简介：患者,女,43岁。因右侧鼻塞伴出血在当地医院发现右鼻腔新生物,行手术切除。1个多月后再次出现右侧鼻塞伴出血。于2001年3月收入本科。检查见右侧鼻中隔利特尔区有一紫红色、表面光滑,触之易出血,直径约1.0cm的新生物。拟诊鼻中隔血管瘤型息肉,在表面麻醉下行新生物切除,基底部有弥漫性渗血,压迫止血,并于基底部注入50%葡萄糖注射液,标本送检。病理报告为鼻中隔高分化鳞状细胞癌。转上级医院行

简介：1病例报告男,27岁,右眼外突胀痛2mo余,无外伤及手术史.心、肺、肝、肾正常.左眼无改变.右眼视力手动/眼前,眼球高度外突,突出度28(105)16mm,眶压+++,眶周有压痛.右眼球各方向运动均明显受限,眼位向外下偏斜.睑球结膜稍充血,水肿.角膜透明,无KP.

简介：患女，3岁。家长发现其右眼内有白色球状物质。外院诊断为“右眼玻璃体积血”。家长否认患儿既往有眼病和外伤史，否认全身其他系统严重的器质性疾病。眼科检查：右眼眼压Tn＋1。眶缘光滑，未扪及肿物。角膜透明，色素性KP（＋）。前房深浅正常，下方见数枚球形白色物质，直径约1～2min。虹膜表面新生血管。瞳孔散大，直径约6min，对光反应迟钝，

简介：患儿,女1岁10个月.因鼻塞、双眼球突出2月余伴皮疹半个月而就诊,患儿2个月前无明显诱因出现持续性鼻塞,在当地诊断为"急性鼻炎"给"呋麻液"滴鼻治疗,但症状改善不明显,并发现双眼睑浮肿,眼球逐渐突出,近半月来患儿全身皮肤出现散在红色或紫色皮疹,鼻塞及突眼更为明显.

简介：目的观察1,25（OH）2D3对高糖诱导牛视网膜血管内皮细胞（BRECs）中血管内皮生长因子（VEGF）的表达水平变化及对细胞凋亡水平的影响。方法将分离培养的BRECs分为三组,分别为正常糖组、高糖组和高糖处理组。正常对照组细胞培养液含5mmol/L葡萄糖,高糖组细胞培养液含30mmol/L葡萄糖,高糖处理组细胞培养液含30mmol/L葡萄糖和50nM,1,25（OH）2D3。培养48h后收集细胞蛋白。蛋白免疫印迹法检测细胞VEGF及细胞凋亡相关蛋白Bax和Bcl-2表达水平;PI/Hoechst双染色法检测细胞凋亡。结果相比于正常糖组,高糖组中VEFG水平和Bax/Bcl-2比值显著增加;而在高糖处理组中表达水平远远低于高糖组,差异均有统计学意义（P〈0.05）。高糖的细胞凋亡水平高于正常糖组,而经过1,25（OH）2D3处理后,其细胞凋亡水平则有所下降,差异均有统计学意义（P〈0.05）。结论1,25（OH）2D3可以抑制高糖诱导BRECs中VEGF表达增加及细胞凋亡。

简介：目的：构建表达小鼠CD4＋T细胞钙支架蛋白AHNAK1的短发夹RNA（shorthairpinRNA,shRNA）慢病毒载体,并研究其对小鼠甲状腺相关性眼病（thyroid-associatedophthalmopathy,TAO）的抑制效应。方法：设计并筛选对AHNAK1具有良好干扰效力的shRNA序列,慢病毒载体包装干扰序列,感染小鼠CD4＋T细胞,检测AHNAK1静默对T细胞功能的抑制作用,采用实验动物模型观察AHNAK1体内抑制甲状腺相关性眼病的效果。结果：成功筛选出具有良好干扰效力的shRNA,并包装入慢病毒。病毒滴度为1.0伊106TU/mL,转染慢病毒的CD4＋T细胞展现出失能倾向,抑制炎症免疫反应;在动物模型中抑制T细胞中AHNAK1表达可以有效控制甲状腺眼病的发生发展,显著降低治疗组T细胞中IL-2、IL-1茁和IFN-酌的表达。结论：成功构建了表达小鼠AHNAK1shRNA的慢病毒,具有抑制T细胞分泌IL-2、IL-1茁和IFN-酌的表达效应,能够有效抑制甲状腺眼病的发生发展。

简介：资料患者女性,25岁。因反复咽痛伴咽异物感1月余,于2013年9月3日在我院门诊行电子鼻咽喉镜检查,提示鼻咽后壁溃疡,附有黄绿色假膜,软腭鼻咽面可见浅表点状溃疡,并附有薄层黄白色假膜（图1）,舌根、会厌舌面左侧水肿。无耳鸣及听力下降,无鼻塞、痰血、涕血、咳嗽、胸痛、潮热、盗汗等,无颈淋巴结肿大。

简介：<正>水痘是由疱疹病毒引起的传染病,水痘患者出现会厌水痘的病例报道很少,现有1例会厌水痘患者,报告如下。病例报告患者,女,16岁。因咽痛、发热1天急诊入院。入院体检发现硬软腭粘膜区见散在表浅溃疡,有伪膜,双侧扁桃体轻度红肿,会厌舌面粘膜充血肿胀

简介：AIM:ToinvestigatetheinterferingeffectofY-27632,aROCK-Iselectiveinhibitor,onthesignaltransductionpathwayoftransforminggrowthfactor-β1(TGF-β1)inocularTenoncapsulefibroblasts(OTFS)invitro.METHODS:AfterOTFSfrompassages4to6invitrowereinducedbyTGF-β1andthentreatedbyY-27632,thechangesoftheOTFScellcycleswereanalyzedviaflowcytometry,andtheproteinsexpressionoftheα-smoothmuscularactin(α-SMA),connectivetissuegrowthfactor(CTGF),collagenIwerecalculatedbyWesternblot.AfterOTFStreatedbythedifferentconcentrationsofY-27632,theexpressionlevelsoftheα-SMA,CTGFandcollagenImRNAwereassayedbyRT-PCR.RESULTS:Y-27632hadnomarkedlyeffectontheOTFScellcycles.AftertreatedbyTGF-β1,OTFSinG1periodsignificantlyincreased.ThecellcyclesdistributionbybothTGF-β1andY-27632hadnoremarkabledifferencefromthatincontrolgroup.Y-27632significantlyinhibitedtheproteinsexpressionsofbothα-SMAandCTGF,whiletosomeextentinhibitedthatofcollagenI.TGF-β1significantlypromotedtheproteinsexpressionsofα-SMA,CTGFandcollagenI.AfterOTFStreatedbybothTGF-β1andY-27632,ofα-SMA,theproteinexpressionwassimilarwiththatincontrolgroup(P=0.066>0.05),buttheproteinexpressionofCTGForcollagenI,respectively,wassignificantlydifferentfromthatincontrolgroup(P=0.000<0.01).Thedifferencesofexpressionsoftheα-SMA,CTGFandcollagenImRNAin30,150,750μmol/LY-27632groupwerestatisticallysignificant,comparedwiththoseincontrolgroup,respectively(α-SMA,P=0.002,0.000,0.000;CTGF,P=0.014,0.002,0.001;collagenI,P=0.003,0.002,0.000).CONCLUSION:BlockingtheRho/ROCKsignalingpathwaybyusingofY-27632couldinhibitthecellularproliferationandtheexpressionofbothCTGFandα-SMAwhateverOTFSinducedbyTGF-β1ornot.Y-27632suppressedtheexpressionofcollagenImRNAwithoutinduction.

简介：<正>耳蜗毛细胞损伤是引起感音神经性聋的重要原因之一。因此,耳蜗毛细胞再生的研究对治疗感音神经性聋有着重要的意义。80年代末以来,国内外广泛开展了毛细胞再生的研究,且应用了许多新的生物学技术及方法。下面对毛细胞再生研究的现况作一综述。

简介：目的:观察角膜缘干细胞培养液对血管内皮细胞增殖的影响。方法:分别培养角膜缘干细胞及球结膜上皮细胞,并通过免疫组化检测AE-5蛋白鉴别角膜缘干细胞。搜集两组培养细胞的上清液加入培养的人脐静脉血管内皮细胞中,并设立对照组。培养24h后通过MTT法检测细胞增殖情况并进行统计学分析。结果:角膜缘干细胞AE-5染色呈阴性,而球结膜上皮细胞为阳性。加入角膜缘干细球结膜上皮细胞和对照组培养液的血管内皮细胞MTT值分别为2.097±0.079,1.981±0.034和1.990±0.044。三组间有显著性差异(F=9.169,P=0.000)。加入角膜缘干细胞培养上清液的血管内皮细胞增殖活性明显高于其他两组(P=0.005和P=0.007)。结论:角膜缘干细胞培养液能够促进血管内皮细胞的增殖,这可能是角膜缘干细胞的特征。本研究从功能学角度为角膜缘干细胞理论提供更多的依据。

简介：~~

简介：患者,女性,14岁.感冒后声音嘶哑2d就诊于当地医院,无咽痛、发热、吞咽及呼吸困难等,体检发现舌根部巨大肿物.

简介：患者女性，3岁。因右眼痒1个月，右眼痛，异物感5d于1999年8月12日就诊我科。病史由其母代述。患儿于1个月前诉右眼痒，5d前出现右眼疼痛，异物感。在当地按结膜炎治疗未见好转。家长称曾发现家中小狗眼内有小虫爬出。体格检查：发育正常，营养良好，心肺腹均无异常。左眼无异常。右眼：球结膜充血，结膜囊内有4条活的线样小虫（检查后取出），

简介：患者男性，69岁，于2007年5月23日因“右眼痛伴流泪半年”入院。患者约16年前诊断为“右眼视网膜脱离”，未手术。入院检查：右眼无光感，指测眼压Tn＋2，结膜充血（＋）；角膜中央圆盘状白色病灶，裂隙灯下见病灶表面光滑，边界清楚，内部有空泡样改变，直径约11mm，略小于全角膜直径，病灶外角膜尚有环形透明区；角膜缘处见少量新生血管，但未至白色病灶边界；前房消失，

简介：AIM:TocomprehensivelyevaluatethepotentialassociationofCOL1A1polymorphismswithhighmyopiabyasystematicreviewandMeta-analysis.METHODS:AllassociationstudiesonCOL1A1andhighmyopiareporteduptoJune10,2014inPubMed,Embase,WebofScience,andtheChineseBiomedicalDatabasewereretrieved.Oddsratios(ORs)and95%confidenceintervals(95%CIs)wereanalyzedforsinglenucleotidepolymorphisms(SNPs)usingfixed-andrandom-effectsmodelsaccordingtobetween-studyheterogeneity.PublicationbiasanalyseswereconductedbyEgger’stest.RESULTS:Atotaloffourstudiesfromreportedpaperswereincludedinthisanalysis.TheMeta-analysesforCOL1A1rs2075555,composedof2304highmyopiapatientsand2272controls,failedtodetectanysignificantassociationwithhighmyopia.Atotalof971casesand649controlsweretestedforCOL1A1rs2269336.TheassociationofCOL1A1rs2269336withhighmyopiawasobservedinrecessivemodel(CCvsCG+GG,P=0.03)andinheterozygousmodel(CGvsGG,P=0.04),butnotinothermodels.CONCLUSION:ThisMeta-analysisshowsthatCOL1A1rs2269336(CCvsCG+GG)affectsindividualsusceptibilitytohighmyopia,whereasthereisnoassociationdetectedbetweenSNPsrs2075555andhighmyopia.Giventhelimitedsamplesize,furtherinvestigationsincludingmoreethnicgroupsarerequiredtovalidatetheassociation.

简介：AIM:Toinvestigatethelevelsofserumsolubleintercellularadhesionmolecules-1(sICAM-1)andneutrophilicexpressionofCD18inpatientswithvariousstagesofdiabeticretinopathyandtodeterminetheirdifferentexpressionpatterninthedevelopmentofdiabeticretinopathy(DR).·METHODS:LevelsofserumsICAM-1andCD18onthesurfaceofneutrophileweremeasuredin41DRpatients,theywereclassifiedinthreesubgroupsaccordingtothestageofretinopathyasdeterminedbyfund’sophthalmoscopy;10controlsubjectswerealsostudied.sICAM-1weremeasuredbyenzyme-linkedimmunosorbentassayandCD18byflowcytometry.·RESULTS:TheneutrophilicCD18expressionandserumsICAM-1levelwereallsignificantlyelevatedinalldiabeticsubgroupscomparedtocontrolsubjects(P<0.01).ThedifferencesofCD18andsICAM-1amongthediabeticsubgroupsweresignificantinCD18butnotinsICAM-1.TheprogressionofretinopathywasassociatedwithanincreasebothinCD18andinsICAM-1levelsbysimplecorrelationanalysis(β=0.74,P<0.001;β=0.38,P<0.01,respectively).ButstepwisemultipleregressionanalysisrevealedthatonlyCD18wasindependentdeterminantofretinopathy(β=1.04,P<0.01).·CONCLUSION:OurresultsconfirmthecontributionofendothelialandneutrophilicactivationinthedevelopmentofDRasindicatedbyincreasedlevelsofCD18andsICAM-1.However,adirectimplicationofCD18andICAM-1intheprogressionofDRcanbesupportedonlyintheCD18butnotICAM-1.CD18andICAM-1mayplaydifferentroleinthedevelopmentofdiabeticretinopathy.

简介：·AIM:Toinvestigatechangesinimmunogenicityofcryopreservedlimbalstemcells.·METHODS:Cryopreservedlimbalstemcells,freshprimarylimbalstemcellsandblankcontrolswereinoculatedsubcutaneouslyinC57BL-6miceandthepercentageofCD25cellsinlimbalexplantswasdeterminedbyflowcytometryatday21postinoculation.Morphologicalstudieswereperformedbylightandelectronmicroscopyoflimbalexplantsections.·RESULTS:Thenumberofregionalandsystemiclymphocytesderivedfromcryopreservedlimbalstemcellswaslowerthanthatfromfreshprimarylimbalstemcells.·CONCLUSION:Lymphocytesderivedfromcryopreservedlimbalstemcellsshowedchangesinimmunogenicity,butthesignificanceisunknown.Thecryopreservationandthawingmethodsawaitfurtherstudy.·

简介：角膜缘干细胞为正常角膜上皮的自我更新提供了来源,在维持眼表稳态中起到了极为重要的作用。近年来,随着对成体干细胞认识的加深以及生物组织工程学的发展,培养的口腔黏膜细胞片移植已成为治疗角膜缘干细胞缺损的方法之一。本文就其培养方法、细胞片表型及临床应用结果的进展进行综述。

简介：·AIM:Toexploretheeffectofimmunizationwithcopolymer-1(COP-1)andretinalstemcells(RSCs)transplantationoninterferon-gamma(IFN-γ)levelsinaratexperimentalglaucomamodel.·METHODS:Anexperimentalglaucomawasinducedbyargonlaserphotocoagulationoftheepiscleralveinsandlimbalplexusintherighteyeofrats.Immediatelyfollowingglaucomainduction,ratswereimmunizedwithCOP-1.RSCswereculturedandtransplantedintravitreallyintotheeyesofglaucomamodelanimals1weekpost-lasertreatment.Sixexperimentalgroupswereused:COP-1/RSC,PBS/RSC,COP-1/PBS,PBS/PBS,glaucomamodelgroup,andanormalcontrolgroup.TheconcentrationofIFN-γinaqueoushumor(AH)andserumwasmeasuredbyenzyme-linkedimmunosorbentassay(ELISA)ineachofthesixgroups.Retinalganglioncell(RGC)survivalwasassessedbyquantifyingapoptosisusingHoechststaining.·RESULTS:ConcentrationsofIFN-γinAHandserumofratsthathadundergoneglaucomainductionwerehigherthanthoseofnon-inducedcontrolrats.TheconcentrationsofIFN-γinAHandserumoftheCOP-1/RSCstreatedgroupweredeterminedtobe2371.9ng/Land710.9ng/L,respectively,whichweresignificantlylowerthanthoseintheothertreatedgroups(P<0.05).Infact,IFN-γlevelsinthedualtreatedgroupwerereducedtobackgroundlevels.TheCOP-1/RSCgrouphadlowernumberofapoptoticRGCsthantheotherthreeexperimentalgroups(P<0.05).·CONCLUSION:ThereducedlevelsofIFN-γinAHandserumoftheCOP-1/RSCgroupmayberelatedtosynergisticeffectsbetweenRSCstransplantationandCOP-1immunemodulation.ItislikelythatthelowerlevelsofIFN-γpreventedRGCsglaucomatousapoptosis.·