Recursos de colección

Repositório Comum (25.504 recursos)

É um repositório para instituições de ensino e investigação produtoras de literatura científica cuja dimensão ainda não justifica a criação de um repositório próprio. Permite integrar instituições, grupos ou indivíduos na infra-estrutura do projecto, nomeadamente através das pesquisas do Portal RCAAP e da B-On.

IH - Artigos

Mostrando recursos 1 - 3 de 3

  1. The rs5743836 polymorphism in TLR9 confers a population-based increased risk of non-Hodgkin lymphoma

    Carvalho, A; Cunha, C; Almeida, AJ; Osório, NS; Saraiva, M; Teixeira-Coelho, M; Pedreiro, S; Torrado, E; Domingues, N; Gomes-Alves, AG; Marques, A; Silva MG; Lacerda, JF; Gomes, M; Pinto, AC; Torres, F; Rendeiro, P; Tavares, P; Di Ianni, M; Heutink, P; Bracci, PM; Conde, L; Ludovico, P; Pedrosa, J; Maciel, P; Pitzurra, L; Aversa, F; Marques, H; Paiva, A; Skibola, CF; Romani, L; Castro, AG; Rodrigues, F
    Non-Hodgkin lymphoma (NHL) has been associated with immunological defects, chronic inflammatory and autoimmune conditions. Given the link between immune dysfunction and NHL, genetic variants in toll-like receptors (TLRs) have been regarded as potential predictive factors of susceptibility to NHL. Adequate anti-tumoral responses are known to depend on TLR9 function, such that the use of its synthetic ligand is being targeted as a therapeutic strategy. We investigated the association between the functional rs5743836 polymorphism in the TLR9 promoter and risk for B-cell NHL and its major subtypes in three independent case-control association studies from Portugal (1160 controls, 797 patients), Italy (468...
    - 24-mar-2015

  2. Study of disease-relevant polymorphisms in the TLR4 and TLR9 genes: a novel method applied to the analysis of the Portuguese population

    Carvalho, A; Marques, A; Maciel, P; Rodrigues, F
    Toll-like receptors (TLRs) are cellular receptors that mediate recognition of microbial challenges and the subsequent inflammatory response. Genetic variations within these inflammation-associated genes may alter host-pathogen defence mechanisms affecting susceptibility towards infectious diseases. Taking into account the significance of these genes, we developed a simple and rapid method based in the bi-directional PCR amplification of specific alleles (Bi-PASA) for genotyping known sequence variants in TLR4 (Asp299Gly and Thr399Ile) and TLR9 (T-1237C) genes. This method allows genotype determination in a single reaction and is amenable to large-scale analysis. We used Bi-PASA to characterize the distribution of these polymorphisms in the Portuguese...
    - 14-dic-2013

  3. Acute segmental renal infarction due to factor V Leiden

    Cabral-Ribeiro, J; Sousa, L; Calaza, C; Santos, A
    OBJECTIVE: Renal infarction is rare and has variable clinical presentations causing diagnostic difficulties. Although most renal infarctions are caused by an obvious thromboembolic factor some are only explained by hereditary or acquired thrombophilia. The authors present a case of segmental renal infarction associated with factor V Leiden. METHODS/ RESULTS: A 48-year-old man presented with right flank pain that was unresponsive to analgesia for renal colic. CT scan was performed revealing a partial renal infarction. The etiologic study was only positive to factor V Leiden. In spite of the diagnosis and treatment it resulted in atrophy of the affected renal area. CONCLUSIONS: Renal infarction can be...
    - 11-feb-2012

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