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Ping Jiang, Dufang Ma, Xue Wang, Yongcheng Wang, Yuxin Bi, Jinlong Yang, Xuebing Wang, Xiao Li
Low-grade pro-inflammatory state and leptin resistance are important underlying mechanisms that contribute to obesityassociated hypertension. We tested the hypothesis that Astragaloside IV (As IV), known to counteract obesity and hypertension, could prevent obesity-associated hypertension by inhibiting pro-inflammatory reaction and leptin resistance. High-fat diet (HFD) induced obese rats were randomly assigned to three groups: the HFD control group (HF con group), As IV group, and the As IV + α-bungaratoxin (α-BGT) group (As IV+α-BGT group)...
March 20, 2018: Molecules and Cells
R J Wang, M L Wen, Q Zhou, X W Wei, H Li, Y B Zhao, Y F Qi, J Luan, X F Zhou
Objective: To elucidate the association between large conductance calcium-activated potassium channels (BKCa ) in the paraventricular hypothalamic nucleus (PVN) and sympathetic outflow in rats with chronic heart failure (CHF) . Methods: Male Wistar rats (6-7 weeks old) were randomized to sham operated group and CHF group (coronary artery ligation) . Two weeks after operation, BKCa inhibitor Iberiotoxin (IBTX) was infused into PVN by osmotic minipumps, rats were divided into following groups: sham+aCSF, CHF+aCSF, sham+low dose IBTX (0...
March 24, 2018: Zhonghua Xin Xue Guan Bing za Zhi
Mahtab Alam, Abul Kalam Najmi, Iqbal Ahmad, Farhan Jalees Ahmad, Md Jawaid Akhtar, Syed Sarim Imam, Mohd Akhtar
The study performed molecular docking, formulated, characterized thymoquinone (TQ) loaded solid lipid nano particles (TQSLN) and exhibited comparative antidepressant activity. TQ loaded nano lipid formulations were prepared by solvent injection methods and characterize for different in-vitro parameters. The optimized formulation was evaluated for depression using unpredictable chronic mild stress (UCMS) model for a period of six weeks. TQSLN was assessed in modified forced swim test (MFST), tail suspension test (TST), locomotor activity followed by biochemical parameters such as monoaminesand brain derived neurotrophic factor (BDNF)...
March 21, 2018: Artificial Cells, Nanomedicine, and Biotechnology
Nadine Musallam, Diana Altshuler, Cristian Merchan, Bishoy Zakhary, Caitlin Aberle, John Papadopoulos
BACKGROUND: There is little data guiding clinicians on how to discontinue vasopressors among septic shock patients on concomitant norepinephrine (NE) and vasopressin (VP). OBJECTIVE: To determine the incidence of hypotension within 24 hours of discontinuing NE (NE DC first) versus VP (VP DC first) first in septic shock patients. METHODS: This retrospective study evaluated septic shock patients admitted to the medical intensive care unit (MICU) and surgical ICU (SICU) receiving concomitant NE and VP...
March 1, 2018: Annals of Pharmacotherapy
S Meis, T Endres, T Munsch, V Lessmann
Tonic inhibition mediated by ambient levels of GABA that activate extrasynaptic GABAA receptors emerges as an essential factor that tunes neuronal network excitability in vitro and shapes behavioral responses in vivo. To address the role of neuromodulatory transmitter systems on this type of inhibition, we employed patch clamp recordings in mouse amygdala slice preparations. Our results show that the current amplitude of tonic inhibition (Itonic ) in projection neurons of the basal amygdala (BA) is increased by preincubation with the neurosteroid THDOC, while the benzodiazepine diazepam is ineffective...
March 20, 2018: Molecular Neurobiology
Kritsada Moonpa, Kannipa Motanated
The Nam Pat Group of the Nam Pat Basin, Uttaradit Province, Thailand is situated in the Nan Suture Zone. Two contrasting tectonic framework models of the Nan Suture have previously been proposed: as a main Paleo-Tethyan suture and as a remnant of a closed back-arc basin. The goal of this study is to analyze the tectonic framework of the Nan Suture and reevaluate the existing tectonic models. This research infers the tectonic setting of the basin based on basin-filled lithofacies distributions, provenance, and paleocurrents...
January 2018: Heliyon
Manuel Oliva, Andrey Anikin
The processing of emotional signals usually causes an increase in pupil size, and this effect has been largely attributed to autonomic arousal prompted by the stimuli. Additionally, changes in pupil size were associated with decision making during non-emotional perceptual tasks. Therefore, in this study we investigated the relationship between pupil size fluctuations and the process of emotion recognition. Participants heard human nonverbal vocalizations (e.g., laughing, crying) and indicated the emotional state of the speakers as soon as they had identified it...
March 20, 2018: Scientific Reports
Daniel Lüdke, Charlotte Roth, Denise Hartken, Marcel Wiermer
The Arabidopsis nuclear transport receptor IMPORTIN-α3/MOS6 (MODIFIER OF SNC1, 6) is required for constitutive defense responses of the auto-immune mutant snc1 (suppressor of npr1-1, constitutive 1) and contributes to basal disease resistance, suggesting a role in nuclear import of defense-regulatory cargo proteins. We recently showed that MOS6 selectively interacts with TN13, a TIR-NBS protein involved in basal resistance to Pseudomonas syringae pv. tomato (Pst) DC3000 lacking the effectors AvrPto and AvrPtoB...
March 20, 2018: Plant Signaling & Behavior
Naif E Al Omairi, Omyma K Radwan, Yahea A Alzahrani, Rami B Kassab
Due to the high ability of cadmium to cross the blood-brain barrier, cadmium (Cd) causes severe neurological damages. Hence, the purpose of this study was to investigate the possible protective effect of Mangifera indica leaf extract (MLE) against Cd-induced neurotoxicity. Rats were divided into eight groups. Group 1 served as vehicle control group, groups 2, 3 and 4 received MLE (100, 200, 300 mg /kg b.wt, respectively). Group 5 was treated with CdCl2 (5 mg/kg b.wt). Groups 6, 7 and 8 were co-treated with MLE and CdCl2 using the same doses...
March 20, 2018: Metabolic Brain Disease
Mongkon Charoenpitakchai, Kulachet Wiwatwarayos, Nattapon Jaisupa, Muhamad Rusdi Ahmad Rusmili, Supachoke Mangmool, Wayne C Hodgson, Chetana Ruangpratheep, Lawan Chanhome, Janeyuth Chaisakul
Background: Envenoming by kraits (genus Bungarus ) is a medically significant issue in South Asia and Southeast Asia. Malayan krait ( Bungarus candidus ) venom is known to contain highly potent neurotoxins. In recent years, there have been reports on the non-neurotoxic activities of krait venom that include myotoxicity and nephrotoxicity. However, research on such non-neurotoxicity activities of Malayan krait venom is extremely limited. Thus, the aim of the present study was to determine the myotoxic, cytotoxic and nephrotoxic activities of B...
2018: Journal of Venomous Animals and Toxins Including Tropical Diseases
Yongtao Bai, Lihua Song, Guoliang Dai, Meijuan Xu, Lijing Zhu, Weidong Zhang, Wen Jing, Wenzheng Ju
Evidence showed that the stress hormone corticosterone (CORT) injection resulted in dysregulation of the hypothalamic-pituitary-adrenal (HPA) axis implicated in major depressive disorder. Magnolol, main constituent identified in the barks of Magnolia officinalis, exerted antidepressant effects in a rat model of depression induced by chronic unpredictable mild stress in previous studies. However, its antidepressant-like effects and mechanisms have never been studied in depression model induced by CORT administration in rodents...
March 16, 2018: Steroids
Albert Herrero, Cayetano Gutiérrez-Cánovas, Olga Vigiak, Stefanie Lutz, Rohini Kumar, David Gampe, Verena Huber-García, Ralf Ludwig, Ramon Batalla, Sergi Sabater
Multiple abiotic stressors affect the ecological status of water bodies. The status of waterbodies in the Ebro catchment (NE Spain) is evaluated using the biological quality elements (BQEs) of diatoms, invertebrates and macrophytes. The multi-stressor influence on the three BQEs was evaluated using the monitoring dataset available from the catchment water authority. Nutrient concentrations, especially total phosphorus (TP), affected most of the analyzed BQEs, while changes in mean discharge, water temperature, or river morphology did not show significant influences...
March 10, 2018: Science of the Total Environment
Li Xie, Liqin Chen, Pan Gu, Lanlan Wei, Xuejun Kang
The extraction and analysis of catecholamine neurotransmitters in biological fluids is of great importance in assessing nervous system function and related diseases, but their precise measurement is still a challenge. Many protocols have been described for neurotransmitter measurement by a variety of instruments, including high-pressure liquid chromatography (HPLC). However, there are shortcomings, such as complicated operation or hard-to-detect multiple targets, which cannot be avoided, and presently, the dominant analysis technique is still HPLC coupled with sensitive electrochemical or fluorimetric detection, due to its high sensitivity and good selectivity...
March 1, 2018: Journal of Visualized Experiments: JoVE
J Hansen, L Zhang, A Eaton, R Baxter, C A Robertson, M D Decker, D P Greenberg, E Bassily, N P Klein
BACKGROUND: Menactra® vaccine (MenACWY-D) was licensed in the United States in 2005 for persons 11-55 years of age, in 2007 for children 2-10 years of age, and in 2011 for infants/toddlers 9-23 months of age. We conducted two studies at Kaiser Permanente Northern California (KPNC), an integrated health care organization, to assess the safety of MenACWY-D in 2-10-year-olds and 9-23-month-olds receiving the vaccine during routine clinical care. METHODS: We conducted observational, retrospective studies of MenACWY-D in 2-10-year-olds (October 2007-October 2010) and in 9-23-month-olds (June 2011-June 2014)...
March 14, 2018: Vaccine
Peter Hutten-Czapski
No abstract text is available yet for this article.
2018: Canadian Journal of Rural Medicine
Yun Chai, Miaomiao Qu, Meng Jin
This study was designed to evaluate the application effect of single balloon catheters and dinoprostone on promoting cervical ripening of pregnant women in late-term pregnancy and their influences on stress and inflammatory responses. A total of 160 pregnant women with indications of labor induction were included and randomly divided into the control (n=80) and observation (n=80) groups. Patients in the control group received labor induction by administration of dinoprostone at the vaginal vault, while those in the observation group received labor induction by domestic single balloon catheters...
April 2018: Experimental and Therapeutic Medicine
Simone Franceschini, Emanuele Gandola, Marco Martinoli, Lorenzo Tancioni, Michele Scardi
Species distribution is the result of complex interactions that involve environmental parameters as well as biotic factors. However, methodological approaches that consider the use of biotic variables during the prediction process are still largely lacking. Here, a cascaded Artificial Neural Networks (ANN) approach is proposed in order to increase the accuracy of fish species occurrence estimates and a case study for Leucos aula in NE Italy is presented as a demonstration case. Potentially useful biotic information (i...
March 15, 2018: Scientific Reports
A Susanne Dittrich, Iris Kühbandner, Stefanie Gehrig, Verena Rickert-Zacharias, Matthew Twigg, Sabine Wege, Clifford C Taggart, Felix Herth, Carsten Schultz, Marcus A Mall
Neutrophil elastase (NE) is a key risk factor for severity of cystic fibrosis (CF) lung disease. Recent studies identified increased NE activity on the surface of airway neutrophils from CF-like mice and patients with CF. However, the role of surface-bound NE in CF lung disease remains unknown. We, therefore, determined the relationship between surface-bound NE activity and severity of lung disease in CF.Surface-bound NE activity was measured on sputum neutrophils from 35 CF patients and 8 healthy controls using novel lipidated Foerster resonance energy transfer (FRET) reporters and correlated with free NE activity, neutrophil counts, IL-8, myeloperoxidase and antiproteases in sputum supernatant, and with lung function parameters...
March 15, 2018: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
Katsuyuki Taguchi, Toshihide Itoh, Matthew K Fuld, Eric Fournie, Okkyun Lee, Kyo Noguchi
OBJECTIVES: A novel imaging technique ("X-map") has been developed to identify acute ischemic lesions for stroke patients using non-contrast-enhanced dual-energy computed tomography (NE-DE-CT). Using the 3-material decomposition technique, the original X-map ("X-map 1.0") eliminates fat and bone from the images, suppresses the gray matter (GM)-white matter (WM) tissue contrast, and makes signals of edema induced by severe ischemia easier to detect. The aim of this study was to address the following 2 problems with the X-map 1...
March 14, 2018: Investigative Radiology
Sarunya Tuntiyasawasdikul, Ekapol Limpongsa, Napaphak Jaipakdee, Bungorn Sripanidkulchai
RATIONAL: Phytoestrogens have been found to delay signs of skin aging in post-menopausal women, in a way similar to the effects of estrogens. Diarylheptanoids from a rhizome of traditional Thai herb named Curcuma comosa is considered to be a novel class of phytoestrogens. OBJECTIVES: The aims of this study were to prepare effective topical films using mixed types and vary ratios of hydrophobic (Eudragit RL, Eudragit RS, and Eudragit NE) and hydrophilic polymer (hydroxylpropyl methycellulose, HPMC) with Transcutol as a permeation enhancer for delivery of diarylheptanoids to improve signs of skin aging in post-menopausal women...
March 15, 2018: Drug Development and Industrial Pharmacy
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