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https://www.readbyqxmd.com/read/28651353/protein-tyrosine-phosphatase-1b-mediates-sleep-fragmentation-induced-insulin-resistance-and-visceral-adipose-tissue-inflammation-in-mice
#1
David Gozal, Abdelnaby Khalyfa, Zhuanghong Qiao, Mahzad Akbarpour, Rosanna Maccari, Rosaria Ottanà
Study Objectives: Sleep fragmentation (SF) is highly prevalent and has emerged as an important contributing factor to obesity and metabolic syndrome. We hypothesized that SF-induced increases in protein tyrosine phosphatase-1B (PTP-1B) expression and activity underlie increased food intake, inflammation, and leptin and insulin resistance. Methods: Wild type (WT) and ObR-PTP-1b-/- mice (Tg) were exposed to SF and control sleep (SC), and food intake was monitored...
June 23, 2017: Sleep
https://www.readbyqxmd.com/read/28651234/microrna-493-suppresses-hepatocellular-carcinoma-tumorigenesis-through-down-regulation-of-anthrax-toxin-receptor-1-antxr1-and-r-spondin-2-rspo2
#2
Yuqiang Xu, Kuikui Ge, Junhao Lu, Jinjiang Huang, Wei Wei, Qingshan Huang
Hepatocellular carcinoma (HCC) is known as a highly prevalent cancer with a poor prognosis and short survival time, despite intensive research and clinical efforts. Increasing numbers of studies have reported that microRNAs are involved in the malignant behavior of hepatocellular carcinoma cells via directly targeting multiple oncogenes or tumor suppressors. Here, we report that the expression of microRNA-493 (miR-493) is decreased in HCC cell lines and in tumor tissues. Overexpression of miR-493 in HCC cells dramatically inhibited cell proliferation and colony-formation in vitro and inhibited tumor formation of HCC cell xenografts in vivo...
June 23, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28651208/relationship-between-thms-ndma-formation-potential-and-molecular-weight-of-organic-compounds-for-source-and-treated-water-in-shanghai-china
#3
Dong An, Bin Gu, Sainan Sun, Han Zhang, Yanan Chen, Huifeng Zhu, Jian Shi, Jun Tong
Molecular weight (MW) distributions in source and treated water in Shanghai, China were investigated to understand the relationship between trihalomethanes formation potential/N-nitrosodimethylamine formation potential (THMFP/NDMAFP) and dissolved organic carbon (DOC) for different MW ranges (<1K, 1-10K, 10-30K, >30KDa). The result of MW distributions in source water indicated a relationship between THMFP/NDMAFP and DOC such that DOC for <1K and 1-30KDa DOC were linearly related to THMFP and NDMAFP, respectively...
June 23, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28651105/heterogeneous-epigenetic-regulation-of-hace1-in-burkitt-lymphoma-derived-cells
#4
Abdelilah Bouzelfen, Hafid Kora, Marion Alcantara, Philippe Bertrand, Jean-Baptiste Latouche, Fabrice Jardin
We examined the consequences of 3-deazaneplanocin A (DZNep) on HACE1 expression in human Burkitt- Lymphoma-derived cells to investigate fundamental molecular mechanisms that control its expression. We treated the human Burkitt- Lymphoma-derived cells lines Ramos and Raji with DZNep and examined HACE1 mRNA expression by RT-PCR. We also studied the effect of DZNep on the methylation of lysine 9 and 27 of histone 3 (H3K27me3 and H3K9me2) associated with the CpG88 and CpG177 islands of the HACE1 promoters by chromatin immunoprecipitation and quantitative PCR...
June 16, 2017: Leukemia Research
https://www.readbyqxmd.com/read/28650848/ser-thr-protein-kinase-b2-nadph-oxidase-2-signaling-in-thromboinflammation
#5
Jing Li, Jaehyung Cho
PURPOSE OF REVIEW: Interactions between neutrophils and platelets contribute to the progression of thromboinflammatory disease. However, the regulatory mechanism governing these interactions is poorly understood. The present review focuses on the crucial role of Ser/Thr protein kinase B (AKT)2-NADPH oxidase 2 (NOX2) signaling in regulating neutrophil and platelet activation and their heterotypic interactions under thromboinflammatory conditions. RECENT FINDINGS: Growing evidence has shown that platelets, leukocytes, and blood coagulation need to be considered to treat thromboinflammatory disease in which inflammation and thrombosis occur concurrently...
June 24, 2017: Current Opinion in Hematology
https://www.readbyqxmd.com/read/28650601/multiple-sclerosis-in-an-acupuncture-practice
#6
(no author information available yet)
Multiple sclerosis (MS) is a severe autoimmune demyelinating disease that affects nervous system, has high morbidity and mortality and no effective targeted therapies are available. We present a case of 66-year-old female patient who has been treated by both conventional and Chinese traditional medicine after diagnosis was confirmed in 2008 as MS and antiphospholipid syndrome associated with CNS vasculitis. After diagnosis with clinical image confirmed with CT and MRI scan, where demyelinating zones were present, she started pharmacological therapy without major improvement...
May 26, 2017: Neuro Endocrinology Letters
https://www.readbyqxmd.com/read/28650570/perioperative-braf-inhibitors-in-locally-advanced-stage-iii-melanoma
#7
Douglas Zippel, Gal Markel, Roni Shapira-Frommer, Guy Ben-Betzalel, David Goitein, Eytan Ben-Ami, Aviram Nissan, Jacob Schachter, Schlomo Schneebaum
BACKGROUND AND OBJECTIVES: Stage III malignant melanoma is a heterogeneous disease where those cases deemed marginally resectable or irresecatble are frequently incurable by surgery alone. Targeted therapy takes advantage of the high incidence of BRAF mutations in melanomas, most notably the V600E mutation. These agents have rarely been used in a neoadjuvant setting prior to surgery. METHODS: Thirteen consecutive patients with confirmed BRAF(V600E) regionally advanced melanoma deemed marginally resectable or irrresectable, were treated with BRAF inhibiting agents, prior to undergoing surgery...
June 26, 2017: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28650474/an-activating-mutation-of-gnb1-is-associated-with-resistance-to-tyrosine-kinase-inhibitors-in-etv6-abl1-positive-leukemia
#8
O Zimmermannova, E Doktorova, J Stuchly, V Kanderova, D Kuzilkova, H Strnad, J Starkova, M Alberich-Jorda, J H F Falkenburg, J Trka, J Petrak, J Zuna, M Zaliova
Leukemias harboring the ETV6-ABL1 fusion represent a rare subset of hematological malignancies with unfavorable outcomes. The constitutively active chimeric Etv6-Abl1 tyrosine kinase can be specifically inhibited by tyrosine kinase inhibitors (TKIs). Although TKIs represent an important therapeutic tool, so far, the mechanism underlying the potential TKI resistance in ETV6-ABL1-positive malignancies has not been studied in detail. To address this issue, we established a TKI-resistant ETV6-ABL1-positive leukemic cell line through long-term exposure to imatinib...
June 26, 2017: Oncogene
https://www.readbyqxmd.com/read/28650457/fibroblast-growth-factor-19-regulates-skeletal-muscle-mass-and-ameliorates-muscle-wasting-in-mice
#9
Bérengère Benoit, Emmanuelle Meugnier, Martina Castelli, Stéphanie Chanon, Aurélie Vieille-Marchiset, Christine Durand, Nadia Bendridi, Sandra Pesenti, Pierre-Axel Monternier, Anne-Cécile Durieux, Damien Freyssenet, Jennifer Rieusset, Etienne Lefai, Hubert Vidal, Jérôme Ruzzin
The endocrine-derived hormone fibroblast growth factor (FGF) 19 has recently emerged as a potential target for treating metabolic disease. Given that skeletal muscle is a key metabolic organ, we explored the role of FGF19 in that tissue. Here we report a novel function of FGF19 in regulating skeletal muscle mass through enlargement of muscle fiber size, and in protecting muscle from atrophy. Treatment with FGF19 causes skeletal muscle hypertrophy in mice, while physiological and pharmacological doses of FGF19 substantially increase the size of human myotubes in vitro...
June 26, 2017: Nature Medicine
https://www.readbyqxmd.com/read/28650320/combination-of-exendin-4-and-dpp-4-silencing-promoted-angiogenesis-of-human-coronary-artery-endothelial-cells-via-activation-of-pi3k-akt-pathway
#10
Xuewen Qi, Haifeng Liu, Limei Mao, Peng Sun, Degui Kong
This study was aimed to explore the combined effects of Exendin-4 with dipeptidyl peptidase-IV (DPP-4) silencing on vascular endothelial growth factor (VEGF)-induced cell proliferation and angiogenesis in Human Coronary Artery Endothelial Cells (HCAECs), as well as the underlying molecular mechanisms which were involved in this process. HCAECs were treated by exendin-4, small interfering RNA (siRNA) targeting DPP-4 (DPP-4-siRNA) or exendin-4 plus DPP-4-siRNA, respectively. Cell migration, proliferation and angiogenesis in vitro were assessed by scratch-wound assay, MTT, tran swell assay, and matrigel tube formation, respectively...
March 2017: Pakistan Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28650137/how-to-manage-the-biological-risk-in-a-dental-clinic-state-of-the-art-and-future-perspectives
#11
Matteo Saccucci, Gaetano Ierardo, Carmela Protano, Matteo Vitali, Antonella Polimeni
Dental Personnel (DP) may be exposed to pathogens during dental treatment, either through contact contaminated equipment, or with blood and respiratory secretion. On the other hand, health care professionals are constantly exposed to pathogens and opportunists in their work environment. Consequently, the dental healthcare environment is connected with the risk of exposure to biological agents both for patients and dental workers, and involves a wide number of microorganisms that can be present in biological matrices (gingival fluids, saliva, blood), contaminated and/or non-sanitized surfaces, water used in the dental unit, or emitted by patients suffering or carrier of a transmissible disease...
June 23, 2017: Minerva Stomatologica
https://www.readbyqxmd.com/read/28649953/clinical-restenosis-and-its-predictors-after-implantation-of-everolimus-eluting-bioresorbable-vascular-scaffolds-results-from-the-gabi-r-registry
#12
Julinda Mehilli, Stephan Achenbach, Jochen Woehrle, Moritz Baquet, Thomas Riemer, Thomas Muenzel, Holger Nef, Christoph Naber, Gert Richardt, Ralf Zahn, Tommaso Gori, Till Neumann, Johannes Kastner, Axel Schmermund, Christian Hamm
AIMS: To assess clinical restenosis and its predictors after implantation bioresorbable vascular scaffolds (BVS) in everyday practice in the large scale German-Austrian ABSORB Registry (GABI-R). METHODS AND RESULTS: Between November 2013 and January 2016, 3264 patients underwent BVS implantion in 93 centers of GABI-R. At 6-month follow-up, 24 patients experienced clinically-indicated target lesion revascularization (cTLR) unrelated to BVS thrombosis (cumulative incidence 0...
June 27, 2017: EuroIntervention
https://www.readbyqxmd.com/read/28649893/radium-223-dichloride-for-the-treatment-of-castration-resistant-prostate-cancer-with-symptomatic-bone-metastases
#13
Nicholas J Vogelzang
Castration-resistant prostate cancer (CRPC) is associated with the development of bone metastases, increased mortality, and a reduction in the patient's quality of life (QOL). The management of metastatic CRPC (mCRPC) has rapidly evolved over the past decade, with a number of available therapeutic agents improving overall survival. Radium-223 dichloride (radium-223), the first targeted alpha therapy, improves survival accompanied by QOL benefits with a favorable safety profile. It is approved in over 40 countries for the treatment of patients with CRPC with symptomatic bone metastases and no known visceral metastatic disease...
June 26, 2017: Expert Review of Clinical Pharmacology
https://www.readbyqxmd.com/read/28649891/new-targeted-therapies-for-relapsed-pediatric-lymphoblastic-leukemia
#14
Joanna Pierro, Laura E Hogan, Teena Bhatla, William L Carroll
The improvement in outcomes for children with acute lymphoblastic leukemia (ALL) is one of the greatest success stories of modern oncology however the prognosis for patients who relapse remains dismal. Recent discoveries by high resolution genomic technologies have characterized the biology of relapsed leukemia, most notably pathways leading to the drug resistant phenotype. These observations open the possibility of targeting such pathways to prevent and/or treat relapse. Likewise, early experiences with new immunotherapeutic approaches have shown great promise...
June 25, 2017: Expert Review of Anticancer Therapy
https://www.readbyqxmd.com/read/28649708/potential-benefits-of-crawl-position-for-prone-radiation-therapy-in-breast-cancer
#15
Bert Boute, Wilfried De Neve, Bruno Speleers, Annick Van Greveling, Christel Monten, Tom Van Hoof, Joris Van de Velde, Leen Paelinck, Werner De Gersem, Tom Vercauteren, Jan Detand, Liv Veldeman
PURPOSE: To investigate crawl position with the arm at the treated side alongside the body and at the opposite side above the head for prone treatment in patients requiring breast and regional lymph node irradiation. METHODS: Patient support devices for crawl position were built for CT simulation and treatment. An asymmetric fork design resulted from an iterative process of prototype construction and testing. The fork's large horn supports the hemi-thorax, shoulder, and elevated arm at the nontreated side and the head...
June 26, 2017: Journal of Applied Clinical Medical Physics
https://www.readbyqxmd.com/read/28649643/molecular-stratification-of-early-breast-cancer-identifies-drug-targets-to-drive-stratified-medicine
#16
Jane Bayani, Cindy Q Yao, Mary Anne Quintayo, Fu Yan, Syed Haider, Alister D'Costa, Cassandra L Brookes, Cornelis J H van de Velde, Annette Hasenburg, Dirk G Kieback, Christos Markopoulos, Luc Dirix, Caroline Seynaeve, Daniel Rea, Paul C Boutros, John M S Bartlett
Many women with hormone receptor-positive early breast cancer can be managed effectively with endocrine therapies alone. However, additional systemic chemotherapy treatment is necessary for others. The clinical challenges in managing high-risk women are to identify existing and novel druggable targets, and to identify those who would benefit from these therapies. Therefore, we performed mRNA abundance analysis using the Tamoxifen and Exemestane Adjuvant Multinational (TEAM) trial pathology cohort to identify a signature of residual risk following endocrine therapy and pathways that are potentially druggable...
2017: NPJ Breast Cancer
https://www.readbyqxmd.com/read/28649481/cardio-oncology-cancer-therapy-related-cardiovascular-complications-in-a-molecular-targeted-era-new-concepts-and-perspectives
#17
REVIEW
David Hurtado-de-Mendoza, Arturo Loaiza-Bonilla, Paula A Bonilla-Reyes, Gabriel Tinoco, Rodrigo Alcorta
Cardio-oncology is a medical discipline that identifies, prevents, and treats the cardiovascular complications related to cancer therapy. Due to the remarkable proliferation of new cancer therapies causing cardiovascular complications, such as hypertension, heart failure, vascular complications, and cardiac arrhythmia, we provide an extensive, comprehensive revision of the most up-to-date scientific information available on the cardiovascular complications associated with the use of newer, novel chemotherapeutic agents, including their reported incidence, suggested pathophysiology, clinical manifestations, potential treatment, and prevention...
May 18, 2017: Curēus
https://www.readbyqxmd.com/read/28649374/screening-and-identification-of-novel-biologically-active-natural-compounds
#18
REVIEW
David Newman
With the advent of very rapid and cheap genome analyses and the linkage of these plus microbial metabolomics to potential compound structures came the realization that there was an immense sea of novel agents to be mined and tested. In addition, it is now recognized that there is significant microbial involvement in many natural products isolated from "nominally non-microbial sources". This short review covers the current screening methods that have evolved and one might even be tempted to say "devolved" in light of the realization that target-based screens had problems when the products entered clinical testing, with off-target effects being the major ones...
2017: F1000Research
https://www.readbyqxmd.com/read/28649222/highly-selective-cyclooxygenase-1-inhibitors-p6-and-mofezolac-counteract-inflammatory-state-both-in-vitro-and-in-vivo-models-of-neuroinflammation
#19
Rosa Calvello, Dario Domenico Lofrumento, Maria Grazia Perrone, Antonia Cianciulli, Rosaria Salvatore, Paola Vitale, Francesco De Nuccio, Laura Giannotti, Giuseppe Nicolardi, Maria Antonietta Panaro, Antonio Scilimati
Activated microglia secrete an array of pro-inflammatory factors, such as prostaglandins, whose accumulation contributes to neuronal damages. Prostaglandin endoperoxide synthases or cyclooxygenases (COX-1 and COX-2), which play a critical role in the inflammation, are the pharmacological targets of non-steroidal anti-inflammatory drugs, used to treat pain and inflammation. Since it was reported that COX-1 is the major player in mediating the brain inflammatory response, the aim of this study was to evaluate the effects of highly selective COX-1 inhibitors, such as P6 and mofezolac, in neuroinflammation models...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28649201/evaluation-of-jnj-54717793-a-novel-brain-penetrant-selective-orexin-1-receptor-antagonist-in-two-rat-models-of-panic-attack-provocation
#20
Pascal Bonaventure, Christine Dugovic, Brock Shireman, Cathy Preville, Sujin Yun, Brian Lord, Diane Nepomuceno, Michelle Wennerholm, Timothy Lovenberg, Nicolas Carruthers, Stephanie D Fitz, Anantha Shekhar, Philip L Johnson
Orexin neurons originating in the perifornical and lateral hypothalamic area are highly reactive to anxiogenic stimuli and have strong projections to anxiety and panic-associated circuitry. Recent studies support a role for the orexin system and in particular the orexin 1 receptor (OX1R) in coordinating an integrative stress response. However, no selective OX1R antagonist has been systematically tested in two preclinical models of using panicogenic stimuli that induce panic attack in the majority of people with panic disorder, namely an acute hypercapnia-panic provocation model and a model involving chronic inhibition of GABA synthesis in the perifornical hypothalamic area followed by intravenous sodium lactate infusion...
2017: Frontiers in Pharmacology
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