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Additive effect of pulp pequi oil (Caryocar brasiliense Camb.) on the biocompatibility of collagen and gelatin membranes in subcutaneous implants Arq. Bras. Med. Vet. Zootec.
Rabbers,A.S.; Rabelo,R.E.; Oliveira,L.P.; Ribeiro,M.; Martins,V.C.A.; Plepis,A.M.G.; Vulcani,V.A.S..
ABSTRACT Trauma or disease inflicted by tissue injuries may cause tissue degeneration. The use of biomaterials for direct or indirect repair has emerged as a promising alternative, and has become an important research topic. The pequi fruit (Caryocar brasiliense Camb.) has shown antifungal, antibacterial, anti-inflammatory, healing, antitumor, and antioxidant properties. The objective of this study was to develop a new biomaterial using a combination of collagen, gelatin, and pulp pequi oil, and to evaluate its biocompatibility in comparison with that of biomaterials produced without pulp pequi oil. Membranes were prepared from a mixture of bovine tendon collagen, commercial gelatin, and pulp pequi oil. The inflammatory and cicatricial processes were...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Pequi oil; Membranes collagen; Tissue injuries.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352019000300811
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Interrelationship between serum and sputum inflammatory mediators in chronic obstructive pulmonary disease BJMBR
Bizeto,L.; Mazzolini,A.B.; Ribeiro,M.; Stelmach,R.; Cukier,A.; Nunes,M.P.T..
Little is known about airway inflammatory markers in chronic obstructive pulmonary disease (COPD). The objective of the present study was to identify and try to correlate pulmonary and peripheral blood inflammatory markers in COPD. In a cross-sectional study on patients with stable COPD, induced sputum and blood samples were collected for the determination of C-reactive protein, eosinophilic cationic protein, serum amyloid A protein, a-1 antitrypsin (a-1AT), and neutrophil elastase. Twenty-two patients were divided into two groups according to post-bronchodilator forced expiratory volume in the first second (%FEV1): group 1 (N = 12, FEV1 <40%) and group 2 (N = 10, FEV1 ³40%). An increase in serum elastase, eosinophilic cationic protein and a-1AT was...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Chronic obstructive pulmonary disease; C-reactive protein; Eosinophilic cationic protein; Serum amyloid A protein; A-1 antitrypsin; Neutrophil elastase.
Ano: 2008 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2008000300003
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High prevalence of methicillin resistance and PVL genes among Staphylococcus aureus isolates from the nares and skin lesions of pediatric patients with atopic dermatitis BJMBR
Cavalcante,F.S.; Abad,E.D.; Lyra,Y.C.; Saintive,S.B.; Ribeiro,M.; Ferreira,D.C.; Santos,K.R.N. dos.
Staphylococcus aureus is highly prevalent among patients with atopic dermatitis (AD), and this pathogen may trigger and aggravate AD lesions. The aim of this study was to determine the prevalence of S. aureus in the nares of pediatric subjects and verify the phenotypic and molecular characteristics of the isolates in pediatric patients with AD. Isolates were tested for antimicrobial susceptibility, SCCmec typing, and Panton-Valentine Leukocidin (PVL) genes. Lineages were determined by pulsed-field gel electrophoresis and multilocus sequence typing (MLST). AD severity was assessed with the Scoring Atopic Dermatitis (SCORAD) index. Among 106 patients, 90 (85%) presented S. aureus isolates in their nares, and 8 also presented the pathogen in their skin...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Atopic dermatitis; Staphylococcus aureus; Nasal colonization; Skin lesions; SCORAD.
Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2015000700588
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Microencapsulation and tissue engineering as an alternative treatment of diabetes BJMBR
Maria-Engler,S.S.; Mares-Guia,M.; Correa,M.L.C.; Oliveira,E.M.C.; Aita,C.A.M.; Krogh,K.; Genzini,T.; Miranda,M.P.; Ribeiro,M.; Vilela,L.; Noronha,I.L.; Eliaschewitz,F.G.; Sogayar,M.C..
In the 70's, pancreatic islet transplantation arose as an attractive alternative to restore normoglycemia; however, the scarcity of donors and difficulties with allotransplants, even under immunosuppressive treatment, greatly hampered the use of this alternative. Several materials and devices have been developed to circumvent the problem of islet rejection by the recipient, but, so far, none has proved to be totally effective. A major barrier to transpose is the highly organized islet architecture and its physical and chemical setting in the pancreatic parenchyma. In order to tackle this problem, we assembled a multidisciplinary team that has been working towards setting up the Human Pancreatic Islets Unit at the Chemistry Institute of the University of...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Human pancreatic islets; Pancreas; Extracellular matrix; Stem cells; Islet microencapsulation; Transplantation; Ductal cells.
Ano: 2001 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2001000600001
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