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Fluorescence lung cancer

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https://www.readbyqxmd.com/read/29782142/projection-based-3d-printing-of-cell-patterning-scaffolds-with-multi-scale-channels
#1
Dai Xue, Yancheng Wang, Jiaxin Zhang, Deqing Mei, Yue Wang, Shaochen Chen
To fully actualize artificial, cell-laden biological models in tissue engineering, such as 3D organoids and organs-on-a-chip systems, cells need to be patterned such that they can precisely mimic natural microenvironments in vitro. Despite increasing interest in this area, patterning cells at multiscales (~10 μm - 10 mm) remains a significant challenge in bioengineering. Here we report a projection-based 3D printing system that achieves rapid and high-resolution fabrication of hydrogel scaffolds featuring intricate channels for multi-scale cell patterning...
May 21, 2018: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29780629/performance-evaluation-of-detecting-circulating-tumor-cells-and-tumor-cells-in-bronchoalveolar-lavage-fluid-in-diagnosis-of-peripheral-lung-cancer
#2
Chang-Hao Zhong, Da Tong, Zi-Qing Zhou, Zhu-Quan Su, Yu-Long Luo, Jia Xing, Ya-Li Bai, Su-Jie Guo, Shi-Yue Li
Background: To evaluate the diagnostic performances of detecting circulating tumor cells (CTCs) and tumor cells in bronchoalveolar lavage fluid (BALF) for peripheral lung cancer. Methods: A total of 247 patients with lung cancer and 70 cases with benign lung disease were recruited in this study. Peripheral blood and BALF samples were collected, in which the tumor cells were enriched by negative immunomagnetic selection and detected by fluorescence in situ hybridization (FISH) of chromosome enumeration probe 8 (CEP8)...
April 2018: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/29776956/integrin-%C3%AE-3-inhibition-enhances-the-antitumor-activity-of-alk-inhibitor-in-alk-rearranged-nsclc
#3
Ka-Won Noh, Insuk Sohn, Ji-Young Song, Hyun-Tae Shin, Yu Jin Kim, Kyungsoo Jung, Minjung Sung, Mingi Kim, Sungbin An, Joungho Han, Se-Hoon Lee, Mi-Sook Lee, Yoon-La Choi
BACKGROUND: Anaplastic lymphoma kinase (ALK)-positive cancers are sensitive to small molecule ALK kinase inhibitors, but most cases experience failure following treatment. Hence, additional drug targets and combination therapeutic treatments are needed. We investigated gene expression that is regulated by the expression of ALK and explored its roles in cancer progression and therapeutic implication. PATIENTS AND METHODS: We screened ALK-rearranged non-small cell lung cancer (NSCLC) cases using immunohistochemistry and fluorescence in situ hybridization, and then conducted multiplex gene expression analysis...
May 18, 2018: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/29770131/real-time-tracking-of-ex-vivo-expanded-natural-killer-cells-toward-human-triple-negative-breast-cancers
#4
Tung Nguyen Thanh Uong, Kyung-Hwa Lee, Sung-Ja Ahn, Kyung Won Kim, Jung-Joon Min, Hoon Hyun, Mee Sun Yoon
Introduction: Ex vivo -expanded natural killer (NK) cells are a potential candidate for cancer immunotherapy based on high cytotoxicity against malignant tumor cells. However, a limited understanding of the migration of activated NK cells toward solid tumors is a critical dilemma in the development of effective and adoptive NK cell-based immunotherapy. Methods: Ex vivo -expanded NK cells from healthy donors were stained with near-infrared fluorophores at different concentrations...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29755669/a-stitch-in-time-saves-nine-external-quality-assessment-rounds-demonstrate-improved-quality-of-biomarker-analysis-in-lung-cancer
#5
Cleo Keppens, Véronique Tack, Nils 't Hart, Lien Tembuyser, Ales Ryska, Patrick Pauwels, Karen Zwaenepoel, Ed Schuuring, Florian Cabillic, Luigi Tornillo, Arne Warth, Wilko Weichert, Elisabeth Dequeker
Biomarker analysis has become routine practice in the treatment of non-small cell lung cancer (NSCLC). To ensure high quality testing, participation to external quality assessment (EQA) schemes is essential. This article provides a longitudinal overview of the EQA performance for EGFR , ALK , and ROS1 analyses in NSCLC between 2012 and 2015. The four scheme years were organized by the European Society of Pathology according to the ISO 17043 standard. Participants were asked to analyze the provided tissue using their routine procedures...
April 17, 2018: Oncotarget
https://www.readbyqxmd.com/read/29752140/feiji-recipe-inhibits-the-growth-of-lung-cancer-by-modulating-t-cell-immunity-through-indoleamine-2-3-dioxygenase-pathway-in-an-orthotopic-implantation-model
#6
Bin Luo, Zu-Jun Que, Zhi-Yi Zhou, Qing Wang, Chang-Sheng Dong, Yi Jiang, Bing Hu, Hui Shi, Yu Jin, Jian-Wen Liu, He-Gen Li, Lin Wang, Jian-Hui Tian
OBJECTIVE: Escape from the body's immune response is a basic characteristic of lung cancer, and indoleamine-2,3-dioxygenase (IDO) plays a key role in mediating immune escape of non-small-cell lung cancer, which leads to recurrence and metastasis. Feiji Recipe, a compound Chinese herbal medicine, has the effect of stabilizing lesions and prolonging survival in patients with lung cancer. The purpose of this study was to investigate the mechanisms underlying the anticancer properties of Feiji Recipe...
April 22, 2018: Journal of Integrative Medicine
https://www.readbyqxmd.com/read/29751136/anti-epidermal-growth-factor-vaccine-antibodies-enhance-the-efficacy-of-tyrosine-kinase-inhibitors-and-delay-the-emergence-of-resistance-in-egfr-mutant-lung-cancer-cells
#7
Jordi Codony-Servat, Silvia García-Roman, Miguel Ángel Molina-Vila, Jordi Bertran-Alamillo, Ana Giménez-Capitán, Santiago Viteri, Andrés F Cardona, Erik d'Hondt, Niki Karachaliou, Rafael Rosell
INTRODUCTION: Mutations in EGFR correlate with impaired response to immune checkpoint inhibitors and the development of novel immunotherapeutic approaches for EGFR mutant non-small cell lung cancer (NSCLC) is of particular interest. Immunization against EGF has demonstrated efficacy in a phase III trial including unselected NSCLC patients, but little was known about the mechanisms involved in the effects of the anti-EGF antibodies generated by vaccination (anti-EGF VacAbs) or their activity in tumor cells with EGFR mutations...
May 8, 2018: Journal of Thoracic Oncology
https://www.readbyqxmd.com/read/29751037/interaction-of-anti-cancer-drug-cisplatin-with-major-proteinase-inhibitor-alpha-2-macroglobulin-biophysical-and-thermodynamic-analysis
#8
Mohammad Khalid Zia, Tooba Siddiqui, Syed Saqib Ali, Haseeb Ahsan, FahimHalim Khan
Alpha-2-macroglobulin is a multifunctional, highly abundant, plasma protein which reacts with a wide variety of molecules and drugs such as cisplatin. Cisplatin is commonly used anticancer drug widely used for treatment of testicular, bladder, ovarian, head and neck, lung and cervical cancers. This study is designed to examine the interaction of cisplatin with human alpha-2-macroglobulin through various biophysical techniques and drug binding through molecular modeling. Cisplatin alters the function of alpha-2-macroglobulin and the thiolesters are most likely the reactive sites for cisplatin...
May 8, 2018: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/29749672/transgenic-mice-that-accept-luciferase-or-gfp-expressing-syngeneic-tumor-cells-at-high-efficiencies
#9
Naoki Aoyama, Hiroyuki Miyoshi, Hitoshi Miyachi, Masahiro Sonoshita, Masaru Okabe, Makoto Mark Taketo
Jellyfish green fluorescent protein (GFP) and firefly luciferase can serve as versatile tracking markers for identification and quantification of transplanted cancer cells in vivo. However, immune reactions against these markers can hamper the formation of syngraft tumors and metastasis that follows. Here, we report two transgenic (Tg) mouse lines that express nonfunctional mutant marker proteins, namely modified firefly luciferase (Luc2) or enhanced GFP (EGFP). These mice, named as Tg-mLuc2 and Tg-mEGFP, turned out to be immunologically tolerant to the respective tracking markers and thus efficiently accepted syngeneic cancer cells expressing the active forms of the markers...
May 11, 2018: Genes to Cells: Devoted to Molecular & Cellular Mechanisms
https://www.readbyqxmd.com/read/29747316/-abnormal-expression-of-angiopoietin-2-associated-with-invasion-metastasis-and-prognosis-of-lung-cancer
#10
L W Qiu, J R Chen, X L Yang, M Fang, W J Zheng, Z Z Dong, M Yao, D F Yao
Objective: To investigate the relationship between abnormal angiopoietin-2 (Ang-2) expression and invasion/metastasis of lung cancer. Methods: Totally 122 cases of postoperative primary lung cancer tissues and their paracancerous tissues from Jan. 2009 to Dec. 2010 were collected from Affiliated Hospital of Nantong University and Ang-2 expression was analyzed by immunohistochemistry. At the cellular level, the protein and mRNA levels of Ang-2 in lung epithelial cell line Beas-2B and four lung cancer cell lines (SPCA-1, NCI-1650, A549 and NCI-H1975) were observed...
April 24, 2018: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/29744048/icg-easily-detects-not-only-the-segmental-plane-but-also-the-course-and-blood-distribution-of-the-bronchial-artery-case-report
#11
Hidetaka Uramoto, Nozomu Motono
Introduction: Sublobar resection has become an acceptable alternative to lobectomy in patients with early-stage lung cancer. Most notable among these approaches is indocyanine green fluorescence (ICG) imaging. Case presentation: Operative finding showed clear green staining of the left upper lobe, S6, superior pulmonary vein, and inferior PV under fluorescence navigation. Soon, the bronchial artery of right lower bronchus showed clear green staining. Next, the whole right lower bronchus is deeply colored green...
April 2018: Annals of Medicine and Surgery
https://www.readbyqxmd.com/read/29741520/alk-immunohistochemistry-is-highly-sensitive-and-specific-for-the-detection-of-alk-translocated-lung-adenocarcinomas-lessons-from-an-audit-of-lung-cancer-molecular-testing
#12
Y C Kheng, K Walsh, L Williams, W A Wallace, D J Harrison, A Oniscu
Background The approval of novel targeted treatments for epidermal growth factor receptor (EGFR)-positive and anaplastic lymphoma kinase (ALK)-positive non-small cell lung cancer has led to the increased requirement for mutation testing. Results We report our experience of ALK testing with immunohistochemistry (IHC) and fluorescence in-situ hybridisation (FISH) and present the prevalence of EGFR, Kirsten rat sarcoma 2 viral oncogene homolog (KRAS) and ALK mutations. From January 2011 to May 2014, we found mutation rates of EGFR, KRAS and ALK to be 10...
March 2018: Journal of the Royal College of Physicians of Edinburgh
https://www.readbyqxmd.com/read/29731860/utilization-of-lung-cancer-cell-lines-for-the-study-of-lung-cancer-stem-cells
#13
REVIEW
Yuyi Wang, Ming Jiang, Chi Du, Yang Yu, Yanyang Liu, Mei Li, Feng Luo
Lung cancer is one of the most l ethal types of cancer, and its poor prognosis is primarily due to drug resistance and cancer recurrence. As it is associated with a low five-year survival rate, lung cancer stem cells (LCSCs) have been the subject of numerous recent studies. For these studies of LCSCs, lung cancer cell lines are more commonly used than lung cancer tissues obtained from patients, as they are easier to acquire. The methods utilized for the identification of LCSCs from lung cancer cell lines include fluorescence activated cell sorting (FACS), magnetic activated cell sorting (MACS), sphere-forming assay and bacterial surface display library screening...
May 2018: Oncology Letters
https://www.readbyqxmd.com/read/29731631/arginine-glycine-aspartic-acid-peptide-modified-paclitaxel-and-curcumin-co-loaded-liposome-for-the-treatment-of-lung-cancer-in-vitro-vivo-evaluation
#14
Kanqiu Jiang, Mingjing Shen, Weihua Xu
Purpose: In this study, a novel arginine, glycine, aspartic acid peptide (RGD)-modified paclitaxel and curcumin co-loaded liposomes were developed to evaluate their antitumor activity in vitro and in vivo. Materials and methods: Co-loaded liposomes were prepared using the solvent evaporation method. The particles had spherical shapes under electron microscopy with sizes <130 nm. Results: By comparison with the free drug, RGD-modified paclitaxel and curcumin co-loaded liposomes and paclitaxel and curcumin co-loaded liposomes have sustained-release properties in vitro...
2018: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/29726624/regulation-of-eclipta-prostrata-l-components-on-cigarette-smoking-induced-autophagy-of-bronchial-epithelial-cells-via-keap1-nrf2-pathway
#15
Shumin Ding, Xuefeng Hou, Fujing Wang, Gang Wang, Xiaobin Tan, Ying Liu, Yuanli Zhou, Huihui Qiu, E Sun, Nan Jiang, Zihao Li, Jie Song, Liang Feng, Xiaobin Jia
Cigarette smoking extract (CSE)-induced autophagic injury has been regarded as an important contributor to the pathogenesis of lung cancer. We previously found that Eclipta prostrata L. component (CCE) reduced CSE-induced bronchial epithelial cells damage. However, the mechanism remains unknown. Human normal bronchial epithelial cells (NHBE) were exposed to CSE to establish stress model. Nrf2-siRNA and Keap1-siRNA transfection were performed. mRFP-GFP-LC3 dual fluorescence and transmission electron microscopy were used to observe the autophagic characteristics...
May 4, 2018: Environmental Toxicology
https://www.readbyqxmd.com/read/29723687/new-insights-on-diagnostic-reproducibility-of-biphasic-mesotheliomas-a-multi-institutional-evaluation-by-the-international-mesothelioma-panel-from-the-mesopath-reference-center
#16
F Galateau Salle, N Le Stang, A G Nicholson, D Pissaloux, A Churg, S Klebe, V Roggli, H Tazelaar, J M Vignaud, R Attanoos, M B Beasley, H Begueret, F Capron, L Chirieac, M C Copin, S Dacic, C Danel, A Foulet-Roge, A Gibbs, S Giusiano-Courcambeck, K Hiroshima, V Hofman, A Husain, K Kerr, A Marchevsky, K Nabeshima, J M Picquenot, I Rouquette, C Sagan, J Sauter, F Thivolet, W D Travis, M S Tsao, B Weynand, F Damiola, A Scherpereel, J C Pairon, S Lantuejoul, V Rusch, N Girard
BACKGROUND: The 2015 WHO classified malignant mesothelioma into epithelioid [EM], biphasic [BM] and sarcomatoid [SM] for prognostic relevance and treatment decisions. The survival of BM is suspected to correlate with the amount of the sarcomatoid component. The criteria for a sarcomatoid component and the interobserver variability between pathologists for identifying this component are not well described. In ambiguous cases, a "transitional"[TM] subtype has been proposed but was not accepted as a specific subtype in the 2015 WHO...
April 30, 2018: Journal of Thoracic Oncology
https://www.readbyqxmd.com/read/29723251/spatiotemporal-assessment-of-spontaneous-metastasis-formation-using-multimodal-in-vivo-imaging-in-her2-and-triple-negative-metastatic-breast-cancer-xenograft-models-in-mice
#17
Inga B Fricke, Raquel De Souza, Lais Costa Ayub, Giulio Francia, Robert Kerbel, David A Jaffray, Jinzi Zheng
BACKGROUND: Preclinical breast cancer models recapitulating the clinical course of metastatic disease are crucial for drug development. Highly metastatic cell lines forming spontaneous metastasis following orthotopic implantation were previously developed and characterized regarding their biological and histological characteristics. This study aimed to non-invasively and longitudinally characterize the spatiotemporal pattern of metastasis formation and progression in the MDA-MB-231-derived triple negative LM2-4 and HER2+ LM2-4H2N cell lines, using bioluminescence imaging (BLI), contrast enhanced computed tomography (CT), fluorescence imaging, and 2-deoxy-2-[fluorine-18]fluoro-D-glucose positron emission tomography ([18F]FDG-PET)...
2018: PloS One
https://www.readbyqxmd.com/read/29721181/near-infrared-photoimmunotherapy-targeting-bladder-cancer-with-a-canine-anti-epidermal-growth-factor-receptor-egfr-antibody
#18
Tadanobu Nagaya, Shuhei Okuyama, Fusa Ogata, Yasuhiro Maruoka, Deborah W Knapp, Sophia N Karagiannis, Judit Fazekas-Singer, Peter L Choyke, Amy K LeBlanc, Erika Jensen-Jarolim, Hisataka Kobayashi
Anti-epidermal growth factor receptor (EGFR) antibody therapy is used in EGFR expressing cancers including lung, colon, head and neck, and bladder cancers, however results have been modest. Near infrared photoimmunotherapy (NIR-PIT) is a highly selective tumor treatment that employs an antibody-photo-absorber conjugate which is activated by NIR light. NIR-PIT is in clinical trials in patients with recurrent head and neck cancers using cetuximab-IR700 as the conjugate. However, its use has otherwise been restricted to mouse models...
April 10, 2018: Oncotarget
https://www.readbyqxmd.com/read/29721074/polyamine-targeting-gefitinib-prodrug-and-its-near-infrared-fluorescent-theranostic-derivative-for-monitoring-drug-delivery-and-lung-cancer-therapy
#19
Xinyu Song, Xiaoyue Han, Fabiao Yu, Xiaoyu Zhang, Lingxin Chen, Changjun Lv
The therapy of non-small-cell lung cancer (NSCLC) is challenging because of poor prognosis. There are urgent demands for targeting anti-tumor drugs with reliable efficacy and clear pharmacokinetics. Methods : We designed and synthesized an active tumor-targeting prodrug for the precision therapy of NSCLC. The prodrug polyamine analog Gefitinib (PPG) was derived from the conjugation between a tumor-targeting ligand polyamine analog (PA) and an epidermal growth factor receptor tyrosine kinase inhibitor Gefitinib via a cleavable disulfide linker...
2018: Theranostics
https://www.readbyqxmd.com/read/29717133/kinesin-light-chain-4-depletion-induces-apoptosis-of-radioresistant-cancer-cells-by-mitochondrial-dysfunction-via-calcium-ion-influx
#20
Jeong-Hwa Baek, Janet Lee, Hong Shik Yun, Chang-Woo Lee, Jie-Young Song, Hong-Duck Um, Jong Kuk Park, In-Chul Park, Jae-Sung Kim, Eun Ho Kim, Sang-Gu Hwang
Kinesins act as molecular microtubule-dependent motor proteins and have various important cellular functions related to cell division, intracellular transport, and membrane trafficking. However, the function of kinesin light chain 4 (KLC4) in cancer, especially radioresistance, has not been previously described. Thus, we investigated KLC4 function in lung cancer cells and radioresistant R-H460 cells by analyzing alterations in radiosensitivity after gene knockdown with siRNA and by evaluating cellular phenotypes and xenograft tumor growth...
May 2, 2018: Cell Death & Disease
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