Abstract:
:The purpose of the present study was to investigate the protective effect of esculetin (ES) in lipopolysaccharide (LPS)-induced acute lung injury (ALI) and the lung epithelial A549 cells. Mice were intragastrically administered with ES (20 and 40 mg/kg) 1 h prior to LPS challenge. ES pretreatment at doses of 20 and 40 mg/kg effectively attenuated LPS-induced lung histopathological change, myeloperoxidase or MPO activity, inflammatory cells infiltration, pulmonary wet-to-dry weight ratio, and the generation of pro-inflammatory cytokines including tumor necrosis factor-α (TNF-α), interleukin-1β (IL-1β), and interleukin-6 (IL-6) in vivo and in vitro. Furthermore, we demonstrated that ES blocked the activation of NF-кB and RhoA/Rho kinase pathways in LPS-induced mice and A549 cells. The results suggested that ES exhibited protective effect on ALI and might attribute partly to the inhibition of NF-кB and RhoA/Rho kinase pathways in vivo and in vitro.
journal_name
Free Radic Resjournal_title
Free radical researchauthors
Chen T,Guo Q,Wang H,Zhang H,Wang C,Zhang P,Meng S,Li Y,Ji H,Yan Tdoi
10.3109/10715762.2015.1087643subject
Has Abstractpub_date
2015-01-01 00:00:00pages
1459-68issue
12eissn
1071-5762issn
1029-2470journal_volume
49pub_type
杂志文章abstract::Cardiolipin (CL) is a mitochondria-specific phospholipid and is critical for maintaining the integrity of mitochondrial membrane and mitochondrial function. CL also plays an active role in mitochondria-dependent apoptosis by interacting with cytochrome c (cyt c), tBid and other important Bcl-2 proteins. The unique str...
journal_title:Free radical research
pub_type: 杂志文章,评审
doi:10.3109/10715762.2012.676642
更新日期:2012-08-01 00:00:00
abstract::Experimental autoimmune encephalomyelitis (EAE) reproduces a multiple sclerosis (MS)-like experimental model. The main objective was to evaluate the effect of extremely low-frequency electromagnetic fields (EL-EMF) application, like a paradigm of transcranial magnetic stimulation (TMS) in the development of EAE. Rats ...
journal_title:Free radical research
pub_type: 杂志文章
doi:10.1080/10715762.2017.1324955
更新日期:2017-05-01 00:00:00
abstract::Nerve growth factor (NGF) is one of the several structurally related proteins, named neurotrophins (NTs), that regulate neuronal survival, development, function, and plasticity. Moreover, NGF is an important activator of antioxidant mechanisms. These NGF functions are mediated by tropomyosin-related kinase receptor A ...
journal_title:Free radical research
pub_type: 杂志文章
doi:10.3109/10715762.2013.783210
更新日期:2013-05-01 00:00:00
abstract::Carotenoids scavenge simple lipid-like alkylperoxyl radicals. However, the rate constant is too low to be determined directly and the mechanism is likewise not known with certainty [Mortensen, A. and Skibsted, L.H. (1998) FEBS Lett. 426, 392-396]. It is demonstrated that carotenoids react with peroxyl radicals only sl...
journal_title:Free radical research
pub_type: 杂志文章
doi:10.1080/10715760290006501
更新日期:2002-02-01 00:00:00
abstract::Silibinin is an active constituent extracted from blessed milk thistle (Silybum marianum). Our previous study demonstrated that silibinin induced autophagy and apoptosis via reactive oxygen species (ROS) generation in HeLa cells. In this study, we investigated whether the autophagy- and apoptosis-associated molecules ...
journal_title:Free radical research
pub_type: 杂志文章
doi:10.3109/10715762.2012.655244
更新日期:2012-03-01 00:00:00
abstract::Ribonucleotide reductases catalyze the irreversible reductive formation of 2'-deoxyribonucleotides required for DNA replication and cell proliferation, and a radical mechanism was assumed to be involved in this reaction. In order to search for a radical in the aerobic manganese ribonucleotide reductase (Mn-RRase) by e...
journal_title:Free radical research
pub_type: 杂志文章
doi:10.3109/10715769609088046
更新日期:1996-06-01 00:00:00
abstract::Oxidation of low density lipoprotein (LDL) has been implicated in the pathogenesis of atherosclerosis. The most common technique for measuring the oxidation of lipoproteins is the continuous measurement of the formation of conjugated diene at OD 234 nm. The concept of "lag time", derived from such measurements, has be...
journal_title:Free radical research
pub_type: 杂志文章,评审
doi:10.3109/10715769809065814
更新日期:1998-06-01 00:00:00
abstract::The ubiquitin-proteasome system (UPS) and autophagy are two major intracellular proteolytic systems that are closely associated with each other. Because UPS and autophagy are involved in the clearance of oxidised and/or aggregated proteins, it would be logical to assume that alterations in proteolysis would accompany ...
journal_title:Free radical research
pub_type: 杂志文章
doi:10.1080/10715762.2020.1734588
更新日期:2020-04-20 00:00:00
abstract::The oxidized intermediates generated upon exposure of Aspergillus niger catalase to hydrogen peroxide and superoxide radical fluxes were examined with UV-visible spectrophotometry. Hydrogen peroxide and superoxide radical were generated by means of glucose/glucose oxidase and xanthine/xanthine oxidase systems. Serial ...
journal_title:Free radical research
pub_type: 杂志文章
doi:10.3109/10715769409145624
更新日期:1994-01-01 00:00:00
abstract::Available data on the absorption, metabolism and pharmacokinetics of coenzyme Q10 (CoQ10) are reviewed in this paper. CoQ10 has a fundamental role in cellular bioenergetics. CoQ10 is also an important antioxidant. Because of its hydrophobicity and large molecular weight, absorption of dietary CoQ10 is slow and limited...
journal_title:Free radical research
pub_type: 杂志文章,评审
doi:10.1080/10715760600617843
更新日期:2006-05-01 00:00:00
abstract::Cellular exposure to ionising radiation leads to oxidative stress events, which refer to elevated intracellular levels of reactive oxygen species (ROS). The elevated levels of ROS significantly contributed to γ-radiation (IR) induced cytotoxicity. In an attempt to minimise these cytotoxic effects, antioxidant compound...
journal_title:Free radical research
pub_type: 杂志文章
doi:10.1080/10715762.2017.1395025
更新日期:2017-12-01 00:00:00
abstract::APE1/Ref-1, the mammalian ortholog of E. coli Xth, and a multifunctional protein possessing both DNA repair and transcriptional regulatory activities, has dual role in controlling cellular response to oxidative stress. It is rate-limiting in repair of oxidative DNA damage including strand breaks and also has co-transc...
journal_title:Free radical research
pub_type: 杂志文章
doi:10.1080/10715760701765616
更新日期:2008-01-01 00:00:00
abstract::After minimal sample preparation, two different HPLC methodologies, one based on a single gradient reversed-phase HPLC step, the other on multiple HPLC runs each optimised for specific components, were used to investigate the composition of flavonoids and phenolic acids in apple and tomato juices. The principal compon...
journal_title:Free radical research
pub_type: 杂志文章
doi:10.1080/10715760000300551
更新日期:2000-06-01 00:00:00
abstract::There is clear evidence implicating oxidative stress in the pathology of many neurodegenerative diseases. Reactive oxygen species (ROS) are the primary mediators of oxidative stress, and hydrogen peroxide, a key ROS, is generated during aggregation of the amyloid proteins associated with some of these diseases. Hydrog...
journal_title:Free radical research
pub_type: 杂志文章
doi:10.1080/10715760600632545
更新日期:2006-07-01 00:00:00
abstract::Brain ischemia and the following reperfusion are important causes for brain damage and leading causes of brain morbidity and human mortality. Numerous observations exist describing the neuronal damage during ischemia/reperfusion, but the outcome of such conditions towards glial cells still remains to be elucidated. Mi...
journal_title:Free radical research
pub_type: 杂志文章
doi:10.1080/10715760600978807
更新日期:2007-02-01 00:00:00
abstract::Lipid peroxidation (LPO) product accumulation in human tissues is a major cause of tissular and cellular dysfunction that plays a major role in ageing and most age-related and oxidative stress-related diseases. The current evidence for the implication of LPO in pathological processes is discussed in this review. New d...
journal_title:Free radical research
pub_type: 杂志文章,评审
doi:10.3109/10715762.2010.498478
更新日期:2010-10-01 00:00:00
abstract::Oxidative DNA modification has been implicated in development of certain cancers and 8-oxodG, the most abundant and mutagenic DNA modification, has for some time been considered a biomarker of this activity. Urinary excretion of 8-oxodG over 24h has been used to estimate the rate of damage to DNA, and animal studies h...
journal_title:Free radical research
pub_type: 杂志文章
doi:10.1080/10715769800300601
更新日期:1998-12-01 00:00:00
abstract::Resorcinols (pentadecylresorcinol, olivetol, orcinol and resorcinol) exhibit antioxidant properties in liposomal systems. Antioxidant potency depends on the length of the alkyl chain. Pentadecylresorcinol has been demonstrated to be the most active antioxidant, indicating significance of its alkyl chain in a lipid bil...
journal_title:Free radical research
pub_type: 杂志文章
doi:10.3109/10715769809070804
更新日期:1998-04-01 00:00:00
abstract::In the present study we isolated proteasome complexes from control, mild cognitive impairment (MCI), and Alzheimer's disease (AD) subjects. No significant difference in the amount of proteasomes was detected across the different groups, although impairments in chymotrypsin-like proteasome activity was observed in AD s...
journal_title:Free radical research
pub_type: 杂志文章
doi:10.1080/10715760701286159
更新日期:2007-06-01 00:00:00
abstract::Diosgenin possesses anti-inflammatory and anticancer properties. Activated neutrophils produce high concentrations of the superoxide anion which is involved in the pathophysiology of inflammation-related diseases and cancer. In the present study, the inhibitory effect and possible mechanisms of diosgenin on superoxide...
journal_title:Free radical research
pub_type: 杂志文章
doi:10.3109/10715762.2014.966705
更新日期:2014-12-01 00:00:00
abstract::Prostaglandin E2 (PGE2) has been reported to play critical roles in cell fate decision by interacting with four types of prostanoid receptors such as EP1, EP2, EP3 and EP4. The present study was aimed at investigating the effect of the EP4-specific agonist CAY10598 in human colon cancer HCT116 cells. Our study reveale...
journal_title:Free radical research
pub_type: 杂志文章
doi:10.3109/10715762.2014.951838
更新日期:2014-11-01 00:00:00
abstract::Flavonoids, which are dietary components and have possible drug uses, inhibit lipoprotein oxidation in vitro. The present study considered whether flavonoid supplementation in humans could influence lipoprotein vulnerability to oxidation. Citrus flavonoid supplementation (about 1g/day, 3 weeks), or placebo, was given ...
journal_title:Free radical research
pub_type: 临床试验,杂志文章,随机对照试验
doi:10.1080/10715769900300341
更新日期:1999-04-01 00:00:00
abstract::Oxidatively generated damage to nucleic acids may play an important role in the pathophysiological processes of a variety of diseases. 8-oxo-7,8-dihydro-2'-deoxyguanosine (8-oxo-dGsn) and 8-oxo-7,8-dihydroguanosine (8-oxo-Gsn) are oxidatively generated products of DNA and RNA, respectively. Our previous studies have s...
journal_title:Free radical research
pub_type: 杂志文章
doi:10.1080/10715762.2017.1346249
更新日期:2017-06-01 00:00:00
abstract::The markers 3-nitrotyrosine and 3-chlorotyrosine are measured as surrogates for reactive nitrogen species and hypochlorous acid respectively, which are both elevated in inflamed human tissues. Previous studies reported a loss of 3-nitrotyrosine when exposed to hypochlorous acid, suggesting that observations of 3-nitro...
journal_title:Free radical research
pub_type: 杂志文章
doi:10.3109/10715762.2014.954110
更新日期:2014-11-01 00:00:00
abstract::Copper Fenton systems (Cu(II)/H2O2 and Cu(II)/Asc) inactivated the lipoamide reductase and enhanced the diaphorase activity of pig-heart lipoamide dehydrogenase (LADH). Cupric ions alone were less effective. As a result of Cu(II)/H2O2 treatment, the number of titrated thiols in LADH decreased from 6 to 1 per subunit. ...
journal_title:Free radical research
pub_type: 杂志文章
doi:10.3109/10715769509147543
更新日期:1995-03-01 00:00:00
abstract::Oxidized low density lipoprotein (LDL) plays an important role in atherogenesis. It is generally thought that LDL is mainly oxidized in the intima of vessel walls, surrounded by hydrophilic antioxidants and proteins such as albumin. The aim of this study was to investigate the possible interrelationships between oxida...
journal_title:Free radical research
pub_type: 杂志文章
doi:10.1080/10715760290006466
更新日期:2002-02-01 00:00:00
abstract::7,8-Dihydroneopterin protects cells intracellularly from oxidative stress-induced death, but its mode of transport across the cell membrane is unknown. Nucleosides, such as guanosine, are transported via nucleoside transporters of the equilibrative and concentrative forms. Therefore, the objective of this study was to...
journal_title:Free radical research
pub_type: 杂志文章
doi:10.1080/10715762.2020.1764948
更新日期:2020-05-01 00:00:00
abstract::Using a novel phosphorylated spin trap, 5-(diethoxyphosphoryl)-5-methyl-1-pyrroline-N-oxide (DEPMPO), an analogue of the commonly used spin trap 5,5'-dimethyl-1-pyrroline N-oxide (DMPO), we have investigated the production of oxygen radical species under illumination of thylakoids from wheat (Triticum durum Desf cv. O...
journal_title:Free radical research
pub_type: 杂志文章
doi:10.1080/10715769900301511
更新日期:1999-12-01 00:00:00
abstract::Uraemic subjects undergoing chronic haemodialysis show increased oxidative stress. The use of non-biocompatible filters and reduced antioxidative defences are important sources of reactive oxygen species (ROS) release. The highly oxidative environment accelerates the onset and progression of tissue damage and atherosc...
journal_title:Free radical research
pub_type: 杂志文章
doi:10.1080/10715760500445121
更新日期:2006-02-01 00:00:00
abstract::Hemopexin, a heme-binding serum glycoprotein, is thought to play an important role in the prevention of oxidative damage that may be catalysed by free heme. Through the use of EPR techniques, the generation of free radicals from organic hydroperoxides by heme and heme-hemopexin complexes, and the concomitant formation...
journal_title:Free radical research
pub_type: 杂志文章
doi:10.3109/10715769509065277
更新日期:1995-12-01 00:00:00