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Dino Premilovac et al.
Diabetologia, 57(12), 2586-2595 (2014-09-13)
High sodium (HS) effects on hypertension are well established. Recent evidence implicates a relationship between HS intake and insulin resistance, even in the absence of hypertension. The aim of the current study was to determine whether loss of the vascular
Li-Min Liu et al.
Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association, 70, 179-184 (2014-05-23)
Chinese herbal medicinal plants, Euonymus laxiflorus (EL), Rubia lanceolata (RL) and Gardenia jasminoides (GJ), have been used wildly to treat arthritis and gout in Taiwan for decades. To understand the beneficial effects of these three plants, their xanthine oxidase (XO)
Sun-Hwa Song et al.
Cardiovascular research, 103(1), 147-155 (2014-04-22)
Reactive oxygen species (ROS) are involved in a wide range of cellular processes. However, few studies have examined the generation and function of ROS in human embryonic vascular development. In this study, the sources of ROS and their roles in
Qiang Mao et al.
Parasitology research, 114(2), 659-670 (2014-11-22)
Clonorchiasis, caused by direct and continuous contact with Clonorchis sinensis, is associated with hepatobiliary damage, inflammation, periductal fibrosis, and the development of cholangiocarcinoma. Hepatic stellate cells respond to liver injury through production of proinflammatory mediators which drive fibrogenesis; however, their
Hongmei Yu et al.
Experimental cell research, 333(1), 127-135 (2015-02-24)
Mucus hypersecretion is the key manifestation in patients with chronic inflammatory airway diseases and mucin 5AC (MUC5AC) is a major component of airway mucus. Matrix metalloproteinases (MMP)-9, have been found to be involved in the pathogenesis of inflammatory airway diseases.
Jennifer J DuPont et al.
American journal of physiology. Renal physiology, 306(12), F1499-F1506 (2014-04-25)
Oxidative stress promotes vascular dysfunction in chronic kidney disease (CKD). We utilized the cutaneous circulation to test the hypothesis that reactive oxygen species derived from NADPH oxidase and xanthine oxidase impair nitric oxide (NO)-dependent cutaneous vasodilation in CKD. Twenty subjects
Caroline Camaré et al.
British journal of pharmacology, 172(1), 106-118 (2014-09-02)
Neovascularization occurring in atherosclerotic lesions may promote plaque expansion, intraplaque haemorrhage and rupture. Oxidized LDL (oxLDL) are atherogenic, but their angiogenic effect is controversial; both angiogenic and anti-angiogenic effects have been reported. The angiogenic mechanism of oxLDL is partly understood
Xiao-Hui Wu et al.
Phytotherapy research : PTR, 28(12), 1822-1828 (2014-08-08)
The roots and rhizomes of Smilax riparia, called 'Niu-Wei-Cai' in traditional Chinese medicine, are believed to be effective in treating the symptoms of gout. However, the active constituents and their uricosuric mechanisms are unknown. In this study, we isolated two
Kanika V Choughule et al.
Drug metabolism and disposition: the biological fate of chemicals, 42(8), 1334-1340 (2014-05-16)
Anticancer agent 6-mercaptopurine (6MP) has been in use since 1953 for the treatment of childhood acute lymphoblastic leukemia (ALL) and inflammatory bowel disease. Despite being available for 60 years, several aspects of 6MP drug metabolism and pharmacokinetics in humans are
Valentina Galbiati et al.
The Journal of investigative dermatology, 134(11), 2719-2727 (2014-05-02)
Keratinocytes have a key role in all phases of allergic contact dermatitis. We have recently identified the possibility to use IL-18 production for the in vitro identification of contact allergens. The purpose of this study was to characterize the molecular
Alexandros Pechlivanis et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 966, 127-131 (2014-03-13)
Exhaustive exercise is a generator of free radicals and reactive species in mammals. Allopurinol is a known inhibitor of xanthine oxidase, a source of free radicals during exercise. In this study, the influence of allopurinol on the metabolic profile of
Sotiria Tsirmoula et al.
Microvascular research, 98, 74-81 (2015-01-15)
Pleiotrophin (PTN) is a heparin-binding growth factor that induces cell migration through binding to its receptor protein tyrosine phosphatase beta/zeta (RPTPβ/ζ) and integrin alpha v beta 3 (ανβ3). In the present work, we studied the effect of PTN on the
Qi-Tao Huang et al.
Cellular physiology and biochemistry : international journal of experimental cellular physiology, biochemistry, and pharmacology, 35(4), 1654-1662 (2015-04-01)
Preeclampsia was characterized by excessive thrombin generation in placentas and previous researches showed that thrombin could enhance soluble Fms-like tyrosine kinase 1 (sFlt-1) expression in first trimester trophoblasts. However, the detailed mechanism for the sFlt-1 over-production induced by thrombin was
Sarah C Schock et al.
Biochemical and biophysical research communications, 450(1), 912-917 (2014-07-01)
Circulating microparticles (MPs) are involved in many physiological processes and numbers are increased in a variety of cardiovascular disorders. The present aims were to characterize levels of MPs in a rodent model of chronic cerebral hypoperfusion (CCH) and to determine
Christine Feillet-Coudray et al.
Free radical research, 48(10), 1232-1246 (2014-07-30)
The prevalence of metabolic syndrome (MetS) components including obesity, dyslipidemia, insulin resistance (IR), and hepatic steatosis is rapidly increasing in wealthy societies. It is accepted that inflammation/oxidative stress are involved in the initiation/evolution of the MetS features. The present work
Timothy Pearson et al.
PloS one, 9(5), e96378-e96378 (2014-05-31)
Skeletal muscle generation of reactive oxygen species (ROS) is increased following contractile activity and these species interact with multiple signaling pathways to mediate adaptations to contractions. The sources and time course of the increase in ROS during contractions remain undefined.
Li-Ting Liao et al.
Clinica chimica acta; international journal of clinical chemistry, 436, 72-77 (2014-05-13)
Uric acid measurement has become increasingly important, and electrochemically modified detection method based portable devices hold a dominant position in the market for point of care and self-monitoring of uric acid blood levels. However, there has been a lack of
Annette Ives et al.
Nature communications, 6, 6555-6555 (2015-03-25)
Activation of the NLRP3 inflammasome by microbial ligands or tissue damage requires intracellular generation of reactive oxygen species (ROS). We present evidence that macrophage secretion of IL1β upon stimulation with ATP, crystals or LPS is mediated by a rapid increase
Lisa K Stamp et al.
Rheumatology (Oxford, England), 53(11), 1958-1965 (2014-06-06)
The aims of this study were to establish whether, in patients with gout, MPO is released from neutrophils and urate is oxidized to allantoin and if these effects are attenuated by allopurinol. MPO, urate, allantoin and oxypurinol were measured in
Kazuko Inoue et al.
Drug metabolism and disposition: the biological fate of chemicals, 42(8), 1326-1333 (2014-06-11)
Lenvatinib is a multityrosine kinase inhibitor that inhibits vascular endothelial growth factor receptors, and is being developed as an anticancer drug. P450s are involved in one of the elimination pathways of lenvatinib, and mono-oxidized metabolites, such as N-oxide (M3) and
Hany M El-Bassossy et al.
Journal of diabetes research, 2015, 178540-178540 (2015-03-19)
The aim of the current study was to evaluate the possible protective effect of allopurinol (Allo) on experimentally induced insulin resistance (IR) and vascular complications. Rats were divided into four groups: control, IR, allopurinol-treated IR (IR-Allo), and allopurinol-treated control (Allo).
Yun Jiang et al.
Meat science, 102, 22-26 (2014-12-20)
High pressure processing (HPP) has previously been shown to be effective at reducing Escherichia coli O157:H7 in meat products. However, few studies have determined whether HPP may be effective at reducing non-O157:H7 Shiga toxin-producing E. coli (STEC) in ground beef.
Bradley N Plummer et al.
Circulation. Arrhythmia and electrophysiology, 8(1), 165-173 (2014-12-11)
In myocardial infarction (MI), repolarization alternans is a potent arrhythmia substrate that has been linked to Ca2+ cycling proteins, such as sarcoplasmic reticulum Ca2+ ATPase (SERCA2a), located in the sarcoplasmic reticulum. MI is also associated with oxidative stress and increased
Erica M Hill et al.
Journal of clinical rheumatology : practical reports on rheumatic & musculoskeletal diseases, 21(3), 120-125 (2015-03-26)
Traditionally, allopurinol is not initiated during an acute gout attack to avoid prolonging the painful arthritis. The 2012 American College of Rheumatology Guidelines for the Management of Gout suggest that urate-lowering therapy can be started during an acute attack, based
Hirokazu Wakuda et al.
Biological & pharmaceutical bulletin, 37(12), 1866-1871 (2014-12-03)
Although hyperlipidemia, high blood pressure, and diabetes increase the risk of arteriosclerosis, it is not clear whether hyperuricemia increases the risk of arteriosclerosis or not. We examined the effects of uric acid and curative drugs for hyperuricemia on atherosclerosis-susceptible C57BL/6J
Daisuke Kadowaki et al.
Biological & pharmaceutical bulletin, 38(3), 487-492 (2015-03-12)
Uric acid exerts an important antioxidant effect against external oxidative stress under physiological conditions. However, uric acid itself can increase oxidative stress via reduced nicotinamide adenine dinucleotide phosphate (NADPH) oxidase activation in adipocytes and vascular cells. Uric acid transporter 1
Xian Zhang et al.
Antioxidants & redox signaling, 22(10), 848-870 (2015-01-21)
Increased fructose consumption predisposes the liver to nonalcoholic fatty liver disease (NAFLD), but the mechanisms are elusive. Thioredoxin-interacting protein (TXNIP) links oxidative stress to NOD-like receptor family, pyrin domain containing 3 (NLRP3) inflammasome activation and this signaling axis may be
Sivareddy Kotla et al.
Free radical biology & medicine, 76, 147-162 (2014-08-26)
15(S)-Hydroxyeicosatetraenoic acid (15(S)-HETE), the major 15-lipoxygenase 1/2 (15-LO1/2) metabolite of arachidonic acid (AA), induces CD36 expression through xanthine oxidase and NADPH oxidase-dependent ROS production and Syk and Pyk2-dependent STAT1 activation. In line with these observations, 15(S)-HETE also induced foam cell
Go Suzuki et al.
Neurologia medico-chirurgica, 55(1), 77-85 (2015-03-07)
Global cerebral ischemia and reperfusion (I/R) often result in high mortality. Free radicals play an important role in global cerebral I/R. Xanthine oxidoreductase (XOR) inhibitors, such as allopurinol, have been reported to protect tissues from damage caused by reactive oxygen
Junxia Su et al.
Archives of pharmacal research, 37(10), 1336-1344 (2014-05-29)
Rhizoma Dioscoreae septemlobae (RDSE) has been widely used for the treatment of hyperuricemia in China. However, the therapeutic mechanism has been unknown. This study investigated the antihyperuricemic mechanisms of the extracts obtained from RDSE and its main component dioscin (DIS)
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