Background Cross-sectional and longitudinal reports show that obese adults have more asthma than non-obese adults. A proposed mechanism is via effects of adipokines (leptin and adiponectin) on the immune system. Objective We wished to measure the associations of asthma and other atopic diseases with serum adipokine levels and to find whether the associations with asthma were strong enough to rule out the possib...
Oxidative stress has been associated with prostate cancer development and progression due to an increase of reactive oxygen species (ROS). However, the mechanisms whereby ROS and the antioxidant system participate in cancer progression remain unclear. In order to clarify the influence of oxidative stress in prostate cancer progression, we performed this study in two human prostate cancer cell lines, PC3 and HP...
A asma constitui um importante problema de saúde com prevalência crescente afectando indivíduos de todos os grupos etários. Os objectivos deste trabalho foram a caracterização e determinação da prevalência da asma numa população adulta em Portugal, a prevalência de patologia associada e a avaliação da prevalência de sensibilização alergénica nos doentes identificados. Entre 2009 e 2010, em Coimbra, 2200 indivíd...
Nos últimos anos, tem -se assistido a um aumento da prevalência de asma e obesidade. A asma é uma doença inflamatória crónica das vias aéreas. A obesidade corresponde a um desequilíbrio entre a energia ingerida e a despendida, que resulta em excesso de gordura corporal e em doença. O excesso de peso e a obesidade aumentam o risco de desenvolvimento de asma. Apesar do conhecimento desta associação entre asma e o...
BACKGROUND: Airway walls in asthma present an accumulation of activated cells that determine bronchial structural changes and disease progression and severity. During the aging process, the immunoinflammatory response changes as a consequence of chronic antigenic stress. OBJECTIVE: To evaluate T-cell subsets with regulatory functions associated with asthma in elderly patients METHODS: A group of 153 individua...
BACKGROUND: Aging is associated with thymus involution leading to a reduction in naive T cells and to an accumulation of effector-memory cells. Apoptosis is a key mechanism to clear the immune system from activated and harmful cells. In asthma the stimulation of T cells by environmental antigens can decrease naive cells and sustain activated cells. The aim of this work was to evaluate the imbalance between CD45...
The aim of this Global Allergy and Asthma European Network (GA(2)LEN) consensus report is to provide recommendations and suggestions for assessing patient-reported outcomes (PROs) including health-related quality of life in patients with urticaria. We recommend that PROs should be used both in clinical trials and routine practice for the evaluation of urticaria patients. We suggest that PROs should be considere...
BACKGROUND: Asthma is a chronic inflammatory disorder in which Th2, Th1 and suppressive T cells (Tregs) play a role. The transcription factor FoxP3 plays a role in Treg differentiation while T-bet is important for Th1 and GATA-3 for Th2 differentiation from naïve T cells. Recent data show that age-related deregulation of Treg cells is a mechanism of senescence affecting several chronic diseases. It is crucial t...
The aim of this Global Allergy and Asthma European Network (GA2LEN) consensus report is to provide recommendations and suggestions for assessing patient-reported outcomes (PROs) including health-related quality of life in patients with urticaria. We recommend that PROs should be used both in clinical trials and routine practice for the evaluation of urticaria patients. We suggest that PROs should be considered ...
The increase in life expectancy (LE) observed in Western societies, has resulted in a steep rise of older population. This stresses the importance of the research on aging, to better adequate health and social care organization and improve the quality of life (QoL). The aim of the EPEPP-1 (abbreviated from the Portuguese name: Estudo do Perfil de Envelhecimento da Populac¸a˜o Portuguesa) study was to characteri...
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