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Icariin (ICA) has neuroprotection in oxygen-glucose deprivation (OGD) neurons by increasing Sirtuin1 (SIRT1). However, little is known about the role of ICA on stroke. SIRT1 is a class III histone deacetylase and activates peroxisome proliferator-activated receptor gamma coactivator-1alpha (PGC-1alpha) which stimulates mitochondrial activity. This study… (More)
BACKGROUND AND PURPOSE Beta-amyloid (Aβ)-mediated inflammation contributes to the progression and chronicity of Alzheimer's disease (AD), although the exact mechanism remains unclear. This study aimed to investigate whether diammonium glycyrrhizinate (DG) could inhibit Aβ-induced inflammation in vitro and in vivo and to explore the underlying mechanisms. … (More)
Acetyl-coenzyme A carboxylase (ACCase) has been identified as one of the most important targets of herbicides. In the present study, we constructed homology models of the carboxyl-transferase (CT) domain of ACCase from sensitive and resistant foxtail and used these models as templates to study the molecular mechanism of herbicide resistance and… (More)
Pyrimidinylthiobenzoates constitute an important kind of herbicides targeting acetohydroxyacid synthase (AHAS, EC 22.214.171.124), which catalyze the first common step in branched-chain amino acid biosynthesis. Due to the symmetry of 4,6-dimethoxypyrimidyl, there are two kinds of conformation of pyrimidinylthiobenzoates: one's phenyl is left-extending (named… (More)
Major characteristics of Alzheimer's disease (AD) include deposits of β-amyloid (Aβ) peptide in the brain, loss of synapses, and cognitive dysfunction. Cocaine- and amphetamine-regulated transcript (CART) has recently been reported to attenuate Aβ-induced toxicity. In this study, CART localization in APP/PS1 mice was characterized and the protective effects… (More)
Grass weed populations resistant to acetyl-CoA carboxylase-inhibiting (ACCase; EC 126.96.36.199) herbicides represent a major problem for the sustainable development of modern agriculture. In the present study, extensive computational simulations, including homology modeling, molecular dynamics (MD) simulations, and molecular mechanics-Poisson-Boltzmann surface… (More)
The present study investigated the neuroprotective potential of Diammonium Glycyrrhizinate (DG) in focal cerebral ischemic-reperfusion (IR) injury in mice. The middle cerebral artery occlusion (MCAO) model of the mouse was used. Mice were treated with DG (20mg/kg per day, intraperitoneal injection) or saline as control, from the beginning of the reperfusion… (More)
A new Buchwald-type diphosphine ligand has been developed for applications in Pd-catalyzed amination reactions towards the preparation of triarylamines. The catalyst can be used to perform the amination of a diverse array of aryl and heteroaryl chlorides.
The design and synthesis of 5,7-dimethyl-1,2,4-triazolo[1,5-a]pyrimidine-2-thioaceto-(2-fluorobenzyl) hydrazone (TPTH), which self-assembled into supramolecular microfibers with blue organic light-emitting properties, is reported. This is the first occurrence of the molecular self-assembly of 1,2,4-triazolo[1,5-a]pyrimidine derivatives.
In order to foster innovation and improve the effectiveness of drug discovery, there is a considerable interest in exploring unknown 'chemical space' to identify new bioactive compounds with novel and diverse scaffolds. Hence, fragment-based drug discovery (FBDD) was developed rapidly due to its advanced expansive search for 'chemical space', which can lead… (More)