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Effects of HSP70 inhibitor on expression of iNOS induced by IFN-γ / 中国药理学通报
Chinese Pharmacological Bulletin ; (12): 390-393,394, 2016.
Artículo en Chino | WPRIM | ID: wpr-603573
ABSTRACT
Aim To research the effects of HSP70 in-hibitor ( PFTμ) on the expressions of iNOS induced by IFN-γ in RAW 264. 7 cells. Methods The NO con-centration was measured by Griess Kit. The expression of interest protein was measured by Western blot and iNOS mRNA was measured by RT-PCR. Mouse cardi-ac ischemia-reperfusion ( I/R ) model was established to set up the inflammatory response. These were divid-ed into control and treated groups. The infarct size was monitored on myocardial I/R mice. Results We found that PFTμsignificantly blocked the production of NO and the expression of iNOS protein and mRNA in RAW 264. 7 cells. The mechanism may be part of the inhibition of nuclear IRF-1 protein expression. We also found that PFTμ reduced the infarct size in myocardial I/R mice ( P <0. 05 ) . Conclusion These results suggest that PFTμ down-regulates the IFN-γ-induced iNOS transcription through decreasing translocated IRF-1 protein.

Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Idioma: Chino Revista: Chinese Pharmacological Bulletin Año: 2016 Tipo del documento: Artículo

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Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Idioma: Chino Revista: Chinese Pharmacological Bulletin Año: 2016 Tipo del documento: Artículo