学科分类
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38 个结果
  • 简介:Objective:Tostudythecellularimmunitystatusofpatientswithrecurrentgenitalherpes.Methods:Serumlevelsofinterlukin-2anditssolublereceptorandinterlukin-6weremeasuredbyELISAin34patientswithrecurrentgenitalherpes.Results:SerumlevelsofIL-2andIL-6weresignificantlydecreasedinpatientscomparedtohealthycontrols(P<0.01),andthelevelofsIL-2Rwassignificantlyincreasedinpatientswithrecurrentgenitalherpes(P<0.01).Therewerenosignificantdifferencesinallvariablesamongstpatientsregardingrelapsestageandremissionstage(P>0.05).Conclusion:Therewasacellularimmunedeficiencyinpatientswithrecurrentgenitalherpes.

  • 标签: 复发性生殖器疱疹 IL-2 SIL-2R IL-6 免疫血清学 酶联免疫吸附法
  • 简介:Objective: Tocomparethedynamicchangesofinterleukin-1(IL-1),interleukin-6(IL-6),andtumornecrosisfactor(TNF)inintermingledskingraftwiththoseinothertypesofskingraftsinrats.  Methods: A10%-15%third-degreeburnwascreatedin180Spregue-Dawley(SD)rats.Afterremovingthescar,skingraftswereperformedontheopenwoundsimmediatelywithautoskin(aus,n=54),alloskin(als,n=54)andintermingledskin(n=36).Thatistosay,intheintermingledskingraft,abigpieceofalloskin(mals)wasgraftedfirst,and3dayslater,smallpiecesofautoskin(maus)wereembeddedinthealloskin.Therest36ratsweretakenasthecontrols.AndthebiologicalactivitiesofIL-1,IL-6andTNFingraftsheetsineachgroupweredetectedafterskingraft.  Results: ThelevelsofIL-1,IL-6andTNFintheausgroupdecreasedsteadilyaftertheirinitialelevations,whereasinthealsgrouptheyincreasedsignificantlyandkeptonthepeaklevelinthelaterphases.Intheintermingledgroup,thereappearedalowestIL-1levelinthemalsandahighestoneinthemaussimultaneouslyat7(4)days(Thenumberoutofparenthesisisthedaysaftertransplantingwithalloskinsheets,andthenumberinparenthesisisthedaysafterembeddingautoskinsheetsintheintermingledskingraft.Similarlyhereinafter.)afterskingraft(P<0.01),andthehighlevelinthemausabruptlydecreasedat14(11)daysafterskingraft.Atexactlythesamephaseonday7(4),aprominentpeakedIL-6inthemalsoccurred.Inthelaterphases,thelevelsofTNFremainedrelativelylowbothinthemalsandinthemaus.Fromday7(4)on,eachcytokinefluctuationinthemalssynchronizedwiththatinthemaus.Thelongertheposttransplantationperiodlasted,themorethepositivecytokinecorrelatedbetweenthemalsandthemaus.  Conclusions: ThelowlevelsofIL-1andTNFmaybeimportantfactorstolightentheintensityoflocalrejectionintheintermingledskingraft.Thetempo

  • 标签: 烧伤 皮肤移植 白细胞介素1 白细胞介素6 肿瘤坏死因子
  • 简介:Interleukin-18(IL-18)wasdiscoveredasaninterferon-γ-inducingfactorandhadacriticalroleininflammatoryandimmuneresponse.Itstimulatesnaturalkiller(NK)andTcellsandenhancesTh1immuneresponse.Theseactivatedimmunecellseliminatecancercellsandvirus-infectedcellseffectively.However,IL-18hasalsobeenfoundtopromotetumorprogression.HigherexpressionorsecretionlevelofIL-18isdetectedinvariouscancercellsincomparisonwithnormalcontrol,andIL-18isabletoinduceangiogenesis,migration/metastasis,proliferationandimmuneescape.ThesedualeffectsandthemechanismofIL-18needtobeinvestigatedfurtherasitrelatestocancer.

  • 标签: IL-18 NK细胞毒性 免疫反应 肿瘤发展
  • 简介:Objective:Toinvestigatetherolesofinterleukin-2(IL-2)andinterleukin-10(IL-10)inpathogenesisofearlysyphilis.Methods:TheserumlevelsofIL-2andIL-10in48patientswithearlysyphilisweredetectedbyABC-ELISA.Results:(1)ThelevelofIL-2inthepatientswithearlysyphiliswassignificantlyhigherthanthatinhealthycontrols,whilethatofIL-10waslower(P<0.001andP<0.001).(2)ThelevelsofIL-2andIL-10werealmostidenticalinpatientswithprimaryandsecondarysyphilis(P>0.05),aswellasbetweendif-ferentRPRtiters(P>0.05).(3)Aftertherapy,thelevelofIL-2decreasedmarkedly(P<0.05),whilethatofIL-10increase(p>0.05).(4)AsignificantcorrelationwasfoundbetweentheserumlevelsofIL-2andIL-10(r=0.5385P<0.05).Conclusions:Th1up-regulationoccursinpatientswithearlysyphilis,andplaysanactiveroleinfightingagainstTPinfection.

  • 标签: 早期梅毒 白细胞介素-2 白细胞介素-10 酶联免疫吸附实验
  • 简介:AlthoughithasbeenknownthatγδTcellsmayplayanimportantroleintheimmuneresponsetoinfectionofMycobacteriumtuberculosis(M.tb),themechanismsbywhichtheγδTcellsparticipateintheinnateand/oracquiredimmunitytotuberculosis(TB)havenotbeenfullelucidated.Inthepresentstudy,27patientswithactivepulmonaryTBand16healthydonors(HD)wereperformed.WefoundthatproportionofIL-17-producingcellsamonglymphocytewassimilarbetweenTBpatientsandHD,whereastheproportionsofγδTcellsinIL-17-producingcells(59.2%)andIL-17-producingcellsinγδTcells(19.4%)inperipheralbloodweremarkedlyincreasedinTBpatientswhencomparedtothoseinHD(43.9%and7.7%,respectively).Inaddition,theproportionsofIFN-γ-producingγδTcellsinTBpatientswereobviouslylowerthanthatinHD.Uponre-stimulatedwithM.tbheat-treatedantigen(M.tb-HAg)invitro,fewerIL-17-producingγδTcellsweregeneratedfromHDandTBpatients,whereasIFN-γ-producingγδTcellswereincreasedinTBpatientscomparedtothatinHD.OurfindingsinTBpatientsandhealthyhumanwereconsistentwithothermurineinvestigationthattheIL-17-producingγδTcellsweremainsourceofIL-17inmousemodelofBCGinfection,suggestingthatγδTcellsmightbeinvolvedintheformationoftuberculargranulomainpulmonaryTBpatients,butneedfurtheridentification.

  • 标签: 分支杆菌 结核病 γδ T细胞 IL-17 肺结核
  • 简介:AbstractBackground:Interleukin-18 (IL18) gene polymorphisms are related to many inflammatory and autoimmune diseases. However, a correlation analysis between IL18-607C/A and -137G/C gene polymorphisms and Takayasu arteritis (TA) is lacking.Methods:This study enrolled 200 patients with TA as the case group and 334 region-, age-, and sex-matched healthy subjects as the control group. We genotyped alleles and genotypes at positions -607 and -137 of the IL18 gene and analyzed the distribution frequencies. Mann-Whitney U test, t test, Chi-squared test and Hardy-Weinberg equilibrium were performed.Results:After adjusting for risk factors, the adjusted odds ratios and 95% confidence intervals at position -607C/A were 0.533, 0.391 to 0.880 (P = 0.010); 0.266, 0.586 to 1.002 (P = 0.051); and 0.122, 0.552 to 1.420 (P = 0.613) under the dominant, additive, and recessive models, respectively. For the -137G/C polymorphism, the adjusted odds ratios and 95% confidence intervals were 1.571, 1.068 to 2.311 (P = 0.022); 1.467, 1.086 to 1.980 (P = 0.012); and 1.815, 0.901 to 3.656 (P = 0.095) under the dominant, additive, and recessive models, respectively. Moreover, regardless of the model used, we found no statistical difference in distribution frequency between the active and quiescent states of TA for the -607C/A (P = 0.355, 0.631, and 0.705, respectively) and -137G/C polymorphisms (P = 0.205, 0.385, and 0.208, respectively).Conclusions:The IL18-607C/A gene polymorphism may decrease the risk of TA, and thus is a protective factor, whereas -137G/C may increase the risk of TA, and thus is a risk factor. However, neither polymorphism was related to activity (active vs. quiescent) of TA.

  • 标签: Gene polymorphism Interleukin-18 Takayasu arteritis
  • 简介:Theaimofthisstudyistoinvestigatewhetherthreemononucleotidepolymorphismsatthelocus-1082,-819and-592inthepromoterregionoftheIL-10geneareassociatedwithchronicseverehepatitis.TheIL-10-592andIL-10-1082polymorphismsweregenotypedbypolymerasechainreaction-restrictionfragmentlengthpolymorphismanalysis(PCR-RFLP)whilepolymerasechainreaction-se-quencespecificprimer(PCR-SSP)assaywasusedtotesttheIL-10-819polymorphism.Thepolymor-phismsofIL-10-1082,-819and-592genesweredetectedin98patientswithchronicseverehepatitis(CSH),478patientswithchronichepatitisB(CHB),223asymptomatic(chronic)HBVcarriers(ASC)and267patientswithself-restrictedHBV.Therewassignificantdifferenceofthepolymor-phismsofIL-10-1082,IL-10-819andIL-10-592genesbetweenCSHgroupandothergroups.Thefre-quencyofAAgenotypeatIL-10genepromoter-1082locusinchronicseverehepatitispatientswashigherthanthatinasymptomaticHBVcarriers(X~2=13.314,P=0.001),andself-restrictedHBVpatients(X~2=13.545,P=0.000);thefrequencyofCCandACgenotypeatIL-10genepromoter-592locusinchronicseverehepatitispatientswashigherthanthatinchronichepatitispatients(X~2=15.970,P=0.000)(X~2=20.414,P=0.000),asymptomaticHBVcarriers(X~2=21.283,P=0.000)(X~2=28.309,P=0.000)andself-restrictedHBVpatients(X~2=17.047,P=0.000)(X~2=16.528,P=0.000);thefrequencyofTCgenotypeatIL-10genepromoter-819locusinchronicseverehepatitispatientswashigherthanthatinchronichepatitispatients(X~2=58.961,P=0.000),asymptomaticHBVcarriers(X~2=53.255,P=0.001)andself-restrictedHBVpatients(X~2=39.616,P=0.001).Sointerleukine-10genepolymorphismwasassociatedwiththechronicsevereheoatitis.

  • 标签: 肝炎 白介素-10 基因型 多态现象
  • 简介:AbstractBackground:Degree of mucosal recovery is an important indicator for evaluating the therapeutic effects of drugs in treatment of inflammatory bowel disease (IBD). Increasing evidences has proved that tight junction (TJ) barrier dysfunction is one of the pathological mechanisms of IBD. The aim of this study was to observe whether enhancement of TJ can decrease colitis recurrence.Methods:Eighty C57BL/6 mice were randomly divided into four groups including normal group, colitis group, sulfasalazine (SASP) treated group, and traditional Chinese drug salvianolic acid B (Sal B) treated group. Colitis was established in mice by free drinking water containing dextran sulfate sodium, after treatments by SASP and Sal B, recombinant human interleukin-1β (IL-1β) was injected intraperitoneally to induce colitis recurrence.Results:Compared with sham control, cell apoptosis in colitis group was increased from 100.85 ± 3.46% to 162.89 ± 11.45% (P = 0.0038), and TJ dysfunction marker myosin light chain kinase (MLCK) was also significantly increased from 99.70 ± 9.29% to 296.23 ± 30.78% (P = 0.0025). The increased cell apoptosis was reversed by both SASP (125.99 ± 8.45% vs. 162.89 ± 11.45%, P = 0.0059) and Sal B (104.27 ± 6.09% vs. 162.89 ± 11.45%, P = 0.0044). High MLCK expression in colitis group was reversed by Sal B (182.44 ± 89.42% vs. 296.23 ± 30.78%, P = 0.0028) but not influenced by SASP (285.23 ± 41.04% vs. 296.23 ± 30.78%, P > 0.05). The recurrence rate induced by recombinant human IL-1β in Sal B-treated group was significantly lower than that in SASP-treated group.Conclusions:These results suggested a link between intestinal mucosal barrier dysfunction, especially TJ barrier dysfunction, and colitis recurrence. The TJ barrier dysfunction in remission stage of colitis increased the colitis recurrence. This study might provide potential treatment strategies for IBD recurrence.

  • 标签: Colitis Inflammatory bowel disease Recurrence Tight junctions
  • 简介:可移植的试验性的肿瘤模型被构造对肿瘤复发和转移学习recombinant人interleukin-15(rhIL-15)的活动。结果证明那肿瘤小瘤形成被延迟,肿瘤生长与rhIL-15在处理以后在LA795肺腺癌的下的肿瘤模型被禁止,并且与rhIL-15对待的T739忍受肿瘤的老鼠的幸存率比与盐的任何一个或与rhIL-2的一样的剂量对待的老鼠的高得多。这indicats那rhIL-15antitumor最好在一样的剂量水平比rhIL-2完成。在一些,rhIL-15对待老鼠,皮下地接种的肿瘤房间被根除,没有肿瘤形成甚至在肿瘤以后的138天房间接种。没有肿瘤的老鼠与实时肿瘤房间被重新质问,没有肿瘤这些老鼠在所有在下列二个月内重新发生,显示全身的免疫开发了的那长持续的antitumor。肿瘤复发和转移与rhIL-15,然而并非与rhIL-2的一样的剂量在处理以后显著地被禁止,这也被显示出,在LA795肺腺癌的皮下地并且静脉内地传播的肿瘤模型。同时,splenocytes的CTL和NK房间活动从与任何一个rhIL-15被对待的忍受肿瘤的老鼠获得了或rhIL-2是显著地提高的两个。然而,CTL和NK房间活动的改进在rhIL-15是更重要的在rhIL-2比那对待老鼠对待的老鼠。这建议在vivo的rhIL-15的反肿瘤效果被在肿瘤免疫者反应提高CTL和NK房间活动完成。细胞与分子的免疫学。2008;5(3):189-196。

  • 标签: rhIL-15 LA795 可移植治疗 肿瘤治疗 癌细胞转移
  • 简介:AbstractObjective:The plant polyphenol resveratrol (3,4′,5-trihydroxystilbene) (RSV) has been proposed for use because of its protective effect on ultraviolet (UV)-induced skin disorders. In UVB-induced skin damage, cell autophagy and apoptosis have been approved to prevent the damage and to contribute to the cytoprotective role of RSV; however, the detailed mechanism remains unknown. So, we conducted this study to investigate the cytoprotective effects of RSV on UVB-irradiated human epidermal keratinocytes (HEKs) and its undergoing mechanisms.Methods:Secretion of thirty-six inflammatory cytokines of HEKs induced by 50 mJ/cm2 UVB at 0, 12, 24, and 48 hours were detected by a human cytokine assay and the interleukin (IL)-8 protein level in the culture media were determined by ELISA. Next, HEKs were treated with or without 100 μmol/L RSV in the presence or absence of 50 mJ/cm2 UVB, and activator protein 1 and NF-κB-related proteins were measured by Western blot. Furthermore, cells exposed to UVB radiation were treated with apoptosis activators procaspase-activating compound 1 (PAC-1), apoptosis activator 2 (AA2) or RSV to investigate the effect of RSV on the percentage of apoptotic cells by flow cytometry. Then cells were treated with autophagy inhibitors LY294002, 3-methyladenine (3-MA) or RSV in the presence of UVB and chloroquine (CQ) to investigate the effect of RSV on autophagy through detecting microtubule-associated protein 1 light chain 3 (LC3) expression by western blot. Finally, the effect of LY294002, 3-MA, ATG5 siRNA, PAC-1, and AA2 on RSV-mediated reduction of IL-8 expression was determined by ELISA assay.Results:RSV treatment decreased the secretion of IL-8 (UVB vs. UVB+ RSV: [1454.05 pg/mL ± 52.95 pg/mL] vs. [553.68 pg/mL ± 206.03 pg/mL], P < 0.001), and downregulated the protein level of c-Fos in UVB-irradiated HEKs (UVB vs. UVB+ RSV: [0.103 ± 0.009] vs. [0.048 ± 0.015], P < 0.01). In UVB-irradiated HEKs, the result of western blot showed that LY294002 and 3-MA inhibited RSV-induced LC3 II accumulation (UVB + CQ + RSV vs. UVB + CQ + 3-MA+ RSV vs. UVB + CQ + LY294002+ RSV: [1.15 ± 0.03] vs. [0.77 ± 0.13] vs. [0.67 ± 0.13], P < 0.01), and the result of flow cytometry showed that PAC-1 and AA2 prevented RSV from reducing cell apoptosis (UVB+ RSV vs. UVB+ PAC-1 + RSV vs. UVB+ AA2+ RSV: [19.56% ± 0.62%] vs. [94.33% ± 0.15%] vs. [94.97% ± 1.91%], P < 0.001). The data of ELSA assay showed that LY294002, 3-MA, and ATG5 siRNA reversed the RSV-mediated inhibition of IL-8 protein secretion by UVB-irradiated HEKs (UVB + LY294002 vs. UVB + LY294002 + RSV: [3283.00 pg/mL ± 444.05 pg/mL] vs. [1608.58 pg/mL ± 128.42 pg/mL], P < 0.05; UVB + 3-MA vs. UVB+ 3-MA+ RSV: [2941.88 pg/mL ± 103.80 pg/mL] vs. [1867.51 pg/mL ± 153.84 pg/mL], P < 0.01; UVB+ siATG5 vs. UVB+ siATG5+ RSV: [2530.11 pg/mL ± 685.34 pg/mL] vs. [3011.42 pg/mL ± 435.69 pg/mL], P > 0.05), whereas neither PAC-1 nor AA2 exerted similar effects.Conclusion:RSV may regulate autophagic flux to inhibit IL-8 expression in UVB-challenged keratinocytes.

  • 标签: ultraviolet resveratrol autophagy IL-8 keratinocyte
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  • 简介:TheinvivoeffectsofPhytolaccaacinosapoly-saccharidesI(PEP-I)onimmunologiccytotoxicityofmouseperitonealmacrophagesanditsproductionoftumornecrosisfactor(TNF)andinterleukin1(IL-1)werestudied.PEP-I80or160mgkgwasgiveniptwiceevery4day.BothdoseswerefoundtohavesignificantenhancingactivityonmacrophagescytotoxicityagainstS180sarcomacellsandmalignanttransformedfibroblastL929cells.PeritonealactivatedmacrophageswereincubatedwithLPSfor2and24hrstoinduceTNFandIL-1,respectively.TheTNFandIL-1activitiesweretestedfromcytotoxicityagainstL929cellsinanabsorbenceassayofenzymaticreactionandproliferationofthymocytesco-stimulatedassayseparately.TheoptimaltimeforTNFproductionwasfoundonday8.SignificantincreasesinTNFandIL-1wereobserved.IncomparisonoftheeffectofPEP-IonTNFwiththatofknownprimingagentBCG,therewasnodifferencebetweenthem,butPEP-IhadahigheffectonIL-1.Theseresultssug

  • 标签: MACROPHAGES interleukin PERITONEAL INCUBATED transformed CYTOTOXICITY
  • 简介:ToexploretheeffectofrhlL-15onCB-CD34^+stemcellscommittingtoNKcells,CD34^+stemcellswereobtainedfromcordblood(CB)bymagnetic-assistedcellsorting(MACS)method.CD3,CD16andCD56moleculesexpressedoncellsurfaceweredetectedbyflowcytometer.MTFmethodwasusedtotestthecytotoxicityofNKcells.Theresultswerethatstemcellfactor(SCF)alonehasnoeffectonCD34^+stemcells.IL-15stimulatedCD34^+stemcellscommittoNKcells,andSCFshowedstrongsynergisticeffectwithIL-15.ItwasconcludedthatIL-15andSCFplayeddifferentrolesduringNKcelldevelopment,llr15promotedCD34^+stemcellsdifferentiatetoNKcellprecursorandSCFimprovedtheeffectsofIL-15onNKcelldifferentiation.

  • 标签: 白细胞间介素-15 增进剂 CD34^+ 造血干细胞 NK细胞 MACS
  • 简介:Acupunctureandmoxibustiontherapynon-specificallyraisesthepainthreshold,relievesregionalmusculartension,improveslocalbloodcirculation,accelerateseliminationofalgogenicsubstancessuchasacidmetabolites,andpromotesneuralregenerationandfunctionalrehabilitation.However,theeffectsofacupuncturearesyntheticallyinfluencedbymultiplefactors,whichvarywithacu-puncturepoint,intensity,andmanipulation.ThepresentstudyexploredtheanalgesiceffectsandmechanismsofspecificSancaiacupuncturemanipulationforsciatica.ResultsrevealedthatSancaiacupuncturemanipulationsignificantlyreducedinflammatoryfactorinterleukin-6expressioninthebloodserumofratswithsciatica,exhibitedanti-inflammatoryeffectsandpromotedrehabilitationofinjurednerves.Inaddition,Sancaiacupuncturemanipulationexhibitedsuperiorcurativeeffectsoverconventionalacupuncturemanipulation.

  • 标签: 白细胞介素6 神经损伤 组织形态学 针刺 传统 血清
  • 简介:尽管为有类型1糖尿病的个人的小岛移植被显示了产出优异的血葡萄糖控制,它为长期的控制仍然保持不适当。这是部分,由于小岛损害和压力,那能导致贝它房间损失。过量IL-1β的抑制;活动可能最小化小岛损害,因此保存工作。IL-1受体对手(IL-1Ra),IL-1β的一个内长的禁止者;,保护小岛免受导致cytokine的坏死和apoptosis的伤害。因此,在IL-1β之间的不平衡;并且IL-1Ra可能影响到小岛的allogeneic和自体免疫的回答的功课。我们的组以前证明传播丝氨酸朊酶禁止者人alpha-1-antitrypsin(hAAT),以及immunomodulatory活动。在现在的学习,我们寻求了决定是否胰腺的小岛hAAT的allograft保护的活动被IL-1Ra调停感应。我们的结果证明hAAT在刺激巨噬细胞在IL-1Ra表示导致了2.04褶层增加并且hAAT-pre-treated小岛接枝在IL-1Ra抄本层次展出了4.851褶层增加,它与中等煽动性的侧面被联系。出人意料地,从IL-1Ra-knockout鼠标被孤立并且在grafting前与hAAT预先对待进野类型的鼠标的小岛在大概从渗入主机房间被导出的intragraftIL-1Ra表示产出增加,当主机的hAAT处理不在时的虽然。确实,hAAT-pre-treated小岛产生了能在有教养的巨噬细胞导致IL-1Ra生产的hAAT免费的调节媒介。最后,我们证明hAAT为p65支持了不同phosphorylation和原子translocation模式,为IL-1Ra要求的一个关键抄写因素表示。

  • 标签: 白细胞介素-1受体拮抗剂 胰岛移植 抗胰蛋白酶 生产培养 丝氨酸蛋白酶抑制剂 IL-1