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Ellen L Mintz, Juliana A Passipieri, Daniel Y Lovell, George J Christ
Despite the regenerative capacity of skeletal muscle, permanent functional and/or cosmetic deficits (e.g., volumetric muscle loss (VML) resulting from traumatic injury, disease and various congenital, genetic and acquired conditions are quite common. Tissue engineering and regenerative medicine technologies have enormous potential to provide a therapeutic solution. However, utilization of biologically relevant animal models in combination with longitudinal assessments of pertinent functional measures are critical to the development of improved regenerative therapeutics for treatment of VML-like injuries...
October 7, 2016: Journal of Visualized Experiments: JoVE
Antonio Augusto Moura da Silva, Jucelia Sousa Santos Ganz, Patricia da Silva Sousa, Maria Juliana Rodvalho Doriqui, Marizelia Rodrigues Costa Ribeiro, Maria Dos Remédios Freitas Carvalho Branco, Rejane Christine de Sousa Queiroz, Maria de Jesus Torres Pacheco, Flavia Regina Vieira da Costa, Francelena de Sousa Silva, Vanda Maria Ferreira Simões, Marcos Antonio Barbosa Pacheco, Fernando Lamy-Filho, Zeni Carvalho Lamy, Maria Teresa Seabra Soares de Britto E Alves
We report the early growth and neurologic findings of 48 infants in Brazil diagnosed with probable congenital Zika virus syndrome and followed to age 1-8 months. Most of these infants had microcephaly (86.7%) and craniofacial disproportion (95.8%). The clinical pattern included poor head growth with increasingly negative z-scores, pyramidal/extrapyramidal symptoms, and epilepsy.
November 2016: Emerging Infectious Diseases
Vinicius A Sortica, Juliana D Lindenau, Maristela G Cunha, Maria DO Ohnishi, Ana Maria R Ventura, Ândrea Kc Ribeiro-Dos-Santos, Sidney Eb Santos, Luciano Sp Guimarães, Mara H Hutz
BACKGROUND: Chloroquine/primaquine is the current therapy to eliminate Plasmodium vivax infection in the Amazon region. AIMS: This study investigates CYP1A2, CYP2C8, CYP2C9, CYP3A4 and CYP3A5 genetic polymorphisms influence on cloroquine/primaquine treatment. PATIENTS & METHODS: Generalized estimating equations analyses were performed to determine the genetic influence in parasitemia and/or gametocytemia clearance over treatment time in 164 patients...
October 21, 2016: Pharmacogenomics
Jillian Iafrati, Arnaud Malvache, Cecilia Gonzalez Campo, M Juliana Orejarena, Olivier Lassalle, Lamine Bouamrane, Pascale Chavis
The postnatal maturation of the prefrontal cortex (PFC) represents a period of increased vulnerability to risk factors and emergence of neuropsychiatric disorders. To disambiguate the pathophysiological mechanisms contributing to these disorders, we revisited the endophenotype approach from a developmental viewpoint. The extracellular matrix protein reelin which contributes to cellular and network plasticity, is a risk factor for several psychiatric diseases. We mapped the aggregate effect of the RELN risk allele on postnatal development of PFC functions by cross-sectional synaptic and behavioral analysis of reelin-haploinsufficient mice...
October 21, 2016: Scientific Reports
Juliana Marioni, María Angel da Silva, José Luis Cabrera, Susana C Núñez Montoya, María Gabriela Paraje
BACKGROUND: Candida tropicalis is increasingly becoming among the most commonly isolated pathogens causing fungal infections with an important biofilm-forming capacity. PURPOSE: This study addresses the antifungal effect of rubiadin (AQ1) and rubiadin 1-methyl ether (AQ2), two photosensitizing anthraquinones (AQs) isolated from Heterophyllaea pustulata, against C. tropicalis biofilms, by studying the cellular stress and antioxidant response in two experimental conditions: darkness and irradiation...
November 15, 2016: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
Juliana Jasper, Sérgio Roithmann, Renata Stifelman Camilotti, Fernanda Gonçalves Salum, Karen Cherubini, Maria Antonia Zancanaro de Figueiredo
OBJECTIVE: To investigate the effect of granulocyte colony-stimulating factor (G-CSF) on oral mucositis (OM) and on the healing of traumatic ulcers produced in the tongue of rats undergoing radiotherapy (RT). STUDY DESIGN: Twenty-seven Wistar rats were assigned to four groups: (1) RT + traumatic ulcer + filgrastim (G-CSF analog; n = 7); (2) RT + traumatic ulcer + saline (n = 7); (3) no RT + traumatic ulcer + filgrastim (n = 7); and (4) no RT + traumatic ulcer (n = 6)...
November 2016: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
Christopher Didigwu Nwani, Peace Onas Somdare, Juliana Adimonye Ukonze, Vincent Chikwendu Ejere, Alfreda O Nwadinigwe, Jacinta Chinedu Nwani, Gregory Ejike Odo, Ogechi Nnabuchi Ugbor
In this study, African Catfish (also known as Sharptooth Catfish) Clarias gariepinus were exposed to sublethal concentrations of fenthion of 2.0, 4.0, and 8.0 mg/L for 21 d and allowed to recover for 7 d to investigate the potential for hematological changes. Whole blood was sampled on days 1, 7, 14, and 21 postexposure and after a 7-d recovery period. During exposure, fenthion caused a reduction in red blood cell counts, hemoglobin concentration, and packed cell volume. There was an increase in white blood cell counts but no significant difference in mean corpuscular hemoglobin concentration, mean corpuscular volume, and mean corpuscular hemoglobin...
December 2016: Journal of Aquatic Animal Health
Hosana G Rodrigues, Marco A R Vinolo, Fabio T Sato, Juliana Magdalon, Carolina M C Kuhl, Ana S Yamagata, Ana Flávia M Pessoa, Gabriella Malheiros, Marinilce F Dos Santos, Camila Lima, Sandra H Farsky, Niels O S Camara, Maria R Williner, Claudio A Bernal, Philip C Calder, Rui Curi
INTRODUCTION: Impaired wound healing has been widely reported in diabetes. Linoleic acid (LA) accelerates the skin wound healing process in non-diabetic rats. However, LA has not been tested in diabetic animals. OBJECTIVES: We investigated whether oral administration of pure LA improves wound healing in streptozotocin-induced diabetic rats. METHODS: Dorsal wounds were induced in streptozotocin-induced type-1 diabetic rats treated or not with LA (0...
2016: PloS One
Viviane B L Torres, Juliana Vassalo, Ulysses V A Silva, Pedro Caruso, André P Torelly, Eliezer Silva, José M M Teles, Marcos Knibel, Ederlon Rezende, José J S Netto, Claudio Piras, Luciano C P Azevedo, Fernando A Bozza, Nelson Spector, Jorge I F Salluh, Marcio Soares
INTRODUCTION: Cancer patients are at risk for severe complications related to the underlying malignancy or its treatment and, therefore, usually require admission to intensive care units (ICU). Here, we evaluated the clinical characteristics and outcomes in this subgroup of patients. MATERIALS AND METHODS: Secondary analysis of two prospective cohorts of cancer patients admitted to ICUs. We used multivariable logistic regression to identify variables associated with hospital mortality...
2016: PloS One
Amanda Faria Assoni, Giuliana Castello, Marcos Valadares, Melinda Beccari, Juliana Gomes, Mayra Pelatti, Miguel Mitne-Neto, Valdemir Melechco Carvalho, Mayana Zatz
Duchenne muscular dystrophy (DMD) is a lethal X-linked disorder caused by null mutations in the dystrophin gene. Although the primary defect is the deficiency of muscle dystrophin, secondary events, including chronic inflammation, fibrosis and muscle regeneration failure are thought to actively contribute to disease progression. Despite several advances, there is still no effective therapy for DMD. Therefore, the potential regenerative capacities, as well as immune-privileged properties of Mesenchymal Stromal Cells (MSCs), have been the focus of intense investigation in different animal models aiming the treatment of these disorders...
October 20, 2016: Stem Cells and Development
Alice P S Kong, Kai Chow Choi, Jihui Zhang, Andrea Luk, Siu Ping Lam, Michael H M Chan, Ronald C W Ma, Juliana C N Chan, Yun Kwok Wing
AIMS: We aimed to explore the associations of sleep patterns during weekdays and weekends with glycemic control in patients with type 2 diabetes. METHODS: We examined the association between indices of glycemic control [glycated hemoglobin (HbA1c) and fasting plasma glucose (FPG)] and sleep parameters (sleep duration, bedtime, and differences of sleep duration during weekdays and weekends) from adults with type 2 diabetes recruited in a prospective cohort enrolling from hospital medical clinics...
October 19, 2016: Acta Diabetologica
Luciana F Costa, Juliana P S Mol, Ana Patricia C Silva, Auricélio A Macêdo, Teane M A Silva, Geraldo E S Alves, Sebastian Winter, Maria G Winter, Eric M Velazquez, Mariana X Byndloss, Andreas J Bäumler, Renée M Tsolis, Tatiane A Paixão, Renato L Santos
Salmonella enterica serotype Typhimurium is able to expand in the lumen of the inflamed intestine through mechanisms that have not been fully resolved. Here we utilized streptomycin-pretreated mice and dextran sodium sulfate (DSS)-treated mice to investigate how pathways for S. Typhimurium iron acquisition contribute to pathogen expansion in the inflamed intestine. Competitive infection with an iron uptake-proficient S. Typhimurium strain and mutant strains lacking tonB feoB, feoB, tonB or iroN in streptomycin pretreated mice demonstrated that ferric iron uptake requiring IroN and TonB conferred a fitness advantage during growth in the inflamed intestine...
October 13, 2016: International Journal of Medical Microbiology: IJMM
Flávia Cristina Zanchetta, Danilo Donizetti Trevisan, Priscila Peruzzo Apolinario, Juliana Bastoni da Silva, Maria Helena de Melo Lima
Objective: To evaluate the relation between diabetes-related distress and the clinical and sociodemographic characteristics of type 2 diabetes mellitus patients. Methods: A cross-sectional study based on a secondary analysis of data collected at a specialized care outpatient center in Brazil. Participants completed a questionnaire on sociodemographic and clinical characteristics and the Brazilian version of the Diabetes Distress Scale (B-DDS). Results: About 31% of the 130 eligible patients reported diabetes distress, and the mean B-DDS score was 2...
July 2016: Einstein
Juliana Calvet Kallenbach Aurenção, Claudia Cristina Ferreira Vasconcelos, Luiz Claudio Santos Thuler, Regina Maria Papais Alvarenga
Multiple sclerosis (MS) prevalence is higher in Caucasian (CA) populations, narrowing the analysis of the impact of Afro-descendant (AD) populations in disease outcomes. Even so, recent studies observed that AD patients have a more severe course. The main objective of this study is to confirm and discuss, through a systematic review, that being AD is a risk factor for disability accumulation and/or severe progression in patients with MS. A systematic review of published data in the last eleven years was performed, which evaluated clinical aspects and long term disability in patients with MS...
October 2016: Arquivos de Neuro-psiquiatria
Luciana G Madeira, Renata Lf Passos, Juliana F de Souza, Nilton A Rezende, Luiz O C Rodrigues
Objective: Neurofibromatosis type 1 (NF1) causes neural and cutaneous disorders and reduced exercise capacity. Exercise/heat exposure increasing internal temperature must be compensated by eccrine sweat function and warmed skin vasodilation. We suspected NF1 could adversely affect eccrine sweat function and/or vascular thermoregulatory responses (VTR). Methods: The eccrine sweat function and VTR of 25 NF1 volunteers (14 males, 11 females; 16-57 years old) were compared with 23 non-NF1 controls matched by sex, age, height and weight (CG)...
October 2016: Arquivos de Neuro-psiquiatria
Juliana Blin, Emiliano P Ricci
Next Generation Sequencing (NGS) techniques have revolutionized most biomedical research fields over the past decade by allowing a broader vision on biological processes that occur at the molecular level. Among these, ribosome profiling or footprinting is a powerful tool to study mRNA translation in a transcriptome-wide manner. Ribosome profiling has been used to study the impact of translational control of gene expression under many different cellular conditions including viral infections. Indeed, translation is a critical step during the viral replication cycle in which the infected cell is embezzled to produce viral proteins...
October 2016: Médecine Sciences: M/S
Rodrigo Dreher, Carolina Blaya, Juliana L C Tenório, Renato Saltz, Pedro B Ely, Ygor A Ferrão
: Quality of life (QoL) is an important outcome in plastic surgery. However, authors use different scales to address this subject, making it difficult to compare the outcomes. To address this discrepancy, the aim of this study was to perform a systematic review and a random effect meta-analysis. METHODS: The search was made in two electronic databases (LILACS and PUBMED) using Mesh and non-Mesh terms related to aesthetic plastic surgery and QoL. We performed qualitative and quantitative analyses of the gathered data...
September 2016: Plastic and Reconstructive Surgery. Global Open
Juliana Dreyer da Silva de Menezes, Lucas Borin Moura, Renato Parsekian Martins, Eduardo Hochuli-Vieira
Porous polyethylene implants have been used as an alternative in the treatment of patients with zygomatic and paranasal projections deficiency. These implants promote a facial rejuvenating effect due to the attenuation of the nasal and chin prominences. The advantages of porous polyethylene include biocompatibility, dimensional stability, easy adaptation and fixation, low complication rate, and its availability in different sizes and shapes. A 27-year-old woman presenting vertical deficiency associated with midface hypoplasia was treated with orthognathic surgery...
October 14, 2016: Journal of Craniofacial Surgery
Christopher Didigwu Nwani, Gregory Ejike Odo, Alfreda O Nwadinigwe, Christopher C Onyeke, Chinedu Ifeanyi Atama, Godwin Ngwu, Stanley N Oluah, Juliana Adimonye Ukonze, Bridget Chidi A Ezeibe
Albendazole (ABZ) is a typical broad-spectrum benzimidazole drug used for the treatment of parasitic worm infestations in humans and animals. The present study investigated the oxidative stress biomarkers and hematological parameters in juvenile African Catfish (also known as Sharptooth Catfish) Clarias gariepinus exposed to ABZ for 96 h. Fish were exposed to 0 (control) 20, 40, and 60 mg/L ABZ. The liver and gill tissues were sampled at regular intervals of 24 h, and the results showed significant concentration- and time-dependent increases in the values of lipid peroxidation but reductions in glutathione peroxidase, catalase, superoxide dismutase, and glutathione reductase in both tissues...
December 2016: Journal of Aquatic Animal Health
Lien M Dos Santos, Tatiane M da Silva, Juliana H Azambuja, Priscila T Ramos, Pathise S Oliveira, Elita F da Silveira, Nathalia S Pedra, Kennia Galdino, Carlus A T do Couto, Mayara S P Soares, Rejane G Tavares, Roselia M Spanevello, Francieli M Stefanello, Elizandra Braganhol
Methionine is an essential amino acid involved in critical metabolic process, and regulation of methionine flux through metabolism is important to supply this amino acid for cell needs. Elevation in plasma methionine commonly occurs due to mutations in methionine-metabolizing enzymes, such as methionine adenosyltransferase. Hypermethioninemic patients exhibit clinical manifestations, including neuronal and liver disorders involving inflammation and tissue injury, which pathophysiology is not completely established...
October 17, 2016: Molecular and Cellular Biochemistry
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