320 resultados para glândulas cutâneas
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FUNDAMENTOS: A leishmaniose tegumentar americana permanece doença endêmica em diversas regiões brasileiras. A sobrevivência do parasita no interior dos macrófagos se deve, em parte, pela atividade de uma K+/H+-ATPase de membrana que pode ser inibida pelo omeprazol. OBJETIVOS: Avaliar a eficácia do omeprazol na prevenção do desenvolvimento de lesões de leishmaniose em hamsters. MÉTODOS: Empregaram-se 18 hamsters, divididos em três grupos: o grupo L recebeu apenas a inoculação de L. brasiliensis na pata anterior direita, o grupo O recebeu apenas doses diárias de 0,4mg de omeprazol subcutâneo, e o grupo L+O recebeu o inóculo de leishmanias e o tratamento com omeprazol desde o dia da inoculação. O estudo foi conduzido por 42 dias, realizaram-se medidas dos diâmetros das patas semanalmente, e, ao final do estudo, foram realizados esfregaços das lesões para verificação dos parasitas. RESULTADOS: Os hamsters dos grupos L e L+O desenvolveram lesões de leishmaniose tegumentar havendo ulceração em duas patas do grupo L e uma do grupo L+O. Ao final do estudo, a mobilidade e vitalidade no grupo L foram menores que em L+O, e estas menores que no grupo O. Os diâmetros das patas inoculadas nos grupos L e L+O foram significativamente maiores que no início do estudo (p<0.05). Não houve diferença significativa entre os diâmetros das patas dos grupos L e L+O ao final do estudo (p0,05), sendo detectados parasitas no esfregaço das lesões dos dois grupos. CONCLUSÕES: Omeprazol, no protocolo utilizado, não evitou o desenvolvimento de lesões de leishmaniose tegumentar em hamsters.
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The use of anthropometric measurements of triceps (TSF) and subscapular skinfolds (SSF) and mid-upper arm muscle circumference (MAMC) was examined as far as the diagnosis of energy-protein malnutrition (EPM) is concerned. The study was undertaken in five groups of patients (n = 231): arterial hypertension (AH, n = 63), chronic obstructive pulmonary disease (COPD, n = 17), hemodialyzed chronic renal failure (CRF, n = 19), critically ill patients with an acute event (CA, n = 42) and critically ill patients with chronic diseases (CCD, n = 90). The results were compared to those obtained in a group of healthy individuals (control group, n = 102). The control group and the group of patients were allocated in subgroups according to sex and age (less than 50 and more than 50 years). It was expected that significant differences would be found for the anthropometric values between the control subgroups and the COPD, the CRF and the CCD subgroups of patients. For the skinfold thicknesses (TSF and SSF), significant differences were found between CRF, CCD subgroups and the control subgroups under fifty years of age; however, the differences were not significant when the subgroups over fifty were analyzed. Concerning the MAMC, significant differences were found: 1 degree) between the CRF subgroups (males and females) and the control subgroups under fifty years of age; 2 degrees) between the CCD male subgroups (younger and older subgroups) and the respective control subgroups and 3 degrees) between the COPD and the control subgroups.(ABSTRACT TRUNCATED AT 250 WORDS)
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The purpose of this study was to examine in rats the histologic alterations of the submandibular glands and testicles induced by soy diets and zinc deficient diet. The zinc deficiency produced testicles alterations including seminiferous tubulus atrophy, germinative epithelium degeneration, spermatogenesis alterations and a significant atrophy of the submandibular glands which presented no much delimitated acines. The soy diet without complementations also compromised the spermatogenesis by showing seminiferous tubulus atrophied and a reduction of the germinative epithelium. The soy diet complemented by saline and vitaminic mixtures didn't produced testicles alterations but its induced in the submandibular glands a hypertrophy of the ductal component mainly in relation to the granular component.
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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
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The purpose of this study was to investigate phenylbutazone effects on second intention wound healing, and to compare the healing process between the thoracic and lumbar areas. Ten horses were submitted to circular full-thickness wound produced on both sides of the thoracic and lumbar areas. Animals were gathered into two experimental groups, one receiving daily IV injections of phenylbutazone (4,4mg/kg) and the other (control group) distillated water for five days. All wounds were daily treated with local Dakin's solution. The wound contraction rates were determined by serial measurements each 72 hours. At the 6th and 15th post surgical days, biopsies were performed for histological analysis. Thoracic and lumbar wound contraction was decreased in the phenylbutazone group. The time to complete healing was significantly greater in phenylbutazone group (49 days) than in control group (37 days). There was no significant difference between thoracic and lumbar area in the same group. Gross and histopathology analysis showed the inhibitory effect of phenylbutazone on the second-intention wound healing when compared to the control group.
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Pós-graduação em Ciências Biológicas (Biologia Celular e Molecular) - IBRC
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Pós-graduação em Ciências Biológicas (Biologia Celular e Molecular) - IBRC
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Pós-graduação em Ciências Biológicas (Biologia Celular e Molecular) - IBRC
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)