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https://www.readbyqxmd.com/read/29212071/palmar-telangiectasias-a-cutaneous-sign-for-smoking
#1
Assi Levi, Ronen Shechter, Moshe Lapidoth, Claes D Enk
BACKGROUND: Telangiectasias are permanent dilations of blood capillaries which appear in a variety of medical conditions. Cutaneous palmar telangiectasias have been postulated to be associated with smoking. OBJECTIVE: To determine whether a significant correlation exists between palmar telangiectasias and smoking habits. PATIENTS AND METHODS: A total of 124 volunteers participated in this observational study by allowing physical evaluation of their palms and by completing a questionnaire...
December 7, 2017: Dermatology: International Journal for Clinical and Investigative Dermatology
https://www.readbyqxmd.com/read/29191707/changes-in-inflammatory-cardiac-markers-of-hiv-positive-patients
#2
João F P Rezer, Stephen A Adefegha, Assis Ecker, Daniela F Passos, Renata S P Saccol, Tatiana M D Bertoldo, Daniela B R Leal
HIV replication promotes atherogenesis and participates in the immune response to the virus, thereby influencing the inflammatory profile. These changes may, in turn, contribute to the risk of cardiovascular diseases with involvement of platelets. However, adenine nucleotides and nucleosides involved in thromboregulation and modulation of immune response may therefore be affected by these alterations. OBJECTIVES: This study sought to evaluate the profile of pro and anti-inflammatory cytokines (IL-10, IL-6, IL-17, TNF, IL-4, IL-2 and IFN-gamma), cardiac markers (troponin, CK, CK MB, LDH, CRP) in HIV-positive patients and assess the in vitro effect of antiretroviral therapy on the activities of ectonucleotidases (E-NTPDase and E-5'-nucleotidase) in human platelets...
November 27, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/29173205/effect-of-maternal-dyslipidaemia-on-the-cardiorespiratory-physiology-and-biochemical-parameters-in-male-rat-offspring
#3
Keyth Sulamitta L Guimarães, Emmanuel Veríssimo de Araújo, Jailane Souza Aquino, Danilo Assis Gadelha, Camille Moura Balarini, João Henrique Costa-Silva, Marciane Magnani, Hubert Vidal, Valdir Andrade Braga, José Luiz de Brito Alves
The present study evaluated the effects of maternal dyslipidaemia on blood pressure (BP), cardiorespiratory physiology and biochemical parameters in male offspring. Wistar rat dams were fed either a control (CTL) or a dyslipidaemic (DLP) diet during pregnancy and lactation. After weaning, both CTL and DLP offspring received standard diet. On the 30th and 90th day of life, blood samples were collected for metabolic analyses. Direct measurements of BP, respiratory frequency (RF), tidal volume (VT) and ventilation (VE) under baseline condition, as well as during hypercapnia (7 % CO2) and hypoxia (KCN, 0·04 %), were recorded from awake 90-d-old male offspring...
November 27, 2017: British Journal of Nutrition
https://www.readbyqxmd.com/read/29166141/adherence-to-the-wcrf-aicr-for-women-in-breast-cancer-adjuvant-treatment-submitted-to-educational-nutritional-intervention
#4
Sheyla de Liz, Francilene Gracieli Kunradi Vieira, Maria Alice Altenburg de Assis, Alyne Lizane Cardoso, Clarice Perucchi Lopes Pazini, Patricia Faria Di Pietro
Patients undergoing breast cancer treatment are susceptible to changes in eating behavior and nutrition status, thus making nutrition education relevant. Based on the World Cancer Research Fund/American Institute for Cancer Research (WCRF/AICR) guide, with recommendations for cancer prevention released in 2007, the present study aimed to evaluate the effectiveness of educational nutritional intervention for women with breast cancer undergoing treatment while adhering to the 2007 WCRF/AICR guidelines. A nonrandomized clinical trial was conducted with a population composed of female patients, divided in intervention (IG, n = 18) and comparison (CG, n = 68) groups...
November 22, 2017: Nutrition and Cancer
https://www.readbyqxmd.com/read/29134664/a-phase-ii-trial-of-ruxolitinib-in-combination-with-azacytidine-in-myelodysplastic-syndrome-myeloproliferative-neoplasms
#5
Rita Assi, Hagop M Kantarjian, Guillermo Garcia-Manero, Jorge E Cortes, Naveen Pemmaraju, Xuemei Wang, Graciela Nogueras-Gonzalez, Elias Jabbour, Prithviraj Bose, Tapan Kadia, Courtney D Dinardo, Keyur Patel, Carlos Bueso-Ramos, Lingsha Zhou, Sherry Pierce, Romany Gergis, Carla Tuttle, Gautam Borthakur, Zeev Estrov, Rajyalakshmi Luthra, Juliana Hidalgo-Lopez, Srdan Verstovsek, Naval Daver
Ruxolitinib and azacytidine target distinct disease manifestations of myelodysplastic syndrome/myeloproliferative neoplasms (MDS/MPNs). Patients with MDS/MPNs initially received ruxolitinib BID (doses based on platelets count), continuously in 28-day cycles for the first 3 cycles. Azacytidine 25 mg/m(2) (Day 1-5) intravenously or subcutaneously was recommended to be added to each cycle starting cycle 4 and could be increased to 75 mg/m(2) (Days 1-5) for disease control. Azacytidine could be started earlier than cycle 4 and/or at higher dose in patients with rapidly proliferative disease or with elevated blasts...
November 14, 2017: American Journal of Hematology
https://www.readbyqxmd.com/read/29119844/symptom-relief-and-health-related-quality-of-life-in-globus-patients-a-prospective-study
#6
Pia Järvenpää, Assi Laatikainen, Risto P Roine, Harri Sintonen, Perttu Arkkila, Leena-Maija Aaltonen
Globus may be a persistent symptom impairing patients' quality of life. Diagnostics and treatment are controversial but some globus patients may benefit from reassurance and attention. We investigated how globus symptoms change during a short-term follow-up without any treatment after an examination by an ear, nose and throat (ENT) physician and further diagnostic procedures. We also surveyed whether patients with persistent globus suffer from simultaneous voice problems. The study comprised 30 consecutive globus patients referred to Helsinki University Hospital, Department of Otorhinolaryngology - Head and Neck Surgery...
November 9, 2017: Logopedics, Phoniatrics, Vocology
https://www.readbyqxmd.com/read/29107927/photochemoprotective-effect-of-a-fraction-of-a-partially-purified-extract-of-byrsonima-crassifolia-leaves-against-uvb-induced-oxidative-stress-in-fibroblasts-and-hairless-mice
#7
Rebeca Oliveira de Souza, Geórgia de Assis Dias Alves, Ana Luiza Scarano Aguillera, Hervé Rogez, Maria José Vieira Fonseca
Ultraviolet B (UVB) irradiation increases the risk of various skin disorders, leading to inflammation and oxidative stress and thereby increasing the risk of skin photoaging and carcinogenesis. The use of photochemoprotectors such as natural products with antioxidant and anti-inflammatory properties represents a strategy for preventing UVB-induced skin damage. We investigated the photochemoprotective effect of a fraction of a partially purified extract of Byrsonima crassifolia leaves (BCF) on fibroblasts and hairless mice exposed to UVB radiation...
October 28, 2017: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/29094676/a-large-outbreak-of-bovine-botulism-possibly-linked-to-a-massive-contamination-of-grass-silage-by-type-d-c-clostridium-botulinum-spores-on-a-farm-with-dairy-and-poultry-operations
#8
A Relun, L Dorso, A Douart, C Chartier, R Guatteo, C Mazuet, M R Popoff, S Assié
Type D bovine botulism outbreaks associated with poultry litter are increasingly reported in European countries, but the circumstances of exposure to Clostridium botulinum toxins remain unclear. In spring 2015, a large type D/C bovine botulism outbreak affected a farm with dairy and poultry operations. Epidemiological and laboratory investigations strongly suggest that the outbreak was caused by feeding cattle with insufficiently acidified grass silage that was contaminated by type D/C C. botulinum spores. The source of the spores remains unclear, but could have been a stack of poultry litter stored in the grass silage pasture before harvesting...
November 2, 2017: Epidemiology and Infection
https://www.readbyqxmd.com/read/29091134/increased-peripheral-blood-tcd4-counts-and-serum-sp-d-levels-in-patients-with-chronic-paracoccidioidomycosis-during-and-after-antifungal-therapy
#9
James Venturini, Ricardo Souza Cavalcante, Tatiane Fernanda Sylvestre, Rodolfo Ferreira Dos Santos, Daniela Vanessa Moris, Lídia Raquel Carvalho, Maria Sueli Parreira de Arruda, Marjorie de Assis Golim, Rinaldo Poncio Mendes
BACKGROUND: The main clinical forms of paracoccidioidomycosis (PCM) are the acute/subacute form (AF) and the chronic form (CF), and they both display considerable clinical variability. The immune responses of PCM patients, during and after treatment, remain neglected, mainly in the case of CF patients, due to the high prevalence of pulmonary sequelae. OBJECTIVE: To evaluate the distribution of whole blood T cell subsets, serum cytokines, and biomarkers of pulmonary fibrosis in PCM patients, according to the clinical form and at different time points, during the antifungal therapy...
November 2017: Memórias do Instituto Oswaldo Cruz
https://www.readbyqxmd.com/read/29080449/peumus-boldus-attenuates-copper-induced-toxicity-in-drosophila-melanogaster
#10
Cláudia Vargas Klimaczewski, Assis Ecker, Bruna Piccoli, Michael Aschner, Nilda Vargas Barbosa, João Batista Teixeira Rocha
Peumus boldus (P. boldus) is a medicinal plant popularly used in the treatment of gastrointestinal disorders. P. boldus aqueous extract is rich in phenolic compounds and alkaloids that possess antiinflammatory and antioxidant effects. In the present study, the potential protective effect of P. boldus against Cu(2+)-induced toxicity was investigated. Adult Drosophila melanogaster were exposed to Cu(2+) (1mM and 3mM) and/or P. boldus aqueous extract (5mg/mL) in the food during 4days. Cu(2+)-fed flies had impairment in the negative geotaxis performance (i...
October 30, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29036705/chalcogenozidovudine-derivatives-with-antitumor-activity-comparative-toxicities-in-cultured-human-mononuclear-cells
#11
Assis Ecker, Pauline Christ Ledur, Rafael S da Silva, Daniela Bitencourt Rosa Leal, Oscar E D Rodrigues, Daniel Ardisson-Araújo, Emily Pansera Waczuk, João Batista Teixeira da Rocha, Nilda Vargas Barbosa
Considering a novel series of zidovudine (AZT) derivatives encompassing selenoaryl moieties promising candidates as therapeutics, we examined the toxicities elicited by AZT and derivatives 5'-(4-Chlorophenylseleno)zidovudine (SZ1); 5'-(Phenylseleno)zidovudine (SZ2); and 5'-(4-Methylphenylseleno)zidovudine (SZ3) in healthy cells and in mice. Resting and stimulated cultured human peripheral blood mononuclear cells (PBMCs) were treated with the compounds at concentrations ranging from 10 to 200 µM for 24 and/or 72 h...
November 1, 2017: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/29031576/acute-and-long-term-effects-of-trophic-exposure-to-silver-nanospheres-in-the-central-nervous-system-of-a-neotropical-fish-hoplias-intermedius
#12
T Klingelfus, J R Lirola, L F Oya Silva, G R Disner, M Vicentini, M J B Nadaline, J C Z Robles, L M Trein, C L Voigt, H C Silva de Assis, M Mela, D M Leme, M M Cestari
Nanotechnologies are at the center of societal interest, due to their broad spectrum of application in different industrial products. The current concern about nanomaterials (NMs) is the potential risks they carry for human health and the environment. Considering that NMs can reach bodies of water, there is a need for studying the toxic effects of NMs on aquatic organisms. Among the NMs' toxic effects on fish, the interactions between NMs and the nervous system are yet to be understood. For this reason, our goal was to assess the neurotoxicity of polyvinylpyrrolidone coated silver nanospheres [AgNS (PVP coated)] and compare their effects in relation to silver ions (Ag(+)) in carnivorous Hoplias intermedius fish after acute and subchronic trophic exposure through the analysis of morphological (retina), biochemical (brain) and genetic biomarkers (brain and blood)...
October 12, 2017: Neurotoxicology
https://www.readbyqxmd.com/read/29029285/selection-of-reference-genes-for-expression-studies-in-diaphorina-citri-hemiptera-liviidae
#13
Meire Menezes Bassan, Je Ssika Angelotti-Mendonc A, Gustavo Rodrigues Alves, Pedro Takao Yamamoto, Francisco de Assis Alves Moura O Filho
The Asian citrus psyllid, Diaphorina citri Kuwayama (Hemiptera: Liviidae), is considered the main vector of the bacteria associated with huanglongbing, a very serious disease that has threatened the world citrus industry. The absence of efficient control management protocols, including a lack of resistant cultivars, has led to the development of different approaches to study this pathosystem. The production of resistant genotypes relies on D. citri gene expression analyses by RT-qPCR to assess control of the vector population...
September 27, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/29025032/physical-activity-mediating-factors-and-risk-of-colon-cancer-insights-into-adiposity-and-circulating-biomarkers-from-the-epic-cohort
#14
Krasimira Aleksandrova, Mazda Jenab, Michael Leitzmann, Bas Bueno-de-Mesquita, Rudolf Kaaks, Antonia Trichopoulou, Christina Bamia, Pagona Lagiou, Sabina Rinaldi, Heinz Freisling, Marion Carayol, Tobias Pischon, Dagmar Drogan, Elisabete Weiderpass, Paula Jakszyn, Kim Overvad, Christina C Dahm, Anne Tjønneland, Marie-Christine Bouton-Ruault, Tilman Kühn, Eleni Peppa, Elissavet Valanou, Carlo La Vecchia, Domenico Palli, Salvatore Panico, Carlotta Sacerdote, Claudia Agnoli, Rosario Tumino, Anne May, Jonna van Vulpen, Kristin Benjaminsen Borch, Sunday Oluwafemi Oyeyemi, J Ramón Quirós, Catalina Bonet, María-José Sánchez, Miren Dorronsoro, Carmen Navarro, Aurelio Barricarte, Bethany van Guelpen, Patrik Wennberg, Timothy J Key, Kay-Tee Khaw, Nicholas Wareham, Nada Assi, Heather A Ward, Dagfinn Aune, Elio Riboli, Heiner Boeing
Background: There is convincing evidence that high physical activity lowers the risk of colon cancer; however, the underlying biological mechanisms remain largely unknown. We aimed to determine the extent to which body fatness and biomarkers of various biologically plausible pathways account for the association between physical activity and colon cancer. Methods: We conducted a nested case-control study in a cohort of 519 978 men and women aged 25 to 70 years followed from 1992 to 2003...
September 5, 2017: International Journal of Epidemiology
https://www.readbyqxmd.com/read/29021311/acute-ischemic-stroke-with-tandem-lesions-technical-endovascular-management-and-clinical-outcomes-from-the-escape-trial
#15
Zarina Assis, Bijoy K Menon, Mayank Goyal, Andrew M Demchuk, Jai Shankar, Jeremy L Rempel, Daniel Roy, Alexander Y Poppe, Victor Yang, Cheemun Lum, Dar Dowlatshahi, John Thornton, Hana Choe, Paul A Burns, Donald F Frei, Blaise W Baxter, Michael D Hill
BACKGROUND: Tandem occlusions of the extracranial carotid and intracranial carotid or middle cerebral artery have a particularly poor prognosis without treatment. Several management strategies have been used with no clear consensus recommendations. We examined subjects with tandem occlusions enrolled in the ESCAPE trial and their outcomes. METHODS: Data are from the ESCAPE trial. Additional data were sought on interventions for each subject. RESULTS: There were 54 (17%) subjects with tandem extracranial and intracranial occlusions...
October 11, 2017: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/28982933/steroidogenesis-during-postnatal-testicular-development-of-galea-spixii
#16
P R S Santos, F D Oliveira, M A M Arroyo, M F Oliveira, P Castelucci, A J Conley, A C Assis Neto
The androgen/estrogen balance is essential for normal sexual development and reproduction in mammals. Studies performed herein investigated the potential for estrogen synthesis in cells of the testes of a hystricomorph rodent, Galea spixii The study characterized the expression of the key enzymes responsible for estrogen and androgen synthesis, cytochromes P450 aromatase (P450arom), 17α-hydroxylase/17,20-lyase (P450c17) respectively, as well as the redox partner NADPH cytochrome P450 oxido-reductase (CPR) required to support electron transfer and catalysis of these P450s, by immunohistochemistry (IHC) and quantitative polymerase chain reaction (qPCR) analysis, throughout postnatal sexual development...
November 2017: Reproduction: the Official Journal of the Society for the Study of Fertility
https://www.readbyqxmd.com/read/28962655/a-unique-heterologous-fibrin-sealant-hfs-as-a-candidate-biological-scaffold-for-mesenchymal-stem-cells-in-osteoporotic-rats
#17
Patrícia Rodrigues Orsi, Fernanda Cruz Landim-Alvarenga, Luis Antônio Justulin, Ramon Kaneno, Marjorie de Assis Golim, Daniela Carvalho Dos Santos, Camila Fernanda Zorzella Creste, Eunice Oba, Leandro Maia, Benedito Barraviera, Rui Seabra Ferreira
BACKGROUND: The injection of mesenchymal stem cells (MSCs) directly into the bone of osteoporotic (OP) patients for rapid recovery has been studied worldwide. Scaffolds associated with MSCs are used to maintain and avoid cell loss after application. A unique heterologous fibrin sealant (HFS) derived from snake venom was evaluated for the cytotoxicity of its main components and as a three-dimensional biological scaffold for MSCs to repair a critical femur defect in osteoporotic rats. METHODS: The cytotoxicity of HFS was assessed using a 3-(4,5-dimethyl-2-thiazolyl)-2,5-diphenyl-2H-tetrazoliumbromide (MTT) assay and transmission electron microscopy...
September 29, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28958178/the-national-health-services-of-brazil-and-northern-europe-universality-equity-and-integrality-time-has-come-for-the-latter
#18
Garibaldi D Gurgel, Islândia M Carvalho de Sousa, Sydia Rosana de Araujo Oliveira, Francisco de Assis da Silva Santos, Finn Diderichsen
In 1990 the national health services in the United Kingdom and Sweden started to split up in internal markets with purchasers and providers. It was also the year when Brazil started to implement a national health service (SUS) inspired by the British national health service that aimed at principles of universality, equity, and integrality. While the reform in Brazil aimed at improving equity and effectiveness, reforms in Europe aimed at improving efficiency in order to contain costs. The European reforms increased supply and utilization but never provided the large increase in efficiency that was hoped for, and inequities have increased...
January 1, 2017: International Journal of Health Services: Planning, Administration, Evaluation
https://www.readbyqxmd.com/read/28950350/a-prospective-evaluation-of-plasma-phospholipid-fatty-acids-and-breast-cancer-risk-in-the-epic-study
#19
V Chajès, N Assi, C Biessy, P Ferrari, S Rinaldi, N Slimani, G M Lenoir, L Baglietto, M His, M C Boutron-Ruault, A Trichopoulou, P Lagiou, M Katsoulis, R Kaaks, T Kühn, S Panico, V Pala, G Masala, H B Bueno-de-Mesquita, P H Peeters, C van Gils, A Hjartåker, K Standahl Olsen, R Borgund Barnung, A Barricarte, D Redondo-Sanchez, V Menéndez, P Amiano, M Wennberg, T Key, K T Khaw, M A Merritt, E Riboli, M J Gunter, I Romieu
Background: Intakes of specific fatty acids have been postulated to impact breast cancer risk but epidemiological data based on dietary questionnaires remain conflicting. Materials and methods: We assessed the association between plasma phospholipid fatty acids and breast cancer risk in a case-control study nested within the European Prospective Investigation into Cancer and Nutrition study. Sixty fatty acids were measured by gas chromatography in pre-diagnostic plasma phospholipids from 2982 incident breast cancer cases matched to 2982 controls...
November 1, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28943398/cold-sensing-trpm8-channel-participates-in-circadian-control-of-the-brown-adipose-tissue
#20
Maria Nathália Moraes, Leonardo Vinicius Monteiro de Assis, Felipe Dos Santos Henriques, Miguel Luiz Batista, Ali D Güler, Ana Maria de Lauro Castrucci
Transient receptor potential (TRP) channels are known to regulate energy metabolism, and TRPM8 has become an interesting player in this context. Here we demonstrate the role of the cold sensor TRPM8 in the regulation of clock gene and clock controlled genes in brown adipose tissue (BAT). We investigated TrpM8 temporal profile in the eyes, suprachiasmatic nucleus and BAT; only BAT showed temporal variation of TrpM8 transcripts. Eyes from mice lacking TRPM8 lost the temporal profile of Per1 in LD cycle. This alteration in the ocular circadian physiology may explain the delay in the onset of locomotor activity in response to light pulse, as compared to wild type animals (WT)...
December 2017: Biochimica et Biophysica Acta
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