Bashir Dar Junaid, Manzoor Saliha, Khan Imran A, Bashir Masarat, Agarwal Nidhi Bharal, Rastogi Shweta, Arora Indu, Samim Mohammed
Department of Chemistry, School of Chemical and Life Sciences, Jamia Hamdard, New Delhi 110062, India.
COTS, Mirgund, SKUAST Kashmir, Shalimar, Srinagar, Jammu and Kashmir 193121, India.
ACS Omega. 2022 Feb 16;7(8):6472-6480. doi: 10.1021/acsomega.1c04459. eCollection 2022 Mar 1.
Neurodegeneration is one of the most common diseases in the aged population, characterized by the loss in the function of neuronal cells and their ultimate death. One of the common features in the progression of this type of diseases is the oxidative stress. Drugs which are currently being used have been found to show lateral side effects, which is partly due to their inefficiency to cross blood-brain barrier. Nanoencapsulation of bioactive compounds is a profound approach in this direction and has become a method of choice nowadays. This study involved the evaluation of the anti-oxidative properties of magnoflorine (MF), which is an aporphine quaternary alkaloid, and synthesis of MF-loaded chitosan-collagen nanocapsules (MF-CCNc) for its better efficacy as a potent anti-oxidant. Physiochemical characterization of the synthesized nanocapsules was done by using dynamic light scattering and transmission electron microscopy. It revealed that the synthesized nanocapsules are of small size range, as small as 12 ± 2 nm, and are more or less of spherical shape. Sustained release was shown by MF in the drug release studies. Both MF and MF-CCNc were found to have good anti-oxidant potential with IC < 25 μg/mL. No major cytotoxicity was shown by the synthesized nanocapsules on SH-SY5Y cells. anti-acetylcholinesterase (AChE) studies were also done, and they revealed that MF can be a potent inhibitor of AChE.
神经退行性疾病是老年人群中最常见的疾病之一,其特征是神经元细胞功能丧失并最终死亡。这类疾病进展的一个共同特征是氧化应激。目前使用的药物已被发现有副作用,部分原因是它们难以穿过血脑屏障。生物活性化合物的纳米封装是朝着这个方向的一种深入方法,并且已成为当今的首选方法。本研究涉及对木兰碱(MF)抗氧化特性的评估,木兰碱是一种阿朴啡碱季铵生物碱,还涉及合成负载MF的壳聚糖-胶原蛋白纳米胶囊(MF-CCNc),以提高其作为有效抗氧化剂的功效。通过动态光散射和透射电子显微镜对合成的纳米胶囊进行了理化表征。结果表明,合成的纳米胶囊尺寸范围小,小至12±2nm,且或多或少呈球形。药物释放研究表明MF具有缓释特性。MF和MF-CCNc均具有良好的抗氧化潜力,IC<25μg/mL。合成的纳米胶囊对SH-SY5Y细胞未显示出主要的细胞毒性。还进行了抗乙酰胆碱酯酶(AChE)研究,结果表明MF可能是一种有效的AChE抑制剂。