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https://www.readbyqxmd.com/read/28446015/realistic-electric-field-mapping-of-anisotropic-muscle-during-electrical-stimulation-using-a-combination-of-water-diffusion-tensor-and-electrical-conductivity
#1
Bup Kyung Choi, Tong In Oh, Saurav Zk Sajib, Jin Woong Kim, Hyung Joong Kim, Oh In Kwon, Eung Je Woo
PURPOSE: To realistically map the electric fields of biological tissues using a diffusion tensor magnetic resonance electrical impedance tomography (DT-MREIT) method to estimate tissue response during electrical stimulation. METHODS: Imaging experiments were performed using chunks of bovine muscle. Two silver wire electrodes were positioned inside the muscle tissue for electrical stimulation. Electric pulses were applied with a 100-V amplitude and 100-μs width using a voltage stimulator...
April 2017: International Neurourology Journal
https://www.readbyqxmd.com/read/28446013/the-in-vivo-effect-of-ytterbium-doped-fiber-laser-on-rat-buccal-mucosa-as-a-simulation-of-its-effect-on-the-urinary-tract-a-preclinical-histopathological-evaluation
#2
Songzhe Piao, Yue Wang, Young Ju Lee, Seungsoo Hong, Yoonchan Jeong, Seung-June Oh
PURPOSE: The aim of this study was to perform a histological analysis of the effect of a ytterbium-doped fiber (YDF) laser on oral buccal mucosa tissue in vivo to simulate its effect on the mucosa of the lower urinary tract. METHODS: A total of 90 8-week-old Sprague-Dawley rats were anesthetized with urethrane (1.2 g/kg intraperitoneally). A prespecified inner buccal mucosal site was irradiated with a YDF master-oscillator power amplifier (MOPA) system for 60 seconds, with output power settings of 0...
April 2017: International Neurourology Journal
https://www.readbyqxmd.com/read/28446006/trending-speculations-of-tumor-initiating-cells-in-squamous-cell-cancers-of-head-and-neck
#3
REVIEW
Wasim Kamate, Rajendra Baad, Nupura Vibhute, Uzma Belgaumi, Vidya Kadashetti, Sushma Gugwad
Tumor-initiating cells are a diminutive subpopulation of stem cells that have ability of long term self-renewal and generation of varied traits of tumor cell population. Understanding the concept of tumor-initiating cells may have a great implicative intimation for our comprehension of cancer pathobiology and for the delineation of new therapies directed towards these stem cells. The present review is an endeavor to conceptualize the role of tumor-initiating cells in the Squamous Cell Cancers (SCC) of head and neck, their role in tumorigenesis and the possible supplementary approach in the latest treatment modalities...
April 30, 2017: International Journal of Stem Cells
https://www.readbyqxmd.com/read/28445986/high-bmi1-mrna-expression-in-peripheral-whole-blood-is-associated-with-favorable-prognosis-in-advanced-non-small-cell-lung-cancer-patients
#4
Ana Koren, Matija Rijavec, Eva Sodja, Izidor Kern, Aleksander Sadikov, Viljem Kovac, Peter Korosec, Tanja Cufer
Polycomb group member protein BMI1 is involved in maintaining cell identity, proliferation, differentiation and human oncogenesis. In the present study, we determined BMI1 mRNA expression in whole blood and evaluated the impact of the expression level on the treatment response and survival of 96 advanced NSCLC patients treated with first-line platinum-based chemotherapy. We also determined BMI1 mRNA expression in primary tumors from 22 operable NSCLC patients treated with radical surgery. We found that compared with control subjects, BMI1 mRNA expression in whole blood of advanced NSCLC patients was decreased (P<0...
April 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28445948/combined-mek-and-pi3-kinase-inhibition-reveals-synergy-in-targeting-thyroid-cancer-in-vitro-and-in-vivo
#5
Oussama ElMokh, Dorothée Ruffieux-Daidié, Matthias A Roelli, Amandine Stooss, Wayne A Phillips, Jürg Gertsch, Matthias S Dettmer, Roch-Philippe Charles
Anaplastic thyroid cancers and radioiodine resistant thyroid cancer are posing a major treat since surgery combined with Iodine131 therapy is ineffective on them. Small-molecule inhibitors are presenting a new hope for patients, but often lead to drug resistance in many cancers. Based on the major mutations found in thyroid cancer, we propose the combination of a MEK inhibitor and a Pi3'-kinase inhibitor in pre-clinical models. We used human thyroid cancer cell lines and genetically engineered double mutant BRAFV600E PIK3CAH1047R mice to evaluate the effect of both inhibitors separately or in combination in terms of proliferation and signaling in vitro; tumor burden, histology, cell death induction and tumor markers expression in vivo...
April 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28445932/high-cftr-expression-in-philadelphia-chromosome-positive-acute-leukemia-protects-and-maintains-continuous-activation-of-bcr-abl-and-related-signaling-pathways-in-combination-with-pp2a
#6
Xi Yang, Tianyou Yan, Yuping Gong, Xuehua Liu, Huaqin Sun, Wenming Xu, Chunsen Wang, Duolan Naren, Yuhuan Zheng
Cystic fibrosis transmembrane conductance regulator (CFTR) is classified as an anion channel transporter of Cl- and HCO3-. Through interactions with its PDZ domain, CFTR is capable of regulating other proteins, such as protein phosphatase 2A (PP2A). The aberrant expression and mutation of CFTR have been observed in several tumor, but not in philadelphia chromosome-positive(Ph+) acute leukemia, including Ph+ B cell acute lymphoblastic leukemia(Ph+ B-ALL) and chronic myelogenous leukemia blast crisis phases (CML-BC)...
April 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28445846/a-sharp-robust-and-quantitative-method-by-liquid-chromatography-tandem-mass-spectrometry-for-the-measurement-of-ead-for-acute-radiation-syndrome-and-its-application
#7
Yiwei Zhang, Jian Li, Zhiyun Meng, Xiaoxia Zhu, Hui Gan, Ruolan Gu, Zhuona Wu, Ying Zheng, Jinbin Wei, Guifang Dou
17-Ethinyl-3,17-dihydroxyandrost-5-ene (EAD) is an agent designed for the treatment of acute radiation syndrome (ARS). Given its vital role played in the prevention and mitigation of ARS, the development of a sharp, sensitive and robust liquid chromatography tandem mass spectrometry (LC-MS/MS) method to monitor the metabolism of EAD in vivo was crucial. A new method was constructed and validated for the determination of EAD with the internal standard of androst-5-ene-3β,17β-diol (5-AED). The blood samples were precipitated with methanol, centrifuged, from which the supernatant was separated on UPLC with C18 column and eluted in gradient with acetonitrile and Milli-Q water both containing 0...
April 15, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/28445772/rosiglitazone-pretreatment-influences-thrombin-induced-phagocytosis-by-rat-microglia-via-activating-ppar%C3%AE-and-cd36
#8
Qiong Mu, Likun Wang, Hang Hang, Chunfeng Liu, Guofeng Wu
OBJECTIVE: To explore the protective role of rosiglitazone against secondary brain injury after cerebral hemorrhage, we investigated the effect of rosiglitazone pretreatment on thrombin-induced microglial phagocytosis and described the molecular mechanisms involved in this process. METHODS: Primary microglial cells were obtained from the brain tissue of newborn Sprague-Dawley rats and were randomly divided into four groups: the normal, thrombin stimulation, thrombin-treated plus rosiglitazone, and thrombin-rosiglitazone plus proliferator-activated receptor-gamma (PPARγ) antagonist groups...
April 23, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28445756/membrane-mechanics-of-primary-afferent-neurons-in-the-dorsal-root-ganglia-of-rats
#9
Hirosato Kanda, Jianguo G Gu
Membrane mechanics is an important biological factor regulating many cellular functions including cell motility, intercellular and intracellular signaling, gene expression, and membrane ion channel activity. Primary afferent neurons transduce sensory information about temperature, touch, and pain. These sensory functions may be profoundly affected by the states of primary afferent neuron mechanics. However, membrane mechanics of primary afferent neurons is largely unknown. In this study, we established the optical trapping technique for determining membrane mechanics of cultured primary afferent neurons of the dorsal root ganglia (DRG)...
April 25, 2017: Biophysical Journal
https://www.readbyqxmd.com/read/28445709/gait-analysis-and-weight-bearing-in-pre-clinical-joint-pain-research
#10
Kristina Ängeby Möller, Heta Svärd, Anni Suominen, Jarmo Immonen, Johanna Holappa, Carina Stenfors
BACKGROUND: There is a need for better joint pain treatment, but development of new medication has not been successful. Pre-clinical models with readouts that better reflect the clinical situation are needed. In patients with joint pain, pain at rest and pain at walking are two major complaints. NEW METHOD: We describe a new way of calculating results from gait analysis using the CatWalk™ setup. Rats with monoarthritis induced by injection of Complete Freund's Adjuvant (CFA) intra-articularly into the ankle joint of one hind limb were used to assess gait and dynamic weight bearing...
April 23, 2017: Journal of Neuroscience Methods
https://www.readbyqxmd.com/read/28445631/treating-prolonged-grief-disorder-a-2-year-follow-up-of-a-randomized-controlled-trial
#11
Richard A Bryant, Lucy Kenny, Amy Joscelyne, Natasha Rawson, Fiona Maccallum, Catherine Cahill, Sally Hopwood, Angela Nickerson
BACKGROUND: Prolonged grief disorder (PGD) causes significant impairment in approximately 7% of bereaved people. Although cognitive-behavioral therapy (CBT) has been shown to effectively treat PGD, there is no evidence of long-term effects of CBT. OBJECTIVE: To determine the long-term efficacies of CBT with exposure or CBT without exposure in treating PGD by assessing outcome at 2 years. METHODS: A randomized controlled trial of PGD patients (N = 80) attending an outpatient clinic took place between September 2007 and June 2010, and a 2-year follow-up occurred between December 2009 and October 2012...
April 25, 2017: Journal of Clinical Psychiatry
https://www.readbyqxmd.com/read/28445620/smad4-inhibits-vegf-a-and-vegf-c-expressions-via-enhancing-smad3-phosphorylation-in-colon-cancer
#12
Xuemei Li, Xinlei Li, Xiaohong Lv, Jianbing Xiao, Baoquan Liu, Yafang Zhang
Smad4 is a critical factor in the TGF-β pathway and is involved in tumor progression and metastasis, but the role of Smad4 in colon cancer cells is unclear. The aim of this study is to explore the effect and the underlying mechanism of Smad4 on the growth, migration and apoptosis of colon cancer cells as well as vascular endothelial growth factor (VEGF)-A and VEGF-C secreted by these cells. In this study, we showed that Smad4, VEGF-A and VEGF-C are independent prognostic factors of colon cancer, and Smad4 expression was negatively correlated with VEGF-A and -C in samples...
April 26, 2017: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/28445601/status-epilepticus-in-dogs-and-cats-part-2-treatment-monitoring-and-prognosis
#13
Susan Blades Golubovic, John H Rossmeisl
OBJECTIVE: To discuss current anticonvulsant drug options and advances in treatment of status epilepticus (SE) and to review the prognosis associated with SE. TREATMENT: When treating a patient with SE, the main goals are to halt seizure activity, prevent further seizures, identify the cause of the seizures, and manage any complications. The veterinary literature indicates that benzodiazepines are the most common class of drugs used for the initial treatment of SE...
April 26, 2017: Journal of Veterinary Emergency and Critical Care
https://www.readbyqxmd.com/read/28445555/drug-eluting-balloon-versus-bare-mental-stent-and-drug-eluting-stent-for-de-novo-coronary-artery-disease-a-systematic-review-and-meta-analysis-of-14-randomized-controlled-trials
#14
Kongyong Cui, Shuzheng Lyu, Xiantao Song, Fei Yuan, Feng Xu, Min Zhang, Wei Wang, Dongfeng Zhang, Jing Dai
BACKGROUND: Drug-eluting balloon (DEB) has become an alternative option to drug-eluting stent (DES) for the treatment of in-stent restenosis (ISR). However, the effect of drug-eluting balloon with regular bare-mental stent (BMS) in de novo coronary artery disease (CAD) is unclear. This meta-analysis aimed to evaluate the efficacy of DEB with regular BMS compared to BMS or DES in de novo CAD. METHODS: Randomized controlled trials (RCTs) assessing the efficacy of DEB+BMS in comparison with BMS or DES were obtained by searching the PubMed, EMBASE, and Cochrane Library databases through January 2016...
2017: PloS One
https://www.readbyqxmd.com/read/28445535/microrna-125a-3p-is-regulated-by-myd88-in-legionella-pneumophila-infection-and-targets-ntan1
#15
Elisa Jentho, Malena Bodden, Christine Schulz, Anna-Lena Jung, Kerstin Seidel, Bernd Schmeck, Wilhelm Bertrams
BACKGROUND: Legionella pneumophila (L. pneumophila) is a causative agent of severe pneumonia. It is highly adapted to intracellular replication and manipulates host cell functions like vesicle trafficking and mRNA translation to its own advantage. However, it is still unknown to what extent microRNAs (miRNAs) are involved in the Legionella-host cell interaction. METHODS: WT and MyD88-/- murine bone marrow-derived macrophages (BMM) were infected with L. pneumophila, the transcriptome was analyzed by high throughput qPCR array (microRNAs) and conventional qPCR (mRNAs), and mRNA-miRNA interaction was validated by luciferase assays with 3´-UTR mutations and western blot...
2017: PloS One
https://www.readbyqxmd.com/read/28445516/transplantation-of-induced-mesenchymal-stem-cells-for-treating-chronic-renal-insufficiency
#16
Xing-Hua Pan, Jing Zhou, Xiang Yao, Jun Shu, Ju-Fen Liu, Jian-Yong Yang, Rong-Qing Pang, Guang-Ping Ruan
Discovering a new cell transplantation approach for treating chronic renal insufficiency is a goal of many nephrologists. In vitro-cultured peripheral blood mononuclear cells (PBMCs) were reprogrammed into induced mesenchymal stem cells (iMSCs) by using natural inducing agents made in our laboratory. The stem cell phenotype of the iMSCs was then identified. Unilateral ureteral obstruction (UUO) was used to create an animal model of chronic renal insufficiency characterized by renal interstitial fibrosis. The induced and non-induced PBMCs were transplanted, and the efficacy of iMSCs in treating chronic renal insufficiency was evaluated using a variety of methods...
2017: PloS One
https://www.readbyqxmd.com/read/28445314/bc-prom-validation-of-a-patient-reported-outcomes-measure-for-patients-with-breast-cancer
#17
Xiaojuan Hu, Chunsen Zhang, Yanbo Zhang
Key issues of treatment for patients with breast cancer such as patient satisfaction with treatments, compliance, and some side effects are essential for evaluating quality of life by patient-reported outcomes in clinical trials. The study aimed to develop and evaluate a specific patient-reported measure which included physical, psychological, social, and therapeutic domain for assessing the survival of patients with breast cancer.The pool of items was drafted after a theoretical revision and cognitive interviews with women with breast cancer...
April 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28445290/efficacy-of-quadriceps-vastus-medialis-dry-needling-in-a-rehabilitation-protocol-after-surgical-reconstruction-of-complete-anterior-cruciate-ligament-rupture
#18
Jorge Velázquez-Saornil, Beatriz Ruíz-Ruíz, David Rodríguez-Sanz, Carlos Romero-Morales, Daniel López-López, Cesar Calvo-Lobo
BACKGROUND: Several new rehabilitation modalities have been proposed after anterior cruciate ligament (ACL) reconstruction. Among these, trigger point dry needling (TrP-DN) might be useful in the treatment of myofascial pain syndrome associated with ACL reconstruction to reduce pain intensity, increase knee flexion range and modify the mechanical properties of the quadriceps muscle during late-stage rehabilitation. To date, this is the first randomized clinical trial to support the use of TrP-DN in the early rehabilitation process after ACL reconstruction...
April 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28445252/irreversible-electroporation-in-primary-and-metastatic-hepatic-malignancies-a-review
#19
Tianchu Lyu, Xifu Wang, Zhanliang Su, Junjie Shangguan, Chong Sun, Matteo Figini, Jian Wang, Vahid Yaghmai, Andrew C Larson, Zhuoli Zhang
BACKGROUND: Liver cancer makes up a huge percentage of cancer mortality worldwide. Irreversible electroporation (IRE) is a relatively new minimally invasive nonthermal ablation technique for tumors that applies short pulses of high frequency electrical energy to irreversibly destabilize cell membrane to induce tumor cell apoptosis. METHODS: This review aims to investigate the studies regarding the use of IRE treatment in liver tumors and metastases to liver. We searched PubMed for all of IRE relevant English language articles published up to September 2016...
April 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28445220/catalyzing-interdisciplinary-research-and-training-initial-outcomes-and-evolution-of-the-affinity-research-collaboratives-model
#20
Katya Ravid, Francesca Seta, David Center, Gloria Waters, David Coleman
Team science has been recognized as critical to solving increasingly complex biomedical problems and advancing discoveries in the prevention, diagnosis, and treatment of human disease. In 2009, the Evans Center for Interdisciplinary Biomedical Research (ECIBR) was established in the Department of Medicine at Boston University School of Medicine as a new organizational paradigm to promote interdisciplinary team science. The ECIBR is made up of affinity research collaboratives (ARCs), consisting of investigators from different departments and disciplines who come together to study biomedical problems that are relevant to human disease and not under interdisciplinary investigation at the university...
April 25, 2017: Academic Medicine: Journal of the Association of American Medical Colleges
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