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Compounds simultaneously inhibiting two targets that are involved in the progression of the same complex disease may exhibit additive or even synergistic therapeutic effects. Here we unveil 2,4,5-trisubstituted imidazoles as dual inhibitors of p38α mitogen-activated protein kinase and glycogen synthase kinase 3β (GSK3β). Both enzymes are potential therapeutic targets for neurodegenerative disorders, like Alzheimer's disease. A set of 39 compounds was synthesized and evaluated in kinase activity assays for their ability to inhibit both target kinases. Among the synthesized compounds, potent dual-target-directed inhibitors showing IC values down to the low double-digit nanomolar range, were identified. One of the best balanced dual inhibitors presented in here is N-(4-(2-ethyl-4-(4-fluorophenyl)-1H-imidazol-5-yl)pyridin-2-yl)cyclopropanecarboxamide (20c) (p38α, IC = 16 nM; GSK3β, IC = 35 nM) featuring an excellent metabolic stability and an appreciable isoform selectivity over the closely related GSK3α. Our findings were rationalized by computational docking studies based on previously published X-ray structures.
This article was published in the following journal.
Name: European journal of medicinal chemistry
Various 1,2,4 trisubstituted imidazolin-5-one derivatives were synthesized and evaluated for their inhibitory activity against p38 mitogen-activated protein kinase (p38MAPK) and carbonic anhydrase (CA...
Lipid homeostasis is critically dependent on the liver. Hepatic genes involved in lipid biosynthesis are controlled by combinatorial actions of multiple transcription factors that include three sterol...
Progress over of the past several years has elucidated a role for mitogen activated protein kinase phosphatase to regulate periodontal inflammation yielding new possibilities for treatment of periodon...
SB203580, a p38MAPK inhibitor, attenuates olfactory dysfunction by inhibiting OSN apoptosis in AR mice (activation and involvement of the p38 mitogen-activated protein kinase in olfactory sensory neuronal apoptosis of OVA-induced allergic rhinitis).
This study aimed to investigate the effect of the p38 mitogen-activated protein kinase (p38MAPK) signaling pathway on olfactory mucosa function and apoptosis of olfactory sensory neurons (OSNs) in an ...
Paeonol is a natural flavonoid isolated from Moutan Cortex, which has been found to exhibit antioxidant, anti-apoptotic, anti-aging and anti-inflammatory bioactivities. Herein, we investigated the nep...
The project is designed to generate critical information to design and justify a robust trial on lithium prevention of the onset of Alzheimer's disease (AD). Lithium exerts and inhibitory ...
This will be a double-blind, placebo controlled cross-over study. After enrolment and initial assessments, subjects will receive oral SB681323 or matching placebo for 14 days. SB681323 wil...
Insulin resistance and hyperglycemia contribute to negative outcomes in burned patients. We will assess insulin sensitivity in traditional terms of glucose metabolism, and with regard to t...
The aim of the present study is to investigate the effect of added protein+leucine or caffeine to 1.2 g/kg/h CHO on the rate of post-exercise muscle glycogen re-synthesis in healthy, recre...
Assessment of GSK-3beta contents in leukocytes in on-pump cardiosurgical patients receiving either volatile or intravenous anesthesia
A mitogen-activated protein kinase kinase with specificity for a subset of P38 MITOGEN-ACTIVATED PROTEIN KINASES that includes MITOGEN-ACTIVATED PROTEIN KINASE 12; MITOGEN-ACTIVATED PROTEIN KINASE 13; and MITOGEN-ACTIVATED PROTEIN KINASE 14.
A member of the ternary complex family of ets-related transcription factors that is regulated by MITOGEN-ACTIVATED PROTEIN KINASES including JNK MITOGEN-ACTIVATED PROTEIN KINASES; MITOGEN-ACTIVATED PROTEIN KINASE 1; MITOGEN-ACTIVATED PROTEIN KINASE 3; and P38 MITOGEN-ACTIVATED PROTEIN KINASES.
A mitogen-activated protein kinase kinase with specificity for JNK MITOGEN-ACTIVATED PROTEIN KINASES; P38 MITOGEN-ACTIVATED PROTEIN KINASES and the RETINOID X RECEPTORS. It takes part in a SIGNAL TRANSDUCTION pathway that is activated in response to cellular stress.
A superfamily of PROTEIN-SERINE-THREONINE KINASES that are activated by diverse stimuli via protein kinase cascades. They are the final components of the cascades, activated by phosphorylation by MITOGEN-ACTIVATED PROTEIN KINASE KINASES, which in turn are activated by mitogen-activated protein kinase kinase kinases (MAP KINASE KINASE KINASES).
Mitogen-activated protein kinase kinase kinases (MAPKKKs) are serine-threonine protein kinases that initiate protein kinase signaling cascades. They phosphorylate MITOGEN-ACTIVATED PROTEIN KINASE KINASES; (MAPKKs) which in turn phosphorylate MITOGEN-ACTIVATED PROTEIN KINASES; (MAPKs).
Within medicine, nutrition (the study of food and the effect of its components on the body) has many different roles. Appropriate nutrition can help prevent certain diseases, or treat others. In critically ill patients, artificial feeding by tubes need t...
Neurology - Central Nervous System (CNS)
Alzheimer's Disease Anesthesia Anxiety Disorders Autism Bipolar Disorders Dementia Epilepsy Multiple Sclerosis (MS) Neurology Pain Parkinson's Disease Sleep Disorders Neurology is the branch of me...