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https://www.readbyqxmd.com/read/29035847/prevalence-and-molecular-characterization-of-bovine-cryptosporidium-from-dairy-cows-in-northern-thailand
#1
Tawin Inpankaew, Tawisa Jiyipong, Chainirun Sunanta, Chanya Kengradomkij, Nongnuch Pinyopanuwat, Sathaporn Jittapalapong
Cryptosporidiosis is a common protozoan infection in humans and domestic animals. It is the culprit for significant neonatal morbidity in cattle as well as weight loss and delayed growth, which leads to large economic losses in the farming industry. Furthermore, bovine Cryptosporidium is also a principal source of human Cryptosporidium infections. The purpose of this study is to determine prevalence and genotype of Cryptosporidium spp. from feces of dairy cows from the northern parts of Thailand (Chiang Rai, Chiang Mai, and Lumpang provinces)...
December 20, 2017: Acta Parasitologica
https://www.readbyqxmd.com/read/29035695/expression-of-macrophage-genes-within-skeletal-muscle-correlates-inversely-with-adiposity-and-insulin-resistance-in-humans
#2
Dongmei Liu, Flor Elisa Morales, Heidi B IglayReger, Mary K Treutelaar, Amy E Rothberg, Monica J Hubal, Evan P Nadler, Jacques Robidoux, Hisham Barakat, Jeffrey F Horowitz, Eric P Hoffman, Charles F Burant, Paul M Gordon
Background Local inflammation in obese adipose tissue has been shown to contribute to insulin resistance, however, the role of macrophage infiltration within skeletal muscle is still debateable. This study aimed to evaluate the association of skeletal muscle macrophage gene expression with adiposity levels and insulin sensitivity in obese patients. Methods Twenty-two non-diabetic obese patients and 23 healthy lean controls were included. Obese patients underwent a 3-month weight loss intervention. Macrophage gene expression in skeletal muscle (quantitative RT-PCR), body composition (DXA) and insulin sensitivity (homeostatic model assessment and oral glucose tolerance test) were compared between groups and their associations were analyzed...
October 16, 2017: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/29035677/effectiveness-of-a-smartphone-application-for-the-management-of-metabolic-syndrome-components-focusing-on-weight-loss-a-preliminary-study
#3
Tatiana Toro-Ramos, Dong-Hwa Lee, Youngin Kim, Andreas Michaelides, Tae Jung Oh, Kyoung Min Kim, Hak Chul Jang, Soo Lim
BACKGROUND: There are inconsistent results for the effectiveness of using smartphone applications (apps) or websites on weight loss. We investigated the efficacy of a smartphone intervention using a designated app that utilizes a lifestyle intervention-focused approach, including a human coaching element, toward weight loss in overweight or obese Korean adults. METHODS: One hundred four adults aged 20-60 years with a body mass index ≥23 kg/m(2), who signed up for a smartphone program for weight loss (using the Noom app), were recruited...
October 16, 2017: Metabolic Syndrome and related Disorders
https://www.readbyqxmd.com/read/29035332/random-network-models-to-predict-the-long-term-impact-of-hpv-vaccination-on-genital-warts
#4
Javier Díez-Domingo, Víctor Sánchez-Alonso, Rafael-J Villanueva, Luis Acedo, José-Antonio Moraño, Javier Villanueva-Oller
The Human papillomaviruses (HPV) vaccine induces a herd immunity effect in genital warts when a large number of the population is vaccinated. This aspect should be taken into account when devising new vaccine strategies, like vaccination at older ages or male vaccination. Therefore, it is important to develop mathematical models with good predictive capacities. We devised a sexual contact network that was calibrated to simulate the Spanish epidemiology of different HPV genotypes. Through this model, we simulated the scenario that occurred in Australia in 2007, where 12-13 year-old girls were vaccinated with a three-dose schedule of a vaccine containing genotypes 6 and 11, which protect against genital warts, and also a catch-up program in women up to 26 years of age...
October 16, 2017: Viruses
https://www.readbyqxmd.com/read/29035272/binding-stability-of-peptides-on-major-histocompatibility-complex-class-i-proteins-role-of-entropy-and-dynamics
#5
Ahmet Gul, Burak Erman
Prediction of peptide binding on specific human leukocyte antigens (HLA) has long been studied with successful results. We herein describe the effects of entropy and dynamics by investigating the binding stabilities of 10 nanopeptides on various HLA Class I alleles using a theoretical model based on molecular dynamics simulations. The fluctuational entropies of the peptides are estimated over a temperature range of 310-460 K. The estimated entropies correlate well with experimental binding affinities of the peptides: Peptides that have higher binding affinities have lower entropies compared to non-binders, which have significantly larger entropies...
October 16, 2017: Physical Biology
https://www.readbyqxmd.com/read/29034319/high-precision-fast-spiking-basket-cell-discharges-during-complex-events-in-the-human-neocortex
#6
Viktor Szegedi, Gábor Molnár, Melinda Paizs, Eszter Csakvari, Pál Barzó, Gábor Tamás, Karri Lamsa
In the human neocortex, solitary action potentials in some layer 2-3 pyramidal cells (PCs) trigger brief episodes of network activity known as complex events through strong excitatory synapses that specifically innervate GABAergic interneurons. Yet, how these "master PCs" configure the local network activity is not well understood. We report that single spikes in the PCs, studied here in synaptically connected cell pairs in frontal or temporal neocortical areas of both males and females, elicit firing of fast-spiking basket cells (FSBCs) with a short delay (on average 2...
September 2017: ENeuro
https://www.readbyqxmd.com/read/29032696/impact-of-improving-postprandial-glycemic-control-with-intensifying-insulin-therapy-in-type-2-diabetes
#7
Tamer Yacoub
Worldwide, many people with type 2 diabetes are not at recommended glycemic targets and remain at increased risk of microvascular and macrovascular complications. Reaching recommended glycemic targets requires normalizing both fasting and postprandial glucose (PPG). For some patients, this will require addition of a prandial insulin delivered by injection to control PPG excursions. Evidence from epidemiological studies suggests an association between postprandial hyperglycemia and cardiovascular disease, and thus, expert guidelines recommend that treatment for elevated PPG not be delayed...
October 14, 2017: Postgraduate Medicine
https://www.readbyqxmd.com/read/29032311/a-hybrid-wavelet-de-noising-and-rank-set-pair-analysis-approach-for-forecasting-hydro-meteorological-time-series
#8
Dong Wang, Alistair G Borthwick, Handan He, Yuankun Wang, Jieyu Zhu, Yuan Lu, Pengcheng Xu, Xiankui Zeng, Jichun Wu, Lachun Wang, Xinqing Zou, Jiufu Liu, Ying Zou, Ruimin He
Accurate, fast forecasting of hydro-meteorological time series is presently a major challenge in drought and flood mitigation. This paper proposes a hybrid approach, wavelet de-noising (WD) and Rank-Set Pair Analysis (RSPA), that takes full advantage of a combination of the two approaches to improve forecasts of hydro-meteorological time series. WD allows decomposition and reconstruction of a time series by the wavelet transform, and hence separation of the noise from the original series. RSPA, a more reliable and efficient version of Set Pair Analysis, is integrated with WD to form the hybrid WD-RSPA approach...
October 12, 2017: Environmental Research
https://www.readbyqxmd.com/read/29032199/affinity-and-path-of-binding-xylopyranose-unto-e-coli-xylose-permease
#9
Thierry O Wambo, Liao Y Chen, Clyde Phelix, George Perry
Glucose transporters (GLUTs), expressed in all types of human cells, are responsible for the uptake of sugars as the primary energy source for the normal functions of good cells and for the abnormal growth of cancer cells. The E. coli xylose permease (XylE), a homologue of human GLUTs, has been investigated more thoroughly than other major facilitator proteins in the current literature. In this paper, we present a molecular dynamics (MD) study of an all-atom model system to elucidate the atomistic details and the free-energy landscape along the path of binding a xylopyranose (XYP) from the extracellular space to the inside of the transporter protein XylE...
October 11, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29032017/editorial-next-generation-sequencing-technology-a-new-tool-for-killer-cell-immunoglobulin-like-receptor-allele-typing-in-hematopoietic-stem-cell-transplantation
#10
B Maniangou, C Retière, K Gagne
Killer cell Immunoglobulin-like Receptor (KIR) genes are a family of genes located together within the leukocyte receptor cluster on human chromosome 19q13.4. To date, 17 KIR genes have been identified including nine inhibitory genes (2DL1/L2/L3/L4/L5A/L5B, 3DL1/L2/L3), six activating genes (2DS1/S2/S3/S4/S5, 3DS1) and two pseudogenes (2DP1, 3DP1) classified into group A (KIR A) and group B (KIR B) haplotypes. The number and the nature of KIR genes vary between the individuals. In addition, these KIR genes are known to be polymorphic at allelic level (907 alleles described in July 2017)...
October 11, 2017: Transfusion Clinique et Biologique: Journal de la Société Française de Transfusion Sanguine
https://www.readbyqxmd.com/read/29031905/fibroblast-growth-factor-21-decreases-after-liver-fat-reduction-via-growth-hormone-augmentation
#11
Laurie R Braun, Meghan N Feldpausch, Natalia Czerwonka, Martin Torriani, Steven K Grinspoon, Takara L Stanley
OBJECTIVE: Fibroblast growth factor 21 (FGF21) ameliorates steatohepatitis but is increased in humans with fatty liver, potentially due to compensatory mechanisms and/or FGF21 resistance. Further, animal models suggest that GH increases serum FGF21. Tesamorelin, a growth hormone releasing hormone agonist, reduces liver fat in HIV-infected individuals. The objectives of this study were to investigate changes in FGF21 during tesamorelin treatment, to elucide the interplay between FGF21, GH augmentation, and liver fat reduction in humans...
October 7, 2017: Growth Hormone & IGF Research
https://www.readbyqxmd.com/read/29031729/point-mutation-of-ffar1-abrogates-fatty-acid-dependent-insulin-secretion-but-protects-against-hfd-induced-glucose-intolerance
#12
Sibylle Sabrautzki, Gabriele Kaiser, Gerhard K H Przemeck, Felicia Gerst, Estela Lorza-Gil, Madhura Panse, Tina Sartorius, Miriam Hoene, Susan Marschall, Hans-Ulrich Häring, Martin Hrabě de Angelis, Susanne Ullrich
OBJECTIVE: The fatty acid receptor 1 (FFAR1/GPR40) mediates fatty acid-dependent augmentation of glucose-induced insulin secretion (GIIS) in pancreatic β-cells. Genetically engineered Ffar1-knockout/congenic mice univocally displayed impaired fatty acid-mediated insulin secretion, but in vivo experiments delivered controversial results regarding the function of FFAR1 in glucose homeostasis and liver steatosis. This study presents a new coisogenic mouse model carrying a point mutation in Ffar1 with functional consequence...
October 2017: Molecular Metabolism
https://www.readbyqxmd.com/read/29031727/angiopoietin-like-protein-4-is-an-exercise-induced-hepatokine-in-humans-regulated-by-glucagon-and-camp
#13
Bodil Ingerslev, Jakob S Hansen, Christoph Hoffmann, Jens O Clemmesen, Niels H Secher, Mika Scheler, Martin Hrabĕ de Angelis, Hans U Häring, Bente K Pedersen, Cora Weigert, Peter Plomgaard
OBJECTIVE: Angiopoietin-like protein-4 (ANGPTL4) is a circulating protein that is highly expressed in liver and implicated in regulation of plasma triglyceride levels. Systemic ANGPTL4 increases during prolonged fasting and is suggested to be secreted from skeletal muscle following exercise. METHODS: We investigated the origin of exercise-induced ANGPTL4 in humans by measuring the arterial-to-venous difference over the leg and the hepato-splanchnic bed during an acute bout of exercise...
October 2017: Molecular Metabolism
https://www.readbyqxmd.com/read/29031512/current-antiviral-drugs-and-their-analysis-in-biological-materials-part-ii-antivirals-against-hepatitis-and-hiv-viruses
#14
REVIEW
Lucie Nováková, Jakub Pavlík, Lucia Chrenková, Ondřej Martinec, Lukáš Červený
This review is a Part II of the series aiming to provide comprehensive overview of currently used antiviral drugs and to show modern approaches to their analysis. While in the Part I antivirals against herpes viruses and antivirals against respiratory viruses were addressed, this part concerns antivirals against hepatitis viruses (B and C) and human immunodeficiency virus (HIV). Many novel antivirals against hepatitis C virus (HCV) and HIV have been introduced into the clinical practice over the last decade...
July 8, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/29031302/fast-quantitation-of-opioid-isomers-in-human-plasma-by-differential-mobility-spectrometry-mass-spectrometry-via-spme-open-port-probe-sampling-interface
#15
Chang Liu, Germán Augusto Gómez-Ríos, Bradley B Schneider, J C Yves Le Blanc, Nathaly Reyes-Garcés, Don W Arnold, Thomas R Covey, Janusz Pawliszyn
Mass spectrometry (MS) based quantitative approaches typically require a thorough sample clean-up and a decent chromatographic step in order to achieve needed figures of merit. However, in most cases, such processes are not optimal for urgent assessments and high-throughput determinations. The direct coupling of solid phase microextraction (SPME) to MS has shown great potential to shorten the total sample analysis time of complex matrices, as well as to diminish potential matrix effects and instrument contamination...
October 23, 2017: Analytica Chimica Acta
https://www.readbyqxmd.com/read/29031253/controlling-the-crystal-polymorph-by-exploiting-the-time-dependence-of-nucleation-rates
#16
Laurie J Little, Alice A K King, Richard P Sear, Joseph L Keddie
Most substances can crystallise into two or more different crystal lattices called polymorphs. Despite this, there are no systems in which we can quantitatively predict the probability of one competing polymorph forming instead of the other. We address this problem using large scale (hundreds of events) studies of the competing nucleation of the alpha and gamma polymorphs of glycine. In situ Raman spectroscopy is used to identify the polymorph of each crystal. We find that the nucleation kinetics of the two polymorphs is very different...
October 14, 2017: Journal of Chemical Physics
https://www.readbyqxmd.com/read/29030557/heading-representations-in-primates-are-compressed-by-saccades
#17
Frank Bremmer, Jan Churan, Markus Lappe
Perceptual illusions help to understand how sensory signals are decoded in the brain. Here we report that the opposite approach is also applicable, i.e., results from decoding neural activity from monkey extrastriate visual cortex correctly predict a hitherto unknown perceptual illusion in humans. We record neural activity from monkey medial superior temporal (MST) and ventral intraparietal (VIP) area during presentation of self-motion stimuli and concurrent reflexive eye movements. A heading-decoder performs veridically during slow eye movements...
October 13, 2017: Nature Communications
https://www.readbyqxmd.com/read/29030307/egfr-targeted-multifunctional-polymersomal-doxorubicin-induces-selective-and-potent-suppression-of-orthotopic-human-liver-cancer-in-vivo
#18
Yuan Fang, Weijing Yang, Liang Cheng, Fenghua Meng, Jian Zhang, Zhiyuan Zhong
Liver cancer is a globally leading malignancy that has a poor five-year survival rate of less than 20%. The systemic chemotherapeutics are generally ineffective for liver cancers partly due to fast clearance and low tumor uptake. Here, we report that GE11 peptide functionalized polymersomal doxorubicin (GE11-PS-DOX) effectively targets and inhibits epidermal growth factor receptor (EGFR)-positive SMMC7721 orthotopic human liver tumor xenografts in mice. GE11-PS-DOX with a GE11 surface density of 10% displayed a high drug loading of 15...
October 10, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/29030272/impact-of-fasting-followed-by-short-term-exposure-to-interleukin-6-on-cytochrome-p450-mrna-in-mice
#19
Martin Krøyer Rasmussen, Lærke Bertholdt, Anders Gudiksen, Henriette Pilegaard, Jakob G Knudsen
mRNA expression of the cytochrome P450 (CYP) enzyme family is regulated by numerous factors. Fasting has been shown to induce increased hepatic CYP mRNA in both humans and animals. However, the coordinated regulation of CYP, CYP-regulating transcription factors, and transcriptional co-factors in the liver linking energy metabolism to detoxification has never been investigated. Interleukin-6 (IL-6) has been suggested to be released during fasting and has been shown to regulate CYP expression. The present study investigated the mRNA content of selected CYP, AhR, CAR, PXR and PPARα in mice fasted for 18hours and subsequently exposed to IL-6...
October 10, 2017: Toxicology Letters
https://www.readbyqxmd.com/read/29029544/melflufen-a-peptidase-potentiated-alkylating-agent-in-clinical-trials
#20
REVIEW
Malin Wickström, Peter Nygren, Rolf Larsson, Johan Harmenberg, Jakob Lindberg, Per Sjöberg, Markus Jerling, Fredrik Lehmann, Paul Richardson, Kenneth Anderson, Dharminder Chauhan, Joachim Gullbo
Aminopeptidases like aminopeptidase N (APN, also known as CD13) play an important role not only in normal cellular functioning but also in the development of cancer, including processes like tumor cell invasion, differentiation, proliferation, apoptosis, motility, and angiogenesis. An increased expression of APN has been described in several types of human malignancies, especially those characterized by fast-growing and aggressive phenotypes, suggesting APN as a potential therapeutic target. Melphalan flufenamide ethyl ester (melflufen, previously denoted J1) is a peptidase-potentiated alkylating agent...
September 12, 2017: Oncotarget
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