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https://www.readbyqxmd.com/read/28915585/time-dependent-modulation-of-tumor-radiosensitivity-by-a-pan-hdac-inhibitor-abexinostat
#1
Sofia Rivera, Céline Leteur, Frédérique Mégnin, Frédéric Law, Isabelle Martins, Ioana Kloos, Stéphane Depil, Nazanine Modjtahedi, Jean Luc Perfettini, Christophe Hennequin, Eric Deutsch
Despite prominent role of radiotherapy in lung cancer management, there is an urgent need for strategies increasing therapeutic efficacy. Reversible epigenetic changes are promising targets for combination strategies using HDAC inhibitors (HDACi). Here we evaluated on two NSCLC cell lines, the antitumor effect of abexinostat, a novel pan HDACi combined with irradiation in vitro in normoxia and hypoxia, by clonogenic assays, demonstrating that abexinostat enhances radiosensitivity in a time dependent way with mean SER10 between 1...
August 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28903315/risk-assessment-models-for-genetic-risk-predictors-of-lung-cancer-using-two-stage-replication-for-asian-and-european-populations
#2
Yang Cheng, Tao Jiang, Meng Zhu, Zhihua Li, Jiahui Zhang, Yuzhuo Wang, Liguo Geng, Jia Liu, Wei Shen, Cheng Wang, Zhibin Hu, Guangfu Jin, Hongxia Ma, Hongbing Shen, Juncheng Dai
In the past ten years, great successes have been accumulated by taking advantage of both candidate-gene studies and genome-wide association studies. However, limited studies were available to systematically evaluate the genetic effects for lung cancer risk with large-scale and different ethnic populations. We systematically reviewed relevant literatures and filtered out 241 important genetic variants identified in 124 articles. A two-stage case-control study within specific subgroups was performed to assess the effects [Training set: 2,331 cases vs...
August 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28898423/iterative-volume-of-interest-based-4d-cone-beam-ct
#3
Rachael Martin, Moiz Ahmad, Geoffrey Hugo, Tinsu Pan
PURPOSE: 4D cone-beam CT (CBCT) has potential applications in soft tissue alignment and tumor motion verification at the time of radiation treatment. However, prominent streak artifacts with conventional image reconstructions have limited its clinical use and alternative reconstructions are generally too computationally expensive for the time available. We propose an iterative volume of interest based (I4D VOI) reconstruction technique, where 4D reconstruction is only performed within a VOI, to limit streak artifacts with limited added computation time...
September 12, 2017: Medical Physics
https://www.readbyqxmd.com/read/28881856/strategies-targeting-angiogenesis-in-advanced-non-small-cell-lung-cancer
#4
REVIEW
Jun Wang, Jianpeng Chen, Yan Guo, Baocheng Wang, Huili Chu
Tumor angiogenesis is a frequent event in the development and progression of non-small cell lung cancer (NSCLC) and has been identified as a promising therapeutic target. The vascular endothelial growth factor (VEGF) family and other angiogenic factors, including fibroblast growth factor and platelet-derived growth factor, promote the growth of newly formed vessels from preexisting vessels and change the tumor microenvironment. To date, two antiangiogenic monoclonal antibodies, bevacizumab and ramucirumab, which target VEGF-A and its receptor VEGF receptor-2, respectively, have been approved for the treatment of locally advanced or metastatic NSCLC when added to first-line standard chemotherapy...
August 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28874897/oral-chinese-herbal-medicine-as-maintenance-treatment-after-chemotherapy-for-advanced-non-small-cell-lung-cancer-a-systematic-review-and-meta-analysis
#5
Q Wang, Q Wang, S F Wang, L J Jiao, R X Zhang, Y Zhong, J Zhang, L Xu
BACKGROUND: The concept of maintenance therapy in cancer treatment is currently under debate because of modest survival benefits, added toxicity, economic considerations, and quality-of-life concerns. Traditional Chinese Medicine (tcm) is widely used in China for cancer patients, offering the advantages of low toxicity and enhancement of quality of life. However, no systematic reviews or meta-analyses have assessed the role of tcm as maintenance treatment for non-small-cell lung carcinoma...
August 2017: Current Oncology
https://www.readbyqxmd.com/read/28872442/added-value-of-computer-aided-ct-image-features-for-early-lung-cancer-diagnosis-with-small-pulmonary-nodules-a-matched-case-control-study
#6
Peng Huang, Seyoun Park, Rongkai Yan, Junghoon Lee, Linda C Chu, Cheng T Lin, Amira Hussien, Joshua Rathmell, Brett Thomas, Chen Chen, Russell Hales, David S Ettinger, Malcolm Brock, Ping Hu, Elliot K Fishman, Edward Gabrielson, Stephen Lam
Purpose To test whether computer-aided diagnosis (CAD) approaches can increase the positive predictive value (PPV) and reduce the false-positive rate in lung cancer screening for small nodules compared with human reading by thoracic radiologists. Materials and Methods A matched case-control sample of low-dose computed tomography (CT) studies in 186 participants with 4-20-mm noncalcified lung nodules who underwent biopsy in the National Lung Screening Trial (NLST) was selected. Variables used for matching were age, sex, smoking status, chronic obstructive pulmonary disease status, body mass index, study year of the positive screening test, and screening results...
September 5, 2017: Radiology
https://www.readbyqxmd.com/read/28871252/development-and-characterization-of-a-camelid-single-domain-antibody-urease-conjugate-that-targets-vascular-endothelial-growth-factor-receptor-2
#7
Baomin Tian, Wah Yau Wong, Marni D Uger, Pawel Wisniewski, Heman Chao
Angiogenesis is the process of new blood vessel formation and is essential for a tumor to grow beyond a certain size. Tumors secrete the pro-angiogenic factor vascular endothelial growth factor, which acts upon local endothelial cells by binding to vascular endothelial growth factor receptors (VEGFRs). In this study, we describe the development and characterization of V21-DOS47, an immunoconjugate that targets VEGFR2. V21-DOS47 is composed of a camelid single domain anti-VEGFR2 antibody (V21) and the enzyme urease...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28870050/-survey-of-current-status-of-prevention-of-venous-thromboembolism-after-thoracic-surgery-in-china
#8
C F Song, H Li, B Tian, S Chen, J B Miao, Y L Fu, B You, B Hu
Objective: To investigate the current status of prevention and treatment of venous thromboembolism (VTE) after thoracic surgery in China. Method: Chinese thoracic surgeons were investigated by the online questionnaire which was based on the Chinese version of International VTE questionnaire added with 6 extra questions with Chinese characteristics. Results: A total of 1 150 valid questionnaires were retrieved, accounting for about 20% of all the Chinese thoracic surgeons. The surgeons participating in this survey came from all over the country, most of whom were experienced professionals with high academic titles...
September 1, 2017: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/28863179/the-feasibility-of-a-heart-block-with-an-electron-compensation-as-an-alternative-whole-breast-radiotherapy-technique-in-patients-with-underlying-cardiac-or-pulmonary-disease
#9
Hye Jin Kang, Shin-Wook Kim, Seok Hyun Son
PURPOSE: We aimed to evaluate the feasibility of the heart block with electron compensation (HBE) technique, based on three-dimensional conformal radiotherapy (3D-CRT) in left-sided breast cancer patients with underlying cardiac or pulmonary disease. METHODS: Twenty patients with left-sided breast cancer who were treated with whole breast radiotherapy (WBRT) were included in this study. Intensity-modulated radiotherapy (IMRT), 3D-CRT, and HBE treatment plans were generated for each patient...
2017: PloS One
https://www.readbyqxmd.com/read/28862214/respiratory-cancer-database-an-open-access-database-of-respiratory-cancer-gene-and-mirna
#10
Jyotsna Choubey, Jyoti Kant Choudhari, Ashish Patel, Mukesh Kumar Verma
AIMS: Respiratory cancer database (RespCanDB) is a genomic and proteomic database of cancer of respiratory organ. It also includes the information of medicinal plants used for the treatment of various respiratory cancers with structure of its active constituents as well as pharmacological and chemical information of drug associated with various respiratory cancers. MATERIALS AND METHODS: Data in RespCanDB has been manually collected from published research article and from other databases...
July 2017: Journal of Cancer Research and Therapeutics
https://www.readbyqxmd.com/read/28854991/validation-and-incidence-of-community-acquired-pneumonia-in-patients-with-type-2-diabetes-in-the-bifap-database
#11
L C Saiz, J Garjón, J Gorricho, J Erviti, M J Gil-García, E Martín-Merino
Oral anti-diabetic drugs (OADs) have been associated with community-acquired pneumonia (CAP). We aimed to validate the recording of CAP in the Spanish Database for Pharmacoepidemiological Research in Primary Care (BIFAP) for the future evaluation of OAD-CAP association. The incidence rate (IR/1000 person-years) of CAP in type 2 diabetes mellitus (T2DM) was also determined. In total, 2966 pneumonia records (2040 listed as diagnosis and 926 as identified from comments added by physicians) were identified from 76 009 patients with T2DM after the first OAD in 2002-2013...
August 31, 2017: Epidemiology and Infection
https://www.readbyqxmd.com/read/28842255/cyclin-dependent-kinase-5-controls-vasculogenic-mimicry-formation-in-non-small-cell-lung-cancer-via-the-fak-akt-signaling-pathway
#12
Xiaoshu Zhou, Runxia Gu, Xiaoming Han, Gang Wu, Junli Liu
Vasculogenic mimicry (VM), an endothelial-independent tumor vascularization phenomenon representing functional tumor plasticity, might be the culprit behind the poor clinical outcome in classic antiangiogenesis treatment. However, the mechanism underlying VM needs to be elucidated. Cyclin-dependent kinase 5 (CDK5) has been recognized as a key factor in regulating migration and neuronal plasticity. Recently, CDK5 was associated with tumor migration and invasion and its expression levels correlated with poor clinical prognosis, indicating its important role in tumor cell plasticity...
August 24, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28840553/the-role-of-nitric-oxide-from-neurological-disease-to-cancer
#13
Ahmed Maher, Mohamed F Abdel Rahman, Mohamed Z Gad
Until the beginning of the 1980s, nitric oxide (NO) was just a toxic molecule of a lengthy list of environmental pollutants such as cigarette smoke and smog. In fact, NO had a very bad reputation of being destroyer of ozone, suspected carcinogen and precursor of acid rain. However, by the early 1990s it was well recognized by the medical research community. Over the last two decades, the picture has been totally changed. Diverse lines of evidence have converged to show that this sometime poison is a fundamental player in the everyday business of the human body...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28833119/the-clinical-value-of-combination-of-immune-checkpoint-inhibitors-in-cancer-patients-a-meta-analysis-of-efficacy-and-safety
#14
Yingcheng Wu, Hui Shi, Maorong Jiang, Mingyan Qiu, Keren Jia, Tianyue Cao, Yujuan Shang, Lili Shi, Kui Jiang, Huiqun Wu
The use of immune checkpoint inhibitors (ICIs) in combination therapy is an emerging trend in tumor immunology. However, the value of combination immunotherapy remains controversial, because of the toxic effects induced by combination. The added benefit of each additional drug has not been assessed against the added toxicity. We searched for clinical trials that evaluated ICI monotherapies and combination therapies in lung cancer and melanoma patients. The overall response rate (ORR), grade 3/4 treatment-related adverse event rate, overall survival (OS), and progression-free survival (PFS) were extracted from the most recently published studies to determine the relative risk (RR), hazard ratios (HRs), and 95% confidence intervals (CIs)...
August 22, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28831395/elevated-foxp3-cd8-ratio-in-lung-adenocarcinoma-metastatic-lymph-nodes-resected-by-transcervical-extended-mediastinal-lymphadenectomy
#15
Joanna Domagala-Kulawik, Iwona Kwiecien, Juliusz Pankowski, Monika Pasieka-Lis, Dominika Wolosz, Marcin Zielinski
A balance between tumor invasion and immune defence system is widely investigated. Objective. The aim of this study was to evaluate lymphocyte phenotype in lymph nodes (LNs) of patients with lung cancer in relation to the presence of metastases. Methods. We investigated 364 LNs resected by transcervical extended mediastinal lymphadenectomy (TEMLA) of 49 patients with squamous cell carcinoma (SCC) or adenocarcinoma (AD) with (A) and without metastases (B). Expression of CD4, CD8, CD25, CTLA-4, and Foxp3 was assessed by immunohistochemical staining...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28830225/quality-assurance-and-quantitative-imaging-biomarkers-in-low-dose-ct-lung-cancer-screening
#16
Chara E Rydzak, Samuel G Armato, Ricardo S Avila, James L Mulshine, David F Yankelevitz, David S Gierada
After years of assessment through controlled clinical trials, low-dose CT screening for lung cancer is becoming part of clinical practice. As with any cancer screening test, those undergoing lung cancer screening are not being evaluated for concerning signs or symptoms, but are generally in good health and proactively trying to prevent premature death. Given the resultant obligation to achieve the screening aim of early diagnosis while also minimizing the potential for morbidity from workup of indeterminate but ultimately benign screening abnormalities, careful implementation of screening with conformance to currently recognized best practices and a focus on quality assurance is essential...
August 22, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28818607/potential-impact-of-including-time-to-first-cigarette-into-risk-models-for-selecting-ever-smokers-for-lung-cancer-screening
#17
Fangyi Gu, Li C Cheung, Neal D Freedman, Hormuzd A Katki, Neil E Caporaso
BACKGROUND: Selecting individuals based on model-predicted risks has been reported to improve lung cancer screening efficiency. Time-to-first-cigarette (TTFC), a nicotine dependency measurement, has been a strong independent lung-cancer risk predictor, based on case-control studies. AIMS: To verify the TTFC-lung cancer association in the prospective National Lung Screening Trial (NLST), and evaluate whether adding TTFC can improve lung-cancer risk-prediction models...
August 14, 2017: Journal of Thoracic Oncology
https://www.readbyqxmd.com/read/28818019/pembrolizumab-in-the-treatment-of-metastatic-non-small-cell-lung-cancer-a-review-of-current-evidence
#18
Karim Rihawi, Francesco Gelsomino, Francesca Sperandi, Barbara Melotti, Michelangelo Fiorentino, Laura Casolari, Andrea Ardizzoni
Immune checkpoint inhibitors (ICPIs) are considered one of the most important breakthroughs in cancer treatment of the past decade; notably, different studies of programmed cell death protein 1 (PD-1) and programmed death-ligand 1 (PD-L1) inhibitors have reported impressive clinical activity and durable responses in patients with advanced non-small cell lung cancer (NSCLC). These findings have led to the changing of the current therapeutic algorithm of advanced NSCLC, adding a new standard first-line treatment option for patients with PD-L1-positive tumors...
August 1, 2017: Therapeutic Advances in Respiratory Disease
https://www.readbyqxmd.com/read/28811618/assessment-of-the-role-of-ageing-and-non-ageing-factors-in-death-from-non-communicable-diseases-based-on-a-cumulative-frequency-model
#19
Liu Hui
To quantify the effects of ageing and non-ageing factors, a characterization of the effects of ageing, genetic, and exogenous variables on 12 major non-communicable diseases was evaluated using a model assessing cumulative frequency of death and survival by age group from dead and surviving populations based on mortality statistics. Indices (0-1) of the roles of ageing (ARD), genetics (GRD) and exogenous (ERD) variables in deaths due to disease were established, and the sum of ARD, GRD and ERD was 1 (value of each indices was <1)...
August 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28801607/enhancing-nk-cell-mediated-cytotoxicity-to-cisplatin-resistant-lung-cancer-cells-via-mek-erk-signaling-inhibition
#20
Li Yang, MingJing Shen, Li Jun Xu, Xiaodong Yang, Ying Tsai, Peter C Keng, Yuhchyau Chen, Soo Ok Lee
Major progress has been made clinically in inhibiting the programmed death receptor 1 (PD-1)/PD-L1 interaction to enhance T cell-mediated immune function, yet the effectiveness of anti-PD-L1/PD-1 agents in enhancing natural killer (NK) cell's function remains largely unknown. Susceptibilities of cisplatin-resistant A549CisR and H157CisR cells vs. parental cells to the cytotoxic action of NK cells were examined. We found cisplatin-resistant cells more resistant to NK cell cytotoxicity than parental cells. There were constitutively higher expressions of PD-L1 in A549CisR and H157CisR cells than in parental cells in vitro, as well as in H157CisR cell-derived tumors than H157P cell-derived tumors...
August 11, 2017: Scientific Reports
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