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Objective To explore the incidence of brain metastases from esophageal cancer,survival-related factors after brain metastases,and the result of different treatment methods.Methods From January 2000 to October 2016 treated 11 338 cases of esophageal cancer patients,84 cases of brain metastases,were collected with complete clinical data.Results Eighty four cases of patients with brain metastases included esophageal squamous carcinoma in 74 cases,adenocarcinoma in 6 cases,and small cell undifferentiated carcinoma 4 cases;single brain metastases in 19 cases,65 cases of multiple brain metastases included 59 cases with brain metastasis symptoms,58 with extracranial metastases,primary tumors and brain metastases interval time less than 6 months in 31 cases,24 cases of 6-12,16 cases for 12-24 months.Prognostic logrank univariate analysis of survival rate found 24-36 months survival for 13 patients.All patients were followed for a median of 19.31 months after brain metastases,the median survival time was 5.43 months.Conclusions About 0.7％ of brain metastases from esophageal cancer occurs.Esophageal carcinoma metastatic to the brain:There was no extracranial metastasis,recursive partitioning analysis classification (RPA),Karnofsky (KPS) score,brain metastases different treatment methods is a poor prognostic factor for esophageal cancer brain metastasis.
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Objective To analyze the changes of serum fatty acid synthase (FAS),carcinoembryonic antigen (CEA) and carbohydrate antigen 72-4 (CA72-4) in patients with gastric cancer and its clinical diagnostic value.Methods Forty five patients with gastric cancer and 45 patients with benign gastric cancer treated in our hospital from January 2016 to December 2016 were enrolled in this study.Forty five healthy subjects were enrolled in this study.The levels of FAS,CEA,and CA72-4 in three groups were analyzed.Results The levels of FAS,CEA,and CA72-4 in patients with gasttric cancer [(12.73 ± 5.48) mg/L,(31.36 ± 14.51) ng/ml,and (39.32 ± 18.76) U/ml] were significantly higher than those in benign gastric cancer group [(2.26 ± 1.15) ng/L,(3.24 ± 1.47) ng/ml,and (3.75 ± 1.69) U/ml],and normal control group [(1.83 ± 0.92) mg/L,(2.71 ± 1.54) ng/ml,and (3.13 ± 1.82) U/ml] (P ＜ 0.05).FAS,CEA,and CA72-4 levels in patients with lymph node metastasis of gastric cancer [(13.58 ± 6.09) mg/L,(6.25 ± 11.54) ng/ml,and (41.31 ± 13.67) U/ml] were significantly higher than those without lymph node metastasis [(9.21 ± 5.42) mg/L,(28.38 ± 9.72) ng/ml,and (26.75 ± 11.86) U/ml] (P ＜ 0.05).The sensitivity of FAS,CEA,and CA72-4 in patients with gastric cancer was significantly lower than that in combined detection,the specificity of FAS,CEA,and CA72-4 in patients with gastric cancer was significantly higher than that in combination test (P ＜ 0.05).The sensitivity of FAS,CEA,and CA72-4 in patients with lymph node metastasis was significantly lower than that in combination test,and the specificity of FAS,CEA and CA72-4 was significantly higher than that of combined detection (P ＜ 0.05).Conclusions FAS,CEA,and CA72-4 can be used as indicators of gastric cancer and diagnosis of lymph node metastasis.Combined detection of three indexes can improve the diagnostic sensitivity and have good clinical significance.
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Objective To explore the expressions of glutathione reductase in gastric cancer,to investigate the relationship between glutathione reductase (GSR) and clinical pathological characteristics of gastric cancers,to identify the role of GSR in evaluation of the prognosis of gastric cancer patients,and to investigate the role of GSR in the development of gastric cancer.Methods The gastric cancer datasets were searched and downloaded from The Cancer Genome Atlas (TCGA),and chip data were analyzed with clinical information.Gene set enrichment analysis (GSEA) was conducted to explore the gene sets enriched in samples with high GSR expression.Results The expression of GSR was down-regulated in high grade tumors (P ＜ 0.01).No significant difference was found between different age,Shortest tumor diameter,American Joint Committee on Cancer (AJCC) M stage,Barrett's esophagus,family history of gastric cancer,and Helicobacter pylori (H.pylori) infection.Higher expression of GSR indicated poor prognosis in gastric cancer.GSEA indicated that GSR regulates gene sets associated with oxidative phosphorylation,metabolism of nucleotides,mitochondrial protein import,and mitotic G1 S phases.Conclusions GSR can be used as an indicator to predict the prognosis of gastric cancer patients and a target for the treatment of gastric cancer.
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Objective To explore the changes of serum interleukin-6 (IL-6),and interleukin-8 (IL-8) in patients with gastric cancers and the clinical relationships with Helicobacter pylori (Hp) infection.Methods Totally 62 cases of patients who were diagnosed gastric cancer in our hospital from January 2013 to September 2015 were selected as the study group,who did not accept anti-tumor therapy.The patients were divided into the Hp positive group (with 53 cases) and Hp negative group (with 9 cases) according to whether the merger of Hp infection.Another 60 normal healthy volunteers of the same age in our hospital for health examination during the same period were selected as the control group.The serum IL-6 and IL-8 levels were detected,and the changes of the factors in the study group and control group were compared and analyzed,as well as the U values of Hp infection.The clinical relationships between the expression levels of the two in patients with gastric cancer and the U values of Hp infection were confirmed.Results The serum IL-6 and IL-8 levels and the U values of Hp infection of the study group were significantly higher than those of the control group (P ＜ 0.05),which in the Hp positive group were significantly higher than those in the Hp negative group (P ＜ 0.05).The levels of serum IL-6 and IL-8 in patients with gastric cancer showed positive correlations with the U value of Hp infection (r =0.457,0.531,P ＜ 0.05).Conclusions The serum IL-6 and IL-8 levels in patients with gastric cancer are much higher than those in normal healthy people,and there are significant positive relationship with Hp infection.It can improve the curative effect of gastric cancer patients by improving the eradication rate of Hp.
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Objective To explore the incidence of brain metastases from esophageal cancer,survival-related factors after brain metastases,and the result of different treatment methods.Methods From January 2000 to October 2016 treated 11 338 cases of esophageal cancer patients,84 cases of brain metastases,were collected with complete clinical data.Results Eighty four cases of patients with brain metastases included esophageal squamous carcinoma in 74 cases,adenocarcinoma in 6 cases,and small cell undifferentiated carcinoma 4 cases;single brain metastases in 19 cases,65 cases of multiple brain metastases included 59 cases with brain metastasis symptoms,58 with extracranial metastases,primary tumors and brain metastases interval time less than 6 months in 31 cases,24 cases of 6-12,16 cases for 12-24 months.Prognostic logrank univariate analysis of survival rate found 24-36 months survival for 13 patients.All patients were followed for a median of 19.31 months after brain metastases,the median survival time was 5.43 months.Conclusions About 0.7％ of brain metastases from esophageal cancer occurs.Esophageal carcinoma metastatic to the brain:There was no extracranial metastasis,recursive partitioning analysis classification (RPA),Karnofsky (KPS) score,brain metastases different treatment methods is a poor prognostic factor for esophageal cancer brain metastasis.
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Objective To analyze the changes of serum fatty acid synthase (FAS),carcinoembryonic antigen (CEA) and carbohydrate antigen 72-4 (CA72-4) in patients with gastric cancer and its clinical diagnostic value.Methods Forty five patients with gastric cancer and 45 patients with benign gastric cancer treated in our hospital from January 2016 to December 2016 were enrolled in this study.Forty five healthy subjects were enrolled in this study.The levels of FAS,CEA,and CA72-4 in three groups were analyzed.Results The levels of FAS,CEA,and CA72-4 in patients with gasttric cancer [(12.73 ± 5.48) mg/L,(31.36 ± 14.51) ng/ml,and (39.32 ± 18.76) U/ml] were significantly higher than those in benign gastric cancer group [(2.26 ± 1.15) ng/L,(3.24 ± 1.47) ng/ml,and (3.75 ± 1.69) U/ml],and normal control group [(1.83 ± 0.92) mg/L,(2.71 ± 1.54) ng/ml,and (3.13 ± 1.82) U/ml] (P ＜ 0.05).FAS,CEA,and CA72-4 levels in patients with lymph node metastasis of gastric cancer [(13.58 ± 6.09) mg/L,(6.25 ± 11.54) ng/ml,and (41.31 ± 13.67) U/ml] were significantly higher than those without lymph node metastasis [(9.21 ± 5.42) mg/L,(28.38 ± 9.72) ng/ml,and (26.75 ± 11.86) U/ml] (P ＜ 0.05).The sensitivity of FAS,CEA,and CA72-4 in patients with gastric cancer was significantly lower than that in combined detection,the specificity of FAS,CEA,and CA72-4 in patients with gastric cancer was significantly higher than that in combination test (P ＜ 0.05).The sensitivity of FAS,CEA,and CA72-4 in patients with lymph node metastasis was significantly lower than that in combination test,and the specificity of FAS,CEA and CA72-4 was significantly higher than that of combined detection (P ＜ 0.05).Conclusions FAS,CEA,and CA72-4 can be used as indicators of gastric cancer and diagnosis of lymph node metastasis.Combined detection of three indexes can improve the diagnostic sensitivity and have good clinical significance.
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Objective To investigate the relationship between CD40,Ki-67,and CD34 expressions and clinical significance of gastric cancer.Methods The expressions of CD40,Ki-67,and CD34 were detected by immunohistochemistry in 80 cases of gastric carcinomas and adjacent mucosas.Results The high expression of CD40 was detected in 36.3％ (29/80) cases of gastric cancer tissues,and Ki-67 was 53.8％ (43/80).The high expression of CD40 was related to lymph node metastasis,depth of invasion,and the patient's prognosis.The high expression of Ki-67 was related to histological differentiation,depth of invasion,vascular invasion,and lymph node metastasis (P ＜ 0.05).Expression of CD40 was positively related to Ki-67 and CD34 in gastric carcinomas (P ＜ 0.05).Conclusions The high expressions of CD40,Ki-67,and CD34 in gastric cancers are related to the tumor proliferation,tumor angiogenesis,and the prognosis of patients.
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Objective To explore the expression of matrix metalloproteinase-11 (MMP-11) gene in gastric cancer cells and its correlation with transcription factor Sp1.Methods T In the present study,the expression of the MMP-11 was studied and the importance of Sp1 in the expression of the MMP-11 was proved with reverse transcription polymerase chain reaction (RT-PCR),differential PCR,Western-Blot,and DNA sequencing analysis in 10 kinds of the gastric cancer cell lines.Results MMP-11 cDNA was amplified with RT-PCR and differential PCR.In 34 cycle,the MMP-11/β-actin of SNU16,BGC823,MKN45,SGC7901,MGC803,SNU5 and PAMC82 were 3.32 ±0.12,2.22 ±0.11,1.41 ±0.12,1.35 ± 0.05,1.19 ± 0.05,0.97 ± 0.05,and 0.79 ± 0.05 (F =371.54,P ＜ 0.001).DNA sequencing analysis and BLAST showed the MMP11/β-actin of SNU16 DNA was 2 ～2.5 times as much as that of others.This result indicated that MMP-11 gene was amplified on the SNU16 DNA.Differential PCR and DNA sequencing analysis were carried out to amplify the MMP-11 gene in the SNU16 cell.Toward a better understanding of transcription of the MMP-1 1 gene,bioinformics technology was used to demonstrate the existence of two GC-boxes of the 5'-flanking region of MMP-11 DNA.Sp1 protein and MMP-11 protein were over-expressed in tumor cells and tended to have correlation with them (r =0.951,P ＜ 0.05).Conclusions The present results described the expressions of MMP-11 and Sp1 in gastric cancer cells.Moreover and clarified the correlation between MMP-11 and Sp1.It will establish the basic theory in order to confirm further whether Sp1 is a significant promoter of the 5'-flanking region of MMP-11 DNA.
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Objective To investigate the prognostic significance of proteolysis-inducing factor (PIF) in gastric cancer patients.Methods Biopsies of the rectus abdominis muscle were obtained intra operatively from 53 gastric cancer patients and 53 subjects undergoing surgery for benign abdominal diseases,muscle and serum PIF,ubiquitin expression,and proteasome proteolytic activities were assessed through reverse-transcription polymerase chain reaction (RT-PCR),Western blot,and enzyme-linked immunosorbent assay (ELISA).Results PIF was significantly upregulated in muscle of gastric cancer compared to control muscles.PIF was upregulated in 60％ (32/53) muscle of gastric cancer.Over expression of PIF in muscles of gastric cancer were associated with level of serum albumin,tumor node metastasis (TNM) stage,and percent of weight loss.The survival rate of patients with a high expression of PIF was significantly lower than those in patients with low expression (P ＜ 0.05).Conclusions PIF was significantly upregulated in muscle of gastric cancer,over expression of PIF in muscles of gastric cancer was associated with level of serum albumin,TNM stage,percent of weight loss,and prognosis.PIF might play an important role in progression and prognosis of gastric cancer.
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Objective To investigate the expression and significance of adaptor protein containing PH domain,PTB domain,and leucine zipper motif 1 (APPL1) in gastric cancers.Methods Expressions of APPL1 protein and mRNA were detected with immunohistochemistry and reverse transcription-polymerase chain reaction (RT-PCR) in 47 surgical specimens of gastric carcinomas (GC) and 27 normal gastric tissue specimens,respectively.Results The expression rate of APPL1 protein was 59.6％ (28/47) in GCs,and 26.1％ (6/23) in normal gastric tissues,with a statistically significant difference between two groups (P ＜0.05).The relative expression of mRNA was 0.821 ±0.141 in GCs,and 0.731 ±0.112 in normal gastric tissues,with a statistically significant difference between two groups (P ＜ 0.05).Conclusions The expressions of APPL1 protein and mRNA are increased in GCs,with a close relationship between GC and APPL1.
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Objective To investigate the expression and clinicopathological significance of metastasis-associated 1 (MTA1), matrix metalloproteinase-9 (MMP-9) and vascular endothelial growth factor-C (VEGF-C) in a gastric adenocarcinoma.Methods The expressions of MTA1, MMP-9, and VEGF-C were detected with immunohistochemical method in 120 cases of gastric adenocarcinoma tissues and 30 cases of normal gastric tissues.Results The positive percentage of MTA1, MMP-9, and VEGF-C proteins in gastric adenocarcinomas was 76.7％ , 71.7％ , and 64.2％ , respectively, which was significantly higher than that (33.3％, 36.7％, and 30.0％) in normal gastric mucosa tissues (P ＜0.05).The expressions of MTA1, MMP-9, and VEGF-C were significantly higher in gastric carcinoma invasion serous membrane, lymph node metastasis, clinical Ⅲ ～ than that in non-invasion serous membrane, non-lymph node metastasis, and clinical Ⅰ ～ Ⅱ (P ＜ 0.05).The expression of MTA1 had significantly positive correlation with that of MMP-9 (P ＜ 0.05) and VEGF-C (P ＜ 0.05) in gastric adenocarcinomas.Conclusions The expressions of MTA1, MMP-9, and VEGF-C were higher in gastric adenocarcinomas than normal gastric mucosa tissues.They may play an important role in the invasion and metastasis of gastric carcinomas.MTA1 may promote infiltration, invasion, and lymph node metastasis of gastric carcinoma through regulation of the expressions of MMP-9 and VEGF-C.The combined detection of MTA1, MMP-9, and VEGF-C expressions has important value to judge the grade malignance of gastric adenocarcinomas.
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Objective To investigate the expressions and clinical significance of survivin, and lymphatic vessel endothelial hyaluronan receptor 1 ( LYVE-1) in gastric cancers.Methods The expres-sions of survivin and LYVE-1 were detected with streptavidin avidin-peroxidase ( SP) immunohistochemical method in 70 cases of gastric cancers and 50 cases of normal gastric tissues.The relationship between the expressions of survivin and LYVE-1 with the clinicopathological parameters was analyzed.Results The ex-pression rate of survivin was 65.71%(46/70) in gastric cancers, and 6.00% (3/50) in normal gastric tissues, with statistically significant difference between two groups (χ2 =43.048, P 0.05).The expression rate of LYVE-1 was 32.86%(23/70) in gastric cancers, and 4.00%(2/50) in gastric ulcers, with significant difference between two groups (χ2 =14.726, P 0.05 ) .There was a positive correlation between expressions of survivin and LYVE-1 in gastric cancers ( r =0.271, P <0.05).Conclusions Survivin and LYVE-1 were abnormally expressed in gastric cancers with a colose relationships between two parameters.They might play important roles in tumorigenesis and progression of a gastric cancer.
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ObjectiveTo investigate the expression characteristics of Caspase-8 in gastric carcinoma tissues and its correlation with clinical pathological features.Methods The mRNA and protein of Caspase-8 in gastric carcinoma and its surrounding tissues were detected by reverse transcription polymerase chain reaction (RT-PCR) and immunohistochemistry,respectively.ResultsThe Caspase-8 mRNA in gastric carcinoma tissues was obviously lower than that in its surrounding ones (0.154±0.065 vs 0.394±0.107,t =14.04,P ＜0.01),which was correlated with lymph node metastasis,tumor stage,differentiation grade (P＜0.01).The Caspase-8 protein in gastric carcinoma tissues was also significantly lower than that in its surrounding ones (31.48％ vs 85.19％,x2 =32.04,P ＜ 0.01),which was correlated with tumor stage,differentiation grade (P＜0.05).ConclusionsCaspase-8 is low-expressed in gastric carcinoma,which may play an important role in the occurrence and progression of gastric carcinoma.
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Objective This study aimed to investigate the expression of Cyclin E protein in the progress of occurrence and development of gastric cancer and lymphonode metastatic cancer.Methods The expression of Cyclin E protein analyzed by immunohistochemistry in gastric tissue array included of normal gastric mucosa,cancer side tissues,atypical hyperplasia tissues,primary cancer tissues and lymphonode metastatic cancer tissues.Results The positive expression rate of Cyclin E protein was 14.3％,20.0％,34.7％,85.1％ and 82.9％ in normal gastric mucosa,atypical hyperplasia tissue,carcinoma side tissue,primary cancer and lymphonode metastatic cancer,respectively.Compared with normal gastric mucosa and carcinoma side tissues and atypical hyperplasia tissues,the Cyclin E protein in primary cancer and lymphonode metastatic carcinoma tissues was over-expression ( P ＜ 0.01 ).Conclusions The Cyclin E protein was a possible molecular marker that can be used to diagnosis gastric cancer and lymphaden metastasis cancer.
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Objective To explore the expression of P16, TGF-β1 and CD44v6 in gastric carcinoma and the relationship between their expression and clinicopathological features. Methods The expressions of P16, TGF-β1 and CD44v6 in 78 cases of gastric carcinoma, 20 cases gastric epithelial dysplasia and 25 cases normal gastric tissues were detected by immunohistochemistiy (SP method). Results The expressions of P16 in gastric carcinoma (46. 2% ) and gastric epithelial dysplasia (60. 0% ) were markedly lower than that in normal gastric tissues (92. 0% ). The expressions of CD44v6 in gastric carcinoma (51.3%) and gastric epithelial dysplasia (45.0% ) were markedly higher than that in normal gastric tissues (4.0% ). The expression of TGF-β1 in gastric carcinoma (65.4% ) was much higher than the counterparts in normal gastric group (12. 0% ) and gastric epithelial dysplasia group (35.0% ). P16 was positively correlated with the differentiation degree of gastric carcinoma, the depth of invasion, lymphatic metastasis and TNM stage ( P < 0. 05 ), and it had no significant correlation with tumor size,vessel tumor thrombus and the progression of the disease. CD44v6 was positively related with the invasive depth of gastric carcinoma, lymphatic metastasis, progression and TNM stage ( P <0.05) and had no significant correlation with differentiation degree of tissue, tumor size and vessel tumor thrombus ( P >0.05). TGF-β1l was positively correlated with the differentiation degree of gastric carcinoma, the depth of invasion, lymphatic metastasis and TNM stage ( P < 0.05 ) and had no significant correlation with tumor size, vessel tumor thrombusand the progression of the disease. There was a significant positive correlation between the expressions of CD44v6 and TGF-β1 of on gastric carcinoma ( r = 0. 532, P < 0.05 ). And a negative correlation was found between CD44v6 and P16 ( r = - 0. 615, P < 0. 05 ). Conclusions P16 ,TGF-β1 and CD44v6 may play a role in the tumorigenesis and progression of gastric carcinoma in some degree. Combined detection of P16, TGF-β1 and CD44v6 may be helpful to judge the degree of malignancy and potential lymph node metastasis and evaluate the prognosis.
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Objective To investigate the relationship among Survivin, PTEN and the occurrence, development, soakage and prog-nesis of gastric cancer. Methods The in-situ hybrization technique, immunochemistry and TUNEL method were used to detect the expres-sion of survivin mRNA, PTEN protein and apoptotic cell. Results The positive rate of survivin expression in gastric cancer was obvious higher than that in para-cancer tissue(P <0.01). Moreover, survivin expression rate in advanced clinical stage and low differentiation gastric cancer degree.was higher, compared with para-cancer tissue (P <0.01, P <0.05). The positive rate of PTEN expression in gas-tric cancer was obvious lower than that in pars-cancer tissue (P <0.01). The positive rate of PTEN expression in advanced clinical stage and low differentiation degree of tissue in gastric cancer was lower (P < 0.01). Furthermore, survivin and apoptesis indexes manifested negative relationship in gastric cancer(r =-0.861, P < 0.01), While PTEN and apoptosis indexes manifested positive relationship (r = 0.832, P < 0.01). Conclusions Survivin could be used as a novel marker to detect gastric cancer. PTEN gene lost function, which maybe promote the origin, growth, soakage and metastasis of gastric cancer.
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Objective To investigate the expression of COX-2, VEGF, MMP-2 and P-g]ycoprotein in carcinoma of stomach and its significance. Method The expressions of COX-2, VEGF and P-glycoprotein inside and beside the tumor tissues of 57 cases carcinoma of stomach were detected with immunohistochemistry method. Result The expressions of COX-2, VEGF, MMP-2 and P-glyeoprotein inside the tumor tissues were significantly higher than that beside the tumor(χ2 = 5.29,5.37,5.62,4.87 ; P < 0.05). The expressions of COX-2, VEGF and MMP-2 were different among different carcinoma metastasis (χ2 = 5.97, 6.17,6.09 ; P < 0.05). P-glucoprotein expressions were positive correlated with gastric cancer(rs' = 0.674,0.65,0.67 ; P < 0.05). Conclusion COX-2, VGEF, MMP-2 and P-glyeopretein were some correlated and overexpressed in stomach carcinoma, which may take part in the genesis, development and multi-drug resistance of this cancer.
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Objective To investigate basic fibroblast grow th factor (bFGF) and CDI05 in gastric carcinoma and its biological be-havior. Methods bFGF, microvessel density (MVD) and stomach cancer cell S phase fraction (SPF) in 60 samples from stomach cancer patients and 20 samples from normal stomach were detected with immunohistochemistry.. Apoptosis in stomach cancer was determined with TUNEL and apoptosis rate (AR) was calculated. Results bFGF protein expression, MVD and SPF in stomach cancer patients were obvi-ously higher than that normal health controls, but AR were lower, bFGF and MVD showed positive relationship with SPF, and negative with AR. Conclusion bFGF possibly increased the MVD state, promoted stomach cancer cell multiplication, suppressed stomach cancer cell ap-optosis.