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Neoplasma

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https://www.readbyqxmd.com/read/28592133/concurrent-hyperthermia-and-re-irradiation-for-recurrent-high-grade-gliomas
#1
J Heo, S H Kim, Y T Oh, M Chun, O K Noh
Salvage therapy for recurrent high grade gliomas (HGG) includes surgery, radiotherapy and chemotherapy, however, standard treatment does not exist. We evaluated the tolerability and efficacy of re-irradiation (re-RT) with hyperthermia (HT) for patients with recurrent HGG. From September 2010 to July 2015, 20 patients with recurrent HGG were treated with re-RT and HT. The radiotherapy dose of 30 Gray (Gy) was delivered with 2 Gy per fraction daily, and HT was performed twice weekly. Primary endpoints were treatment compliance and toxicity...
June 8, 2017: Neoplasma
https://www.readbyqxmd.com/read/28592132/combination-of-line-1-hypomethylation-and-rassf1a-promoter-hypermethylation-in-serum-dna-is-a-non-invasion-prognostic-biomarker-for-early-recurrence-of-hepatocellular-carcinoma-after-curative-resection
#2
Z J Liu, Y Huang, L Wei, J Y He, Q Y Liu, X Q Yu, Z L Li, J Zhang, B Li, C J Sun, W B Liang, A M Sun, Y Qin
Hepatocarcinogenesis, a multistep process, involves not only genetic mutations but also epigenetic alterations. Widespread of global DNA hypomethylation is accompanied with specific regional hypermethylation especially at tumor suppressor genes' promoters. The aim of this study is to determine the efficacy of combined DNA methylation analysis of a global DNA methylation marker - LINE-1 and a tumor suppressor gene highly associated with the malignancy of HCC- RASSF1A in serum as a novel prognostic marker for diagnosis of early recurrence after curative resection...
June 8, 2017: Neoplasma
https://www.readbyqxmd.com/read/28592131/phosphorylated-4e-bp1-is-associated-with-tumor-progression-and-adverse-prognosis-in-colorectal-cancer
#3
Y Chen, J Wang, H Fan, J Xie, L Xu, B Zhou
Phosphorylation of eukaryotic translation initiation factor 4E (eIF4E)- binding protein (4E-BP1) results in release of eIF4E, relieving translational repression and enhancing cancerigenic protein synthesis. This study aim to evaluate the level of phosphorylated 4E-BP1 (p-4E-BP1) in colorectal cancer (CRC) and to assess the cor-relation with clinicopathological factors and patient survival. The level of p-4E-BP1 was detected by immunohistochemistry and western bolt in patients with CRC. Then Cox regression model was used to evaluate the prognostic value of all covariates...
June 8, 2017: Neoplasma
https://www.readbyqxmd.com/read/28592130/the-mir-93-promotes-proliferation-by-directly-targeting-pdcd4-in-hepatocellular-carcinoma
#4
H Huang, X Wang, C Wang, L Zhuo, S Luo, S Han
Hepatocellular carcinoma (HCC) is the second leading cause of cancer mortality worldwide. Although advances have made in treatment of HCC, the overall survival rate remains low and the molecular pathogenesis of HCC is still poorly understood. The purpose of this study was to explore the molecular pathogenesis of HCC. A total of 89 patients were involved in the study. MicroRNA-93 (miR-93) was aberrantly up-regulated in HCC tissues as determined by qRT-PCR. The high level of miR-93 was closely associated with larger tumor size (p < 0...
June 8, 2017: Neoplasma
https://www.readbyqxmd.com/read/28592129/allogeneic-stem-cell-transplantation-after-fludarabine-melphalan-and-thymoglobulin-followed-by-early-withdrawal-of-prophylactic-immunosuppression-in-patients-with-acute-lymphoblastic-leukemia-update-of-single-center-study
#5
L Raida, A Kuba, Z Rusinakova, R Szotkowska, I Skoumalova, E Faber, T Szotkowski, P Rohon, J Hubacek, K Indrak, Z Pikalova, M Jarosova, M Divoka, K Langova, T Papajik
Presented are updated results of allogeneic hematopoietic stem cell transplantations (HSCTs) in 25 adult patients with acute lymphoblastic leukemia (ALL) in complete remission (CR) after a reduced intensity conditioning (RIC) combining fludarabine (150 mg/m2) and melphalan (140 mg/m2) with thymoglobulin (4.5 mg/kg or recently 4.0 mg/kg) followed by early initiation of reduction and withdrawal of prophylactic posttransplant immunosuppression. The median post-transplant follow-up was 32 (range, 4-87) months. Stable engraftment of donor's hematopoiesis was achieved in all patients...
June 8, 2017: Neoplasma
https://www.readbyqxmd.com/read/28592128/association-of-nuclear-foxp3-expression-with-low-ki67-index-and-better-prognosis-in-patients-with-breast-invasive-ductal-carcinoma
#6
J Li, X Zhang, L Zheng, Y Liu
Recent studies have provided clear evidence that some types of human cancer cells expressed Forkhead Box Protein 3 (FOXP3). However, the presence and role of FOXP3 in breast cancer are still contradictory up to now. In this study, we detected the expression of FOXP3 protein by immunohistochemistry in 123 cases of breast invasive ductal carcinoma. It exhibited that the subcellular localization of FOXP3 expression in breast cancer cells is heterogeneous. In nucleus, FOXP3 expression ratio was 47.97% (59/123) and the nuclear FOXP3 expression was significantly associated with lower Ki67 index (P=0...
June 8, 2017: Neoplasma
https://www.readbyqxmd.com/read/28592127/methylation-of-sox1-and-vim-promoters-in-serum-as-potential-biomarkers-for-hepatocellular-carcinoma
#7
X Y Liu, Y C Fan, S Gao, J Zhao, L Y Chen, F Li, K Wang
Aberrant methylation of tumor-related genes has been identified as a promising biomarker for hepatocellular carcinoma (HCC). This study aimed to investigate the diagnostic value of SRY (sex determining region Y)-box 1 (SOX1) and Vimentin (VIM) promoter methylation for HCC. The study included 360 subjects, 240 patients with HCC, 29 with liver cirrhosis (LC), 66 with chronic hepatitis B (CHB) and 25 healthy controls (HCs). The methylation status of SOX1 and VIM promoters in the serum was detected by methylation-specific polymerase chain reaction (MSP)...
June 8, 2017: Neoplasma
https://www.readbyqxmd.com/read/28592126/autologous-hematopoietic-stem-cell-transplantation-for-acute-myeloid-leukemia-single-center-experience
#8
I Simancikova, E Bojtarova, M Hrubisko, F Farkas, D Horvathova, L Sopko, A Batorova, M Mistrik
We aimed to determine the effect of autologous hematopoietic stem cell transplantation (auto-HSCT) on acute myeloid leukemia (AML) patients as a valid alternative therapeutic option for patients without HLA-compatible donor. This retrospective single center study included 79 patients with AML older than 18 years. In this report, we describe the patient characteristics, engraftment, toxicity of treatment, complications, overall survival, and relapse incidence of 79 patients treated chemotherapy and followed by auto-HSCT...
June 8, 2017: Neoplasma
https://www.readbyqxmd.com/read/28592125/correlation-of-gankyrin-oncoprotein-overexpression-with-histopathological-grade-in-prostate-cancer
#9
M M Riahi, N S Sistani, P Zamani, K Abnous, K Jamialahmadi
Prostate cancer is the second most commonly diagnosed cancer among men worldwide. Identifying new prognostic and predictive biomarkers will help stratification of prostate cancer patients for a better treatment. Gankyrin is a novel oncoprotein which regulates cell cycle and protein degradation. Gankyrin overexpression correlated with the malignant phenotypes and promotes the tumorigenicity and metastasis in many cancers. However there are not any reports on the role of Gankyrin in prostate cancer. Therefore, this study was designed to investigate the expression of Gankyrin in prostate cancer and analyze its correlation with some clinicopathological characteristics...
June 8, 2017: Neoplasma
https://www.readbyqxmd.com/read/28592124/long-non-coding-rna-malat1-promotes-cholangiocarcinoma-cell-proliferation-and-invasion-by-activating-pi3k-akt-pathway
#10
C Wang, Z P Mao, L Wang, G H Wu, F H Zhang, D Y Wang, J L Shi
Increasing evidence indicated that metastasis-associated lung adenocarcinoma transcript 1 (MALAT1) acted as a key regulator in the proliferation and invasion of several cancers. However, the function of MALAT1 in the development of cholangiocarcinoma has not been experimentally established. In the present study, the expression levels of MALAT1 in cholangiocarcinoma cell lines were detected by quantitative real-time PCR. The effects of MALAT1 knockdown on the cell proliferation and invasion of cholangiocarcinoma cells were detected with Cell Counting Kit-8 (CCK-8), colony formation assay and Trans-well assay, respectively...
June 8, 2017: Neoplasma
https://www.readbyqxmd.com/read/28592123/sorafenib-inhibits-growth-of-hepatoma-with-hypoxia-and-hypoxia-driven-angiogenesis-in-nude-mice
#11
F Li, F Wang, J Wu
The study aimed to investigate the effects of sorafenib on growth of hepatoma with hypoxia and angiogenesis. Green fluorescent protein (GFP)-expressing SMMC-7721 hepatoma cells were established via transfection with a lentiviral vector carrying GFP. GFP-labelled cells were treated with CoCl2 for 24 h with or without pretreatment of sorafenib for 30 min, and then injected subcutaneously into nude mice to induce hepatoma xenografts. This study used 16 BALB/c nude mice, which were divided into 4 groups: control group (GFP-labelled cells), CoCl2 group (GFP-labelled cells treated with CoCl2), CoCl2 plus sorafenib group (GFP-labelled cells pretreated with sorafenib and then treated with CoCl2) and CoCl2 plus sorafenib (cell+i...
June 8, 2017: Neoplasma
https://www.readbyqxmd.com/read/28592122/knockdown-of-cftr-enhances-sensitivity-of-prostate-cancer-cells-to-cisplatin-via-inhibition-of-autophagy
#12
Q Zhu, H Li, Y Liu, L Jiang
Prostate cancer is one of the most lethal diseases in men worldwide. Although the survival rate of men diagnosed with prostate cancer has increased with the improvement of treatments, drug resistance still remains a big challenge for improving overall survival. Cystic fibrosis transmembrane conductance regulator (CFTR), a cAMP-activated anion channel, has been reported to have a pivotal role in the pathogenesis of various cancers, but its role in chemoresistance of prostate cancer cells is poorly understood...
June 8, 2017: Neoplasma
https://www.readbyqxmd.com/read/28592121/inhibition-of-jmjd6-expression-reduces-the-proliferation-migration-and-invasion-of-neuroglioma-stem-cells
#13
D X Zhou, D Zhou, S Q Zhan, P Wang, K Qin, W Gan, X F Lin
Neuroglioma is the most common form of human primary malignant brain tumor, more and more studies recently showed only a small subpopulation of glioma cells which called glioma stem cells have true tumorigenic potential. Meanwhile, it was reported the overexpression of JMJD6 protein is closely involvement with the occurrence and development of multiple tumors, and JMJD6 is required for the differentiation of multiple organ, tissues and cells during embryogenesis. However, the influence of JMJD6 overexpression on neuroglioma development is unclear now...
June 8, 2017: Neoplasma
https://www.readbyqxmd.com/read/28592120/downregulated-vimentin-and-upregulated-e-cadherin-in-t1-stage-non-small-cell-lung-cancer-does-it-suggest-a-mesenchymal-epithelial-transition
#14
T Luo, L Wang, P Wu, W Gong, W Chen, H Zhao, Z Zheng
Lung cancer has been a major threat to human health worldwide. Vimentin (VIM) and E-cadherin (E-cad) are molecular markers that play important roles in epithelial-mesenchymal transition (EMT), which has been shown to be correlated with tumor progression. Herein, we investigated the associations between clinicopathological parameters and VIM/E-cad expression in primary T1 stage non-small cell lung cancer (NSCLC). Real-time PCR was performed on RNA extracted from tumor tissue isolated from 54 patients with T1 stage NSCLC...
June 8, 2017: Neoplasma
https://www.readbyqxmd.com/read/28592119/tea-polyphenol-inhibits-autophagy-to-sensitize-epirubicin-induced-apoptosis-in-human-bladder-cancer-cells
#15
W Gu, Y Lin, X Gou, W He
Resistance to anticancer agents such as Epirubicin (EPI) becomes a great challenge for treating bladder cancer. However, the mechanism by which chemoresistance arised is still elusive. In the present study, we showed evidence that EPI induced cytoprotective autophagy in bladder cancer cell lines T24 and BIU87. In addition, EPI robustly activated JNK-mediated phosphorylation of Bcl-2 and disruption of Bcl-2/Beclin-1 complex. Furthermore, the green tea derivative tea polyphenol (TP) inhibited EPI-induced autophagy and promoted apoptosis induced by EPI in bladder cancer cells...
June 8, 2017: Neoplasma
https://www.readbyqxmd.com/read/28592118/mir-99a-5p-regulates-proliferation-migration-and-invasion-abilities-of-human-oral-carcinoma-cells-by-targeting-nox4
#16
Y Shi, Z Bo, G Pang, X Qu, W Bao, L Yang, Y Ma
Previous research has showed that miR-99a-5p was a tumor suppressor. The aim of our study was to explore the effect of miR-99a-5p on the vitality and proliferation, migration together with the invasion of oral tumor cells via inhibiting the expression of NOX4. QRT-PCR and Western blot were applied to examine the expression level of miR-99a-5p and NOX4 in human oral tumorous and adjacent tissues. Dual luciferase reporter gene assay was applied to confirm that miR-99a-5p negatively regulated directly on NOX4 in TSCC1 cells...
June 8, 2017: Neoplasma
https://www.readbyqxmd.com/read/28592117/mechanisms-regulating-radiosensitivity-of-glioma-stem-cells
#17
Y Liu, Y Shen, T Sun, W Yang
Malignant glioblastoma (GBM) has become a very common and difficult brain tumor given its low cure rate and high recurrence rate. GBMs are resistant to treatments because glioma stem cells (GSCs)/glioma-initiating cells (GICs), a specific subpopulation of GBM, possess properties of tumor stem cells, such as unlimited proficiency, self-renewal, differentiation and resistance to chemotherapy and radiotherapy, and exhibit a very strong DNA repair capability. Radiotherapy has become a preponderant treatment, and researchers have found many significant tumor microenvironmental factors and valuable signaling pathways regulating the GSC radioresistance, including NOTCH, Wnt/β-catenin, Hedgehog, STAT3, and PI3K/AKT/mTOR...
June 8, 2017: Neoplasma
https://www.readbyqxmd.com/read/28592116/radionuclides-in-radiation-induced-bystander-effect-may-it-share-in-radionuclide-therapy
#18
M Widel
For many years in radiobiology and radiotherapy predominated the conviction that cellular DNA is the main target for ionizing radiation, however, the view has changed in the past 20 years. Nowadays, it is assumed that not only directed (targeted) radiation effect, but also an indirect (non-targeted) effect may contribute to the result of radiation treatment. Non-targeted effect is relatively well recognized after external beam irradiation in vitro and in vivo, and comprises such phenomena like radiation-induced bystander effect (RIBE), genomic instability, adaptive response and abscopal (out of field) effect...
June 8, 2017: Neoplasma
https://www.readbyqxmd.com/read/28592115/identification-of-chemokine-cxcl10-in-tumor-microenvironment-by-antibody-array-as-a-prognostic-marker-in-hepatocellular-carcinoma
#19
L Li, Y H Zhu, Y Li, X Y Guan
Immunological microenvironment is not only composed of multiple immune cells, but also deposited various inflammation factors that regulate immune response to tumor cells. To ascertain the crucial immune factors presented in hepatocellular carcinoma microenvironment (HCM), tumor tissue culture supernatant (TCS) and the corresponding non-tumor tissue culture supernatant (NCS) from patient with hepatocellular carcinoma (HCC) were analyzed by antibody array technology. Among the inflammation-associated cytokines assayed, high level of chemokines CXCL8/IL-8 (6...
June 8, 2017: Neoplasma
https://www.readbyqxmd.com/read/28592114/oleanolic-acid-derivative-szc014-inhibit-cell-proliferation-and-induce-apoptosis-of-human-breast-cancer-cells-in-a-ros-dependent-way
#20
P Chu, H Li, R Luo, A Ahsan, E Qaed, A Shopit, X Ma, Y Lin, J Peng, J Zhang, S Wang, Z Tang
Oleanolic acid (OA) and its derivatives are a novel emerging class of compounds. Although OA exhibits potent anticancer and anti-inflammatory function, the potential effect of its new derivatives (SZC014) in human breast cancers has not been understood yet. In this investigation, we demonstrated the anticancer effect of SZC014, a novel OA derivative and identified the possible mechanisms by which SZC014 induced MCF-7 cell death. The biological functions of SZC014 were validated by MTT, migration and colony formation assays in breast cancer cells...
June 8, 2017: Neoplasma
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