pyridines

..A preliminary study suggested that sorafenib, an oral multikinase inhibitor of the vascular endothelial growth factor receptor, the platelet-derived growth factor receptor, and Raf may be effective in hepatocellular carcinoma...

..Warfarin reduces the risk of stroke in patients with atrial fibrillation but increases the risk of hemorrhage and is difficult to use. Dabigatran is a new oral direct thrombin inhibitor...

..These data demonstrate that BAY 43-9006 is a novel dual action RAF kinase and VEGFR inhibitor that targets tumor cell proliferation and tumor angiogenesis...

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..In a phase 1 clinical trial, we assessed the safety and pharmacokinetics of GDC-0449, a small-molecule inhibitor of SMO, and responses of metastatic or locally advanced basal-cell carcinoma to the drug...

..We demonstrate that the protective ability of Y-27632 enables SFEB-cultured hES cells to survive and differentiate into Bf1(+) cortical and basal telencephalic progenitors, as do SFEB-cultured mouse ES cells...

..Coactivation of p38 in DRG neurons and spinal microglia may contribute to later phases of neuropathic pain...

..This effect represents, together with phosphorylation of nucleosome components such as histone H3, an essential step leading to selective transcriptional activation of NF-kappaB-dependent gene expression...

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..The challenges and outlook for drugging the PI3 kinome are discussed in the more general context of the role of structural biology and chemical biology in innovative drug discovery...

..The direct oral thrombin inhibitor dabigatran has a predictable anticoagulant effect and may be an alternative therapy to warfarin for patients who have acute venous thromboembolism...

..The worldwide site distribution and broad range of stroke risk further increase the general applicability of the trial. Results are expected in 2009...

..This phase II study of sorafenib, an oral multikinase inhibitor that targets Raf kinase and receptor tyrosine kinases, assessed efficacy, toxicity, pharmacokinetics, and biomarkers in advanced hepatocellular carcinoma (HCC) patients...

..i.d.). Ongoing trials in advanced melanoma are evaluating sorafenib combination therapies...

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..Binding of the pyridinyl-imidazole compounds inhibited CSBP kinase activity and could be directly correlated with their ability to inhibit cytokine production, suggesting that the CSBPs are critical for cytokine production...

..Based on the pivotal role of Ras-Raf-MAP-ERK signaling and vascular endothelial growth factor (VEGF) in papillary thyroid cancer (PTC), we conducted a phase II clinical trial of sorafenib targeting RAF and VEGF receptor kinases in PTC...

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..Based on these findings, continuous daily 400 mg bid sorafenib was chosen as the optimal regimen for phase II/III studies. Trials are ongoing in renal cell carcinoma, hepatocellular carcinoma, melanoma, and non-small cell lung cancer...

..There was no indication of increased intracranial or extracranial haemorrhage with dabigatran etexilate compared to antiplatelet agents...

..This phase I trial assessed GDC-0449 treatment in patients with solid tumors refractory to current therapies or for which no standard therapy existed...

..This study demonstrates that dabigatran etexilate is a highly cost-effective alternative to current care for the prevention of stroke and systemic embolism among Canadian AF patients...

..This phase II study evaluated the efficacy and safety of sorafenib plus dacarbazine in patients with advanced melanoma...

..5 mg/kg) locomotor activity in mice and prepulse inhibition in rats (1, 3, or 10 mg/kg). Thus, these findings indicate that MPEP exhibits anxiolytic-like effects and low risks for sedation and psychotomimetic side-effects in rodents...

..Further evaluation of sorafenib in these and possibly other sarcoma subtypes appears warranted, presumably in combination with cytotoxic or kinase-specific agents...

..These results demonstrate that fenobam is analgesic in mice and has an improved in vivo selectivity for mGlu5 over MPEP...

..Thus, these studies identify the mechanistic underpinnings by which mutant (V599E)B-RAF promotes melanoma development and show the effectiveness of targeting this protein to inhibit melanoma tumor growth...

..We conclude that WP1066 holds promise as a therapeutic agent against malignant gliomas...

..These results indicate that sunitinib, but not sorafenib, is suitable for combination with immunotherapeutic approaches for treatment of cancer patients...

..Two double-blind, randomized trials were undertaken to investigate the pharmacokinetics (PK), pharmacodynamics (PD) and tolerability of orally administered dabigatran etexilate in healthy male subjects...

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..We compared these two combinations directly in treatment-naive patients...

..We examined here whether neuroadaptive dysregulation of metabotropic glutamate receptor function is a factor in escalating cocaine self-administration...

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..Collectively, these data illustrate the potential clinical utility of inhibitors of NPM-ALK in treatment of patients with ALK-positive ALCL...

..In particular, preclinical evidence that supports the different mechanisms of action of sorafenib is discussed...

..Funded by Pfizer and others; ClinicalTrials.gov number, NCT00585195.)...

..Our findings highlight the importance of studying drug resistance mechanisms in order to develop effective clinical treatments for patients with ALK-translocated cancers...

..Thus, we have developed a model of acquired resistance to ALK inhibitors and have shown that second-generation ALK TKIs or Hsp90 inhibitors are effective in treating crizotinib-resistant tumors harboring secondary gatekeeper mutations...

..Montville, NJ, and Onyx Pharmaceuticals Corp., Emeryville, CA), an oral kinase inhibitor, for the treatment of patients with unresectable hepatocellular carcinoma (HCC)...

..Our findings suggest that antagonists of mGluR5 receptors may have selective therapeutic efficacy in treating repetitive behaviors in autism...

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..Results/conclusion: Long-standing efforts in this field should soon result in the finding of new molecules that might be applicable to situations ranging from neurological diseases to immune treatments...

..This study evaluated the safety, tolerability, and effects on MRI parameters of 2 different doses of ibudilast in relapsing forms of MS...

..The results confirmed that Y-27632 is a useful agent that aids in the expansion of undifferentiated hESC numbers for downstream applications in regenerative medicine...

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..Because most ER-negative breast tumors express mutant p53, our results provide the foundation for future development of p38 inhibitors to target p38 for the treatment of p53 mutant and ER-negative breast cancers...

..The objective of this study was to independently evaluate the objective response rate of sorafenib and sorafenib plus low-dose interferon-alfa 2b (IFN) as frontline therapy in patients with metastatic renal cell carcinoma (mRCC)...

..It was successfully tested in a phase-I clinical trial demonstrating good pharmacodynamic (PD) and pharmacokinetic (PK) properties and showing objective response and clinical benefit in several patients with basal cell carcinoma...

..Conclusion: ADAM9 is involved in MICA ectodomain shedding in HCC cells, and sorafenib can modulate ADAM9 expression. Sorafenib therapy may have a previously unrecognized effect on antitumor immunity in patients with HCC...

..5 and 5 mg/kg inhibited fear conditioning in the FPS when tested 24 h later. In contrast, EMQMCM was ineffective. Our findings suggest diverse involvement of mGlu1 and mGlu5 receptors in negatively reinforced learning...

..Collectively, our results suggest that these selective GSK-3 inhibitors may be useful as acute-acting therapeutics for the treatment of the insulin resistance of type 2 diabetes...

..Taken together these results demonstrate that S1P activates multiple signaling pathways in SMC and regulates proliferation by ERK-dependent activation of Elk-1 and differentiation by RhoA-dependent activation of MRTF-A...

..Thus the onset of agonist-induced contraction in phasic smooth muscle results from the rapid and coordinated activation of MLCK with hierarchical inhibition of MLCP by CPI-17 and MYPT1 phosphorylation...

..The application of (1)H NMR spectroscopy to an array of biological samples comprising urine, serum and liver tissue extracts yields new insight into the hepatotoxicity of xenobiotics...

..Mutations in KIT are more frequent in specific melanoma subtypes, and response to KIT inhibition is likely to depend on the identified mutation...

..This is due not only to an anti-apoptotic effect, but also to an increase in the ECM-cells interaction. Therefore, we believe this method will be useful for both current and future applications of these pluripotent stem cells...

..Several pyrazolopyridinylpyrimidines are shown to relax aortic rings and revealed a long-lasting blood pressure lowering effect in rats after oral application...

..This results in antiplatelet activity, a strong decrease in blood pressure and an increase in survival in a low-NO rat model of hypertension, and as such may offer an approach for treating cardiovascular diseases...

..Hence, inhibition of p38alpha affects the aerobic glycolytic metabolism specific of cancer cells and might be taken advantage of as a therapeutic strategy targeted against CRCs...

..Together, these results argue that Y-27632 is a useful tool in overcoming obstacles to studies involving the cultivation of both hES cells and human iPS cells...

..These findings demonstrate that [3H]methoxy-PEPy is useful for determining the occupancy of mGlu5 receptors in the brain...

..Future progress seems likely to depend on using controlled clinical trials to optimize synergistic combination treatments...

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..The purpose of this trial was to evaluate the antitumor activity of sorafenib, a multikinase inhibitor of cell proliferation and angiogenesis, in patients with castration-resistant prostate cancer...

..By extension, these results suggest that pharmacological potentiation of mGlu5 receptors may ameliorate the cognitive and other behavioral abnormalities associated with NMDA receptor deficiency...

..Sorafenib has antitumour activity in HRPCP when evaluated for RECIST- and PSA-based response. Further investigation as a component of combination regimens is necessary to evaluate its definite or overall clinical benefit for HRPCP...

..This study was to investigate the effect of rapamycin, alone and in combination with sorafenib, on HCC in vivo...

..o. administration of dabigatran etexilate and that the potential for clinically relevant interactions between dabigatran and drugs metabolized by cytochrome P450 is low...

..These data also strengthen a rationale for pursuing a combinational drug strategy for enhancing the antiparkinsonian effects of A2A and mGlu5 antagonists...

..After hip replacement surgery, prophylaxis following discharge from hospital is recommended to reduce the risk of venous thromboembolism. Our aim was to assess the oral, direct thrombin inhibitor dabigatran etexilate for such prophylaxis...

..This agent is currently being evaluated in phase III clinical trials in renal cell and hepatocellular carcinomas...

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..This phase II study evaluated the activity of combined treatment with interferon alfa-2b and sorafenib, a Raf and multiple receptor tyrosine kinase inhibitor, in patients with advanced renal carcinoma...

..We undertook this study to determine the activity and tolerability of sorafenib administered with interferon alfa-2b (IFN-alpha-2b) as first- or second-line therapy in metastatic renal cell cancer (RCC)...

..Pharmacokinetic analyses were done for sorafenib on days 2 and 19 of cycle 1 and for paclitaxel on day 1 of cycles 1 and 2. Pretreatment tumor samples from 17 melanoma patients were analyzed for BRAF mutations...

..We conclude that an extremely brief agonist transient renders IPSCs particularly sensitive to the up-regulation of agonist binding by BDZs...

..These results reveal a form of GABA(A) receptor mediated communication by a dedicated cell type that produces slow ionotropic responses with properties intermediate between phasic and tonic inhibition...

..Cancer cell survival, invasion, and metastasis depend on cancer cell proliferation and on tumor-induced angiogenesis. We evaluated the efficacy of the combination of sorafenib and erlotinib or cetuximab...

..This study assessed the translational potential of auditory evoked-response endophenotypes of autism in parallel mouse and human studies of autism...

..These mechanisms can occur independently, or in the same cancer, suggesting that the combination of both ALK and EGFR inhibitors may represent an effective therapy for these subsets of NSCLC patients...

..Collectively, these results highlight the importance of Gli activation downstream of Smo as a therapeutic target in models of human colon carcinoma...

..We studied the effects of the multitarget tyrosine kinase inhibitor sorafenib on the reinduction of RaI uptake and tumor progression...

..However, these data on reassembly show that a contractile tone of the PAMR is essential for assembly of the apical junctional complex...

..This study reports the pharmacological characterization of BGC20-1531, a novel EP(4) receptor antagonist...

..as chalcone analogues carrying variety of aryl and heteroaryl groups, pyrazolo[4,3-c]pyridines, pyridolo[4,3-c]pyrimidines, and pyrido[4,3-c]-pyridines, carrying an arylidene moiety, and a series of pyrano[3,..

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..algorithm, and then used to built a QSAR model for a series of 1-(azacyclyl)-3-arylsulfonyl-1H-pyrrolo[2,3-b]pyridines as 5-HT(6) receptor agonists or antagonists, useful for the treatment of central nervous system disorders...

..An animal model to investigate the underlying causes of the synergistic action of the two viruses and where preventative strategies can be tested under such complex physiological conditions is currently unavailable...

..The resultant combinatorial potentiation by multiple synthetic chemical openers indicates that KCNQ channels are accessible to various types and combinations of pharmacological regulation...

..We conclude that Wf-536 has tumor anti-metastatic activity which may depend on inhibition of tumor motility and angiogenesis. The findings support its further clinical development as an anti-metastatic agent...

..These data suggest that dabigatran is a potent, selective thrombin inhibitor and an orally active anticoagulant as the prodrug, dabigatran etexilate...

..Here, the involvement of the Rho and Rho-associated protein kinase (ROCK) pathway, along with MAPK, was investigated to determine their roles in GBM cell migration and proliferation...

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..We evaluated the antitumor response and tolerability of sorafenib in patients with relapsed or refractory, advanced non-small-cell lung cancer (NSCLC), most of whom had received prior platinum-based chemotherapy...

..The finding that subunit conformation can be influenced by coassembled subunit partners is in agreement with models of receptor assembly which propose that subunit folding continues after initial subunit-subunit interactions...

..Similar effects were observed in pretreated macrophages or in treatment of infected macrophages. These results suggests that p38 MAPK activation may have a potential therapeutic value in the treatment of visceral leishmaniasis...

..Further, it is likely that blockade of mGlu5 receptors may attenuate cocaine consumption, at least in part, by decreasing the baseline activity of brain reward circuitries...

..libraries of indoles, benzofurans, benzopyrans, coumarins, isocoumarins, phthalides, pyrones, 2-quinolones, pyridines, isoquinolin-1-ones, isoindolin-1-ones, isoquinolines, carbolines, isoindolo[2,1-a]indoles, carbazoles, ..

..benzopyrans, chromones and heteroatom analogues, furans, thiophenes, pyrroles, oxazoles, isoxazoles, pyrazoles, pyridines, quinolines, coumarins, indenes, indenones, naphthols, and phenols...

..g., pyridines, pyrroles, oxazoles, pyrroline and indoles)...

..g., pyridines, pyrroles, oxazoles, pyrroline and indoles)...

..will provide 1,2-dihydropyridines, which are extremely versatile intermediates in the synthesis of pyridines and piperidines...

..will provide 1,2-dihydropyridines, which are extremely versatile intermediates in the synthesis of pyridines and piperidines...

..will provide 1,2-dihydropyridines, which are extremely versatile intermediates in the synthesis of pyridines and piperidines...

..Also, it is planned to establish the applicability of the rearrangement to imidazo[4,5-b]pyridines, if successful, the rearranged products might function as key intermediates in approaches to several monomeric ..

..to the synthesis of enantiomerically enriched heterocycles bearing important pharmacophores, such as furans and pyridines. We have also developed several new routes to pyranones, furanosidic aldehydes, furans, and pyrroles...

..to the synthesis of enantiomerically enriched heterocycles bearing important pharmacophores, such as furans and pyridines. We have also developed several new routes to pyranones, furanosidic aldehydes, furans, and pyrroles...

..to the synthesis of enantiomerically enriched heterocycles bearing important pharmacophores, such as furans and pyridines. We have also developed several new routes to pyranones, furanosidic aldehydes, furans, and pyrroles...

..amines, functionally differentiated hexadienes, and various biologically important heterocycles including pyridines, azetidines, and piperidines...

..amines, functionally differentiated hexadienes, and various biologically important heterocycles including pyridines, azetidines, and piperidines...

..The 2-alkoxy-carbonylamino-pyridines (2-ACPs) potently inhibit the growth of Mtb with an MIC99 (SRI-3072) as low as 0.15 microgram/ml (0...

..synthesized, potent, non-toxic, remarkably selective small molecule antiTB agents, including imidazo[1,2-a]pyridines, the development of which will be the second goal...

..the contribution of the central arene moiety to anticancer activity by testing pairs of unsymmetrical annulated pyridines derived from the best simplified hexacyclic steroidal subunits...

..cross-coupling of alkenyl triflates, alkenyl boronates, or alkylzinc reagents with highly substituted pyridines having complementary functionality; 2) preparation of tetrahydro-5H-cyclohepta[b]pyridine derivatives via an ..

..This strategy allows for the concise stereoselective synthesis of pyridines, providing rapid access to this important class of compounds from readily available starting materials...

..This will allow for development of novel syntheses of substituted pyridines through aromatization of the dihydropyridine intermediates...

..The potential binding sites of SCH28080 and other imidazo-pyridines will be investigated by kinetic measurements in cells transfected with the H+,K+ ATPase and mutated enzyme...

..Heterocyclic variants of this process will be developed leading to substituted pyridines, dihydroisobenzofurans, and isoindoles...

..Finally, methodology for regioselective construction of highly substituted pyridines, which are components of the thiostreptone class of antibiotics, will be pursed via an intramolecular hetero ..