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Lycium barbarum polysaccharides (LBPs) are the major polysaccharides extracted from L. barbarum, which is used in traditional Chinese medicine (TCM) for treating diseases. Studies have shown that LBPs have important biological activities, such as antioxidation, anti-aging, neuroprotection, immune regulation. LBPs inhibit oxidative stress, improve neurodegeneration and stroke-induced neural injury, increase proliferation and differentiation of neural stem cell, and promote neural regeneration. Here we have reviewed latest advances in the biomedical activities of LBPs and improved methods for the isolation, extraction, and purification of LBPs. Then, new discoveries to decrease oxidative stress and cellular apoptosis, inhibit aging progress, and improve neural repair in neurodegeneration and ischemic brain injury have been discussed in detail through in vitro cell culture and in vivo animal studies. Importantly, the molecular mechanisms of LBPs in playing neuroprotective roles are further explored. Lastly, we discuss the perspective of LBPs as biomedical compounds in TCM and modern medicine and provide the experimental and theoretical evidence to use LBPs for the treatment of aging-related neurological diseases and stroke-induced neural injuries.


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Research advances on antioxidation, neuroprotection, and molecular mechanisms of Lycium barbarum polysaccharides

Show Author's information Cheng Wang1,§Liangxing Zhou1,§Mei Mo2,§Xianglin Kong2Zhengbin Chai1Lei Deng1Junli Zhang1Kuan Cao1Chuanfei Wei3Li Xu3Juanli Chen3Fabin Han1,3( )
The Innovation Institute for Traditional Chinese Medicine, Shandong University of Traditional Chinese Medicine, Jinan 250355, Shandong, China
Experimental Centre, Shandong University of Traditional Chinese Medicine, Jinan 250355, Shandong, China
The Institute for Tissue Engineering and Regenerative Medicine, Stem Cell and Regenerative Medicine Laboratory, Liaocheng University/Liaocheng People’s Hospital, Liaocheng 252000, Shandong, China

§ These authors contributed equally to this work.

Abstract

Lycium barbarum polysaccharides (LBPs) are the major polysaccharides extracted from L. barbarum, which is used in traditional Chinese medicine (TCM) for treating diseases. Studies have shown that LBPs have important biological activities, such as antioxidation, anti-aging, neuroprotection, immune regulation. LBPs inhibit oxidative stress, improve neurodegeneration and stroke-induced neural injury, increase proliferation and differentiation of neural stem cell, and promote neural regeneration. Here we have reviewed latest advances in the biomedical activities of LBPs and improved methods for the isolation, extraction, and purification of LBPs. Then, new discoveries to decrease oxidative stress and cellular apoptosis, inhibit aging progress, and improve neural repair in neurodegeneration and ischemic brain injury have been discussed in detail through in vitro cell culture and in vivo animal studies. Importantly, the molecular mechanisms of LBPs in playing neuroprotective roles are further explored. Lastly, we discuss the perspective of LBPs as biomedical compounds in TCM and modern medicine and provide the experimental and theoretical evidence to use LBPs for the treatment of aging-related neurological diseases and stroke-induced neural injuries.

Keywords: neurodegenerative disease, neuroprotection, neural stem cell, oxidative stress, Lycium barbarum polysaccharide, ischemic brain injury

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Published: 10 January 2022
Issue date: December 2021

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