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https://www.readbyqxmd.com/read/29036835/therapeutic-role-of-long-non-coding-rna-tcons_00019174-in-depressive-disorders-is-dependent-on-wnt-%C3%AE-catenin-signaling-pathway
#1
Xinqiang Ni, Yingzhao Liao, Limin Li, Xiaoli Zhang, Zhengzhi Wu
Chronic stress is one of the major causes that lead to major depressive disorder (MDD), which is a prevalent mood disorder worldwide. Lots of MDD patients could not benefit from available medication due to the complex etiology of MDD. Recently, long non-coding RNAs (lncRNAs), molecular switches of downstream genes expression, have been reported to be involved in the pathogenesis of MDD. LncRNA TCONS_00019174 has been implicated in MDD risk and antidepressant effects, However, the effect of lncRNA TCONS_00019174 on antidepressant responses has not been investigated...
October 13, 2017: Journal of Integrative Neuroscience
https://www.readbyqxmd.com/read/29036751/-diagnosis-and-management-of-vestibular-schwannomas-an-interdisciplinary-challenge
#2
Steffen Rosahl, Christopher Bohr, Michael Lell, Klaus Hamm, Heinrich Iro
Vestibular schwannomas expand slowly in the internal auditory canal, in the cerebellopontine angle, inside the cochlear and the labyrinth. Larger tumors can displace and compress the brainstem. With an annual incidence of 1:100 000 vestibular schwannoma represent 6-7% of all intracranial tumors. In the cerebellopontine angle they are by far the most neoplasm with 90% of all lesions located in this region. Magnetic resonance imaging (MRI), audiometry, and vestibular diagnostics are the mainstays of the clinical workup for patients harboring tumors...
April 2017: Laryngo- Rhino- Otologie
https://www.readbyqxmd.com/read/29036687/measuring-deaminated-nucleotide-surveillance-enzyme-itpa-activity-with-an-atp-releasing-nucleotide-chimera
#3
Debin Ji, Elena I Stepchenkova, Jian Cui, Miriam R Menezes, Youri I Pavlov, Eric T Kool
Nucleotide quality surveillance enzymes play important roles in human health, by detecting damaged molecules in the nucleotide pool and deactivating them before they are incorporated into chromosomal DNA or adversely affect metabolism. In particular, deamination of adenine moiety in (deoxy)nucleoside triphosphates, resulting in formation of (d)ITP, can be deleterious, leading to DNA damage, mutagenesis and other harmful cellular effects. The 21.5 kDa human enzyme that mitigates this damage by conversion of (d)ITP to monophosphate, ITPA, has been proposed as a possible therapeutic and diagnostic target for multiple diseases...
September 28, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/29036430/delta-vs-gamma-auditory-steady-state-synchrony-in-schizophrenia
#4
Krishna C Puvvada, Ann Summerfelt, Xiaoming Du, Nithin Krishna, Peter Kochunov, Laura M Rowland, Jonathan Z Simon, L Elliot Hong
Background: Delta band (1-4 Hz) neuronal responses support the precision and stability of auditory processing, and a deficit in delta band synchrony may be relevant to auditory domain symptoms in schizophrenia patients. Methods: Delta band synchronization elicited by a 2.5 Hz auditory steady state response (ASSR) paradigm, along with those from theta (5 Hz), alpha (10 Hz), beta (20 Hz), gamma (40 Hz), and high gamma (80 Hz) frequency ASSR, were compared in 128 patients with schizophrenia, 108 healthy controls, and 55 first-degree relatives (FDR) of patients...
June 20, 2017: Schizophrenia Bulletin
https://www.readbyqxmd.com/read/29036230/predictors-of-adverse-drug-reaction-related-hospitalisation-in-southwest-ethiopia-a-prospective-cross-sectional-study
#5
Mulugeta Tarekegn Angamo, Colin Michael Curtain, Leanne Chalmers, Daniel Yilma, Luke Bereznicki
BACKGROUND: Adverse drug reactions (ADRs) are important causes of morbidity and mortality in the healthcare system; however, there are no studies reporting on the magnitude and risk factors associated with ADR-related hospitalisation in Ethiopia. OBJECTIVES: To characterise the reaction types and the drugs implicated in admission to Jimma University Specialized Hospital, Southwest Ethiopia, and to identify risk factors associated with ADR-related hospitalisation...
2017: PloS One
https://www.readbyqxmd.com/read/29036218/crystallographic-and-thermodynamic-characterization-of-phenylaminopyridine-bisphosphonates-binding-to-human-farnesyl-pyrophosphate-synthase
#6
Jaeok Park, Dmitry Rodionov, Joris W De Schutter, Yih-Shyan Lin, Youla S Tsantrizos, Albert M Berghuis
Human farnesyl pyrophosphate synthase (hFPPS) catalyzes the production of the 15-carbon isoprenoid farnesyl pyrophosphate. The enzyme is a key regulator of the mevalonate pathway and a well-established drug target. Notably, it was elucidated as the molecular target of nitrogen-containing bisphosphonates, a class of drugs that have been widely successful against bone resorption disorders. More recently, research has focused on the anticancer effects of these inhibitors. In order to achieve increased non-skeletal tissue exposure, we created phenylaminopyridine bisphosphonates (PNP-BPs) that have bulky hydrophobic side chains through a structure-based approach...
2017: PloS One
https://www.readbyqxmd.com/read/29036198/the-homeodomain-interacting-protein-kinase-hpk-1-preserves-protein-homeostasis-and-longevity-through-master-regulatory-control-of-the-hsf-1-chaperone-network-and-torc1-restricted-autophagy-in-caenorhabditis-elegans
#7
Ritika Das, Justine A Melo, Manjunatha Thondamal, Elizabeth A Morton, Adam B Cornwell, Beresford Crick, Joung Heon Kim, Elliot W Swartz, Todd Lamitina, Peter M Douglas, Andrew V Samuelson
An extensive proteostatic network comprised of molecular chaperones and protein clearance mechanisms functions collectively to preserve the integrity and resiliency of the proteome. The efficacy of this network deteriorates during aging, coinciding with many clinical manifestations, including protein aggregation diseases of the nervous system. A decline in proteostasis can be delayed through the activation of cytoprotective transcriptional responses, which are sensitive to environmental stress and internal metabolic and physiological cues...
October 16, 2017: PLoS Genetics
https://www.readbyqxmd.com/read/29036019/targeting-the-interleukin-4-and-interleukin-13-pathways-in-severe-asthma-current-knowledge-and-future-needs
#8
Amit D Parulekar, Christina C Kao, Zuzana Diamant, Nicola A Hanania
PURPOSE OF REVIEW: Severe asthma is a heterogeneous disease that can be classified into phenotypes and endotypes based upon clinical or biological characteristics. Interleukin (IL)-4 and IL-13 play a key role in type 2 (T2) asthma. This article reviews the signaling pathway of IL-4 and IL-13 and highlights its targeted therapy in severe asthma. RECENT FINDINGS: Several clinical trials of biologics targeting the IL-4/IL-13 pathway have recently been completed. In patients with severe, uncontrolled asthma, targeting IL-13 alone with biologics including lebrikizumab and tralokinumab has not shown consistent reduction in asthma exacerbations...
October 13, 2017: Current Opinion in Pulmonary Medicine
https://www.readbyqxmd.com/read/29035972/hyperammonemia-and-proteostasis-in-cirrhosis
#9
Srinivasan Dasarathy, Maria Hatzoglou
PURPOSE OF REVIEW: Skeletal muscle loss or sarcopenia is a frequent complication of cirrhosis that adversely affects clinical outcomes. As skeletal muscle is the largest store of proteins in the body, proteostasis or protein homeostasis is required for maintenance of muscle mass. This review will focus on disordered skeletal muscle proteostasis in liver disease. RECENT FINDINGS: Increased skeletal muscle uptake of ammonia initiates responses that result in disordered proteostasis including impaired protein synthesis and increased autophagy...
October 14, 2017: Current Opinion in Clinical Nutrition and Metabolic Care
https://www.readbyqxmd.com/read/29035739/physical-oncology-new-targets-for-nanomedicine
#10
REVIEW
Alba Nicolas-Boluda, Amanda K A Silva, Sylvie Fournel, Florence Gazeau
Physical oncology is an emerging paradigm which recognizes tissue mechanics, per se, as an active modulator of tumorigenesis, treatment resistance and clinical outcome, mediated by mechanosignaling pathways, matrix remodeling and physical barriers to drugs. The tumor microenvironment displays abnormal physical properties in comparison to healthy tissue which contribute to cancer progression and resistance to current treatments. Physical aberrancies comprise the chaotic organization of tumor vasculature, an increased interstitial pressure, an increased solid stress, hypoxia, an abundant extracellular matrix and a progressive stiffening of solid tumors...
October 6, 2017: Biomaterials
https://www.readbyqxmd.com/read/29035540/targeted-clinical-nanoparticles-for-precision-cancer-therapy-based-on-disease-specific-molecular-inflection-points
#11
Charalambos Kaittanis, Alexander Bolaender, Barney Yoo, Nilesh Shah, Ouathek Ouerfelli, Jan Grimm
ional approaches based on clinical modular nanoplatforms are needed, in order to treat solid cancers according to their discrete molecular features. In the present study, we show that the clinical nanopharmaceutical Ferumoxytol, which consists of a glucose-based coat surrounding an iron oxide core, could identify molecular characteristics of prostate cancer, corresponding to unique phases of the disease continuum. By affixing a targeting probe for the prostate-specific membrane antigen on its surface, the nanopharmaceutical was able to assess the functional state of the androgen receptor pathway via MRI, guiding therapy and delivering it with the same clinical nanoparticle...
October 16, 2017: Nano Letters
https://www.readbyqxmd.com/read/29035438/high-throughput-screening-of-escherichia-coli-o157-h7-pathogenic-genes-via-pathway-enrichment-and-operon-analysis
#12
Guangxin Yuan, Jia Fu, Liping An, Yan Zhuang, Yu Wang, Yunfeng Song, Zijing Qiao, Xiaolong Wang, Yufei Tian, Xiao Han, Peige Du, Guangyu Xu
BACKGROUND: About thirty thousand people globally die every day from infectious diarrhea, mostly caused by pathogenic Escherichia coli (E. coli) O157:H7. METHODS: In order to search for clinical diagnostic biomarkers and novel drug targets for infectious diarrhea, we used a bibliometric method to collect pathogenic genes of E. coli O157:H7 and performed a functional analysis of the important pathogenic genes by pathway enrichment and operon analysis. RESULTS: We found 364 pathogenic genes which may be involved in infection with E...
October 1, 2017: Clinical Laboratory
https://www.readbyqxmd.com/read/29035219/an-embedded-real-time-processing-platform-for-optogenetic-neuroprosthetic-applications
#13
Boyuan Yan, Sheila Nirenberg
Optogenetics offers a powerful new approach for controlling neural circuits. It has numerous applications in both basic and clinical science. These applications require stimulating devices with small processors that can perform real-time neural signal processing, deliver high intensity light with high spatial and temporal resolution, and do not consume a lot of power. In this paper, we demonstrate the implementation of neuronal models in a platform consisting of an embedded system module and a portable DLP projector...
October 16, 2017: IEEE Transactions on Neural Systems and Rehabilitation Engineering
https://www.readbyqxmd.com/read/29035123/physiopathology-and-genetics-in-aspirin-exacerbated-respiratory-disease
#14
Gandhi F Pavón-Romero, Fernando Ramírez-Jiménez, Marco Alejandro Roldán-Alvarez, Luis M Terán, Ramcés Falfán-Valencia
INTRODUCTION: Aspirin-exacerbated respiratory disease (AERD) is a clinical entity characterized by hypersensitivity to aspirin leading to asthma and chronic rhinosinusitis with nasosinusal polyposis. The pathophysiology of the disease involves disruption at the level of arachidonic acid metabolism. Therefore, genetic association studies have been focused on the genes coding this pathway. As other mechanisms involved in the genesis of the disease were elucidated, the corresponding genes were also explored...
October 16, 2017: Experimental Lung Research
https://www.readbyqxmd.com/read/29035086/notch-signaling-is-essential-for-maturation-self-renewal-and-tri-differentiation-of-in-vitro-derived-human-neural-stem-cells
#15
Katari Venkatesh, L Vinod Kumar Reddy, Salar Abbas, Madhubanti Mullick, Erfath Thanjeem Begum Moghal, Janardhana Papayya Balakrishna, Dwaipayan Sen
Although neural stem cells (NSCs) have potential applications in treating neurological disorders, much still needs to be understood about the differentiation biology for their successful clinical translation. In this study, we aimed at deriving NSCs from human umbilical cord blood-derived mesenchymal stem cells (hUCB-MSCs) and explored the role of Notch signaling in the differentiation process. The hUCB-MSCs were characterized as per guidelines of the International Society of Cellular Therapy. NSCs were successfully generated from hUCB-MSCs by using epidermal and fibroblast growth factors under serum-free conditions...
October 16, 2017: Cellular Reprogramming
https://www.readbyqxmd.com/read/29034843/research-progress-in-reversal-of-tumor-multi-drug-resistance-via-natural-products
#16
Qi Guo, Hongyan Cao, Xianghui Qi, Huikai Li, Peizhi Ye, Zhiguo Wang, Danqiao Wang, Hua Zhou, Jingui Xue, Mingyu Sun
Multidrug resistance (MDR) occurs when a tumor develops resistance to multiple chemotherapeutic drugs, which may include antitumor drugs with different chemical structures and mechanisms. MDR limits the treatment effects of antitumor drugs, and is the main cause of chemotherapy failure. MDR is caused by numerous factors including changes in ABC transporters, target proteins, detoxification, DNA repair, drug metabolic enzymes, and signal pathways of apoptosis. Clinical research indicates that natural products have great potential to treat tumors and reverse MDR...
October 16, 2017: Anti-cancer Agents in Medicinal Chemistry
https://www.readbyqxmd.com/read/29034826/voice-of-the-clinician-the-case-of-an-australian-health-system
#17
Mark J Lock, Amber L Stephenson, Jill Branford, Jonathan Roche, Marissa S Edwards, Kathleen Ryan
Purpose The Voice of the Clinician project commenced during an era when practitioner burnout, dissatisfaction, and turnover became an increasingly global health workforce concern. One key problem is clinical staff not being empowered to voice their concerns to decision-makers, as was found in this case study of an Australian public health organization. The following research question informed the present study: What is a better committee system for clinician engagement in decision-making processes? The paper aims to discuss this issue...
September 18, 2017: Journal of Health Organization and Management
https://www.readbyqxmd.com/read/29034805/in-vitro-investigation-of-the-effect-of-matrix-molecules-on-the-behavior-of-colon-cancer-cells-under-the-effect-of-geldanamycin-derivative
#18
Kamil Vural, Funda Kosova, Feyzan Özdal Kurt, İbrahim Tuğlu
The chaperone-binding drug, 17-allylamino-17-demethoxygeldanamycin, has recently come into clinical use. It is a derivative of geldanamycin, an ansamycin benzoquinone antibiotic with anti-carcinogenic effect. Understanding the effect of this drug on the cancer cells and their niche is important for treatment. We applied 17-allylamino-17-demethoxygeldanamycin to colon cancer cell line (Colo 205) on matrix molecules to investigate the relationship of apoptosis with terminal deoxynucleotidyl transferase dUTP nick end labeling immunocytochemistry and related gene expression...
October 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/29034543/pd-l1-expression-is-mainly-regulated-by-ifn-%C3%AE-associated-with-jak-stat-pathway-in-gastric-cancer
#19
Kousaku Mimura, Jun Liang Teh, Hirokazu Okayama, Kensuke Shiraishi, Ley-Fang Kua, Vivien Koh, Duane T Smoot, Hassan Ashktorab, Takahiro Oike, Yoshiyuki Suzuki, Zul Fazreen, Bernadette R Asuncion, Asim Shabbir, Wei-Peng Yong, Jimmy So, Richie Soong, Koji Kono
Despite multidisciplinary treatment for patients with advanced gastric cancer, their prognosis still remains poor. Therefore, the development of novel therapeutic strategies is urgently needed, and immunotherapy utilizing anti-programmed death 1/-programmed death ligand-1 mAb is an attractive approach. However, as there is limited information on how programmed death ligand-1 is upregulated on tumor cells within the tumor microenvironment, we examined the mechanism of programmed death ligand-1 regulation with a particular focus on interferon gamma in in-vitro setting and in clinical samples...
October 16, 2017: Cancer Science
https://www.readbyqxmd.com/read/29034454/successful-treatment-of-sapho-syndrome-with-apremilast
#20
S Adamo, J Nilsson, A Krebs, U Steiner, A Cozzio, L E French, A G A Kolios
Synovitis, acne, pustulosis, hyperostosis and osteitis (SAPHO) syndrome is a rare disease with inflammatory osteoarticular and skin involvement. The pathogenesis of SAPHO syndrome remains unclear, but evidence suggests it may be an autoinflammatory disease triggered upon exposure to infectious agents in genetically predisposed individuals. Induction of the IL-23/Th17 axis as well as neutrophil activation seem to play a key role, and therapies targeting these immunological pathways, including TNF-inhibitors, ustekinumab, secukinumab and the IL-1 inhibitor anakinra are potential treatment options that need further investigation...
October 16, 2017: British Journal of Dermatology
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