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https://www.readbyqxmd.com/read/27905554/increased-plasma-vegf-levels-following-ischemic-preconditioning-are-associated-with-downregulation-of-mirna-762-and-mir-3072-5p
#1
Koji Ueno, Makoto Samura, Tamami Nakamura, Yuya Tanaka, Yuriko Takeuchi, Daichi Kawamura, Masaya Takahashi, Tohru Hosoyama, Noriyasu Morikage, Kimikazu Hamano
Ischemic preconditioning (IPC) has protective effects against ischemia-perfusion injury of organs. In the present study, we investigated the associated mechanisms after performing remote IPC (rIPC) of lower limbs by clamping abdominal aorta in mice. Subsequent experiments showed decreased damage and paralysis of lower limbs following spinal cord injury (SCI). Concomitantly, plasma vascular endothelial growth factor (VEGF) levels were increased 24 h after rIPC compared with those in sham-operated animals. In subsequent microRNA analyses, thirteen microRNAs were downregulated in exosomes 24 h after rIPC...
December 1, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27903757/beyond-hand-hygiene-a-qualitative-study-of-the-everyday-work-of-preventing-cross-contamination-on-hospital-wards
#2
Su-Yin Hor, Claire Hooker, Rick Iedema, Mary Wyer, Gwendolyn L Gilbert, Christine Jorm, Matthew Vincent Neil O'Sullivan
BACKGROUND: Hospital-acquired infections are the most common adverse event for inpatients worldwide. Efforts to prevent microbial cross-contamination currently focus on hand hygiene and use of personal protective equipment (PPE), with variable success. Better understanding is needed of infection prevention and control (IPC) in routine clinical practice. METHODS: We report on an interventionist video-reflexive ethnography study that explored how healthcare workers performed IPC in three wards in two hospitals in New South Wales, Australia: an intensive care unit and two general surgical wards...
November 30, 2016: BMJ Quality & Safety
https://www.readbyqxmd.com/read/27903221/in-vitro-generated-mesenchymal-stem-cells-suitable-tools-to-target-insulin-dependent-diabetes-mellitus
#3
Shruti D Dave, Patel C N, Patel J V, Thakkar U G
A synergy of a pre-accumulated genes with an autoimmunity advancing to slow abolition of pancreatic beta-cells causes insulin deficiency and results enrooting insulin dependent diabetes mellitus (IDDM). As per WHO data worldwide about 150 million people are diabetic and the number may rise to more than double by the year 2025. Any absolute cure for IDDM is not available yet, and one of the credible advent in the field include cell-based therapy. At this conjecture, mesenchymal stem cells (MSC) seems to have a specific and beneficial characteristics due to their in vivo as well as in vitro potential to mimic a pancreatic endocrine phenotype and immune-regulatory actions...
November 21, 2016: Current Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/27901494/efficacy-of-intermittent-pneumatic-compression-for-venous-thromboembolism-prophylaxis-in-patients-undergoing-gynecologic-surgery-a-systematic-review-and-meta-analysis
#4
Jian-Ping Feng, Yu-Ting Xiong, Zi-Qi Fan, Li-Jie Yan, Jing-Yun Wang, Ze-Juan Gu
We sought to comprehensively assess the efficacy of Intermittent Pneumatic Compression (IPC) in patients undergoing gynecologic surgery. A computerized literature search was conducted in Pubmed, Embase and Cochrane Library databases. Seven randomized controlled trials involving 1001 participants were included. Compared with control, IPC significantly lowered the deep vein thrombosis (DVT) risk [risk ratio (RR) = 0.33, 95% confidence interval (CI): 0.16 - 0.66]. The incidence of DVT in IPC and drugs group was similar (4...
November 25, 2016: Oncotarget
https://www.readbyqxmd.com/read/27898215/randomized-trial-of-pleural-fluid-drainage-frequency-in-patients-with-malignant-pleural-effusions-the-asap-trial
#5
Momen M Wahidi, Chakravarthy Reddy, Lonny Yarmus, David Feller-Kopman, Ali Musani, R Wesley Shepherd, Hans Lee, Rabih Bechara, Carla Lamb, Scott Shofer, Kamran Mahmood, Gaetane Michaud, Jonathan Puchalski, Samaan Rafeq, Stephen M Cattaneo, John Mullon, Steven Leh, Martin Mayse, Samantha M Thomas, Bercedis Peterson, Richard W Light
RATIONALE: Patients with malignant pleural effusions have significant dyspnea and shortened life expectancy. Indwelling pleural catheters (IPC) allow patients to drain pleural fluid at home and can lead to auto-pleurodesis. The optimal drainage frequency to achieve auto-pleurodesis and freedom from catheter has not been determined. OBJECTIVE: To determine whether an aggressive daily drainage strategy is superior to the current standard every other day drainage of pleural fluid in achieving auto-pleurodesis...
November 29, 2016: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/27894810/na-ca-2-exchanger-1-inhibition-abolishes-ischemic-tolerance-induced-by-ischemic-preconditioning-in-different-cardiac-models
#6
Pasqualina Castaldo, Maria Loredana Macrì, Vincenzo Lariccia, Alessandra Matteucci, Marta Maiolino, Santo Gratteri, Salvatore Amoroso, Simona Magi
Ca(2+)-handling disturbances play an important role in the genesis of myocardial ischemia/reperfusion (I/R) injury. Ischemic preconditioning (IPC) is a powerful strategy to induce tolerance against subsequent ischemic episodes. IPC signaling pathways may be triggered by Ca(2+) ion. Since Na(+)/Ca(2+) exchanger 1 (NCX1) participates in modulating intracellular Ca(2+) homeostasis, here we further defined its role in I/R and investigated its potential involvement in IPC-induced cardioprotection. In isolated ventricular cardiomyocytes, perfused rat heart and H9c2 cardiomyoblasts, I/R produceda significant cellinjury, assessed by measuring extracellular lactate dehydrogenase (LDH) and, for the whole heart, also by estimating myocardialinfarct size area...
November 25, 2016: European Journal of Pharmacology
https://www.readbyqxmd.com/read/27881055/patents-in-nanobiotechnology-a-cross-jurisdictional-approach
#7
Padmavati Manchikanti, Shailaja Gnaneshwar, B Ramesh Kumar
BACKGROUND: Bio nanomaterials create new opportunities for advancing medical sciences and diseases treatment in relation to human health care. Innovations in the use of such nanomaterials and nanodevices can lead to significant improvements in the use of drugs/devices. OBJECTIVE: The present study attempts to analyse patenting trends in different areas and compare the patentability criteria and the disclosure norms for nanobiotechnology inventions in countries such as US, EU and India in the field of diagnostics and therapeutics...
November 22, 2016: Recent Patents on Biotechnology
https://www.readbyqxmd.com/read/27878167/gradient-doping-a-case-study-with-ti-fe2o3-towards-an-improved-photoelectrochemical-response
#8
Anupam Srivastav, Anuradha Verma, Anamika Banerjee, Saif A Khan, Mukul Gupta, Vibha Rani Satsangi, Rohit Shrivastav, Sahab Dass
The present study investigates the effect of gradient doping on modifying the photoelectrochemical response of Ti-doped Fe2O3 photoanodes for their use in sunlight based water splitting for hydrogen evolution. The deposition of a thin film over the ITO (tin doped indium oxide) substrate was carried out using a spray pyrolysis method. The concentration of dopant was varied from 0.5-8.0 at% and two sets of samples were also prepared with low to high (0.5-8%) and high to low (8-0.5%) dopant concentrations in the direction towards the substrate...
November 23, 2016: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/27876163/process-control-charts-in-infection-prevention-make-it-simple-to-make-it-happen
#9
Timothy L Wiemken, Stephen P Furmanek, Ruth M Carrico, William A Mattingly, Annuradha K Persaud, Brian E Guinn, Robert R Kelley, Julio A Ramirez
BACKGROUND: Quality improvement is central to Infection Prevention and Control (IPC) programs. Challenges may occur when applying quality improvement methodologies like process control charts, often due to the limited exposure of typical IPs. Because of this, our team created an open-source database with a process control chart generator for IPC programs. The objectives of this report are to outline the development of the application and demonstrate application using simulated data. METHODS: We used Research Electronic Data Capture (REDCap Consortium, Vanderbilt University, Nashville, TN), R (R Foundation for Statistical Computing, Vienna, Austria), and R Studio Shiny (R Foundation for Statistical Computing) to create an open source data collection system with automated process control chart generation...
November 18, 2016: American Journal of Infection Control
https://www.readbyqxmd.com/read/27865327/indwelling-pleural-catheters-a-clinical-option-in-trapped-lung
#10
REVIEW
Luca Bertolaccini, Andrea Viti, Simona Paiano, Carlo Pomari, Luca Rosario Assante, Alberto Terzi
Malignant pleural effusion (MPE) symptoms have a real impact on quality of life. Surgical approach through video-assisted thoracic surgery provides a first step in palliation. In patients unfit for general anesthesia, awake pleuroscopy represents an alternative. Sclerosing agents can be administered at the bedside through a chest tube. Ideal treatment of MPE should include adequate long-term symptom relief, minimize hospitalization, and reduce adverse effects. Indwelling pleural catheter (IPC) allows outpatient management of MPE through periodic ambulatory fluid drainage...
February 2017: Thoracic Surgery Clinics
https://www.readbyqxmd.com/read/27853511/molecular-docking-and-molecular-dynamics-simulation-study-of-inositol-phosphorylceramide-synthase-inhibitor-complex-in-leishmaniasis-insight-into-the-structure-based-drug-design
#11
Vineetha Mandlik, Shailza Singh
Inositol phosphorylceramide synthase (IPCS) has emerged as an important, interesting and attractive target in the sphingolipid metabolism of Leishmania. IPCS catalyzes the conversion of ceramide to IPC which forms the most predominant sphingolipid in Leishmania. IPCS has no mammalian equivalent and also plays an important role in maintaining the infectivity and viability of the parasite. The present study explores the possibility of targeting IPCS; development of suitable inhibitors for the same would serve as a treatment strategy for the infectious disease leishmaniasis...
2016: F1000Research
https://www.readbyqxmd.com/read/27853140/spatially-precise-visual-gain-control-mediated-by-a-cholinergic-circuit-in-the-midbrain-attention-network
#12
Ali Asadollahi, Eric I Knudsen
A primary function of the midbrain stimulus selection network is to compute the highest-priority location for attention and gaze. Here we report the contribution of a specific cholinergic circuit to this computation. We functionally disconnected the tegmental cholinergic nucleus isthmi pars parvocellularis (Ipc) from the optic tectum (OT) in barn owls by reversibly blocking excitatory transmission in the Ipc. Focal blockade in the Ipc decreases the gain and spatial discrimination of OT units specifically for the locations represented by the visual receptive fields (VRFs) of the disconnected Ipc units, and causes OT VRFs to shift away from that location...
November 17, 2016: Nature Communications
https://www.readbyqxmd.com/read/27852058/ischemic-preconditioning-attenuates-ischemia-reperfusion-injury-in-rat-steatotic-liver-role-of-heme-oxygenase-1-mediated-autophagy
#13
Anding Liu, Enshuang Guo, Jiankun Yang, Renlong Li, Yan Yang, Shenpei Liu, Jifa Hu, Xiaojing Jiang, Olaf Dirsch, Uta Dahmen, Jian Sun, Mingwen Ouyang
Steatotic livers are more susceptible to ischemia/reperfusion (I/R) injury, which is ameliorated by ischemic preconditioning (IPC). Autophagy possesses protective action on liver I/R injury and declines in steatotic livers. The aim of this study was to test the hypothesis that the increased susceptibility of steatotic livers to I/R injury was associated with defective hepatic autophagy, which could be restored by IPC via heme oxygenase-1 (HO-1) signaling. Obesity and hepatic steatosis was induced using a high fat diet...
November 10, 2016: Oncotarget
https://www.readbyqxmd.com/read/27848069/adenosine-receptors-regulatory-players-in-the-preservation-of-mitochondrial-function-induced-by-ischemic-preconditioning-of-rat-liver
#14
Filipe V Duarte, João A Amorim, Ana T Varela, João S Teodoro, Ana P Gomes, Rodrigo A Cunha, Carlos M Palmeira, Anabela P Rolo
Although adenosine A1 receptors (A1R) have been associated to ischemic preconditioning (IPC), direct evidence for their ability to preserve mitochondrial function upon hepatic preconditioning is still missing and could represent a novel strategy to boost the quality of liver transplants. We tested if the A1R antagonist 8-cyclopentyl-1,3-dipropylxanthine (DPCPX) prevented IPC in the liver and if the A1R agonist 2-chloro-N(6)-cyclopentyladenosine (CCPA) might afford a pharmacological preconditioning. Livers underwent a 120 min of 70% warm ischemia and 16 h of reperfusion (I/R), and the IPC group underwent a 5-min ischemic episode followed by a 10-min period of reperfusion before I/R...
November 15, 2016: Purinergic Signalling
https://www.readbyqxmd.com/read/27845052/the-management-of-benign-pleural-effusions-using-indwelling-pleural-catheters-a-systematic-review-and-meta-analysis
#15
Monali Patil, Samjot Singh Dhillon, Kristopher Attwood, Marwan Saoud, Abdul H Alraiyes, Kassem Harris
INTRODUCTION: Indwelling pleural catheter (IPC), which was initially introduced for the management of recurrent malignant effusions, could be a valuable management option for recurrent benign pleural effusions (BPE) in place of chemical pleurodesis. The purpose of this study is to analyze the efficacy and safety of IPC in the management of refractory non-malignant effusions. METHODS: We conducted a systematic review and meta-analysis on the published literature...
November 11, 2016: Chest
https://www.readbyqxmd.com/read/27837380/nedd4-1-protects-against-ischaemia-reperfusion-induced-cardiomyocyte-apoptosis-via-the-pi3k-akt-pathway
#16
Wei Hu, Peng Zhang, Jun Gu, Qiang Yu, Dadong Zhang
Activation of the Akt pathway has been shown to protect the heart from ischaemia/reperfusion (I/R) injury. NEDD4-1 has been shown to positively regulate nuclear trafficking of the activated form of Akt. However, the role of NEDD4-1 in cardiac I/R injury remains to be elucidated. In the present study, Lentiviral vectors were constructed to overexpress or knockdown NEDD4-1 in H9c2 cardiomyocytes subjected to I/R injury or ischemic preconditioning (IPC). The results indicated that NEDD4-1 levels were decreased after I/R and increased after IPC in rat heart tissue and in H9c2 cardiomyocytes...
November 11, 2016: Apoptosis: An International Journal on Programmed Cell Death
https://www.readbyqxmd.com/read/27833799/ischemic-postconditioning-and-pinacidil-suppress-calcium-overload-in-anoxia-reoxygenation-cardiomyocytes-via-down-regulation-of-the-calcium-sensing-receptor
#17
Lin Zhang, Song Cao, Shengli Deng, Gang Yao, Tian Yu
Ischemic postconditioning (IPC) and ATP sensitive potassium channel (KATP) agonists (e.g. pinacidil and diazoxide) postconditioning are effective methods to defeat myocardial ischemia-reperfusion (I/R) injury, but their specific mechanisms of reducing I/R injury are not fully understood. We observed an intracellular free calcium ([Ca(2+)]i) overload in Anoxia/reoxygenation (A/R) cardiomyocytes, which can be reversed by KATP agonists diazoxide or pinacidil. The calcium-sensing receptor (CaSR) regulates intracellular calcium homeostasis...
2016: PeerJ
https://www.readbyqxmd.com/read/27832626/ischemic-postconditioning-regulated-mir-499-protects-the-rat-heart-against-ischemia-reperfusion-injury-by-inhibiting-apoptosis-through-pdcd4
#18
Jianbing Zhu, Kang Yao, Qian Wang, Junjie Guo, Hongtao Shi, Leilei Ma, Haibo Liu, Wei Gao, Yunzeng Zou, Junbo Ge
BACKGROUND: Here, we determined miR-499 involvement in the protective effect of ischemic postconditioning (IPC) against myocardial ischemia/reperfusion (I/R) injury and identified the underlying mechanisms. METHODS: To investigate the cardioprotective effect of IPC-induced miR-499, rats were divided into the following five groups: sham, I/R, IPC, IPC + scramble, and IPC + antagomiR-499. Hemodynamic indexes were measured by carotid-artery intubation to assess left ventricular function ...
2016: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/27828883/effective-leadership-and-management-of-an-acs-injury-prevention-program-current-opinions-and-perspectives-from-where-the-rubber-meets-the-road
#19
Elizabeth S Wolfe, Elizabeth A Bryant
The American College of Surgeons (ACS) mandates that each verified trauma center must have an injury prevention coordinator (IPC); however, Chapter 18 in the Resources for Optimal Care of the Injured Patient (2014) provides minimal information on how to effectively lead or manage an injury prevention (IP) program. This opinion article addresses 3 fundamental components of an effective IP program: (1) construction of an innovative vision of IP programming using current technology; (2) intentional investment and involvement; and (3) stakeholder leadership, engagement, and sustainability...
November 2016: Journal of Trauma Nursing: the Official Journal of the Society of Trauma Nurses
https://www.readbyqxmd.com/read/27828601/remote-ischemic-preconditioning-and-tacrolimus-in-the-fetal-small-bowel-transplant-in-mice
#20
Ricardo José Morello, Marcia Kiyomi Koike, Marcos de Souza Abrahão, Karen Ruggeri Saad, Paulo Fernandes Saad, Edna Frasson de Souza Montero
PURPOSE: To evaluate the effect of remote ischemic preconditioning (IPC-R) in the fetal small bowel transplantation model. METHODS: Two groups were constituted: The Isogenic transplant (ISO, C57BL/6 mice, n=24) and the allogenic transplant (ALO, BALB/c mice, n=24). In each group, the animals were distributed with and without IPC-R. It was obtained the following subgroups: Tx, IPC-R, Fk, IPC-Fk, in both strains. Intestinal grafts were stained with hematoxylin and eosin and immunohistochemically...
October 2016: Acta Cirúrgica Brasileira
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