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https://www.readbyqxmd.com/read/28513635/the-impact-of-dark-chocolate-intake-on-arterial-elasticity-in-individuals-with-hiv-aids-undergoing-art-a-randomized-double-blind-crossover-trial
#1
Andrea Mariana Nunes da Costa Teixeira, Liania Alves Luzia, Suelen Jorge de Souza, Aline de Almeida Petrilli, Patrícia de Moraes Pontilho, Jose Maria Pacheco de Souza, Aluísio Augusto Cotrim Segurado, Priscila Efraim, Camila de Melo Picone, Patrícia Helen de Carvalho Rondo
An increase in the frequency of cardiovascular diseases has been observed in the HIV/AIDS population. Studies involving healthy subjects or subjects with other diseases have shown benefits of chocolate supplementation on endothelial function and vasodilation. We evaluate the impact of chocolate consumption on arterial elasticity in people living with human immunodeficiency virus - PLHIV. A double-blind, crossover trial including 110 PLHIV (19 to 59 years) on antiretroviral therapy - ART for at least 6 months and with a viral load of <500 copies per mL was conducted...
May 17, 2017: Food & Function
https://www.readbyqxmd.com/read/28504003/different-metabolic-responses-induced-by-long-term-interdisciplinary-therapy-in-obese-adolescents-related-to-ace-i-d-polymorphism
#2
Sandro S Almeida, Flavia C Corgosinho, Carlos En Amorim, Marcos F Gregnani, Raquel Ms Campos, Deborah Cl Masquio, Priscila L Sanches, Aline P Ganen, João B Pesquero, Ana R Dâmaso, Marco T Mello, Sergio Tufik, Ronaldo C Araújo
INTRODUCTION: The main purpose of the present study was to investigate whether I/D polymorphism of the ACE gene might affect metabolic changes related to the metabolic syndrome through a long-term interdisciplinary therapy in obese adolescents. METHODS: In total, 125 obese adolescents who entered the interdisciplinary obesity programme were assigned to the following two subgroups: metabolic syndrome or non-metabolic syndrome. They were evaluated at baseline and after 1 year...
April 2017: Journal of the Renin-angiotensin-aldosterone System: JRAAS
https://www.readbyqxmd.com/read/28489128/obesity-bariatric-surgery-and-oxidative-stress
#3
Roberta Cattaneo Horn, Gabriela Tassotti Gelatti, Natacha Cossettin Mori, Ana Caroline Tissiani, Mariana Spanamberg Mayer, Elvio Almeida Pereira, Marcelo Ross, Paulo Ricardo Moreira, Josiane Woutheres Bortolotto, Tamiris Felippin
Introduction: Obesity refers to the accumulation of fatty tissues and it favors the occurrence of oxidative stress. Alternatives that can contribute to body weight reduction have been investigated in order to reduce the production of reactive oxygen species responsible for tissue damage. The aim of the current study was to assess whether the oxidant and antioxidant markers of obese women before and after bariatric surgery were able to reduce oxidative damage. Method: We have assessed 16 morbidly obese women five days before and 180 days after the surgery...
March 2017: Revista da Associação Médica Brasileira
https://www.readbyqxmd.com/read/28457947/influence-of-temperature-on-the-antioxidant-responses-and-lipid-peroxidation-of-two-species-of-tadpoles-rhinella-schneideri-and-physalaemus-nattereri-exposed-to-the-herbicide-sulfentrazone-boral-500sc%C3%A2
#4
Juliane Silberschmidt Freitas, Fabrício Barreto Teresa, Eduardo Alves de Almeida
Amphibians can experience large temperature fluctuations in their habitats, especially during the larval stage, when tadpoles are restricted to small and ephemeral ponds. Changes in water temperature can alter development, metabolism and behaviour of cold-blooded animals but also the toxicokinetics of chemicals in the environment. In Brazil, pesticides application is intensified during the rainy season, which is the period of reproduction for many amphibian species. We evaluated here the influence of temperature (28, 32, and 36°C) on the toxicity of the herbicide sulfentrazone (Boral®SC) in tadpoles of Physalaemus nattereri and Rhinella schneideri, by analysis of oxidative stress biomarkers...
April 27, 2017: Comparative Biochemistry and Physiology. Toxicology & Pharmacology: CBP
https://www.readbyqxmd.com/read/28454924/dual-effect-of-silymarin-on-experimental-non-alcoholic-steatohepatitis-induced-by-irinotecan
#5
Eudmar Marcolino Assis-Júnior, Anielle Torres Melo, Venúcia Bruna Magalhães Pereira, Deysi Viviana Tenazoa Wong, Nathalia Ribeiro Pinho Sousa, Christiane Mendes Gonçalves Oliveira, Lara Raissa Cavalcante Malveira, Leonardo Silva Moreira, Marcellus Henrique Loiola Ponte Souza, Paulo Roberto Carvalho Almeida, Roberto César Pereira Lima-Júnior
Irinotecan-based regimens are commonly used for treatment of colorectal cancer, which is limited by mucositis and non-alcoholic steatohepatitis (NASH). Silymarin (SIL) prevents fatty liver disease in the clinical setting and in models of liver damage induced chemically. This study investigated the possible effect of SIL on irinotecan (IRI)-induced NASH. Swiss female mice were injected with saline (SAL 5ml/kg i.p.), IRI (50mg/kg i.p.), SIL (150mg/kg p.o.) or IRI (50mg/kg i.p.)+(SIL 1.5, 15 or 150mg/kg p.o.) thrice/week/7weeks...
April 26, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/28442267/shell-alterations-in-limpets-as-putative-biomarkers-for-multi-impacted-coastal-areas
#6
Felipe Nincao Begliomini, Daniele Claudino Maciel, Sérgio Mendonça de Almeida, Denis Moledo Abessa, Luciane Alves Maranho, Camilo Seabra Pereira, Gilvan Takeshi Yogui, Eliete Zanardi-Lamardo, Ítalo Braga Castro
During the last years, shell alterations in gastropods have been proposed as tools to be used in monitoring programs. However, no studies were so far performed investigating the relationships among shell parameters and classical biomarkers of damage. The relationship between shell alterations (biometrics, shape and elemental composition) and biomarkers (LPO and DNA strand break) was evaluated in the limpet L. subrugosa sampled along a contamination gradient in a multi-impacted coastal zone from southeastern Brazil...
April 22, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28431322/xanthohumol-and-8-prenylnaringenin-ameliorate-diabetic-related-metabolic-dysfunctions-in-mice
#7
Raquel Costa, Ilda Rodrigues, Luísa Guardão, Sílvia Rocha-Rodrigues, Carolina Silva, José Magalhães, Manuel Ferreira-de-Almeida, Rita Negrão, Raquel Soares
Type 2 diabetes mellitus (T2DM) is a chronic disease characterized by metabolic disturbances in specific tissues. The present work aimed to analyze the effects of xanthohumol (XN) and 8-prenylnaringenin (8PN), two beer-derived polyphenols, in liver and skeletal muscle lipid and glycolytic metabolism in T2DM mice model. Thirty C57Bl/6 mice were randomly divided into five groups: standard diet (control), high-fat diet (DM), high-fat diet plus ethanol (DM-Ethanol), high-fat diet plus 10 mg/L XN (DM-XN) and high-fat diet plus 10 mg/L 8PN (DM-8PN) during 20 weeks...
April 6, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28429194/photobiomodulation-therapy-associated-with-treadmill-training-in-the-oxidative-stress-in-a-collagen-induced-arthritis-model
#8
Solange Almeida Dos Santos, Marcia Ataize Dos Santos Vieira, Maira Cécilia Brandão Simões, Andrey Jorge Serra, Ernesto Cesar Leal-Junior, Paulo de Tarso Camillo de Carvalho
Rheumatoid arthritis (RA) is a chronic inflammatory disease characterized by chronic and systemic inflammation, which leads to the destruction of the cartilage and bone and affects tissues in multiple joints. Oxidative stress has been implicated with regards to involvement in various disease conditions, such as diabetes mellitus and neurodegenerative, respiratory, cardiovascular, and RA diseases. In vivo experimental studies using photobiomodulation therapy (PBMT) have shown positive effects in reducing lipid peroxidation and in increasing antioxidant activity...
April 21, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/28402322/nutritional-status-in-patients-with-phenylketonuria-using-glycomacropeptide-as-their-major-protein-source
#9
A Pinto, M F Almeida, P C Ramos, S Rocha, A Guimas, R Ribeiro, E Martins, A Bandeira, A MacDonald, J C Rocha
BACKGROUND/OBJECTIVES: Low phenylalanine (PHE), glycomacropeptide-based protein substitute (GMP) is an alternative to traditional L-amino acid supplements (AA) used in the dietary management of phenylketonuria (PKU). In a retrospective, longitudinal study, we report the nutritional status of PKU patients taking AA and GMP. SUBJECTS/METHODS: Eleven PKU patients aged 27±10 years (1 HPA, 4 mild and 6 classical PKU) on dietary treatment were evaluated (anthropometry, body composition, blood pressure measurements, biochemical markers including vitamin, mineral, lipids, carbohydrates and protein status/metabolism, and nutritional intake assessment) at two different annual reviews...
April 12, 2017: European Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28396017/cell-surface-targeting-of-the-melanocortin-5-receptor-mc5r-requires-serine-rich-terminal-motifs
#10
A R Rodrigues, D Sousa, H Almeida, A M Gouveia
The Melanocortin 5 Receptor (MC5R) is a cell surface receptor that belongs to the class of G-protein coupled receptors (GPCRs), which comprises an intracellular carboxylic domain, seven transmembrane helices and an extracellular amino terminal. Over the last few years, MC5R has been implicated in the regulation of lipid metabolism in exocrine glands, muscle and even in adipose tissue and its function is quite dependent on its correct cell membrane targeting. In this context, the purpose of this work was to study the role of MC5R N-terminus in the receptor trafficking from the endoplasmic reticulum (ER) through the Golgi complex to the plasma membrane...
April 8, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28395280/triple-a-syndrome-preliminary-response-to-the-antioxidant-n-acetylcysteine-treatment-in-a-child
#11
Maria Candida Barisson Villares Fragoso, Edoarda Vasco de Albuquerque Albuquerque, Ana Luiza de Almeida Cardoso, Paula Waki Lopes da Rosa, Rodrigo Bomeny de Paulo, Maria Heloisa Massola Schimizu, Antonio Carlos Seguro, Marisa Passarelli, Katrin Koehler, Angela Huebner, Madson Q Almeida, Ana Claudia Latronico, Ivo Jorge Prado Arnhold, Berenice Bilharinho Mendonca
INTRODUCTION: Triple A syndrome (AAAS) is a rare autosomal recessive disorder characterized by alacrima, achalasia, ACTH-resistant adrenal insufficiency, autonomic dysfunction, and progressive neurodegeneration. Increased oxidative stress, demonstrated in patients' fibroblasts in vitro, may be a central disease mechanism. N-acetylcysteine protects renal function in patients with kidney injuries associated with increased oxidative stress and improves viability of AAAS-knockdown adrenal cells in vitro...
April 10, 2017: Hormone Research in Pædiatrics
https://www.readbyqxmd.com/read/28348154/mechanisms-of-vesicular-stomatitis-virus-inactivation-by-protoporphyrin-ix-zinc-protoporphyrin-ix-and-mesoporphyrin-ix
#12
Christine Cruz-Oliveira, Andreza F Almeida, João M Freire, Marjolly B Caruso, Maria A Morando, Vivian N S Ferreira, Iranaia Assunção-Miranda, Andre M O Gomes, Miguel A R B Castanho, Andrea T Da Poian
Virus resistance to antiviral therapies is an increasing concern that makes urgent the development of broad spectrum antiviral drugs. Targeting viral envelope, a component shared by a large number of viruses, emerges as a promising strategy to overcome this problem. Natural and synthetic porphyrins, due to their relative hydrophobicity and pro-oxidant character, are good candidates for antivirals' development. In the present work, we characterized the antiviral activity of protoprophyrin IX (PPIX), Zn-protoporphyrin IX (ZnPPIX) and mesoporphyrin IX (MPIX) against vesicular stomatitis virus (VSV), and evaluated the mechanisms involved in this activity...
March 27, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28317745/the-impact-of-rhizopus-oryzae-cultivation-on-rice-bran-gamma-oryzanol-recovery-and-its-antioxidant-properties
#13
Kelly Cristina Massarolo, Taiana Denardi de Souza, Carolina Carvalho Collazzo, Eliana Badiale Furlong, Leonor Almeida de Souza Soares
This study evaluated the effect of the solid state cultivation (SSC) time of rice bran by Rhizopus oryzae on γ-oryzanol recovery and its antioxidant properties. Gamma-oryzanol was extracted with organic solvents and its extracts were characterized by GC-FID and HPLC-UV. The antioxidant capacity was assessed by DPPH and ABTS(+) assays, β-carotene/linoleic acid system, and reduction of oxidation in lipid system. The biomass showed the γ-oryzanol recovery increased by 51.5% (20.52mg/g), and 5.7% in polyunsaturated fatty acids...
August 1, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28306733/hypervirulent-mycobacterium-tuberculosis-strain-triggers-necrotic-lung-pathology-associated-with-enhanced-recruitment-of-neutrophils-in-resistant-c57bl-6-mice
#14
Fabrício M Almeida, Thatiana L B Ventura, Eduardo P Amaral, Simone C M Ribeiro, Sanderson D Calixto, Marcelle R Manhães, Andreza L Rezende, Giliane S Souzal, Igor S de Carvalho, Elisangela C Silva, Juliana Azevedo da Silva, Eulógio C Q Carvalho, Afranio L Kritski, Elena B Lasunskaia
Tuberculosis (TB) is a chronic infectious disease caused by Mycobacterium tuberculosis (Mtb) that in most cases induces irreversible necrosis of lung tissue as a result of excessive inflammatory reactions. The murine model of TB in resistant C57BL/6 mice infected with reference Mtb strains is widely used in TB studies; however, these mice do not show a necrotic pathology, which restricts their use in studies of irreversible tissue damage. Recently, we demonstrated that necrotic lung lesions could be induced in the C57BL/6 mice by highly virulent Mtb strains belonging to the modern Beijing sublineage...
2017: PloS One
https://www.readbyqxmd.com/read/28302419/intravenous-15-isoflurane-lipid-nanoemulsion-for-general-anesthesia-in-dogs
#15
Claudio C Natalini, Carolina L Krahn, Priscila B S Serpa, Joanna E Griffith, Ricardo Miyasaka de Almeida
OBJECTIVE: To investigate the efficacy of a new intravenous (IV) nanoemulsified isoflurane formulation for maintenance of general anesthesia in dogs. STUDY DESIGN: Prospective, crossover, experimental study. ANIMALS: Seven healthy, mature, mixed-breed dogs, three male and four female, weighing 11.5 ± 1.5 kg. METHODS: Anesthesia was induced with propofol for instrumentation. Measurements were obtained before administration of either inhaled isoflurane (Iso-I) or IV 15% isoflurane-loaded lipid nanoemulsion (Iso-nano)...
January 7, 2017: Veterinary Anaesthesia and Analgesia
https://www.readbyqxmd.com/read/28288928/in%C3%A2-vitro-cytotoxicity-evaluation-of-resveratrol-loaded-nanoparticles-focus-on-the-challenges-of-in%C3%A2-vitro-methodologies
#16
V Rocha, C Marques, J L Figueiredo, A R Gaio, P C Costa, J M Sousa Lobo, I F Almeida
Assessment of toxic effects is mandatory before market placement of pharmaceutical and cosmetic products. Nanotoxicology is an emerging regulatory concern and still a challenging field. Topical application of resveratrol (RSV) has been extensively studied owing to its multi-mechanistic skin anti-aging effects. Nanoencapsulation has been suggested as a promising solution to overcome RSV stability issues. In this work RSV-loaded solid lipid nanoparticles (SLN) and nanostructured lipid carriers (NLC) were prepared using a homogenization/sonication technique...
March 10, 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/28286284/pre-clinical-investigation-of-diabetes-mellitus-as-a-risk-factor-for-schizophrenia
#17
Alexandra S Almeida Heylmann, Lara Canever, Katia Gress, Sarah T Gomes, Isadora Fachim, Carolina Michels, Geórgia C Stopassoli, Gustavo A Mastella, Amanda V Steckert, Adriani P Damiani, Vanessa M de Andrade, João Quevedo, Alexandra I Zugno
This study investigated the behavioral and biochemical parameters of DM1 as a risk factor in an animal model of schizophrenia (SZ). All groups: 1 Control (saline+saline); 2 Alloxan (alloxan+saline); 3 Ketamine (saline+ketamine); 4 (Alloxan+Ketamine) were fasted for a period of 18h before the subsequent induction of DM via a single intraperitoneal (i.p) injection of alloxan (150mg/kg). From the 4th to the 10th days, the animals were injected i.p with ketamine (25mg/kg) or saline, once a day, to induce a model of SZ and 30min after the last administration were subjected to behavioral testing...
March 8, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28273617/toxic-effects-of-the-antihistamine-cetirizine-in-mussel-mytilus-galloprovincialis
#18
Miguel Teixeira, Ângela Almeida, Vânia Calisto, Valdemar I Esteves, Rudolf J Schneider, Frederick J Wrona, Amadeu M V M Soares, Etelvina Figueira, Rosa Freitas
Recent studies have become increasingly focused on the assessment of pharmaceuticals occurrence in aquatic ecosystems, however the potential toxicity to non-target organisms is still largely unknown. The antihistamine cetirizine is a commonly used pharmaceutical, already detected in surface waters of marine aquatic systems worldwide. In the present study Mytilus galloprovincialis mussels were exposed to a range of cetirizine concentrations (0.3, 3.0, 6.0 and 12.0 μg/L), resembling moderate to highly contaminated areas, over 28 days...
May 1, 2017: Water Research
https://www.readbyqxmd.com/read/28261812/the-fatty-acid-profile-of-fat-depots-from-santa-in%C3%A3%C2%AAs-sheep-fed-spineless-cactus-opuntia-ficus-indica-mill
#19
Roberto G Costa, Michelly D A Almeida, George Rodrigo B Cruz, Edvaldo M Beltrão Filho, Neila L Ribeiro, Marta S Madruga, Rita de Cássia R E Queiroga
BACKGROUND: Fat is the tissue that varies most in animals from both a quantitative and distribution perspective. It plays a fundamental biological role as energy storage during food scarcity. Renal, pelvic and internal fat are deposited first. These fats are used identify fatty acid profiles that may be considered beneficial or unhealthy. The aim of this study is to evaluate the fatty acid profile of fat depots in Santa Inês sheep finished in confinement with spineless cactus in their diets...
March 6, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/28241426/zinc-status-biomarkers-and-cardiometabolic-risk-factors-in-metabolic-syndrome-a-case-control-study
#20
Erika P S Freitas, Aline T O Cunha, Sephora L S Aquino, Lucia F C Pedrosa, Severina C V C Lima, Josivan G Lima, Maria G Almeida, Karine C M Sena-Evangelista
Metabolic syndrome (MS) involves pathophysiological alterations that might compromise zinc status. The aim of this study was to evaluate zinc status biomarkers and their associations with cardiometabolic factors in patients with MS. Our case control study included 88 patients with MS and 37 controls. We performed clinical and anthropometric assessments and obtained lipid, glycemic, and inflammatory profiles. We also evaluated zinc intake, plasma zinc, erythrocyte zinc, and 24-h urinary zinc excretion. The average zinc intake was significantly lower in the MS group (p < 0...
February 22, 2017: Nutrients
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