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https://www.readbyqxmd.com/read/28731185/snail-maintains-metastatic-potential-cancer-stem-like-properties-and-chemoresistance-in-mesenchymal-mouse-breast-cancer-tubo%C3%A2-p2j-cells
#1
Sun Young Ma, Jin-Hee Park, Hana Jung, Sung-Min Ha, Yeonye Kim, Dong Hyen Park, Deuk Hee Lee, Sooyong Lee, In-Ho Chu, So Young Jung, Il-Hwan Kim, Il-Whan Choi, Chang Soo Choi, Saegwang Park
Snail, a zinc-finger transcriptional repressor of E-cadherin expression, is one of the key inducers of epithelial-mesenchymal transition (EMT) in epithelial cancer. In breast cancer, EMT has been associated with malignancies, including metastasis, cancer stem-like properties, and resistance to chemotherapy and radiotherapy. In this study, we analysed the role of Snail in the highly metastatic mesenchymal TUBO‑P2J mouse breast cancer cells, by loss of function using short hairpin RNA. Though silencing Snail did not restore the E-cadherin expression or induce morphological changes, Snail silencing significantly ablated in vitro and in vivo metastatic potentials...
July 18, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28723625/2-acetylamino-3-4-2-acetylamino-2-carboxyethylsulfanylcarbonylamino-phenyl-carbamoylsulfanyl-propionic-acid-a-glutathione-reductase-inhibitor-induces-g2-m-cell-cycle-arrest-through-generation-of-thiol-oxidative-stress-in-human-esophageal-cancer-cells
#2
Xia Li, Zhiming Jiang, Jianguo Feng, Xiaoying Zhang, Junzhou Wu, Wei Chen
Esophageal squamous cell carcinoma (ESCC) is a highly malignant cancer with poor response to both of chemotherapy and radiotherapy. 2-Acetylamino-3-[4-(2-acetylamino-2-carboxyethylsulfanylcarbonylamino) phenyl carbamoylsulfanyl] propionic acid (2-AAPA), an irreversible inhibitor of glutathione reductase (GR), is able to induce intracellular oxidative stress, and has shown anticancer activity in many cancer cell lines. In this study, we investigated the effects of 2-AAPA on the cell proliferation, cell cycle and apoptosis and aimed to explore its mechanism of action in human esophageal cancer TE-13 cells...
June 27, 2017: Oncotarget
https://www.readbyqxmd.com/read/28720686/oncolytic-virus-induced-cell-death-and-immunity-a-match-made-in-heaven
#3
REVIEW
Jolien De Munck, Alex Binks, Iain A McNeish, Joeri L Aerts
Our understanding of the mechanisms responsible for cancer development has increased enormously over the last decades. However, for many cancers, this has not been translated into a significant improvement in overall survival, and overall mortality remains high. Treatment for many malignancies remains based on surgery, chemotherapy, and radiotherapy. Significant progress has been made toward the development of more specific, more potent, and less invasive treatment modalities, but such targeted therapies remain the exception for most cancers...
July 18, 2017: Journal of Leukocyte Biology
https://www.readbyqxmd.com/read/28720148/multifocal-gastric-adenocarcinoma-in-a-patient-with-lrba-deficiency
#4
Nina Bratanič, Jernej Kovač, Katka Pohar, Katarina Trebušak Podkrajšek, Alojz Ihan, Tadej Battelino, Magdalena Avbelj Stefanija
BACKGROUND: Lipopolysaccharide-responsive, beige-like anchor protein (LRBA) deficiency is characterized by primary immunodeficiency and autoimmunity. Cancer may present another feature of LRBA deficiency. We describe a case history of a young adult with LRBA deficiency and two independent malignancies. METHODS: Family-trio whole exome sequencing with unbiased phenotype ontology approach was used for identification of causative mutations of a primary immune deficiency disorder...
July 18, 2017: Orphanet Journal of Rare Diseases
https://www.readbyqxmd.com/read/28712791/radiotherapy-for-stage-i-and-ii-testicular-seminomas-secondary-malignancies-and-survival
#5
Hiten D Patel, Arnav Srivastava, Ridwan Alam, Gregory A Joice, Zeyad R Schwen, Alice Semerjian, Mohamad E Allaf, Phillip M Pierorazio
INTRODUCTION: Testicular seminoma affects relatively young men with excellent survival outcomes. There has been increasing concern that radiotherapy (RT) leads to secondary malignant neoplasms (SMNs) and subsequent mortality. We evaluated the effect of RT on incidence of SMNs and quantified cancer-related mortality and other causes of death for patients with stage I and II testicular seminoma. MATERIAL AND METHODS: A national sample of men (1988-2013) diagnosed with stage IA/IB/IS/IIA/IIB/IIC testicular seminomas from Surveillance, Epidemiology, and End Results were evaluated...
July 13, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28712717/radiobiological-evaluation-of-prostate-cancer-imrt-and-conformal-rt-plans-using-different-treatment-protocols
#6
Panayiotis Mavroidis, Georgios Komisopoulos, Courtney Buckey, Margarita Mavroeidi, Gregory P Swanson, Dimos Baltas, Nikos Papanikolaou, Sotirios Stathakis
The purpose of this study is to evaluate the clinical efficacy of both step-and-shoot IMRT and 3D-Conformal Radiation Therapy modalities (CRT) in treating prostate cancer using radiobiological measures. Another aim was to estimate the risks for developing secondary malignancies in bladder and rectum due to radiotherapy from the corresponding modalities. The treatment plans of ten prostate cancer patients were developed using IMRT and CRT. For the IMRT plans, two beam energies and two treatment protocols were used (the RTOG 0415 and a most restrictive one proposed by Fox Chase Cancer Center (FCCC))...
July 13, 2017: Physica Medica: PM
https://www.readbyqxmd.com/read/28712283/stereotactic-radiotherapy-of-the-prostate-fractionation-and-utilization-in-the-united-states
#7
Joseph P Weiner, David Schwartz, Meng Shao, Virginia Osborn, Kwang Choi, David Schreiber
PURPOSE: To analyze the utilization and fractionation of extreme hypofractionation via stereotactic body radiotherapy (SBRT) in the treatment of prostate cancer. MATERIALS AND METHODS: Data was analyzed on men diagnosed with localized prostate cancer between 2004-2012 and treated with definitive-intent radiation therapy, as captured in the National Cancer Database. This database is a hospital-based registry that collects an estimated 70% of all diagnosed malignancies in the United States...
June 2017: Radiation Oncology Journal
https://www.readbyqxmd.com/read/28712070/flow-diverter-in-radiation-induced-skull-base-carotid-blowout-syndrome-do-not-write-it-off
#8
Gopinathan Anil, Junwei Zhang, Yew Kwang Ong, Francis Hui
Post-radiotherapy carotid blowout syndrome (CBS) of the skull base is a rare but often catastrophic complication of head and neck malignancies. The existing literature on the treatment of this condition with flow-diverting devices (FDD) is extremely limited and disappointing. We present a case of impending CBS in a patient previously irradiated for nasopharyngeal cancer that was successfully treated with use of multiple FDDs, adjunctive endonasal packing and delayed reinforcement with pedicled naso-septal flap, yielding an excellent outcome at 14-months follow-up...
July 16, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/28711032/influence-of-the-number-and-interval-of-treatment-cycles-on-cytokine-induced-killer-cells-and-their-adjuvant-therapeutic-effects-in-advanced-non-small-cell-lung-cancer-nsclc
#9
Yuanlong Gu, Huimin Lv, Juan Zhao, Qi Li, Guannan Mu, Jiade Li, Jiazi Wuyang, Ge Lou, Ruitao Wang, Yanqiao Zhang, Xiaoyi Huang
OBJECTIVE: Cytokine-induced killer (CIK) cells have important therapeutic effects in adoptive cell transfer (ACT) for the treatment of various malignancies. In this study, we focused on in vitro expansion of CIK cells and their clinical efficacy in combination with chemotherapy in patients with advanced non-small-cell lung cancer (NSCLC). METHODS: A total of 64 patients with NSCLC (enrolled from 2011 to 2012), including 32 patients who received chemotherapy alone or with sequential radiotherapy (conventional treatment, control group) and 32 patients who received conventional treatment and sequential CIK infusion (study group), were retrospectively analyzed...
July 12, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28707679/anaplastic-thyroid-carcinoma-from-clinicopathology-to-genetics-and-advanced-therapies
#10
REVIEW
Eleonora Molinaro, Cristina Romei, Agnese Biagini, Elena Sabini, Laura Agate, Salvatore Mazzeo, Gabriele Materazzi, Stefano Sellari-Franceschini, Alessandro Ribechini, Liborio Torregrossa, Fulvio Basolo, Paolo Vitti, Rossella Elisei
Anaplastic thyroid carcinoma (ATC) is a rare malignancy, accounting for 1-2% of all thyroid cancers. Although rare, ATC accounts for the majority of deaths from thyroid carcinoma. ATC often originates in a pre-existing thyroid cancer lesion, as suggested by the simultaneous presence of areas of differentiated or poorly differentiated thyroid carcinoma. ATC is characterized by the accumulation of several oncogenic alterations, and studies have shown that an increased number of oncogenic alterations equates to an increased level of dedifferentiation and aggressiveness...
July 14, 2017: Nature Reviews. Endocrinology
https://www.readbyqxmd.com/read/28707545/diagnostic-evaluation-of-simulation-ct-images-for-adjuvant-radiotherapy-in-pancreatic-adenocarcinoma
#11
Bohyun Kim, Young Chul Kim, O Kyu Noh, Jaesung Heo, Hyun Woo Lee, Ji Hoon Kim, Jei Hee Lee, Jai Keun Kim, Oyeon Cho, Young-Taek Oh, Mison Chun
OBJECTIVE: The purpose of this study is to review simulation CT scans and evaluate their diagnostic value in patients treated with adjuvant radiation therapy for pancreatic adenocarcinoma. MATERIALS AND METHODS: Seventy-three patients who had undergone simulation CT scans for adjuvant radiation therapy in pancreatic adenocarcinoma were reviewed. All simulation CT scans were reviewed by professional abdominal radiologists, who compared the images with corresponding prior CT scans to identify new lesions...
July 14, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28707199/radiation-induced-inflammatory-cascade-and-its-reverberating-crosstalks-as-potential-cause-of-post-radiotherapy-second-malignancies
#12
REVIEW
Sonia Gandhi, Sudhir Chandna
The disease-free survival following radiotherapy is often limited by the development of second/secondary cancers. This significant impediment to effective cancer treatment implicated even in the modern-day radiotherapy needs to be countered effectively. Critical analysis reveals that besides achieving effective tumor control, radiotherapy elicits certain cellular and systemic inflammatory events in tumor infiltrate, which remain relatively stable and tend to facilitate "in-field" or "out of field" oncogenesis in due course of time...
July 13, 2017: Cancer Metastasis Reviews
https://www.readbyqxmd.com/read/28702337/linear-ebus-guided-fiducial-marker-placement-to-guide-radiotherapy-for-endobronchial-radiographically-occult-synchronous-primary-squamous-cell-carcinoma-of-the-lung
#13
David Maurice Chambers, Gregory John Pfister, Umair Ahmad Gauhar
Radiation therapy has emerged as a useful alternative therapy for patients with early-stage, non-resectable lung cancer. In patients whose malignancies are difficult to localize on computed tomography imaging, such therapy becomes difficult. Fiducial markers are frequently placed in peripheral pulmonary lesions to assist radiation therapy. Although placement of markers under linear endobronchial ultrasonography within mediastinal and hilar lymph nodes has been reported, no strategy has been described to assist radiotherapy of purely endobronchial tumors...
2017: Respiratory Medicine Case Reports
https://www.readbyqxmd.com/read/28698765/reactive-oxygen-species-mediated-mechanisms-of-action-of-targeted-cancer-therapy
#14
REVIEW
Hanna-Riikka Teppo, Ylermi Soini, Peeter Karihtala
Targeted cancer therapies, involving tyrosine kinase inhibitors and monoclonal antibodies, for example, have recently led to substantial prolongation of survival in many metastatic cancers. Compared with traditional chemotherapy and radiotherapy, where reactive oxygen species (ROS) have been directly linked to the mediation of cytotoxic effects and adverse events, the field of oxidative stress regulation is still emerging in targeted cancer therapies. Here, we provide a comprehensive review regarding the current evidence of ROS-mediated effects of antibodies and tyrosine kinase inhibitors, use of which has been indicated in the treatment of solid malignancies and lymphomas...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/28697190/-18-f-fdg-pet-ct-and-histology-for-diagnosing-recurrent-remnant-tumors-in-head-and-neck-cancer-patients-treated-with-radiotherapy
#15
Eun Ji Han, Joo Hyun O, Ie Ryung Yoo, Yeon Sil Kim, Min Sik Kim, Jin Hyoung Kang, Woo Hee Choi
OBJECTIVE: The aim of this study was to assess the diagnostic performance of fluorine-18-fluoro-2-deoxyglucose ((18)F-FDG) positron emission tomography (PET)/computed tomography (CT) for locoregional recurrent/residual tumor in patients with head and neck cancer (HNC) who underwent previous radiotherapy (RT). SUBJECTS AND METHODS: (18)F-FDG PET/CT images from patients with HNC who previously underwent RT were retrospectively reviewed. Only cases with histological confirmation within 4 weeks of PET/CT imaging were included...
July 12, 2017: Hellenic Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/28695521/the-use-of-parp-inhibitors-in-cancer-therapy-use-as-adjuvant-with-chemotherapy-or-radiotherapy-use-as-a-single-agent-in-susceptible-patients-and-techniques-used-to-identify-susceptible-patients
#16
Sydney Shall, Terry Gaymes, Farzin Farzaneh, Nicola J Curtin, Ghulam J Mufti
This chapter describes some of the techniques in use in our laboratories for the investigation of PARP inhibitors in clinical medicine. More specifically, we are involved in investigating the utility of PARP inhibitors in the treatment of hematopoietic malignancies. We are also actively investigating the properties of the PARP systems in cell biology. We begin the chapter with a very brief history of the invention and use of PARP inhibitors. We then explain the underlying logic of the use of PARP inhibitors either in combination with chemo- or radiotherapy or as single agents used alone...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28693974/the-added-value-of-type-i-interferons-to-cytotoxic-treatments-of-cancer
#17
Laura Bracci, Antonella Sistigu, Enrico Proietti, Federica Moschella
Type I interferons (IFNs) exert anti-proliferative, antiviral and immunomodulatory activities. They are also involved in cell differentiation and anti-tumor defense processes. A growing body of literature indicates that the success of conventional chemotherapeutics, epigenetic drugs, targeted anticancer agents and radiotherapy (RT) relies, at least in part, on the induction of type I IFN signaling in malignant cells, tumor-infiltrating antigen presenting cells or other immune cells within lymphoid organs or blood...
June 19, 2017: Cytokine & Growth Factor Reviews
https://www.readbyqxmd.com/read/28693428/inverse-probability-of-treatment-weighted-competing-risks-analysis-an-application-on-long-term-risk-of-urinary-adverse-events-after-prostate-cancer-treatments
#18
Charlotte A Bolch, Haitao Chu, Stephanie Jarosek, Stephen R Cole, Sean Elliott, Beth Virnig
BACKGROUND: To illustrate the 10-year risks of urinary adverse events (UAEs) among men diagnosed with prostate cancer and treated with different types of therapy, accounting for the competing risk of death. METHODS: Prostate cancer is the second most common malignancy among adult males in the United States. Few studies have reported the long-term post-treatment risk of UAEs and those that have, have not appropriately accounted for competing deaths. This paper conducts an inverse probability of treatment (IPT) weighted competing risks analysis to estimate the effects of different prostate cancer treatments on the risk of UAE, using a matched-cohort of prostate cancer/non-cancer control patients from the Surveillance, Epidemiology and End Results (SEER) Medicare database...
July 10, 2017: BMC Medical Research Methodology
https://www.readbyqxmd.com/read/28693198/pulmonary-toxicity-generated-from-radiotherapeutic-treatment-of-thoracic-malignancies
#19
Guodong Deng, Ning Liang, Jian Xie, Hui Luo, Lili Qiao, Jingxin Zhang, Dawei Wang, Jiandong Zhang
Radiation-induced lung injury (RILI) remains a major obstacle for thoracic radiotherapy for the treatment of lung cancer, esophageal cancer and lymphoma. It is the principal dose-limiting complication, and can markedly impair the therapeutic ratio as well as a patient's quality of life. The current review presents the relevant concepts associated with RILI, including the pathogenic mechanisms and the potential treatment strategies, so as to achieve a general understanding of this issue. RILI comprises an acute radiation pneumonitis phase and subsequent late lung fibrosis...
July 2017: Oncology Letters
https://www.readbyqxmd.com/read/28687963/sparc-gene-variants-predict-clinical-outcome-in-locally-advanced-and-metastatic-pancreatic-cancer-patients
#20
Cristina Arqueros, Juliana Salazar, M J Arranz, Ana Sebio, Josefina Mora, Ivana Sullivan, María Tobeña, Marta Martín-Richard, Agustí Barnadas, Montserrat Baiget, David Páez
Secreted protein acidic and rich in cysteine (SPARC) is a glycoprotein of the extracellular matrix whose expression can be altered in malignant pancreatic cells and in the adjacent stromal fibroblasts. We evaluated the possible role of SPARC gene variants as prognostic markers for locally advanced and metastatic pancreatic cancer. We analyzed eight tagging single-nucleotide polymorphisms (TagSNPs) in the SPARC gene in 74 patients with pancreatic ductal adenocarcinoma treated with chemotherapy alone or combined with radiotherapy...
August 2017: Medical Oncology
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