Results: 18

Detoxification enzymes: cellular metabolism and susceptibility to various diseases

The use of aromatase inhibitors in boys with short stature: what to know before prescribing?

ABSTRACT Aromatase is a cytochrome P450 enzyme (CYP19A1 isoform) able to catalyze the conversion of androgens to estrogens. The aromatase gene mutations highlighted the action of estrogen as one of the main regulators of bone maturation and closure of bone plate. The use of aromatase inhibitors (AI) in b...

Over-expression of CYP78A98, a cytochrome P450 gene from Jatropha curcas L, increases seed size of transgenic tobacco

Electron. j. biotechnol; 19 (1), 2016
Background: Jatropha curcas L. (further referred to as Jatropha), as a rapidly emerging biofuel crop, has attracted worldwide interest. However, Jatropha is still an undomesticated plant, the true potential of this shrub has not yet been fully realized. To explore the potential of Jatropha, breeding and ...

Genetic polymorphisms in the Cytochrome P450 family and squamous cell carcinoma of the oral cavity, pharynx and larynx

Rev. Col. Bras. Cir; 41 (5), 2014
Objective: To analyze the genetic polymorphisms of the cytochrome P450 family and their relationship with squamous cell carcinoma of the oral cavity, pharynx and larynx. Methods: We present a narrative literature review, conducted in Pubmed, Lilacs and Cochrane Databases of articles published in the last...

Estresse oxidativo hepático por lindano como parâmetro de avaliação toxicológica: estudo comparativo entre duas linhagens de camundongos

O conhecimento dos efeitos tóxicos constitui o ponto de partida para a avaliação do risco de uso de xenobióticos. A partir deste conhecimento deve-se estabelecer um efeito crítico para a definição dos níveis de não efeito observado que são empregados para a extrapolação dos resultados obtidos...

A influencia da insuficiencia renal na atividade in vivo de formas especificas do citocromo P450. Administracao do "coquetel" antipirina e nifedipina como farmacos marcadores

A atividade de formas especificas do citocromo P450 foi caracterizada "in vivo", em pacientes portadores de insuficiencia renal cronica moderada, atraves da administracao dos farmacos marcadores antipirina e nifedipina na forma de "coquetel". Foram investigados nove pacientes portadores de hipertensao ar...