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https://www.readbyqxmd.com/read/28509826/sclerostin-antibody-treatment-enhances-rotator-cuff-tendon-to-bone-healing-in-an-animal-model
#1
Shivam A Shah, Ioannis Kormpakis, Necat Havlioglu, Michael S Ominsky, Leesa M Galatz, Stavros Thomopoulos
BACKGROUND: Rotator cuff tears are a common source of pain and disability, and poor healing after repair leads to high retear rates. Bone loss in the humeral head before and after repair has been associated with poor healing. The purpose of the current study was to mitigate bone loss near the repaired cuff and improve healing outcomes. METHODS: Sclerostin antibody (Scl-Ab) treatment, previously shown to increase bone formation and strength in the setting of osteoporosis, was used in the current study to address bone loss and enhance rotator cuff healing in an animal model...
May 17, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28496205/characterisation-of-a-3-hydroxypropionic-acid-inducible-system-from-pseudomonas-putida-for-orthogonal-gene-expression-control-in-escherichia-coli-and-cupriavidus-necator
#2
Erik K R Hanko, Nigel P Minton, Naglis Malys
3-hydroxypropionic acid (3-HP) is an important platform chemical used as a precursor for production of added-value compounds such as acrylic acid. Metabolically engineered yeast, Escherichia coli, cyanobacteria and other microorganisms have been developed for the biosynthesis of 3-HP. Attempts to overproduce this compound in recombinant Pseudomonas denitrificans revealed that 3-HP is consumed by this microorganism using the catabolic enzymes encoded by genes hpdH, hbdH and mmsA. 3-HP-inducible systems controlling the expression of these genes have been predicted in proteobacteria and actinobacteria...
May 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28495518/prenatal-exposure-to-low-dose-diclofenac-sodium-does-not-affect-total-neuron-numbers-in-spinal-segment-t13-in-rats
#3
Murat Çetin Ragbetli, Mikail Kara, Neşe Çölçimen, Necat Koyun, Gamze Çakmak, Veysel Akyol, Omur Gulsum Deniz, Kıymet Kübra Yurt
The main purpose of the present study was to investigate the effects of diclofenac sodium (DS) on the total number of neurons in segment T13 of the spinal cord of offspring of pregnant rats using stereological methods. Eighteen adult female Wistar albino rats weighing 150-200g were used. Pregnant female rats were divided into three groups; a control group, a sham group and a DS (1mg/kg, intramuscular) exposed group. The DS and sham groups received injection from the 5(th) day of gestation to the 19(th). 28 days after birth, the offspring rats were perfused with 4% buffered formalin...
May 8, 2017: Journal of Chemical Neuroanatomy
https://www.readbyqxmd.com/read/28489889/an-environmental-assessment-and-risk-map-of-ascaris-lumbricoides-and-necator-americanus-distributions-in-manufahi-district-timor-leste
#4
Rebecca Wardell, Archie C A Clements, Aparna Lal, David Summers, Stacey Llewellyn, Suzy J Campbell, James McCarthy, Darren J Gray, Susana V Nery
BACKGROUND: In Timor-Leste there have been intermittent and ineffective soil-transmitted helminth (STH) deworming programs since 2004. In a resource-constrained setting, having information on the geographic distribution of STH can aid in prioritising high risk communities for intervention. This study aimed to quantify the environmental risk factors for STH infection and to produce a risk map of STH in Manufahi district, Timor-Leste. METHODOLOGY/PRINCIPAL FINDINGS: Georeferenced cross-sectional data and stool samples were obtained from 2,194 participants in 606 households in 24 villages in the Manufahi District as part of cross sectional surveys done in the context of the "WASH for Worms" randomised controlled trial...
May 10, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28476592/biosynthesis-of-p-3hb-co-3hhx-with-improved-molecular-weights-from-a-mixture-of-palm-olein-and-fructose-by-cupriavidus-necator-re2058-pcb113
#5
Paramasivam Murugan, Chee-Yuen Gan, Kumar Sudesh
A combination of palm olein (POl) and fructose was used as carbon source for the biosynthesis of poly(3-hydroxybutyrate-co-3-hydroxyhexanoate) [P(3HB-co-3HHx)] by recombinant Cupriavidus necator Re2058/pCB113. Cultures grown using 5g/L PO alone as carbon source produced cell dry weight (CDW) of 5.13g/L, 67% PHA/CDW and accumulated a copolymer containing 27mol% 3HHx in shake flask cultures. When cultures were grown in 5g/L fructose alone as the carbon source they produced CDW of 2.32g/L, 11% PHA/CDW and accumulated only poly(3-hydroxybutyrate) [P(3HB)] homopolymer...
May 2, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28470373/expression-patterns-and-promoter-characteristics-of-the-vitis-quinquangularis-vqsts36-gene-involved-in-abiotic-and-biotic-stress-response
#6
Xiangjing Yin, Li Huang, Xiuming Zhang, Chunlei Guo, Hao Wang, Zhi Li, Xiping Wang
Resveratrol is a stilbene compound that is synthesized by plants in response to biotic stress and has been linked to health benefits associated with the consumption of certain foods and food products, such as grapes and wine. The final step in the biosynthesis of resveratrol is catalyzed by the enzyme stilbene synthase (STS). Here, we assessed the expression of two STS genes (VqSTS36 and VpSTS36) from the wild grape species Vitis quinquangularis (accession 'Shang-24'; powdery mildew (PM) resistant) and Vitis pseudoreticulata (accession 'Hunan-1'; PM susceptible) following infection by Uncinula necator (Schw...
May 4, 2017: Protoplasma
https://www.readbyqxmd.com/read/28456470/simple-and-rapid-method-for-isolation-and-quantitation-of-polyhydroxyalkanoate-by-sds-sonication-treatment
#7
Hisashi Arikawa, Shunsuke Sato, Tetsuya Fujiki, Keiji Matsumoto
We developed a new method for isolation and quantitation of polyhydroxyalkanoate (PHA) from culture broth. In this method, the cells were sonicated in sodium dodecyl sulfate (SDS) solution and centrifuged to recover PHA. The recovered PHA was rinsed with deionized water and ethanol, and then weighed after drying. Hazardous chemicals such as chloroform, methanol, and sulfuric acid were not used, and no expensive analytical instruments were needed. We applied this method to Cupriavidus necator culture broths that included various amounts of poly(3-hydroxybutyrate) (PHB) or poly(3-hydroxybutyrate-co-3-hydroxyhexanoate) (PHBHHx) from flasks and jar fermentors...
April 26, 2017: Journal of Bioscience and Bioengineering
https://www.readbyqxmd.com/read/28446233/no-impact-of-strongylid-infections-on-the-detection-of-plasmodium-spp-in-faeces-of-western-lowland-gorillas-and-eastern-chimpanzees
#8
Mwanahamisi I Mapua, Barbora Pafčo, Jade Burgunder, Ilona Profousová-Pšenková, Angelique Todd, Chie Hashimoto, Moneeb A Qablan, David Modrý, Klára J Petrželková
BACKGROUND: Although a high genetic diversity of Plasmodium spp. circulating in great apes has been revealed recently due to non-invasive methods enabling detection in faecal samples, little is known about the actual mechanisms underlying the presence of Plasmodium DNA in faeces. Great apes are commonly infected by strongylid nematodes, including hookworms, which cause intestinal bleeding. The impact of strongylid infections on the detection of Plasmodium DNA in faeces was assessed in wild, western, lowland gorillas from Dzanga Sangha Protected Areas, Central African Republic and eastern chimpanzees from Kalinzu Forest Reserve, Uganda...
April 26, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28434228/rapid-biodegradation-of-the-herbicide-2-4-dichlorophenoxyacetic-acid-by-cupriavidus-gilardii-t-1
#9
Xiangwei Wu, Wenbo Wang, Junwei Liu, Dandan Pan, Xiaohui Tu, Pei Lv, Yi Wang, Haiqun Cao, Yawen Wang, Rimao Hua
Phytotoxicity and environmental pollution of residual herbicides have caused much public concern during the past several decades. An indigenous bacterial strain capable of degrading 2,4-dichlorophenoxyacetic acid (2,4-D), designated T-1, was isolated from soybean field soil and identified as Cupriavidus gilardii. Strain T-1 degraded 2,4-D 3.39 times more rapidly than the model strain Cupriavidus necator JMP134. T-1 could also efficiently degrade 2-methyl-4-chlorophenoxyacetic acid (MCPA), MCPA isooctyl ester, and 2-(2,4-dichlorophenoxy)propionic acid (2,4-DP)...
May 1, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28401146/effects-of-bunch-rot-botrytis-cinerea-and-powdery-mildew-erysiphe-necator-fungal-diseases-on-wine-aroma
#10
Angela Lopez Pinar, Doris Rauhut, Ernst Ruehl, Andrea Buettner
This study aimed to characterize the effects of bunch rot and powdery mildew on the primary quality parameter of wine, the aroma. The influence of these fungal diseases was studied by comparative Aroma Extract Dilution Analyses (AEDA) and sensory tests. The effect of bunch rot was investigated on three grape varieties, namely White Riesling, Red Riesling and Gewürztraminer and that of powdery mildew on the hybrid Gm 8622-3; thereby, samples were selected that showed pronounced cases of infection to elaborate potential currently unknown effects...
2017: Frontiers in Chemistry
https://www.readbyqxmd.com/read/28390393/regulatory-monocytes-in-helminth-infections-insights-from-the-modulation-during-human-hookworm-infection
#11
Lívia Silva Araújo Passos, Pedro Henrique Gazzinelli-Guimarães, Tiago Antônio de Oliveira Mendes, Ana Clara Gazzinelli Guimarães, Denise da Silveira Lemos, Natasha Delaqua Ricci, Ricardo Gonçalves, Daniella Castanheira Bartholomeu, Ricardo Toshio Fujiwara, Lilian Lacerda Bueno
BACKGROUND: While the macrophage polarization is well characterized in helminth infections, the natural heterogeneity of monocytes with multiple cell phenotypes might influence the outcome of neglected diseases, such hookworm infection. Here, we report the profile of monocytes in human hookworm infections as a model to study the regulatory subpopulation of monocytes in helminth infections. METHODS: Blood samples were collected from 19 Necator americanus-infected individuals and 13 healthy individuals...
April 8, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28385521/acid-pretreatment-and-enzymatic-saccharification-of-brown-seaweed-for-polyhydroxybutyrate-phb-production-using-cupriavidus-necator
#12
Nahid Azizi, Ghasem Najafpour, Habibollah Younesi
The brown seaweed Sargassum sp. was used as a feedstock to produce polyhydroxybutyarte (PHB) using Cupriavidus necator PTCC 1615. In order to release monomeric sugars, dilute acid hydrolysis of Sargassum sp. biomass was followed by enzymatic saccharification. In addition, the effect of different nitrogen sources was evaluated for PHB production. The fermentation of hydrolysate with the ammonium sulfate as selected nitrogen source resulted PHB yield of 0.54±0.01g/g reducing sugar. Then, NaCl was used as external stress factor which was added to the media...
April 3, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28369599/ring-h2-type-e3-gene-vprh2-from-vitis-pseudoreticulata-improves-resistance-to-powdery-mildew-by-interacting-with-vpgrp2a
#13
Lei Wang, Xiaoqing Xie, Wenkong Yao, Jie Wang, Fuli Ma, Chen Wang, Yazhou Yang, Weihuo Tong, Jianxia Zhang, Yan Xu, Xiping Wang, Chaohong Zhang, Yuejin Wang
Grapevine is one of the world's most important fruit crops. European cultivated grape species have the best fruit quality but show almost no resistance to powdery mildew (PM). PM caused by Uncinula necator is a harmful disease that has a significant impact on the economic value of the grape crop. In this study, we examined a RING-H2-type ubiquitin ligase gene VpRH2 that is associated with significant PM-resistance of Chinese wild-growing grape Vitis pseudoreticulata accession Baihe-35-1. The expression of VpRH2 was clearly induced by U...
March 1, 2017: Journal of Experimental Botany
https://www.readbyqxmd.com/read/28356887/pre-test-and-post-test-applications-to-shape-the-education-of-phlebotomists-in-a-quality-management-program-an-experience-in-a-training-hospital
#14
Güzin Aykal, Mustafa Keşapli, Özgür Aydin, Hatice Esen, Ayşenur Yeğin, Faruk Güngör, Necat Yilmaz
BACKGROUND: After the introduction of modern laboratory instruments and information systems, preanalytic phase is the new field of battle. Errors in preanalytical phase account for approximately half of total errors in clinical laboratory. The objective of this study was to share an experience of an education program that was believed to be successful in decreasing the number of rejected samples received from the Emergency Department (ED). METHODS: An education program about laboratory procedures, quality requirements in the laboratory, patient and health-care worker safety was planned by the quality team to be performed on 36 people who were responsible for sample collection in the ED...
September 2016: Journal of Medical Biochemistry
https://www.readbyqxmd.com/read/28349670/metabolic-engineering-to-expand-the-substrate-spectrum-of-pseudomonas-putida-toward-sucrose
#15
Hannes Löwe, Lukas Schmauder, Karina Hobmeier, Andreas Kremling, Katharina Pflüger-Grau
Sucrose is an important disaccharide used as a substrate in many industrial applications. It is a major component of molasses, a cheap by-product of the sugar industry. Unfortunately, not all industrially relevant organisms, among them Pseudomonas putida, are capable of metabolizing sucrose. We chose a metabolic engineering approach to circumvent this blockage and equip P. putida with the activities necessary to consume sucrose. Therefore, we constructed a pair of broad-host range mini-transposons (pSST - sucrose splitting transposon), carrying either cscA, encoding an invertase able to split sucrose into glucose and fructose, or additionally cscB, encoding a sucrose permease...
March 27, 2017: MicrobiologyOpen
https://www.readbyqxmd.com/read/28346536/water-sanitation-and-hygiene-wash-and-environmental-risk-factors-for-soil-transmitted-helminth-intensity-of-infection-in-timor-leste-using-real-time-pcr
#16
Suzy J Campbell, Susana V Nery, Rebecca Wardell, Catherine A D'Este, Darren J Gray, James S McCarthy, Rebecca J Traub, Ross M Andrews, Stacey Llewellyn, Andrew J Vallely, Gail M Williams, Archie C A Clements
BACKGROUND: No investigations have been undertaken of risk factors for intensity of soil-transmitted helminth (STH) infection in Timor-Leste. This study provides the first analysis of risk factors for intensity of STH infection, as determined by quantitative PCR (qPCR), examining a broad range of water, sanitation and hygiene (WASH) and environmental factors, among communities in Manufahi District, Timor-Leste. METHODS: A baseline cross-sectional survey of 18 communities was undertaken as part of a cluster randomised controlled trial, with additional identically-collected data from six other communities...
March 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28336269/epidemiology-of-polyparasitism-with-taenia-solium-schistosomes-and-soil-transmitted-helminths-in-the-co-endemic-village-of-malanga-democratic-republic-of-congo
#17
Joule Madinga, Katja Polman, Kirezi Kanobana, Lisette van Lieshout, Eric Brienen, Nicolas Praet, Constantin Kabwe, Sarah Gabriël, Pierre Dorny, Pascal Lutumba, Niko Speybroeck
Helminth co-infections are common in sub-Saharan Africa. However, little is known about the distribution and determinants of co-infections with Taenia solium taeniasis/cysticercosis. Building on a previous community-based study on human cysticercosis in Malanga village, we investigated co-infections with Taenia solium, soil-transmitted helminths (STHs) and Schistosoma spp and associated risk factors in a random subsample of 330 participants. Real time PCR assays were used to detect DNA of soil-transmitted helminths (STHs), T...
March 20, 2017: Acta Tropica
https://www.readbyqxmd.com/read/28319674/assessment-of-circulating-betatrophin-concentrations-in-lean-glucose-tolerant-women-with-polycystic-ovary-syndrome
#18
Onur Erol, Mustafa Kemal Özel, Hamit Yaşar Ellidağ, Tayfun Toptaş, Aysel Uysal Derbent, Necat Yılmaz
The aims of the current study were to investigate the betatrophin levels in lean glucose-tolerant women with polycystic ovary syndrome (PCOS), and to explore the relationships between these levels and antropometric, hormonal and metabolic parameters. The study population consisted of 50 lean (body mass index [BMI] < 25 kg/m(2)) women diagnosed with PCOS using the Rotterdam criteria, and 60 age- and BMI-matched healthy controls without any features of clinical or biochemical hyperandrogenism. Before recruitment, glucose tolerance was evaluated in all of the subjects using the 2-h 75 g oral glucose-tolerance test, and only those exhibiting normal glucose tolerance were enrolled...
March 20, 2017: Journal of Obstetrics and Gynaecology: the Journal of the Institute of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/28318177/can-soluble-transferrin-receptor-be-used-in-diagnosing-iron-deficiency-anemia-and-assessing-iron-response-in-infants-with-moderate-acute-malnutrition
#19
Bahar Büyükkaragöz, Necat A Akgun, Ayse D Bulus, Sultan Durmus Aydogdu, Cengiz Bal
OBJECTIVE: To evaluate the efficacy of soluble transferrin receptor (sTfR) in diagnosing iron deficiency anemia (IDA) and evaluating iron response in infants with moderate acute malnutrition (MAM). POPULATION AND METHODS: Infants with hemoglobin (Hb) levels lower than threshold values for anemia for their ages and hypochromic/ microcytic anemia on peripheral smear were recruited. MAM was defined as weight/height z score < -2 to -3. Complete blood count (CBC), iron parameters and sTfR were compared among 41 infants with MAM and anemia (MA group), 32 infants with anemia without MAM (group A), and healthy controls (n= 30)...
April 1, 2017: Archivos Argentinos de Pediatría
https://www.readbyqxmd.com/read/28290266/improved-diagnosis-of-trichuris-trichiura-by-using-a-bead-beating-procedure-on-ethanol-preserved-stool-samples-prior-to-dna-isolation-and-the-performance-of-multiplex-real-time-pcr-for-intestinal-parasites
#20
Maria M M Kaisar, Eric A T Brienen, Yenny Djuardi, Erliyani Sartono, Maria Yazdanbakhsh, Jaco J Verweij, Taniawati Supali, Lisette VAN Lieshout
For the majority of intestinal parasites, real-time PCR-based diagnosis outperforms microscopy. However, the data for Trichuris trichiura have been less convincing and most comparative studies have been performed in populations with low prevalence. This study aims to improve detection of T. trichuria DNA in human stool by evaluating four sample preparation methods. Faecal samples (n = 60) were collected at Flores island, Indonesia and examined by microscopy. Aliquots were taken and a bead-beating procedure was used both on directly frozen stool and on material preserved with 96% ethanol...
March 14, 2017: Parasitology
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