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https://www.readbyqxmd.com/read/28441858/-development-of-an-eosinophilic-bronchitis-mouse-model-and-the-effects-of-eosinophil-activation-on-airway-hyperresponsiveness-in-eosinophilic-bronchitis-mice
#1
L Li, J T Lin
Objective: To develop a mouse model of eosinophilic bronchitis, and explore the effects of eosinophil activation on airway hyperresponsiveness. Methods: A total of 60 female specific pathogen free BALB/c female mice were divided randomly into four groups: polymyxin B group, normal saline group, polymyxin B+ N-methionine leucine phenylalanine (fMLP) group, normal saline+ fMLP group. All the groups were given corresponding nasal drops for 21 days. The former two groups were given 12 μl 0.5% polymyxin B or normal saline once a day by transnasal administration respectively...
April 25, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28441841/-an-experiment-control-study-on-the-ovarian-reserve-function-after-cisplatin-intraperitoneal-or-intravenous-chemotherapy-in-rats-model
#2
B Z Fan, H Xia, L Chu, X W Tong
Objective: To compare the impact on the ovarian reserve function after cisplatin intraperitoneal or intravenous chemotherapy in rats model. Methods: Thirty 8-weeks old female Sprague Dawley rats were randomly assigned to control group (group A, n=10), intraperitoneal chemotherapy group (group B, n=10) and intravenous chemotherapy group (group C, n=10). Cisplatin was diluted by normal saline (NS) into 4 mg/ml. On the first day of chemotherapy, 0.2 ml cisplatin dilution was injected into the abdomen of rats in group B, isodose cisplatin was injected into vein and 1...
April 25, 2017: Zhonghua Fu Chan Ke za Zhi
https://www.readbyqxmd.com/read/28441796/role-of-dietary-crocin-in-in-vivo-melanoma-tumor-remission
#3
Hamid A Bakshi, Faruck Lukmanul Hakkim, Smitha Sam, Farideh Javid
Background: Melanoma is a deadly form of malignancy. Early diagnosis might pave the way to cure but its aggressive nature leads to rapid dissemination and colonization of distant organs. Dietary herbs may play a significant role in prevention of cancer. In this study, we tested anti-tumor efficacy of the Crocus sativus derived active constituent crocin, well established to have anti-cancer properties in different cancer models by our group and other groups and other groups. Notably, crocin is reported to exert anti-proliferative effect on melanoma cells (B16F10) in vitro...
March 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28441653/effect-of-topical-iloprost-and-nitroglycerin-on-gastric-microcirculation-and-barrier-function-during-hemorrhagic-shock-in-dogs
#4
Richard Truse, Jonas Hinterberg, Jan Schulz, Anna Herminghaus, Andreas Weber, Tabea Mettler-Altmann, Inge Bauer, Olaf Picker, Christian Vollmer
BACKGROUND: Topical drug application is used to avoid systemic side effects. The aim of this study was to analyze whether locally applied iloprost or nitroglycerin influence gastric mucosal perfusion, oxygenation, and barrier function during physiological and hemorrhagic conditions. METHODS: In repeated experiments, 5 anesthetized dogs received iloprost, nitroglycerin, or normal saline during physiological and hemorrhagic (-20% blood volume) conditions. Macro- and microcirculatory variables were recorded continuously...
April 26, 2017: Journal of Vascular Research
https://www.readbyqxmd.com/read/28441068/a-controlled-randomized-double-blind-study-to-evaluate-the-safety-and-efficacy-of-chitosan-n-acetylcysteine-for-the-treatment-of-dry-eye-syndrome
#5
Doreen Schmidl, René Werkmeister, Semira Kaya, Angelika Unterhuber, Katarzyna J Witkowska, Renate Baumgartner, Sonja Höller, Maria O'Rourke, Ward Peterson, Annika Wolter, Martin Prinz, Leopold Schmetterer, Gerhard Garhöfer
PURPOSE: This study was designed to evaluate the effect of chitosan-N-acetylcysteine (C-NAC) eye drops on tear film thickness (TFT) in patients with dry eye syndrome (DES). METHODS: This was a controlled, randomized, double-blind clinical investigation with patients assigned to 2 cohorts. In Cohort I, 21 patients were randomized to receive 1 instillation of C-NAC eye drops in 1 eye and placebo (normal saline solution) in the contralateral eye. In Cohort II, 17 patients were randomized to receive C-NAC eye drops once (QD) or twice (BID) daily for 5 days...
April 25, 2017: Journal of Ocular Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28441056/evaluation-of-gastric-emptying-time-gastrointestinal-transit-time-sedation-score-and-nausea-score-associated-with-intravenous-constant-rate-infusion-of-lidocaine-hydrochloride-in-clinically-normal-dogs
#6
Rebecca A Johnson, Katharine R Kierski, Brian G Jones
OBJECTIVE To quantify nausea and sedation scores, gastric emptying time, and gastrointestinal transit time after IV administration of a lidocaine hydrochloride bolus followed by a constant rate infusion (CRI) in clinically normal dogs. ANIMALS 6 Beagles. PROCEDURES In a crossover study, dogs were fed thirty 1.5-mm barium-impregnated spheres (BIPS) and received a saline (0.9% NaCl) solution bolus (0.05 mL/kg) IV (time 0) followed by a CRI at 10 mL/h, a lidocaine bolus (1 mg/kg) IV followed by a CRI at 25 μg/kg/min, or a lidocaine bolus (1 mg/kg) IV followed by a CRI at 50 μg/kg/min; CRIs were for 12 hours...
May 2017: American Journal of Veterinary Research
https://www.readbyqxmd.com/read/28440736/levistilide-a-inhibits-angiogenesis-in-liver-fibrosis-via-vascular-endothelial-growth-factor-signaling-pathway
#7
Zhi-Min Zhao, Hong-Liang Liu, Xin Sun, Tao Guo, Li Shen, Yan-Yan Tao, Cheng-Hai Liu
Levistilide A (C24H28O4, molecular weight = 380.48) derived from Angelica sinensis (Danggui) has been reported to inhibit hepatic stellate cell proliferation. This study investigated the effects of levistilide A on liver fibrosis relating to angiogenesis, particularly on the characteristic change in liver sinusoidal endothelial cells. LX-2 cells were activated by TGF-β1, and the human hepatic sinusoidal endothelial cells (HHSECs) were induced by endothelial cell growth supplement. Cell viability was detected using a methylthiazoldiphenyl-tetrazolium bromide assay; F-actin was visualized through the fluorescence probe method; cell proliferation was examined using the EdU kit; antiangiogenesis activity was assessed using the tube formation assay and transgenic zebrafish model...
May 2017: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28439947/sirt1-hsf1-hsps-pathway-is-essential-for-exenatide-alleviated-lipid-induced-hepatic-endoplasmic-reticulum-stress
#8
Xiaobin Zheng, Fen Xu, Hua Liang, Huanyi Cao, Mengyin Cai, Wen Xu, Jianping Weng
Recent studies have indicated lipid-induced endoplasmic reticulum (ER) stress to be a major contributor to the progression of hepatic steatosis. Exenatide (Exendin-4), a glucagon-like peptide-1 receptor agonist, is known to improve hepatic steatosis with accumulating evidence. In this study, we investigated whether exenatide could alleviate lipid-induced hepatic ER stress through mammal sirtuin1 (SIRT1) and illustrated the detailed mechanisms. Male C57BL/6J mice challenged with a high-fat diet (HFD) were then treated with exenatide or normal saline by intraperitoneal injection for 4 weeks...
April 25, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28439933/effect-of-anti-ige-in-occupational-asthma-caused-by-exposure-to-low-molecular-weight-agents
#9
M Ollé-Monge, M J Cruz, S Gomez-Ollés, I Ojanguren, J Vanoirbeek, X Muñoz
BACKGROUND: The role of immunoglobulin (Ig)-E in occupational asthma (OA) due to low molecular weight (LMW) agents is not well established compared to classical atopic asthma. In the present study we evaluate whether anti-IgE monoclonal antibody (mAb) has an effect in a mouse model of OA, using persulfate salts. METHODS: On days 1 and 8, BALB/C mice were dermally sensitized with 5% ammonium persulfate (AP) or dimethyl sulfoxide (DMSO). On days 15, 18 and 21 animals were injected intraperitoneally with anti-IgE mAb or PBS 6 hours before challenge with AP or saline...
April 25, 2017: Allergy
https://www.readbyqxmd.com/read/28436634/-antiendotoxin-effect-of-jinhuaqingre-capsules
#10
Jiafu Hou, Leilei Wu, Yuting Cai, Changjiu Gao, Jindan An, Zhongcheng Yu
Objective: To investigate the anti-pyretic and anti-endotoxin effect of Chinese herb medicine Jinhuaqingre capsules. Methods: Thirty healthy male New Zealand rabbits with lipopolysaccharide-induced fever were divided into 5 groups (6 rabbits in each): animals in model group were given normal saline by gavage, animals in positive control group were given aspirin (0.2 g/kg), and animals in Jinhuaqingre groups were given Jinhuaqingre capsules 6.0, 3.0 or 1.5 g/kg, respectively. The changes in body temperature of rabbits were observed...
January 25, 2017: Zhejiang da Xue Xue Bao. Yi Xue Ban, Journal of Zhejiang University. Medical Sciences
https://www.readbyqxmd.com/read/28435503/ultrasound-guided-radial-artery-compression-to-assess-blood-pressure
#11
Leonard Bunting, Andrew Butki, Ashley Sullivan
INTRODUCTION: We proposed using compression sonography to observe the coaptation and collapse of the radial artery as a surrogate for automated cuff blood pressures (BP). We hypothesize that the pressure required to achieve coaptation and complete collapse of the artery would correlate to the diastolic and systolic BP, respectively. This pilot study was to assess the feasibility of ultrasound-guided radial artery compression (URAC) for BP measurement and compare patient comfort levels during automated cuff with URAC measurements...
April 2017: Western Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28435359/comparative-antimicrobial-efficacy-of-selected-root-canal-irrigants-on-commonly-isolated-microorganisms-in-endodontic-infection
#12
Sandeep Dubey, Suparna Ganguly Saha, Balakrishnan Rajkumar, Tapan Kumar Dhole
OBJECTIVE: This study aims to evaluate and compare the antimicrobial efficacy of three selected root canal irrigants (BioPure MTAD, metronidazole, aztreonam) against microbes commonly isolated from polymicrobial microbiota of root canal infection. MATERIALS AND METHODS: This study was designed with four experimental groups (Group I - Bacteroides fragilis, Group II - Propionibacterium acnes, Group III - Enterococcus faecalis, Group IV - Candida albicans) based on the microbes selected for the study...
January 2017: European Journal of Dentistry
https://www.readbyqxmd.com/read/28435269/efficacy-of-silk-fibroin-nano-silver-against-staphylococcus-aureus-biofilms-in-a-rabbit-model-of-sinusitis
#13
Minghui Jia, Zhongchun Chen, Yongwei Guo, Xin Chen, Xia Zhao
BACKGROUND: Staphylococcus aureus biofilms contribute significantly to the recalcitrant nature of chronic rhinosinusitis. In previous studies, it has been shown that silk fibroin-nano silver solution can eliminate S. aureus biofilms in vitro, which suggests a potential role of this novel agent in the treatment of biofilm-associated diseases, such as sinusitis. OBJECTIVE: The aim of this study was to investigate the efficacy of silk fibroin-nano silver solution as a topical anti-biofilm agent in a rabbit model of sinusitis...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28435222/effects-of-intrathecal-dexmedetomidine-on-shivering-after-spinal-anesthesia-for-cesarean-section-a-double-blind-randomized-clinical-trial
#14
Karim Nasseri, Negin Ghadami, Bijan Nouri
BACKGROUND: Shivering is among the common troublesome complications of spinal anesthesia (SA), and causes discomfort and discontentment in parturients undergoing cesarean sections (CSs). The aim of this study was to investigate the effects of intrathecal dexmedetomidine in the prevention of shivering in those who underwent CS under SA. SUBJECTS AND METHODS: Fifty parturients planned for elective CSs under SA were enrolled in this prospective, double-blinded, controlled study and randomly divided into two equal groups...
2017: Drug Design, Development and Therapy
https://www.readbyqxmd.com/read/28433709/pulmonary-pathobiology-induced-by-zinc-oxide-nanoparticles-in-mice-a-24-hour-and-28-day-follow-up-study
#15
Hsiao-Chi Chuang, Kai-Jen Chuang, Jen-Kun Chen, His-En Hua, Yen-Ling Shen, Wei-Neng Liao, Chii-Hong Lee, Chih-Hong Pan, Kuan-Yuan Chen, Kang-Yun Lee, Ta-Chih Hsiao, Tsun-Jen Cheng
Inhaled zinc oxide nanoparticles (ZnONPs) have high deposition rates in the alveolar region of the lungs; however, the adverse health effects of ZnONPs on the respiratory system are unclear. Herein, pathobiological responses of the respiratory system of mice that received intratracheal administration of ZnONPs were investigated by a combination of molecular and imaging (SPECT and CT) approaches. Also, normal BEAS-2B and adenocarcinoma A549 cells were used to confirm the results in mice. First, female BALB/c mice were administrated a series of doses of 20-nm ZnONPs and were compared to the phosphate-buffered saline control for 24-h and 28-day follow-up observations...
April 19, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/28433518/efficacy-of-tranexamic-acid-on-side-effects-of-rhinoplasty-a%C3%A2-randomized-double-blind-study
#16
Mohammad Ali Ghavimi, Koroush Taheri Talesh, Arezoo Ghoreishizadeh, Mir Amir Chavoshzadeh, Ali Zarandi
INTRODUCTION: The aim of this randomized double-blind study was to evaluate the efficacy of Tranexamic acid (TXA) on intraoperative bleeding, postoperative eyelid edema, and postoperative periorbital ecchymosis in rhinoplasty. MATERIALS AND METHODS: Sixty rhinoplasty patients who needed hump reduction and lateral osteotomy were included and then randomly assigned into two groups. In the intervention group (n = 30), 10 mg/kg of TXA was administered prior to the operation and in the control group, the patients were given 20 mL of normal saline...
March 21, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28433422/postnatal-choline-supplementation-selectively-attenuates-hippocampal-microrna-alterations-associated-with-developmental-alcohol-exposure
#17
Sridevi Balaraman, Nirelia M Idrus, Rajesh C Miranda, Jennifer D Thomas
Prenatal alcohol exposure can result in a range of physical, neuropathological, and behavioral alterations, collectively termed fetal alcohol spectrum disorders (FASD). We have shown that supplementation with the nutrient choline reduces the severity of developmental alcohol-associated deficits in hippocampal-dependent behaviors and normalizes some aspects of hippocampal cholinergic development and DNA methylation patterns. Alcohol's developmental effects may also be mediated, in part, by altering microRNAs (miRNAs) that serve as negative regulators of gene translation...
January 3, 2017: Alcohol
https://www.readbyqxmd.com/read/28432527/effects-of-agaricus-blazei-murill-polysaccharide-on-cadmium-poisoning-on-the-mda5-signaling-pathway-and-antioxidant-function-of-chicken-peripheral-blood-lymphocytes
#18
Ai Lv, Ming Ge, Xuequan Hu, Wenjing Liu, Guangxing Li, Ruili Zhang
This experimental study investigated the effect of Agaricus blazei Murill polysaccharide (ABP) on cadmium (Cd) poisoning on the melanoma differentiation-associated gene 5 (MDA5) signaling pathway and antioxidant function of peripheral blood lymphocytes (PBLs) in chickens. The experiments were divided into four groups: 7-day-old chickens with normal saline (0.2 mL single/day), Cd (140 mg/kg), ABP (30 mg/mL, 0.2 mL single/day), and Cd + ABP(140 mg/kg/day + 0.2 mL ABP). Peripheral blood was collected on the 20th, 40th, and 60th days for each group, and PBLs were separated...
April 21, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28431422/how-long-is-too-long-the-prespiked-intravenous-debate
#19
Jennifer L Stedman, Joel M Yarmush, Minal C Joshi, Sangeetha Kamath, Joseph Schianodicola
BACKGROUND: As the number of operative cases increases, there is a greater emphasis on reducing inefficiency while maintaining patient safety. Recently, the issue of prespiking intravenous (IV) bags was raised. No study has assessed whether the risk of infection is related to the length of time a sterile (IV) fluid bag has been spiked. After completion of a pilot study revealed no microbial growth within 24 hours of an IV spike, a larger formal study was undertaken to determine whether there was an increased infection risk within 4 hours of spiking an intravenous fluid bag...
May 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28430722/the-use-of-liposomal-bupivacaine-administered-with-standard-bupivacaine-in-ankle-fractures-requiring-open-reduction-internal-fixation-a-single-blinded-randomized-controlled-trial
#20
Roy Davidovitch, Abraham Goch, Adam Driesman, Sanjit Konda, Christian Pean, Kenneth Egol
OBJECTIVES: To determine the efficacy of liposomal bupivacaine compared to placebo for post-operative pain control in patients undergoing operative fixation of ankle fractures. DESIGN: Prospective single blinded randomized control trial SETTING:: Academic Medical CenterPatients/Participants: After IRB approval, seventy-six patients who sustained an acute ankle fracture (OTA 44A-C) requiring operative fixation met inclusion criteria. INTERVENTION: Patients were randomly assigned to one of two groups, control (local intra-operative sterile saline injection under general anesthesia) or interventional (local intra-operative liposomal bupivacaine and bupivacaine injection under general anesthesia)...
April 6, 2017: Journal of Orthopaedic Trauma
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