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Udaya Seneviratne, Graham Hepworth, Mark Cook, Wendyl D'Souza
PURPOSE: To evaluate electroencephalographic (EEG) differences among syndromes in genetic generalized epilepsy (GGE) based on quantified data. METHODS: 24-hour ambulatory EEGs were recorded in consecutive patients diagnosed with GGE. All epileptiform EEG abnormalities were quantified into density scores (total duration of epileptiform discharges per hour). We conducted one-way analysis of variance (ANOVA) to find out differences in EEG density scores among the syndromes...
October 19, 2016: Journal of Clinical Neurophysiology: Official Publication of the American Electroencephalographic Society
Lorraine D Rodriguez-Rivera, Kevin J Cummings, Isaac McNeely, Jan S Suchodolski, Andrea V Scorza, Michael R Lappin, Brian T Mesenbrink, Bruce R Leland, Michael J Bodenchuk
The population size and geographic range of feral pigs in the United States are rapidly expanding. Nevertheless, the role of this invasive species in the ecology and transmission of zoonotic enteric pathogens is poorly understood. Our objectives were to describe the prevalence and diversity of Cryptosporidium and Giardia shedding among feral pigs throughout Texas and to identify risk factors for infection. Fecal samples were collected from feral pigs in Texas from February 2014 through May 2015. Cryptosporidium oocysts and Giardia cysts were detected using a direct immunofluorescence assay, and genotyping of positive samples was performed...
October 20, 2016: Vector Borne and Zoonotic Diseases
Zachary Y Huang, Stephanie Lin, Kiheung Ahn
Methoprene, a juvenile hormone (JH) analog, is a widely used insecticide that also accelerates behavioral development in honey bees (Apis mellifera). JH regulates the transition from nursing to foraging in adult worker bees, and treatment with JH or methoprene have both been shown to induce precocious foraging. To determine how methoprene changes honey bee behavior, we compared JH titers of methoprene-treated and untreated bees. Behavioral observations confirmed that methoprene treatment significantly increased the number of precocious foragers in 3 out of 4 colonies...
October 20, 2016: Insect Science
Agnieszka Mika, Heidi E Day, Alexander Martinez, Nicole L Rumian, Benjamin N Greenwood, Maciej Chichlowski, Brian M Berg, Monika Fleshner
Manipulating gut microbes may improve mental health. Prebiotics are indigestible compounds that increase the growth and activity of health- promoting microorganisms, yet few studies have examined how prebiotics affect CNS function. Using an acute inescapable stressor known to produce learned helplessness behaviors such as failure to escape and exaggerated fear, we tested whether early life supplementation of a blend of two prebiotics, galactooligosaccharide (GOS) and polydextrose (PDX), and the glycoprotein lactoferrin (LAC) would attenuate behavioral and biological responses to stress later in life...
October 20, 2016: European Journal of Neuroscience
Matthias Boentert, Hélène Prigent, Katalin Várdi, Harrison N Jones, Uwe Mellies, Anita K Simonds, Stephan Wenninger, Emilia Barrot Cortés, Marco Confalonieri
Pompe disease is an autosomal-recessive lysosomal storage disorder characterized by progressive myopathy with proximal muscle weakness, respiratory muscle dysfunction, and cardiomyopathy (in infants only). In patients with juvenile or adult disease onset, respiratory muscle weakness may decline more rapidly than overall neurological disability. Sleep-disordered breathing, daytime hypercapnia, and the need for nocturnal ventilation eventually evolve in most patients. Additionally, respiratory muscle weakness leads to decreased cough and impaired airway clearance, increasing the risk of acute respiratory illness...
October 17, 2016: International Journal of Molecular Sciences
Hemant Gujar, Subba Reddy Palli
To begin studies on reproduction in common bed bug, Cimex lectularius, we identified three genes coding for vitellogenin (Vg, a protein required for the reproductive success of insects) and studied their hormonal regulation. RNA interference studied showed that expression of Vg3 gene in the adult females is a prerequisite for successful completion of embryogenesis in the eggs laid by them. Juvenile hormone (JH) receptor, Methoprene-tolerant (Met), steroid receptor coactivator (SRC) and GATAa but not ecdysone receptor (EcR) or its partner, ultraspiracle (USP) are required for expression of Vg genes...
October 20, 2016: Scientific Reports
Alessandro Consolaro, Esi M Morgan, Gabriella Giancane, Silvia Rosina, Stefano Lanni, Angelo Ravelli
Information technology in paediatric rheumatology has seen several exciting developments in recent years. The new multidimensional questionnaires for juvenile idiopathic arthritis, juvenile dermatomyositis, and juvenile autoinflammatory diseases integrate all major parent- and child-reported outcomes (PCROs) used in these diseases into a single tool, and provide an effective guide to manage, document change in health, assess effectiveness of therapeutic interventions, and verify the parent and child satisfaction with illness outcome...
September 2016: Clinical and Experimental Rheumatology
A Shammas, A S Doria, A Amirabadi, H Gahunia, R Jong, M Charron, R Moineddin, U Metser
RATIONALE: (18) F-FDG-PET/CT has a potential role in the early detection of haemophilic arthritis, at a time when treatment may still avoid further joint degeneration. The purposes of this pilot study were to determine the ability of (18) F-FDG-PET/CT to detect inflammatory changes associated with blood-induced arthropathy in knees of a rabbit model. METHODS: Ten juvenile rabbits were imaged at baseline and weeks 5 and 17 post intraarticular autologous blood injections (ABI)...
October 20, 2016: Haemophilia: the Official Journal of the World Federation of Hemophilia
Marta Kołodziej-Sobocińska, Aleksander W Demiaszkiewicz, Jacek Lachowicz, Tomasz Borowik, Rafał Kowalczyk
The full course of new parasite introductions in wild animals is difficult to accurately trace. We documented and analysed the invasive blood-sucking nematode Ashworthius sidemi (Trichostrongylidae) introduction and spread in European bison (Bison bonasus) from the initial phase of its progression. In the Polish part of the Białowieża Primeval Forest (BPF) the parasite was first found in 2000. From 2002 to 2015, 165 culled bison were investigated. The prevalence and intensity of A. sidemi Schulz, 1933 infection increased over the following years, reaching 100% of investigated bison four years after introduction and a maximal median intensity of 8200 nematodes per animal in the winter of 2008/2009...
December 2016: International Journal for Parasitology. Parasites and Wildlife
Oselyne T W Ong, Lauren J Young, Julie M Old
BACKGROUND: Reference genes serve an important role as an endogenous control/standard for data normalisation in gene expression studies. Although reference genes have recently been suggested for marsupials, independent analysis of reference genes on different immune tissues is yet to be tested. Therefore, an assessment of reference genes is needed for the selection of stable, expressed genes across different marsupial tissues. METHODS: The study was conducted on red-tailed phascogales (Phascogale calura) using five juvenile and five adult males...
2016: PeerJ
Pedro H C Pereira, Marcus Santos, Daniel L Lippi, Pedro Silva
Parrotfish are fundamental species in controlling algal phase-shifts and ensuring the resilience of coral reefs. Nevertheless, little is known on their ecological role in the south-western Atlantic Ocean. The present study analysed the ontogenetic foraging activity and feeding selectivity of the Brazilian endemic parrotfish Scarus zelindae using behavioural observation and benthic composition analyses. We found a significant negative relationship between fish size and feeding rates for S. zelindae individuals...
2016: PeerJ
Jia Jia, Ke-Qin Gao
A new fossil salamander, Nuominerpeton aquilonaris (gen. et sp. nov.), is named and described based on specimens from the Lower Cretaceous Guanghua Formation of Inner Mongolia, China. The new discovery documents a far northern occurrence of Early Cretaceous salamanders in China, extending the geographic distribution for the Mesozoic fossil record of the group from the Jehol area (40th-45th parallel north) to near the 49th parallel north. The new salamander is characterized by having the orbitosphenoid semicircular in shape; coracoid plate of the scapulocoracoid greatly expanded with a convex ventral and posterior border; ossification of two centralia in carpus and tarsus; and first digit being about half the length of the second digit in both manus and pes...
2016: PeerJ
Edwin J Niklitschek, Audrey M Darnaude
BACKGROUND: Mixture models (MM) can be used to describe mixed stocks considering three sets of parameters: the total number of contributing sources, their chemical baseline signatures and their mixing proportions. When all nursery sources have been previously identified and sampled for juvenile fish to produce baseline nursery-signatures, mixing proportions are the only unknown set of parameters to be estimated from the mixed-stock data. Otherwise, the number of sources, as well as some/all nursery-signatures may need to be also estimated from the mixed-stock data...
2016: PeerJ
Noora Rafeek, Rajeswaran Rangasami, Kamakshi Dhanraj, Santhosh Joseph
Juvenile giant fibroadenoma is a very rare breast disease affecting young girls of premenarche and adolescent ages. It is a benign fibroepithelial tumour characterised by stromal and epithelial proliferation that causes rapidly growing breast mass. Bilateral symmetrical involvement is extremely rare. In this article, we describe this entity in a girl aged 13 years who presented with bilateral gigantically enlarged breasts. Ultrasonography and MRI showed large, multilobulated masses involving both breasts entirely...
October 6, 2016: BMJ Case Reports
Francesco Ricci, Andrea Paradisi, Giorgio Annessi, Mauro Paradisi, Damiano Abeni
BACKGROUND: The solitary form of Spitz nevus is a common clinical entity in children, typically occurring on the face and extremities. However, less frequent variants of Spitz nevi, such as agminated forms and eruptive disseminated Spitz nevi (EDSN), have been described. The agminated form is characterised by localised clusters or segmental distribution of Spitz nevi on the face, back, or extremities. First described as "eruptive juvenile melanomata", EDSN is the rarest clinical variant, consisting of a widespread eruption of Spitz nevi, most frequently involving the trunk, buttocks, and proximal limbs, and usually occurs in the second to third decade of life...
October 19, 2016: European Journal of Dermatology: EJD
Gerald J Haeffel, Sascha Hein, Amanda Square, Donna Macomber, Maria Lee, John Chapman, Elena L Grigorenko
This study reports findings from the administration of a social problem-solving training (SPST) intervention to juvenile detainees in the Connecticut Youth Detainee Program. SPST is a cognitive behavioral intervention that teaches children and youth how to more effectively cope with interpersonal stress and conflict. In the current study, we tested whether SPST could decrease depressive symptoms in a sample of detained adolescent offenders. The study used a randomized-control design with detention staff administering the intervention...
October 19, 2016: Development and Psychopathology
Xiaoqi Li, Yong Chen, Ruosha Li
We consider recurrent events of the same type that occur during alternating restraint and non-restraint time periods. This research is motivated by a study on juvenile recidivism, where the probationers were followed for re-offenses during alternating placement periods and free-time periods. During the placement periods, the probationers were under a restricted environment with direct supervision of the probation officers. During the free-time periods, the probationers were released to home and not under direct supervision...
October 18, 2016: Statistics in Medicine
Karl J Niklas, Ulrich Kutschera
In 1790, the German poet Johann W. v. Goethe (1749-1832) proposed the concept of a hypothetical sessile organism known as the 'Plant Archetype,' which was subsequently reconstructed and depicted by 19th-century botanists, such as Franz Unger (1800-1870) and Julius Sachs (1832-1897), and can be considered one of the first expressions of Evo-Devo thinking. Here, we present the history of this concept in the context of Ernst Haeckel's (1834-1919) biogenetic law espoused in his Generelle Morphologie der Organismen of 1866...
October 18, 2016: Theory in Biosciences, Theorie in Den Biowissenschaften
Andrea J Morash, Sara R C Mackellar, Louise Tunnah, David A Barnett, Kilian M Stehfest, Jayson M Semmens, Suzanne Currie
Estuarine habitats are frequently used as nurseries by elasmobranch species for their protection and abundant resources; however, global climate change is increasing the frequency and severity of environmental challenges in these estuaries that may negatively affect elasmobranch physiology. Hyposmotic events are particularly challenging for marine sharks that osmoconform, and species-specific tolerances are not well known. Therefore, we sought to determine the effects of an acute (48 h) ecologically relevant hyposmotic event (25...
2016: Conservation Physiology
Rille Pullerits, Hanna Schierbeck, Karin Uibo, Hille Liivamägi, Sirje Tarraste, Tiina Talvik, Erik Sundberg, Chris Pruunsild
OBJECTIVE: High mobility group box protein 1 (HMGB1) is an important pro-inflammatory mediator in adult rheumatoid arthritis. The diagnostic utility of HMGB1 in Juvenile Idiopathic Arthritis (JIA) is still unclear. The aim was to examine whether serum HMGB1 levels are associated with inflammation, radiological disease progression, and long-term prognosis in JIA. METHODS: We included 131 children with JIA from a population-based prevalence study; 38 of them were prospectively followed up for 10 years...
August 26, 2016: Seminars in Arthritis and Rheumatism
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