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Allison Gates, Ben Vandermeer, Lisa Hartling
No abstract text is available yet for this article.
March 12, 2018: Journal of Clinical Epidemiology
Lívia H Morais, Daniela B Hara, Maíra A Bicca, Anicleto Poli, Reinaldo N Takahashi
The factors that trigger the pathophysiology of Parkinson's disease (PD) are unknown. However, it is suggested that environmental factors, such as exposure to pesticides, play an important role, in addition to genetic predisposition and aging. Early signs of PD can appear in the gastrointestinal (GI) tract and in the olfactory system, preceding the onset of motor impairments by many years. The present study assessed the effects of oral rotenone administration (30 mg/kg) in inducing GI and olfactory dysfunctions associated with PD in mice...
April 2018: Behavioural Pharmacology
Alessandro Antônio Costa Pereira, Christian Barros Ferreira, João Adolfo Costa Hanemann, Livia Maris Ribeiro Paranaiba, Patricia Peres Iucif Pereira, Carla Isabelly Rodrigues-Fernandes, Celeste Sánchez-Romero, Oslei Paes de Almeida, Felipe Paiva Fonseca
Lymphomatoid granulomatosis (LYG) is a rare B-cell lymphoproliferative disorder driven by Esptein-Barr virus (EBV) that most commonly affects the lungs, although extra pulmonary sites like the central nervous system, skin, liver and kidney can also be involved. It is microscopically characterized by an angiocentric and angiodestructive growth pattern, predominantly composed by small T-cells, although a smaller population of atypical large B-cells is considered the true neoplastic component. Oral cavity involvement of LYG has rarely been described and the diagnosis of this neoplasm is very difficult...
March 14, 2018: Head and Neck Pathology
Juline M Walter, Fabyano A C Lopes, Mônica Lopes-Ferreira, Lívia M Vidal, Luciana Leomil, Fabiana Melo, Girlene S de Azevedo, Rossandra M S Oliveira, Alba J Medeiros, Adriana S O Melo, Carlos E De Rezende, Amilcar Tanuri, Fabiano L Thompson
Harmful cyanobacterial blooms have become increasingly common in freshwater ecosystems in recent decades, mainly due to eutrophication and climate change. Water becomes unreliable for human consumption. Here, we report a comprehensive study carried out to investigate the water quality of several Campina Grande reservoirs. Our approach included metagenomics, microbial abundance quantification, ELISA test for three cyanotoxins (microcystin, nodularins, and cylindrospermopsin), and in vivo ecotoxicological tests with zebrafish embryos...
2018: Frontiers in Microbiology
Líliam Barbosa Silva, Sônia Maria Soares, Patrícia Aparecida Barbosa Silva, Joseph Fabiano Guimarães Santos, Lívia Carvalho Viana Miranda, Raquel Melgaço Santos
OBJECTIVE: to evaluate the quality of care provided to older people with diabetes mellitus and/or hypertension in the Primary Health Care (PHC) according to the Chronic Care Model (CCM) and identify associations with care outcomes. METHOD: cross-sectional study involving 105 older people with diabetes mellitus and/or hypertension. The Patient Assessment of Chronic Illness Care (PACIC) questionnaire was used to evaluate the quality of care. The total score was compared with care outcomes that included biochemical parameters, body mass index, pressure levels and quality of life...
March 8, 2018: Revista Latino-americana de Enfermagem
Hellen Lívia Oliveira Catunda Ferreira, Mirna Fontenele de Oliveira, Elizian Braga Rodrigues Bernardo, Paulo César de Almeida, Priscila de Souza Aquino, Ana Karina Bezerra Pinheiro
This correlational study aimed to verify the association between maternal variables and exclusive breastfeeding in a specialized outpatient clinic in the state of Ceará, Brazil. The practice of exclusive breastfeeding was observed, showing a decrease during the first six months of a child's life. Most women were young, with partners, with a good level of schooling, multigravidas and had six or fewer antenatal consultations in health centers. There was a significant association between multiparity and exclusive breastfeeding variables, showing up as a protective variable for this practice...
March 2018: Ciência & Saúde Coletiva
Lívia Jacovassi Tavares, Marlise Inêz Klein, Beatriz Helena Dias Panariello, Erica Dorigatti de Avila, Ana Cláudia Pavarina
Purpose: The goal of this study was to develop and validate a standardized in vitro pathogenic biofilm attached onto saliva-coated surfaces. Methods: Fusobacterium nucleatum (F. nucleatum) and Porphyromonas gingivalis (P. gingivalis) strains were grown under anaerobic conditions as single species and in dual-species cultures. Initially, the bacterial biomass was evaluated at 24 and 48 hours to determine the optimal timing for the adhesion phase onto saliva-coated polystyrene surfaces...
February 2018: Journal of Periodontal & Implant Science
Livia Puljak
No abstract text is available yet for this article.
March 10, 2018: Journal of Clinical Epidemiology
Jan Moritz Seliger, Livia Misuri, Edmund Maser, Jan Hintzpeter
Xanthohumol (XN), a prenylated chalcone unique to hops (Humulus lupulus) and two derived prenylflavanones, isoxanthohumol (IX) and 8-prenylnaringenin (8-PN) gained increasing attention as potential anti-diabetic and cancer preventive compounds. Two enzymes of the aldo-keto reductase (AKR) superfamily are notable pharmacological targets in cancer therapy (AKR1B10) and in the treatment of diabetic complications (AKR1B1). Our results show that XN, IX and 8-PN are potent uncompetitive, tight-binding inhibitors of human aldose reductase AKR1B1 (Ki  = 15...
December 2018: Journal of Enzyme Inhibition and Medicinal Chemistry
Antonello Storniolo, Vincenzo Alfano, Sabino Carbotta, Elisabetta Ferretti, Livia Di Renzo
Sensors of endoplasmic reticulum (ER) stress function in a co-ordinated manner. In the present study we investigated the relationship between IRE1α and PERK pathways and survival of ER stressed U937 cells and BC3 cells. To this end, we investigated the effects of a subcytotoxic concentration of Tunicamycin in IRE1α-proficient and in IRE1α-deficient cells, by pharmacological inhibition with 4μ8 C or down-regulation by specific siRNA. We show that either type of IRE1α deficiency affects eIF2α expression and causes cell death increase...
December 2018: Cell Death Discovery
Carolina Agop-Nersesian, Livia Niklaus, Rahel Wacker, Volker Heussler
Recent years have witnessed a great gain in knowledge regarding parasite-host cell interactions during Plasmodium liver stage development. It is now an accepted fact that a large percentage of sporozoite invading a hepatocyte fail to form infectious merozoites. There appears to be a delicate balance between parasite survival and elimination and we now start to understand why this is so. Plasmodium liver stages replicate within the parasitophorous vacuole (PV), formed during invasion by invagination of the host cell plasma membrane...
February 26, 2018: FEMS Microbiology Reviews
Barbara Piccini, Caterina Coviello, Livia Drovandi, Artuso Rosangela, Francesca Monzali, Emilio Casalini, Sabrina Giglio, Sonia Toni, Carlo Dani
Neonatal diabetes mellitus (NDM) is a monogenic form of diabetes occurring within 6 months from birth. NDM can be permanent or transient (TNDM). We report the case of a preterm infant with TNDM due to an ABCC8 mutation identified by next-generation sequencing. The pancreatic adenosine triphosphate (ATP)-sensitive K+ (K-ATP) channel is a key regulator of insulin secretion. Gain-of-function mutations in the genes encoding the Kir6.2 (KCNJ11) and SUR1 (ABCC8) subunits of the channel cause neonatal diabetes. The patient was successfully managed with insulin lispro at a 1:100 dilution, drawn up in an insulin pen injector with a 4-mm needle...
January 2018: American Journal of Perinatology Reports
Lívia Maria Pereira de Godoy, Paula Pereira de Godoy Capeletto, Maria de Fátima Guerreiro Godoy, Jose Maria Pereira de Godoy
Objective: The aim of the present study is to report on the reduction of edema of lymphedematous arms just by treating the lower limbs. Methods: A 16-year-old girl reported that she has started having right lower limb edema at the age of three. At age 13, she performed a lymphoscintigraphy that confirmed the diagnosis of primary lymphedema of the four limbs. Recently she sought treatment at the Clínica Godoy in São Jose do Rio Preto where she was submitted to intensive treatment for eight hours per day for five days using manual (Godoy & Godoy technique) and mechanical lymphatic therapy (RA Godoy® ) of the lower limbs, cervical lymphatic therapy (cervical stimulation), and the continuous use of a grosgrain stocking...
2018: Case Reports in Pediatrics
Juliana Harumi Arita, Mário H Barros, Felipe Gustavo Ravagnani, Marcello Ziosi, Lívia Rentas Sanches, Fabíola Rosa Picosse, Tania Oliveira Lopes, Patrícia de Carvalho Aguiar, Carolina Habermann Macabelli, Marcos Chiaratti, José Luiz Pedroso, Catarina M Quinzi, Orlando Graziani Póvoas Barsottini, Claudia Cristina Ferreiro-Barros
AMP-activated protein kinase (AMPK) regulates many different metabolic pathways in eukaryote cells including mitochondria biogenesis and energy homeostasis. Here we identify a patient with hypotonia, weakness, delayed milestones and neurological impairment since birth harbouring a novel homozygous mutation in the AMPK catalytic α-subunit 1, encoded by the PRKAA1 gene. The homozygous mutation p.S487 L in isoform 1 present in the patient is in a cryptic residue for AMPK activity. In the present study, we performed the characterization of mitochondrial respiratory properties of the patient, in comparison to healthy controls, through the culture of skin fibroblasts in order to understand some of the cellular consequences of the PRKAA1 mutation...
March 8, 2018: Biochimica et Biophysica Acta
Silvia Migliari, Antonino Sammartano, Maura Scarlattei, Giulio Serreli, Caterina Ghetti, Carla Cidda, Giorgio Baldari, Ornella Ortenzia, Livia Ruffini
Background : Prostate-specific membrane antigen (PSMA) has gained high attention as a useful biomarker in the imaging evaluation of prostate cancer with positron emission tomography (PET) during recent years. [68 Ga]-labeled Glu-urea-Lys(Ahx)-HBED-CC ([68 Ga]-PSMA-HBED-CC) is a novel PSMA inhibitor radiotracer which has demonstrated its suitability in detecting prostate cancer. Preparation conditions may influence the quality and in vivo behavior of this tracer, and no standard procedure for the quality control (QC) is available...
October 31, 2017: ACS Omega
Carson Holt, Michael Campbell, David A Keays, Nathaniel Edelman, Aurélie Kapusta, Emily Maclary, Eric Domyan, Alexander Suh, Wesley C Warren, Mark Yandell, M Thomas P Gilbert, Michael D Shapiro
The domestic rock pigeon ( Columba livia ) is among the most widely distributed and phenotypically diverse avian species. C. livia is broadly studied in ecology, genetics, physiology, behavior, and evolutionary biology, and has recently emerged as a model for understanding the molecular basis of anatomical diversity, the magnetic sense, and other key aspects of avian biology. Here we report an update to the C. livia genome reference assembly and gene annotation dataset. Greatly increased scaffold lengths in the updated reference assembly, along with an updated annotation set, provide improved tools for evolutionary and functional genetic studies of the pigeon, and for comparative avian genomics in general...
March 8, 2018: G3: Genes—Genomes—Genetics
Ivan Buljan, Mario Malički, Elizabeth Wager, Livia Puljak, Darko Hren, Frances Kellie, Helen West, Žarko Alfirević, Ana Marušić
No abstract text is available yet for this article.
March 5, 2018: Journal of Clinical Epidemiology
Livia Ottisova, Patrick Smith, Hitesh Shetty, Daniel Stahl, Johnny Downs, Sian Oram
BACKGROUND: Child trafficking is the recruitment and movement of people aged younger than 18 for the purposes of exploitation. Research on the mental health of trafficked children is limited, and little is known about the use of mental health services by this group. This study aimed to investigate the mental health and service use characteristics of trafficked children in contact with mental health services in England. METHODS & FINDINGS: The study employed an historical cohort design...
2018: PloS One
Patricio D Carrera-Játiva, Eric R Morgan, Michelle Barrows, Torsten Wronski
Gastrointestinal parasites are commonly reported in wild birds, but transmission amongst avifauna in zoological settings, and between these captive birds and wild birds in surrounding areas, remains poorly understood. A survey was undertaken to investigate the occurrence of gastrointestinal parasites in captive and free-ranging birds at Bristol Zoo Gardens between May and July 2016. A total of 348 fecal samples from 32 avian species were examined using the Mini-FLOTAC flotation method. Parasites were detected in 31% (45/145) of samples from captive birds and in 65...
March 2018: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
Moyra Machado Portilho, Ana Carolina da Fonseca Mendonça, Cristianne Bezerra da Silva, Márcia Paschoal do Espirito-Santo, Vanessa Salete de Paula, Leticia Cancella Nabuco, Cristiane Alves Villela-Nogueira, Lia Laura Lewis-Ximenez, Elisabeth Lampe, Livia Melo Villar
For quantification of hepatitis B virus DNA (HBV DNA), commercial assays are used with serum or plasma samples, but oral fluid samples could be an alternative for HBV diagnosis due to ease of collection. This study aims to develop in-house real time PCR using synthetic curve for HBV DNA quantification for serum and oral fluid samples. Samples were collected from 103 individuals (55 HBsAg reactive and HBV DNA reactive by commercial assay and 48 without HBV markers) and submitted to two in-house real time PCR assays for HBV pre-S/S region with different standard curves: qPCR plasmidial and qPCR synthetic...
March 4, 2018: Journal of Virological Methods
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