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Fan L, Li L, Zhao Y, Zhao Y, Wang F, Wang Q, Ma Z, He S, Qiu J, Zhang J, Li J, Chang Z, Zhang Y. Antagonizing Effects of Chromium Against Iron-Decreased Glucose Uptake by Regulating ROS-Mediated PI3K/Akt/GLUT4 Signaling Pathway in C2C12. Biol Trace Elem Res 2024; 202:701-712. [PMID: 37156991 DOI: 10.1007/s12011-023-03695-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Accepted: 05/02/2023] [Indexed: 05/10/2023]
Abstract
To investigate the effect of chromium and iron on glucose metabolism via the PI3K/Akt/GLUT4 signaling pathway. Skeletal muscle gene microarray data in T2DM (GSE7014) was selected using Gene Expression Omnibus database. Element-gene interaction datasets of chromium and iron were extracted from comparative toxicogenomics database (CTD). Gene ontology (GO)and Kyoto Encyclopedia of Genes and Genomes (KEGG) enrichment analyses were performed using DAVID online tool. Cell viability, insulin-stimulated glucose uptake, intracellular reactive oxygen species (ROS) level, and protein expression level were measured in C2C12 cells. The bioinformatics research indicated that PI3K/Akt signaling pathway participated in the effects of chromium and iron associated with T2DM. Insulin-stimulated glucose uptake level was significantly higher in chromium picolinate (Cr group) and lower in ammonium iron citrate (FA group) than that for the control group (P < 0.05); chromium picolinate + ammonium iron citrate (Cr + FA group) glucose uptake level was higher than that for the FA group (P < 0.05). Intracellular ROS level was significantly higher in the FAC group than that for the control group (P < 0.05), and that for the Cr + FA group was lower than that for the FA group (P < 0.05). p-PI3K/PI3K, p-Akt/Akt, and GLUT4 levels were significantly lower in the FA group than that for the control group (P < 0.05), and the Cr + FA group had higher levels than the FA group (P < 0.05). Chromium might have a protective effect on iron-induced glucose metabolism abnormalities through the ROS-mediated PI3K/Akt/GLUT4 signaling pathway.
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Affiliation(s)
- Ling Fan
- School of Public Health and Management, Ningxia Medical University, Yinchuan, Ningxia, China
| | - Liping Li
- School of Public Health and Management, Ningxia Medical University, Yinchuan, Ningxia, China
| | - Yu Zhao
- School of Public Health and Management, Ningxia Medical University, Yinchuan, Ningxia, China
| | - Yi Zhao
- The Key Laboratory of Environmental Factors and Chronic Disease Control of Ningxia, Yinchuan, Ningxia, China
| | - Faxuan Wang
- The Key Laboratory of Environmental Factors and Chronic Disease Control of Ningxia, Yinchuan, Ningxia, China
| | - Qingan Wang
- The Key Laboratory of Environmental Factors and Chronic Disease Control of Ningxia, Yinchuan, Ningxia, China
| | - Zhanbing Ma
- School of Basic Medicine, Ningxia Medical University, Yinchuan, Ningxia, China
| | - Shulan He
- School of Public Health and Management, Ningxia Medical University, Yinchuan, Ningxia, China
| | - Jiangwei Qiu
- School of Public Health and Management, Ningxia Medical University, Yinchuan, Ningxia, China
| | - Jiaxing Zhang
- School of Public Health and Management, Ningxia Medical University, Yinchuan, Ningxia, China
| | - Juan Li
- School of Public Health and Management, Ningxia Medical University, Yinchuan, Ningxia, China
| | - Zhenqi Chang
- School of Public Health and Management, Ningxia Medical University, Yinchuan, Ningxia, China
| | - Yuhong Zhang
- School of Public Health and Management, Ningxia Medical University, Yinchuan, Ningxia, China.
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Meng F, Ke J, Guo F, Yan J, Wang L. DhHP-6 alleviates inflammation and reduces vascular permeability by eliminating reactive oxygen species. Free Radic Res 2023; 57:325-337. [PMID: 37533406 DOI: 10.1080/10715762.2023.2243030] [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: 01/16/2023] [Revised: 07/21/2023] [Accepted: 07/21/2023] [Indexed: 08/04/2023]
Abstract
Inflammation is a defensive immune response to external stimuli. However, uncontrolled inflammation may cause potential damage to the host. Therefore, timely control of uncontrolled inflammation is particularly important. Previous studies have found that small molecules with antioxidant activity, such as peroxidase mimic enzymes, can inhibit the development of inflammation. DhHP-6 is a new peptide mimic of peroxidase previously designed by our laboratory. Here, we explored its anti-inflammatory activity in vitro and in vivo. Our results showed that treatment with DhHP-6 significantly reduced the production of reactive oxygen species (ROS), NO, IL-6, and TNF-α in RAW264.7 cells induced by lipopolysaccharides (LPS); in addition, it also blocked the phosphorylation of extracellularly regulated kinase 1 and 2 (ERK1/2) and ribosomal s6 kinase 1 (RSK1), thereby blocking the phosphorylation and degradation of IκBα, and inhibiting the nuclear translocation of p65. Interestingly, treatment with DhHP-6 blocked the phosphorylation of ERK1/2 and myosin light chain kinase (MLCK) in HUVECs induced by LPS. Finally, we found that DhHP-6 treatment significantly reduced the infiltration of immune cells in balloon model rats. Therefore, we believe that DhHP-6 is a potent inhibitor of inflammation.
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Affiliation(s)
- Fanwei Meng
- Key Laboratory for Molecular Enzymology and Engineering, Ministry of Education, Jilin University, Changchun, China
- School of Life Sciences, Jilin University, Changchun, China
- Jilin Collaborative Innovation Center for Antibody Engineering, Jilin Medical University, Jilin, China
| | - Junfeng Ke
- Key Laboratory for Molecular Enzymology and Engineering, Ministry of Education, Jilin University, Changchun, China
- School of Life Sciences, Jilin University, Changchun, China
| | - Feng Guo
- Key Laboratory for Molecular Enzymology and Engineering, Ministry of Education, Jilin University, Changchun, China
- School of Life Sciences, Jilin University, Changchun, China
| | - Jiaqing Yan
- Hospital of Stomatology, Jilin University, Changchun, China
| | - Liping Wang
- Key Laboratory for Molecular Enzymology and Engineering, Ministry of Education, Jilin University, Changchun, China
- School of Life Sciences, Jilin University, Changchun, China
- Engineering Laboratory for AIDS Vaccine, Jilin University, Changchun, China
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Tang P, Yang X, Chen H, Zhang T, Tang H, Pang K. Anti-diabetic activity of extract from Morus nigra L. twigs through activation of AMPK/PKC pathway in mice. J Funct Foods 2022. [DOI: 10.1016/j.jff.2022.105358] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
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Yuan K, Wang D, Ye X, Li Q, Wu D, Huang C, Yu Z, Chen Z, Lu C. Investigation of antidiabetic effect of a new dicarboxylic acid coordination polymer with Zn(II). J SOLID STATE CHEM 2021. [DOI: 10.1016/j.jssc.2021.122477] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Hou H, Wang J, Wang J, Tang W, Shaikh AS, Li Y, Fu J, Lu L, Wang F, Sun F, Tan H. A Review of Bioactive Peptides: Chemical Modification, Structural Characterization and Therapeutic Applications. J Biomed Nanotechnol 2021; 16:1687-1718. [PMID: 33485398 DOI: 10.1166/jbn.2020.3001] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
In recent years, the development and applications of protein drugs have attracted extensive attention from researchers. However, the shortcomings of protein drugs also limit their further development. Therefore, bioactive peptides isolated or simulated from protein polymers have broad application prospects in food, medicine, biotechnology, and other industries. Such peptides have a molecular weight distribution between 180 and 1000 Da. As a small molecule substance, bioactive peptide is usually degraded by various enzymes in the organism and have a short half-life. At the same time, such substances have poor stability and are difficult to produce and store. Therefore, these active peptides may be modified through phosphorylation, glycosylation, and acylation. Compared with other protein drugs, the modified active peptides are more easily absorbed by the body, have longer half-life, stronger targeting, and fewer side effects in addition to higher bioavailability. In the light of their functions, bioactive peptide can be divided into antimicrobial, anti-tumour, anti-angiogenic, antioxidant, anti-fatigue, and anti-hypertensive peptides. This article mainly focuses on the introduction of several promising biologically active peptides functioning as antimicrobial, anti-tumour, antiangiogenic, and antioxidant peptides from the three aspects modification, structural characteristics and mechanism of action.
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DhHP-6 ameliorates hepatic oxidative stress and insulin resistance in type 2 diabetes mellitus through the PI3K/AKT and AMPK pathway. Biochem J 2020; 477:2363-2381. [PMID: 32510127 DOI: 10.1042/bcj20200402] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Revised: 06/04/2020] [Accepted: 06/05/2020] [Indexed: 12/15/2022]
Abstract
Insulin resistance is one major features of type 2 diabetes mellitus (T2DM). Deuterohemin-βAla-His-Thr-Val-Glu-Lys (DhHP-6), a novel microperoxidase mimetic designed and synthesized based on microperoxidase 11 (MP-11), can scavenge reactive oxygen species (ROS) in vivo. In our previous studies, we showed that oral DhHP-6 could reduce blood glucose and improve insulin resistance. To investigate the mechanisms of how DhHP-6 ameliorates oxidative stress and insulin resistance, we established T2DM mouse models and glucosamine-induced HepG2 cell insulin resistance models. The results suggested that DhHP-6 decreased blood glucose, increased antioxidant enzyme activity, and inhibited glycogen synthesis in T2DM mice. In addition, DhHP-6 improved insulin resistance by activating phosphatidylinositol 3-kinase (PI3K)/AKT, and AMP-activated protein kinase (AMPK) pathway in T2DM mice. Furthermore, DhHP-6 also activated PI3K/AKT and AMPK pathway in glucosamine-induced HepG2 cells. However, LY294002 did not completely inhibit AKT phosphorylation, and partially inhibited AMPK phosphorylation, whilst compound C only partially reduced AMPK phosphorylation, and also partially inhibited AKT phosphorylation, suggesting that AKT and AMPK interact to improve insulin resistance. Thus, these data suggest that DhHP-6 attenuates insulin resistance via the PI3K/AKT and AMPK pathway.
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Degradation of phenol using a peroxidase mimetic catalyst through conjugating deuterohemin-peptide onto metal-organic framework with enhanced catalytic activity. CATAL COMMUN 2020. [DOI: 10.1016/j.catcom.2019.105859] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
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