In this study, a series of novel N-(4-phenylthiazol-2-yl)-cinnamamide derivatives (7a–8n) were synthesized and evaluated for their anti-proliferative activities in vitro.
Myeloid differentiation protein2 (MD2) is an essential molecule which recognizes lipopolysaccharide (LPS), leading to initiation of inflammation through the activation of Toll-like receptor 4 (TLR4) signaling. Caffeic acid phenethyl ester (CAPE) from propolis of honeybee hives could interfere interactions between LPS and the TLR4/MD2 complex, and thereby has promising anti-inflammatory properties
Synthesis and study of new siderophore analog-ciprofloxacin conjugates with antibiotic activities against Pseudomonas aeruginosa and Burkholderia spp.
作者:P. Loupias、P. Laumaillé、S. Morandat、L. Mondange、S. Guillier、K. El Kirat、S. Da Nascimento、F. Biot、N. Taudon、A. Dassonville-Klimpt、P. Sonnet
DOI:10.1016/j.ejmech.2022.114921
日期:2023.1
synthetic siderophore molecule to form siderophore-antibiotic conjugates. In this work, we describe the synthesis of six new siderophore analog-ciprofloxacin conjugates including cleavable linker or not. The siderophore analogs correspond to a mono-catechol or a hydroxypyridinone moiety recognized by both Pseudomonas and Burkholderia species. Physico-chemical studies showed that (i) conjugates were unable
Development of novel oridonin analogs as specifically targeted NLRP3 inflammasome inhibitors for the treatment of dextran sulfate sodium-induced colitis
domain containing 3 (NLRP3) inflammasome is closely associated with a variety of inflammatory diseases. Herein, we describe the discovery and optimization of a series of NLRP3inflammasomeinhibitors based on the oridonin skeleton. These inhibitors exhibited moderate to potent inhibitory activity against interleukin 1β (IL-1β) release. Compound E6 showed the strongest inhibitory activity and better safety
disaggregation. The effective permeability of compound 14a across the blood-brain barrier was 26.13 × 10−6 cm/s, indicating that it can provide adequate exposure in the centralnervoussystem. Further, compound 14a improved learning, memory, and novel object recognition in mice, and in vivo toxicity experiments confirmed a good therapeutic safety range. Thus, compound 14a is a promising multifunctional lead
进行了广泛的研究以发现一系列在 3-OH 位置具有各种取代基的新型 20( R )-人参二醇衍生物作为治疗阿尔茨海默氏病的无毒、脑渗透性、多靶点先导物。体外分析表明,带有苄基取代氨基甲酸酯的化合物(我们将其命名为化合物14a)表现出最有效的神经保护活性,EC 50为 13.17 μM。化合物14a的神经保护作用比多奈哌齐略强,比 20( R )-人参二醇强得多。7.5–120 μM 的化合物14a在各种细胞系中表现出低毒性。此外,复合14a表现出广泛的生物学活性,包括抑制细胞凋亡;诱导 tau 过度磷酸化;影响 β-淀粉样蛋白 (Aβ)、β-分泌酶、活性氧、肿瘤坏死因子-α、环氧合酶-2 和白细胞介素-1β 的产生;促进 Aβ 25-35分解。化合物14a穿过血脑屏障的有效渗透率为26.13×10 -6 cm/s,表明它可以在中枢神经系统中提供足够的暴露。此外,化合物14a改善了小鼠的学