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BMC Cancer

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https://www.readbyqxmd.com/read/28327132/simultaneous-analysis-of-mirna-mrna-in-human-meningiomas-by-integrating-transcriptome-a-relationship-between-ptx3-and-mir-29c
#1
Altay Burak Dalan, Sukru Gulluoglu, Emre Can Tuysuz, Aysegul Kuskucu, Cumhur Kaan Yaltirik, Oguz Ozturk, Ugur Ture, Omer Faruk Bayrak
BACKGROUND: Although meningioma is a common disease, there is a lack of understanding of the underlying molecular mechanisms behind its initiation and progression. We used combined miRNA-mRNA transcriptome analysis to discover dysregulated genes and networks in meningiomas. METHODS: Fourteen fresh-frozen meningioma samples and one human meningeal cell line were analyzed by using miRNA and whole transcriptome microarray chips. Data was filtered and analyzed. Candidate miRNAs and mRNAs were selected for validation in fifty-eight patient samples...
March 21, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28327103/morphological-and-phenotypical-features-of-ovarian-metastases-in-breast-cancer-patients
#2
Inge T A Peters, Merle A van der Steen, Bertine W Huisman, Carina G J M Hilders, Vincent T H B M Smit, Alexander L Vahrmeijer, Cornelis F M Sier, J Baptist Trimbos, Peter J K Kuppen
BACKGROUND: Autotransplantation of frozen-thawed ovarian tissue is a method to preserve ovarian function and fertility in patients undergoing gonadotoxic therapy. In oncology patients, the safety cannot yet be guaranteed, since current tumor detection methods can only exclude the presence of malignant cells in ovarian fragments that are not transplanted. We determined the need for a novel detection method by studying the distribution of tumor cells in ovaries from patients with breast cancer...
March 21, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28327101/erratum-to-delta-like-4-notch-signaling-promotes-apc-min-tumor-initiation-through-angiogenic-and-non-angiogenic-related-mechanisms
#3
Marina Badenes, Alexandre Trindade, Hugo Pissarra, Luís Lopes-da-Costa, António Duarte
No abstract text is available yet for this article.
March 21, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28327090/investigating-young-women-s-motivations-to-engage-in-early-mammography-screening-in-switzerland-results-of-a-cross-sectional-study
#4
Nanon H M Labrie, Ramona Ludolph, Peter J Schulz
BACKGROUND: The scientific and public debate concerning organized mammography screening is unprecedentedly strong. With research evidence concerning its efficacy being ambiguous, the recommendations pertaining to the age-thresholds for program inclusion vary between - and even within - countries. Data shows that young women who are not yet eligible for systematic screening, have opportunistic mammograms relatively often and, moreover, want to be included in organized programs. Yet, to date, little is known about the precise motivations underlying young women's desire and intentions to go for, not medically indicated, mammographic screening...
March 21, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28327089/uniform-fdg-pet-guided-gradient-dose-prescription-to-reduce-late-radiation-toxicity-upgrade-rt-study-protocol-for-a-randomized-clinical-trial-with-dose-reduction-to-the-elective-neck-in-head-and-neck-squamous-cell-carcinoma
#5
Sven van den Bosch, Tim Dijkema, Martina C Kunze-Busch, Chris H J Terhaard, Cornelis P J Raaijmakers, Patricia A H Doornaert, Frank J P Hoebers, Marije R Vergeer, Bas Kreike, Oda B Wijers, Wim J G Oyen, Johannes H A M Kaanders
BACKGROUND: In definitive radiation therapy for head and neck cancer, clinically uninvolved cervical lymph nodes are irradiated with a so-called 'elective dose' in order to achieve control of clinically occult metastases. As a consequence of high-resolution diagnostic imaging, occult tumor volume has significantly decreased in the last decades. Since the elective dose is dependent on occult tumor volume, the currently used elective dose may be higher than necessary. Because bilateral irradiation of the neck contributes to dysphagia, xerostomia and hypothyroidism in a dose dependent way, dose de-escalation to these regions can open a window of opportunity to reduce toxicity and improve quality of life after treatment...
March 21, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28320338/the-allosteric-akt-inhibitor-mk2206-shows-a-synergistic-interaction-with-chemotherapy-and-radiotherapy-in-glioblastoma-spheroid-cultures
#6
Ravi S Narayan, Carlos A Fedrigo, Eelke Brands, Rogier Dik, Lukas J A Stalpers, Brigitta G Baumert, Ben J Slotman, Bart A Westerman, Godefridus J Peters, Peter Sminia
BACKGROUND: Glioblastoma multiforme (GBM) is the most common, invasive and deadly primary type of malignant brain tumor. The Phosphatidylinositol-3-Kinase/AKT (PI3K/AKT) pathway is highly active in GBM and has been associated with increased survival and resistance to therapy. The aim of this study is to investigate the effects of AKT inhibition in combination with the current standard of care which consists of irradiation and temozolomide (TMZ) on human malignant glioma cells growing adherent and as multicellular spheroids in vitro...
March 21, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28320353/genome-independent-hypoxic-repression-of-estrogen-receptor-alpha-in-breast-cancer-cells
#7
Mercè Padró, Raymond J Louie, Brian V Lananna, Adam J Krieg, Luika A Timmerman, Denise A Chan
BACKGROUND: About 75-80% of breast tumors express the estrogen receptor alpha (ER-α) and are treated with endocrine-target therapeutics, making this the premier therapeutic modality in the breast cancer clinic. However, acquired resistance is common and about 20% of resistant tumors loose ER-α expression via unknown mechanisms. Inhibition of ER-α loss could improve endocrine therapeutic efficacy, benefiting a significant number of patients. Here we test whether tumor hypoxia might commonly produce ER-α loss...
March 20, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28302118/ybx1-gene-silencing-inhibits-migratory-and-invasive-potential-via-coro1c-in-breast-cancer-in-vitro
#8
Jia Pei Lim, Sukanya Shyamasundar, Jayantha Gunaratne, Olivia Jane Scully, Ken Matsumoto, Boon Huat Bay
BACKGROUND: Y-box binding protein-1 is an evolutionary conserved transcription and translation regulating protein that is overexpressed in various human malignancies, including breast cancer. Despite reports of YB-1 and its association with distant spread of breast cancer, the intrinsic mechanism underlying this observation remains elusive. This study investigates the role of YB-1 in mediating metastasis in highly invasive breast cancer cell lines. METHODS: Silencing the YBX1 gene (which encodes the YB-1 protein) by small interfering RNA (siRNA) was performed in MDA-MB-231 and Hs578T breast cancer cell lines, followed by phenotypic assays including cell migration and invasion assays...
March 16, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28302100/aprepitant-for-refractory-cutaneous-t-cell-lymphoma-associated-pruritus-4-cases-and-a-review-of-the-literature
#9
Johanna S Song, Marianne Tawa, Nicole G Chau, Thomas S Kupper, Nicole R LeBoeuf
BACKGROUND: Aprepitant is an FDA-approved medication for chemotherapy-induced nausea and vomiting. It blocks substance P binding to neurokinin-1; substance P has been implicated in itch pathways both as a local and global mediator. CASE PRESENTATIONS: We report a series of four patients, diagnosed with cutaneous T-cell lymphoma, who experienced full body pruritus recalcitrant to standard therapies. All patients experienced rapid symptom improvement (within days) following aprepitant treatment...
March 16, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28302097/objective-response-to-mtor-inhibition-in-a-metastatic-collision-tumor-of-the-liver-composed-of-melanoma-and-adenocarcinoma-with-tsc1-loss-a-case-report
#10
Munveer S Bhangoo, Jenny Y Zhou, Siraj M Ali, Russell Madison, Alexa B Schrock, Carrie Costantini
BACKGROUND: Collision tumors are uncommon but well described clinical entities composed of distinct tumor histologies occurring within the same anatomic site. Optimal management of patients with collision tumors remains highly variable and depends on clinical characteristics such as the involved tumor types, predominant histology, as well as the extent of disease. Comprehensive genomic profiling is a means of identifying genomic alterations to suggest benefit from targeted therapy. CASE PRESENTATION: A 78-year-old woman presented to medical oncology with liver metastases occurring within the background of a 1-year history of uveal melanoma...
March 16, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28302092/erratum-to-spectrum-and-frequencies-of-brca1-2-mutations-in-bulgarian-high-risk-breast-cancer-patients
#11
Rumyana Ivanova Dodova, Atanaska Velichkova Mitkova, Daniela Rosenova Dacheva, Lina Basam Hadjo, Alexandrina Ivanova Vlahova, Margarita Stoyanova Taushanova-Hadjieva, Spartak Stoyanov Valev, Marija Mitko Caulevska, Stanislava Dimitrova Popova, Ivan Emilov Popov, Tihomir Iliichev Dikov, Theophil Angelov Sedloev, Atanas Stefanov Ionkov, Konstanta Velinova Timcheva, Svetlana Liubomirova Christova, Ivo Marinov Kremensky, Vanio Ivanov Mitev, Radka Petrova Kaneva
No abstract text is available yet for this article.
March 16, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28302091/development-of-a-test-that-measures-real-time-her2-signaling-function-in-live-breast-cancer-cell-lines-and-primary-cells
#12
Yao Huang, David J Burns, Benjamin E Rich, Ian A MacNeil, Abhijit Dandapat, Sajjad M Soltani, Samantha Myhre, Brian F Sullivan, Carol A Lange, Leo T Furcht, Lance G Laing
BACKGROUND: Approximately 18-20% of all human breast cancers have overexpressed human epidermal growth factor receptor 2 (HER2). Standard clinical practice is to treat only overexpressed HER2 (HER2+) cancers with targeted anti-HER2 therapies. However, recent analyses of clinical trial data have found evidence that HER2-targeted therapies may benefit a sub-group of breast cancer patients with non-overexpressed HER2. This suggests that measurement of other biological factors associated with HER2 cancer, such as HER2 signaling pathway activity, should be considered as an alternative means of identifying patients eligible for HER2 therapies...
March 16, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28302090/characterizing-and-prognosticating-chronic-lymphocytic-leukemia-in-the-elderly-prospective-evaluation-on-455-patients-treated-in-the-united-states
#13
Chadi Nabhan, Anthony Mato, Christopher R Flowers, David L Grinblatt, Nicole Lamanna, Mark A Weiss, Matthew S Davids, Arlene S Swern, Shriya Bhushan, Kristen Sullivan, E Dawn Flick, Pavel Kiselev, Jeff P Sharman
BACKGROUND: Median age at diagnosis of patients with chronic lymphocytic leukemia (CLL) is > 70 years. However, the majority of clinical trials do not reflect the demographics of CLL patients treated in the community. We examined treatment patterns, outcomes, and disease-related mortality in patients ≥ 75 years with CLL (E-CLL) in a real-world setting. METHODS: The Connect® CLL registry is a multicenter, prospective observational cohort study, which enrolled 1494 adult patients between 2010-2014, at 199 US sites...
March 16, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28302086/extracellular-hsp90-and-tgf%C3%AE-regulate-adhesion-migration-and-anchorage-independent-growth-in-a-paired-colon-cancer-cell-line-model
#14
Jo-Anne de la Mare, Tamarin Jurgens, Adrienne L Edkins
BACKGROUND: Tumour metastasis remains the major cause of death in cancer patients and, to date, the mechanism and signalling pathways governing this process are not completely understood. The TGF-β pathway is the most commonly mutated pathway in cancer, however its role in cancer progression is controversial as it can function as both a promoter and a suppressor of metastasis. Although previous studies have suggested a role for the molecular chaperone Hsp90 in regulating the TGF-β pathway, the level at which this occurs as well as the consequences in terms of colon cancer metastasis are unknown...
March 16, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28302083/erratum-to-the-women-s-wellness-after-cancer-program-a-multisite-single-blinded-randomised-controlled-trial-protocol
#15
Debra Anderson, Charrlotte Seib, Dian Tjondronegoro, Jane Turner, Leanne Monterosso, Amanda McGuire, Janine Porter-Steele, Wei Song, Patsy Yates, Neil King, Leonie Young, Kate White, Kathryn Lee, Sonj Hall, Mei Krishnasamy, Kathy Wells, Sarah Balaam, Alexandra L McCarthy
No abstract text is available yet for this article.
March 16, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28298203/methylene-blue-photodynamic-therapy-induces-selective-and-massive-cell-death-in-human-breast-cancer-cells
#16
Ancély F Dos Santos, Letícia F Terra, Rosangela A M Wailemann, Talita C Oliveira, Vinícius de Morais Gomes, Marcela Franco Mineiro, Flávia Carla Meotti, Alexandre Bruni-Cardoso, Maurício S Baptista, Leticia Labriola
BACKGROUND: Breast cancer is the main cause of mortality among women. The disease presents high recurrence mainly due to incomplete efficacy of primary treatment in killing all cancer cells. Photodynamic therapy (PDT), an approach that causes tissue destruction by visible light in the presence of a photosensitizer (Ps) and oxygen, appears as a promising alternative therapy that could be used adjunct to chemotherapy and surgery for curing cancer. However, the efficacy of PDT to treat breast tumours as well as the molecular mechanisms that lead to cell death remain unclear...
March 15, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28298187/icanadapt-early-protocol-randomised-controlled-trial-rct-of-clinician-supervised-transdiagnostic-internet-delivered-cognitive-behaviour-therapy-icbt-for-depression-and-or-anxiety-in-early-stage-cancer-survivors-vs-treatment-as-usual
#17
M J Murphy, J M Newby, P Butow, L Kirsten, K Allison, S Loughnan, M A Price, J Shaw, H Shepherd, J Smith, G Andrews
BACKGROUND: This RCT with two parallel arms will evaluate the efficacy of an internet-delivered transdiagnostic cognitive behavioural therapy (iCBT) intervention for the treatment of clinical depression and/or anxiety in early stage cancer survivors. METHODS/DESIGN: Early stage cancer survivors will be recruited via the research arm of a not-for-profit clinical research unit and randomised to an intervention (iCBT) group or a 'treatment as usual' (TAU) control group...
March 15, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28292269/functional-analysis-of-fatty-acid-binding-protein-7-and-its-effect-on-fatty-acid-of-renal-cell-carcinoma-cell-lines
#18
Naohisa Takaoka, Tatsuya Takayama, Seiichiro Ozono
BACKGROUND: Renal cell carcinomas (RCCs) overexpress fatty acid binding protein 7 (FABP7). We chose to study the TUHR14TKB cell line, because it expresses higher levels of FABP7 than other cell lines derived from renal carcinomas (OS-RC-2, 786-O, 769-P, Caki-1, and ACHN). METHODS: FABP7 expression was detected using western blotting and real-time PCR. Cell proliferation was determined using an MTS assay and by directly by counting cells. The cell cycle was assayed using flow cytometry...
March 14, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28292264/establishment-of-patient-derived-gastric-cancer-xenografts-a-useful-tool-for-preclinical-evaluation-of-targeted-therapies-involving-alterations-in-her-2-met-and-fgfr2-signaling-pathways
#19
Haiyong Wang, Jun Lu, Jian Tang, Shitu Chen, Kuifeng He, Xiaoxia Jiang, Weiqin Jiang, Lisong Teng
BACKGROUND: Targeted therapies are emerging treatment options for gastric cancer (GC). Patient-derived tumor xenograft(PDX) models of GC closely retain the features of the original clinical cancer, offering a powerful tool for preclinical drug efficacy testing. This study aimed to establish PDX GC models, and explore therapeutics targeting Her2, MET(cMet), and FGFR2, which may assist doctor to select the proper target therapy for selected patients. METHODS: GC tissues from 32 patients were collected and implanted into immuno-deficient mice...
March 14, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28288584/adipose-tissue-fibrosis-in-human-cancer-cachexia-the-role-of-tgf%C3%AE-pathway
#20
Michele Joana Alves, Raquel Galvão Figuerêdo, Flavia Figueiredo Azevedo, Diego Alexandre Cavallaro, Nelson Inácio Pinto Neto, Joanna Darck Carola Lima, Emidio Matos-Neto, Katrin Radloff, Daniela Mendes Riccardi, Rodolfo Gonzalez Camargo, Paulo Sérgio Martins De Alcântara, José Pinhata Otoch, Miguel Luiz Batista Junior, Marília Seelaender
BACKGROUND: Cancer cachexia is a multifactorial syndrome that dramatically decreases survival. Loss of white adipose tissue (WAT) is one of the key characteristics of cachexia. WAT wasting is paralleled by microarchitectural remodeling in cachectic cancer patients. Fibrosis results from uncontrolled ECM synthesis, a process in which, transforming growth factor-beta (TGFβ) plays a pivotal role. So far, the mechanisms involved in adipose tissue (AT) re-arrangement, and the role of TGFβ in inducing AT remodeling in weight-losing cancer patients are poorly understood...
March 14, 2017: BMC Cancer
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