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https://www.readbyqxmd.com/read/29353451/analysis-of-circulating-mediators-of-bone-remodeling-in-prader-willi-syndrome
#1
G Brunetti, G Grugni, L Piacente, M Delvecchio, A Ventura, P Giordano, M Grano, G D'Amato, D Laforgia, A Crinò, M F Faienza
We tested the hypothesis that the levels of bone remodeling mediators may be altered in Prader-Willi syndrome (PWS). We assessed RANKL, OPG, sclerostin, DKK-1 serum levels, and bone metabolism markers in 12 PWS children (7.8 ± 4.3 years), 14 PWS adults (29.5 ± 7.2 years), and 31 healthy controls matched for sex and age. Instrumental parameters of bone mineral density (BMD) were also evaluated. Lumbar spine BMD Z-scores were reduced in PWS children (P < 0.01), reaching osteopenic levels in PWS adults...
January 20, 2018: Calcified Tissue International
https://www.readbyqxmd.com/read/29353417/maternal-metabolic-response-to-dietary-treatment-for-impaired-glucose-tolerance-and-gestational-diabetes-mellitus
#2
Karen L Lindsay, Lorraine Brennan, Maria A Kennelly, Sinéad Curran, Mary Coffey, Thomas P Smith, Michael E Foley, Mensud Hatunic, Fionnuala M McAuliffe
BACKGROUND: Dietary advice is a standard component of treatment for pregnant women with impaired glucose tolerance (IGT) and gestational diabetes (GDM), yet few studies report glycemic profiles in response to dietary therapies and the optimal dietary approach remains uncertain. AIM: To assess changes in maternal glycemic profile and pregnancy outcomes among women with diet-controlled IGT and GDM. METHODS: Pregnant women who had one or more elevated values on a 3-h oral glucose tolerance test were enrolled...
January 20, 2018: Irish Journal of Medical Science
https://www.readbyqxmd.com/read/29353348/insulin-receptor-substrate-4-is-overexpressed-in-colorectal-cancer-and-promotes-retinoblastoma-cyclin-dependent-kinase-activation
#3
Patricia Sanmartín-Salinas, María Del Val Toledo Lobo, Fernando Noguerales-Fraguas, Miguel Toro Londoño, Antonio Jiménez-Ruiz, Luis Gonzalez Guijarro
BACKGROUND: Insulin receptor substrate 4 (IRS-4) is an adaptor protein for which new evidence suggests plays a role in tumour promotion. METHODS: We described nuclear IRS-4 in RKO colon cancer cell lines in biopsies of patients with colorectal cancer (CRC) (n = 20) and in matched adjacent normal colorectal (MANC) tissue (n = 20). RESULTS: Treatment with physiological doses of IGF-1 promoted nuclear influx of IRS-4 from cellular cytosol in RKO cells...
January 20, 2018: Journal of Gastroenterology
https://www.readbyqxmd.com/read/29353277/a-critical-review-of-the-consensus-statement-from-the-european-atherosclerosis-society-consensus-panel-2017
#4
Harumi Okuyama, Tomohito Hamazaki, Rokuro Hama, Yoichi Ogushi, Tetsuyuki Kobayashi, Naoki Ohara, Hajime Uchino
BACKGROUND: The Consensus Statement from the European Atherosclerosis Society (EAS) Consensus Panel 2017 concludes on the basis of 3 different types of clinical studies that low-density lipoprotein (LDL) causes atherosclerotic cardiovascular disease (ASCVD). In Mendelian randomization studies, rare genetic mutations affecting LDL receptor function were found to cause higher or lower LDL-C levels, which are associated with correspondingly altered ASCVD risk. In prospective cohort studies and randomized controlled trials (RCTs) of statins, a remarkably consistent log-linear association was demonstrated between the absolute magnitude of LDL-C exposure and ASCVD risk...
January 19, 2018: Pharmacology
https://www.readbyqxmd.com/read/29353241/inhibition-of-endothelial-notch-signaling-impairs-fatty-acid-transport-and-leads-to-metabolic-and-vascular-remodeling-of-the-adult-heart
#5
Markus Jabs, Adam J Rose, Lorenz H Lehmann, Jacqueline Taylor, Iris Moll, Tjeerd P Sijmonsma, Stefanie E Herberich, Sven W Sauer, Gernot Poschet, Giuseppina Federico, Carolin Mogler, Eva-Maria Weis, Hellmut G Augustin, Minhong Yan, Norbert Gretz, Roland M Schmid, Ralf H Adams, Hermann-Joseph Gröne, Rüdiger Hell, Jürgen G Okun, Johannes Backs, Peter P Nawroth, Stephan Herzig, Andreas Fischer
Background -Nutrients are transported through endothelial cells before being metabolized in muscle cells. However, little is known about the regulation of endothelial transport processes. Notch signaling is a critical regulator of metabolism and angiogenesis during development. Here, we studied how genetic and pharmacological manipulation of endothelial Notch signaling in adult mice affects endothelial fatty acid transport, cardiac angiogenesis, and heart function. Methods -Endothelial-specific Notch inhibition was achieved by conditional genetic inactivation of Rbp-jκ in adult mice to analyze fatty acid metabolism and heart function...
January 20, 2018: Circulation
https://www.readbyqxmd.com/read/29353039/cetylpyridinium-chloride-as-a-novel-inhibitor-of-hepatitis-b-viral-capsid-assembly
#6
Hyun Wook Seo, Joon Pyung Seo, Yoon Jun Kim, Guhung Jung
Hepatitis B virus (HBV) infection is a major risk factor for chronic liver disease, cirrhosis, and hepatocellular carcinoma (HCC) worldwide. While multiple hepatitis B drugs have been developed, development of drug resistance during treatment or weak efficacies observed in some cases have limited their application. Therefore, there is an urgent need to develop better pharmacological agents for HBV-infected individuals. Here, we identified cetylpyridinium chloride (CPC) as a novel inhibitor of HBV. Using computational analysis of CPC-nucleocapsid proteins, microscale thermophoresis analysis of CPC binding to viral nucleocapsids, and in vitro nucleocapsid formation assays, we found that CPC interacts with dimeric viral nucleocapsid protein (known as core protein or HBcAg)...
January 15, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29352896/biological-activities-and-pharmaceutical-applications-of-polysaccharide-from-natural-resources-a-review
#7
REVIEW
Yue Yu, Mingyue Shen, Qianqian Song, Jianhua Xie
Pharmacotherapy using natural substances can be currently regarded as a very promising future alternative to conventional therapy. As biological macromolecules, polysaccharide together with protein and polynucleotide, are extremely important biomacromoleules which play important roles in the growth and development of living organism. Polysaccharide is important component of higher plants, membrane of the animal cell and the cell wall of microbes. It is also closely related to the physiological functions. Recently, increasing attention has been paid on polysaccharides as an important class of bioactive natural products...
March 1, 2018: Carbohydrate Polymers
https://www.readbyqxmd.com/read/29352865/antihyperlipidemic-and-hepatoprotective-activities-of-polysaccharide-fraction-from-cyclocarya-paliurus-in-high-fat-emulsion-induced-hyperlipidaemic-mice
#8
Zhanwei Yang, Jin Wang, Jingen Li, Lei Xiong, Hui Chen, Xin Liu, Ning Wang, Kehui Ouyang, Wenjun Wang
The objective of this study was to analyse the structure of CPP-2, and to observe the pharmacological effects of CPP-2 on lipid metabolism and oxidative stress. CPP-2, eluted as two main fractions comprised of two polysaccharides with Mw of 307 and 3.7kDa, was mainly consisted of rhamnose, mannose, glucose and galactose in a molar ratio of 1.00:0.78:3.22:0.45. The results showed that treatment with CPP-2 could improve blood lipid levels (TC, TG, HDL-C and LDL-C), liver lipid levels (TC and TG) and antioxidant status (SOD, T-AOC, GSH-PX, MDA and LPO)...
March 1, 2018: Carbohydrate Polymers
https://www.readbyqxmd.com/read/29352757/refractory-heartburn-a-challenging-problem-in-clinical-practice
#9
REVIEW
Gerson Domingues, Joaquim Prado P Moraes-Filho, Ronnie Fass
Gastroesophageal reflux disease (GERD) is a condition which develops when the reflux of stomach contents causes troublesome symptoms and/or complications. Heartburn and regurgitation are the typical symptoms of GERD. The treatment of GERD encompasses lifestyle modifications, pharmacological, endoscopic, and surgical therapy. The majority of the patients respond to 4-8 weeks of proton-pump inhibitors therapy, but 20-42% will demonstrate partial or complete lack of response to treatment. While these patients have been considered as having refractory heartburn, a subset of them does not have GERD or have not been adequately treated...
January 20, 2018: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/29352526/ectrims-ean-guideline-on-the-pharmacological-treatment-of-people-with-multiple-sclerosis
#10
X Montalban, R Gold, A J Thompson, S Otero-Romero, M P Amato, D Chandraratna, M Clanet, G Comi, T Derfuss, F Fazekas, H P Hartung, E Havrdova, B Hemmer, L Kappos, R Liblau, C Lubetzki, E Marcus, D H Miller, T Olsson, S Pilling, K Selmaj, A Siva, P S Sorensen, M P Sormani, C Thalheim, H Wiendl, F Zipp
BACKGROUND AND PURPOSE: Multiple sclerosis (MS) is a complex disease of the central nervous system. As new drugs are becoming available, knowledge on diagnosis and treatment must continuously evolve. There is therefore a need for a reference tool compiling current data on benefit and safety, to aid professionals in treatment decisions and use of resources across Europe. The European Committee of Treatment and Research in Multiple Sclerosis (ECTRIMS) and the European Academy of Neurology (EAN) have joined forces to meet this need...
January 19, 2018: European Journal of Neurology: the Official Journal of the European Federation of Neurological Societies
https://www.readbyqxmd.com/read/29352277/influence-of-early-stress-on-memory-reconsolidation-implications-for-post-traumatic-stress-disorder-treatment
#11
Hélène Villain, Aïcha Benkahoul, Philippe Birmes, Barbara Ferry, Pascal Roullet
Post-traumatic stress disorder (PTSD) is a common consequence of exposure to a life-threatening event. Currently, pharmacological treatments are limited by high rates of relapse, and novel treatment approaches are needed. We have recently demonstrated that propranolol, a β-adrenergic antagonist, inhibited aversive memory reconsolidation in animals. Following this, in an open-label study 70% of patients with PTSD treated with propranolol during reactivation of traumatic memory exhibited full remission. However, the reason why 30% of these patients did not respond positively to propranolol treatment is still unclear...
2018: PloS One
https://www.readbyqxmd.com/read/29352032/the-surprising-subtleties-of-changing-fear-memory-a-challenge-for-translational-science
#12
REVIEW
Merel Kindt
Current pharmacological and psychological treatments for disorders of emotional memory only dampen the affective response while leaving the original fear memory intact. Under adverse circumstances, these original memories regain prominence, causing relapses in many patients. The (re)discovery in neuroscience that after reactivation consolidated fear memories may return to a transient labile state, requiring a process of restabilization in order to persist, offers a window of opportunity for modifying fear memories with amnestic agents...
March 19, 2018: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/29351761/selective-serotonin-reuptake-inhibitor-use-and-breast-cancer-survival-a-population-based-cohort-study
#13
John Busby, Ken Mills, Shu-Dong Zhang, Fabio Giuseppe Liberante, Chris R Cardwell
BACKGROUND: Nearly 50% of breast cancer patients suffer from depression or anxiety. Selective serotonin reuptake inhibitors (SSRIs), the first-line pharmacological treatment for depression, have been implicated in breast cancer development through increased prolactin levels and tamoxifen metabolism inhibition. Previous studies of breast cancer progression have focused on tamoxifen users, or have been limited by their small sample size and methodology. Therefore, we used UK population-based data to more robustly investigate the association between SSRI use and cancer-specific mortality...
January 19, 2018: Breast Cancer Research: BCR
https://www.readbyqxmd.com/read/29351619/repairing-folding-defective-%C3%AE-sarcoglycan-mutants-by-cftr-correctors-a-potential-therapy-for-limb-girdle-muscular-dystrophy-2d
#14
Marcello Carotti, Justine Marsolier, Michela Soardi, Elisa Bianchini, Chiara Gomiero, Chiara Fecchio, Sara F Henriques, Romeo Betto, Roberta Sacchetto, Isabelle Richard, Dorianna Sandonà
Limb Girdle Muscular Dystrophy type 2D (LGMD2D) is a rare autosomal-recessive disease, affecting striated muscle, due to mutation of SGCA, the gene coding for α-sarcoglycan. Nowadays more than 50 different SGCA missense mutations have been reported. They are supposed to impact folding and trafficking of α-sarcoglycan because the defective polypeptide, although potentially functional, is recognized and disposed of by the quality control of the cell. The secondary reduction of α-sarcoglycan partners, β-, γ- and δ-sarcoglycan, disrupts a key membrane complex that, associated to dystrophin, contributes to assure sarcolemma stability during muscle contraction...
January 16, 2018: Human Molecular Genetics
https://www.readbyqxmd.com/read/29351444/activated-human-t-lymphocytes-inhibit-tgf%C3%AE-induced-fibroblast-to-myofibroblast-differentiation-via-prostaglandins-d2-and-e2
#15
Shannon H Lacy, Amali P Epa, Stephen J Pollock, Collynn F Woeller, Thomas H Thatcher, Richard P Phipps, Patricia J Sime
In pulmonary fibrosis (PF), fibroblasts and myofibroblasts proliferate and deposit excessive extracellular matrix in the interstitium, impairing normal lung function. As most forms of PF have a poor prognosis and limited treatment options, PF represents an urgent unmet need for novel, effective therapeutics. While the role of immune cells in lung fibrosis is unclear, recent studies suggest that T lymphocyte (T cell) activation may be impaired in PF patients. Further, we have previously shown that activated T cells can produce prostaglandins with anti-scarring potential...
December 20, 2017: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/29351409/pharmacological-activation-of-ppar%C3%AE-inhibits-hypoxia-induced-proliferation-through-a-caveolin-1-targeted-and-dependent-mechanism-in-pasmcs
#16
Kai Yang, Mingming Zhao, Junyi Huang, Chenting Zhang, Qiu Yu Zheng, Yuqin Chen, Haiyang Jiang, Wenju Lu, Jian Wang
Previously, we and others have demonstrated that activation of peroxisome proliferator- activated receptor γ (PPARγ) by specific pharmacological agonists inhibits the pathogenesis of chronic hypoxia-induced pulmonary hypertension (CHPH) by suppressing the proliferation and migration in distal pulmonary arterial smooth muscle cells (PASMCs). Moreover, these beneficial effects of PPARγ are mediated by targeting the intracellular calcium homeostasis and store-operated calcium channel (SOCC) proteins, including the main caveolae component caveolin-1...
January 3, 2018: American Journal of Physiology. Cell Physiology
https://www.readbyqxmd.com/read/29351086/active-phytoconstituents-for-diabetes-management-a-review
#17
Rajnish Gupta
Diabetes is a metabolic syndrome increasing rapidly due to occupational stress, lack of physical activity, sedentary lifestyle and increasing occurrence of obesity, associated with rapidly growing urbanization and industrialization. Due to erroneous carbohydrate metabolism, diabetics are more prone to chronic complications like nephropathy, neuropathy, retinopathy, coronary artery disease and peripheral arterial disease resulting in tissue damage. Current treatment protocols to these problems produce more serious adverse effects and are costly too...
January 19, 2018: Journal of Complementary & Integrative Medicine
https://www.readbyqxmd.com/read/29350907/excitatory-and-inhibitory-neuronal-circuits-in-the-spinal-cord-and-their-role-in-the-control-of-motor-neuron-function-and-degeneration
#18
Uri Nimrod Ramírez-Jarquín, Ricardo Tapia
The complex neuronal networks of the spinal cord coordinate a wide variety of motor functions, including walking, running and voluntary and involuntary movements. This is accomplished by different groups of neurons, called center pattern generators, which control left-right alternation and flexor-extensor patterns. These spinal circuits, located in the ventral horns, are formed by several neuronal types, and the specific function of most of them has been identified by means of studies in vivo and in the isolated spinal cord of mice harboring genetically induced ablation of specific neuronal populations...
January 19, 2018: ACS Chemical Neuroscience
https://www.readbyqxmd.com/read/29350320/ethical-implications-in-vaccine-pharmacotherapy-for-treatment-and-prevention-of-drug-of-abuse-dependence
#19
Anna Carfora, Paola Cassandro, Alessandro Feola, Francesco La Sala, Raffaella Petrella, Renata Borriello
Different immunotherapeutic approaches are in the pipeline for the treatment of drug dependence. "Drug vaccines" aim to induce the immune system to produce antibodies that bind to drugs and prevent them from inducing rewarding effects in the brain. Drugs of abuse currently being tested using these new approaches are opioids, nicotine, cocaine, and methamphetamine. In human clinical trials, "cocaine and nicotine vaccines" have been shown to induce sufficient antibody levels while producing few side effects. Studies in humans, determining how these vaccines interact in combination with their target drug, are underway...
January 19, 2018: Journal of Bioethical Inquiry
https://www.readbyqxmd.com/read/29350125/current-management-migraine-headache
#20
Stephen D Silberstein
Migraine varies in its frequency, severity, and impact; treatment should consider these variations and the patient's needs and goals. Migraine pharmacologic treatment may be acute (abortive) or preventive (prophylactic), and patients often require both. New medication devices are available or in development, including an intracutaneous, microneedle system of zolmitriptan and sumatriptan, and breath-powered powder sumatriptan intranasal treatment. Lasmiditan, a 5-HT1F receptor agonist, is in development for acute treatment, as are small molecule calcitonin gene-related peptide (CGRP) receptor antagonists (Gepants) for acute and preventive treatment...
December 2017: CNS Spectrums
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