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https://www.readbyqxmd.com/read/28454047/use-of-light-emitting-diodes-leds-for-enhanced-lipid-production-in-micro-algae-based-biofuels
#1
Alifha Severes, Shashank Hegde, L D'Souza, Smitha Hegde
Microalgae are an alternative source for renewable energy to overcome the energy crises caused by exhaustion of fuel reserves. Algal biofuel technology demands a cost effective strategy for net profitable productivity. Inconsistent illumination intensities hinder microalgal growth. The light-utilizing efficiency of the cells is critical. Light scarcity leads to low production and high intensities cause photo-inhibition. We report effective usage of LEDs of different band wavelengths on the growth of microalgae in a closed, controlled environment to generate biomass and lipid yields...
April 20, 2017: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/28453646/protecting-confidentiality-in-cancer-registry-data-with-geographic-identifiers
#2
Mandi Yu, Jerome Phillip Reiter, Li Zhu, Benmei Liu, Kathleen A Cronin, Eric J Rocky Feuer
The National Cancer Institute's Surveillance, Epidemiology, and End Results Program releases research files of cancer registry data. These files include geography at the county level, but no finer. Access to finer geography, such as tract identifiers, would enable richer analyses, for example, examination of health disparities across neighborhoods. To date, tract identifiers are left off the research files because they could compromise the confidentiality of patients' identities. We present an approach to include tract identifiers based on multiply-imputed, synthetic data...
April 27, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/28453432/multiregional-radiogenomic-assessment-of-prostate-microenvironments-with-multiparametric-mr-imaging-and-dna-whole-exome-sequencing-of-prostate-glands-with-adenocarcinoma
#3
Neema Jamshidi, Daniel J Margolis, Steven Raman, Jiaoti Huang, Robert E Reiter, Michael D Kuo
Purpose To assess the underlying genomic variation of prostate gland microenvironments of patients with prostate adenocarcinoma in the context of colocalized multiparametric magnetic resonance (MR) imaging and histopathologic assessment of normal and abnormal regions by using whole-exome sequencing. Materials and Methods Six patients with prostate adenocarcinoma who underwent robotic prostatectomy with whole-mount preservation of the prostate were identified, which enabled spatial mapping between preoperative multiparametric MR imaging and the gland...
April 28, 2017: Radiology
https://www.readbyqxmd.com/read/28447148/absent-pedicles-in-campomelic-dysplasia
#4
Michael M McDowell, Ozgur Dede, Patrick Bosch, Elizabeth C Tyler-Kabara
OBJECTIVES: The objective of the present study is to report a case of campomelic dysplasia illustrating the absence of cervical and thoracic pedicles. This report reiterates the importance of this clinical peculiarity in the setting of spine instrumentation. MATERIALS AND METHODS: A 10-year-old female patient with campomelic dysplasia presented with progressive kyphoscoliosis and signs of neural compromise. Imaging studies confirmed thoracic level stenosis and demonstrated absence of multiple pedicles in cervical and thoracic spine...
April 26, 2017: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/28443072/distribution-of-integrons-and-phylogenetic-groups-among-enteropathogenic-escherichia-coli-isolates-from-children-5-years-of-age-in-delhi-india
#5
Taru Singh, Shukla Das, V G Ramachandran, Sayim Wani, Dheeraj Shah, Khan A Maroof, Aditi Sharma
Integrons by means of horizontal gene transfer carry multidrug resistance genes (MDR) among bacteria, including E. coli. The aim of this study was to determine the antibiotic resistance profiles and the genes associated with them, to gain insights in the distribution of phylogroups, prevalence, and characterization of class 1, 2 and 3 integrons among Enteropathogenic E. coli (EPEC) isolates, from children upto 5 years of age from Delhi and National Capital Region (NCR), India. A total of 120 E. coli isolates, including 80 from diarrheagenic E...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28442810/fiessinger-leroy-s-disease-a-rare-case-report
#6
Yash Hemendra Dhamecha, Rikeeta Deshmukh, Bharti Patel, Neela Bhuptani
Fiessinger-Leroy's disease (Reiter's disease) is rare and not commonly reported in India. This paper reports a case of a 35-year-old male with Fiessinger-Leroy's disease, occurring after balanitis. The patient presented with symmetrical polyarthritis, pruritic scaly plaques, keratoderma blenorrhagicum, and hematuria with histopathology of skin suggestive of Fiessinger-Leroy's disease. The case is presented with a view to document the occurrence of the same in India.
January 2017: Indian Journal of Sexually Transmitted Diseases
https://www.readbyqxmd.com/read/28439991/melatonin-a-pleiotropic-molecule-that-modulates-dna-damage-response-and-repair-pathways
#7
REVIEW
Maryam Majidinia, Alireza Sadeghpour, Saeed Mehrzadi, Russel J Reiter, Nasrin Khatami, Bahman Yousefi
DNA repair is responsible for maintaining the integrity of the genome. Perturbations in the DNA repair pathways have been identified in several human cancers. Thus, compounds targeting DNA damage response (DDR) hold great promise in cancer therapy. A great deal of effort, in pursuit of new anticancer drugs, has been devoted to understanding the basic mechanisms and functions of the cellular DNA repair machinery. Melatonin, a widely-produced indoleamine in all organisms is associated with a reduced risk of cancer and has multiple regulatory roles on the different aspects of the DDR and DNA repair...
April 25, 2017: Journal of Pineal Research
https://www.readbyqxmd.com/read/28439421/factors-associated-with-cesarean-delivery-rates-a-single-institution-experience
#8
Spencer McClelland, Naomi Gorfinkle, Alan A Arslan, Maria Teresa Benedetto-Anzai, Teresa Cheon, Yuzuru Anzai
BACKGROUND: The aim of this study was to identify factors associated with variability in Cesarean delivery (CD) rates amongst providers at a single institution. METHODS: A retrospective cohort analysis was carried out on all births at NYU Langone Medical Center from 2005-2013. Data was collected for subjects and linked to diagnosis codes for singleton and twin deliveries. Descriptive characteristics were generated for all deliveries, and inferential analysis was performed including multiple covariates for singleton deliveries in the 2010-2013 cohort, including both univariate and multivariate regression analyses to identify factors associated with higher CD rates...
2017: Maternal Health, Neonatology and Perinatology
https://www.readbyqxmd.com/read/28428692/the-appraisement-of-antioxidant-and-oxidant-status-in-women-undergoing-surgical-menopause
#9
Avneet Kaur, Pooja Negi, Veena Sarna, Rajendra Prasad, Bir S Chavan, Anita Malhotra, Gurjit Kaur
The present study was undertaken to study the impact of surgical menopause on oxidant and antioxidant status in relation to estrogen levels after 3 months of surgery. Total 130 women who had undergone total hysterectomy (TH) with or without bilateral salpingo-oophorectomy (BSO) were included in this study. The oxidant status was assessed by measuring plasma levels of malondialdehyde and antioxidant status was assessed by measuring superoxide dismutase, catalase, glutathione, glutathione peroxidase, estrogen, and Vitamin A, E and C levels...
June 2017: Indian Journal of Clinical Biochemistry: IJCB
https://www.readbyqxmd.com/read/28428241/heralds-of-parallel-ms-data-independent-acquisition-surpassing-sequential-identification-of-data-dependent-acquisition-in-proteomics
#10
Roland Bruderer, Oliver Martin Bernhardt, Tejas Gandhi, Yue Xuan, Julia Sondermann, Manuela Schmidt, David Gomez-Varela, Lukas Reiter
Comprehensive, reproducible and precise analysis of large sample cohorts is one of the key objectives of quantitative proteomics. Here, we present an implementation of data-independent acquisition using its parallel acquisition nature that surpasses the serial limitation of data-dependent acquisition on a quadrupole ultra-high field Orbitrap mass spectrometer. In deep single shot data-independent acquisition, we quantified over 7,500 proteins of human cell lines and 9,000 proteins of mouse tissues, with fewer than 2...
April 20, 2017: Molecular & Cellular Proteomics: MCP
https://www.readbyqxmd.com/read/28427242/epidermal-growth-factor-receptor-variant-iii-in-head-and-neck-squamous-cell-carcinoma-is-not-relevant-for-targeted-therapy-and-irradiation
#11
Dominik Thomas Koch, Anja Pickhard, Lena Gebel, Anna Maria S Buchberger, Murat Bas, Carolin Mogler, Rudolf Reiter, Guido Piontek, Markus Wirth
BACKGROUND: The epidermal growth factor receptor (EGFR) is an important regulator of cell growth and survival, and is highly variable in tumor cells. The most prevalent variation of the EGFR extracellular domain is the EGFR variant III (EGFRvIII). Some studies imply that EGFRvIII may be responsible for the poor response to the monoclonal EGFR-antibody Cetuximab, used therapeutically in head and neck squamous cell carcinoma (HNSCC). Due to inconsistent data in the literature regarding EGFRvIII prevalence and clinical relevance in HNSCC, especially its predictive value, we examined EGFRvIII-transfected cell lines and patient tissue samples...
March 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28424471/human-luteinizing-hormone-and-chorionic-gonadotropin-display-biased-agonism-at-the-lh-and-lh-cg-receptors
#12
Laura Riccetti, Romain Yvinec, Danièle Klett, Nathalie Gallay, Yves Combarnous, Eric Reiter, Manuela Simoni, Livio Casarini, Mohammed Akli Ayoub
Human luteinizing hormone (LH) and chorionic gonadotropin (hCG) have been considered biologically equivalent because of their structural similarities and their binding to the same receptor; the LH/CGR. However, accumulating evidence suggest that LH/CGR differentially responds to the two hormones triggering differential intracellular signaling and steroidogenesis. The mechanistic basis of such differential responses remains mostly unknown. Here, we compared the abilities of recombinant rhLH and rhCG to elicit cAMP, β-arrestin 2 activation, and steroidogenesis in HEK293 cells and mouse Leydig tumor cells (mLTC-1)...
April 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28424161/response-and-progression-on-midostaurin-in-advanced-systemic-mastocytosis-kit-d816v-and-other-molecular-markers
#13
Mohamad Jawhar, Juliana Schwaab, Nicole Naumann, Hans-Peter Horny, Karl Sotlar, Torsten Haferlach, Georgia Metzgeroth, Alice Fabarius, Peter Valent, Wolf-Karsten Hofmann, Nicholas C P Cross, Manja Meggendorfer, Andreas Reiter
In advanced systemic mastocytosis (advSM), disease evolution is often triggered by activating KIT mutations (D816V in >80% of cases) and by additional mutations, e.g. in SRSF2, ASXL1 and/or RUNX1 (S/A/R(pos), >60% of cases). In a recently reported phase-II-study, midostaurin, a multikinase/KIT inhibitor, demonstrated an overall response rate (ORR) of 60% in advSM but biomarkers predictive of response are lacking. We evaluated the impact of molecular markers (KIT D816V, S/A/R(pos)) at baseline and during follow-up in 38 midostaurin-treated advSM patients...
April 19, 2017: Blood
https://www.readbyqxmd.com/read/28420493/etiology-of-human-genetic-disease-on-the-fly
#14
REVIEW
Clement Y Chow, Lawrence T Reiter
The model organism Drosophila melanogaster has been at the forefront of genetic studies since before the discovery of DNA. Although human disease modeling in flies may still be rather novel, recent advances in genetic tool design and genome sequencing now confer huge advantages in the fly system when modeling human disease. In this review, we focus on new genomic tools for human gene variant analysis; new uses for the Drosophila Genetic Reference Panel (DGRP) in detection of background alleles that influence a phenotype; and several examples of how multigenic conditions, both complex disorders and duplication and/or deletion syndromes, can be effectively studied in the fly model system...
April 15, 2017: Trends in Genetics: TIG
https://www.readbyqxmd.com/read/28420481/safety-and-feasibility-of-subcutaneous-purse-string-suture-of-the-femoral-vein-after-electrophysiological-procedures-on-uninterrupted-oral-anticoagulation
#15
Marc Kottmaier, Felix Bourier, Tilko Reents, Alina Reiter, Marielouise Kornmayer, Verena Semmler, Martha Telishevska, Katharina Koch-Büttner, Michael Deiss, Stephanie Brooks, Christian Grebmer, Carsten Lennerz, Christoph Kolb, Gabriele Hessling, Isabel Deisenhofer
The aim of this study was to compare safety and feasibility of a subcutaneous purse-string suture (PSS) with manual compression (MC) to gain hemostasis in patients after multiple femoral venous punctures undergoing electrophysiological procedures on uninterrupted oral anticoagulation (OAK). A total of 784 patients who underwent catheter ablation for atrial fibrillation (n = 564) or (a)typical atrial flutter (n = 220) were assessed. Four hundred sixty-two patients received PSS (58.9%) and 322 patients (41...
March 16, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28420185/melatonin-a-full-service-anti-cancer-agent-inhibition-of-initiation-progression-and-metastasis
#16
REVIEW
Russel J Reiter, Sergio A Rosales-Corral, Dun-Xian Tan, Dario Acuna-Castroviejo, Lilan Qin, Shun-Fa Yang, Kexin Xu
There is highly credible evidence that melatonin mitigates cancer at the initiation, progression and metastasis phases. In many cases, the molecular mechanisms underpinning these inhibitory actions have been proposed. What is rather perplexing, however, is the large number of processes by which melatonin reportedly restrains cancer development and growth. These diverse actions suggest that what is being observed are merely epiphenomena of an underlying more fundamental action of melatonin that remains to be disclosed...
April 17, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28414912/observation-of-photovoltaic-action-from-photoacid-modified-nafion-due-to-light-driven-ion-transport
#17
William White, Christopher D Sanborn, Ronald S Reiter, David M Fabian, Shane Ardo
Replacing passive ion-exchange membranes, like Nafion, with membranes that use light to drive ion transport would allow membranes in photoelectrochemical technologies to serve in an active role. Toward this, we modified per-fluorosulfonic acid ionomer membranes with organic pyrenol-based photoacid dyes to sensitize the membranes to visi-ble light and initiate proton transport. Covalent modification of the membranes was achieved by reacting Nafion sul-fonyl fluoride poly(perfluorosulfonyl fluoride) membranes with 8-hydroxypyrene-1,3,6-tris(2-aminoethylsulfonamide) photoacids...
April 17, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28413210/acute-pulmonary-thromboembolism-in-a-case-of-fatal-child-abuse
#18
R Rahimi, Z F Zulkifli, E Omar, H Ismail, S Md Noor
Child abuse is a worldwide problem. The four major types of abuse include physical abuse, child neglect, psychological maltreatment and sexual violence. We describe a fatal case of child abuse which presented with numerous old and recent soft tissue injuries all over the body. The injuries on the legs have immobilized the victim for quite some time, giving rise to deep vein thrombosis, leading to death as a result of acute pulmonary thromboembolism. This case demonstrates presence of both elements of abuse and neglect in one victim...
April 2017: Malaysian Journal of Pathology
https://www.readbyqxmd.com/read/28411568/projecting-biodiversity-and-wood-production-in-future-forest-landscapes-15-key-modeling-considerations
#19
Adam Felton, Thomas Ranius, Jean-Michel Roberge, Karin Öhman, Tomas Lämås, Jari Hynynen, Artti Juutinen, Mikko Mönkkönen, Urban Nilsson, Tomas Lundmark, Annika Nordin
A variety of modeling approaches can be used to project the future development of forest systems, and help to assess the implications of different management alternatives for biodiversity and ecosystem services. This diversity of approaches does however present both an opportunity and an obstacle for those trying to decide which modeling technique to apply, and interpreting the management implications of model output. Furthermore, the breadth of issues relevant to addressing key questions related to forest ecology, conservation biology, silviculture, economics, requires insights stemming from a number of distinct scientific disciplines...
April 12, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28409974/picosecond-control-of-quantum-dot-laser-emission-by-coherent-phonons
#20
T Czerniuk, D Wigger, A V Akimov, C Schneider, M Kamp, S Höfling, D R Yakovlev, T Kuhn, D E Reiter, M Bayer
A picosecond acoustic pulse can be used to control the lasing emission from semiconductor nanostructures by shifting their electronic transitions. When the active medium, here an ensemble of (In,Ga)As quantum dots, is shifted into or out of resonance with the cavity mode, a large enhancement or suppression of the lasing emission can dynamically be achieved. Most interesting, even in the case when gain medium and cavity mode are in resonance, we observe an enhancement of the lasing due to shaking by coherent phonons...
March 31, 2017: Physical Review Letters
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