目的:探讨结直肠癌(colorectal cancer,CRC)中非染色体结构维持蛋白凝缩蛋白复合体I亚单位H(non-SMC condensin I complex subunit H,NCAPH)、G补缀FHA域血管新生因子1(angiogenic factor with G and FHA domains 1,AGGF1)及跨膜4L六家...目的:探讨结直肠癌(colorectal cancer,CRC)中非染色体结构维持蛋白凝缩蛋白复合体I亚单位H(non-SMC condensin I complex subunit H,NCAPH)、G补缀FHA域血管新生因子1(angiogenic factor with G and FHA domains 1,AGGF1)及跨膜4L六家族成员1(transmembrane-4-L-six-family-1,TM4SF1)蛋白质表达之间的关系及临床意义。方法:收集145例CRC术后标本和30例癌旁正常黏膜组织标本,采用免疫组织化学法检测CRC和癌旁正常黏膜组织中NCAPH、AGGF1及TM4SF1蛋白质的表达情况,分析其表达与各种临床病理因素的关系以及三者之间的相关性。结果:在CRC和癌旁组织中,NCAPH、AGGF1及TM4SF1的阳性表达率分别为55.2%、53.1%、60.7%和3.3%、6.6%、0,差异均有统计学意义(均P<0.001)。3种蛋白质的表达均与CRC的组织学分化和TNM分期有关(均P<0.001);NCAPH和TM4SF1的表达均与CRC的淋巴结转移有关(均P<0.05);NCAPH和AGGF1的表达均与CRC组织脉管侵犯有关(均P<0.05);AGGF1和TM4SF1的表达均与CRC的肿瘤浸润深度有关(均P<0.01)。TM4SF1的表达分别与NCAPH和AGGF1的表达呈正相关(r值分别为0.311和0.517,均P<0.001);同时,AGGF1与NCAPH的表达亦呈正相关(r=0.291,P=0.001)。Kaplan-Meier生存分析表明:NCAPH、AGGF1及TM4SF1的表达上调均与患者的生存率有关,NCAPH、AGGF1及TM4SF1阳性的患者生存率明显低于三者阴性患者(均P<0.05)。多因素分析表明:TNM分期、NCAPH、AGGF1及TM4SF1的表达和肿瘤脉管侵犯均是影响CRC根治术后患者预后的独立因素(均P<0.05)。结论:CRC组织中NCAPH、AGGF1及TM4SF1的表达上调与CRC的分化程度、转移和预后等因素相关,这些指标的联合检测可能作为判断CRC进展及患者预后的重要指标。展开更多
Background:The primary cause of treatment failure in patients with refractory or relapsed B-cell non-Hodgkin lymphoma(r/r B-NHL)is resistance to current therapies,and therapy-induced senescence(TIS)stands out as a cru...Background:The primary cause of treatment failure in patients with refractory or relapsed B-cell non-Hodgkin lymphoma(r/r B-NHL)is resistance to current therapies,and therapy-induced senescence(TIS)stands out as a crucial mechanism contributing to tumor drug resistance.Here,we analyzed SENEX/Rho GTPase Activating Protein 18(ARHGAP18)expression and prognostic significance in doxorubicin-induced B-NHL-TIS model and r/r B-NHL patients,investigating its target in B-NHL cell senescence and the effect of combining specific inhibitors on apoptosis resistance in B-NHL-TIS cells.Methods:Raji cells were transfected with the human SENEX shRNA recombinant lentiviral vector(Sh-SENEX)and the empty vector negative(NC)to construct a stable transfection cell line with knockdown of SENEX.Effect of SENEX-silencing on B-NHL-TIS formation,cell function and cell cycle-related pathways was analyzed.Using doxorubicin(DOX)-inducible senescent B-NHL cells combined with the specific cyclin dependent kinase 4/6(CDK4/6)inhibitor Palbociclib to observe that blocking CDK4/6 effects on TIS formation.SENEX expression of 21 B-NHL patients and 8 healthy controls were analyzed by qRT-PCR,and the correlation between its expression and clinical indicators were evaluated.Results:The downregulation of SENEX expression promotes G1-S phase transition and apoptosis while inhibiting cell proliferation,collectively suppressing the formation of TIS in B-NHL.Blockade of CDK4/6 promotes the DOX-induced G1 phase arrest to enhance TIS formation in B-NHL cells which can reverse the regulatory effect of silencing SENEX on B-NHL cell cycle regulation and senescence.The expression levels of SENEX were notably elevated in B-NHL patients compared to healthy controls,and Elevated expression levels of SENEX were associated with poor prognosis of B-NHL patients.Conclusions:SENEX enhances apoptosis resistance in B-NHL by inhibiting CDK4/6,thereby preventing G1-S phase transition and promoting TIS formation.展开更多
目的评估CYP3A4*1G多态性对行腹腔镜结肠癌根治术患者芬太尼剂量的影响。方法选取2018年7月—2020年4月复旦大学附属中山医院行芬太尼麻醉腹腔镜结肠癌根治术的患者101例,检测其CYP3A4*1G基因型。采用多重线性回归分析探讨CYP3A4*1G多...目的评估CYP3A4*1G多态性对行腹腔镜结肠癌根治术患者芬太尼剂量的影响。方法选取2018年7月—2020年4月复旦大学附属中山医院行芬太尼麻醉腹腔镜结肠癌根治术的患者101例,检测其CYP3A4*1G基因型。采用多重线性回归分析探讨CYP3A4*1G多态性与芬太尼剂量之间的关系。结果多重线性回归分析结果显示,年龄、术中芬太尼剂量和CYP3A4*1G、CYP3A5*3、OPRM1 A118G多态性是麻醉后复苏观察室(PACU)芬太尼剂量的影响因素(P<0.05)。校正年龄、性别、体重、身高、术中芬太尼用量、手术时间和OPRM1 A118G、CYP3A5*3、COMT V158M多态性后,CYP3A4*1G野生型(*1*1型)患者PACU芬太尼剂量较CYP3A4*1G突变型[*1*1G型(杂合型)和*1G*1G(纯合型)]患者增加13.99μg[β=-13.99,95%可信区间(CI)为-6.78~-1.20,P=0.035],CYP3A4*1G多态性与术后24 h镇痛泵自控静脉镇痛(PCIA)芬太尼剂量无关(β=-7.79,95%CI为-33.70~-18.11,P=0.557),与术后48 h PCIA芬太尼剂量也无关(β=-10.28,95%CI为-22.70~2.15,P=0.108)。与CYP3A4*1G野生型(*1*1型)患者比较,CYP3A4*1G突变型[*1*1G型(杂合型)和*1G*1G(纯合型)]患者PACU和术后24 h PCIA芬太尼剂量显著降低(P<0.05)。结论CYP3A4*1G多态性是PACU芬太尼剂量的独立影响因素。相对于野生型患者,突变型患者消耗较少剂量芬太尼即可获得相似的麻醉效果。展开更多
文摘目的:探讨结直肠癌(colorectal cancer,CRC)中非染色体结构维持蛋白凝缩蛋白复合体I亚单位H(non-SMC condensin I complex subunit H,NCAPH)、G补缀FHA域血管新生因子1(angiogenic factor with G and FHA domains 1,AGGF1)及跨膜4L六家族成员1(transmembrane-4-L-six-family-1,TM4SF1)蛋白质表达之间的关系及临床意义。方法:收集145例CRC术后标本和30例癌旁正常黏膜组织标本,采用免疫组织化学法检测CRC和癌旁正常黏膜组织中NCAPH、AGGF1及TM4SF1蛋白质的表达情况,分析其表达与各种临床病理因素的关系以及三者之间的相关性。结果:在CRC和癌旁组织中,NCAPH、AGGF1及TM4SF1的阳性表达率分别为55.2%、53.1%、60.7%和3.3%、6.6%、0,差异均有统计学意义(均P<0.001)。3种蛋白质的表达均与CRC的组织学分化和TNM分期有关(均P<0.001);NCAPH和TM4SF1的表达均与CRC的淋巴结转移有关(均P<0.05);NCAPH和AGGF1的表达均与CRC组织脉管侵犯有关(均P<0.05);AGGF1和TM4SF1的表达均与CRC的肿瘤浸润深度有关(均P<0.01)。TM4SF1的表达分别与NCAPH和AGGF1的表达呈正相关(r值分别为0.311和0.517,均P<0.001);同时,AGGF1与NCAPH的表达亦呈正相关(r=0.291,P=0.001)。Kaplan-Meier生存分析表明:NCAPH、AGGF1及TM4SF1的表达上调均与患者的生存率有关,NCAPH、AGGF1及TM4SF1阳性的患者生存率明显低于三者阴性患者(均P<0.05)。多因素分析表明:TNM分期、NCAPH、AGGF1及TM4SF1的表达和肿瘤脉管侵犯均是影响CRC根治术后患者预后的独立因素(均P<0.05)。结论:CRC组织中NCAPH、AGGF1及TM4SF1的表达上调与CRC的分化程度、转移和预后等因素相关,这些指标的联合检测可能作为判断CRC进展及患者预后的重要指标。
基金This work was supported by the Major Subject of Science and Technology of Anhui Province(Grant Number:201903a07020030).
文摘Background:The primary cause of treatment failure in patients with refractory or relapsed B-cell non-Hodgkin lymphoma(r/r B-NHL)is resistance to current therapies,and therapy-induced senescence(TIS)stands out as a crucial mechanism contributing to tumor drug resistance.Here,we analyzed SENEX/Rho GTPase Activating Protein 18(ARHGAP18)expression and prognostic significance in doxorubicin-induced B-NHL-TIS model and r/r B-NHL patients,investigating its target in B-NHL cell senescence and the effect of combining specific inhibitors on apoptosis resistance in B-NHL-TIS cells.Methods:Raji cells were transfected with the human SENEX shRNA recombinant lentiviral vector(Sh-SENEX)and the empty vector negative(NC)to construct a stable transfection cell line with knockdown of SENEX.Effect of SENEX-silencing on B-NHL-TIS formation,cell function and cell cycle-related pathways was analyzed.Using doxorubicin(DOX)-inducible senescent B-NHL cells combined with the specific cyclin dependent kinase 4/6(CDK4/6)inhibitor Palbociclib to observe that blocking CDK4/6 effects on TIS formation.SENEX expression of 21 B-NHL patients and 8 healthy controls were analyzed by qRT-PCR,and the correlation between its expression and clinical indicators were evaluated.Results:The downregulation of SENEX expression promotes G1-S phase transition and apoptosis while inhibiting cell proliferation,collectively suppressing the formation of TIS in B-NHL.Blockade of CDK4/6 promotes the DOX-induced G1 phase arrest to enhance TIS formation in B-NHL cells which can reverse the regulatory effect of silencing SENEX on B-NHL cell cycle regulation and senescence.The expression levels of SENEX were notably elevated in B-NHL patients compared to healthy controls,and Elevated expression levels of SENEX were associated with poor prognosis of B-NHL patients.Conclusions:SENEX enhances apoptosis resistance in B-NHL by inhibiting CDK4/6,thereby preventing G1-S phase transition and promoting TIS formation.
文摘目的评估CYP3A4*1G多态性对行腹腔镜结肠癌根治术患者芬太尼剂量的影响。方法选取2018年7月—2020年4月复旦大学附属中山医院行芬太尼麻醉腹腔镜结肠癌根治术的患者101例,检测其CYP3A4*1G基因型。采用多重线性回归分析探讨CYP3A4*1G多态性与芬太尼剂量之间的关系。结果多重线性回归分析结果显示,年龄、术中芬太尼剂量和CYP3A4*1G、CYP3A5*3、OPRM1 A118G多态性是麻醉后复苏观察室(PACU)芬太尼剂量的影响因素(P<0.05)。校正年龄、性别、体重、身高、术中芬太尼用量、手术时间和OPRM1 A118G、CYP3A5*3、COMT V158M多态性后,CYP3A4*1G野生型(*1*1型)患者PACU芬太尼剂量较CYP3A4*1G突变型[*1*1G型(杂合型)和*1G*1G(纯合型)]患者增加13.99μg[β=-13.99,95%可信区间(CI)为-6.78~-1.20,P=0.035],CYP3A4*1G多态性与术后24 h镇痛泵自控静脉镇痛(PCIA)芬太尼剂量无关(β=-7.79,95%CI为-33.70~-18.11,P=0.557),与术后48 h PCIA芬太尼剂量也无关(β=-10.28,95%CI为-22.70~2.15,P=0.108)。与CYP3A4*1G野生型(*1*1型)患者比较,CYP3A4*1G突变型[*1*1G型(杂合型)和*1G*1G(纯合型)]患者PACU和术后24 h PCIA芬太尼剂量显著降低(P<0.05)。结论CYP3A4*1G多态性是PACU芬太尼剂量的独立影响因素。相对于野生型患者,突变型患者消耗较少剂量芬太尼即可获得相似的麻醉效果。
