简介：为了从期刊文献的学科属性实现族性检索，为文章的分类统计创造条件，本刊2005起均对具有文献标识码的文章采用《中国图书馆分类法》（第四版）进行分类后。标识分类号文章一般标识1个分类号，多个主题的文章可标识2个或3个分类号；主分类号排在第一位，多个分类号之间应以分号分隔。希望有条件查询的作者在来稿时自行标明中图分类号。

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简介：1．中图分类号采用《中国图书馆分类法（第四版）》作为馆藏分类体系，作者可在单位图书馆向管理人员借来这本书查询．或者通过互联网输入以下网址（http：／／www．ztflh．com／）也可查询。本刊稿件一般在“R医药、卫生”和“Q生物科学”中，作者可根据自己文章的研究内容查询详细的中图分类号。

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简介：目的选择弓形虫RH株主要表面抗原P30、P22的有效基因片段和霍乱毒素A2/B亚基共同构建在同一真核表达载体pcDNA3.1(-)上,并保证其连接方向和开放读码框的正确.方法用PCR技术分别从弓形虫RH株基因组DNA和pUAB024-CTXA28/B质粒中扩增编码P30、P22基因片段和CTXA2/B,定向重组入pUC18克隆载体,然后酶切释放P30-P22-CTXA2/B复合基因片段,亚克隆入pcDNA3.1(-)真核表达载体,再经含氨苄青霉索的LB培养基筛选、酶切及测序鉴定.结果酶切产物经电泳显示条带清晰,P30、P22和CTXA2/B基因片段的泳动位置分别在786bp、492bp、512bp的位置,与预计结果一致;测序结果表明插入的基因片段方向及序列均正确.结论成功地构建了真核表达重组质粒pcDNA3.1-P30-P22-CTXA2/B,保证了三个基因连接方向,序列及开放读码框的正确,为下一步融合蛋白P30-P22-CTXAA/B在哺乳动物细胞中的表达及动物实验奠定了基础.

简介：摘要目的对1例临床表征为身材矮小、鼻根部内陷、双侧隐睾、智力低下患儿进行遗传学分析，探讨该染色体结构异常与临床表征之间的关系。方法应用G显带染色体核型分析及染色体微阵列分析(chromosomal microarray analysis，CMA)技术对患儿进行遗传学检测，并对其父母进行外周血染色体核型分析。结果G显带分析结果显示患儿染色体核型为46，Y，der(X)t(X；Y)(p22；q11)，mat。CMA检测结果提示患儿X染色体短臂Xp22.33p22.31存在约8.3 Mb片段缺失，Y染色体长臂Yq11.221qter存在约43.3 Mb片段重复。其父亲染色体核型正常，母亲染色体核型结果为46，X，der(X)t(X；Y)(p22；q11)。结论患儿携带母源性der(X)t(X；Y)(p22；q11)染色体非平衡易位，携带者的表型与其性别以及X染色体缺失片段的大小和位置密切相关。男性携带者智力障碍、生长发育落后等异常表型较女性更为严重。

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简介：近期，王家岭煤矿透水事故现场、青海玉树地震灾区，聚集了公众最关切的目光。随着近年来各地频发的灾害消息呈现在大众面前，广泛推广院前急救培训的必要性也越来越受到重视。

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简介：我院急诊科于2002年1月-2003年12月对22例院前急救中需要开放气道的病员采用食管气管插管(以下简称盲插管)开放气道，取得了较好的效果。

简介：脑电地形图目前分为以下三种,现简介如下:一、自发脑电空间电位分布图(EEGTopography)它主要描记在安静状态下皮层电活动的电位分布状态。即通常所指的脑电地形图(BrainAtlas)或脑电活动地形图(BrainElectricalActivityMapping)。二、诱发电位地形图(EvokedPotentialTopography)

简介：目的：探讨急性肺水肿（APE）的院前使用机械通气治疗的效果和可行性。方法：回顾性分析22例院前实施机械通气抢救APE病人的临床资料。结果：22例病人经现场机械通气治疗，低氧情况均明显好转，没有1例病人返院途中出现心跳骤停等并发症。结论：对于院前APE患者的低氧血症难以用常规治疗纠正者，应果断现场插管和使用机械通气治疗。

简介：摘要目的探索灾难事件中批量伤员院前检伤分类的方法与应用。方法设计制作适合院前使用的检伤分类识别卡，开展检伤分类“START分类法”的规范化培训并通过演练检验使用效果。结果在2015年10月21日举行的“常防-2015（Z02）古里镇消除空袭后果综合演练”的现场急救科目演练中取得了良好效果，“START分类法”与新型检伤分类腕带都得到了成功应用。结论掌握“START”快速检伤分类法、使用合适的标记卡并进行实战化演练，在应对灾难事件中可能出现批量伤员的状况时有着十分积极与重要的意义。

简介：BACKGROUND:Previousstudieshaveshownthatp75neurotrophinreceptorplaysanimportantroleinperipheralnerveinjury.However,theroleofp75neurotrophinreceptorintheregenerationofperipheralnervesremainspoorlyunderstood.OBJECTIVE:Tostudytheeffectofp75neurotrophinreceptoronfacialnerveregeneration.DESIGN,TIMEANDSETTING:ArandomizedcontrolledexperimentwasperformedintheRegenerationLaboratoryofFlindersUniversity,AustraliaandtheBiomedicalLaboratoryofDentistrySchool,ShandongUniversityfromMarch2005toFebruary2006.MATERIALS:CholeratoxinBsubunit,fastblue,andbiotinrabbit-antigoatIgGwereprovidedbySigma,USA;goat-anticholeratoxinBsubunitantibodywasprovidedbyListBiologicals,USA.METHODS:Inp75neurotrophinreceptorknockoutandwildtype129/svmice,thefacialnervesononesidewerecrushed.Atdays2and4followinginjury,regeneratingmotorneuronsinthefacialnucleiwerelabeledbyfastblue,andtheregeneratingaxonwaslabeledbytheanterogradetracercholeratoxinBsubunit.MAINOUTCOMEMEASURES:AxonalregenerativevelocityandnumberweredetectedbyimmunohistochemicalstainingofcholeratoxinBsubunit,growth-associatedprotein,proteingeneproduct9.5,andcalcitonin-gene-relatedpeptide;survivalofmotorneuronsinthefacialnucleiwasdetectedbyretrogradefastblue.RESULTS:Axonalgrowthinthefacialnerveofp75neurotrophinreceptorknockoutmicewassignificantlylessthaninwildtypemice.Atday7afterinjury,thenumberofregeneratingmotorneuronsinp75neurotrophinreceptorknockoutmiceremainedsignificantlylessthaninwildtypemice(P<0.05).Thenumberofpositivelystainedfibersforgrowth-associatedprotein-43,proteingeneproduct9.5,andcalcitonin-gene-relatedpeptideinp75neurotrophinreceptorknockoutmicewassignificantlylessthaninwildtypemice(P<0.01).CONCLUSION:p75neurotrophinreceptorpromotedaxonalregenerationandenhancedthesurvivalrateofmotorneuronsfollowingfacialnerveinjury.

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简介：AbstractAfrican swine fever (ASF) is a highly infectious, transboundary viral disease of domestic and wild pigs, and is currently the most serious threat to world swine production, resulting in significant economic loss. In the absence of vaccines and treatments, the control of the disease entirely depends on accurate and early diagnosis accompanied by the culling of infected pigs. Thus, a highly specific and sensitive diagnostic assay is required during an outbreak and surveillance of the disease. In this study, a highly sensitive, specific, rapid and repeatable P22-monoclonal antibody-based blocking enzyme-linked immunosorbent assay (bELISA) assay was developed for the detection of antibodies against genotype I and II African swine fever viruses(ASFVs). A total of 806 pig serum samples were tested to evaluate the performance of the diagnostic assay. To determine the PI (percent Inhibition) cut-off value, receiver-operating characteristic (ROC) analysis was applied. According to the ROC analysis of the data, 98.10% specificity and 100% sensitivity were recorded when the threshold cut-off value of PI was established at 47%. In addition, the assay was able to detect ASFV antibodies as early as 9 days post-infection when serum samples from experimentally infected pigs were used. Taking all together, the results of the present study indicated that the P22-mAb based bELISA assay can be used for rapid and accurate detection of antibodies against ASFV, which could play a valuable role in the containment and prevention of ASFV as an alternative to other serological diagnostic methods. Also, this study will assist researchers to further investigate the immunogenic importance of P22 protein in ASFV infection.