Polygonatum cyrtonema Hua polysaccharide exhibits anti-fatigue activity via regulating osteocalcin signaling
文献类型： 外文期刊
作者： Shen, Wen-Di 1 ; Li, Xue-Ying 1 ; Deng, Yuan-Yuan 3 ; Zha, Xue-Qiang 1 ; Pan, Li-Hua 1 ; Li, Qiang-Ming 1 ; Luo, Jian- 1 ;
作者机构： 1.Hefei Univ Technol, Minist Educ, Engn Res Ctr Bioproc, 193 Tunxi Rd, Hefei 230009, Peoples R China
2.Hefei Univ Technol, Sch Food & Biol Engn, 193 Tunxi Rd, Hefei 230009, Peoples R China
3.Guangdong Acad Agr Sci, Sericultural & Agrifood Res Inst, Guangzhou 510610, Peoples R China
4.Minist Agr & Rural Affairs, Key Lab Funct Foods, Guangzhou 510610, Peoples R China
5.Guangdong Key Lab Agr Prod Proc, Guangzhou 510610, Peoples R China
关键词： Polygonatum cyrtonema; Polysaccharide; Anti-fatigue; Osteocalcin
期刊名称：INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES （ 影响因子：5.162； 五年影响因子：5.137 ）
ISSN： 0141-8130
年卷期： 2021 年 175 卷
页码：
收录情况： SCI
摘要： In the present study, we explored the anti-fatigue activity and its potential mechanism of a purified Polygonatum cyrtonema polysaccharide (PCP) on mice using weight-loaded swimming test. Results showed that PCP remarkably prolonged the exhaustive swimming time of mice when compared with normal control group. Meanwhile, PCP decreased serum levels of lactic acid (IA), blood uric nitrogen (BUN), superoxide dismutase (SOD), glutathione peroxidase (GSH-Px) and malondialdehyde (MDA), and increased the contents of liver glycogen, muscle glycogen and muscle ATP. These results revealed that PCP had good anti-fatigue ability. The histomorphologic analysis showed that PCP increased the cross-section area of the muscle fibers. Furthermore, PCP significantly enhanced the protein levels of bone morphogenetic protein-2 (BMP-2), phosphor-Smadl, Runt-related transcription factor 2 (Runx2) and osteocaldn (OC) in skeleton. Similar variation was also observed in the expression of osteocalcin signaling mediators of phosphorylated cAMP-response element binding protein (p-CREB) and phosphorylated hormone-sensitive lipase (p-HSL) in skeletal muscle. These results suggested that PCP resisted fatigue possibly via regulating osteocalcin signaling. (C) 2021 Elsevier B.V. All rights reserved.
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