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Cellular Oncology (Dordrecht)

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https://www.readbyqxmd.com/read/29168159/lox-1-is-a-poor-prognostic-indicator-and-induces-epithelial-mesenchymal-transition-and-metastasis-in-pancreatic-cancer-patients
#1
Jie Zhang, Lei Zhang, Can Li, Caiting Yang, Lili Li, Shushu Song, Hao Wu, Fenglin Liu, Lan Wang, Jianxin Gu
PURPOSE: Pancreatic cancer (PC) is an aggressive type of cancer that exhibits a rapid progression. Previously LOX-1, which is a type II trans-membrane glycoprotein that is expressed in endothelial cells, has been found to be involved in the development of several types of cancer. As yet, however, the expression of LOX-1 and its functional consequences in PC have not been documented. The present study was aimed at investigating the prognostic relevance of LOX-1 expression in PC patients and at resolving its role in PC metastasis...
November 22, 2017: Cellular Oncology (Dordrecht)
https://www.readbyqxmd.com/read/29134467/diterpenoid-natural-compound-c4-crassin-exerts-cytostatic-effects-on-triple-negative-breast-cancer-cells-via-a-pathway-involving-reactive-oxygen-species
#2
Cathy E Richards, Sri H Vellanki, Yvonne E Smith, Ann M Hopkins
PURPOSE: Triple-negative breast cancers (TNBC) lack expression of three common cell surface receptors, i.e., estrogen receptor (ER), progesterone receptor (PR) and human epidermal growth factor receptor-2 (HER2). Accordingly, TNBCs are associated with fewer treatment options and a relatively poor prognosis. Having screened a National Cancer Institute natural compound library, the purpose of this study was to investigate the bioactivity of compound C4 (Crassin) in TNBC cells. METHODS: Cell viability assays were performed in two TNBC cell lines, MDA-MB-231 and 4T1, following C4 treatment in the presence or absence of the antioxidant N-acetyl-L-cysteine (NAC)...
November 13, 2017: Cellular Oncology (Dordrecht)
https://www.readbyqxmd.com/read/29134466/glycogen-synthase-kinase-3%C3%AE-mediated-regulation-of-matrix-metalloproteinase-9-and-its-involvement-in-oral-squamous-cell-carcinoma-progression-and-invasion
#3
Kamdeo K Pramanik, Siddavaram Nagini, Abhay K Singh, Prajna Mishra, Tanushree Kashyap, Nidhi Nath, Manzar Alam, Ajay Rana, Rajakishore Mishra
PURPOSE: Oral squamous cell carcinoma (OSCC)-related deaths mainly result from invasion of the tumor cells into local cervical lymph nodes. It has been reported that progressive basement membrane loss promotes the metastatic and invasive capacities of OSCCs. Matrix metalloproteinase-9 (MMP-9) is known to play a central role in tumor progression and invasion. However, the role of MMP-9 in OSCC invasion has so far remained paradoxical and little is known about its regulation. Here, we aimed to assess MMP-9 expression regulation and its activation by glycogen synthase kinase-3β during human OSCC progression and invasion...
November 13, 2017: Cellular Oncology (Dordrecht)
https://www.readbyqxmd.com/read/29119387/a-new-etv6-ntrk3-cell-line-model-reveals-malat1-as-a-novel-therapeutic-target-a-short-report
#4
Suning Chen, Stefan Nagel, Bjoern Schneider, Haiping Dai, Robert Geffers, Maren Kaufmann, Corinna Meyer, Claudia Pommerenke, Kenneth S Thress, Jiao Li, Hilmar Quentmeier, Hans G Drexler, Roderick A F MacLeod
BACKGROUND: Previously, the chromosomal translocation t(12;15)(p13;q25) has been found to recurrently occur in both solid tumors and leukemias. This translocation leads to ETV6-NTRK3 (EN) gene fusions resulting in ectopic expression of the NTRK3 neurotropic tyrosine receptor kinase moiety as well as oligomerization through the donated ETV6-sterile alpha motif domain. As yet, no in vitro cell line model carrying this anomaly is available. Here we genetically characterized the acute promyelocytic leukemia (APL) cell line AP-1060 and, by doing so, revealed the presence of a t(12;15)(p13;q25)...
November 8, 2017: Cellular Oncology (Dordrecht)
https://www.readbyqxmd.com/read/29076027/serum-exosomal-mir-301a-as-a-potential-diagnostic-and-prognostic-biomarker-for-human-glioma
#5
Fengming Lan, Qin Qing, Qiang Pan, Man Hu, Huiming Yu, Xiao Yue
PURPOSE: Exosomal miRNAs that play an important role in cell-cell communication have attracted major attention as potential diagnostic and prognostic biomarkers for various cancers. The aim of this study was to determine the diagnostic/prognostic significance of serum exosomal miR-301a in glioma patients. METHODS: Quantitative real-time PCR was used to determine the serum exosomal expression levels of miR-301a. Kaplan-Meier survival analyses, Cox regression analyses and ROC working curve analyses were applied to assess the diagnostic and prognostic values of miR-301a in glioma patients...
October 26, 2017: Cellular Oncology (Dordrecht)
https://www.readbyqxmd.com/read/29039135/metabolic-iodine-and-tumours
#6
D S Robertson
PURPOSE: Purpose of the work is to highlight a possible connection between metabolic iodine and natural tumour control. METHOD: Method adopted is to use information available in the literature. RESULT: Result indicated a means of the purpose being attained. CONCLUSION: Conclusion drawn is that a tumour control method derives from the relationship studied.
October 16, 2017: Cellular Oncology (Dordrecht)
https://www.readbyqxmd.com/read/28994018/memory-cd4-t-cell-subsets-in-tumor-draining-lymph-nodes-of-breast-cancer-patients-a-focus-on-t-stem-cell-memory-cells
#7
Yasmin Vahidi, Zahra Faghih, Abdol-Rasoul Talei, Mehrnoosh Doroudchi, Abbas Ghaderi
BACKGROUND: The compartments of memory T cells play a fundamental role in the immune system by substantiating specific and acquired immunity. A new subset of memory cells, T stem cell memory (TSCM) cells, with stem cell-like properties, a high capacity to proliferate, a long survival, and an ability to differentiate into all effector and memory cells has recently been introduced. In the present study, we aimed to determine the frequency of CD4(+) TSCM and other T memory cell subsets in tumor draining lymph nodes of breast cancer patients...
October 9, 2017: Cellular Oncology (Dordrecht)
https://www.readbyqxmd.com/read/28993998/lithocholic-bile-acid-inhibits-lipogenesis-and-induces-apoptosis-in-breast-cancer-cells
#8
Trang H Luu, Jean-Marie Bard, Delphine Carbonnelle, Chloé Chaillou, Jean-Michel Huvelin, Christine Bobin-Dubigeon, Hassan Nazih
BACKGROUND: It has amply been documented that mammary tumor cells may exhibit an increased lipogenesis. Biliary acids are currently recognized as signaling molecules in the intestine, in addition to their classical roles in the digestion and absorption of lipids. The aim of our study was to evaluate the impact of lithocholic acid (LCA) on the lipogenesis of breast cancer cells. The putative cytotoxic effects of LCA on these cells were also examined. METHODS: The effects of LCA on breast cancer-derived MCF-7 and MDA-MB-231 cells were studied using MTT viability assays, Annexin-FITC and Akt phosphorylation assays to evaluate anti-proliferative and pro-apoptotic properties, qRT-PCR and Western blotting assays to assess the expression of the bile acid receptor TGR5 and the estrogen receptor ERα, and genes and proteins involved in apoptosis (Bax, Bcl-2, p53) and lipogenesis (SREBP-1c, FASN, ACACA)...
October 9, 2017: Cellular Oncology (Dordrecht)
https://www.readbyqxmd.com/read/28983785/implications-of-fgf19-on-sorafenib-mediated-nitric-oxide-production-in-hepatocellular-carcinoma-cells-a-short-report
#9
Lixia Gao, Chloe Shay, Fenglin Lv, Xuli Wang, Yong Teng
BACKGROUND: Hepatocellular carcinoma (HCC), a primary neoplasm derived from hepatocytes, is the second leading cause of cancer mortality worldwide. Previous work has shown that fibroblast growth factor 19 (FGF19), an oncogenic driver, acts as a negative regulator of the therapeutic efficacy of the tyrosine kinase inhibitor sorafenib in HCC cells. The FGF19-mediated mechanism affecting sorafenib treatment, however, still remains to be resolved. Here, we hypothesize that the FGF19-FGFR4 axis may affect the effectiveness of sorafenib in the treatment of HCC...
October 5, 2017: Cellular Oncology (Dordrecht)
https://www.readbyqxmd.com/read/28936810/phosphorylated-cxcr4-expression-has-a-positive-prognostic-impact-in-colorectal-cancer
#10
B Weixler, F Renetseder, I Facile, N Tosti, E Cremonesi, A Tampakis, T Delko, S Eppenberger-Castori, A Tzankov, G Iezzi, C Kettelhack, S D Soysal, U von Holzen, G C Spagnoli, L Terracciano, L Tornillo, Raoul A Droeser, S Däster
BACKGROUND: The CXCL12-CXCR4 chemokine axis plays an important role in cell trafficking as well as in tumor progression. In colorectal cancer (CRC), the chemokine receptor CXCR4 has been shown to be an unfavorable prognostic factor in some studies, however, the role of its activated (phosphorylated) form, pCXCR4, has not yet been evaluated. Here, we aimed to investigate the prognostic value of CXCR4 and pCXCR4 in a large cohort of CRC patients. PATIENTS AND METHODS: A tissue microarray (TMA) of 684 patient specimens of primary CRCs was analyzed by immunohistochemistry (IHC) for the expression of CXCR4 and pCXCR4 by tumor cells and tumor-infiltrating immune cells (TICs)...
September 21, 2017: Cellular Oncology (Dordrecht)
https://www.readbyqxmd.com/read/28936683/trail-enhances-quinacrine-mediated-apoptosis-in-breast-cancer-cells-through-induction-of-autophagy-via-modulation-of-p21-and-dr5-interactions
#11
Sarita Das, Anmada Nayak, Sumit Siddharth, Deepika Nayak, Satya Narayan, Chanakya Nath Kundu
PURPOSE: Previously, we reported that quinacrine (QC) may cause apoptosis in breast and colon cancer cells by activating the death receptor 5 (DR5), resulting in autophagic cell death through p21 modulation. Here, we systematically evaluated the combined role of p21 and DR5 and their crosstalk in QC-mediated autophagy and apoptosis in breast cancer cells using in vitro and in vivo models. METHODS: Multiple breast cancer-derived cell lines (MCF-7, ZR-75-1, T47D, MDA-MB-231 and MCF-10A-Tr) and a mouse xenograft model were used...
September 21, 2017: Cellular Oncology (Dordrecht)
https://www.readbyqxmd.com/read/28936621/expression-of-inflammatory-lipopolysaccharide-binding-protein-lbp-predicts-the-progression-of-conventional-renal-cell-carcinoma-a-short-report
#12
Gyula Kovacs, Lehel Peterfi, Nelli Farkas, Andras Javorhazy, Csaba Pusztai, Arpad Szanto
BACKGROUND: The mortality of conventional renal cell carcinoma (RCC) correlates directly with the presence or postoperative development of metastases. The aim of this study was to identify new markers associated with the postoperative progression of conventional RCC. METHODS: Tissue microarrays (TMA) of conventional RCC from a cohort of 414 patients were analysed by immunohistochemistry for expression of the lipopolysaccharide binding protein (LBP), which was identified as a candidate biomarker through Affymetrix U133 Plus 2...
September 21, 2017: Cellular Oncology (Dordrecht)
https://www.readbyqxmd.com/read/28929377/opposing-roles-of-the-aldo-keto-reductases-akr1b1-and-akr1b10-in-colorectal-cancer
#13
Betul Taskoparan, Esin Gulce Seza, Secil Demirkol, Sinem Tuncer, Milan Stefek, Ali Osmay Gure, Sreeparna Banerjee
PURPOSE: Aldo-keto reductases (including AKR1B1 and AKR1B10) constitute a family of oxidoreductases that have been implicated in the pathophysiology of diabetes and cancer, including colorectal cancer (CRC). Available data indicate that, despite their similarities in structure and enzymatic functions, their roles in CRC may be divergent. Here, we aimed to determine the expression and functional implications of AKR1B1 and AKR1B10 in CRC. METHODS: AKR1B1 and AKR1B10 gene expression levels were analyzed using publicly available microarray data and ex vivo CRC-derived cDNA samples...
September 19, 2017: Cellular Oncology (Dordrecht)
https://www.readbyqxmd.com/read/28929344/glucosidase-ii-beta-subunit-gluii%C3%AE-plays-a-role-in-autophagy-and-apoptosis-regulation-in-lung-carcinoma-cells-in-a-p53-dependent-manner
#14
Worapong Khaodee, Nichanan Inboot, Suruk Udomsom, Warunee Kumsaiyai, Ratchada Cressey
PURPOSE: Glucosidase II plays a major role in regulating the post-translational modification of N-linked glycoproteins. Previously, we found that the beta subunit of glucosidase II (GluIIβ) levels are significantly increased in lung carcinoma tissues, indicating a potential role in lung tumorigenesis. Here, we investigated the role of GluIIβ in the regulation of autophagy and apoptosis in lung carcinoma- and immortalized human bronchial epithelial-derived cells. METHODS: A selective glucosidase II inhibitor, bromoconduritol, was used to inhibit GluII enzyme activity and a siRNA-based technology was used to suppress the expression of the GluIIβ encoding gene PRKCSH in lung carcinoma cells differing in p53 status...
September 19, 2017: Cellular Oncology (Dordrecht)
https://www.readbyqxmd.com/read/28921309/lung-cancer-associated-brain-metastasis-molecular-mechanisms-and-therapeutic-options
#15
REVIEW
Meysam Yousefi, Tayyeb Bahrami, Arash Salmaninejad, Rahim Nosrati, Parisa Ghaffari, Seyed H Ghaffari
BACKGROUND: Lung cancer is the most common cause of cancer-related mortality in humans. There are several reasons for this high rate of mortality, including metastasis to several organs, especially the brain. In fact, lung cancer is responsible for approximately 50% of all brain metastases, which are very difficult to manage. Understanding the cellular and molecular mechanisms underlying lung cancer-associated brain metastasis brings up novel therapeutic promises with the hope to ameliorate the severity of the disease...
October 2017: Cellular Oncology (Dordrecht)
https://www.readbyqxmd.com/read/28748500/digital-droplet-pcr-ddpcr-for-the-detection-and-quantification-of-hpv-16-18-33-and-45%C3%A2-a-short-report
#16
Gabriella Lillsunde Larsson, Gisela Helenius
PURPOSE: Human papilloma virus (HPV) infection is associated with several anogenital malignancies. Here, we set out to evaluate digital droplet PCR (ddPCR) as a tool for HPV 16, 18, 33 and 45 viral load quantification and, in addition, to compare the efficacy of the ddPCR assay for HPV 16 detection with that of quantitative real-time PCR (qPCR). METHODS: Clinical samples, positive for HPV genotypes 16, 18, 33 and 45 were analyzed for viral load using ddPCR. Sample DNA was cleaved before droplet generation and PCR...
October 2017: Cellular Oncology (Dordrecht)
https://www.readbyqxmd.com/read/28741069/microrna-100-shuttled-by-mesenchymal-stem-cell-derived-exosomes-suppresses-in-vitro-angiogenesis-through-modulating-the-mtor-hif-1%C3%AE-vegf-signaling-axis-in-breast-cancer-cells
#17
Katayoon Pakravan, Sadegh Babashah, Majid Sadeghizadeh, Seyed Javad Mowla, Majid Mossahebi-Mohammadi, Farangis Ataei, Nasim Dana, Mohammad Javan
BACKGROUND: Human mesenchymal stem cells (MSCs) have been shown to be involved in the formation and modulation of tumor stroma and in interacting with tumor cells, partly through their secretome. Exosomes are nano-sized intraluminal multi-vesicular bodies secreted by most types of cells and have been found to mediate intercellular communication through the transfer of genetic information via coding and non-coding RNAs to recipient cells. Since exosomes are considered as protective and enriched sources of shuttle microRNAs (miRNAs), we hypothesized that exosomal transfer of miRNAs from MSCs may affect tumor cell behavior, particularly angiogenesis...
October 2017: Cellular Oncology (Dordrecht)
https://www.readbyqxmd.com/read/28721629/epha3-targeting-reduces-in-vitro-adhesion-and-invasion-and-in-vivo-growth-and-angiogenesis-of-multiple-myeloma-cells
#18
Francesco La Rocca, Irma Airoldi, Emma Di Carlo, Pina Marotta, Geppino Falco, Vittorio Simeon, Ilaria Laurenzana, Stefania Trino, Luciana De Luca, Katia Todoerti, Oreste Villani, Martin Lackmann, Fiorella D'Auria, Francesco Frassoni, Antonino Neri, Luigi Del Vecchio, Pellegrino Musto, Daniela Cilloni, Antonella Caivano
PURPOSE: Multiple myeloma (MM) is a hematologic malignancy characterized by a clonal expansion of plasma cells (PCs) in the bone marrow (BM). Since MM has so far remained incurable, further insights into its pathogenesis and the concomitant identification of new therapeutic targets are urgently needed. The tyrosine kinase receptor EphA3 is known to be involved in various cellular processes including cell viability, cell movement and cell-cell interactions. Recently, EphA3 has emerged as a potential therapeutic target in several hematologic and solid tumors...
October 2017: Cellular Oncology (Dordrecht)
https://www.readbyqxmd.com/read/28677037/suppression-of-a-cancer-stem-like-phenotype-mediated-by-alpha-lipoic-acid-in-human-lung-cancer-cells-through-down-regulation-of-%C3%AE-catenin-and-oct-4
#19
Preeyaporn Plaimee Phiboonchaiyanan, Pithi Chanvorachote
PURPOSE: Cancer stem cells (CSCs) that possess the ability of self-renewal and multi-potency have been shown to drive tumor progression and metastasis. The majority of recent studies has focused on potential molecules targeting CSCs so as to develop novel strategies for efficient cancer treatment or protection. Here, we show how alpha-lipoic acid (LA), an endogenous mitochondrial anti-oxidant, affects the CSC-like phenotypes of human non-small cell lung cancer-derived H23, H292 and H460 cells...
October 2017: Cellular Oncology (Dordrecht)
https://www.readbyqxmd.com/read/28643230/crosstalk-between-m2-macrophages-and-glioma-stem-cells
#20
Leora M Nusblat, Molly J Carroll, Charles M Roth
PURPOSE: Given its extremely poor prognosis, there is a pressing need for an improved understanding of the biology of glioblastoma multiforme (GBM), including the roles of tumor subpopulations that may contribute to their growth rate and therapy resistance. The most malignant phenotypes of GBM have been ascribed to the presence of subpopulations of cancer stem cells (CSCs), which are resistant to chemotherapeutic drugs and ionizing radiation and which promote invasiveness and metastasis...
October 2017: Cellular Oncology (Dordrecht)
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