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简介：摘要：超声检查是在孕期里面非常重要的一项检查，是一种无创性的检查，方便快捷，目前超声检查的技术已越来越受到人们的关注和认可，作为在孕期里面非常重要的一项检查，检查过程安全、可靠，可以反复检查，而且对孕妇和胎儿的健康没有危害。通过孕期超声检查可以排除畸形胎儿，使孕妈们放心生产。故一般孕期基本要做五次超声检查，来进行胎儿的检查。

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简介：【 摘要】 目的：对 5G+ 云视讯在伊犁河谷精准医疗新模式打造中的运用进行深入探究。 方法：通过 5G+ 云视讯方式 对 伊犁州友谊医院 2019 年 8 月所收治的 1 名 巨大肝 AE切除十自体肝移植患者手术过程进行实时直播，对整个直播过程及其效果进行探究分析。 结果： 5G+ 云视讯的运用下，整个直播过程画面清晰稳定，实现了多手术室实时会诊，手术过程顺利进行。 结论： 5G+ 云视讯对于伊犁河谷精准医疗新模式的构建具有重要意义，值得深入探究。

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简介：InordertorevealvariationandrevolutionofNPgenesofhumanavianH_5N_1influenzavirusstrains,theNPgeneofahumanavianH_5N_1influenzavirusstraininGuangdongwassequencedandtheglobalNPgenesofstrainswereretrieved.ThesequenceswereanalyzedbyDNAStar5.0,andtheevolu-tionaryspeedwasstudiedwithreferencetotheepidemiologicaldata.ItwasfoundthatNPgenesof45strainsduring1997-2006werehomologicallyclassifiedintothreegroups:strainsin1997-1998,strainsin2004-2005andstrainsfrom2003to2006.Therewere35substitutionsinNPsinallstrainsaccountingforaratioof7.03%(35/498).Anadditionalglycoproteindomain(NGT_(430-432))wasfoundinNPgenesinthestrainsof2003-2006,themutationofN_(370)SinGD-01-06resultedinoccurrenceofonemoreglyco-proteindomain(NES_(368-370)).Inthesynonymousvariation,K_svaluesinNPwere2.03×10~(-5)-2.55×10~(-5)Nt/dandK_avaluesinNPwere1.58×10(-6)-3.10×10~(-6)Nt/d.Theredidn′texistobviouslyselectivepres-sure.Anadditionalglycoproteindomainineverystrainof2003-2006andonemoreinstrainGD-01-06mightchangetheantigenicityofhumanavianH_6N_1influenzavirus.ThevariationonhumanavianH_5N_1influenzastrainsoccurredfrequentlyinthenaturalworld,whichwouldresultinhighprobabilityofhu-man-humantransmissionalongwiththenaturalevolutionofthevirus.

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简介：Theimmuneefficiencyofarecombinantadenovirustype5withtype35fibercontainingHIV-1gaggene(rAd5/F35-mod.gag)wasinvestigatedinBALB/cmice,inwhichtherAd5/F35-mod.gagwasfirstlyidentifiedwithPCR,thentransfectedto293cellsandtheinvitroexpressionlevelofGagproteinwasdeterminedbyWesternblottingandindirectimmuno-fluorescentassay.MicewereimmunizedwithintramuscularinjectionsofrAd5/F35-mod.gag,rAd5-mod.gagorDNAandwereboostedafter3weeks.Totesttheeffectofpre-existinganti-viralimmunityonimmunization,micewerealsoinjectedwithAd5-GFPvectorandthenimmunized4and7weekslaterwithAd5/F35-mod.gagvector.TheP24-specificIgGantibodyinseraofimmunizedmicewasdeterminedbyELISAandthespecificcytotoxicTlymphocyte(CTL)responsewasassayedbyintracellularcytokinestaining.ItwasdemonstratedthattherAd5/F35-mod.gagvectorcouldexpressefficientlytheHIVGagproteinin293cellsinvitroandinducestrongHIV-specificimmuneresponsesinvivo.ThestrongestCTLandserumIgGresponseoccurredwhenmicewereimmunizedtwicewithinjectionofrAd5/F35alone,buttheanti-Ad5antibodyafterprimaryinfectionwithadenoviruscouldinhibitthespecificimmuneresponsesinducedbyrAd5/F35vector.ItisconcludedthatsingleimmunizationwithrecombinantadenovirusrAd5/F35-mod.gagcaninducespecificCTLandserumIgGantibodyresponsesinmice,buttheimmunogenicityofrAd5/F35iscomparablyweakerthanthatofrAd5.

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