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https://www.readbyqxmd.com/read/29245116/human-lung-epithelial-cells-a549-epithelial-mesenchymal-transition-induced-by-pva-collagen-nanofiber
#1
Xiuchun Li, Shanshan Yan, Jing Dai, Yi Lu, Yiqun Wang, Man Sun, Jinkang Gong, Yuan Yao
Epithelial-mesenchymal transition (EMT) is a process by which epithelial cells lose their cell-cell contact to become mesenchymal stem cells, which is important on development and embryogenesis, wound healing, and cancer metastasis. This research aims to investigate the effect of topological cue as modulating factor on the EMT by tuning the diameter of electrospinning nanofiber. The cell-nanofiber interaction between human lung epithelial cell A549 and electrospinning nanofibers composed of polyvinyl alcohol (PVA) and type I collagen were investigated...
December 11, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/29245087/genotyping-of-common-egfr-mutations-in-lung-cancer-patients-by-electrochemical-biosensor
#2
Xiu-Hua Weng, Xiong-Wei Xu, Chang-Lian Wang, Wei-Wei Lin, Ai-Lin Liu, Wei Chen, Xin-Hua Lin
In this study, we constructed a sandwich-type biosensor to identify six common types of mutations in exon 19 of the epidermal growth factor receptor (EGFR) gene, and tested them using tissue samples from patients with non-small cell lung carcinomas. Considering the characteristics that different locations of non-complementary in DNA probes resulting in different hybridization efficiency, we investigated the design of DNA capture probes with varying non-complementary sequence locations in an effort to optimize the selectivity of the biosensor...
December 9, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/29245061/risk-and-prognosis-of-cancer-after-upper-extremity-deep-venous-thrombosis-a-population-based-cohort-study
#3
Kasper Adelborg, Erzsébet Horváth-Puhó, Jens Sundbøll, Paolo Prandoni, Anne Ording, Henrik Toft Sørensen
INTRODUCTION: The association between lower-extremity venous thrombosis and cancer is well-established. However, the extent to which upper-extremity deep venous thrombosis (U-DVT) is a marker of cancer and a prognostic factor for all-cause mortality remains poorly understood. We examined the risk of cancer after a diagnosis of U-DVT compared with cancer risk in the general population. MATERIALS AND METHODS: Using Danish nationwide population-based medical registries, we identified all patients with first-time U-DVT during 1980-1993 and 2000-2013...
November 22, 2017: Thrombosis Research
https://www.readbyqxmd.com/read/29243986/hospital-centralization-impacts-high-risk-lung-and-bladder-cancer-surgical-patients
#4
Wil Lieberman-Cribbin, Matthew Galsky, Martin Casey, Bian Liu, William Oh, Raja Flores, Emanuela Taioli
We investigated the effects of hospital centralization on the distribution of the individual surgical patient risk in higher versus lower volume hospitals. Lung (n = 28,471) and bladder (n = 8,160) cancer surgical patients were selected from the New York Statewide Planning and Research Cooperative System database, 1997-2011. Estimated patient risk was consistently lower in the highest compared to the lowest hospital volume-quartiles for lung and bladder cancer mortality, complications, and long length of stay...
November 26, 2017: Cancer Investigation
https://www.readbyqxmd.com/read/29243798/effects-of-propofol-or-sevoflurane-anesthesia-on-the-perioperative-inflammatory-response-pulmonary-function-and-cognitive-function-in-patients-receiving-lung-cancer-resection
#5
H-T Tian, X-H Duan, Y-F Yang, Y Wang, Q-L Bai, X Zhang
OBJECTIVE: To investigate the effects of propofol and sevoflurane anesthesia on the inflammatory response, pulmonary function and cognitive function of patients undergoing lung cancer resection and their differences. PATIENTS AND METHODS: 62 patients with lung cancer who underwent pulmonary lobectomy from January 2014 to January 2016 in Jining First People's Hospital were selected and randomly divided into two groups: the propofol group (n=31) and the sevoflurane group (n=31)...
December 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29243669/simultaneous-tumor-and-surrogate-motion-tracking-with-dynamic-mri-for-radiation-therapy-planning
#6
Seyoun Park, Rana Farah, Steven M Shea, Erik J Tryggestad, Russell Hales, Junghoon Lee
Respiration-induced tumor motion is a major obstacle for achieving high-precision radiotherapy of cancers in the thoracic and abdominal regions. Surrogate-based estimation and tracking methods are commonly used in radiotherapy, but with limited understanding of quantified correlation to tumor motion. In this study, we propose a method to simultaneously track the lung tumor and external surrogates to evaluate their spatial correlation in a quantitative way using dynamic MRI, which allows real-time acquisition without ionizing radiation exposure...
December 15, 2017: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/29243502/evidence-based-management-of-incidental-focal-uptake-of-fluorodeoxyglucose-on-pet-ct
#7
Deborah Pencharz, Malavika Nathan, Thomas L Wagner
Focal incidental uptake, with or without CT abnormalities, is a common finding on FDG PET/CT and evidence based management for this type of uptake is lacking. This article reviews the evidence on focal incidental uptake including the incidence of malignancy, differential diagnosis and imaging criteria which can be used to further characterise it. The article focusses on PET rather than CT criteria. The strength of the evidence base is highly variable ranging from systematic reviews and meta-analyses to a virtual absence of evidence...
December 15, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/29243413/clinical-response-to-apatinib-monotherapy-in-advanced-non-small-cell-lung-cancer
#8
Jianping Xu, Xiaoyan Liu, Sheng Yang, Xiangru Zhang, Yuankai Shi
AIM: Apatinib, an oral tyrosine kinase inhibitor mainly targeting VEGFR-2, exerts both antiangiogenesis and antiproliferation effects. Apatinib shows clinical benefit in advanced non-small cell lung cancer (NSCLC) at an initial dose of 750 mg qd. We further assessed the efficacy and safety of apatinib at a more frequently used dose of 500 mg qd. The preliminary clinical outcome of apatinib in patients with brain metastases was also reported. METHODS: We retrospectively reviewed the clinical data of 25 patients who received apatinib between August 2015 and May 2016...
December 15, 2017: Asia-Pacific Journal of Clinical Oncology
https://www.readbyqxmd.com/read/29243296/role-of-conventional-immunomarkers-hnf4-a-and-satb2-in-the-differential-diagnosis-of-pulmonary-and-colorectal-adenocarcinomas
#9
Mark Kriegsmann, Alexander Harms, Rémi Longuespée, Thomas Muley, Hauke Winter, Katharina Kriegsmann, Daniel Kazdal, Benjamin Goeppert, Anita Pathil, Arne Warth
OBJECTIVE: Pulmonary (ADC) and colorectal (CRC) adenocarcinomas are frequent entities in pathological routine diagnostics. Whereas the differential diagnosis is usually straight forward based on histomorphology, it can be challenging in small biopsies. In general, CDX-2, CK20, Napsin-A, and TTF-1 are recommended immunohistological markers in this scenario. Hepatocyte nuclear factor 4 alpha (HNF4-a) and special AT-rich sequence-binding protein 2 (SATB2) were recently described as promising additional markers, but comprehensive large scale data are lacking so far...
December 15, 2017: Histopathology
https://www.readbyqxmd.com/read/29243194/kallistatin-inhibits-lymphangiogenesis-and-lymphatic-metastasis-of-gastric-cancer-by-downregulating-vegf-c-expression-and-secretion
#10
Caiqi Ma, Chuanghua Luo, Haofan Yin, Yang Zhang, Wenjun Xiong, Ting Zhang, Tianxiao Gao, Xi Wang, Di Che, Zhenzhen Fang, Lei Li, Jinye Xie, Mao Huang, Liuqing Zhu, Ping Jiang, Weiwei Qi, Ti Zhou, Zhonghan Yang, Wei Wang, Jianxing Ma, Guoquan Gao, Xia Yang
BACKGROUND: Tumor-induced lymphangiogenesis and lymphatic metastasis are predominant during the metastasis of many types of cancers. However, the endogenous inhibitors that counterbalance the lymphangiogenesis and lymphatic metastasis of tumors have not been well evaluated. Kallistatin has been recognized as an endogenous angiogenesis inhibitor. METHODS AND RESULTS: Our recent study showed for the first time that the lymphatic vessel density (LVD) was reduced in lung and stomach sections from kallistatin-overexpressing transgenic mice...
December 14, 2017: Gastric Cancer
https://www.readbyqxmd.com/read/29243129/contrast-enhanced-ultrasound-for-needle-biopsy-of-central-lung-cancer-with-atelectasis
#11
Zhikai Lei, Jun Lou, Lingyun Bao, Zhuying Lv
PURPOSE: Contrast-enhanced ultrasound (CEUS) can distinguish between central lung cancer and atelectatic lung tissue. The aim of this study was to explore the clinical value of CEUS for biopsy in patients with central lung cancer with obstructive atelectasis. METHODS: One hundred and twelve patients were selected and CEUS was performed to display central lung cancer and atelectatic lung tissue. The front edge of central lung cancer was punctured with a needle, avoiding the necrotic area, under the guidance of CEUS...
December 14, 2017: Journal of Medical Ultrasonics
https://www.readbyqxmd.com/read/29243049/high-pd-l1-expression-indicates-poor-prognosis-of-hiv-infected-patients-with-non-small-cell-lung-cancer
#12
Yusuke Okuma, Tsunekazu Hishima, Jumpei Kashima, Sadamu Homma
BACKGROUND: The status of antitumor immunity represented by the expression of programmed cell death-1 (PD-1)/programmed cell death-ligand 1 (PD-L1) and immune cell (IC) infiltration is unknown in HIV-infected patients with non-small cell lung cancer (NSCLC). METHODS: Fifteen HIV-infected patients with NSCLC were compared with 29 non-HIV-infected patients with NSCLC. Analysis of 13 propensity-score-matched patients in the two groups was also compared. The expression of PD-1/PD-L1 and tumor infiltration by CD4+, CD8+, and CD56+ immune cells were examined by immunohistochemistry; score of ≥ 2 was defined as positive...
December 14, 2017: Cancer Immunology, Immunotherapy: CII
https://www.readbyqxmd.com/read/29242746/a-practical-method-of-i-131-thyroid-cancer-therapy-dose-optimization-using-estimated-effective-renal-clearance
#13
Brandon A Howard, Olga G James, Jennifer M Perkins, Robert A Pagnanelli, Salvador Borges-Neto, Robert E Reiman
In thyroid cancer patients with renal impairment or other complicating factors, it is important to maximize I-131 therapy efficacy while minimizing bone marrow and lung damage. We developed a web-based calculator based on a modified Benua and Leeper method to calculate the maximum I-131 dose to reduce the risk of these toxicities, based on the effective renal clearance of I-123 as measured from two whole-body I-123 scans, performed at 0 and 24 h post-administration.
2017: SAGE Open Medical Case Reports
https://www.readbyqxmd.com/read/29242733/68ga-psma-pet-ct-imaging-of-metastatic-adenoid-cystic-carcinoma
#14
Bart de Keizer, Gerard C Krijger, F Tessa Ververs, Robert J J van Es, Remco de Bree, Stefan Willems
A patient with a history of adenoid cystic carcinoma of the nasal cavity presented himself with bone pain and an elevated PSA level. On suspicion of metastatic prostate cancer a 68Ga-PSMA PET-CT was performed. The PET-CT showed numerous lung and non-sclerotic bone metastasis. Biopsy of a bone metastasis was performed and pathology showed adenoid cystic carcinoma instead of prostate cancer. Immunohistochemical PSMA staining of the primary tumour showed intense PSMA expression in adenoid cystic carcinoma tumour cells...
December 2017: Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/29242605/ddias-suppresses-trail-mediated-apoptosis-by-inhibiting-disc-formation-and-destabilizing-caspase-8-in-cancer-cells
#15
Joo-Young Im, Bo-Kyung Kim, Ji-Young Lee, Seung-Ho Park, Hyun Seung Ban, Kyeong Eun Jung, Misun Won
DNA damage-induced apoptosis suppressor (DDIAS) has an anti-apoptotic function during DNA damage in lung cancer. However, the anti-apoptotic mechanism of DDIAS in cancer cells under other conditions has not been reported. We report here that DDIAS protects cancer cells from tumor necrosis factor-related apoptosis-inducing ligand (TRAIL)-induced apoptosis by two distinct mechanisms in non-small cell lung cancer (NSCLC) and hepatocellular carcinoma (HCC) cells. DDIAS depletion sensitized NSCLC and HCC cells to TRAIL-mediated apoptosis, an effect that was abrogated by pharmacological or genetic inhibition of caspase-8 and was independent of caspase-9, p53, or mitogen-activated protein kinase signaling...
December 15, 2017: Oncogene
https://www.readbyqxmd.com/read/29242281/fda-benefit-risk-assessment-of-osimertinib-for-the-treatment-of-metastatic-non-small-cell-lung-cancer-harboring-epidermal-growth-factor-receptor-t790m-mutation
#16
Lauretta Odogwu, Luckson Mathieu, Kirsten B Goldberg, Gideon M Blumenthal, Erin Larkins, Mallorie H Fiero, Lisa Rodriguez, Karen Bijwaard, Eunice Y Lee, Reena Philip, Ingrid Fan, Martha Donoghue, Patricia Keegan, Amy McKee, Richard Pazdur
On March 30, 2017, the U.S. Food and Drug Administration (FDA) approved osimertinib for the treatment of patients with metastatic, epidermal growth factor receptor (EGFR) T790M mutation-positive, non-small cell lung cancer (NSCLC), as detected by an FDA-approved test, whose disease has progressed following EGFR tyrosine kinase inhibitor (TKI) therapy. Approval was based on demonstration of a statistically significant difference in the primary endpoint of progression-free survival (PFS) when comparing osimertinib with chemotherapy in an international, multicenter, open-label, randomized trial (AURA3)...
December 14, 2017: Oncologist
https://www.readbyqxmd.com/read/29242047/trans-esophageal-endobronchial-ultrasound-guided-needle-aspiration-eus-b-na-a-road-map-for-the-chest-physician
#17
A Bugalho, M de Santis, A Slubowski, A Rozman, R Eberhardt
The endobronchial ultrasound (EBUS) scope has been increasingly used in the gastrointestinal tract (EUS-B). Scientific data proves its efficacy and safety to provide a complete lung cancer staging, when combined with EBUS-TBNA, and in the diagnosis of para-esophageal lesions. There are multiple barriers to start performing EUS-B but probably the most important ones are related to knowledge and training, so new operators should follow a structured training curriculum. This review aims to reflect the best current knowledge regarding EUS-B and provide a road map to assist those who are incorporating the technique into their clinical practice...
December 11, 2017: Revista Portuguesa de Pneumologia
https://www.readbyqxmd.com/read/29241970/identification-of-a-folate-receptor-targeted-near-infrared-molecular-contrast-agent-to-localize-pulmonary-adenocarcinomas
#18
Jarrod D Predina, Andrew D Newton, Courtney Connolly, Ashley Dunbar, Michael Baldassari, Charuhas Deshpande, Edward Cantu, Jason Stadanlick, Sumith A Kularatne, Philip S Low, Sunil Singhal
Non-small cell lung cancer (NSCLC) is the number one cancer killer in the United States. Despite attempted curative surgical resection, nearly 40% of patients succumb to recurrent disease. High recurrence rates may be partially explained by data suggesting that 20% of NSCLC patients harbor synchronous disease that is missed during resection. In this report, we describe the use of a novel folate receptor-targeted near-infrared contrast agent (OTL38) to improve the intraoperative localization of NSCLC during pulmonary resection...
October 26, 2017: Molecular Therapy: the Journal of the American Society of Gene Therapy
https://www.readbyqxmd.com/read/29241673/adverse-effects-of-teachable-moment-interventions-in-lung-cancer-why-prudence-matters
#19
Friedrich Stiefel, Céline Bourquin
No abstract text is available yet for this article.
December 11, 2017: Journal of Thoracic Oncology
https://www.readbyqxmd.com/read/29241554/primary-patient-derived-cancer-cells-and-their-potential-for-personalized-cancer-patient-care
#20
David P Kodack, Anna F Farago, Anahita Dastur, Matthew A Held, Leila Dardaei, Luc Friboulet, Friedrich von Flotow, Leah J Damon, Dana Lee, Melissa Parks, Richard Dicecca, Max Greenberg, Krystina E Kattermann, Amanda K Riley, Florian J Fintelmann, Coleen Rizzo, Zofia Piotrowska, Alice T Shaw, Justin F Gainor, Lecia V Sequist, Matthew J Niederst, Jeffrey A Engelman, Cyril H Benes
Personalized cancer therapy is based on a patient's tumor lineage, histopathology, expression analyses, and/or tumor DNA or RNA analysis. Here, we aim to develop an in vitro functional assay of a patient's living cancer cells that could complement these approaches. We present methods for developing cell cultures from tumor biopsies and identify the types of samples and culture conditions associated with higher efficiency of model establishment. Toward the application of patient-derived cell cultures for personalized care, we established an immunofluorescence-based functional assay that quantifies cancer cell responses to targeted therapy in mixed cell cultures...
December 12, 2017: Cell Reports
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