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https://www.readbyqxmd.com/read/28330089/discovery-of-potential-alk-inhibitors-by-virtual-screening-approach
#1
Anish Kumar, V Shanthi, K Ramanathan
Crizotinib is an anticancer drug used for the treatment of non-small cell lung cancer. Evidences available suggest that there is a development of an acquired resistance against crizotinib action due to the emergence of several mutations in the ALK gene. It is therefore necessary to develop potent anti-cancer drugs for the treatment of crizotinib resistance non-small cell lung cancer types. In the present study, a novel class of lead molecule was identified using virtual screening, molecular docking and molecular dynamic approach...
June 2016: 3 Biotech
https://www.readbyqxmd.com/read/28329255/resection-rate-and-operability-of-elderly-patients-with-non-small-cell-lung-cancer-nationwide-study-from-1991-to-2014
#2
Kristjan Baldvinsson, Gudrun Nina Oskarsdottir, Andri Wilberg Orrason, Hannes Halldorsson, Hunbogi Thorsteinsson, Martin Ingi Sigurdsson, Steinn Jonsson, Tomas Gudbjartsson
OBJECTIVES: An increasing number of elderly patients are diagnosed with non-small cell lung cancer (NSCLC). We compared the surgical resection rate, operability and survival in this age group (≥75 years) to younger patients using centralized databases in Iceland. METHODS: The study population comprised all patients diagnosed with NSCLC in Iceland from 1991 to 2014. A total of 140 elderly patients (≥75 years) with NSCLC underwent pulmonary resection and were compared with 550 surgically resected patients less than 75 years, with respect to resection rate, short and long-term survival and complications of surgery...
January 31, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28329160/maternal-microchimerism-predicts-increased-infection-but-decreased-disease-due-to-p-falciparum-during-early-childhood
#3
Whitney E Harrington, Sami B Kanaan, Atis Muehlenbachs, Robert Morrison, Philip Stevenson, Michal Fried, Patrick E Duffy, J Lee Nelson
BACKGROUND: A mother's infection with placental malaria (PM) can affect her child's susceptibility to malaria, although the mechanism remains unclear. The fetus acquires a small amount of maternal cells and DNA known as maternal microchimerism (MMc), and we hypothesized that PM increases MMc and that MMc alters risk of P. falciparum malaria during infancy. METHODS: In a nested cohort from Muheza, Tanzania, we evaluated the presence and level of cord blood MMc in offspring of women with and without PM...
March 15, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28329143/epidermal-growth-factor-receptor-mutations-are-linked-to-skip-n2-lymph-node-metastasis-in-resected-non-small-cell-lung-cancer-adenocarcinomas%C3%A2
#4
Francesco Guerrera, Stéphane Renaud, Fabrizio Tabbó, Anne-Claire Voegeli', Pier Luigi Filosso, Michèle Legrain, Monica Boita, Mickaël Schaeffer, Michèle Beau-Faller, Enrico Ruffini, Pierre-Emmanuel Falcoz, Giorgio Inghirami, Alberto Oliaro, Gilbert Massard
OBJECTIVES: The impact of skip N2 metastases (i.e. N2 lymph node metastases without N1) on survival in surgically resected non-small lung cancer remains an intriguing and rarely investigated topic. The goal of our study was to elucidate (i) skip N2 influence on overall survival (OS) and time to recurrence (TTR) in patients with resected lung adenocarcinoma and (ii) its link with epidermal growth factor receptor ( EGFR ) and v-Ki-ras2 Kirsten rat sarcoma viral oncogene homolog ( KRAS ) mutations...
December 15, 2016: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/28328117/noonan-syndrome-ptpn11-mutations-and-brain-tumors-a-clinical-report-and-review-of-the-literature
#5
Aurore Siegfried, Claude Cances, Marie Denuelle, Najat Loukh, Maïté Tauber, Hélène Cavé, Marie-Bernadette Delisle
Noonan syndrome (NS), an autosomal dominant disorder, is characterized by short stature, congenital heart defects, developmental delay, and facial dysmorphism. PTPN11 mutations are the most common cause of NS. PTPN11 encodes a non-receptor protein tyrosine phosphatase, SHP2. Hematopoietic malignancies and solid tumors are associated with NS. Among solid tumors, brain tumors have been described in children and young adults but remain rather rare. We report a 16-year-old boy with PTPN11-related NS who, at the age of 12, was incidentally found to have a left temporal lobe brain tumor and a cystic lesion in the right thalamus...
April 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/28327984/more-valuable-than-platinum-first-line-pembrolizumab-in-advanced-stage-non-small-cell-lung-cancer
#6
T Zou, M M Awad
No abstract text is available yet for this article.
February 27, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28327934/pazopanib-or-placebo-in-completely-resected-stage-i-nsclc-patients-results-of-the-phase-ii-ifct-0703-trial
#7
B Besse, J Mazières, L Ribassin-Majed, F Barlesi, J Bennouna, R Gervais, L Moreau, H Berard, D Debieuvre, O Molinier, D Moro-Sibilot, P J Souquet, S Jacquot, L Petit, H Lena, J P Pignon, B Lacas, F Morin, B Milleron, G Zalcman, J C Soria
Background: Adjuvant treatment in resected stage I non-small cell lung cancer (NSCLC) is generally not recommended. Pazopanib is an oral tyrosine kinase inhibitor of VEGFR-1/2/3 and PDGFR-α/β. We explored the feasibility and efficacy of adjuvant pazopanib in this population. Patients and methods: In this double-blind phase II/III trial, patients with resected stage I NSCLC were randomized to placebo or pazopanib 800 mg/d (P800) for 6 months with a two-step Fleming design...
February 23, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28327923/heart-dose-exposure-as-prognostic-marker-after-radiotherapy-for-resectable-stage-iiia-b-non-small-cell-lung-cancer-secondary-analysis-of-a-randomised-trial
#8
M Guberina, W Eberhardt, M Stuschke, T Gauler, F Heinzelmann, D Cheufou, M Kimmich, G Friedel, H Schmidberger, K Darwiche, V Jendrossek, M Schuler, G Stamatis, C Pöttgen
BACKGROUND: Heart exposure to ionizing irradiation can cause ischemic heart disease. The partial heart volume receiving ≥5 Gy (heartV5) was supposed to be an independent prognostic factor for survival after radiochemotherapy for locally advanced non-small cell lung cancer (NSCLC). But validation of the latter hypothesis is needed under the concurrent risks of lung cancer patients. PATIENTS AND METHODS: The ESPATUE phase III trial recruited patients with potentially operable IIIA(N2)/selected IIIB NSCLC between 01/2004 and 01/2013...
February 21, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28327787/overexpression-of-mir-484-and-mir-744-in-vero-cells-alters-dengue-virus-replication
#9
Juan Camilo Castrillón-Betancur, Silvio Urcuqui-Inchima
BACKGROUND: Dengue is considered one of the world's most important mosquito-borne diseases. MicroRNAs (miRNAs) are small non-coding single-stranded RNAs that play an important role in the regulation of gene expression in eukaryotes. Although miRNAs possess antiviral activity against many mammalian-infecting viruses, their involvement in Dengue virus (DENV) replication remains poorly understood. OBJECTIVE: To determine the role of miR-484 and miR-744 in DENV infection and to examine whether DENV infection alters the expression of both miRNAs...
April 2017: Memórias do Instituto Oswaldo Cruz
https://www.readbyqxmd.com/read/28327735/reverse-micelle-based-water-soluble-nanoparticles-for-simultaneous-bioimaging-and-drug-delivery
#10
Ying Chen, Yong Liu, Yongchao Yao, Shiyong Zhang, Zhongwei Gu
With special confined water pools, reverse micelles (RMs) have shown potential for a wide range of applications. However, the inherent water-insolubility of RMs hinders their further application prospects, especially for applications related to biology. We recently reported the first successful transfer of RMs from organic media to an aqueous phase without changing the smart water pools by the hydrolysis of an arm-cleavable interfacial cross-linked reverse micelles. Herein, we employed another elaborate amphiphile 1 to construct new acrylamide-based cross-linked water-soluble nanoparticles (ACW-NPs) under much gentler conditions...
March 22, 2017: Organic & Biomolecular Chemistry
https://www.readbyqxmd.com/read/28326837/checkpoint-inhibitors-in-the-treatment-of-brain-metastases-of-non-small-cell-lung-cancer-and-melanoma
#11
Hampig Raphael Kourie, Hassan Kanaan, Gil Awada, Ahmad Hussein Awada
Brain metastases (BMs) are representing a new challenge for the oncologist; their incidence is increasing due to the better overall survival and systemic disease control in many malignancies, consequent to new potent cytotoxic and targeted therapies. In the era of immunotherapies, checkpoint inhibitors are representing a new therapeutic option in different solid tumors and settings; preliminary results showed potential activity of these agents in patients with BM, when administered as single agent or in combination with radiation therapy...
February 28, 2017: Future Oncology
https://www.readbyqxmd.com/read/28326832/nintedanib-plus-docetaxel-as-second-line-therapy-in-patients-with-non-small-cell-lung-cancer-of-adenocarcinoma-histology-a-network-meta-analysis-vs-new-therapeutic-options
#12
Sanjay Popat, Anders Mellemgaard, Martin Reck, Claudia Hastedt, Ingolf Griebsch
PATIENTS & METHODS: We provide an update to a network meta-analysis evaluating the relative efficacy of nintedanib + docetaxel versus other second-line agents in adenocarcinoma histology non-small-cell lung cancer. RESULTS: Overall similarity of nintedanib + docetaxel versus ramucirumab + docetaxel, and versus nivolumab. Comparing nintedanib + docetaxel with nivolumab, hazards ratio (HR) of overall survival and progression-free survival (PFS) pointed in opposite directions (overall survival: HR: 1...
February 27, 2017: Future Oncology
https://www.readbyqxmd.com/read/28325835/picomolar-selective-and-subtype-specific-small-molecule-inhibition-of-trpc1-4-5-channels
#13
Hussein N Rubaiy, Melanie J Ludlow, Matthias Henrot, Hannah J Gaunt, Katarina Miteva, Sin Yin Cheung, Yasuyuki Tanahashi, Nurasyikin Hamzah, Katie E Musialowski, Nicola M Blythe, Hollie L Appleby, Marc A Bailey, Lynn McKeown, Roger Taylor, Richard Foster, Herbert Waldmann, Peter Nussbaumer, Mathias Christmann, Robin S Bon, Katsuhiko Muraki, David J Beech
The concentration of free cytosolic Ca(2+) and the voltage across the plasma membrane are major determinants of cell function. Ca(2+)-permeable non-selective cationic channels are known to regulate these parameters but understanding of these channels remains inadequate. Here we focus on Transient Receptor Potential Canonical 4 and 5 proteins (TRPC4 and TRPC5) which assemble as homomers or heteromerize with TRPC1 to form Ca(2+)-permeable non-selective cationic channels in many mammalian cell types. Multiple roles have been suggested including in epilepsy, innate fear, pain and cardiac remodeling but limitations in tools to probe these channels have restricted progress...
March 21, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28325292/sirna-encapsulated-hybrid-nanoparticles-target-mutant-k-ras-and-inhibit-metastatic-tumor-burden-in-a-mouse-model-of-lung-cancer
#14
Maryna Perepelyuk, Olubunmi Shoyele, Ruth Birbe, Chellappagounder Thangavel, Yi Liu, Robert B Den, Adam E Snook, Bo Lu, Sunday A Shoyele
There is an unmet need in the development of an effective therapy for mutant K-ras-expressing non-small-cell lung cancer (NSCLC). Although various small molecules have been evaluated, an effective therapy remains a dream. siRNAs have the potential to downregulate mutant K-ras both at the protein and mRNA levels. However, a safe and effective delivery of siRNAs to tumors remains a limitation to their translational application in the treatment of this highly debilitating disease. Here we developed a novel hybrid nanoparticle carrier for effective delivery of anti-mutant K-ras to NSCLC (AKSLHN)...
March 17, 2017: Molecular Therapy. Nucleic Acids
https://www.readbyqxmd.com/read/28325266/stage-i-small-cell-lung-cancer-a-new-potential-option-for-stereotactic-ablative-radiation-therapy-a-review-of-literature
#15
REVIEW
Filippo Alongi, Stefano Arcangeli, Berardino De Bari, Niccolò Giaj-Levra, Alba Fiorentino, Rosario Mazzola, Marco Trovò
Small cell lung cancer (SCLC) is relative rare histology in lung cancer patients. The standard treatment, in patients with an intra-thoracic disease, is represented by the use of concurrent chemo-radiotherapy; while patients with early SCLC stage, surgical resection could be recommended. Stereotactic body radiotherapy (SBRT) is a recently introduced technique allowing the delivery of very high radiation doses to limited target volumes and it is considered the standard approach in the treatment of not operable stage I Non Small-Cell Lung Cancer (NSCLC)...
April 2017: Critical Reviews in Oncology/hematology
https://www.readbyqxmd.com/read/28325129/lobectomy-for-non-small-cell-lung-carcinoma-a-nationwide-study-of-short-and-long-term-survival
#16
G N Oskarsdottir, H Halldorsson, M I Sigurdsson, B M Fridriksson, K Baldvinsson, A W Orrason, S Jonsson, M Planck, T Gudbjartsson
INTRODUCTION: Lobectomy is the standard curative treatment for non-small cell carcinoma (NSCLC) of the lung. Most studies on lobectomy have focused on short-term outcome and 30-day mortality. The aim of this study was to determine both short-term and long-term surgical outcome in all patients who underwent lobectomy for NSCLC in Iceland over a 24-year period. MATERIAL AND METHODS: The study involved 489 consecutive patients with NSCLC who underwent lobectomy with curative intent in Iceland, 1991-2014...
March 21, 2017: Acta Oncologica
https://www.readbyqxmd.com/read/28325074/lobectomy-for-lung-cancer-by-video-assisted-thoracic-surgery-in-situs-inversus
#17
Abdillah N Juma, Yan-Qing Wang, Yun Chen, Xiong Peng, Yuan Zhou, Wei Zhuang
A 62-year-old man with situs inversus totalis and non-small-cell lung cancer underwent a right lower lobectomy by video-assisted thoracoscopic surgery. Lobectomy in a situs inversus totalis patient can be performed safely using this minimally invasive procedure. Preoperative evaluation of the pulmonary artery and veins by three-dimensional computed tomography and the bronchial tree by bronchoscopy, is essential to avoid unanticipated complications during the procedure.
March 2017: Asian Cardiovascular & Thoracic Annals
https://www.readbyqxmd.com/read/28324888/aldo-keto-reductases-are-biomarkers-of-nrf2-activity-and-are-co-ordinately-overexpressed-in-non-small-cell-lung-cancer
#18
A Kenneth MacLeod, Lourdes Acosta-Jimenez, Philip J Coates, Michael McMahon, Frank A Carey, Tadashi Honda, John D Hayes, Colin J Henderson, C Roland Wolf
No abstract text is available yet for this article.
March 21, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28324594/polymers-in-the-delivery-of-sirna-for-the-treatment-of-virus-infections
#19
REVIEW
Nicholas Reynolds, Megan Dearnley, Tracey M Hinton
Viral diseases remain a major cause of death worldwide. Despite advances in vaccine and antiviral drug technology, each year over three million people die from a range of viral infections. Predominant viruses include human immunodeficiency virus, hepatitis viruses, and gastrointestinal and respiratory viruses. Now more than ever, robust, easily mobilised and cost-effective antiviral strategies are needed to combat both known and emerging disease threats. RNA interference and small interfering (si)RNAs were initially hailed as a "magic bullet", due to their ability to inhibit the synthesis of any protein via the degradation of its complementary messenger RNA sequence...
April 2017: Topics in Current Chemistry (Journal)
https://www.readbyqxmd.com/read/28323930/%C3%AE-cells-persist-in-t1d-pancreata-without-evidence-for-ongoing-%C3%AE-cell-turnover-or-neogenesis
#20
Carol J Lam, Daniel R Jacobson, Matthew M Rankin, Aaron R Cox, Jake A Kushner
Context: The cellular basis of persistent β-cell function in T1D remains enigmatic. No extensive quantitative β-cell studies of T1D pancreata have been performed to test for ongoing β-cell regeneration or neogenesis. Objective: We sought to determine the mechanism of β-cell persistence in T1D pancreata. Design: We studied T1D (n=47) and non-diabetic control (n=59) pancreata over a wide range of ages from the JDRF Network of Pancreatic Organ donors with Diabetes (nPOD) via high throughput microscopy...
February 27, 2017: Journal of Clinical Endocrinology and Metabolism
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