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https://www.readbyqxmd.com/read/28088783/%C3%AE-asarone-blocks-7%C3%AE-hydroxycholesterol-exposed-macrophage-injury-through-blocking-elf2%C3%AE-phosphorylation-and-prompting-beclin-1-dependent-autophagy
#1
Sin-Hye Park, Min-Kyung Kang, Yean-Jung Choi, Yun-Ho Kim, Lucia Dwi Antika, Dong Yeon Kim, Eun-Jung Lee, Soon Sung Lim, Young-Hee Kang
Macrophage apoptosis is salient in advanced atherosclerotic lesions and is induced by several stimuli including endoplasmic reticulum (ER) stress. This study examined that α-asarone present in purple perilla abrogated macrophage injury caused by oxysterols via ER stress- and autophagy-mediated mechanisms. Nontoxic α-asarone at 1-20 μM attenuated 7β-hydroxycholesterol-induced activation of eukaryotic initiation factor 2α in macrophages leading to C/EBP homologous protein (CHOP) expression and apoptosis due to sustained ER stress...
January 9, 2017: Oncotarget
https://www.readbyqxmd.com/read/28087437/hydrogen-rich-saline-attenuates-hippocampus-endoplasmic-reticulum-stress-after-cardiac-arrest-in-rats
#2
Yu Gao, Qinfang Gui, Li Jin, Pan Yu, Lin Wu, Liangbin Cao, Qiang Wang, Manlin Duan
BACKGROUND: Hydrogen-rich saline can selectively scavenge reactive oxygen species (ROS) and protect brain against ischemia reperfusion (I/R) injury. Endoplasmic reticulum stress (ERS) has been implicated in the pathological process of cerebral ischemia. However, very little is known about the role of hydrogen-rich saline in mediating pathophysiological reactions to ERS after I/R injury caused by cardiac arrest. METHODS: The rats were randomly divided into three groups, sham group (n=30), ischemia/reperfusion group (n=40) and hydrogen-rich saline group (n=40)...
January 10, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28087337/tunicamycin-impairs-olfactory-learning-and-synaptic-plasticity-in-the-olfactory-bulb
#3
Jia Tong, Fumino Okutani, Yoshihiro Murata, Mustuo Taniguchi, Toshiharu Namba, Yu-Jie Wang, Hideto Kaba
Tunicamycin (TM) induces endoplasmic reticulum (ER) stress and inhibits N-glycosylation in cells. ER stress is associated with neuronal death in neurodegenerative disorders, such as Parkinson's disease and Alzheimer's disease, and most patients complain of the impairment of olfactory recognition. Here we examined the effects of TM on aversive olfactory learning and the underlying synaptic plasticity in the main olfactory bulb (MOB). Behavioral experiments demonstrated that the intrabulbar infusion of TM disabled aversive olfactory learning without affecting short-term memory...
January 10, 2017: Neuroscience
https://www.readbyqxmd.com/read/28086967/translation-cross-cultural-adaption-and-measurement-properties-of-the-evidence-based-practice-profile
#4
Kristine Berg Titlestad, Anne Kristin Snibsoer, Hilde Stromme, Monica Wammen Nortvedt, Birgitte Graverholt, Birgitte Espehaug
BACKGROUND: The evidence-based practice profile (EBP(2)) questionnaire assesses students' self-reported knowledge, behaviour and attitudes related to evidence-based practice. The aim of this study was to translate and cross-culturally adapt EBP(2) into Norwegian and to evaluate the reliability, validity and responsiveness of the Norwegian version. METHODS: EBP(2) was translated and cross-culturally adapted using recommended methodology. Face validity and feasibility were evaluated in a pilot on bachelor students and health and social workers (n = 18)...
January 13, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28079974/findings-from-a-pilot-study-bringing-evidence-based-practice-to-the-bedside
#5
Mary Ann Friesen, Joni M Brady, Renee Milligan, Patricia Christensen
BACKGROUND: To translate research supporting inpatient care outcomes and provide evidence-based care, registered nurses (RNs) need continuing education and mentoring support to adopt evidence-based practice (EBP). AIMS: The aim of this study was to assess a demonstration project intended to pilot and evaluate a structured EBP education with mentoring innovation for nurses in a multihospital system. METHODS: Nurses from five units in five hospitals were included in an education with mentoring innovation to implement the Johns Hopkins Nursing Evidence-Based Practice Model and the Advancing Research and Clinical practice through close Collaboration (ARCC) Model...
January 12, 2017: Worldviews on Evidence-based Nursing
https://www.readbyqxmd.com/read/28076586/predictors-of-readiness-for-oral-rapid-hiv-testing-by-chilean-health-care-providers
#6
Lisette P Irarrázabal, Judith A Levy, Kathleen F Norr, Rosina Cianelli, L Michele Issel, Carlos M Pérez, Anna Hotton
Objective: This study identified the personal characteristics that affect Chilean health care providers' readiness to adopt HIV Oral Rapid Testing (ORT) in Chile as a new clinical evidence-based practice (EBP). Methods: Using a cross-sectional research design, the study sampled 150 nurses, midwives, and physicians employed at four clinics within the Pontifícia Universidad Católica de Chile Health Network in Santiago. Participants completed a self-administered survey asking about their demographic background, EBP attitudes and experience, personal beliefs related to HIV, the importance of HIV testing, and perceived self-comfort in performing a rapid HIV test...
November 2016: Revista Panamericana de Salud Pública, Pan American Journal of Public Health
https://www.readbyqxmd.com/read/28070729/inhibiting-autophagy-with-chloroquine-enhances-the-anti-tumor-effect-of-high-let-carbon-ions-via-er-stress-related-apoptosis
#7
Xiaogang Zheng, Xiaodong Jin, Feifei Li, Xiongxiong Liu, Yan Liu, Fei Ye, Ping Li, Ting Zhao, Qiang Li
Energetic carbon ions (CI) offer great advantages over conventional radiations such as X- or γ-rays in cancer radiotherapy. High linear energy transfer (LET) CI can induce both endoplasmic reticulum (ER) stress and autophagy in tumor cells under certain circumstances. The molecular connection between ER stress and autophagy in tumor exposed to high-LET radiation and how these two pathways influence the therapeutic effect against tumor remain poorly understood. In this work, we studied the impact of autophagy and apoptosis induced by ER stress following high-LET CI radiation on the radiosensitivity of S180 cells both in vitro and in vivo...
February 2017: Medical Oncology
https://www.readbyqxmd.com/read/28056067/prevention-of-evisceration-or-enucleation-in-endogenous-bacterial-panophthalmitis-with-no-light-perception-and-scleral-abscess
#8
Kuan-Jen Chen, Yen-Po Chen, An-Ning Chao, Nan-Kai Wang, Wei-Chi Wu, Chi-Chun Lai, Tun-Lu Chen
Panophthalmitis is the most extensive ocular involvement in endophthalmitis with inflammation in periocular tissues. Severe inflammation of the anterior and posterior segments is frequently accompanied by corneal opacity, scleral abscess, and perforation or rupture. Enucleation or evisceration was the only remaining viable treatment option when all options to salvage the eye had been exhausted. The purpose of this retrospective study is to examine the outcomes of patients with endogenous bacterial panophthalmitis, no light perception and scleral abscess who were treated with multiple intravitreal and periocular injections of antibiotics and dexamethasone...
2017: PloS One
https://www.readbyqxmd.com/read/28049100/dietary-overload-lithium-decreases-the-adipogenesis-in-abdominal-adipose-tissue-of-broiler-chickens
#9
Shiping Bai, Shuqin Pan, Keying Zhang, Xuemei Ding, Jianping Wang, Qiufeng Zeng, Yue Xuan, Zuowei Su
To investigate the toxic effects of dietary overload lithium on the adipogenesis in adipose tissue of chicken and the role of hypothalamic neuropeptide Y (NPY) in this process, one-day-old male chicks were fed with the basal diet added with 0 (control) or 100mg lithium/kg diet from lithium chloride (overload lithium) for 35days. Abdominal adipose tissue and hypothalamus were collected at day 6, 14, and 35. As a percentage of body weight, abdominal fat decreased (p<0.001) at day 6, 14, and 35, and feed intake and body weight gain decreased during day 7-14, and day 15-35 in overload lithium treated broilers as compared to control...
December 26, 2016: Environmental Toxicology and Pharmacology
https://www.readbyqxmd.com/read/28042553/remote-ischemic-preconditioning-enhances-the-expression-of-genes-encoding-antioxidant-enzymes-and-endoplasmic-reticulum-stress-related-proteins-in-rat-skeletal-muscle
#10
Ui Jun Park, Hyoung Tae Kim, Won Hyun Cho, Jae Hyoung Park, Hye Ra Jung, Min Young Kim
PURPOSE: Ischemic preconditioning (IPC), including remote IPC (rIPC) and direct IPC (dIPC), is a promising method to decrease ischemia-reperfusion (IR) injury. This study tested the effect of both rIPC and dIPC on the genes for antioxidant enzymes and endoplasmic reticulum (ER) stress-related proteins. MATERIALS AND METHODS: Twenty rats were randomly divided into the control and study groups. In the control group (n=10), the right hind limb was sham-operated. The left hind limb (IscR) of the control group underwent IR injury without IPC...
December 2016: Vascular Specialist International
https://www.readbyqxmd.com/read/28038998/activation-of-ampk-by-berberine-induces-hepatic-lipid-accumulation-by-upregulation-of-fatty-acid-translocase-cd36-in-mice
#11
You-Jin Choi, Kang-Yo Lee, Seung-Hwan Jung, Hyung Sik Kim, Gayong Shim, Mi-Gyeong Kim, Yu-Kyoung Oh, Seon-Hee Oh, Dae Won Jun, Byung-Hoon Lee
Emerging evidence has shown that berberine has a protective effect against metabolic syndrome such as obesity and type II diabetes mellitus by activating AMP-activated protein kinase (AMPK). AMPK induces CD36 trafficking to the sarcolemma for fatty acid uptake and oxidation in contracting muscle. However, little is known about the effects of AMPK on CD36 regulation in the liver. We investigated whether AMPK activation by berberine affects CD36 expression and fatty acid uptake in hepatocytes and whether it is linked to hepatic lipid accumulation...
December 28, 2016: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/28031014/cebp-epigenetic-dysregulation-as-a-drug-target-for-the-treatment-of-hematologic-and-gynecologic-malignancies
#12
Chengming Sun, Ping Duan, Caifu Luan
The CCAAT/enhancer binding proteins (C/EBPs) form a family of transcription factors regulating many genes' expression in a variety of cells/tissues/organs at different developmental stages. With their capability of binding to a loosely defined consensus DNA sequence and through extensive protein-protein interactions, C/EBPs modulate diverse functions including cell differentiation, metabolism, and immune response, under both physiological and pathological conditions such as the establishment of hematological lineages, the maintenance of normal reproductive function, and the development of malignant disease...
December 28, 2016: Current Drug Targets
https://www.readbyqxmd.com/read/28029741/envisaging-the-use-of-ebp-how-nurse-academics-facilitate-ebp-use-in-theory-and-practice-across-australian-undergraduate-programs
#13
Gulzar Malik, Lisa McKenna, Debra Griffiths
AIM: This paper is drawn from a grounded theory study that aimed to investigate processes undertaken by academics when integrating evidence-based practice (EBP) into undergraduate curricula. This paper focuses on how nurse academics facilitated students to apply EBP in theory and practice. BACKGROUND: Facilitating undergraduate nursing students to develop skills within an EBP framework is vital to achieving evidence-based care. Studies on EBP conducted globally suggests that there is a need to investigate approaches used by nurse academics in facilitating students' understanding and use of EBP during their nurse education...
December 28, 2016: Journal of Clinical Nursing
https://www.readbyqxmd.com/read/28027036/fostering-full-implementation-of-evidence-based-practice
#14
Deborah Marr
Evidence-based practice (EBP) is a widely endorsed concept, but many occupational therapy practitioners would like to be more informed and supported in its full implementation. They need information on the evolving definitions and concepts of EBP, encouragement to develop and adopt EBP models that link to occupational therapy's professional values, and methods that translate evidence into answers for clinical questions. This column discusses these needs and makes recommendations to the American Occupational Therapy Association for addressing them...
January 2017: American Journal of Occupational Therapy: Official Publication of the American Occupational Therapy Association
https://www.readbyqxmd.com/read/28025542/impact-of-spinal-manipulation-on-cortical-drive-to-upper-and-lower-limb-muscles
#15
Heidi Haavik, Imran Khan Niazi, Mads Jochumsen, Diane Sherwin, Stanley Flavel, Kemal S Türker
This study investigates whether spinal manipulation leads to changes in motor control by measuring the recruitment pattern of motor units in both an upper and lower limb muscle and to see whether such changes may at least in part occur at the cortical level by recording movement related cortical potential (MRCP) amplitudes. In experiment one, transcranial magnetic stimulation input-output (TMS I/O) curves for an upper limb muscle (abductor pollicus brevis; APB) were recorded, along with F waves before and after either spinal manipulation or a control intervention for the same subjects on two different days...
December 23, 2016: Brain Sciences
https://www.readbyqxmd.com/read/28025459/tgp-attenuates-endoplasmic-reticulum-stress-and-regulates-the-expression-of-thioredoxin-interacting-protein-in-the-kidneys-of-diabetic-rats
#16
Yunxia Shao, Xiangming Qi, Xinxing Xu, Kun Wang, Yonggui Wu, Lingling Xia
Recent evidence suggests that the endoplasmic reticulum stress (ERS)-thioredoxin-interacting protein (TXNIP)-inflammation chain contributes to diabetic renal injury. The aim of the current study was to investigate whether total glucosides of peony (TGP) could inhibit ERS and attenuate up-regulation of TXNIP in the kidneys of rats with streptozotocin-induced diabetes. TGP was orally administered daily at a dose of 50, 100, or 200 mg/kg for 8 weeks. The expression of glucose-regulated protein 78 (GRP78), phospho-protein kinase RNA-like ER kinase (p-PERK), phosphor- eukaryotic translation initiation factor 2α (p-eIF2α), C/EBP-homologous protein (CHOP), and TXNIP was assessed...
December 24, 2016: Bioscience Trends
https://www.readbyqxmd.com/read/28025043/mir-124-contributes-to-m2-polarization-of-microglia-and-confers-brain-inflammatory-protection-via-the-c-ebp-%C3%AE-pathway-in-intracerebral-hemorrhage
#17
Anyong Yu, Tianxi Zhang, Haizhen Duan, Yong Pan, Xiaojun Zhang, Guang Yang, Juan Wang, Yi Deng, Zhao Yang
Microglia mediated inflammation contributes to intracerebral hemorrhage (ICH) induced secondary injury. Activated microglia has dual functions as pro-inflammatory (M1) and anti-inflammatory (M2) factors in brain injury and repair. MiR-124 is a potent anti-inflammatory agent which affects microglia after brain injury. However, the potential of modulating the M1/M2 polarization of microglia after ICH has not been reported. In this experiment, we detected the effect of miR-124 on the M1/M2 polarization state. In addition, the ability miR-124 to subsequently impacted neurological deficit and cerebral water content of ICH mice were studied...
December 23, 2016: Immunology Letters
https://www.readbyqxmd.com/read/28018481/walking-the-tightrope-perspectives-on-local-politicians-role-in-implementing-a-national-social-care-policy-on-evidence-based-practice
#18
A Bäck, C Ståhl, U von Thiele Schwarz, A Richter, H Hasson
BACKGROUND: Despite national policy recommending evidence-based practice (EBP), its application in social care has been limited. While local politicians can affect the process, little is known about their knowledge, attitudes and roles regarding EBP. The aim here is twofold: to explore the role of local politicians in the implementation of EBP in social care from both their own and a management perspective; and to examine factors politicians perceive as affecting their decisions and actions concerning the implementation of EBP policy...
2016: International Journal of Mental Health Systems
https://www.readbyqxmd.com/read/28011933/epigenetic-and-transcriptional-regulation-of-irak-m-expression-in-macrophages
#19
Konstantina Lyroni, Andreas Patsalos, Maria G Daskalaki, Christina Doxaki, Birte Soennichsen, Mike Helms, Ioannis Liapis, Vassiliki Zacharioudaki, Sotirios C Kampranis, Christos Tsatsanis
During macrophage activation, expression of IL-1R-associated kinase (IRAK)-M is induced to suppress TLR-mediated responses and is a hallmark of endotoxin tolerance. Endotoxin tolerance requires tight regulation of genes occurring at the transcriptional and epigenetic levels. To identify novel regulators of IRAK-M, we used RAW 264.7 macrophages and performed a targeted RNA interference screen of genes encoding chromatin-modifying enzymes, signaling molecules, and transcription factors involved in macrophage activation...
December 23, 2016: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28002654/nurses-evidence-based-practice-beliefs-and-the-role-of-evidence-based-practice-mentors-at-university-hospitals-in-finland
#20
Hannele Saunders, Katri Vehviläinen-Julkunen
BACKGROUND: Although systematic implementation of evidence-based practice (EBP) is essential to effectively improve patient outcomes, quality, and value of care, nurses do not consistently use evidence in practice. Uptake is hampered by lack of nurses' readiness for EBP, including nurses' EBP beliefs and lack of EBP mentors. Favorable EBP beliefs are foundational to Registered Nurses' (RNs) use and integration of best evidence into clinical decision making, whereas EBP mentors are in a key role for strengthening RNs' beliefs in the value of EBP and confidence in their ability to implement EBP...
December 21, 2016: Worldviews on Evidence-based Nursing
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