Blockade of advanced glycation end product formation attenuates bleomycin-induced pulmonary fibrosis in rats

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Blockade of advanced glycation end product formation attenuates bleomycin-induced pulmonary fibrosis in rats

BACKGROUND Advanced glycation end products (AGEs) have been proposed to be involved in pulmonary fibrosis, but its role in this process has not been fully understood. To investigate the role of AGE formation in pulmonary fibrosis, we used a bleomycin (BLM)-stimulated rat model treated with aminoguanidine (AG), a crosslink inhibitor of AGE formation. METHODS Rats were intratracheally instilled...

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Saffron Protection against Bleomycin-Induced Pulmonary Fibrosis in Rats

Background: Bleomycin-induced lung fibrosis has been accepted as an animal model for fibrosis in rats. The aim of this study was to evaluate the effects of saffron aqueous extract on this disorder paving the way for more investigation in treating idiopathic pulmonary fibrosis in human.  Methods: Male Wistar rats (250–300 gr) were instilled a single dose of bleomycin (5 mg/kg) via in...

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Tanshinone IIA attenuates bleomycin-induced pulmonary fibrosis in rats

Idiopathic pulmonary fibrosis is a chronic and progressive fibrotic lung disorder with unknown etiology and a high mortality rate. Tanshinone ⅡA (Tan ⅡA) is a lipophilic diterpene extracted from the Chinese herb Salvia miltiorrhiza Bunge with diverse biological functions. The present study was conducted to evaluate the effects of Tan ⅡA on bleomycin (BLM)‑induced pulmonary fibrosis in rats. Rat...

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Blockade of advanced glycation end-product formation restores ischemia-induced angiogenesis in diabetic mice.

We hypothesized that formation of advanced glycation end products (AGEs) associated with diabetes reduces matrix degradation by metalloproteinases (MMPs) and contributes to the impairment of ischemia-induced angiogenesis. Mice were treated or not with streptozotocin (40 mg/kg) and streptozotocin plus aminoguanidine (AGEs formation blocker, 50 mg/kg). After 8 weeks of treatment, hindlimb ischemi...

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IL-12 attenuates bleomycin-induced pulmonary fibrosis.

Interleukin (IL)-12 is a potent inducer of interferon (IFN)-gamma. We postulated that IL-12 would attenuate bleomycin-induced pulmonary fibrosis. To test this hypothesis, we administered IL-12 or murine serum albumin to bleomycin-treated mice by daily intraperitoneal injection until day 12. Mice treated with IL-12 demonstrated decreased hydroxyproline levels compared with control treated mice. ...

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ژورنال

عنوان ژورنال: Respiratory Research

سال: 2009

ISSN: 1465-993X

DOI: 10.1186/1465-9921-10-55