نتایج جستجو برای: nac n acetylcysteine

تعداد نتایج: 980376  

2006
PNR Dekhuijzen WJC van Beurden

Oxidative stress has been implicated in the pathogenesis and progression of COPD. Both reactive oxidant species from inhaled cigarette smoke and those endogenously formed by inflammatory cells constitute an increased intrapulmonary oxidant burden. Structural changes to essential components of the lung are caused by oxidative stress, contributing to irreversible damage of both parenchyma and air...

2007
Ruben Boogaard Johan C. de Jongste

Mucoactive agents are used to treat a variety of lung diseases involving impaired mucociliary clearance or mucus hypersecretion. The mucoactive agents studied most frequently are N-acetylcysteine (NAC), recombinant human DNase (rhDNase), and hypertonic saline. Studies on the efficacy of these have been mainly conducted in adults, and in patients with cystic fibrosis (CF). The exact role of muco...

2015
Ghafar Ali Mahmoudi Peyman Astaraki Azita Zafar Mohtashami Maryam Ahadi

N-acetylcysteine (NAC) is used widely and effectively in oral and intravenous forms as a specific antidote for acetaminophen poisoning. Here we report a rare case of iatrogenic NAC overdose following an error in preparation of the solution, and describe its clinical symptoms. Laboratory results and are presented and examined. A 23-year-old alert female patient weighing 65 kg presented to the em...

Journal: :Mediators of Inflammation 2005
Ergul Belge Kurutas Ali Cetinkaya Ertan Bulbuloglu Bulent Kantarceken

The aim of the present study was to evaluate the effects of N-acetylcysteine (NAC) and L-carnitine (LCAR) supplementations on polymorphonuclear leukocytes myeloperoxidase (MPO) and Cu/Zn-superoxide dismutase (Cu/Zn-SOD) and plasma malondialdehyde (MDA) in acetic acid (AA)-induced ulcerative colitis model. The mean polymorphonuclear leukocyte MPO and Cu/Zn-SOD activity was significantly higher i...

Journal: :The European respiratory journal 1988
A Eklund O Eriksson L Håkansson K Larsson K Ohlsson P Venge H Bergstrand A Björnson R Brattsand C Glennow

Bronchoalveolar lavage (BAL) was performed on eleven healthy smokers before and after eight weeks of oral treatment with N-acetylcysteine (NAC) 200 mg t.i.d. The concentrations of selected eosinophil and neutrophil granule constituents and of selected proteases and protease inhibitors, albumin and endotoxin were determined in the recovered BAL fluid and in plasma or serum samples. In addition, ...

Journal: :Carcinogenesis 2012
Arup Bhattacharya Yun Li Feng Geng Rex Munday Yuesheng Zhang

Naturally occurring allyl isothiocyanate (AITC) was recently shown to be selectively delivered to bladder cancer tissue via urinary excretion and to inhibit bladder cancer growth and muscle invasion in an animal model. AITC is excreted in urine mainly as N-acetyl-S-(N-allylthiocarbamoyl)cysteine, more commonly known as the N-acetylcysteine conjugate (NAC-AITC). We show here that treatment of hu...

2010
O Koksel I Cinel L Tamer L Cinel P Lainée P Efron K Lorré L Moldawer

Since oleic acid (OA) induces morphologic and cellular changes similar to those observed in human acute lung injury (ALI) and acute respiratory distress syndrome (ARDS), it has become a widely used model to investigate the effects of several agents on pathogenesis of lung injury. The antioxidant, anti-inflammatory and antiapoptotic properties of N-acetylcysteine (NAC) have been documented in ma...

Journal: :Archives of environmental contamination and toxicology 2005
Nukhet Aykin-Burns Elizabeth A Franklin Nuran Ercal

The neurotoxicity of lead has been well established through numerous studies. However, the cellular processes of lead neurotoxicity, as well as techniques to prevent or reverse cellular damage after lead exposure, remain unknown. If oxidative stress plays a primary role in lead-induced neurotoxicity, antioxidants should assist in reviving lead-exposed cells. The present study explores N-acetylc...

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