Caracterización de la enfermedad mineral ósea en pacientes españoles con enfermedad inflamatoria intestinal
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2018
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26/06/2017
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Universidad Complutense de Madrid
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Abstract
La colitis ulcerosa (CU) y la enfermedad de Crohn (EC) son los dos tipos principales de enfermedad inflamatoria intestinal (EII), término que engloba a un grupo de trastornos intestinales crónicos inmunomediados, de etiología desconocida, con vías patógenas y características clínicas comunes. La EII parece ser el resultado de la interacción de factores ambientales en individuos genéticamente susceptibles, lo que conduce a una respuesta inmune incontrolada hacia bacterias comensales intestinales (es decir, pérdida de tolerancia). Tanto la activación inapropiada inmune innata como la adaptativa provocan una excesiva secreción de citoquinas pro-inflamatorias -interleuquina (IL) -1, IL-6, factor de necrosis tumoral (TNF) -alfa- que promueven la producción de otros mediadores inflamatorios como el óxido nítrico, eicosanoides,especies reactivas al oxígeno y metaloproteasas, que son directamente responsables del daño tisular...
Ulcerative colitis (UC) and Crohn´s disease (CD) are the two major types of inflammatory bowel disease (IBD), a term referring to a group of immune-mediated, chronic intestinal disorders of unknown etiology with common pathogenic pathways and clinical features. IBD seems to be the result of the interaction of environmental factors in genetically susceptible individuals, leading to an uncontrolled immune response towards gut commensal bacteria (i.e. loss of tolerance). Both innate andadaptive immune inappropriate activation cause an excessive secretion of proinflammatory cytokines – interleukin (IL)-1, IL-6, tumor necrosis factor (TNF)-alpha –that promote the production of other inflammatory mediators such as nitric oxide eicosanoids, oxygen reactive species and matrix metaloproteases, which are directly responsible of tissue damage...
Ulcerative colitis (UC) and Crohn´s disease (CD) are the two major types of inflammatory bowel disease (IBD), a term referring to a group of immune-mediated, chronic intestinal disorders of unknown etiology with common pathogenic pathways and clinical features. IBD seems to be the result of the interaction of environmental factors in genetically susceptible individuals, leading to an uncontrolled immune response towards gut commensal bacteria (i.e. loss of tolerance). Both innate andadaptive immune inappropriate activation cause an excessive secretion of proinflammatory cytokines – interleukin (IL)-1, IL-6, tumor necrosis factor (TNF)-alpha –that promote the production of other inflammatory mediators such as nitric oxide eicosanoids, oxygen reactive species and matrix metaloproteases, which are directly responsible of tissue damage...
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Tesis de la Universidad Complutense de Madrid, Facultad de Medicina, Departamento de Medicina, leída el 26/06/2017