Aqueous extracts of Rhizopus oryzae induced nitric oxide production in rat hepatocyte cell line RLN-10.
Biosci Biotechnol Biochem
; 77(7): 1384-9, 2013.
Article
em En
| MEDLINE
| ID: mdl-23832357
ABSTRACT
Aqueous extracts of Rhizopus oryzae (Aq-ROU) have a broad range of physiological activity. Here we identified a new physiological effect of Aq-ROU in rat hepatocyte cell line RLN-10. Aq-ROU induced the accumulation of nitrite, a stable metabolite nitric oxide (NO), in cell culture medium and induced potent diaminofluorescein-FM diacetate staining in the cells. Real-time reverse transcriptase (RT)-PCR analysis showed marked inducible NO synthase gene expression. Additionally, markedly enhanced expression of p22(phox) and temporally increased expression of NADPH oxidase1 indicated that superoxide was produced. Nuclear translocation of nuclear factor-kappa (NF-κ) B p65 increased remarkably following Aq-ROU and following lipopolysaccharide treatment, a potent activator of NF-κB. Ammonium pyrrolidine-1-carbodithioate, an inhibitor of NF-κB, inhibited NO production following Aq-ROU treatment. Our data indicate that Aq-ROU induces NO production and potentially the production of superoxide, which may contribute to the broad range of physiological effects observed for Aq-ROU ingested by animals.
Buscar no Google
Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Rhizopus
/
Água
/
Hepatócitos
/
Óxido Nítrico
Tipo de estudo:
Prognostic_studies
Limite:
Animals
Idioma:
En
Revista:
Biosci Biotechnol Biochem
Assunto da revista:
BIOQUIMICA
/
BIOTECNOLOGIA
Ano de publicação:
2013
Tipo de documento:
Article
País de afiliação:
Japão