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Carolina S Bortolot, Luana da S M Forezi, Roberta K F Marra, Marcelo I P Reis, Barbara V F E Sa, Ricardo Imbroisi Filho, Zeinab Ghasemishahrestani, Mauro Sola-Penna, Patricia Zancan, Vitor F Ferreira, Fernando de C da Silva
BACKGROUND: Low molecular weight 1,2,3-triazoles and naphthoquinones are endowed with various types of biological activity, such as against cancer, HIV and bacteria. However, in some cases, the conjugation of these two nuclei considerably increases their biological activities Objective: In this work, we decided to study the synthesis and screening of bis-naphthoquinones and xanthenes tethered to 1,2,3-triazoles against cancer cell lines, specifically the human breast cancer cell line MCF-7...
May 23, 2018: Medicinal Chemistry
Ezekiel Maloney, A Luana Stanescu, Francisco A Perez, Ramesh S Iyer, Randolph K Otto, Sarah Leary, Lotte Steuten, Amanda I Phipps, Dennis W W Shaw
BACKGROUND: Pediatric optic pathway gliomas are typically indolent but have a variable clinical course. Treatment is dictated by symptoms and changes on contrast-enhanced MRI examinations. Gadolinium retention in children has motivated parsimonious use of gadolinium-based contrast agents. OBJECTIVES: To determine surveillance MR factors that motivate changes in tumor-directed therapies and extrapolate cost-efficacy of a non-contrast follow-up protocol. MATERIALS AND METHODS: Using an imaging database search we identified children with isolated optic pathway gliomas and ≥3 follow-up contrast-enhanced MRIs...
May 22, 2018: Pediatric Radiology
Shannon Wiltsey Stirman, Luana Marques, Torrey A Creed, Cassidy A Gutner, Robert DeRubeis, Paul G Barnett, Eric Kuhn, Michael Suvak, Jason Owen, Dawne Vogt, Booil Jo, Sonja Schoenwald, Clara Johnson, Kera Mallard, Matthew Beristianos, Heidi La Bash
BACKGROUND: Identifying scalable strategies for assessing fidelity is a key challenge in implementation science. However, for psychosocial interventions, the existing, reliable ways to test treatment fidelity quality are often labor intensive, and less burdensome strategies may not reflect actual clinical practice. Cognitive behavioral therapies (CBTs) provide clinicians with a set of effective core elements to help treat a multitude of disorders, which, evidence suggests, need to be delivered with fidelity to maximize potential client impact...
May 22, 2018: Implementation Science: IS
Luana Rodrigues Sarmento, Paula Frassinetti Castelo Branco Camurça Fernandes, Marcelo Ximenes Pontes, Daniel Barros Santos Correia, Victhor Castelo Branco Chaves, Cecília Ferreira de Araújo Carvalho, Tiago Lima Arnaud, Matheus Henrique Seixas Dos Santos, Livia Cristina Barros Barreto, Larissa Alves Alexandre Moliterno
INTRODUCTION: Knowledge of validated primary causes of end-stage renal disease (ESRD) is extremely relevant in the realm of public health. The literature lacks validated studies on the primary causes of ESRD. OBJECTIVE: The aim of this study was to estimate the prevalence of the causes of ESRD in a State Capital in Northeastern Brazil. METHODS: This cross-sectional study was based on the analysis of medical records of patients on hemodialysis at five specialized centers in Fortaleza, CE, Brazil...
May 17, 2018: Jornal Brasileiro de Nefrologia: ʹorgão Oficial de Sociedades Brasileira e Latino-Americana de Nefrologia
Luana Colloca
No abstract text is available yet for this article.
April 27, 2018: Pain
João D A Losano, Daniel S R Angrimani, Bruno R Rui, Luana C Bicudo, Andressa Dalmazzo, Bárbara C S Silva, Carlos H C Viana, Camilla M Mendes, Mayra E O A Assumpção, Valquiria H Barnabe, Marcilio Nichi
SummaryThe cryopreservation of epididymal sperm is an important technique that allows genetic material to be preserved, even post mortem. However, cryopreservation leads to increased oxidative stress and impaired sperm viability. Polyunsaturated fatty acid (PUFA) supplementation may improve certain sperm characteristics, but it also makes sperm more susceptible to oxidative stress, therefore adding antioxidants that counteract oxidative stress has become an option. In this context, this study aimed to evaluate the effect of the interaction between docosahexaenoic acid (DHA) and antioxidants on the quality after the cryopreservation of epididymal bull sperm...
May 21, 2018: Zygote: the Biology of Gametes and Early Embryos
Luana Calabrò, Aldo Morra, Diana Giannarelli, Giovanni Amato, Armida D'Incecco, Alessia Covre, Arthur Lewis, Marlon C Rebelatto, Riccardo Danielli, Maresa Altomonte, Anna Maria Di Giacomo, Michele Maio
BACKGROUND: Tremelimumab, an anti-CTLA4 monoclonal antibody, initially showed good activity when used alone in patients with mesothelioma, but did not improve the overall survival of patients who failed on first-line or second-line chemotherapy compared with placebo in the DETERMINE study. We aimed to investigate the efficacy and safety of first-line or second-line tremelimumab combined with durvalumab, an anti-PD-L1 monoclonal antibody, in patients with malignant mesothelioma. METHODS: In this open-label, non-randomised, phase 2 trial, patients with unresectable pleural or peritoneal mesothelioma received intravenous tremelimumab (1 mg/kg bodyweight) and durvalumab (20 mg/kg bodyweight) every 4 weeks for four doses, followed by maintenance intravenous durvalumab at the same dose and schedule for nine doses...
May 14, 2018: Lancet Respiratory Medicine
Renata Falchete do Prado, Gabriela Campos Esteves, Evelyn Luzia De Souza Santos, Daiane Acácia Griti Bueno, Carlos Alberto Alves Cairo, Luis Gustavo Oliveira De Vasconcellos, Renata Silveira Sagnori, Fernanda Bastos Pereira Tessarin, Felipe Eduardo Oliveira, Luciane Dias De Oliveira, Maria Fernanda Lima Villaça-Carvalho, Vinicius André Rodrigues Henriques, Yasmin Rodarte Carvalho, Luana Marotta Reis De Vasconcellos
Titanium (Ti) and Ti-6 Aluminium-4 Vanadium alloys are the most common materials in implants composition but β type alloys are promising biomaterials because they present better mechanical properties. Besides the composition of biomaterial, many factors influence the performance of the biomaterial. For example, porous surface may modify the functional cellular response and accelerate osseointegration. This paper presents in vitro and in vivo evaluations of powder metallurgy-processed porous samples composed by different titanium alloys and pure Ti, aiming to show their potential for biomedical applications...
2018: PloS One
Laís Bhering Martins, Ana Maria Dos Santos Rodrigues, Débora Fernandes Rodrigues, Luana Caroline Dos Santos, Antônio Lúcio Teixeira, Adaliene Versiani Matos Ferreira
Background Previous studies have demonstrated the analgesic effects of ginger in different conditions, but evidence about its efficacy in migraine treatment is scarce. Objective This study aimed to evaluate the potential of ginger to improve acute migraine as an add-on strategy to standard treatment. Methods A double-blind placebo-controlled randomized clinical trial in the emergency room of a general hospital was conducted. Patients who sought medical care at the time of migraine attack were enrolled in this study...
January 1, 2018: Cephalalgia: An International Journal of Headache
Efisio Solazzo, Angelo Riccio, Rita Van Dingenen, Luana Valentini, Stefano Galmarini
This study promotes the critical use of air pollution modelling results for health and agriculture impacts, with the primary goal of providing more reliable estimates to decision makers. To date, the accuracy of air quality (AQ) models and the effects of model-to-model result variability (which we will refer to as model uncertainty) on impact assessment studies have been often ignored, thus undermining the robustness of the information used in the decision making process and the confidence in the results obtained...
August 15, 2018: Science of the Total Environment
Chiara Lupi, Luana Evangelista, Valentina Favoni, Antonio Granato, Andrea Negro, Lanfranco Pellesi, Raffaele Ornello, Antonio Russo, Sabina Cevoli, Simona Guerzoni, Silvia Benemei
Background Rare primary headaches are mainly included in Chapters 3, Trigeminal autonomic cephalalgias, and 4, Other primary headache disorders, Part One of the International Classification of Headache Disorders 3rd edition. Epidemiological data are scarce, mostly emerging from case series or small studies, with the exception of cluster headache. In order to overcome the knowledge gap about rare primary headaches, the RegistRare Network was launched in 2017 to promote research in the field. Methods A retrospective cohort study including patients who, from April 30, 2014 to May 1, 2017, visited seven Italian tertiary Headache Centres, was undertaken to estimate in that clinical setting prevalence and incidence of headaches included in Chapters 3 and 4, Part One of the International Classification of Headache Disorders 3rd edition...
January 1, 2018: Cephalalgia: An International Journal of Headache
Francielle Novaes Souza, Edenilce de Fatima Ferreira Martins, Ruy Alberto Caetano Corrêa Filho, Janessa Sampaio de Abreu, Luana Barbosa Pires, Danilo Pedro Streit, Nelson Mauricio Lopera-Barrero, Jayme Aparecido Povh
The aim of this study was to evaluate the efficiency of the hormonal inducers Ovopel® and carp pituitary extract (CPE) for induction of reproduction in Colossoma macropomum females. The treatments were CPE at the dose of 5.5 mg/kg divided into two applications (10%; and 90% after 12 h) and Ovopel® at doses of 0.2 and 0.4 pellet/kg body weight in a single application. Eight replicates were used in each of the three treatments, totaling 24 experimental units. The females spawned when treated with the 0...
May 4, 2018: Animal Reproduction Science
Julia M Rosa, Francis L Pazini, Mauricio P Cunha, André R S Colla, Luana M Manosso, Gianni Mancini, Ana Cristina G Souza, Andreza F de Bem, Rui Daniel Prediger, Ana Lúcia S Rodrigues
Alzheimer's disease (AD) is characterized by progressive synaptic dysfunction and neuronal lost in specific brain areas including hippocampus, resulting in memory/learning deficits and cognitive impairments. In addition, non-cognitive symptoms are reported in AD patients, such as anxiety, apathy and depressed mood. The current antidepressant drugs present reduced efficacy to improve depressive symptoms in AD patients. Here, we investigated the ability of creatine, a compound with neuroprotective and antidepressant properties, to counteract amyloid β1-40 peptide-induced depressive-like behavior in mice...
May 9, 2018: Progress in Neuro-psychopharmacology & Biological Psychiatry
Jessica Luana Dos Santos, Rander Moreira Macedo, Luciana Yamamoto Almeida, Rodrigo Neves Silva, Alfredo Ribeiro-Silva, Jorge Esquiche León
Pigmented lesions are commonly found in the oral cavity. These lesions comprise a range of clinicopathological presentations since exogenous substances, physiologic conditions, reactive lesions, manifestations of systemic diseases and benign or malignant neoplasia. Its correct diagnosis requires detailed investigations of the clinical features, as well as careful analysis of the microscopical findings. This article is protected by copyright. All rights reserved.
May 12, 2018: Journal of Cutaneous Pathology
Sybele Saska, Luana Carla Pires, Mariana Aline Cominotte, Larissa Souza Mendes, Marcelo Fernandes de Oliveira, Izaque Alves Maia, Jorge Vicente Lopes da Silva, Sidney José Lima Ribeiro, Joni Augusto Cirelli
Poly(3-hydroxybutyrate) (PHB) is a biodegradable and thermoprocessable biopolymer, making it a promising candidate for applications in tissue engineering. In the present study a structural characterization and in vitro evaluation were performed on PHB scaffolds produced by additive manufacturing via selective laser sintering (SLS), followed by post-printing functionalization with osteogenic growth peptide (OGP) and its C-terminal sequence OGP(10-14). The PHB scaffolds were characterized, including their morphology, porosity, thermal and mechanical properties, moreover OGP release...
August 1, 2018: Materials Science & Engineering. C, Materials for Biological Applications
Gabriel A Cipolla, Jaqueline C de Oliveira, Amanda Salviano-Silva, Sara C Lobo-Alves, Debora S Lemos, Luana C Oliveira, Tayana S Jucoski, Carolina Mathias, Gabrielle A Pedroso, Erika P Zambalde, Daniela F Gradia
Multifactorial diseases such as cancer, cardiovascular conditions and neurological, immunological and metabolic disorders are a group of diseases caused by the combination of genetic and environmental factors. High-throughput RNA sequencing (RNA-seq) technologies have revealed that less than 2% of the genome corresponds to protein-coding genes, although most of the human genome is transcribed. The other transcripts include a large variety of non-coding RNAs (ncRNAs), and the continuous generation of RNA-seq data shows that ncRNAs are strongly deregulated and may be important players in pathological processes...
May 11, 2018: Non-Coding RNA
Cassia Mônica Sakuragui, Luana Silva Braucks Calazans, Leticia Loss de Oliveira, Érica Barroso de Morais, Ana Maria Benko-Iseppon, Santelmo Vasconcelos, Carlos Eduardo Guerra Schrago, Simon Joseph Mayo
Philodendron subgenus Meconostigma has been a well-circumscribed group since 1829. Members of this group are easily distinguished by diagnostic morphological characters as well as by a distinct ecology and geographical distribution. Based on molecular, morphological and cytological evidence, we propose the recognition of P. subg. Meconostigma as a distinct genus, Thaumatophyllum Schott. We also present the necessary new combinations, an emended key and some nomenclatural and taxonomic corrections regarding 21 names of Thaumatophyllum ...
2018: PhytoKeys
Naiara Abrantes Cândido, Taciana Maia de Sousa, Luana Caroline Dos Santos
OBJECTIVE: Food practices in the early years of life are important to form healthy eating habits; therefore, it is essential for the caregivers of infants to receive appropriate guidance. The present study aimed to investigate the effectiveness of different nutritional interventions on complementary feeding practices in municipal nurseries. DESIGN: Non-randomized controlled intervention study with education professionals and parents of infants (<2 years). Participants were divided into: control group (CG), standard food and nutrition education in writing; and intervention group (IG), the same information as the CG and face-to-face meetings (professionals, 8 h; parents, 5 h)...
May 10, 2018: Public Health Nutrition
Maria Luiza França Silva, Gleidson Giordano Pinto de Carvalho, Robério Rodrigues Silva, Tamires da Silva Magalhães, Pablo Teixeira Viana, Luana Marta de Almeida Rufino, Aracele Vieira Santos, José Augusto Gomes Azevedo, José Esler Freitas Júnior, Camila de Oliveira Nascimento, Carlos Emanuel Eiras
This study aimed to evaluate the effect of calcium lignosulfonate associated with whole cottonseed in high-concentrate diets for sheep. Eight Dorper crossbred sheep with an average live weight of 42.5 ± 1.70 kg were assigned to two 4 × 4 Latin squares. The following experimental diets were evaluated: control diet (without calcium lignosulfonate) and diets with inclusion of 50, 100, and 150 g of calcium lignosulfonate/kg fresh matter. Diets were composed of soybean meal, ground corn, and whole cottonseed...
May 9, 2018: Environmental Science and Pollution Research International
Luana Carneiro Diniz Souza, Fernanda Ferreira Lopes, Eider Guimarães Bastos, Cláudia Maria Coelho Alves
Chronic renal patients are more susceptible to hospital complications and infections such as urinary tract infections, peritonitis, surgery infections, and bacteremia, which are often caused by Pseudomonas aeruginosa. A case of a HIV-positive girl with chronic kidney disease and with serious oral lesions due to P. aeruginosa septic shock is presented. The patient showed necrotic lesions in the oral mucosa, pathological tooth mobility, bone loss, and hematogenous osteomyelitis in the maxilla. The patient was submitted to systemic antibiotic therapy based on screening culture and treatment of bone lesions by eliminating the causal agent and restoring health conditions...
April 19, 2018: Jornal Brasileiro de Nefrologia: ʹorgão Oficial de Sociedades Brasileira e Latino-Americana de Nefrologia
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