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Li H, Guan K, Wang R, Zhu A, Ma Y. Synergistic effects of MFG-E8 and whey protein on mitigating d-galactose-induced sarcopenia through PI3K/AKT/PGC-1α and MAPK/ERK signaling pathways. J Dairy Sci 2024; 107:9-23. [PMID: 37678791 DOI: 10.3168/jds.2023-23637] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2023] [Accepted: 07/14/2023] [Indexed: 09/09/2023]
Abstract
Milk fat globule epidermal growth factor 8 (MFG-E8) and whey protein have emerged as promising bionutrient supplements for enhancing skeletal muscle mass and function. In the present study, aging-related sarcopenia rat model was employed to elucidate the effects of the combined administration of MFG-E8 and whey protein on the catabolism and anabolism of gastrocnemius protein. Combined intervention led to notable enhancements in the antioxidative stress status and mitochondrial biogenesis capacity of gastrocnemius muscle fibers in the aging rats, concomitant with a significant inhibition of lipid accumulation. Moreover, the synergistic effect of MFG-E8 and whey protein was found to exert modulatory effects on key signaling pathways, including PI3K/Akt/PGC-1α pathway and MAPK/ERK signaling pathways in the gastrocnemius muscle of the aging rats. Specifically, this combined intervention was observed to promote mitochondrial biogenesis and regulate the expression of protein anabolism and catabolism-related regulators, thereby facilitating the alleviation of mitochondrial oxidative stress and enhancing biogenesis in gastrocnemius tissues. The findings of our study provide compelling evidence for the potential of MFG-E8 as a promising dietary supplement with antisarcopenic properties to ameliorate muscle protein metabolism disorders and mitigate mitochondrial-mediated myoblast apoptosis induced by oxidative stress.
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Affiliation(s)
- He Li
- Jiangsu Engineering Research Center of Cardiovascular Drugs Targeting Endothelial Cells, College of Health Sciences, School of Life Sciences, Jiangsu Normal University, Xuzhou 221116, Jiangsu, China; School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150090, Heilongjiang, PR China
| | - Kaifang Guan
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150090, Heilongjiang, PR China
| | - Rongchun Wang
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150090, Heilongjiang, PR China
| | - Aihua Zhu
- Jiangsu Engineering Research Center of Cardiovascular Drugs Targeting Endothelial Cells, College of Health Sciences, School of Life Sciences, Jiangsu Normal University, Xuzhou 221116, Jiangsu, China
| | - Ying Ma
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150090, Heilongjiang, PR China.
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2
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Liu G, Li X, Yang F, Qi J, Shang L, Zhang H, Li S, Xu F, Li L, Yu H, Li Y, Dong X, Song Q, Zhu F, Chen G, Cao C, Jiang L, Su J, Yang L, Xu X, Zhang Z, Zhao RC, Li B. C-Phycocyanin Ameliorates the Senescence of Mesenchymal Stem Cells through ZDHHC5-Mediated Autophagy via PI3K/AKT/mTOR Pathway. Aging Dis 2023:AD.2023.0121. [PMID: 37163424 PMCID: PMC10389819 DOI: 10.14336/ad.2023.0121] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Accepted: 01/15/2023] [Indexed: 05/12/2023] Open
Abstract
The senescence of mesenchymal stem cells (MSCs) impairs their regenerative capacity to maintain tissue homeostasis. Numerous studies are focusing on the interventions and mechanisms to attenuate the senescence of MSCs. C-phycocyanin (C-PC) is reported to have multiple functions such as antitumor, antioxidation, anti-inflammation and anti-aging roles, but there is little research about the effects of C-PC on the senescence of MSCs. Here we investigated the roles and mechanism of C-PC on MSCs senescence. In vitro results showed that C-PC could reduce senescence, enhance proliferation, promote the adipogenic and osteogenic differentiation in senescent MSCs induced by oxidative stress. In vivo D-Galactose (D-Gal) induced rats aging models showed C-PC also increased the viability and differentiation of intrinsic senescent bone marrow derived MSCs (BMSCs). Furthermore, C-PC also decreased the levels of oxidative stress markers ROS or MDA, elevated the SOD activity, and increased the anti-inflammatory factors. Proteomic chip analysis showed that C-PC interacted with ZDHHC5, and their interaction was verified by pull down assay. Overexpression of ZDHHC5 aggravated the senescence of MSCs and greatly lessened the beneficial effects of C-PC on senescence. In addition, we found ZDHHC5 regulated autophagy by altering LC3, Beclin1 and PI3K/AKT/mTOR pathway. In summary, our data indicated that C-PC ameliorates the senescence of MSCs through zinc finger Asp-His-His-Cys (DHHC) domain-containing protein 5 (ZDHHC5) mediated autophagy via PI3K/AKT/mTOR pathway. The present study uncovered the key role of autophagy in MSCs senescence and PI3K/AKT/mTOR pathway may be a potential target for anti-senescence studies of MSCs.
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Affiliation(s)
- Guoxiang Liu
- Department of Genetics and Cell Biology, Basic Medical College, Qingdao University, Qingdao, China
| | - Xiaoxia Li
- Department of Genetics and Cell Biology, Basic Medical College, Qingdao University, Qingdao, China
| | - Fanghao Yang
- Department of Genetics and Cell Biology, Basic Medical College, Qingdao University, Qingdao, China
| | - Jingyu Qi
- Department of Genetics and Cell Biology, Basic Medical College, Qingdao University, Qingdao, China
| | - Lipeng Shang
- Department of Genetics and Cell Biology, Basic Medical College, Qingdao University, Qingdao, China
| | - Huhu Zhang
- Department of Genetics and Cell Biology, Basic Medical College, Qingdao University, Qingdao, China
| | - Shuang Li
- Department of Genetics and Cell Biology, Basic Medical College, Qingdao University, Qingdao, China
| | - Fenghua Xu
- Department of Genetics and Cell Biology, Basic Medical College, Qingdao University, Qingdao, China
| | - Lingne Li
- Department of Genetics and Cell Biology, Basic Medical College, Qingdao University, Qingdao, China
| | - Huaxin Yu
- Department of Genetics and Cell Biology, Basic Medical College, Qingdao University, Qingdao, China
| | - Yang Li
- Department of Genetics and Cell Biology, Basic Medical College, Qingdao University, Qingdao, China
| | - Xiaolei Dong
- Department of Genetics and Cell Biology, Basic Medical College, Qingdao University, Qingdao, China
| | - Qinghang Song
- Department of Genetics and Cell Biology, Basic Medical College, Qingdao University, Qingdao, China
| | - Feng Zhu
- Department of Genetics and Cell Biology, Basic Medical College, Qingdao University, Qingdao, China
| | - Guang Chen
- Department of Genetics and Cell Biology, Basic Medical College, Qingdao University, Qingdao, China
| | - Can Cao
- Department of Genetics and Cell Biology, Basic Medical College, Qingdao University, Qingdao, China
| | - Liangqian Jiang
- Department of Medical Genetics, Linyi People's Hospital, Linyi, China
| | - Junzhe Su
- Department of Genetics and Cell Biology, Basic Medical College, Qingdao University, Qingdao, China
| | - Lina Yang
- Department of Genetics and Cell Biology, Basic Medical College, Qingdao University, Qingdao, China
| | - Xiaohui Xu
- Department of Genetics and Cell Biology, Basic Medical College, Qingdao University, Qingdao, China
| | - Zhe Zhang
- Department of Genetics and Cell Biology, Basic Medical College, Qingdao University, Qingdao, China
| | - Robert Chunhua Zhao
- College of Basic Medicine, Institute of Stem Cell and Regenerative Medicine, Qingdao University, Qingdao, China
- Institute of Basic Medical Sciences Chinese Academy of Medical Sciences, School of Basic Medicine Peking Union Medical College, Beijing, China
- School of Life Sciences, Shanghai University, Shanghai, China
| | - Bing Li
- Department of Genetics and Cell Biology, Basic Medical College, Qingdao University, Qingdao, China
- Department of Hematology, The Affiliated Hospital of Qingdao University, Qingdao, China
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Zheng J, Gao Y, Ding J, Sun N, Lin S. Antarctic krill peptides improve scopolamine-induced memory impairment in mice. FOOD BIOSCI 2022. [DOI: 10.1016/j.fbio.2022.101987] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
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Xu T, Zhang J, Jin R, Cheng R, Wang X, Yuan C, Gan C. Physicochemical properties, antioxidant activities and in vitro sustained release behaviour of co-encapsulated liposomes as vehicle for vitamin E and β-carotene. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2022; 102:5759-5767. [PMID: 35398898 DOI: 10.1002/jsfa.11925] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Revised: 04/08/2022] [Accepted: 04/10/2022] [Indexed: 06/14/2023]
Abstract
BACKGROUND In this study the potential of liposomes as a vitamin E (VE) and β-carotene (βC) delivery system was examined. The co-encapsulated liposomes of βC and VE (L-VE-βC) were prepared and characterized. Their antioxidant properties were evaluated by free radical scavenging activities of 2,2-diphenyl-1-picrylhydrazyl (DPPH), 2,2'-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid (ABTS), hydroxyl radical and lipid peroxidation assay. The in vitro sustained release behaviour was then investigated and discussed. RESULTS VE and βC were co-encapsulated in liposomes with high encapsulation efficiency, up to 92.49% and 86.16% for βC and VE, respectively. The antioxidant activities of L-VE-βC samples were significantly higher than that of single loaded liposome. Among different ratios of VE/βC, L-VE-βC at 5:3 exhibited the highest radical scavenging rates, with 66.80%, 56.58% and 34.39% for DPPH, ABTS and OH radical, respectively. L-VE-βC samples also had a good ability to inhibit lipid peroxidation, especially the sample with ratios of VE/βC at 5:3 and 3:1. In simulated gastrointestinal release, L-VE-βC exhibited an excellent sustained release behaviour in SGF with the accumulated rate at about 20%, while the release rate in SIF increased to over 80%, where they should be absorbed. The release kinetics analysis indicated that βC was released in the Higuchi model in stomach, and the Korsmeyr-Peppas model in intestine. CONCLUSION Compared to single loaded liposomes, the combined-loaded liposomes exhibited higher antioxidant activity and bioavailability, suggesting the potential applications in functional foods. © 2022 Society of Chemical Industry.
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Affiliation(s)
- Tiantian Xu
- Engineering Research Center of Bio-process, Ministry of Education, School of Food and Biological Engineering, Hefei University of Technology, Hefei, China
| | - Jingwen Zhang
- Engineering Research Center of Bio-process, Ministry of Education, School of Food and Biological Engineering, Hefei University of Technology, Hefei, China
| | - Risheng Jin
- Engineering Research Center of Bio-process, Ministry of Education, School of Food and Biological Engineering, Hefei University of Technology, Hefei, China
| | - Rong Cheng
- Engineering Research Center of Bio-process, Ministry of Education, School of Food and Biological Engineering, Hefei University of Technology, Hefei, China
| | - Xiaonan Wang
- Engineering Research Center of Bio-process, Ministry of Education, School of Food and Biological Engineering, Hefei University of Technology, Hefei, China
| | - Chuanxun Yuan
- Engineering Research Center of Bio-process, Ministry of Education, School of Food and Biological Engineering, Hefei University of Technology, Hefei, China
| | - Changsheng Gan
- Engineering Research Center of Bio-process, Ministry of Education, School of Food and Biological Engineering, Hefei University of Technology, Hefei, China
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Wu X, Wang B, Ma Q, Zhang Y, Xu J, Zhang Z, Chen G. Mechanism of erythropoietin-induced M2 microglia polarization via Akt / Mtor / P70S6k signaling pathway in the treatment of brain injury in premature mice and its effect on biofilm. Bioengineered 2022; 13:13021-13032. [PMID: 35611764 PMCID: PMC9276024 DOI: 10.1080/21655979.2022.2073000] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
We investigated the mechanism of erythropoietin (EPO) in brain injury in premature mice based on Akt/mTOR/p70S6K signaling pathway. The brain injury model group of premature mice was obtained by intraperitoneal injection of lipopolysaccharide during pregnancy. Normal mice were taken as the control group. The model mice were divided into low-dose EPO (1,000 IU/kg, L-EPO), medium-dose EPO (2,500 IU/kg, M-EPO), and high-dose EPO groups (5,000 IU/kg, H-EPO) by intraperitoneal injection. The levels of malondialdehyde (MDA) and total superoxide dismutase (T-SOD) were detected. TUNEL staining and Western blotting were used to detect the differences in neuronal apoptosis index (AI), microglial polarization marker protein, and Akt/mTOR/p70S6K-related protein expression levels in each group. Compared with the control group, the protein levels of AI, MDA, Bax, and iNOS in the model, L-EPO, and M-EPO groups were significantly increased, while the T-SOD level and Bcl-2, ARG1, p-Akt, p-mTOR, and p-70S6K protein levels were significantly decreased (P < 0.05). Compared with the model group, AI, MAD levels and Bax, iNOS protein expression levels in L-EPO, M-EPO, and H-EPO groups were significantly decreased, while T-SOD level and Bcl-2, ARG1, p-Akt, p-mTOR, and p-70S6K protein levels were significantly increased. The changes were dose-dependent. In summary, EPO can activate microglia transformation from M1 to M2 through Akt/mTOR/p70S6K signaling pathway.
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Affiliation(s)
- Xiuling Wu
- Department of Pediatrics, Maternal and Child Health Hospital of Shenzhen Dapeng New District, Shenzhen, Guangdong, China
| | - Bo Wang
- Department of Pediatrics, Shenzhen Second People's Hospital, Shenzhen, Guangdong, China
| | - Qiling Ma
- Department of Pediatrics, Shenzhen Second People's Hospital, Shenzhen, Guangdong, China
| | - Yunfang Zhang
- Department of Pediatrics, Shenzhen Second People's Hospital, Shenzhen, Guangdong, China
| | - Ji Xu
- The Central Laboratory, Shenzhen Second People's Hospital, Shenzhen, Guangdong, China
| | - Zhongyuan Zhang
- Department of Pediatrics, Shenzhen Second People's Hospital, Shenzhen, Guangdong, China
| | - Guangfu Chen
- Department of Pediatric Neurological Rehabilitation, Maternal and Child Health Hospital of Shenzhen Longhua District, Shenzhen, Guangdong, China
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Xia G, Li X, Zhang Z, Jiang Y. Effect of food processing on the antioxidant activity of flavones from Polygonatum odoratum (Mill.) Druce. Open Life Sci 2021; 16:92-101. [PMID: 33817302 PMCID: PMC7874555 DOI: 10.1515/biol-2021-0010] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2020] [Revised: 11/19/2020] [Accepted: 11/21/2020] [Indexed: 01/06/2023] Open
Abstract
Polygonatum odoratum (Mill.) Druce (POD) is a natural plant widely used for food and medicine, thanks to its rich content of a strong antioxidant agent called homoisoflavones. However, food processing methods could affect the stability of POD flavones, resulting in changes to their antioxidant activity. This study attempts to evaluate the antioxidant activity of POD flavones subject to different processing methods and determines which method could preserve the antioxidant activity of POD flavones. Therefore, flavones were extracted from POD samples, which had been treated separately with one of the four processing methods: extrusion, baking, high-pressure treatment, and yeast fermentation. After that, the antioxidant activity of the flavones was subject to in vivo tests in zebrafish embryos. The results show that yeast fermentation had the least disruption to the antioxidant activity of POD flavones, making it the most suitable food processing method for POD. By contrast, extrusion and high-pressure treatment both slightly weakened the antioxidant activity of the flavones and should be avoided in food processing. The research results provide a reference for the development and utilization of POD and the protection of its biological activity.
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Affiliation(s)
- Guanghui Xia
- College of Food Science and Engineering, Tonghua Normal University, Tonghua 134001, China.,College of Food Science, Shenyang Agricultural University, Shenyang 110866, China
| | - Xinhua Li
- College of Food Science, Shenyang Agricultural University, Shenyang 110866, China
| | - Zhen Zhang
- College of Food Science, Shenyang Agricultural University, Shenyang 110866, China
| | - Yuhang Jiang
- College of Food Science and Engineering, Tonghua Normal University, Tonghua 134001, China
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Bovine Milk Fat Globule Epidermal Growth Factor VIII activates PI3K/Akt signaling pathway and attenuates sarcopenia in rat model induced by d-galactose. FOOD BIOSCI 2021. [DOI: 10.1016/j.fbio.2020.100847] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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