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https://www.readbyqxmd.com/read/28710025/inhibitory-effects-of-tetramethylpyrazine-on-pain-transmission-of-trigeminal-neuralgia-in-cci-ion-rats
#1
Wei Xiong, Mengxia Tan, Lingkun He, Xiaoyan Ou, Youhong Jin, Guo Yang, Liping Huang, Yulin Shen, Shu Guan, Changshui Xu, Guilin Li, Shuangmei Liu, Hong Xu, Shangdong Liang, Yun Gao
Tetramethylpyrazine (TMP) has anti-inflammatory effects and is used to treat cerebral ischemic injury, but the mechanism of TMP on neural protection is not clear. Trigeminal neuralgia (TN) is a facial pain syndrome that is characterized by paroxysmal, shock-like pain attacks located in the somatosensory distribution of the trigeminal nerve. P2X3 receptor plays a crucial role in facilitating pain transmission. The present study investigates the effects of TMP on trigeminal neuralgia transmission mediated by P2X3 receptor of the trigeminal ganglia (TG)...
July 11, 2017: Brain Research Bulletin
https://www.readbyqxmd.com/read/28700714/genome-wide-re-sequencing-of-newly-developed-rice-lines-from-common-wild-rice-oryza-rufipogon-griff-for-the-identification-of-nbs-lrr-genes
#2
Wen Liu, Fozia Ghouri, Hang Yu, Xiang Li, Shuhong Yu, Muhammad Qasim Shahid, Xiangdong Liu
Common wild rice (Oryza rufipogon Griff.) is an important germplasm for rice breeding, which contains many resistance genes. Re-sequencing provides an unprecedented opportunity to explore the abundant useful genes at whole genome level. Here, we identified the nucleotide-binding site leucine-rich repeat (NBS-LRR) encoding genes by re-sequencing of two wild rice lines (i.e. Huaye 1 and Huaye 2) that were developed from common wild rice. We obtained 128 to 147 million reads with approximately 32.5-fold coverage depth, and uniquely covered more than 89...
2017: PloS One
https://www.readbyqxmd.com/read/28679276/experimental-investigation-of-nonlinear-properties-of-crackle-and-screech-in-supersonic-jets
#3
J N Punekar, E Avital, X Li
Supersonic crackle, an irritable component of aircraft jet noise, was investigated using model scale measurements. Near-field results showed Gaussian distribution but far-field had high skewness and even higher in its derivative. Skewness, a measure of asymmetry in the waveform, was compared to screech arising from shock associated noise which was also high but in contrast to crackle its skewness derivative had dropped to a much smaller value than its waveform. Both crackle and screech are nonlinear but their nonlinear properties are entirely different...
June 2017: Journal of the Acoustical Society of America
https://www.readbyqxmd.com/read/28678921/identification-of-ige-and-igg1-specific-antigens-in-echinococcus-granulosus-cyst-fluid
#4
S Li, R Qian, S Wang, J Ye, H Zheng
Cystic echinococcosis (CE) is an anthropozoonotic disease with worldwide distribution and is caused by the cestode Echinococcus granulosus. Anaphylactic shock induced by CE rupture is a serious complication especially in patients with hydatid infections, as the resulting leakage of fluid contains highly toxic endogenous antigen. We aimed to isolate and identify the antigens of specific IgE and IgG1 (sIgE and sIgG1) in E. granulosus cyst fluid (EgCF). Crude antigen for EgCF was prepared from E. granulosus-infected sheep liver...
July 3, 2017: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
https://www.readbyqxmd.com/read/28667552/paying-for-the-tolls-the-high-cost-of-the-innate-immune-system-for-the-cardiac-myocyte
#5
Anne A Knowlton
The cardiac myocyte differs strikingly from the specialized cells of the immune system, which has two different responses to invading organisms and tissue damage. Adaptive or acquired immunity generates highly specific antibodies in response to threats and is an essential component of immunity; however, adaptive immunity can take 4-7 days to mobilize, and a more primitive response, innate immunity, fills the gap. Innate immunity is expressed in complex and in primitive life forms. Specialized receptors, Toll-like receptors (TLRs), which are widely distributed throughout different tissues recognize danger signals and rapidly respond with the release of noxious substances, such as TNFα...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28667374/human-umbilical-cord-mesenchymal-stem-cells-protect-against-sca3-by-modulating-the-level-of-70-kd-heat-shock-protein
#6
Tan Li, Yi Liu, Linjie Yu, Jiamin Lao, Meijuan Zhang, Jiali Jin, Zhengjuan Lu, Zhuo Liu, Yun Xu
Spinocerebellar ataxia 3 (SCA3), which is a progressive neurodegenerative disease, is currently incurable. Emerging studies have reported that human umbilical cord mesenchymal stem cells (HUC-MSCs) transplantation could be a promising therapeutic strategy for cerebellar ataxias. However, few studies have evaluated the effects of HUC-MSCs on SCA3 transgenic mouse. Thus, we investigated the effects of HUC-MSCs on SCA3 mice and the underlying mechanisms in this study. SCA3 transgenic mice received systematic administration of 2 × 10(6) HUC-MSCs once per week for 12 continuous weeks...
June 30, 2017: Cellular and Molecular Neurobiology
https://www.readbyqxmd.com/read/28660169/distribution-of-shock-index-and-age-shock-index-score-among-trauma-patients-in-india
#7
Prashant Bhandarkar, Ashok Munivenkatappa, Nobhojit Roy, Vineet Kumar, Veda Dhruthy Samudrala, Amit Agrawal
No abstract text is available yet for this article.
April 2017: International Journal of Critical Illness and Injury Science
https://www.readbyqxmd.com/read/28650988/transcriptomic-analysis-to-uncover-genes-affecting-cold-resistance-in-the-chinese-honey-bee-apis-cerana-cerana
#8
Kai Xu, Qingsheng Niu, Huiting Zhao, Yali Du, Yusuo Jiang
The biological activity and geographical distribution of honey bees is strongly temperature-dependent, due to their ectothermic physiology. In China, the endemic Apis cerana cerana exhibits stronger cold hardiness than Western honey bees, making the former species important pollinators of winter-flowering plants. Although studies have examined behavioral and physiological mechanisms underlying cold resistance in bees, data are scarce regarding the exact molecular mechanisms. Here, we investigated gene expression in A...
2017: PloS One
https://www.readbyqxmd.com/read/28649264/genome-wide-analysis-of-the-pvhsp20-family-in-switchgrass-motif-genomic-organization-and-identification-of-stress-or-developmental-related-hsp20s
#9
Haidong Yan, Ailing Zhang, Jing Chen, Xiaoyan He, Bin Xu, Guanqi Xie, Zhiming Miao, Xinquan Zhang, Linkai Huang
Hsp20 proteins exist in all plant species and represent the most abundant small heat shock proteins (sHSPs) in plants. Hsp20s were known as chaperones maintaining cellular homeostasis during heat or other kinds of abiotic stresses. The objective of this study was to understand the phylogenetic relationship, genomic organization, diversification of motif modules, genome localization, expression profiles, and interaction networks of switchgrass (Panicum virgatum L.) Hsp20s (PvHsp20s). A total of 63 PvHsp20s were identified with their consensus as well as unique ACD motifs and gene structures analyzed...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28642976/prognostic-role-of-a-new-risk-index-for-the-prediction-of-30-day-cardiovascular-mortality-in-patients-with-acute-pulmonary-embolism-the-age-mean-arterial-pressure-index-amapi
#10
Marco Zuin, Gianluca Rigatelli, Claudio Picariello, Mauro Carraro, Pietro Zonzin, Loris Roncon
Acute pulmonary embolism (PE) is the third cause of cardiovascular (CV) mortality. We evaluated a new risk index, named Age-Mean Arterial Pressure Index (AMAPI), to predict 30-day CV mortality in patients with acute PE. Data of 209 patients (44.0% male and 56.0% female, mean age 70.58 ± 14.14 years) with confirmed acute PE were retrospectively analysed. AMAPI was calculated as the ratio between age and mean arterial pressure (MAP), which was defined as [systolic blood pressure + (2 × diastolic blood pressure)]/3...
June 22, 2017: Heart and Vessels
https://www.readbyqxmd.com/read/28638715/rat-intersubjective-decisions-are-encoded-by-frequency-specific-oscillatory-contexts
#11
Jana Schaich Borg, Sanvesh Srivastava, Lizhen Lin, Joseph Heffner, David Dunson, Kafui Dzirasa, Luis de Lecea
INTRODUCTION: It is unknown how the brain coordinates decisions to withstand personal costs in order to prevent other individuals' distress. Here we test whether local field potential (LFP) oscillations between brain regions create "neural contexts" that select specific brain functions and encode the outcomes of these types of intersubjective decisions. METHODS: Rats participated in an "Intersubjective Avoidance Test" (IAT) that tested rats' willingness to enter an innately aversive chamber to prevent another rat from getting shocked...
June 2017: Brain and Behavior
https://www.readbyqxmd.com/read/28630480/pro-invasive-stimuli-and-the-interacting-protein-hsp70-favour-the-route-of-alpha-enolase-to-the-cell-surface
#12
Giovanni Perconti, Cristina Maranto, Daniele P Romancino, Patrizia Rubino, Salvatore Feo, Antonella Bongiovanni, Agata Giallongo
Cell surface expression of alpha-enolase, a glycolytic enzyme displaying moonlighting activities, has been shown to contribute to the motility and invasiveness of cancer cells through the protein non-enzymatic function of binding plasminogen and enhancing plasmin formation. Although a few recent records indicate the involvement of protein partners in the localization of alpha-enolase to the plasma membrane, the cellular mechanisms underlying surface exposure remain largely elusive. Searching for novel interactors and signalling pathways, we used low-metastatic breast cancer cells, a doxorubicin-resistant counterpart and a non-tumourigenic mammary epithelial cell line...
June 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28618930/gallic-acid-against-hepatocellular-carcinoma-an-integrated-scheme-of-the-potential-mechanisms-of-action-from-in-vivo-study
#13
Hadeer A Aglan, Hanaa H Ahmed, Sayed A El-Toumy, Nadia S Mahmoud
The global burden of hepatocellular carcinoma is increasing; actually, it is estimated as 750,000 new cases annually. This study was initiated to emphasize the possibility that gallic acid could alleviate hepatocarcinogenesis in vivo. In this study, 40 rats were enrolled and distributed as follows; group 1 was set as negative control, while all of groups 2, 3, and 4 were orally received N-nitrosodiethylamine for hepatocellular carcinoma induction. Group 2 was left untreated, whereas groups 3 and 4 were orally treated with gallic acid and doxorubicin, respectively...
June 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28618806/testing-two-crackle-criteria-using-modified-jet-noise-waveforms
#14
S Hales Swift, Kent L Gee, Tracianne B Neilsen
The jet sound quality "crackle" has historically been studied and quantified using the statistics of the pressure waveform. Some investigators have suggested crackle, and its associated shock content, may be better quantified using the statistics of the time derivative of the waveform. Modified waveforms are used to evaluate crackle prediction criteria based on the skewness of each variable. The resultant waveforms are provided as direct evidence that the pressure distribution does not directly predict or quantify a crackling sound quality while the statistics of the derivative appear to do so...
June 2017: Journal of the Acoustical Society of America
https://www.readbyqxmd.com/read/28618493/simple-wealth-distribution-model-causing-inequality-induced-crisis-without-external-shocks
#15
Henri Benisty
We address the issue of the dynamics of wealth accumulation and economic crisis triggered by extreme inequality, attempting to stick to most possibly intrinsic assumptions. Our general framework is that of pure or modified multiplicative processes, basically geometric Brownian motions. In contrast with the usual approach of injecting into such stochastic agent models either specific, idiosyncratic internal nonlinear interaction patterns or macroscopic disruptive features, we propose a dynamic inequality model where the attainment of a sizable fraction of the total wealth by very few agents induces a crisis regime with strong intermittency, the explicit coupling between the richest and the rest being a mere normalization mechanism, hence with minimal extrinsic assumptions...
May 2017: Physical Review. E
https://www.readbyqxmd.com/read/28617889/erdheim-chester-disease-presenting-with-histiocytic-colitis-and-cytokine-storm
#16
George P Christophi, Yeshika Sharma, Quader Farhan, Umang Jain, Ted Walker, Gregory S Sayuc, Deborah C Rubin
BACKGROUND: Non-Langerhans histiocytosis is a group of inflammatory lymphoproliferative disorders originating from non-clonal expansion of hematopoietic stem cells into cytokine-secreting dendritic cells or macrophages. Erdheim-Chester Disease (ECD) is a rare type of non-Langerhans cell histiocytosis characterized by tissue inflammation and injury caused by macrophage infiltration and histologic findings of foamy histiocytes. Often ECD involves the skeleton, retroperitoneum and the orbits...
June 2017: Journal of Gastrointestinal and Liver Diseases: JGLD
https://www.readbyqxmd.com/read/28599831/alterations-in-cardiac-deformation-timing-of%C3%A2-contraction-and-relaxation-and-early-myocardial-fibrosis-accompany-the-apparent-recovery-of-acute-stress-induced-takotsubo-cardiomyopathy-an-end-to-the-concept-of%C3%A2-transience
#17
Konstantin Schwarz, Trevor Ahearn, Janaki Srinivasan, Christopher J Neil, Caroline Scally, Amelia Rudd, Baljit Jagpal, Michael P Frenneaux, Cristina Pislaru, John D Horowitz, Dana K Dawson
BACKGROUND: Takotsubo syndrome is an increasingly recognized cause of chest pain and occasionally of cardiogenic shock. Despite rapid improvement of the left ventricular (LV) ejection fraction, recent registry data raise concerns about long-term prognosis. The aim of this study was to test the hypothesis that restoration of normal ejection fraction after acute takotsubo syndrome is not equivalent to full functional recovery. METHODS: Fifty-two patients with takotsubo syndrome (according to the Mayo Clinic criteria plus cardiac magnetic resonance imaging to exclude myocardial infarction) and 44 healthy control subjects of the same age, gender, and cardiovascular comorbidity distribution were prospectively recruited...
June 6, 2017: Journal of the American Society of Echocardiography
https://www.readbyqxmd.com/read/28591966/-the-value-of-early-diastolic-transmitral-velocity-to-early-mitral-anulus-diastolic-velocity-ratio-for-pulmonary-edema-in-severe-sepsis-patients
#18
Wan-Hong Yin, Yi Li, Yao Qin, Yan Kang, Ji-Yuan Zhao, Tong-Juan Zou, Zhi-Yun Tang
OBJECTIVES: To determine the association between the value of early diastolic transmitral velocity to early mitral anulus diastolic velocity ratio (E/E')measured by bedside ultrasound and pulmonary edema in severe sepsis (including septic shock) patients. METHODS: Data were obtained from the critical ultrasound database between November 2014 and August 2015. The severe sepsis (including septic shock) patients were eligible, but those with chronic heart disease or acute heart failure were excluded...
July 2016: Sichuan da Xue Xue Bao. Yi Xue Ban, Journal of Sichuan University. Medical Science Edition
https://www.readbyqxmd.com/read/28581770/collimated-propagation-of-fast-electron-beams-accelerated-by-high-contrast-laser-pulses-in-highly-resistive-shocked-carbon
#19
X Vaisseau, A Morace, M Touati, M Nakatsutsumi, S D Baton, S Hulin, Ph Nicolaï, R Nuter, D Batani, F N Beg, J Breil, R Fedosejevs, J-L Feugeas, P Forestier-Colleoni, C Fourment, S Fujioka, L Giuffrida, S Kerr, H S McLean, H Sawada, V T Tikhonchuk, J J Santos
Collimated transport of ultrahigh intensity electron current was observed in cold and in laser-shocked vitreous carbon, in agreement with simulation predictions. The fast electron beams were created by coupling high-intensity and high-contrast laser pulses onto copper-coated cones drilled into the carbon samples. The guiding mechanism-observed only for times before the shock breakout at the inner cone tip-is due to self-generated resistive magnetic fields of ∼0.5-1  kT arising from the intense currents of fast electrons in vitreous carbon, by virtue of its specific high resistivity over the range of explored background temperatures...
May 19, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28574114/venlafaxine-intoxication-with-development-of-takotsubo-cardiomyopathy-successful-use-of-extracorporeal-life-support-intravenous-lipid-emulsion-and-cytosorb%C3%A2
#20
Ines Schroeder, Michael Zoller, Matthias Angstwurm, Felix Kur, Lorenz Frey
We describe a young patient who ingested 18 g (240 times the daily therapeutic dose) of venlafaxine in a suicide attempt. She developed severe cardiomyopathy in a takotsubo distribution causing cardiogenic shock and multi-organ dysfunction syndrome (MODS). She was successfully treated with intravenous lipid emulsion (ILE), extracorporeal life support (ECLS) and CytoSorb®. This is remarkable as, to the best of the authors' knowledge, this is the highest amount of venlafaxine intake seen in the literature with a nonfatal outcome...
May 23, 2017: International Journal of Artificial Organs
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