TYK2-IN-2-HNMR-27058-MedChemExpress
人参皂苷治疗骨性关节炎的研究进展
特产研究163Special Wild Economic Animal and Plant ResearchDOI:10.16720/ki.tcyj.2023.093人参皂苷治疗骨性关节炎的研究进展郭校妍1,张伟东1,张扬1※(吉林大学药学院,吉林长春130021)摘要:人参在防治关节软骨损伤退变及参与体外培养软骨细胞修复关节软骨缺损中具有较好治疗前景。
人参皂苷作为人参的主要药理活性成分,在治疗骨性关节炎的进程中发挥关键作用。
人参皂苷根据不同的结构被分为不同的类型,各类型均含有多种人参皂苷单体成分,其治疗骨性关节炎的机制也各不相同。
本文对不同人参皂苷单体治疗骨性关节炎的研究进行梳理和总结,探讨其治疗骨性关节炎的潜在可能性和作用机制,为后期临床应用提供依据。
关键词:骨性关节炎;人参皂苷;信号通路中图分类号:R285文献标识码:A文章编号:1001-4721(2023)03-0163-06Research Progress of Ginsenosides in the Treatment of OsteoarthritisGUO Xiaoyan1,ZHANG Weidong1,ZHANG Yang1※(School of Pharmaceutical Sciences,Jilin University,Changchun130021,China)Abstract:Ginseng has pharmacological effects such as anti-inflammatory,antioxidant,antidepressant,anti-Alzheimer's and anti-athero-sclerosis.Current studies have found that it has good therapeutic prospects in preventing degeneration of articular cartilage damage and parti-cipating in in vitro culture of chondrocytes to repair articular cartilage defects.Ginsenosides,as the main pharmacological active component of ginseng,also play an important role in the process of treating osteoarthritis.Ginsenosides can be classified into different types because of their different structures,and each type contains a variety of ginsenoside monomer components with different mechanisms for the treatment of osteoarthritis.In this paper,we review the research progress of different ginsenoside monomers in the treatment of osteoarthritis,and ex-plore their potential possibilities and mechanisms for the treatment of osteoarthritis,so as to provide a basis for later clinical application. Key words:osteoarthritis;ginsenosides;signaling pathway骨性关节炎(Osteoarthritis,OA)是一种退行性病变,系由于增龄、肥胖、遗传、劳损、创伤、关节先天性异常和关节畸形等诸多因素引起的关节软骨退化损伤、关节边缘和软骨下骨反应性增生。
FDA批准的精准医疗诊断体外器械一览表List of Cleared or Approved Companion Diagnostic Devices
Drug Trade Name
NDA/BLA
Device Trade Name
PMA
Device Manufacturer
Intended Use (IU)/ Indications for Use (IFU)
(imatinibmesylate)
NDA 021588
The c-KitpharmDxis indicated as an aid in the differential diagnosis of gastrointestinal stromal tumors (GIST). After diagnosis of GIST, results from c-KitpharmDxmay be used as an aid in identifying those patients eligible for treatment withGleevec/Glivec(imatinibmesylate).
(deferasirox)
Gilotrif
NDA 201292
therascreenEGFR RGQ PCR Kit
P120022
QiagenManchester, Ltd.
ThetherascreenEGFR RGQ PCR Kit is a real-time PCR test for the qualitative detection of exon 19 deletions and exon 21 (L858R) substitution mutations of the epidermal growth factor receptor (EGFR) gene in DNA derived from formalin-fixed paraffin-embedded (FFPE) non-small cell lung cancer (NSCLC) tumor tissue. The test is intended to be used to select patients with NSCLC for whom GILOTRIF (afatinib), an EGFR tyrosine kinase inhibitor (TKI), is indicated. Safety and efficacy of GILOTRIF (afatinib) have not been established in patients whose tumors have L861Q, G719X, S768I, exon 20 insertions, and T790M mutations, which are also detected by thetherascreenEGFR RGQ PCR Kit.
黄芩素通过调节HIF-1α
黄芩素通过调节HIF -1α/VEGF 信号通路抑制类风湿关节炎大鼠的炎症反应和病理性血管生成*杜红丽1,张晨宇1,赵清2△[1河南中医药大学第五临床医学院(郑州人民医院)风湿免疫科,河南郑州450053;2河南大学淮河医院风湿免疫科,河南开封475099][摘要]目的:探讨黄芩素(BA )调节缺氧诱导因子1α(HIF -1α)/血管内皮生长因子(VEGF )信号通路对类风湿关节炎(RA )大鼠炎症反应和病理性血管生成的影响。
方法:按照随机数字表法将SD 大鼠分为对照(control )组、模型(model )组、低剂量(10mg/kg )BA (BA -L )组、高剂量(30mg/kg )BA (BA -H )组、雷公藤多苷片(TWP ;6.25mg/kg )组和BA -H+HIF -1α激动剂二甲基草酰甘氨酸(DMOG ;40mg/kg )组,每组12只。
除control 组外,其它组大鼠均采用II 型胶原蛋白-完全弗氏佐剂法诱导RA 大鼠模型。
第2次免疫24h 后开始给药处理,每天给药一次,持续4周。
检测大鼠在给药第0、7、14和28天时的足趾肿胀度,计算关节炎指数;计算大鼠胸腺和脾脏指数;HE 染色检测大鼠踝关节滑膜组织病理损伤;ELISA 法检测大鼠踝关节滑膜组织中肿瘤坏死因子α(TNF -α)和白细胞介素6(IL -6)水平;免疫组化检测大鼠踝关节滑膜组织中VEGF 和VEGF 受体2(又称激酶插入域受体,KDR )表达;Western blot 检测各组大鼠踝关节滑膜组织中HIF -1α和VEGF 蛋白表达。
结果:与control 组比较,model 组大鼠踝关节滑膜组织病理损伤严重,足趾肿胀度、关节炎指数、胸腺和脾脏指数,以及滑膜组织TNF -α、IL -6、VEGF 、KDR 、HIF -1α和VEGF 水平均显著升高(P <0.05);与model 组比较,BA -L 组、BA -H 组和TWP 组对应指标变化趋势与上述相反(P <0.05);BA -H 组与TWP 组比较,上述指标变化差异无统计学意义(P >0.05);DMOG 减弱了BA -H 对RA 大鼠炎症反应和病理性血管生成的抑制作用。
QPCR及QRT-PCR系列产品
Invitrogen的ICFC系列产品促销1.QPCR及QRT-PCR系列产品Invitrogen公司专门为中国客户提供的定量PCR试剂盒,结合了 UDG 防止残余污染技术和SYBR® Green I 荧光染料(存在于SYBR® Green I荧光定量PCR试剂盒中),在美国接受了严格的质量监控,可提供极高灵敏度的目的序列定量检测,线性剂量低,反应浓度范围很大。
qPCR Supermix-- 即用型反应剂,专为高特异性、实时定量DNA扩增设计UDG-- 防止携带污染物,减少克隆片段假阳性结果ROX参考染料-- 适用ABI仪器的校正染料产品信息活动时间:即日起至2009年4月30日2.Gibco南美胎牛血清即日起凡优惠价¥1780购买Gibco胎牛血清500ml(目录号:C2027050)即可获赠送价值¥250现金抵用券。
您可以凭现金抵用券在英韦创津公司购买任何商品,此券有效期至2009年5月31日。
产品信息活动时间:即日起至2009年4月30日独特的采集方式:GIBCO采用无菌心脏穿刺的方式采血原装直送,避免污染:原产地采集、加工、检测、包装。
完善的质控:采集、处理、检测、运输等环节都有文件和证书。
3.Invitrogen TA Cloning克隆产品专门用于克隆Taq聚合酶扩增的PCR产物。
采用pCR载体,能产生80%以上的重组产物,90%以上重组产物都包含插入片段。
产品信息活动时间:即日起至2009年5月31日附:pCR载体优点及图谱:3’-T突出端可直接连接Taq扩增的PCR产物可选择T7或T7和Sp6启动子进行体外RNA转录和测序侧向EcoRⅠ位点的通用多接头位点方便了插入片段的切离可以选择卡那霉素或氨苄青霉素进行筛选非常简便的蓝/白克隆筛选具有M13正向和反向引物位点,方便测序4.GIBCO液体培养基系列产品创立近50年的历史,品质优秀,产品种类丰富;为了中国用户利益,特建立国内生产线;所有产品,从原材料到生产全部按照GIBCO质量标准进行,每批均送抵美国公司总部质检合格后,才在国内销售。
糖尿病患者诊断应用血清C肽及糖化血红蛋白联合检测的价值分析
DOI:10.16658/ki.1672-4062.2023.14.085糖尿病患者诊断应用血清C肽及糖化血红蛋白联合检测的价值分析倪胜南,陈少,陈一鸣泗阳康达医院检验科,江苏宿迁223700[摘要]目的探讨糖尿病患者诊断应用血清C肽联合糖化血红蛋白检测的价值。
方法将2022年1月—2023年1月泗阳康达医院收治的74例疑似糖尿病患者作为研究对象,检测入组患者糖化血红蛋白(glycosylated hemoglobin, HbA1c)以及血清C肽水平,以口服葡萄糖耐量试验(glucose tolerance test check, OGTT)为金标准,统计血清C肽联合糖化血红蛋白检测与单一项目检测的敏感性、特异度和诊断符合率。
结果74例疑似糖尿病患者根据葡萄糖耐量试验结果,确诊患者67例,确诊率为90.54%(67/74);与血清C肽、HbA1c单一检测相比,血清C肽+HbA1c联合检测敏感度更高,差异有统计学意义(P<0.05);血清C肽+HbA1c联合检测的特异度略高于血清C肽、HbA1c单一检测,但差异无统计学意义(P>0.05);联合检测诊断符合率明显高于血清C 肽、HbA1c单项检测,差异有统计学意义(P<0.05)。
结论血清C肽与糖化血红蛋白是临床诊断糖尿病的重要参考指标,二者表达水平的变化有助于检测患者胰岛素分泌功能,评估疾病严重程度,两者联合检验灵敏性与特异度良好,有助于早期明确诊断,临床参考价值较高。
[关键词] 糖尿病;血清C肽;糖化血红蛋白;诊断价值[中图分类号] R446.1 [文献标识码] A [文章编号] 1672-4062(2023)07(b)-0085-04Analysis of the Value of the Diagnostic Application of Combined Serum C-peptide and Glycosylated Hemoglobin Testing in Patients with Diabetes MellitusNI Shengnan, CHEN Shao, CHEN YimingDepartment of Laboratory Medicine, Siyang Kangda Hospital, Suqian, Jiangsu Province, 223700 China[Abstract] Objective To explore the value of applying serum C-peptide combined with glycated hemoglobin test for the diagnosis of diabetic patients. Methods A total of 74 patients with suspected diabetes admitted to Siyang Kangda Hospital from January 2022 to January 2023 were selected as the research objects. The levels of glycosylated hemoglo‐bin (HbA1c) and serum C-peptide were detected. Oral glucose tolerance test (OGTT) was used as the gold standard. The sensitivity, specificity and diagnostic coincidence rate of serum C-peptide combined with glycosylated hemoglo‐bin detection and single item detection were statistically analyzed. Results According to the results of glucose toler‐ance test, 67 patients were diagnosed in 74 patients with suspected diabetes, and the diagnosis rate was 90.54% (67/ 74). Compared with the single detection of serum C-peptide and HbA1c, the sensitivity of combined detection of se‐rum C peptide and HbA1c was higher, and the difference was statistically significant (P<0.05). The specificity of com‐bined detection of serum C-peptide and HbA1c was slightly higher than that of single detection of serum C-peptide and HbA1c, but the difference was no statistically significant (P>0.05). The diagnostic coincidence rate of combined detection was significantly higher than that of single detection of serum C-peptide and HbA1c, and the difference was statistically significant (P<0.05). Conclusion Serum C-peptide and glycosylated hemoglobin are important reference indexes for clinical diagnosis of diabetes mellitus, and changes in the expression levels of the two can help to detect the insulin secretion function of patients and assess the severity of the disease. The sensitivity and specificity of the [作者简介]倪胜南(1991-),女,本科,主管检验师,研究方向为免疫学、分子生物学检验。
安捷伦产品目录
15
Real-Time PCR
16
Mx3000P QPCR System
17
Brilliant III Ultra-Fast SYBR Green QPCR and QRT-PCR Reagents
18
Brilliant III Ultra-Fast QPCR and QRT-PCR Reagents
Agilent / STRATAGENE
Agilent website: /genomics
Welgene | Agilent Stratagene
威健股份有限公司 | Stratagene 總代理
Table of Content
Table of Contents
/ XL1-Red Competent Cells SoloPack Gold Supercompetent Cells
/ TK Competent Cells Specialty Cells
/ Classic Cells / Fine Chemicals For Competent Cells
適用於 UNG 去汙染或 bisulphite
sequencing
適用於 TA Cloning
最高敏感性
取代傳統 Taq 的好選擇
-
2
威健股份有限公司 | Stratagene 總代理
PCR Enzyme & Instrument
Agilent SureCycler 8800
市場上領先的 cycling 速度和 sample 體積 10 ~ 100 μL 簡易快速可以選擇 96 well 和 384 well 操作盤 優秀的溫控設備讓各個 well 都能保持溫度的穩定 七吋的高解析度觸控螢幕讓操作上更為簡便 可以透過網路遠端操控儀器及監控儀器 Agilent 專業的技術支援可以幫助您應對各種 PCR 的問題
希森美康血凝仪
CS-2100i/2000i根据SYSMEX在血栓与止血领域多年积累的经验,为全面满足各类实验室的需求率先开发CS-2100i/2000i。
四种方法学:凝固法/发色底物法/免疫比浊法/聚集法unique!多波长高精度光学检测:5种波长检测提供可靠数据新型智能监测:特有的HIL check 功能排除溶血/黄疸/脂血干扰更多新检测项目的选择:FXIII,vWF:Rco等更可靠的实验室质量保证:SNCS实时在线质控全面满足血栓与止血检测需求!CA-7000以全球最快的分析速度提供全面和高精准的止凝血项目检测结果,仪器集中了凝固法,发色底物法和免疫法于一体,设计高度人性化和智能化,操作简便,成为大规模实验室的首选。
● 多参数测试,500测试/小时高速分析能力● 操作简便,灵活对待各种需求● 优秀的试剂管理系统(SRS)● 安全、实用的系统设计● 大容量的数据管理能力,完整的质控系统CA-1500汇集了当今血栓/止血分析仪最新的各种先进功能于一身,是市场上少见的性能/价格比极高的一台仪器,是大型教学医院,综合医院实验室的首选。
它具有快速处理能力,最快180测试/小时,集多种检测功能于一身:凝固法、发色底物法、免疫法。
具有全能随机组合能力,两种方法测定纤维蛋白质,适合常规大量和急诊使用。
● 拥有高速处理能力、随机测试功能和自动再检查功能● 三种分析方式,包括多规则监视的广泛质控文件和平行线生物分析功能● 卓越的性能可以灵活适应实验室的多样化需求CA-500系列CA-500系列包含了六款机型,设计新颖、符合经济原则,是各中小型实验室开展血栓/止血实验的最佳选择,也是半自动升级到全自动的理想机型。
小型台式仪实用可靠,具备三种检测系统即凝固法、发色底物法、免疫法的自由组合用户可根据需要选择相应机型。
CA-50设计上完全沿用了全自动CA系列的检测原理,锁定人为误差因素的设计确保它有别于其他半自动血凝仪,达到全自动仪器的准确性与重复性效果,四通道即可批量检测又可单独检测,内置质控文件,适用于小标本量实验室使用。
氰基硼氢化钠还原胺化京尼平合成拟生物碱与活性
氰基硼氢化钠还原胺化京尼平合成拟生物碱与活性秦杰琛 1),曾小娟 1),张韶湘 1),张晓梅 2),刘鑫洋 1),邹 澄 1),赵 庆 2)(1)昆明医科大学药学院暨云南省天然药物药理重点实验室,云南 昆明 650500;2)云南中医药大学中药学院,云南 昆明 650500)[ 摘要 ] 目的 以京尼平苷为原料通过还原胺化反应合成拟生物碱的方法。
方法 京尼平与胺类化合物在氰基硼氢化钠存在下进行还原反应:京尼平与芳基乙胺的甲醇溶液混合后,加入过量氰基硼氢化钠,放置室温下反应3d,产物经石油醚-异丙醇-二乙胺,石油醚-乙酸乙酯等洗脱分离。
结果 合成共得到9个拟生物碱并对部分拟生物碱进行活性筛选,找到治疗Ⅱ型糖尿病的PTP1B 抑制剂。
结论 部分受试化合物对PTP1B 有抑制作用。
一系列活性衍生物的获得为化合物结构及其生物活性间的构效关系研究打下了基础,有利于寻找具有更高活性的PTP1B 抑制剂。
[ 关键词 ] 京尼平; 拟生物碱; 还原胺化; 抗PTP1B 活性[ 中图分类号 ] R284.1 [ 文献标志码 ] A [ 文章编号 ] 2095 − 610X (2021)02 − 0018 − 05Reductive Amination of Genipin with NaBH 3CN toSynthesize Alkaloid-likes and BioactivityQIN Jie-chen 1),ZENG Xiao-juan 1),ZHANG Shao-xiang 1),ZHANG Xiao-mei 2),LIU Xin-yang 1),ZOU Cheng 1),ZHAO Qing 2)(1) School of Pharmaceutical Science & Yunnan Key Laboratory of Pharmacology for Natural Products ,Kunming Medical University ,Kunming Yunnan 650500; 2) Faculty of Pharmacy ,Yunnan University of Chinese Medicine ,Kunming Yunnan 650500,China )[Abstract ] Objective To explore a method for the synthesis of alkaloid-likes from Genipin by reductive amination is reported. Methods The reduction of Genipin and amines in the presence of sodium cyanoborohydride:after the methanol solution of Genipin and arylethylamine was mixed,excessive sodium cyanoborohydride was added and the reaction was kept at room temperature for 3 days. The product was eluted and separated on silica gel by petroleum ether-isopropyl alcohol-diethylamine and petroleum ether-ethyl acetate. Results Nine alkaloid-likes were synthesized. Some alkaloid-likes were screened for inhibition activity of PTP1B enzyme for Ⅱ diabetes treatment. Conclusions All of the tested compounds have a certain inhibitory effect on PTP1B. The acquisition of a series of active derivatives has laid a foundation for the study of the structure-activity relationship between the compounds and their bioactivities,so as to facilitate the search for more active PTP1B inhibitors.[Key words ] Genipin;Alkaloid-likes;Reductive amination;Inhibition activity against PTP1B目前,通过发现先导化合物是现代新药研发的重要出发点,研究者对具有特定生物活性的先导化合物,利用生物、化学方法进行结构修饰,从而减少化合物毒副作用,提高化合物的活性,增强其生物利用度,最终找到一些作用效果明显,副作用少的新药应用于临床治疗。
双氢青蒿素通过调节TGF-β
doi:10.3969/j.issn.1000-484X.2023.09.011双氢青蒿素通过调节TGF-β/Smad通路改善小鼠接触性皮炎①孙鸣远②金权鑫③张馨元张琪李芳芳金桂花(延边大学医学院免疫学与病原生物学教研室,延吉 133002)中图分类号R284.2 文献标志码 A 文章编号1000-484X(2023)09-1852-06[摘要]目的:探讨双氢青蒿素(DHA)对小鼠接触性皮炎(CHS)的抑制作用及机制。
方法:0.5%2,4-二硝基氟苯(DNFB)涂抹小鼠腹部连续2 d致敏,5 d后用0.25%DNFB涂抹左耳发敏,右耳涂抹丙酮和橄榄油混合液作为对照,于致敏前2 d灌胃给予DHA处理。
HE染色观察小鼠皮肤组织病理学变化,免疫组化染色观察小鼠耳部皮肤CD4+T、CD8+T细胞浸润情况,测定脾脏指数。
ELISA检测血清IL-6、IFN-γ、IL-10、TGF-β和单核细胞趋化蛋白(MCP)-1变化,Western blot检测皮肤Smad2和Smad3磷酸化水平,流式细胞术检测皮肤和脾脏免疫细胞浸润情况。
结果:DHA可显著改善CHS小鼠耳朵肿胀、皮肤红斑及脾脏指数(P<0.05)。
组织病理学结果显示,DHA处理可明显抑制CHS小鼠皮肤增厚和炎症细胞浸润。
流式细胞术结果显示,DHA处理后皮肤和脾脏中浸润的CD4+T细胞、CD8+T细胞、树突状细胞和巨噬细胞显著减少(P<0.05)。
ELISA结果显示,相对于模型组,DHA处理组血清IL-6、IFN-γ、TGF-β和MCP-1水平明显降低(P<0.05)。
Western blot结果表明DHA处理显著抑制皮肤Smad2和Smad3磷酸化水平(P<0.05)。
结论:DHA通过减少免疫细胞浸润和调节TGF-β/Smad信号传导抑制CHS,为治疗CHS提供了新的药物选择和实验依据。
[关键词]接触性皮炎;双氢青蒿素;TGF-β;Smad2/3Dihydroartemisinin ameliorates contact hypersensitivity in mice by regulating TGF-β/Smad signaling pathwaySUN Mingyuan, JIN Quanxin, ZHANG Xinyuan, ZHANG Qi, LI Fangfang, JIN Guihua. Department of Immunology and Pathogenic Biology, Yanbian University Medical College, Yanji 133002, China[Abstract]Objective:To investigate inhibition of dihydroartemisinin (DHA) on contact hypersensitivity (CHS) in mice and its mechanisms. Methods:Mice were sensitized with 0.5%2,4-dinitrofluorobenzene (DNFB)on shaved abdominal flank skin for 2 consecutive days, and CHS was elicited by 0.25%DNFB on left ear 5 days later. Right ear was treated with acetone/olive-oil alone as control. Mice were given DHA orally 2 days before sensitization. Skin histopathological changes were observed by HE staining,infiltra‐tions of CD4+T and CD8+T cells in ear skin were observed by immunohistochemical staining, and spleen index was detected. Serum IL-6,IFN-γ, IL-10, TGF-β and monocyte chemotactic protein (MCP)-1 changes were detected by ELISA, skin Smad2 and Smad3 phos‐phorylation levels were detected by Western blot,and skin and spleen immune cells infiltration were detected by flow cytometry. Results:DHA significantly improved ear swelling, skin erythema and spleen index of CHS mice (P<0.05). Histopathological analysis revealed that degree of edema and cellular infiltration were markedly decreased in DHA-treated CHS mice. Flow cytometry results show that DHA treatment significantly decreased CD4+T cells, CD8+T cells, dendritic cells and macrophages infiltration in ear skin and spleen (P<0.05). ELISA results showed that DHA treatment also diminished serum levels of IL-6, IFN-γ, TGF-β and MCP-1 compared with model group (P<0.05). Western blot showed that Smad2 and Smad3 phosphorylation were normalized by DHA treat‐ment (P<0.05). Conclusion:DHA suppresses CHS by reducing infiltration of immune cells and regulating TGF-β/Smad signaling pathway, which provides a new drug selection and experimental basis for CHS treatment.[Key words]Contact hypersensitivity;Dihydroartemisinin;TGF-β;Smad2/3①本文为国家自然科学基金项目(81960305)。