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Danielle M Pagani, Daiane Heidrich, Gustavo V B Paulino, Karine de Oliveira Alves, Paula T Dalbem, Caroline F de Oliveira, Zélia M M Andrade, Carolini Silva, Monica D Correia, Maria Lúcia Scroferneker, Patricia Valente, Melissa Fontes Landell
Candida is a common fungus with the capacity to cause infections in humans. However, most studies have concentrated on clinical isolates and little is known about the identity, ecology and drug resistance of free living species/strains. Here, we isolate eight strains of Candida haemulonii and four strains of Cutaneotrichosporon dermatis from three marine cnidarian zoanthids species (Palythoa caribaeorum, Palythoa variabilis and Zoanthus sociatus) collected from Brazilian coral reefs. Strains were identified by sequencing of the D1/D2 domain LSU rDNA and ITS region...
June 9, 2016: Archives of Microbiology
A D Ribas, E M Del Ponte, A M Dalbem, D Dalla-Lana, C Bündchen, R K Donato, H S Schrekker, A M Fuentefria
AIMS: Evaluate the in vitro effect of imidazolium salts (IMS) on the conidia germination and mycelial growth of Fusarium graminearum and their in vivo efficacy for suppressing the symptoms of the disease and infection of kernels in wheat plants. METHODS AND RESULTS: The minimum inhibitory concentrations (MIC) of three IMS (C16 MImCl, C16 MImMeS and C16 MImNTf2 ) were determined for four F. graminearum isolates using serial broth dilution method. The MICs found for all IMS were either 3·12 or 6·25 μg ml(-1) across the isolates, with the former as the most frequent...
August 2016: Journal of Applied Microbiology
Giovani José Dal Poggetto Molinari, Ana Terezinha Guillaumon, Andréia Marques de Oliveira Dalbem
INTRODUCTION: Despite the patient and medical staff exposure to radiation in endovascular aneurysm repair, the benefits of this abdominal aortic aneurysm type of surgical management are justified by minor recovery time and hospitalization, as well as an option for patients not elected to conventional open repair. In this minimally invasive surgical approach, time of procedure and radiation doses can be substantial--and the increasing frequency of these procedures and it's complexity have impelled vascular surgeons to face additional and successive risk to occupational radiation exposure...
November 2015: Braz J Cardiovasc Surg
Juliane S Dalbem, Heloise H Siqueira, Mariano M Espinosa, Regina P Alvarenga
OBJECTIVES: To determine the prevalence of benign febrile seizures of childhood and describe the clinical and epidemiological profile of this population. METHODS: This was a population-based, cross-sectional study, carried out in the city of Barra do Bugres, MT, Brazil, from August 2012 to August 2013. Data were collected in two phases. In the first phase, a questionnaire that was previously validated in another Brazilian study was used to identify suspected cases of seizures...
November 2015: Jornal de Pediatria
Luana Dalbem Murad, Nathalia da Costa Pereira Soares, Camila Brand, Mariana Costa Monteiro, Anderson Junger Teodoro
Colorectal cancer is a major cause of morbidity and mortality throughout the world. Issues related to the role of diet in cancer prevention and treatment are featured each year, and, in this context, consumption of hydroxycinanmic acids is associated with reduced risk of chronic diseases including cancer. Therefore, the aim of this study was to evaluate the cellular uptake of caffeic and 5-caffeoylquinic acids and their effects on cell viability, cell cycle, and apoptosis in human colon adenocarcinoma cells (HT-29)...
2015: Nutrition and Cancer
Caroline Sauter Dalbem, Thiago Franchi Nunes, Magali da Silva Sanches Machado, Suzan Menasce Goldman
A 22-year-old woman presented with abdominal pain for 12 days. On examination, the abdomen was slightly distended and painful to palpation in the right flank. Subsequent abdominal imaging showed inflammation in the right iliac fossa, retroperitoneal air pockets with inflammation, and signs of pneumomediastinum. Exploratory laparotomy revealed a perforated retrocaecal appendix with abscess extending to the retroperitoneum. Surgical intervention involved a right hemicolectomy followed by end-to-side anastomosis of the ileum to the transverse colon...
2015: BMJ Case Reports
Giovani José Dal Poggetto Molinari, Andréia Marques de Oliveira Dalbem, Ana Terezinha Guillaumon
We have shown how the analysis of the angiotomography reconstruction through OsiriX program has assisted in endovascular perioperative programming. We presented its application in situations when an unexpected existence of metallic overlapping artifact (orthopedic osteosynthesis) compromised the adequate visualization of the arterial lesion during the procedure. Through manipulation upon OsiriX software, with assistance of preview under virtual fluoroscopy, it was possible to obtain the angles that would avoid this juxtaposition...
July 2014: Revista Brasileira de Cirurgia Cardiovascular
Giovani Jose Dal Poggetto Molinari, Andréia Marques de Oliveira Dalbem, Ana Terezinha Guillaumon
INTRODUCTION: In the past few years, the increase of endovascular surgeons' interest on tomography image edition through softwares is marked specially when it concerns to its use on preoperatory study for endovascular aneurysm repair. It is presumed that the bigger the number of informations extracted from the tomography exam and its three-dimensional reconstruction, the smaller is the need of patient's exposure to contrast, as well as the its exposure and the surgical team to radiation...
April 2014: Revista Brasileira de Cirurgia Cardiovascular
Giovani José Dal Poggetto Molinari, Andreia Marques de Oliveira Dalbem, Fabio Hüsemann Menezes, Ana Terezinha Guillaumon
INTRODUCTION: Endovascular aneurysm repair requires the precise deployment of the graft. In order to achieve accurate positioning, the anatomical and morphological characteristics of the aorta and its branches is mandatory. Software that perform three dimensional reformatting of multislice tomographic images, allow for the study of the whole aorto-iliac axis and the perpendicular visualization of the origin of the renal arteries. The correct length of the proximal neck can be evaluated and adequate graft fixation and sealing may be foreseen...
January 2014: Revista Brasileira de Cirurgia Cardiovascular
Mateus Dalbem Ferreira, Leda Menescal-de-Oliveira
The dorsal raphe nucleus (DRN) is involved in the control of several physiological functions, including nociceptive modulation. This nucleus is one of the main sources of serotonin to the CNS and neuromodulators such as opioids and GABA may be are important for its release. This study evaluated the influence of serotonergic, GABAergic and opioidergic stimulation, as well as their interactions in the DRN, on vocalization nociceptive response during a peripheral noxious stimulus application in guinea pigs. Morphine (1...
July 2014: Brain Research Bulletin
João Zugaib, Márcio Ramos Coutinho, Mateus Dalbem Ferreira, Leda Menescal-de-Oliveira
Evidence corroborates the role of the anterior cingulate cortex (ACC) in the modulation of cognitive and emotional functions. Its involvement in the motivational-affective component of pain has been widely investigated using different methods to elucidate the specific role of different neurotransmitter systems. We used the peripheral noxious stimulus-induced vocalization algesimetric test to verify glutamatergic and GABAergic neurotransmission in the guinea pig ACC. Microinjection of homocysteic acid (DLH; 30 nmol) in the left guinea pig ACC increased the amplitude of vocalizations (pronociception) compared to controls injected with saline...
March 14, 2014: Physiology & Behavior
Mateus Dalbem Ferreira, Leda Menescal-de-Oliveira
Tonic immobility (TI) is an innate defensive behavior that can be elicited by physical restriction and postural inversion and is characterized by a profound and temporary state of akinesis. Our previous studies demonstrated that the stimulation of serotonin receptors in the dorsal raphe nucleus (DRN) appears to be biphasic during TI responses in guinea pigs (Cavia porcellus). Serotonin released by the DRN modulates behavioral responses and its release can occur through the action of different neurotransmitter systems, including the opioidergic and GABAergic systems...
May 15, 2012: Physiology & Behavior
Pablo A Dalbem Castro, Fernando José Von Zuben
In this paper, we apply an immune-inspired approach to design ensembles of heterogeneous neural networks for classification problems. Our proposal, called Bayesian artificial immune system, is an estimation of distribution algorithm that replaces the traditional mutation and cloning operators with a probabilistic model, more specifically a Bayesian network, representing the joint distribution of promising solutions. Among the additional attributes provided by the Bayesian framework inserted into an immune-inspired search algorithm are the automatic control of the population size along the search and the inherent ability to promote and preserve diversity among the candidate solutions...
February 2011: IEEE Transactions on Neural Networks
Milton De S Mendonça, Hosana M F Piccardi, Simone M Jahnke, Ricardo V Dalbem
Galling arthropods create plant structures inside which they find shelter. Factors acting on galler diversity are still being discussed, with this fauna considered more diverse in xeric than mesic environments (higrothermic stress hypothesis, HSH), and also in more plant diverse sites. Here we compare galler abundance (N), equitability (E), species richness (S) and composition between adjacent restinga (xeric) and swamp forests (mesic) in Parque Estadual de Itapeva (29°21' S, 49°45' W), Rio Grande do Sul, southern Brazil...
July 2010: Neotropical Entomology
Mateus Dalbem Ferreira, Leda Menescal-de-Oliveira
Tonic immobility (TI) is an innate defensive behavior characterized by a state of physical inactivity and diminished responsiveness to environmental stimuli. Behavioral adaptations to changes in the external and internal milieu involve complex neuronal network activity and a large number of chemical neurotransmitters. The TI response is thought to be influenced by serotonin (5-HT) activity in the central nervous system (CNS) of vertebrates, but the neuronal groups involved in the mechanisms underlying this behavior are poorly understood...
August 18, 2009: Brain Research
Eliseu Felippe dos Santos, Estela Natacha Brandt Busanello, Anelise Miglioranza, Angela Zanatta, Alethea Gatto Barchak, Carmen Regla Vargas, Jonas Saute, Charles Rosa, Maria Júlia Carrion, Daiane Camargo, André Dalbem, Jaderson Costa da Costa, Sandro René Pinto de Sousa Miguel, Carlos Roberto de Mello Rieder, Moacir Wajner
In the present work we measured blood levels of total homocysteine ((t)Hcy), vitamin B(12) and folic acid in patients with Parkinson s disease (PD) and in age-matched controls and searched for possible associations between these levels with smoking, alcohol consumption, L-DOPA treatment and disease duration in PD patients. We initially observed that plasma (t)Hcy levels were increased by around 30 % in patients affected by PD compared to controls. Linear correlation, multiple regression and comparative analyses revealed that the major determinant of the increased plasma concentrations of (t)Hcy in PD patients was folic acid deficiency, whereas in controls (t)Hcy levels were mainly determined by plasma vitamin B(12) concentrations...
June 2009: Metabolic Brain Disease
Vinícius Daudt Morais, Flávio Dalbem, Krás Borges, Vicente Restelli
Primary tumors of the heart are not common. However, metastatic neoplasms affecting the heart are more commonly found. Postmortem studies have shown that some tumors have reported secondary cardiac implants to be over 50%. Such involvement is to be taken into account for patients with a history of neoplasm and who present conduction disorders, murmur, cardiomegaly or arrhythmia. This is to report the case of a 39-year-old man who had been referred due to fatigue and dyspnea on effort. Echocardiogram evidence showed large tumoral mass in right ventricle...
September 2008: Arquivos Brasileiros de Cardiologia
Ricardo V Dalbem, Milton de S Mendonça
Many hypotheses have been proposed to explain diversity patterns of galling insects. However, there are contradictory evidences on the evolutionary and ecological factors responsible for the trends. Furthermore, questions such as arthropod seasonality, sampling sufficiency and sampling team experience have been almost ignored. This study records galling arthropod diversity while paying attention to these questions. Seasonal sampling of galling arthropods and host plants were conducted in a humid subtropical forest of southern Brazil...
September 2006: Neotropical Entomology
André Dalbem, Carine Volkweis Silveira, Michele Franzen Pedroso, Ricardo Vaz Breda, Cristiane Von Werne Baes, Ana Paula Bartmann, Jaderson Costa da Costa
Huntington's disease (HD) is a neurodegenerative disorder characterized by involuntary choreiform movements, neuropsychiatric disturbances and cognitive decline. The hyperkinetic phenomenology has commonly been attributed to a disturbance of the basal ganglia function, mainly the neostriatum, but its pathophysiology mechanisms remain unclear. Activity-dependent long-term changes in synaptic efficacy, such as long-term potentiation (LTP) and long-term depression (LTD), are widely considered to be the cellular models for acquisition and storage of information in neuronal networks...
June 21, 2005: Brain Research
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