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https://www.readbyqxmd.com/read/29220723/gold-nanoparticles-enhance-radiation-sensitization-and-suppress-colony-formation-in-a-feline-injection-site-sarcoma-cell-line-in-vitro
#1
J Z Benton, R J Williams, A Patel, K Meichner, J Tarigo, K Nagata, T D Pethel, R M Gogal
Injection Site Sarcomas (ISS) are highly invasive feline malignant tumors that are frequently associated with routine vaccination. Current treatment modalities include chemotherapy, radiation, and radical surgery. ISS have been shown to be one of the most treatment resistant of feline cancers with high rates of recurrence. Previous studies have shown that gold and other high atomic number nanoparticles have the ability to increase the dose of radiation deposited into tissue by generating secondary electrons...
December 2, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/29220692/plag-alleviates-chemotherapy-induced-thrombocytopenia-via-promotion-of-megakaryocyte-erythrocyte-progenitor-differentiation-in-mice
#2
Ha-Reum Lee, Nina Yoo, Jinseon Jeong, Ki-Young Sohn, Sun Young Yoon, Jae Wha Kim
Previously, PLAG (1-palmitoyl-2-linoleoyl-3-acetyl-rac-glycerol, acetylated diglyceride) was reported to have an effect on the proliferation of hematopoietic stem cells (HSCs) or to contribute to the prevention of chemotherapy-induced neutropenia. In this study, we examined the role of PLAG in the differentiation of bone marrow cells from HSCs into progenitor cells in mice. After 15days, the lineage-negative cells, especially megakaryocyte/erythrocyte progenitors (MEP), were significantly increased in mice that received daily PLAG administration compared to those in the untreated mice...
October 10, 2017: Thrombosis Research
https://www.readbyqxmd.com/read/29220291/emerging-targeted-and-immune-based-therapies-in-sarcoma
#3
Seth M Pollack, Matthew Ingham, Matthew B Spraker, Gary K Schwartz
Soft tissue and bone sarcomas are malignancies of mesenchymal origin, and more than 50 subtypes are defined. For most sarcomas, locally advanced or unresectable disease is still treated with cytotoxic chemotherapy. Recently, our understanding of subtype-specific cancer biology has expanded, and it has revealed distinct molecular alterations responsible for tumor initiation and progression. These findings have motivated the development of targeted therapies that are being evaluated in subtype-specific or biomarker-driven clinical trials...
December 8, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/29220203/recent-advances-in-fertility-preservation-and-counseling-for-female-cancer-patients
#4
Marie-Madeleine Dolmans
Ensuring quality of life for increasing numbers of women surviving cancer has become a key challenge. Patients need to be counseled on potential fertility loss resulting from gonadotoxic treatments, and referred to fertility specialists to discuss existing options and available results. Areas covered: Fertility preservation options have existed for over twenty years. The proposed fertility preservation approach depends on patient age, the urgency of required chemotherapy, and psychosocial factors such as financial concerns, especially in countries where techniques are not covered by social security...
December 8, 2017: Expert Review of Anticancer Therapy
https://www.readbyqxmd.com/read/29218690/neoadjuvant-volumetric-modulated-arc-therapy-in-rectal-cancer-and-the-correlation-of-pathological-response-with-diffusion-weighted-mri-and-apoptotic-markers
#5
Necla Gurdal, Merdan Fayda, Nijat Alishev, Baris Bakir, Didem Tastekin, Faruk Aykan, Ugur Gezer, Emre Balik, Esra Kaytan Saglam, Ethem Nezih Oral, Mine Gulluoglu, Ahmet Kizir
PURPOSE: In this prospective observational study, we aimed to report the applicability and tolerability of neoadjuvant volumetric modulated arc therapy with simultaneous integrated boost (SIB-VMAT) and concurrent chemotherapy in patients with locally advanced rectal cancer (LARC), and to evaluate the correlation of pathological response with apparent diffusion coefficient (ADC) measurements on diffusion-weighted magnetic resonance imaging (DW-MRI) and apoptotic markers. METHODS: The study enrolled 30 patients with T3 to T4 and/or N+ rectal cancer who preoperatively received SIB-VMAT and concurrent chemotherapy...
December 6, 2017: Tumori
https://www.readbyqxmd.com/read/29218623/early-metabolic-change-after-induction-chemotherapy-predicts-histologic-response-and-prognosis-in-patients-with-esophageal-cancer-secondary-analysis-of-a-randomized-trial
#6
Kazuto Harada, Xuemei Wang, Yusuke Shimodaira, Tara Sagebiel, Manoop S Bhutani, Jeffrey H Lee, Brian Weston, Elena Elimova, Quan Lin, Fatemeh G Amlashi, Dilsa Mizrak Kaya, Anthony Lopez, Mariela A Blum Murphy, Jack A Roth, Stephen G Swisher, Heath D Skinner, Wayne L Hofstetter, Jane E Rogers, Irene Thomas, Dipen M Maru, Ritsuko Komaki, Garrett Walsh, Jaffer A Ajani
BACKGROUND: Early metabolic response after preoperative induction chemotherapy (IC) appears to predict histologic response and prognosis in esophageal cancer (EC), but the usefulness of this approach needs further development. OBJECTIVE: We evaluated metabolic response after one cycle of IC using positron emission tomography (PET) to correlate PET response and outcomes. PATIENTS AND METHODS: We retrospectively analyzed PET data from a randomized phase 2 trial (NCT00525915) of chemoradiation and surgery with or without IC for the treatment of EC...
December 7, 2017: Targeted Oncology
https://www.readbyqxmd.com/read/29218591/model-based-phenotypic-signatures-governing-the-dynamics-of-the-stem-and-semi-differentiated-cell-populations-in-dysplastic-colonic-crypts
#7
Svetoslav Nikolov, Guido Santos, Olaf Wolkenhauer, Julio Vera
Mathematical modeling of cell differentiated in colonic crypts can contribute to a better understanding of basic mechanisms underlying colonic tissue organization, but also its deregulation during carcinogenesis and tumor progression. Here, we combined bifurcation analysis to assess the effect that time delay has in the complex interplay of stem cells and semi-differentiated cells at the niche of colonic crypts, and systematic model perturbation and simulation to find model-based phenotypes linked to cancer progression...
December 7, 2017: Bulletin of Mathematical Biology
https://www.readbyqxmd.com/read/29218405/multimodal-treatments-combined-with-gamma-knife-surgery-for-primary-atypical-teratoid-rhabdoid-tumor-of-the-central-nervous-system-a-single-institute-experience-of-18-patients
#8
Yan-Ming Ren, Xia Wu, Chao You, Yue-Kang Zhang, Qiang Li, Yan Ju
OBJECTIVES: Atypical teratoid/rhabdoid tumor (AT/RT) is a rare, highly malignant tumor of the central nervous system with poor prognosis. Nowadays, multimodal management, including surgery, chemotherapy (CMT), and radiation therapy (RT), is advocated. However, AT/RT treatment with gamma knife surgery (GKS) was rarely reported. The aim of this study was to assess the efficacy and safety of GKS for the treatment of AT/RT. PATIENTS AND METHODS: Medical records of AT/RT patients who underwent surgery from 2007 to 2014 at the West China Hospital were retrospectively reviewed and statistically analyzed...
December 7, 2017: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/29218389/primary-prophylaxis-of-invasive-fungal-infections-in-patients-with-haematological-malignancies-2017-update-of-the-recommendations-of-the-infectious-diseases-working-party-agiho-of-the-german-society-for-haematology-and-medical-oncology-dgho
#9
REVIEW
Sibylle C Mellinghoff, Jens Panse, Nael Alakel, Gerhard Behre, Dieter Buchheidt, Maximilian Christopeit, Justin Hasenkamp, Michael Kiehl, Michael Koldehoff, Stefan W Krause, Nicola Lehners, Marie von Lilienfeld-Toal, Annika Y Löhnert, Georg Maschmeyer, Daniel Teschner, Andrew J Ullmann, Olaf Penack, Markus Ruhnke, Karin Mayer, Helmut Ostermann, Hans-H Wolf, Oliver A Cornely
Immunocompromised patients are at high risk of invasive fungal infections (IFI), in particular those with haematological malignancies undergoing remission-induction chemotherapy for acute myeloid leukaemia (AML) or myelodysplastic syndrome (MDS) and recipients of allogeneic haematopoietic stem cell transplants (HSCT). Despite the development of new treatment options in the past decades, IFI remains a concern due to substantial morbidity and mortality in these patient populations. In addition, the increasing use of new immune modulating drugs in cancer therapy has opened an entirely new spectrum of at risk periods...
December 7, 2017: Annals of Hematology
https://www.readbyqxmd.com/read/29218388/correlation-of-sociodemographic-and-clinical-parameters-with-depression-and-distress-in-patients-with-hematologic-malignancies
#10
Amanda J Shreders, Shehzad K Niazi, David O Hodge, Nicolette T Chimato, Megha Kureti, Navya Kirla, Ankit Agrawal, Abhisek Swaika, Elaine Gustetic, Renee Foster, Kimberly A Nelson, Prachi Jani, Asher A Chanan-Khan, Sikander Ailawadhi
A quarter of cancer patients struggle with distress or depression during their illness. Multiple organizations including the National Comprehensive Cancer Network recommend universal screening for distress and depression. Herein, we describe a universal screening program in patients with hematologic malignancies and factors associated with distress and depression. Between December 2013 and February 2015, patients with hematologic malignancies took the Patient Health Questionnaire 9 (PHQ-9) and Distress Thermometer (DT) prior to receiving their first outpatient parenteral chemotherapy...
December 7, 2017: Annals of Hematology
https://www.readbyqxmd.com/read/29218271/magnetic-resonance-imaging-in-precision-radiation-therapy-for-lung-cancer
#11
REVIEW
Hannah Bainbridge, Ahmed Salem, Rob H N Tijssen, Michael Dubec, Andreas Wetscherek, Corinne Van Es, Jose Belderbos, Corinne Faivre-Finn, Fiona McDonald
Radiotherapy remains the cornerstone of curative treatment for inoperable locally advanced lung cancer, given concomitantly with platinum-based chemotherapy. With poor overall survival, research efforts continue to explore whether integration of advanced radiation techniques will assist safe treatment intensification with the potential for improving outcomes. One advance is the integration of magnetic resonance imaging (MRI) in the treatment pathway, providing anatomical and functional information with excellent soft tissue contrast without exposure of the patient to radiation...
December 2017: Translational Lung Cancer Research
https://www.readbyqxmd.com/read/29218257/pulmonary-tuberculosis-versus-recurrent-chemotherapy-induced-pneumonitis-a-clinical-dilemma
#12
Gulrayz Ahmed, Muhammad W Saif
Chemotherapy-induced lung toxicity can affect pulmonary parenchyma, pleura, airways, pulmonary vascular system, mediastinum or the neuromuscular system that is responsible for respiration. Chemotherapy-induced pulmonary toxicity is a diagnosis of exclusion. When the patients with malignancies develop pulmonary toxicity such as pneumonitis and distinguishing it from alternative diseases such as infectious, thrombotic, cardiac, malignant or exacerbation of chronic lung conditions can be difficult. Moreover, such patients are often immunosuppressed, physically stressed from the underlying disease and the cancer treatment and hence, more susceptible to usual and unusual or opportunistic infections...
October 4, 2017: Curēus
https://www.readbyqxmd.com/read/29218213/two-cases-of-somatic-type-malignancy-as-a-very-late-relapse-of-testicular-cancer-successfully-managed-by-surgical-resection
#13
Satoshi Washino, Tsuzumi Konishi, Kimitoshi Saito, Masashi Ohshima, Yuhki Nakamura, Tomoaki Miyagawa
A late-relapse germ cell tumor might contain malignant non-germ cell tumors, known as 'somatic-type malignancy (SM)'. The development of a secondary SM is rare, and this phenomenon remains poorly understood. Case 1 developed lung metastasis 13 years after chemotherapy followed by retroperitoneal lymph node dissection for stage IIA non-seminoma. The tumor increased in size after chemotherapy. The patient underwent a pneumonectomy. Pathology revealed an adenocarcinoma with immature teratoma. The patient has experienced no relapse for 9 years...
November 2017: Journal of Surgical Case Reports
https://www.readbyqxmd.com/read/29218103/microrna-429-sensitizes-pancreatic-cancer-cells-to-gemcitabine-through-regulation-of-pdcd4
#14
Gang Yu, Benli Jia, Yunsheng Cheng, Lianbang Zhou, Bo Qian, Zhining Liu, Yong Wang
One of the features for pancreatic cancer is that it is often resistant to chemotherapy treatment, which is one of the major hindrances in the treatment of this malignancy. Previous studies indicated that the microRNAs (miRNAs) could mediate resistance of tumor cells to chemotherapy drug in the cancer progression. In the present study, we are aimed to examine whether microRNA-429 was involved in mediating the chemo-resistance of pancreatic cancer cells to gemcitabine. Firstly, a gemcitabine-resistant pancreatic cancer cell line (SW1990/GZ) derived from cell line (SW1990) was constructed and found to possess a decreased expression of miR-429 when it is compared to the original cell line...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/29217634/anthracycline-cardiotoxicity-an-update-on-mechanisms-monitoring-and-prevention
#15
REVIEW
Peter A Henriksen
Anthracycline chemotherapy causes dose-related cardiomyocyte injury and death leading to left ventricular dysfunction. Clinical heart failure may ensue in up to 5% of high-risk patients. Improved cancer survival together with better awareness of the late effects of cardiotoxicity has led to growing recognition of the need for surveillance of anthracycline-treated cancer survivors with early intervention to treat or prevent heart failure. The main mechanism of anthracycline cardiotoxicity is now thought to be through inhibition of topoisomerase 2β resulting in activation of cell death pathways and inhibition of mitochondrial biogenesis...
December 7, 2017: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/29217514/novel-ocular-toxicity-associated-with-fibroblast-growth-factor-receptor-fgfr-inhibitors-in-cancer-treatment-observational-case-series
#16
Daniel Velazquez-Villoria, Analia Azaro, Jordi Rodon, Cinta Hierro, Danai Kyriakou, Jose Garcia-Arumi, Miguel Angel Zapata
AIMS: To describe novel ocular toxicity in patients with metastatic cancer undergoing chemotherapy with fibroblast growth factor receptor (FGFR) inhibitors. METHODS: This observational case series study included five patients with advanced cancer who received selected pan-FGFR inhibitors as single chemotherapy in the framework of a dose-finding study and phase I and phase II clinical studies. In all cases, subfoveal neurosensory retinal detachment was diagnosed...
December 7, 2017: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/29217398/is-neoadjuvant-chemoradiation-with-dose-escalation-and%C3%A2-consolidation-chemotherapy-sufficient-to-increase-surgery-free-and-distant-metastases-free-survival-in-baseline%C3%A2-ct3-rectal-cancer
#17
Guilherme Pagin São Julião, Angelita Habr-Gama, Bruna Borba Vailati, Patricia Bailão Aguilar, Jorge Sabbaga, Sérgio Eduardo Alonso Araújo, Adrian Mattacheo, Flavia Andrea Alexandre, Laura Melina Fernandez, Diogo Bugano Gomes, Joaquim Gama-Rodrigues, Rodrigo Oliva Perez
Patients with cT3 rectal cancer are less likely to develop complete response to neoadjuvant chemoradiation (nCRT) and still face significant risk for systemic relapse. In this setting, radiation (RT) dose-escalation and consolidation chemotherapy in "extended" nCRT regimens have been suggested to improve primary tumor response and decrease the risks of systemic recurrences. For these reasons we compared surgery-free and distant-metastases free survival among cT3 patients undergoing standard or extended nCRT...
November 26, 2017: European Journal of Surgical Oncology
https://www.readbyqxmd.com/read/29217301/-gut-microbiota-what-impact-on-colorectal-carcinogenesis-and-treatment
#18
REVIEW
Antoine Bruneau, Minh-Tam Baylatry, Anne Christine Joly, Harry Sokol
The gut microbiota, composed of 1014 microorganisms, is now considered as a "hidden organ", regarding to its digestive, metabolic and immune functions, which are helpful to its host. For the last 15 years, advances in molecular biology have highlighted the association of gut microbiota dysbiosis with several diseases, including colorectal cancer. An increased abundance of some bacteria (including Fusobacterium nucleatum, Bacteroides fragilis, Escherichia coli) is associated with cancer, whereas others seem to be protective (Faecalibacterium prausnitzii)...
December 4, 2017: Bulletin du Cancer
https://www.readbyqxmd.com/read/29217288/avelumab-in-metastatic-urothelial-carcinoma-after-platinum-failure-javelin-solid-tumor-pooled-results-from-two-expansion-cohorts-of-an-open-label-phase-1-trial
#19
Manish R Patel, John Ellerton, Jeffrey R Infante, Manish Agrawal, Michael Gordon, Raid Aljumaily, Carolyn D Britten, Luc Dirix, Keun-Wook Lee, Mathew Taylor, Patrick Schöffski, Ding Wang, Alain Ravaud, Arnold B Gelb, Junyuan Xiong, Galit Rosen, James L Gulley, Andrea B Apolo
BACKGROUND: The approval of anti-programmed death ligand 1 (PD-L1) and anti-programmed death 1 agents has expanded treatment options for patients with locally advanced or metastatic urothelial carcinoma. Avelumab, a human monoclonal anti-PD-L1 antibody, has shown promising antitumour activity and safety in this disease. We aimed to assess the safety profile in patients (both post-platinum therapy and cisplatin-naive) treated with avelumab and to assess antitumour activity of this drug in post-platinum patients...
December 4, 2017: Lancet Oncology
https://www.readbyqxmd.com/read/29217286/pediatric-protocol-of-multimodal-therapy-is-associated-with-improved-survival-in-ayas-and-adults-with-rhabdomyosarcoma
#20
Trevan D Fischer, Shrawan G Gaitonde, Bradley C Bandera, Mehul V Raval, Sanjeev A Vasudevan, Kenneth W Gow, Elizabeth A Beierle, John J Doski, Adam B Goldin, Monica Langer, Jed G Nuchtern, Stacey Stern, Leland J Foshag, Melanie Goldfarb
BACKGROUND: Multimodal therapy is the standard treatment for pediatric rhabdomyosarcoma, but for adolescents and young adults (AYAs: ages 15-39) and older adults with rhabdomyosarcoma, the use of adjuvant therapy is variable, and survival is greatly decreased compared with younger patients. METHODS: All patients with rhabdomyosarcoma who had a curative operative were identified from the 1998-2012 National Cancer Database. Regression analyses identified independent factors relating to receipt of multimodal therapy (resection + chemotherapy + radiation) and the influence of multimodal therapy on 5-year overall survival...
December 4, 2017: Surgery
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