目的:探讨mTOR调节相关蛋白(regulatory-associated protein of mTOR,RAPTOR)对口腔鳞状细胞癌(oral squamous cell carcinoma,OSCC)迁移、侵袭和增殖能力的影响。方法:利用TCGA生物信息数据库查询在头颈部鳞状细胞癌(head and neck squ...目的:探讨mTOR调节相关蛋白(regulatory-associated protein of mTOR,RAPTOR)对口腔鳞状细胞癌(oral squamous cell carcinoma,OSCC)迁移、侵袭和增殖能力的影响。方法:利用TCGA生物信息数据库查询在头颈部鳞状细胞癌(head and neck squamous cell carcinoma,HNSCC)组织与癌旁组织中差异表达的mRNA。Western blot检测RAPTOR在人口腔上皮细胞HOEC和OSCC细胞系中的表达。利用伤口愈合实验、Transwell实验、EdU实验检测各组细胞迁移、侵袭及增殖能力。生物信息学网站预测与RAPTOR靶向结合的微小RNA(microRNA,miR)。功能学实验验证miR-485-5p是否可以靶向RAPTOR影响OSCC细胞的迁移、侵袭和增殖。结果:RAPTOR在HNSCC组织中较癌旁组织表达增高。伤口愈合、Transwell和EdU实验结果示,RAPTOR有促进OSCC细胞的迁移、侵袭和增殖能力。miR-485-5p能与RAPTOR靶向结合,且miR-485-5p上调能逆转RAPTOR促进CAL27细胞迁移、侵袭和增殖能力。结论:miR-485-5p通过靶向RAPTOR抑制OSCC细胞迁移、侵袭和增殖能力。展开更多
Objective To investigate the effect of mucin 1(MUC1)on the proliferation and apoptosis of nasopharyngeal carcinoma(NPC)and its regulatory mechanism.Methods The 60 NPC and paired para-cancer normal tissues were collect...Objective To investigate the effect of mucin 1(MUC1)on the proliferation and apoptosis of nasopharyngeal carcinoma(NPC)and its regulatory mechanism.Methods The 60 NPC and paired para-cancer normal tissues were collected from October 2020 to July 2021 in Quanzhou First Hospital.The expression of MUC1 was measured by real-time quantitative PCR(qPCR)in the patients with PNC.The 5-8F and HNE1 cells were transfected with siRNA control(si-control)or siRNA targeting MUC1(si-MUC1).Cell proliferation was analyzed by cell counting kit-8 and colony formation assay,and apoptosis was analyzed by flow cytometry analysis in the 5-8F and HNE1 cells.The qPCR and ELISA were executed to analyze the levels of TNF-αand IL-6.Western blot was performed to measure the expression of MUC1,NFкB and apoptosis-related proteins(Bax and Bcl-2).Results The expression of MUC1 was up-regulated in the NPC tissues,and NPC patients with the high MUC1 expression were inclined to EBV infection,growth and metastasis of NPC.Loss of MUC1 restrained malignant features,including the proliferation and apoptosis,downregulated the expression of p-IкB、p-P65 and Bcl-2 and upregulated the expression of Bax in the NPC cells.Conclusion Downregulation of MUC1 restrained biological characteristics of malignancy,including cell proliferation and apoptosis,by inactivating NF-κB signaling pathway in NPC.展开更多
目的分析胎龄<32周极低/超低出生体重新生儿呼吸窘迫综合征(NRDS)患儿输注红细胞次数的危险因素,探讨输注红细胞次数增加的相关并发症及预测指标,为NRDS患儿提供安全、科学的输血建议。方法通过回顾性分析收集本院2016年1月—2020年1...目的分析胎龄<32周极低/超低出生体重新生儿呼吸窘迫综合征(NRDS)患儿输注红细胞次数的危险因素,探讨输注红细胞次数增加的相关并发症及预测指标,为NRDS患儿提供安全、科学的输血建议。方法通过回顾性分析收集本院2016年1月—2020年12月585名胎龄<32周极低/超低出生体重NRDS新生儿,按住院期间输红细胞次数的不同分3组[输血0次(n=97)、输血1~2次(n=253)、输血≥3次(n=235)],比较3组患儿临床资料及实验室指标,分析导致极低和超低出生体重NRDS患儿输血次数增加的危险因素。结果3组新生儿胎龄(周)(30.72±1.84 vs 29.87±1.66 vs 28.29±1.46)、出生体重(g)(1366.19±128.12 vs 1265.20±163.98 vs 1081.73±196.06)、入院时血红蛋白量(g/L)(172.37±19.98 vs 161.96±21.41 vs 154.33±24.61)、入院红细胞压积比值(%)(50.46±5.74 vs 47.69±5.55 vs 45.46±6.84)、住院时间(d)(40 vs 51 vs 68)、无创通气时间(d)(6 vs 11.01 vs 24.56)、静脉营养时间(d)(16.73 vs 22.37 vs 30.74)两两比较,均有差异(P<0.05)。输血≥3次组有创通气时间(7.66 d)明显高于输血1~2次组和输血0次组(P<0.05)。3组间败血症(1%,1/97 vs 4%,10/253 vs 9.4%,22/235)、早产儿视网膜病变(ROP)(16.5%,16/97 vs 17%,43/253 vs 46.8%,110/235)、支气管肺发育不良(BPD)(4.1%,4/97 vs 19%,48/253 vs 59.1%,139/235)发病率两两比较,均有差异(P<0.05)。输血≥3次组新生儿坏死性小肠结肠炎(NEC)发生率(26.8%,63/235)与输血0次组比较有差异(P<0.05)。多因素Logistic回归分析显示:住院时间、有创通气时间、静脉营养时间是输血≥3次的独立危险因素(OR=1.048,1.073,1.030,均为P<0.05)。受试者工作特征曲线(ROC曲线)显示住院时间、有创呼吸时间、静脉营养时间对输血≥3次的预测效果较好,其ROC曲线下面积分别为0.841、0.766、0.716,3者Cutoff值分别为>57 d、>2.75 d及>23.75 d。结论NEC、败血症、BPD、ROP是胎龄<32周极低/超低出生体重NRDS患儿输血次数增加的并发症。而住院时间、有创通气时间和静脉营养时间对输血≥3次有较好的预测价值。展开更多
文摘目的:探讨mTOR调节相关蛋白(regulatory-associated protein of mTOR,RAPTOR)对口腔鳞状细胞癌(oral squamous cell carcinoma,OSCC)迁移、侵袭和增殖能力的影响。方法:利用TCGA生物信息数据库查询在头颈部鳞状细胞癌(head and neck squamous cell carcinoma,HNSCC)组织与癌旁组织中差异表达的mRNA。Western blot检测RAPTOR在人口腔上皮细胞HOEC和OSCC细胞系中的表达。利用伤口愈合实验、Transwell实验、EdU实验检测各组细胞迁移、侵袭及增殖能力。生物信息学网站预测与RAPTOR靶向结合的微小RNA(microRNA,miR)。功能学实验验证miR-485-5p是否可以靶向RAPTOR影响OSCC细胞的迁移、侵袭和增殖。结果:RAPTOR在HNSCC组织中较癌旁组织表达增高。伤口愈合、Transwell和EdU实验结果示,RAPTOR有促进OSCC细胞的迁移、侵袭和增殖能力。miR-485-5p能与RAPTOR靶向结合,且miR-485-5p上调能逆转RAPTOR促进CAL27细胞迁移、侵袭和增殖能力。结论:miR-485-5p通过靶向RAPTOR抑制OSCC细胞迁移、侵袭和增殖能力。
文摘Objective To investigate the effect of mucin 1(MUC1)on the proliferation and apoptosis of nasopharyngeal carcinoma(NPC)and its regulatory mechanism.Methods The 60 NPC and paired para-cancer normal tissues were collected from October 2020 to July 2021 in Quanzhou First Hospital.The expression of MUC1 was measured by real-time quantitative PCR(qPCR)in the patients with PNC.The 5-8F and HNE1 cells were transfected with siRNA control(si-control)or siRNA targeting MUC1(si-MUC1).Cell proliferation was analyzed by cell counting kit-8 and colony formation assay,and apoptosis was analyzed by flow cytometry analysis in the 5-8F and HNE1 cells.The qPCR and ELISA were executed to analyze the levels of TNF-αand IL-6.Western blot was performed to measure the expression of MUC1,NFкB and apoptosis-related proteins(Bax and Bcl-2).Results The expression of MUC1 was up-regulated in the NPC tissues,and NPC patients with the high MUC1 expression were inclined to EBV infection,growth and metastasis of NPC.Loss of MUC1 restrained malignant features,including the proliferation and apoptosis,downregulated the expression of p-IкB、p-P65 and Bcl-2 and upregulated the expression of Bax in the NPC cells.Conclusion Downregulation of MUC1 restrained biological characteristics of malignancy,including cell proliferation and apoptosis,by inactivating NF-κB signaling pathway in NPC.
文摘目的分析胎龄<32周极低/超低出生体重新生儿呼吸窘迫综合征(NRDS)患儿输注红细胞次数的危险因素,探讨输注红细胞次数增加的相关并发症及预测指标,为NRDS患儿提供安全、科学的输血建议。方法通过回顾性分析收集本院2016年1月—2020年12月585名胎龄<32周极低/超低出生体重NRDS新生儿,按住院期间输红细胞次数的不同分3组[输血0次(n=97)、输血1~2次(n=253)、输血≥3次(n=235)],比较3组患儿临床资料及实验室指标,分析导致极低和超低出生体重NRDS患儿输血次数增加的危险因素。结果3组新生儿胎龄(周)(30.72±1.84 vs 29.87±1.66 vs 28.29±1.46)、出生体重(g)(1366.19±128.12 vs 1265.20±163.98 vs 1081.73±196.06)、入院时血红蛋白量(g/L)(172.37±19.98 vs 161.96±21.41 vs 154.33±24.61)、入院红细胞压积比值(%)(50.46±5.74 vs 47.69±5.55 vs 45.46±6.84)、住院时间(d)(40 vs 51 vs 68)、无创通气时间(d)(6 vs 11.01 vs 24.56)、静脉营养时间(d)(16.73 vs 22.37 vs 30.74)两两比较,均有差异(P<0.05)。输血≥3次组有创通气时间(7.66 d)明显高于输血1~2次组和输血0次组(P<0.05)。3组间败血症(1%,1/97 vs 4%,10/253 vs 9.4%,22/235)、早产儿视网膜病变(ROP)(16.5%,16/97 vs 17%,43/253 vs 46.8%,110/235)、支气管肺发育不良(BPD)(4.1%,4/97 vs 19%,48/253 vs 59.1%,139/235)发病率两两比较,均有差异(P<0.05)。输血≥3次组新生儿坏死性小肠结肠炎(NEC)发生率(26.8%,63/235)与输血0次组比较有差异(P<0.05)。多因素Logistic回归分析显示:住院时间、有创通气时间、静脉营养时间是输血≥3次的独立危险因素(OR=1.048,1.073,1.030,均为P<0.05)。受试者工作特征曲线(ROC曲线)显示住院时间、有创呼吸时间、静脉营养时间对输血≥3次的预测效果较好,其ROC曲线下面积分别为0.841、0.766、0.716,3者Cutoff值分别为>57 d、>2.75 d及>23.75 d。结论NEC、败血症、BPD、ROP是胎龄<32周极低/超低出生体重NRDS患儿输血次数增加的并发症。而住院时间、有创通气时间和静脉营养时间对输血≥3次有较好的预测价值。