107229-61-8Relevant articles and documents
Synthesis and evaluation of new pyridyl/pyrazinyl thiourea derivatives: Neuroprotection against amyloid-β-induced toxicity
Park, Jung-eun,Elkamhawy, Ahmed,Hassan, Ahmed H.E.,Pae, Ae Nim,Lee, Jiyoun,Paik, Sora,Park, Beoung-Geon,Roh, Eun Joo
, p. 322 - 334 (2017)
Herein, we report synthesis and evaluation of new twenty six small molecules against β amyloid (Aβ)-induced opening of mitochondrial permeability transition pore (mPTP) using JC-1 assay which measures the change of mitochondrial membrane potential (ΔΨm). The neuroprotective effect of seventeen compounds against Aβ-induced mPTP opening was superior to that of the standard Cyclosporin A (CsA). Fifteen derivatives eliciting increased green to red fluorescence percentage less than 40.0% were evaluated for their impact on ATP production, cell viability and neuroprotection against Aβ-induced neuronal cell death. Among evaluated compounds, derivatives 9w, 9r and 9k had safe profile regarding ATP production and cell viability. In addition, they exhibited significant neuroprotection (69.3, 51.8 and 48.2% respectively). Molecular modeling study using CDocker algorithm predicted plausible binding modes explaining the elicited mPTP blocking activity. Hence, this study suggests compounds 9w, 9r and 9k as leads for further development of novel therapy to Alzheimer's disease.
Synthesis and evaluation of 2-(3-arylureido)pyridines and 2-(3-arylureido)pyrazines as potential modulators of Aβ-induced mitochondrial dysfunction in Alzheimer's disease
Elkamhawy, Ahmed,Park, Jung-eun,Hassan, Ahmed H.E.,Pae, Ae Nim,Lee, Jiyoun,Park, Beoung-Geon,Roh, Eun Joo
, p. 529 - 543 (2018/01/01)
A series of 2-(3-arylureido)pyridines and 2-(3-benzylureido)pyridines were synthesized and evaluated as potential modulators for amyloid beta (Aβ)-induced mitochondrial dysfunction in Alzheimer's disease (AD). The blocking activities of forty one small molecules against Aβ-induced mitochondrial permeability transition pore (mPTP) opening were evaluated by JC-1 assay which measures the change of mitochondrial membrane potential (ΔΨm). The inhibitory activity of twenty five compounds against Aβ-induced mPTP opening was superior to that of the standard cyclosporin A (CsA). Six hit compounds have been identified as likely safe in regards to mitochondrial and cellular safety and subjected to assessment for their protective effect against Aβ-induced deterioration of ATP production and cytotoxicity. Among them, compound 7fb has been identified as a lead compound protecting neuronal cells against 67% of neurocytotoxicity and 43% of suppression of mitochondrial ATP production induced by 5 μM concentrations of Aβ. Using CDocker algorithm, a molecular docking model presented a plausible binding mode for these compounds with cyclophilin D (CypD) receptor as a major component of mPTP. Hence, this report presents compound 7fb as a new nonpeptidyl mPTP blocker which would be promising for further development of Alzheimer's disease (AD) therapeutics.
3-`(HETERO) ARYLMETHOXY ! PYRIDINES AND THEIR ANALOGUES AS P38 MAP KINASE INHIBITORS
-
Page/Page column 63-64, (2010/11/30)
Compounds of the formula (I), wherein: -X=Y- is selected from -CR2=CR3- and -CR2=N-; R1 is selected from H, halo, NRR', NHC(=O)R, NHC(=O)NRR', NH2SO2R, and C(=O)NRR'; R2 and R3 (where present) are independently selected from H, optionally substituted C1-7 alkyl, optionally substituted C5-20 aryl, optionally substituted C3-20 heterocyclyl, halo, amino, amido, hydroxy, ether, thio, thioether, acylamido, ureido and sulfonamino; R4 is an optionally substituted C5-20 aryl or C5-20 heteroaryl group; and R5 is selected from R5’, halo, NHR5’, C(=O)NHR5’, OR5’, SR5’, NHC(=O)R5’, NHC(=O)NHR5’, NHS(=O)R5’, wherein R5’ is H or C1-3 alkyl (optionally substituted by halo, NH2, OH, SH) are disclosed for use in therapy and for treating diseases ameliorated by inhibiting p38 MAP kinase.
