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  • ||||||||||  Preclinical, Journal:  High salt intake shifts the mechanisms of flow-induced dilation in the middle cerebral arteries of Sprague-Dawley rats. (Pubmed Central) -  Apr 10, 2020   
    These results suggest that HS intake impairs FID and changes FID mechanisms to entirely NO-dependent, in contrast to the LS group where FID is NO, prostanoid and epoxyeicosatrienoic acids (EET's) dependent. Those changes were accompanied by increased lipid peroxidation products in the plasma of HS-fed rats, increased vascular superoxide/reactive oxygen species levels and decreased NO levels; together with increased expression of HIF-1α and VEGF.
  • ||||||||||  Preclinical, Journal:  Investigation of the mechanisms of cyclooxygenase-mediated mechanoreflex sensitization in a rat model of simulated peripheral artery disease. (Pubmed Central) -  Apr 10, 2020   
    Femoral artery ligation had no effect on skeletal muscle COX protein expression or activity, or concentration of the COX metabolite prostaglandin E. Conversely, femoral artery ligation increased expression of the COX metabolite receptors endoperoxide 4 and thromboxane A-R in dorsal root ganglia tissue. We conclude that, in ligated rats, the COX pathway sensitizes the peripheral endings of mechanoreflex afferents which occurs principally as a result of increased expression of COX metabolite receptors.
  • ||||||||||  aspirin / Generic mfg.
    Journal:  Pharmaco-Genetic Screen To Uncover Actin Regulators Targeted by Prostaglandins During Drosophila Oogenesis. (Pubmed Central) -  Apr 10, 2020   
    Here we describe a pharmaco-genetic interaction screen that takes advantage of the fact that Stage 10B follicles will mature in culture and COX inhibitors, such as aspirin, block this in vitro follicle maturation...Here we present the screen results and initial follow-up studies on three strong enhancers - Enabled, Capping protein, and non-muscle Myosin II Regulatory Light Chain. Overall, these studies provide new insight into how PGs regulate both actin bundle formation and cellular contraction, properties that are not only essential for development, but are misregulated in disease.
  • ||||||||||  Journal, IO Biomarker:  Ellagitannins from Punica granatum leaves suppress microsomal prostaglandin E synthase-1 expression and induce lung cancer cells to undergo apoptosis. (Pubmed Central) -  Apr 3, 2020   
    The ellagitannins also down-regulated tumor necrosis factor α, inducible nitric oxide synthase, and anti-apoptotic factor B-cell chronic lymphocytic leukemia/lymphoma 2, and induced A549 cells to undergo apoptosis. These findings indicate that the ellagitannins have anti-inflammatory and anti-carcinogenic effects, due to their specific suppression of mPGES-1.Abbreviations: Bcl-2: B-cell chronic lymphocytic leukemia/lymphoma 2; COX: cyclooxygenase; CRE: cAMP response element; DHHDP: dehydrohexahydroxydiphenoyl; EtO: diethyl ether; EtOAc: ethyl acetate; GAPDH: glyceraldehyde 3-phosphate dehydrogenase; iNOS: inducible nitric oxide synthase; mPGES-1: microsomal prostaglandin E synthase-1; n-BuOH: water-saturated n-butanol; NSAIDs: non-steroidal anti-inflammatory drugs; NF-κB: nuclear factor-κB; PG: prostaglandin; TNF: tumor necrosis factor; TUNEL: terminal deoxynucleotidyl transferase-mediated dUTP nick end labeling.
  • ||||||||||  allopurinol / Generic mfg.
    Journal:  Anti-Inflammatory and Anti-Hyperuricemic Functions of Two Synthetic Hybrid Drugs with Dual Biological Active Sites. (Pubmed Central) -  Apr 1, 2020   
    The present study aimed to test the anti-inflammatory and xanthine oxidase inhibitory activities of two synthesized molecules and compare them to routinely prescribed nonsteroidal anti-inflammatory drugs (NSAIDs), such as diclofenac and the serum urate-lowering drug, allopurinol...In addition, the tested compounds markedly decreased paw swelling, mobilization of inflammatory cells, iNOS-, and NF-κB-immunoreactive cells in a mouse model of paw edema. Interestingly, both compounds were potent xanthine oxidase inhibitors as well as Cox inhibitors with higher activity in favor of compound B providing potential dual acting series of anti-hyperuricemic and anti-inflammatory therapeutic agents.
  • ||||||||||  nitroprusside / Generic mfg.
    Journal:  Sulodexide Promotes Arterial Relaxation via Endothelium-Dependent Nitric Oxide-Mediated Pathway. (Pubmed Central) -  Mar 31, 2020   
    SDX did not affect aortic or mesenteric artery endothelium-independent relaxation to the NO donor sodium-nitroprusside. Thus, SDX promotes arterial relaxation via a mechanism involving endothelium-dependent NO production; an effect that could enhance vasodilation and decrease vasoconstriction in vascular disorders.
  • ||||||||||  Clinical, Observational data, Journal:  The utility/futility of medications for neuropathic pain - an observational study. (Pubmed Central) -  Mar 29, 2020   
    Patients probably differ in many respects from those subjects in clinical trials. This is not to negate the use of recommended medications for NP but an indication that success rates of treatment are likely to be worse than the data coming from those trials published by the pharmaceutical industry.
  • ||||||||||  furosemide / Generic mfg., Alverix (amiloride hydrochloride) / Remedica
    Preclinical, Journal:  Effects of myricetin-3-O-α-rhamnoside (myricitrin) treatment on urinary parameters of Wistar rats. (Pubmed Central) -  Mar 29, 2020   
    This is not to negate the use of recommended medications for NP but an indication that success rates of treatment are likely to be worse than the data coming from those trials published by the pharmaceutical industry. Taking together, although the results of this study point to the diuretic potential of myricitrin, the reduction in urinary Cl and excretion should be considered in future approaches, as well as for therapeutic applicability.
  • ||||||||||  Review, Journal:  Brief Story on Prostaglandins, Inhibitors of their Synthesis, Hematopoiesis, and Acute Radiation Syndrome. (Pubmed Central) -  Mar 29, 2020   
    Progress in these efforts was obtained after discovery of selective inhibitors of inducible selective cyclooxygenase-2 (COX-2) inhibitors. Recent studies have been able to suggest the possibility to find combined therapeutical approaches utilizing joint administration of prostaglandins and inhibitors of their synthesis at optimized timing and dosing of the drugs which could be incorporated into the therapy of patients with acute radiation syndrome.
  • ||||||||||  furosemide / Generic mfg.
    NSAID-induced hyperkalemia despite normal renal function () -  Mar 27, 2020 - Abstract #NKFCSM2020NKF_CSM_38;    
    The opioid crisis has led to the liberal use of NSAIDS for managing pain. This unique case demonstrates the risks associated with this therapeutic trend in patients even with an otherwise low chance of renal, cardiovascular, or electrolyte abnormalities.
  • ||||||||||  glibenclamide / Generic mfg.
    Preclinical, Journal:  Relaxation Effect of Patchouli Alcohol in Rat Corpus Cavernous and Its Underlying Mechanisms. (Pubmed Central) -  Mar 21, 2020   
    The relaxant response to PA was not influenced by tetrodotoxin and atropine while it was significantly inhibited by removal of endothelium...The treatment of endothelium-deprived corpus cavernosum with several potassium channel blockers including tetraethylammonium (TEA), 4-aminopyridine (4-AP), and glibenclamide had no effect on PA-induced relaxation...Also, PA improved relaxant capacity of sildenafil in rat corpus cavernosum...In conclusion, PA relaxed the rat corpus cavernosum attributed to both endothelium-dependent and -independent properties. While the former component was mostly involved in nitric oxide signaling pathway, the endothelium-independent mechanism involved in PA-induced relaxation was probably linked to calcium antagonism.
  • ||||||||||  ibuprofen / Generic mfg.
    Journal:  The COX-2/PGE pathway suppresses apical elimination of RasV12-transformed cells from epithelia. (Pubmed Central) -  Mar 21, 2020   
    Moreover, caerulein-induced chronic inflammation substantially suppresses apical elimination of RasV12 cells. These results indicate that intrinsically or extrinsically mediated inflammation can promote tumour initiation by diminishing cell competition between normal and transformed cells.
  • ||||||||||  lorazepam / Generic mfg.
    Chronic Lorazepam-Induced Pro-Relaxant Signaling in ASM Cells Is Cyclooxygenase Dependent (PENNSYLVANIA CONVENTION CENTER, Room 204 A-B (200 Level)) -  Mar 15, 2020 - Abstract #ATS2020ATS_2581;    
    Chronic, but not necessarily acute, treatment of human ASM cells with lorazepam activates both COX-1 and COX-2-mediated pathway. Future studies will be aimed at examining downstream synthesis of prostaglandin E2 and the role of E-type prostanoid receptor subtypes in mediating lorazepam-induced pro-relaxant signals in ASM cells.
  • ||||||||||  quercetin (LY294002) / Eli Lilly
    Preclinical, Journal:  Shenfu Injection Promotes Vasodilation by Enhancing eNOS Activity Through the PI3K/Akt Signaling Pathway In Vitro. (Pubmed Central) -  Mar 13, 2020   
    Furthermore, it promoted the expression of total eNOS and the phosphorylation of eNOS at serine (Ser) 1177 but inhibited the phosphorylation at threonine (Thr) 495, which was significantly reversed by PI3K-specific inhibitor LY294002. In conclusion, our study showed the vasodilation effect of SFI in thoracic aorta is mediated entirely by enhancing eNOS activity through the PI3K/Akt signaling pathway, providing novel knowledge on the effect of SFI on shock and HF for future clinical applications.
  • ||||||||||  glibenclamide / Generic mfg.
    Journal:  Vasorelaxing Activity of R-(-)-3'-Hydroxy-2,4,5-trimethoxydalbergiquinol from Dalbergia tonkinensis: Involvement of Smooth Muscle CaV1.2 Channels. (Pubmed Central) -  Mar 8, 2020   
    R-(-)-3'-Hydroxy-2,4,5-trimethoxydalbergiquinol-induced vasorelaxation was antagonized by (S)-(-)-Bay K 8644 and unaffected by tetraethylammonium plus glibenclamide...R-(-)-3'-Hydroxy-2,4,5-trimethoxydalbergiquinol likely stabilized the channel in its closed state, as suggested by molecular modelling and docking simulation to the Ca1.2 channel α subunit. In conclusion, D. tonkinensis species may represent a source of agents potentially useful for the development of novel antihypertensive drugs.
  • ||||||||||  Journal:  Anti-inflammatory and antiproliferative compounds from Sphaeranthus africanus. (Pubmed Central) -  Mar 2, 2020   
    For the first-time, the diastereomeric carvotacetones (6-7) were isolated as separate compounds, and their anti-proliferative activity was determined. Selective COX-2 inhibitory, COX-2 mRNA expression and NO production inhibitory activities by some of the major constituents of S. africanus supports the traditional medical application of this plant for the treatment of inflammation-related disorders.
  • ||||||||||  glibenclamide / Generic mfg.
    Preclinical, Journal:  Marjoram Relaxes Rat Thoracic Aorta Via a PI3-K/eNOS/cGMP Pathway. (Pubmed Central) -  Feb 26, 2020   
    Blockers of ATP-sensitive or Ca2+-activated potassium channels such as glibenclamide or tetraethylamonium (TEA), respectively, did not significantly affect OME-induced relaxation...Our findings further support the medicinal value of marjoram and provide a basis for its beneficial intake. Although consuming marjoram may have an antihypertensive effect, further studies are needed to better determine its effects in different vascular beds.
  • ||||||||||  Review, Journal:  Prostaglandin-cytokine crosstalk in chronic inflammation. (Pubmed Central) -  Feb 25, 2020   
    In addition, PGs are also involved in tissue remodelling such as fibrosis and angiogenesis. In this article, we review these findings and discuss their relevance to human diseases.
  • ||||||||||  Journal:  The discovery of quinoline-3-carboxamides as hematopoietic prostaglandin D synthase (H-PGDS) inhibitors. (Pubmed Central) -  Feb 20, 2020   
    A systematic substitution of the amine moiety of 1d, utilizing structural information and array chemistry, with modifications to improve inhibitor stability, resulted in the identification of the 300-fold more active H-PGDS inhibitor tool compound 1bv (IC = 9.9 nM, LE = 0.42). This selective inhibitor exhibited good murine pharmacokinetics, dose-dependently attenuated PGD production in a mast cell degranulation assay and should be suitable to further explore H-PGDS biology.
  • ||||||||||  methotrexate / Generic mfg.
    Journal:  Accelerated Atherosclerosis in Rheumatoid Arthritis: Mechanisms and Treatment. (Pubmed Central) -  Feb 14, 2020   
    These results provide a structural basis for the further design and optimization of conjugated COX reagents for imaging of malignant or inflammatory tissues containing high COX-2 levels. Greater understanding of the pharmacologic activity of RA treatments on the atherosclerotic process may lead to improved care, addressing both damage to the joints and damage to the heart.