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1.
目的研究苦杏仁苷对子宫内膜癌细胞RL95-2及HEC-1B增殖、侵袭及凋亡的影响。方法使用8、16、32、64和128mg/L浓度苦杏仁苷处理RL95-2、HEC-1B细胞24、48和72h后,采用CCK-8法检测各组细胞增殖能力并计算苦杏仁苷的半数抑制浓度(IC50);Transwell试验检测苦杏仁苷对细胞侵袭能力的影响;流式细胞仪检测各组细胞凋亡情况;Western blot试验检测凋亡相关基因Bcl-2、Bax蛋白以及PI3K/Akt/m TOR信号通路相关蛋白表达情况。结果苦杏仁苷呈浓度及时间依赖性抑制子宫内膜癌RL95-2、HEC-1B细胞生长活性,48h时半数抑制浓度(IC50)约为40mg/L;苦杏仁苷能抑制RL95-2、HEC-1B细胞穿膜细胞数[(227.67±11.06)个比(459.33±24.75)个,(188.67±11.14)个比(412.33±14)个,P均0.01];经苦杏仁苷处理后RL95-2、HEC-1B细胞凋亡率升高[(7.85±0.71)%比(1.49±0.08)%、(8.55±0.69)%比(1.61±0.13)%,P均0.01],凋亡蛋白Bcl-2表达下降[(0.19±0.03)比(0.36±0.04)、(0.25±0.04)比(0.39±0.05),P均0.01],Bax表达升高[(0.37±0.06)比(0.18±0.04)、(0.41±0.06)比(0.21±0.03),P均0.01];苦杏仁苷能显著下调RL95-2、HEC-1B细胞的PI3K[(0.42±0.04)比(0.78±0.05)、(0.36±0.05)比(0.63±0.03),P均0.01]、Akt[(0.73±0.05)比(0.92±0.05)、(0.65±0.03)比(0.86±0.04),P均0.01]及m TOR[(0.25±0.04)比(0.93±0.06)、(0.34±0.05)比(0.88±0.04),P均0.01]磷酸化水平,抑制PI3K/Akt/m TOR通路活化。结论苦杏仁苷通过抑制PI3K/Akt/m TOR信号通路活化,促进子宫内膜癌RL95-2、HEC-1B细胞凋亡,降低其增殖活性,抑制细胞侵袭功能,从而发挥抗肿瘤作用。  相似文献   

2.
目的观察黄芩苷联合顺铂是否能诱导HepG2.0细胞凋亡及探讨其对凋亡相关蛋白表达的影响。方法采用体外细胞培养方法,分别用黄芩苷、顺铂及黄芩苷联合顺铂干预HepG2.0细胞。用CCK-8法检测细胞活性;光学显微镜观察HepG2.0细胞凋亡的形态学改变;流式细胞仪检测HepG2.0细胞凋亡率;Western blot检测凋亡相关蛋白Bcl-2、Bax、Caspase-3、c-myc表达的影响。结果光学显微镜下可观察到药物组细胞凋亡的形态改变;各药物组细胞早期凋亡率显著升高;各药物组细胞Bcl-2蛋白表达水平下降,Bax、c-myc和Caspase-3表达升高。结论黄芩苷、顺铂及黄芩苷联合顺铂均能诱导HepG2.0细胞凋亡,其机制可能通过调控Bcl-2、Bax、Caspase-3、c-myc蛋白的表达有关。  相似文献   

3.
目的探讨依维莫司(RAD001)联合顺铂对人胃癌SGC7901细胞凋亡及Bcl-2、Bax表达的影响。方法体外培养SGC7901细胞,将其分为对照组,顺铂组(顺铂2.50 mg/L),RAD001低浓度组(RAD001 5.00nmol/L)、RAD001中浓度组(RAD001 10.00nmol/L)、RAD001高浓度组(RAD001 20.00nmol/L)及联合组(顺铂1.25mg/L+RAD001 5.00nmol/L),采用流式细胞术检测SGC7901细胞的凋亡率,采用免疫细胞化学、Western blot检测SGC7901细胞Bcl-2和Bax的表达情况。结果 RAD001、顺铂作用SGC7901细胞48h后,对照组,顺铂组,RAD001低、中、高浓度组及联合组的细胞凋亡率分别为(8.04±0.48)%、(18.94±0.75)%、(10.47±1.05)%、(13.93±2.45)%、(17.20±0.65)%及(23.18±1.05)%。除RAD001低浓度组细胞凋亡率与对照组比较,差异无统计学意义(P>0.05),其他各组细胞凋亡率均较对照组显著增加(P<0.05)。与对照组比较,顺铂组、RAD001组及联合组SGC7901细胞Bcl-2蛋白表达下降,而Bax蛋白表达增加,Bcl-2/Bax比值降低(P<0.05),联合组改变最明显。结论 RAD001联合顺铂可通过上调Bax和下调Bcl-2蛋白的表达诱导SGC7901细胞凋亡。  相似文献   

4.
目的探讨乌骨藤C_(21)甾体苷对唾液腺腺样囊性癌荷瘤小鼠的抗肿瘤作用及机制。方法建立SACC-83细胞和SACC-LM细胞荷瘤模型鼠,给药组C_(21)甾体苷(10mg·kg-1·d-1)连续注射4周,模型组注射等量生理盐水,30天后取材。称瘤重,计算抑瘤率,各组裸鼠肿瘤、癌旁组织和肺组织HE染色观察病理改变,Western blot和qPCR分别检测C_(21)甾体苷对各组瘤体组织caspase-3,Bcl-2,Bax蛋白和mRNA表达影响。结果 C_(21)甾体苷给药4周后,SACC-83 C_(21)甾体苷组的肿瘤体积与SACC-83模型组相比明显减小[(232.6±32.8)mm~3比(317.7±58.6)mm~3,P0.05],抑瘤率为26.8%;SACC-LM C_(21)甾体苷组的肿瘤体积与SACC-LM模型组相比明显减小[(296.5±38.8)mm~3比(394.1±28.9)mm~3,P0.05],抑瘤率为24.8%。病理学结果显示,C_(21)甾体苷药物治疗后能抑制肿瘤的增殖和转移。Western blot结果显示,对于Bcl-2的蛋白水平,SACC-83 C_(21)甾体苷组和SACC-LM C_(21)甾体苷组相较于各自的模型组均显著下调且差异显著[(0.563±0.072)比(1.000±0.069),P0.01;(0.664±0.061)比(1.155±0.071),P0.01];对于Bax和caspases-3的蛋白水平,SACC-83 C_(21)甾体苷组和SACC-LM C_(21)甾体苷组相较于各自的模型组均显著上调且差异显著[Bax:(1.969±0.181)比(1.000±0.072),P0.01;(1.521±0.120)比(0.844±0.062),P 0.01;caspases-3:(3.028±0.256)比(1.000±0.093),P0.01;(1.934±0.188)比(0.890±0.036),P0.01]。qPCR结果同样表明C_(21)甾体苷治疗后能显著抑制Bcl-2 mRNA表达水平[(0.563±0.014)比(1.002±0.072),P0.01;(0.649±0.065)比(1.172±0.133),P0.01],上调Bax和caspases-3的mRNA表达水平[Bax:(1.660±0.227)比(1.005±0.122),P 0.01;(1.313±0.115)比(0.817±0.071),P 0.01;caspases-3:(2.604±0.174)比(1.001±0.0403),P0.01;(1.746±0.080)比(0.886±0.087),P0.01]。结论乌骨藤C_(21)甾体苷可抑制唾液腺腺样囊性癌在裸鼠体内的增殖,其机制可能是通过促进细胞凋亡而发挥对肿瘤的抑制作用。  相似文献   

5.
目的探讨水飞蓟宾联合顺铂对人肺癌细胞A549的杀伤效应及机制。方法将人肺癌细胞A549分别用水飞蓟宾、顺铂及两者联合干预后,采用MTT法检测不同干预方案对A549细胞的抑制作用,流式细胞术检测细胞凋亡情况,Western blot法检测细胞Bcl-2与Bax的表达;利用小RNA抑制Bax的表达后,观察水飞蓟宾联合顺铂对A549细胞凋亡的诱导作用。结果水飞蓟宾联合顺铂对A549细胞增殖的抑制率(69.9±6.8)%,凋亡率(53.5±4.2)%;水飞蓟宾对A549细胞增殖的抑制率(6.9±0.7)%,凋亡率(7.9±1.5)%;顺铂分别为(13.3±2.9)%和(16.8±2.2)%。水飞蓟宾联合顺铂治疗A549细胞的增殖抑制率和凋亡率均优于单用水飞蓟宾和顺铂治疗组(P0.05)。水飞蓟宾联合顺铂诱导A549细胞凋亡依赖于细胞内Bcl-2/Bax的比值,当转染Bax si RNA后,水飞蓟宾联合顺铂对A549的凋亡诱导率为(27.6±3.0)%,未转染Bax si RNA则两者联合治疗A549凋亡诱导率为(50.6±4.7)%,差异有统计学意义(P0.05)。结论水飞蓟宾联合顺铂通过降低Bcl-2/Bax比例诱导人肺癌细胞发生凋亡。  相似文献   

6.
目的 探讨艾司西酞普兰对抑郁模型大鼠海马胶质细胞源性神经营养因子(GDNF)及细胞凋亡相关因子表达的影响.方法 雄性SD大鼠按随机数字表分为对照组(A)、对照加药组(B)、抑郁组(C)和抑郁加药组(D),以慢性轻度不可预见性的应激结合孤养建立抑郁动物模型,应激同时B、D组予艾司西酞普兰(10 mg/kg)干预,A、C组予等体积生理盐水灌胃处理,共28 d.TUNEL法检测海马细胞凋亡情况,用实时荧光PCR方法检测海马GDNF、Bax、Bcl-2、Caspase3 mRNA的表达.结果 ①与A组[(12.0±1.83)个]比,C组[(19.3±1.77)个]海马细胞凋亡数显著增加(P<0.01),而B组[(11.9±1.91)个]细胞凋亡数无明显差异(P>0.05);与C组比,D组[(12.7±1.77)个]细胞凋亡数显著减少(P<0.01).②与A组比,C组海马GDNF、Bcl-2 mRNA表达减少(P<0.01),Bax、Caspase3 mRNA表达增加(P<0.01);与C组比,D组GDNF、Bcl-2 mRNA表达增加(P<0.01),Bax、Caspase3 mRNA表达降低(P<0.01).结论 艾司西酞普兰可改善抑郁大鼠的抑郁行为及预防海马细胞凋亡,其机制可能是通过增加海马GDNF mRNA的表达,上调Bcl-2及下调Bax、Caspase3 mRNA的表达有关.  相似文献   

7.
目的观察黄连素联合顺铂对A549/DDP细胞凋亡的影响并探讨其相关机制。方法以A549/DDP细胞为研究对象,分别加入12μg/m L的顺铂、浓度为20μmol/L、40μmol/L、80μmol/L的黄连素+12μg/m L的顺铂,设置空白对照孔(PBS孔),分别用药物干预24 h、48 h、72 h,采用MTT法检测细胞增殖活性;各组用药干预48 h后,流式细胞仪检测细胞凋亡,Western blot法检测Caspase-3、Caspase-9、Bax、Bcl-2的蛋白表达情况,Real-time PCR法检测Caspase-3、Caspase-9、Bax、Bcl-2的m RNA表达水平。结果黄连素联合顺铂能够抑制A549/DDP细胞增殖(P0.01),并具有一定的时间-浓度依赖性。黄连素联合顺铂能够诱导耐药细胞A549/DDP凋亡(P0.01),且呈一定的浓度依赖性。不同浓度的黄连素联合顺铂使促凋亡相关基因Caspase-3、Caspase-9、Bax在蛋白和m RNA水平表达上调(P0.05),而抗凋亡基因Bcl-2在蛋白和m RNA水平表达下调(P0.05)。结论黄连素联合顺铂抑制A549/DDP细胞增殖和促凋亡的分子机制可能是上调促凋亡相关基因Caspase-3、Caspase-9、Bax的表达,下调抗凋亡基因Bcl-2的表达。  相似文献   

8.
目的探讨桃红四物汤(TST)对氧糖剥夺(OGD)诱导H9C2心肌细胞损伤的保护作用。方法将H9C2心肌细胞分为对照组、OGD模型组、OGD+TST含药血清组、OGD+TST含药血清+雷帕霉素组、OGD+TST含药血清+氯喹组。采用四唑盐(MTT)比色法检测细胞活力,流式细胞术检测细胞凋亡,免疫印迹法(Western blot)检测微管相关蛋白轻链3Ⅱ/3Ⅰ(LC3-Ⅱ/LC3-Ⅰ)比值及核孔糖蛋白62(p62),B-细胞淋巴瘤因子2(Bcl-2)和B-细胞淋巴瘤因子2相关X蛋白(Bax)表达量。结果与对照组比较,OGD模型组细胞活力显著下降[(42.23±3.19)%比(100.00±1.54)%,P0.05],细胞凋亡比例显著增多[(32.14±2.88)%比(3.54±0.23)%,P0.05],p62和Bax蛋白表达增多,LC3-Ⅱ/LC3-Ⅰ比值和Bcl-2蛋白表达减少;与OGD模型组比较,OGD+TST含药血清组细胞活力显著升高[(80.04±5.19)%比(42.23±3.19)%,P0.05],细胞凋亡明显减少[(10.01±1.04)%比(32.14±2.88)%,P0.05],LC3-Ⅱ/Ⅰ比值、Bcl-2表达增多,p62和Bax蛋白表达减少。与OGD+TST含药血清组比较,OGD+TST含药血清+雷帕霉素组细胞活力显著升高[(89.01±5.35)%比(80.04±5.19)%,P0.05],细胞凋亡比例显著减少[(7.45±0.13)%比(10.01±1.04)%,P0.05],LC3-Ⅱ/Ⅰ比值、Bcl-2表达增多,p62和Bax蛋白表达减少;OGD+TST含药血清+氯喹组细胞活力下降[(53.13±4.13)%比(80.04±5.19)%,P0.05],凋亡细胞比例升高[(17.42±1.93)%比(10.01±1.04)%,P0.05],LC3-Ⅱ/Ⅰ比值、Bcl-2表达减少,p62和Bax蛋白表达增多。结论桃红四物汤可能促进氧糖剥夺H9C2心肌细胞自噬,抑制心肌细胞凋亡,对心肌缺血起保护作用。  相似文献   

9.
目的 探讨下调β2型肾上腺素受体(beta-2 adrenergic receptor,ADRB2)基因表达对卵巢上皮性癌细胞顺铂敏感性以及细胞增殖、凋亡的影响及机制。 方法 以人卵巢癌细胞株SKOV3/DDP为研究对象,采用小RNA干扰技术沉默ADRB2的表达,实验分为4组:ADRB2 shRNA1感染组、ADRB2 shRNA2感染组、阴性对照shRNA感染组、未感染的SKOV3/DDP细胞作为空白对照组。采用不同浓度(0、2.5、5、10、20、40 μmol/L)顺铂作用后,采用CCK-8法检测4组卵巢癌细胞的生长抑制率,流式细胞仪检测4组细胞的凋亡率,Western blot法检测4组卵巢癌细胞中caspase-9、Bcl-2及Bax蛋白的表达,采用单因素方差分析进行比较。 结果 不同浓度的顺铂处理后,4组细胞的生长抑制率均逐渐升高,且呈剂量依赖性。2组ADRB2 shRNA感染细胞的顺铂耐药IC50分别为(29±8)μmol/L和(32±11)μmol/L,明显低于阴性对照组[(104±15)μmol/L,P<0.01]和空白对照组[(112±10)μmol/L,P<0.01];4组细胞的凋亡率逐渐增加,且呈剂量依赖性。2组ADRB2 shRNA感染细胞的凋亡率均明显高于阴性对照组(P<0.01)。4组细胞的caspase-9、Bax蛋白的表达水平逐渐增加,且呈浓度依赖性,2组ADRB2 shRNA感染细胞的caspase-9、Bax蛋白水平均明显高于阴性对照组(均P<0.05)。4组细胞的Bcl-2蛋白的表达水平逐渐降低,且呈浓度依赖性,2组ADRB2 shRNA感染细胞的Bcl-2蛋白水平均明显低于阴性对照组(均P<0.05)。 结论 顺铂诱导可使ADRB2基因下调的顺铂耐药卵巢癌细胞的增殖减少、凋亡增加,其可能机制为通过调节caspase-9、Bcl-2和Bax凋亡家族蛋白的表达,从而增加细胞对顺铂的敏感性。   相似文献   

10.
目的研究大蒜素(Allitridi)对体外人子宫内膜癌Ishikawa细胞顺铂化疗敏感性的影响并其机制。方法体外培养并取对数生长期Ishikawa细胞,设空白对照组、大蒜素(25μg/ml)组、顺铂(40μg/ml)组和联合干预[大蒜素(25μg/ml)+顺铂(20μg/ml)]组。MTT比色法测定细胞增殖抑制率,流式细胞术检测细胞周期并观察细胞凋亡状况,RT-PCR法测定Bax mRNA、Bcl-2 mRNA表达,Western blotting法检测激活型Caspase-3蛋白表达。结果较顺铂组,联合干预组细胞增殖抑制率显著升高,处于细胞周期G0/G1期比例显著升高而S期、G2/M期比例显著降低,细胞凋亡率(AI)显著升高,Bax mRNA表达上调、Bcl-2 mRNA表达下调且Bax/Bcl-2比值显著升高,激活型Caspase-3蛋白表达上调;较空白对照组,大蒜素组处于细胞G0/G1期比例显著提高、G2/M期比例显著降低,Bcl-2 mRNA表达下调、Bax/Bcl-2比值升高,激活型Caspase-3蛋白表达显著上调;上述差异均具有统计学意义(P0.05,P0.01)。结论大蒜素具有提高人子宫内膜癌细胞顺铂化疗敏感性的作用,机制可能与阻滞细胞周期及调节凋亡相关基因、蛋白表达有关。  相似文献   

11.
FOR anesthesiologis s ,treatingpostoperativepainhas alwaysbeen a problem.Althoughopioidshave been provedtobe effective,theirsideeffectscouldnotbeignored.With thedevelopmentofscienceand pharmacology,many drugs with aspectsof satisfactoryanalgesicefficacyand couldbe welltoleratedby patientshave been developed.And lornoxicamisone of them, which isa non-steroidalanti-inflammatorydrug (NSAID ), with analgesic, anti-infl-ammatory,andantipyreticproperties.Itseliminationhalf-time(3 to 5 hours) isle…  相似文献   

12.
Dr.Zhang Ren,the chief physician,is the chairman of Shanghai Acupuncture and Moxibustion Association.Having been engaged in medicine for about 40 years,he is experienced in treating various intractable diseases.In his long years of clinical practice,he advocates taking the TCM differentiation as the basis to seek for the acupuncture method for treatment of modern intractable diseases.The author of this essay had the fortune to follow Dr.Zhang in study.The following is a summary of Dr.Zhang's experience in the acupuncture treatment for different intractable diseases with the same therapeutic principle.  相似文献   

13.
In treating chronic nephropathy,Luo Lingjie,a chief physician,pays attention to regulating the balance between yin and yang,treating infection if present,and removing pathogenic factors.He prescribes gentle drugs and uses carefully strongly warming-tonifying ones,emphasizes the importance of persuading the patient to persist in treatment with medication and nurse one's health for recuperation,and is good at combined use of TCM and western medicine therapy and brings the merits of various therapies into full play,with obvious theraoeutic effects.  相似文献   

14.
Objective: To observe the therapeutic effects in acupunture treatment of primary dysmenorrhea combined with spinal Tui Na, and study its mechanism. Methods: Thirty cases of the treatment group were treated by acupuncture combined with spinal Tui Na, and thirty cases in the control group were treated by routine acupuncture. Results: The total effective rate was 93.3% in the treatment group, and 73.3% in the control group, with a significant difference between the two groups (P<0.05). Conclusions: Acupuncture combined with spinal Tui Na has good prospects for treatment of primary dysmenorrhea.  相似文献   

15.
16.
目的 探讨猪肺磷脂注射液联合经鼻持续气道正压通气(NCPAP)对呼吸衰竭早产儿的临床疗效及肌酸激酶同工酶活性(CK-MB)的影响.方法 选取呼吸衰竭早产儿80例,分为观察组和对照组各40例.对照组采用NCPAP给氧治疗,观察组给予NCPAP给氧联合猪肺磷脂气管内给药.观察两组患儿治疗前及治疗12h、24 h后PaO2、PaCO2、血氧饱和度(SaO2)、pH的变化情况,检测治疗前及治疗5d后血清CK-MB水平;评估两组患儿的临床治疗效果.结果 两组患儿PaO2、PaCO2、SaO2、pH比较,差异均有统计学意义(P<0.05),其中观察组治疗后的PaO2、SaO2、pH均高于对照组,PaCO2则低于对照组.两组的PaO2、SaO2、pH均随观察时间延长而升高(P<0.05),PaCO2均随观察时间的延长而降低(P<0.05).观察组治疗有效率为87.5%,显著高于对照组的70.0% (P <0.05).治疗5d后两组患儿血清CK-MB水平均较前降低(P<0.05),且观察组明显低于对照组(P<0.05).结论 猪肺磷脂注射液气管内给药联合NCPAP可以显著降低呼吸衰竭早产儿CK-MB的含量,提高治疗有效率,起到很好的呼吸循环支持作用.  相似文献   

17.
CASE HISTORY A female patient, 46 years old, head of the foreign affairs department of a certain university in Beijing, paid her first visit on October 9, 2006, with the chief complaint of vomiting for one month. She got vomiting after meals in early September. Before that, she had discomfortable sensation in the stomach due to angry with others, but she didn't pay much attention. Later, it developed into vomiting after eating. After the vomiting, the discomfort would be relieved, but with slight hypodynamia. She was once diagnosed as having 'neurogenic vomiting'. Having taken some western and Chinese drugs, the above symptoms were a little bit improved, but she would have nausea upon eating and with regurgitation. Because of the fear for vomiting, she did not dare to have food intake, with body weight reduction of 6 kilos in one month.  相似文献   

18.
Radiotherapy and chemotherapy are the important modern medical therapies for malignant tumors,yet they can also bring about serious local and systemic toxic side reactions so to decrease the patient;'s life quality,manifested by a series of consumptive symptoms.Having engaged in the combined work of Chinese and western medicine for nearly 50 years,the research fellow Qiu Baoguo in Henan Provincial Academy of TCM has developed his unique views on the TCM study of consumptive syndromes.The author of this essay had once the fortune tO follow Dr.Qiu in clinic,and specially would like to introduce in the following Dr.Qiu's experience in treating consumptive syndromes after radio-chemotherapies for patients with malignant tumor.  相似文献   

19.
OBJECTIVE: To observe therapeutic effects of the comprehensive therapy of acupuncture-moxibustion and Chinese Tuina for treatment of insomnia due to deficiency of both the heart and spleen. METHODS: 92 cases were divided randomly into the treatment group (treated by acupuncture-moxibustion and Chinese Tuina) and the control group (treated by acupuncture-moxibustion). RESULTS: The therapeutic effect of the treatment group was obviously superior to that of the control group (the CHI2 test showed P < 0.01). CONCLUSIONS: The comprehensive therapy of acupuncture-moxibustion and Chinese Tuina can give marked therapeutic effects for treatment of insomnia due to deficiency of both the heart and spleen.  相似文献   

20.
Evidence obtained from randomized controlled trials (RCTs) has been generally accepted as the gold standard in the evaluation of clinical effectiveness. Readers need to understand the trial design, implementation, results, analysis and interpretation, so as to fully Jnderstand the results of RCTs. Thus, the investigators of RCTs have to report these items in a complete, accurate and clear manner. Since 1998, we have conducted several evaluations on the reporting quality of RCTs published in Chinese journals on traditional Chinese medicine (TCM) and results have shown that there is an urgent need for higher quality RCTs on TCM.  相似文献   

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