简介：Inthepresentstudy,aseriesofnovelnitricoxide-hydrogensulfidereleasingderivativesof(S)-3-n-butylphthalide((S)-NBP)weredesigned,synthesized,andevaluatedaspotentialantiplateletagents.CompoundNOSH-NBP-5displayedthestrongestactivityininhibitingthearachidonicacid(AA)-andadenosinediphosphate(ADP)-inducedplateletaggregationinvitro,with3.8-and7.0-foldmoreeffectivenessthan(S)-NBP,respectively.Furthermore,NOSH-NBP-5couldreleasemoderatelevelsofNOandH2S,whichwouldbebeneficialinimprovingcardiovascularandcerebralcirculation.Moreover,NOSH-NBP-5couldrelease(S)-NBPwhenincubatedwithratbrainhomogenate.Inconclusion,thesefindingsmayprovidenewinsightsintothedevelopmentofnovelantiplateletagentsforthetreatmentofthrombosis-relatedischemicstroke.

简介：目的马尾藻类海草wightiiGreville是属于有大约200种类的Sargassaceae家庭的海洋的棕色的水藻。整个干燥植物粉末的ethanolic摘录包含了众多的phytoconstituents，包括flavonoids。学习在老鼠集中于马尾藻类海草wightii的anticancer活动。在二剂量的马尾藻类海草wightii(EESW)的ethanolic摘录铺平的方法被用来用DAL房间线在老鼠检验anticancer活动导致癌症。身体重量，可行、不能生存的肿瘤房间计数，吝啬的幸存时间，寿命的增加，和hematological参数为EESW的anticancer活动被观察。在老鼠的DAL房间的intraperitoneal接种显著地增加了的结果癌症房间计数。在在对待EESW的组癌症动物观察的癌症细胞数字的减少显示测试药在肿瘤细胞增长上有重要禁止的效果。有EESW的治疗也在肿瘤重量显示出重要减少，并且因此增加了对待DAL的老鼠的lifespan。另外，EESW管理显著地在对待DAL的老鼠恢复了hematological参数。现在的学习结果建议摘录提议的那个政府的结论提高了抗氧化剂潜力。因此，EESW拥有anticancer活动，这能从这研究被结束。

简介：Inthepresentstudy,theeffectsofPleurotusnebrodensispolysaccharide(PN-S)ontheimmunefunctionsofimmunosuppressedmiceweredetermined.Theimmunosuppressedmousemodelwasestablishedbytreatingthemicewithcyclophosphamide(40mg/kg/2d,CY)throughintraperitonealinjection.TheresultsshowedthatPN-SadministrationsignificantlyreversedtheCY-inducedweightloss,increasedthethymicandsplenicindices,andpromotedproliferationofTlymphocyte,Blymphocyte,andmacrophages.PN-SalsoenhancedtheactivityofnaturalkillercellsandincreasedtheimmunoglobulinM(IgM)andimmunoglobulinG(IgG)levelsintheserum.Inaddition,PN-Streatmentsignificantlyincreasedthephagocyticactivityofmouseperitonealmacrophages.PN-Salsoincreasedthelevelsofinterleukin-6(IL-6),tumornecrosisfactor-α(TNF-α),interferon-γ(INF-γ),andnitricoxide(NOS)insplenocytes.qRT-PCRresultsalsoindicatedthatPN-SincreasedthemRNAexpressionofIL-6,TNF-α,INF-γ,andnitricoxidesynthase(iNOS)inthesplenocytes.TheseresultssuggestthatPN-Streatmentenhancestheimmunefunctionofimmunosuppressedmice.Thisstudymayprovideabasisfortheapplicationofthisfungusinadjacentimmunopotentiatingtherapyagainstcancerandinthetreatmentofchemotherapy-inducedimmunosuppression.

简介：Cancerisamajorhealthconcernandleadingburdenoneconomyworldwide.Anincreasingeffortisdevotedtoisolationanddevelopmentofplant-deriveddietarycomponentsaseffectivechemo-preventiveproducts.Phytochemicalcompoundsfromnaturalresourcessuchasfruitsandvegetablesareresponsiblefordecreasingtheriskofcertaincancersamongtheconsumingpopulations.Apigenin,aflavonoidphytochemicalfoundinmanykindsoffruitsandvegetables,hasbeenshowntoexertsignificantbiologicaleffects,suchasanti-oxidant,anti-inflammatoryandmostparticularlyanti-neoplasticproperties.Thisreviewisintendedtosummarizethemostrecentadvancesintheanti-proliferativeandchemo-preventiveeffectsofapigeninindifferentcancermodels.Analysisofthedatafromthestudiedcancermodelshasrevealedthatapigeninexertsitsanti-proliferativeeffectsthroughmultipleandcomplexpathways.Thisguidedustodiscoversomecontroversialresultsabouttheexactroleofcertainmolecularpathwayssuchasautophagyintheanticancereffectsofapigenin.Further,therewerecumulativepositiveevidencessupportingtheinvolvementofcertainpathwayssuchasapoptosis,ROSandDNAdamageandrepair.Apigeninpossessesahighpotentialtobeusedasachemosensitizingagentthroughtheup-regulationofDR5pathway.Accordingtothesepreclinicalfindingswerecommendthatfurtherrobustunbiasedstudiesshouldconsiderthepossibleinteractionsbetweendifferentmolecularpathways.

简介：目的：研究徐长卿（CynanchumpaniculatumBge.）中C21甾体化学成分．方法：应用多种色谱柱层析法对徐长卿的乙酸乙酯部位进行化学成分的分离，并通过波谱技术鉴定化合物的结构，结果：分离鉴定了7个C21甾体化合物，分别为3β，14-dihydroxy-14β-pregn-5-en-20-one（Ⅰ），glaucogeninC（Ⅱ），glaucogeninA（Ⅲ），glaucogeninD（Ⅳ），neocynapanogeninF（Ⅴ），glaucogeninC3-O-β-D-thevetoside（Ⅵ），neoeynapanogeninF3-O-β-D-oleandropyranoside（Ⅶ）.结论：化合物Ⅲ、Ⅳ、Ⅵ为首次从该植物中分离得到.

简介：试图从MomordicacharantiaL的新鲜水果调查化学成分。方法化学成分被层析在硅石胶化和octadecylsilanized(ODS)硅石上孤立并且净化胶化，和结构被决定由光谱数据和化学证据。结果A新C30甾醇glycoside，命名25-isopropenylchole-5，(6)-ene-3-O--D-glucopyranoside(1)，从M的新鲜水果被孤立。charantiaL。结论化合物1是新C30甾醇glycoside。

简介：《中国药业史》第3版近日由中国医药科技出版社出版发行。该书是到目前为止唯一全面系统论述中国药业发展历史的专著。全书近48万字，分为药业通史和药业专题史两部分。药业通史共6章，从古代到近代和现代，论述了中国传统药业的形成与发展，包括许多重大历史事件、历史人物和历史成就；专题药业史共9章，

简介：AIM:ToevaluatetheeffectofOcimumsanctumleafextractonthedietarysupplementationinthetransgenicDrosophilamodelofParkinson’sdisease.METHOD:TheeffectofOcimumsanctumleafextractwasstudiedonthetransgenicDrosophilamodeloffliesexpressingnormalhumanalphasynuclein(h-αs)intheneurons.O.sanctumextractatfinalconcentrationsof0.0428×10-4,0.87×10-4,and1.85×10-4g·mL-1ofdietwereestablishedandtheflieswereallowedtofeedfor21days.Theclimbingassayandlipidperoxidationweretakenasparametersforthestudy.RESULTS:ThesupplementationofO.sanctumextractshowedadose-dependentsignificantdelayinthelossofclimbingabilityandreductioninoxidativestressinthebrainofPDmodelflies.CONCLUSION:TheresultsofthepresentstudyshowedthattheO.sanctumextractispotentinreducingthePDsymptomsintransgenicDrosophilamodel.

简介：

简介：ThepresentstudywasdesignedtoisolateandcharacterizetheanalgesiccompoundsofArtemisasacrorumLedeb.TheEtOAccrudeextractsfromtheaerialpartsofArtemisasacrorumLedebwereseparatedbychromatographyandthestructuresofnewcompoundswereelucidatedbasedonspectralanalyses.Analgesicactivitiesoftheisolatedcompoundswereassessedinratswithhotplatetestandpawpressureassay.TwonewflavoneC-glycosides,namedasSacrorosideAandB(Compounds1and2)wereisolatedfromtheEtOAccrudeextractoftheaerialpartsofArtemisasacrorumLedeb.Theyshowedsignificantanalgesiceffects.Inconclusion,Compounds1and2arenewnaturalproducts,whichshowsignificantanalgesiceffectsinadose-dependentmanner.

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简介：目的：从柴胡种胚角度探讨不同种质柴胡萌发问的差异情况。方法：利用OLYMPUS体式显微镜观察3种柴胡（ZC、SX和GS种质）种子胚形态发育过程。结果：3种种质柴胡种子均经历球形胚、心形胚、鱼雷形胚及成熟胚阶段，进而完成柴胡种子休眠状态。由收获时柴胡种子的胚大小、胚率及胚所处时期3个指标来看，ZC种子休眠较浅，GS次之，而SX种子具有较深的胚休眠。结论：GS、SX、ZC柴胡与三岛柴胡一样，种子均具有形态后熟特性，只在发芽时间长短上存在差异。

简介：近年来随着分子生物学等研究手段的成熟和深入，一些研究成果显示CYP3A基因表达与机体各种状态具有较高的相关性。不同机体状态的表达不同，药物作用于不同机体状态的治疗及预后就有差异，CYP3A表达酶谱的阐明为研究CYP3A功能及其与疾病的关系提供了有益的参考。

简介：AnovelPleurotusnebrodensispolysaccharide(PN-S)waspurifiedandcharacterized,anditsimmune-stimulatingactivitywasevaluatedinRAW264.7macrophages.PN-SinducedtheproliferationofRAW264.7cellsinadose-dependentmanner,asdeterminedbytheMTTassay.AfterexposuretoPN-S,thephagocytosisofthemacrophageswassignificantlyimproved,withremarkablechangesinmorphologybeingobserved.FlowcytometricanalysisdemonstratedthatPN-SpromotedRAW264.7cellstoprogressthroughSandG2/Mphases.PN-Streatmentenhancedtheproductionsofinterleukin-6(IL-6),nitricoxide(NO),interferongamma(INF-γ),andtumornecrosisfactor-α(TNF-α)inthemacrophages,withup-regulationofmRNAexpressionsofinterleukin-6(IL-6),induciblenitricoxidesynthase(iNOS),interferongamma(INF-γ)andtumornecrosisfactor-α(TNF-α)beingobservedinadose-dependentmanner,asmeasuredbyqRT-PCR.Inconclusion,theseresultssuggestthatthepurifiedPN-Scanimproveimmunitybyactivatingmacrophages.

简介：1进出口概况2012年1～3月份我国中药进出口额7．58亿美元，同比增长9．42％，其中进口额为1．69亿美元，同比增长20．46％；中药出口额为5．89亿美元，同比增长6．62％。

简介：

简介：目的：研究朝鲜淫羊藿Epimediumkoreanum有效部位中的化学成分.方法：70％乙醇提取，大孔树脂柱纯化得有效部位；运用HPLC—MS^3联用技术分析化合物结构.结果：从朝鲜淫羊藿有效部位中鉴定出9个化合物.结论：HPLC—MS^3能简单、快速的分析朝鲜淫羊藿黄酮苷类化学成分.

简介：目的:研究黄山药(DioscoreapanthaicaPrainetBurkill)的化学成分,寻找新的活性物质.结果:分离鉴定了3个C27甾体皂苷,其结构分别鉴定为26-O-β-D-吡喃葡萄糖基-(25R)-呋甾烷-5-烯-3β,22ξ,26-三醇3-O-α-L-吡喃鼠李糖基-(1→2)-β-D-吡喃葡萄糖苷(protobiosideⅠ),26-O-β-D-吡喃葡萄糖基-(25R)-呋甾烷-5-烯-3β,22ξ,26-三醇3-O-β-D-吡喃葡萄糖基-(1→4)-[α-L-吡喃鼠李糖基-(1→2)]-β-D-吡喃葡萄糖苷(deltosideⅡ),26-O-β-D-吡喃葡萄糖基-(25R)-呋甾烷-5-烯-3β,22ξ,26-三醇3-O-β-D-吡喃葡萄糖基-(1→3)-β-D-吡喃葡萄糖基-(1→4)-[α-L-吡喃鼠李糖基-(1→2)]-β-D-吡喃葡萄糖苷(Ⅲ).结论:以上化合物均为首次从该植物中分到.与文献报道的从该植物中分到的化合物进行比较,认为文献报道的化合物可能为药材久放后的酶解产物或提取分离过程中的人工产物.

简介：3月份综合200指数略有走低,报收于2626.8点,较2月份同期环比下降0.43％.从各分类板块指数情况来看,3月份涨幅居首的板块是野生99指数上涨幅度达到4.27％;感冒40指数比2月份上涨2.06％.其余板块均有所下滑,香料20指数比2月份下跌3.84％,跌幅居首;滋补40板块比2月份下跌1.5％;家种100指数比2月份下跌1.35％.

简介：目的：研究四逆汤及拆方水煎液对体外培养的缺血缺氧大鼠心肌细胞H9C2的保护作用。方法：利用厌氧培养盒构建厌氧环境,以D-Hanks液模拟缺血液,构建H9C2的缺血缺氧模型;将加有D-Hanks稀释过的四逆汤及拆方水煎液的H9C2置于厌氧盒中培养,MTT法测定H9C2的存活率;ELISA法测定细胞培养上清中肿瘤坏死因子-α（TNF-α）、肌酸激酶同工酶（CK-MB）的含量。结果：四逆汤及拆方加药组（四逆汤加药组、附子＋干姜加药组、附子＋甘草加药组、甘草＋干姜加药组、甘草加药组、附子加药组、干姜加药组）在浓度均为5mg生药/ml时,与模型组比较均能提高H9C2的存活率;其中附子＋干姜组（108.2±5.0）、四逆汤全方组（82.3±2.0）、附子组（78.4±10.0）均能明显提高缺血缺氧H9C2的存活率;细胞上清中CK-MB含量与TNF-α含量呈正相关（r=0.866）,细胞存活率与TNF-α含量呈负相关（r=-0.0846）。结论：四逆汤及拆方水煎液通过抑制细胞TNF-α的释放,显著减少H9C2的凋亡,提高细胞存活率,对缺血缺氧的H9C2有直接保护作用。