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https://www.readbyqxmd.com/read/28702806/efficacy-and-safety-of-nintedanib-plus-docetaxel-in-patients-with-advanced-lung-adenocarcinoma-complementary-and-exploratory-analyses-of-the-phase-iii-lume-lung-1-study
#1
Maya Gottfried, Jaafar Bennouna, Igor Bondarenko, Jean-Yves Douillard, David F Heigener, Maciej Krzakowski, Anders Mellemgaard, Silvia Novello, Sergei Orlov, Yvonne Summers, Joachim von Pawel, Julia Stöhr, Rolf Kaiser, Martin Reck
BACKGROUND: Nintedanib is a triple angiokinase inhibitor approved with docetaxel for adenocarcinoma non-small cell lung cancer after first-line chemotherapy (FLT). In the phase III LUME-Lung 1 study, overall survival (OS) was significantly longer with nintedanib/docetaxel than with placebo/docetaxel in all adenocarcinoma patients and those with time from start of FLT (TSFLT) <9 months. OBJECTIVE: This study sought to extend analyses from the LUME-Lung 1 study, specifically for adenocarcinoma patients, to explore the impact of clinically relevant characteristics on outcomes such as time to progression after FLT...
July 12, 2017: Targeted Oncology
https://www.readbyqxmd.com/read/28700140/development-of-a-molecular-bio-switch-using-fluorescence-lifetime-imaging-incremental-activation-of-fluorescein-diacetate
#2
Eran A Barnoy, Rachela Popovtzer, Dror Fixler
Molecular bio-switches offer an invaluable asset in the shift from systemic to targeted treatments. Within the growing arsenal of switches are imaging probes that functionalize only in given locations or situations. Acetate esters are a common fluorescent example, known to activate upon interaction with esterases. Fluorescein diacetate (FDA) is one such fluorophore used in cell viability assays. These assays rely on the fact that the compound begins colorless and with no fluorescent signature whatsoever, and only after internalization into cells it is possible to detect a fluorescence signal...
July 12, 2017: Journal of Biophotonics
https://www.readbyqxmd.com/read/28695424/flt-pet-for-early-response-evaluation-of-colorectal-cancer-patients-with-liver-metastases-a-prospective-study
#3
Marie Benzon Mogensen, Annika Loft, Marianne Aznar, Thomas Axelsen, Ben Vainer, Kell Osterlind, Andreas Kjaer
BACKGROUND: Fluoro-L-thymidine (FLT) is a positron emission tomography/computed tomography (PET/CT) tracer which reflects proliferative activity in a cancer lesion. The main objective of this prospective explorative study was to evaluate whether FLT-PET can be used for the early evaluation of treatment response in colorectal cancer patients (CRC) with liver metastases. Patients with metastatic CRC having at least one measurable (>1 cm) liver metastasis receiving first-line chemotherapy were included...
December 2017: EJNMMI Research
https://www.readbyqxmd.com/read/28687961/allogeneic-adipose-derived-mesenchymal-stem-cell-transplantation-enhances-the-expression-of-angiogenic-factors-in-a-mouse-acute-hindlimb-ischemic-model
#4
Ngoc Bich Vu, Ha Thi-Ngan Le, Thuy Thi-Thanh Dao, Lan Thi Phi, Ngoc Kim Phan, Van Thanh Ta
Cell migration and molecular mechanisms during healing of damaged vascular or muscle tissues are emerging fields of interest worldwide. The study herein focuses on evaluating the role of allogenic adipose-derived mesenchymal stem cells (ADMSCs) in restoring damaged tissues. Using a hindlimb ischemic mouse model, ADMSC-mediated induction of cell migration and gene expression related to myocyte regeneration and angiogenesis were evaluated. ADMSCs were labeled with GFP (ADMSC-GFP). The proximal end of the femoral blood vessel of mice (over 6 months of age) are ligated at two positions then cut between the two ties...
July 8, 2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28683299/effectiveness-and-feasibility-of-nailfold-microcirculation-test-to-screen-for-diabetic-peripheral-neuropathy
#5
Guotao Hu, Fanglong Zhai, Feifei Mo, Li He, Weiya Shen, Hailan Wang
AIMS: The nailfold microcirculation index (MI) is a non-invasive, objective, and highly sensitive blood capillary detection method. This study evaluated the diagnostic efficiency of the nailfold MI relative to the more subjective vibration perception threshold (VPT) examination for early diagnostic screening of diabetic peripheral neuropathy (DPN). METHODS: From February 2015 to February 2016, 227 diabetes mellitus patients and 39 healthy individuals were enrolled...
June 13, 2017: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/28660853/fluorescence-lifetime-based-bioassays
#6
Franz-Josef Meyer-Almes
Fluorescence lifetime (FLT) is a robust intrinsic property and material constant of fluorescent matter. Measuring this important physical indicator has evolved from a laboratory curiosity to a powerful and established technique for a variety of applications in drug discovery, medical diagnostics and basic biological research. This distinct trend was mainly driven by improved and meanwhile affordable laser and detection instrumentation on the one hand and the development of suitable FLT probes and biological assays on the other...
June 29, 2017: Methods and Applications in Fluorescence
https://www.readbyqxmd.com/read/28654205/driving-toward-precision-medicine-for-acute-leukemias-are-we-there-yet
#7
Clement Chung, Hilary Ma
Despite recent progress in the understanding of the molecular basis of acute leukemias, treatment options for these diseases have not shown significant changes over the last few decades. In this review, we present a nonexhaustive key summary of the current cytogenetic and molecular changes associated with acute leukemias in disease prognostication and potential targeted therapies. An emerging paradigm is that many genetic or molecular alterations target similar signal transduction, transcriptional, and epigenetic pathways...
June 27, 2017: Pharmacotherapy
https://www.readbyqxmd.com/read/28641227/presence-distribution-and-risk-assessment-of-polycyclic-aromatic-hydrocarbons-in-rice-wheat-continuous-cropping-soils-close-to-five-industrial-parks-of-suzhou-china
#8
Yong Li, Ling Long, Jing Ge, Li-Xuan Yang, Jin-Jin Cheng, Ling-Xiang Sun, Changying Lu, Xiang-Yang Yu
Polycyclic aromatic hydrocarbons (PAHs) accumulated in agricultural soils are likely to threaten human health and ecosystem though the food chain, therefore, it is worth to pay more attention to soil contamination by PAHs. In this study, the presence, distribution and risk assessment of 16 priority PAHs in rice-wheat continuous cropping soils close to industrial parks of Suzhou were firstly investigated. The concentrations of the total PAHs ranged from 125.99 ng/g to 796.65 ng/g with an average of 352.94 ng/g...
June 15, 2017: Chemosphere
https://www.readbyqxmd.com/read/28626137/novel-palm-fatty-acid-functionalized-magnetite-nanoparticles-for-magnetic-solid-phase-extraction-of-trace-polycyclic-aromatic-hydrocarbons-from-environmental-samples
#9
Siti Khalijah Mahmad Rozi, Hamid Rashidi Nodeh, Muhammad Afzal Kamboh, Ninie Suhana Abdul Manan, Sharifah Mohamad
A novel adsorbent, palm fatty acid coated magnetic Fe3O4 nanoparticles (MNP-FA) was successfully synthesized with immobilization of the palm fatty acid onto the surface of MNPs. The successful synthesis of MNP-FA was further confirmed by X-Ray diffraction (XRD), transmission electron microscopy (TEM), Fourier transform infrared spectroscopy (FT-IR) and Energy dispersive X-Ray spectroscopy (EDX) analyses and water contact angle (WCA) measurement. This newly synthesized MNP-FA was applied as magnetic solid phase extraction (MSPE) adsorbent for the enrichment of polycyclic aromatic hydrocarbons (PAHs), namely fluoranthene (FLT), pyrene (Pyr), chrysene (Cry) and benzo(a)pyrene (BaP) from environmental samples prior to High Performance Liquid Chromatography- Diode Array Detector (HPLC-DAD) analysis...
June 13, 2017: Journal of Oleo Science
https://www.readbyqxmd.com/read/28623325/fluorescence-lifetime-imaging-microscopy-a-novel-diagnostic-tool-for-metastatic-cell-detection-in-the-cerebrospinal-fluid-of-children-with-medulloblastoma
#10
Sivan Gershanov, Shalom Michowiz, Helen Toledano, Gilad Yahav, Orit Barinfeld, Avraham Hirshberg, Haim Ben-Zvi, Gabriel Mircus, Mali Salmon-Divon, Dror Fixler, Nitza Goldenberg-Cohen
In pediatric brain tumours, dissemination of malignant cells within the central nervous system confers poor prognosis and determines treatment intensity, but is often undetectable by imaging or cytology. This study describes the use of fluorescence lifetime (FLT) imaging microscopy (FLIM), a novel diagnostic tool, for detection of metastatic spread. The study group included 15 children with medulloblastoma and 2 with atypical teratoid/rhabdoid tumour. Cells extracted from the tumour and the cerebrospinal fluid (CSF) 2 weeks postoperatively and repeatedly during chemo/radiotherapy were subjected to nuclear staining followed by FLT measurement and cytological study...
June 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28619020/medical-students-can-teach-communication-skills-a-mixed-methods-study-of-cross-year-peer-tutoring
#11
Osamu Nomura, Hirotaka Onishi, Hiroyuki Kato
BACKGROUND: Cross-year peer tutoring (CYPT) of medical students is recognized as an effective learning tool. The aim of this study is to investigate the non-inferiority of the objective outcome of medical interview training with CYPT compared with the results of faculty-led training (FLT), and to explore qualitatively the educational benefits of CYPT. METHODS: We conducted a convergent mixed methods study including a randomized controlled non-inferiority trial and two focus groups...
June 15, 2017: BMC Medical Education
https://www.readbyqxmd.com/read/28612546/-quality-control-and-biological-assessment-of-automated-synthesized-3-deoxy-3-%C3%A2-%C3%A2-f-fluorothymidine-using-cfn-mps-200-module
#12
Xiao Jiang, Xiao-Xiong Wang, Hao Lu, Shi-Rong Chen, Ding-Qiong Xiao, Meng Zhao, Xiu-Li Li, Ge Zhang, Guo-Hui Xu, Zhu-Zhong Cheng
OBJECTIVES: To synthesize 3'-deoxy-3'-¹⁸F-fluorotyhymidine)(¹⁸F-FLT) using CFN-MPS-200 automatic synthesis module, and evaluate its distribution in Wistar rats. METHODS: We used 3-N-Boc-5!d-O-dimethoxytrityl-3!d-O-nosyl-thymidine (Boc-FLT)-percursor as raw material to synthesize ¹⁸F-FLT without residual solvents. Its radiochemical purity was confirmed with radio-HPLC and thin layer chromatography (TLC). Normal Wistar rats were injected with (18) F-FLT and underwent PET scanning...
March 2017: Sichuan da Xue Xue Bao. Yi Xue Ban, Journal of Sichuan University. Medical Science Edition
https://www.readbyqxmd.com/read/28612247/-18-f-fluorothymidine-pet-imaging-in-gliomas-an-update
#13
Alexandra Nikaki, George Angelidis, Roxani Efthimiadou, Ioannis Tsougos, Varvara Valotassiou, Konstantinos Fountas, Vasileios Prasopoulos, Panagiotis Georgoulias
Brain neoplasms constitute a group of tumors with discrete differentiation grades, and therefore, course of disease and prognosis. Magnetic resonance imaging (MRI) remains the gold standard method for the investigation of central nervous system tumors. However, MRI suffers certain limitations, especially if radiation therapy or chemotherapy has been previously applied. On the other hand, given the development of newer radiopharmaceuticals, positron emission tomography (PET) aims to a better investigation of brain tumors, assisting in the clinical management of the patients...
June 13, 2017: Annals of Nuclear Medicine
https://www.readbyqxmd.com/read/28609172/placental-expression-of-sflt-1-and-plgf-in-early-preeclampsia-vs-early-iugr-vs-age-matched-healthy-pregnancies
#14
Alice Hoeller, Laura Ehrlich, Michaela Golic, Florian Herse, Frank H Perschel, Monika Siwetz, Wolfgang Henrich, Ralf Dechend, Berthold Huppertz, Stefan Verlohren
OBJECTIVE: To investigate whether differences between early preeclampsia and early fetal growth restriction can be explained by differential placental expression patterns of sFlt-1, Flt-1, and PlGF. METHODS: Placental tissues and maternal blood samples from six cases of preeclampsia, seven IUGR, and six age-matched controls were studied for mRNA and protein levels as well as protein localization and expression intensity. RESULTS: Neither placental PlGF mRNA and protein expression nor placental villous trophoblast expression intensity of PlGF was altered by placental dysfunction...
May 2017: Hypertension in Pregnancy
https://www.readbyqxmd.com/read/28602865/anti-angiogenic-activity-of-water-extract-from-euphorbia-pekinensis-rupr
#15
Wenting Zhang, Bin Liu, Yaru Feng, Jie Liu, Zhiqiang Ma, Jian Zheng, Qing Xia, Yuanyuan Ni, Farong Li, Ruichao Lin
ETHNOPHARMACOLOGICAL RELEVANCE: Euphorbia pekinensis Rupr. (EP) is a Euphorbia species of Euphorbiaceae, which is widely used in traditional Chinese medicine. It has been reported to exhibit therapeutic effects on solid tumors, leukemias, and malignant ascites although underlying molecular mechanisms are poorly delineated. Anti-angiogenic therapy is a recognized strategy for treating cancer-based solid tumors, and is also associated with malignant ascites treatment. STUDY AIM: To study the anti-angiogenic properties of the water extract of EP vinegar preparation (WEVEP)...
July 12, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28587031/validation-of-18-f-flt-pet-as-an-imaging-surrogate-of-tumor-reproliferation-during-fractionated-radiation-therapy-spatial-coincidence-of-8-f-flt-uptake-and-immunohistochemistry-ki-67
#16
X Meng, X Zhang, X Sun, J Yu, J Yu
No abstract text is available yet for this article.
May 1, 2017: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/28587000/exploring-spatial-overlap-of-high-uptake-regions-derived-from-dual-tracer-pet-ct-imaging-using-18f-fdg-and-18f-flt-in-non-small-cell-lung-cancer-patients-a-prospective-pilot-study
#17
J Liu, C Li, M Hu, J Lu, X Shi, L Xing, X Sun, Z Fu, J Yu, X Meng
No abstract text is available yet for this article.
May 1, 2017: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/28586982/comparison-of-tumor-volumes-as-determined-by-pathologic-examination-and-flt-pet-ct-images-of-non-small-cell-lung-cancer-a-pilot-study
#18
Z Gao, X Meng, X Chen, X Sun, J Yu
No abstract text is available yet for this article.
May 1, 2017: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/28583279/pet-in-benign-bone-marrow-disorders
#19
REVIEW
Wouter van der Bruggen, Andor W J M Glaudemans, Edo Vellenga, Riemer H J A Slart
This review aims to describe the current status of benign bone marrow (BM) imaging using PET. BM imaging is important as the BM is not only involved in poiesis of different vital cell lines and can be affected by primary BM disorders, but it is also frequently affected by several extramedullary diseases. Indications for the use of PET in benign BM disorders are the detection of extramedullary hematopoiesis, evaluation of patients with a discrepancy between BM histology and clinical status, visualizing BM infarctions, location of the optimal site for BM biopsy, diagnosing and staging of other hematological BM disorders, evaluation of radiotherapy effect on BM, and evaluation of BM transplantation...
July 2017: Seminars in Nuclear Medicine
https://www.readbyqxmd.com/read/28580185/the-soluble-vegf-receptor-sflt-1-contributes-to-impaired-neovascularization-in-aged-mice
#20
Guangxian Zhao, Xian W Cheng, Limei Piao, Lina Hu, Yanna Lei, Guang Yang, Aiko Inoue, Shinyu Ogasawara, Hongxian Wu, Chang-Ning Hao, Kenji Okumura, Masafumi Kuzuya
The mechanism by which angiogenesis declines with aging is not fully understood. Soluble vascular endothelial growth factor receptor 1 (VEGFR1) form (sFlt1) contributes to endothelial dysfunction in pathological conditions. However, the roles of sFlt1 in ischemia-induced neovascularizationof aged animals have not been investigated. To study aging-related sFlt1 change and its impact on ischemia-induced neovascularization, a hindlimb ischemia model was applied to young and aged mice. Blood flow imaging assay revealed that the blood flow recovery remained impaired throughout the follow-up period...
May 2017: Aging and Disease
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