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https://www.readbyqxmd.com/read/29050263/the-prognostic-value-of-osteopontin-in-limited-stage-small-cell-lung-cancer-patients-and-its-mechanism
#1
Fanglei Liu, Chunxue Bai, Zhongliang Guo
Osteopontin (OPN) is known to be overexpressed in numerous carcinomas. Although abundant OPN has been reported to be correlated with poor survival in non-small cell lung cancer (NSCLC) but their clinical and prognostic significance in SCLC remains unknown. In this study, RNA-sequencing was used to obtain gene expression data in SCLC tissue samples and OPN expression levels were then investigated using qPCR, immunohistochemical and Western blot. We found OPN was one of the most upregulated genes. Besides, the correlation of OPN with tumor clinicopathological characteristics was evaluated and we found OPN was associated with advanced tumor stages...
September 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/29050239/application-of-in-vivo-imaging-techniques-to-monitor-therapeutic-efficiency-of-plx4720-in-an-experimental-model-of-microsatellite-instable-colorectal-cancer
#2
Sarah Rohde, Tobias Lindner, Stefan Polei, Jan Stenzel, Luise Borufka, Sophie Achilles, Eric Hartmann, Falko Lange, Claudia Maletzki, Michael Linnebacher, Änne Glass, Sarah Marie Schwarzenböck, Jens Kurth, Alexander Hohn, Brigitte Vollmar, Bernd Joachim Krause, Robert Jaster
OBJECTIVES: Patient-derived tumor cell lines are a powerful tool to analyze the sensitivity of individual tumors to specific therapies in mice. An essential prerequisite for such an approach are reliable quantitative techniques to monitor tumor progression in vivo. METHODS: We have employed HROC24 cells, grown heterotopically in NMRI Foxn1(nu) mice, as a model of microsatellite instable colorectal cancer to investigate the therapeutic efficiencies of 5'-fluorouracil (5'-FU) and the mutant BRAF inhibitor PLX4720, a vemurafenib analogue, by three independent methods: external measurement by caliper, magnetic resonance imaging (MRI) and positron emission tomography/computed tomography (PET/CT) with 2-deoxy-2-((18)F)fluoro-D-glucose ((18)F-FDG)...
September 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/29049978/targeting-eif4e-inhibits-growth-survival-and-angiogenesis-in-retinoblastoma-and-enhances-efficacy-of-chemotherapy
#3
Genguo Wang, Zhi Li, Zhuojun Li, Yi Huang, Xiaochun Mao, Chang Xu, Sha Cui
Although the eukaryotic translation initiation factor 4E (eIF4E) has been shown to be critically involved in the transformation and progression of various tumors, little is known about the role of eIF4E in retinoblastoma. In this work, we report that ribavirin, a pharmacologic inhibitor of eIF4E function, effectively targets retinoblastoma and angiogenesis. Ribavirin treatment dose-dependently blocked the growth and stimulated apoptosis in various retinoblastoma cell lines, with IC50 values that are within the clinically achievable range...
October 16, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29049614/anticoagulation-management-following-left-ventricular-assist-device-implantation-is-similar-across-all-provider-strategies
#4
Asia McDavid, Kelly MacBrair, Sitaramesh Emani, Lianbo Yu, Peter H U Lee, Bryan A Whitson, Brent C Lampert, Riddhima Agarwal, Ahmet Kilic
OBJECTIVES: Thromboembolic and bleeding events are potential complications following left ventricular assist device implantation. A tight control of the international normalized ratio (INR) is believed to be crucial in the reduction of postimplant complications. There is significant variability among institutions as to whether a device implanting centre should be managing the INR. In this study, we evaluated the effect of INR management strategies in maintaining a therapeutic INR. METHODS: A retrospective review was utilized to identify patients implanted with either the HeartMate II or the HeartWare HVAD between January 2011 and February 2016...
August 14, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/29049542/nanoparticle-optimization-for-enhanced-targeted-anti-cancer-drug-delivery
#5
Ibrahim Chamseddine, Michael Kokkolaras
Nanoparticle-based drug delivery is a promising method to increase the therapeutic index of anti-cancer agents with low median toxic dose. The delivery efficiency, corresponding to the fraction of the injected nanoparticles that adhere to the tumor site, depends on nanoparticle size $a$ and aspect ratio $AR$. Currently, values for these variables are chosen empirically, and may not yield optimal targeted drug delivery. This study applies rigorous optimization to the design of nanoparticles. A preliminary investigation revealed that delivery efficiency increases monotonically with $a$ and $AR$...
October 16, 2017: Journal of Biomechanical Engineering
https://www.readbyqxmd.com/read/29049350/an-integrative-in-silico-approach-for-therapeutic-target-identification-in-the-human-pathogen-corynebacterium-diphtheriae
#6
Syed Babar Jamal, Syed Shah Hassan, Sandeep Tiwari, Marcus V Viana, Leandro de Jesus Benevides, Asad Ullah, Adrián G Turjanski, Debmalya Barh, Preetam Ghosh, Daniela Arruda Costa, Artur Silva, Richard Röttger, Jan Baumbach, Vasco A C Azevedo
Corynebacterium diphtheriae (Cd) is a Gram-positive human pathogen responsible for diphtheria infection and once regarded for high mortalities worldwide. The fatality gradually decreased with improved living standards and further alleviated when many immunization programs were introduced. However, numerous drug-resistant strains emerged recently that consequently decreased the efficacy of current therapeutics and vaccines, thereby obliging the scientific community to start investigating new therapeutic targets in pathogenic microorganisms...
2017: PloS One
https://www.readbyqxmd.com/read/29049126/shear-wave-elastography-for-the-assessment-of-liver-fibrosis-in-liver-transplant-recipients-treated-for-hepatitis-c-virus-recurrence
#7
David Korda, Zsuzsanna M Lenard, Zsuzsanna Gerlei, Zsuzsanna Jakab, Anita Haboub-Sandil, Laszlo Wagner, Marina Varga, Orsolya Cseprekal, Adrienn Marton, Denes Horvathy, Szabolcs Takacs, Attila Doros, Zoltan Mathe
OBJECTIVES: Direct-acting antiviral agents have revolutionized hepatitis C therapy, and are also found to be effective in the liver transplant setting. The extent of liver fibrosis influences patient management and is used to monitor therapeutic effects. Shear-wave elastography (SWE) is a relatively new imaging-based method that has not yet been studied extensively in liver transplant patients. Our aim was to study the effect of direct-acting antivirals in heaptitis C recurrence on liver stiffness determined by SWE...
October 18, 2017: European Journal of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/29048672/de-novo-synthesis-of-c4-4a-in-hepatocellular-carcinoma-promotes-migration-and-invasion-of-tumor-cells
#8
Magdalena Görtz, Uwe Galli, Thomas Longerich, Margot Zöller, Ulrike Erb, Peter Schemmer
C4.4A is a glycoprotein that is upregulated in several human malignancies, including colorectal, breast and renal cell carcinomas. Due to its highly restricted expression in healthy tissue, C4.4A was proposed as a potential diagnostic marker. Thus, the present study was designed to evaluate C4.4A expression and function in hepatocellular carcinoma (HCC) for the first time. Immunohistochemistry was performed to detect expression of C4.4A in human sections of healthy liver, primary HCC in the liver and metastatic HCC in the lung...
September 20, 2017: Oncology Reports
https://www.readbyqxmd.com/read/29046921/pioglitazone-reduces-cold-induced-brown-fat-glucose-uptake-despite-induction-of-browning-in-cultured-human-adipocytes-a-randomised-controlled-trial-in-humans
#9
Rebecca K C Loh, Melissa F Formosa, Nina Eikelis, David A Bertovic, Mitchell J Anderson, Shane A Barwood, Shane Nanayakkara, Neale D Cohen, Andre La Gerche, Anne T Reutens, Kenneth S Yap, Thomas W Barber, Gavin W Lambert, Martin H Cherk, Stephen J Duffy, Bronwyn A Kingwell, Andrew L Carey
AIMS/HYPOTHESIS: Increasing brown adipose tissue (BAT) activity is a possible therapeutic strategy to increase energy expenditure and glucose and lipid clearance to ameliorate obesity and associated comorbidities. The thiazolidinedione (TZD) class of glucose-lowering drugs increase BAT browning in preclinical experimental models but whether these actions extend to humans in vivo is unknown. The aim of this study was to determine the effect of pioglitazone treatment on adipocyte browning and adaptive thermogenesis in humans...
October 18, 2017: Diabetologia
https://www.readbyqxmd.com/read/29046623/biocompatible-d-a-semiconducting-polymer-nanoparticle-with-light-harvesting-unit-for-highly-effective-photoacoustic-imaging-guided-photothermal-therapy
#10
Jinfeng Zhang, Caixia Yang, Rui Zhang, Rui Chen, Zhenyu Zhang, Wenjun Zhang, Shih-Hao Peng, Xiaoyuan Chen, Gang Liu, Chain-Shu Hsu, Chun-Sing Lee
The development of nanotheranostic agents that integrate diagnosis and therapy for effective personalized precision medicine has obtained tremendous attention in the past few decades. In this report, biocompatible electron donor-acceptor conjugated semiconducting polymer nanoparticles (PPor-PEG NPs) with light-harvesting unit is prepared and developed for highly effective photoacoustic imaging guided photothermal therapy. To the best of our knowledge, it is the first time that the concept of light-harvesting unit is exploited for enhancing the photoacoustic signal and photothermal energy conversion in polymer-based theranostic agent...
April 5, 2017: Advanced Functional Materials
https://www.readbyqxmd.com/read/29046075/portal-hypertension-and-chylous-ascites-complicating-acute-pancreatitis-the-therapeutic-value-of-portal-vein-stenting
#11
S Poo, T D Pencavel, J Jackson, L R Jiao
Chylous ascites as a consequence of acute pancreatitis is very rare. We present an unusual case of a 73-year-old man who developed refractory chylous ascites one month after an acute severe episode of gallstone pancreatitis, associated with portal hypertension. He was successfully treated with portal vein stenting, which has remained patent to date.
October 19, 2017: Annals of the Royal College of Surgeons of England
https://www.readbyqxmd.com/read/29045804/matrine-induced-g0-g1-arrest-and-apoptosis-in-human-acute-t-cell-lymphoblastic-leukemia-t-all-cells
#12
Aslı Tetik Vardarlı, Zekeriya Düzgün, Ceren Erdem, Burçin Tezcanli Kaymaz, Zuhal Eroglu, Vildan Bozok Çetintas
Matrine, a natural product extracted from the root of Sophora flavescens, is a promising alternative drug in different types of cancer. Here, we aimed to investigate the therapeutic effects and underlying molecular mechanisms of matrine on human acute lymphoblastic leukemia (ALL) cell line, CCRF-CEM. Cell viability and IC50 values were determined by WST-1 cell cytotoxicity assay. Cell cycle distribution and apoptosis rates were analyzed by flow cytometry. Expression patterns of 44 selected miRNAs and 44 RNAs were analyzed by quantitative reverse transcription polymerase chain reaction (qRT-PCR) using the Applied Biosystems 7500 Fast Real-Time PCR System...
October 18, 2017: Bosnian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/29044915/pre-discharge-and-early-post-discharge-troponin-elevation-among-patients-hospitalized-for-heart-failure-with-reduced-ejection-fraction-findings-from-the-astronaut-trial
#13
Stephen J Greene, Javed Butler, Gregg C Fonarow, Haris P Subacius, Andrew P Ambrosy, Muthiah Vaduganathan, Marco Triggiani, Scott D Solomon, Eldrin F Lewis, Aldo P Maggioni, Michael Böhm, Ovidiu Chioncel, Savina Nodari, Michele Senni, Faiez Zannad, Mihai Gheorghiade
AIMS: Troponin levels are commonly elevated among patients hospitalized for heart failure (HF), but the prevalence and prognostic significance of early post-discharge troponin elevation are unclear. This study sought to describe the frequency and prognostic value of pre-discharge and post-discharge troponin elevation, including persistent troponin elevation from the inpatient to outpatient settings. METHODS AND RESULTS: The ASTRONAUT trial (NCT00894387; http://www...
October 17, 2017: European Journal of Heart Failure
https://www.readbyqxmd.com/read/29044858/pharmacological-and-chemical-features-of-nepeta-l-genus-its-importance-as-a-therapeutic-agent
#14
REVIEW
Ipek Süntar, Seyed Mohammad Nabavi, Davide Barreca, Nicolas Fischer, Thomas Efferth
Medicinal plants have always had great value for the human population due to their valuable constituents and potential bioactivities. The objective of this review is to present an updated overview of an important medicinal plant genus Nepeta L., from the family Lamiaceae, revealing its traditional utilization, biological activity, phytoconstituents, and mechanisms of action. For this purpose, a literature survey was carried out by using SciFinder, ScienceDirect, Scopus, PubMed, and Web of Science followed by a revision of the bibliographies of the related articles...
October 18, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/29044445/development-of-a-screening-test-for-cognitive-impairment-in-alcoholic-population-tedca
#15
Rosa Jurado-Barba, Andrés Martínez, Ana Sion, María J Álvarez-Alonso, Adán Robles, Rafael Quinto-Guillen, Gabriel Rubio
INTRODUCTION: Several studies have found cognitive impairment in patients with a history of alcohol use disorder, affecting their psychosocial functioning and the achievement of therapeutic goals. In order to identify these effects, several cognitive screening tests have been used, though they were not specific for alcoholic population, possibly leading to an increase in the risk of error. OBJECTIVE: The aim of this study is to assess the main cognitive deficits in patients with history of alcohol use disorders, through the development of a specific screening test for alcohol-related cognitive impairment...
September 2017: Actas Españolas de Psiquiatría
https://www.readbyqxmd.com/read/29044353/the-daily-practiced-post-partum-hemorrhage-management-an-italian-multidisciplinary-attended-protocol
#16
G Affronti, V Agostini, A Brizzi, L Bucci, E De Blasio, M G Frigo, C Giorgini, M Messina, A Ragusa, F Sirimarco, A Svelato
Postpartum hemorrhage (PPH) is one of the most frequent causes of mortality and morbidity in the obstetric population globally, causing about a quarter of maternal deaths yearly, and is the leading cause of maternal death worldwide. The management of PPH remains a topic of great debate, even in view of new diagnostic and therapeutic possibilities in recent years, for which, however, the body of evidence available thus far is still scarce, as the standard values are lacking. The protocol hereby presented was developed after a literature review and during several meetings of an Italian multidisciplinary task group of specialists adopting a modified Delphi method, and is the result of the synthesis of therapeutic operational protocols for the treatment of PPH applied by the different specialties within the team...
September 2017: La Clinica Terapeutica
https://www.readbyqxmd.com/read/29044352/-sulphurous-vaginal-douching-and-vulvovaginal-atrophy
#17
M Costantino, V Conti, M B Marongiu, G Napolano, A Filippelli
OBJECTIVE: During climacteric the reduction or interruption of estrogenic stimulus determines a gradual atrophy of the tissues of the urogenital tract.Vulvovaginal atrophy can be cause of dryness, itch, burning, and dyspareunia. Vulvovaginal atrophy is associated also with depression. Hence the importance of an appropriate treatment of the vulvovaginal atrophy. Between therapeutic options we can add, particularly for women who suffer only from vaginal symptoms, the spa therapy that uses mineral waters with benefic effects on vaginal tissue wellness and health...
September 2017: La Clinica Terapeutica
https://www.readbyqxmd.com/read/29044305/dysglycemia-in-the-critically-ill-patient-current-evidence-and-future-perspectives
#18
Ignacio Aramendi, Gastón Burghi, William Manzanares
Dysglycemia in critically ill patients (hyperglycemia, hypoglycemia, glycemic variability and time in range) is a biomarker of disease severity and is associated with higher mortality. However, this impact appears to be weakened in patients with previous diabetes mellitus, particularly in those with poor premorbid glycemic control; this phenomenon has been called "diabetes paradox". This phenomenon determines that glycated hemoglobin (HbA1c) values should be considered in choosing glycemic control protocols on admission to an intensive care unit and that patients' target blood glucose ranges should be adjusted according to their HbA1c values...
July 2017: Revista Brasileira de Terapia Intensiva
https://www.readbyqxmd.com/read/29044015/-argentina-enacts-first-law-on-medical-use-of-the-cannabis-plant-history-and-perspectives
#19
Eduardo L De Vito
In the last few years, great expectations have risen in the society concerning the eventual therapeutic usefulness of compounds derived from the cannabis plant. It is well known that these compounds are being used in treating certain health conditions, either through medical prescription or self-administration. Extreme opinions range from believing that it is a harmful and dangerous drug to sustaining that it is a panacea. However, the sheer existence of an endocannabinoid system in the brain compels us to study its dimensions and derivations thoroughly...
2017: Medicina
https://www.readbyqxmd.com/read/29043114/expression-of-stk11-gene-and-its-promoter-activity-in-mcf-control-and-cancer-cells
#20
Asma Alkaf, Abdulaziz Al-Jafari, Tanveer A Wani, Somaya Alqattan, Seema Zargar
Serine/threonine kinase gene (STK11) is identified as tumor suppressor gene whose mutation can lead to Peutz-Jeghers syndrome (PJS). STK11 is emerging as a multifunctional protein, it activates 14 different AMP-activated protein kinase (AMPK) family members, important in the regulation of cell polarity, cell cycle arrest, energy and hemostasis. Present study was designed to evaluate STK11 mRNA expression in MCF-7 cancer and MCF-10 normal breast cells lines. mRNA expression was studied by real-time PCR. Further, human STK11 promoter construct was fused to a luciferase reporter and transfected into both MCF-7 and MCF-10 cells to identify the promoter activity in these cells...
December 2017: 3 Biotech
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