468 resultados para Junção ileocecal


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This study proposes, based on Halliday (1985) and Raible (1992, 2001), that the interpropositional patterns of assim are distributed in continuum, which is set among the representative usages of different types of interdependency, starting from the examples of domination relations of parataxis up to the examples of hypotatics, passing through the ones that are between the poles of the continuum. We will exemplify this paperwork starting from the functioning of the phrase assim que, describing its syntactic and semantic behavior in the selected corpus and in an evidence analysis of the linguistic changing process through grammaticalization, which infers its functioning as a secular connector in order to indicate its position held by this pattern in the continuum.

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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

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HLA-G is a non-classical MHC class Ib molecule predominantly expressed in cytotrophoblasts and under pathological conditions also in chronically inflamed and in malignant tissues. Recently an increased expression of HLA-G was found in ulcerative colitis (UC), but not in Crohn's disease (CD). The HLA-G gene is located in IBD3, a linkage region for inflammatory bowel disease (IBD). A 14-bp deletion polymorphism (Del+/Del-) within exon 8 of the HLA-G gene might influence transcription activity and is therefore of potential functional relevance. To investigate whether the 14-bp deletion polymorphism is associated with IBD, 371 patients with CD, 257 patients with UC and 739 controls were genotyped. The heterozygous genotype (P = 0.031) and the Del+ phenotype (P = 0.038) were significantly increased, whereas the homozygous Del- phenotype (P = 0.038) was significantly decreased in UC when compared with CD. Thus, the 14-bp deletion polymorphism within the HLA-G gene displayed significant differences between UC and CD. Moreover, a significant increase of the Del+ allele (P = 0.002) and the Del+/Del+ genotype (P = 0.013) and a consecutive decrease of the Del-/- genotype (P = 0.024) were observed in those CD cases positive for ileocecal resection. Thus, a potential effect of the HLA-G gene in IBD may affect both UC and CD. Other polymorphisms linked to the 14-bp deletion polymorphism might also contribute to immunopathogenesis. As there are several partly functional polymorphisms within the promoter region potentially influencing HLA-G expression, further studies in IBD are necessary in the context of differential expression of HLA-G between UC and CD.

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