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2-DIGE of Red Blood Cells from Sickle-Cell Disease Patients with Severe Vaso-Oc...

Proteomics in Detection and Monitoring Chronic Lung Diseases: The Human Nasal E...

Asthma and chronic obstructive pulmonary disease (COPD) are major causes of mortality and morbidity worldwide. The current state-of-art diagnosis and management schemes are suboptimal for both diseases as the incidence of asthma has risen by 250% over the last two decades and COPD is estimated to become the third leading cause of death worldwide within the next decade. Additionally, these diseases represent a v...

Plasma and red blood cell proteome in sickle-cell disease

Sickle-cell disease (SCD) is a clinically heterogeneous autosomal recessive monogenic chronic anaemia characterized by recurrent episodes of severe vaso-occlusion, haemolysis and infection. Painful crises are the major SCD clinical manifestation probably due to significant increase in dense red blood cells (RBC) and reduction of their ability to pass through capillaries. Using proteomic strategies, we aim to di...

Optimizing the discovery of predictors of vaso-occlusion in sickle-cell disease...

Painful crises are the major sickle-cell disease (SCD) clinical manifestation probably due to significant increase in dense red blood cells (RBC) and reduction of their ability to pass through capillaries. Using proteomic strategies (see figure below), we aimed to discover novel SCD prognosis biomarkers as early predictors of the transition from steady-state to vaso-occlusive crises thus, allowing a prompt and...

Serum proteomics signature of Cystic Fibrosis patients: A complementary 2-DE an...

Complementary 2D-PAGE and ‘shotgun’ LC–MS/MS approaches were combined to identify medium and low-abundant proteins in sera of Cystic Fibrosis (CF) patients (mild or severe pulmonary disease) in comparison with healthy CF-carrier and non-CF carrier individuals aiming to gain deeper insights into the pathogenesis of this multifactorial genetic disease. 78 differentially expressed spots were identified from 2D-PA...

Tobacco smoke occupational exposure: biomarkers of biological damage

High concentration of toxic substances emanated from tobacco smoke in entertainment places such as restaurants, bars and nightclubs may compromise indoor air quality (IAQ) generating environments of likelihood health risk. Their employees, particularly those exposed to second-hand smoke, are at increased risk for developing chronic respiratory diseases such as chronic obstructive pulmonary disease (COPD), asthm...

Towards the identification of biomarkers for cystic fibrosis by proteomics

The scope of the work presented in this thesis is to provide identification and characterization of proteins that might contribute to the development and/or progression of the pulmonary disease Cystic Fibrosis (CF), aiming to a better understanding on the proteinaceous environment in several biological samples with influence in the disease. The objectives of this work were in accordance with the actual and to-d...