Transcriptomic profile of human erythroleukemia cells in response to Sargassum fusiforme polysaccharide and its structure analysis

查看全文 作　　者：DING Hao-[1,2]Miao;FU Rui-[1]Jie;XIE [1]Ce;WANG Cai-[1]Sheng;QIAN Guo-[1]Ying

机构地区：[1]College of Biological and Environmental Sciences,Zhejiang Wanli University,Ningbo 315100,China;[2]School of Marine Sciences,Ningbo University,Ningbo 315211,China

出　　处：《Chinese Journal of Natural Medicines》索引2021年第19卷第10期,共12页

基　　金：partially funded by Zhejiang Wanli University Scientific Research and Innivation Team(No.SC1032110880210);Zhejiang Provincial Top Discipline of Biological Engineering(No.KF2021010);Ningbo Public Service Platform for High-Value Utilization of Marine Biological Resources(Nos.NBHY-2017-S5,NBHY-2017(1))。 摘　　要：Sargassum fusiforme(S.fusiforme)has been used as an ingredient in Chinese herbal medicine for thousands of years.However,there are a limited number of studies concerning its therapeutic mechanism.High performance gel permeation chromatography(HPGPC)analysis showed that the average molecular weight of the S.fusiforme polysaccharide,SFPS 191212,is 43 kDa.SFPS 191212 is composed of mannose,rhamnose,galactose,xylose,glucose,and fucose(at a molar ratio:2.1:2.9:1.8:15.5:4.6:62.5)withα-andβ-configurations.The present research evaluated the anti-tumor potential of the S.fusiforme polysaccharide in human erythroleukemia(HEL)cells in vitro.To explore the SFPS 191212’s apoptosis mechanism in HEL cells,transcriptome analysis was performed on HEL cells that were incubated with SFPS 191212.The inhibitory effect of SFPS 191212 on HEL cell growth was also analyzed.It was found that SFPS 191212 inhibited HEL cell proliferation,reduced cell viability in a concentration-dependent manner,and induced an insignificant toxic effect on normal human embryonic lung(MRC-5)cells.Compared with the control group,transcriptome analysis identified a total of 598 differentially expressed genes(DEGs),including 243 up-regulated genes and 355 downregulated genes.Gene Ontology(GO)and Kyoto Encyclopedia of Genes and Genomes(KEGG)enrichment analyses were performed on all DEGs,and 900 GO terms and 52 pathways were found to be significantly enriched.Finally,23 DEGs were randomly selected and confirmed by quantitative real-time polymerase chain reaction(qRT-PCR).Moreover,SFPS 191212 down-regulated the PI3K/Akt signal transduction pathway.Our results provide a framework for understanding the effect of SFPS 191212 on cancer cells and can serve as a resource for delineating the anti-tumor mechanisms of S.fusiforme. 关键词：Human erythroleukemia POLYSACCHARIDE Sargassum fusiforme TRANSCRIPTOME

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Transcriptomic profile of human erythroleukemia cells in response to Sargassum fusiforme polysaccharide and its structure analysis

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