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https://www.readbyqxmd.com/read/28912897/genomic-analysis-of-tumor-microenvironment-immune-types-across-14-solid-cancer-types-immunotherapeutic-implications
#1
Yu-Pei Chen, Yu Zhang, Jia-Wei Lv, Ying-Qin Li, Ya-Qin Wang, Qing-Mei He, Xiao-Jing Yang, Ying Sun, Yan-Ping Mao, Jing-Ping Yun, Na Liu, Jun Ma
We performed a comprehensive immuno-genomic analysis of tumor microenvironment immune types (TMITs), which is classified into four groups based on PD-L1+CD8A or PD-L1+cytolytic activity (CYT) expression, across a broad spectrum of solid tumors in order to help identify patients who will benefit from anti- PD-1/PD-L1 therapy. The mRNA sequencing data from The Cancer Genome Atlas (TCGA) of 14 solid cancer types representing 6,685 tumor samples was analyzed. TMIT was classified only for those tumor types that both PD-L1 and CD8A/CYT could prefict mutation and/or neoantigen number...
2017: Theranostics
https://www.readbyqxmd.com/read/28857137/weekday-of-cancer-surgery-in-relation-to-prognosis
#2
J Lagergren, F Mattsson, P Lagergren
BACKGROUND: Later weekday of surgery seems to affect the prognosis adversely in oesophageal cancer, whereas any such influence on other cancer sites is unknown. This study aimed to test whether weekday of surgery influenced prognosis following commonly performed cancer operations. METHODS: This nationwide Swedish population-based cohort study from 1997 to 2014 analysed weekday of elective surgery for ten major cancers in relation to disease-specific and all-cause mortality...
August 31, 2017: British Journal of Surgery
https://www.readbyqxmd.com/read/28794640/volumetric-modulated-arc-therapy-for-treatment-of-solid-tumors-current-insights
#3
REVIEW
Gabriella Macchia, Francesco Deodato, Savino Cilla, Silvia Cammelli, Alessandra Guido, Martina Ferioli, Giambattista Siepe, Vincenzo Valentini, Alessio Giuseppe Morganti, Gabriella Ferrandina
AIM: This article discusses the current use of volumetric modulated arc therapy (VMAT) techniques in clinical practice and reviews the available data from clinical outcome studies in different clinical settings. An overview of available literature about clinical outcomes with VMAT stereotactic/radiosurgical treatment is also reported. MATERIALS AND METHODS: All published manuscripts reporting the use of VMAT in a clinical setting from 2009 to November 2016 were identified...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28780190/targeting-eph-ephrin-system-in-cancer-therapy
#4
REVIEW
Alessio Lodola, Carmine Giorgio, Matteo Incerti, Ilaria Zanotti, Massimiliano Tognolini
It is well established that the Eph/ephrin system plays a central role in the embryonic development, with minor implications in the physiology of the adult. However, it is overexpressed and deregulated in a variety of tumors, with a primary involvement in tumorigenesis, tumor angiogenesis, metastasis development, and cancer stem cell regeneration. Targeting the Eph/ephrin system with biologicals, including antibodies and recombinant proteins, reduces tumor growth in animal models of hematological malignancies, breast, prostate, colon, head and neck cancers and glioblastoma...
July 18, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28730678/prognosis-following-cancer-surgery-during-holiday-periods
#5
Jesper Lagergren, Fredrik Mattsson, Pernilla Lagergren
Surgery is the mainstay curative treatment in most cancer. We aimed to test the new hypothesis that cancer surgery performed during holiday periods is associated with worse long-term prognosis than for non-holiday periods. This nationwide Swedish population-based cohort study included 228,927 patients during 1997-2014 who underwent elective resectional surgery for a cancer where the annual number of resections was over 100. The 16 eligible cancer sites were grouped into 10 cancer groups. The exposure, holiday periods, was classified as wide (14-weeks) or narrow (7-weeks)...
July 21, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28656002/angiomotin-family-members-oncogenes-or-tumor-suppressors
#6
REVIEW
Meng Lv, Yanwei Shen, Jiao Yang, Shuting Li, Biyuan Wang, Zheling Chen, Pan Li, Peijun Liu, Jin Yang
Angiomotin (Amot) family contains three members: Amot (p80 and p130 isoforms), Amot-like protein 1 (Amotl1), and Amot-like protein 2 (Amotl2). Amot proteins play an important role in tube formation and migration of endothelial cells and the regulation of tight junctions, polarity, and epithelial-mesenchymal transition in epithelial cells. Moreover, these proteins regulate the proliferation and migration of cancer cells. In most cancers, Amot family members promote the proliferation and invasion of cancer cells, including breast cancer, osteosarcoma, colon cancer, prostate cancer, head and neck squamous cell carcinoma, cervical cancer, liver cancer, and renal cell cancer...
2017: International Journal of Biological Sciences
https://www.readbyqxmd.com/read/28646886/implementation-science-for-ambulatory-care-safety-a-novel-method-to-develop-context-sensitive-interventions-to-reduce-quality-gaps-in-monitoring-high-risk-patients
#7
Kathryn M McDonald, George Su, Sarah Lisker, Emily S Patterson, Urmimala Sarkar
BACKGROUND: Missed evidence-based monitoring in high-risk conditions (e.g., cancer) leads to delayed diagnosis. Current technological solutions fail to close this safety gap. In response, we aim to demonstrate a novel method to identify common vulnerabilities across clinics and generate attributes for context-flexible population-level monitoring solutions for widespread implementation to improve quality. METHODS: Based on interviews with staff in otolaryngology, pulmonary, urology, breast, and gastroenterology clinics at a large urban publicly funded health system, we applied journey mapping to co-develop a visual representation of how patients are monitored for high-risk conditions...
June 24, 2017: Implementation Science: IS
https://www.readbyqxmd.com/read/28614979/docetaxel-induced-cardiac-respiratory-arrest-in-a-patient-with-chronic-atrial-fibrillation
#8
Mostaqul Huq, Tracie M Balvanz, Scott Mambourg
Docetaxel has been approved by the Food and Drug Administration for the treatment of many cancer types, including breast cancer, head and neck cancer, lung cancer, and prostate cancer. Many severe to life-threatening side effects (Grades 3-5) of docetaxel have been reported in clinical trials, case reports, and Food and Drug Administration Adverse Events Reporting System. These include anaphylactic reactions, febrile neutropenia, fluid retention, acute respiratory distress, pleural effusion, pneumonia, and peripheral neuropathy...
January 1, 2017: Journal of Oncology Pharmacy Practice
https://www.readbyqxmd.com/read/28606732/constitutive-and-acquired-mechanisms-of-resistance-to-immune-checkpoint-blockade-in-human-cancer
#9
Matteo Bellone, Angela Rita Elia
Cancer immunotherapy with monoclonal antibodies directed against regulatory pathways in T lymphocytes has been revolutionizing medical oncology, and the clinical success of monoclonal antibodies targeting either cytotoxic T lymphocyte antigen-4 (CTLA-4) or program death-1 (PD-1) in patients affected by melanoma, Hodgkin's lymphoma, Merkel cell carcinoma, and head and neck, bladder, renal cell or non-small cell lung cancer is way beyond the most optimistic expectation. However, immune checkpoint blockade (ICB) has failed to arrest progression in a consistent amount of patients affected by those tumors, and various histological types, including breast, colon and prostate cancer, are less sensitive to this therapeutic approach...
June 2, 2017: Cytokine & Growth Factor Reviews
https://www.readbyqxmd.com/read/28605254/impact-of-immigration-status-on-cancer-outcomes-in-ontario-canada
#10
Matthew C Cheung, Craig C Earle, Hadas D Fischer, Ximena Camacho, Ning Liu, Refik Saskin, Baiju R Shah, Peter C Austin, Simron Singh
BACKGROUND: Prior studies have documented inferior health outcomes in vulnerable populations, including racial minorities and those with disadvantaged socioeconomic status. The impact of immigration on cancer-related outcomes is less clear. METHODS: Administrative databases were linked to create a cohort of incident cancer cases (colorectal, lung, prostate, head and neck, breast, and hematologic malignancies) from 2000 to 2012 in Ontario, Canada. Cancer patients who immigrated to Canada (from 1985 onward) were compared with those who were Canadian born (or immigrated before 1985)...
July 2017: Journal of Oncology Practice
https://www.readbyqxmd.com/read/28537882/correlation-between-apparent-diffusion-coefficient-adc-and-cellularity-is-different-in-several-tumors-a-meta-analysis
#11
Alexey Surov, Hans Jonas Meyer, Andreas Wienke
The purpose of this meta-analysis was to provide clinical evidence regarding relationship between ADC and cellularity in different tumors based on large patient data.Medline library was screened for associations between ADC and cell count in different tumors up to September 2016. Only publications in English were extracted. The Preferred Reporting Items for Systematic Reviews and Meta-Analyses statement (PRISMA) was used for the research.Overall, 39 publications with 1530 patients were included into the analysis...
May 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28534824/isorhynchophylline-a-potent-plant-alkaloid-induces-apoptotic-and-anti-metastatic-effects-in-human-hepatocellular-carcinoma-cells-through-the-modulation-of-diverse-cell-signaling-cascades
#12
Hanwool Lee, Seung Ho Baek, Jong Hyun Lee, Chulwon Kim, Jeong-Hyeon Ko, Seok-Geun Lee, Arunachalam Chinnathambi, Sulaiman Ali Alharbi, Woong Mo Yang, Jae-Young Um, Gautam Sethi, Kwang Seok Ahn
Isorhynchophylline (Rhy) is an active pharmacological component of Uncaria rhynchophylla that has been reported previously to exert significant antihypertensive and neuroprotective effects. However, very little is known about its potential anti-cancer activities. This study was carried out to evaluate the anticancer effects of Rhy against various human carcinoma cell lines. We found that Rhy exhibited substantial cytotoxic effect against human hepatocellular carcinoma HepG2 cells when compared with other human carcinoma cell lines including those of lung, pancreas, prostate, head and neck, breast, multiple myeloma, brain and renal cell carcinoma...
May 19, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28489582/association-between-the-ercc2-asp312asn-polymorphism-and-risk-of-cancer
#13
REVIEW
Feifan Xiao, Jian Pu, Qiongxian Wen, Qin Huang, Qinle Zhang, Birong Huang, Shanshan Huang, Aihua Lan, Yuening Zhang, Jiatong Li, Dong Zhao, Jing Shen, Huayu Wu, Yan He, Hongtao Li, Xiaoli Yang
Cancer is the leading cause of death in economically developed countries and the second leading cause of death in developing countries. The relationship between genetic polymorphisms and the risk of cancers has been widely researched. Excision repair cross-complementing group 2 (ERCC2) gene plays important roles in the nucleotide excision repair pathway. There is contrasting evidence on the association between the ERCC2 Asp312Asn polymorphism and the risk of cancer. We conducted a comprehensive meta-analysis in order to assess the correlation between these factors...
July 18, 2017: Oncotarget
https://www.readbyqxmd.com/read/28439153/supraclavicular-metastases-from-distant-primary-solid-tumours-a-retrospective-study-of-41%C3%A2-years
#14
Keyvan Sagheb, Asina Manz, Stefan B Albrich, Katherine J Taylor, Georg Hess, Christian Walter
OBJECTIVES: Approximately 1 % of all malignant solid tumours of the head and neck area are metastases from primary tumours beneath the clavicles. The aim of this study was to analyse the distribution of primary tumours since meta-analyses might have been biased due to the usually extraordinary character of case reports. MATERIALS AND METHODS: All patient files from 1970 to 2012 from the Oral and Maxillofacial Surgery unit at a University Hospital were analysed regarding the existence of metastases to the head and neck area from distant primaries...
June 2017: Journal of Maxillofacial and Oral Surgery
https://www.readbyqxmd.com/read/28412093/non-small-cell-lung-cancer-as-a-second-primary-among-patients-with-previous-malignancy-who-is-at-risk
#15
Geena X Wu, Rebecca A Nelson, Jae Y Kim, Dan J Raz
BACKGROUND: Patients with previous malignancies could be at increased risk of non-small cell lung cancer (NSCLC). However, the extent of the risk is unknown for many cancer types; thus, it is unclear who might benefit from screening. MATERIALS AND METHODS: The Surveillance, Epidemiology, and End Results data set from 1992 to 2012 was used to identify patients with previous malignancies who received a diagnosis of NSCLC ≥ 6 months after their initial cancer diagnosis...
March 2, 2017: Clinical Lung Cancer
https://www.readbyqxmd.com/read/28410587/overview-of-cancer-incidence-and-mortality-among-people-living-with-hiv-aids-in-british-columbia-canada-implications-for-haart-use-and-nadm-development
#16
Connie G Chiu, Danielle Smith, Kate A Salters, Wendy Zhang, Steve Kanters, David Milan, Julio S G Montaner, Andy Coldman, Robert S Hogg, Sam M Wiseman
BACKGROUND: The objective of this study is to evaluate the incidence of non-AIDS defining malignancies (NADMs) among people living with HIV/AIDS (PLWHA) in British Columbia, focusing on clinical correlates, highly active antiretroviral therapy (HAART) use, and survival, in order to elucidate mechanisms for NADM development. METHODS: A retrospective population based analysis was carried out for individuals with HIV/AIDS that began their treatment between 1996 and 2008...
April 14, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28389380/etumortype-an-algorithm-of-discriminating-cancer-types-for-circulating-tumor-cells-or-cell-free-dnas-in-blood
#17
Jinfeng Zou, Edwin Wang
With the technology development on detecting circulating tumor cells (CTCs) and cell-free DNAs (cfDNAs) in blood, serum, and plasma, non-invasive diagnosis of cancer becomes promising. A few studies reported good correlations between signals from tumor tissues and CTCs or cfDNAs, making it possible to detect cancers using CTCs and cfDNAs. However, the detection cannot tell which cancer types the person has. To meet these challenges, we developed an algorithm, eTumorType, to identify cancer types based on copy number variations (CNVs) of the cancer founding clone...
April 2017: Genomics, Proteomics & Bioinformatics
https://www.readbyqxmd.com/read/28366575/timed-get-up-and-go-test-and-geriatric-8-scores-and-the-association-with-chemo-radiation-therapy-noncompliance-and-acute-toxicity-in%C3%A2-elderly-cancer-patients
#18
Judith G Middelburg, Mirjam E Mast, Maaike de Kroon, Jan J Jobsen, Tom Rozema, Huub Maas, Elizabet A Baartman, Debby Geijsen, Annija H van der Leest, Desirée J van den Bongard, Judith van Loon, Tom Budiharto, Jan Willem Coebergh, Mieke J Aarts, Henk Struikmans
PURPOSE: To investigate whether the Geriatric 8 (G8) and the Timed Get Up and Go Test (TGUGT) and clinical and demographic patient characteristics were associated with acute toxicity of radiation therapy and noncompliance in elderly cancer patients being irradiated with curative intent. METHODS AND MATERIALS: Patients were eligible if aged ≥65 years and diagnosed with breast, non-small cell lung, prostate, head and neck, rectal, or esophageal cancer, and were referred for curative radiation therapy...
July 15, 2017: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/28297289/a-dosimetric-evaluation-of-knowledge-based-vmat-planning-with-simultaneous-integrated-boosting-for-rectal-cancer-patients
#19
Hao Wu, Fan Jiang, Haizhen Yue, Sha Li, Yibao Zhang
RapidPlan, a commercial knowledge-based optimizer, has been tested on head and neck, lung, esophageal, breast, liver, and prostate cancer patients. To appraise its performance on VMAT planning with simultaneous integrated boosting (SIB) for rectal cancer, this study configured a DVH (dose-volume histogram) estimation model consisting 80 best-effort manual cases of this type. Using the model- generated objectives, the MLC (multileaf collimator) sequences of other 70 clinically approved plans were reoptimized, while the remaining parameters, such as field geometry and photon energy, were maintained...
November 2016: Journal of Applied Clinical Medical Physics
https://www.readbyqxmd.com/read/28297281/a-survey-on-table-tolerances-and-couch-overrides-in-radiotherapy
#20
Bonnie Chinsky, Rakesh Patel, Joshua Panfil, Murat Surucu, John C Roeske
The purpose of this study was to survey current departmental policies on treatment couch overrides and the values of table tolerances used clinically. A 25-question electronic survey on couch overrides and tolerances was sent to full members of the American Association of Physicists in Medicine (AAPM). The first part of the survey asked participants if table overrides were allowed at their institution, who was allowed to perform these overrides, and if imaging was required with overrides. The second part of the survey asked individuals to provide table tolerance data for the following treatment sites: brain/head and neck (H&N), lung, breast, abdomen/pelvis and prostate...
November 2016: Journal of Applied Clinical Medical Physics
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