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https://www.readbyqxmd.com/read/28531813/immunomodulatory-function-of-whole-human-umbilical-cord-derived-mesenchymal-stem-cells
#1
Hao Zhang, Yanling Tao, Haihui Liu, Saisai Ren, Bin Zhang, Hu Chen
Bone marrow derived mesenchymal stem cells (MSCs) play a critical role in immune modulation. However, immunomodulatory function of whole human umbilical cord derived mesenchymal stem cells (UC-MSCs) remains unclear. In this study, UC-MSCs were separated from whole umbilical cord using a single enzyme digestion. UC-MSCs (CD73(+), CD90(+), CD105(+), and CD34(-), CD45(-), HLA-DR(-)) were differentiated into adipocytes, osteocytes and chondrocytes in vitro under specific stimulatory environments. UC-MSCs suppressed umbilical cord blood lymphocyte proliferation stimulated by mitogen, and ELISA showed that the secretion of INF-γ was downregulated, and the secretion of IL-4 was upregulated, with CD8(+) T cells markedly decreased and CD4(+) T cells changed lightly...
May 19, 2017: Molecular Immunology
https://www.readbyqxmd.com/read/28530135/prolonged-expression-of-secreted-enzymes-in-dogs-after-liver-directed-delivery-of-i-sleeping-beauty-i-transposons-implications-for-non-viral-gene-therapy-of-systemic-disease
#2
Elena L Aronovich, Kendra Anne Hyland, Bryan C Hall, Jason B Bell, Erik R Olson, Myra Urness Rusten, David W Hunter, N Matthew Ellinwood, R Scott McIvor, Perry B Hackett
The non-viral, integrating Sleeping Beauty (SB) transposon system is efficient in treating systemic monogenic disease in mice including hemophilias A and B caused by deficiency of blood clotting factors and mucopolysaccharidosis (MPS) types I and VII caused by α-L-iduronidase (IDUA) and β-glucuronidase (GUSB) deficiency, respectively. We recently reported modified approaches of the hydrodynamics-based procedure to deliver transposons to the liver in dogs. Using the transgenic canine reporter secreted alkaline phosphatase (cSEAP), we demonstrated transgenic protein in the plasma for up to six weeks post-infusion...
May 20, 2017: Human Gene Therapy
https://www.readbyqxmd.com/read/28504476/thirty-years-of-interferon-tau-research-past-present-and-future-perspective
#3
REVIEW
Kazuhiko Imakawa, Rulan Bai, Keigo Nakamura, Kazuya Kusama
The year 2017 marks the 30th year since the discovery was made of amino acid and complementary DNA sequences of ovine trophoblast protein-1 (oTP-1), later renamed as interferon-tau (IFNτ). Ovine TP-1 was originally found as a secretory product of sheep conceptuses that rescues maternal corpus luteum (CL) and in fact, the uterine infusion of oTP-1 extended inter-estrous intervals. Finding this signaling molecule as an IFN-like sequence was surprising to the scientific community in reproduction because a homologous molecule in humans possesses anti-viral and anti-prolific activity and is often used in human medicines...
May 15, 2017: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/28490030/cognitive-behavior-therapy-may-sustain-antidepressant-effects-of-intravenous-ketamine-in-treatment-resistant-depression
#4
Samuel T Wilkinson, DaShaun Wright, Madonna K Fasula, Lisa Fenton, Matthew Griepp, Robert B Ostroff, Gerard Sanacora
INTRODUCTION: Ketamine has shown rapid though short-lived antidepressant effects. The possibility of concerning neurobiological changes following repeated exposure to the drug motivates the development of strategies that obviate or minimize the need for longer-term treatment with ketamine. In this open-label trial, we investigated whether cognitive behavioral therapy (CBT) can sustain or extend ketamine's antidepressant effects. METHODS: Patients who were pursuing ketamine infusion therapy for treatment-resistant depression were invited to participate in the study...
2017: Psychotherapy and Psychosomatics
https://www.readbyqxmd.com/read/28489305/prolonged-survival-following-pig-to-primate-liver-xenotransplantation-utilizing-exogenous-coagulation-factors-and-co-stimulation-blockade
#5
J A Shah, M S Patel, N Elias, N Navarro-Alvarez, I Rosales, R A Wilkinson, N J Louras, M Hertl, J A Fishman, R B Colvin, A B Cosimi, J F Markmann, D H Sachs, P A Vagefi
Since the first attempt in 1968, survival following pig-to-primate liver xenotransplantation (LXT) has been limited. We evaluated a model utilizing α-1,3-galactosyltransferase knockout donors, continuous post-transplant infusion of human prothrombin concentrate complex and immunosuppression including anti-thymocyte globulin, FK-506, methylprednisone and co-stimulation blockade (belatacept, n=3 or anti-CD40mAb, n=1) to extend survival. Baboon #1 remained well until POD25 when euthanasia was required due to cholestasis and plantar ulcers...
May 10, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/28470862/first-report-on-the-safety-and-efficacy-of-an-extended-half-life-glycopegylated-recombinant-fviii-for-major-surgery-in-severe-haemophilia-a
#6
K Hampton, P Chowdary, S Dunkley, S Ehrenforth, L Jacobsen, A Neff, E Santagostino, J Sathar, H Takedani, C M Takemoto, C Négrier
BACKGROUND: N8-GP (turoctocog alfa pegol) is an extended half-life glycoPEGylated recombinant factor VIII (FVIII) product developed for the prevention and treatment of bleeds in haemophilia A patients. AIM: This is a planned interim analysis of pathfinder™3, an international, open-label, Phase 3 trial evaluating the efficacy and safety (including immunogenicity) of N8-GP administered before, during and after major surgery in severe haemophilia A patients aged ≥12 years...
May 4, 2017: Haemophilia: the Official Journal of the World Federation of Hemophilia
https://www.readbyqxmd.com/read/28439137/compatibility-of-ceftazidime-avibactam-ceftolozane-tazobactam-and-piperacillin-tazobactam-with-vancomycin-in-dextrose-5-in-water
#7
Kevin Meyer, Maressa Santarossa, Larry H Danziger, Eric Wenzler
Objectives: The compatibility of vancomycin with existing and novel β-lactam/β-lactamase inhibitors at clinically relevant concentrations in 5% dextrose in water has not been fully explored to date. Methods: Vancomycin concentrations tested ranged from 5 to 20 mg/mL. Ceftazidime-avibactam was tested at 8, 20, and 40 mg/mL, ceftolozane-tazobactam at 15 mg/mL, and piperacillin-tazobactam at 28 mg/mL. Compatibility of drug admixtures were tested via both simulated and actual y-site infusion. For the simulated y-site compatibility assessment, 1:1 mixtures of each respective drug were analyzed over 24 hours...
March 2017: Hospital Pharmacy
https://www.readbyqxmd.com/read/28436705/pharmacologically-increasing-collateral-perfusion-during-acute-stroke-using-a-carboxyhemoglobin-gas-transfer-agent-sanguinate%C3%A2-in-spontaneously-hypertensive-rats
#8
Marilyn J Cipolla, Italo Linfante, Abe Abuchowski, Ronald Jubin, Siu-Lung Chan
Similar to patients with chronic hypertension, spontaneously hypertensive rats (SHR) develop fast core progression during middle cerebral artery occlusion (MCAO) resulting in large final infarct volumes. We investigated the effect of Sanguinate™ (SG), a PEGylated carboxyhemoglobin (COHb) gas transfer agent, on changes in collateral and reperfusion cerebral blood flow and brain injury in SHR during 2 h of MCAO. SG (8 mL/kg) or vehicle ( n = 6-8/group) was infused i.v. after 30 or 90 min of ischemia with 2 h reperfusion...
January 1, 2017: Journal of Cerebral Blood Flow and Metabolism
https://www.readbyqxmd.com/read/28434702/inhibition-or-deletion-of-angiotensin-ii-type-1-receptor-suppresses-elastase-induced-experimental-abdominal-aortic-aneurysms
#9
Haojun Xuan, Baohui Xu, Wei Wang, Hiroki Tanaka, Naoki Fujimura, Masaaki Miyata, Sara A Michie, Ronald L Dalman
OBJECTIVE: Angiotensin (Ang) II type 1 receptor (AT1) activation is essential for the development of exogenous Ang II-induced abdominal aortic aneurysms (AAAs) in hyperlipidemic animals. Experimental data derived from this modeling system, however, provide limited insight into the role of endogenous Ang II in aneurysm pathogenesis. Consequently, the potential translational value of AT1 inhibition in clinical AAA disease management remains incompletely understood on the basis of the existing literature...
April 20, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28432265/artemida-trial-a-randomized-trial-of-efficacy-12-months-international-double-blind-actovegin-a-randomized-controlled-trial-to-assess-the-efficacy-of-actovegin-in-poststroke-cognitive-impairment
#10
Alla Guekht, Ingmar Skoog, Sally Edmundson, Vladimir Zakharov, Amos D Korczyn
BACKGROUND AND PURPOSE: Poststroke cognitive impairment is a debilitating consequence of stroke. The aim of this study was to assess whether Actovegin confers cognitive benefit in patients who have had an ischemic stroke. METHODS: This was a 12-month, parallel-group, randomized, multicenter, double-blind, placebo-controlled study. Eligible patients were ≥60 years of age with a Montreal Cognitive Assessment test score of ≤25 points. Patients were randomized into 2 groups within 1 week of acute supratentorial ischemic stroke in a 1:1 ratio: Actovegin (a deproteinized hemoderivative of calf blood, 2000 mg/d for ≤20 intravenous infusions followed by 1200 mg/d orally) or placebo for 6 months...
May 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28418846/drug-carrying-microbubbles-as-a-theranostic-tool-in-convection-enhanced-delivery-for-brain-tumor-therapy
#11
Pin-Yuan Chen, Chih-Kuang Yeh, Po-Hung Hsu, Chung-Yin Lin, Chiung-Yin Huang, Kuo-Chen Wei, Hao-Li Liu
Convection-enhanced delivery (CED) is a promising technique for infusing a therapeutic agent through a catheter with a pressure gradient to create bulk flow for improving drug spread into the brain. So far, gadopentetate dimeglumine (Gd-DTPA) is the most commonly applied surrogate agent for predicting drug distribution through magnetic resonance imaging (MRI). However, Gd-DTPA provides only a short observation duration, and concurrent infusion provides an indirect measure of the exact drug distribution. In this study, we propose using microbubbles as a contrast agent for MRI monitoring, and evaluate their use as a drug-carrying vehicle to directly monitor the infused drug...
March 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28413125/transient-dysautonomia-in-an-acute-phase-of-encephalopathy-with-biphasic-seizures-and-late-reduced-diffusion
#12
Yuko Ichimiya, Noriyuki Kaku, Yasunari Sakai, Fumiya Yamashita, Wakato Matsuoka, Mamoru Muraoka, Satoshi Akamine, Soichi Mizuguchi, Michiko Torio, Yoshitomo Motomura, Yuichiro Hirata, Yoshito Ishizaki, Masafumi Sanefuji, Hiroyuki Torisu, Hidetoshi Takada, Yoshihiko Maehara, Shouichi Ohga
Paroxysmal sympathetic hyperactivity (PSH) is a dysautonomic condition that is associated with various types of acquired brain injuries. Traumatic brain lesions have been documented as the leading cause of PSH. However, detailed clinical features of pediatric PSH caused by intrinsic brain lesions remain to be elusive. We present a 3-year-old boy, who had been diagnosed as having cerebral palsy, developmental delay and epilepsy after perinatal hypoxia-induced brain injury. He developed status epilepticus with fever on the third day of respiratory infection...
April 13, 2017: Brain & Development
https://www.readbyqxmd.com/read/28411153/antagonism-of-muscarinic-acetylcholine-receptors-in-medial-prefrontal-cortex-disrupts-the-context-preexposure-facilitation-effect
#13
P A Robinson-Drummer, N A Heroux, M E Stanton
Cholinergic function plays a role in a variant of context fear conditioning known as the context preexposure facilitation effect (CPFE; Robinson-Drummer, Dokovna, Heroux, & Stanton, 2016). In the CPFE, acquisition of a context representation, the context-shock association, and expression of context fear occur across successive phases, usually 24h apart. Systemic administration of scopolamine, a muscarinic acetylcholine receptor antagonist, prior to each phase (context preexposure, immediate-shock training, and testing) disrupts the CPFE in juvenile rats (Robinson-Drummer et al...
April 11, 2017: Neurobiology of Learning and Memory
https://www.readbyqxmd.com/read/28407406/phenobarbital-in-intensive-care-unit-pediatric-population-predictive-performances-of-population-pharmacokinetic-model
#14
Amélie Marsot, Fabrice Michel, Estelle Chasseloup, Olivier Paut, Romain Guilhaumou, Olivier Blin
An external evaluation of phenobarbital population pharmacokinetic model described by Marsot et al. was performed in pediatric intensive care unit. Model evaluation is an important issue for dose adjustment. This external evaluation should allow confirming the proposed dosage adaptation and extending these recommendations to the entire intensive care pediatric population. External evaluation of phenobarbital published population pharmacokinetic model of Marsot et al. was realized in a new retrospective dataset of 35 patients hospitalized in a pediatric intensive care unit...
April 13, 2017: Fundamental & Clinical Pharmacology
https://www.readbyqxmd.com/read/28401597/unidirectional-wetting-properties-on-multi-bioinspired-magnetocontrollable-slippery-microcilia
#15
Moyuan Cao, Xu Jin, Yun Peng, Cunming Yu, Kan Li, Kesong Liu, Lei Jiang
Here, a smart fluid-controlled surface is designed, via the rational integration of the unique properties of three natural examples, i.e., the unidirectional wetting behaviors of butterfly's wing, liquid-infused "slippery" surface of the pitcher plant, and the motile microcilia of micro-organisms. Anisotropic wettability, lubricated surfaces, and magnetoresponsive microstructures are assembled into one unified system. The as-prepared surface covered by tilted microcilia achieves significant unidirectional droplet adhesion and sliding...
April 12, 2017: Advanced Materials
https://www.readbyqxmd.com/read/28396128/perioperative-analgesic-profile-of-dexmedetomidine-infusions-in-morbidly-obese-undergoing-bariatric-surgery-a-meta-analysis-and-trial-sequential-analysis
#16
Preet Mohinder Singh, Rajesh Panwar, Anuradha Borle, Jan P Mulier, Ashish Sinha, Basavana Goudra
BACKGROUND: Opioid-sparing analgesia for bariatric surgery in morbidly obese can potentially prevent catastrophic airway complications. Our meta-analysis attempts to consolidate the evidence on dexmedetomidine evaluating its analgesic and safety profile. METHODS: Trails comparing perioperative dexmedetomidine infusion to conventional analgesic regimens for bariatric surgery were searched. Comparisons were made for 24-hour and postanesthesia care unit (PACU) morphine consumed, PACU pain scores, postoperative nausea and vomiting pain scores, and heartrate...
March 10, 2017: Surgery for Obesity and related Diseases: Official Journal of the American Society for Bariatric Surgery
https://www.readbyqxmd.com/read/28385575/intersecting-worlds-of-transfusion-and-transplantation-medicine-an-international-symposium-organized-by-the-canadian-blood-services-centre-for-innovation
#17
REVIEW
Kendra M Hodgkinson, Jeffrey Kiernan, Andrew W Shih, Ziad Solh, William P Sheffield, Nicolas Pineault
The principal theme of the symposium was centered on how the world of regenerative medicine intersects with that of transfusion medicine, with a particular focus on hematopoietic stem cells (HSCs) and stem cell therapies. The symposium highlighted several exciting developments and identified areas where additional research is needed. A revised map of human hematopoietic hierarchy was presented based on the functional and phenotypic analysis of thousands of single stem and progenitor cells from adult bone marrow and fetal liver...
March 22, 2017: Transfusion Medicine Reviews
https://www.readbyqxmd.com/read/28381818/dronedarone-attenuates-the-duration-of-atrial-fibrillation-in-a-dog-model-of-sustained-atrial-fibrillation
#18
Nakkawee Saengklub, Vudhiporn Limprasutr, Suwanakiet Sawangkoon, Robert L Hamlin, Anusak Kijtawornrat
Atrial fibrillation (AF) is a supraventricular arrhythmia that leads to a decrease in cardiac output and impairs cardiac function and quality of life. Dronedarone has an atrial-selective property and has been used for management of AF in humans, but limited information is available in dogs. This study was designed to evaluate efficacy of dronedarone in attenuating the duration of AF in dog model of sustained AF. Six beagle dogs were anesthetized with isoflurane and instrumented to measure atrial action potential duration (aAPD) and atrial effective refractory period (AERP)...
April 4, 2017: Experimental Animals
https://www.readbyqxmd.com/read/28372687/pharmacokinetics-and-pharmacodynamics-of-cisatracurium-in-patients-undergoing-surgery-with-two-hemodilution-methods
#19
Jianrong Guo, Xiaohong Yuan, Xiaofang Zhou, Xiaoju Jin
OBJECTIVE: To investigate the pharmacokinetics and pharmacodynamics of cisatracurium in patients undergoing surgery under acute normovolemic hemodilution (ANH) and acute hypervolemic hemodilution (AHH). METHODS: Ninety patients with orthopedic surgery were divided into ANH, AHH and control groups, which received hemodilution by hydroxyethyl starch 130/0.4 transfusion, Voluven transfusion and regular transfusion and infusion during surgery, respectively. Each group was divided into 3 sub-groups, administrated with cisatracurium at dosage of 0...
May 2017: Journal of Clinical Anesthesia
https://www.readbyqxmd.com/read/28366865/glucocorticoid-administration-into-the-dorsolateral-but-not-dorsomedial-striatum-accelerates-the-shift-from-a-spatial-toward-procedural-memory
#20
Cristina Siller-Pérez, Norma Serafín, Roberto A Prado-Alcalá, Benno Roozendaal, Gina L Quirarte
Glucocorticoid stress hormones are known to enhance the consolidation of hippocampus-dependent spatial and contextual memory. Recent findings indicate that glucocorticoids also enhance the consolidation of procedural memory that relies on the dorsal striatum. The dorsal striatum can be functionally subdivided into the dorsolateral striatum (DLS), which is primarily implicated in shaping procedural memories, and the dorsomedial striatum (DMS), which is engaged in spatial memory. Here, we investigated the hypothesis that posttraining glucocorticoid administration into the DLS promotes the formation of a procedural memory that will normally take place only with extensive training...
March 30, 2017: Neurobiology of Learning and Memory
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