BACKGROUND Gastric cancer(GC)is a common malignant tumor,long non-coding RNA and microRNA(miRNA)are important regulators that affect tumor proliferation,metastasis and chemotherapy resistance,and thus participate in t...BACKGROUND Gastric cancer(GC)is a common malignant tumor,long non-coding RNA and microRNA(miRNA)are important regulators that affect tumor proliferation,metastasis and chemotherapy resistance,and thus participate in tumor progression.CASC19 is a new bio-marker which can promote tumor invasion and metastasis.However,the mechanism by which CASC19 affects the progression of GC through miRNA is not clear.AIM To explore the role of the CASC19/miR-491-5p/HMGA2 regulatory axis in GC.METHODS To explore the expression and prognosis of CASC19 in GC through clinical samples,and investigate the effects of inhibiting CASC19 on the proliferation,migration,invasion and other functions of GC cells through cell counting Kit-8(CCK-8),ethynyldeoxyuridine,Wound healing assay,Transwell,Western blot and flow cytometry experiments.The effect of miR-491-5p and HMGA2 in GC were also proved.The regulatory relationship between CASC19 and miR-491-5p,miR-491-5p and HMGA2 were validated through Dual-luciferase reporter gene assay and reverse transcription PCR.Then CCK-8,Transwell,Wound healing assay,flow cytometry and animal experiments verify the role of CASC19/miR-491-5p/HMGA2 regulatory axis.RESULTS The expression level of CASC19 is related to the T stage,N stage,and tumor size of patients.Knockdown of the expression of CASC19 can inhibit the ability of proliferation,migration,invasion and EMT conversion of GC cells,and knocking down the expression of CASC19 can promote the apoptosis of GC cells.Increasing the expression of miR-491-5p can inhibit the proliferation of GC cells,miR-491-5p mimics can inhibit EMT conversion,and promote the apoptosis of GC cells,while decreasing the expression of miR-491-5p can promote the proliferation and EMT conversion and inhibit the apoptosis of GC cells.The expression of HMGA2 in GC tissues is higher than that in adjacent tissues.At the same time,the expression level of HMGA2 is related to the N and T stages of the patients.Reducing the level of HMGA2 can promote cell apoptosis and inhibit the proliferation of GC cells.Cell experiments and animal experiments have proved that CASC19 can regulates the expression of HMGA2 through miR-491-5p,thereby affecting the biological functions of GC.CONCLUSION CASC19 regulates the expression of HMGA2 through miR-491-5p to affect the development of GC.This axis may serve as a potential biomarker and therapeutic target of GC.展开更多
目的观察药线点灸治疗颈型颈椎病的即时疗效。方法采用随机数字表法,将符合纳入标准的70例颈椎病患者随机分为治疗组和对照组,每组35例。治疗组采用药线点灸治疗,对照组采用透皮浅刺治疗。观察两组治疗前、治疗后30 min及24 h疼痛视觉...目的观察药线点灸治疗颈型颈椎病的即时疗效。方法采用随机数字表法,将符合纳入标准的70例颈椎病患者随机分为治疗组和对照组,每组35例。治疗组采用药线点灸治疗,对照组采用透皮浅刺治疗。观察两组治疗前、治疗后30 min及24 h疼痛视觉模拟评分(VAS评分)及颈椎病临床评价量表积分(CASCS积分)变化,并比较两组临床疗效。结果两组治疗后30 min,治疗后24 h VAS评分及CASCS积分均比同组治疗前显著降低(P<0.05,P<0.01);两组治疗后VAS评分比较,差异无统计学意义(P>0.05);治疗组治疗后30 min CASCS积分低于对照组(P<0.01);对照组治疗后24 h CASCS积分低于治疗组(P<0.05)。治疗后30 min,治疗组临床疗效优于对照组(P<0.01);治疗后24 h,对照组的临床疗效优于治疗组(P<0.05)。结论药线点灸治疗颈型颈椎病即时疗效确切。展开更多
基金Supported by Natural Science Foundation of Anhui Province,No.2108085QH337Research Fund of Anhui Medical University,No.2022xkj156+1 种基金Key Projects of Anhui Provincial Department of Education,No.2023AH053330Anhui Institute of Translational Medicine Research Fund,No.2022zhyx-C88.
文摘BACKGROUND Gastric cancer(GC)is a common malignant tumor,long non-coding RNA and microRNA(miRNA)are important regulators that affect tumor proliferation,metastasis and chemotherapy resistance,and thus participate in tumor progression.CASC19 is a new bio-marker which can promote tumor invasion and metastasis.However,the mechanism by which CASC19 affects the progression of GC through miRNA is not clear.AIM To explore the role of the CASC19/miR-491-5p/HMGA2 regulatory axis in GC.METHODS To explore the expression and prognosis of CASC19 in GC through clinical samples,and investigate the effects of inhibiting CASC19 on the proliferation,migration,invasion and other functions of GC cells through cell counting Kit-8(CCK-8),ethynyldeoxyuridine,Wound healing assay,Transwell,Western blot and flow cytometry experiments.The effect of miR-491-5p and HMGA2 in GC were also proved.The regulatory relationship between CASC19 and miR-491-5p,miR-491-5p and HMGA2 were validated through Dual-luciferase reporter gene assay and reverse transcription PCR.Then CCK-8,Transwell,Wound healing assay,flow cytometry and animal experiments verify the role of CASC19/miR-491-5p/HMGA2 regulatory axis.RESULTS The expression level of CASC19 is related to the T stage,N stage,and tumor size of patients.Knockdown of the expression of CASC19 can inhibit the ability of proliferation,migration,invasion and EMT conversion of GC cells,and knocking down the expression of CASC19 can promote the apoptosis of GC cells.Increasing the expression of miR-491-5p can inhibit the proliferation of GC cells,miR-491-5p mimics can inhibit EMT conversion,and promote the apoptosis of GC cells,while decreasing the expression of miR-491-5p can promote the proliferation and EMT conversion and inhibit the apoptosis of GC cells.The expression of HMGA2 in GC tissues is higher than that in adjacent tissues.At the same time,the expression level of HMGA2 is related to the N and T stages of the patients.Reducing the level of HMGA2 can promote cell apoptosis and inhibit the proliferation of GC cells.Cell experiments and animal experiments have proved that CASC19 can regulates the expression of HMGA2 through miR-491-5p,thereby affecting the biological functions of GC.CONCLUSION CASC19 regulates the expression of HMGA2 through miR-491-5p to affect the development of GC.This axis may serve as a potential biomarker and therapeutic target of GC.
文摘目的观察药线点灸治疗颈型颈椎病的即时疗效。方法采用随机数字表法,将符合纳入标准的70例颈椎病患者随机分为治疗组和对照组,每组35例。治疗组采用药线点灸治疗,对照组采用透皮浅刺治疗。观察两组治疗前、治疗后30 min及24 h疼痛视觉模拟评分(VAS评分)及颈椎病临床评价量表积分(CASCS积分)变化,并比较两组临床疗效。结果两组治疗后30 min,治疗后24 h VAS评分及CASCS积分均比同组治疗前显著降低(P<0.05,P<0.01);两组治疗后VAS评分比较,差异无统计学意义(P>0.05);治疗组治疗后30 min CASCS积分低于对照组(P<0.01);对照组治疗后24 h CASCS积分低于治疗组(P<0.05)。治疗后30 min,治疗组临床疗效优于对照组(P<0.01);治疗后24 h,对照组的临床疗效优于治疗组(P<0.05)。结论药线点灸治疗颈型颈椎病即时疗效确切。
