Search results for "croci"
showing 10 items of 419 documents
Il Noviziato dei Crociferi a Palermo
2005
Le ricorrenti epidemie che flagellarono Palermo a causa della peste costrinsero i Chierici Ministri Regolari degli Infermi a realizzare un Noviziato capace di contenere il loro numero, sempre più in crescita, al fine di fronteggiare gli eventi drammatici che caratterizzarono in quel periodo la vita della città.
Current Status of Knowledge and Critical Issues in Tumor Oxygenation
1998
In 1972 we started the systematic investigation of oxygenation status in (a) experimental tumor systems in rats and mice [e.g., 1–6], (b) in human tumors xenotransplanted into immune-deficient rnu/rnu-rats [e.g., 7–9], (c) in tumors derived from spontaneously tumorigenic or ras-transformed cell lines [10], and (d) in human tumors in situ [e.g., 11–15] under various pathophysiological conditions using polarographic O2 needle electrodes. In the earlier studies a cryospectrophotometric ex vivomicrotechnique was also used that allowed the measurement of HbO2 saturation in individual red blood cells in tumor microvessels [e.g., 16, 17]. Besides polarographic and cryospectrophotometric microtechn…
Crociere e crocieristi: per un’antropologia delle intermediazioni
2015
Il saggio propone il caso studio del turismo da crociera.
Il turismo da crociera. Un'antropologia delle rappresentazioni e interazioni.
2012
Un’antropologia degli spazi in crociera
2015
Questo saggio, attraverso varie esperienze di campo, propone un'analisi delle spazialità e del loro utilizzo a bordo delle navi da crociera. Inoltre, analizza il modo in cui i passeggeri percepiscono lo spazio durante gli sbarchi sulla terraferma effettuati per consentire ai crocieristi la visita delle localià toccate.
Estudio de las características anatómicas de las venas superficiales de las extremidades para su utilización como injertos de interposición y asas va…
2022
La selección adecuada de los vasos receptores, y la realización de anastomosis libres de tensión son fundamentales para el éxito en la transferencia microvascular de colgajos libres. En caso de que los vasos receptores sean inadecuados o estén dañados, es posible que se requiera el empleo de un injerto vascular. Además de tener en cuenta la longitud requerida, la disponibilidad o no de una vena cercana para la realización de una transposición, y la preferencia del cirujano, es necesario obtener el injerto (o realizar el asa vascular) teniendo en cuenta la importancia de la concordancia en el calibre y grosor de los vasos. El objetivo principal de este trabajo es el de analizar microscópicam…
Determinación de la actuación de los bloqueadores beta adrenérgicos sobre la vasodilatación producida por las catecolaminas en la microcirculación de…
2021
La rosácea es una entidad cuya fisiopatología no es bien conocida, por lo que su tratamiento es inespecífico. Sin embargo, recientes estudios han demostrado que existe una disregulación neurovascular en esta entidad, por ello, existe una necesidad de comprender mucho mejor las vías moleculares que controlan la vasodilatación permanente de los pequeños vasos cutáneos (alrededor de 200 μm) y la inflamación. A modo de resumen, el sistema simpático es el modulador primario de la vasculatura cutánea, con multitud de adrenorreceptores identificados que incluyen los α1, α2, β1y β2. La disregulación del sistema nervioso simpático en la rosácea ha tenido una considerable atención, como la modulación…
Behaviour of the plasma concentration of gelatinases and their tissue inhibitors in subjects with venous leg ulcers.
2015
Venous leg ulcers are common in subjects with chronic venous insufficiency. The increased intraluminal pressure causes alteration of the skin microcirculation, leukocyte activation and release of proteolytic enzymes leading to ulceration. An impaired expression and activity of matrix metalloproteases (MMPs) and their tissue inhibitors (TIMPs) might influence extracellular matrix degradation and deposition in chronic venous ulcers with the failure of the healing process. Our aim was to evaluate plasma concentration of gelatinases (MMP-2 and MMP-9) and their inhibitors (TIMP-1 and TIMP-2) in subjects with venous leg ulcers before and after the compression therapy. We enrolled 36 subjects (12 …
The impact of intercellular communication for the generation of complex multicellular prevascularized tissue equivalents
2019
In reconstructive surgery the use of prevascularized soft tissue equivalents is a promising approach for wound coverage of defects after tumor resection or trauma. However, in previous studies to generate soft tissue equivalents on collagen membranes, microcapillaries were restricted to superficial areas. In this study, to understand which factors were involved in the formation of these microcapillaries, the levels of the angiogenic factors vascular endothelial growth factor (VEGF), Interleukin-8 (IL-8), and basic fibroblast growth factor (bFGF) in the supernatants of the tissue equivalents were examined at various time points and conditions. Additionally, the influence of these factors on …
Staphylococcus aureus alpha toxin mediates polymorphonuclear leukocyte-induced vasocontraction and endothelial dysfunction.
2002
The effect of Staphylococcus aureus alpha toxin (alpha-toxin) on selectin-mediated neutrophil adhesion was investigated in polymorphonuclear leukocyte- (PMN) induced vasocontraction and endothelial dysfunction. Adherence of human PMNs to rat aortic endothelium increased significantly following stimulation of the endothelium with alpha-toxin (0.1, 0.5, and 1 microg/mL). This effect could be significantly attenuated by monoclonal antibodies directed against P-selectin or fucoidin, a carbohydrate known to block selectins. Unstimulated human PMNs (10(6)cells/mL) were added to organ chambers containing rat aortic rings stimulated with alpha-toxin (0.5 microg/mL). PMNs elicited a significant vaso…