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https://www.readbyqxmd.com/read/27922182/retinoid-derivative-tp80-exhibits-anti-hepatitis-c-virus-activity-through-restoration-of-gi-gpx-expression
#1
Nguyen Bao Ngoc, Yukiko Okuno, Masahiko Ajiro, Kei Iida, Masatsugu Denawa, Makoto Yamamoto, Naoya Sakamoto, Hiroyuki Kagechika, Masatoshi Hagiwara
Hepatitis C virus (HCV) is a positive-sense single-stranded RNA virus with an estimated infection in ∼180 million people worldwide, and its chronic infection leads to development of cirrhosis and hepatocellular carcinoma. Although recent development of direct acting antiviral (DAA) compounds improved anti-HCV regimens, alternative therapeutic compounds are still demanded due to an expected emergence of escape mutants for those DAAs. In order to identify novel anti-HCV agents, we conducted chemical library screening for 2,086 compounds using HCV Rep-Feo reporter replicon in Huh7 hepatoma cells...
December 6, 2016: Journal of Medical Virology
https://www.readbyqxmd.com/read/27922153/-radioiodine-therapy-for-benign-thyroid-diseases-version-5-german-guideline
#2
Markus Dietlein, Frank Grünwald, Matthias Schmidt, Peter Schneider, Frederik A Verburg, Markus Luster
The version 5 of the guideline for radioiodine therapy of benign thyroid disorders is an update of the version 4, which was published by the German Society of Nuclear Medicine (Deutsche Gesellschaft für Nuklearmedizin, DGN) in co-ordination with the German Society of Endocrinology (Deutsche Gesellschaft für Endokrinologie, DGE, Sektion Schilddrüse) and the German Society of General- and Visceral-Surgery (Deutsche Gesellschaft für Allgemein- und Viszeralchirurgie, DGAV) in 2007. This guideline was harmonized with the recommendations of the European Association of Nuclear Medicine (EANM)...
December 6, 2016: Nuklearmedizin. Nuclear Medicine
https://www.readbyqxmd.com/read/27920898/quantum-dots-dna-bioconjugates-synthesis-to-applications
#3
REVIEW
Anusuya Banerjee, Thomas Pons, Nicolas Lequeux, Benoit Dubertret
Semiconductor nanoparticles particularly quantum dots (QDs) are interesting alternatives to organic fluorophores for a range of applications such as biosensing, imaging and therapeutics. Addition of a programmable scaffold such as DNA to QDs further expands the scope and applicability of these hybrid nanomaterials in biology. In this review, the most important stages of preparation of QD-DNA conjugates for specific applications in biology are discussed. Special emphasis is laid on (i) the most successful strategies to disperse QDs in aqueous media, (ii) the range of different conjugation with detailed discussion about specific merits and demerits in each case, and (iii) typical applications of these conjugates in the context of biology...
December 6, 2016: Interface Focus
https://www.readbyqxmd.com/read/27919747/h19-mediates-methotrexate-resistance-in-colorectal-cancer-through-activating-wnt-%C3%AE-catenin-pathway
#4
Ke-Feng Wu, Wei-Cheng Liang, Lu Feng, Jian-Xin Pang, Mary Miu-Yee Waye, Jin-Fang Zhang, Wei-Ming Fu
Colorectal cancer (CRC) is a common malignancy, most of which remain unresponsive to chemotherapy. As one of the earliest cytotoxic drugs, methotrexate (MTX) serves as an anti-metabolite and anti-folate chemotherapy for various cancers. Unfortunately, MTX resistance prevents its clinical application in cancer therapy. Thereby, overcoming the drug resistance is an alternative strategy to maximize the therapeutic efficacy of MTX in clinics. Long noncoding RNAs (lncRNAs) have gained widespread attention in recent years...
December 2, 2016: Experimental Cell Research
https://www.readbyqxmd.com/read/27919491/comparing-outcomes-from-clinical-studies-of-oral-disease-modifying-therapies-dimethyl-fumarate-fingolimod-and-teriflunomide-in-relapsing-ms-assessing-absolute-differences-using-a-number-needed-to-treat-analysis
#5
Mark S Freedman, Xavier Montalban, Aaron E Miller, Catherine Dive-Pouletty, Steven Hass, Karthinathan Thangavelu, Thomas P Leist
Dimethyl fumarate (DMF), fingolimod, and teriflunomide are oral disease-modifying therapies (DMTs) indicated for the treatment of relapsing-remitting multiple sclerosis. Despite well-established limitations of cross-trial comparisons, DMTs are still frequently compared in terms of relative reductions in specific endpoints, most commonly annualized relapse rate. Consideration of absolute risk reduction and number needed to treat (NNT) provides an alternative approach to assess the magnitude of treatment effect and can provide valuable additional information on therapeutic gain...
November 2016: Multiple Sclerosis and related Disorders
https://www.readbyqxmd.com/read/27919234/blended-cbt-versus-face-to-face-cbt-a-randomised-non-inferiority-trial
#6
Kim Mathiasen, Tonny E Andersen, Heleen Riper, Annet A M Kleiboer, Kirsten K Roessler
BACKGROUND: Internet based cognitive behavioural therapy (iCBT) has been demonstrated to be cost- and clinically effective. There is a need, however, for increased therapist contact for some patient groups. Combining iCBT with traditional face-to-face (ftf) consultations in a blended format (B-CBT) may produce a new treatment format with multiple benefits from both traditional CBT and iCBT such as individual adaptation, lower costs than traditional therapy, wide geographical and temporal availability, and possibly lower threshold to implementation...
December 5, 2016: BMC Psychiatry
https://www.readbyqxmd.com/read/27919211/development-of-mlr-and-svm-aided-qsar-models-to-identify-common-sar-of-gaba-uptake-herbal-inhibitors-used-in-the-treatment-of-schizophrenia
#7
Sahila Mohammed Marunnan, Babitha Pallikkara Pulikka, V K Gopalakrishnan, Srinivas Bandaru, Mukesh Yadav, Anuraj Nayarisseri, Victor Arokia Doss
Deficits in GABAnergic system is implicated in the pathophysiology of schizophrenia. Available antipsychotics that target GABA receptor form a desirable therapeutic strategy in the treatment regimen of schizophrenia but, unfortunately, suffers serious setback due to their prolonged side effects. The present investigation focuses on developing QSAR models from the biological activity of herbal compounds and their derivatives that promise to be alternative candidates to GABA uptake inhibitors. Three sets of compounds were undertaken in the study to develop the QSAR models...
December 5, 2016: Current Neuropharmacology
https://www.readbyqxmd.com/read/27919191/phytotherapeutic-approach-a-new-hope-for-polycyclic-aromatic-hydrocarbons-induced-cellular-disorders-autophagic-and-apoptotic-cell-death
#8
Durgesh Nandini Das, Prashanta Kumar Panda, Prajna Paramita Naik, Subhadip Mukhopadhyay, Niharika Sinha, Sujit K Bhutia
Polycyclic aromatic hydrocarbons (PAHs) comprise the major class of cancer-causing chemicals and are ranked ninth among the chemical compounds threatening to humans. Moreover, interest in PAHs has been mainly due to their carcinogenic property, these compounds are genotoxic, teratogenic, mutagenic, and carcinogenic. Polymorphism in cytochrome P450 (CYP450) and aryl hydrocarbon receptor (AhR) have the capacity to convert procarcinogens into carcinogens, which is an imperative factor contributing to individual susceptibility to cancer development...
December 5, 2016: Toxicology Mechanisms and Methods
https://www.readbyqxmd.com/read/27917870/high-frequency-stimulation-of-the-subthalamic-nucleus-blocks-compulsive-like-re-escalation-of-heroin-taking-in-rats
#9
Carrie L Wade, Marsida Kallupi, Daniel O Hernandez, Emmanuel Breysse, Giordano de Guglielmo, Elena Crawford, George F Koob, Paul Schweitzer, Christelle Baunez, Olivier George
Opioid addiction, including addiction to heroin, has dramatically increased in the last decade. The cost and pervasiveness of heroin addiction, including resistance to recovery from addiction, provide a compelling basis for developing novel therapeutic strategies. Deep brain stimulation may represent a viable alternative strategy for the treatment of intractable heroin addiction particularly in individuals who are resistant to traditional therapies. Here, we provide preclinical evidence of the therapeutic potential of high-frequency stimulation of the subthalamic nucleus (STN HFS) for heroin addiction...
December 5, 2016: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/27916946/natural-non-mulberry-silk-nanoparticles-for-potential-controlled-drug-release
#10
Juan Wang, Zhuping Yin, Xiang Xue, Subhas C Kundu, Xiumei Mo, Shenzhou Lu
Natural silk protein nanoparticles are a promising biomaterial for drug delivery due to their pleiotropic properties, including biocompatibility, high bioavailability, and biodegradability. Chinese oak tasar Antheraea pernyi silk fibroin (ApF) nanoparticles are easily obtained using cations as reagents under mild conditions. The mild conditions are potentially advantageous for the encapsulation of sensitive drugs and therapeutic molecules. In the present study, silk fibroin protein nanoparticles are loaded with differently-charged small-molecule drugs, such as doxorubicin hydrochloride, ibuprofen, and ibuprofen-Na, by simple absorption based on electrostatic interactions...
December 1, 2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27916939/immunopathogenic-mechanisms-of-autoimmune-hepatitis-how-much-do-we-know-from-animal-models
#11
REVIEW
Urs Christen, Edith Hintermann
Autoimmune hepatitis (AIH) is characterized by a progressive destruction of the liver parenchyma and a chronic fibrosis. The current treatment of autoimmune hepatitis is still largely dependent on the administration of corticosteroids and cytostatic drugs. For a long time the development of novel therapeutic strategies has been hampered by a lack of understanding the basic immunopathogenic mechanisms of AIH and the absence of valid animal models. However, in the past decade, knowledge from clinical observations in AIH patients and the development of innovative animal models have led to a situation where critical factors driving the disease have been identified and alternative treatments are being evaluated...
December 1, 2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27916868/characterization-and-schwann-cell-seeding-of-up-to-15-0-cm-long-spider-silk-nerve-conduits-for-reconstruction-of-peripheral-nerve-defects
#12
Tim Kornfeld, Peter M Vogt, Vesna Bucan, Claas-Tido Peck, Kerstin Reimers, Christine Radtke
Nerve reconstruction of extended nerve defect injuries still remains challenging with respect to therapeutic options. The gold standard in nerve surgery is the autologous nerve graft. Due to the limitation of adequate donor nerves, surgical alternatives are needed. Nerve grafts made out of either natural or artificial materials represent this alternative. Several biomaterials are being explored and preclinical and clinical applications are ongoing. Unfortunately, nerve conduits with successful enhancement of axonal regeneration for nerve defects measuring over 4...
November 30, 2016: Journal of Functional Biomaterials
https://www.readbyqxmd.com/read/27916717/is-luks-pv-a-novel-experimental-therapy-for-leukemia
#13
REVIEW
Wulin Shan, Xiaoling Ma, Fang Deng
Although the studies on the pathogenesis and prognosis of leukemia have made revolutionary progress, the long-term survival remains unsatisfactory. Alternative techniques are being developed to target leukemia. Several decades after researchers' work, a variety of bacteria toxins are being explored as potential anti-leukemia agents, either to provide direct effects or to deliver therapeutic proteins to leukemia. LukS-PV, a component of Panton-Valentine Leukocidin secreted by S. aureus, has been tested in acute myeloid leukemia as a novel experimental strategy...
December 1, 2016: Gene
https://www.readbyqxmd.com/read/27916642/magnetic-hyperthermia-and-ph-responsive-effective-drug-delivery-to-the-sub-cellular-level-of-human-breast-cancer-cells-by-modified-cofe2o4-nanoparticles
#14
Yunok Oh, Madhappan Santha Moorthy, Panchanathan Manivasagan, Subramaniyan Bharathiraja, Junghwan Oh
Magnetic iron oxide nanoparticles (MNPs) have been extensively utilized in a wide range of biomedical applications including magnetic hyperthermia agent. To improve the efficiency of the MNPs in therapeutic applications, in this study, we have synthesized CoFe2O4 nanoparticles and its surface was further functionalized with meso-2,3-dimercaptosuccinic acid (DMSA). The anticancer agent, Doxorubucin (DOX) was conjugated with CoFe2O4@DMSA nanoparticle to evaluate the combined effects of thermotherapy and chemotherapy...
December 1, 2016: Biochimie
https://www.readbyqxmd.com/read/27916638/therapeutical-options-in-the-management-of-carotid-dissection
#15
Ombretta Martinelli, Salvatore Venosi, Jamila BenHamida, Alban Malay, Cristina Belli, Francesco Giosue' Irace, Roberto Gattuso, Giacomo Frati, Bruno Gossetti, Luigi Irace
OBJECTIVE: The best management of carotid artery dissection (CAD) is still controversial ranging from antiplatelet medication to open surgery or endovascular treatment. In this retrospective study we assessed the safety and efficacy of endovascular stent angioplasty for the treatment of CAD. METHODS: From February 2006 to February 2016, 44 patients (28 females and 16 males, age range 25-65 years, mean 42) with CAD were included in this study. The internal carotid artery (ICA) dissection was spontaneous in origin in 32 patients and post-traumatic in the remaining 12 (1 case it was bilateral)...
December 1, 2016: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/27916636/glutamate-dysregulation-and-glutamatergic-therapeutics-for-ptsd-evidence-from-human-studies
#16
REVIEW
Lynnette A Averill, Prerana Purohit, Christopher L Averill, Markus A Boesl, John H Krystal, Chadi G Abdallah
Posttraumatic stress disorder (PTSD) is a chronic and debilitating psychiatric disorder afflicting millions of individuals across the world. While the availability of robust pharmacologic interventions is quite lacking, our understanding of the putative neurobiological underpinnings of PTSD has significantly increased over the past two decades. Accumulating evidence demonstrates aberrant glutamatergic function in mood, anxiety, and trauma-related disorders and dysfunction in glutamate neurotransmission is increasingly considered a cardinal feature of stress-related psychiatric disorders including PTSD...
December 1, 2016: Neuroscience Letters
https://www.readbyqxmd.com/read/27916504/the-state-of-play-and-future-of-antibody-therapeutics
#17
REVIEW
Zehra Elgundi, Mouhamad Reslan, Esteban Cruz, Vicki Sifniotis, Veysel Kayser
It has been over four decades since the development of monoclonal antibodies (mAbs) using a hybridoma cell line was first reported. Since then more than thirty therapeutic antibodies have been marketed, mostly as oncology, autoimmune and inflammatory therapeutics. While antibodies are very efficient, their cost-effectiveness has always been discussed owing to their high costs, accumulating to more than one billion dollars from preclinical development through to market approval. Because of this, therapeutic antibodies are inaccessible to some patients in both developed and developing countries...
December 1, 2016: Advanced Drug Delivery Reviews
https://www.readbyqxmd.com/read/27914779/what-do-radiation-oncologists-require-for-future-advancements-in-lung-sbrt
#18
REVIEW
Umberto Ricardi, Serena Badellino, Andrea Riccardo Filippi
Stereotactic Body Radiotherapy (SBRT) is a well established therapeutic option for patients affected with peripheral early stage non-small cell lung cancer (NSCLC), given the positive clinical evidence accumulated so far on its efficacy and safety. SBRT is regarded as the best choice for inoperable patients, and could also be offered as an alternative to surgery to selected operable patients. More recently, its use for lung metastases progressively increased, and SBRT is now regarded as a low toxic and highly effective local therapy for lung oligometastases from different primary tumors, especially colorectal cancer...
November 30, 2016: Physica Medica: PM
https://www.readbyqxmd.com/read/27914728/-nanotechnology-a-new-paradigm-in-atherosclerosis-treatment
#19
Virna M Martín Giménez, María Belén Ruiz-Roso, Alejandra Beatriz Camargo, Diego Kassuha, Walter Manucha
Atherosclerosis, a known and prevalent disease, causes progressive deterioration of affected vessels, inducing a blood flow reduction with different complications, and its symptoms usually manifest in advanced stages of the disease. Therefore, the classic therapeutic alternatives are insufficient because the damages are many times irreversible. For this reason, there is a need to implement intelligent forms of drug administration and develop new therapeutic targets that reduce the progression of atherosclerotic lesion...
November 30, 2016: Clínica e Investigación en Arteriosclerosis
https://www.readbyqxmd.com/read/27914701/il-2-anti-il-2-complexes-ameliorate-lupus-nephritis-by-expansion-of-cd4-cd25-foxp3-regulatory-t%C3%A2-cells
#20
Ji-Jing Yan, Jae-Ghi Lee, Joon Young Jang, Tai Yeon Koo, Curie Ahn, Jaeseok Yang
Adoptive transfer of regulatory T cells (Tregs) can delay disease progression and reduce mortality in lupus-prone mice. Here, we tested whether complex (IL-2C) consisting of IL-2 and anti-IL-2 monoclonal antibody (JES6-1) ameliorates lupus nephritis by expanding Tregs as an alternative to problematic Treg infusion therapy. IL-2C treatment of NZB/W F1 mice induced an effective and sustained expansion of CD4(+)CD25(+)Foxp3(+) Tregs in both the kidneys and spleen along with decreased renal infiltration of T cells, B cells, and innate immune cells...
November 30, 2016: Kidney International
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