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Ni Y, Wang Z, Zhuge F, Zhou K, Zheng L, Hu X, Wang S, Fu O, Fu Z. Hydrolyzed Chicken Meat Extract and Its Bioactive Cyclopeptides Protect Neural Function by Attenuating Inflammation and Apoptosis via PI3K/AKT and AMPK Pathways. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:16708-16725. [PMID: 39016108 DOI: 10.1021/acs.jafc.4c02063] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/18/2024]
Abstract
Cognitive decline is inevitable with age, and due to the lack of well-established pharmacotherapies for neurodegenerative disorders, dietary supplements have become important alternatives to ameliorate brain deterioration. Hydrolyzed chicken meat extract (HCE) and its bioactive components were previously found to improve neuroinflammation and cognitive decline by regulating microglia polarization. However, the effects and mechanisms of these bioactives on neurons remain unclear. Here, the most potent bioactive component on neural function in HCE was screened out, and the detailed mechanism was clarified through in vivo and in vitro experiments. We found that HCE, cyclo(Val-Pro), cyclo(Phe-Phe), cyclo(His-Pro), cyclo(Leu-Lys), and arginine exerted stronger anti-inflammatory and antioxidant effects among the 12 bioactives in amyloid β (Aβ)-treated HT-22 cells. Further transcriptome sequencing and polymerase chain reaction (PCR) array analysis showed that these bioactives participated in different signaling pathways, and cyclo(Val-Pro) was identified as the most potent cyclic dipeptide. In addition, the antiapoptotic and neuroprotective effect of cyclo(Val-Pro) was partly regulated by the activation of PI3K/AKT and AMPK pathways, and the inhibition of these pathways abolished the effect of cyclo(Val-Pro). Moreover, cyclo(Val-Pro) enhanced cognitive function and neurogenesis and alleviated neuroinflammation and oxidative stress in middle-aged mice, with an effect similar to HCE. Hippocampal transcriptome analysis further revealed that HCE and cyclo(Val-Pro) significantly enriched the neuroactive ligand-receptor interaction pathway, verified by enhanced neurotransmitter levels and upregulated neurotransmitter receptor-related gene expression. Therefore, the mechanism of cyclo(Val-Pro) on neural function might be associated with PI3K/AKT and AMPK pathway-mediated antiapoptotic effect and neurogenesis and the activation of the neurotransmitter-receptor pathway.
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Affiliation(s)
- Yinhua Ni
- College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou 310032, China
| | - Zhaorong Wang
- College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou 310032, China
| | - Fen Zhuge
- Institute of Translational Medicine, The Affiliated Hospital of Hangzhou Normal University, Hangzhou 310015, China
| | - Kexin Zhou
- College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou 310032, China
| | - Liujie Zheng
- College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou 310032, China
| | - Xinyang Hu
- College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou 310032, China
| | - Sisi Wang
- College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou 310032, China
| | - Ou Fu
- Science Center for Future Foods, Jiangnan University, Wuxi 214122, China
| | - Zhengwei Fu
- College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou 310032, China
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Wang X, Li B, Yu X, Zhou Y, Wang K, Gao Y. Notoginsenoside R1 ameliorates the inflammation induced by amyloid‑β by suppressing SphK1‑mediated NF‑κB activation in PC12 cells. Mol Med Rep 2024; 29:16. [PMID: 38063180 PMCID: PMC10716814 DOI: 10.3892/mmr.2023.13139] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Accepted: 10/25/2023] [Indexed: 12/18/2023] Open
Abstract
Alzheimer's disease (AD) is the most common type of age‑related dementia, and causes progressive memory degradation, neuronal loss and brain atrophy. The pathological hallmarks of AD consist of amyloid‑β (Aβ) plaque accumulation and abnormal neurofibrillary tangles. Amyloid fibrils are constructed from Aβ peptides, which are recognized to assemble into toxic oligomers and exert cytotoxicity. The fibrillar Aβ‑protein fragment 25‑35 (Aβ25‑35) induces local inflammation, thereby exacerbating neuronal apoptosis. Notoginsenoside R1 (NGR1), one of the primary bioactive ingredients isolated from Panax notoginseng, exhibits effective anti‑inflammatory and anti‑oxidative activities. However, NGR1 pharmacotherapies targeting Aβ‑induced inflammation and cell injury cascade remain to be elucidated. The present study investigated the effect and mechanism of NGR1 in Aβ25‑35‑treated PC12 cells. NGR1 doses between 250 and 1,000 µg/ml significantly increased cell viability suppressed by 20 µM Aβ25‑35 peptide treatment. Notably, the present study demonstrated that Aβ25‑35 peptide‑induced sphingosine kinase 1 (SphK1) signaling activation was reduced after NGR1 treatment, further inhibiting the downstream NF‑κB inflammatory signaling pathway. In addition, administration of SphK1 inhibitor II (SKI‑II), a SphK1 inhibitor, also significantly reduced Aβ25‑35 peptide‑induced apoptosis and the ratio of NF‑κB p‑p65/p65. Furthermore, SphK1 knockdown in PC12 cells using small interfering RNA alleviated Aβ‑induced cell apoptosis and inflammation, suggesting a pivotal role of SphK1 signaling in the anti‑inflammatory effect of NGR1. In summary, NGR1 alleviated inflammation and apoptosis stimulated by Aβ25‑35 by inhibiting the SphK1/NF‑κB signaling pathway and may be a promising agent for future AD treatment.
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Affiliation(s)
- Xiaonan Wang
- Department of Geriatric Medicine, Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310006, P.R. China
| | - Bei Li
- Department of Geriatric Medicine, Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310006, P.R. China
| | - Xiaohong Yu
- Department of Geriatric Medicine, Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310006, P.R. China
| | - Ye Zhou
- Department of Geriatric Medicine, Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310006, P.R. China
| | - Kaile Wang
- Department of Geriatric Medicine, Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310006, P.R. China
| | - Yue Gao
- Department of Geriatric Medicine, Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310006, P.R. China
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Yang M, Liu C, Jiang N, Liu Y, Luo S, Li C, Zhao H, Han Y, Chen W, Li L, Xiao L, Sun L. Mitochondrial homeostasis: a potential target for delaying renal aging. Front Pharmacol 2023; 14:1191517. [PMID: 37397494 PMCID: PMC10308014 DOI: 10.3389/fphar.2023.1191517] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2023] [Accepted: 06/05/2023] [Indexed: 07/04/2023] Open
Abstract
Mitochondria, which are the energy factories of the cell, participate in many life activities, and the kidney is a high metabolic organ that contains abundant mitochondria. Renal aging is a degenerative process associated with the accumulation of harmful processes. Increasing attention has been given to the role of abnormal mitochondrial homeostasis in renal aging. However, the role of mitochondrial homeostasis in renal aging has not been reviewed in detail. Here, we summarize the current biochemical markers associated with aging and review the changes in renal structure and function during aging. Moreover, we also review in detail the role of mitochondrial homeostasis abnormalities, including mitochondrial function, mitophagy and mitochondria-mediated oxidative stress and inflammation, in renal aging. Finally, we describe some of the current antiaging compounds that target mitochondria and note that maintaining mitochondrial homeostasis is a potential strategy against renal aging.
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Affiliation(s)
- Ming Yang
- Department of Nephrology, The Second Xiangya Hospital of Central South University, Changsha, China
- Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, Hunan, China
| | - Chongbin Liu
- Department of Nephrology, The Second Xiangya Hospital of Central South University, Changsha, China
- Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, Hunan, China
| | - Na Jiang
- Department of Nephrology, The Second Xiangya Hospital of Central South University, Changsha, China
- Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, Hunan, China
| | - Yan Liu
- Department of Nephrology, The Second Xiangya Hospital of Central South University, Changsha, China
- Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, Hunan, China
| | - Shilu Luo
- Department of Nephrology, The Second Xiangya Hospital of Central South University, Changsha, China
- Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, Hunan, China
| | - Chenrui Li
- Department of Nephrology, The Second Xiangya Hospital of Central South University, Changsha, China
- Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, Hunan, China
| | - Hao Zhao
- Department of Nephrology, The Second Xiangya Hospital of Central South University, Changsha, China
- Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, Hunan, China
| | - Yachun Han
- Department of Nephrology, The Second Xiangya Hospital of Central South University, Changsha, China
- Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, Hunan, China
| | - Wei Chen
- Department of Nephrology, The Second Xiangya Hospital of Central South University, Changsha, China
- Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, Hunan, China
| | - Li Li
- Department of Nephrology, The Second Xiangya Hospital of Central South University, Changsha, China
- Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, Hunan, China
| | - Li Xiao
- Department of Nephrology, The Second Xiangya Hospital of Central South University, Changsha, China
- Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, Hunan, China
| | - Lin Sun
- Department of Nephrology, The Second Xiangya Hospital of Central South University, Changsha, China
- Hunan Key Laboratory of Kidney Disease and Blood Purification, Changsha, Hunan, China
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Ni Y, Zheng A, Hu Y, Rong N, Zhang Q, Long W, Yang S, Nan S, Zhang L, Zhou K, Wu T, Fu Z. Compound dietary fiber and high-grade protein diet improves glycemic control and ameliorates diabetes and its comorbidities through remodeling the gut microbiota in mice. Front Nutr 2022; 9:959703. [PMID: 35958251 PMCID: PMC9363113 DOI: 10.3389/fnut.2022.959703] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2022] [Accepted: 07/04/2022] [Indexed: 12/02/2022] Open
Abstract
Dietary intervention with a low glycemic index and full nutritional support is emerging as an effective strategy for diabetes management. Here, we found that the treatment of a novel compound dietary fiber and high-grade protein diet (CFP) improved glycemic control and insulin resistance in streptozotocin-induced diabetic mice, with a similar effect to liraglutide. In addition, CFP treatment ameliorated diabetes-related metabolic syndromes, such as hyperlipidemia, hepatic lipid accumulation and adipogenesis, systemic inflammation, and diabetes-related kidney damage. These results were greatly associated with enhanced gut barrier function and altered gut microbiota composition and function, especially those bacteria, microbial functions, and metabolites related to amino acid metabolism. Importantly, no adverse effect of CFP was found in our study, and CFP exerted a wider arrange of protection against diabetes than liraglutide. Thereby, fortification with balanced dietary fiber and high-grade protein, like CFP, might be an effective strategy for the management and treatment of diabetes.
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Affiliation(s)
- Yinhua Ni
- College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou, China
| | - Aqian Zheng
- College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou, China
| | - Yating Hu
- College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou, China
| | - Nianke Rong
- College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou, China
| | - Qianpeng Zhang
- Polaris Health Life Science Research Center, Zhejiang University of Technology, Hangzhou, China
| | - Wenmin Long
- Polaris Health Life Science Research Center, Zhejiang University of Technology, Hangzhou, China
| | - Song Yang
- College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou, China
| | - Sujie Nan
- College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou, China
| | - Liqian Zhang
- College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou, China
| | - Kexin Zhou
- College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou, China
| | - Tianxing Wu
- Department of Chemistry, Zhejiang University, Hangzhou, China
| | - Zhengwei Fu
- College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou, China
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Hydrolyzed chicken meat extract boosts the immunoregulatory effect by regulating M1/M2 Macrophage polarization. J Funct Foods 2022. [DOI: 10.1016/j.jff.2022.105194] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
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Dipeptide Extract Modulates the Oxi-Antioxidant Response to Intense Physical Exercise. Nutrients 2022; 14:nu14122402. [PMID: 35745133 PMCID: PMC9228507 DOI: 10.3390/nu14122402] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Revised: 06/07/2022] [Accepted: 06/08/2022] [Indexed: 12/02/2022] Open
Abstract
Exposure to intense physical exercise increases reactive oxygen and nitrogen species production. The process can be modulated by dipeptide bioavailability with antioxidant scavenger properties. The effects of dipeptide intake in combination with physical exercise on the oxi-antioxidant response were examined in a randomized and placebo-controlled trial. Blood samples were collected from 20 males aged 21.2 ± 1.8 years before and after 14-day intake of chicken breast extract (4 g/day), which is a good source of bioactive dipeptides. A significant increase in the NO/H2O2 ratio was observed in the 1st and 30th minute after intense incremental exercise in dipeptides compared to the placebo group. Total antioxidant and thiol redox status were significantly higher in the dipeptide group both before and after exercise; η2 ≥ 0.64 showed a large effect of dipeptides on antioxidant and glutathione status. The level of 8-isoprostanes, markers of oxidative damage, did not change under the influence of dipeptides. By contrast, reduced C-reactive protein levels were found during the post-exercise period in the dipeptide group, which indicates the anti-inflammatory properties of dipeptides. High pre-exercise dipeptide intake enhances antioxidant status and thus reduces the oxi-inflammatory response to intense exercise. Therefore, the application of dipeptides seems to have favourable potential for modulating oxidative stress and inflammation in physically active individuals following a strenuous exercise schedule.
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Ni L, Zhuge F, Yang S, Ma L, Zheng A, Zhao Y, Hu L, Fu Z, Ni Y. Hydrolyzed Chicken Meat Extract Attenuates Neuroinflammation and Cognitive Impairment in Middle-Aged Mouse by Regulating M1/M2 Microglial Polarization. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2021; 69:9800-9812. [PMID: 34404209 DOI: 10.1021/acs.jafc.1c03541] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Aging is the most common cause of several neurodegenerative disorders, such as Alzheimer's disease and Parkinson's disease. The pathological hallmarks of age-dependent neuropathology consist of chronic neuroinflammation, oxidative stress, gliosis, learning disability, and cognitive decline. A novel hydrolyzed bioactive peptide mixture extracted from chicken meat, that is, hydrolyzed chicken extract (HCE) has been previously demonstrated to exert neuroprotective effects in rodents and humans. However, the mechanism of HCE on age-related neurological disorders remains unclear. Herein, we aimed to clarify the impact and mechanism of isolated bioactive components (BCs) from HCE on age-dependent neuroinflammation and cognitive impairment in middle-aged mice. We found that both BC and HCE supplementation ameliorated age-induced memory loss, alleviated hippocampal neuroinflammation and oxidative stress, followed by promoting hippocampal neurogenesis in mice. BC and HCE treatment also ameliorated age-dependent morphological anomalies and alleviated microgliosis and astrogliosis. In parallel, BC and HCE treatment showed a significant decrease in the NF-κB p65 and p38 MAPK signaling, which were associated with the enhancement of antioxidative enzymes activities. Furthermore, BC treatment attenuated the neuroinflammatory phenotypes by the decrease in M1-polarized microglia and the increase in M2-polarized microglia in vivo and in vitro. In addition, we found that cyclo(Phe-Phe), one of the cyclopeptides purified from BC, showed notable anti-inflammatory effects in BV2 cells. Taken together, BC might be used as a dietary supplement for alleviating age-dependent neuropathology in middle-aged individuals.
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Affiliation(s)
- Liyang Ni
- College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou 310032, China
| | - Fen Zhuge
- Institute of Translational Medicine, The Affiliated Hospital of Hangzhou Normal University, Hangzhou 310015, China
| | - Song Yang
- College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou 310032, China
| | - Lingyan Ma
- College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou 310032, China
| | - Aqian Zheng
- College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou 310032, China
| | - Yufeng Zhao
- College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou 310032, China
| | - Luting Hu
- College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou 310032, China
| | - Zhengwei Fu
- College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou 310032, China
| | - Yinhua Ni
- College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou 310032, China
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