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https://www.readbyqxmd.com/read/27913599/the-effect-of-food-quality-during-growth-on-spatial-memory-consolidation-in-adult-pigeons
#1
M F Scriba, J Gasparini, L Jacquin, C Mettke-Hofmann, N C Rattenborg, A Roulin
Poor environmental conditions experienced during early development can have negative long-term consequences on fitness. Animals can compensate negative developmental effects through phenotypic plasticity by diverting resources from non-vital to vital traits such as spatial memory to enhance foraging efficiency. We tested in young feral pigeons (Columba livia) how diets of different nutritional value during development affect the capacity to retrieve food hidden in a spatially complex environment, a process we refer to as "spatial memory"...
December 2, 2016: Journal of Experimental Biology
https://www.readbyqxmd.com/read/27909916/effects-of-different-fluences-of-low-level-laser-therapy-in-an-experimental-model-of-spinal-cord-injury-in-rats
#2
Suellen Veronez, Lívia Assis, Paula Del Campo, Flávia de Oliveira, Gláucia de Castro, Ana Claudia Muniz Renno, Carla Christina Medalha
The aim of this study was to evaluate the in vivo response of different fluences of low-level laser therapy (LLLT) on the area of the injury, inflammatory markers, and functional recovery using an experimental model of traumatic spinal cord injury (SCI). Thirty two rats were randomly divided into four experimental groups: control group (CG), laser-treated group 500 J/cm(2) (L-500), laser-treated group 750 J/cm(2) (L-750), and laser-treated group 1000 J/cm(2) (L-1000). SCI was performed by an impactor equipment (between the ninth and tenth thoracic vertebrae), with a pressure of 150 kdyn...
December 1, 2016: Lasers in Medical Science
https://www.readbyqxmd.com/read/27906614/development-of-new-forms-of-self-injurious-behavior-following-total-dental-extraction-in-lesch-nyhan-disease
#3
Livia Gisbert de la Cuadra, Rosa J Torres, Luis M Beltrán, Arantxa Sánchez, Juan G Puig
We report two Lesch-Nyhan Disease (LND) patients who developed new forms of self-injurious behavior following total dental extraction. Patients 1 and 2 were submitted to total teeth extraction at the age of 13 and 8 years, respectively, due to continuous self-biting, not prevented by mouth guards. Severity of dystonia was markedly reduced and quality of life improved. After 12 and 17 months, respectively, patient 1 started rubbing one foot against other and scratching toenails with his hands, and patient 2 stuck his legs and feet against hard objects...
December 2016: Nucleosides, Nucleotides & Nucleic Acids
https://www.readbyqxmd.com/read/27904927/effects-of-tin-on-enzyme-activity-in-holothuria-grisea-echinodermata-holothuroidea
#4
Tatiana Miura Pereira, Lívia Pôncio Mattar, Edgar Rocha Pereira, Julia Merçon, Ary Gomes da Silva, Zilma Maria Almeida Cruz
This study evaluated the effect of tin exposure on enzyme activity in the sea cucumber (Holothuria grisea Selenka, 1867). After exposure to 0 (control), 0.04, 0.08, or 0.12 mg L(-1) tin, we tested the activities of total cholinesterase in longitudinal muscles, acid phosphatase in gonads and the respiratory tree, as well as alkaline phosphatase in the intestines during a 96-h bioassay. Regression analyses showed that all enzyme activities declined with increasing tin concentrations, except for acid phosphatase in the respiratory tree, which were similarly, inhibited at all tin concentrations...
November 30, 2016: Bulletin of Environmental Contamination and Toxicology
https://www.readbyqxmd.com/read/27903645/upgrading-short-read-animal-genome-assemblies-to-chromosome-level-using-comparative-genomics-and-a-universal-probe-set
#5
Joana Damas, Rebecca O'Connor, Marta Farré, Vasileios Panagiotis E Lenis, Henry J Martell, Anjali Mandawala, Katie Fowler, Sunitha Joseph, Martin T Swain, Darren K Griffin, Denis M Larkin
Most recent initiatives to sequence and assemble new species' genomes de-novo fail to achieve the ultimate endpoint to produce contigs, each representing one whole chromosome. Even the best-assembled genomes (using contemporary technologies) consist of sub-chromosomal sized scaffolds. To circumvent this problem, we developed a novel approach that combines computational algorithms to merge scaffolds into chromosomal fragments, PCR-based scaffold verification and physical mapping to chromosomes. Multi-genome-alignment-guided probe selection led to the development of a set of universal avian BAC clones that permit rapid anchoring of multiple scaffolds to chromosomes on all avian genomes...
November 30, 2016: Genome Research
https://www.readbyqxmd.com/read/27902376/detection-of-a-novel-equine-like-g3-rotavirus-associated-with-acute-gastroenteritis-in-brazil
#6
Sylvia F S Guerra, Luana S Soares, Patrícia S Lobo, Edvaldo T Penha Júnior, Edivaldo C Sousa Júnior, Delana A M Bezerra, Lívia R Vaz, Alexandre C Linhares, Joana D P Mascarenhas
Genotype G3P[8] of rotavirus A (RVA) is detected worldwide, usually associated with Wa-like constellation and exhibiting a long RNA migration pattern. More recently, a novel intergenogroup, G3P[8] reassortant variant with a short electropherotype has emerged in Asia, Oceania and Europe, denoting an overall potential of unusual rotavirus strains. During a RVA surveillance in Brazil, G3P[8] strains were found displaying a short electropherotype pattern, which had not been detected before in this region. This study aims to characterize the complete genomes of 10 G3P[8] strains detected in Northern region of Brazil...
October 18, 2016: Journal of General Virology
https://www.readbyqxmd.com/read/27900835/treatment-of-cutaneous-larva-migrans-with-a-single-session-of-carbon-dioxide-laser-a-study-of-ten-cases-in-the-philippines
#7
Livia Francine Soriano, Miriam Emily Piansay-Soriano
BACKGROUND: Cutaneous larva migrans (CLM) has a detrimental effect on patients' emotional and physical quality of life. Due to local unavailability of gold standard oral treatments for CLM, carbon dioxide laser was attempted. We present a case series where a single session of carbon dioxide laser treatment was associated with cessation of signs and symptoms of CLM. AIMS: The aim of this study was to assess the efficacy of a single session of carbon dioxide laser in the treatment of CLM...
November 29, 2016: Journal of Cosmetic Dermatology
https://www.readbyqxmd.com/read/27893253/perception-of-visual-tactile-colocation-in-the-first-year-of-life
#8
Livia Freier, Luke Mason, Andrew J Bremner
An ability to perceive tactile and visual stimuli in a common spatial frame of reference is a crucial ingredient in forming a representation of one's own body and the interface between bodily and external space. In this study, the authors investigated young infants' abilities to perceive colocation between tactile and visual stimuli presented on the hands. They examined infants' visual preferences for spatially congruent and incongruent visual-tactile events across two age groups (6 months and 10-months). They observed increased duration of looking to incongruent stimuli displays in both age groups, indicating that infants from at least 6 months of age demonstrate the ability to determine whether simultaneously presented visual-tactile perceptual events are colocated or not...
December 2016: Developmental Psychology
https://www.readbyqxmd.com/read/27885041/pigeons-use-distinct-stop-phases-to-control-pecking
#9
Leslie M Theunissen, Thomas Reid, Nikolaus F Troje
Pecking at small targets requires accurate spatial coordination of the head. Goodale (1983a) suggested that planning of the peck happens during two distinct stop phases, but although this idea has now been around for a long time, the specific functional roles of these stop phases remain unsolved. Here, we investigated the characteristics of the two stop phases using high-speed motion capture and examined their functions with two experiments. In Experiment 1, we tested the hypothesis that the second stop phase is used to pre-program the final approach to a target and analyzed head movements while pigeons (Columba livia) pecked at targets of different size...
November 24, 2016: Journal of Experimental Biology
https://www.readbyqxmd.com/read/27882510/planned-treatment-of-advanced-metastatic-disease-with-completion-ablation-after-hepatic-resection
#10
Bruno C Odisio, Suguru Yamashita, Livia Frota, Steven Y Huang, Scott E Kopetz, Kamran Ahrar, Yun Shin Chun, Thomas A Aloia, Marshall E Hicks, Sanjay Gupta, Jean-Nicolas Vauthey
PURPOSE: The aim of this study is to describe a modified treatment strategy with image-guided percutaneous ablation after hepatic resection as a completion method to surgical eradication of liver metastases ("completion ablation [CA]"). METHODS: We conducted a retrospective analyses of patients who underwent CA within 180 days from the liver surgical resection to eradicate liver metastases present on the pre-surgical cross-sectional imaging or identified during intraoperative ultrasound that were not resected due to various reasons...
November 23, 2016: Journal of Gastrointestinal Surgery: Official Journal of the Society for Surgery of the Alimentary Tract
https://www.readbyqxmd.com/read/27880808/natural-schistosoma-mansoni-infection-in-the-wild-reservoir-nectomys-squamipes-leads-to-excessive-lipid-droplet-accumulation-in-hepatocytes-in-the-absence-of-liver-functional-impairment
#11
Kátia B Amaral, Thiago P Silva, Kássia K Malta, Lívia A S Carmo, Felipe F Dias, Mariana R Almeida, Gustavo F S Andrade, Jefferson S Martins, Roberto R Pinho, Sócrates F Costa-Neto, Rosana Gentile, Rossana C N Melo
Schistosomiasis is a neglected tropical disease of a significant public health impact. The water rat Nectomys squamipes is one of the most important non-human hosts in the schistosomiasis mansoni transmission in Brazil, being considered a wild reservoir. Cellular mechanisms that contribute to the physiological adaptation of this rodent to the Schistosoma mansoni parasite are poorly understood. Here we identified, for the first time, that a hepatic steatosis, a condition characterized by excessive lipid accumulation with formation of lipid droplets (LDs) within hepatocytes, occurs in response to the natural S...
2016: PloS One
https://www.readbyqxmd.com/read/27876975/detection-of-cryptosporidium-spp-in-free-ranging-animals-of-tehran-iran
#12
Mehran Mirzaghavami, Javid Sadraei, Mehdi Forouzandeh
Cryptosporidium is a world widely distributed parasite which comparatively has a high prevalence in developing countries. The zoonotic potential of some Cryptosporidium species has made the cryptosporidiosis a significant concern to physicians and veterinarians. The occurrence and zoonotic potential of Cryptosporidium species in probable reservoir hosts for man infections was determined by examining faeces of symptomatic and asymptomatic animals. The aim of this study is to screen the presence of Cryptosporidium in fecal sample of free ranging animals in Tehran using Ziehl-Neelsen staining method...
December 2016: Journal of Parasitic Diseases: Official Organ of the Indian Society for Parasitology
https://www.readbyqxmd.com/read/27876958/effect-of-haemoproteus-columbae-infection-on-the-hemogram-of-the-pigeons-columba-livia-domestica
#13
Amir Dehghani Samani, Khodadad Pirali Kheirabadi, Abdonnaser Mohebbi
It has been reported that parasites affect the health and productivity of birds, initiate excessive preening which interrupts feeding, as the birds spend much time preening rather than being involved in other essential life activities. Haemoproteuscolumbae occurs in pigeons widely in tropical and subtropical regions. The present investigation was concentrated on the effect of H. columbae infection on the hemogram and changes in the number of white blood cells in infected pigeons. Blood samples taked from 100 pigeons in Shahrekord...
December 2016: Journal of Parasitic Diseases: Official Organ of the Indian Society for Parasitology
https://www.readbyqxmd.com/read/27873323/inflammation-enhances-the-vaccination-potential-of-cd40-activated-b-cells-in-mice
#14
Mélissa Mathieu, Livia Odagiu, Léa Gaudot, Jean-François Daudelin, Heather J Melichar, Réjean Lapointe, Nathalie Labrecque
Vaccination with antigen-pulsed CD40-activated B (CD40-B) cells can efficiently lead to the in vivo differentiation of naive CD8(+) T cells into fully functional effectors. In contrast to bone marrow-derived dendritic cell (BMDC) vaccination, CD40-B cell priming does not allow for memory CD8(+) T-cell generation but the reason for this deficiency is unknown. Here, we show that compared to BMDCs, murine CD40-B cells induce lower expression of several genes regulated by T-cell receptor signalling, co-stimulation and inflammation (signals 1 to 3) in mouse T cells...
November 22, 2016: European Journal of Immunology
https://www.readbyqxmd.com/read/27872402/effect-of-training-exercise-on-urinary-brain-derived-neurotrophic-factor-levels-and-cognitive-performances-in-overweight-and-obese-subjects-a-pilot-study
#15
Angelo Russo, Livia Buratta, Roberto Pippi, Cristina Aiello, Claudia Ranucci, Elisa Reginato, Valerio Santangelo, Pierpaolo DeFeo, Claudia Mazzeschi
Exercise-mediated, brain-derived neurotrophic factor induction benefits health and cognitive functions. The multifaceted interplay between physical activity, urinary brain-derived neurotrophic factor levels and cognitive functioning has been largely neglected in previous literature. In this pilot study, two bouts of training exercise (65% and 70% of heart rate reserve) influenced urinary brain-derived neurotrophic factor levels and cognitive performances in 12 overweight and obese participants. Percent heart rate reserve, expenditure energy, brain-derived neurotrophic factor urinary levels and cognitive performances were measured before and after the exercise...
November 21, 2016: Psychological Reports
https://www.readbyqxmd.com/read/27869996/efficacy-of-noninvasive-brain-stimulation-on-pain-control-in-migraine-patients-a-systematic-review-and-meta-analysis
#16
REVIEW
Lívia Shirahige, Lorena Melo, Fernanda Nogueira, Sérgio Rocha, Kátia Monte-Silva
OBJECTIVE: To evaluate the efficacy of noninvasive brain stimulation (NIBS) on pain control in migraine patients. BACKGROUND: Recent studies have used NIBS as an abortive and prophylactic treatment for migraine; however, its efficacy regarding meaningful clinical effects remains to be critically analyzed. DESIGN: Systematic review of controlled clinical trials. METHODS: Searches were conducted in six databases: MEDLINE (via PubMed), LILACS (via BIREME), CINAHL (via EBSCO), Scopus (via EBSCO), Web of Science, and CENTRAL...
November 2016: Headache
https://www.readbyqxmd.com/read/27869982/characteristics-of-the-first-cases-of-microcephaly-possibly-related-to-zika-virus-reported-in-the-metropolitan-region-of-recife-pernambuco-state-brazil
#17
Alexander Vargas, Eduardo Saad, George Santiago Dimech, Roselene Hans Santos, Maria Auxiliadora Vieira Caldas Sivini, Luciana Carolina Albuquerque, Patricia Michelly Santos Lima, Idalacy de Carvalho Barreto, Michelly Evangelista de Andrade, Nathalie Mendes Estima, Patrícia Ismael de Carvalho, Rayane Souza de Andrade Azevedo, Rita de Cássia de Oliveira Vasconcelos, Romildo Siqueira Assunção, Lívia Carla Vinhal Frutuoso, Greice Madeleine Ikeda do Carmo, Priscila Bochi de Souza, Marcelo Yoshito Wada, Wanderson Kleber de Oliveira, Cláudio Maierovitch Pessanha Henriques, Jadher Percio
OBJECTIVE: to describe the first cases of microcephaly possibly related to Zika virus in live born babies reported in the Metropolitan Region of Recife, Pernambuco State, Brazil. METHODS: this was a descriptive case series study (cases reported between August 1st and October 31st 2015), using medical record data and data from a questionnaire answered by the mothers of the babies. RESULTS: 40 microcephaly cases were confirmed, distributed in eight municipalities within the Metropolitan Region, with Recife itself having the highest concentration of cases (n=12); median head circumference was 29 cm, median chest girth was 31 cm and median weight was 2,628 grams; 21/25 cases had brain calcification, ventriculomegaly or lissencephaly; 27 of the 40 mothers reported rash during pregnancy, 20 in the first trimester and 7 in the second trimester, as well as itching, headache, myalgia and absence of fever...
October 2016: Epidemiologia e Servicos de Saude: Revista do Sistema Unico de Saude do Brasil
https://www.readbyqxmd.com/read/27869981/description-of-the-first-cases-of-zika-virus-fever-investigated-in-municipalities-of-the-brazilian-northeastern-region-2015
#18
Francieli Fontana Sutile Tardetti Fantinato, Emerson Luiz Lima Araújo, Igor Gonçalves Ribeiro, Marcia Regina de Andrade, Anna Livia de Medeiros Dantas, Jakeline Maria Trinta Rios, Odila Márcia Vinhas da Silva, Maria do Socorro da Silva, Renata Valeria Nóbrega, Daniel de Araújo Batista, Priscila Leal E Leite, Eduardo Saad, Jadher Percio, Elionardo Andrade Resende, Priscila Bochi de Souza, Marcelo Yoshito Wada
OBJECTIVE: to confirm Zika virus circulation and discard other etiological agents in an outbreak occurred in the states of Rio Grande do Norte, Maranhão and Paraíba, in May, 2015. METHODS: this is a case series descriptive study with residents in Natal-RN, Barra do Corda-MA, São Luis-MA and João Pessoa-PB, with 20 cases in each state, presenting rash, absent or mild fever and one of the following signs/symptoms: conjunctival hyperemia, arthralgia or limb edema; RT-PCR/isolation tests for Zika, enterovirus and respiratory viruses, and serology tests (dengue, rubella and parvovirus B19) were performed...
October 2016: Epidemiologia e Servicos de Saude: Revista do Sistema Unico de Saude do Brasil
https://www.readbyqxmd.com/read/27868060/selection-of-lipases-for-the-synthesis-of-biodiesel-from-jatropha-oil-and-the-potential-of-microwave-irradiation-to-enhance-the-reaction-rate
#19
Livia T A Souza, Adriano A Mendes, Heizir F de Castro
The present study deals with the enzymatic synthesis of biodiesel by transesterification of Jatropha oil (Jatropha curcas L.) with ethanol in a solvent-free system. Seven commercial lipase preparations immobilized by covalent attachment on epoxy-polysiloxane-polyvinyl alcohol composite (epoxy-SiO2-PVA) were tested as biocatalysts. Among them, immobilized lipases from Pseudomonas fluorescens (lipase AK) and Burkholderia cepacia (lipase PS) were the most active biocatalysts in biodiesel synthesis, reaching ethyl ester yields (FAEE) of 91...
2016: BioMed Research International
https://www.readbyqxmd.com/read/27866037/preoperative-preparation-of-a-patient-with-grade-ii-leg-lymphedema-for-his-third-hip-replacement-surgery
#20
Maria de Fátima Guerreiro Godoy, Livia Maria Pereira de Godoy, Renata Lopes Pinto, Jose Maria Pereira de Godoy
INTRODUCTION: The treatment of lymphedema remains a challenge to modern medicine, due to the characteristics of the disease. CASE PRESENTATION: Report on the case of a 75-year-old patient with lower limb lymphedema for treatment prior to surgery. At age 45, he made the first hip replacement surgery in the left leg. One year later he performed the same surgery on the right leg. At that time his legs had slight ankle edema mainly of the left leg and the entire left leg was affected by lymphedema...
September 28, 2016: International Journal of Surgery Case Reports
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