80 research outputs found
Oxidative Stress and Disease
Typically in aerobic metabolism, organic compounds such as nucleic acids, proteins and lipids can undergo structural damage by oxidative reactions. This damage caused by reactive oxygen/nitrogen species has been recognized as “oxidative stress”. Despite the biological systems present efficient enzymatic and nonenzymatic antioxidant systems, oxidative stress indicates a pro-oxidant/antioxidant imbalance in favor of excessive generation of free radicals or decrease in the removal rate. Various diseases such as cancer, diabetes, cardiovascular diseases and neurodegenerative clearly exemplify the chronic oxidative stress. Therefore, it is important to consider that at low and moderate ROS levels, it can, for example, act as signaling molecules that support cell proliferation and differentiation and activate survival pathways in response to stress. Correlations between oxidative stress and disease should be carefully investigated in order to understand whether oxidative stress actually increases susceptibility to a particular disease or opposite
Uso de Bacillus subtilis no controle da meloidoginose e na promoção do crescimento do tomateiro
Associação genética de escores de conformação com características de crescimento em bovinos da raça Angus
Parâmetros genéticos e tendências genéticas e fenotípicas para características produtivas e de conformação na fase pré-desmama em uma população da raça Aberdeen Angus
Quantity and quality of soil organic matter as a sustainability index under different land uses in Eastern Amazon
Estimativa do escoamento superficial em uma bacia hidrográfica com base em modelagem dinâmica e distribuída
Análise conjunta de ensaios de cultivares de milho por classes de interação genótipo x ambiente
Espaçamento e população de plantas de mamoneira de porte baixo para colheita mecanizada
- …