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https://www.readbyqxmd.com/read/28107769/the-transcriptional-modulator-ifrd1-controls-pgc-1%C3%AE-expression-under-short-term-adrenergic-stimulation-in-brown-adipocytes
#1
Gyujin Park, Tetsuhiro Horie, Takashi Kanayama, Kazuya Fukasawa, Takashi Iezaki, Yuki Onishi, Kakeru Ozaki, Yukari Nakamura, Yukio Yoneda, Takeshi Takarada, Eiichi Hinoi
Sympathetic tone activates the function of classical brown adipocytes, which constitutively exist in the brown adipose tissue, and inducible brown adipocytes (so-called beige adipocytes), which sporadically reside within the white adipose tissue. Here we identified the transcriptional modulator interferon-related developmental regulator 1 (Ifrd1) as a negative regulator of thermogenic and mitochondrial gene expression in brown adipocytes. Ifrd1 expression was markedly induced by cold exposure and administration of CL-316243 (a β3 adrenergic agonist) in interscapular brown adipose and inguinal subcutaneous white adipose tissues, but not in epididymal visceral white adipose tissue, in vivo...
January 20, 2017: FEBS Journal
https://www.readbyqxmd.com/read/28107753/role-of-central-opioid-on-the-antinociceptive-effect-of-sulfated-polysaccharide-from-the-red-seaweed-solieria-filiformis-in-induced-temporomandibular-joint-pain
#2
Ianna Wivianne Fernandes Araújo, Hellíada Vasconcelos Chaves, José Mário Pachêco, Danielle Rocha Val, Lorena Vasconcelos Vieira, Rodrigo Santos, Raul Sousa Freitas, Renata Line Rivanor, Valdécio Silvano Monteiro, Juliana Trindade Clemente-Napimoga, Mirna Marques Bezerra, Norma Maria Barros Benevides
This study aimed to investigate the effect of sulfated polysaccharide from red seaweed Solieria filiformis (Fraction F II) in the inflammatory hypernociception in the temporomandibular joint (TMJ) of rats. Male Wistar rats were pretreated (30min) with a subcutaneous injection (s.c.) of vehicle or FII (0.03, 0.3 or 3.0mg/kg) followed by intra-TMJ injection of 1.5% Formalin or 5-hydroxytryptamine (5-HT, 225μg/TMJ). In other set of experiments rats were pretreated (15min) with an intrathecal injection of the non-selective opioid receptors Naloxone, or μ-opioid receptor antagonist CTOP, or δ-opioid receptor Naltridole hydrochloride, or κ-opioid receptor antagonist Nor-Binaltorphimine (Nor-BNI) followed by injection of FII (s...
January 17, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28107670/pharmaceutical-opioid-use-among-oral-and-intravenous-users-in-australia-a-qualitative-comparative-study
#3
George Dertadian, Jenny Iversen, Thomas C Dixon, Katrina Sotiropoulos, Lisa Maher
BACKGROUND: Between 1992 and 2012 dispensing episodes for pharmaceutical opioids (PO) in Australia increased from 500000 to 7500000. In the US, increases in the prescription of PO have been linked to increases in opioid-related morbidity and mortality and transitions to heroin injection. However, Australian data indicate that morbidity and mortality related to PO are relatively low, particularly when compared to heroin and other drugs. This paper explores the characteristics and patterns of non-medical pharmaceutical opioid (NMPO) use among a sample of young people in Sydney, Australia...
January 17, 2017: International Journal on Drug Policy
https://www.readbyqxmd.com/read/28107665/a-%C3%AF-%C3%AF-conjugation-containing-soft-and-conductive-injectable-polymer-hydrogel-highly-efficiently-rebuilds-cardiac-function-after-myocardial-infarction
#4
Rui Bao, Baoyu Tan, Shuang Liang, Ning Zhang, Wei Wang, Wenguang Liu
Previous studies suggested that a stiffer hydrogel system exhibited a better performance to promote heart function after myocardial infarction (MI). However, the nature of myocardium, a tissue that alternately contracts and relaxes with electrical impulses, leads us to hypothesize that a soft and conductive hydrogel may be in favor of mechanical and electrical signals transmission to enhance heart function after MI. In this work, π-π conjugation interaction was first employed to produce a soft injectable hydrogel with conductive property...
January 12, 2017: Biomaterials
https://www.readbyqxmd.com/read/28107663/antibacterial-anti-oxidant-electroactive-injectable-hydrogel-as-self-healing-wound-dressing-with-hemostasis-and-adhesiveness-for-cutaneous-wound-healing
#5
Xin Zhao, Hao Wu, Baolin Guo, Ruonan Dong, Yusheng Qiu, Peter X Ma
Injectable self-healing hydrogel dressing with multifunctional properties including anti-infection, anti-oxidative and conductivity promoting wound healing process will be highly desired in wound healing application and its design is still a challenge. We developed a series of injectable conductive self-healed hydrogels based on quaternized chitosan-g-polyaniline (QCSP) and benzaldehyde group functionalized poly(ethylene glycol)-co-poly(glycerol sebacate) (PEGS-FA) as antibacterial, anti-oxidant and electroactive dressing for cutaneous wound healing...
January 11, 2017: Biomaterials
https://www.readbyqxmd.com/read/28107661/targeting-nf-kb-signaling-with-polymeric-hybrid-micelles-that-co-deliver-sirna-and-dexamethasone-for-arthritis-therapy
#6
Qin Wang, Hao Jiang, Yan Li, Wenfei Chen, Hanmei Li, Ke Peng, Zhirong Zhang, Xun Sun
The transcription factor NF-kB plays a pivotal role in the pathogenesis of rheumatoid arthritis. Here we attempt to slow arthritis progression by co-delivering the glucocorticoid dexamethasone (Dex) and small-interfering RNA targeting NF-kB p65 using our previously developed polymeric hybrid micelle system. These micelles contain two similar amphiphilic copolymers: polycaprolactone-polyethylenimine (PCL-PEI) and polycaprolactone-polyethyleneglycol (PCL-PEG). The hybrid micelles loaded with Dex and siRNA effectively inhibited NF-kB signaling in murine macrophages more efficiently than micelles containing either Dex or siRNA on their own...
January 11, 2017: Biomaterials
https://www.readbyqxmd.com/read/28107585/treatment-and-primary-prevention-in-people-who-inject-drugs-for-chronic-hepatitis-c-infection-is-elimination-possible-in-a-high-prevalence-setting
#7
I Gountas, V Sypsa, O Anagnostou, N K Martin, P Vickerman, E Kafetzopoulos, A Hatzakis
AIMS: To project the impact of scaling up oral antiviral therapy and harm reduction on chronic hepatitis C (CHC) prevalence and incidence among people who inject drugs (PWID) in Greece, to estimate the relationship between required treatment levels and expansion of harm reduction programs to achieve specific targets and to examine whether hepatitis C viruse (HCV) elimination among PWID is possible in this high prevalence setting. DESIGN: A dynamic discrete time, stochastic individual-based model was developed to simulate HCV transmission among PWID incorporating the effect of HCV treatment and harm reduction strategies, and allowing for reinfection following treatment...
January 20, 2017: Addiction
https://www.readbyqxmd.com/read/28107512/nonstructural-5a-protein-of-hepatitis-c-virus-interferes-with-toll-like-receptor-signaling-and-suppresses-the-interferon-response-in-mouse-liver
#8
Takeya Tsutsumi, Kazuya Okushin, Kenichiro Enooku, Hidetaka Fujinaga, Kyoji Moriya, Hiroshi Yotsuyanagi, Hideki Aizaki, Tetsuro Suzuki, Yoshiharu Matsuura, Kazuhiko Koike
The hepatitis C virus nonstructural protein NS5A is involved in resistance to the host immune response, as well as the viral lifecycle such as replication and maturation. Here, we established transgenic mice expressing NS5A protein in the liver and examined innate immune responses against lipopolysaccharide (LPS) in vivo. Intrahepatic gene expression levels of cytokines such as interleukin-6, tumor necrosis factor-α, and interferon-γ were significantly suppressed after LPS injection in the transgenic mouse liver...
2017: PloS One
https://www.readbyqxmd.com/read/28107423/characterization-of-the-drug-resistance-profiles-of-patients-infected-with-crf07_bc-using-phenotypic-assay-and-ultra-deep-pyrosequencing
#9
Szu-Wei Huang, Wei-You Li, Wen-Hung Wang, Yu-Ting Lin, Chih-Hung Chou, Marcelo Chen, Hsien-Da Huang, Yen-Hsu Chen, Po-Liang Lu, Sheng-Fan Wang, Shinichi Oka, Yi-Ming Arthur Chen
The usefulness of ultra-deep pyrosequencing (UDPS) for the diagnosis of HIV-1 drug resistance (DR) remains to be determined. Previously, we reported an explosive outbreak of HIV-1 circulating recombinant form (CRF) 07_BC among injection drug users (IDUs) in Taiwan in 2004. The goal of this study was to characterize the DR of CRF07_BC strains using different assays including UDPS. Seven CRF07_BC isolates including 4 from early epidemic (collected in 2004-2005) and 3 from late epidemic (collected in 2008) were obtained from treatment-naïve patient's peripheral blood mononuclear cells...
2017: PloS One
https://www.readbyqxmd.com/read/28107404/patterns-of-contraceptive-adoption-continuation-and-switching-after-delivery-among-malawian-women
#10
Dawn M Kopp, Nora E Rosenberg, Gretchen S Stuart, William C Miller, Mina C Hosseinipour, Phylos Bonongwe, Mwawi Mwale, Jennifer H Tang
Women who report use of postpartum family planning may not continue their initial method or use it consistently. Understanding the patterns of method uptake, discontinuation, and switching among women after delivery is important to promote uptake and continuation of effective methods of contraception. This is a secondary analysis of 634 Malawian women enrolled into a prospective cohort study after delivery. They completed baseline surveys upon enrollment and follow-up telephone surveys 3, 6, and 12 months post-delivery...
2017: PloS One
https://www.readbyqxmd.com/read/28107322/on-body-injector-an-administration-device-for-pegfilgrastim
#11
Linda J Mahler, Regina DiBlasi, Anielka Perez, Jeannie Gaspard, Dayna McCauley
Many chemotherapy regimens used today require the support of a 
granulocyte-colony-stimulating factor for the prevention of 
life-threatening neutropenia. In March 2015, a delivery method was introduced for Neulasta® (pegfilgrastim) through an on-body injector (Onpro®), which may eliminate the need for patients to return for injection after chemotherapy, increase workflow, and allow more patients to be seen. The purpose of this study was to monitor the implementation of the Onpro delivery system in an outpatient facility...
February 1, 2017: Clinical Journal of Oncology Nursing
https://www.readbyqxmd.com/read/28107310/the-renin-inhibitor-aliskiren-protects-rat-lungs-from-the-histopathologic-effects-of-fat-embolism
#12
Amanda N Fletcher, Agostino Molteni, Rakesh Ponnapureddy, Chirag Patel, Mark Pluym, Alan M Poisner
BACKGROUND: Fat embolism (FE) and the consequent FE syndrome occurring after trauma or surgery can lead to serious pulmonary injury, including ARDS and death. Current treatment of FE syndrome is limited to supportive therapy. We have shown in a rat model that the renin angiotensin system plays a significant role in the pathophysiology of FE because drugs interfering with the renin angiotensin system, captopril and losartan reduce the histopathologic pulmonary damage. The purpose of the current study was to determine if inhibition of renin by aliskiren, an FDA-approved drug for treating hypertension, would produce effective protection in the same model...
February 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28107240/an-in-vitro-evaluation-of-fracture-reduction-achieved-by-inflatable-bone-tamps-under-simulated-physiological-load
#13
Michael Gordon, Walter C Peppelman, William Beutler, Damien OʼHalloran, Suresh R Chinthakunta, Brandon Bucklen
STUDY DESIGN: An in vitro biomechanical study. OBJECTIVE: To determine the fracture reduction achieved by a novel inflatable bone tamp under simulated physiological load. SUMMARY OF BACKGROUND DATA: Previous biomechanical studies have showed that kyphoplasty allows near-total restoration of lost vertebral height in unloaded conditions and partial height restoration under simulated physiological loads. Clinically, loss of reduction has been observed after bone tamp deflation, before cement injection...
February 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28107102/effects-of-traditional-chinese-medicine-dilong-injection-on-random-skin-flap-survival-in-rats
#14
Lina Xu, Dingsheng Lin, Bin Cao, Dongnan Ping
BACKGROUND: Dilong injection as a medicinal preparation extracted from earthworm in traditional Chinese medicine, is used to activate blood circulation and remove blood stasis. In this research, we aim to investigate its potential effect on random skin flap survival in rat models. MATERIALS AND METHODS: McFarlane flaps were established in 60 male Sprague-Dawley rats randomly divided into two groups: the control group and the Dilong injection group. Diong injection group was injected with the Diong injection (4 mL/kg) once a day for seven days, and the control group was given an equal volume of saline solution...
January 20, 2017: Journal of Investigative Surgery: the Official Journal of the Academy of Surgical Research
https://www.readbyqxmd.com/read/28107094/dynamic-volume-assessment-of-hepatocellular-carcinoma-in-rat-livers-using-a-clinical-3t-mri-and-novel-segmentation
#15
Lorenzo A Orci, Graziano Oldani, Stephanie Lacotte, Florence Slits, Iris Friedli, Wolfgang Wirth, Christian Toso, Jean-Paul Vallée, Lindsey A Crowe
PURPOSE: In vivo liver cancer research commonly uses rodent models. One of the limitations of such models is the lack of accurate and reproducible endpoints for a dynamic assessment of growing tumor nodules. The aim of this study was to validate a noninvasive, true volume segmentation method using two rat hepatocellular carcinoma (HCC) models, correlating magnetic resonance imaging (MRI) with histological volume measurement, and with blood levels of α-fetoprotein. MATERIALS AND METHODS: We used 3T clinical MRI to quantify tumor volume with follow-up over time...
January 20, 2017: Journal of Investigative Surgery: the Official Journal of the Academy of Surgical Research
https://www.readbyqxmd.com/read/28106925/clinical-study-evaluating-the-accuracy-of-injecting-the-distal-tarsal-joints-in-the-horse
#16
K A Seabaugh, K T Selberg, P O E Mueller, R B Eggleston, J F Peroni, K M Claunch, H J Markwell, G M Baxter
BACKGROUND: Osteoarthritis (OA) of the centrodistal (CD) and tarsometatarsal (TMT) joints is a common cause of lameness in horses. Intra-articular diagnostic anaesthesia and/or therapeutic injection are relied upon to help diagnose and treat many horses with OA of these joints. OBJECTIVES: The objective of this study was to determine the accuracy of arthrocentesis of the CD and TMT joints using a sample population of equine surgeons and surgery residents. STUDY DESIGN: Randomised experimental study...
January 20, 2017: Equine Veterinary Journal
https://www.readbyqxmd.com/read/28106889/the-incidence-and-risk-factors-for-the-development-of-vitreomacular-interface-abnormality-in-diabetic-macular-edema-treated-with-intravitreal-injection-of-anti-vegf
#17
C-K Chang, C-K Cheng, C-H Peng
PurposeTo report the incidence and associated factors for the development of vitreomacular interface abnormality (VMIA) in patients with diabetic macular edema (DME) who received intravitreal injection (IVI) of anti-VEGF (Bevacizumab and Ranibizumab) treatment.MethodsA retrospective observational study. Patients with DME followed at least 6 months were reviewed. Baseline best-corrected visual acuity (BCVA), central retinal thickness (CRT) and final BCVA, CRT in eyes with and without VMIA were compared. Multiple logistic regression was also used to investigate the risk factors of VMIA formation in patients with DME treated by anti-VEGF...
January 20, 2017: Eye
https://www.readbyqxmd.com/read/28106887/report-of-12-months-efficacy-and-safety-of-intravitreal-fluocinalone-acetonide-implant-for-the-treatment-of-chronic-diabetic-macular-oedema-a-real-world-result-in-the-united-kingdom
#18
F Alfaqawi, P L Lip, S Elsherbiny, R Chavan, A Mitra, B Mushtaq
: PurposeTo report the 12-months visual and anatomical outcomes of chronic diabetic macular oedema (DMO) treated with ILUVIEN in a real-world clinical practice in a single tertiary referral centre.MethodRetrospective data collection and analysis of consecutive 28 eyes of 23 diabetic patients received ILUVIEN implant for refractory DMO. Standard assessment included visual acuity (VA), central retinal thickness (CRT), slit-lamp biomicroscopy, and Goldmann tonometry for intraocular pressure (IOP) at 1, 6, and 12 months...
January 20, 2017: Eye
https://www.readbyqxmd.com/read/28106841/perspective-on-global-measles-epidemiology-and-control-and-the-role-of-novel-vaccination-strategies
#19
REVIEW
Melissa M Coughlin, Andrew S Beck, Bettina Bankamp, Paul A Rota
Measles is a highly contagious, vaccine preventable disease. Measles results in a systemic illness which causes profound immunosuppression often leading to severe complications. In 2010, the World Health Assembly declared that measles can and should be eradicated. Measles has been eliminated in the Region of the Americas, and the remaining five regions of the World Health Organization (WHO) have adopted measles elimination goals. Significant progress has been made through increased global coverage of first and second doses of measles-containing vaccine, leading to a decrease in global incidence of measles, and through improved case based surveillance supported by the WHO Global Measles and Rubella Laboratory Network...
January 19, 2017: Viruses
https://www.readbyqxmd.com/read/28106785/ketamine-analog-methoxetamine-induced-inflammation-and-dysfunction-of-bladder-in-rats
#20
Qiang Wang, Qinghui Wu, Junpeng Wang, Yang Chen, Guihao Zhang, Jiawei Chen, Jie Zhao, Peng Wu
The novel synthetic psychoactive ketamine analog methoxetamine is reportedly being used for recreational purposes. As ketamine use can result in urinary dysfunction, we conducted the present study to investigate how methoxetamine affects the bladder. A cystometry investigation showed that female Sprague-Dawley rats experienced increased micturition frequency bladder dysfunction after receiving a daily intraperitoneal injection of 30 mg/kg methoxetamine or ketamine for periods of 4 or 12 weeks. Histologic examinations of rat bladder tissue revealed damaged urothelium barriers, as well as evidence of inflammatory cell infiltration and matrix deposition...
January 18, 2017: International Journal of Molecular Sciences
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