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Neoplasma

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https://www.readbyqxmd.com/read/28485172/high-farnesoid-x-receptor-fxr-expression-is-a-strong-and-independent-prognosticator-in-invasive-breast-carcinoma
#1
C Giaginis, D Karandrea, P Alexandrou, I Giannopoulou, G Tsourouflis, C Troungos, E Danas, A Keramopoulos, E Patsouris, L Nakopoulou, S Theocharis
Farnesoid X Receptor (FXR), a nuclear receptor superfamily member, is related with bile acids, glucose and lipids metabolism and recently with cancer. In the present study the clinical significance of FXR expression in invasive breast carcinoma was evaluated. FXR protein expression was assessed immunohistochemically on paraffin-embedded breast cancer tissues obtained from 115 breast cancer patients and was statistically analyzed with clinicopathological parameters, estrogen receptor (ER), progesterone receptor (PR) and human epidermal growth factor receptor 2 (HER2) expression, as well as with tumor cells' proliferative capacity and overall and disease-free patients' survival...
May 9, 2017: Neoplasma
https://www.readbyqxmd.com/read/28485171/braf-inhibitors-efficacious-and-tolerable-in-braf-mutant-acral-and-mucosal-melanoma
#2
X Bai, L L Mao, Z H Chi, X N Sheng, C L Cui, Y Kong, J Dai, X Wang, S M Li, B X Tang, B Lian, L Zhou, X Q Yan, J Guo, L Si
BRAF inhibitors substantially have impressive clinical efficacy in cutaneous melanoma. However, their role in acral and mucosal melanoma remains unclear. Records were reviewed of patients with metastatic or unresectable BRAF-mutant acral and mucosal melanoma hospitalized and administered BRAF inhibitors during January 2011 and March 2016. Clinical data were collected to determine PFS, ORR, DCR, OS, and safety. Among 28 acral and 12 mucosal melanoma treated with BRAF inhibitors, median PFS were 3.6 (95%CI 3...
May 9, 2017: Neoplasma
https://www.readbyqxmd.com/read/28485170/correlation-between-circulating-tumor-cells-egfr-expression-and-t-cell-subsets-in-advanced-non-small-cell-lung-cancer-patients-after-tyrosine-kinase-inhibitor-treatment
#3
C Tu, Y Zhu, B Jiang, W He, C Jin
Research indicates that after EGFR-tyrosine kinase inhibitors (EGFR-TKIs) treatment of non-small cell lung cancer (NSCLC), patient immune function significantly improved, and that circulating tumor cells (CTCs) measurements and peripheral blood epidermal growth factor receptor (EGFR) mutation data can guide TKIs treatment. Sixty-six advanced NSCLC patients treated with TKIs were enrolled and CTCs, EGFR expression, T cell subsets and natural killer (NK) cells in peripheral blood were measured using flow cytometry before and after treatment and assessed with respect to patient prognosis...
May 9, 2017: Neoplasma
https://www.readbyqxmd.com/read/28485169/plasma-cell-free-dna-integrity-plus-circulating-tumor-cells-a-potential-biomarker-of-no-distant-metastasis-breast-cancer
#4
W Wang, M Liang, G Ma, L Li, W Zhou, T Xia, H Xie, S Wang
Cell-free DNA integrity (cfDI) is a promising diagnostic and prognostic biomarker in breast cancer. However, no specific study has evaluated the diagnostic ability of cfDI in patients with no distant metastasis breast cancer (no-MBC) and benign breast tumor (BBT) to date. We assessed the plasma cfDI of 84 patients with no-MBC and 30 patients with BBT using quantitative PCR and compared it with circulating tumor cells (CTCs) and carbohydrate antigen 153 (CA153). The no-MBC group had significantly lower mean cfDI (0...
May 9, 2017: Neoplasma
https://www.readbyqxmd.com/read/28485168/prognostic-role-of-serum-c-reactive-protein-in-patients-with-advanced-stage-nsclc-treated-with-pemetrexed
#5
O Fiala, P Hosek, M Pesek, J Finek, J Racek, T Buchler, A Poprach, K Hejduk, R Chloupkova, O Sorejs, M Ecksteinova, M Vitovec, K Cizkova, R Kucera, O Topolcan
Pemetrexed is an intravenously administered antifolate cytostatic agent targeting several folate-dependent enzymatic pathways, widely used in the treatment of patients with advanced non-small cell lung cancer (NSCLC). It has been previously demonstrated that the superiority of pemetrexed is limited to patients with non-squamous histology. Aside from the non-squamous histology, there is still no available molecular biomarker predicting treatment efficacy of pemetrexed-based chemotherapy. The aim of our retrospective study was to evaluate the association of baseline serum levels of C-reactive protein (CRP) with outcomes in a large cohort of patients with non-squamous NSCLC treated with pemetrexed...
May 9, 2017: Neoplasma
https://www.readbyqxmd.com/read/28485167/expression-and-clinicopathological-significance-of-mel-18-and-bmi-1-in-oesophageal-squamous-cell-carcinoma
#6
H J Ji, M Cao, K L Ren, N B Sun, B Xu, X T Chang, W Wang, Q Zang, Z M Jiang
The Polycomb group (PcG) genes are a general class of regulators that are responsible for maintaining homeotic gene expression throughout cell division. PcG expression plays an important role in oncogenesis of several types of human cancer. Mel-18 and Bmi-1 are key PcG proteins. Studies have shown that Mel-18 is a potential tumour suppression and Bmi-1 is overexpressed in several human malignancies. However, the roles of Mel-18 and Bmi-1 in oesophageal squamous cell carcinoma (ESCC) are still unclear. In this study, we analysed the expression levels of Mel-18 and Bmi-1 in 89 oesophageal cancer tissues and paired normal mucosal tissues using immunohistochemistry, Western blotting and quantitative real-time PCR (QRT-PCR) analyses...
May 9, 2017: Neoplasma
https://www.readbyqxmd.com/read/28485166/preoperative-mean-platelet-volume-and-platelet-distribution-associated-with-thyroid-cancer
#7
Y J Yu, N Li, Z Y Yun, Y Niu, J J Xu, Z P Liu, T Liu, R T Wang, K J Yu
Thyroid cancer is the most frequent cancer of the endocrine glands and the fifth most frequent cancer in women. Activated platelets play a crucial role in thrombosis, inflammation, and cancer. Mean platelet volume (MPV) and platelet distribution width (PDW) are early index of platelet activation. The purpose of this study is to investigate platelet indices levels in thyroid cancer. The study enrolled 280 patients with thyroid cancer and 280 control subjects. Patients' characteristics and hematologic tests data were collected at the time of diagnosis...
May 9, 2017: Neoplasma
https://www.readbyqxmd.com/read/28485165/prognostic-significance-of-the-tumor-stroma-ratio-in-gallbladder-cancer
#8
H Li, S L Yuan, Z Z Han, J Huang, L Cui, C Q Jiang, Y Zhang
In recent years, the tumor-stroma ratio (TSR) has attracted increasing attention as an independent prognostic factor for several solid tumors. However, the importance of the stromal compartment has not been investigated yet in gallbladder cancer (GBC). The objective of this study is to investigate the prognostic value of TSR in GBC and the relationship between TSR and other known prognostic parameters. A total of 51 patients who underwent operations for gallbladder carcinoma were selected for this study. TSR was determined on haematoxylin and eosin (H et E)-stained sections by two independent investigators...
May 9, 2017: Neoplasma
https://www.readbyqxmd.com/read/28485164/mir-215-promotes-cell-migration-and-invasion-of-gastric-cancer-cell-lines-by-targeting-foxo1
#9
Y Zang, T Wang, J Pan, R Wu, H Ge, B Qu, X Zuo
Gastric cancer is one of the most common malignant tumor worldwide and has high morbidity and mortality. microRNAs are small, non-coding RNAs which play critical roles in the post-transcriptional regulation of gene expression. In this current study, we used qRT-PCR to detect miR-215 and FOXO1 expression level in 50 paired gastric cancer tissues and found that miR-215 was frequently overexpressed and FOXO1 was down-regulated in GC cancer tissues. Clinicopathological analysis showed that miR-215 expression level was correlated with the progression of tumor invasion and TNM stage...
May 9, 2017: Neoplasma
https://www.readbyqxmd.com/read/28485163/microarray-profiling-defines-circulating-micrornas-associated-with-myelodysplastic-syndromes
#10
M Dostalova Merkerova, A Hrustincova, Z Krejcik, H Votavova, E Ratajova, J Cermak, M Belickova
Circulating microRNAs (miRNAs) are non-coding RNAs secreted into body fluids, and aberrant levels of these miRNAs correlate with diseases of various origins, making them highly potential clinical biomarkers. We investigated the spectrum of circulating miRNAs in the plasma of myelodysplastic syndrome (MDS) patients to identify miRNAs showing discriminatory levels in the patients with different prognosis. Plasma samples were analyzed with microarrays to define miRNA profiles, and the deregulated miRNAs were further studied using droplet digital PCR...
May 9, 2017: Neoplasma
https://www.readbyqxmd.com/read/28485162/epigallocatechin-gallate-inhibits-the-growth-of-salivary-adenoid-cystic-carcinoma-cells-via-the-egfr-erk-signal-transduction-pathway-and-the-mitochondria-apoptosis-pathway
#11
L X Weng, G H Wang, H Yao, M F Yu, J Lin
ACC is one of the most malignant tumors in salivary gland, and of poor prognosis. A critical role in ACC development and progression is played by EGFR family members including EGFR. EGCG, a low molecular weight polyphenol contained in green tea, has broad anticancer properties, but whether EGCG regulates activity of ACC is unknown. In the present study, the effects of EGCG were investigated in vitro with particular attention to the pathway of EGFR/Erk and mitochondria apoptosis in SACC-83 cell lines. The results of MTS assay and flow cytometry demonstrated that EGCG (20-80 μM) could inhibit proliferation and promote apoptosis of SACC-83 cells...
May 9, 2017: Neoplasma
https://www.readbyqxmd.com/read/28485161/microrna-300-targets-hypoxia-inducible-factor-3-alpha-to-inhibit-tumorigenesis-of-human-non-small-cell-lung-cancer
#12
Y Zhang, Y Guo, C Yang, S Zhang, X Zhu, L Cao, W Nie, H Yu
Non-small cell lung cancer (NSCLC) is one of the most deadly human cancers. MicroRNA-300 acts as both tumor promoter and suppressor in different types of cancer. Here, we try to identify the function of microRNA-300 in human NSCLC. We compared MicroRNA-300 levels between tumor tissues versus paired adjacent non-tumor lung tissues from NSCLC patients, and in NSCLC versus normal lung cell lines. Effects of microRNA-300 on cell proliferation, invasion and migration were examined in vitro, and on tumor growth in vivo using a xenograft mouse model...
May 9, 2017: Neoplasma
https://www.readbyqxmd.com/read/28485160/mir-34a-suppresses-hnscc-growth-through-modulating-cell-cycle-arrest-and-senescence
#13
Y Wang, J Chen, X Chen, F Jiang, Y Sun, Y Pan, W Zhang, J Zhang
MiR-34a acts as a tumor suppressor in various malignancies. In HNSCC, the role of miR-34a in proliferation has not been fully elaborated and the target genes are still bind. Here, we addressed that forced miR-34a expression induced cell cycle arrest and senescence. Hypoxia/HIF1α was found to negatively correlate to the expression of miR-34a in HNSCC tissues and partially reverse miR-34a-imposed cell senescence through suppressing miR-34a expression. In order to screen the possible target genes of miR-34a in HNSCC, the differential genes mediated by miR-34a were screened by mRNA microarray...
May 9, 2017: Neoplasma
https://www.readbyqxmd.com/read/28485159/fbp1-modulates-cell-metabolism-of-breast-cancer-cells-by-inhibiting-the-expression-of-hif-1%C3%AE
#14
L Shi, C He, Z Li, Z Wang, Q Zhang
This study aimed to investigate the function of fructose-1, 6-bisphosphatase 1 (FBP1) in regulating cell growth and metabolism through hypoxia-inducible factor 1α (HIF-1α)-dependent hypoxic response in breast cancer cells. Two human breast carcinoma cell lines, including luminal-like cell line MCF-7 and basal-like cell line MDA-MB-468, were cultured under hypoxia condition, then the expressions of FBP1 and HIF-1α were detected by western blotting. In addition, up-regulated FPB1 in MDA-MB-468 cells were induced by lentivirus...
May 9, 2017: Neoplasma
https://www.readbyqxmd.com/read/28485158/mir-361-5p-suppresses-lung-cancer-cell-lines-progression-by-targeting-foxm1
#15
X W Hou, X Sun, Y Yu, H M Zhao, Z J Yang, X Wang, X C Cao
Lung cancer is the most common type of cancer and the leading cause of death in worldwide. MicroRNAs are known to be key players in a variety of biological processes, including tumorigenesis. In present study, we investigated the effect of miR-361-5p on lung cancer progression. We found that miR-361-5p was down-regulated in lung cancer. Overexpression of miR-361-5p suppressed lung cancer proliferation and invasion. Mechanistically, FOXM1 was identified as a direct target of miR-361-5p. Furthermore, miR-361-5p inhibits EMT-like phenotype through down-regulation of FOXM1 expression in lung cancer cells...
May 9, 2017: Neoplasma
https://www.readbyqxmd.com/read/28485157/saikosaponin-d-suppresses-cell-growth-in-renal-cell-carcinoma-through-egfr-p38-signaling-pathway
#16
C Cai, H Zhang, Y Ou, Y Jiang, D Zhong, H Qi, Q Dang
The study aimed to explore the effect of Saikosaponin-d (SSd) and its underlying mechanism on cell growth inhibition as well as induction of apoptosis and cell cycle arrest in renal cell carcinoma (RCC). MTT assay and colony formation assay were employed in this study, with the results indicating that RCC cells proliferation was inhibited by SSd at different doses. Analysis by flow cytometry revealed that RCC cell proliferation inhibitory effect of SSd was achieved by inducing apoptosis and cell cycle arrest at G0/G1 phase via up-regulation of p53...
May 9, 2017: Neoplasma
https://www.readbyqxmd.com/read/28485156/the-effects-of-lentivirus-mediated-shrna-interference-targeting-mcl-1-on-growth-of-nk-t-cell-lymphoma
#17
X Zhang, C Shi, G Yue, H Guo, X Fu, X Li, L Li, X Wang, Z Li, Y Chang, M Zhang, Q Chen
Myeloid leukemia-1 (Mcl-1) gene has been reported as an important factor in various types of cancer, but little research was processed on natural killer (NK)/T-cell lymphoma, a kind of a highly aggressive disease with a poor prognosis. Here we investigated the expression of Mcl-1 in seven lymphoma cell lines and its potential role as a molecular drug target for NK/T-cell lymphoma therapy by using lentivirus-mediated shRNA interference targeting Mcl-1 (lenti-shMcl-1). In our study, the expression of Mcl-1 in different lymphoma cell lines were evaluated firstly, after that lenti-shMcl-1 was constructed and transduced into NK/T-cell lymphoma cell line SNK-6 which had a high level expression of Mcl-1...
May 9, 2017: Neoplasma
https://www.readbyqxmd.com/read/28485155/nfat5-inhibits-invasion-and-promotes-apoptosis-in-hepatocellular-carcinoma-associated-with-osmolality
#18
X Qin, Y Wang, J Li, Y Xiao, Z Liu
Hepatocellular carcinoma (HCC) is one of the most difficult cancer disease for diagnosis and treatment, with a low survival rate and high recurrence rate and mortality. Nuclear factor of activated T-cells 5 (NFAT5) is mediated by osmolality and proved to be a carcinogenic gene in some tumor. However in our study we considered NFAT5 as tumor suppressor of HCC. RT-qPCR was performed for NFAT5 expression in tumor tissues. NaCl was applied to make hyperosmotic treatment. We knockdowned and overexpressed NFAT5 to investigate its role in HCC...
May 9, 2017: Neoplasma
https://www.readbyqxmd.com/read/28485154/identification-of-prognostic-risk-factors-of-acute-lymphoblastic-leukemia-based-on-mrna-expression-profiling
#19
C Li, L Kuang, B Zhu, J Chen, X Wang, X Huang
We aim to identify prognosis risk factors in acute lymphoblastic leukemia (ALL). mRNA microarray data of adult ALL patients were downloaded from TCGA database, whose mRNAs were isolated from bone marrow aspirate fluid mononuclear cells. Then the differentially expressed genes (DEGs) between good and poor prognosis samples were screened. Following that, the sample dependency network was constructed based on the Pearson connection coefficients of DEGs in the samples. The prognosis-related genes were collected using logistic regression analysis...
May 9, 2017: Neoplasma
https://www.readbyqxmd.com/read/28485153/antioxidant-potential-of-essential-oil-from-lavandula-angustifolia-in-in-vitro-and-ex-vivo-cultured-liver-cells
#20
K Kozics, A Srancikova, E Sedlackova, E Horvathova, M Melusova, V Melus, Z Krajcovicova, M Sramkova
Lavender is a commonly used herb in traditional medicine in Asia and Europe. It has been reported to be an effective medical plant in treating inflammation, depression and stress, thanks to its sedative and anxiolytic action, thrombotic, and antimicrobial properties. In the present study we investigated the protective effects of essential oil from Lavandula angustifolia (LO) against hydrogen peroxide and tert-butyl hydroperoxide -induced DNA damage. Also the effects of LO on the levels of enzymatic and non-enzymatic antioxidants (SOD-superoxide dismutase, GPx-glutathione peroxidase, GSH-glutathione) were evaluated in in vitro (human hepatoma cell line HepG2) and in ex vivo (freshly isolated rat hepatocytes) systems...
May 9, 2017: Neoplasma
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