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https://www.readbyqxmd.com/read/28805585/understanding-and-treating-pain-syndromes-in-parkinson-s-disease
#1
Marialuisa Gandolfi, Christian Geroin, Angelo Antonini, Nicola Smania, Michele Tinazzi
Pain affects many people with Parkinson's disease (PD) and diminishes their quality of life. Different types of pain have been described, but their related pathophysiological mechanisms remain unclear. The aim of this chapter is to provide movement disorders specialists an update about the pathophysiology of pain and a practical guide for the management of pain syndromes in clinical practice. This chapter reviews current knowledge on the pathophysiological mechanisms of sensory changes and pain in PD, as well as assessment and treatment procedures to manage these symptoms...
2017: International Review of Neurobiology
https://www.readbyqxmd.com/read/28802153/a-theoretical-exploration-of-the-effect-of-fluorine-and-cyano-substitutions-in-diketopyrrolopyrrole-based-polymer-donor-for-organic-solar-cells
#2
Zhi-Wen Zhao, Qing-Qing Pan, Shuang-Bao Li, Yu-Ai Duan, Yun Geng, Min Zhang, Zhong-Min Su
A series of polymer donor materials 1-5 based on diketopyrrolopyrrole and thiophene unit which have been widely used in organic solar cells (OSCs) were investigated based on quantum chemical calculations. The effect of fluorine and cyano substitutions in polymer donor materials was focused on. Based on the investigation on electronic structures and optical properties of the reported molecules 1 and 2 and the analysis on some parameters relevant to charge dissociation ability at donor/acceptor interface constituted by 1 and 2 with PC61BM such as intermolecular charge transfer and recombination, driving force and Coulombic bound energy, we explained why fluorine substitution can improve OPV efficiency through strengthening eletron-withdrawing ability from a theoretical perspective...
August 2, 2017: Journal of Molecular Graphics & Modelling
https://www.readbyqxmd.com/read/28801055/therapy-with-mesenchymal-stromal-cells-or-conditioned-medium-reverse-cardiac-alterations-in-a-high-fat-diet-induced-obesity-model
#3
P S Daltro, B C Barreto, P G Silva, P Chenaud Neto, P H F Sousa Filho, D Santana Neta, G B Carvalho, D N Silva, B D Paredes, A C de Alcantara, L A R Freitas, R D Couto, R R Santos, B S F Souza, M B P Soares, S G Macambira
BACKGROUND: Obesity is associated with numerous cardiac complications, including arrhythmias, cardiac fibrosis, remodeling and heart failure. Here we evaluated the therapeutic potential of mesenchymal stromal cells (MSCs) and their conditioned medium (CM) to treat cardiac complications in a mouse model of high-fat diet (HFD)-induced obesity. METHODS: After obesity induction and HFD withdrawal, obese mice were treated with MSCs, CM or vehicle. Cardiac function was assessed using electrocardiography, echocardiography and treadmill test...
August 8, 2017: Cytotherapy
https://www.readbyqxmd.com/read/28799510/safety-profile-of-the-newest-antiepileptic-drugs-a-curated-literature-review
#4
Caterina Palleria, Giuseppe Cozza, Rajeshree Khengar, Vincenzo Libri, Giovambattista De Sarro
BACKGROUND: Despite the introduction of new antiepileptic drugs (AEDs), the quality of life and therapeutic response for patients with epilepsy remain unsatisfactory. In addition, whilst several antiepileptic drugs (AEDs) have been approved and consequently marketed in recent years, little is known about their long-term safety and tolerability. Availability of the newest AEDs, characterized by improved pharmacokinetic profiles, has positively impacted the treatment approach for patients with partial seizures in clinical practice...
August 9, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28797269/a-reduction-in-malaria-transmission-intensity-in-northern-ghana-after-7%C3%A2-years-of-indoor-residual-spraying
#5
Sylvester Coleman, Samuel K Dadzie, Aklilu Seyoum, Yemane Yihdego, Peter Mumba, Dereje Dengela, Philip Ricks, Kristen George, Christen Fornadel, Daniel Szumlas, Paul Psychas, Jacob Williams, Maxwell A Appawu, Daniel A Boakye
BACKGROUND: Indoor residual spraying (IRS) is being implemented as one of the malaria prevention methods in the Northern Region of Ghana. Changes in longevity, sporozoite and entomological inoculation rates (EIRs) of major malaria vectors were monitored to assess the impact of IRS in selected districts. METHODS: Monthly human landing catches (HLCs) were used to collect mosquitoes from sentinel sites in three adjacent districts between July 2009 and December 2014: Savelugu Nanton (SND) where IRS had been implemented from 2008 to 2014; Tolon Kumbungu (TKD) where IRS had been implemented between 2008 and 2012 and Tamale Metropolis (TML) with no history of IRS...
August 10, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28792997/hyoscine-butylbromide-for-colorectal-polyp-detection-prospective-randomized-placebo-controlled-trial
#6
Carlos Eduardo Oliveira Dos Santos, Hamilton Moreira, Julio Carlos Pereira-Lima, Carmen Australia Paredes Marcondes Ribas, Fernanda de Quadros Onófrio, Alexandre Eduardo Augusti Czecko, Rafael Koerich Ramos, Caroline Aragão de Carvalho
OBJECTIVES: The removal of pre-malignant colorectal lesions prevents cancer. Hyoscine has been proposed as a means of improving diagnosis by reducing colonic movements. The aim of this study was to analyze whether this anti-spasmodic enhances the detection of pre-malignant colorectal lesions. METHODS: In a randomized, double-blinded fashion patients received hyoscine or a saline solution in all consecutive colonoscopies in which the cecum was reached. Lesions were analysed with respect to number, size, location, histology and capillary pattern...
July 2017: Clinics
https://www.readbyqxmd.com/read/28791308/recovery-following-thyroxine-treatment-withdrawal-but-not-propylthiouracil-averts-in-vivo-and-ex-vivo-thyroxine-provoked-cardiac-complications-in-adult-fvb-n-mice
#7
Nancy S Saad, Steven J Repas, Kyle Floyd, Paul M L Janssen, Mohammad T Elnakish
Persistent cardiovascular pathology has been described in hyperthyroid patients even with effective antithyroid treatment. Here, we studied the effect of a well-known antithyroid drug, propylthiouracil (PTU; 20 mg/kg/day), on thyroxine (T4; 500 µg/kg/day)-induced increase in blood pressure (BP), cardiac hypertrophy, and altered responses of the contractile myocardium both in vivo and ex vivo after 2 weeks of treatment. Furthermore, the potential recovery through 2 weeks of T4 treatment discontinuation was also investigated...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28780109/comparison-of-2-protocols-to-increase-circulating-progesterone-concentration-before-timed-artificial-insemination-in-lactating-dairy-cows-with-or-without-elevated-body-temperature
#8
M H C Pereira, M C Wiltbank, T G Guida, F R Lopes, J L M Vasconcelos
Two treatments designed to increase circulating progesterone concentration (P4) during preovulatory follicle development were compared. One treatment used 2 intravaginal P4 implants (controlled internal drug-releasing inserts; CIDR) and the other used a GnRH treatment at beginning of the protocol. Lactating Holstein cows that had been diagnosed as nonpregnant were randomly assigned to receive timed artificial insemination (TAI) following 1 of 2 treatments (n = 1,638 breedings): (1) GnRH: CIDR+ 2 mg of estradiol (E2) benzoate + 100 µg of GnRH on d -11, PGF2α on d -4, CIDR withdrawal + 1...
August 2, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28777031/the-impact-of-stigma-on-subjective-well-being-in-people-with-mental-disorders
#9
Clara I Morgades-Bamba, María José Fuster-Ruizdeapodaca, Fernando Molero
RATIONALE: People diagnosed with a mental disorder are highly discriminated against, and when they internalize the social stigma they suffer severe consequences which have been associated with greater symptomatology and reduced recovery. This research was carried out in order to develop a predictive model about how discrimination contributes to subjective well-being (positive and negative affects experienced) by means of internalization of stigma (alienation, stereotype endorsement and social withdrawal) and deterioration of positive self-concept (self-esteem and self-efficacy)...
August 4, 2017: Clinical Schizophrenia & related Psychoses
https://www.readbyqxmd.com/read/28776762/vein-wrapping-facilitates-basic-fibroblast-growth-factor-induced-heme-oxygenase-1-expression-following-chronic-nerve-constriction-injury
#10
Naoya Hirosawa, Kentaro Uchida, Kazuki Kuniyoshi, Kenichi Murakami, Gen Inoue, Masayuki Miyagi, Yusuke Matsuura, Sumihisa Orita, Kazuhide Inage, Takane Suzuki, Masashi Takaso, Seiji Ohtori
The clinical efficacy of autologous vein wrapping for recurrent compressive neuropathy has been demonstrated; however, the underlying mechanisms of this technique remain unclear. Rats were divided into chronic constriction injury (CCI) and CCI + vein wrapping (CCI + VW) groups. Mechanical allodynia was evaluated using von Frey filaments. To identify the neuroprotective factors released from veins, basic fibroblast growth factor (bFGF) mRNA expression in veins was compared to that in the sciatic nerve...
August 4, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/28776309/morphine-withdrawal-increases-brain-derived-neurotrophic-factor-precursor
#11
Alessia Bachis, Lee A Campbell, Kierra Jenkins, Erin Wenzel, Italo Mocchetti
Morphine has been shown to increase the expression of brain-derived neurotrophic factor (BDNF) in the brain. However, little is known about the effect of morphine withdrawal on BDNF and its precursor protein, or proBDNF, which induces neuronal apoptosis. In this work, we examined whether BDNF and proBDNF levels change in rats chronically injected with escalating doses of morphine and those who undergo spontaneous withdrawal for 60 h. We observed, in the frontal cortex and striatum, that the ratio of BDNF to proBDNF changed depending upon the experimental paradigm...
August 3, 2017: Neurotoxicity Research
https://www.readbyqxmd.com/read/28774339/measurement-education-and-tracking-in-integrated-care-metric-use-of-a-culturally-adapted-education-tool-versus-standard-education-to-increase-engagement-in-depression-treatment-among-hispanic-patients-study-protocol-for-a-randomized-control-trial
#12
Katherine Sanchez, Brittany H Eghaneyan, Michael O Killian, Leopoldo Cabassa, Madhukar H Trivedi
BACKGROUND: Significant mental health disparities exist for Hispanic populations, especially with regard to depression treatment. Stigma and poor communication between patients and their providers result in low use of antidepressant medications and early treatment withdrawal. Cultural factors which influence treatment decisions among Hispanics include fears about the addictive and harmful properties of antidepressants, worries about taking too many pills, and the stigma attached to taking medications...
August 3, 2017: Trials
https://www.readbyqxmd.com/read/28772216/minocycline-attenuates-the-development-of-diabetic-neuropathy-by-inhibiting-spinal-cord-notch-signaling-in-rat
#13
Cheng Yang, Jie Gao, Banglin Wu, Nuo Yan, Hui Li, Yiqing Ren, Yufei Kan, Jiamin Liang, Yang Jiao, Yonghao Yu
We studied the effects of minocycline (an inhibitor of microglial activation) on the expression and activity of Notch-1 receptor, and explored the therapeutic efficacy of minocycline combined with Notch inhibitor DAPT in the treatment of diabetic neuropathic pain (DNP). Diabetic rat model was established by intraperitoneal injection (ip) of Streptozotocin (STZ). Expression and activity of Notch-1 and expression of macrophage/microglia marker Iba-1 were detected by WB. Diabetes induction significantly attenuated sciatic nerve conduction velocity, and dramatically augmented the expression and the activity of Notch-1 in the lumbar enlargement of the spinal cord...
July 31, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28770976/non-steroidal-anti-inflammatory-drugs-nsaids-for-chronic-non-cancer-pain-in-children-and-adolescents
#14
REVIEW
Christopher Eccleston, Tess E Cooper, Emma Fisher, Brian Anderson, Nick Mr Wilkinson
BACKGROUND: Pain is a common feature of childhood and adolescence around the world, and for many young people, that pain is chronic. The World Health Organization guidelines for pharmacological treatments for children's persisting pain acknowledge that pain in children is a major public health concern of high significance in most parts of the world. While in the past pain was largely dismissed and was frequently left untreated, views on children's pain have changed over time, and relief of pain is now seen as important...
August 2, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28766601/theoretical-tuning-of-the-singlet-triplet-energy-gap-to-achieve-efficient-long-wavelength-thermally-activated-delayed-fluorescence-emitters-the-impact-of-substituents
#15
Lijuan Wang, Tao Li, Peicheng Feng, Yan Song
Great progress has been made in developing highly efficient thermally activated delayed fluorescent (TADF) materials. However, developing highly efficient long-wavelength TADF emitters is still a challenge because a small energy gap (ΔEST) between the lowest singlet (S1) and triplet excited states (T1) and a relatively high fluorescence rate are difficult to achieve simultaneously in one molecule. Here, eleven donor-acceptor (D-A) type molecules using N(3),N(3),N(6),N(6)-tetraphenyl-9H-carbazole-3,6-diamine (named DAC-II) as the electron donor and the 2-phenyl-quinoxaline-based electron acceptor are designed via introducing different electron-donating and electron-withdrawing groups into the acceptor and changing the connection position between the donor (D) and the acceptor (A)...
August 2, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28765938/rapamycin-inhibits-spermatogenesis-by-changing-the-autophagy-status-through-suppressing-mechanistic-target-of-rapamycin-p70s6-kinase-in-male-rats
#16
Shangjing Liu, Longxian Huang, Yanqing Geng, Junlin He, Xuemei Chen, Hao Xu, Rong Li, Yingxiong Wang, Yubin Ding, Xueqing Liu
Rapamycin (sirolimus) is an antiproliferative drug that has been widely used in the clinic as an immunosuppressant and a potential anticancer agent. Certain reports have indicated that rapamycin may induce male infertility through impairing sperm quality. The present study investigated the mechanism of male infertility caused by rapamycin and examined whether withdrawal of rapamycin could recover the number of sperm in rats. Male Sprague‑Dawley rats (n=100) were divided randomly into 5 groups: 3 rapamycin‑treated groups (2, 4 and 6 mg/kg) and 2 control groups [Blank and dimethyl sulfoxide (DMSO)]...
July 31, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28765370/three-dimensional-biomimetic-vascular-model-reveals-a-rhoa-rac1-and-n-cadherin-balance-in-mural-cell-endothelial-cell-regulated-barrier-function
#17
Stella Alimperti, Teodelinda Mirabella, Varnica Bajaj, William Polacheck, Dana M Pirone, Jeremy Duffield, Jeroen Eyckmans, Richard K Assoian, Christopher S Chen
The integrity of the endothelial barrier between circulating blood and tissue is important for blood vessel function and, ultimately, for organ homeostasis. Here, we developed a vessel-on-a-chip with perfused endothelialized channels lined with human bone marrow stromal cells, which adopt a mural cell-like phenotype that recapitulates barrier function of the vasculature. In this model, barrier function is compromised upon exposure to inflammatory factors such as LPS, thrombin, and TNFα, as has been observed in vivo...
August 1, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28763302/intramuscularly-injected-neurotropin-reduced-muscular-mechanical-hyperalgesia-induced-by-repeated-cold-stress-in-rats
#18
Teruaki Nasu, Shiori Murase, Yoshiko Takeda-Uchimura, Kazue Mizumura
An extract of rabbit skin inflamed by inoculation with the vaccinia virus, neurotropin [by intravenous, oral, and intramuscular (i.m.) administration], has been used in China and Japan for the treatment of chronic pain. In this study, we investigated the analgesic mechanism of i.m. neurotropin. Rats were exposed to repeated cold stress, and muscular mechanical hyperalgesia was evaluated by measuring the withdrawal threshold of the gastrocnemius muscle using Randall-Selitto apparatus. I.m. but not subcutaneous, neurotropin dose dependently reduced the repeated cold stress-induced muscular mechanical hyperalgesia for 3 h, but it had no effect in normal rats...
July 31, 2017: Behavioural Pharmacology
https://www.readbyqxmd.com/read/28762461/cordycepin-prevents-postoperative-formation-of-intra-abdominal-adhesion-in-a-rat-model-an-experimental-study
#19
Serkan Arslan, Hikmet Zeytun, Erol Basuguy, İbrahim İbiloğlu, İbrahim Uygun, Ahmet Yılmaz, İlhan Tan, Gülten Toprak
BACKGROUND: The aim of the present study was to investigate whether cordycepin prevented adhesion formation in a rat model. METHODS: Rats were randomly assigned to 3 groups of 10 rats. CONTROL GROUP: The absence of adhesion was confirmed via laparotomy. Adhesion group: The cecum was removed from the abdomen and scraped with a dry gauze bandage until petechial hemorrhagic foci developed. Cordycepin group: The same surgical procedure was performed as in the adhesion group, and 10 mg/kg cordycepin was administered intraperitoneally...
July 2017: Ulusal Travma Ve Acil Cerrahi Dergisi, Turkish Journal of Trauma & Emergency Surgery: TJTES
https://www.readbyqxmd.com/read/28760143/decision-support-during-electronic-prescription-to-stem-antibiotic-overuse-for-acute-respiratory-infections-a-long-term-quasi-experimental-study
#20
Jeneen Gifford, Elisabeth Vaeth, Katherine Richards, Tariq Siddiqui, Christine Gill, Lucy Wilson, Sylvain DeLisle
BACKGROUND: Interventions to support decision-making can reduce inappropriate antibiotic use for acute respiratory infections (ARI), but they may not be sustainable. The objective of the study is to evaluate the long-term effectiveness of a clinical decision-support system (CDSS) interposed at the time of electronic (e-) prescriptions for selected antibiotics. METHODS: This is a retrospective, observational intervention study, conducted within a large, statewide Veterans Affairs health system...
July 31, 2017: BMC Infectious Diseases
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