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1.
Kosuke Mima Hiromitsu Hayashi Katsunori Imai Hideyuki Kuroki Shigeki Nakagawa Hirohisa Okabe Akira Chikamoto Masayuki Watanabe Toru Beppu Hideo Baba 《Journal of hepato-biliary-pancreatic sciences》2013,20(4):429-434
Background/purpose
Local ablation therapy (LAT) is a widely used treatment for hepatocellular carcinoma (HCC) because it is less invasive than hepatic resection. The precise molecular mechanism underlying local HCC recurrence after LAT is largely unknown. The CD44 standard isoform (CD44s) is involved in epithelial–mesenchymal transition (EMT) in HCC. We investigate the significance of CD44s expression and EMT expression profile in local HCC recurrence after LAT.Methods
We studied the expression levels of CD44s, EMT expression profile (E-cadherinlow/vimentinhigh expression) and their association with clinicopathological factors in 30 HCC samples from patients with locally recurrent HCCs after LAT following hepatic resection. The alterations of CD44s expression was compared with those in initial HCCs from 150 patients without prior any anticancer treatment including LAT.Results
A high CD44s expression was significantly associated with the EMT expression profile (P = 0.002), and it was also detected with a higher frequency in the locally recurrent HCCs after LAT compared to initial HCCs (P < 0.001). In addition, high CD44s expression was associated with the intrahepatic dissemination of HCC after LAT (P = 0.006).Conclusions
These results suggest that high CD44s expression is associated with the aggressive recurrence pattern via EMT after LAT for HCC. 相似文献2.
3.
Zhonghong Liu Yonghang Guo Juan Li Jun Xu Bingrong Liu 《Digestive diseases and sciences》2013,58(6):1590-1601
Introduction
Colorectal cancer is one of the common malignant tumors in humans, and the incidence rate is gradually increasing year by year. Survivin and CD44v3 are ideal targets for gene therapy due to their overexpression in colorectal cells. Studies show that downregulation of survivin could promote apoptosis and depress proliferation, and reduction of CD44v3 expression could inhibit tumor invasive capacity. It is difficult to achieve satisfactory curative effect.Objective
In this study, we use survivin and CD44v3 short hairpin RNAs (shRNA) combined transfection into colorectal cancer cell line SW480 to investigate its effects on the cell apoptosis, proliferation and invasiveness.Methods
ShRNA plasmids targeting survivin and CD44v3 were singly or co-transfected into SW480 cells.Results
The co-transfection group exhibited the most significant inhibitory effect on cell growth (P < 0.05) and the highest apoptosis rate (P < 0.05). In addition, the invasive capacity in the co-transfected group was the least. The tumor inhibition rate of the cotransfected group in xenograft tumor mice was significantly higher than other groups (P < 0.05). Moreover, the microvessel density of the co-transfected group was significantly decreased compared with other groups (P < 0.05).Conclusion
These results suggest combined transfection of survivin shRNA and CD44v3 shRNA may produce a synergistic effect on gene therapy in colorectal cancer. 相似文献4.
I-Pei Chen Shun-ichi Ariizumi Masayuki Nakano Masakazu Yamamoto 《Journal of gastroenterology》2014,49(1):117-125
Background
Glypican-3 (GPC3) is a new prognostic factor after curative hepatectomy in patients with hepatocellular carcinoma (HCC), and the expression of GPC3 is known to be associated with postoperative metastasis. However, the role of GPC3 in patients with early HCC remains unknown.Methods
We retrospectively studied 55 patients with early HCC (total 99 nodules) who underwent initial hepatectomy between 1995 and 2010. Clinicopathological features and surgical outcomes were compared in relation to GPC3 expression.Results
The GPC3-positive expression was seen in 28 of 55 patients (50.9 %) with early HCC (44 of 99 nodules). The GPC3-positive expression was significantly associated with hepatitis C virus (HCV) infection (P = 0.0019) and with multiple early HCCs (P < 0.0001). The 5-year disease-free survival rate was significantly lower in patients with GPC3-positive early HCC (27 %) than in patients with GPC3-negative early HCC (62 %, P = 0.0036). The GPC3 expression was a significant independent prognostic factor for disease-free survival. However, it showed no significant difference in overall survival.Conclusions
The GPC3 expression is capable to be a new prognostic factor for disease-free survival in patients with early HCC. 相似文献5.
Sen Yang Hong-Li Yan Qi-Fei Tao Sheng-Xian Yuan Guan-Nan Tang Yuan Yang Li-Li Wang Yi-Liang Zhang Shu-Han Sun Wei-Ping Zhou 《Journal of cancer research and clinical oncology》2014,140(1):109-116
Purpose
To investigate the expression and clinical significance of CADM2 in hepatocellular carcinomas (HCC).Methods
The level of expression of CADM2 mRNA was assessed in frozen tumor specimens and adjacent noncancerous tissues from 30 HCC patients by real-time PCR. The protein level was determined by immunohistochemistry on a tissue microarray containing tumor and adjacent noncancerous tissues from 234 HCC patients. Clinicopathological characteristics associated analysis was performed through SPSS18 .Results
CADM2 was strikingly down regulated in HCC. CADM2 expression was associated with differentiation (P = 0.000), serum alpha-fetoprotein (P = 0.003), vascular invasion (P = 0.001), and hepatitis B surface antigen (HBsAg, P = 0.038). Furthermore, patients with low CADM2 expression had significantly poorer recurrence-free survival (RFS) (40.8 and 34.2 % vs. 56.3 and 50.1 % in 3- and 5-year RFS, respectively, P = 0.005). Subgroup analysis revealed that the difference in RFS between groups with low- and high-CADM2 expression still existed among patients belonging to stage 0 or A of BCLC staging system (P = 0.008), patients with tumor ≤5 cm in size (P = 0.013), and alpha-fetoprotein-negative patients (P = 0.003). Moreover, low expression was more frequently observed in the early recurrence group (within 2 years, P = 0.007). Further multivariate Cox regression analysis indicated that CADM2 expression level, tumor size, tumor number, vascular invasion, HBsAg were independent risk factors for HCC recurrence.Conclusion
CADM2 serves as a novel predictor of RFS in HCC patients after curative resection. 相似文献6.
Nicola Personeni Lorenza Rimassa Tiziana Pressiani Annarita Destro Claudia Ligorio Maria Chiara Tronconi Silvia Bozzarelli Carlo Carnaghi Luca Di Tommaso Laura Giordano Massimo Roncalli Armando Santoro 《Journal of cancer research and clinical oncology》2013,139(7):1179-1187
Purpose
Preclinical studies show that sorafenib, a multitarget kinase inhibitor, displays anti-proliferative, anti-angiogenic, and pro-apoptotic properties in hepatocellular carcinoma (HCC). However, the determinants of sorafenib sensitivity in vivo remain largely unknown.Methods
We assessed the expression of Mcl-1, activated/phosphorylated extracellular signal-regulated kinase (pERK) 1/2, and activated/phosphorylated AKT (pAKT) in pretreatment tumor specimens from 44 patients with advanced HCC who received sorafenib. Furthermore, we assessed MYC and MET gene copy numbers (GCN) by fluorescence in situ hybridization.Results
Poorer overall survival (OS) times were correlated with pERK expression [hazard ratio (HR) 1.013; 95 % CI 1.003–1.035] and Mcl-1 expression (HR 1.016; 95 % CI 1.002–1.030) in pretreatment tumor samples. Expression levels of pERK and Mcl-1, however, were not correlated with time to tumor progression (TTP). Increased pERK expression was positively associated with higher Cancer of Liver Italian Program scores (P = 0.012) and was prognostic in patients with scores 2–6 but not in those with scores 0–1. pERK expression was significantly less frequent in specimens sourced from previous surgical procedures compared to biopsy samples (9.6 vs. 92.3 %, respectively; P < 0.0001). Analysis of pAKT expression, MET and MYC GCN, did not indicate any prognostic nor predictive values for these biomarkers in terms of survival.Conclusions
Expression levels of Mcl-1 and pERK are associated with reduced OS in HCC patients treated with sorafenib and might be useful markers for risk stratification. However, in contrast to previous findings, pERK expression levels, as well as other biomarkers tested, did not affect TTP. 相似文献7.
Yue Qiu Yuan Hu Zuo-Yang Zhang Lei Ye Fei-Hong Xu Marion E. Schneider Xue-Ling Ma Yi-Xin Du Xian-Bo Zuo Fu-Sheng Zhou Gang Chen Xu-Shi Xie Yan Zhang Hong-Zhen Xia Ji-Feng Wu Wei-Dong Du 《Journal of cancer research and clinical oncology》2014,140(12):2143-2156
Purpose
(1) To investigate associations between single nucleotide polymorphisms (SNPs) in osteopontin (OPN) and its receptor—cluster of differentiation 44 (CD44) genes and gastric cancer susceptibility. (2) To explore the correlation of OPN and CD44 expression of gastric cancer.Methods
We detected 26 SNPs of the genes in gastric cancer patients from the Chinese Han population by Sequenom technique and performed expression of OPN in combination with CD44 in 243 tissues samples of the cases by tissue microarray and immunohistochemistry (IHC).Results
We found that the minor alleles of OPN rs4754C>T and OPN rs9138C>A remained strongly associated with decreased gastric cancer risk (P = 1.53 × 10?4, odds ratio (OR) 0.642, 95 % confidence interval (CI) 0.511–0.808 and P = 1.59 × 10?4, OR 0.642, 95 %CI 0.510–0.809). OPN variant rs1126772A>G and CD44 variant rs353639A>C significantly contributed to elevated risk of gastric cancer (P = 0.042, OR 1.279, 95 % CI 1.008–1.622 and P = 0.047, OR 1.334, 95 % CI 1.003–1.772). Haplotypes of OPN and CD44 variants significantly influenced risk of gastric cancer. Clinical data indicated that rs4754 and rs9138 of OPN were significantly associated with smoking (P = 0.029, OR 0.343, 95 % CI 0.127–0.926 and P = 0.029, OR 0.343, 95 %CI 0.127–0.926) and OPN rs1126772 revealed associations with tumor–node–metastasis (TNM) stage (P = 0.025, OR 1.765, 95 % CI 1.073–2.905) and tumor differentiation (P = 0.031, OR 1.722, 95 % CI 1.049–2.825). OPN expression was observed in 133 of the 243 cases (54.7 %) by IHC and was correlated with serosa invasion (P = 0.013), TNM stage (P = 0.003) and lymph node metastasis (P = 0.002). CD44 expression was found in 92 of the 243 cases (37.9 %) and was associated with tumor size (P = 0.005) and lymph node metastasis (P = 0.023), respectively. The OPN expression displayed a positive association with CD44 (P = 0.01, r s = 0.164).Conclusions
We found that the polymorphisms rs4754, rs9138 and rs1126772 of OPN gene and rs353639 of CD44 gene were significantly associated with gastric cancer. Our IHC data indicated that interaction of OPN and CD44 protein would promote progression and metastasis of gastric cancer. 相似文献8.
Dong Hyun Sinn Jieun Yi Moon Seok Choi Dongil Choi Geum-Youn Gwak Yong-Han Paik Joon Hyeok Lee Kwang Cheol Koh Seung Woon Paik Byung Chul Yoo 《Hepatology International》2013,7(4):1010-1018
Background
Initial presentation of hepatocellular carcinoma (HCC) at an advanced stage in patients under a regular surveillance program is a devastating problem.Aims
We assessed the prevalence and factors associated with this surveillance failure.Methods
A total of 304 HCC patients who received regular surveillance were retrospectively reviewed. Surveillance failure was defined when the tumor was diagnosed at beyond the Milan criteria.Results
Surveillance failure rate was 5.9 %. Macronodular cirrhosis (MC), ultrasonography-only surveillance (US-S) and infiltrative tumor type were independent factors associated with surveillance failure. The surveillance failure rate was higher in patients with MC (10.3 vs. 3.2 %, p = 0.022), US-S (14.6 vs. 4.3 %, p = 0.013) and when the tumor was infiltrative type (57.1 vs. 2.1 %, p < 0.001). Based on the two baseline factors (MC and US-S), the surveillance failure rates were 35.7, 6.8, 5.9 and 2.6 % for MC(+)/US-S(+), MC(+)/US-S(?), MC(?)/US-S(+) and MC(?)/US-S(?), respectively (p < 0.001).Conclusion
The HCC surveillance failure was not rare in clinical practice. These data suggest that special attention for surveillance failure might be needed for patients with MC who receive US-S. 相似文献9.
Background
Thrombocytopenia has been reported to be both a risk factor for hepatocellular carcinoma (HCC) development as well as a prognostic factor. Many HCCs also occur in presence of normal platelets.Aim
To examine a cohort of HCC patients with associated thrombocytosis.Methods
Records were examined of a cohort of 634 biopsy-proven and randomly presenting HCC patients without thrombocytopenia.Results
In the total cohort, 52 patients were identified with thrombocytosis (platelet levels >400 × 109/L) and compared with 582 patients with normal platelet values. The average tumor sizes were 13.1 versus 8.8 cm (p < 0.0001), and their total average bilirubin levels were 0.9 versus 1.5 (p = 0.02), comparing thrombocytosis patients versus normal platelet count HCC patients. These differences were even more pronounced in patients with HCC sizes >5 cm. Thrombocytosis patients were younger and had less cirrhosis, but similar percent with hepatitis B or C or alcohol consumption.Conclusion
Thrombocytosis in association with HCC occurs in patients with larger tumor sizes and better liver function. 相似文献10.
Mervat El Ansary Sherif Mogawer Samah Abd Elhamid Sahr Alwakil Fatma Aboelkasem Hatem El Sabaawy Olfat Abdelhalim 《Journal of cancer research and clinical oncology》2013,139(1):39-48
Background
Dendritic cells (DCs) could be used as potential cellular adjuvant for the production of specific tumor vaccines.Objectives
Our study was aimed to evaluate the safety and efficacy of autologous pulsed DC vaccine in advanced hepatocellular carcinoma (HCC) patients in comparison with supportive treatment.Methods
Thirty patients with advanced HCC not suitable for radical or loco-regional therapies were enrolled. Patients were divided into 2 groups, group I consisted of 15 patients received I.D vaccination with mature autologous DCs pulsed ex vivo with a liver tumor cell line lysate. Group II (control group, no. 15) received supportive treatment. One hundred and 4 ml of venous blood were obtained from each patient to generate DCs. DCs were identified by CD80, CD83, CD86 and HLA-DR expressions using flow cytometry. Follow up at 3, and 6 months post injection by clinical, radiological and laboratory assessment was done.Results
Improvement in overall survival was observed. Partial radiological response was obtained in 2 patients (13.3 %), stable course in 9 patients (60 %) and 4 patients (26.7 %) showed progressive disease (died at 4 months post-injection). Both CD8+ T cells and serum interferon gamma were elevated after DCs injection.Conclusion
Autologous DC vaccination in advanced HCC patients is safe and well tolerate. 相似文献11.
Yuki Fujiwara Hiroaki Shiba Kenei Furukawa Tomonori Iida Taro Sakamoto Takeshi Gocho Shigeki Wakiyama Shoichi Hirohara Yuichi Ishida Takeyuki Misawa Toya Ohashi Katsuhiko Yanaga 《Journal of hepato-biliary-pancreatic sciences》2010,17(6):892-897
Background
In spite of improvements in surgical management, hepatocellular carcinoma (HCC) still recurs after operation in 60–70% of patients. Therefore, we investigated the relation between perioperative change in white blood cell count (WBC) and tumor recurrence as well as survival in patients with HCC after hepatic resection.Methods
Subjects were 53 patients who underwent elective hepatic resection for HCC. We retrospectively examined the relation between perioperative change in WBC and recurrence of HCC as well as overall survival.Results
Advanced tumor stage and increasing of WBC on postoperative day (POD) 1 were positively associated with worse disease-free survival rate on both univariate and multivariate analysis (P < 0.05). Advanced tumor stage, increasing of WBC on POD 1, and blood transfusion were positively associated with worse overall survival rate on univariate analysis (P < 0.05), while change in WBC was the only independent factor on multivariate analysis (P < 0.05).Conclusions
Perioperative change in WBC after elective hepatic resection for HCC is positively associated with recurrence and worse survival. 相似文献12.
Goto T Yoshida H Tateishi R Enooku K Goto E Sato T Ohki T Masuzaki R Imamura J Shiina S Koike K Omata M 《Hepatology International》2011,5(3):767-773
Background
High serum load of hepatitis B virus (HBV) deoxyribonucleic acid (DNA) is a strong risk factor of hepatocellular carcinoma (HCC) development, independent of hepatitis B e antigen, serum alanine aminotransferase level, and liver cirrhosis. We evaluated whether serum HBV DNA load is associated with the risk of recurrence of HBV-related HCC treated with radiofrequency ablation (RFA).Methods
The study population was 69 consecutive patients with HBV-related HCC treated locally completely with RFA between January 2000 and September 2007. The risk factors for HCC recurrence were analyzed based on laboratory data, including serum HBV DNA load, together with tumor size and number using univariate and multivariate proportional hazard regression analyses.Results
HCC recurrence was observed in 42 of 69 patients during the median observation period of 1.5 years. Cumulative recurrence rates at 1, 3, and 5 years were 26.5, 57.8, and 74.3%, respectively. In univariate analysis, albumin (<3.5 g/dl), platelet count (<150 × 103/mm3), prothrombin activity (PT) (<70%), Child-Pugh class B, serum HBV DNA load (>4.0 log10 copies/ml), and tumor number (>3) were associated with the recurrence at p ≤ 0.15. Multivariate Cox regression analysis with stepwise variable selection showed that the tumor number (risk ratio, 4.63; 95% CI, 1.50–14.25, P = 0.0076), low PT (3.39, 1.52–5.78, P = 0.0029), and high HBV DNA load (2.67, 1.16–6.14, P = 0.021) were independent risk factors for HCC recurrence.Conclusion
Serum HBV DNA load is associated with the risk of recurrence of HBV-related HCC after RFA. 相似文献13.
Chao Zhou Yuejun Sun Shuwei Guo Xiao Chen Genchong Bao Jiandong Wang 《Digestive diseases and sciences》2018,63(1):166-172
Background
Hepatocellular carcinoma (HCC) is an aggressive cancer with a poor prognosis. Effective biomarkers are necessary to predict the clinical course and outcome of patients with HCC. Wntless (Wls) is a key modulator of Wnt protein secretion and is overexpressed in various human cancers. However, the mechanism and alteration of Wls expression in HCC have not been clarified.Aims
The aim of this study was to evaluate expression level of Wls in HCC and its clinical significance.Methods
The levels of Wls expression were investigated in 84 HCC tissues using immunohistochemistry.Results
Wls was negatively expressed in normal liver tissue and was negatively or weakly (score 0) expressed in liver cirrhosis. Twenty-eight out of 84 samples (33.3%) were negative or weakly (score 0) expressed Wls, 38 out of 84 (45.2%) moderately (1+) expressed Wls, and 18 out of 84 (21.4%) strongly (2+) expressed Wls. Wls expression was positively associated with tumor size (P = 0.005, r = 0.302), tumor TNM stage (P = 0.017, r = 0.261), AFP (P = 0.051), and HBV infection (P = 0.009, r = 0.283), and was negatively associated with differentiation (P < 0.001, r = ? 0.552). No significant relationship between Wls expression and liver cirrhosis, ALT, GGT, age, sex, or tumor focality was found.Conclusions
Our data showed that Wls was differentially expressed in HCC. Statistical analysis results suggest that Wls expression might increase as HCC progresses.14.
Ariizumi S Kitagawa K Kotera Y Takahashi Y Katagiri S Kuwatsuru R Yamamoto M 《Journal of hepato-biliary-pancreatic sciences》2011,18(4):575-585
Background
The value of the hepatobiliary phase of gadoxetic acid disodium (Gd-EOB-DTPA)-enhanced magnetic resonance imaging (MRI) in patients with hepatocellular carcinoma (HCC) has not been evaluated in detail.Methods
Between 2008 and 2009, 61 patients with HCC within the Milan criteria underwent Gd-EOB-DTPA-enhanced MRI and hepatectomy. The tumor margin was determined preoperatively based on hepatobiliary phase images. Microscopic portal vein invasion (MPVI), intrahepatic metastasis (IM), and recurrence of HCC within 1 year after hepatectomy were evaluated in 24 patients with non-smooth margins at the periphery of the tumor and 37 patients with smooth margins.Results
The number of patients with MPVI and IM of HCC was significantly higher among those with non-smooth margins (42 and 38%, respectively) than among those with smooth margins (3%; p = 0.0002 and 5%; p = 0.0042, respectively). A non-smooth margin was identified as a significant predictor of MPVI (odds ratio 18.814, p = 0.024) and IM (odds ratio 6.498, p = 0.036) of HCC on multivariate analysis. Furthermore, a non-smooth margin was identified as a significant predictor of recurrence within 1 year after hepatectomy (odds ratio 4.306, p = 0.04) on multivariate analysis.Conclusions
A non-smooth tumor margin in the hepatobiliary phase of Gd-EOB-DTPA-enhanced MRI is useful to predict MPVI, IM, and early recurrence of HCC after hepatectomy. 相似文献15.
Kazumasa Hiroishi Junichi Eguchi Toshiyuki Baba Tomoe Shimazaki Shigeaki Ishii Ayako Hiraide Masashi Sakaki Hiroyoshi Doi Shojiro Uozumi Risa Omori Takuya Matsumura Tatsuro Yanagawa Takayoshi Ito Michio Imawari 《Journal of gastroenterology》2010,45(4):451-458
Aim
We investigated whether tumor-specific CD8+ T-cell responses affect tumor-free survival as well as the relationship between CD8+ T-cell responses against tumor-associated antigens (TAAs) and the clinical course after tumor treatment in patients with hepatocellular carcinoma (HCC).Methods
Twenty patients with HCC that were treated by radiofrequency ablation or trans-catheter chemo-embolization (TACE) and in whom HCC was undetectable by ultrasonography, CT, and/or MRI 1 month after treatment were enrolled in the study. Before and after treatment for HCC, analyses of TAA (glypican-3, NY-ESO-1, and MAGE-1)-specific CD8+ T-cell responses were evaluated with an interferon-γ enzyme-linked immunospot (ELISpot) assay using peripheral CD8+ T-cells, monocytes, and 104 types of 20-mer synthetic peptide overlapping by 10 residues and spanning the entirety of the 3 TAAs.Results
Sixteen out of 20 patients (80%) showed a positive response (≥10 TAA-specific cells/105 CD8+ T-cells) before or after treatment. When we performed univariate analysis of prognostic factors for the tumor-free period in the 20 patients, platelet count, prothrombin time, and the number of TAA-specific CD8+ T-cells after treatment were significant factors (P = 0.027, 0.030, and 0.004, respectively). In multivariate analysis, the magnitude of the TAA-specific CD8+ T-cell response (≥40 TAA-specific cells/105 CD8+ T-cells) was the only significant prognostic factor for a prolonged tumor-free interval (hazard ratio 0.342, P = 0.022).Conclusions
Our results suggest that strong TAA-specific CD8+ T-cell responses suppress the recurrence of HCC. Immunotherapy to induce TAA-specific cytotoxic T lymphocytes by means such as the use of peptide vaccines should be considered for clinical application in patients with HCC after local therapy. 相似文献16.
Purpose
To investigate the effects of soluble FGL2 (sFGL2) secreted by hepatic stellate cells (HSCs) on immune suppression in cirrhotic patients with hepatocellular carcinoma (HCC).Methods
Serum sFGL2 levels were examined by ELISA in 40 patients with HCC, liver cirrhosis (LC) or chronic HBV (CHB) infection. A double staining of the immunofluorescence analysis of α-SMA and FGL2 was performed in two cirrhotic liver specimens. The expression of FGL2 in the LX2 cell line was analyzed by immunofluorescence, Western blot and flow cytometry. T-cells purified from HCC patients using magnetic beads were cultured with LX2 cells at different ratios with anti-CD3-stimulating or FGL2-blocking antibodies. The proliferation index (PI) of CD8 + T cells was assessed by flow cytometry, and the secretion of IFN-γ was measured by ELISA.Results
sFGL2 levels are significantly higher in patients with HCC or LC compared with those with CHB (p = 0.0039/p = 0.0020). Among HCC patients, those with cirrhosis exhibited significantly higher levels of sFGL2 compared with non-cirrhotic individuals (p = 0.0108). The expressions of FGL2 and α-SMA overlapped in HSCs in liver specimens. FGL2 protein secreted by LX2 cells inhibited T-cell proliferation of HCC patients in a dose-dependent manner in vitro. The PI of CD8 + T cells was significantly enhanced following addition of FGL2 antibody to the culture system (LX2/T-cell ratio of 1:10, p = 0.002). The level of IFN-γ in mixed cultures was inversely correlated with the number of HSCs and was reversed by incubation with FGL2 blocking antibody.Conclusion
sFGL2 protein is a novel effector molecule of activated HSCs, which suppresses CD8 + T cell proliferation and interferon-γ production, and it subsequently might contribute to immune suppression during fibrosis and tumorigenesis in the liver. 相似文献17.
Jing-Jing Pan Yong-Sheng Ge Ge-Liang Xu Wei-Dong Jia Wei-Feng Liu Jian-Sheng Li Wen-Bin Liu 《Journal of cancer research and clinical oncology》2013,139(6):1043-1054
Objectives
Chitinase 3-like 1 (CHI3L1) is associated with poor prognosis of various human cancers. However, the clinical and prognostic significance of CHI3L1 in hepatocellular carcinoma (HCC) is largely unknown. The aim of the present study is to investigate the expression of CHI3L1 in human HCC cell lines, clinical HCC specimens and its association with expressions of phosphorylated-Akt (p-Akt), E-cadherin and prognostic significance.Methods
The protein level of CHI3L1 in HCC cell lines was evaluated by western blot. The mRNA and protein levels of CHI3L1 in 19 self-paired HCC specimens were assessed by RT-PCR and western blot assays. The clinical and prognostic significance of CHI3L1 in 70 cases of HCC patients was determined by immunohistochemistry. In addition, expressions of p-Akt and E-cadherin were also assessed.Results
The protein level of CHI3L1 paralleled with increased malignant potential of HCC cell lines (P < 0.05). The mRNA and protein levels of CHI3L1 in HCC tissues were up-regulated compared with those in adjacent peritumoral tissues and further increased in tumors with metastasis (P < 0.05). Clinicopathological analysis showed that positive CHI3L1 expression was significantly associated with larger tumor size, capsular invasion, advanced TNM stages and status of metastasis (P = 0.035, 0.003, 0.023 and 0.003, respectively). Furthermore, CHI3L1 expression was positively correlated with high level of p-Akt (r = 0.293, P = 0.014), but inversely correlated with expression of E-cadherin (r = ?0.267, P = 0.026). Additionally, Kaplan–Meier survival analysis showed that HCC patients with positive CHI3L1 expression had a worse overall survival and disease-free survival compared with those with negative CHI3L1 expression (P < 0.001, respectively). Multivariate analysis identified CHI3L1 as an independent prognostic predictor for overall survival and disease-free survival of HCC patients (P = 0.044 and 0.031, respectively).Conclusions
CHI3L1 plays an essential role in HCC malignancies and may be served as a valuable prognostic biomarker for HCC patients. 相似文献18.
Ohnishi H Sakaguchi K Nouso K Kobayashi Y Nakamura S Tanaka H Miyake Y Shoji B Iwadou S Shiratori Y 《Hepatology International》2010,4(3):562-568
Purpose
Hepatic lesions identified by computed tomography (CT) during arterial portography (CTAP) or CT hepatic arteriography (CTHA) in hepatocellular carcinoma (HCC) patients are sometimes too small to be diagnosed as HCC. We undertook this cohort study to assess whether these small lesions are actually HCC, and to clarify the effectiveness of these imaging examinations in a clinical setting.Methods
We assessed the characteristics of 74 tiny lesions detected by CTAP and/or CTHA, but not by CT in 67 patients.Results
Seven out of 10 nodules were histologically confirmed as HCC and 18 out of 64 lesions increased in size and showed typical findings of HCC during the follow-up period. Multivariate analysis revealed that the size of the main tumor (>30 mm in diameter) was associated with the presence of tiny additional HCC lesions (P = 0.002).Conclusions
These findings indicate that CTAP and CTHA are recommended for determining the stage of HCC, especially when the HCC nodule is larger than 30 mm in diameter. 相似文献19.
Yasushi Tamura Takeshi Suda Shigeki Arii Michio Sata Fuminori Moriyasu Hiroshi Imamura Seiji Kawasaki Namiki Izumi Tadatoshi Takayama Norihiro Kokudo Masakazu Yamamoto Hiroko Iijima Yutaka Aoyagi 《Digestive diseases and sciences》2013,58(8):2406-2412
Background
The fucosylated fraction of alpha-fetoprotein (AFP-L3) has been used as a diagnostic marker for hepatocellular carcinoma (HCC). Recently, a highly sensitive immunoassay using an on-chip electrokinetic reaction and separation by affinity electrophoresis (micro-total analysis system; μTAS) has been developed.Aim
The aim of this study was to investigate the relationship between changes in the serum AFP-L3 level measured by μTAS assay and recurrence of HCC after curative treatment.Methods
A total of 414 HCC patients who met the Milan criteria and underwent hepatectomy or radiofrequency ablation were investigated prospectively for the relationship between HCC recurrence and values of tumor markers.Results
There were significant differences in recurrence-free survival between groups with and without AFP-L3 elevation measured before and after treatment (p = 0.024 and p = 0.001 for before and after treatment, respectively). Multivariate analysis revealed that AFP-L3 status (p = 0.002) measured 1 month after treatment was a significant independent predictor of HCC recurrence after curative treatment.Conclusions
Elevation of the serum AFP-L3 level before treatment is a predictor of HCC recurrence, and sustained elevation of the AFP-L3 level after treatment is an indicator of HCC recurrence. Repeated measurement of μTAS AFP-L3 should be performed for surveillance of HCC recurrence after curative treatment. 相似文献20.
Koichi Hayano Hiroyuki Yoshida Andrew X. Zhu Dushyant V. Sahani 《Digestive diseases and sciences》2014,59(8):1996-2003