Search Results - "HENRIQUES, JOÃO ANTONIO PÊGAS"
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Pathways of cardiac toxicity: comparison between chemotherapeutic drugs doxorubicin and mitoxantrone
Published in Archives of toxicology (01-09-2016)“…Anthracyclines, e.g., doxorubicin (DOX), and anthracenediones, e.g., mitoxantrone (MTX), are drugs used in the chemotherapy of several cancer types, including…”
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Replication and Homologous Recombination Repair Regulate DNA Double-Strand Break Formation by the Antitumor Alkylator Ecteinascidin 743
Published in Proceedings of the National Academy of Sciences - PNAS (07-08-2007)“…Adducts induced by the antitumor alkylator ecteinascidin 743 (ET-743, Yondelis, trabectedin) represent a unique challenge to the DNA repair machinery because…”
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The Influence of Micronutrients in Cell Culture: A Reflection on Viability and Genomic Stability
Published in BioMed research international (01-01-2013)“…Micronutrients, including minerals and vitamins, are indispensable to DNA metabolic pathways and thus are as important for life as macronutrients. Without the…”
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Novel Keratinase from Bacillus subtilis S14 Exhibiting Remarkable Dehairing Capabilities
Published in Applied and Environmental Microbiology (2005)“…We report the isolation of a keratinolytic-producing Bacillus subtilis strain and the characterization of the exceptional dehairing properties of its…”
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Saccharomyces cerevisiae as a model system to study the response to anticancer agents
Published in Cancer chemotherapy and pharmacology (01-10-2012)“…The development of new strategies for cancer therapeutics is indispensable for the improvement of standard protocols and the creation of other possibilities in…”
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Genotoxicity and mutagenicity of iron and copper in mice
Published in Biometals (01-06-2008)“…The toxicity of trace metals is still incompletely understood. We have previously shown that a single oral dose of iron or copper induces genotoxic effects in…”
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New insights into the Ca2+-ATPases that contribute to cadmium tolerance in yeast
Published in Toxicology letters (30-11-2011)“…► Inactivation of the PMR1 gene in Saccharomyces cerevisiae delayed initial cadmium uptake. ► Cells lacking functional Pmr1p increased basal expression of PMC1…”
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Distinction between 2′- and 3′-Phosphate Isomers of a Fluorescent NADPH Analogue Led to Strong Inhibition of Cancer Cells Migration
Published in Antioxidants (01-05-2021)“…Specific inhibition of NADPH oxidases (NOX) and NO-synthases (NOS), two enzymes associated with redox stress in tumor cells, has aroused great pharmacological…”
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DNA repair pathways involved in repair of lesions induced by 5-fluorouracil and its active metabolite FdUMP
Published in Biochemical pharmacology (15-01-2010)“…A systematic study in Saccharomyces cerevisiae reveals important differences in the repair of DNA lesions induced by 5-flourouracil and its major metabolite,…”
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Pmr1 protein, the major yeast Ca²⁺-ATPase in the Golgi, regulates intracellular levels of the cadmium ion
Published in FEMS microbiology letters (01-08-2008)“…Cadmium is a nonessential, highly toxic heavy metal that shows ionic properties similar to calcium. These ionic similarities imply that the cadmium ion, Cd²⁺,…”
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role of two putative nitroreductases, Frm2p and Hbn1p, in the oxidative stress response in Saccharomyces cerevisiae
Published in Yeast (Chichester, England) (01-02-2010)“…The nitroreductase family is comprised of a group of FMN- or FAD-dependent enzymes that are able to metabolize nitrosubstituted compounds using the reducing…”
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Red propolis:Chemical composition and pharmacological activity
Published in Asian Pacific journal of tropical biomedicine (01-07-2017)“…Propolis has been used worldwide for years in folk medicine and currently marketed by the pharmaceutical industry. In Brazil, propolis was classified into 13…”
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Antioxidant defences and haemocyte internalization in Limnoperna fortunei exposed to TiO2 nanoparticles
Published in Aquatic toxicology (01-07-2016)“…•TiO2-NP was internalized by Limnoperna fortunei cells.•TiO2-NP can promote alterations in haemocytes membrane of golden mussel.•Antioxidant activity of Sod…”
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DNA damage in organs of mice treated acutely with patulin, a known mycotoxin
Published in Food and chemical toxicology (01-10-2012)“…► Genotoxic effect of patulin after systemic administration was evaluated in mice. ► Dose-dependent increase in DNA strand breaks (brain, liver, kidneys) was…”
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ZnO nanoparticles alter redox metabolism of Limnoperna fortunei
Published in Environmental science and pollution research international (01-12-2021)“…Nanoparticles such as zinc oxide nanoparticles (ZnO-NP) that are incorporated in consumer and industrial products have caused concern about their potential…”
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Relationship between endoplasmic reticulum- and Golgi-associated calcium homeostasis and 4-NQO-induced DNA repair in Saccharomyces cerevisiae
Published in Archives of microbiology (01-04-2010)“…Calcium (Ca²⁺) is an important ion that is necessary for the activation of different DNA repair mechanisms. However, the mechanism by which DNA repair and Ca²⁺…”
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Piperlongumine Induces Apoptosis in Colorectal Cancer HCT 116 Cells Independent of Bax, p21 and p53 Status
Published in Anticancer research (01-11-2018)“…Colorectal cancer is a common type of cancer with reported resistance to treatment, in most cases due to loss of function of apoptotic and cell-cycle proteins…”
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Influence of orange juice over the genotoxicity induced by alkylating agents: an in vivo analysis
Published in Mutagenesis (01-07-2005)“…There is considerable epidemiological evidence indicating an association between diets rich in fresh fruit and vegetables and a decreased incidence of cancers…”
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Possible Link Between Iron Deficiency and Gastrointestinal Carcinogenesis
Published in Nutrition and cancer (01-01-2009)“…There is definitive evidence that iron overload induces oxidative stress and DNA damage, which can enhance carcinogenic risk. However, other evidence suggests…”
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Dietary total antioxidant capacity is associated with plasmatic antioxidant capacity, nutrient intake and lipid and DNA damage in healthy women
Published in International journal of food sciences and nutrition (18-05-2016)“…Dietary total antioxidant capacity (DTAC) seems to be associated with reducing risk of diseases. However, data about the influence of the DTAC on oxidative…”
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