Objective To investigate the expression of cytoplasmic ribosome biogenesis factor 1(TCOF1)in hepatocellular carcino-ma and its clinical significance by using bioinformatics methods.Methods To analyze the differences in TCOF1 expression in hepatocel-lular carcinoma tissues and normal liver tissues using TCGA is database and to analyze the relationship between TCOF1 expression and clinicopathological parameters and survival prognosis of hepatocellular carcinoma patients.The LinkedOmics online tool was used to ana-lyze the genes associated with TCOF1 co-expression;gene enrichment analysis was used to explore the possible mechanism of the role of TCOF1 in hepatocellular carcinoma.After transfection of hepatocellular carcinoma cells with si-RNA knocking down TCOF1,the effect of TCOF1 inhibition on the proliferation of hepatocellular carcinoma cells was analysed by plate cloning assay,EDU assay.Results TCOF1 expression was significantly higher in hepatocellular carcinoma tissues than in paraneoplastic tissues(P＜0.001).The expression of TCOF1 correlated with gender,age,tumor grade,metastasis,histological type and mutation of TP53 in hepatocellular carcinoma pa-tients(P＜0.05).Overall survival(P＜0.001)and disease-free survival(P＜0.001)were worse in patients with hepatocellular car-cinoma with high expression of TCOF1.The proliferative ability of hepatocellular carcinoma cells was significantly down-regulated after inhibiting the expression of TCOF1 compared with the NC group.TCOF1 was closely associated with multiple genes,and further enrich-ment analysis demonstrated that these genes play important roles in a variety of biological processes.Conclusion TCOF1 expression is in-creased in hepatocellular carcinoma tissues and leads to poor prognosis in hepatocellular carcinoma patients,and it is expected to be a po-tential prognostic marker for hepatocellular carcinoma and a new target for tumor therapy.

The hepatocellular carcinoma(HCC)poses a serious threat to human health.The main target of one of the immunotherapeutic approaches is γδT cells.γδT cells as one of the subpop-ulations of T lymphocytes can directly recognize and target HCC cells,making them a potential target for immunotherapy.In this paper,we discussed the biological properties of γδ T cells and their dual roles within HCC cells and therapeutic strategies,and provide an overview on the research of γδT cell therapy for HCC.

Objective To investigate the expression of cytoplasmic ribosome biogenesis factor 1(TCOF1)in hepatocellular carcino-ma and its clinical significance by using bioinformatics methods.Methods To analyze the differences in TCOF1 expression in hepatocel-lular carcinoma tissues and normal liver tissues using TCGA is database and to analyze the relationship between TCOF1 expression and clinicopathological parameters and survival prognosis of hepatocellular carcinoma patients.The LinkedOmics online tool was used to ana-lyze the genes associated with TCOF1 co-expression;gene enrichment analysis was used to explore the possible mechanism of the role of TCOF1 in hepatocellular carcinoma.After transfection of hepatocellular carcinoma cells with si-RNA knocking down TCOF1,the effect of TCOF1 inhibition on the proliferation of hepatocellular carcinoma cells was analysed by plate cloning assay,EDU assay.Results TCOF1 expression was significantly higher in hepatocellular carcinoma tissues than in paraneoplastic tissues(P＜0.001).The expression of TCOF1 correlated with gender,age,tumor grade,metastasis,histological type and mutation of TP53 in hepatocellular carcinoma pa-tients(P＜0.05).Overall survival(P＜0.001)and disease-free survival(P＜0.001)were worse in patients with hepatocellular car-cinoma with high expression of TCOF1.The proliferative ability of hepatocellular carcinoma cells was significantly down-regulated after inhibiting the expression of TCOF1 compared with the NC group.TCOF1 was closely associated with multiple genes,and further enrich-ment analysis demonstrated that these genes play important roles in a variety of biological processes.Conclusion TCOF1 expression is in-creased in hepatocellular carcinoma tissues and leads to poor prognosis in hepatocellular carcinoma patients,and it is expected to be a po-tential prognostic marker for hepatocellular carcinoma and a new target for tumor therapy.

Objective To explore the mixed infection of bacteria and viruses of community-acquired pneumonia (CAP) in children. Methods A total of 204 children with CAP were tested for sputum bacteria, viruses and atypical pathogen, and children with bronchoscope indications were performed with bronchoscope for alveolar lavage (BAL), and the BAL lfuid (BALF) was subjected to quantitative culture and intracellular bacteria detection. All the children were given antimicrobial sequential therapy. Results There were 153 strains of pathogenic bacteria isolated in 122 cases, the detection rate was 59.80%(122/204). Thirty cases were found with mixed bacterial and viral infections. BAL was performed on 70 cases, positive lavage germiculture were detected in 8 cases, of theses BALF specimen inducible co-stimulator (ICOS) positivity were found in 5 cases. Using BALF quantitative culture as control, the sensitivity of ICOS in the diagnosis of CAP was 37.50%and the speciifcity was 96.77%. In 30 cases of mixed infection with bacteria and viruses, 27 cases were younger than 5 years old, accounting for 90.00%. Duration of fever greater than 10 d in mixed infection group of children (43.33%, 13/30) was higher than that of the non-mixed infection group (23.12%, 40/173) (P??0.05). Average hospitalization time in children with mixed infection (13.5+1.5) d was higher than that with non-mixed infection (8.6+1.1) d (P?