Effects of tripcholorolide on inflammatory reaction of mouse alveolar macrophages in vitro.

Abstract:

AIM:To observe the effects of tripcholorolide (T4) on inflammatory reaction of mouse alveolar macrophages. METHODS:RT-PCR was used to investigate tumor necrosis factor alpha (TNF alpha), interleukin-1 beta (IL-1 beta), IL-6, IL-10, and inducible nitric-oxide synthase (iNOS) mRNA expression in alveolar macrophages after LPS 10 mg/L and T4 500 micrograms/L treatment. ELISA was used to detect TNF alpha, IL-1 beta, IL-6, and IL-10 protein expression. Nitrite was measured by Griess reaction. RESULTS:TNF alpha, IL-1 beta, IL-6, IL-10, and nitrite increased in supernatants, when alveolar macrophages were stimulated by LPS 10 mg/L at 24 h. Both T4 500 micrograms/L and dexamethasone 100 mumol/L had inhibitory effects on the production of TNF alpha, IL-1 beta, IL-6, IL-10, and nitric oxide. The mRNA expression of TNF alpha, IL-6, IL-10, and iNOS increased at 5 h after LPS stimulation which was decreased on addition of T4 500 micrograms/L or dexamethasone 100 mumol/L. T4 had no effect on stability of LPS-induced mRNA expression in TNF alpha, IL-6, and IL-10. CONCLUSION:T4 had inhibitory effects on the expression of proinflammatory and antiinflammatory mediators.

journal_name

Acta Pharmacol Sin

authors

Qiu HB,Yang Y,Zhou SX

subject

Has Abstract

pub_date

2000-12-01 00:00:00

pages

1197-201

issue

12

eissn

1671-4083

issn

1745-7254

journal_volume

21

pub_type

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