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Search Results: 1 - 10 of 5822 matches for " Tucci Junior "
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Preserva o da fun o mitocondrial em rins submetidos à isquemia fria para transplante
B. Netto José Murillo,Tucci Junior Sílvio,Roselino José Eduardo Salles,Cologna Adauto José
Acta Cirurgica Brasileira , 2000,
Abstract:
Modulation of urethral alpha-sympathetic by parasympathetic before and following bethanechol chloride injection
Suaid, Haylton J.;Rocha, Jeová N.;Martins, Antonio C.P.;Cologna, Adauto J.;Tucci Junior, Silvio;
International braz j urol , 2003, DOI: 10.1590/S1677-55382003000200013
Abstract: introduction and objectives: chagas' disease causes specific parasympathetic denervation and in its digestive clinic form promotes also functional alterations in bladder. thus, the aim was to investigate the existence of balance between sympathetic and parasympathetic systems in lower urinary tract, as occurs in other organs. we verified the urethral closing pressure before and following parasympathetic stimulus. patients and methods: for that, the urethral closure pressure was studied before and after the injection of 5 mg of bethanechol chloride subcutaneously in 28 voluntary female patients, divided into 4 groups. the constitution of theses groups was: a) normal control = 6 patients; b) chagas' disease with positive serology only = 5 patients; c) chagas' disease with cardiac disease = 6 patients, and d) chagas' disease with digestive disease and vesical hyporeflexia = 11 patients. urethral profilometry was performed through perfusion urethral catheter with a 6.5 ml/minute flow and a traction rate of 5 mm/minute. results: means and standard deviations for urethral closure pressure before bethanechol chloride were respectively: group a = 67.3 ± 7.1; group b = 69.2 ± 7.4; group c = 95.8 ± 5.1; group d = 82.1 ± 8.4. after bethanechol chloride they were: group a = 66.0 ± 6.6; group b = 77.0 ± 7.6; group c = 98.3 ± 8.8; group d = 45.9 ± 6.2. the kruskal wallis statistical test did not show statistically significance difference between groups a, b, c. however, it was statistically significant between groups c and d with p = 0.003. wilcoxon test showed p = 0.001, only for values in group d before and following bethanechol chloride. conclusions: chagas' disease in its intestinal form seems to alter urethral function as well. parasympathetic stimulation decreased urethral pressure, indicating potential modulation by the parasympathetic system over the sympathetic system.
Giant adrenal myelolipoma associated with 21-hydroxylase deficiency: unusual association mimicking an androgen-secreting adrenocortical carcinoma
Mermejo, Lívia Mara;Elias Junior, Jorge;Saggioro, Fabiano Pinto;Tucci Junior, Silvio;Castro, Margaret de;Moreira, Ayrton Custódio;Elias, Paula C. Lamparelli;
Arquivos Brasileiros de Endocrinologia & Metabologia , 2010, DOI: 10.1590/S0004-27302010000400012
Abstract: the objective of this study was to describe a case of giant myelolipoma associated with undiagnosed congenital adrenal hyperplasia (cah) due to 21-hydroxylase (21oh) deficiency. five seven year-old male patient referred with abdominal ultrasound revealing a left adrenal mass. biochemical investigation revealed hyperandrogenism and imaging exams characterized a large heterogeneous left adrenal mass with interweaving free fat tissue, compatible with the diagnosis of myelolipoma, and a 1.5 cm nodule in the right adrenal gland. biochemical correlation has brought concerns about differential diagnosis with adrenocortical carcinoma, and surgical excision of the left adrenal mass was indicated. anatomopathologic findings revealed a myelolipoma and multinodular hyperplasic adrenocortex. further investigation resulted in the diagnosis of cah due to 21oh deficiency. concluded that cah has been shown to be associated with adrenocortical tumors. although rare, myelolipoma associated with cah should be included in the differential diagnosis of adrenal gland masses. moreover, cah should always be ruled out in incidentally detected adrenal masses to avoid unnecessary surgical procedures.
Efecto de los comerciales de televisión en la escogencia y consumo de alimentos en los ni?os
Tucci,Sonia;
Revista Venezolana de Endocrinología y Metabolismo , 2010,
Abstract: this review examines the effect of food advertising on children?s food preferences, food choice and, ultimately, children?s obesity. the majority of food items promoted by tv adverts are calorically dense/ low nutritional value products. this contrasts with the healthy diet promoted by governments, health organisations schools and parents. food tv adverts exert a direct effect on food preferences, they influence purchase behaviour and increase their consumption. children eat more after viewing food tv adverts. although this increase can be seen in all weight groups, obese children tend to eat more, followed by overweight children and normal weight children. the effect of food adverts is present even at the age of 3. the review ends by mentioning the strategies that have been proposed in order to decrease food promotion to children and favourable conse-quences of this.
Grelina en regulación del apetito y papel en obesidad y trastornos alimentarios: Abordajes terapéuticos
Tucci,Sonia;
Revista Venezolana de Endocrinología y Metabolismo , 2008,
Abstract: ghrelin is a peptide hormone secreted by the stomach. it was initially described as a stimulant of growth hormone secretion. soon, however, it was discovered to play an important role in feeding behaviour in animals and in appetite regulation in man: ghrelin stimulates appetite, and as such is an orexigenic peptide implicated in energy balance mechanisms and weight gain. abnormal ghrelin activity leads to over- or underweight. additionally, the efficacy of different treatment strategies against obesity seems to be related to modifications in plasma ghrelin levels. whereas the effects of ghrelin in the regulation of appetite, food intake and energy homeostasis have been fairly well documented, the pathways responsible for the effects of ghrelin are now increasingly being understood. as a consequence, clinical applications of ghrelin are now being developed. the purpose of this review is to provide updated information on the role of ghrelin in food intake and energy homeostasis, and on its mechanism of action. moreover, the potential of ghrelin as a target for drugs to treat cachexia and obesity will be discussed.
The Krull radical, k-primitive rings, and critical rings
Ralph Tucci
International Journal of Mathematics and Mathematical Sciences , 1982, DOI: 10.1155/s0161171282000702
Abstract: We generalize results on the Krull radical, k-primitive rings, and critical rings from rings with identity to rings which do not necessarily contain identity.
Efecto de los comerciales de televisión en la escogencia y consumo de alimentos en los ni os
Sonia Tucci
Revista Venezolana de Endocrinología y Metabolismo , 2010,
Abstract: Esta revisión examina los efectos de los comerciales televisados de alimentos en la preferencia y consumo de los mismos en ni os, lo cual sin duda conlleva a alteraciones en su peso corporal. Es importante se alar que la gran mayoría de los alimentos promovidos en los comerciales de televisión son alimentos de bajo valor nutricional y calóricamente densos. Esto contrasta notablemente con los alimentos saludables promocionados por los gobiernos, organizaciones de salud, escuelas y padres. Los comerciales de televisión ejercen un efecto directo en la preferencia por alimentos, y estimulan la compra y el consumo de los mismos. Ni os expuestos a comerciales de alimentos comen más después de verlos. Aunque dicha exposición aumenta el consumo independientemente del peso corporal del ni o, los mayores aumentos en la ingesta se ven en ni os obesos, seguidos de ni os con sobrepeso y finalmente ni os de peso normal. El efecto de los comerciales de televisión es evidente en ni os desde edades muy tempranas (3 a os). Se finaliza mencionado las estrategias actuales que se han propuesto para reducir la comercialización de alimentos a ni os y las consecuencias favorables que esto traería. This review examines the effect of food advertising on children’s food preferences, food choice and, ultimately, children’s obesity. The majority of food items promoted by TV adverts are calorically dense/ low nutritional value products. This contrasts with the healthy diet promoted by governments, health organisations schools and parents. Food TV adverts exert a direct effect on food preferences, they influence purchase behaviour and increase their consumption. Children eat more after viewing food TV adverts. Although this increase can be seen in all weight groups, obese children tend to eat more, followed by overweight children and normal weight children. The effect of food adverts is present even at the age of 3. The review ends by mentioning the strategies that have been proposed in order to decrease food promotion to children and favourable conse-quences of this.
Grelina en regulación del apetito y papel en obesidad y trastornos alimentarios: Abordajes terapéuticos
Sonia Tucci
Revista Venezolana de Endocrinología y Metabolismo , 2008,
Abstract: La grelina es una hormona peptídica secretada principalmente por el estómago. Fue descrita inicialmente como un factor estimulador de la secreción de hormona de crecimiento. Sin embargo pronto se descubrió que también juega un papel importante en la regulación del comportamiento alimentario tanto en animales como en humanos; la grelina estimula el apetito y por lo tanto está implicada en el control del balance energético y peso corporal. La regulación anormal de los niveles de grelina conduce tanto a sobre peso como a bajo peso. Adicionalmente, parece ser que la eficacia de las diferentes estrategias utilizadas en el control del peso corporal depende en parte en su capacidad de modificar los niveles plasmáticos de grelina. Mientras que los efectos de la grelina han sido relativamente bien documentados, los mecanismos responsables de sus efectos están siendo continuamente investigados y actualizados. Como consecuencia de esto, actualmente se están comenzando a desarrollar una serie de aplicaciones clínicas para los agonistas y antagonistas grelinérgicos El propósito de esta revisión es proveer información actualizada sobre el mecanismo de acción y papel de la grelina en regulación de la ingesta alimentaria y el balance energético. También se discutirá brevemente el papel de dicha hormona como blanco potencial de drogas para el tratamiento de la obesidad y caquexia. Ghrelin is a peptide hormone secreted by the stomach. It was initially described as a stimulant of growth hormone secretion. Soon, however, it was discovered to play an important role in feeding behaviour in animals and in appetite regulation in man: ghrelin stimulates appetite, and as such is an orexigenic peptide implicated in energy balance mechanisms and weight gain. Abnormal ghrelin activity leads to over- or underweight. Additionally, the efficacy of different treatment strategies against obesity seems to be related to modifications in plasma ghrelin levels. Whereas the effects of ghrelin in the regulation of appetite, food intake and energy homeostasis have been fairly well documented, the pathways responsible for the effects of ghrelin are now increasingly being understood. As a consequence, clinical applications of ghrelin are now being developed. The purpose of this review is to provide updated information on the role of ghrelin in food intake and energy homeostasis, and on its mechanism of action. Moreover, the potential of ghrelin as a target for drugs to treat cachexia and obesity will be discussed.
Viewpoints: Are A & I Services in a Death Spiral?
Valerie Tucci
Issues in Science and Technology Librarianship : a quarterly publication of the Science and Technology Section, Association of College and Research Libraries , 2010,
Abstract:
L'evoluzione storica del museo scientifico, dalle gallerie alla rete
Pasquale Tucci
Bollettino del CILEA , 2006, DOI: 10.1472/bc.v102i0.1259
Abstract: L'articolo descrive il percorso storico che hanno seguito i musei, in particolare scientifici, da semplici depositi di reliquie a centri di educazione e divulgazione, fino ad approdare in Internet sotto forma interamente virtuale. This article describes the historical path museums, especially scientific ones, have followed. They were simple depository of items, then they became centers of science dissemination and education and eventually reached Internet, becoming wholly virtual.
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