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Cellular Oncology (Dordrecht)

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https://www.readbyqxmd.com/read/28936810/phosphorylated-cxcr4-expression-has-a-positive-prognostic-impact-in-colorectal-cancer
#1
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
#2
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
#3
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
#4
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
#5
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
#6
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...
September 18, 2017: Cellular Oncology (Dordrecht)
https://www.readbyqxmd.com/read/28808957/differential-effect-of-tgf%C3%AE-on-the-proteome-of-cancer-associated-fibroblasts-and-cancer-epithelial-cells-in-a-co-culture-approach-a-short-report
#7
Maria Magdalena Koczorowska, Charlotte Friedemann, Klaus Geiger, Marie Follo, Martin Lothar Biniossek, Oliver Schilling
BACKGROUND: Solid tumors contain various components that together form the tumor microenvironment. Cancer associated fibroblasts (CAFs) are capable of secreting and responding to signaling molecules and growth factors. Due to their role in tumor development, CAFs are considered as potential therapeutic targets. A prominent tumor-associated signaling molecule is transforming growth factor β (TGFβ), an inducer of epithelial-to-mesenchymal transition (EMT). The differential action of TGFβ on CAFs and ETCs (epithelial tumor cells) has recently gained interest...
August 14, 2017: Cellular Oncology (Dordrecht)
https://www.readbyqxmd.com/read/28776259/increased-egfr-expression-induced-by-a-novel-oncogene-cug2-confers-resistance-to-doxorubicin-through-stat1-hdac4-signaling
#8
Sirichat Kaowinn, Seung Won Jun, Chang Seok Kim, Dong-Myeong Shin, Yoon-Hwae Hwang, Kyujung Kim, Bosung Shin, Chutima Kaewpiboon, Hyeon Hee Jeong, Sang Seok Koh, Oliver H Krämer, Randal N Johnston, Young-Hwa Chung
BACKGROUND: Previously, it has been found that the cancer upregulated gene 2 (CUG2) and the epidermal growth factor receptor (EGFR) both contribute to drug resistance of cancer cells. Here, we explored whether CUG2 may exert its anticancer drug resistance by increasing the expression of EGFR. METHODS: EGFR expression was assessed using Western blotting, immunofluorescence and capacitance assays in A549 lung cancer and immortalized bronchial BEAS-2B cells, respectively, stably transfected with a CUG2 expression vector (A549-CUG2; BEAS-CUG2) or an empty control vector (A549-Vec; BEAS-Vec)...
August 3, 2017: Cellular Oncology (Dordrecht)
https://www.readbyqxmd.com/read/28770546/leptin-promotes-the-migration-and-invasion-of-breast-cancer-cells-by-upregulating-acat2
#9
Yunxiu Huang, Qianni Jin, Min Su, Feihu Ji, Nian Wang, Changli Zhong, Yulin Jiang, Yifeng Liu, Zhiqian Zhang, Junhong Yang, Lan Wei, Tingmei Chen, Bing Li
BACKGROUND: Previously, it has been shown that obesity may be considered as a risk factor for breast cancer in postmenopausal women. Leptin, a hormone whose level is elevated in obesity, has been suggested to be involved in the development of breast cancer, and univariate survival analyses have shown that over-expression of ACAT2, an enzyme that is involved in the production of cholesteryl esters, may be associated with a poor prognosis. Here, we aimed to investigate the effect of leptin on the proliferation, migration and invasion of breast cancer cells, as well as to elucidate its underlying mode of action...
August 2, 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
#10
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...
July 26, 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
#11
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...
July 24, 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
#12
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...
July 18, 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
#13
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...
July 4, 2017: Cellular Oncology (Dordrecht)
https://www.readbyqxmd.com/read/28677036/%C3%AE-np73-regulates-the-expression-of-the-multidrug-resistance-genes-abcb1-and-abcb5-in-breast-cancer-and-melanoma-cells-a-short-report
#14
Habib A M Sakil, Marina Stantic, Johanna Wolfsberger, Suzanne Egyhazi Brage, Johan Hansson, Margareta T Wilhelm
PURPOSE: Multidrug resistance (MDR) is a major cause of treatment failure. In cancer cells, MDR is often caused by an increased efflux of therapeutic drugs mediated by an up-regulation of ATP binding cassette (ABC) transporters. It has previously been shown that oncogenic ΔNp73 plays an important role in chemo-resistance. Here we aimed at unraveling the role of ΔNp73 in regulating multidrug resistance in breast cancer and melanoma cells. METHODS: KEGG pathway analysis was used to identify pathways enriched in breast cancer samples with a high ΔNp73 expression...
July 4, 2017: Cellular Oncology (Dordrecht)
https://www.readbyqxmd.com/read/28748501/a-step-by-step-microrna-guide-to-cancer-development-and-metastasis
#15
REVIEW
Georgios S Markopoulos, Eugenia Roupakia, Maria Tokamani, Evangelia Chavdoula, Maria Hatziapostolou, Christos Polytarchou, Kenneth B Marcu, Athanasios G Papavassiliou, Raphael Sandaltzopoulos, Evangelos Kolettas
BACKGROUND: Cancer is one of the leading causes of mortality. The neoplastic transformation of normal cells to cancer cells is caused by a progressive accumulation of genetic and epigenetic alterations in oncogenes, tumor suppressor genes and epigenetic regulators, providing cells with new properties, collectively known as the hallmarks of cancer. During the process of neoplastic transformation cells progressively acquire novel characteristics such as unlimited growth potential, increased motility and the ability to migrate and invade adjacent tissues, the ability to spread from the tumor of origin to distant sites, and increased resistance to various types of stresses, mostly attributed to the activation of genetic stress-response programs...
August 2017: Cellular Oncology (Dordrecht)
https://www.readbyqxmd.com/read/28653288/progesterone-suppresses-the-invasion-and-migration-of-breast-cancer-cells-irrespective-of-their-progesterone-receptor-status-a-short-report
#16
Mukul Godbole, Kanishka Tiwary, Rajendra Badwe, Sudeep Gupta, Amit Dutt
PURPOSE: Pre-operative progesterone treatment of breast cancer has been shown to confer survival benefits to patients independent of their progesterone receptor (PR) status. The underlying mechanism and the question whether such an effect can also be observed in PR negative breast cancer cells remain to be resolved. METHODS: We performed proteome profiling of PR-positive and PR-negative breast cancer cells in response to progesterone using a phospho-kinase array platform...
August 2017: Cellular Oncology (Dordrecht)
https://www.readbyqxmd.com/read/28631186/association-between-epidermal-growth-factor-receptor-amplification-and-adp-ribosylation-factor-1-methylation-in-human-glioblastoma
#17
Concha López-Ginés, Lara Navarro, Lisandra Muñoz-Hidalgo, Enrique Buso, José Manuel Morales, Rosario Gil-Benso, Mariela Gregori-Romero, Javier Megías, Pedro Roldán, Remedios Segura-Sabater, José Manuel Almerich-Silla, Daniel Monleón, Miguel Cerdá-Nicolás
PURPOSE: Glioblastoma (GB) is the most frequent and most malignant primary brain tumor in adults. Previously, it has been found that both genetic and epigenetic factors may play critical roles in its etiology and prognosis. In addition, it has been found that the epidermal growth factor receptor gene (EGFR) is frequently over-expressed and amplified in primary GBs. Here, we assessed the promoter methylation status of 10 genes relevant to GB and explored associations between these findings and the EGFR gene amplification status...
August 2017: Cellular Oncology (Dordrecht)
https://www.readbyqxmd.com/read/28612337/microrna-371a-3p-as-informative-biomarker-for-the-follow-up-of-testicular-germ-cell-cancer-patients
#18
Ton van Agthoven, Wil M H Eijkenboom, Leendert H J Looijenga
PURPOSE: α-fetoprotein (AFP) and human chorionic gonadotropin subunit beta (B-HCG) are informative serum biomarkers for the primary diagnosis and follow-up of testicular germ cell cancer (TGCC) patients. About 20% of TGCC patients with a non-seminoma (NS) and about 80% with a seminoma (SE) are, however, negative for these biomarkers. Embryonic stem cell microRNAs (miRs) may serve as promising alternative serum biomarkers. Here we investigated a retrospective series of serum samples from selected TGCC patients who developed a relapse in time to test the possible additional value of the serum-based ampTSmiR test compared to the conventional serum-based protein biomarkers for follow-up...
August 2017: Cellular Oncology (Dordrecht)
https://www.readbyqxmd.com/read/28593575/the-role-of-herg1-ion-channels-in-epithelial-mesenchymal-transition-and-the-capacity-of-riluzole-to-reduce-cisplatin-resistance-in-colorectal-cancer-cells
#19
Angelo Fortunato
PURPOSE: The transition of cells from the epithelial to the mesenchymal state (EMT) plays an important role in tumor progression. EMT allows cells to acquire mobility, stem-like behavior and resistance to apoptosis and drug treatment. These features turn EMT into a central process in tumor biology. Ion channels are attractive targets for the treatment of cancer since they play critical roles in controlling a wide range of physiological processes that are frequently deregulated in cancer...
August 2017: Cellular Oncology (Dordrecht)
https://www.readbyqxmd.com/read/28567715/mdmx-is-a-prognostic-factor-for-non-small-cell-lung-cancer-and-regulates-its-sensitivity-to-cisplatin
#20
Han Zhao, Yu-Zhuo Xie, Rui Xing, Ming Sun, Feng Chi, Yue-Can Zeng
PURPOSE: Chemoradiotherapy is the standard treatment modality for advanced non-small cell lung cancer (NSCLC). However, drug and radiation resistance remain major factors influencing its clinical outcome. The purpose of this study was to evaluate whether MDMX can affect the chemosensitivity and clinical outcome of NSCLC. METHODS: Quantitative real-time PCR (qRT-PCR) was performed to assess MDMX mRNA expression levels in 105 primary NSCLC tissues, its corresponding non-cancerous tissues and two NSCLC-derived cell lines (A549 and SK-MES-1)...
August 2017: Cellular Oncology (Dordrecht)
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