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https://www.readbyqxmd.com/read/29221180/pelvic-recurrence-after-definitive-surgery-for-locally-advanced-rectal-cancer-a-retrospective-investigation-of-implications-for-precision-radiotherapy-field-design
#1
Chao Li, Yinju Zhu, Tong Tong, Ye Xu, Yun Guan, Jingwen Wang, Huankun Wang, Ji Zhu
Background: To analyze the local distribution of pelvic recurrence after total mesorectal excision, with a view to simplifying the formulation of optimal individualized radiotherapy plans. Methods: We retrospectively investigated the data of 168 patients diagnosed with recurrent pelvic cancer treated at Fudan University Shanghai Cancer Center between January 2008 and December 2012. The following were collected depending on availability: operative report, histological report, specimen photographs, initial preoperative images, images confirming local recurrence, and clinical history...
November 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29218301/long-term-outcomes-after-salvage-stereotactic-radiosurgery-srs-following-in-field-failure-of-initial-srs-for-brain-metastases
#2
Nitesh Rana, Praveen Pendyala, Ryan K Cleary, Guozhen Luo, Zhiguo Zhao, Lola B Chambless, Anthony J Cmelak, Albert Attia, Mark J Stavas
Purpose: The optimal treatment strategy following local recurrence after stereotactic radiosurgery (SRS) remains unclear. While upfront SRS has been extensively studied, few reports focus on outcomes after retreatment. Here, we report the results following a second course of SRS for local recurrence of brain metastases previously treated with SRS. Methods: Using institutional database, patients who received salvage SRS (SRS2) following in-field failure of initial SRS (SRS1) for brain metastases were identified...
2017: Frontiers in Oncology
https://www.readbyqxmd.com/read/29208591/the-second-look-procedure-for-transoral-videolaryngoscopic-surgery-for-t1-and-t2-laryngeal-oropharyngeal-and-hypopharyngeal-cancer-patients-protocol-for-a-nonrandomized-clinical-trial
#3
Goshi Nishimura, Daisuke Sano, Kenichiro Yabuki, Yasuhiro Arai, Yoshihiro Chiba, Teruhiko Tanabe, Nobuhiko Oridate
BACKGROUND: Transoral videolaryngoscopic surgery (TOVS) has been widely applied for early T stage head and neck cancer. The resection is performed with a minimum safety margin for function preservation under a limited surgical field of view, making it difficult to be certain of complete resection. OBJECTIVE: Our aim is the evaluation of the completeness of resection by initial TOVS resection, and the possibility of primary control by TOVS alone, allowing for repeat procedures for function preserving treatment in early T stage laryngeal, oropharyngeal, and hypopharyngeal cancer patients...
December 5, 2017: JMIR Research Protocols
https://www.readbyqxmd.com/read/29207323/overcoming-obstacles-in-the-tumor-microenvironment-recent-advancements-in-nanoparticle-delivery-for-cancer-theranostics
#4
REVIEW
Marta Overchuk, Gang Zheng
Despite rapid advancements in the field of nanotechnology, there is mounting frustration in the scientific community regarding the translational impact of nanomedicine. Modest therapeutic performance of FDA-approved nanomedicines combined with multiple disappointing clinical trials (such as phase III HEAT trial) have raised questions about the future of nanomedicine. Encouraging breakthroughs, however, have been made in the last few years towards the development of new classes of nanoparticles that can respond to tumor microenvironmental conditions and successfully deliver therapeutic agents to cancer cells...
October 20, 2017: Biomaterials
https://www.readbyqxmd.com/read/29207115/current-status-and-future-prospects-of-the-strategy-of-combining-car%C3%A2-t-with-pd%C3%A2-1-blockade-for-antitumor-therapy-review
#5
Jinjing Xu, Qing Zhang, Kang Tian, Haiyu Wang, Hong Yin, Junnian Zheng
The immune system serves an important role in controlling and eradicating malignant cells. Immunotherapy for treating tumors has received much attention in recent years due to its marked effect. There are two approaches which currently lead this field: Chimeric antigen receptor‑modified T‑cell immunotherapy (CAR‑T) and programmed cell death protein-1 blockade (PD‑1 blockade). CAR‑T has emerged as a promising regimen for the treatment of a range of types of cancer, including chronic lymphoid leukemia and neuroblastoma, with studies of long term remission in certain patients...
November 22, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29201315/a-stochastic-mathematical-model-of-avascular-tumor-growth-patterns-and-its-treatment-by-means-of-noises
#6
REVIEW
Yasaman Moghadamnia, Dariush Moslemi
Due to the rate increase in cancer incidence, many researchers in different fields have been conducting studies on cancer-related phenomena. Most studies are conducted to focus on cellular and molecular aspects of cancerous diseases and treatment strategies. Physicists have been using mathematical modeling and simulation to explain the growth pattern of tumors. Although most published studies in this area still have not gained the needed maturity for "treating cancer", research has helped with the statistical laws of growth, predation and proliferation of cancer cells...
2017: Caspian Journal of Internal Medicine
https://www.readbyqxmd.com/read/29201179/gemcitabine-treatment-causes-resistance-and-malignancy-of-pancreatic-cancer-stem-like-cells-via-induction-of-lncrna-hotair
#7
Li Wang, Ping Dong, Weiguo Wang, Mingquan Huang, Bole Tian
Gemcitabine is the first-line chemotherapeutic agent for advanced adenocarcinoma of the pancreas, despite the high risk of chemoresistance as a major disadvantage. In the past few years, significant advances have been made in the field of pancreatic cancer stem-like cells (CSCs) and their critical roles in drug resistance, invasion and metastasis, which are tightly regulated by long non-coding RNAs (lncRNAs). The present study demonstrated that HOX antisense intergenic RNA (HOTAIR) is not different between the pancreatic cancer cell line PANC-1 and its enriched CSC sub-population...
November 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29200110/high-grade-gliomas
#8
Lakshmi Nayak, David A Reardon
PURPOSE OF REVIEW: This article reviews the standard treatment for high-grade gliomas, with a focus on promising new strategies and response assessment. RECENT FINDINGS: The new World Health Organization (WHO) classification of central nervous system tumors classifies high-grade gliomas based on molecular markers that are of prognostic and therapeutic significance. The addition of chemotherapy, specifically procarbazine, CCNU (lomustine), and vincristine, to radiation in newly diagnosed 1p/19q codeleted anaplastic oligodendrogliomas doubled overall survival...
December 2017: Continuum: Lifelong Learning in Neurology
https://www.readbyqxmd.com/read/29199689/clinical-profile-of-nonsmall-cell-lung-carcinoma-patients-treated-in-a-single-unit-at-a-tertiary-cancer-care-center
#9
D C Doval, R Sinha, U Batra, K D Choudhury, S Azam, A Mehta
BACKGROUND: Recent advances and understanding in the field of lung cancer and advent of newer treatments have shown a significant improvement in survival in the patients. The present study was conducted to analyze the clinical profile of nonsmall cell lung cancer (NSCLC) patients treated in a single unit at a tertiary cancer care center. MATERIALS AND METHODS: In this retrospective analysis, 322 consecutive NSCLC patients from the year 2011 to 2012 treated in a single unit were included in the study...
January 2017: Indian Journal of Cancer
https://www.readbyqxmd.com/read/29198747/recent-advances-in-cancer-immunology-and-immunology-based-anticancer-therapies
#10
REVIEW
Sunil Kumar, Reena Vohra Saini, Neeraj Mahindroo
Cancer immunotherapies offer promise for cure of cancer with specificity and minimal toxicity. Recent developments in cancer immunology have led to the better understanding of role of immune regulatory mechanisms in cancer. There is rapid progress in this field in the last few years. Several clinical studies report the efficacy of immunotherapies for treating cancer. The immunology-based anticancer therapies have shown better safety profiles in clinic as compared to other chemotherapeutic agents, thus increasing interest in this area...
November 30, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29198327/critical-features-and-challenges-associated-with-imaging-in-patients-undergoing-cancer-immunotherapy
#11
REVIEW
Cinzia Solinas, Michele Porcu, Zuzana Hlavata, Pushpamali De Silva, Marco Puzzoni, Karen Willard-Gallo, Mario Scartozzi, Luca Saba
Manipulating an individual's immune system through immune checkpoint blockade is revolutionizing the paradigms of cancer treatment. Peculiar patterns and kinetics of response have been observed with these new drugs, rendering the assessment of tumor burden particularly challenging in cancer immunotherapy. The mechanisms of action for immune checkpoint blockade, based upon engagement of the adaptive immune system, can generate unusual response patterns, including pseudoprogression, hyperprogression, atypical and delayed responses...
December 2017: Critical Reviews in Oncology/hematology
https://www.readbyqxmd.com/read/29193279/numerical-and-experimental-evaluation-of-high-intensity-focused-ultrasound-induced-lesions-in-liver-tissue-ex-vivo
#12
Samaneh Haddadi, Mohammad Taghi Ahmadian
OBJECTIVES: Recent advances in the field of acoustics and piezoelectric and ultrasound transducers have led to new approaches to the diagnosis and treatment of certain diseases. One method of treatment with ultrasonic waves is high-intensity focused ultrasound (HIFU) treatment, which is a thermal therapeutic method used to treat malignant tumors. Although a variety of treatment-planning strategies using ultrasonic waves have been investigated, little clinical success has been achieved...
November 30, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/29186698/effect-of-atorvastatin-on-behavioral-alterations-and-neuroinflammation-during-epileptogenesis
#13
Clarissa Vasconcelos de Oliveira, Jéssica Grigoletto, Julia Marion Canzian, Marta Maria Medeiros Frescura Duarte, Thiago Duarte, Ana Flávia Furian, Mauro Schneider Oliveira
Temporal lobe epilepsy (TLE) is the most frequent and medically refractory type of epilepsy in humans. In addition to seizures, patients with TLE suffer from behavioral alterations and cognitive deficits. Poststatus epilepticus model of TLE induced by pilocarpine in rodents has enhanced the understanding of the processes leading to epilepsy and thus, of potential targets for antiepileptogenic therapies. Clinical and experimental evidence suggests that inflammatory processes in the brain may critically contribute to epileptogenesis...
November 26, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/29184678/liquid-biopsy-for-monitoring-anaplastic-lymphoma-kinase-inhibitors-in-non-small-cell-lung-cancer-two-cases-compared
#14
REVIEW
Mariangela Manicone, Maria Chiara Scaini, Maria Grazia Rodriquenz, Antonella Facchinetti, Alfredo Tartarone, Michele Aieta, Rita Zamarchi, Elisabetta Rossi
Three to seven percent of non-small cell lung cancer (NSCLC) patients show anaplastic lymphoma kinase (ALK)-translocation and could be treated with ALK-inhibitors. However, under crizotinib, a first-generation ALK-inhibitor, patients develop drug resistance after a median of 12 months. To overcome crizotinib resistance, several next-generation ALK inhibitors have been developed. In NSCLC, liquid biopsy allowed important improvements in the detection of the epidermal growth factor receptor (EGFR) mutation. The ability of liquid biopsy to detect oncogenic gene/protein fusions is a newly investigated field, and is not routinely applied yet...
October 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/29177791/sr-11302-an-ap-1-inhibitor-reduces-metastatic-lesion-formation-in-ex-vivo-4d-lung-cancer-model
#15
Dhruva Kumar Mishra, Min P Kim
Activator protein (AP) -1 is a transcription factor, plays important role in cell differentiation, proliferation and apoptosis. Analysis of tumor cells grown on ex vivo 4D lung cancer model shows increase in components of AP-1, c-Fos and c-Jun in circulating tumor cells (CTC) compared to primary tumor. Our aim was to determine whether the AP-1 inhibitor SR11302 reduces metastatic lesion formation in the 4D model. Human lung cancer cell lines A549, H1299, and H460 were grown in the 4D model and treated with SR11302 (1 μM)...
November 24, 2017: Cancer Microenvironment: Official Journal of the International Cancer Microenvironment Society
https://www.readbyqxmd.com/read/29168109/a-case-of-glomangiopericytoma-at-the-nasal-septum
#16
Takashi Anzai, Tsuyoshi Saito, Sho Tsuyama, Miri Toh, Katsuhisa Ikeda, Shin Ito
Glomangiopericytoma (GPC) is a rare sinonasal perivascular tumor that accounts for < 0.5-1% of all sinonasal tumors. GPC is categorized as a low-grade neoplasm with borderline malignancy and a tendency of local recurrence. GPC is a rare mesenchymal neoplasm characterized by the perivascular proliferation of tumor cells, and it requires being distinguished from solitary fibrous tumors. Here, we report a case of GPC in a 68-year-old male patient who presented at the emergency room of our hospital with a complaint of sudden epistaxis...
November 22, 2017: Head and Neck Pathology
https://www.readbyqxmd.com/read/29165288/treatment-related-noncontiguous-radiologic-changes-in-children-with-diffuse-intrinsic-pontine-glioma-treated-with-expanded-irradiation-fields-and-antiangiogenic-therapy
#17
Zoltan Patay, Thomas E Merchant, Rosa Nguyen, Christopher R Pierson, Arzu Onar-Thomas, Alberto Broniscer
PURPOSE: We previously reported the cases of 3 children with diffuse intrinsic pontine glioma (DIPG) in whom noncontiguous treatment-related abnormalities (NCTRAs) developed in the brain after expanded-field radiation therapy (RT). To investigate the occurrence and putative mechanism of NCTRAs, we reviewed brain magnetic resonance imaging studies of patients with DIPG treated in 2 consecutive phase I clinical trials (trials 1 and 2). METHODS AND MATERIALS: The 55 children included in these trials received small-molecule inhibitors: vandetanib in trial 1 (n=32; mean age 6...
December 1, 2017: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/29162055/stereotactic-body-radiotherapy-sbrt-for-locally-advanced-intrahepatic-and-extrahepatic-cholangiocarcinoma
#18
Eleni Gkika, Lukas Hallauer, Simon Kirste, Sonja Adebahr, Nico Bartl, Hannes Philipp Neeff, Ralph Fritsch, Volker Brass, Ursula Nestle, Anca Ligia Grosu, Thomas Baptist Brunner
BACKGROUND: To evaluate the role of ablative radiotherapy doses in the treatment of hilar or intrahepatic cholangiocarcinoma (CCC) using stereotactic body radiotherapy (SBRT). METHODS: Consecutive patients treated from 2007 to 2016 with CCC were evaluated. Local control and toxicities were assessed every 3 months according to the Response Evaluation Criteria In Solid Tumors (RECIST) and the Common Terminology Criteria for Adverse Events v4.0, respectively. Overall survival (OS), local control (LC) and progression free survival were calculated from SBRT...
November 21, 2017: BMC Cancer
https://www.readbyqxmd.com/read/29160793/a-gal-m%C3%A2%C2%B5s-device-to-evaluate-cell-migratory-response-to-combined-galvano-chemotactic-fields
#19
Shawn Mishra, Maribel Vazquez
Electric fields have been studied extensively in biomedical engineering (BME) for numerous regenerative therapies. Recent studies have begun to examine the biological effects of electric fields in combination with other environmental cues, such as tissue-engineered extracellular matrices (ECM), chemical gradient profiles, and time-dependent temperature gradients. In the nervous system, cell migration driven by electrical fields, or galvanotaxis, has been most recently studied in transcranial direct stimulation (TCDS), spinal cord repair and tumor treating fields (TTF)...
November 21, 2017: Biosensors
https://www.readbyqxmd.com/read/29156527/synthesis-and-characterization-of-copper-nanoparticles-stabilized-with-quisqualis-indica-extract-evaluation-of-its-cytotoxicity-and-apoptosis-in-b16f10-melanoma-cells
#20
Ria Mukhopadhyay, Julekha Kazi, Mita Chatterjee Debnath
Green synthesis of metallic nanoparticles is a cost-effective environment-friendly technique and Quisqualis indica has ethnomedicinal values. With this background in this study, the floral extract of Q. indica was used to fabricate copper nanoparticles (QCuNPs) from copper acetate. Biophysical analysis revealed the formation of spherical, monodisperse, crystalline QCuNPs. Significant cytotoxic potentials of the nanoformulation were determined by MTT and lactate dehydrogenase (LDH) assay on B16F10 melanoma cells...
November 15, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
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