated that administration of MRS2578 exacerbated the progression and rupture of experimental AAA through promoting proinflammatory response and MMP expression and activity, which indicated a crucial role of the P2Y<jats:sub>6</jats:sub> receptor in AAA development. <jats:italic>Clinical Relevance</jats:italic>. Purinergic P2Y receptors have attracted much attention since the P2Y<jats:sub>12</jats:sub> receptor antagonist had been successfully applied in clinical practice. Elucidating the underlying mechanisms of AAA and exploring potential therapeutic strategies are essential to prevent its progression and reduce the mortality rate.</jats:p>
语种:
英文
展开
The Attenuation of Traumatic Brain Injury via Inhibition of Oxidative Stress and Apoptosis by Tanshinone IIA
作者:
Huang, Yongpan;Long, Xian;Tang, Jiayu;Li, Xinliang;Zhang, Xiang;...
期刊:
Oxidative Medicine and Cellular Longevity ,2020年2020:1-12 ISSN:1942-0900
通讯作者:
Li, XL;Tang, JY
作者机构:
[Long, Xian; Zhang, Pan; Zhou, Yan; Huang, Yongpan; Zhang, Xiang; Luo, Chunyan] Changsha Social Work Coll, Sch Med, Dept Clin, Changsha, Hunan, Peoples R China.;[Huang, Yongpan; Li, Xinliang; Li, XL] Hunan Acad Chinese Med, Inst Chinese Med, Dept Pharmacol, Changsha, Peoples R China.;[Tang, Jiayu; Tang, JY] Brain Hosp Hunan Prov, Dept Neurol, Changsha, Peoples R China.
通讯机构:
[Tang, JY ] B;[Li, XL ] H;Hunan Acad Chinese Med, Inst Chinese Med, Dept Pharmacol, Changsha, Peoples R China.;Brain Hosp Hunan Prov, Dept Neurol, Changsha, Peoples R China.
关键词:
Brain;Chemical activation;Enzymes;Oxidative stress;Plants (botany);Polymerase chain reaction;Glial fibrillary acidic proteins;Glutathione peroxidase;Intraperitoneal administration;Protein expression levels;Reverse transcription quantitative-PCR;Therapeutic potentials;Traumatic Brain Injuries;Tumor necrosis factors;Cell death;aquaporin 4;caspase 3;catalase;CD11 antigen;CD68 antigen;glial fibrillary acidic protein;glutathione peroxidase;interleukin 1beta;malonaldehyde;messenger RNA;protein p47;Rac1 protein;reduced nicotinamide adenine dinucleotide phosphate oxidase;reduced nicotinamide adenine dinucleotide phosphate oxidase 2;reduced nicotinamide adenine dinucleotide phosphate oxidase 4;superoxide dismutase;tanshinone IIA;tumor necrosis factor;antioxidant;aquaporin 4;caspase 3;glial fibrillary acidic protein;Rac protein;reduced nicotinamide adenine dinucleotide phosphate oxidase;superoxide;tanshinone;water;animal experiment;animal model;animal tissue;apoptosis;Article;blood brain barrier;blood vessel permeability;brain edema;brain tissue;brain water;controlled study;down regulation;drug mechanism;enzyme activity;gene expression level;male;microglia;nonhuman;oxidative stress;protein expression level;rat;reverse transcription polymerase chain reaction;therapy effect;traumatic brain injury;TUNEL assay;upregulation;Western blotting;animal;brain;capillary permeability;chemistry;drug effect;enzyme activation;metabolism;pathology;pharmacology;Sprague Dawley rat;traumatic brain injury;Activation;Enzymes;Inhibition;Permeability;Processing;Stresses;Abietanes;Animals;Antioxidants;Apoptosis;Aquaporin 4;Brain;Brain Injuries, Traumatic;Capillary Permeability;Caspase 3;Enzyme Activation;Glial Fibrillary Acidic Protein;Male;Microglia;NADPH Oxidases;Oxidative Stress;rac GTP-Binding Proteins;Rats, Sprague-Dawley;Superoxides;Water
摘要:
Traumatic brain injury (TBI) is a major source of mortality and long-term disability worldwide. The mechanisms associated with TBI development are poorly understood, and little progress has been made in the treatment of TBI. Tanshinone IIA is an effective agent to treat a variety of disorders; however, the mechanisms of Tanshinone IIA on TBI remain unclear. The aim of the present study was to investigate the therapeutic potential of Tanshinone IIA on TBI and its underlying molecular mechanisms. Changes in microvascular permeability were examined to determine the extent of TBI with Evans blue dye. Brain edema was assessed by measuring the wet weight to dry weight ratio. The expression levels of CD11, interleukin- (IL-) 1β, and tumor necrosis factor- (TNF-) α mRNA were determined by reverse transcription-quantitative PCR. Aquaporin-4 (AQP4), glial fibrillary acidic protein (GFAP), and p47phox protein expression levels were detected by western blotting. Superoxide dismutase (SOD), catalase and glutathione peroxidase (GSH-PX) activities, and malondialdehyde (MDA) content were determined using commercial kits. Cell apoptosis was detected by western blotting and TUNEL staining. Tanshinone IIA (10 mg/kg/day, intraperitoneal administration) significantly reduced brain water content and vascular permeability at 12, 24, 48, and 72 h after TBI. Tanshinone IIA downregulated the mRNA expression levels of various factors induced by TBI, including CD11, IL-1β, and TNF-α. Notably, CD11 mRNA downregulation suggested that Tanshinone IIA inhibited microglia activation. Further results showed that Tanshinone IIA treatment significantly downregulated AQP4 and GFAP expression. TBI-induced oxidative stress and apoptosis were markedly reversed by Tanshinone IIA, with an increase in SOD and GSH-PX activities and a decrease in the MDA content. Moreover, Tanshinone IIA decreased TBI-induced NADPH oxidase activation via the inhibition of p47phox. Tanshinone IIA attenuated TBI, and its mechanism of action may involve the inhibition of oxidative stress and apoptosis. © 2020 Yongpan Huang et al.
语种:
英文
展开
千杯少颗粒解酒作用机制研究
作者:
刘瑞连;李鑫;曾普华
期刊:
湖南中医杂志 ,2020年36(6):136-138 ISSN:1003-7705
作者机构:
[曾普华; 刘瑞连] 湖南省中医药研究院;[李鑫] 湖南中医药大学
关键词:
千杯少颗粒;药效实验;作用机制;乙醇脱氢酶;乙醛脱氢酶
摘要:
目的:明确千杯少颗粒解酒作用机制。方法:取SPF级SD大鼠,按体质量分层随机分为空白组、模型组、阳性对照组(予海王金樽药液干预,给药剂量为0. 81 g/kg)及千杯少颗粒低、中、高剂量组(予千杯少颗粒药液干预,给药剂量分别为8. 1 g/kg、16. 2 g/kg、32. 4 g/kg)。除空白组外,各组均灌胃56°二锅头(10 ml/kg)制备醉酒模型,30 min后,给予相应药物干预,模型组及空白组灌胃等容积蒸馏水。给药1 h后将实验动物麻醉,腹主动脉采血,分离血清,测定乙醇含量及丙氨酸氨基转移酶(ALT)、门冬氨酸氨基转移酶(AST)水平。取肝组织,匀浆后,测定乙醇脱氢酶(ADH)与乙醛脱氢酶(ALDH)的活性。结果:与模型组比较,千杯少颗粒各剂量组均能不同程度地降低大鼠血清中乙醇含量及ALT、AST含量,提高大鼠肝组织中ADH、ALDH的活性,差异均有统计学意义(P <0. 05或P <0. 01)。结论:千杯少颗粒解酒作用机制可能与其增强肝组织中ADH、ALDH的活性及保护肝脏有关。
语种:
中文
展开
他汀类药物对ICAM-1、ET-1、MMP-9的影响及其与阿替普酶溶栓后出血转化的相关性
作者:
万芳超;谭莉;李晓辉;李燕;李鑫;...
期刊:
脑与神经疾病杂志 ,2020年28(8):481-485 ISSN:1006-351X
作者机构:
[袁波; 李燕; 李晓辉; 谭莉; 万芳超; 李鑫] 湖南中医药大学临床医学院
关键词:
阿替普酶静脉溶栓治疗;他汀药物;颅内出血转化
摘要:
目的 探讨他汀类药物对阿替普酶(rt-PA)溶栓后血清细胞间黏附分子(ICAM-1)、内皮素-1(ET-1)、血浆基质金属蛋白酶(MMP-9)水平的变化及其与溶栓后颅内出血转化的相关性分析.方法 选取湖南省脑科医院2016年08月-2019年09月诊治的rt-PA静脉溶栓患者共100例;将入组对象分为两组,对照组:非他汀药物+rt-PA溶栓+标准药物治疗;实验组:他汀药物+rt-PA溶栓+标准药物治疗.将两组患者均进行静脉溶栓治疗,分别在溶栓后1h、6h、12h、24h静脉采集患者肘部静脉血清,采用酶联免疫吸附法(ELISA)检测ICAM-1、ET-1、MMP-9水平.静脉溶栓治疗后病情变化考虑出血时及24h完善头颅CT明确颅内出血情况.结果 组间比较,长期服用他汀药物的实验组患者在静脉溶栓治疗后的1h、6h、12h、24h血清ICAM-1、ET-1、MMP-9水平较非长期服用他汀药物的对照组明显低(P<0.05),实验组24h内出现脑出血患者例数明显少于对照组(P<0.05).结论 长期服用他汀类药物可降低急性脑梗死(ACI)患者静脉溶栓后血清ICAM-1、ET-1、MMP-9水平,可减少颅内出血转化的发生,具有安全性.
语种:
中文
展开
基于聚类分析研究膝骨关节炎中药组方的用药规律
作者:
邱晓莲;李鑫;曹建中
期刊:
风湿病与关节炎 ,2020年9(5):10-13 ISSN:2095-4174
作者机构:
[曹建中; 邱晓莲; 李鑫] 湖南中医药大学
关键词:
骨关节炎;膝;频次分析;系统聚类分析;用药规律;数据挖掘
摘要:
目的:挖掘中医药治疗膝骨关节炎的用药规律.方法:计算机检索中国知网(CNKI)、万方、维普(VIP)等数据库,纳入1979年1月1日至2019年5月1日中药治疗膝骨关节炎的临床研究文献,使用Excel 2003、SPSS Statistics 21.0统计软件,对符合纳入标准的中药进行频次分析和聚类分析.结果:在符合纳入标准的134首方剂中,使用频数≥15次的高频药物共32种,其中牛膝(96次,6.29%)、当归(75次,4.91%)、甘草(64次,4.19%)、熟地黄(56次,3.67%)、杜仲(53次,3.47%)、川芎(53次,3.47%)最为常见,使用最多的药物功效类别为祛风湿药(36次,20.57%)、补虚药(33次,18.86%)、活血化瘀药(24次,13.71%)、清热药(17次,9.71%)和解表药(13次,7.43%).聚类分析得出杜仲-川芎-熟地黄-白芍-茯苓-当归-甘草-牛膝等3个聚类方.结论:历代医家治疗膝骨关节炎按照标本兼治的原则,以牛膝、当归、杜仲等活血化瘀类、补益类和祛风湿类药物为主,再依据辨证论治佐以清热类、理气类等药物.
语种:
中文
展开
Oxymatrine Ameliorates Memory Impairment in Diabetic Rats by Regulating Oxidative Stress and Apoptosis: Involvement of NOX2/NOX4
作者:
Huang, Yongpan;Li, Xinliang;Zhang, Xi;Tang, Jiayu
期刊:
Oxidative Medicine and Cellular Longevity ,2020年2020:1-15 ISSN:1942-0900
通讯作者:
Tang, JY
作者机构:
[Huang, Yongpan] Changsha Social Work Coll, Med Sch, Dept Clin, Changsha, Hunan, Peoples R China.;[Huang, Yongpan; Li, Xinliang] Hunan Acad Chinese Med, Inst Chinese Med, Changsha, Peoples R China.;[Tang, Jiayu; Tang, JY; Zhang, Xi] Brain Hosp Hunan Prov, Dept Neurol, Changsha, Peoples R China.
通讯机构:
[Tang, JY ] B;Brain Hosp Hunan Prov, Dept Neurol, Changsha, Peoples R China.
关键词:
Brain;Cell death;Enzymes;Glucose;Insulin;Oxygen;Plants (botany);Polymerase chain reaction;Reactive oxygen species;Histological changes;Intraperitoneal injections;Morphological changes;Pharmacological properties;Quinolizidine alkaloids;Reverse transcription quantitative-PCR;Small interfering RNA;Superoxide dismutases;Rats;caspase 3;insulin;malonaldehyde;messenger RNA;neuroprotective agent;oxymatrine;protein S100B;reactive oxygen metabolite;reduced nicotinamide adenine dinucleotide phosphate oxidase;reduced nicotinamide adenine dinucleotide phosphate oxidase 2;reduced nicotinamide adenine dinucleotide phosphate oxidase 4;small interfering RNA;streptozocin;superoxide dismutase;alkaloid;Cybb protein, rat;Nox4 protein, rat;oxymatrine;quinolizine derivative;reduced nicotinamide adenine dinucleotide phosphate oxidase 2;reduced nicotinamide adenine dinucleotide phosphate oxidase 4;animal experiment;animal model;animal tissue;apoptosis;Article;biochemical analysis;brain cortex;brain tissue;cholesterol diet;controlled study;diabetic patient;electron microscopy;enzyme linked immunosorbent assay;fasting;gene expression level;gene knockdown;genetic transfection;glucose blood level;hyperglycemia;in vitro study;in vivo study;insulin blood level;learning test;lipid diet;male;memory disorder;Morris water maze test;neuropathology;neuroprotection;Nissl staining;non insulin dependent diabetes mellitus;nonhuman;oxidative stress;protein determination;protein expression;rat;real time reverse transcription polymerase chain reaction;SH-SY5Y cell line;transmission electron microscopy;TUNEL assay;upregulation;Western blotting;animal;apoptosis;brain;diabetic complication;drug effect;enzymology;experimental diabetes mellitus;genetics;memory disorder;metabolism;oxidative stress;pathology;Sprague Dawley rat;Damage;Dosage;Glucose;Inhibition;Oxygen;Staining;Stresses;Test Methods;Alkaloids;Animals;Apoptosis;Brain;Diabetes Complications;Diabetes Mellitus, Experimental;Male;Memory Disorders;NADPH Oxidase 2;NADPH Oxidase 4;Oxidative Stress;Quinolizines;Rats;Rats, Sprague-Dawley
摘要:
Oxymatrine (OMT) is the major quinolizidine alkaloid extracted from the root of Sophora flavescens Ait and has been shown to exhibit a diverse range of pharmacological properties. The aim of the present study was to investigate the role of OMT in diabetic brain injury in vivo and in vitro. Diabetic rats were induced by intraperitoneal injection of a single dose of 65 mg/kg streptozotocin (STZ) and fed a high-fat and high-cholesterol diet. Memory function was assessed using a Morris water maze test. A SH-SY5Y cell injury model was induced by incubation with glucose (30 mM/l) to simulate damage in vitro. The serum fasting blood glucose, insulin, serum S100B, malondialdehyde (MDA), and superoxide dismutase (SOD) levels were analyzed using commercial kits. Morphological changes were observed using Nissl staining and electron microscopy. Cell apoptosis was assessed using Hoechst staining and TUNEL staining. NADPH oxidase (NOX) and caspase-3 activities were determined. The effects of NOX2 and NOX4 knockdown were assessed using small interfering RNA. The expression levels of NOX1, NOX2, and NOX4 were detected using reverse transcription-quantitative PCR and western blotting, and the levels of caspase-3 were detected using western blotting. The diabetic rats exhibited significantly increased plasma glucose, insulin, reactive oxygen species (ROS), S-100B, and MDA levels and decreased SOD levels. Memory function was determined by assessing the percentage of time spent in the target quadrant, the number of times the platform was crossed, escape latency, and mean path length and was found to be significantly reduced in the diabetic rats. Hyperglycemia resulted in notable brain injury, including histological changes and apoptosis in the cortex and hippocampus. The expression levels of NOX2 and NOX4 were significantly upregulated at the protein and mRNA levels, and NOX1 expression was not altered in the diabetic rats. NOX and caspase-3 activities were increased, and caspase-3 expression was upregulated in the brain tissue of diabetic rats. OMT treatment dose-dependently reversed behavioral, biochemical, and molecular changes in the diabetic rats. In vitro, high glucose resulted in increases in reactive oxygen species (ROS), MDA levels, apoptosis, and the expressions of NOX2, NOX4, and caspase-3. siRNA-mediated knockdown of NOX2 and NOX4 decreased NOX2 and NOX4 expression levels, respectively, and reduced ROS levels and apoptosis. The results of the present study suggest that OMT alleviates diabetes-associated cognitive decline, oxidative stress, and apoptosis via NOX2 and NOX4 inhibition. © 2020 Yongpan Huang et al.
语种:
英文
展开
Th17细胞在类风湿关节炎发病机制中的作用研究进展
作者:
李鑫;蔡雄;刘良
期刊:
中国药理学通报 ,2020年36(3):309-312 ISSN:1001-1978
作者机构:
[李鑫] Hunan Provincial Key Lab of Diagnostic, Therapeutic Research in Chinese Medicine, Changsha, 410208, China;[蔡雄] Institute of Innovation and Applied Research in Chinese Medicine, Hunan University of Chinese Medicine, Changsha, 410208, China;[刘良] State Key Lab for Quality Research in Chinese Medicine, Macau University of Science and Technology, Taipa, 999078, Macau
关键词:
类风湿关节炎;Th17细胞;滑膜炎症;骨破坏;发病机制;研究进展
摘要:
类风湿关节炎(rheumatoid arthritis,RA)是临床常见炎症性自身免疫疾病,以早期进行性关节滑膜炎症为主要临床特征,晚期则多以关节软骨破坏及骨侵蚀为主要病理特征。RA病因复杂,病理机制至今未明,发病率高,5年期致残率高。Th17细胞作为CD4 + T细胞的亚群之一,其分泌的IL-17、IL-21等促炎性细胞因子,在RA关节滑膜炎症和关节软骨破坏及骨侵蚀等多个病理环节均发挥重要作用。基于此,本文对近年来Th17细胞参与RA关节滑膜炎症和关节软骨破坏及骨侵蚀病程的相关研究文献进行综述和讨论,以期为RA发病机制研究提供新思路,为以Th17细胞为作用靶点的创新药物开发提供参考。
语种:
中文
展开
基于代谢组学的银屑病中医证治研究进展
作者:
唐雪勇;李鑫;杨志波;刁庆春
期刊:
中国中医药信息杂志 ,2020年27(9):136-140 ISSN:1005-5304
作者机构:
[刁庆春; 唐雪勇] 重庆市中医院;湖南中医药大学第二附属医院;湖南中医药大学中医诊断学湖南省重点实验室;[杨志波] 中医药大学第二附属医院;[李鑫] 湖南中医药大学
关键词:
银屑病;代谢组学;中医证候;方药评价;药效基础;综述
摘要:
银屑病是临床常见的慢性复发难治性皮肤病之一,中医证候内涵阐释和方药作用机制研究一直是银屑病中医基础研究的热点。代谢组学已广泛运用于中医证候、方药评价、药效基础、中药毒理、针灸效应等多个中医药研究领域。本文综述近年来国内外基于代谢组学技术开展的银屑病中医证治基础研究进展,并就当前银屑病中医证治代谢组学研究中存在问题进行总结和展望,为银屑病中医证候精准诊断、证候演变规律、方药疗效评价及药效物质基础等进一步深入研究提供新思路。
语种:
中文
展开
职业价值观与职业效能在基层医疗卫生机构本土化人才培养中医学生职业认知对职业认同影响的中介效应
作者:
夏小艳;曾朝锋;彭桂元;李耀军;李鑫;...
期刊:
中国医药导报 ,2020年17(9):53-56,64 ISSN:1673-7210
作者机构:
[夏小艳; 曾朝锋; 李耀军; 李鑫; 彭桂元] 长沙卫生职业学院;湖南中医药大学第一附属医院心内科;[周小明] 中医药大学第一附属医院
关键词:
基层医疗卫生机构;本土化人才培养;职业认知;职业认同;中介效应
摘要:
目的 探讨基层医疗卫生机构本土化人才培养医学生的职业价值观与职业效能在职业认知对职业认同影响中的中介作用.方法 选择符合2018年湖南省贫困地区基层医疗卫生机构本土化人才培养条件入学的404名2018级临床医学生作为调查对象.采用自制量表式问卷《贫困地区基层医疗卫生机构本土化人才培养临床医学生职业认同及影响因素调查问卷》进行调查,回收问卷393份,有效回收率为97.3%.运用中介效应检验程序对职业价值观与职业效能在职业认知对职业认同影响中的中介作用进行检验.结果 职业认知、职业效能、职业价值观与职业认同呈显著正相关(r>0,JP< 0.01).中介效应分析显示,职业认知不仅可以影响职业认同,还可以通过3条路径的间接作用影响职业认同,即职业价值观及职业效能的单独中介作用、职业价值观与职业效能的链式中介作用,相对中介效应分别31.37%、33.89%和7.45%.结论 本土化人才培养医学生的职业认知可以直接影响职业认同,也可以通过职业价值观与职业效能间接影响职业认同.
语种:
中文
展开
腰椎间盘突出症大鼠模型的建立及病理动态研究
作者:
师振予;郭亦杰;曾嵘;郭建生;李鑫
期刊:
湖南中医药大学学报 ,2020年40(01):28-33 ISSN:1674-070X
作者机构:
湖南中医药大学药学院,湖南 长沙 410208;湖南中医药大学中医学院,湖南 长沙 410208;[郭建生; 郭亦杰; 曾嵘; 师振予; 李鑫] 湖南中医药大学
关键词:
腰椎间盘突出症;大鼠模型;时间节点;肿瘤坏死因子-α
摘要:
目的 建立腰椎间盘突出症(lumbar disc herniation,LDH)大鼠模型,对建模后不同时间点模型效果进行动态比较以期发现建模后的最佳实验节点.方法 将48只Sprague-Dawley(SD)大鼠随机分为对照组(假手术组)、模型组,采用大鼠自体髓核移植法建立LDH大鼠模型.造模术后于不同时间节点(第7、14、21、28天)观察动物行为状态并随机处死动物后进行血清学和病理组织学检查.通过HE染色观察大鼠神经组织病理学的改变,采用ELISA法检测血清肿瘤坏死因子-α(tumor necrosis factor-α,TNF-α)水平.结果 (1)造模术后模型组和对照组(假手术组)大鼠均有明显的左后肢无力、跛行症状.术后第7天开始,对照组症状有恢复的趋势,并于第14天后基本恢复正常;模型组症状持续存在至术后第28天有好转趋势.(2)术后第7天对照组(假手术组)神经组织可见出血及炎症细胞浸润,但无神经损伤表现;模型组除可见出血及炎症细胞浸润还有神经受压表现.术后第14天开始对照组出血及炎症细胞浸润明显好转并于术后第21天基本恢复正常;而模型组术后第21天仍可见明显炎症细胞浸润、出现粘连及纤维化表现,并于术后第28天出现较明显的纤维化表现.(3)对照组大鼠TNF-α水平随时间进行明显下降.与对照组比较,模型组血清TNF-α水平在术后各个时间节点均显著升高(P<0.05).结论 采用自体髓核移植法能有效地模拟建立LDH模型.造模术后第21天对照组基本恢复正常而模型组行为学表现、病理学检查及血清TNF-α水平与对照组比较均有明显差异,而在术后第21天之后模型组有恢复的趋势,说明造模术后第21天是比较合适的实验时间节点.
语种:
中文
展开
益肾化湿颗粒联合雷公藤多苷片治疗糖尿病肾病的疗效研究
作者:
傅奕;陈帮明;李鑫;魏林;吴兆东;...
期刊:
中草药 ,2020年51(23):6045-6049 ISSN:0253-2670
通讯作者:
Li, X.
作者机构:
[魏林; 陈帮明; 吴兆东; 刘永芳; 付义] Jiujiang Hospital of Chinese Medicine, Jiujiang, 332000, China;Hunan University of Chinese Medicine, Changsha, 410007, China;Hunan Provincial Key Laboratory of Diagnostics of Chinese Medicine, Hunan University of Chinese Medicine, Changsha, 410208, China;[李鑫] Hunan University of Chinese Medicine, Changsha, 410007, China, Hunan Provincial Key Laboratory of Diagnostics of Chinese Medicine, Hunan University of Chinese Medicine, Changsha, 410208, China;[付义] Jiujiang Hospital of Chinese Medicine, Jiujiang, 332000, China, Hunan University of Chinese Medicine, Changsha, 410007, China
通讯机构:
[Li, X.] H;Hunan University of Chinese MedicineChina
关键词:
糖尿病肾病;益肾化湿颗粒;雷公藤多苷片;联合用药;疗效评价;安全性
摘要:
目的探讨益肾化湿颗粒联合雷公藤多苷片治疗糖尿病肾病(diabetic kidney disease,DKD)的疗效与安全性。方法筛选九江市中医院III~IV期DKD患者,随机分配入对照组(46例)及治疗组(46例)。在常规治疗基础上,对照组给予雷公藤多苷片,治疗组在对照组基础上施予益肾化湿颗粒,治疗持续3个月。检测并比较各组治疗前后尿微量蛋白、血清白蛋白、尿素氮、肌酐、血脂、尿IgG4、尿视黄醇结合蛋白改变。评估并记录中医证候积分。检测治疗后血常规、肝功能、细胞免疫,记录不良反应发生情况。结果治疗后,对照组和治疗组的总有效率分别是73.91%、86.96%,两组比较差异具有统计学意义(P<0.05)。治疗后,对照组和治疗组尿微量蛋白、尿素氮、血肌酐水平较治疗前明显降低。治疗后,治疗组尿微量蛋白为(178.65±31.72)mmol/L、尿素氮为(7.63±2.15)mmol/L、血肌酐水平为(85.68±14.74)μmol/L,较对照组明显降低(P<0.05)。治疗后,治疗组和对照组血清白蛋白、三酰甘油、总胆固醇水平均明显改善(P<0.05)。且治疗组血清白蛋白水平显著高于对照组(P<0.05),三酰甘油、总胆固醇水平显著低于对照组(P<0.05)。治疗后,治疗组尿IgG4、尿视黄醇结合蛋白水平较对照组显著降低(P<0.05);治疗组白细胞、CD4+、CD4+/CD8+水平显著高于对照组(P<0.05),谷氨酸氨基转移酶、天门冬氨酸氨基转移酶及CD8+水平显著低于对照组(P<0.05)。治疗后,治疗组中医证候积分显著低于对照组(P<0.05)。治疗组不良反应发生率低于对照组(P<0.05)。结论益肾化湿颗粒联合雷公藤多苷片治疗DKD具有增效减毒作用。
语种:
中文
展开
桂枝芍药知母汤联合甲氨蝶呤治疗类风湿关节炎的Meta分析
作者:
徐智慧;李鑫;林也;蔡雄;范伏元
期刊:
湖南中医杂志 ,2020年36(8):140-144 ISSN:1003-7705
作者机构:
[林也; 蔡雄; 徐智慧; 李鑫] 湖南中医药大学;湖南中医药大学第一附属医院;广东药科大学中药学院;[范伏元] 中医药大学第一附属医院
关键词:
类风湿关节炎;桂枝芍药知母汤;甲氨蝶呤;Meta分析
摘要:
目的:系统评价桂枝芍药知母汤联合甲氨蝶呤治疗类风湿关节炎(RA)的临床疗效。方法:计算机检索中国知网(CNKI)、中国生物医学文献数据库(CBM)、维普中文科技期刊数据库(VIP)、万方数据(WANFANG DATA),设置检索时间为建库至2019年1月,以桂枝芍药知母汤联合甲氨蝶呤治疗RA的临床随机对照试验(RCT)为研究对象。通过2位研究员独立筛选文献,提取文献资料及评估偏倚风险并采用Rev Man 5.3软件对数据进行分析。结果:共纳入13篇文献,总样本量为1151例,其中治疗组588例,对照组563例。Meta分析结果显示,桂枝芍药知母汤合甲氨蝶呤治疗的总有效率[MD=4.92,95%CI(3.32,7.28),P <0.00001]、血沉(ESR)[MD=-7.86,95%CI (-8.55,-7.16),P <0.00001]、C反应蛋白(CRP)[MD=-3.39,95%CI(-4.16,-2.63),P <0.00001]、类风湿因子(RF)[MD=-38.69,95%CI(-41.67,-35.71),P <0.00001]、压痛关节数[MD=-1.90,95%CI(-1.99,-1.81),P <0.00001]、肿胀关节数[MD=-1.39,95%CI(-1.48,-1.31),P <0.00001]均优于对照组。结论:桂枝芍药知母汤联合甲氨蝶呤治疗RA可有效提高总有效率,改善ESR、CRP、RF水平,改善关节功能,其总体疗效优于西药。因纳入研究文献质量和数量不高,影响了研究结果的可靠性,因此其疗效仍需要更多高质量的研究去证明。
语种:
中文
展开
基于表观遗传调控的中药防治类风湿关节炎作用机制研究进展
作者:
林也;李鑫;杨珍;唐琳;张婷;...
期刊:
中国药理学通报 ,2019年35(7):893-897 ISSN:1001-1978
作者机构:
[廖菁; 余黄合; 杨珍] Institute of Innovation and Applied Research in Chinese, Medicine Hunan University of Chinese Medicine, Changsha, 410208, China;[李鑫; 丁长松] Hunan Provincial Key Lab of Diagnostic and Therapeutic Research in Chinese Medicine, Hunan University of Chinese Medicine, Changsha, 410208, China;[唐琳] School of Chinese Materia Medica, Guangdong Pharmaceutical University, Guangzhou, 510006, China;[刘良] State Key Lab of Quality Research in Chinese Medicine, Macau University of Science and Technology, Macau, 999078, China;[林也; 张婷] Institute of Innovation and Applied Research in Chinese, Medicine Hunan University of Chinese Medicine, Changsha, 410208, China, Hunan Provincial Key Lab of Diagnostic and Therapeutic Research in Chinese Medicine, Hunan University of Chinese Medicine, Changsha, 410208, China
关键词:
类风湿关节炎;中药;表观遗传修饰;DNA甲基化;组蛋白修饰
摘要:
表观遗传修饰(epigenetic modifications)代表了调节基因表达的重要机制,使人体能够适应不断变化的环境。应用表观遗传学修饰研究方法是自身免疫疾病机制研究的前沿领域,类风湿关节炎(rheumatoid arthritis, RA)是自身免疫性疾病研究领域的难点之一,其病因不明,发病机制复杂,至今仍然缺乏理想的治疗药物与方法。中医药治疗RA具有独特优势,新近研究发现中药单体成分和复方通过作用于表观遗传修饰而治疗RA。该文拟对表观遗传学在RA发生、发展中的机制,以及中药通过调控表观遗传防治RA的作用进行综述,以期为中药治疗RA临床疗效及其作用机制研究提供新的思路。
语种:
中文
展开
冠心病的中西医结合诊法辩证规律
作者:
李义伟;李毅;邹吉涛;李鑫;王建国
作者机构:
[李义伟; 李毅; 邹吉涛; 李鑫; 王建国] 湖南中医药大学
会议名称:
中国中西医结合学会诊断专业委员会第十三次全国学术研讨会
会议时间:
2019-08-17
会议地点:
中国宁夏银川
会议论文集名称:
中国中西医结合学会诊断专业委员会第十三次全国学术研讨会论文集
关键词:
冠心病;中西医结合;诊法;辩证
摘要:
冠状动脉粥样硬化性心脏病,又称冠心病,在中医学归属"胸痹心痛"范畴。中医对于冠心病有其独特的诊法及其辩证分型,以"望闻问切"四诊贯穿冠心病病因病机的始终。在现代医学的支持下,中医需结合客观检查指标来加深对冠心病辩证规律的认识,以切实提高中医药治疗冠心病的作用。
语种:
中文
展开
中药五味子药理作用研究进展
作者:
余黄合;李鑫;杨珍;林也;严建业;...
期刊:
环球中医药 ,2019年12(07):1133-1138 ISSN:1674-1749
作者机构:
410208 长沙,湖南中医药大学科技创新中心;湖南中医药大学药学院;湖南中医药大学科技创新中心, 长沙,410208;[王元清] 长沙中南林业科技大学生命科学与技术学院;广东药科大学中药学院
关键词:
五味子;药理作用;研究进展
摘要:
五味子是一种常见的补益中药,为木兰科植物五味子干燥成熟果实,最早收载于《神农本草经》上品中药。五味子的药用部位主要是果实、藤茎、枝叶,经过多年的研究发现其化学成分主要为木脂素、多糖、芳香油及三萜类化合物,因其药理作用丰富,有较大的开发和利用价值。随着民间广泛应用和研发的重视,五味子未知的药理作用、药用部位及有效成分不断被挖掘出来。本文将对近几年报道的五味子通过降低转氨酶、炎性因子发挥肝肾保护作用,诱导肿瘤细胞凋亡,抑制肿瘤细胞生长及肿瘤转移等发挥抗肿瘤、镇静催眠、改善记忆力、免疫调节作用等方面的研究进行综述,进一步明确了五味子的有效成分、药效作用及其作用机制。
语种:
中文
展开