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Intervention studies of n-3 polyunsaturated fatty acids (n-3 PUFA) as add-on therapy in patients with schizophrenia have not examined changes in oxidative stress. A randomized placebo-controlled trial of a 26-week intervention composed of 2.2g/day of n-3 PUFA was found to reduce symptom severity in first-episode schizophrenia patients. The present study is an extension of our previous report, whose...
A depressive disorder is a disease characterized by a heterogenous background. The important processes observed and diagnosed in depressed patients indicate that the etiology of depression may include disturbances in thyroid hormone (TH) levels and the occurrence of immune‑inflammatory activation. Type 1 (DIO1) and type 3 (DIO3) iodothyronine deiodinases are the enzymes which determine the peripheral...
Elevated levels of vascular endothelial growth factor (VEGF) are observed in conditions with vessel and neuron damage or pathological arborization and can therefore be detected in chronic inflammatory process, cardiovascular disease and depression. Hyperlipidemia and cigarette smoking are two factors that have been implicated in endothelial damage. The high comorbidity between cardiovascular disease...
Methotrexate (MTX) and 6-mercaptopurine (6MP) are the most commonly used drugs in the therapy of childhood acute lymphoblastic leukaemia (ALL). The main genotoxic effect of MTX resulting from inhibition of thymidylate synthase is mis-incorporation of uracil into DNA, which is considered essential for the effectiveness of the Protocol M in ALL IC BFM 2002/EURO LB 2002 regimens. In this study, we investigated...
Tobacco smoking is one of the major risk factors in pathogenesis of head and neck squamous cell carcinomas (HNSCC). Many of the chemical compounds present in tobacco are well-known carcinogens which form adducts with DNA. Cells remove these adducts mainly by the nucleotide excision repair pathway (NER). NER also eliminates a broad spectrum of pyrimidine dimers (CPD) and photo-products (6-4PP) induced...
The aim of this study was to evaluate the association of polymorphisms in genes encoding three key proteins of DNA base excision repair (BER): the OGG1 Ser326Cys, the MUTYH Tyr165Cys and the XRCC1 Arg399Gln with the risk of childhood acute lymphoblastic leukemia (ALL). Our study included 97 children patients with ALL (mean age 5.4 ± 2.5) and 131 healthy children (mean age 6.2 ± 2.8) used as controls...
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