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https://www.readbyqxmd.com/read/29345288/downregulation-of-mir%C3%A2-205-is-associated-with-glioblastoma-cell-migration-invasion-and-the-epithelial-mesenchymal-transition-by-targeting-zeb1-via-the-akt-mtor-signaling-pathway
#1
Wei Chen, Kuan-Kei Kong, Xin-Ke Xu, Cheng Chen, Hui Li, Fang-Yu Wang, Xiao-Fang Peng, Zhan Zhang, Ping Li, Jun-Liang Li, Fang-Cheng Li
Glioblastoma (GBM) is the most common type of malignant brain tumor. In spite of recent advancements in surgical techniques, chemotherapy, and radiation therapy, patients with GBM often face a dire prognosis. MicroRNAs have been shown to modulate the aggressiveness of various cancers, and have emerged as possible therapeutic agents for the management of GBM. miR‑205 is dysregulated in glioma and act as a prognostic indicator. However, the role of miR‑205 in the development of GBM has not been elucidated...
February 2018: International Journal of Oncology
https://www.readbyqxmd.com/read/29340167/subcutaneous-glucagon-infusion-and-continuous-glucose-monitoring-enable-effective-management-of-hypoglycemia-in-a-patient-with-igf-2-producing-hemangiopericytoma
#2
Eric D Buras, Emily Weatherup, Jennifer Wyckoff
Background: Ectopic insulin-like growth factor (IGF)-2 production is a rare complication of an array of epithelial and mesenchymal tumors, and can clinically manifest as life-threatening hypoglycemia. Case presentation: A 49-year-old woman with 13-year history of metastatic hemangiopericytoma, previously treated with multiple rounds of chemotherapy and palliative radiation, presented to the emergency department after a hypoglycemic seizure. On arrival, glucose was 18 mg/dL (1...
2018: Clinical Diabetes and Endocrinology
https://www.readbyqxmd.com/read/29336109/moderate-hypofractionation-for-prostate-cancer-a-user-s-guide
#3
REVIEW
David I Pryor, Sandra L Turner, Keen Hun Tai, Colin Tang, Giuseppe Sasso, Marcus Dreosti, Henry H Woo, Lee Wilton, Jarad M Martin
Three large randomised controlled trials have been published in the last year demonstrating the non-inferiority of moderate hypofractionation compared to conventional fractionation for localised prostate cancer with respect to both disease control and late toxicity at 5 years. Furthermore, no clinically significant differences in patient-reported outcomes have emerged. More mature follow-up data are now also available from phase 2 studies confirming that moderate hypofractionation is associated with low rates of significant toxicity at 10 years...
January 16, 2018: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/29334232/stereotactic-body-radiation-therapy-sbrt-for-hepatocellular-carcinoma-imaging-evaluation-post-treatment
#4
Trenton Kellock, Teresa Liang, Alison Harris, Devin Schellenberg, Roy Ma, Stephen Ho, Wan Wan Yap
Surgical resection, when feasible, is the standard of care for hepatocellular carcinoma (HCC). However, many tumors are not resectable at the time of diagnosis. Recently, stereotactic body radiation therapy (SBRT) has emerged as a non-invasive local therapy for both non-resectable primary hepatic malignancies as well as hepatic metastases. Knowledge of the expected hepatic parenchymal appearance post treatment, as well as potential pitfalls and complications, is essential for accurate evaluation of treatment response...
January 15, 2018: British Journal of Radiology
https://www.readbyqxmd.com/read/29321112/the-evaluation-and-management-of-urolithiasis-in-the-emergency-department-a-review-of-the-literature
#5
REVIEW
Michael Gottlieb, Brit Long, Alex Koyfman
BACKGROUND: Urolithiasis is a common condition in the U.S. Patients frequently present to the emergency department (ED) for care, including analgesia and treatments to facilitate stone passage. OBJECTIVE: With the new evidence concerning the evaluation and treatment of urolithiasis, this review summarizes current literature regarding the ED management of urolithiasis. DISCUSSION: Urolithiasis occurs primarily through supersaturation of urine and commonly presents with flank pain, hematuria, and nausea/vomiting...
January 5, 2018: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/29313655/lung-cancer-management
#6
Timothy F Mott
Lung cancer management that is individualized for age, comorbidities, cancer type, cancer stage, and patient preference has long been a cornerstone of management. New to this realm of individualized management are the emerging biologic therapies, immunotherapies, and targeted therapies for non-small-cell lung cancer provided by advances in genetics and molecular medicine. These techniques have led to a new field of precision medicine based on the unique molecular characteristics of a specific patient and the specific cancer...
January 2018: FP Essentials
https://www.readbyqxmd.com/read/29311686/preclinical-longitudinal-imaging-of-tumor-microvascular-radiobiological-response-with-functional-optical-coherence-tomography
#7
Valentin Demidov, Azusa Maeda, Mitsuro Sugita, Victoria Madge, Siddharth Sadanand, Costel Flueraru, I Alex Vitkin
Radiation therapy (RT) is widely used for cancer treatment, alone or in combination with other therapies. Recent RT advances have revived interest in delivering higher dose in fewer fractions, which may invoke both cellular and microvascular damage mechanisms. Microvasculature may thus be a potentially sensitive functional biomarker of RT early response, especially for such emerging RT treatments. However it is difficult to measure directly and non-invasively, and its time course, dose dependencies, and overall importance in tumor control are unclear...
January 8, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29311387/critical-interactions-between-immunogenic-cancer-cell-death-oncolytic-viruses-and-the-immune-system-define-the-rational-design-of-combination-immunotherapies
#8
REVIEW
Jacob P van Vloten, Samuel T Workenhe, Sarah K Wootton, Karen L Mossman, Byram W Bridle
Oncolytic viruses (OVs) are multimodal cancer therapeutics, with one of their dominant mechanisms being in situ vaccination. There is a growing consensus that optimal cancer therapies should generate robust tumor-specific immune responses. Immunogenic cell death (ICD) is a paradigm of cellular demise culminating in the spatiotemporal release of danger-associated molecular patterns that induce potent anticancer immunity. Alongside traditional ICD inducers like anthracycline chemotherapeutics and radiation, OVs have emerged as novel members of this class of therapeutics...
January 15, 2018: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/29302251/immunotherapy-for-non-small-cell-lung-cancer-current-status-and-future-obstacles
#9
REVIEW
Ju Hwan Cho
Lung cancer is one of the leading causes of death worldwide. There are 2 major subtypes of lung cancer, non-small-cell lung cancer (NSCLC) and small-cell lung cancer (SCLC). Studies show that NSCLC is the more prevalent type of lung cancer that accounts for approximately 80%-85% of cases. Although, various treatment methods, such as chemotherapy, surgery, and radiation therapy have been used to treat lung cancer patients, there is an emergent need to develop more effective approaches to deal with advanced stages of tumors...
December 2017: Immune Network
https://www.readbyqxmd.com/read/29301352/stereotactic-body-radiation-therapy-in-the-management-of-upper-gi-malignancies
#10
REVIEW
Leila Tchelebi, Nicholas Zaorsky, Heath Mackley
The role of external beam radiation therapy (EBRT) in the management of upper gastrointestinal malignancies is constantly evolving. As radiation therapy techniques improve and are able to deliver more ablative doses of radiotherapy while sparing healthy tissue, radiation can be applied to a wider range of clinical scenarios. Stereotactic body radiation therapy (SBRT) allows a high dose of radiation to be delivered to a highly conformal treatment volume in a short amount of time. Another potential advantage of SBRT is its ability to increase tumor immunogenicity, while also having less of an immunosuppressive effect on the patient, as compared to conventionally fractionated radiation therapy...
January 3, 2018: Biomedicines
https://www.readbyqxmd.com/read/29299156/inhibition-of-pi4k-iii%C3%AE-radiosensitizes-in-human-tumor-xenograft-and-immune-competent-syngeneic-murine-tumor-model
#11
Younghee Park, Ji Min Park, Dan Hyo Kim, Jeanny Kwon, In Ah Kim
Phosphatidylinositol (PI) 4-kinase (PI4K) has emerged as a potential target for anti-cancer treatment. We recently reported that simeprevir, an anti-hepatitis C viral (HCV) agent, radiosensitized diverse human cancer cells by inhibiting PI4K IIIα in vitro. In this study, we investigated the radiosensitizing effect of simeprevir in an in vivo tumor xenograft model and the mechanism of its interaction. The immune modulatory effect of PI4K IIIα was evaluated in an immune-competent syngeneic murine tumor model...
December 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/29297495/treatment-effects-in-prostate-cancer
#12
Andrew J Evans
Nonsurgical treatments for prostate cancer include androgen-deprivation therapy (ADT), radiation therapy (RT), ablative therapies, chemotherapy, and newly emerging immunotherapies. These approaches can be used alone or in combination depending on the clinical scenario. ADT is typically reserved for high-risk locally or systemically advanced disease that is not amenable to curative surgery. Radiation therapy can be used instead of surgery as primary therapy with curative intent for low-intermediate-risk disease as well as for control of locally advanced disease not suitable for surgery...
January 2018: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/29258856/emerging-biomarkers-for-the-combination-of-radiotherapy-and-immune-checkpoint-blockers
#13
REVIEW
Claire Lhuillier, Claire Vanpouille-Box, Lorenzo Galluzzi, Silvia Chiara Formenti, Sandra Demaria
Over the past few years, multiple immune checkpoint blockers (ICBs) have achieved unprecedented clinical success and have been approved by regulatory agencies for the treatment of an increasing number of malignancies. However, only a limited fraction of patients responds to ICBs employed as a standalone intervention, calling for the development of combinatorial regimens. Radiation therapy (RT) stands out as a very promising candidate for this purpose. Indeed, RT mediates antineoplastic effects not only by cytotoxic and cytostatic mechanisms, but also by modulating immunological functions, both locally (within the irradiated field) and systemically...
December 16, 2017: Seminars in Cancer Biology
https://www.readbyqxmd.com/read/29228705/yap1-inhibition-radiosensitizes-triple-negative-breast-cancer-cells-by-targeting-the-dna-damage-response-and-cell-survival-pathways
#14
Daniel Andrade, Meghna Mehta, James Griffith, Janani Panneerselvam, Akhil Srivastava, Tae-Dong Kim, Ralf Janknecht, Terence Herman, Rajagopal Ramesh, Anupama Munshi
The Hippo pathway is an evolutionarily conserved signaling pathway that regulates proliferation and apoptosis to control organ size during developmental growth. Yes-associated protein 1 (YAP1), the terminal effector of the Hippo pathway, is a transcriptional co-activator and a potent growth promoter that has emerged as a critical oncogene. Overexpression of YAP1 has been implicated in promoting resistance to chemo-, radiation and targeted therapy in various cancers. However, the role of YAP1 in radioresistance in triple-negative breast cancer (TNBC) is currently unknown...
November 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29224916/cancer-radiosensitizers
#15
REVIEW
Hao Wang, Xiaoyu Mu, Hua He, Xiao-Dong Zhang
Radiotherapy (RT) is a mainstay treatment for many types of cancer, although it is still a large challenge to enhance radiation damage to tumor tissue and reduce side effects to healthy tissue. Radiosensitizers are promising agents that enhance injury to tumor tissue by accelerating DNA damage and producing free radicals. Several strategies have been exploited to develop highly effective and low-toxicity radiosensitizers. In this review, we highlight recent progress on radiosensitizers, including small molecules, macromolecules, and nanomaterials...
December 7, 2017: Trends in Pharmacological Sciences
https://www.readbyqxmd.com/read/29221291/airway-stenting-in-patients-requiring-intubation-due-to-malignant-airway-stenosis-a-10-year-experience
#16
Masahide Oki, Hideo Saka, Kazumi Hori
Background: Critically ill patients with severe acute respiratory failure due to malignant airway stenosis often require emergency intubation and mechanical ventilation. Urgent intervention is necessary for the survival of such patients. The aim of this study was to determine the efficacy and outcomes of airway stenting in patients with malignant airway stenosis requiring emergency intubation. Methods: Patients with malignant airway stenosis who underwent emergency intubation prior to airway stent placement from September 2005 to September 2015 in a single center were retrospectively reviewed...
September 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/29213338/particle-therapy-and-nanomedicine-state-of-art-and-research-perspectives
#17
REVIEW
Sandrine Lacombe, Erika Porcel, Emanuele Scifoni
Cancer radiation therapy with charged particle beams, called particle therapy, is a new therapeutic treatment presenting major advantages when compared to conventional radiotherapy. Because ions have specific ballistic properties and a higher biological effectiveness, they are superior to x-rays. Numerous medical centres are starting in the world using mostly protons but also carbon ions as medical beams. Several investigations are attempting to reduce the cost/benefit ratio and enlarge the range of therapeutic indications...
2017: Cancer Nanotechnology
https://www.readbyqxmd.com/read/29212171/clinical-outcomes-and-prognostic-factors-of-stereotactic-body-radiation-therapy-for-intrahepatic-cholangiocarcinoma
#18
Ze-Tian Shen, Han Zhou, Ao-Mei Li, Bing Li, Jun-Shu Shen, Xi-Xu Zhu
Stereotactic body radiation therapy (SBRT) has been an emerging non-invasive treatment modality for patients with intrahepatic cholangiocarcinoma (ICC) when surgical treatment cannot be applied. The CyberKnife® is a SBRT system that allows for real-time tracking of the tumor. The purpose of this study was to evaluate the clinical outcomes and prognostic factors for ICC patients receiving this treatment. Twenty-eight patients with ICC were enrolled in the present study. The median prescription dose was 45 Gy (range, 36-54 Gy), fractionated 3 to 5 times with a 70% to 92% isodose line...
November 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/29210648/vitamins-for-cancer-prevention-and-treatment-an-insight
#19
A Jain, A Tiwari, A Verma, S K Jain
Over a few decades a strong interlink between oxidative damage and cancer has been investigated by various scientists across the world on the basis of epidemiological observations of the effects of fruits and vegetables used in the diet for cancer patients. Primarily, Vitamin C, Vitamin D and Vitamin E are reported to be involved in the amelioration of side effects which occur in chemotherapy and radiation therapy of lungs, stomach, prostate, colorectal, gastric head and neck cancers. The vitamins acting as antioxidant adjuvants are found to have apoptotic and anti-angiogenesis potential as well as inhibitory effects against metastasis in cancer cells...
December 4, 2017: Current Molecular Medicine
https://www.readbyqxmd.com/read/29209327/strategies-to-improve-the-efficacy-of-dendritic-cell-based-immunotherapy-for-melanoma
#20
REVIEW
Kristian M Hargadon
Melanoma is a highly aggressive form of skin cancer that frequently metastasizes to vital organs, where it is often difficult to treat with traditional therapies such as surgery and radiation. In such cases of metastatic disease, immunotherapy has emerged in recent years as an exciting treatment option for melanoma patients. Despite unprecedented successes with immune therapy in the clinic, many patients still experience disease relapse, and others fail to respond at all, thus highlighting the need to better understand factors that influence the efficacy of antitumor immune responses...
2017: Frontiers in Immunology
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