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https://www.readbyqxmd.com/read/29145622/plant-extracellular-vesicles-are-incorporated-by-a-fungal-pathogen-and-inhibit-its-growth
#1
Mariana Regente, Marcela Pinedo, Hélène San Clemente, Thierry Balliau, Elisabeth Jamet, Laura de la Canal
Extracellular vesicles (EV) are membrane particles released by cells into their environment and are considered to be key players in intercellular communication. EV are produced by all domains of life but limited knowledge about EV in plants is available, although their implication in plant defense has been suggested. We have characterized sunflower EV and tested whether they could interact with fungal cells. EV were isolated from extracellular fluids of seedlings and characterized by transmission electron microscopy and proteomic analysis...
November 14, 2017: Journal of Experimental Botany
https://www.readbyqxmd.com/read/29145460/trail-attenuates-rankl-mediated-osteoblastic-signalling-in-vascular-cell-mono-culture-and-co-culture-models
#2
Emma Harper, Keith D Rochfort, Hannah Forde, Colin Davenport, Diarmuid Smith, Philip M Cummins
BACKGROUND AND OBJECTIVES: Vascular calcification (VC) is a major risk factor for elevated cardiovascular morbidity/mortality. Underlying this process is osteoblastic signalling within the vessel wall involving complex and interlinked roles for receptor-activator of nuclear factor-κB ligand (RANKL), osteoprotegerin (OPG), and tumour necrosis factor-related apoptosis-inducing ligand (TRAIL). RANKL promotes vascular cell osteoblastic differentiation, whilst OPG acts as a neutralizing decoy receptor for RANKL (and TRAIL)...
2017: PloS One
https://www.readbyqxmd.com/read/29145269/multimodal-ultrasonographic-assessment-of-leiomyosarcoma-of-the-femoral-vein-in-a-patient-misdiagnosed-as-having-deep-vein-thrombosis-a-case-report
#3
Mei Zhang, Feng Yan, Bin Huang, Zhoupeng Wu, Xiaorong Wen
RATIONALE: Primary leiomyosarcoma (LMS) of the vein is a rare tumor that arises from the smooth muscle cells of the vessel wall and has an extremely poor prognosis. This tumor can occur in vessels such as the inferior vena cava, great saphenous vein, femoral vein, iliac vein, popliteal vein, and renal vein; the inferior vena cava is the most common site. LMS of the femoral vein can result in edema and pain in the lower extremity; therefore, it is not easy to be differentiated from deep vein thrombosis (DVT)...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29145175/antimicrobial-activity-of-galangin-and-its-effects-on-murein-hydrolases-of-vancomycin-intermediate-staphylococcus-aureus-visa-strain-mu50
#4
Jing Ouyang, Fengjun Sun, Wei Feng, Yonghong Xie, Lijuan Ren, Yongchuan Chen
Backgroud: Antibiotic treatment for infections caused by vancomycin-intermediate Staphylococcus aureus (VISA) strains is challenging, and only a few effective and curative methods have been developed to combat these strains. This study aimed to investigate the antimicrobial activity of galangin against S. aureus and its effects on the murein hydrolases of VISA strain Mu50. This is the first report on these effects of galangin, and it may help to improve the treatment for VISA infections by demonstrating the effective use of galangin...
November 17, 2017: Chemotherapy
https://www.readbyqxmd.com/read/29145107/postoperative-thoracic-hemorrhage-after-right-upper-lobectomy-with-thoracic-wall-resection-during-rivaroxaban-anticoagulant-therapy-for-deep-leg-vein-thrombosis-a-case-report
#5
Taiji Kuwata, Masatoshi Kanayama, Ayako Hirai, Shuichi Shinohara, Masaru Takenaka, Soichi Oka, Yasuhiro Chikaishi, Naoko Imanishi, Koji Kuroda, Fumihiro Tanaka
INTRODUCTION: Postoperative pulmonary embolism (PE) is the one of the most important complications after thoracic surgery. This complicatin after the surgery is often treated by new anticoaglant drug, such as rivaroxaban, which dose not need to the monitoring of blood coaglation system. We experienced postoperative bleeding case during anticoaglant therapy using rivaroxaban. PRESENTATION OF CASE: The patient underwent a right upper lobectomy with lung and chest wall resection for lung cancer...
November 11, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/29144976/single-cell-profiling-of-an-in%C3%A2-vitro-model-of-human-interneuron-development-reveals-temporal-dynamics-of-cell-type-production-and-maturation
#6
Jennie L Close, Zizhen Yao, Boaz P Levi, Jeremy A Miller, Trygve E Bakken, Vilas Menon, Jonathan T Ting, Abigail Wall, Anne-Rachel Krostag, Elliot R Thomsen, Angel M Nelson, John K Mich, Rebecca D Hodge, Soraya I Shehata, Ian A Glass, Susan Bort, Nadiya V Shapovalova, N Kiet Ngo, Joshua S Grimley, John W Phillips, Carol L Thompson, Sharad Ramanathan, Ed Lein
No abstract text is available yet for this article.
November 15, 2017: Neuron
https://www.readbyqxmd.com/read/29144773/cancer-chemopreventive-antiproliferative-and-superoxide-anion-scavenging-properties-of-kluyveromyces-marxianus-and-saccharomyces-cerevisiae-var-boulardii-cell-wall-components
#7
Olivier Fortin, Blanca Aguilar-Uscanga, Khanh Dang Vu, Stephane Salmieri, Monique Lacroix
This study investigated the cancer chemopreventive, the antiradical, and the antiproliferative properties of polysaccharides extracts from cell wall of Saccharomyces boulardii and Kluyveromyces marxianus. β-glucan, mannan, and chitin were also quantified to identify the most important extract responsible for these biological properties. Soluble and insoluble glucans as well as mannoprotein were extracted from cell wall using single hot-alkaline method. Superoxide anion scavenging (antiradical capacity), NAD(P)H: quinone reductase (QR) (EC 1...
November 16, 2017: Nutrition and Cancer
https://www.readbyqxmd.com/read/29144410/evaluation-of-different-single-walled-carbon-nanotube-surface-coatings-for-single-particle-tracking-applications-in-biological-environments
#8
Zhenghong Gao, Noémie Danné, Antoine Guillaume Godin, Brahim Lounis, Laurent Cognet
Fluorescence imaging of biological systems down to the single-molecule level has generated many advances in cellular biology. For applications within intact tissue, single-walled carbon nanotubes (SWCNTs) are emerging as distinctive single-molecule nanoprobes, due to their near-infrared photoluminescence properties. For this, SWCNT surfaces must be coated using adequate molecular moieties. Yet, the choice of the suspension agent is critical since it influences both the chemical and emission properties of the SWCNTs within their environment...
November 16, 2017: Nanomaterials
https://www.readbyqxmd.com/read/29144234/lrp1-integrates-murine-macrophage-cholesterol-homeostasis-and-inflammatory-responses-in-atherosclerosis
#9
Xunde Xian, Yinyuan Ding, Marco Dieckmann, Li Zhou, Florian Plattner, Mingxia Liu, John S Parks, Robert E Hammer, Philippe Boucher, Shirling Tsai, Joachim Herz
Low-density lipoprotein receptor-related protein 1 (LRP1) is a multifunctional cell surface receptor with diverse physiological roles, ranging from cellular uptake of lipoproteins and other cargo by endocytosis to sensor of the extracellular environment and integrator of a wide range of signaling mechanisms. As a chylomicron remnant receptor, LRP1 controls systemic lipid metabolism in concert with the LDL receptor in the liver, whereas in smooth muscle cells (SMC) LRP1 functions as a co-receptor for TGFβ and PDGFRβ in reverse cholesterol transport and the maintenance of vascular wall integrity...
November 16, 2017: ELife
https://www.readbyqxmd.com/read/29144232/saccharopolyspora-aidingensis-sp-nov-an-actinomycete-isolated-from-a-salt-lake
#10
Zhan-Feng Xia, Xiao-Xia Luo, Chuan-Xing Wan, Li-Li Zhang
A novel halophilic actinomycete strain, designated TRM 46074(T), was isolated from Aiding salt lake in Turpan Basin, north-west China. Strain TRM 46074(T) was aerobic, Gram-stain-positive and grew optimally with 12 % (w/v) NaCl. The strain was observed to produce sparse aerial mycelium with long chains of spores that were non-motile and oval or spherical in shape with a rough or smooth surface; substrate mycelium was branched and well developed. The cell wall was determined to contain meso-diaminopimelic acid; the diagnostic whole-cell sugars were galactose, arabinose and ribose...
March 2017: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/29144021/quantitative-extracellular-matrix-proteomics-suggests-cell-wall-reprogramming-in-host-specific-immunity-during-vascular-wilt-caused-by-fusarium-oxysporum-in-chickpea
#11
Eman Elagamey, Kanika Narula, Arunima Sinha, Sudip Ghosh, Magdi A E Abdellatef, Niranjan Chakraborty, Subhra Chakraborty
Extracellular matrix (ECM) is the unique organelle that perceives stress signals and reprograms molecular events of host cell during patho-stress. However, our understanding of how ECM dictates plant immunity is largely unknown. Vascular wilt caused by the soil borne filamentous fungus Fusarium oxysporum is a major impediment for global crop productivity. To elucidate the role of ECM proteins and molecular mechanism associated with cell wall mediated immunity, the temporal changes of ECM proteome was studied in vascular wilt resistant chickpea cultivar upon F...
November 16, 2017: Proteomics
https://www.readbyqxmd.com/read/29143882/enzymatic-properties-of-%C3%AE-n-acetylglucosaminidases
#12
REVIEW
Rui Zhang, Junpei Zhou, Zhifeng Song, Zunxi Huang
β-N-Acetylglucosaminidases (GlcNAcases) hydrolyse N-acetylglucosamine-containing oligosaccharides and proteins. These enzymes produce N-acetylglucosamine (GlcNAc) and have a wide range of promising applications in the food, energy, and pharmaceutical industries, such as synergistic degradation of chitin with endo-chitinases and using GlcNAc to produce sialic acid, bioethanol, single-cell proteins, and pharmaceutical therapeutics. GlcNAcases also play an important role in the dynamic balance of cellular O-linked GlcNAc levels, catabolism of ganglioside storage in Tay-Sachs disease, and bacterial cell wall recycling and flagellar assembly...
November 16, 2017: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/29143876/deregulation-of-genes-associated-with-alternate-drug-resistance-mechanisms-in-mycobacterium-tuberculosis
#13
Kalpana Sriraman, Kayzad Nilgiriwala, Dhananjaya Saranath, Anirvan Chatterjee, Nerges Mistry
Alternate mechanisms of drug resistance involving intrinsic defense pathways play an important role in development of drug resistance. Deregulation of drug efflux, cellular metabolism, and DNA repair have been indicated to have effect on drug tolerance and persistence. Here we chose eight genes from these pathways to investigate their association with development of multidrug resistance (MDR). We generated mono drug resistant and MDR strains of rifampicin and isoniazid and examined the differential expression of genes belonging to efflux, DNA repair and cell wall lipid synthesis pathways...
November 16, 2017: Current Microbiology
https://www.readbyqxmd.com/read/29143777/margination-of-fluorescent-polylactic-acid-polyaspartamide-based-nanoparticles-in-microcapillaries-in-vitro-the-effect-of-hematocrit-and-pressure
#14
Emanuela Fabiola Craparo, Rosa D'Apolito, Gaetano Giammona, Gennara Cavallaro, Giovanna Tomaiuolo
The last decade has seen the emergence of vascular-targeted drug delivery systems as a promising approach for the treatment of many diseases, such as cardiovascular diseases and cancer. In this field, one of the major challenges is carrier margination propensity (i.e., particle migration from blood flow to vessel walls); indeed, binding of these particles to targeted cells and tissues is only possible if there is direct carrier-wall interaction. Here, a microfluidic system mimicking the hydrodynamic conditions of human microcirculation in vitro is used to investigate the effect of red blood cells (RBCs) on a carrier margination in relation to RBC concentration (hematocrit) and pressure drop...
October 28, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29143549/negative-impact-of-hyperglycaemia-on-mouse-alveolar-development
#15
Mei-Yao He, Guang Wang, Sha-Sha Han, Ke Li, Ya Jin, Meng Liu, Zhen-Peng Si, Ju Wang, Guo-Sheng Liu, Xuesong Yang
Diabetes mellitus in pregnancy has been known to affect the embryonic development of various systems, including cardiovascular and nervous systems. However, whether this disease could have a negative impact on embryonic respiratory system remains controversial. In this study, we demonstrated that pregestational diabetes mellitus (PGDM)-induced defects in lung development in mice are mainly characterized by the changes in the morphological structure of the lung. Immunostaining and Western blotting showed that proliferation increased and apoptosis decreased in PGDM...
November 16, 2017: Cell Cycle
https://www.readbyqxmd.com/read/29143530/modulation-of-spatio-temporal-particle-patterning-in-evaporating-droplets-applications-to-diagnostics-and-materials-science
#16
Rajarshi Guha, Farzad Mohajerani, Ahana Mukhopadhyay, Matthew Collins, Ayusman Sen, Darrell Velegol
Spatio-temporal particle patterning in evaporating droplets lacks a common design framework. Here, we demonstrate autonomous control of particle distribution in evaporating droplets through the imposition of a salt-induced self-generated electric field as a generalized patterning strategy. Through modeling, a new dimensionless number, termed "capillary-phoresis number" (CP), arises which determines the relative contributions of electrokinetic and convective transport to pattern formation, enabling one to accurately predict the mode of particle assembly by controlling the spontaneous electric field and surface potentials...
November 16, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29142414/growth-arresting-activity-of-acmella-essential-oil-and-its-isolated-component-d-limonene-1-8-p-mentha-diene-against-trichophyton-rubrum-microbial-type-culture-collection-296
#17
Diptikanta Padhan, Smaranika Pattnaik, Ajaya Kumar Behera
Background: Spilanthes acmella is used as a remedy in toothache complaints by the tribal people of Western part of Odisha, India. Objective: The objective of this study was to study the growth-arresting activity of an indigenous Acmella essential oil (EO) (S. acmella Murr, Asteraceae) and its isolated component, d-limonene against Trichophyton rubrum (microbial type culture collection 296). Materials and Methods: The EO was extracted from flowers of indigenous S...
October 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/29142252/gallic-acid-reduces-blood-pressure-and-attenuates-oxidative-stress-and-cardiac-hypertrophy-in-spontaneously-hypertensive-rats
#18
Li Jin, Zhe Hao Piao, Simei Sun, Bin Liu, Gwi Ran Kim, Young Mi Seok, Ming Quan Lin, Yuhee Ryu, Sin Young Choi, Hae Jin Kee, Myung Ho Jeong
Gallic acid (GA) has been reported to have beneficial effects on cancer, vascular calcification, and diabetes-induced myocardial dysfunction. We hypothesized that GA controls hypertension via oxidative stress response regulation in an animal model for essential hypertension. Spontaneously hypertensive rats (SHRs) were administered GA for 16 weeks. GA treatment lowered elevated systolic blood pressure in SHRs through the inhibition of vascular contractility and components of the renin-angiotensin II system. In addition, GA administration reduced aortic wall thickness and body weight in SHRs...
November 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29142168/background-data-on-nod-shi-scid-il-2r%C3%AE-null-mice-nog-mice
#19
Kenichiro Kasahara, Yachiyo Fukunaga, Saori Igura, Rie Andoh, Tsubasa Saito, Isamu Suzuki, Hiroyuki Kanemitsu, Daisuke Suzuki, Ken Goto, Daichi Nakamura, Masahiro Mochizuki, Masahiko Yasuda, Ryo Inoue, Kazutoshi Tamura, Mariko Nagatani
To obtain background data of NOD/Shi-scid IL-2Rγ(null) (NOG) mice, severely immunedeficient mice, a total of 120 animals were examined at 7, 26 and 52 weeks-old (20 mice/sex/group). The survival rate at 52 weeks-old was 95% (19/20) in both sexes. Clinically, circling behavior in one direction along the cage wall was observed in males after 8 weeks and females after 47 weeks-old, and hunchback position was found in males after 32 weeks-old. Hematologically, lymphocyte count markedly decreased at all ages, while white blood cell count increased in several mice at 52 weeks-old...
2017: Journal of Toxicological Sciences
https://www.readbyqxmd.com/read/29142002/toll-like-receptor-2-has-a-prominent-but-nonessential-role-in-innate-immunity-to-staphylococcus-aureus-pneumonia
#20
Shawn J Skerrett, Marissa H Braff, H Denny Liggitt, Craig E Rubens
Staphylococcus aureus is an important cause of acute bacterial pneumonia. Toll-like receptor 2 (TLR2) recognizes multiple components of the bacterial cell wall and activates innate immune responses to gram-positive bacteria. We hypothesized that TLR2 would have an important role in pulmonary host defense against S. aureus TLR null (TLR2(-/-)) mice and wild type (WT) C57BL/6 controls were challenged with aerosolized S. aureus at a range of inocula for kinetic studies of cytokine and antimicrobial peptide expression, lung inflammation, bacterial killing by alveolar macrophages, and bacterial clearance...
November 2017: Physiological Reports
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