Search Results - "Leitão, Alvaro C."

Photoprotection assessment of olive (Olea europaea L.) leaves extract standardized to oleuropein: In vitro and in silico approach for improved sunscreens by da Silva, Anne C.P., Paiva, Juliana P., Diniz, Raiane R., dos Anjos, Vitor M., Silva, Ana Beatriz S.M., Pinto, Alicia Viviana, dos Santos, Elisabete P., Leitão, Alvaro C., Cabral, Lucio M., Rodrigues, Carlos R., de Pádula, Marcelo, Santos, Bianca Aloise M.C.

“…Olive leaves contain higher amount of polyphenols than olive oil and represent a waste product from olive harvest and pruning of olive trees. The most abundant…”
Get full text

The anabolic androgenic steroid nandrolone decanoate disrupts redox homeostasis in liver, heart and kidney of male Wistar rats by Frankenfeld, Stephan P, Oliveira, Leonardo P, Ortenzi, Victor H, Rego-Monteiro, Igor C C, Chaves, Elen A, Ferreira, Andrea C, Leitão, Alvaro C, Carvalho, Denise P, Fortunato, Rodrigo S

“…The abuse of anabolic androgenic steroids (AAS) may cause side effects in several tissues. Oxidative stress is linked to the pathophysiology of most of these…”
Get full text

Effect of the FE2+ chelation by 2,2′-dipyridyl in the doxorubicin-induced lethality in breast tumor cell lines by Bernardes, Jéssica R., Faria, Caroline C., Andrade, Iris S., Ferreira, Andrea Claudia Freitas, Carvalho, Denise P., Leitão, Alvaro C., de Alencar, Tatiana A.M., Fortunato, Rodrigo S.

“…Breast cancer cells may exhibit changes in iron homeostasis, which results in increased labile iron pool (LIP) levels. Several studies highlight the crucial…”
Get full text

Titanium dioxide-montmorillonite nanocomposite as photoprotective agent against ultraviolet B radiation-induced mutagenesis in Saccharomyces cerevisiae: a potential candidate for safer sunscreens by Paiva, Juliana P, Santos, Bianca A M C, Kibwila, Daniel M, Gonçalves, Tula C W, Pinto, A Viviana, Rodrigues, Carlos R, Leitão, Alvaro C, Cabral, Lúcio M, De Pádula, Marcelo

“…Photoprotective potential and biological consequences (mutagenic potential) of octyl-dimethyl-PABA (ODP), titanium dioxide (TiO2 ), and montmorillonite (MMT)…”
Get more information

Influence of Ogg1 repair on the genetic stability of ccc2 mutant of Saccharomyces cerevisiae chemically challenged with 4-nitroquinoline-1-oxide (4-NQO) by da Silva, Claudia R, Almeida, Gabriella S, Caldeira-de-Araújo, Adriano, Leitão, Alvaro C, de Pádula, Marcelo

“…In Saccharomyces cerevisiae, disruption of genes by deletion allowed elucidation of the molecular mechanisms of a series of human diseases, such as in Wilson…”
Get full text

Genotoxic and Cytotoxic Safety Evaluation of Papain (Carica papaya L.) Using In Vitro Assays by Caldeira-de-Araújo, Adriano, Pádula, Marcelo de, Varanda, Leandro L., Leitão, Alvaro C., Almeida, Gabriella S. de, Motta, Ellen S., Silva, Claudia R. da, Oliveira, Marcia B. N.

“…Papain, a phytotherapeutic agent, has been used in the treatment of eschars and as a debriding chemical agent to remove damaged or necrotic tissue of pressure…”
Get full text

Insights and controversies on sunscreen safety by Paiva, Juliana P., Diniz, Raiane R., Leitão, Alvaro C., Cabral, Lucio M., Fortunato, Rodrigo S., Santos, Bianca A. M. C., de Pádula, Marcelo

“…Although sunlight provides several benefits, ultraviolet (UV) radiation plays an important role in the development of various skin damages such as erythema,…”
Get full text

Microbiological Decontamination of Water: Improving the Solar Disinfection Technique (SODIS) with the Use of Nontoxic Vital Dye Methylene Blue by Cardoso‐Rurr, Janine S., Paiva, Juliana Patrão, Paulino‐Lima, Ivan G., Alencar, Tatiana A.M., Lage, Claudia A.S., Leitão, Alvaro C.

“…Rational use of water is a major challenge for governments and global organizations, with easy and inexpensive interventions being sought by communities that…”
Get full text

Saccharomyces cerevisiae strains as bioindicators for titanium dioxide sunscreen photoprotective and photomutagenic assessment by Diniz, Raiane R., Paiva, Juliana P., Aquino, Renan M., Gonçalves, Tula C.W., Leitão, Alvaro C., Santos, Bianca Aloise M.C., Pinto, Alicia V., Leandro, Katia C., de Pádula, Marcelo

“…Although several short-term assays are available for cosmetic photosafety assessment, cell models are usually highly sensitive to UV radiation, tending to…”
Get full text

Repair of DNA Lesions Induced by Hydrogen Peroxide in the Presence of Iron Chelators in Escherichia coli: Participation of Endonuclease IV and Fpg by Galhardo, Rodrigo S., Almeida, Carlos E. B., Leitão, Alvaro C., Cabral-Neto, Januário B.

“…Article Usage Stats Services JB Citing Articles Google Scholar PubMed Related Content Social Bookmarking CiteULike Delicious Digg Facebook Google+ Mendeley…”
Get full text

Interaction of stannous chloride leads to alteration in DNA, triphosphate nucleotides and isolated bases by de Mattos, José C P, Lage, Claudia, Dantas, Flávio J S, Moraes, Milton O, Nunes, Ana P M, Bezerra, Roberto J A C, Faria, Mauro V Castro, Leitão, Alvaro C, Caldeira-de-Araujo, Adriano

“…Stannous chloride (SnCl2) is a reducing chemical agent used in several man-made products. SnCl2 can generate reactive oxygen species (ROS); therefore, studies…”
Get full text

Insight from the draft genome of Dietzia cinnamea P4 reveals mechanisms of survival in complex tropical soil habitats and biotechnology potential by Procópio, Luciano, Alvarez, Vanessa M., Jurelevicius, Diogo A., Hansen, Lars, Sørensen, Søren J., Cardoso, Janine S., Pádula, Marcelo, Leitão, Álvaro C., Seldin, Lucy, van Elsas, Jan Dirk

“…The draft genome of Dietzia cinnamea strain P4 was determined using pyrosequencing. In total, 428 supercontigs were obtained and analyzed. We here describe and…”
Get full text

Nuclear and mitochondrial genome instability induced by fractions of ethanolic extract from Hovenia dulcis Thunberg in Saccharomyces cerevisiae strains by ARAÚJO, LUANA B.N. DE, CAL, BRUNA B.F., NUNES, BRENO M., CRUZ, LETICIA O. DA, SILVA, CLAUDIA R. DA, CASTRO, TATIANA C. DE, LEITÃO, ÁLVARO C., PÁDULA, MARCELO DE, ALBARELLO, NORMA, DANTAS, FLAVIO J.S.

“…Abstract Hovenia dulcis is a plant commonly used as a pharmaceutical supplement, having displayed important pharmacological properties such antigiardic,…”
Get full text

Cytotoxicity of Extracts from Petiveria alliacea Leaves on Yeast by Cal, Bruna B F, Araújo, Luana B N, Nunes, Brenno M, da Silva, Claudia R, Oliveira, Marcia B N, Soares, Bianka O, Leitão, Alvaro A C, de Pádula, Marcelo, Nascimento, Debora, Chaves, Douglas S A, Gagliardi, Rachel F, Dantas, Flavio J S

“…L. is a plant used in traditional medicine harboring pharmacological properties with anti-inflammatory, antinociceptive, hypoglycemiant and anesthetic…”
Get full text

Reevaluating the role of 1,10-phenanthroline in oxidative reactions involving ferrous ions and DNA damage by de Avellar, Isa G.J., Magalhães, Marta M.M., Silva, André B., Souza, Luciana L., Leitão, Alvaro C., Hermes-Lima, Marcelo

“…It is widely believed that the iron chelator 1,10-phenanthroline (phen) is able to fully block the Fenton reaction by forming a complex (Fe(phen) 3 2+, also…”
Get full text

Enhanced Sensitivity of Escherichia coli uvr B Mutants to Mitomycin C Points to a UV-C Distinct Repair for DNA Adducts by Vidal, Leonardo S., Santos, Larissa B., Lage, Claudia, Leitão, Alvaro C.

Get full text

Differential survival of Escherichia coli uvrA, uvrB, and uvrC mutants to psoralen plus UV-A (PUVA): Evidence for uncoupled action of nucleotide excision repair to process DNA adducts by Lage, Claudia, Gonçalves, Silvia R.F., Souza, Luciana L., Pádula, Marcelo de, Leitão, Alvaro C.

“…The nucleotide excision repair mechanism (NER) of Escherichia coli is responsible for the recognition and elimination of more than twenty different DNA…”
Get full text

Enhanced Sensitivity of Escherichia coli uvrB Mutants to Mitomycin C Points to a UV-C Distinct Repair for DNA Adducts by Vidal, Leonardo S, Santos, Larissa B, Lage, Claudia, Leitão, Alvaro C

“…Nucleotide excision repair (NER) in Escherichia coli repairs DNA by incising the damaged strand on the 3‘ and 5‘ sides of the lesion within pyrimidine dimers…”
Get full text

Genotoxicity and mutagenicity of Echinodorus macrophyllus (chapéu-de-couro) extracts by Vidal, Leonardo S, Alves, Adriana M, Kuster, Ricardo M, Lage, Claudia, Leitão, Alvaro C

“…Echinodorus macrophyllus, commonly known as chapéu-de-couro, is a medicinal plant used in folk medicine to treat inflammation and rheumatic diseases. In this…”
Get full text

Comparative studies of phenotypic and genetic characteristics between two desulfurizing isolates of Rhodococcus erythropolis and the well-characterized R. erythropolis strain IGTS8 by Santos, Silvia C. C, Alviano, Daniela S, Alviano, Celuta S, Goulart, Fátima R. V, de Pádula, Marcelo, Leitão, Álvaro C, Martins, Orlando B, Ribeiro, Claudia M. S, Sassaki, Mônica Y. M, Matta, Carla P. S, Bevilaqua, Juliana, Sebastián, Gina V, Seldin, Lucy

“…Two Rhodococcus erythropolis isolates, named A66 and A69, together with the well-characterized R. erythropolis strain IGTS8 were compared biochemically and…”
Get full text