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https://www.readbyqxmd.com/read/28214273/candidaemia-due-to-candida-parapsilosis-species-complex-at-a-hospital-in-brazil-clinical-characteristics-and-antifungal-susceptibility-profile
#1
Débora de Souza Olartechea de Alencar, Rosianne Assis de Sousa Tsujisaki, Fernanda Luiza Espinosa Spositto, Maína de Oliveira Nunes, Adriana Araújo de Almeida, Marilena Dos Anjos Martins, Marcia de Souza Carvalho Melhem, Marilene Rodrigues Chang
BACKGROUND: Recent decades have seen a global emergence of candidaemia caused by non-Candida albicans Candida species, particularly the Candida parapsilosis complex. AIMS: To evaluate the clinical features and antifungal susceptibility profiles of isolates belonging to the C. parapsilosis species complex in patients with candidaemia in a midwestern Brazilian tertiary-care teaching hospital. METHODS: Yeast identification was performed using an automated Vitek 2 Compact system...
February 14, 2017: Revista Iberoamericana de Micología
https://www.readbyqxmd.com/read/28214216/cancer-stem-cell-cytokeratins-and-epithelial-to-mesenchymal-transition-markers-expression-in-oral-squamous-cell-carcinoma-derived-from-ortothopic-xenoimplantation-of-cd44-high-cells
#2
Nathália Paiva de Andrade, Maria Fernanda Setúbal Destro Rodrigues, Camila Oliveira Rodini, Fabio Daumas Nunes
Oral squamous cell carcinoma (OSCC) is the most prevalent neoplasia of oral cavity worldwide and prognosis remains unchanged in decades. Recently, different authors reported that head and neck squamous cell carcinomas have a subpopulation of tumor initiating cells that apparently correspond to cancer stem cells (CSC) and are also responsible for tumor growth and metastasis. The purpose of the present study was to investigate the microscopic and phenotypic characteristics of OSCC tumors induced after orthotopic xenoimplantation of SCC9(WT) cell line and CSC-enriched subpopulation isolated from SCC9 cell line based on high expression of the putative CSC marker CD44...
December 23, 2016: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28213272/rev-erb-regulation-of-cholesterologenesis
#3
Sadichha Sitaula, Jinsong Zhang, Fernanda Ruiz, Thomas P Burris
REV-ERBα and REV-ERBβ are heme regulated nuclear receptors that are known to regulate metabolic pathways. We previously demonstrated that treatment of mice with synthetic REV-ERB agonists suppressed plasma cholesterol levels and the hepatic levels of the rate limiting enzyme in cholesterol biosynthesis (3-hydroxy-3-Mmethylglutaryl-CoA reductase). Here, we characterize the role of REV-ERB on the cholesterol biosynthetic pathway in greater detail. The REV-ERB agonist SR9009 reduced plasma cholesterol levels in both wild type C57Bl/6 and low density lipoprotein receptor (LDLR) null mice as well as reducing the expression of an array of genes within the cholesterol biosynthetic pathway...
February 14, 2017: Biochemical Pharmacology
https://www.readbyqxmd.com/read/28213011/calorie-restriction-promotes-cardiolipin-biosynthesis-and-distribution-between-mitochondrial-membranes
#4
Luis Alberto Luévano-Martínez, Maria Fernanda Forni, Julia Peloggia, Ii-Sei Watanabe, Alicia J Kowaltowski
Calorie restriction (CR) has been amply demonstrated to modify mitochondrial function. However, little is known regarding the effects of this dietary regimen on mitochondrial membranes. We isolated phospholipids from rat liver mitochondria from animals on CR or ad libitum diets and found that mitochondria from ad libitum animals present an increased content of lipoperoxides and the content of cardiolipin. Cardiolipin is the main anionic phospholipid present in mitochondrial membranes, and plays a key role in mitochondrial function, signaling and stress response...
February 14, 2017: Mechanisms of Ageing and Development
https://www.readbyqxmd.com/read/28212654/diversity-and-distribution-of-avian-malaria-and-related-haemosporidian-parasites-in-captive-birds-from-a-brazilian%C3%A2-megalopolis
#5
Carolina Romeiro Fernandes Chagas, Gediminas Valkiūnas, Lilian de Oliveira Guimarães, Eliana Ferreira Monteiro, Fernanda Junqueira Vaz Guida, Roseli França Simões, Priscila Thihara Rodrigues, Expedito José de Albuquerque Luna, Karin Kirchgatter
BACKGROUND: The role of zoos in conservation programmes has increased significantly in last decades, and the health of captive animals is essential to guarantee success of such programmes. However, zoo birds suffer from parasitic infections, which often are caused by malaria parasites and related haemosporidians. Studies determining the occurrence and diversity of these parasites, aiming better understanding infection influence on fitness of captive birds, are limited. METHODS: In 2011-2015, the prevalence and diversity of Plasmodium spp...
February 17, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28209442/the-maturation-state-of-the-auditory-nerve-and-brainstem-in-rats-exposed-to-lead-acetate-and-supplemented-with-ferrous-sulfate
#6
Fernanda Zucki, Thais C Morata, Josilene L Duarte, Maria Cecília F Ferreira, Manoel H Salgado, Kátia F Alvarenga
INTRODUCTION: The literature has reported the association between lead and auditory effects, based on clinical and experimental studies. However, there is no consensus regarding the effects of lead in the auditory system, or its correlation with the concentration of the metal in the blood. OBJECTIVE: To investigate the maturation state of the auditory system, specifically the auditory nerve and brainstem, in rats exposed to lead acetate and supplemented with ferrous sulfate...
January 23, 2017: Brazilian Journal of Otorhinolaryngology
https://www.readbyqxmd.com/read/28207930/elevation-of-glycosaminoglycans-in-the-amniotic-fluid-of-a-fetus-with-mucopolysaccharidosis-vii
#7
Francyne Kubaski, Ana Carolina Brusius-Facchin, Robert W Mason, Pravin Patel, Maira G Burin, Kristiane Michelin-Tirelli, Rejane Gus Kessler, Fernanda Bender, Sandra Leistner-Segal, Carolina A Moreno, Denise P Cavalcanti, Roberto Giugliani, Shunji Tomatsu
OBJECTIVE: The aim of this study was to quantify GAGs in amniotic fluid (AF) from an MPS VII fetus compared with age-matched fetuses obtained from normal pregnancies. METHOD: Disaccharides were measured by liquid chromatography tandem mass spectrometry (LC/MS/MS), compared to age-matched controls. Enzyme assay was performed in AF supernatant or cultured amniocytes. GUSB was analyzed by next generation sequencing using Ion Torrent Personal Genome Machine with a customized panel...
February 16, 2017: Prenatal Diagnosis
https://www.readbyqxmd.com/read/28207597/implant-anchorage-in-the-nasopalatine-canal-for-the-rehabilitation-of-severely-atrophic-maxilla
#8
Pâmela Leticia Dos Santos, Gustavo Henrique Souza Silva, Raquel Damazia da Silva, Fernanda Rayssa Da Silva Pereira, Jéssica Lemos Gulinelli
PURPOSE: This study aimed to describe the clinical case of implant placement in the nasopalatine canal as an aid for atrophic maxilla rehabilitation. CASE REPORT: The surgical procedure was carried out in 2 stages, the first part consisted of a surgery to lift the maxillary sinus membrane associated with the xenogeneic bone placement and the second part consisted of the surgery for the implants placement, both under local anesthesia. A number of seven osseointegrated implants were placed in the maxilla, one was anchored in the nasopalatine canal region after having its neurovascular content emptied by means of the use of drill threads of the implant system...
February 14, 2017: Implant Dentistry
https://www.readbyqxmd.com/read/28207011/shedding-light-on-onychomadesis
#9
Fernanda Salgado, Marc Z Handler, Robert A Schwartz
Onychomadesis is the proximal separation of the nail plate from the nail matrix due to a temporary cessation of nail growth. It can occur in children of all ages including neonates. Diagnosis is made clinically through palpation and inspection of the nail plate. Physicians should consider underlying associations. A review of the patient's history for any viral illnesses 1 to 2 months prior to nail changes often will help identify the causative disease. Onychomadesis typically is mild and self-limited. There is no specific treatment, but a conservative approach to management is recommended with treatment of any underlying causes and supportive care...
January 2017: Cutis; Cutaneous Medicine for the Practitioner
https://www.readbyqxmd.com/read/28205402/quantum-chemistry-descriptors-for-photosensitizers-based-on-macrocycles
#10
Fernanda Bettanin, Felipe C T Antonio, Kathia M Honorio, Paula Homem-de-Mello
Phthalocyanines, porphyrins, and chlorins have been widely studied as photosensitizers. Both experimental and computational strategies are employed in order to propose new and more active molecules derived from those macrocycles. In this context, there are two main strategies used: (i) the addition of different substituents and (ii) the complexation of the macrocycle with different metallic ions. In this work, we present selected descriptors based on quantum chemistry calculations for forty macrocycles, including some approved drugs...
February 2017: Chemical Biology & Drug Design
https://www.readbyqxmd.com/read/28202703/investigations-in-gabaa-receptor-antibody-associated-encephalitis
#11
Marianna Spatola, Mar Petit-Pedrol, Mateus Mistieri Simabukuro, Thaís Armangue, Fernanda J Castro, Maria I Barcelo Artigues, Maria R Julià Benique, Leslie Benson, Mark Gorman, Ana Felipe, Ruben L Caparó Oblitas, Myrna R Rosenfeld, Francesc Graus, Josep Dalmau
OBJECTIVE: To report the clinical features, comorbidities, receptor subunit targets, and outcome in patients with anti-GABAA receptor (GABAAR) encephalitis. METHODS: Clinical study of 26 patients, including 17 new (April 2013-January 2016) and 9 previously reported patients. Antibodies to α1, β3, and γ2 subunits of the GABAAR were determined using reported techniques. RESULTS: Patients' median age was 40.5 years (interquartile range 48...
February 15, 2017: Neurology
https://www.readbyqxmd.com/read/28202529/aberrant-syk-kinase-signaling-is-essential-for-tumorigenesis-induced-by-tsc2-inactivation
#12
Ye Cui, Wendy K Steagall, Anthony Lamattina, Gustavo Pacheco-Rodriguez, Mario Stylianou, Pranav Kidambi, Benjamin Stump, Fernanda Golzarri, Ivan O Rosas, Carmen Priolo, Elizabeth P Henske, Joel Moss, Souheil El-Chemaly
Somatic or germline mutations in the tuberous sclerosis complex (TSC) tumor suppressor genes are associated closely with the pathogenesis of lymphangioleiomyomatosis (LAM), a rare and progressive neoplastic disease that predominantly affects women in their childbearing years. Serum levels of the lymphangiogeneic growth factor VEGF-D are elevated significantly in LAM. However, there are gaps in knowledge regarding VEGF-D dysregulation and its cellular origin in LAM. Here we show that increased expression and activation of the tyrosine kinase Syk in TSC2-deficient cells and pulmonary nodules from LAM patients contributes to tumor growth...
February 15, 2017: Cancer Research
https://www.readbyqxmd.com/read/28202361/pre-clinical-evaluation-of-voltage-gated-calcium-channel-blockers-derived-from-the-spider-p-nigriventer-in-glioma-progression
#13
Natália Fontana Nicoletti, Thaís Cristina Erig, Rafael Fernandes Zanin, Marcelo Ricardo Roxo, Nelson Pires Ferreira, Marcus Vinicius Gomez, Fernanda Bueno Morrone, Maria Martha Campos
This study investigated the effects of P/Q- and N-type voltage-gated calcium channel (VGCC) blockers derived from P. nigriventer in glioma progression, by means of in vitro and in vivo experiments. Glioma cells M059J, U-138MG and U-251MG were used to evaluate the antiproliferative effects of P/Q- and N-type VGCC inhibitors PhTx3-3 and Phα1β from P. nigriventer (0.3-100 pM), in comparison to MVIIC and MVIIA from C. magus (0.3-100 pM), respectively. The toxins were also analyzed in a glioma model induced by implantation of GL261 mouse cells...
February 12, 2017: Toxicon: Official Journal of the International Society on Toxinology
https://www.readbyqxmd.com/read/28202087/disability-adjusted-life-year-daly-of-central-line-bloodstream-infection-clabsi-in-a-university-hospital-in-a-developing-country-brazil
#14
Jaqueline Abel da Rocha, Fernanda Moreth do Valle, Natalia Chilinque Zambão da Silva, Ana Sheila Duarte Nunes Silva, Suzana Dos Santos Vaz, Wildo Navegantes de Araújo, Ianick Souto Martins
Central-line bloodstream infection (CLABSI) increases hospital mortality. A cohort study was conducted in a Brazilian hospital to estimate the disability-adjusted life year (DALY) of CLABSI using modified World Health Organization (WHO) methodology. CLABSI DALY was 20.44 per 1,000 inpatients, most were the result of premature death (20.42 per 1,000 inpatients). DALY can be useful to guide and measure the impact of healthcare infection prevention. Infect Control Hosp Epidemiol 2017;1-4.
February 16, 2017: Infection Control and Hospital Epidemiology
https://www.readbyqxmd.com/read/28202059/cardiosphere-derived-cells-do-not-improve-cardiac-function-in-rats-with-cardiac-failure
#15
Taís Hanae Kasai-Brunswick, Andréa Rodrigues da Costa, Raiana Andrade Quintanilha Barbosa, Bruna Farjun, Fernanda Cristina Paccola Mesquita, Danúbia Silva Dos Santos, Isalira Peroba Ramos, Grazielle Suhett, Guilherme Visconde Brasil, Sandro Torrentes da Cunha, José Oscar R Brito, Juliana do Amaral Passipieri, Adriana Bastos Carvalho, Antonio Carlos Campos de Carvalho
BACKGROUND: Heart failure represents an important public health issue due to its high costs and growing incidence worldwide. Evidence showing the regenerative potential of postmitotic heart tissue has suggested the existence of endogenous cardiac stem cells in adult hearts. Cardiosphere-derived cells (CDC) constitute a candidate pool of such cardiac stem cells. Previous studies using acute myocardial infarction (MI) models in rodents demonstrated an improvement in cardiac function after cell therapy with CDC...
February 15, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28201826/adiposity-indexes-as-phenotype-specific-markers-of-preclinical-metabolic-alterations-and-cardiovascular-risk-in-polycystic-ovary-syndrome-a-cross-sectional-study
#16
Fernanda Missio Mario, Scheila Karen Graff, Poli Mara Spritzer
Polycystic ovary syndrome (PCOS) is a common condition in women of reproductive age. 2 PCOS phenotypes (classic and ovulatory) are currently recognized as the most prevalent, with important differences in terms of cardiometabolic features. We studied the performance of different adiposity indexes to predict preclinical metabolic alterations and cardiovascular risk in 234 women with PCOS (173 with classic and 61 with ovulatory PCOS) and 129 controls. Performance of waist circumference, waist-to-height ratio, conicity index, lipid accumulation product, and visceral adiposity index was assessed based on HOMA-IR ≥ 3...
February 15, 2017: Experimental and Clinical Endocrinology & Diabetes
https://www.readbyqxmd.com/read/28199309/phosphatidylinositol-3-kinase-%C3%AE-blockade-increases-genomic-instability-in-b-cells
#17
Mara Compagno, Qi Wang, Chiara Pighi, Taek-Chin Cheong, Fei-Long Meng, Teresa Poggio, Leng-Siew Yeap, Elif Karaca, Rafael B Blasco, Fernanda Langellotto, Chiara Ambrogio, Claudia Voena, Adrian Wiestner, Siddha N Kasar, Jennifer R Brown, Jing Sun, Catherine J Wu, Monica Gostissa, Frederick W Alt, Roberto Chiarle
Activation-induced cytidine deaminase (AID) is a B-cell-specific enzyme that targets immunoglobulin genes to initiate class switch recombination and somatic hypermutation. In addition, through off-target activity, AID has a much broader effect on genomic instability by initiating oncogenic chromosomal translocations and mutations involved in the development and progression of lymphoma. AID expression is tightly regulated in B cells and its overexpression leads to enhanced genomic instability and lymphoma formation...
February 15, 2017: Nature
https://www.readbyqxmd.com/read/28198982/molecular-and-morphological-surface-analysis-effect-of-filling-pastes-and-cleaning-agents-on-root-dentin
#18
Vanessa Benetello Dainezi, Alexsandra Shizue Iwamoto, Airton Abrahão Martin, Luís Eduardo Silva Soares, Yumiko Hosoya, Fernanda Miori Pascon, Regina Maria Puppin-Rontani
Objective: This study evaluated the effect of different filling pastes and cleaning agents on the root dentin of primary teeth using Fourier-transformed Raman spectroscopy (FT-Raman), micro energy-dispersive X-ray fluorescence (µ-EDXRF) and scanning electron microscopic (SEM) analysis. Material and Methods: Eighty roots of primary teeth were endodontically prepared and distributed into 4 groups and filled according to the following filling pastes: Control-no filling (CP), Calen®+zinc oxide (CZ), Calcipex II® (CII), Vitapex® (V)...
January 2017: Journal of Applied Oral Science: Revista FOB
https://www.readbyqxmd.com/read/28198976/role-of-candida-species-from-hiv-infected-children-in-enamel-caries-lesions-an-in-vitro-study
#19
Senda Charone, Maristela Barbosa Portela, Karol de Oliveira Martins, Rosangela Maria Soares, Gloria Fernanda Castro
Objectives: This study analyzed the capacity of Candida spp. from dental biofilm of HIV infected (HIV+) children to demineralize primary molar enamel in vitro by Transversal Microhardness (TMH), Polarized Light Microscopy (PLM) and the quantity of calcium ions (Ca2+) released from the enamel. Material and Methods: Candida spp. samples were isolated from the supragingival biofilm of HIV+ children. A hundred and forty (140) enamel blocks were randomly assigned to six groups: biofilm formed by C...
January 2017: Journal of Applied Oral Science: Revista FOB
https://www.readbyqxmd.com/read/28198944/the-social-network-and-support-of-kidney-transplantees
#20
Daianne Cibele de Souza Borges, Fernanda de Oliveira Furino, Mayara Caroline Barbieri, Renata Olzon Dionysio de Souza, Willyane de Andrade Alvarenga, Giselle Dupas
Objective: to know the social network and support of those who experience the process of kidney disease and transplantation. Methods: a descriptive qualitative study, based on the concept of social network and social support from Sherbourne and Stewart. Semi-structured interviews were conducted from November 2013 to September 2014, with 12 kidney transplantees, which passed through content analysis. This study had the following selection criteria: the interviewee must have had a transplant five years ago, at most, be at lease 16 years of age and have preserved cognitive and language skills...
February 9, 2017: Revista Gaúcha de Enfermagem
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