Objective This study analyzed the role of G1 to S phase transition 1 protein(GSPT1)in promoting progression of liver cancer cells.Methods A bioinformatics database was used to analyze the expression levels of GSPT1 in...Objective This study analyzed the role of G1 to S phase transition 1 protein(GSPT1)in promoting progression of liver cancer cells.Methods A bioinformatics database was used to analyze the expression levels of GSPT1 in liver cancer tissues and the prognosis of patients.Subsequently,Western blotting and quantitative PCR were used to verify the expression levels of GSPT1 between normal hepatocytes and hepatoma cells.We used a CRISPR/Cas9 system to construct knockouts of GSPT1 in HepG2 and HCCLM9 liver cancer cells.The effect of GSPT1 on liver cancer cell migration and invasion was analyzed using flow cytometry,migration,and tumor formation assays.Results The Cancer Genome Atlas Liver Hepatocellular Carcinoma dataset indicated that GSPT1 expression was upregulated in liver cancer cell lines,and patients with liver cancer had poor prognosis.Knockout of GSPT1 in cells significantly inhibited tumor proliferation,cell migration,and growth in vivo.Conclusion In this study,we found that GSPT1 promotes the migration and invasion of liver cancer cells.展开更多
This study aims to explore the expression of stanniocalcin 2(STC2)gene in breast cancer and its clinical significance.Female patients with breast cancer from Zhongnan Hospital of Wuhan University admitted during March...This study aims to explore the expression of stanniocalcin 2(STC2)gene in breast cancer and its clinical significance.Female patients with breast cancer from Zhongnan Hospital of Wuhan University admitted during March 2014 to October 2014 were enrolled in this study.All the tissues used in this experiment included 50 cases of breast cancer tissues and corresponding 50 cases of paracancer normal breast tissues with complete patients'information.The real-time quantitative polymerase chain reaction(qPCR)was applied to detect the expression of STC2 gene in 50 cases of breast cancer and paracancer normal breast tissues.The results showed that the expression level of STC2 gene in 50 cases of breast cancer tissues was significantly higher than that in paracancer normal breast tissues(P<0.001).The expression of STC2 gene was correlated with lymph node metastasis,distant metastasis,TNM stage and histological grade(P<0.001).The expression level of STC2 gene was significantly higher in breast cancer tissues with higher expression of Ki-67(P<0.001).The expression level of STC2 gene was significantly higher in estrogen receptor(ER)positive breast cancer tissues than in ER negative ones(P<0.001).However,different groups of age,pathological type,tumor size,PR expression and human epidermal growth factor receptor-2(HER2)expression did not show significant differences in STC2 expression(P>0.05).In conclusion,the abnormal overexpression of STC2 gene may play a role in the development and progression of breast cancer,and it can be used as an independent metastasis and prognostic factor of breast cancer.In addition,STC2 gene probably promotes the development and metastasis of breast cancer by interacting with estrogen and ER,and it may become a new direction for breast cancer endocrine therapy.展开更多
Objective:The eukaryotic release factor 3a(eRF3a),a member of the eukaryotic peptide chain release factor family,is overexpressed in several types of cancer.This study aims to investigate the biological role and mecha...Objective:The eukaryotic release factor 3a(eRF3a),a member of the eukaryotic peptide chain release factor family,is overexpressed in several types of cancer.This study aims to investigate the biological role and mechanism of eRF3a in the progression of liver cancer.展开更多
基金supported by grants from the National Natural Science Foundation of China(No.81770283,No.82070302 and No.81902018)Clinical Medical Research Center of Peritoneal Cancer of Wuhan(No.2015060911020462)+1 种基金Natural Science Foundation of Hubei Province(No.2019CFB109)Technology and Innovation Seed Found,Zhongnan Hospital of Wuhan University(No.znpy2018004).
文摘Objective This study analyzed the role of G1 to S phase transition 1 protein(GSPT1)in promoting progression of liver cancer cells.Methods A bioinformatics database was used to analyze the expression levels of GSPT1 in liver cancer tissues and the prognosis of patients.Subsequently,Western blotting and quantitative PCR were used to verify the expression levels of GSPT1 between normal hepatocytes and hepatoma cells.We used a CRISPR/Cas9 system to construct knockouts of GSPT1 in HepG2 and HCCLM9 liver cancer cells.The effect of GSPT1 on liver cancer cell migration and invasion was analyzed using flow cytometry,migration,and tumor formation assays.Results The Cancer Genome Atlas Liver Hepatocellular Carcinoma dataset indicated that GSPT1 expression was upregulated in liver cancer cell lines,and patients with liver cancer had poor prognosis.Knockout of GSPT1 in cells significantly inhibited tumor proliferation,cell migration,and growth in vivo.Conclusion In this study,we found that GSPT1 promotes the migration and invasion of liver cancer cells.
基金grants from National Natural Science Foundation of China(No.81072152 and No.81770283)Natural Science Foundation of Hubei Province(No.2015CFA027)+3 种基金Research Foundation of Health and Family Planning Commission of Hubei Province(No.WJ2015MA010 and No.WJ2017M249)Clinical Medical Research Center of Peritoneal Cancer of Wuhan(No.2015060911020462)Subsidy Project of No.1 Hospital of Lanzhou University(No.Idyyyn2018-13)Research Foundation of Health and Family Planning Commission of Changzhou(No.QN201824).
文摘This study aims to explore the expression of stanniocalcin 2(STC2)gene in breast cancer and its clinical significance.Female patients with breast cancer from Zhongnan Hospital of Wuhan University admitted during March 2014 to October 2014 were enrolled in this study.All the tissues used in this experiment included 50 cases of breast cancer tissues and corresponding 50 cases of paracancer normal breast tissues with complete patients'information.The real-time quantitative polymerase chain reaction(qPCR)was applied to detect the expression of STC2 gene in 50 cases of breast cancer and paracancer normal breast tissues.The results showed that the expression level of STC2 gene in 50 cases of breast cancer tissues was significantly higher than that in paracancer normal breast tissues(P<0.001).The expression of STC2 gene was correlated with lymph node metastasis,distant metastasis,TNM stage and histological grade(P<0.001).The expression level of STC2 gene was significantly higher in breast cancer tissues with higher expression of Ki-67(P<0.001).The expression level of STC2 gene was significantly higher in estrogen receptor(ER)positive breast cancer tissues than in ER negative ones(P<0.001).However,different groups of age,pathological type,tumor size,PR expression and human epidermal growth factor receptor-2(HER2)expression did not show significant differences in STC2 expression(P>0.05).In conclusion,the abnormal overexpression of STC2 gene may play a role in the development and progression of breast cancer,and it can be used as an independent metastasis and prognostic factor of breast cancer.In addition,STC2 gene probably promotes the development and metastasis of breast cancer by interacting with estrogen and ER,and it may become a new direction for breast cancer endocrine therapy.
基金This work was supported by grants from the National Natural Science Foundation of China(No.81770283,No.81902018 and No.82070302)。
文摘Objective:The eukaryotic release factor 3a(eRF3a),a member of the eukaryotic peptide chain release factor family,is overexpressed in several types of cancer.This study aims to investigate the biological role and mechanism of eRF3a in the progression of liver cancer.
