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https://www.readbyqxmd.com/read/28101174/protective-effects-of-resveratrol-on-autologous-nucleus-pulposus-model-of-radiculopathy
#1
Bin Lin, Hui Yu, Yongzhi He, Yang Xu, Wenbin Zhang, Chengwu Lu, Qingfang Ao
Nucleus pulposus (NP) has been suggested to trigger an autoimmune response if exposed to the immune system, which plays a key role in neuropathic pain. Therefore, appropriate suppression of inflammation is a key factor for treating the radiculopathy caused by intervertebral disk (IVD) degeneration. Resveratrol, a key component of red wine, has been suggested to exhibit anti-inflammatory properties in vitro and in vivo. However, the effects of resveratrol on NP-mediated pain in vivo have not been studied. The aim of the present study was to investigate whether resveratrol may be useful in treating NP-mediated pain in an autologous NP model of radiculopathy...
December 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28099582/a-simple-and-efficient-method-for-poly-3-hydroxybutyrate-quantification-in-diazotrophic-bacteria-within-5-minutes-using-flow-cytometry
#2
L P S Alves, A T Almeida, L M Cruz, F O Pedrosa, E M de Souza, L S Chubatsu, M Müller-Santos, G Valdameri
The conventional method for quantification of polyhydroxyalkanoates based on whole-cell methanolysis and gas chromatography (GC) is laborious and time-consuming. In this work, a method based on flow cytometry of Nile red stained bacterial cells was established to quantify poly-3-hydroxybutyrate (PHB) production by the diazotrophic and plant-associated bacteria, Herbaspirillum seropedicae and Azospirillum brasilense. The method consists of three steps: i) cell permeabilization, ii) Nile red staining, and iii) analysis by flow cytometry...
January 16, 2017: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
https://www.readbyqxmd.com/read/28098796/comparative-metabolite-profiling-of-triterpenoid-saponins-and-flavonoids-in-flower-color-mutations-of-primula-veris-l
#3
Lysanne Apel, Dietmar R Kammerer, Florian C Stintzing, Otmar Spring
Primula veris L. is an important medicinal plant with documented use for the treatment of gout, headache and migraine reaching back to the Middle Ages. Triterpenoid saponins from roots and flowers are used in up-to-date phytotherapeutic treatment of bronchitis and colds due to their expectorant and secretolytic effects. In addition to the wild type plants with yellow petals, a red variant and an intermediate orange form of Primula veris L. have recently been found in a natural habitat. The secondary metabolite profiles of roots, leaves and flowers of these rare variants were investigated and compared with the wild type metabolome...
January 13, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28095073/preclinical-and-potential-applications-of-common-western-herbal-supplements-as-complementary-treatment-in-parkinson-s-disease
#4
Luke A Morgan, Oliver Grundmann
Parkinson's disease (PD) is a neurological disorder with a complex pathological etiology, which is not fully understood. Progression of PD may be the result of a buildup of iron in the substantia nigra, microglia-mediated neuroinflammation, dysfunctional mitochondria, or abnormal protein handling. Dopamine is the main neurotransmitter affected, but as the disease progresses, a decrease in all the brain's biogenic amines occurs. Current medication used in the treatment of PD aims to prevent the breakdown of dopamine or increase dopaminergic neurotransmission in the central nervous system...
January 17, 2017: Journal of Dietary Supplements
https://www.readbyqxmd.com/read/28081213/transcriptome-profiling-to-understand-the-effect-of-citrus-rootstocks-on-the-growth-of-shatangju-mandarin
#5
Xiang-Yu Liu, Juan Li, Meng-Meng Liu, Qing Yao, Jie-Zhong Chen
To obtain insight into potential mechanisms underlying the influence of rootstock on scion growth, we performed a comparative analysis of 'Shatangju' mandarin grafted onto 5 rootstocks: Fragrant orange (Citrus junons Sieb. ex. Tanaka), Red tangerine (Citrus reticulata Blanco), 'Shatangju' mandarin (Citrus reticulata Blanco), Rough lemon (Citrus jambhiri Lush) and Canton lemon (Citrus limonia Osbeck). The tree size of 'Shatangju' mandarin grafted onto Canton lemon and Rough lemon were the largest, followed by self-rooted rootstock trees, and the lowest tree sizes correspond to ones grafted on Red tangerine and Fragrant orange rootstocks...
2017: PloS One
https://www.readbyqxmd.com/read/28074535/gene-ages-nomenclatures-and-functional-diversification-of-the-methuselah-methuselah-like-gpcr-family-in-drosophila-and-tribolium
#6
REVIEW
Markus Friedrich, Jeffery W Jones
Affecting lifespan regulation and oxidative stress resistance, the G-protein coupled receptor (GPCR) gene methuselah (mth) plays important roles in the life history of Drosophila melanogaster. Substantial progress has been made in elucidating the molecular pathways by which mth affects these traits, yet conflicting ideas exist as to how old these genetic interactions are as well as how old the mth gene itself is. Root to these issues is the complex gene family history of the Mth/Mthl GPCR family, which experienced independent expansions in a variety of animal clades, leading to at least six subfamilies in insects...
January 11, 2017: Journal of Experimental Zoology. Part B, Molecular and Developmental Evolution
https://www.readbyqxmd.com/read/28071025/the-effect-of-thermal-treatment-on-antioxidant-capacity-and-pigment-contents-in-separated-betalain-fractions
#7
Katarzyna Mikołajczyk-Bator, Sylwia Pawlak
BACKGROUND: Increased consumption of fruits and vegetables significantly reduces the risk of cardio-vascular disease. This beneficial effect on the human organism is ascribed to the antioxidant compounds these foods contain. Unfortunately, many products, particularly vegetables, need to be subjected to thermal processing before consumption. The aim of this study was to determine the effect of such thermal treatment on the antioxidant capacity and pigment contents in separated fractions of violet pigments (betacyanins) and yellow pigments (betaxanthins and betacyanins)...
July 2016: Acta Scientiarum Polonorum. Technologia Alimentaria
https://www.readbyqxmd.com/read/28062285/a-review-on-strategies-for-decreasing-e-%C3%A2-coli-o157-h7-risk-in-animals
#8
REVIEW
Pardis Saeedi, Maryam Yazdanparast, Elham Behzadi, Ali Hatef Salmanian, Seyed Latif Mousavi, Shahram Nazarian, Jafar Amani
Enterohemorrhagic Escherichia coli (EHEC) serotype O157:H7 is a food-borne pathogen that younger children are most prone to this microorganism. Hemolytic Uremic Syndrome (HUS) caused by EHEC, leads to the destruction of red blood cells and kidney failure. The virulence of E.coli O157:H7 is attributed to fimbriae, that facilitate colonization of bacteria within the colon and verotoxins (VT) or Shiga toxins (Stx) that are released into the blood. Although, in most cases, the infection is self-limitedin young children and aged population, it may cause HUS...
January 3, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28049063/activity-of-pericampylus-glaucus-and-periglaucine-a-in-vitro-against-nasopharangeal-carcinoma-and-anti-inflammatory-activity
#9
Fiona Natalia Shipton, Teng-Jin Khoo, Md Shahadat Hossan, Christophe Wiart
ETHNOPHARMACOLOGICAL RELEVANCE: P. glaucus is a climbing plant found across Asia and used in traditional medicine to treat a number of conditions including splenomegaly, fever, cough, laryngitis, pulmonary disease, asthma, headache, hair loss, snake bite, boar bite, factures, boils, tumours, tetanus, rheumatic pain, itches and eclampsia. AIM OF THE STUDY: To test extracts of P. glaucus in a number of bioassays and determine the legitimacy of its traditional use...
December 31, 2016: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28035639/mycobacterium-infection-from-a-cardiopulmonary-bypass-heater-cooler-unit-in-a-patient-with-steroid-induced-immunosuppression
#10
Yi Cai, Kevin Landolfo, Johnathan R Renew
PURPOSE: To present a case of mycobacterium infection transmitted through a heater-cooler unit during cardiac bypass surgery. CLINICAL FEATURES: A 63-yr-old woman with a past medical history of aortic coarctation repair in 1963 and a mechanical aortic valve replacement in 2010 was prescribed antibiotics and steroids at an outpatient care facility in September 2015 for symptoms of an upper respiratory tract infection. Four months later, she developed malaise and intermittent fever with anemia and acute kidney dysfunction...
December 29, 2016: Canadian Journal of Anaesthesia, Journal Canadien D'anesthésie
https://www.readbyqxmd.com/read/28032014/cover-picture-rapid-naked-eye-discrimination-of-cytochrome-p450-genetic-polymorphism-through-non-crosslinking-aggregation-of-dna-functionalized-gold-nanoparticles-chemistryopen-6-2016
#11
Yoshitsugu Akiyama, Guoqing Wang, Shota Shiraishi, Naoki Kanayama, Tohru Takarada, Mizuo Maeda
The Front Cover picture shows a colorimetric single-nucleotide polymorphism (SNP) genotyping method using spontaneous aggregation of DNA-modified gold nanoparticles (DNA-AuNPs). Simple and rapid SNP genotyping of the human cytochrome P450 2C19 monooxygenase gene is reported. Allele-specific single-base primer extension using a fragment of the gene isolated from human hair roots, followed by salt-induced aggregation of DNA-AuNPs, results in a rapid color change from red to blue or no color change, thereby allowing SNP discrimination by the naked eye...
December 2016: ChemistryOpen
https://www.readbyqxmd.com/read/28031475/physiological-characterization-of-a-plant-mitochondrial-calcium-uniporter-in-vitro-and-in-vivo
#12
Enrico Teardo, Luca Carraretto, Stephan Wagner, Elide Formentin, Smrutisanjita Behera, Sara De Bortoli, Veronique Larosa, Philippe Fuchs, Fiorella Lo Lo Schiavo, Anna Raffaello, Rosario Rizzuto, Alex Costa, Markus Schwarzländer, Ildiko Szabo
Over the recent years, several proteins that make up the mitochondrial calcium uniporter complex (MCUC) mediating Ca2+uptake into the mitochondrial matrix have been identified in mammals, including the channel-forming protein MCU. Although six MCU gene homologs are conserved in the model plant Arabidopsis in which mitochondria can accumulate Ca2+, a functional characterization of plant MCU homologs has been lacking. Using electrophysiology we show that one isoform, AtMCU1, gives rise to a Ca2+-permeable channel activity that can be observed even in the absence of accessory proteins implicated in the formation of the active mammalian channel...
December 28, 2016: Plant Physiology
https://www.readbyqxmd.com/read/28018371/thermal-time-model-for-egyptian-broomrape-phelipanche-aegyptiaca-parasitism-dynamics-in-carrot-daucus-carota-l-field-validation
#13
Amnon Cochavi, Baruch Rubin, Guy Achdari, Hanan Eizenberg
Carrot, a highly profitable crop in Israel, is severely damaged by Phelipanche aegyptiaca parasitism. Herbicides can effectively control the parasite and prevent damage, but for optimal results, knowledge about the soil-subsurface phenological stage of the parasite is essential. Parasitism dynamics models have been successfully developed for the parasites P. aegyptiaca, Orobanche cumana, and Orobanche minor in the summer crops, tomato, sunflower, and red clover, respectively. However, these models, which are based on a linear relationship between thermal time and the parasitism dynamics, may not necessarily be directly applicable to the P...
2016: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28007219/putative-origins-of-the-fungus-leptographium-procerum
#14
Stephen J Taerum, Thierry B Hoareau, Tuan A Duong, Z Wilhelm de Beer, Robert Jankowiak, Michael J Wingfield
Appropriate management of invasive fungi requires adequate understanding of their global diversities and movement histories. The fungus Leptographium procerum is associated with root-colonizing forest insects in pine forests throughout the world, and may have contributed to the aggressive behaviour of the red turpentine beetle (Dendroctonus valens) in the beetle's invasive range in China. We used microsatellites and mating type loci to investigate the global diversity of L. procerum and the source population of L...
January 2017: Fungal Biology
https://www.readbyqxmd.com/read/27999990/carotenoid-gene-expression-explains-the-difference-of-carotenoid-accumulation-in-carrot-root-tissues
#15
Florent Perrin, Laura Hartmann, Cécile Dubois-Laurent, Ralf Welsch, Sébastien Huet, Latifa Hamama, Mathilde Briard, Didier Peltier, Séverine Gagné, Emmanuel Geoffriau
Main conclusion Variations in gene expression can partially explain the difference of carotenoid accumulation in secondary phloem and xylem of fleshy carrot roots. The carrot root is well divided into two different tissues separated by vascular cambium: the secondary phloem and xylem. The equilibrium between these two tissues represents an important issue for carrot quality, but the knowledge about the respective carotenoid accumulation is sparse. The aim of this work was (i) to investigate if variation in carotenoid biosynthesis gene expression could explain differences in carotenoid content in phloem and xylem tissues and (ii) to investigate if this regulation is differentially modulated in the respective tissues by water-restricted growing conditions...
December 20, 2016: Planta
https://www.readbyqxmd.com/read/27996079/parasite-transmission-among-relatives-halts-red-queen-dynamics
#16
Philip B Greenspoon, Nicole Mideo
The theory that coevolving hosts and parasites create a fluctuating selective environment for one another (i.e., produce Red Queen dynamics) has deep roots in evolutionary biology; yet, empirical evidence for Red Queen dynamics remains scarce. Fluctuating coevolutionary dynamics underpin the Red Queen Hypothesis for the evolution of sex, as well as hypotheses explaining the persistence of genetic variation under sexual selection, local parasite adaptation, the evolution of mutation rate and the evolution of non-random mating...
December 20, 2016: Evolution; International Journal of Organic Evolution
https://www.readbyqxmd.com/read/27989178/theoretical-insights-into-halogenated-uranium-cyanide-isocyanide-compounds
#17
Zhengguo Huang, Le Sun, Yuan Yuan, Yuying Li, Xiaohong Wang
Two kinds of halogenated uranium cyanide/isocyanide compounds, XUCN and XUNC (X = halogen) formed by the insertion of uranium atom into X-C(N) bonds of XCN (or XNC), were investigated by DFT and ab initio methods. Although XNC is less stable thermodynamically than XCN, XUNC is more stable than XUCN and is expected to be prepared and characterized in matrix isolation experiments. The C-N stretching vibration mode (νC-N) is the primary fingerprint for the identification of these isomers due to its red-shift character with respect to the relevant precursor...
December 19, 2016: Inorganic Chemistry
https://www.readbyqxmd.com/read/27965677/nitric-oxide-overproduction-in-tomato-shr-mutant-shifts-metabolic-profiles-and-suppresses-fruit-growth-and-ripening
#18
Reddaiah Bodanapu, Suresh K Gupta, Pinjari O Basha, Kannabiran Sakthivel, Sadhana, Yellamaraju Sreelakshmi, Rameshwar Sharma
Nitric oxide (NO) plays a pivotal role in growth and disease resistance in plants. It also acts as a secondary messenger in signaling pathways for several plant hormones. Despite its clear role in regulating plant development, its role in fruit development is not known. In an earlier study, we described a short root (shr) mutant of tomato, whose phenotype results from hyperaccumulation of NO. The molecular mapping localized shr locus in 2.5 Mb region of chromosome 9. The shr mutant showed sluggish growth, with smaller leaves, flowers and was less fertile than wild type...
2016: Frontiers in Plant Science
https://www.readbyqxmd.com/read/27964981/aortic-root-surgery-with-circulatory-arrest-predictors-of-prolonged-postoperative-hospital-stay
#19
Ourania Preventza, Joseph S Coselli, Andrea Garcia, Shahab Akvan, Sarang Kashyap, Katherine H Simpson, Matt D Price, Kim I de la Cruz, Konstantinos Spiliotopoulos, Lorraine D Cornwell, Faisal G Bakaeen, Shuab Omer, Denton A Cooley
OBJECTIVE: Little is known about the outcomes of aortic root operations that involve inducing hypothermic circulatory arrest for relatively extensive proximal aortic surgery. We attempted to identify predictors of postoperative hospital length of stay (LOS) and factors that affect postoperative recovery. METHODS: During 2006-2014, 247 of 265 patients (93.2%) with disease extending into the aortic arch survived aortic root operations (206 elective, 41 urgent/emergent) in which hypothermic circulatory arrest with moderate hypothermia was used...
November 16, 2016: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/27956075/natural-product-htp-screening-for-attenuation-of-cytokine-induced-neutrophil-chemo-attractants-cincs-and-no2-in-lps-ifn%C3%AE-activated-glioma-cells
#20
Elizabeth A Mazzio, David Bauer, Patricia Mendonca, Equar Taka, Karam F A Soliman
Chronic and acute central nervous system (CNS) inflammation are contributors toward neurological injury associated with head trauma, stroke, infection, Parkinsons or Alzheimers disease. CNS inflammatory illnesses can also contribute toward risk of developing glioblastoma multiforme (GBM). With growing public interest in complementary and alternative medicines (CAMs), we conduct a high throughput (HTP) screening of >1400 natural herbs, plants and over the counter (OTC) products for anti-inflammatory effects on lipopolysaccharide (LPS)/interferon gamma (IFNγ) activated C6 glioma cells...
January 15, 2017: Journal of Neuroimmunology
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