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Showing 1-26 of 26 results for "M9940" within Papers
A Wolfárd et al.
Magyar sebeszet, 53(6), 247-252 (2001-04-13)
The aim of our study was to investigate the role of endothelial and inducible nitric oxide synthase (eNOS and iNOS) and granulocytes during hyperdynamic endotoxemia, and to study the cardiovascular effects of the non-selective NOS-inhibitor N-omega-nitro L-arginine methylester (L-NAME) and
Mustafa Ozturk et al.
Journal of pineal research, 50(1), 89-96 (2010-11-11)
Doxorubicin (DOX) and Trastuzumab (TRAST) are effective agents for the treatment of many neoplastic diseases. Cardiotoxicity is a major side effect of these drugs and limit their use. In this study, the possible protective effects of melatonin (MEL), mercaptoethylguanidine (MEG)
Christian Kellner et al.
Cancer letters, 215(1), 43-52 (2004-09-18)
We investigated the early events involved in loss of mitochondrial membrane potential (DeltaPsi(mt)) leading to apoptosis in cells derived from patients with acute lymphocytic leukemia after exposure to phenolic antioxidants. Using the nitric oxide binding dye diaminofluorescein-FM diacetate, we found
J E Irazuzta et al.
Life sciences, 67(4), 365-372 (2000-09-26)
Reactive oxygen and nitrogen species participate in the inflammatory process during meningitis. Among them, superoxide, nitric oxide (NO), and their reaction product peroxynitrite exert cytotoxic effects. Mercaptoethylguanidine (MEG) exerts beneficial effects in in vivo inflammatory conditions by scavenging peroxynitrite and
M Kiroycheva et al.
Journal of the American Society of Nephrology : JASN, 11(6), 1026-1032 (2000-05-23)
Previous studies in beta(s) sickle cell mice demonstrated renal immunostaining for nitrotyrosine, which is putative evidence of peroxynitrite (ONOO(-)) formation. ONOO(-) is known to nitrate tyrosine residues of various enzymes, thereby interfering with phosphorylation and inactivating them. The present study
K Soejima et al.
American journal of respiratory and critical care medicine, 163(3 Pt 1), 745-752 (2001-03-20)
Patients with severe burn and/or smoke inhalation injury suffer both systemic and pulmonary vascular hyperpermeability. We hypothesized that nitric oxide (NO) produced by inducible nitric oxide synthase (iNOS) plays a role in the changes in microvascular permeability seen with this
The effect of inducible nitric oxide synthase (iNOS) inhibition on smoke inhalation injury in sheep.
K Soejima et al.
Shock (Augusta, Ga.), 13(4), 261-266 (2000-04-25)
Recent studies on smoke inhalation injury have been focused on nitric oxide (NO) as an essential factor of progressive lung injury. We studied the effects of inducible nitric oxide synthase (iNOS) inhibition on inhalation injury in sheep. Sheep (n =
B Zingarelli et al.
The Journal of pharmacology and experimental therapeutics, 287(3), 1048-1055 (1998-12-24)
The effect of mercaptoethylguanidine (MEG), a selective inhibitor of the inducible nitric oxide synthase and peroxynitrite scavenger, was evaluated in a rat model of colonic injury. A single intracolonic administration of trinitrobenzene sulfonic acid (TNBS, 20 mg/kg) dissolved in ethanol
G S Scott et al.
Neuroscience letters, 311(2), 125-128 (2001-09-25)
Peroxynitrite has been implicated in the pathogenesis of multiple sclerosis and its animal counterpart experimental allergic encephalomyelitis (EAE). Here we have examined the effects of the novel peroxynitrite scavengers, mercaptoethylguanidine (MEG) and guanidinoethyldisulphide (GED), on the development of EAE. Both
A Wolfárd et al.
Shock (Augusta, Ga.), 13(1), 46-51 (2000-01-19)
In our study the pathomechanism of sepsis-induced early myocardial depression was investigated. We determined the effects of the inducible nitric oxide synthase inhibitor and free radical scavenger mercaptoethylguanidine (MEG) on the myocardial contractility, the endothelial and inducible nitric oxide synthase
Takeo Anazawa et al.
Arteriosclerosis, thrombosis, and vascular biology, 24(9), 1652-1658 (2004-07-24)
We investigated the role of inducible NO synthase (iNOS) in intimal thickening with exposure to cigarette smoke (CS). Intimal thickening in wild-type (WT) and iNOS-deficient (iNOS-/-) mice subjected to CS exposure was induced by placement of a cuff around the
Zhao-Lin Que et al.
Bioorganic & medicinal chemistry letters, 23(6), 1793-1796 (2013-02-14)
A series of mercaptoethylleonurine and mercaptoethylguanidine derivatives were designed and synthesized. Their neuroprotective effects toward H2O2-induced apoptosis were investigated in human SH-SY5Y cells. The results from these studies identified several potent compounds, with compound 8k emerging as the most effective.
Steve Lancel et al.
Journal of the American College of Cardiology, 43(12), 2348-2358 (2004-06-15)
The aim of this study was to test whether peroxynitrite neutralizers would reduce peroxynitrite accumulation and improve myocardial contractile dysfunction and inflammation in endotoxin-treated rats. Release of endogenous proinflammatory cytokines such as tumor necrosis factor (TNF)-alpha in response to endotoxin
Jeffrey D Rimer et al.
Urolithiasis, 45(1), 57-74 (2016-12-04)
The formation of crystal aggregates, one of the critical processes in kidney stone pathogenesis, involves interactions between crystals (predominantly calcium oxalate monohydrate, COM) and urinary constituents (e.g., proteins), which serve as an adhesive "glue" between crystals in stones. To develop
Xiangyu Wang et al.
Cell death & disease, 12(4), 402-402 (2021-04-16)
Caspase-11, a cytosolic lipopolysaccharide (LPS) receptor, mediates lethal immune responses and coagulopathy in sepsis, a leading cause of death worldwide with limited therapeutic options. We previously showed that over-activation of caspase-11 is driven by hepatocyte-released high mobility group box 1
David W Paquette et al.
Journal of periodontology, 77(3), 385-391 (2006-03-04)
Nitric oxide is a free radical produced in host tissues by constitutive and inducible forms of the enzyme nitric oxide synthase. Nitric oxide plays physiological roles, but it is also involved in the pathophysiology of several inflammatory conditions, including arthritis
Ahmet Guven et al.
Renal failure, 30(7), 747-754 (2008-08-16)
Nitric oxide (NO) and peroxynitrite (OONO-) are implicated in the pathophysiology of renal ischemia/reperfusion (I/R). The aim of this study was to investigate and compare the efficiency of S-methylisothiourea (SMT), an iNOS inhibitor, and mercaptoethylguanidine (MEG), a scavenger of peroxynitrite
K Soejima et al.
Burns : journal of the International Society for Burn Injuries, 27(8), 809-815 (2001-11-24)
This study tested the hypothesis that nitric oxide (NO) synthesized from inducible NO synthase (iNOS) is responsible for the cardiac dysfunction observed after burn and smoke inhalation injury. Twelve sheep received 40% third-degree burn and smoke inhalation under halothane anesthesia.
Shabbir M Moochhala et al.
The Journal of trauma, 59(2), 450-457 (2005-11-19)
The present study examined the temporal expression of nitric oxide synthase (iNOS) and cyclo-oxygenase (COX)-2 in rat brains after traumatic brain injury (TBI). We studied the effects of mercaptoethylguanidine (MEG), a dual inhibitor of the inducible iNOS and COX with
Farzaneh Daghigh et al.
Journal of periodontology, 73(4), 392-400 (2002-05-07)
Although nitric oxide (NO) synthesis is increased in periodontal disease (PD), little is known about the possible sources of production by gingival tissues. In fact, gingival tissues from patients with periodontitis demonstrate greater levels of inducible nitric oxide (iNOS) expression
Wiaam Badn et al.
Journal of immunology (Baltimore, Md. : 1950), 179(6), 4231-4238 (2007-09-06)
High-grade gliomas are one of the most aggressive human tumors with <1% of patients surviving 5 years after surgery. Immunotherapy could offer a possibility to eradicate remnant tumor cells after conventional therapy. Experimental immunotherapy can induce partial cure of established
N Bank et al.
Kidney international, 58(1), 82-89 (2000-07-08)
In previous studies of transgenic sickle cell mice, increased renal expression of inducible nitric oxide synthase (iNOS) and endothelial cell isoform of NOS (EcNOS) was found by Western blot and immunohistochemistry. In addition, putative evidence of peroxynitrite (ONOO-) formation was
M C Martínez et al.
Biochemical pharmacology, 61(1), 109-118 (2001-01-04)
Aminoethylisothiourea (AET) is a potent inhibitor of inducible nitric oxide synthase (NOS). The present study was performed to investigate whether AET and its rearrangement products might modulate vascular contraction independently of its effects as a NOS inhibitor in rat small
Ahmet Guven et al.
Journal of pediatric surgery, 46(9), 1746-1752 (2011-09-21)
After ingestion of caustic material, tissue damage is caused by reactive oxygen species and reactive nitrogen species such as peroxynitrite. Mercaptoethylguanidine (MEG) is a well-known scavenger of peroxynitrite. This study was designed to determine whether MEG has a beneficial effect
M Whiteman et al.
British journal of pharmacology, 126(7), 1646-1652 (1999-05-14)
1. Peroxynitrite is a cytotoxic species that can be formed, among other mechanisms, by the rapid reaction of superoxide with nitric oxide. Peroxynitrite formation has been implicated in a wide range of neurodegenerative and chronic inflammatory diseases, as has the
A Szabó et al.
Critical care medicine, 27(7), 1343-1350 (1999-08-14)
In rodent models, enhanced formation of nitric oxide and formation of peroxynitrite have been implicated in the pathogenesis of various forms of shock. Here we examined the effect of mercaptoethylguanidine (MEG), an inducible nitric oxide synthase inhibitor and peroxynitrite scavenger
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