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https://www.readbyqxmd.com/read/28822204/comparative-2-d-electrophoresis-of-salivary-proteins-in-triatoma-dimidiata-and-rhodnius-prolixus-hemiptera-reduviidae-and-major-cross-reactive-antigens
#1
Victor Monteon, Ivan May-Gil, Karla Acosta-Viana, Angel Ramos-Logonio, Oscar Hernandez, Ruth Lopez
An immune response to triatomine’s saliva is an immunological marker of exposure to triatomine bites. However, considerable variability in salivary protein profiles did exist among species. In the present work, we compare salivary proteins from Mexican Triatoma dimidiata and Rhodnius prolixus using 2-D electrophoresis. A clear differential saliva profile was found to exist between these two triatomine species. Fewer protein spots were detected in R. prolixus than in T. dimidiata. More than half of the proteins had an isoelectric point between 5 and 7 and a molecular weight between 10 and 30 kDa in T...
2017: Annals of Parasitology
https://www.readbyqxmd.com/read/28820895/identification-of-leishmania-donovani-antigen-in-circulating-immune-complexes-of-visceral-leishmaniasis-subjects-for-diagnosis
#2
Fauzia Jamal, Pushkar Shivam, Sarita Kumari, Manish Kumar Singh, Abul Hasan Sardar, Pushpanjali, Selvasankar Murugesan, Shyam Narayan, Anil Kumar Gupta, Krishna Pandey, V N R Das, Vahab Ali, Sanjiva Bimal, Pradeep Das, Shubhankar K Singh
The unreliability of most of the existing antibody-based diagnostic kits to discriminate between active and treated VL cases, relapse situation and reinfection are a major hurdle in controlling the cases of Kala-azar in an endemic area. An antigen targeted diagnostic approaches can be an attractive strategy to overcome these problems. Hence, this study was focused on identifying the Leishmania antigens, lies in circulating immune complex (CICs), can be used for diagnostic as well as prognostic purposes. The present study was conducted on peripheral blood samples of 115 human subjects, based on isolation of CICs...
2017: PloS One
https://www.readbyqxmd.com/read/28818943/zones-spots-and-planetary-scale-waves-beating-in-brown-dwarf-atmospheres
#3
D Apai, T Karalidi, M S Marley, H Yang, D Flateau, S Metchev, N B Cowan, E Buenzli, A J Burgasser, J Radigan, E Artigau, P Lowrance
Brown dwarfs are massive analogs of extrasolar giant planets and may host types of atmospheric circulation not seen in the solar system. We analyzed a long-term Spitzer Space Telescope infrared monitoring campaign of brown dwarfs to constrain cloud cover variations over a total of 192 rotations. The infrared brightness evolution is dominated by beat patterns caused by planetary-scale wave pairs and by a small number of bright spots. The beating waves have similar amplitudes but slightly different apparent periods because of differing velocities or directions...
August 18, 2017: Science
https://www.readbyqxmd.com/read/28816149/a-multi-institution-retrospective-analysis-of-cervix-intracavitary-brachytherapy-treatments-part-1-is-eqd2-good-enough-for-reporting-radiobiological-effects
#4
Emma C Fields, Rakhi Melvani, George Hajdok, David D'Souza, Bernard Jones, Kelly Stuhr, Quentin Diot, Christine M Fisher, Nitai Mukhopadhyay, Dorin Todor
PURPOSE: When brachytherapy doses are reported or added, biologically effective dose (BED) minimum dose covering 90% of the volume (D90) is used as if dose is delivered uniformly to the target. Unlike BED(D90), equivalent uniform BED (EUBED) and generalized biologically equivalent uniform dose (gBEUD) are quantities that integrate dose inhomogeneity. Here we compared BED(D90) and equivalent uniform BED (EUBED)/gBEUD in 3 settings: (1) 2 sites using tandem and ovoid (T&O) but different styles of implants; (2) 2 sites using different devices-T&O and tandem and ring (T&R)-and different styles; and (3) the same site using T&O and T&R with the same style...
September 1, 2017: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/28808253/species-distribution-models-of-two-critically-endangered-deep-sea-octocorals-reveal-fishing-impacts-on-vulnerable-marine-ecosystems-in-central-mediterranean-sea
#5
V Lauria, G Garofalo, F Fiorentino, D Massi, G Milisenda, S Piraino, T Russo, M Gristina
Deep-sea coral assemblages are key components of marine ecosystems that generate habitats for fish and invertebrate communities and act as marine biodiversity hot spots. Because of their life history traits, deep-sea corals are highly vulnerable to human impacts such as fishing. They are an indicator of vulnerable marine ecosystems (VMEs), therefore their conservation is essential to preserve marine biodiversity. In the Mediterranean Sea deep-sea coral habitats are associated with commercially important crustaceans, consequently their abundance has dramatically declined due to the effects of trawling...
August 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28808181/screening-of-fabry-disease-in-patients-with-end-stage-renal-disease-of-unknown-etiology-the-first-thailand-study
#6
Objoon Trachoo, Paisan Jittorntam, Sarunpong Pibalyart, Saowanee Kajanachumphol, Norasak Suvachittanont, Suthep Patputthipong, Piyatida Chuengsaman, Arkom Nongnuch
We aimed to explore the prevalence of Fabry disease in Thai patients who were diagnosed with end-stage renal disease (ESRD) of an unknown origin. Venous blood samples were collected from ESRD patients for biochemical and molecular studies. Alpha-galactosidase A (α-GAL A) screening was performed from dried-blood spots using fluorometry. Molecular confirmation was performed using DNA sequencing of the GLA gene. A total of 142 male and female patients were included in this study. Ten patients (7.04%) exhibited a significant decrease in α-GAL A activity...
October 17, 2016: Journal of Biomedical Research
https://www.readbyqxmd.com/read/28804859/fertility-life-table-of-tetranychus-palmarum-flechtmann-noronha-acari-tetranychidae-in-oil-palm
#7
A C S Noronha, C T Ferreira, E J M Tavares, D B Lima
Some species of spider mites belonging to the Tetranychidae family are known to associate with oil palm (Elaeis guineensis Jacq. - Arecaceae). The occurrence of Tetranychus palmarum Flechtmann & Noronha (Acari, Tetranychidae) was verified on oil palm seedlings under greenhouse conditions in the State of Pará in Northern Brazil. Plants with colonies of T. palmarum presented yellowish spots on leaflets and leaves with chlorosis. The objective of this study was to access the biology and fertility life table of T...
August 13, 2017: Neotropical Entomology
https://www.readbyqxmd.com/read/28802281/high-concordance-of-pfdhfr-and-pfdhps-genotypes-between-matched-peripheral-and-placental-isolates-of-delivered-women-in-bobo-dioulasso-burkina-faso
#8
Mamoudou Cissé, Gordon A. Awandare, Fabrice A. Somé, Marie-Pierre Hayette, Robert T. Guiguemdé
Whether maternal peripheral parasites constitute a representative sample of the overall population infecting the individual, remains unknown in Burkina Faso. We therefore compared Pfdhfr and Pfdhps genotypes between matched peripheral and placental isolates. PCR-restriction fragment length polymorphism (PCR-RFLP) analysis of polymorphic codons of the Pfdhfr gene (51, 59, 108 and 164) and the Pfdhps gene (437 and 540) was performed in 18 matched peripheral and placental dried blood spots of delivered women in Bobo-Dioulasso...
2017: Annals of Parasitology
https://www.readbyqxmd.com/read/28802114/embryonic-and-fetal-morphology-in-the-lowland-paca-cuniculus-paca-a-precocial-hystricomorph-rodent
#9
Hani Rocha El Bizri, Frederico Ozanan Barros Monteiro, Rafael Dos Santos de Andrade, João Valsecchi, Diva Anelie de Araújo Guimarães, Pedro Mayor
In mammals, the embryonic and fetal development of a species has evolved to maximize neonatal survival. In this study, we use a sample of 132 embryos/fetuses of wild lowland paca (Cuniculus paca), obtained over a period of 15 years through collaborative methods with local hunters in the Amazon to describe the intrauterine development of external and internal morphology of this Neotropical rodent. We also compare the newborn survival strategy in this species with other rodents. The crown-rump length (CRL) ranged between 0...
August 3, 2017: Theriogenology
https://www.readbyqxmd.com/read/28801731/molecular-mapping-and-genomics-of-soybean-seed-protein-a-review-and-perspective-for-the-future
#10
REVIEW
Gunvant Patil, Rouf Mian, Tri Vuong, Vince Pantalone, Qijian Song, Pengyin Chen, Grover J Shannon, Tommy C Carter, Henry T Nguyen
Genetic improvement of soybean protein meal is a complex process because of negative correlation with oil, yield, and temperature. This review describes the progress in mapping and genomics, identifies knowledge gaps, and highlights the need of integrated approaches. Meal protein derived from soybean [Glycine max (L) Merr.] seed is the primary source of protein in poultry and livestock feed. Protein is a key factor that determines the nutritional and economical value of soybean. Genetic improvement of soybean seed protein content is highly desirable, and major quantitative trait loci (QTL) for soybean protein have been detected and repeatedly mapped on chromosomes (Chr...
August 11, 2017: TAG. Theoretical and Applied Genetics. Theoretische und Angewandte Genetik
https://www.readbyqxmd.com/read/28800625/variability-in-quantitative-analysis-of-atherosclerotic-plaque-inflammation-using-18f-fdg-pet-ct
#11
Karel-Jan D F Lensen, Alper M van Sijl, Alexandre E Voskuyl, Conny J van der Laken, Martijn W Heymans, Emile F I Comans, Mike T Nurmohamed, Yvo M Smulders, Ronald Boellaard
BACKGROUND: 18F-FDG-PET(/CT) is increasingly used in studies aiming at quantifying atherosclerotic plaque inflammation. Considerable methodological variability exists. The effect of data acquisition and image analysis parameters on quantitative uptake measures, such as standardized uptake value (SUV) and target-to-background ratio (TBR) has not been investigated extensively. OBJECTIVE: The goal of this study was to explore the effect of several data acquisition and image analysis parameters on quantification of vascular wall 18F-FDG uptake measures, in order to increase awareness of potential variability...
2017: PloS One
https://www.readbyqxmd.com/read/28798488/analysis-of-factors-influencing-diagnostic-accuracy-of-t-spot-tb-for-active-tuberculosis-in-clinical-practice
#12
Lifan Zhang, Xiaochun Shi, Yueqiu Zhang, Yao Zhang, Feifei Huo, Baotong Zhou, Guohua Deng, Xiaoqing Liu
T-SPOT.TB didn't perform a perfect diagnosis for active tuberculosis (ATB), and some factors may influence the results. We did this study to evaluate possible factors associated with the sensitivity and specificity of T-SPOT.TB, and the diagnostic parameters under varied conditions. Patients with suspected ATB were enrolled prospectively. Influencing factors of the sensitivity and specificity of T-SPOT.TB were evaluated using logistic regression models. Sensitivity, specificity, predictive values (PV), and likelihood ratios (LR) were calculated with consideration of relevant factors...
August 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28797181/hiv-resistance-with-correlation-to-pmtct-regimen-in-hiv-infected-infants-in-northern-tanzania
#13
Dorothy Elizabeth Dow, Werner Schimana, Balthazar M Nyombi, Blandina T Mmbaga, Aisa M Shayo, John A Bartlett, Charles G Massambu, Emmanuel G Kifaro, Elizabeth L Turner, Todd DeMarco, Fangping Cai, Coleen Cunningham, Ann M Buchanan
Prevention of mother-to-child transmission (PMTCT) guidelines recommend that all HIV-infected pregnant woman receive antiretroviral therapy (Option B) and HIV-infected infants should initiate therapy with a protease inhibitor based regimen; however, implementation of these guidelines has lagged in many resource-limited settings. Tanzania only recently implemented these guidelines with little country specific data to inform whether HIV non-nucleoside reverse transcriptase inhibitor (NNRTI) resistance was present among infected infants under the Option A guidelines...
August 11, 2017: AIDS Research and Human Retroviruses
https://www.readbyqxmd.com/read/28791718/dried-blood-spots-from-finger-prick-facilitate-therapeutic-drug-monitoring-of-adalimumab-and-anti-adalimumab-in-patients-with-inflammatory-diseases
#14
E L Kneepkens, M F Pouw, G J Wolbink, T Schaap, M T Nurmohamed, A de Vries, T Rispens, K Bloem
BACKGROUND: Development of a self-sampling method for therapeutic drug monitoring (TDM) of biologicals will enhance TDM implementation in routine care and pharmacokinetic knowledge. AIM: To compare adalimumab and anti-adalimumab antibody (ADA) concentration measurements in dried blood spots (DBS) obtained from finger prick with measurements in serum obtained via venepuncture, from patients with rheumatic inflammatory diseases. METHODS: In this cross-sectional study, 161 consecutive patients were included...
August 9, 2017: British Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/28783594/antigenic-characterization-of-52-55kda-protein-isolated-from-trypanosoma-evansi-and-its-application-in-detection-of-equine-trypanosomosis
#15
S C Yadav, Ritesh Kumar, Jaideep Kumar, Meetali Singh, B C Bera, Rajender Kumar, U Tatu, Kanika Tehri
Trypanosoma evansi is a haemo-protozoan parasite responsible for the disease surra, an economically important disease of wide range of domestic and wild animals. The present diagnostic methods using soluble antigens have inherent problems like lack of standardized and reproducible antigens, as well as ethical issues. This entails further efforts for search of defined antigenic molecules with satisfying sensitivity and specificity for sero-epidemiology of trypanosomosis. In present investigation, we have identified and purified 52-55kDa immuno-dominant protein cluster in molecular mass ranges by preparatory SDS-PAGE methods from T...
August 1, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28782931/an-lc-ms-ms-based-method-for-the-quantification-of-pyridox-am-ine-5-phosphate-oxidase-activity-in-dried-blood-spots-from-patients-with-epilepsy
#16
Matthew Peter Wilson, Emma Footitt, Apostolos Papandreou, Mari-Liis Uudelepp, Ronit Pressler, Danielle C Stevenson, Camila Gabriel, Mel Mcsweeney, Matthew Baggot, Derek Burke, Tommy Stödberg, Kate Riney, Manuel Schiff, Simon J R Heales, Kevin Mills, Paul Gissen, Peter T Clayton, Philippa B Mills
We report the development of a rapid, simple and robust LC-MS/MS based enzyme assay using dried blood spots (DBS) for the diagnosis of pyridox(am)ine 5'-phosphate oxidase (PNPO) deficiency (OMIM 610090). PNPO deficiency leads to potentially fatal early infantile epileptic encephalopathy, severe developmental delay and other features of neurological dysfunction. However, upon prompt treatment with high doses of vitamin B6, affected patients can have a normal developmental outcome. Prognosis of these patients is therefore reliant upon a rapid diagnosis...
August 7, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28780855/direct-surface-and-droplet-microsampling-for-electrospray-ionization-mass-spectrometry-analysis-with-an-integrated-dual-probe-microfluidic-chip
#17
Cong-Min Huang, Ying Zhu, Di-Qiong Jin, Ryan T Kelly, Qun Fang
Ambient mass spectrometry (MS) has revolutionized the way of MS analysis and broadened its application in various fields. This paper describes the use of microfluidic techniques to simplify the setup and improve the functions of ambient MS by integrating the sampling probe, electrospray emitter probe, and online mixer on a single glass microchip. Two types of sampling probes, including a parallel-channel probe and a U-shaped channel probe, were designed for dry-spot and liquid-phase droplet samples, respectively...
August 15, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28777447/technical-note-using-experimentally-determined-proton-spot-scanning-timing-parameters-to-accurately-model-beam-delivery-time
#18
Jiajian Shen, Erik Tryggestad, James E Younkin, Sameer R Keole, Keith M Furutani, Yixiu Kang, Michael G Herman, Martin Bues
PURPOSE: To accurately model the beam delivery time (BDT) for a synchrotron based proton spot scanning system using experimentally determined beam parameters. METHODS: A model to simulate the proton spot delivery sequences was constructed and BDT was calculated by summing times for layer switch, spot switch and spot delivery. Test plans were designed to isolate and quantify the relevant beam parameters in the operation cycle of the proton beam therapy delivery system...
August 4, 2017: Medical Physics
https://www.readbyqxmd.com/read/28770918/properties-of-in-situ-generated-gold-nanoparticles-in-the-cellular-context
#19
D Drescher, H Traub, T Büchner, N Jakubowski, J Kneipp
Gold nanostructures that serve as probes for nanospectroscopic analysis of eukaryotic cell cultures can be obtained by the in situ reduction of tetrachloroauric acid (HAuCl4). To understand the formation process of such intracellularly grown particles depending on the incubation medium, the reaction was carried out with 3T3 fibroblast cells in three different incubation media, phosphate buffer, Dulbecco's Modified Eagle Medium (DMEM), and standard cell culture medium (DMEM with fetal calf serum). The size, the optical properties, the biomolecular corona, and the localization of the gold nanoparticles formed in situ vary for the different conditions...
August 3, 2017: Nanoscale
https://www.readbyqxmd.com/read/28768664/preventative-effects-of-a-hif-inhibitor-17-dmag-on-partial-bladder-outlet-obstruction-induced-bladder-dysfunction
#20
Nao Iguchi, M İrfan Dönmez, Anna P Malykhina, Alonso Carrasco, Duncan T Wilcox
Posterior urethral valves are the most common cause of partial bladder outlet obstruction (PBOO) in the pediatric population. Pathological changes in the bladder developed during PBOO are responsible for long-lasting voiding dysfunction in this population despite early surgical interventions. Increasing evidence showed PBOO induces an upregulation of Hypoxia inducible factors (HIFs) and their transcriptional target genes, and they play a role in pathophysiological changes in the obstructed bladders. We hypothesized that blocking HIF pathways can prevent PBOO-induced bladder dysfunction...
August 2, 2017: American Journal of Physiology. Renal Physiology
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