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Cellular Oncology (Dordrecht)

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https://www.readbyqxmd.com/read/29956121/identification-of-an-enhancer-region-within-the-tp63-leprel1-locus-containing-genetic-variants-associated-with-bladder-cancer-risk
#1
Aleksandra M Dudek, Sita H Vermeulen, Dimitar Kolev, Anne J Grotenhuis, Lambertus A L M Kiemeney, Gerald W Verhaegh
PURPOSE: Genome-wide association studies (GWAS) have led to the identification of a bladder cancer susceptibility variant (rs710521) in a non-coding intergenic region between the TP63 and LEPREL1 genes on chromosome 3q28, suggesting a role in the transcriptional regulation of these genes. In this study, we aimed to functionally characterize the 3q28 bladder cancer risk locus. METHODS: Fine-mapping was performed by focusing on the region surrounding rs710521, and variants were prioritized for further experiments using ENCODE regulatory data...
June 28, 2018: Cellular Oncology (Dordrecht)
https://www.readbyqxmd.com/read/29946821/tlr4-and-rage-conversely-mediate-pro-inflammatory-s100a8-9-mediated-inhibition-of-proliferation-linked-signaling-in-myeloproliferative-neoplasms
#2
Marijana Kovačić, Olivera Mitrović-Ajtić, Bojana Beleslin-Čokić, Dragoslava Djikić, Tijana Subotički, Miloš Diklić, Danijela Leković, Mirjana Gotić, Pascal Mossuz, Vladan P Čokić
PURPOSE: Previously, the family of S100A proteins has been found to be associated with inflammation and myelopoiesis and to be able to induce or support myeloproliferation during chronic inflammation. Here, we studied the inflammatory myeloid-related proteins S100A4, S100A8, S100A9 and S100A12 in myeloproliferative neoplasms (MPNs) in order to assess the involvement of chronic inflammation in the pathogenesis of MPN. METHODS: We analyzed the S100A4, S100A8, S100A9 and S100A12 mRNA and protein levels in the bone marrow and circulation of 140 patients with MPN and 15 healthy controls using Western blotting, microarray-based mRNA expression profiling and ELISA assays, respectively...
June 26, 2018: Cellular Oncology (Dordrecht)
https://www.readbyqxmd.com/read/29923144/%C3%AE-catenin-gene-promoter-hypermethylation-by-reactive-oxygen-species-correlates-with-the-migratory-and-invasive-potentials-of-colon-cancer-cells
#3
Suhrid Banskota, Sadan Dahal, Eunju Kwon, Dong Young Kim, Jung-Ae Kim
PURPOSE: Over half of the colon cancer patients suffer from cancer-related events, mainly metastasis. Loss of β-catenin activity has previously been found to facilitate cancer cell dissociation and migration. Here, we aimed to investigate whether epigenetic silencing of β-catenin induces human colon cancer cell migration and/or invasion. METHODS: HCT-116, Caco-2, HT-29 and SW620 cell migration and invasion capacities were assessed using scratch wound healing and Matrigel invasion assays, respectively...
June 19, 2018: Cellular Oncology (Dordrecht)
https://www.readbyqxmd.com/read/29949051/stromal-collagen-type-vi-associates-with-features-of-malignancy-and-predicts-poor-prognosis-in-salivary-gland-cancer
#4
Linus Angenendt, Jan-Henrik Mikesch, Dennis Görlich, Alina Busch, Irina Arnhold, Claudia Rudack, Wolfgang Hartmann, Eva Wardelmann, Wolfgang E Berdel, Markus Stenner, Christoph Schliemann, Inga Grünewald
PURPOSE: Collagen Type VI (COLVI) is an extracellular matrix protein that is upregulated in various solid tumours during tumour progression and has been shown to stimulate proliferation, suppress apoptosis and promote invasion and metastasis. It has also been described as a mediator of chemotherapy resistance and as a therapeutic target in preclinical cancer models. Here, we aimed to analyse the prognostic role of COLVI in salivary gland cancer (SGC). METHODS: Stromal COLVI protein expression was assessed in primary SGC specimens of 91 patients using immunohistochemistry (IHC)...
June 15, 2018: Cellular Oncology (Dordrecht)
https://www.readbyqxmd.com/read/29949050/mesenchymal-marker-and-lgr5-expression-levels-in-circulating-tumor-cells-correlate-with-colorectal-cancer-prognosis
#5
Wuyi Wang, Lin Wan, Shiyang Wu, Jianguo Yang, Yang Zhou, Fang Liu, Zhengzheng Wu, Yong Cheng
PURPOSE: The presence of circulating tumor cells (CTCs) has been found to correlate with colorectal cancer (CRC) prognosis, whereas epithelial-mesenchymal transition (EMT) in CTCs has been found to be associated with CRC metastasis. LGR5 is a known target of Wnt signaling and plays an important role in CRC development. The aim of this study was to assess the clinical relevance of EMT and LGR5 expression in CTCs from CRC patients. METHODS: Sixty-six CRC patients were included in this study...
June 14, 2018: Cellular Oncology (Dordrecht)
https://www.readbyqxmd.com/read/29949049/targeting-glucose-transport-and-the-nad-pathway-in-tumor-cells-with-stf-31-a-re-evaluation
#6
Dominik Kraus, Jan Reckenbeil, Nadine Veit, Stefan Kuerpig, Michael Meisenheimer, Imke Beier, Helmut Stark, Jochen Winter, Rainer Probstmeier
BACKGROUND: Targeting glucose metabolism is a promising way to interfere with tumor cell proliferation and survival. However, controversy exists about the specificity of some glucose metabolism targeting anticancer drugs. Especially the potency of STF-31 has been debated. Here, we aimed to assess the impact of the glucose transporter (GLUT) inhibitors fasentin and WZB117, and the nicotinamide phosphoribosyltransferase (NAMPT) inhibitors GMX1778 and STF-31 on tumor cell proliferation and survival, as well as on glucose uptake...
June 11, 2018: Cellular Oncology (Dordrecht)
https://www.readbyqxmd.com/read/29873033/aaa-atpases-reptin-and-pontin-as-potential-diagnostic-and-prognostic-biomarkers-in-salivary-gland-cancer-a-short-report
#7
Jan-Henrik Mikesch, Wolfgang Hartmann, Linus Angenendt, Otmar Huber, Christoph Schliemann, Maria Francisca Arteaga, Eva Wardelmann, Claudia Rudack, Wolfgang E Berdel, Markus Stenner, Inga Grünewald
PURPOSE: Salivary gland cancer (SGC) is a rare and heterogeneous disease with significant differences in recurrence and metastasis characteristics. As yet, little is known about the mechanisms underlying the initiation and/or progression of these diverse tumors. In recent years, the AAA+ ATPase family members Pontin (RuvBL1, Tip49a) and Reptin (RuvBL2, Tip49b) have been implicated in various processes, including transcription regulation, chromatin remodeling and DNA damage repair, that are frequently deregulated in cancer...
June 5, 2018: Cellular Oncology (Dordrecht)
https://www.readbyqxmd.com/read/29869097/patched-2-functions-to-limit-patched-1-deficient-skin-cancer-growth
#8
Veronique L Veenstra, Ilse Dingjan, Cynthia Waasdorp, Helene Damhofer, Allard C van der Wal, Hanneke W van Laarhoven, Jan Paul Medema, Maarten F Bijlsma
PURPOSE: Basal cell carcinoma (BCC) is one of the most common skin cancers, and is typically driven by an aberrantly activated Hedgehog (Hh) pathway. The Hh pathway is regulated by interactions between the Patched-1 (Ptch1) and Smoothened (Smo) receptors. Smo is an activating receptor and is subject to inhibition by Ptch1. Following ligand binding to Ptch1, its inhibitory action is relieved and pathway activation occurs. This receptor interaction is pivotal to restraining uncontrolled cellular growth...
June 4, 2018: Cellular Oncology (Dordrecht)
https://www.readbyqxmd.com/read/29858962/identification-of-biomarkers-associated-with-partial-epithelial-to-mesenchymal-transition-in-the-secretome-of-slug-over-expressing-hepatocellular-carcinoma-cells
#9
Oğuzhan Karaosmanoğlu, Sreeparna Banerjee, Hülya Sivas
BACKGROUND: Hepatocellular carcinoma (HCC) is the second leading cause of cancer-related deaths worldwide. Complete epithelial to mesenchymal transition (EMT) has long been considered as a crucial step for metastasis initiation. It has, however, become apparent that many carcinoma cells can metastasize without complete loss of epithelial traits or with incomplete gain of mesenchymal traits, i.e., partial EMT. Here, we aimed to determine the similarities and differences between complete and partial EMT through over-expression of the EMT-associated transcription factor Slug in different HCC-derived cell lines...
June 1, 2018: Cellular Oncology (Dordrecht)
https://www.readbyqxmd.com/read/29797241/role-of-pkm2-in-directing-the-metabolic-fate-of-glucose-in-cancer-a-potential-therapeutic-target
#10
REVIEW
Gustav van Niekerk, Anna-Mart Engelbrecht
BACKGROUND: Many of the hallmarks of cancer are not inherently unique to cancer, but rather represent a re-enactment of normal host responses and activities. A vivid example is aerobic glycolysis ('Warburg effect'), which is used not only by cancer cells but also by normal cells that undergo rapid proliferation. A common feature of this metabolic adaptation is a shift in the expression of pyruvate kinase (PK) isoform M1 to isoform M2. Here, we highlight the key role of PKM2 in shifting cancer metabolism between ATP production and biosynthetic processes...
May 24, 2018: Cellular Oncology (Dordrecht)
https://www.readbyqxmd.com/read/29790111/potential-of-the-dual-mtor-kinase-inhibitor-azd2014-to-overcome-paclitaxel-resistance-in-anaplastic-thyroid-carcinoma
#11
Zorica Milošević, Jasna Banković, Jelena Dinić, Chrisiida Tsimplouli, Evangelia Sereti, Miodrag Dragoj, Verica Paunović, Zorka Milovanović, Marija Stepanović, Nikola Tanić, Kostantinos Dimas, Milica Pešić
PURPOSE: Anaplastic thyroid carcinoma (ATC) is an aggressive, chemo-resistant malignancy. Chemo-resistance is often associated with changes in activity of the RAS/MAPK/ERK and PI3K/AKT/mTOR pathways and/or a high expression of ATP binding cassette (ABC) transporters, such as P-glycoprotein (P-gp) and breast cancer resistance protein (BCRP). To assess the therapeutic efficacy in ATC of a combination of the dual mTOR kinase inhibitor vistusertib (AZD2014) and paclitaxel (PTX), we generated a new cell line (Rho-) via the selection of human thyroid carcinoma 8505C cells that exhibit a low accumulation of rhodamine 123, which serves as a P-gp and BCRP substrate...
May 22, 2018: Cellular Oncology (Dordrecht)
https://www.readbyqxmd.com/read/29667069/the-versatile-role-of-exosomes-in-cancer-progression-diagnostic-and-therapeutic-implications
#12
REVIEW
Vignesh Sundararajan, Fazlul H Sarkar, Thamil Selvee Ramasamy
BACKGROUND: Recent advances in cancer biology have highlighted the relevance of exosomes and nanovesicles as carriers of genetic and biological messages between cancer cells and their immediate and/or distant environments. It has been found that these molecular cues may play significant roles in cancer progression and metastasis. Cancer cells secrete exosomes containing diverse molecules that can be transferred to recipient cells and/or vice versa to induce a plethora of biological processes, including angiogenesis, metastasis formation, therapeutic resistance, epithelial-mesenchymal transition and epigenetic/stemness (re)programming...
June 2018: Cellular Oncology (Dordrecht)
https://www.readbyqxmd.com/read/29633150/genetics-of-personalized-medicine-cancer-and-rare-diseases
#13
Inês Teles Siefers Alves, Manuel Condinho, Sónia Custódio, Bruna F Pereira, Rafael Fernandes, Vânia Gonçalves, Paulo J da Costa, Rafaela Lacerda, Ana Rita Marques, Patrícia Martins-Dias, Gonçalo R Nogueira, Ana Rita Neves, Patrícia Pinho, Raquel Rodrigues, Eva Rolo, Joana Silva, André Travessa, Rosário Pinto Leite, Ana Sousa, Luísa Romão
The 21st annual meeting of the Portuguese Society of Human Genetics (SPGH), organized by Luísa Romão, Ana Sousa and Rosário Pinto Leite, was held in Caparica, Portugal, from the 16th to the 18th of November 2017. Having entered an era in which personalized medicine is emerging as a paradigm for disease diagnosis, treatment and prevention, the program of this meeting intended to include lectures by leading national and international scientists presenting exceptional findings on the genetics of personalized medicine...
June 2018: Cellular Oncology (Dordrecht)
https://www.readbyqxmd.com/read/29492901/inhibition-of-autophagy-enhances-denspm-induced-apoptosis-in-human-colon-cancer-cells-in-a-p53-independent-manner
#14
Ajda Coker Gurkan, Elif Damla Arisan, Pinar Obakan Yerlikaya, Halime Ilhan, Narcin Palavan Unsal
PURPOSE: One of the recently developed polyamine (PA) analogues, N 1 ,N11 -diethylnorspermine (DENSpm), has been found to act as an apoptotic inducer in melanoma, breast, prostate and colon cancer cells. Also, its potential to induce autophagy has been established. Unfolded protein responses and starvation of amino acids are known to trigger autophagy. As yet, however, the molecular mechanism underlying PA deficiency-induced autophagy is not fully clarified. Here, we aimed to determine the apoptotic effect of DENSpm after autophagy inhibition by 3-methyladenine (3-MA) or siRNA-mediated Beclin-1 silencing in colon cancer cells...
June 2018: Cellular Oncology (Dordrecht)
https://www.readbyqxmd.com/read/29492900/a-hif-independent-cd133-mediated-mechanism-of-cisplatin-resistance-in-glioblastoma-cells
#15
Eroje M Ahmed, Gagori Bandopadhyay, Beth Coyle, Anna Grabowska
PURPOSE: Glioblastoma (GBM) is the commonest brain tumour in adults. A sub-population of cells within these tumours, known as cancer stem cells (CSCs), is thought to mediate their chemo-/radiotherapy resistance. CD133 is a cell surface marker that is used to identify and isolate GBM CSCs. However, its functional significance, as well as the relevant microenvironment in which to study CD133, have so far remained unknown. Here, we examined the effect of hypoxia on the expression of CD133 and on that of the hypoxia-related factors HIF-1α and HIF-2α, and the potential functional significance of CD133 expression on the acquisition of chemo-resistance by GBM cells...
June 2018: Cellular Oncology (Dordrecht)
https://www.readbyqxmd.com/read/29480379/diagnostic-and-prognostic-relevance-of-salivary-microrna-21-125a-31-and-200a-levels-in-patients-with-oral-lichen-planus-a-short-report
#16
Masoumeh Mehdipour, Minoo Shahidi, Soheila Manifar, Soudeh Jafari, Fatemeh Mashhadi Abbas, Mahmood Barati, Hamed Mortazavi, Mohammad Shirkhoda, Amir Farzanegan, Zahra Elmi Rankohi
BACKGROUND: Oral lichen planus (OLP), a relatively common chronic inflammatory disease of the oral mucosa, is considered to be a premalignant disorder of the oral cavity. Previously, several biomarkers have been tested for their diagnostic potential. Here, we aimed to investigate the diagnostic potential of four miRNAs, miR-21, -125a, -31 and -200a, known to be involved in oral squamous cell carcinoma (OSCC) development, in the saliva of OLP patients as also their putative relation to OSCC development in these patients...
June 2018: Cellular Oncology (Dordrecht)
https://www.readbyqxmd.com/read/29470830/strong-enhancement-by-igf1-r-antagonists-of-hepatocellular-carcinoma-cell-migration-inhibition-by-sorafenib-and-or-vitamin-k1
#17
Rosalba D'Alessandro, Maria Grazia Refolo, Catia Lippolis, Nicola Carella, Caterina Messa, Aldo Cavallini, Brian Irving Carr
PURPOSE: Emerging evidence indicates that combining Sorafenib with vitamin K1 (VK1) may result in a synergistic inhibition of hepatocellular carcinoma (HCC) cell migration and proliferation. Despite this synergy, its benefits may be limited due to drug resistance resulting from cross-talk with the tumor microenvironment. Insulin-like growth factor-1 (IGF1) signaling acts as an important modulator of HCC cell growth, motility and drug resistance. Therefore, we aimed to explore the effects of Sorafenib in combination with VK1 and/or IGF1-R antagonists on HCC cells...
June 2018: Cellular Oncology (Dordrecht)
https://www.readbyqxmd.com/read/29368272/concomitant-high-expression-of-er%C3%AE-36-grp78-and-grp94-is-associated-with-aggressive-papillary-thyroid-cancer-behavior
#18
Yu-Jie Dai, Yi-Bo Qiu, Rong Jiang, Man Xu, Ling-Yao Liao, George G Chen, Zhi-Min Liu
PURPOSE: Papillary thyroid cancer (PTC) is more common in women than in men. It has been suggested that estrogen may be involved in its development, as has previously been shown for breast, endometrial and ovarian cancer. The purpose of this study was to assess correlations between the expression of the estrogen receptor alpha36 (ERα36) and the glucose regulated proteins GRP78 and GRP94 (chaperones involved in glycoprotein folding) and various PTC clinicopathological features, as well as to evaluate the potential usefulness of these three potential oncogenic proteins in the prediction of aggressive PTC behavior...
June 2018: Cellular Oncology (Dordrecht)
https://www.readbyqxmd.com/read/29299828/fibroblast-growth-factor-receptor-1-and-3-expression-is-associated-with-regulatory-pi3k-akt-kinase-activity-as-well-as-invasion-and-prognosis-in-human-laryngeal-cancer
#19
Katarzyna Starska, Ewa Forma, Iwona Lewy-Trenda, Olga Stasikowska-Kanicka, Michał Skóra, Magdalena Bryś
PURPOSE: Aberrant fibroblast growth factor receptor (FGFR) expression is thought to contribute to the development of many types of cancer. As yet, however, their impact on the course and prognosis of head and neck cancer remains to be determined. Here, we aimed to investigate the effects of expression of the FGFR family members FGFR1 and FGFR3, as well as their downstream PI3K/AKT signal-regulated kinases, on the aggressiveness and prognosis of laryngeal cancer. METHODS: In total 137 surgically removed squamous cell laryngeal cancer (SCLC) and 100 matched non-cancerous laryngeal mucosa (NCLM) samples were assessed for mRNA expression using quantitative real-time PCR...
June 2018: Cellular Oncology (Dordrecht)
https://www.readbyqxmd.com/read/29679238/identification-of-subsets-of-actionable-genetic-alterations-in-kras-mutant-lung-cancers-using-association-rule-mining
#20
Junior Tayou
BACKGROUND: Lung cancer is the leading cause of cancer-related death in both men and women. KRAS mutations occur in ~ 25% of patients with lung cancer, and the presence of these mutations is associated with a poor prognosis. Unfortunately, efforts to directly target KRAS or its associated downstream MAPK or PI3K/AKT/mTOR pathways have seen little or no benefits. Here, I hypothesize that KRAS-mutant tumors do not respond to KRAS pathway therapies due to the co-occurrence of other activated cell survival pathways and/or mechanisms...
April 20, 2018: Cellular Oncology (Dordrecht)
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