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https://www.readbyqxmd.com/read/29793177/long-noncoding-rna-gas5-suppresses-triple-negative-breast-cancer-progression-through-inhibition-of-proliferation-and-invasion-by-competitively-binding-mir-196a-5p
#1
Shuqin Li, Jun Zhou, Zhaoxin Wang, Peishun Wang, Xitao Gao, Yan Wang
Triple-negative breast cancer (TNBC) is considered to be the most aggressive and lethal type of breast cancer. Many studies have suggested that the dysfunction of long noncoding RNAs (lncRNAs) is correlated with breast cancer metastasis and progression. Here, we show that levels of the lncRNA, growth arrest-specific transcript 5 (GAS5), are decreased in TNBC tissues, and this down-regulation of GAS5 is associated with an aggressive tumor phenotype in patients, affecting clinical stage, lymph node metastasis and overall survival...
May 21, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29792852/is-there-a-survival-advantage-in-diagnosing-endometrial-cancer-in-asymptomatic-postmenopausal-patients-an-israeli-gynecology-oncology-group-study
#2
Ofer Gemer, Yakir Segev, Limor Helpman, Nasreen Hag-Yahia, Ram Eitan, Oded Raban, Zvi Vaknin, Sophia Leytes, Alon Ben Arie, Amnon Amit, Tally Levy, Ahmed Namazov, Michael Volodarsky, Inbar Ben Shachar, Ilan Atlas, Ilan Bruchim, Ofer Lavie
BACKGROUND: Incidental ultrasonographic findings in asymptomatic postmenopausal women, such as thickened endometrium or polyps, often lead to invasive procedures and to the occasional diagnosis of endometrial cancer. Data supporting a survival advantage of endometrial cancer diagnosed prior to the onset of postmenopausal bleeding (PMB) are lacking. OBJECTIVE: To compare the survival of endometrial cancer patients diagnosed in asymptomatic and bleeding post-menopausal patients...
May 21, 2018: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/29792754/loss-of-chromosome-18q11-2-q12-1-is-predictive-for-survival-in-patients-with-metastatic-colorectal-cancer-treated-with-bevacizumab
#3
Erik van Dijk, Hedde D Biesma, Martijn Cordes, Dominiek Smeets, Maarten Neerincx, Sudipto Das, Paul P Eijk, Verena Murphy, Anna Barat, Orna Bacon, Jochen H M Prehn, Johannes Betge, Timo Gaiser, Bozena Fender, Gerrit A Meijer, Deborah A McNamara, Rut Klinger, Miriam Koopman, Matthias P A Ebert, Elaine W Kay, Bryan T Hennessey, Henk M W Verheul, William M Gallagher, Darran P O'Connor, Cornelis J A Punt, Fotios Loupakis, Diether Lambrechts, Annette T Byrne, Nicole C T van Grieken, Bauke Ylstra
Purpose Patients with metastatic colorectal cancer (mCRC) have limited benefit from the addition of bevacizumab to standard chemotherapy. However, a subset probably benefits substantially, highlighting an unmet clinical need for a biomarker of response to bevacizumab. Previously, we demonstrated that losses of chromosomes 5q34, 17q12, and 18q11.2-q12.1 had a significant correlation with progression-free survival (PFS) in patients with mCRC treated with bevacizumab in the CAIRO2 clinical trial but not in patients who did not receive bevacizumab in the CAIRO trial...
May 24, 2018: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/29792298/nanobody-antigen-conjugates-elicit-hpv-specific-anti-tumor-immune-responses
#4
Andrew W Woodham, Ross W Cheloha, Jingjing Ling, Mohammad Rashidian, Stephen C Kolifrath, Maia Mesyngier, Joao N Duarte, Justin M Bader, Joseph G Skeate, Diane M Da Silva, W Martin Kast, Hidde L Ploegh
High-risk human papillomavirus-associated cancers express viral oncoproteins (e.g., E6 and E7) that induce and maintain the malignant phenotype. The viral origin of these proteins makes them attractive targets for development of a therapeutic vaccine. Camelid-derived single-domain antibody fragments (nanobodies or VHHs) that recognize cell surface proteins on antigen-presenting cells (APCs) can serve as targeted delivery vehicles for antigens attached to them. Such VHHs were shown to induce CD4+ and CD8+ T-cell responses against model antigens conjugated to them via sortase, but antitumor responses had not yet been investigated...
May 23, 2018: Cancer Immunology Research
https://www.readbyqxmd.com/read/29791936/is-right-sleeve-lower-lobectomy-necessary-is-it-safe
#5
Celalettin Ibrahim Kocaturk, Ozkan Saydam, Celal Bugra Sezen, Cem Emrah Kalafat, Levent Cansever, Ali Cevat Kutluk, Hasan Akin, Muzaffer Metin
OBJECTIVES:  The right sleeve lower lobectomy is the least used of the bronchial sleeve operations. There are only case-based studies in the literature. In this study, we compared this technique to those used in patients who underwent a right lower bilobectomy. METHODS:  We retrospectively reviewed the data of patients who had been operated on due to non-small cell lung cancer (NSCLC) from January 2005 to December 2015 from a dataset that was formed prospectively...
May 23, 2018: Thoracic and Cardiovascular Surgeon
https://www.readbyqxmd.com/read/29791913/lymphadenectomy-and-adjuvant-therapy-improve-survival-with-uterine-carcinosarcoma-a-large-retrospective-cohort-study
#6
Marco A C Versluis, Cindy Pielsticker, Maaike A van der Aa, Marco de Bruyn, Harry Hollema, Hans W Nijman
OBJECTIVE: Uterine carcinosarcoma is a rare, aggressive subtype of endometrial cancer. Treatment consists of hysterectomy, bilateral salpingo-oophorectomy, and lymphadenectomy (LND). The survival benefit of LND in relation to adjuvant radio- and/or chemotherapy is unclear. We evaluated the impact of LND on survival in relation to adjuvant therapy in uterine carcinosarcoma. METHODS: Retrospective data on 1,140 cases were combined from the Netherlands Cancer Registry (NCR) and the nationwide network and registry of histo- and cytopathology in the Netherlands (PALGA)...
May 23, 2018: Oncology
https://www.readbyqxmd.com/read/29791891/transanal-endoscopic-microsurgery-with-or-without-completion-total-mesorectal-excision-for-t2-and-t3-rectal-carcinoma
#7
Jeroen W A Leijtens, Thomas W A Koedam, Wernard A A Borstlap, Monique Maas, Pascal G Doornebosch, Tom M Karsten, Eric J Derksen, Laurents P S Stassen, Camiel Rosman, Eelco J R de Graaf, André J A Bremers, Jeroen Heemskerk, Geerard L Beets, Jurriaan B Tuynman, Kevin L J Rademakers
AIM: Transanal endoscopic microsurgery (TEM) is used for the resection of large rectal adenomas and well or moderately differentiated T1 carcinomas. Due to difficulty in preoperative staging, final pathology may reveal a carcinoma not suitable for TEM. Although completion total mesorectal excision is considered standard of care in T2 or more invasive carcinomas, this completion surgery is not always performed. The purpose of this article is to evaluate the outcome of patients after TEM-only, when completion surgery would be indicated...
May 23, 2018: Digestive Surgery
https://www.readbyqxmd.com/read/29791870/myc-induced-metabolic-stress-and-tumorigenesis
#8
REVIEW
Adam J Wolpaw, Chi V Dang
The MYC oncogene is commonly altered across human cancers. Distinct from the normal MYC proto-oncogene, which is under tight transcriptional, translational, and post-translational control, deregulated oncogenic MYC drives imbalanced, non-linear amplification of transcription that results in oncogenic 'stress.' The term 'stress' had been a euphemism for our lack of mechanistic understanding, but synthesis of many studies over the past decade provides a more coherent picture of oncogenic MYC driving metastable cellular states, particularly altered metabolism, that activate and depend on cellular stress response pathways to allow for continued growth and survival...
May 20, 2018: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/29791862/hormone-dependent-breast-cancer-targeting-autophagy-and-pi3k-overcomes-exemestane-acquired-resistance
#9
Cristina Amaral, Tiago Vieira Augusto, Elisiário Tavares-da-Silva, Fernanda M F Roleira, Georgina Correia-da-Silva, Natércia Teixeira
The leading cause of cancer death in women around the world is breast cancer. The aromatase inhibitors (AIs) are considered a first-line treatment for estrogen receptor-positive (ER+ ) breast tumors, in postmenopausal women. Exemestane (Exe) is a powerful steroidal AI, however, despite its therapeutic success, Exe-acquired resistance may occur leading to tumor relapse. Our group previously demonstrated that autophagy acts as a pro-survival process in Exe-induced cell death of ER+ sensitive breast cancer cells...
May 20, 2018: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/29791705/is-there-a-role-for-vats-sleeve-lobectomy-in-lung-cancer
#10
Natalie N Merchant, Robert McKenna, Osita Onugha
Lung cancer is the second most commonly diagnosed cancer and continues to be the leading cause of death for both men and women, with non-small cell lung cancer (NSCLC) accounting for 85% of all lung cancer cases. Once a lung mass is visualized on imaging, accurate staging is required for determination of treatment options and, when possible, surgical resection is recommended as it has been proven to have the best survival rates versus non-surgical treatment. If a patient has advanced or metastatic disease, therapeutic options include chemotherapy and radiation, while immunotherapy and specific agents that target tumor mutations are only recommended for appropriate candidates...
June 1, 2018: Surgical Technology International
https://www.readbyqxmd.com/read/29791503/-18f-fdg-and-18f-flt-pet-for-the-evaluation-of-response-to-neo-adjuvant-chemotherapy-in-a-model-of-triple-negative-breast-cancer
#11
Isabella Raccagni, Sara Belloli, Silvia Valtorta, Alessandro Stefano, Luca Presotto, Claudio Pascali, Anna Bogni, Monica Tortoreto, Nadia Zaffaroni, Maria Grazia Daidone, Giorgio Russo, Emilio Bombardieri, Rosa Maria Moresco
RATIONALE: Pathological response to neo-adjuvant chemotherapy (NAC) represents a commonly used predictor of survival in triple negative breast cancer (TNBC) and the need to identify markers that predict response to NAC is constantly increasing. Aim of this study was to evaluate the potential usefulness of PET imaging with [18F]FDG and [18F]FLT for the discrimination of TNBC responders to Paclitaxel (PTX) therapy compared to the response assessed by an adapted Response Evaluation Criteria In Solid Tumors (RECIST) criteria based on tumor volume (Tumor Volume Response)...
2018: PloS One
https://www.readbyqxmd.com/read/29791475/ten-year-experience-with-ophthalmic-artery-chemosurgery-ocular-and-recurrence-free-survival
#12
Jasmine H Francis, Ariana M Levin, Emily C Zabor, Y Pierre Gobin, David H Abramson
PURPOSE: To report associations between disease- and treatment-related variables and rates of recurrence-free survival and ocular survival in eyes treated with ophthalmic artery chemosurgery (OAC) for retinoblastoma. DESIGN: Pre-post study. SUBJECTS: All eyes treated with OAC for retinoblastoma at Memorial Sloan Kettering Cancer Center between May 2006 and February 2017. METHODS: This retrospective review included 452 retinoblastoma eyes treated with OAC...
2018: PloS One
https://www.readbyqxmd.com/read/29791416/oncological-outcomes-in-extended-time-intervals-betweenpreoperative-chemoradiotherapy-with-capecitabine-and-surgery-inoperable-rectal-adenocarcinoma
#13
Miguel A Muñoz, Manuel G Palacios, Jenny Malca, Raúl Mantilla, Paola C Montenegro, Ivan Chavez
OBJECTIVE: To assess whether extended time intervals (8-12, 13-20 and >20 weeks) between the end of neoadjuvant chemoradiotherapy and surgery affect overall survival, disease-free survival. MATERIALS AND METHODS: Retrospective study in 120 patients with rectal adenocarcinoma without evidence of metastasis (T1-4/N0-2/M0) at the time of diagnosis that underwent surgery with curative intent after neoadjuvant chemoradiotherapy with capecitabine and obtained R0 or R1 resection between January 2010 to December 2014 at the National Cancer Institute of Peru...
January 2018: Revista de Gastroenterología del Perú: órgano Oficial de la Sociedad de Gastroenterología del Perú
https://www.readbyqxmd.com/read/29791289/minimally-invasive-lung-cancer-surgery-performed-by-thoracic-surgeons-as-effective-as-thoracotomy
#14
Daniel J Boffa, Andrzej S Kosinski, Anthony P Furnary, Sunghee Kim, Mark W Onaitis, Betty C Tong, Patricia A Cowper, Jessica R Hoag, Jeffrey P Jacobs, Cameron D Wright, Joe B Putnam, Felix G Fernandez
Purpose The prevalence of minimally invasive lung cancer surgery using video-assisted thoracic surgery (VATS) has increased dramatically over the past decade, yet recent studies have suggested that the lymph node evaluation during VATS lobectomy is inadequate. We hypothesized that the minimally invasive approach to lobectomy for stage I lung cancer resulted in a longitudinal outcome that was not inferior to thoracotomy. Patients and Methods Patients > 65 years of age who had undergone lobectomy for stage I lung cancer between 2002 and 2013 were analyzed within the Society of Thoracic Surgeons General Thoracic Surgery Database, which had been linked to Medicare data, as part of a retrospective-cohort, noninferiority study...
May 23, 2018: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/29791287/brca1-2-mutations-and-bevacizumab-in-the-neoadjuvant-treatment-of-breast-cancer-response-and-prognosis-results-in-patients-with-triple-negative-breast-cancer-from-the-geparquinto-study
#15
Peter A Fasching, Sibylle Loibl, Chunling Hu, Steven N Hart, Hermela Shimelis, Raymond Moore, Christian Schem, Hans Tesch, Michael Untch, Jörn Hilfrich, Mahdi Rezai, Bernd Gerber, Serban Dan Costa, Jens-Uwe Blohmer, Tanja Fehm, Jens Huober, Cornelia Liedtke, Richard M Weinshilboum, Liewei Wang, James N Ingle, Volkmar Müller, Valentina Nekljudova, Karsten E Weber, Brigitte Rack, Matthias Rübner, Gunter von Minckwitz, Fergus J Couch
Purpose BRCA1/2 mutations are frequent in patients with triple-negative breast cancer (TNBC). These patients are often treated with primary systemic chemotherapy. The aim of this study was to analyze the effects of BRCA1/2 mutations on pathologic complete response (pCR) and disease-free survival (DFS) in a cohort of patients with TNBC treated with anthracycline and taxane-containing chemotherapy, with or without bevacizumab. Patients and Methods Germline DNA was sequenced to identify mutations in BRCA1 and BRCA2 in 493 patients with TNBC from the GeparQuinto study...
May 23, 2018: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/29791232/the-role-of-interleukin-31-polymorphisms-in-non-small-cell-lung-cancer-genetic-susceptibility-and-clinical-outcome
#16
Yongfeng Yang, Li Li, Fei Chen, Li Zhang, Hong Bu
BACKGROUND: Interleukin-31 (IL-31), a novel T helper type 2 effector cytokine, is known to have an important effect on the pathogenesis of allergic disease and tumors. However, the impact of IL-31 on human lung cancer remains unclear. METHODS: This study explored the role of IL-31 polymorphisms in lung cancer and sought to characterize how IL-31 polymorphisms correlate with lung cancer tumorigenesis and patient survival rates. Using a single-nucleotide polymorphism genotype assay, we examined the expression of two IL-31 polymorphisms (rs7977932 and rs4758680) in samples from 302 lung cancer patients and 493 control cases...
May 2018: Genetic Testing and Molecular Biomarkers
https://www.readbyqxmd.com/read/29791078/molecular-subtype-classification-of-urothelial-carcinoma-in-lynch-syndrome
#17
Christina Therkildsen, Pontus Eriksson, Mattias Höglund, Mats Jönsson, Gottfrid Sjödahl, Mef Nilbert, Fredrik Liedberg
Lynch syndrome confers an increased risk for urothelial carcinoma (UC). Molecular subtypes may be relevant to prognosis and therapeutic possibilities, but have to date not been defined in Lynch syndrome-associated urothelial cancer. We aimed to provide a molecular description of Lynch syndrome-associated UC. Thus, Lynch syndrome-associated UC of the upper urinary tract and the urinary bladder were identified in the Danish hereditary non-polyposis colorectal cancer (HNPCC) register and were transcriptionally and immunohistochemically profiled and further related to data from 307 sporadic urothelial carcinomas...
May 23, 2018: Molecular Oncology
https://www.readbyqxmd.com/read/29791066/application-of-denaturing-capillary-electrophoresis-for-the-detection-of-prognostic-mutations-in-isocitrate-dehydrogenase-1-and-isocitrate-dehydrogenase-2-genes-in-brain-tumors
#18
Lucie Benesova, Barbora Belsanova, Filip Kramar, Tereza Halkova, Vladimir Benes, Marek Minarik
Malignant transformation in gliomas is frequently supplemented by somatic mutations in isocitrate dehydrogenase 1 and isocitrate dehydrogenase 2 genes. It has recently emerged that mutations in these genes are associated with prolonged survival and should be used as prognostic factor in management of brain cancer patients. There are several approaches in use for the detection of isocitrate dehydrogenase 1 and 2 mutations, however, these often exhibit shortcomings such as convoluted protocols with long processing time, complex (and costly) dedicated fluorescent probes and/or high demand on amounts of input DNA...
May 23, 2018: Journal of Separation Science
https://www.readbyqxmd.com/read/29790976/cancer-dissemination-hydrocephalus-and-survival-after-cerebral-ventricular-entry-during-high-grade-glioma-surgery-a-meta-analysis
#19
Akshitkumar M Mistry, Patrick D Kelly, Reid C Thompson, Lola B Chambless
BACKGROUND: The consequences of ventricular entry during resection of high-grade gliomas (HGG) are uncertain and often not detectable clinically. OBJECTIVE: To reveal odds of tumor dissemination, hydrocephalus, and mortality in adult patients who had ventricular entry during surgical resection of HGG. METHODS: Titles and abstracts of published journals in the NCBI/NLM PubMed and OVID EMBASE databases were searched without language restriction and systematically screened...
May 22, 2018: Neurosurgery
https://www.readbyqxmd.com/read/29790920/elucidating-the-role-of-the-maternal-embryonic-leucine-zipper-kinase-melk-in-adrenocortical-carcinoma
#20
Katja Kiseljak-Vassiliades, Yu Zhang, Adwitiya Kar, Raud Razzaghi, Mei Xu, Katherine Gowan, Christopher D Raeburn, Maria Albuja-Cruz, Kenneth L Jones, Hilary Somerset, Lauren Fishbein, Stephen Leong, Margaret E Wierman
Adrenocortical carcinoma (ACC) is an aggressive cancer with a five-year survival less than 35%. Mortality remains high due to lack of targeted therapies. Using bioinformatic analyses, we identified Maternal Embryonic Leucine Zipper Kinase (MELK) as 4.1-fold overexpressed in ACC compared to normal adrenal samples. High MELK expression in human tumors correlated with shorter survival and with increased expression of genes involved in cell division and growth. We investigated the functional effects of MELK inhibition using newly developed ACC cell lines with variable MELK expression, CU-ACC1 and CU-ACC2, compared with H295R cells...
May 21, 2018: Endocrinology
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