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https://www.readbyqxmd.com/read/28927490/development-and-validation-of-an-analytical-method-readily-applicable-for-quality-control-of-tabebuia-impetiginosa-taheebo-ethanolic-extract
#1
Yan Jin, Kyung Min Jeong, Jeongmi Lee, Jing Zhao, Su-Young Choi, Kwang-Soo Baek
The dried inner bark of Tabebuia impetiginosa, known as taheebo or red lapacho, has numerous beneficial effects on human health. This study presents the first simple and reliable quantitative method that could serve for the QC of taheebo. The method uses LC–UV spectroscopy to determine the veratric acid (VA; 3,4-dimethoxybenzoic acid) content of taheebo extracts (TEs). Sample preparation entailed the dissolution of TE in methanol (MeOH), facilitated by ultrasonic radiation for 10 min. The optimized conditions included chromatographic separation on an Agilent Eclipse Plus C18 column (4...
September 19, 2017: Journal of AOAC International
https://www.readbyqxmd.com/read/28925734/a-pilot-treatment-study-for-mild-traumatic-brain-injury-neuroimaging-changes-detected-by-meg-after-low-intensity-pulse-based-transcranial-electrical-stimulation
#2
Ming-Xiong Huang, Ashley Robb Swan, Annemarie Angeles Quinto, Scott Matthews, Deborah L Harrington, Sharon Nichols, Barry J Bruder, Corey C Snook, Charles W Huang, Dewleen G Baker, Roland R Lee
BACKGROUND: Mild traumatic brain injury (mTBI) is a leading cause of sustained impairments in military service members, Veterans, and civilians. However, few treatments are available for mTBI, partially because the mechanism of persistent mTBI deficits is not fully understood. METHODS: We used magnetoencephalography (MEG) to investigate neuronal changes in individuals with mTBI following a passive neurofeedback-based treatment programme called IASIS. This programme involved applying low-intensity pulses using transcranial electrical stimulation (LIP-tES) with electroencephalography monitoring...
September 19, 2017: Brain Injury: [BI]
https://www.readbyqxmd.com/read/28924974/incidence-and-predictive-score-for-delayed-hemolytic-transfusion-reaction-in-adult-patients-with-sickle-cell-disease
#3
David Narbey, Anoosha Habibi, Philippe Chadebech, Armand Mekontso-Dessap, Mehdi Khellaf, Jean-Daniel Lelièvre, Bertrand Godeau, Marc Michel, Frédéric Galactéros, Rachid Djoudi, Pablo Bartolucci, France Pirenne
Delayed hemolytic transfusion reaction (DHTR) is a life-threatening complication of transfusion in sickle cell disease (SCD). The frequency of DHTR is underestimated because its symptoms mimic those of vaso-occlusive crisis and antibodies (Abs) are often not detectable. No predictive factors for identifying patients likely to develop DHTR have yet been defined. We conducted a prospective single-center observational study over 30 months in adult sickle cell patients. We included 694 transfusion episodes (TEs) in 311 patients, divided into occasional TEs (OTEs: 360) and chronic transfusion program (CTEs: 334)...
September 19, 2017: American Journal of Hematology
https://www.readbyqxmd.com/read/28923009/apophysomyces-variabilis-draft-genome-sequence-and-comparison-of-predictive-virulence-determinants-with-other-medically-important-mucorales
#4
Hariprasath Prakash, Shivaprakash Mandya Rudramurthy, Prasad S Gandham, Anup Kumar Ghosh, Milner M Kumar, Chandan Badapanda, Arunaloke Chakrabarti
BACKGROUND: Apophysomyces species are prevalent in tropical countries and A. variabilis is the second most frequent agent causing mucormycosis in India. Among Apophysomyces species, A. elegans, A. trapeziformis and A. variabilis are commonly incriminated in human infections. The genome sequences of A. elegans and A. trapeziformis are available in public database, but not A. variabilis. We, therefore, performed the whole genome sequence of A. variabilis to explore its genomic structure and possible genes determining the virulence of the organism...
September 18, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28921831/analysis-of-the-spotted-gar-genome-suggests-absence-of-causative-link-between-ancestral-genome-duplication-and-transposable-element-diversification-in-teleost-fish
#5
Domitille Chalopin, Jean-Nicolas Volff
Teleost fish have been shown to contain many superfamilies of transposable elements (TEs) that are absent from most tetrapod genomes. Since theories predict an increase in TE activity following polyploidization, such diversity might be linked to the 3R whole-genome duplication that occurred approximately 300 million years ago before the teleost radiation. To test this hypothesis, we have analyzed the genome of the spotted gar Lepisosteus oculatus, which diverged from the teleost lineage before the 3R duplication...
September 18, 2017: Journal of Experimental Zoology. Part B, Molecular and Developmental Evolution
https://www.readbyqxmd.com/read/28916874/development-of-cacta-transposon-derived-scar-markers-and-their-use-in-population-structure-analysis-in-zea-mays
#6
Neha Samir Roy, Kyong-Cheul Park, Sung-Il Lee, Min-Ji Im, Rahul Vasudeo Ramekar, Nam-Soo Kim
Molecular marker technologies have proven to be an important breakthrough for genetic studies, construction of linkage maps and population genetics analysis. Transposable elements (TEs) constitute major fractions of repetitive sequences in plants and offer a wide range of possible areas to be explored as molecular markers. Sequence characterized amplified region (SCAR) marker development provides us with a simple and time saving alternative approach for marker development. We employed the CACTA-TD to develop SCARs and then integrated them into linkage map and used them for population structure and genetic diversity analysis of corn inbred population...
September 15, 2017: Genetica
https://www.readbyqxmd.com/read/28914759/isoform-sequencing-provides-a-more-comprehensive-view-of-the-panax-ginseng-transcriptome
#7
Ick-Hyun Jo, Jinsu Lee, Chi Eun Hong, Dong Jin Lee, Wonsil Bae, Sin-Gi Park, Yong Ju Ahn, Young Chang Kim, Jang Uk Kim, Jung Woo Lee, Dong Yun Hyun, Sung-Keun Rhee, Chang Pyo Hong, Kyong Hwan Bang, Hojin Ryu
Korean ginseng (Panax ginseng C.A. Meyer) has been widely used for medicinal purposes and contains potent plant secondary metabolites, including ginsenosides. To obtain transcriptomic data that offers a more comprehensive view of functional genomics in P. ginseng, we generated genome-wide transcriptome data from four different P. ginseng tissues using PacBio isoform sequencing (Iso-Seq) technology. A total of 135,317 assembled transcripts were generated with an average length of 3.2 kb and high assembly completeness...
September 15, 2017: Genes
https://www.readbyqxmd.com/read/28905518/production-of-a-novel-medium-chain-length-poly-3-hydroxyalkanoate-using-unprocessed-biodiesel-waste-and-its-evaluation-as-a-tissue-engineering-scaffold
#8
Pooja Basnett, Barbara Lukasiewicz, Elena Marcello, Harpreet K Gura, Jonathan C Knowles, Ipsita Roy
This study demonstrated the utilization of unprocessed biodiesel waste as a carbon feedstock for Pseudomonas mendocinaCH50, for the production of PHAs. A PHA yield of 39.5% CDM was obtained using 5% (v/v) biodiesel waste substrate. Chemical analysis confirmed that the polymer produced was poly(3-hydroxyhexanoate-co-3-hydroxyoctanoate-co-3-hydroxydecanoate-co-3-hydroxydodecanoate) or P(3HHx-3HO-3HD-3HDD). P(3HHx-3HO-3HD-3HDD) was further characterized and evaluated for its use as a tissue engineering scaffold (TES)...
September 14, 2017: Microbial Biotechnology
https://www.readbyqxmd.com/read/28905348/-a-rare-complication-of-transrectal-electrostimulation-for-sperm-retrieval
#9
Jürgen Pannek, Dirk Leuth, Jens Wöllner
In men who wish to have children after a spinal cord injury, assisted ejaculation is frequently needed for sperm retrieval. Transrectal electrostimulation (TES) is often used for this purpose. Typical side effects of TES are autonomic dysreflexia or pain. In a 33-year old man with complete tetraplegia below C6 since 2004, TES caused massive leg spasticity, leading to transcervical fracture of the femoral neck. This previously unreported complication of TES demonstrates that, in men with long-term chronic tetraplegia, spasticity and osteoporosis, TES in anesthesia should be taken into consideration...
September 13, 2017: Aktuelle Urologie
https://www.readbyqxmd.com/read/28903462/distribution-diversity-and-long-term-retention-of-grass-short-interspersed-nuclear-elements-sines
#10
Hongliang Mao, Hao Wang
Instances of highly conserved plant short interspersed nuclear element (SINE) families and their enrichment near genes have been well documented, but little is known about the general patterns of such conservation and enrichment and underlying mechanisms. Here, we perform a comprehensive investigation of the structure, distribution, and evolution of SINEs in the grass family by analyzing 14 grass and 5 other flowering plant genomes using comparative genomics methods. We identify 61 SINE families composed of 29,572 copies, in which 46 families are first described...
August 1, 2017: Genome Biology and Evolution
https://www.readbyqxmd.com/read/28901734/environmentally-friendly-plasma-treated-pedot-pss-as-electrodes-for-ito-free-perovskite-solar-cells
#11
Bjorn Vaagensmith, Khan Mamun Reza, Md Nazmul Hasan, Hytham Elbohy, Nirmal Adhikari, Ashish Dubey, Nick Kantack, Eman Gaml, Qiquan Qiao
Solution processed poly(3,4-ethylenedioxythiophene):poly(styrene sulfonate) (PEDOT:PSS) transparent electrodes (TEs) offer great potential as a low cost alternative to expensive indium tin oxide (ITO). However, strong acids are typically used for enhancing the conductivity of PEDOT:PSS TEs, which produces processing complexity and environmental issues. This work presents an environmentally friendly acid free approach to enhance the conductivity of PEDOT:PSS using a light oxygen plasma treatment in addition to solvent blend additives and post treatments...
September 13, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28898798/free-disease-long-term-survival-in-primary-thoracic-spine-leiomyosarcoma-after-total-en-bloc-spondylectomy-a-case-report
#12
José Ramirez-Villaescusa, Adriana Canosa-Fernández, Antonio Martin-Benlloch, David Ruiz-Picazo, Jesús López-Torres Hidalgo
INTRODUCTION: To describe an unusual primary vertebral leiomyosarcoma in thoracic spine. PRESENTATION OF CASE: An isolated lesion of the T11 vertebra in a 62-year-old woman with no neurologic deficit is reported. Imaging findings indicated a nonspecific high-grade malignant lesion. TC-guided biopsy failed thus open incisional biopsy was needed. A diagnosis of low-intermediate mesenchymal sarcoma was made. A total en bloc spondylectomy of T11 was performed with three-column reconstruction...
September 1, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28898703/investigation-of-the-impact-of-trace-elements-on-anaerobic-volatile-fatty-acid-degradation-using-a-fractional-factorial-experimental-design
#13
Ying Jiang, Yue Zhang, Charles Banks, Sonia Heaven, Philip Longhurst
The requirement of trace elements (TE) in anaerobic digestion process is widely documented. However, little is understood regarding the specific requirement of elements and their critical concentrations under different operating conditions such as substrate characterisation and temperature. In this study, a flask batch trial using fractional factorial design is conducted to investigate volatile fatty acids (VFA) anaerobic degradation rate under the influence of the individual and combined effect of six TEs (Co, Ni, Mo, Se, Fe and W)...
September 5, 2017: Water Research
https://www.readbyqxmd.com/read/28889148/association-of-fine-particulate-air-pollution-with-cardiopulmonary-morbidity-in-western-coast-of-saudi-arabia
#14
Shedrack R Nayebare, Omar S Aburizaiza, Azhar Siddique, David O Carpenter, Jahan Zeb, Abdullah J Aburizaiza, Cristian Pantea, Mirza M Hussain, Haider A Khwaja
To assess cardiopulmonary morbidity associated with daily exposures to PM2.5 in Western Coast of Saudi Arabia. Methods: We monitored 24-h PM2.5 and its constituents including black carbon (BC), particulate sulfate (p-SO42-), nitrate (p-NO3-), ammonium (p-NH4+) and trace elements (TEs) at a site in Rabigh, Saudi Arabia from May to June 2013 with simultaneous collection of hospital data (N=2513). Cardiopulmonary morbidity risk was determined in a generalized linear time-series model.  Results: Exposure to PM2...
September 2017: Saudi Medical Journal
https://www.readbyqxmd.com/read/28889119/sham-transcranial-electrical-stimulation-and-its-effects-on-corticospinal-excitability-a-systematic-review-and-meta-analysis
#15
Thusharika D Dissanayaka, Maryam Zoghi, Michael Farrell, Gary F Egan, Shapour Jaberzadeh
Sham stimulation is used in randomized controlled trials (RCTs) to assess the efficacy of active stimulation and placebo effects. It should mimic the characteristics of active stimulation to achieve blinding integrity. The present study was a systematic review and meta-analysis of the published literature to identify the effects of sham transcranial electrical stimulation (tES) - including anodal and cathodal transcranial direct current stimulation (a-tDCS, c-tDCS), transcranial alternating current stimulation (tACS), transcranial random noise stimulation (tRNS) and transcranial pulsed current stimulation (tPCS) - on corticospinal excitability (CSE), compared to baseline in healthy individuals...
September 11, 2017: Reviews in the Neurosciences
https://www.readbyqxmd.com/read/28885585/hair-regenerative-mechanisms-of-red-ginseng-oil-and-its-major-components-in-the-testosterone-induced-delay-of-anagen-entry-in-c57bl-6-mice
#16
Van-Long Truong, Min Ji Bak, Changook Lee, Mira Jun, Woo-Sik Jeong
Hair loss (alopecia) is a universal problem for numerous people in the world. The present study was conducted to investigate the effects of red ginseng oil (RGO) and its major components on hair re-growth using testosterone (TES)-induced delay of anagen entry in C57BL/6 mice and their mechanisms of action. Seven-week-old C57BL/6 mice were daily treated with TES for 1 h prior to topical application of 10% RGO, 1% linoleic acid (LA), 1% β-sitosterol (SITOS), or 1% bicyclo(10.1.0)tridec-1-ene (BICYCLO) once a day for 28 days...
September 8, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28884166/crystal-structure-of-thioesterase-sgce10-supporting-common-polyene-intermediates-in-9-and-10-membered-enediyne-core-biosynthesis
#17
Thibault Annaval, Jeffrey D Rudolf, Chin-Yuan Chang, Jeremy R Lohman, Youngchang Kim, Lance Bigelow, Robert Jedrzejczak, Gyorgy Babnigg, Andrzej Joachimiak, George N Phillips, Ben Shen
Enediynes are potent natural product anticancer antibiotics, and are classified as 9- or 10-membered according to the size of their enediyne core carbon skeleton. Both 9- and 10-membered enediyne cores are biosynthesized by the enediyne polyketide synthase (PKSE), thioesterase (TE), and PKSE-associated enzymes. Although the divergence between 9- and 10-membered enediyne core biosynthesis remains unclear, it has been observed that nascent polyketide intermediates, tethered to the acyl carrier protein (ACP) domain of PKSE, could be released by TE in the absence of the PKSE-associated enzymes...
August 31, 2017: ACS Omega
https://www.readbyqxmd.com/read/28883745/review-of-devices-used-in-neuromuscular-electrical-stimulation-for-stroke-rehabilitation
#18
REVIEW
Kotaro Takeda, Genichi Tanino, Hiroyuki Miyasaka
Neuromuscular electrical stimulation (NMES), specifically functional electrical stimulation (FES) that compensates for voluntary motion, and therapeutic electrical stimulation (TES) aimed at muscle strengthening and recovery from paralysis are widely used in stroke rehabilitation. The electrical stimulation of muscle contraction should be synchronized with intended motion to restore paralysis. Therefore, NMES devices, which monitor electromyogram (EMG) or electroencephalogram (EEG) changes with motor intention and use them as a trigger, have been developed...
2017: Medical Devices: Evidence and Research
https://www.readbyqxmd.com/read/28881588/experimental-study-of-brachial-plexus-and-vessel-compression-evaluation-of-combined-central-and-peripheral-electrodiagnostic-approach
#19
Chaoqun Yang, Jianguang Xu, Jie Chen, Shulin Li, Yu Cao, Yi Zhu, Lei Xu
INTRODUCTION: We sought to investigate the reliability of a new electrodiagnostic method for identifying Electrodiagnosis of Brachial Plexus & Vessel Compression Syndrome (BPVCS) in rats that involves the application of transcranial electrical stimulation motor evoked potentials (TES-MEPs) combined with peripheral nerve stimulation compound muscle action potentials (PNS-CMAPs). RESULTS: The latencies of the TES-MEP and PNS-CMAP were initially elongated in the 8-week group...
August 1, 2017: Oncotarget
https://www.readbyqxmd.com/read/28877662/genome-wide-characterization-of-non-reference-transposable-element-insertion-polymorphisms-reveals-genetic-diversity-in-tropical-and-temperate-maize
#20
Xianjun Lai, James C Schnable, Zhengqiao Liao, Jie Xu, Gengyun Zhang, Chuan Li, Erliang Hu, Tingzhao Rong, Yunbi Xu, Yanli Lu
BACKGROUND: Maize was originally domesticated in a tropical environment but is now widely cultivated at temperate latitudes. Temperate and tropical maize populations have diverged both genotypically and phenotypically. Tropical maize lines grown in temperate environments usually exhibit delayed flowering, pollination, and seed set, which reduces their grain yield relative to temperate adapted maize lines. One potential mechanism by which temperate maize may have adapted to a new environment is novel transposable element insertions, which can influence gene regulation...
September 6, 2017: BMC Genomics
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