• The effects of the P2 receptor antagonists suramin and PPADS, the P2Y14 receptor antagonist PPTN, and the P2Y6 receptor antagonist MRS2578, were investigated. (nottingham.ac.uk)
  • Using the optimized circumstances, Michaelis-Menten constants (ideals for NTPDase1, 2 and 3 acquired for reactive blue 2, PPADS, suramin, and "type":"entrez-protein","attrs":"text message":"ARL67156″,"term_id":"1186396857″,"term_text message":"ARL67156″ARL67156, using the in-capillary electrophoresis technique. (bioinf.org)
  • For example, P2X7 inhibition studies by suramin, KN-62, oATP, PPADS, and BBG have IC50 values that vary by 10- to 20- fold based on the agonist used, and the extracellular conditions to which they are uncovered [48, 96, 120]. (afl-journal.org)
  • An inward current (Ix) was identified and this current was blocked by the P2 receptor antagonist, suramin, and inhibited by the ATP-degrading enzyme, apyrase. (ucl.ac.uk)
  • The response to ATP was inhibited by the nonselective P2X purinergic antagonist suramin and by oxidized ATP, a potent P2Z/P2X(7) receptor antagonist. (ac.be)
  • To exemplify potential studies on ion channels, we characterized voltage-gated sodium channels and their inhibition by tetrodotoxin, saxitoxin and lidocaine, as well as their opening by the plant alkaloid veratridine and the food-relevant marine biotoxin ciguatoxin. (uni-konstanz.de)
  • At rat P2X4, reduced extracellular sodium had a biphasic action (potentiation, then inhibition) on ATP signalling, which was insensitive to acidification but was intensified by adding calcium. (ucl.ac.uk)
  • The mechanism of action for suramin is unclear, but it is thought that parasites are able to selectively uptake suramin via receptor-mediated endocytosis of drug that is bound to low-density lipoproteins and, to a lesser extent, other serum proteins. (wikipedia.org)
  • Once inside parasites, suramin combines with proteins, especially trypanosomal glycolytic enzymes, to inhibit energy metabolism. (wikipedia.org)
  • Forskolin-induced VASP-phosphorylation was reduced in porcine coronary arteries exposed to UDP-glucose and MRS2690, consistent with P2Y14 receptor coupling to Gi/o proteins and inhibition of adenylyl cyclase activity. (nottingham.ac.uk)
  • Both analogs 6 and 9 are active at noncytotoxic doses, exhibit slightly higher potencies for the RT of HIV-2 over HIV-1, and demonstrate activities superior to the hexasulfonic acid derivative suramin (IC50 values of 9.4 and 15.5 microM for HIV-1 and HIV-2 RT, respectively). (neb.com)
  • The effects of blockade of purinoceptors with suramin, or blockade of HIF-1α hydroxylation by suppressing prolyl hydroxylase (PAH) activity on the endogenous NO release measured electrochemically by microsensor inserted into the isolated carotid body superfused with bicarbonate-buffer were examined. (openbiochemistryjournal.com)
  • 2021, Jan). Targeting inhibition of CCR5 on improving obesity-associated insulin resistance and impairment of pancreatic insulin secretion in high fat-fed rodent models. (ndmctsgh.edu.tw)
  • Angiogenesis inhibitor through angiogenin secretion inhibition [10]. (adipogen.com)
  • The synthesis of suramin itself and structural analogs is by successive formation of the amide bonds from their corresponding amine (aniline) and carboxyl (as acyl chloride) components. (wikipedia.org)
  • Synthesis and inhibition of HIV-1 induced cytopathogenesis and HIV-1 and HIV-2 reverse transcriptase activities. (neb.com)
  • Biological significance of these compounds include anti-bacterial, anti-thrombotic and vasodilatory, anti-mutagenic, lipoxygenase and cyclooxygenase inhibition, scavenging of reactive oxygen species, and anti-tumourigenic. (biomedcentral.com)
  • Suramin uncommonly affects the eyes causing watery eyes, swelling around the eyes, photophobia, and changes or loss of vision. (wikipedia.org)
  • Inhibition of either FGFA, FGFR1 or FGFR2 function severely affects morphogenesis of the skeleton. (biologists.com)
  • The extract also showed a dose dependent growth inhibition of all tested cell lines, IC 50 values against HCT-116, HUVEC, CCD-18CO and HT-29 were 14, 23, 50 and 52 μg mL -1 , respectively. (scialert.net)
  • Suramin did not change the resting NO level under normoxic conditions but it significantly decreased the hypoxia-induced NO elevation in a dose-dependent manner. (openbiochemistryjournal.com)
  • Suramin is a medication used to treat African sleeping sickness and river blindness. (wikipedia.org)
  • NF449, a sulfated compound produced from the antiparasitic medication suramin, once was reported to inhibit infection by enterovirus A71 (EV-A71). (mindunwindart.com)
  • Inhibition was noticed when NF449 was added in the beginning of illness, however, not after 2 hrs, recommending that the medication acts at an early on stage in the disease life routine. (mindunwindart.com)
  • Suramin does not distribute well into cerebral spinal fluid and its concentration in the tissues is equivalently lower than its concentration in the plasma. (wikipedia.org)
  • 4% of compounds examined showed action greater than 50% inhibition at a concentration of two uM from the hypo xanthine incorporation assay at 48 hours. (faksignaling.com)
  • Suramin has been applied clinically to HIV/AIDS patients resulting in a significant number of fatal occurrences and as a result the application of this molecule was abandoned for this condition. (wikipedia.org)
  • Piritrexim is usually a dihydrofolate reductase inhibitor and lurtotecan a topoisomerase I inhibitor and neither molecule demonstrated a significant possible thera peutic window concerning inhibition on the parasite and inhibition of tumor derived cell lines. (faksignaling.com)
  • Noguchi K, Uemura H, Harada M et al (2001) Inhibition of PSA flare in prostate cancer patients by administration of flutamide for 2 weeks before initiation of treatment with slow-releasing LH-RH agonist. (springer.com)
  • At 100 μg mL -1 , the extract showed 94±5.5% inhibition of the outgrowth of the blood vessels from the rat aorta rings. (scialert.net)
  • The presence of suramin and prazosin were not significantly increase the inhibition caused by the FE extract, while Ca 2+ and ATP significantly increased the inhibition by the FE extract. (arccjournals.com)
  • This included receptor sub-typing and the characterization of the anti-parasitic drug suramin as modulator of the cellular response to ATP. (uni-konstanz.de)
  • Naviaux wants to plug the leaks in the cell wall using Suramin, which is an old anti-parasite drug made by Bayer, the giant German company. (epiphanyasd.com)
  • inhibition reduced and potentiated, respectively, 5-HT-induced reactions. (nonamimaho.com)
  • Suramin is used for treatment of human sleeping sickness caused by trypanosomes. (wikipedia.org)
  • Reversible inhibition of normal human prokeratinocyte proliferation by type beta transforming growth factor-growth inhibitor in serum-free medium. (academicinfluence.com)
  • however, the pharmacokinetics of suramin can vary substantially between individual patients. (wikipedia.org)
  • The WHO has recommended that suramin not be used to treat onchocerciasis in individuals who are elderly or infirm or in patients with severe liver or renal disease. (medscape.com)
  • These inhibitors act on a variety of SIRTs, strengthening the idea that the concomitant inhibition of several SIRTs may contribute to a reduction in malignant growth [ 23 ]. (biomedcentral.com)
  • In regions of the world where the disease is common suramin is provided for free by the World Health Organization (WHO). (wikipedia.org)
  • Cobos, S.N and Torrente, M.P.^ Epidrugs in Amyotrophic Lateral Sclerosis and Frontotemporal Dementia: Contextualizing a Role for Histone Kinase Inhibition in Neurodegenerative Disease. (cuny.edu)
  • Suramin was made at least as early as 1916. (wikipedia.org)
  • Suramin was first made by the chemists Oskar Dressel, Richard Kothe and Bernhard Heymann at Bayer AG laboratories in Elberfeld, after research on a series of urea-like compounds. (wikipedia.org)
  • Randomized clinical trial of low dose suramin intravenous infusions for treatment of autism spectrum disorder. (ucdavis.edu)
  • Suramin can also cause loss of appetite and irritability. (wikipedia.org)
  • have reported anti-carcinogenic activity of both koetjapic acid and 3-oxo-olean-12-en-29-oic acid. (scialert.net)