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BMC Cancer

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https://www.readbyqxmd.com/read/28818060/rna-transfection-of-%C3%AE-%C3%AE-t-cells-with-a-chimeric-antigen-receptor-or-an-%C3%AE-%C3%AE-t-cell-receptor-a-safer-alternative-to-genetically-engineered-%C3%AE-%C3%AE-t-cells-for-the-immunotherapy-of-melanoma
#1
Dennis C Harrer, Bianca Simon, Shin-Ichiro Fujii, Kanako Shimizu, Ugur Uslu, Gerold Schuler, Kerstin F Gerer, Stefanie Hoyer, Jan Dörrie, Niels Schaft
BACKGROUND: Adoptive T-cell therapy relying on conventional T cells transduced with T-cell receptors (TCRs) or chimeric antigen receptors (CARs) has caused substantial tumor regression in several clinical trials. However, genetically engineered T cells have been associated with serious side-effects due to off-target toxicities and massive cytokine release. To obviate these concerns, we established a protocol adaptable to GMP to expand and transiently transfect γ/δ T cells with mRNA...
August 17, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28818048/identification-of-cancer-risk-and-associated-behaviour-implications-for-social-marketing-campaigns-for-cancer-prevention
#2
Rebecca Kippen, Erica James, Bernadette Ward, Penny Buykx, Ardel Shamsullah, Wendy Watson, Kathy Chapman
BACKGROUND: Community misconception of what causes cancer is an important consideration when devising communication strategies around cancer prevention, while those initiating social marketing campaigns must decide whether to target the general population or to tailor messages for different audiences. This paper investigates the relationships between demographic characteristics, identification of selected cancer risk factors, and associated protective behaviours, to inform audience segmentation for cancer prevention social marketing...
August 17, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28814281/impact-of-new-generation-hormone-therapy-on-cognitive-function-in-elderly-patients-treated-for-a-metastatic-prostate-cancer-cog-pro-trial-protocol
#3
Marie Lange, Heidi Laviec, Hélène Castel, Natacha Heutte, Alexandra Leconte, Isabelle Léger, Bénédicte Giffard, Aurélie Capel, Martine Dubois, Bénédicte Clarisse, Elodie Coquan, Frédéric Di Fiore, Sophie Gouérant, Philippe Bartélémy, Laure Pierard, Karim Fizazi, Florence Joly
BACKGROUND: New generation hormone-therapies (NGHT) targeting the androgen signalling pathway are nowadays proposed to elderly patients with metastatic castration-resistant prostate cancer (CRPCa). The impact of these treatments on cognitive function has never been evaluated whereas cognitive impairment may have an impact on the autonomy and the treatment adherence. The aim of this study is to prospectively assess the incidence of cognitive impairment in elderly men after treatment by NGHT for a metastatic CRPCa...
August 16, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28814275/randomized-study-comparing-full-dose-monotherapy-s-1-followed-by-irinotecan-and-reduced-dose-combination-therapy-s-1-oxaliplatin-followed-by-s-1-irinotecan-as-initial-therapy-for-older-patients-with-metastatic-colorectal-cancer-nordic-9
#4
Stine Braendegaard Winther, Pia Österlund, Åke Berglund, Bengt Glimelius, Camilla Qvortrup, Halfdan Sorbye, Per Pfeiffer
BACKGROUND: Metastatic colorectal cancer (mCRC) is a disease of older age, but there is a relative lack of knowledge about effects of chemotherapy in older patients as they are under-represented in clinical trials. Little data can guide whether the strategy in older mCRC patients should be a sequential full-dose monotherapy chemotherapy approach or a dose-reduced combination chemotherapy approach. The oral 5FU prodrug S-1 seems to have less side effects than capecitabine and should be an optimal drug for older patients, but few data are available...
August 16, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28810837/phase-i-dose-escalation-study-of-pazopanib-combined-with-bevacizumab-in-patients-with-metastatic-renal-cell-carcinoma-or-other-advanced-tumors
#5
Sylvie Négrier, David Pérol, Rastislav Bahleda, Antoine Hollebecque, Etienne Chatelut, Helen Boyle, Philippe Cassier, Séverine Metzger, Ellen Blanc, Jean-Charles Soria, Bernard Escudier
BACKGROUND: Vascular endothelial growth factor (VEGF) directed therapies are being used in a large number of advanced tumors. Metastatic renal cell carcinoma (mRCC) is highly dependent on the VEGF pathway; VEGF receptor (VEGFR) tyrosine kinase inhibitors (TKI) and humanized VEGF monoclonal antibody have been registered for clinical use in advanced renal cell carcinoma. The VEGFR TKI, pazopanib, with a rather manageable toxicity profile, was preferred to sunitinib by mRCC patients. We investigate the combination of pazopanib and bevacizumab to determine the maximum tolerated dose (MTD) in mRCC and other advanced solid tumors...
August 15, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28810836/suppression-of-agr2-in-a-tgf-%C3%AE-induced-smad-regulatory-pathway-mediates-epithelial-mesenchymal-transition
#6
Lucia Sommerova, Eva Ondrouskova, Borivoj Vojtesek, Roman Hrstka
BACKGROUND: During cancer progression, epithelial cancer cells can be reprogrammed into mesenchymal-like cells with increased migratory potential through the process of epithelial-mesenchymal transition (EMT), representing an essential step of tumor progression towards metastatic state. AGR2 protein was shown to regulate several cancer-associated processes including cellular proliferation, survival and drug resistance. METHODS: The expression of AGR2 was analyzed in cancer cell lines exposed to TGF-β alone or to combined treatment with TGF-β and the Erk1/2 inhibitor PD98059 or the TGF-β receptor specific inhibitor SB431542...
August 15, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28807016/endogenous-controls-of-gene-expression-in-n-methyl-n-nitrosourea-induced-t-cell-lymphoma-in-p53-deficient-mice
#7
Xi Wu, Susu Liu, Jianjun Lyu, Shuya Zhou, Yanwei Yang, Chenfei Wang, Wenda Gu, Qin Zuo, Baowen Li, Changfa Fan
BACKGROUND: Real-time polymerase chain reaction (PCR) has become an increasingly important technique for gene expression profiling because it can provide insights into complex biological and pathological processes and be used to predict disease or treatment outcomes. Although normalized data are necessary for an accurate estimation of mRNA expression levels, several pieces of evidence suggest that the expression of so-called housekeeping genes is not stable. This study aimed to validate reference genes for the normalization of real-time PCR in an N-methyl-N-nitrosourea (MNU)-induced T-cell lymphoma mouse model...
August 14, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28806955/reducing-the-socioeconomic-gradient-in-uptake-of-the-nhs-bowel-cancer-screening-programme-using-a-simplified-supplementary-information-leaflet-a-cluster-randomised-trial
#8
Samuel G Smith, Jane Wardle, Wendy Atkin, Rosalind Raine, Lesley M McGregor, Gemma Vart, Steve Morris, Stephen W Duffy, Susan Moss, Allan Hackshaw, Stephen Halloran, Ines Kralj-Hans, Rosemary Howe, Julia Snowball, Graham Handley, Richard F Logan, Sandra Rainbow, Steve Smith, Mary Thomas, Nicholas Counsell, Christian von Wagner
BACKGROUND: Uptake of colorectal cancer screening is low in the English NHS Bowel Cancer Screening Programme (BCSP). Participation in screening is strongly associated with socioeconomic status. The aim of this study was to determine whether a supplementary leaflet providing the 'gist' of guaiac-based Faecal Occult Blood test (gFOBt) screening for colorectal cancer could reduce the socioeconomic status (SES) gradient in uptake in the English NHS BCSP. METHODS: The trial was integrated within routine BCSP operations in November 2012...
August 14, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28806945/tumor-microenvironment-conditions-alter-akt-and-na-h-exchanger-nhe1-expression-in-endothelial-cells-more-than-hypoxia-alone-implications-for-endothelial-cell-function-in-cancer
#9
A K Pedersen, J Mendes Lopes de Melo, N Mørup, K Tritsaris, S F Pedersen
BACKGROUND: Chronic angiogenesis is a hallmark of most tumors and takes place in a hostile tumor microenvironment (TME) characterized by hypoxia, low nutrient and glucose levels, elevated lactate and low pH. Despite this, most studies addressing angiogenic signaling use hypoxia as a proxy for tumor conditions. Here, we compared the effects of hypoxia and TME conditions on regulation of the Na(+)/H(+) exchanger NHE1, Ser/Thr kinases Akt1-3, and downstream effectors in endothelial cells...
August 14, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28806937/prognostic-value-of-pretreatment-serum-alanine-aminotransferase-aspartate-aminotransferase-alt-ast-ratio-and-gamma-glutamyltransferase-ggt-in-patients-with-esophageal-squamous-cell-carcinoma
#10
Hao Huang, Xue-Ping Wang, Xiao-Hui Li, Hao Chen, Xin Zheng, Jian-Hua Lin, Ting Kang, Lin Zhang, Pei-Song Chen
BACKGROUND: The levels of liver function tests (LFTs) are often used to assess liver injury and non-liver disease-related mortality. In our study, the relationship between pretreatment serum LFTs and overall survival (OS) was evaluated in esophageal squamous cell carcinoma (ESCC) patients. METHODS: Our purpose was to investigate the prognostic value of the preoperative alanine aminotransferase/aspartate aminotransferase (ALT/AST) ratio and gamma glutamyltransferase (GGT) in ESCC patients...
August 14, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28800749/palliative-external-beam-radiotherapy-for-the-treatment-of-tumor-bleeding-in-inoperable-advanced-gastric-cancer
#11
Yun Hee Lee, Jeong Won Lee, Hong Seok Jang
BACKGROUND: To assess the outcomes and prognostic factors associated with palliative external beam radiotherapy (EBRT), administered to patients with advanced gastric cancer. METHODS: Forty-two patients with bleeding gastric tumors that received EBRT for palliation were analyzed. The response to EBRT was assessed by the palliation of tumor bleeding. Patients were classified as either responders, or non-responders to EBRT. The prognostic utility of clinical and dosimetric variables was examined in a multivariate logistic regression model...
August 12, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28800752/a-type-i-combi-targeting-approach-for-the-design-of-molecules-with-enhanced-potency-against-brca1-2-mutant-and-o6-methylguanine-dna-methyltransferase-mgmt-expressing-tumour-cells
#12
Zhor Senhaji Mouhri, Elliot Goodfellow, Bertrand Jean-Claude
BACKGROUND: Mutations of the DNA repair proteins BRCA1/2 are synthetically lethal with the DNA repair enzyme poly(ADP-ribose) polymerase (PARP), which when inhibited, leads to cell death due to the absence of compensatory DNA repair mechanism. The potency of PARP inhibitors has now been clinically proven. However, disappointingly, acquired resistance mediated by the reactivation of wild type BRCA1/2 has been reported. In order to improve their efficacy, trials are ongoing to explore their combinations with temozolomide (TMZ)...
August 11, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28800750/angiopoietin-1-deficiency-increases-tumor-metastasis-in-mice
#13
Iacovos P Michael, Martina Orebrand, Marta Lima, Beatriz Pereira, Olga Volpert, Susan E Quaggin, Marie Jeansson
BACKGROUND: Angipoietin-1 activation of the tyrosine kinase receptor Tek expressed mainly on endothelial cells leads to survival and stabilization of endothelial cells. Studies have shown that Angiopoietin-1 counteracts permeability induced by a number of stimuli. Here, we test the hypothesis that loss of Angiopoietin-1/Tek signaling in the vasculature would increase metastasis. METHODS: Angiopoietin-1 was deleted in mice just before birth using floxed Angiopoietin-1 and Tek mice crossed to doxycycline-inducible bitransgenic ROSA-rtTA/tetO-Cre mice...
August 11, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28806950/precision-medicine-approaches-to-lung-adenocarcinoma-with-concomitant-met-and-her2-amplification
#14
Doo-Yi Oh, Kyungsoo Jung, Ji-Young Song, Seokhwi Kim, Sang Shin, Yong-Jun Kwon, Ensel Oh, Woong-Yang Park, Sang Yong Song, Yoon-La Choi
BACKGROUND: Patient-derived xenograft (PDX) models are important tools in precision medicine and for the development of targeted therapies to treat cancer patients. This study aimed to evaluate our precision medicine strategy that integrates genomic profiling and preclinical drug-screening platforms, in order to personalize cancer treatments using PDX models. METHODS: We performed array-comparative genomic hybridization, microarray, and targeted next-generation sequencing analyses, in order to determine the oncogenic driver mutations...
August 10, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28797244/a-lowered-26s-proteasome-activity-correlates-with-mantle-lymphoma-cell-lines-resistance-to-genotoxic-stress
#15
Khaoula Ben Younes, Simon Body, Élodie Costé, Pierre-Julien Viailly, Hadjer Miloudi, Clémence Coudre, Fabrice Jardin, Fatma Ben Aissa-Fennira, Brigitte Sola
BACKGROUND: Mantle cell lymphoma (MCL) is a B-cell hemopathy characterized by the t(11;14) translocation and the aberrant overexpression of cyclin D1. This results in an unrestrained cell proliferation. Other genetic alterations are common in MCL cells such as SOX11 expression, mutations of ATM and/or TP53 genes, activation of the NF-κB signaling pathway and NOTCH receptors. These alterations lead to the deregulation of the apoptotic machinery and resistance to drugs. We observed that among a panel of MCL cell lines, REC1 cells were resistant towards genotoxic stress...
August 10, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28797232/prognostic-significance-of-braf-and-nras-mutations-in-melanoma-a-german-study-from-routine-care
#16
Markus V Heppt, Timo Siepmann, Jutta Engel, Gabriele Schubert-Fritschle, Renate Eckel, Laura Mirlach, Thomas Kirchner, Andreas Jung, Anja Gesierich, Thomas Ruzicka, Michael J Flaig, Carola Berking
BACKGROUND: Hotspot mutations of the oncogenes BRAF and NRAS are the most common genetic alterations in cutaneous melanoma. Specific inhibitors of BRAF and MEK have shown significant survival benefits in large phase III trials. However, the prognostic significance of BRAF and NRAS mutations outside of clinical trials remains unclear. METHODS: The mutational status of BRAF (exon 15) and NRAS (exon 2 and 3) was determined in melanoma samples of 217 patients with pyrosequencing and Sanger sequencing...
August 10, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28797228/oncological-outcomes-in-an-australian-cohort-according-to-the-new-prostate-cancer-grading-groupings
#17
K R Beckmann, A D Vincent, M E O'Callaghan, P Cohen, S Chang, M Borg, S M Evans, D M Roder, K L Moretti
BACKGROUND: A new 5-tiered grading grouping system has recently been endorsed for reporting of prostate cancer (PCa) grade to better reflect escalating risk of progression and cancer death. While several validations of the new grade groupings have been undertaken, most have involved centralised pathological review by specialist urological pathologists. METHODS: Participants included 4268 men with non-metastatic PCa diagnosed between 2006 and 2013 from the multi-institutional South Australia Prostate Cancer Clinical Outcomes Collaborative registry...
August 10, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28793875/an-analysis-of-97-previously-diagnosed-de-novo-adult-acute-erythroid-leukemia-patients-following-the-2016-revision-to-world-health-organization-classification
#18
Shaowei Qiu, Erlie Jiang, Hui Wei, Dong Lin, Guangji Zhang, Shuning Wei, Chunlin Zhou, Kaiqi Liu, Ying Wang, Bingcheng Liu, Yuntao Liu, Benfa Gong, Xiaoyuan Gong, Sizhou Feng, Yingchang Mi, Mingzhe Han, Jianxiang Wang
BACKGROUND: The incidence of acute erythroid leukemia subtype (AEL) is rare, accounting for 5% of cases of acute myeloid leukemia (AML), and the outcome is dismal. However, in 2016 revision to the WHO classification, the subcategory of AEL has been removed. Myeloblasts are redefined as the percentage of total marrow cells, not non-erythroid cells. Therefore, the previously diagnosed AEL cases are currently diagnosed as AML or myelodyspalstic syndrome (MDS) according to new criteria. METHODS: We respectively reviewed cases of 97 de novo previously diagnosed AEL and all the patients were diagnosed as AML or MDS according to the new classification scheme, and then the clinical characteristics of these two subtypes were compared...
August 9, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28793874/picropodophyllin-ppp-is-a-potent-rhabdomyosarcoma-growth-inhibitor-both-in-vitro-and-in-vivo
#19
Maciej Tarnowski, Marta Tkacz, Katarzyna Zgutka, Joanna Bujak, Patrycja Kopytko, Andrzej Pawlik
BACKGROUND: Insulin-like growth factors and insulin are important factors promoting cancer growth and metastasis. The molecules act through IGF1 (IGF1R) and insulin (InsR) receptors. Rhambodmyosarcomas (RMS) overproduce IGF2 - a potent ligand for IGF1R and, at the same time, highly express IGF1 receptor. The purpose of the study was to evaluate possible application of picropodophyllin (PPP) - a potent IGF1R inhibitor. METHODS: In our study we used a number of in vitro assays showing influence of IGF1R blockage on RMS cell lines (both ARMS and ERMS) proliferation, migration, adhesion, cell cycling and signal transduction pathways...
August 9, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28793867/the-effect-of-nullomer-derived-peptides-9r-9s1r-and-124r-on-the-nci-60-panel-and-normal-cell-lines
#20
Abdelkrim Alileche, Greg Hampikian
BACKGROUND: Nullomer peptides are the smallest sequences absent from databases of natural proteins. We first began compiling a list of absent 5-amino acid strings in 2006 (1). We report here the effects of Nullomer-derived peptides 9R, 9S1R and 124R on the NCI-60 panel, derived from human cancers of 9 organs (kidney, ovary, skin melanoma, lung, brain, lung, colon, prostate and the hematopoietic system), and four normal cell lines (endothelial HUVEC, skin fibroblasts BJ, colon epithelial FHC and normal prostate RWPE-1)...
August 9, 2017: BMC Cancer
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