Development of novel carbazole derivatives with effective multifunctional action against Alzheimer’s diseases: Design, Synthesis, in silico, in vitro and in vivo investigation
2020
Abstract Carbazole based novel multifunctional agents has been rationally designed and synthesized as potential anti-Alzheimer agents. Multi-functional activity of these derivatives have been assessed by performing various in-vitro assays and these compounds appeared to be potent AChE inhibitors, Aβ aggregation inhibitors, anti-oxidant and neuroprotective agents. Among entire series, MT-1 and MT-6 were most potent multifunctional agents which displayed effective and selective AChE inhibition, Aβ disaggregation, anti-oxidant and metal chelation action. Neuroprotective activity of MT-6 has been examined against H2O2 induced toxicity in SHSY-5Y cells and they have shown effective neuroprotection. Additionally, MT-6 did not display any significant toxicity in SHSY-5Y cells, indicating its non-toxic nature. Molecular docking and MD simulation studies have been also performed to explore molecular level interaction with AChE and Aβ. Finally, MT-6 was evaluated against scopolamine induced dementia model of mice and this compound actively improved memory deficit and cognition impairment in scopolamine treated mice. Thus, novel carbazole derivative MT-6 has been explored as an effective and safe multifunctional agent against AD and this molecule may be used as a suitable lead for development of effective anti-Alzheimer agents in future.
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