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淋巴细胞凋亡

淋巴细胞凋亡的相关文献在1996年到2022年内共计90篇,主要集中在基础医学、内科学、畜牧、动物医学、狩猎、蚕、蜂 等领域,其中期刊论文83篇、会议论文6篇、专利文献108352篇;相关期刊71种,包括体育科学、体育学刊、沈阳体育学院学报等; 相关会议6种,包括2013年广东省职业卫生学年会暨广东省职业健康协会首届学术交流会、小儿医院获得性肺炎学术研讨会、中国环境诱变剂学会第14届学术交流会议等;淋巴细胞凋亡的相关文献由269位作者贡献,包括崔恒敏、金其贯、陈爱国等。

淋巴细胞凋亡—发文量

期刊论文>

论文:83 占比:0.08%

会议论文>

论文:6 占比:0.01%

专利文献>

论文:108352 占比:99.92%

总计:108441篇

淋巴细胞凋亡—发文趋势图

淋巴细胞凋亡

-研究学者

  • 崔恒敏
  • 金其贯
  • 陈爱国
  • 颜军
  • 吕爽
  • 孔筠
  • 孙晓明
  • 孟建中
  • 尹格平
  • 屠嘉衡
  • 期刊论文
  • 会议论文
  • 专利文献

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    • 彭可君; 夏洪娇; 何淑雅; 廖永强
    • 摘要: 目的:通过检测耐辐射奇球菌pprI基因活体转染系统性红斑狼疮(SLE)小鼠的氧化应激和疾病活动性指标,探讨其对SLE小鼠氧化应激状态的影响.方法:62只纯品系B6.MRL-FaslprNJU雌性小鼠随机分成3组,未转染组(20只),pEGFP-c1空载体转染组(20只),pEGFP-c1-pprI转染组(22只),纯品系C57BL/6健康小鼠作为健康对照组(20只).应用活体电转染技术将pEGFP-c1空载体及pEGFP-c1-pprI基因重组质粒转入SLE小鼠股前肌肉.Western blot鉴定转染后SLE小鼠外周血pEGFP-c1和pEGFP-c1-pprI融合基因表达.采用化学比色法检测各组小鼠外周血氧化应激标志物,ELISA法检测抗dsDNA抗体,免疫比浊法检测补体C4和C-反应蛋白.结果:①Western blot检测结果提示,质粒转染一周后均能在小鼠体内成功表达,且无毒副作用;②与未转染质粒和pEGFP-c1转染组SLE小鼠相比,pEGFP-c1-pprI转染组SLE小鼠GSH含量显著升高(P0.05);③与未转染质粒和pEGFP-c1转染组SLE小鼠相比,pEGFP-c1-pprI转染组SLE小鼠淋巴细胞凋亡率和死亡率明显下降(P0.05).结论:耐辐射奇球菌pprI基因活体转染后能在SLE小鼠体内稳定表达且能调节体内的氧化应激状态,降低SLE小鼠的疾病活动度.
    • 李明; 苏维; 马士恒; 王涛; 程雪娜
    • 摘要: Objective The influenza A (H1N1) virus has the characteristic of strong infectiousness and variation. It can threaten the lives of patients. In this paper,we investigated the expression of programmed cell death molecule 5 (PDCD5) in peripheral blood of patients with influenza A (H1N1) and its correlation with the severity of disease. Methods The data of 104 patients with influenza A (H1N1) treated in Affiliated Hospital of Hebei University from January 2015 to December 2017 were analyzed retrospectively. The 104 patients were divided into the mild H1N1 group (n=78) and the severe H1N1 group (n=26). At the same time,104 healthy physical examination subjects were selected as control group. The blood routine,lymphocyte count and PDCD level were observed in three groups. Results The number of leukocytes,neutrophils and lymphocytes of the mild H1N1 group and severe H1N1 group were significantly lower than those of the control group (P0.05). The levels of PDCD5 and lymphocyte apoptosis rate of the mild H1N1 group and severe H1N1 group were significantly higher than those of the control group (P0.05).轻症甲流组和重症甲流组PDCD5、淋巴细胞凋亡率与对照组比较均显著升高(P<0.05),重症甲流组亦显著高于轻症甲流组(P<0.05).轻症甲流组和重症甲流组总T细胞、CD4+T细胞、CD8+T细胞与对照组比较均显著降低(P<0.05),重症甲流组亦显著低于轻症甲流组(P<0.05). PDCD5水平与患者病情严重程度和淋巴细胞凋亡率呈正相关(r=0.872、0.904,P<0.05),与总T细胞、CD4+T细胞、CD8+T细胞呈负相关(r=-0.842、-0.805、-0.877,P<0.05). PDCD5水平预测重症甲型H1N1的灵敏度为92.31%,特异性为97.25%,曲线下面积为0.941. 结论 甲型H1N1型流感病毒感染患者外周血PDCD5水平与患者疾病严重程度具有相关性. PDCD5水平可作为重症甲型H1N1预测的重要指标.
    • 杨蕙文; 喻秋平; 叶兴文; 刘松; 赵鑫
    • 摘要: 目的 观察对脓毒症患者早期应用胸腺肽,对患者淋巴细胞凋亡以及临床疗效的影响.方法 选取符合要求的2016年5月-2017年6月在我院重症医学科(ICU)住院的62例脓毒症患者,随机分为胸腺肽组(n=32)和常规组(n=30).胸腺肽组在常规组治疗的基础上给予胸腺肽1.6mg,皮下注射/qd,连续给药7d为1个疗程.检测2组患者入院时及治疗第3、7d淋巴细胞亚群水平及淋巴细胞凋亡率,同时计算治疗前后2组患者肝肾功能、APACHEII评分以及ICU住院时间、28d生存情况.结果 ⑴2组患者治疗后各时点淋巴细胞亚群CD4+水平均较治疗前升高,CD8+水平均较治疗前降低.治疗3d后比较,胸腺肽组淋巴细胞(CD4+、CD8+)水平与常规组无明显差别,差异无统计学意义(P>0.05).治疗7d后胸腺肽组淋巴细胞CD4+水平显著高于常规组,差异有统计学意义(P0.05).治疗7d后胸腺肽组淋巴细胞的凋亡率显著低于常规组,差异有统计学意义(P0.05);2组患者治疗后APACHEII评分比较,胸腺肽组低于常规组,差异有统计学意义(P0.05).结论 胸腺肽可抑制脓毒症患者淋巴细胞凋亡,改善免疫抑制状态,提高临床疗效.
    • 奚小土; 刘云涛; 曾瑞峰; 李俊; 李莎莎; 于娟
    • 摘要: Aim:To study the effect of Fuzheng method on lymphocyte apoptosis in the Endoplasmic Reticulum Stress pathway of sepsis.Methods: The animal model of sepsis was established by cecal ligation and puncture(CLP),and the clinical equivalent dose of Shenfu injection and Shenmai injection were given respectively.The apoptosis rate was detected by Annexin V-FITC/PI double staining method, the pathological changes of spleen tissue were observed by HE staining,and the expression of GRP78 and CHOP protein and mRNA in the endoplasmic reticulum stress pathway of spleen cells were detected. Results:1.The apoptosis rate of spleen cell in model group was significantly higher than that in other groups(P 淋巴细胞凋亡的影响.方法:采用盲肠结扎穿孔术(CLP)构建脓毒症动物模型,并分别给予临床等效剂量的参附注射液、参麦注射液进行干预,通过Annexin V-FITC/PI双标记染色法检测细胞凋亡情况,HE染色观察脾脏组织的病理学变化,并检测脾脏细胞内质网应激信号通路关键分子GRP78和CHOP的蛋白及mRNA的表达情况.结果:1.模型组大鼠脾脏组织细胞凋亡率明显高于其他各组(均P<0.01);2.模型组大鼠脾脏较正常组破坏明显,呈被膜增厚、白髓减少或消失、淋巴小结结构破坏等表现,给药组脾脏破坏程度有所改善;3.参附注射液和参麦注射液可不同程度降低CLP诱导的大鼠脾脏GRP78、CHOP蛋白和mRNA的表达,均具有统计学差异(P<0.05).结论:以扶正立方的参附注射液和参麦注射液均可通过抑制内质网应激途径而减轻脓毒症淋巴细胞凋亡.
    • 年宏蕾; 刘仁慧; 肖般若; 惠娅; 杨燕; 罗良涛; 许利平; 王秀娟
    • 摘要: 目的:研究大鼠哮喘模型激素局部及全身给药治疗的同时合用淫羊藿女贞子对淋巴细胞凋亡的影响.方法:建立大鼠哮喘模型,分别以布地奈德雾化4周(局部给药)及地塞米松腹腔注射治疗2周(全身给药)治疗,同时配合灌胃淫羊藿女贞子煎液,流式细胞术检测支气管肺泡灌洗液(BALF)与血淋巴细胞凋亡的表达.结果:与正常组相比,哮喘大鼠BALF中淋巴细胞凋亡显著降低(P<0.05);激素局部干预及合用中药淫羊藿女贞子均可上调BALF中淋巴细胞凋亡水平(P<0.01),且合用组上调作用较单用组显著升高(P<0.01);而激素全身干预大鼠血及BALF中淋巴细胞凋亡表达均显著上调(P<0.05),但合用淫羊藿女贞子后则下调血淋巴细胞凋亡水平接近于正常(P<0.05).结论:激素局部给药的同时合用平补阴阳药对淫羊藿女贞子,产生协同上调血及BALF淋巴细胞凋亡的作用;而激素全身给药的同时合用平补阴阳药对淫羊藿女贞子,则抑制激素全身应用后过度促进血淋巴细胞凋亡的影响.
    • 丁响; 覃飞; 周小青
    • 摘要: 目的:观察6周递增负荷运动过程中,大鼠肠系膜淋巴结形态结构及淋巴细胞凋亡的基本特征,探讨过度运动对肠道粘膜免疫功能的影响及其相关机制。方法:雄性SD大鼠64只,随机分为安静对照组(32只)和运动组(32只),运动组进行六周递增负荷跑台运动,分别在第1天及第2、4、6周末观察肠系膜淋巴结的形态学变化,并通过淋巴细胞Bax、Bcl-2表达和SOD、MDA水平探讨对淋巴细胞凋亡的影响。结果:1)肠系膜淋巴结的结构发生进行性破坏,主要表现为皮质、副皮质淋巴小结及生发中心数目减少,皮质和髓质交叉融合、面积比下降、细胞密度降低;2)Bax/Bcl-2比值升高,提示淋巴细胞凋亡增多且主要出现在肠系膜淋巴小结的生发中心;3)肠系膜淋巴结内脂质过氧化物(MDA)持续性增多。研究结果提示,大强度运动导致的自由基生成增多,可诱发Bcl-2蛋白下调,进一步导致淋巴细胞凋亡增多。结论:肠系膜淋巴结结构改变,淋巴细胞过度凋亡可能是长期大负荷运动诱发肠道粘膜免疫机能抑制的主要原因之一。
    • 苏晨
    • 摘要: 20名青年男性(20~ 30岁)在电动跑台上分别进行坡度为0°的水平跑(向心运动)和坡度为-10°的下坡跑(离心运动),运动时间为30 min,强度为70% VO2max,两次运动间隔一周进行.分别在运动前、运动后0h(运动后即刻)、2h、24 h和48 h取静脉血测定肌酸激酶(CK)活性、外周血淋巴细胞凋亡率以及促凋亡蛋白Bax和抗凋亡蛋白Bcl-2含量,探讨离心运动造成的运动性肌肉损伤对外周血淋巴细胞凋亡的影响以及凋亡发生的可能机制.结果显示,水平跑时各指标在各时间点均无显著性变化(P>0.05).下坡跑时,肌酸激酶活性在运动后24 h升高(P<0.01),48 h下降但仍高于运动前水平(P<0.01);淋巴细胞凋亡率在运动后0h开始升高(P<0.01)并一直持续至运动后48 h(P<0.01);Bax/Bcl-2比值在运动后24 h升高(P<0.01),运动后48 h开始降低并高于运动前(P<0.01).以上结果表明:离心运动诱导的淋巴细胞凋亡可能是运动性肌肉损伤造成的,线粒体介导的凋亡通路起着关键作用.
    • 占今舜; 吴力专; 李丽立; 张彬
    • 摘要: 本研究的目的在于探讨外源性金属硫蛋白(MT)对热应激下体外培养奶牛淋巴细胞凋亡的影响。将屠宰获取的奶牛脾脏淋巴细胞随机分为4组,每组细胞培养液中MT的终浓度分别为0μg/mL(对照组)、70μg/mL(第Ⅰ组)、140μg/mL(第Ⅱ组)、210μg/mL(第Ⅲ组),同时置于细胞培养箱(37°C、5%CO2)中培养20 h,之后同时置于43°C水浴锅中进行热应激处理1 h,再回细胞培养箱中培养3 h,然后利用形态学观察、RT-PCR等方法进行各项指标的检测。结果如下,1)通过形态学观察和AO/EB染色观察,表明添加MT可以有效缓解热应激对奶牛淋巴细胞的损伤,但缓解效果随 MT浓度的增加而下降;2)第Ⅰ~Ⅲ组的CAT活性、SOD活性和 GSH-Px活性均高于对照组(P<0.01),MDA含量均低于对照组(P<0.01),表明 MT能够有效改善淋巴细胞的抗氧化能力;3)试验Ⅰ~Ⅲ组的Bax基因相对表达量均显著低于对照组(P<0.01),但试验Ⅰ~Ⅲ组Bcl-2基因的表达量和p50基因的表达量均显著低于对照组(P<0.01),表明MT可以调节与细胞凋亡相关基因的表达。综上所述,添加MT可以降低奶牛淋巴细胞死亡率,改善奶牛淋巴细胞抗氧化性能,抑制奶牛淋巴细胞凋亡,以添加终浓度为70μg/mL的 MT效果最好。%The effect of exogenous MT on lymphocyte apoptosis of the dairy cow was studied invitro under heat stress.The splenic dairy cow lymphocytes were divided into 4 groups which had final concentrations of MT 0 (control group),70 (groupⅠ),140 (groupⅡ)and 210μg/mL (groupⅢ).The cells of each group were cul-tured in a cell incubator (37°C,5%CO2 ).After 20 h,the cells of each group were put into water bath pot (43°C)for 1 h,and then recultured in a cell incubator (37°C,5%CO2)for 3 h.Finally,various indexes were tested by observation of morphology and RT-PCR.1)MT added in cell culture medium reduced the damage of dairy cow lymphocytes under heat stress,but the effect decreased with an increase in MT concentration.2) The activities of CAT,SOD,GSH-Px in groups Ⅰ to Ⅲ were higher than those in the control group and the content of MDA were lower.It is suggested that MT could improve antioxidation of lymphocytes.3)The rela-tive transcript levels of Bax and p50 in group Ⅰ to Ⅲ were significantly (P<0.01)lower than those in the control group.The relative transcript level of Bcl-2 in groups Ⅰ to Ⅲ were significantly (P<0.01)higher than those in the control group.This indicated that MT could regulate the expression of genes related to lym-phocyte apoptosis.In conclusion,exogenous MT decreased lymphocyte mortality rate,improved lymphocyte inoxidizability and restrained lymphocyte apoptosis .The best final concentration of MT was 70μg/mL.
    • 王雪芹; 郝选明
    • 摘要: 研究6周递增负荷运动对小肠集合淋巴结(PP结)线粒体膜电位(ΔΨm)、BaxmRNA、Bcl-2mRNA和细胞色素C(Cyt C)的影响,探讨PP结淋巴细胞线粒体凋亡途径指标的变化。将64只8周龄雄性SD大鼠随机分为运动组和对照组,运动组进行6周的递增负荷跑台训练,分别于第0、2、4、6周末,利用FQ-RT-PCR技术测定Bax和Bcl-2mRNA的表达水平;利用JC-1染色流式细胞术检测PP结淋巴细胞的平均J-aggregate( FL2)和J-monomer( FL1)的含量,并计算ΔΨm( FL2/FL1);用ELISA法测定Cyt C的浓度。结果显示:(1)6周递增负荷运动过程中,在第2、4、6周,PP结淋巴细胞的ΔΨm显著低于0周,第4周的ΔΨm最低;(2)与0周相比,第4、6周PP结BaxmRNA表达明显增加,Bcl-2mRNA表达降低,Bcl-2/Bax值明显降低;(3)与0周相比,第2、4、6周PP结Cyt C浓度明显增加。结果表明递增负荷运动可能是通过影响线粒体途径从而影响PP结淋巴细胞凋亡的。%The authors studied the effects of 6-week load gradually increased exercising on the membrane potential (ΔΨm), BaxmRNA, Bcl-2mRNA and Cytochrome C (Cyt C) of mitochondria in Peyer’s patches, and probed into the changing of such an index as mitochondrial apoptosis pathway in Peyer’s patches. The authors divided 64 8-week old male SD rats randomly into an exercising group and a control group, let the rats in the exercising group do a load gradually in-creased exercise on a treadmill for 6 weeks, measured the levels of Bax and Bcl-2mRNA expression by utilizing the FQ-RT-PCR technology and the average contents of J-aggregate ( FL2 ) and J-monomer ( FL1) of lymphocyte in Peyer’s patches by utilizing JC-1 staining flow cytometry at the end of weeks 0, 2 4 and 6 respectively, calculated ΔΨm ( FL2/FL1), and measured the concentration of Cyt C by apply the ELISA method. The authors revealed the following findings:1) during 6-week load gradually increased exercising, the ΔΨms of lymphocytes in Peyer’s patches calculated in weeks 2, 4 and 6 were significantly lower than that calculated in week 0, the ΔΨm calculated in week 4 was the lowest;2) as compared with those measured in week 0, measured in weeks 4 and 6, the levels of BaxmRNA expression in Peyer’s patches increased significantly, the levels of Bcl-2mRNA expression decreased, and the ratio of Bcl-2 to Bax decreased significantly;3) as compared with those measured in week 0, the concentrations of Cyt C in Peyer’s patches measured in weeks 2, 4 and 6 increased significantly. The said findings indicated that load gradually increased exercising might affect the apoptosis of lymphocytes in Peyer’s patches by affecting the mitochondrial pathway.
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