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The antiestrogen 4-hydroxytamoxifen protects against isotretinoin-induced perme...

The combination of isotretinoin (13-cis-retinoic acid) with antiestrogens seems to be a promising strategy for cancer chemotherapy. The aim of the study was to evaluate the effects of isotretinoin alone or in combination with 4-hydroxytamoxifen (OHTAM) and with its prodrug tamoxifen (TAM), on the functions of rat liver mitochondria, i.e., mitochondrial permeability transition (MPT), bioenergetic functions and a...

Bilirubin dependent on UGT1A1 polymorphisms, hemoglobin, fasting time and body ...

In Press ; In humans, bilirubin levels are influenced by different factors. This study aims to evaluate the influence of several nongenetic factors (hematologic data, smoking status, alcohol intake, fasting time, physical activity, oral contraceptive therapy and caloric intake) and the genetic contribution of UGT1A1 polymorphisms for the bilirubin levels, in a cohort of young women. Hematologic data, bilirubin...

Effect of recombinant human erythropoietin in a rat model of moderate chronic r...

Background/Aims: Chronic renal failure (CRF) patients develop anaemia, thus promoting cardiovascular complications, which seems to be favoured by the low kidney erythropoietin (EPO) production. The renal insufficiency degree might determine the moment to start recombinant human EPO (rhEPO) therapy. It has been attributed important non-hematopoietic effects to rhEPO, which might underlie cardio and renoprotectio...

Linkage of cytosolic peroxiredoxin 2 to erythrocyte membrane imposed by hydroge...

Human erythrocyte peroxiredoxin 2 (Prx2) is a typical 2-cys cytosolic peroxiredoxin with thiol-dependent hydrogen peroxide scavenger activity. In a previous work, we reported Prx2 erythrocyte membrane linkage in some Hereditary Spherocytosis patients and that it seemed to be related to oxidative stress. The aim of the present work was to determine if Prx2 linkage to erythrocyte membrane could be induced by oxid...

Hepcidin serum levels and resistance to recombinant human erythropoietin therap...

This title was also presented orally at Clinical Biochemistry workshop,Faro, 29 Janeiro, 2010

Inflammation, T-Cell phenotype, and inflammatory cytokines in chronic kidney di...

Background Resistance to recombinant human erythropoietin (rhEPO) occurs in some chronic kidney disease (CKD) patients, which may be due to enhanced systemic inflammatory response and to the erythropoiesis-suppressing effect of pro-inflammatory cytokines, some of which are produced by T cells. Aim of study The aim of this study was to investigate the relationship between resistance to rhEPO therapy in hemodialy...

Higher fibrinolytic and inflammatory markers are associated with central venous...

T-cell phenotype and inflammation in chronic kidney disease patients under haem...

IL-7 serum levels and lymphopenia in hemodialysis patients, non-responders to r...

Neutrophil activation and resistance to recombinant human erythropoietin therap...

The aim of this work was to evaluate the neutrophil activation state in chronic kidney disease (CKD) patients under hemodialysis, and its linkage with resistance to recombinant human erythropoietin (rhEPO) therapy. Methods: We studied 63 CKD patients under hemodialysis and rhEPO treatment (32 responders and 31 non-responders to rhEPO therapy). In 20 of the CKD patients (10 responders and 10 non-responders to rh...