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https://www.readbyqxmd.com/read/28641100/bruton-s-tyrosine-kinase-btk-as-a-promising-target-in-solid-tumors
#1
REVIEW
J Molina-Cerrillo, T Alonso-Gordoa, P Gajate, E Grande
Bruton's tyrosine kinase (BTK) is a non-receptor intracellular kinase that belongs to the TEC-family tyrosine kinases together with bone marrow-expressed kinase (BMX), redundant-resting lymphocyte kinase (RLK), and IL-2 inducible T-Cell kinase (ITK). All these proteins play a key role in the intracellular signaling of both B and T lymphocytes. Recently, some preclinical data have demonstrated that BTK is present in certain tumor subtypes and in other relevant cells that are contributing to the tumor microenvironment such as dendritic cells, macrophages, myeloid derived suppressor cells and endothelial cells...
June 9, 2017: Cancer Treatment Reviews
https://www.readbyqxmd.com/read/28640941/phox2b-reliably-distinguishes-neuroblastoma-among-small-round-blue-cell-tumors
#2
Yin P Hung, John P Lee, Andrew M Bellizzi, Jason L Hornick
AIMS: Neuroblastoma shows considerable histologic overlap with other small round blue cell tumors. PHOX2B, a transcription factor essential for autonomic nervous system development, has been reported as an immunohistochemical marker for neuroblastoma. The purpose of this study was to validate the specificity and diagnostic utility of PHOX2B for peripheral neuroblastic tumors. METHODS AND RESULTS: We evaluated 240 cases (133 in whole-tissue sections; 107 in tissue microarrays), including 76 peripheral neuroblastic tumors [median age 2 years; including 4 adults] and 164 other tumors: 44 Wilms tumors; 20 Ewing sarcomas; 10 each CIC-rearranged round cell sarcomas, poorly differentiated synovial sarcomas, lymphoblastic lymphomas, alveolar rhabdomyosarcomas, embryonal rhabdomyosarcomas, mesenchymal chondrosarcomas, Merkel cell carcinomas, olfactory neuroblastomas, and melanomas; 5 each NUT midline carcinomas and desmoplastic small round cell tumors...
June 22, 2017: Histopathology
https://www.readbyqxmd.com/read/28640897/impact-of-selected-non-steroidal-anti-inflammatory-pharmaceuticals-on-microbial-community-assembly-and-activity-in-sequencing-batch-reactors
#3
Cong Jiang, Jinju Geng, Haidong Hu, Haijun Ma, Xingsheng Gao, Hongqiang Ren
This study covers three widely detected non-steroidal anti-inflammatory pharmaceuticals (NSAIDs), diclofenac (DCF), ibuprofen (IBP) and naproxen (NPX), as NSAIDs pollutants. The objective is to evaluate the impact of NSAIDs at their environmental concentrations on microbial community assembly and activity. The exposure experiments were conducted under three conditions (5 μg L-1 DCF, 5 μg L-1 DCF+5 μg L-1 IBP and 5 μg L-1 DCF+5 μg L-1 IBP+ 5 μg L-1 NPX) in sequencing batch reactors (SBRs) for 130 days...
2017: PloS One
https://www.readbyqxmd.com/read/28640869/development-of-an-automated-size-based-filtration-system-for-isolation-of-circulating-tumor-cells-in-lung-cancer-patients
#4
Satomi Yagi, Yasuhiro Koh, Hiroaki Akamatsu, Kuninobu Kanai, Atsushi Hayata, Nahomi Tokudome, Keiichiro Akamatsu, Katsuya Endo, Seita Nakamura, Masayuki Higuchi, Hisashige Kanbara, Masanori Nakanishi, Hiroki Ueda, Nobuyuki Yamamoto
Circulating tumor cells (CTCs), defined as tumor cells circulating in the peripheral blood of patients with solid tumors, are relatively rare. Diagnosis using CTCs is expected to help in the decision-making for precision cancer medicine. We have developed an automated microcavity array (MCA) system to detect CTCs based on the differences in size and deformability between tumor cells and normal blood cells. Herein, we evaluated the system using blood samples from non-small-cell lung cancer (NSCLC) and small-cell lung cancer (SCLC) patients...
2017: PloS One
https://www.readbyqxmd.com/read/28640744/ictv-virus-taxonomy-profile-polyomaviridae
#5
Ugo Moens, Sébastien Calvignac-Spencer, Chris Lauber, Torbjörn Ramqvist, Mariet C W Feltkamp, Matthew D Daugherty, Ernst J Verschoor, Bernhard Ehlers, Ictv Report Consortium
The Polyomaviridae is a family of small, non-enveloped viruses with circular dsDNA genomes of approximately 5 kbp. The family includes four genera whose members have restricted host range, infecting mammals and birds. Polyomavirus genomes have also been detected recently in fish. Merkel cell polyomavirus and raccoon polyomavirus are associated with cancer in their host; other members are human and veterinary pathogens. Clinical manifestations are obvious in immunocompromised patients but not in healthy individuals...
June 22, 2017: Journal of General Virology
https://www.readbyqxmd.com/read/28640690/a-new-layer-of-rrna-regulation-by-small-interference-rnas-and-the-nuclear-rnai-pathway
#6
Xufei Zhou, Xiangyang Chen, Yun Wang, Xuezhu Feng, Shouhong Guang
Ribosome biogenesis drives cell growth and proliferation, but mechanisms that modulate this process remain poorly understood. For a long time, small ribosomal RNA sequences have been widely treated as non-specific degradation products and neglected as garbage sequences. Recently, we identified a new class of antisense ribosomal siRNAs (risiRNAs) that downregulate pre-rRNA through the nuclear RNAi pathway in C. elegans. risiRNAs exhibit sequence characteristics similar to 22G RNA while complement to 18S and 26S rRNA...
June 22, 2017: RNA Biology
https://www.readbyqxmd.com/read/28640671/regulation-of-a-muralytic-enzyme-encoding-gene-by-two-non-coding-rnas
#7
Renée J St-Onge, Marie A Elliot
Non-coding regulatory RNAs fine-tune gene expression post-transcriptionally. In the streptomycetes, rpfA - encoding a muralytic enzyme required for establishing and exiting dormancy - is flanked by non-coding regulatory RNA elements both upstream (riboswitch) and downstream [antisense small RNA (sRNA)]. In Streptomyces coelicolor, the upstream riboswitch decreases rpfA transcript abundance in response to the second messenger cyclic di-AMP, itself involved in cell wall metabolism and dormancy. There is, however, no obvious expression platform associated with this riboswitch and consequently, its mechanism of action is entirely unknown...
June 22, 2017: RNA Biology
https://www.readbyqxmd.com/read/28640578/the-insect-analogue-to-the-lotus-leaf-a-planthopper-wing-membrane-incorporating-a-low-adhesion-non-wetting-superhydrophobic-bactericidal-and-biocompatible-surface
#8
Gregory Shaun Watson, David W Green, Bronwen W Cribb, Christopher Leslie Brown, Christopher Merritt, Mark James Tobin, Jitraporn Vongsvivut, Ming-Xia Sun, Alping Liang, Jolanta Anna Watson
Nature has produced many intriguing and spectacular surfaces at the micro and nanoscales. These small surface decorations act for a singular or, in most cases, a range of functions. The minute landscape found on the lotus leaf is one such example, displaying anti-wetting behaviour and low adhesion with foreign particulate matter. Indeed the lotus leaf has often been considered the 'benchmark' for such properties. One could expect that there are animal counterparts of this self-drying and self-cleaning surface system...
June 22, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28637319/matrix-metalloproteinases-their-functional-role-in-lung-cancer
#9
Neha Merchant, Ganji Purnachandra Nagaraju, Balney Rajitha, Saipriya Lammata, Kishore Kumar Jella, Zachary S Buchwald, Sajani S Lakka, Arif N Ali
Lung malignancy is the foremost cause of cancer-related deaths globally and is frequently related to long-term tobacco smoking. Recent studies reveal that the expression of matrix metalloproteinases (MMPs) is extremely high in lung tumors compared to non-malignant lung tissue. MMPs are zinc-dependent proteases and are involved in the degradation of extracellular matrix (ECM). Several investigations have shown that MMPs manipulate the activity of non-ECM molecules, including cytokines, growth factors and receptors which control the tumor microenvironment...
June 16, 2017: Carcinogenesis
https://www.readbyqxmd.com/read/28637019/clinicopathological-characteristics-of-ros1-and-ret-rearranged-nsclc-in-caucasian-patients-data-from-a-cohort-of-713-non-squamous-nsclc-lacking-kras-egfr-her2-braf-pik3ca-alk-alterations
#10
Frédéric Dugay, Francisco Llamas-Gutierrez, Marjory Gournay, Sarah Medane, François Mazet, Dan Christian Chiforeanu, Emmanuelle Becker, Régine Lamy, Hervé Léna, Nathalie Rioux-Leclercq, Marc-Antoine Belaud-Rotureau, Florian Cabillic
Targeted therapies have substantially changed the management of non-small cell lung cancer (NSCLC) patients with driver oncogenes. Given the high frequency, EGFR and ALK aberrations were the first to be detected and paved the way for tyrosine kinase inhibitor (TKI) treatments. Other kinases such as ROS1 and more recently RET have emerged as promising targets, and ROS1 and RET TKIs are already available for precision medicine.We screened a large cohort of 713 Caucasian non-squamous NSCLC patients lacking EGFR/KRAS/BRAF/HER2/PI3KCA/ALK aberrations for ROS1 and RET rearrangements using fluorescence in situ hybridization to determine the frequency and clinicopathological characteristics of ROS1- and RET-positive patients...
June 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28637018/the-efficacy-of-anti-pd-1-pd-l1-therapy-and-its-comparison-with-egfr-tkis-for-advanced-non-small-cell-lung-cancer
#11
REVIEW
Zhixin Sheng, Xu Zhu, Yanhua Sun, Yanxia Zhang
PURPOSE: To better understand the efficacy and safety of anti-PD-1/PD-L1 therapy (atezolizumab, pembrolizumab, nivolumab) in patients with previously treated advanced non-small-cell lung cancer (NSCLC). METHODS: The Cochrane Controlled Trial Register, Embase, Medline, and the Science Citation Index were searched for prospective published reports of atezolizumab, pembrolizumab, nivolumab in previously treated patients with advanced NSCLC. RESULTS: Finally, we identified 14 prospective published reports including four trials of atezolizumab covering 542 subjects, three trials of pembrolizumab covering 1566 subjects, seven trials of nivolumab covering 1678 subjects...
June 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28637014/a-combination-of-valproic-acid-sodium-salt-chir99021-e-616452-tranylcypromine-and-3-deazaneplanocin-a-causes-stem-cell-like-characteristics-in-cancer-cells
#12
Shuang Sha, Yuanfen Zhai, Chengzhao Lin, Heyong Wang, Qing Chang, Shuang Song, Mingqiang Ren, Gentao Liu
Many studies are based on the hypothesis that recurrence and drug resistance in lung carcinoma are due to a subpopulation of cancer stem-like cells (CSLCs) in solid tumors. Therefore it is crucial to screen for and recognize lung CSLCs. In this study, we stimulated non-small cell lung cancer (NSCLC) A549 cells to display stem cell-like characteristics using a combination of five small molecule compounds. The putative A549 stem cells activated an important CSLC marker, CD133 protein, as well multiple CSLC-related genes including ATP-binding cassette transporter G2 (ABCG2), C-X-C chemokine receptor type 4 (CXCR4), NESTIN, and BMI1...
June 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28636987/combination-of-calr-and-pdia3-is-a-potential-prognostic-biomarker-for-non-small-cell-lung-cancer
#13
Ke Wang, Hao Li, Ruo Chen, Yang Zhang, Xiu-Xuan Sun, Wan Huang, Huijie Bian, Zhi-Nan Chen
Proteomic-based approaches for biomarker discovery are promising strategies used in cancer research. In this study, we performed quantitative proteomic analysis on 16 paired samples of non-small cell lung cancer (NSCLC) and adjacent non-tumor lung tissues using label-free quantitative proteomics and liquid chromatography-tandem mass spectrometry/mass spectrometry (LC-MS/MS) to identify differentially expressed proteins. A total of 91 proteins were differentially expressed in NSCLC compared with adjacent non-tumor lung tissues among 4047 identified proteins (fold change > 1...
June 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28636982/meta-analysis-of-incidence-and-risk-of-severe-adverse-events-and-fatal-adverse-events-with-crizotinib-monotherapy-in-patients-with-alk-positive-nsclc
#14
Qian Zhu, Hao Hu, Feng Jiang, Chang Ying Guo, Xiong Wen Yang, Xi Liu, Yu Kang Kuang
BACKGROUND: Numerous clinical trials show crizotinib has promising efficacy for anaplastic lymphoma kinase (ALK) positive non-small cell lung cancer (NSCLC) patients which trigger the substitution of traditional chemotherapy to be the current standard first-line treatment for these patients. Conversely, few reports systematically analyze toxicity of crizotinib. Hence, we performed a first meta-analysis to determine the risk of crizotinib-related severe adverse events (SAEs) and fatal adverse events (FAEs) in ALK positive NSCLC patients...
June 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/28636874/next-generation-matrix-metalloproteinase-inhibitors-novel-strategies-bring-new-prospects
#15
REVIEW
Maxim Levin, Yael Udi, Inna Solomonov, Irit Sagi
Enzymatic proteolysis of cell surface proteins and extracellular matrix (ECM) is critical for tissue homeostasis and cell signaling. These proteolytic activities are mediated predominantly by a family of proteases termed matrix metalloproteinases (MMPs). The growing evidence in recent years that ECM and non-ECM bioactive molecules (e.g., growth factors, cytokines, chemokines, on top of matrikines and matricryptins) have versatile functions redefines our view on the roles matrix remodeling enzymes play in many physiological and pathological processes, and underscores the notion that ECM proteolytic reaction mechanisms represent master switches in the regulation of critical biological processes and govern cell behavior...
June 18, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28636851/first-line-nivolumab-in-stage-iv-or-recurrent-non-small-cell-lung-cancer
#16
COMMENT
David P Carbone, Martin Reck, Luis Paz-Ares, Benjamin Creelan, Leora Horn, Martin Steins, Enriqueta Felip, Michel M van den Heuvel, Tudor-Eliade Ciuleanu, Firas Badin, Neal Ready, T Jeroen N Hiltermann, Suresh Nair, Rosalyn Juergens, Solange Peters, Elisa Minenza, John M Wrangle, Delvys Rodriguez-Abreu, Hossein Borghaei, George R Blumenschein, Liza C Villaruz, Libor Havel, Jana Krejci, Jesus Corral Jaime, Han Chang, William J Geese, Prabhu Bhagavatheeswaran, Allen C Chen, Mark A Socinski
BACKGROUND: Nivolumab has been associated with longer overall survival than docetaxel among patients with previously treated non-small-cell lung cancer (NSCLC). In an open-label phase 3 trial, we compared first-line nivolumab with chemotherapy in patients with programmed death ligand 1 (PD-L1)-positive NSCLC. METHODS: We randomly assigned, in a 1:1 ratio, patients with untreated stage IV or recurrent NSCLC and a PD-L1 tumor-expression level of 1% or more to receive nivolumab (administered intravenously at a dose of 3 mg per kilogram of body weight once every 2 weeks) or platinum-based chemotherapy (administered once every 3 weeks for up to six cycles)...
June 22, 2017: New England Journal of Medicine
https://www.readbyqxmd.com/read/28636438/oxidative-stress-mediated-by-nitrogen-at-elevated-pressure-inhibits-non-small-cell-lung-cancer-growth
#17
Stephen R Thom, Mark Ma, Veena M Bhopale, Cindy Zhou, Li Mao
Purpose/Aim: High pressures of gases such as nitrogen enhance production of singlet oxygen. Therefore, we hypothesized that growth of non-small cell lung cancer (NSCLC) A549 cells and a human-derived NSCLC explant could be inhibited by an oxidative stress mechanism using high-pressure nitrogen. MATERIALS AND METHODS: Growth of human NSCLC explants and A549 cells in Matrigel were assessed after implantation into nude mice who were exposed to elevated pressures. RESULTS: Subcutaneous implant growth of NSCLC in nude mice was inhibited by a daily 78-minute protocol using nitrogen/oxygen breathing mixture such that at the maximum pressure of 2...
June 21, 2017: Experimental Lung Research
https://www.readbyqxmd.com/read/28635230/-the-expression-of-programmed-death-receptor-1-in-non-small-cell-lung-cancer-and-its-clinicopathological-features-and-prognosis-showed-a-connection-with-epidermal-growth-factor-receptor-gene-mutations
#18
H Yin, C G Liao, Y Q Wang, Z Li, L L Fan, M L Qian, N Lu
Objective: To investigate the relationships between the expression of programmed death 1 (PD-1) and the epidermal growth factor receptor (EGFR) gene mutations in non-small cell lung cancer (NSCLC). The study also attempted to investigate the clinicopathological features and prognosis in NSCLC patients. Methods: The expression of PD-1 protein in 88 cases of NSCLC tumor tissues and adjacent tissues was detected by immunohistochemistry. The mutations of EGFR in NSCLC were detected by Polymerase Chain Reaction-Amplification Refractory Mutation System(PCR-ARMS) method...
June 23, 2017: Zhonghua Zhong Liu za Zhi [Chinese Journal of Oncology]
https://www.readbyqxmd.com/read/28635229/-macrophage-colony-stimulating-factor-enhances-non-small-cell-lung-cancer-invasion-and-metastasis-by-promoting-macrophage-m2-polarization
#19
Y J Li, L Yang, L P Wang, Y Zhang
Objective: To investigate the key cytokine which polarizes M2 macrophages and promotes invasion and metastasis in non-small cell lung cancer (NSCLC). Methods: After co-culture with A549 cells in vitro, the proportion of CD14(+) CD163(+) M2 macrophages in monocytes and macrophage colony stimulating factor (M-CSF) levels in culture supernatant were detected by flow cytometry, ELISA assay and real-time qPCR, respectively. The effects of CD14(+) CD163(+) M2 macrophages on invasion of A549 cells and angiogenesis of HUVEC cells were measured by transwell assay and tubule formation assay, respectively...
June 23, 2017: Zhonghua Zhong Liu za Zhi [Chinese Journal of Oncology]
https://www.readbyqxmd.com/read/28635227/-mechanism-and-clinical-efficacy-of-third-generation-epidermal-growth-factor-receptor-tyrosine-kinase-inhibitor-in-non-small-cell-lung-cancer
#20
X X Chen, C C Zhou
Epidermal growth factor receptor-tyrosine kinase inhibitors (EGFR-TKIs) are the standard treatment for non-small cell lung cancer (NSCLC) patients with EGFR activating mutations. However, most of patients will develop resistance to TKIs treatment due to the emergence of the T790M mutation. The third-generation EGFR-TKI is highly selective and efficient for activating mutants (EGFR sensitive mutations) and resistance mutant (T790M+ ). This review summarizes the mechanism and clinical efficacy of the third-generation EGFR-TKI in NSCLC patients...
June 23, 2017: Zhonghua Zhong Liu za Zhi [Chinese Journal of Oncology]
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