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https://www.readbyqxmd.com/read/28550740/multi-resolution-classification-of-exhaled-aerosol-images-to-detect-obstructive-lung-diseases-in-small-airways
#1
Jinxiang Xi, Weizhong Zhao, Jiayao Eddie Yuan, Biwei Cao, Linlin Zhao
Exhaled aerosol patterns have been used to detect obstructive respiratory diseases in the upper airways. Signals from small airway diseases are weak and may not manifest themselves in the exhaled aerosol patterns. Therefore, it will be more challenging to detect abnormalities in small airways. The objective of this study is to develop a simulation-based classification model that can accurately classify small airway diseases. The model performance was evaluated in five obstructed models that are located in lung bifurcations G7-9...
May 20, 2017: Computers in Biology and Medicine
https://www.readbyqxmd.com/read/28550688/long-noncoding-rna-crnde-prc2-participated-in-the-radiotherapy-resistance-of-human-lung-adenocarcinoma-through-targeting-p21-expression
#2
Ming Zhang, Change Gao, Yi Yang, Gaofeng Li, Jian Dong, Yiqin Ai, Nan Chen, Wenhui Li
Long noncoding RNAs (lncRNAs), as new class of functional regulators involved in human tumorigenesis, have been attracting increasing attention of researchers. The lncRNA Colorectal Neoplasia Differentially Expressed (CRNDE), transcribed from chromosome 16 on the strand opposite to the adjacent IRX5 gene, were originally found to be increased in CRC and was reported abnormal expressed in many cancers. However, its potential role and molecular mechanism underlying radioresistant phenotype formation of lung adenocarcinoma (LAD) remains unclear...
May 17, 2017: Oncology Research
https://www.readbyqxmd.com/read/28550680/elemene-increases-autophagic-apoptosis-and-drug-sensitivity-in-human-cisplatin-ddp-resistant-lung-cancer-cell-line-spc-a-1-ddp-by-inducing-beclin-1-expression
#3
Kun Zhou, Liping Wang, Ruirui Cheng, Xia Liu, Shengya Mao, Yan Yan
Drug resistance is the major obstacle for the successful therapy of lung adenocarcinoma. It was suggested that ß-elemene, a major isoform of elemene, could reverse the drug resistance in lung cancer cells. However, the underlying mechanisms remains poorly known. Here, we aimed to investigate whether elemene is involved in the cisplatin (DDP)-resistance of lung adenocarcinoma cells and further explore the underlying mechanism. The results showed that human lung adenocarcinoma cell line SPC-A-1 and its DDP-resistant strain SPC-A-1/DDP had a similar sensitivity to elemene treatment...
May 23, 2017: Oncology Research
https://www.readbyqxmd.com/read/28550678/knockdown-of-long-noncoding-rna-lncrna-metastasis-associated-lung-adenocarcinoma-transcript-1-malat1-inhibits-proliferation-migration-and-invasion-and-promoted-apoptosis-by-targeting-mir-124-in-retinoblastoma
#4
Shujun Liu, Guigang Yan, Junfu Zhang, Lianzhi Yu
Evidence suggests that the long non-coding RNA (lncRNA) metastasis-associated lung adenocarcinoma transcript 1 (MALAT1)is upregulated in cancer tissues and its elevated expression is associated with hyper-proliferation. However, the underlying mechanisms regarding the role of MALAT1 in retinoblastoma (RB) remains unclear. This study aimed to explore the functional role of MALAT1 in RB by targeting miR-124. Results showed that the expression of - MALAT1 was significantly higher in Y79 cell line than ARPE-19 cell line (P<0...
May 21, 2017: Oncology Research
https://www.readbyqxmd.com/read/28550671/-analysis-of-prognostic-factors-for-patients-with-stage%C3%A2-b-non-small-cell-lung-cancer-after-operation
#5
P Song, R C Zang, M Y Zhang, L Liu, S G Gao
Objective: To study the prognostic factors for patients with stage ⅠB non-small cell lung cancer (NSCLC) after radical operation (R0). Methods: The clinical data of 458 patients who underwent radical resection for NSCLC and were pathologically diagnosed with stage ⅠB lung cancer from January 2009 to December 2010, were reviewed retrospectively. Those cases include 269 male patients and 189 female, aged between 28 and 88, with a median age of 61 years. The Kaplan-Meier method and Log rank test were used for univariate survival analysis and the Cox proportional hazards model for multivariate survival analysis...
April 23, 2017: Zhonghua Zhong Liu za Zhi [Chinese Journal of Oncology]
https://www.readbyqxmd.com/read/28550662/-effects-of-simvastatin-on-the-proliferation-invasion-and-radiosensitivity-in-lewis-lung-cancer-cell-line
#6
S F Yu, J Cheng, S Geng, S Gao
Objective: To investigate the effects of simvastatin on proliferation, invasion and radiosensitivity of mouse Lewis lung cancer cell line in vitro. Methods: The inhibitory effects of simvastatin on proliferation of Lewis lung cancer cells were detected by MTT assay. Matrigel invasion and migration assay was used to determine the invasion and motility ability of the Lewis cells. P38 activity was measured by p38 activity detection kit, and the expressions of p-p38, MKP-1, RhoA and MMP-2 were analyzed by Western blot...
April 23, 2017: Zhonghua Zhong Liu za Zhi [Chinese Journal of Oncology]
https://www.readbyqxmd.com/read/28550661/-progression-of-diagnosis-and-treatment-for-adenosquamous-lung-carcinoma
#7
W J Zhao, X Wang, K W Ma
Adenosquamous lung carcinoma (ASC) is an uncommon entity of the primary lung cancer, which is mixed by adenocarcinoma and squamous carcinoma cells. ASC not only possesses the malignant biological characteristics of adenocarcinoma and squamous cell carcinoma, but also exhibits special clinical features, such as the higher malignant degree and poorer prognosis. This paper is aimed to elaborate the research process of the pathological origin of ASC, the application of different diagnostic methods in ASC, various therapeutic strategies and its associated prognosis so as to help to develop the clinical strategies of ASC...
April 23, 2017: Zhonghua Zhong Liu za Zhi [Chinese Journal of Oncology]
https://www.readbyqxmd.com/read/28550083/normal-and-cancerous-tissues-release-extrachromosomal-circular-dna-eccdna-into-the-circulation
#8
Pankaj Kumar, Laura Dillon, Yoshiyuki Shibata, Amir A Jazaeri, David R Jones, Anindya Dutta
Cell-free circulating linear DNA is being explored for non-invasive diagnosis and management of tumors and fetuses, the so-called liquid biopsy. Previously, we observed the presence of small extrachromosomal circular DNA (eccDNA), called microDNA, in the nuclei of mammalian tissues and cell lines. Now, we demonstrate that cell-free microDNA derived from uniquely mapping regions of the genome is detectable in plasma and serum from both mice and humans and that they are significantly longer (30-60% >250 bases) than cell-free circulating linear DNA (~150 bases)...
May 26, 2017: Molecular Cancer Research: MCR
https://www.readbyqxmd.com/read/28550032/a-predictive-score-for-thrombosis-associated-with-breast-colorectal-lung-or-ovarian-cancer-the-prospective-compass-cancer-associated-thrombosis-study
#9
Grigoris T Gerotziafas, Ali Taher, Hikmat Abdel-Razeq, Essam AboElnazar, Alex C Spyropoulos, Salem El Shemmari, Annette K Larsen, Ismail Elalamy
BACKGROUND: The stratification of outpatients on chemotherapy for breast, colorectal, lung, and ovarian cancers at risk of venous thromboembolism (VTE) remains an unmet clinical need. The derivation of a risk assessment model (RAM) for VTE in these patients was the aim of the study "Prospective Comparison of Methods for thromboembolic risk assessment with clinical Perceptions and AwareneSS in real life patients-Cancer Associated Thrombosis" (COMPASS-CAT). PATIENTS AND METHODS: The derivation cohort consisted of 1,023 outpatients...
May 26, 2017: Oncologist
https://www.readbyqxmd.com/read/28550029/pulmonary-function-changes-after-radiotherapy-for-lung-or-esophageal-cancer-a-systematic-review-focusing-on-dose-volume-parameters
#10
Anne G H Niezink, Renske A de Jong, Christina T Muijs, Johannes A Langendijk, Joachim Widder
BACKGROUND: Despite technical developments in treatment delivery, radiation-induced lung toxicity (RILT) remains a crucial problem in thoracic radiotherapy. Clinically based RILT scores have their limitations, and more objective measures such as pulmonary functions tests (PFTs) might help to improve treatment strategies. PURPOSE: To summarize the available evidence about the effect of dose to the lung in thoracic radiotherapy on forced expiratory volume in one second (FEV1) and diffusion capacity (DLCO) in patients with lung and esophageal cancer treated with curative intent...
May 26, 2017: Oncologist
https://www.readbyqxmd.com/read/28549836/heterogeneity-of-tumor-and-immune-cell-pd-l1-expression-and-lymphocyte-counts-in-surgical-nsclc-samples
#11
David Casadevall, Sergi Clavé, Álvaro Taus, Max Hardy-Werbin, Pedro Rocha, Marta Lorenzo, Silvia Menéndez, Marta Salido, Joan Albanell, Lara Pijuan, Edurne Arriola
BACKGROUND: Immune-checkpoint inhibitors against programmed cell death protein 1 (PD-1)/programmed death-ligand 1 (PD-L1) have shown remarkable therapeutic activity in non-small-cell lung cancer (NSCLC). However, biomarker-based patient selection remains a challenge. Our aim was to assess the heterogeneity of various immune markers between different tumor areas of surgically resected NSCLC specimens. MATERIALS AND METHODS: We included 94 adenocarcinoma (ADC) and 50 squamous cell carcinoma (SCC) specimens...
May 4, 2017: Clinical Lung Cancer
https://www.readbyqxmd.com/read/28549835/characterization-of-liver-metastasis-and-its-effect-on-targeted-therapy-in-egfr-mutant-nsclc-a-multicenter-study
#12
Tao Jiang, Ruirui Cheng, Guowei Zhang, Chunxia Su, Chao Zhao, Xuefei Li, Jie Zhang, Fegnying Wu, Xiaoxia Chen, Guanghui Gao, Wei Li, Weijing Cai, Fei Zhou, Jing Zhao, Anwen Xiong, Shengxiang Ren, Guojun Zhang, Caicun Zhou, Jun Zhang
BACKGROUND: The risk factors for liver metastasis (LM) in patients with non-small-cell lung cancer (NSCLC) remain unknown. Whether LM predicts for the effect of first-line epidermal growth factor receptor (EGFR)-tyrosine kinase inhibitors (TKIs) in patients with EGFR-mutant NSCLC needs to be explored. PATIENTS AND METHODS: A total of 598 NSCLC patients from 3 centers underwent EGFR testing, and 293 had EGFR-mutant NSCLC. Of the 598 NSCLC patients, 99 had LM; 56 patients with EGFR-mutant NSCLC received EGFR-TKIs as first-line therapy...
May 5, 2017: Clinical Lung Cancer
https://www.readbyqxmd.com/read/28549790/the-inhibitor-of-differentiation-1-id-1-enables-lung-cancer-liver-colonization-through-activation-of-an-emt-program-in-tumor-cells-and-establishment-of-the-pre-metastatic-niche
#13
Eduardo Castañón, Alex Soltermann, Inés López, Marta Román, Margarita Ecay, María Collantes, Miriam Redrado, Iosune Baraibar, José María López-Picazo, Christian Rolfo, Fernando Vidal-Vanaclocha, Luis Raez, Walter Weder, Alfonso Calvo, Ignacio Gil-Bazo
Id1 promotes carcinogenesis and metastasis, and predicts prognosis of non-small cell lung cancer (NSCLC)-adenocarcionoma patients. We hypothesized that Id1 may play a critical role in lung cancer colonization of the liver by affecting both tumor cells and the microenvironment. Depleted levels of Id1 in LLC (Lewis lung carcinoma cells, LLC shId1) significantly reduced cell proliferation and migration in vitro. Genetic loss of Id1 in the host tissue (Id1(-/-) mice) impaired liver colonization and increased survival of Id1(-/-) animals...
May 23, 2017: Cancer Letters
https://www.readbyqxmd.com/read/28549483/whole-breast-and-regional-nodal-irradiation-in-prone-versus-supine-position-in-left-sided-breast-cancer
#14
Pieter Deseyne, Bruno Speleers, Wilfried De Neve, Bert Boute, Leen Paelinck, Tom Van Hoof, Joris Van de Velde, Annick Van Greveling, Chris Monten, Giselle Post, Herman Depypere, Liv Veldeman
BACKGROUND: Prone whole breast irradiation (WBI) leads to reduced heart and lung doses in breast cancer patients receiving adjuvant radiotherapy. In this feasibility trial, we investigated the prone position for whole breast + lymph node irradiation (WB + LNI). METHODS: A new support device was developed for optimal target coverage, on which patients are positioned in a position resembling a phase from the crawl swimming technique (prone crawl position)...
May 26, 2017: Radiation Oncology
https://www.readbyqxmd.com/read/28549477/surgical-and-survival-outcomes-of-lung-cancer-patients-with-intratumoral-lung-abscesses
#15
Keiji Yamanashi, Norihito Okumura, Ayuko Takahashi, Takashi Nakashima, Tomoaki Matsuoka
BACKGROUND: Intratumoral lung abscess is a secondary lung abscess that is considered to be fatal. Therefore, surgical procedures, although high-risk, have sometimes been performed for intratumoral lung abscesses. However, no studies have examined the surgical outcomes of non-small cell lung cancer patients with intratumoral lung abscesses. The aim of this study was to investigate the surgical and survival outcomes of non-small cell lung cancer patients with intratumoral lung abscesses...
May 26, 2017: Journal of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/28549468/microrna-608-inhibits-proliferation-of-bladder-cancer-via-akt-foxo3a-signaling-pathway
#16
Zhen Liang, Xiao Wang, Xin Xu, Bo Xie, Alin Ji, Shuai Meng, Shiqi Li, Yi Zhu, Jian Wu, Zhenghui Hu, Yiwei Lin, Xiangyi Zheng, Liping Xie, Ben Liu
BACKGROUND: Current evidence indicates that miR-608 is widely down-regulated in various malignant tumors including liver cancer, colon cancer, lung cancer and glioma, and acts as a tumor suppressor by inhibiting cell proliferation, invasion and migration or by promoting apoptosis. The specific biological function of miR-608 in bladder cancer is still unknown. METHODS: qRT-PCR and Chromogenic in Situ Hybridization (CISH) was conducted to assess the expression of miR-608 in paired BCa tissues and adjacent non-tumor bladder urothelial tissues...
May 26, 2017: Molecular Cancer
https://www.readbyqxmd.com/read/28549458/detection-of-alk-fusion-transcripts-in-ffpe-lung-cancer-samples-by-nanostring-technology
#17
Adriane F Evangelista, Maicon F Zanon, Adriana Cruvinel Carloni, Flávia E de Paula, Mariana Andozia Morini, Maressa Ferreira-Neto, Iberê Cauduro Soares, Jose Elias Miziara, Pedro de Marchi, Cristovam Scapulatempo-Neto, Rui M Reis
BACKGROUND: ALK-rearranged lung cancers exhibit specific pathologic and clinical features and are responsive to anti-ALK therapies. Therefore, the detection of ALK-rearrangement is fundamental for personalized lung cancer therapy. Recently, new molecular techniques, such as NanoString nCounter, have been developed to detect ALK fusions with more accuracy and sensitivity. METHODS: In the present study, we intended to validate a NanoString nCounter ALK-fusion panel in routine biopsies of FFPE lung cancer patients...
May 26, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/28549414/phase-i-ii-study-of-induction-chemotherapy-using-carboplatin-plus-irinotecan-and-sequential-thoracic-radiotherapy-trt-for-elderly-patients-with-limited-disease-small-cell-lung-cancer-ld-sclc-torg-0604
#18
Yuki Misumi, Hiroaki Okamoto, Jiichiro Sasaki, Noriyuki Masuda, Mari Ishii, Tsuneo Shimokawa, Yukio Hosomi, Yusuke Okuma, Makoto Nagamata, Takashi Ogura, Terufumi Kato, Masafumi Sata, Sakiko Otani, Akira Takakura, Koichi Minato, Yosuke Miura, Takuma Yokoyama, Saori Takata, Katsuhiko Naoki, Koshiro Watanabe
BACKGROUND: The role of irinotecan for elderly patients with LD-SCLC has been unclear, and the timing of TRT combined with chemotherapy has not been fully evaluated. METHODS: Patients aged > 70 years with untreated, measurable, LD-SCLC, performance status (PS) 0-2, and adequate organ function were eligible. Treatment consisted of induction with carboplatin on day 1 and irinotecan on days 1 and 8, every 21 days for 4 cycles, and sequential TRT (54Gy in 27 fractions)...
May 26, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28549179/relationships-between-smoking-behaviors-and-cotinine-levels-among-two-american-indian-populations-with-distinct-smoking-patterns
#19
Julie-Anne Tanner, Jeffrey A Henderson, Dedra Buchwald, Barbara V Howard, Patricia Nez Henderson, Rachel F Tyndale
Introduction: Smoking prevalence, cigarettes per day (CPD), and lung cancer incidence differ between Northern Plains (NP) and Southwestern (SW) American Indian populations. We used cotinine as a biomarker of tobacco smoke exposure to biochemically characterize NP and SW smokers and non-smokers, and to investigate factors associated with variation in tobacco exposure. Methods: American Indians (N=636) were recruited from two different tribal populations (NP and SW) as part of a study conducted as part of the Collaborative to Improve Native Cancer Outcomes P50 project...
May 26, 2017: Nicotine & Tobacco Research: Official Journal of the Society for Research on Nicotine and Tobacco
https://www.readbyqxmd.com/read/28549039/paired-comparison-of-pd-l1-expression-on-cytologic-and-histologic-specimens-from-malignancies-in-the-lung-assessed-with-pd-l1-ihc-28-8pharmdx-and-pd-l1-ihc-22c3pharmdx
#20
Birgit G Skov, Torsten Skov
BACKGROUND: Programmed cell death ligand-1 (PD-L1) expression is a predictive biomarker for anti-PD-1 immunotherapy in non-small cell lung cancer. Different immunohistochemistry (IHC) assays have been developed on histologic material with different cutoffs for positivity. More than one third of the patients are diagnosed on cytology alone. We hypothesized that cytologic cell block material is suitable for PD-L1 analysis. MATERIALS AND METHODS: Eighty-six paired samples of malignancies from the lung where cytologic cell block and histologic material were available from the same lesion were stained with PD-L1 IHC 28-8pharmDx and PD-L1 IHC 22C3pharmDx...
May 25, 2017: Applied Immunohistochemistry & Molecular Morphology: AIMM
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