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https://www.readbyqxmd.com/read/28649394/functional-neuroimaging-and-chorea-a-systematic-review
#1
REVIEW
Debra J Ehrlich, Ruth H Walker
Chorea is a hyperkinetic movement disorder consisting of involuntary irregular, flowing movements of the trunk, neck or face. Although Huntington's disease is the most common cause of chorea in adults, chorea can also result from many other neurodegenerative, metabolic, and autoimmune conditions. While the pathophysiology of these different conditions is quite variable, recent advances in functional imaging have enabled the development of new methods for analysis of brain activity and neuronal dysfunction. In this paper we review the growing body of functional imaging data that has been performed in chorea syndromes and identify particular trends, which can be used to better understand the underlying network changes within the basal ganglia...
2017: Journal of Clinical Movement Disorders
https://www.readbyqxmd.com/read/28644081/effects-of-added-lipids-on-digestibility-and-nitrogen-balance-in-oiled-common-murres-uria-aalge-and-western-grebes-aechmophorus-occidentalis-fed-four-formulations-of-a-critical-care-diet
#2
Rebecca S Duerr, Kirk C Klasing
Nutritional support is a primary therapy administered to oiled animals during responses to oil spills, but data informing nutritional decision-making during events are limited. In this study, 44 common murres ( Uria aalge ) and 6 Western grebes ( Aechmophorus occidentalis ), naturally oiled by oceanic seeps off the coast of Ventura and Santa Barbara Counties, CA, USA, were assigned to 1 of 4 groups fed diets with varying levels (6.8% [no added oil], 11%, and 20%) and types (salmon, corn) of oil added to a partially purified basal diet...
June 2017: Journal of Avian Medicine and Surgery
https://www.readbyqxmd.com/read/28643425/ideglira-was-effective-across-a-range-of-dysglycaemia-and-bmi-categories-in-the-dual-v-randomized-trial
#3
Ildiko Lingvay, Stewart Harris, Elmar Jaeckel, Keval Chandarana, Mattis F Ranthe, Esteban Jódar
This study assessed the efficacy of insulin degludec/liraglutide (IDegLira) versus insulin glargine U100 (IGlar) across categories of baseline HbA1c (≤7.5%, >7.5- ≤ 8.5% and >8.5%), body mass index (BMI; <30, ≥30- < 35 and ≥35 kg/m(2) ) and fasting plasma glucose (FPG; <7.2 and ≥7.2 mmol/L) in patients with type 2 diabetes (T2D) uncontrolled on basal insulin, using post hoc analyses of the DUAL V 26-week trial. With IDegLira, mean HbA1c was reduced across all baseline HbA1c (1...
June 23, 2017: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/28643293/-why-is-a-combination-of-basal-insulin-with-a-glp-1-receptor-agonist-useful-in-many-patients-with-type-2-diabetes
#4
Michael Nauck, Birgit Wilhelm
BACKGROUND: In 2015, the combination of basal insulin and GLP-1 receptor agonist (RA) was incorporated into the guideline recommendations for type 2 diabetes as an option for the last escalation step. The two antidiabetics to be injected subcutaneously are complementary regarding their respective main effects and limitations. Basal insulin is predominantly active between meals and in the fasting state, whereas the main action of GLP-1 RA consists in preventing an excessive postprandial blood glucose increase...
June 2017: MMW Fortschritte der Medizin
https://www.readbyqxmd.com/read/28642697/targeting-microglial-activation-states-as-a-therapeutic-avenue-in-parkinson-s-disease
#5
REVIEW
Sudhakar R Subramaniam, Howard J Federoff
Parkinson's disease (PD) is a chronic and progressive disorder characterized neuropathologically by loss of dopamine neurons in the substantia nigra, intracellular proteinaceous inclusions, reduction of dopaminergic terminals in the striatum, and increased neuroinflammatory cells. The consequent reduction of dopamine in the basal ganglia results in the classical parkinsonian motor phenotype. A growing body of evidence suggest that neuroinflammation mediated by microglia, the resident macrophage-like immune cells in the brain, play a contributory role in PD pathogenesis...
2017: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/28635127/cardiovascular-risk-score-is-linked-to-subcutaneous-adipocyte-size-and-lipid-metabolism
#6
Mikael Rydén, Peter Arner
OBJECTIVE: Although white adipose tissue mass and distribution correlates with cardiovascular disease, the fat cell-specific perturbations underlying this association are not known. We determined the relationship between adipocyte size and lipid metabolism with cardiovascular risk. DESIGN/SUBJECTS: Adipocyte size as well as spontaneous (basal) and hormone-stimulated effects on adipocyte lipid metabolism (lipolysis and lipogenesis) were investigated in abdominal subcutaneous adipose tissue of 304 men and 775 women...
June 21, 2017: Journal of Internal Medicine
https://www.readbyqxmd.com/read/28630355/apical-and-basal-epitheliomuscular-f-actin-dynamics-during-hydra-bud-evagination
#7
Roland Aufschnaiter, Roland Wedlich-Söldner, Xiaoming Zhang, Bert Hobmayer
Bending of 2D cell sheets is a fundamental morphogenetic mechanism during animal development and reproduction. A critical player driving cell shape during tissue bending is the actin cytoskeleton. Much of our current knowledge about actin dynamics in whole organisms stems from studies of embryonic development in bilaterian model organisms. Here, we have analysed actin-based processes during asexual bud evagination in the simple metazoan Hydra We created transgenic Hydra strains stably expressing the actin marker Lifeact-GFP in either ectodermal or endodermal epitheliomuscular cells...
June 19, 2017: Biology Open
https://www.readbyqxmd.com/read/28628804/neuronal-substrates-of-sleep-homeostasis-lessons-from-flies-rats-and-mice
#8
REVIEW
Jeffrey M Donlea, Md Noor Alam, Ronald Szymusiak
Sleep homeostasis is a fundamental property of vigilance state regulation that is highly conserved across species. Neuronal systems and circuits that underlie sleep homeostasis are not well understood. In Drosophila, a neuronal circuit involving neurons in the ellipsoid body and in the dorsal Fan-shaped body is a candidate for both tracing sleep need during waking and translating it to increased sleep drive and expression. Sleep homeostasis in rats and mice involves multiple neuromodulators acting on multiple wake- and sleep-promoting neuronal systems...
June 16, 2017: Current Opinion in Neurobiology
https://www.readbyqxmd.com/read/28628422/t1%C3%AF-weighted-dynamic-glucose-enhanced-mr-imaging-in-the-human-brain
#9
Daniel Paech, Patrick Schuenke, Christina Koehler, Johannes Windschuh, Sibu Mundiyanapurath, Sebastian Bickelhaupt, David Bonekamp, Philipp Bäumer, Peter Bachert, Mark E Ladd, Martin Bendszus, Wolfgang Wick, Andreas Unterberg, Heinz-Peter Schlemmer, Moritz Zaiss, Alexander Radbruch
Purpose To evaluate the ability to detect intracerebral regions of increased glucose concentration at T1ρ-weighted dynamic glucose-enhanced (DGE) magnetic resonance (MR) imaging at 7.0 T. Materials and Methods This prospective study was approved by the institutional review board. Nine patients with newly diagnosed glioblastoma and four healthy volunteers were included in this study from October 2015 to July 2016. Adiabatically prepared chemical exchange-sensitive spin-lock imaging was performed with a 7.0-T whole-body unit with a temporal resolution of approximately 7 seconds, yielding the time-resolved DGE contrast...
June 16, 2017: Radiology
https://www.readbyqxmd.com/read/28627054/effect-of-moringa-oleifera-leaf-powder-supplementation-on-growth-performance-and-intestinal-morphology-in-broiler-chickens
#10
I Khan, H Zaneb, S Masood, M S Yousaf, H F Rehman, H Rehman
Due to public health hazards of subtherapeutic use of antibiotics in poultry feed, there is a need for alternatives. Moringa oleifera is a phytobiotic, which is reported to possess antimicrobial and immuno-modulatory properties. This study aimed to investigate effects of M. oleifera leaf powder (MOLP) supplementation on growth performance and intestinal microarchitecture of broiler chickens. Day-old broiler chicks (n = 100) were randomly divided into five groups with four replicates each having five birds...
June 2017: Journal of Animal Physiology and Animal Nutrition
https://www.readbyqxmd.com/read/28626803/estimation-of-insulin-secretion-glucose-uptake-by-tissues-and-liver-handling-of-glucose-using-a-mathematical-model-of-glucose-insulin-homeostasis-in-lean-and-obese-mice
#11
Michael Brenner, Sakineh Esmaeili Mohsen Abadi, Ramin Balouchzadeh, H Felix Lee, Hoo Sang Ko, Michael Johns, Nehal Malik, Joshua J Lee, Guim Kwon
Destruction of the insulin-producing β-cells is the key determinant of diabetes mellitus regardless of their types. Due to their anatomical location within the islets of Langerhans scattered throughout the pancreas, it is difficult to monitor β-cell function and mass clinically. To this end, we propose to use a mathematical model of glucose-insulin homeostasis to estimate insulin secretion, glucose uptake by tissues, and hepatic handling of glucose. We applied the mathematical model by Lombarte et al. (2013) to compare various rate constants representing glucose-insulin homeostasis between lean (11% fat)- and high fat diet (HFD; 45% fat)-fed mice...
June 2017: Heliyon
https://www.readbyqxmd.com/read/28625846/biogenesis-of-the-flagellar-switch-complex-in-escherichia-coli-formation-of-sub-complexes-independently-of-the-basal-body-ms-ring
#12
Eun A Kim, Joseph Panushka, Trevor Meyer, Nicholas Ide, Ryan Carlisle, Samantha Baker, David F Blair
Direction switching in the flagellar motor of Escherichia coli is under the control of a complex on the rotor formed from the proteins FliG, FliM, and FliN. FliG lies at the top of the switch complex (i.e., nearest the membrane) and is arranged with its C-terminal domain (FliGC) resting on the middle domain (FliGM) of the neighboring subunit. This organization requires the protein to adopt an open conformation that exposes the surfaces engaging in inter-subunit FliGC/FliGM contacts. In a recent study, Baker and coworkers [Nat...
June 15, 2017: Journal of Molecular Biology
https://www.readbyqxmd.com/read/28625550/maternal-exposure-to-western-diet-affects-adult-body-composition-and-voluntary-wheel-running-in-a-genotype-specific-manner-in-mice
#13
Layla Hiramatsu, Jarren Kay, Zoe Thompson, Jennifer Singleton, Gerald Claghorn, Ralph Lacerda de Albuquerque, Brittany Ho, Brett Ho, Gabriela Sanchez, Theodore Garland
Some human diseases, including obesity, Type II diabetes, and numerous cancers, are thought to be influenced by environments experienced in early life, including in utero. Maternal diet during the perinatal period may be especially important for adult offspring energy balance, potentially affecting both body composition and physical activity. This effect may be mediated by the genetic background of individuals, including, for example, potential "protective" mechanisms for individuals with inherently high levels of physical activity or high basal metabolic rates...
June 15, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28625504/mutations-in-armc9-which-encodes-a-basal-body-protein-cause-joubert-syndrome-in-humans-and-ciliopathy-phenotypes-in-zebrafish
#14
Julie C Van De Weghe, Tamara D S Rusterholz, Brooke Latour, Megan E Grout, Kimberly A Aldinger, Ranad Shaheen, Jennifer C Dempsey, Sateesh Maddirevula, Yong-Han H Cheng, Ian G Phelps, Matthias Gesemann, Himanshu Goel, Ohad S Birk, Talal Alanzi, Rifaat Rawashdeh, Arif O Khan, Michael J Bamshad, Deborah A Nickerson, Stephan C F Neuhauss, William B Dobyns, Fowzan S Alkuraya, Ronald Roepman, Ruxandra Bachmann-Gagescu, Dan Doherty
Joubert syndrome (JS) is a recessive neurodevelopmental disorder characterized by hypotonia, ataxia, abnormal eye movements, and variable cognitive impairment. It is defined by a distinctive brain malformation known as the "molar tooth sign" on axial MRI. Subsets of affected individuals have malformations such as coloboma, polydactyly, and encephalocele, as well as progressive retinal dystrophy, fibrocystic kidney disease, and liver fibrosis. More than 35 genes have been associated with JS, but in a subset of families the genetic cause remains unknown...
June 14, 2017: American Journal of Human Genetics
https://www.readbyqxmd.com/read/28624930/basal-and-bolus-insulin-dose-changes-after-switching-basal-insulin-to-insulin-degludec-in-patients-with-type-1-diabetes%C3%A2-mellitus-a-pilot-study
#15
Yoshiyuki Hamamoto, Sachiko Honjo, Kanta Fujimoto, Shinsuke Tokumoto, Hiroki Ikeda, Yoshiharu Wada, Hiroyuki Koshiyama
BACKGROUND AND OBJECTIVES: Ultra-long-acting insulin degludec (DEG) has a longer duration of action and less daily variability relative to other basal insulin (BI), and thus may benefit patients with type 1 diabetes mellitus (T1DM). We examined the impact of switching BI to DEG on glycemic control and insulin dose in T1DM. METHODS: T1DM patients (n = 22; six male; mean age: 64.5 ± 12.6 years) receiving basal-bolus insulin therapy were included. Initially, the BI dose was replaced with DEG in a 1:1 ratio; 80-100% of the total dose was replaced with DEG for multiple basal insulin injections...
June 17, 2017: Clinical Drug Investigation
https://www.readbyqxmd.com/read/28624345/lamprey-neural-crest-migration-is-snail-dependent-and-occurs-without-a-differential-shift-in-cadherin-expression
#16
Joshua R York, Tian Yuan, Kevin Zehnder, David W McCauley
The acquisition of neural crest cells was a key step in the origin of the vertebrate body plan. An outstanding question is how neural crest cells acquired their ability to undergo an epithelial-mesenchymal transition (EMT) and migrate extensively throughout the vertebrate embryo. We tested if differential regulation of classical cadherins-a highly conserved feature of neural crest EMT and migration in jawed vertebrates-mediates these cellular behaviors in lamprey, a basal jawless vertebrate. Lamprey has single copies of the type I and type II classical cadherins (CadIA and CadIIA)...
June 15, 2017: Developmental Biology
https://www.readbyqxmd.com/read/28623287/heritability-and-responses-to-high-fat-diet-of-plasma-lipidomics-in-a-twin-study
#17
Turid Frahnow, Martin A Osterhoff, Silke Hornemann, Michael Kruse, Michal A Surma, Christian Klose, Kai Simons, Andreas F H Pfeiffer
Lipidomics have a great potential as clinical tool for monitoring metabolic changes in health and disease. Nevertheless hardly anything is known about the heritability of lipids. Therefore, it is necessary to clarify how and how much we can affect these progresses in individuals. In our interventional twin study (46 healthy, non-obese twin pairs) we investigated the lipid profile in plasma samples after switching from a low fat diet to an isocaloric high fat diet (HFD) to characterize the metabolic adaptation...
June 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28622353/transmission-electron-microscopic-observation-of-body-cuticle-structures-of-phoretic-and-parasitic-stages-of-parasitaphelenchinae-nematodes
#18
Taisuke Ekino, Toyoshi Yoshiga, Yuko Takeuchi-Kaneko, Natsumi Kanzaki
Using transmission electron microscopy, we examined the body cuticle ultrastructures of phoretic and parasitic stages of the parasitaphelenchid nematodes Bursaphelenchus xylophilus, B. conicaudatus, B. luxuriosae, B. rainulfi; an unidentified Bursaphelenchus species, and an unidentified Parasitaphelenchus species. Nematode body cuticles usually consist of three zones, a cortical zone, a median zone, and a basal zone. The phoretic stages of Bursaphelenchus spp., isolated from the tracheal systems of longhorn beetles or the elytra of bark beetles, have a thick and radially striated basal zone...
2017: PloS One
https://www.readbyqxmd.com/read/28620013/the-evolution-of-vertical-climbing-in-primates-evidence-from-reaction-forces
#19
Jandy B Hanna, Michael C Granatosky, Pooja Rana, Daniel Schmitt
Vertical climbing is an essential behavior for arboreal animals, yet limb mechanics during climbing are poorly understood and rarely compared to those observed during horizontal walking. Primates commonly engage in both arboreal walking and vertical climbing, and this makes them an ideal taxa in which to compare these locomotor forms. Additionally, primates exhibit unusual limb mechanics compared to most other quadrupeds, with weight distribution biased towards the hindlimbs, a pattern that is argued to have evolved in response to the challenges of arboreal walking...
June 15, 2017: Journal of Experimental Biology
https://www.readbyqxmd.com/read/28619825/spef2-functions-in-microtubule-mediated-transport-in-elongating-spermatids
#20
Mari S Lehti, Fu-Ping Zhang, Noora Kotaja, Anu Sironen
Sperm differentiation requires specific protein transport for correct sperm tail formation and head shaping. A transient microtubular structure, the manchette, appears around the differentiating spermatid head and serves as a platform for protein transport to the growing tail. Sperm flagellar protein 2 (SPEF2) is known to be essential for sperm tail development. In this study we investigated the function of SPEF2 during spermatogenesis using a male germ cell-specific Spef2 knockout mouse model. In addition to defects in sperm tail development, we observed a duplication of the basal body and failure in the manchette migration resulting in an abnormal head shape...
June 15, 2017: Development
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