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Zhu M, Yang L, Kong S, Bai Y, Zhao B. Lacticaseibacillus rhamnosus LRa05 alleviates cyclophosphamide-induced immunosuppression and intestinal microbiota disorder in mice. J Food Sci 2024. [PMID: 39592250 DOI: 10.1111/1750-3841.17538] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2024] [Revised: 10/12/2024] [Accepted: 10/26/2024] [Indexed: 11/28/2024]
Abstract
Probiotics play a crucial role in regulating the gut microbiota and enhancing immune response. Oral administration of probiotics modulates intestinal microbiota composition and immune homeostasis. In this study, we investigated the immunoregulatory effect of Lacticaseibacillus rhamnosus LRa05 on cyclophosphamide (CTX)-induced immunosuppressive mice. The results showed that oral administration of LRa05 reduced weight loss, restored immune organ indices, and maintained the structural integrity of the intestinal tissue in CTX-treated mice. Moreover, oral administration of LRa05 exhibited immune-modulating properties by promoting the secretion of cytokines (tumor necrosis factor-α, interleukin-1β, interleukin-10, and secretory immunoglobulin A) in serum. Moreover, the analysis of 16S rRNA amplicon sequencing revealed that LRa05 increased gut microbiota diversity and regulated its composition. In detail, LRa05 intervention restored the Firmicutes/Bacteroidota ratio and significantly increased the relative abundance of Lachnospiraceae_NK4A136_group, Oscillibacter, Alloprevotella, Parasutterella, and Roseburia in immunocompromised mice. Conversely, the abundances of Helicobacter, Bacteroides, and unclassified_Desulfovibrionaceae were significantly decreased after administration of LRa05. Based on these findings, orally administered LRa05 could effectively maintain intestinal microbiota homeostasis and regulate immunity, suggesting the potential of L. rhamnosus LRa05 as a candidate probiotic strain in the application of dietary supplement. PRACTICAL APPLICATION: Supplement with L. rhamnosus LRa05 can improve immunity, regulate gut microbiota and promote body health.
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Affiliation(s)
- Mingming Zhu
- Wuhan Wecare Probiotic Research Institute, Wuhan, China
| | - Lvzhu Yang
- Wuhan Wecare Probiotic Research Institute, Wuhan, China
| | - Sufen Kong
- Wuhan Wecare Probiotic Research Institute, Wuhan, China
| | - Yuyuan Bai
- National Key Laboratory of Agricultural Microbiology, College of Life Science and Technology, Huazhong Agricultural University, Wuhan, China
| | - Bin Zhao
- Wuhan Wecare Probiotic Research Institute, Wuhan, China
- National Key Laboratory of Agricultural Microbiology, College of Life Science and Technology, Huazhong Agricultural University, Wuhan, China
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Zhu H, Yu Y, Zeng F, Chen X, Liu W, Yu Q, Chen Y, Xie J. Transcriptome profiling reveals the protective mechanism of sulfated Cyclocarya paliurus polysaccharides against oxidative damage of IEC-6 cell. J Food Sci 2024; 89:5858-5869. [PMID: 39042473 DOI: 10.1111/1750-3841.17173] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2024] [Revised: 05/25/2024] [Accepted: 05/29/2024] [Indexed: 07/25/2024]
Abstract
Our previous studies have shown that sulfated Cyclocarya paliurus polysaccharides (SCP3) can alleviate intestinal oxidative stress (OS) damage by improving the antioxidant capacity of the intestine, but its mechanism still needs further exploration. This study aimed to reveal the possible underlying protective mechanism of SCP3 against OS damage of intestinal epithelial cells (IEC-6) based on transcriptome profiling. The results showed that SCP3 could increase the activity of superoxide dismutase and reduce the production of malondialdehyde and reactive oxygen species. In addition, the SCP3 could also alleviate the H2O2-induced high apoptosis rate and mitochondrial membrane potential decrease in IEC-6 cells. RNA-sequencing results showed that there were 2152 differentially expressed genes between the control group and the SCP3 group, and the mitogen-activated protein kinases (MAPK) and PI3K-Akt signaling pathways are the main signaling pathways that contributed to SCP3 protecting IEC-6 cells from OS damage. In summary, the SCP3 plays a role in improving intestinal cell damage by inhibiting OS, which may be closely related to the PI3K/Akt and MAPK signaling pathways. PRACTICAL APPLICATION: This study provides a theoretical basis for the practical application of Cyclocarya paliurus polysaccharides as an antioxidant ingredient in auxiliary medicines and functional foods.
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Affiliation(s)
- Haibin Zhu
- State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang, Jiangxi, China
| | - Yue Yu
- State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang, Jiangxi, China
- Department of Biology and Food Engineering, Bozhou University, Bozhou, Anhui, China
| | - Fengjiao Zeng
- State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang, Jiangxi, China
| | - Xianxiang Chen
- State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang, Jiangxi, China
| | - Wendong Liu
- State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang, Jiangxi, China
| | - Qiang Yu
- State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang, Jiangxi, China
| | - Yi Chen
- State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang, Jiangxi, China
| | - Jianhua Xie
- State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang, Jiangxi, China
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Xian M, Ma Z, Zhan S, Shen L, Li T, Lin H, Huang M, Cai J, Hu T, Liang J, Liang S, Wang S. Network analysis of microbiome and metabolome to explore the mechanism of raw rhubarb in the protection against ischemic stroke via microbiota-gut-brain axis. Fitoterapia 2024; 175:105969. [PMID: 38643860 DOI: 10.1016/j.fitote.2024.105969] [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: 12/23/2023] [Revised: 04/09/2024] [Accepted: 04/17/2024] [Indexed: 04/23/2024]
Abstract
Ischemic stroke (IS) has attracted worldwide attention due to the high mortality and disability rate. Raw rhubarb (RR) is a traditional medicinal plant and whole-food that has been used in China for its various pharmacological activities, such as antioxidant and anti-inflammatory properties. Recent pharmacological research has shown the role of RR against IS, but its mechanism of action remains unclear, particularly in the context of the brain-gut axis. To address this gap in knowledge, the present study was conducted in the middle cerebral artery occlusion/reperfusion (MCAO/R) model with the aim of investigating the effects of RR on regulating the intestinal microbiota barrier and metabolism and thereby reducing inflammatory response so as to improve the IS. The results showed that pre-treatment of RR attenuated cerebral infarct area and inflammation response in MCAO rats. Furthermore, RR also improved intestinal barrier function, including the integrity and permeability of the intestinal barrier. Additionally, RR intervention significantly attenuated gut microbiota dysbiosis caused by ischemic stroke, especially the increased Firmicutes. Notably, the pseudo-germ-free (PGF) rats further demonstrated that the anti-stroke effect of RR might rely on intestinal microbiota. In addition, the UPLC/Q-Orbitrap-MS-Based metabolomics revealed the disrupted metabolic profiles caused by MCAO/R, and a total of 11 differential metabolites were modulated by RR administration, especially bile acids. Further correlation analysis and network pharmacology analysis also demonstrated a strong association between specific bacteria, such as Firmicutes and bile acids. In conclusion, our work demonstrated that RR could effectively ameliorate ischemic stroke by modulating the microbiota and metabolic disorders.
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Affiliation(s)
- Minghua Xian
- Guangdong Pharmaceutical University, Guangzhou 510006, China; Traditional Chinese Medicine Resource Germplasm Bank Management Center, Yunfu 527322, China; Key Laboratory of Digital Quality Evaluation of Chinese Materia Medica of State Administration of TCM, School of Chinese Materia Medica, Guangdong Pharmaceutical University, Guangzhou 510006, China; Engineering & Technology Research Center for Chinese Materia Medica Quality of the Universities of Guangdong Province, School of Chinese Materia Medica, Guangdong Pharmaceutical University, Guangzhou 510006, China.
| | - Zuqing Ma
- Guangdong Pharmaceutical University, Guangzhou 510006, China; Key Laboratory of Digital Quality Evaluation of Chinese Materia Medica of State Administration of TCM, School of Chinese Materia Medica, Guangdong Pharmaceutical University, Guangzhou 510006, China; Engineering & Technology Research Center for Chinese Materia Medica Quality of the Universities of Guangdong Province, School of Chinese Materia Medica, Guangdong Pharmaceutical University, Guangzhou 510006, China
| | - Sikai Zhan
- Guangdong Pharmaceutical University, Guangzhou 510006, China; Key Laboratory of Digital Quality Evaluation of Chinese Materia Medica of State Administration of TCM, School of Chinese Materia Medica, Guangdong Pharmaceutical University, Guangzhou 510006, China; Engineering & Technology Research Center for Chinese Materia Medica Quality of the Universities of Guangdong Province, School of Chinese Materia Medica, Guangdong Pharmaceutical University, Guangzhou 510006, China
| | - Lin Shen
- Guangdong Pharmaceutical University, Guangzhou 510006, China; Key Laboratory of Digital Quality Evaluation of Chinese Materia Medica of State Administration of TCM, School of Chinese Materia Medica, Guangdong Pharmaceutical University, Guangzhou 510006, China; Engineering & Technology Research Center for Chinese Materia Medica Quality of the Universities of Guangdong Province, School of Chinese Materia Medica, Guangdong Pharmaceutical University, Guangzhou 510006, China
| | - Ting Li
- Guangdong Pharmaceutical University, Guangzhou 510006, China; Key Laboratory of Digital Quality Evaluation of Chinese Materia Medica of State Administration of TCM, School of Chinese Materia Medica, Guangdong Pharmaceutical University, Guangzhou 510006, China; Engineering & Technology Research Center for Chinese Materia Medica Quality of the Universities of Guangdong Province, School of Chinese Materia Medica, Guangdong Pharmaceutical University, Guangzhou 510006, China
| | - Huiting Lin
- Guangdong Pharmaceutical University, Guangzhou 510006, China; Key Laboratory of Digital Quality Evaluation of Chinese Materia Medica of State Administration of TCM, School of Chinese Materia Medica, Guangdong Pharmaceutical University, Guangzhou 510006, China; Engineering & Technology Research Center for Chinese Materia Medica Quality of the Universities of Guangdong Province, School of Chinese Materia Medica, Guangdong Pharmaceutical University, Guangzhou 510006, China
| | - Mingmin Huang
- Guangdong Pharmaceutical University, Guangzhou 510006, China; Key Laboratory of Digital Quality Evaluation of Chinese Materia Medica of State Administration of TCM, School of Chinese Materia Medica, Guangdong Pharmaceutical University, Guangzhou 510006, China; Engineering & Technology Research Center for Chinese Materia Medica Quality of the Universities of Guangdong Province, School of Chinese Materia Medica, Guangdong Pharmaceutical University, Guangzhou 510006, China
| | - Jiale Cai
- Guangdong Pharmaceutical University, Guangzhou 510006, China; Key Laboratory of Digital Quality Evaluation of Chinese Materia Medica of State Administration of TCM, School of Chinese Materia Medica, Guangdong Pharmaceutical University, Guangzhou 510006, China; Engineering & Technology Research Center for Chinese Materia Medica Quality of the Universities of Guangdong Province, School of Chinese Materia Medica, Guangdong Pharmaceutical University, Guangzhou 510006, China
| | - Tao Hu
- Guangdong Pharmaceutical University, Guangzhou 510006, China; Key Laboratory of Digital Quality Evaluation of Chinese Materia Medica of State Administration of TCM, School of Chinese Materia Medica, Guangdong Pharmaceutical University, Guangzhou 510006, China; Engineering & Technology Research Center for Chinese Materia Medica Quality of the Universities of Guangdong Province, School of Chinese Materia Medica, Guangdong Pharmaceutical University, Guangzhou 510006, China
| | - Jiaying Liang
- Guangdong Pharmaceutical University, Guangzhou 510006, China; Key Laboratory of Digital Quality Evaluation of Chinese Materia Medica of State Administration of TCM, School of Chinese Materia Medica, Guangdong Pharmaceutical University, Guangzhou 510006, China; Engineering & Technology Research Center for Chinese Materia Medica Quality of the Universities of Guangdong Province, School of Chinese Materia Medica, Guangdong Pharmaceutical University, Guangzhou 510006, China
| | - Shengwang Liang
- Guangdong Pharmaceutical University, Guangzhou 510006, China; Key Laboratory of Digital Quality Evaluation of Chinese Materia Medica of State Administration of TCM, School of Chinese Materia Medica, Guangdong Pharmaceutical University, Guangzhou 510006, China; Engineering & Technology Research Center for Chinese Materia Medica Quality of the Universities of Guangdong Province, School of Chinese Materia Medica, Guangdong Pharmaceutical University, Guangzhou 510006, China
| | - Shumei Wang
- Guangdong Pharmaceutical University, Guangzhou 510006, China; Traditional Chinese Medicine Resource Germplasm Bank Management Center, Yunfu 527322, China; Key Laboratory of Digital Quality Evaluation of Chinese Materia Medica of State Administration of TCM, School of Chinese Materia Medica, Guangdong Pharmaceutical University, Guangzhou 510006, China; Engineering & Technology Research Center for Chinese Materia Medica Quality of the Universities of Guangdong Province, School of Chinese Materia Medica, Guangdong Pharmaceutical University, Guangzhou 510006, China.
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Yin H, Li R, Liu J, Sun Y, Zhao L, Mou J, Yang J. Fucosylated chondroitin sulfate from sea cucumber Stichopus chloronotus alleviate the intestinal barrier injury and oxidative stress damage in vitro and in vivo. Carbohydr Polym 2024; 328:121722. [PMID: 38220325 DOI: 10.1016/j.carbpol.2023.121722] [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: 10/20/2023] [Revised: 12/13/2023] [Accepted: 12/18/2023] [Indexed: 01/16/2024]
Abstract
This study aimed to investigate the alleviative effects of fucosylated chondroitin sulfate from sea cucumber Stichopus chloronotus (fCSSc) on the intestinal barrier injury and oxidative stress damage in vitro and in vivo. The results showed that fCS-Sc protected the intestinal barrier and improved the antioxidant function in H2O2 damaged Caco-2 cells via up-regulating the tight junction proteins and activating Keap1-Nrf2-ARE antioxidant pathway. Furthermore, administration fCS-Sc could ameliorate the weight loss and spleen index decrease in Cyclophosphamide (Cy) treated mice, improve the expressions of ZO-1, Claudin-1, Nrf2, SOD, and NQO-1 in Cy damaged colon tissue, showing significant protective effects against intestinal barrier damage and oxidative stress in vivo. fCS-Sc intervention also alleviated the gut microbiota disorder though increasing the richness and diversity of intestinal bacteria, regulating the structural composition of gut microbiota. fCS-Sc promoted the relative abundance of beneficial microbiota and inhibited the growth of harmful bacteria. This study provided a theoretical basis for the application of fCS-Sc as a prebiotic in chemotherapy.
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Affiliation(s)
- Huanan Yin
- School of Pharmacy, Weifang Medical University, Weifang 261053, Shandong, China
| | - Rui Li
- School of Pharmacy, Weifang Medical University, Weifang 261053, Shandong, China
| | - Jing Liu
- School of Pharmacy, Weifang Medical University, Weifang 261053, Shandong, China
| | - Yanying Sun
- School of Public Health, Weifang Medical University, Weifang 261053, Shandong, China
| | - Lei Zhao
- School of Pharmacy, Weifang Medical University, Weifang 261053, Shandong, China
| | - Jiaojiao Mou
- School of Public Health, Weifang Medical University, Weifang 261053, Shandong, China.
| | - Jie Yang
- School of Pharmacy, Weifang Medical University, Weifang 261053, Shandong, China; Innovative Drug Research and Development Center, Weifang Medical University, Weifang 261053, Shandong, China.
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Madjirebaye P, Peng F, Mueed A, Huang T, Mahamat B, Pahane MM, Xi Q, Chen X, Moussa K, Kadebe ZT, Otchom BB, Xu Y, Xie M, Xiong T, Peng Z. Exploring Impact of Probiotic-Fermented Soymilk on Dextran-Sulfate-Sodium-Induced Ulcerative Colitis via Modulating Inflammation and Gut Microbiota Profile. Mol Nutr Food Res 2024; 68:e2300586. [PMID: 38299716 DOI: 10.1002/mnfr.202300586] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Revised: 11/29/2023] [Indexed: 02/02/2024]
Abstract
SCOPE Lactic acid bacteria with probiotic functions and their fermentation products play a role in regulating ulcerative colitis (UC). This study investigates the potential role of fermented soymilk (FSM4) rich in isoflavones on DSS-induced UC. METHODS AND RESULTS Mice received 3% DSS and are supplemented daily once for 1 week by NFSM and FSM4. DSS usually causes intestinal inflammation and alters the gut microbiota. FSM4 intervention improves the UC-related inflammation and gut microbiota alteration. It considerably decreases pro-inflammatories such as TNF-α, IL-1β, and IL-6 in serum and COX-2 and MPO in colon tissues and pathogenic bacteria (Escherichia-Shigella). This facilitates gut-healthy bacteria growth. These healthy bacteria negatively correlat with pro-inflammatory factors but positively associated with acetic acid, butyric acid, and propionic acid, which may act for PPAR-γ pathway activating and NF-κB p65 pathway inhibiting, lowering the risk of UC. Overall, FSM4 might alleviate UC and significantly reverse the dysbiosis of gut microbiota via the PPAR-γ activation. It could be a good alternative for developing functional food to protect against UC. CONCLUSION FSM4 attenuates intestinal inflammation and modulates the SCFA-producing bacteria growth, which enable the PPAR-γ activation to alleviate the UC target, which could be a dietary intervention strategy for gut health.
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Affiliation(s)
- Philippe Madjirebaye
- State Key Laboratory of Food Science and Resources, No. 235 Nanjing East Road, Nanchang, Jiangxi, 330047, P.R. China
- School of Food Science and Resources, Nanchang University, No. 235 Nanjing East Road, Nanchang, Jiangxi, 330047, P.R. China
| | - Fei Peng
- State Key Laboratory of Food Science and Resources, No. 235 Nanjing East Road, Nanchang, Jiangxi, 330047, P.R. China
- School of Food Science and Resources, Nanchang University, No. 235 Nanjing East Road, Nanchang, Jiangxi, 330047, P.R. China
| | - Abdul Mueed
- State Key Laboratory of Food Science and Resources, No. 235 Nanjing East Road, Nanchang, Jiangxi, 330047, P.R. China
- School of Food Science and Resources, Nanchang University, No. 235 Nanjing East Road, Nanchang, Jiangxi, 330047, P.R. China
| | - Tao Huang
- State Key Laboratory of Food Science and Resources, No. 235 Nanjing East Road, Nanchang, Jiangxi, 330047, P.R. China
- School of Food Science and Resources, Nanchang University, No. 235 Nanjing East Road, Nanchang, Jiangxi, 330047, P.R. China
- International Institute of Food Innovation, Nanchang University, No. 235 Nanjing East Road, Nanchang, Jiangxi, 330047, P.R. China
| | - Bechir Mahamat
- Faculty of Human Health Sciences, University of N'Djamena, N'Djamena, BP:117, Chad
| | | | - Qinghua Xi
- State Key Laboratory of Food Science and Resources, No. 235 Nanjing East Road, Nanchang, Jiangxi, 330047, P.R. China
- School of Food Science and Resources, Nanchang University, No. 235 Nanjing East Road, Nanchang, Jiangxi, 330047, P.R. China
| | - Xianxiang Chen
- State Key Laboratory of Food Science and Resources, No. 235 Nanjing East Road, Nanchang, Jiangxi, 330047, P.R. China
- School of Food Science and Resources, Nanchang University, No. 235 Nanjing East Road, Nanchang, Jiangxi, 330047, P.R. China
| | - Kalli Moussa
- Faculty of Human Health Sciences, University of N'Djamena, N'Djamena, BP:117, Chad
| | - Zoua Tessou Kadebe
- Faculty of Human Health Sciences, University of N'Djamena, N'Djamena, BP:117, Chad
| | - Brahim Boy Otchom
- Faculty of Human Health Sciences, University of N'Djamena, N'Djamena, BP:117, Chad
| | - Yazhou Xu
- State Key Laboratory of Food Science and Resources, No. 235 Nanjing East Road, Nanchang, Jiangxi, 330047, P.R. China
- School of Food Science and Resources, Nanchang University, No. 235 Nanjing East Road, Nanchang, Jiangxi, 330047, P.R. China
| | - Mingyong Xie
- State Key Laboratory of Food Science and Resources, No. 235 Nanjing East Road, Nanchang, Jiangxi, 330047, P.R. China
- School of Food Science and Resources, Nanchang University, No. 235 Nanjing East Road, Nanchang, Jiangxi, 330047, P.R. China
| | - Tao Xiong
- State Key Laboratory of Food Science and Resources, No. 235 Nanjing East Road, Nanchang, Jiangxi, 330047, P.R. China
- School of Food Science and Resources, Nanchang University, No. 235 Nanjing East Road, Nanchang, Jiangxi, 330047, P.R. China
| | - Zhen Peng
- State Key Laboratory of Food Science and Resources, No. 235 Nanjing East Road, Nanchang, Jiangxi, 330047, P.R. China
- School of Food Science and Resources, Nanchang University, No. 235 Nanjing East Road, Nanchang, Jiangxi, 330047, P.R. China
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Zhang DW, Lu JL, Dong BY, Fang MY, Xiong X, Qin XJ, Fan XM. Gut microbiota and its metabolic products in acute respiratory distress syndrome. Front Immunol 2024; 15:1330021. [PMID: 38433840 PMCID: PMC10904571 DOI: 10.3389/fimmu.2024.1330021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Accepted: 01/30/2024] [Indexed: 03/05/2024] Open
Abstract
The prevalence rate of acute respiratory distress syndrome (ARDS) is estimated at approximately 10% in critically ill patients worldwide, with the mortality rate ranging from 17% to 39%. Currently, ARDS mortality is usually higher in patients with COVID-19, giving another challenge for ARDS treatment. However, the treatment efficacy for ARDS is far from satisfactory. The relationship between the gut microbiota and ARDS has been substantiated by relevant scientific studies. ARDS not only changes the distribution of gut microbiota, but also influences intestinal mucosal barrier through the alteration of gut microbiota. The modulation of gut microbiota can impact the onset and progression of ARDS by triggering dysfunctions in inflammatory response and immune cells, oxidative stress, cell apoptosis, autophagy, pyroptosis, and ferroptosis mechanisms. Meanwhile, ARDS may also influence the distribution of metabolic products of gut microbiota. In this review, we focus on the impact of ARDS on gut microbiota and how the alteration of gut microbiota further influences the immune function, cellular functions and related signaling pathways during ARDS. The roles of gut microbiota-derived metabolites in the development and occurrence of ARDS are also discussed.
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Affiliation(s)
- Dong-Wei Zhang
- Department of Respiratory and Critical Care Medicine, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, China
- Inflammation & Allergic Diseases Research Unit, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, China
- Department of Respiratory and Critical Care Medicine, Liuzhou People’s Hospital, Guangxi Medical University, Liuzhou, Guangxi, China
- Key Laboratory of Diagnosis, Treatment and Research of Asthma and Chronic Obstructive Pulmonary Disease, Liuzhou, Guangxi, China
| | - Jia-Li Lu
- Department of Respiratory and Critical Care Medicine, Liuzhou People’s Hospital, Guangxi Medical University, Liuzhou, Guangxi, China
- Key Laboratory of Diagnosis, Treatment and Research of Asthma and Chronic Obstructive Pulmonary Disease, Liuzhou, Guangxi, China
| | - Bi-Ying Dong
- Department of Respiratory and Critical Care Medicine, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, China
- Inflammation & Allergic Diseases Research Unit, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, China
- Department of Respiratory and Critical Care Medicine, Liuzhou People’s Hospital, Guangxi Medical University, Liuzhou, Guangxi, China
- Key Laboratory of Diagnosis, Treatment and Research of Asthma and Chronic Obstructive Pulmonary Disease, Liuzhou, Guangxi, China
| | - Meng-Ying Fang
- Department of Respiratory and Critical Care Medicine, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, China
- Inflammation & Allergic Diseases Research Unit, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, China
| | - Xia Xiong
- Department of Dermatology, The Affiliated Hospital, Southwest Medical University, Luzhou, Sichuan, China
| | - Xue-Jun Qin
- Department of Respiratory and Critical Care Medicine, Liuzhou People’s Hospital, Guangxi Medical University, Liuzhou, Guangxi, China
- Key Laboratory of Diagnosis, Treatment and Research of Asthma and Chronic Obstructive Pulmonary Disease, Liuzhou, Guangxi, China
| | - Xian-Ming Fan
- Department of Respiratory and Critical Care Medicine, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, China
- Inflammation & Allergic Diseases Research Unit, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, China
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Zhang Y, Zhao M, He J, Chen L, Wang W. In vitro and in vivo immunomodulatory activity of acetylated polysaccharides from Cyclocarya paliurus leaves. Int J Biol Macromol 2024; 259:129174. [PMID: 38181912 DOI: 10.1016/j.ijbiomac.2023.129174] [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: 04/24/2023] [Revised: 12/04/2023] [Accepted: 12/29/2023] [Indexed: 01/07/2024]
Abstract
In this study, we aimed to investigate the immunomodulatory effects of polysaccharides from Cyclocarya paliurus leaves after acetylation modification (Ac-CPP0.1) on dendritic cells (DCs) and immunosuppressed mice. In vitro, Ac-CPP0.1 promoted phenotypic and functional maturation of DCs. Specifically, it increased the expression of costimulatory molecules (CD80, CD86, and MHC II) and the secretion of cytokines (TNF-α, IL-6, IL-1β, IL-10, IL-12p70) of DCs. In vivo, Ac-CPP0.1 significantly improved immunosuppression of mice, which was manifested by increased body weight and immune organ index, up-regulated cytokines (IL-4, IL-17, TGF-β3, and TNF-α), and restored short-chain fatty acid (SCFAs) levels of intestinal. The immunoactivation of Ac-CPP0.1 in DCs and in mice is linked to the activation of the TLR4/NF-κB signaling pathway. Furthermore, Ac-CPP0.1 reversed intestinal flora imbalance caused by cyclophosphamide. At the species level, Ac-CPP0.1 increased the abundance of unclassified_Muribaculaceae, unclassified_Desulfovibrio, Bacteroides_acidifaciens and Faecalibaculum_rodentium, decreased the level of Lactobacillus_johnsonii, unclassified_g_Staphylococcus and Staphylococcus_nepalensis. In summary, Ac-CPP0.1 has considerable immunomodulatory potential, which is beneficial to the future utilization and development of Cyclocarya paliurus.
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Affiliation(s)
- Yang Zhang
- Jiangxi Province Key Laboratory of Animal Nutrition, College of Animal Science and Technology, Jiangxi Agricultural University, Nanchang 330045, China
| | - Meng Zhao
- Key Lab for Agro-product Processing and Quality Control of Nanchang City, College of Food Science and Engineering, Jiangxi Agricultural University, Nanchang 330045, China
| | - Jing He
- Key Lab for Agro-product Processing and Quality Control of Nanchang City, College of Food Science and Engineering, Jiangxi Agricultural University, Nanchang 330045, China
| | - Lingli Chen
- Key Lab for Agro-product Processing and Quality Control of Nanchang City, College of Food Science and Engineering, Jiangxi Agricultural University, Nanchang 330045, China
| | - Wenjun Wang
- Key Lab for Agro-product Processing and Quality Control of Nanchang City, College of Food Science and Engineering, Jiangxi Agricultural University, Nanchang 330045, China.
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8
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Wang X, Li X, Zhang L, An L, Guo L, Huang L, Gao W. Recent progress in plant-derived polysaccharides with prebiotic potential for intestinal health by targeting gut microbiota: a review. Crit Rev Food Sci Nutr 2023; 64:12242-12271. [PMID: 37651130 DOI: 10.1080/10408398.2023.2248631] [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] [Indexed: 09/01/2023]
Abstract
Natural products of plant origin are of high interest and widely used, especially in the food industry, due to their low toxicity and wide range of bioactive properties. Compared to other plant components, the safety of polysaccharides has been generally recognized. As dietary fibers, plant-derived polysaccharides are mostly degraded in the intestine by polysaccharide-degrading enzymes secreted by gut microbiota, and have potential prebiotic activity in both non-disease and disease states, which should not be overlooked, especially in terms of their involvement in the treatment of intestinal diseases and the promotion of intestinal health. This review elucidates the regulatory effects of plant-derived polysaccharides on gut microbiota and summarizes the mechanisms involved in targeting gut microbiota for the treatment of intestinal diseases. Further, the structure-activity relationships between different structural types of plant-derived polysaccharides and the occurrence of their prebiotic activity are further explored. Finally, the practical applications of plant-derived polysaccharides in food production and food packaging are summarized and discussed, providing important references for expanding the application of plant-derived polysaccharides in the food industry or developing functional dietary supplements.
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Affiliation(s)
- Xiaozhen Wang
- Tianjin Key Laboratory for Modern Drug Delivery & High-Efficiency, School of Pharmaceutical Science and Technology, Tianjin University, Tianjin, China
| | - Xia Li
- Tianjin Key Laboratory for Modern Drug Delivery & High-Efficiency, School of Pharmaceutical Science and Technology, Tianjin University, Tianjin, China
| | - Luyao Zhang
- Tianjin Key Laboratory for Modern Drug Delivery & High-Efficiency, School of Pharmaceutical Science and Technology, Tianjin University, Tianjin, China
| | - Lingzhuo An
- Tianjin Key Laboratory for Modern Drug Delivery & High-Efficiency, School of Pharmaceutical Science and Technology, Tianjin University, Tianjin, China
| | - Lanping Guo
- National Resource Center for Chinese Materia Medica, Academy of Chinese Medical Sciences, Beijing, China
| | - Luqi Huang
- National Resource Center for Chinese Materia Medica, Academy of Chinese Medical Sciences, Beijing, China
| | - Wenyuan Gao
- Tianjin Key Laboratory for Modern Drug Delivery & High-Efficiency, School of Pharmaceutical Science and Technology, Tianjin University, Tianjin, China
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9
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Wen Z, Kang L, Fu H, Zhu S, Ye X, Yang X, Zhang S, Hu J, Li X, Chen L, Hu Y, Yang X. Oral delivery of porous starch-loaded bilayer microgels for controlled drug delivery and treatment of ulcerative colitis. Carbohydr Polym 2023; 314:120887. [PMID: 37173037 DOI: 10.1016/j.carbpol.2023.120887] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2023] [Revised: 03/16/2023] [Accepted: 04/03/2023] [Indexed: 05/15/2023]
Abstract
We prepared one type of bilayer microgels for oral administration with three effects: pH responsiveness, time lag, and colon enzyme degradation. Combined with the dual biological effects of curcumin (Cur) for reducing inflammation and promoting repair of colonic mucosal injury, targeted colonic localization and release of Cur according to the colonic microenvironment were enhanced. The inner core, derived from guar gum and low-methoxyl pectin, afforded colonic adhesion and degradation behavior; the outer layer, modified by alginate and chitosan via polyelectrolyte interaction, achieved colonic localization. The porous starch (PS)-mediated strong adsorption allowed Cur loading in inner core to achieve a multifunctional delivery system. In vitro, the formulations exhibited good bioresponses at different pH conditions, potentially delaying Cur release in the upper gastrointestinal tract. In vivo, dextran sulfate sodium-induced ulcerative colitis (UC) symptoms were significantly alleviated after oral administration, accompanied by reduced levels of inflammatory factors. The formulations facilitated colonic delivery, allowing Cur accumulation in colonic tissue. Moreover, the formulations could alter gut microbiota composition in mice. During Cur delivery, each formulation increased species richness, decreased pathogenic bacterial content, and afforded synergistic effects against UC. These PS-loaded bilayer microgels, exhibiting excellent biocompatibility, multi-bioresponsiveness, and colon targeting, could be beneficial in UC therapy, allowing development into a novel oral formulation.
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Affiliation(s)
- Zhijie Wen
- School of Pharmaceutical Science, South-Central MinZu University, Wuhan 430074, PR China; National Demonstration Center for Experimental Ethnopharmacology Education, South-Central MinZu University, Wuhan 430074, PR China; Key Laboratory of Analytical Chemistry of the State Ethnic Affairs Commission, South-Central MinZu University, Wuhan 430074, PR China
| | - Li Kang
- School of Pharmaceutical Science, South-Central MinZu University, Wuhan 430074, PR China; National Demonstration Center for Experimental Ethnopharmacology Education, South-Central MinZu University, Wuhan 430074, PR China; Key Laboratory of Analytical Chemistry of the State Ethnic Affairs Commission, South-Central MinZu University, Wuhan 430074, PR China
| | - Hudie Fu
- School of Pharmaceutical Science, South-Central MinZu University, Wuhan 430074, PR China; National Demonstration Center for Experimental Ethnopharmacology Education, South-Central MinZu University, Wuhan 430074, PR China; Key Laboratory of Analytical Chemistry of the State Ethnic Affairs Commission, South-Central MinZu University, Wuhan 430074, PR China
| | - Shengpeng Zhu
- School of Pharmaceutical Science, South-Central MinZu University, Wuhan 430074, PR China; National Demonstration Center for Experimental Ethnopharmacology Education, South-Central MinZu University, Wuhan 430074, PR China; Key Laboratory of Analytical Chemistry of the State Ethnic Affairs Commission, South-Central MinZu University, Wuhan 430074, PR China
| | - Xuexin Ye
- School of Pharmaceutical Science, South-Central MinZu University, Wuhan 430074, PR China; National Demonstration Center for Experimental Ethnopharmacology Education, South-Central MinZu University, Wuhan 430074, PR China; Key Laboratory of Analytical Chemistry of the State Ethnic Affairs Commission, South-Central MinZu University, Wuhan 430074, PR China
| | - Xuedan Yang
- School of Pharmaceutical Science, South-Central MinZu University, Wuhan 430074, PR China; National Demonstration Center for Experimental Ethnopharmacology Education, South-Central MinZu University, Wuhan 430074, PR China; Key Laboratory of Analytical Chemistry of the State Ethnic Affairs Commission, South-Central MinZu University, Wuhan 430074, PR China
| | - Shangwen Zhang
- School of Pharmaceutical Science, South-Central MinZu University, Wuhan 430074, PR China; National Demonstration Center for Experimental Ethnopharmacology Education, South-Central MinZu University, Wuhan 430074, PR China; Key Laboratory of Analytical Chemistry of the State Ethnic Affairs Commission, South-Central MinZu University, Wuhan 430074, PR China
| | - Jie Hu
- School of Pharmaceutical Science, South-Central MinZu University, Wuhan 430074, PR China; National Demonstration Center for Experimental Ethnopharmacology Education, South-Central MinZu University, Wuhan 430074, PR China; Key Laboratory of Analytical Chemistry of the State Ethnic Affairs Commission, South-Central MinZu University, Wuhan 430074, PR China
| | - Xiaojun Li
- School of Pharmaceutical Science, South-Central MinZu University, Wuhan 430074, PR China; National Demonstration Center for Experimental Ethnopharmacology Education, South-Central MinZu University, Wuhan 430074, PR China; Key Laboratory of Analytical Chemistry of the State Ethnic Affairs Commission, South-Central MinZu University, Wuhan 430074, PR China
| | - Lvyi Chen
- School of Pharmaceutical Science, South-Central MinZu University, Wuhan 430074, PR China; National Demonstration Center for Experimental Ethnopharmacology Education, South-Central MinZu University, Wuhan 430074, PR China; Key Laboratory of Analytical Chemistry of the State Ethnic Affairs Commission, South-Central MinZu University, Wuhan 430074, PR China
| | - Yan Hu
- School of Pharmaceutical Science, South-Central MinZu University, Wuhan 430074, PR China; National Demonstration Center for Experimental Ethnopharmacology Education, South-Central MinZu University, Wuhan 430074, PR China; Key Laboratory of Analytical Chemistry of the State Ethnic Affairs Commission, South-Central MinZu University, Wuhan 430074, PR China.
| | - Xinzhou Yang
- School of Pharmaceutical Science, South-Central MinZu University, Wuhan 430074, PR China; National Demonstration Center for Experimental Ethnopharmacology Education, South-Central MinZu University, Wuhan 430074, PR China; Key Laboratory of Analytical Chemistry of the State Ethnic Affairs Commission, South-Central MinZu University, Wuhan 430074, PR China.
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10
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Wang L, Chen J, Zhang X, Xu M, Zhang X, Zhao W, Cui J. Effects of microplastics and tetracycline on intestinal injury in mice. CHEMOSPHERE 2023:139364. [PMID: 37391084 DOI: 10.1016/j.chemosphere.2023.139364] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Revised: 06/26/2023] [Accepted: 06/27/2023] [Indexed: 07/02/2023]
Abstract
Microplastics (MPs) and tetracycline are both emerging environmental pollutants that threaten human health. The toxic impacts of their single and coexposure on the intestine and gut microbiota have not been well studied in mammals. Given the spatial functional characteristics of the intestine, it is important to know whether the toxicities of MPs and tetracycline in different intestinal segments are distinct. This study investigated the pathological and functional injuries of different intestinal segments and the microbial disorder upon exposure to polystyrene microplastics (PS-MPs) and/or tetracycline hydrochloride (TCH). Both PS-MPs and TCH altered the intestinal morphology and induced functional impairment. However, the PS-MPs primarily damaged the colon, while TCH mainly damaged the small intestine, especially the jejunum. Combined treatment evoked ameliorative adverse effects on the intestinal segments except for the ileum. Gut microbiota analysis revealed that PS-MPs and/or TCH decreased gut microbiota diversity, especially PS-MPs. In addition, PS-MPs and TCH affected the microflora metabolic processes, especially protein absorption and digestion. Gut microbiota dysbiosis could partly lead to the physical and functional damage induced by PS-MPs and TCH. These findings enhance our knowledge regarding the hazards of coexisting microplastics and antibiotics for mammalian intestinal health.
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Affiliation(s)
- Lixin Wang
- College of Environmental Science and Engineering, Hebei University of Science and Technology, Hebei Key Laboratory of Pollution Prevention Biotechnology, Shijiazhuang, 050018, China; Hebei Key Laboratory of Molecular Chemistry for Drug, Shijiazhuang, 050018, China.
| | - Jiamin Chen
- College of Environmental Science and Engineering, Hebei University of Science and Technology, Hebei Key Laboratory of Pollution Prevention Biotechnology, Shijiazhuang, 050018, China; Hebei Key Laboratory of Molecular Chemistry for Drug, Shijiazhuang, 050018, China
| | - Xuan Zhang
- College of Environmental Science and Engineering, Hebei University of Science and Technology, Hebei Key Laboratory of Pollution Prevention Biotechnology, Shijiazhuang, 050018, China; Hebei Key Laboratory of Molecular Chemistry for Drug, Shijiazhuang, 050018, China
| | - Man Xu
- College of Environmental Science and Engineering, Hebei University of Science and Technology, Hebei Key Laboratory of Pollution Prevention Biotechnology, Shijiazhuang, 050018, China; Hebei Key Laboratory of Molecular Chemistry for Drug, Shijiazhuang, 050018, China
| | - Xuyan Zhang
- College of Environmental Science and Engineering, Hebei University of Science and Technology, Hebei Key Laboratory of Pollution Prevention Biotechnology, Shijiazhuang, 050018, China; Hebei Key Laboratory of Molecular Chemistry for Drug, Shijiazhuang, 050018, China
| | - Wanqing Zhao
- College of Environmental Science and Engineering, Hebei University of Science and Technology, Hebei Key Laboratory of Pollution Prevention Biotechnology, Shijiazhuang, 050018, China; Hebei Key Laboratory of Molecular Chemistry for Drug, Shijiazhuang, 050018, China
| | - Jiansheng Cui
- College of Environmental Science and Engineering, Hebei University of Science and Technology, Hebei Key Laboratory of Pollution Prevention Biotechnology, Shijiazhuang, 050018, China; Hebei Key Laboratory of Molecular Chemistry for Drug, Shijiazhuang, 050018, China.
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11
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Niu Y, Liu W, Fan X, Wen D, Wu D, Wang H, Liu Z, Li B. Beyond cellulose: pharmaceutical potential for bioactive plant polysaccharides in treating disease and gut dysbiosis. Front Microbiol 2023; 14:1183130. [PMID: 37293228 PMCID: PMC10244522 DOI: 10.3389/fmicb.2023.1183130] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Accepted: 05/04/2023] [Indexed: 06/10/2023] Open
Abstract
Polysaccharides derived from plants, algae, or fungi serve as the major components of some human diets. Polysaccharides have been shown to exhibit diverse biological activities in improving human health, and have also been proposed to function as potent modulators of gut microbiota composition, thus playing a bi-directional regulatory role in host health. Here, we review a variety of polysaccharide structures potentially linked to biological functions, and cover current research progress in characterizing their pharmaceutical effects in various disease models, including antioxidant, anticoagulant, anti-inflammatory, immunomodulatory, hypoglycemic, and antimicrobial activities. We also highlight the effects of polysaccharides on modulating gut microbiota via enrichment for beneficial taxa and suppression of potential pathogens, leading to increased microbial expression of carbohydrate-active enzymes and enhanced short chain fatty acid production. This review also discusses polysaccharide-mediated improvements in gut function by influencing interleukin and hormone secretion in host intestinal epithelial cells.
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Affiliation(s)
- Yuanlin Niu
- Key Laboratory of Animal Genetics and Breeding on Tibetan Plateau, Ministry of Agriculture and Rural Affairs, Institute of Animal Husbandry and Veterinary, Tibet Academy of Agricultural and Animal Husbandry Sciences, Lhasa, China
- School of Public Health, Lanzhou University, Lanzhou, China
| | - Wei Liu
- Key Laboratory of Animal Genetics and Breeding on Tibetan Plateau, Ministry of Agriculture and Rural Affairs, Institute of Animal Husbandry and Veterinary, Tibet Academy of Agricultural and Animal Husbandry Sciences, Lhasa, China
- School of Public Health, Lanzhou University, Lanzhou, China
| | - Xueni Fan
- Key Laboratory of Animal Genetics and Breeding on Tibetan Plateau, Ministry of Agriculture and Rural Affairs, Institute of Animal Husbandry and Veterinary, Tibet Academy of Agricultural and Animal Husbandry Sciences, Lhasa, China
- School of Public Health, Lanzhou University, Lanzhou, China
| | - Dongxu Wen
- Key Laboratory of Animal Genetics and Breeding on Tibetan Plateau, Ministry of Agriculture and Rural Affairs, Institute of Animal Husbandry and Veterinary, Tibet Academy of Agricultural and Animal Husbandry Sciences, Lhasa, China
| | - Dan Wu
- Key Laboratory of Animal Genetics and Breeding on Tibetan Plateau, Ministry of Agriculture and Rural Affairs, Institute of Animal Husbandry and Veterinary, Tibet Academy of Agricultural and Animal Husbandry Sciences, Lhasa, China
| | - Hongzhuang Wang
- Key Laboratory of Animal Genetics and Breeding on Tibetan Plateau, Ministry of Agriculture and Rural Affairs, Institute of Animal Husbandry and Veterinary, Tibet Academy of Agricultural and Animal Husbandry Sciences, Lhasa, China
| | - Zhenjiang Liu
- National Engineering Laboratory for AIDS Vaccine, School of Life Sciences, Jilin University, Changchun, China
| | - Bin Li
- Key Laboratory of Animal Genetics and Breeding on Tibetan Plateau, Ministry of Agriculture and Rural Affairs, Institute of Animal Husbandry and Veterinary, Tibet Academy of Agricultural and Animal Husbandry Sciences, Lhasa, China
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12
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Lu H, Shen M, Chen Y, Yu Q, Chen T, Xie J. Alleviative effects of natural plant polysaccharides against DSS-induced ulcerative colitis via inhibiting inflammation and modulating gut microbiota. Food Res Int 2023; 167:112630. [PMID: 37087227 DOI: 10.1016/j.foodres.2023.112630] [Citation(s) in RCA: 25] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Revised: 01/04/2023] [Accepted: 02/21/2023] [Indexed: 03/07/2023]
Abstract
Ulcerative colitis (UC) treatment usually involves either drug therapy or surgery. Natural food polysaccharides have showed great potential for preventing UC. In this study, the therapeutic effects of Cyclocarya paliurus (Batal.) Iljinskaja polysaccharide (CP) and Chinese yam polysaccharide (CYP) on dextran sodium sulfate (DSS)-induced mice UC model and their underlying mechanisms were explored. The results suggested that CP and CYP could improve colitis symptoms in DSS-induced mice, enhance the production of IL-10, inhibit cytokines (IL-1β, TNF-α) and reduce MPO activity. Furthermore, they maintained the integrity of intestine by improving the expression of mucin MUC-2, ZO-1 and occludin, which in turn reduced the contents of lipopolysaccharide binding protein (LBP) and endotoxin (ET) in serum and oxidative stress in liver. Finally, they modulated the composition and metabolism of gut microbiota. Notably, Alistipes and Bacteroides were the specific genera in CP and CYP groups, respectively. These findings indicated that polysaccharides might alleviate the development of colitis and inform other relevant studies.
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13
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Chen XW, Zheng YY, Ouyang JM. Sulfated Undaria pinnatifida Polysaccharide Promotes Endocytosis of Nano-Calcium Oxalate Dihydrate by Repairing Subcellular Organelles in HK-2 Cells. Antioxidants (Basel) 2023; 12:antiox12051015. [PMID: 37237881 DOI: 10.3390/antiox12051015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Revised: 04/22/2023] [Accepted: 04/24/2023] [Indexed: 05/28/2023] Open
Abstract
The clinical manifestation of primary hyperoxaluria includes hyperoxaluria and recurrent urinary calculi. In this study, an oxidative damage model was constructed based on oxalate damage to the human renal proximal tubular epithelial cells (HK-2), and a comparative study was carried out on four different sulfated levels of Undaria pinnatifida polysaccharides (UPP0, UPP1, UPP2, and UPP3 with sulfate group [-OSO3-] contents of 1.59%, 6.03%, 20.83%, and 36.39%, respectively) on the repair of oxidatively damaged HK-2 cells. The results showed that after repair by UPPs, cell viability was enhanced, healing ability was improved, the intracellular superoxide dismutase level and mitochondrial membrane potential were increased, malondialdehyde, reactive oxygen species, and intracellular Ca2+ levels were reduced, cellular autophagy was reduced; lysosomal integrity was improved, and cytoskeleton and cell morphology were restored. The ability of repaired cells to endocytose nano-calcium oxalate dihydrate crystals (nano-COD) was enhanced. The activity of UPPs was closely related to their -OSO3- content. A too high or too low -OSO3- content was not conducive to polysaccharide activity, and only UPP2 exhibited the best cell repair ability and strongest ability to promote the cell endocytosis of crystals. UPP2 may be used as a potential agent to inhibit CaOx crystal deposition caused by high oxalate concentration.
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Affiliation(s)
- Xue-Wu Chen
- Institute of Biomineralization and Lithiasis Research, College of Chemistry and Materials Science, Jinan University, Guangzhou 510632, China
| | - Yu-Yun Zheng
- Institute of Biomineralization and Lithiasis Research, College of Chemistry and Materials Science, Jinan University, Guangzhou 510632, China
| | - Jian-Ming Ouyang
- Institute of Biomineralization and Lithiasis Research, College of Chemistry and Materials Science, Jinan University, Guangzhou 510632, China
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14
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Wu S, Chen X, Cai R, Chen X, Zhang J, Xie J, Shen M. Sulfated Chinese Yam Polysaccharides Alleviate LPS-Induced Acute Inflammation in Mice through Modulating Intestinal Microbiota. Foods 2023; 12:foods12091772. [PMID: 37174310 PMCID: PMC10178587 DOI: 10.3390/foods12091772] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2023] [Revised: 04/14/2023] [Accepted: 04/19/2023] [Indexed: 05/15/2023] Open
Abstract
This study aimed to test the preventive anti-inflammatory properties of Chinese yam polysaccharides (CYP) and sulfated Chinese yam polysaccharides (SCYP) on LPS-induced systemic acute inflammation in mice and investigate their mechanisms of action. The results showed that SCYP can efficiently reduce plasma TNF-α and IL-6 levels, exhibiting an obvious anti-inflammation ability. Moreover, SCYP reduced hepatic TNF-α, IL-6, and IL-1β secretion more effectively than CYP, and significantly altered intestinal oxidative stress levels. In addition, a 16S rRNA gene sequencing analysis showed that CYP regulated the gut microbiota by decreasing Desulfovibrio and Sutterella and increasing Prevotella. SCYP changed the gut microbiota by decreasing Desulfovibrio and increasing Coprococcus, which reversed the microbiota dysbiosis caused by LPS. Linear discriminant analysis (LDA) effect size (LEfSe) revealed that treatment with CYP and SCYP can produce more biomarkers of the gut microbiome that can promote the proliferation of polysaccharide-degrading bacteria and facilitate the intestinal de-utilization of polysaccharides. These results suggest that SCYP can differentially regulate intestinal flora, and that they exhibit anti-inflammatory effects, thus providing a new reference to rationalize the exploitation of sulfated yam polysaccharides.
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Affiliation(s)
- Shihua Wu
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China
| | - Xianxiang Chen
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China
| | - Ruixin Cai
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China
| | - Xiaodie Chen
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China
| | - Jian Zhang
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China
| | - Jianhua Xie
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China
| | - Mingyue Shen
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China
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15
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Gui R, Wang YK, Wu JP, Deng GM, Cheng F, Zeng HL, Zeng PH, Long HP, Zhang W, Wei XF, Wang WX, Zhu GZ, Ren WQ, Chen ZH, He XA, Xu KP. Cyclocarya paliurus leaves alleviate hyperuricemic nephropathy via modulation of purine metabolism, antiinflammation, and antifibrosis. J Funct Foods 2023. [DOI: 10.1016/j.jff.2023.105485] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/12/2023] Open
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16
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Zeng FS, Yao YF, Wang LF, Li WJ. Polysaccharides as antioxidants and prooxidants in managing the double-edged sword of reactive oxygen species. Biomed Pharmacother 2023; 159:114221. [PMID: 36634589 DOI: 10.1016/j.biopha.2023.114221] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Revised: 01/03/2023] [Accepted: 01/04/2023] [Indexed: 01/11/2023] Open
Abstract
Polysaccharides, a class of naturally occurring carbohydrates, were widely presented in animals, plants, and microorganisms. Recently, health benefits of polysaccharides have attracted much attention due to their unique characteristics in reactive oxygen species (ROS) management. ROS, by-products of aerobic metabolism linked to food consumption, exhibited a dual role in protecting cells and fostering pathogenesis collectively termed double-edged sword. Some interesting studies reported that polysaccharides could behave as prooxidants under certain conditions, besides antioxidant capacities. Potentiation of the bright side of ROS could contribute to the host defense that was vitally important for the polysaccharides acting as biological response modifiers. Correspondingly, disease prevention of polysaccharides linked to the management of ROS production was systematically described and discussed in this review. Furthermore, major challenges and future prospects were presented, aiming to provide new insight into applying polysaccharides as functional food ingredients and medicine.
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Affiliation(s)
- Fan-Sen Zeng
- State Key Laboratory of Food Science and Technology, Nanchang University, 235 Nanjing East Road, Nanchang 330047, China
| | - Yu-Fei Yao
- Department of Critical Care Medicine, The Affiliated Hospital of Jiangxi University of Traditional Chinese Medicine, Nanchang 330006, China
| | - Le-Feng Wang
- State Key Laboratory of Food Science and Technology, Nanchang University, 235 Nanjing East Road, Nanchang 330047, China; Department of Ophthalmology, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Wen-Juan Li
- State Key Laboratory of Food Science and Technology, Nanchang University, 235 Nanjing East Road, Nanchang 330047, China.
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17
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Tian J, Zhao X, Tang C, Wang X, Zhang X, Xiao L, Li W. Protective effect of Paecilomyces cicadae TJJ11213 exopolysaccharide on intestinal mucosa and regulation of gut microbiota in immunosuppressed mice. Food Res Int 2023; 165:112477. [PMID: 36869490 DOI: 10.1016/j.foodres.2023.112477] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2022] [Revised: 12/26/2022] [Accepted: 01/09/2023] [Indexed: 01/13/2023]
Abstract
The exopolysaccharide (EPS) form Paecilomyces cicadae TJJ1213 possessed immunomodulatory activity in vitro, but whether it could regulate the immune system and intestinal microbiota in vivo remained unknown. In this study, the cyclophosphamide (CTX)-induced immunosuppressive mouse model was established to explore the immunomodulatory activity of EPS. Results showed that EPS could increase the immune organ indices, promote the secretion of serum immunoglobulins and up-regulate the expression of cytokines. Additionally, EPS could repair CTX-induced intestinal injury by increasing the expression of tight junction proteins and promoting the production of short-chain fatty acids. Moreover, EPS could remarkably enhance immunity through TLR4/MyD88/NF-κB and mitogen-activated protein kinase (MAPK) signaling pathways. Furthermore, EPS regulated intestinal microbiota by increasing the abundance of beneficial bacteria (Muribaculaceae, Lachnospiraceae NK4A136, Bacteroides, Odoribacter) and reducing the level of harmful bacteria (Alistipes, Helicobacter). In conclusion, our study suggested that EPS had the abilities to enhance immunity, restore intestinal mucosal injury and modulate intestinal microbiota, and may serve as a potential prebiotic to maintain health in the future.
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Affiliation(s)
- Juanjuan Tian
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing, Jiangsu 210095, PR China; College of Tea and Food Science Technology, Jiangsu Vocational College of Agriculture and Forestry, Jurong, Jiangsu 212400, PR China
| | - Xiaogan Zhao
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing, Jiangsu 210095, PR China
| | - Chao Tang
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing, Jiangsu 210095, PR China
| | - Xiaomeng Wang
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing, Jiangsu 210095, PR China
| | - Xueliang Zhang
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing, Jiangsu 210095, PR China
| | - Luyao Xiao
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing, Jiangsu 210095, PR China
| | - Wei Li
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing, Jiangsu 210095, PR China.
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18
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Li X, Chen W, Gao J, Gao W, Zhang Y, Zeng H, Zheng B. Structural changes of butyrylated lotus seed starch and its impact on the gut microbiota of rat in vitro fermentation. Food Hydrocoll 2023. [DOI: 10.1016/j.foodhyd.2023.108501] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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19
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Lu S, Yuan Y, Chen F, Zheng Y, Li C, Cao J, Xia G, Liu Z, Shen X, He Y, Zhou D, Zhu K. Holothuria Leucospilota polysaccharides alleviate hyperlipidemia via alteration of lipid metabolism and inflammation-related gene expression. J Food Biochem 2022; 46:e14392. [PMID: 36111651 DOI: 10.1111/jfbc.14392] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2022] [Revised: 08/05/2022] [Accepted: 08/29/2022] [Indexed: 01/13/2023]
Abstract
Hyperlipemia is becoming a chronic disease that threatens human health. At the same time, people pay more and more attention to hyperlipemia. Holothuria Leucospilota polysaccharide (HLP) has been reported to ameliorate hyperlipidemia in high-fat diet-induced rats. Therefore, this study aimed to explore further metabolomics' role in improving liver function and reveal its mechanism. After oral administration of HLP for 4 weeks, total cholesterol (TC) and triglycerides (TG) levels of the liver in 100 and 200 mg/kg HLP groups were both decreased significantly (p < .05). The results showed that serum AST and ALT activity decreased by professing to be convinced of HLP. HLP also exerted antioxidant activities and up-regulated the expression of ACC, CD36, TNF-α and NF-κB in the liver of diabetic rats. Six potential biomarkers were recognized by UPLC-Q-TOF/MS and OPLS-DA. HLP alleviated liver injury by regulating the contents of metabolic end products in the serum of hyperlipidemic rats, such as nadolol and glycodeoxycholic acid. The results indicated that HLP effectively relieved HFD-induced hyperlipidemia by regulating metabolic disorders. PRACTICAL APPLICATIONS: As a chronic disease, hyperlipidemia has attracted more and more attention. Studies have shown that HLP regulates dyslipidemia, oxidative damage and inflammation to relieve hyperlipidemia. It mainly improved the liver damage caused by hyperlipidemia by inhibiting the expression of hepatic lipogenesis, oxidative stress and inflammatory factors. At the same time, we also detected six metabolites, among which high GDCA content indicated serious liver damage. Therefore, in the future, it can be suggested that HLP may be used as a functional, active substance in health products to assist in relieving hyperlipidemia, and GDCA may be used as an essential metabolic marker for the degree of liver injury.
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Affiliation(s)
- Shanshan Lu
- Engineering Research Centre of Utilization of Tropical Polysaccharide Resources of MOE, School of Food Science and Engineering, Hainan University, Haikou, China
| | - Yiqiong Yuan
- Engineering Research Centre of Utilization of Tropical Polysaccharide Resources of MOE, School of Food Science and Engineering, Hainan University, Haikou, China
| | - Fei Chen
- Engineering Research Centre of Utilization of Tropical Polysaccharide Resources of MOE, School of Food Science and Engineering, Hainan University, Haikou, China
| | - Yuanping Zheng
- Engineering Research Centre of Utilization of Tropical Polysaccharide Resources of MOE, School of Food Science and Engineering, Hainan University, Haikou, China
| | - Chuan Li
- Engineering Research Centre of Utilization of Tropical Polysaccharide Resources of MOE, School of Food Science and Engineering, Hainan University, Haikou, China.,Collaborative Innovation Center of Provincial and ministerial co-construction for Marine Food Deep Processing, Dalian Polytechnic University, Dalian, China
| | - Jun Cao
- Engineering Research Centre of Utilization of Tropical Polysaccharide Resources of MOE, School of Food Science and Engineering, Hainan University, Haikou, China
| | - Guanghua Xia
- Engineering Research Centre of Utilization of Tropical Polysaccharide Resources of MOE, School of Food Science and Engineering, Hainan University, Haikou, China.,Collaborative Innovation Center of Provincial and ministerial co-construction for Marine Food Deep Processing, Dalian Polytechnic University, Dalian, China
| | - Zhongyuan Liu
- Engineering Research Centre of Utilization of Tropical Polysaccharide Resources of MOE, School of Food Science and Engineering, Hainan University, Haikou, China.,Collaborative Innovation Center of Provincial and ministerial co-construction for Marine Food Deep Processing, Dalian Polytechnic University, Dalian, China
| | - Xuanri Shen
- Engineering Research Centre of Utilization of Tropical Polysaccharide Resources of MOE, School of Food Science and Engineering, Hainan University, Haikou, China.,Collaborative Innovation Center of Provincial and ministerial co-construction for Marine Food Deep Processing, Dalian Polytechnic University, Dalian, China
| | - Yanfu He
- Engineering Research Centre of Utilization of Tropical Polysaccharide Resources of MOE, School of Food Science and Engineering, Hainan University, Haikou, China
| | - Dayong Zhou
- Collaborative Innovation Center of Provincial and ministerial co-construction for Marine Food Deep Processing, Dalian Polytechnic University, Dalian, China
| | - Kexue Zhu
- Spice and Beverage Research Institute, Chinese Academy of Tropical Agricultural Sciences, Wanning, China
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20
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Zhang C, Shu Y, Li Y, Guo M. Extraction and immunomodulatory activity of the polysaccharide obtained from Craterellus cornucopioides. Front Nutr 2022; 9:1017431. [PMID: 36424922 PMCID: PMC9678937 DOI: 10.3389/fnut.2022.1017431] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Accepted: 10/21/2022] [Indexed: 11/10/2022] Open
Abstract
In this study, we investigated the structural features of the polysaccharide obtained from Craterellus cornucopioides (CCP2) by high-performance liquid chromatography, Fourier transform infrared spectroscopy and ion chromatography. The results showed that CCP2 was a catenarian pyranose that principally comprised of mannose, galactose, glucose, and xylose in the ratio of 1.86: 1.57: 1.00: 1.14, with a molecular weight of 8.28 × 104 Da. Moreover, the immunoregulation effect of CCP2 was evaluated both in vitro and in vivo. It displayed a remarkable immunological activity and activation in RAW264.7 cells by enhancing the phagocytosis of macrophages in a dose-dependent manner without showing cytotoxicity at the concentrations of 10–200 μg/mL in vitro. Additionally, Histopathological analysis indicated the protective function of CCP2 against immunosuppression induced by cyclophosphamide (Cy). Meanwhile, the intake of CCP2 had better immunoregulatory activity for immunosuppression BALB/c mice model. After prevention by CCP2, the spleen and thymus weight indexes of BALB/c mice model were significantly increased. The RT-qPCR and Western Blot results provided comprehensive evidence that the CCP2 could activate macrophages by enhancing the production of cytokines (IL-2, IL-6, and IL-8) and upregulating the protein expression of cell membrane receptor TLR4 and its downstream protein kinase (TRAF6, TRIF, and NF-κB p65) production of immunosuppressive mice through TLR4-NFκB p65 pathway. The results demonstrated that CCP2 could be a potential prebiotic and might provide meaningful information for further research on the immune mechanism.
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21
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Tian W, You Y, Sun X, Wang L, Wang L, Wang S, Ai C, Song S. H2O2-TiO2 photocatalytic degradation of chondroitin sulfate and in vivo absorption and excertion of its product. Carbohydr Polym 2022; 301:120295. [DOI: 10.1016/j.carbpol.2022.120295] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Revised: 10/11/2022] [Accepted: 10/30/2022] [Indexed: 11/06/2022]
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22
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Xie L, Xie J, Chen X, Tao X, Xie J, Shi X, Huang Z. Comparative transcriptome analysis of Monascus purpureus at different fermentation times revealed candidate genes involved in exopolysaccharide biosynthesis. Food Res Int 2022; 160:111700. [DOI: 10.1016/j.foodres.2022.111700] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2022] [Revised: 06/27/2022] [Accepted: 07/15/2022] [Indexed: 11/26/2022]
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23
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Yang X, Liu H, Yang J, Ma Z, Guo P, Chen H, Gao D. Purification, structural characterization and immunological activity of Sibiraea laexigata (L.) Maxim polysaccharide. Front Nutr 2022; 9:1013020. [PMID: 36185700 PMCID: PMC9521201 DOI: 10.3389/fnut.2022.1013020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2022] [Accepted: 08/29/2022] [Indexed: 11/13/2022] Open
Abstract
Sibiraea laexigata (L.) Maxim (SLM) has been used as an herbal tea for treating stomach discomfort and indigestion for a long time in china. Polysaccharides have been identified as one of the major bioactive compounds in the SLM. In the present paper, ultrasonic-assisted enzymatic extraction (UAEE) method was employed in polysaccharides extraction derived from SLM using polyethylene glycol (PEG) as extraction solvent, two SLM polysaccharides (SLMPs) fractions (SLMPs-1-1 and SLMPs-2-1) were purified by DEAE Cellulose-52 and Sephadex G-100 chromatography in sequence. Then, the preliminarily structure of the two factions were characterized by chemical composition analysis, molecular weight measurement, UVS, HPLC-PMP, FT-IR, nuclear magnetic resonance (NMR) spectra analysis and SEM. The results showed that SLMPs-1-1 and SLMPs-2-1 with different molecular weights of 1.03 and 1.02 kDa, mainly composed of glucose (46.76 and 46.79%), respectively. The results of structural characterization from FT-IR, 1H NMR, and SEM revealed that SLMPs-1-1 and SLMPs-2-1 contained the typical pyranoid polysaccharide with α-glycosidic bond and β-glycosidic bond. Furthermore, it was found that SLMPs-1-1 could increase the levels of tumor necrosis factor-α (TNF-α) and interleukin-2 (IL-2), and alleviated the immune organs tissue damage of cyclophosphamide (Cy)-treated mice. RT-qPCR and Western-Blot analysis showed that SLMPs-1-1 could significantly up-regulated the levels of NF-κB, TLR4, which revealed that SLMPs-1-1 could participate in immunosuppressive protection of Cy-treated mice. These findings suggested that the potential of SLMPs-1-1 as an alternative immunostimulator could be used in food and pharmaceutical industries.
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Affiliation(s)
- Xuhua Yang
- China-Malaysia National Joint Laboratory, College of Life Sciences and Engineering, Northwest Minzu University, Lanzhou, China
| | - Honghai Liu
- Technology Research and Development Center, Gansu Tobacco Industry Co., Ltd., Lanzhou, China
| | - Jutian Yang
- China-Malaysia National Joint Laboratory, College of Life Sciences and Engineering, Northwest Minzu University, Lanzhou, China
- Taizishan Ecosystem Observatory of Carbon Neutralization, Northwest Minzu University, Lanzhou, China
| | - Zhongren Ma
- China-Malaysia National Joint Laboratory, College of Life Sciences and Engineering, Northwest Minzu University, Lanzhou, China
| | - Penghui Guo
- China-Malaysia National Joint Laboratory, College of Life Sciences and Engineering, Northwest Minzu University, Lanzhou, China
- Taizishan Ecosystem Observatory of Carbon Neutralization, Northwest Minzu University, Lanzhou, China
| | - Hong Chen
- China-Malaysia National Joint Laboratory, College of Life Sciences and Engineering, Northwest Minzu University, Lanzhou, China
| | - Dandan Gao
- China-Malaysia National Joint Laboratory, College of Life Sciences and Engineering, Northwest Minzu University, Lanzhou, China
- Taizishan Ecosystem Observatory of Carbon Neutralization, Northwest Minzu University, Lanzhou, China
- *Correspondence: Dandan Gao,
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24
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Peña-Ocaña BA, Hoshiko Y, Silva-Flores M, Maeda T, Pérez-Torres I, García-Contreras R, Gutiérrez-Sarmiento W, Hernández-Esquivel L, Marín-Hernández Á, Sánchez-Thomas R, Saavedra E, Rodríguez-Zavala JS, Jasso-Chávez R. Cultivation of gastrointestinal microbiota in a new growth system revealed dysbiosis and metabolic disruptions in carcinoma-bearing rats. Front Microbiol 2022; 13:949272. [PMID: 36118191 PMCID: PMC9479207 DOI: 10.3389/fmicb.2022.949272] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Accepted: 08/01/2022] [Indexed: 11/23/2022] Open
Abstract
A challenge in the study of gastrointestinal microbiota (GITm) is the validation of the genomic data with metabolic studies of the microbial communities to understand how the microbial networks work during health and sickness. To gain insights into the metabolism of the GITm, feces from healthy and sick rats with cancer were inoculated in a defined synthetic medium directed for anaerobic prokaryote growth (INC-07 medium). Significant differences between cultures of healthy and sick individuals were found: 1) the consumption of the carbon source and the enzyme activity involved in their catabolism (e.g., sucrase, lactase, lipases, aminotransferases, and dehydrogenases); 2) higher excretion of acetic, propionic, isobutyric, butyric, valeric, and isovaleric acids; 3) methane production; 4) ability to form biofilms; and 5) up to 500 amplicon sequencing variants (ASVs) identified showed different diversity and abundance. Moreover, the bowel inflammation induced by cancer triggered oxidative stress, which correlated with deficient antioxidant machinery (e.g., NADPH-producing enzymes) determined in the GITm cultures from sick individuals in comparison with those from control individuals. Altogether, the data suggested that to preserve the microbial network between bacteria and methanogenic archaea, a complete oxidation of the carbon source may be essential for healthy microbiota. The correlation of 16S rRNA gene metabarcoding between cultures and feces, as well as metabolomic data found in cultures, suggest that INC-07 medium may be a useful tool to understand the metabolism of microbiota under gut conditions.
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Affiliation(s)
- Betsy Anaid Peña-Ocaña
- Departamento de Bioquímica, Instituto Nacional de Cardiología Ignacio Chávez, Mexico City, Mexico
| | - Yuki Hoshiko
- Division of Environment-Conscious Chemistry and Bioengineering, Department of Biological Functions Engineering, Kyushu Institute of Technology, Kitakyushu, Japan
| | - Mayel Silva-Flores
- Departamento de Bioquímica, Instituto Nacional de Cardiología Ignacio Chávez, Mexico City, Mexico
| | - Toshinari Maeda
- Division of Environment-Conscious Chemistry and Bioengineering, Department of Biological Functions Engineering, Kyushu Institute of Technology, Kitakyushu, Japan
| | - Israel Pérez-Torres
- Departamento de Biomedicina Cardiovascular, Instituto Nacional de Cardiología Ignacio Chávez, Mexico City, Mexico
| | - Rodolfo García-Contreras
- Departamento de Microbiología y Parasitología, Facultad de Medicina, Universidad Nacional Autónoma de México, Mexico City, Mexico
| | - Wilbert Gutiérrez-Sarmiento
- Instituto Tecnológico Nacional de México/Instituto Tecnológico de Tuxtla Gutiérrez, Tuxtla Gutiérrez, Chiapas, Mexico
| | - Luz Hernández-Esquivel
- Departamento de Bioquímica, Instituto Nacional de Cardiología Ignacio Chávez, Mexico City, Mexico
| | - Álvaro Marín-Hernández
- Departamento de Bioquímica, Instituto Nacional de Cardiología Ignacio Chávez, Mexico City, Mexico
| | - Rosina Sánchez-Thomas
- Departamento de Bioquímica, Instituto Nacional de Cardiología Ignacio Chávez, Mexico City, Mexico
| | - Emma Saavedra
- Departamento de Bioquímica, Instituto Nacional de Cardiología Ignacio Chávez, Mexico City, Mexico
| | | | - Ricardo Jasso-Chávez
- Departamento de Bioquímica, Instituto Nacional de Cardiología Ignacio Chávez, Mexico City, Mexico
- *Correspondence: Ricardo Jasso-Chávez
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25
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Gao D, Chen H, Liu H, Yang X, Guo P, Cao X, Cai Y, Xu H, Yang J. Structure characterization and antioxidant activity analysis of polysaccharides from Lanzhou Lily. Front Nutr 2022; 9:976607. [PMID: 35990335 PMCID: PMC9389332 DOI: 10.3389/fnut.2022.976607] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Accepted: 07/19/2022] [Indexed: 12/21/2022] Open
Abstract
Lanzhou Lily (Lilium davidii var. unicolor) is a traditional medicinal plant and popular edible vegetable bulb in China. In this study, the polysaccharides of Lanzhou Lily (LLPs) were extracted by polyethylene glycol-based ultrasonic-assisted enzymatic extraction method (PEG-UAEE). The optimum process conditions were obtained by single-factor experiments and response surface methodology (RSM). Then, the preliminarily structure of LLPs was characterized by HPLC, FT-IR, and SEM, and its antioxidant activities were evaluated. The results showed that LLPs yield reached 14.75% under the optimized conditions: E/S ratio 1,400 U/g; pH 5.0, ultrasonic time 30 min; and ultrasonic temperature 50 °C. The LLPs has pyranoid ring, uronic acid, and the characteristic absorption peaks of -OH, C = O, and C-H. The results of scanning electron microscope indicated that the LLPs had irregular distribution, dispersed structure, and many holes. The HPLC analysis showed that the LLPs were heteropolysaccharide containing galactose (6.36%), glucose (76.03%), rhamnose (2.02%), and arabinose (7.09%). Moreover, the LLPs showed obvious antioxidant effect in vitro.
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Affiliation(s)
- Dandan Gao
- College of Life Sciences and Engineering, Northwest Minzu University, Lanzhou, China
| | - Hong Chen
- College of Life Sciences and Engineering, Northwest Minzu University, Lanzhou, China
| | - Honghai Liu
- Technology Research and Development Center, Gansu Tobacco Industry Co. Ltd, Lanzhou, China
| | - Xuhua Yang
- College of Life Sciences and Engineering, Northwest Minzu University, Lanzhou, China
| | - Penghui Guo
- College of Life Sciences and Engineering, Northwest Minzu University, Lanzhou, China
| | - Xin Cao
- College of Life Sciences and Engineering, Northwest Minzu University, Lanzhou, China
| | - Yong Cai
- College of Life Sciences and Engineering, Northwest Minzu University, Lanzhou, China
| | - Hongwei Xu
- College of Life Sciences and Engineering, Northwest Minzu University, Lanzhou, China
| | - Jutian Yang
- College of Life Sciences and Engineering, Northwest Minzu University, Lanzhou, China
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Purple red rice anthocyanins alleviate intestinal damage in cyclophosphamide-induced mice associated with modulation of intestinal barrier function and gut microbiota. Food Chem 2022; 397:133768. [PMID: 35908466 DOI: 10.1016/j.foodchem.2022.133768] [Citation(s) in RCA: 31] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2022] [Revised: 07/17/2022] [Accepted: 07/21/2022] [Indexed: 11/23/2022]
Abstract
The regulatory effects of purple red rice bran anthocyanins (PRBA) on intestinal barrier function and gut microbiota in mice were investigated. Results showed that PRBA had an ameliorative effect on intestinal barrier damage, including restoration of villus length, improvement in the number of cupped cells and promotion of sIgA secretion. PRBA stimulated the production of cytokines, reduced the levels of endotoxin (ET) and lipopolysaccharide binding protein (LBP) in serum, as well as upregulated the expression of tight junction proteins (TJs) and NF-κB pathway proteins. Furthermore, PRBA not only promoted the production of short-chain fatty acids (SCFAs), but also regulated the intestinal microbiota by increasing beneficial bacteria (Lachnospiraceae, Bacteroidaceae, Ruminococcaceae) and reducing pathogenic bacteria (Shigella) to maintained intestinal homeostasis. Above results indicated that PRBA could ameliorate cyclophosphamide-induced impairment of intestinal barrier function and dysregulation of the gut microbiota, which provides a new idea for broadening the exploitation of PRBA.
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27
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Zhao J, Wang Z, Xu D, Sun X. Advances on Cyclocarya paliurus polyphenols: Extraction, structures, bioactivities and future perspectives. Food Chem 2022; 396:133667. [PMID: 35853374 DOI: 10.1016/j.foodchem.2022.133667] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2022] [Revised: 06/17/2022] [Accepted: 07/08/2022] [Indexed: 11/26/2022]
Abstract
Cyclocaryapaliurus (C. paliurus) is an edible and medicinal plant, distributed in southern China. As a kind of new food raw material, the leaves of C. paliurus are processed as tea products in daily life. C. paliurus is recognized as a good source to polyphenols, showing excellent bioactivities, which has attracted more and more attention. Polyphenols are important functional bioactive components in C. paliurus. C. paliurus polyphenols perform nutritional functions in anti-diabetes, anti-hyperlipidemic, anti-obesity, anti-oxidant, and other activities. In this review, we summarize the research progress of extraction technologies, structural characteristics, and bioactivities of C. paliurus polyphenols. Other potential functions of C. paliurus polyphenols are prospected. This review provides a reference for further research and applications of C. paliurus polyphenols in a field of functional food and medicines.
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Affiliation(s)
- Jinjin Zhao
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, National Engineering Research Center for Functional Food, Synergetic Innovation Center of Food Safety and Quality Control, Jiangnan University, Wuxi 214122, Jiangsu, People's Republic of China
| | - Zhangtie Wang
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, National Engineering Research Center for Functional Food, Synergetic Innovation Center of Food Safety and Quality Control, Jiangnan University, Wuxi 214122, Jiangsu, People's Republic of China
| | - Deping Xu
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, National Engineering Research Center for Functional Food, Synergetic Innovation Center of Food Safety and Quality Control, Jiangnan University, Wuxi 214122, Jiangsu, People's Republic of China.
| | - Xiulan Sun
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, National Engineering Research Center for Functional Food, Synergetic Innovation Center of Food Safety and Quality Control, Jiangnan University, Wuxi 214122, Jiangsu, People's Republic of China
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28
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Wan Y, Yang L, Li H, Ren H, Zhu K, Dong Z, Jiang S, Shang E, Qian D, Duan J. Zingiber officinale and Panax ginseng ameliorate ulcerative colitis in mice via modulating gut microbiota and its metabolites. J Chromatogr B Analyt Technol Biomed Life Sci 2022; 1203:123313. [PMID: 35662877 DOI: 10.1016/j.jchromb.2022.123313] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Revised: 05/19/2022] [Accepted: 05/26/2022] [Indexed: 12/17/2022]
Abstract
Zingiber officinale and Panax ginseng, as well-known traditional Chinese medicines, have been used together to clinically treat ulcerative colitis with synergistic effects for thousands of years. However, their compatibility mechanism remains unclear. In this study, the shift of gut microbiome and fecal metabolic profiles were monitored by 16S rRNA sequencing technology and ultra-high-performance liquid chromatography coupled with quadrupole time-of-flight mass spectrometry analysis, respectively, which aimed to reveal the synergistic mechanism of Zingiber officinale and Panax ginseng on the amelioration of ulcerative colitis. The results showed that the relative abundance of beneficial bacteria (such as Muribaculaceae_norank, Lachnospiraceae NK4A136 group and Akkermansia) was significantly increased and the abundance of pathogenic bacteria (such as Bacteroides, Parabacteroides and Desulfovibrio) was markedly decreased after the intervention of Zingiber officinale-Panax ginseng herb pair. And a total of 16 differential metabolites related to ulcerative colitis were identified by the metabolomics analysis, which were majorly associated with the metabolic pathways, including arachidonic acid metabolism, tryptophan metabolism, and steroid biosynthesis. Based on these findings, it was suggested that the regulation of the gut microbiota-metabolite axis might be a potential target for the synergistic mechanism of Zingiber officinale-Panax ginseng herb pair in the treatment of ulcerative colitis. Furthermore, the integrated analysis of microbiome and metabolomics used in this study could also serve as a useful template for exploring the mechanism of other drugs.
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Affiliation(s)
- Yue Wan
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Nanjing University of Chinese Medicine, 138 Xianlin Road, Nanjing 210023, PR China
| | - Lei Yang
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Nanjing University of Chinese Medicine, 138 Xianlin Road, Nanjing 210023, PR China
| | - Huifang Li
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Nanjing University of Chinese Medicine, 138 Xianlin Road, Nanjing 210023, PR China
| | - Hui Ren
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Nanjing University of Chinese Medicine, 138 Xianlin Road, Nanjing 210023, PR China
| | - Ke Zhu
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Nanjing University of Chinese Medicine, 138 Xianlin Road, Nanjing 210023, PR China
| | - Zhiling Dong
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Nanjing University of Chinese Medicine, 138 Xianlin Road, Nanjing 210023, PR China
| | - Shu Jiang
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Nanjing University of Chinese Medicine, 138 Xianlin Road, Nanjing 210023, PR China.
| | - Erxin Shang
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Nanjing University of Chinese Medicine, 138 Xianlin Road, Nanjing 210023, PR China
| | - Dawei Qian
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Nanjing University of Chinese Medicine, 138 Xianlin Road, Nanjing 210023, PR China
| | - Jinao Duan
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Nanjing University of Chinese Medicine, 138 Xianlin Road, Nanjing 210023, PR China.
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Chen X, Shen M, Yang J, Yu Q, Chen Y, Wang X, Lu H, Tao X, Li H, Xie J. RNA-seq based elucidation of mechanism underlying Mesona chinensis Benth polysaccharide protected H2O2-induced oxidative damage in L02 cells. Food Res Int 2022; 157:111383. [DOI: 10.1016/j.foodres.2022.111383] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Revised: 05/06/2022] [Accepted: 05/14/2022] [Indexed: 02/08/2023]
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30
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Lu H, Shen M, Chen T, Yu Y, Chen Y, Yu Q, Chen X, Xie J. Mesona chinensis Benth Polysaccharides Alleviate DSS-Induced Ulcerative Colitis via Inhibiting of TLR4/MAPK/NF-κB Signaling Pathways and Modulating Intestinal Microbiota. Mol Nutr Food Res 2022; 66:e2200047. [PMID: 35661585 DOI: 10.1002/mnfr.202200047] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Revised: 05/12/2022] [Indexed: 12/22/2022]
Abstract
SCOPE Ulcerative colitis (UC) is a severe disease of the intestinal tract. To investigate the role of TLR4/Mitogen-activated protein kinase (MAPK)/Nuclear factor kappa-B(NF-κB) pathways and intestinal flora in UC, and the protective mechanisms of Mesona chinensis Benth polysaccharides (MBP), potential therapeutic agents due to their diabetes-relieving, cancer-suppressing, and immunomodulatory properties. METHODS AND RESULTS A dextran sulfate sodium (DSS)-induced mouse colitis model is used for experiments; the histopathology, immunohistochemistry, and Western blotting's results suggest that MBP can alleviate the colitis symptoms, inhibits the overproduction of TNF-α, IL-1β, promote IL-10, reduces myeloperoxidase activity, and alleviates the inflammatory response probably by inhibiting the activation of TLR4/MAPK/NF-κB pathways. Furthermore, MBP improvs the ratio of Bcl-2/BAX, maintains the intestinal integrity by promoting the levels of zonulin occludin-1 (ZO-1), occluding and mucin mucin-2 (MUC-2), reduces the levels of endotoxin (ET), lipopolysaccharide binding protein (LBP) in serum, and oxidative stress in liver. Moreover, using 16S rRNA Gene Sequencing analysis, MBP regulates gut microbiota by decreasing the abundances of Helicobacter and Prevotella and increasing the abundances of Lactobacillus and Coprococcus, reverses microbiota dysbiosis caused by DSS. CONCLUSION These findings confirm the anti-inflammatory effects of MBP, restoration of the intestinal barrier and intestinal flora, and have therapeutic potential to attenuate the development of UC.
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Affiliation(s)
- Hanyu Lu
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, 330047, China
| | - Mingyue Shen
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, 330047, China
| | - Ting Chen
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, 330047, China
| | - Yue Yu
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, 330047, China
| | - Yi Chen
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, 330047, China
| | - Qiang Yu
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, 330047, China
| | - Xianxiang Chen
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, 330047, China
| | - Jianhua Xie
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, 330047, China
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31
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Han Y, Zhang Y, Ouyang K, Chen L, Zhao M, Wang W. Sulfated Cyclocarya paliurus polysaccharides improve immune function of immunosuppressed mice by modulating intestinal microbiota. Int J Biol Macromol 2022; 212:31-42. [PMID: 35597376 DOI: 10.1016/j.ijbiomac.2022.05.110] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2022] [Revised: 05/07/2022] [Accepted: 05/14/2022] [Indexed: 01/03/2023]
Abstract
The study was aimed to investigate the effect of Cyclocarya paliurus polysaccharides (CPP) and the sulfation derivative (S-CPP) on modulate intestinal mucosal immunity and intestinal microbiota in cyclophosphamide-induced mice. The results showed that CPP and S-CPP effectively alleviated intestinal villi injury, enhanced the contents of interleukin-1β (IL-1β) and tumor necrosis factor-α (TNF-α) in small intestinal tissue and serum, and upregulated IL-1β at gene levels, zonula occludens-1 (ZO-1), Occludin and Claudin-1 at gene and protein levels, thereby promoting the repair of intestinal mechanical barrier and enhancing intestinal mucosal immunity. Moreover, the beneficial modulation of CPP and S-CPP on the overall structure of intestinal microbiota was revealed by performing 16S ribosomal RNA (16S rRNA) sequencing. Sulfated modification could improve the protection of CPP on the intestinal barrier and the regulation of systemic immunity. S-CPP had a stronger potential to reduce the damage of cyclophosphamide (Cy) on immunity and intestinal microbiota.
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Affiliation(s)
- Yi Han
- Jiangxi Key Laboratory of Natural Product and Functional Food, College of Food Science and Engineering, Jiangxi Agricultural University, Nanchang 330045, China; School of Medicine, Zhejiang University, Hangzhou 310058, China
| | - Yang Zhang
- Jiangxi Key Laboratory of Natural Product and Functional Food, College of Food Science and Engineering, Jiangxi Agricultural University, Nanchang 330045, China
| | - Kehui Ouyang
- College of Animal Science and Technology, Jiangxi Agricultural University, Nanchang 330045, China
| | - Lingli Chen
- Jiangxi Key Laboratory of Natural Product and Functional Food, College of Food Science and Engineering, Jiangxi Agricultural University, Nanchang 330045, China
| | - Meng Zhao
- Jiangxi Key Laboratory of Natural Product and Functional Food, College of Food Science and Engineering, Jiangxi Agricultural University, Nanchang 330045, China
| | - Wenjun Wang
- Jiangxi Key Laboratory of Natural Product and Functional Food, College of Food Science and Engineering, Jiangxi Agricultural University, Nanchang 330045, China.
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32
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Chen X, Yang J, Shen M, Chen Y, Yu Q, Xie J. Structure, function and advance application of microwave-treated polysaccharide: A review. Trends Food Sci Technol 2022. [DOI: 10.1016/j.tifs.2022.03.016] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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33
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Mechanisms of RAW264.7 macrophages immunomodulation mediated by polysaccharide from mung bean skin based on RNA-seq analysis. Food Res Int 2022; 154:111017. [DOI: 10.1016/j.foodres.2022.111017] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Revised: 02/11/2022] [Accepted: 02/12/2022] [Indexed: 12/11/2022]
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Li Z, Xiao W, Xie J, Chen Y, Yu Q, Zhang W, Shen M. Isolation, Characterization and Antioxidant Activity of Yam Polysaccharides. Foods 2022; 11:foods11060800. [PMID: 35327223 PMCID: PMC8954450 DOI: 10.3390/foods11060800] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Revised: 03/07/2022] [Accepted: 03/08/2022] [Indexed: 11/29/2022] Open
Abstract
This study aimed to characterize the structure of Chinese yam (Dioscoreae Rhizoma) polysaccharide (CYP) and to investigate its protective effect against H2O2-induced oxidative damage in IEC-6 cells. The chemical composition and structural characteristics of the samples were analyzed by chemical and instrumental methods, including high-performance gel permeation chromatography, high-performance anion-exchange chromatography (HPAEC), Fourier transformed infrared (FT-IR), ultraviolet (UV), and scanning electron microscopy (SEM). Antioxidant activity was evaluated by establishing a cellular model of oxidative damage. The molecular weight of CYP was 20.89 kDa. Analysis of the monosaccharide composition revealed that CYP was primarily comprised of galactose (Gal), glucose (Glu), and galacturonic acid (GalA), and the ratio between them was 28.57:11.28:37.59. Pretreatment with CYP was able to improve cell viability, superoxide dismutase (SOD) activity, and reduce intracellular reactive oxygen species (ROS) production and malondialdehyde (MDA) content after H2O2 injury. CYP also attenuated oxidative damage in cells through the mitogen-activated protein kinase (MAPK) signaling pathway. This study showed that CYP was an acidic heteropolysaccharide with a good protective effect against oxidative damage, and it thus has good prospects in food and biopharmaceutical industries.
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Xie L, Huang Z, Qin L, Yu Q, Chen Y, Zhu H, Xie J. Effects of sulfation and carboxymethylation on Cyclocarya paliurus polysaccharides: Physicochemical properties, antitumor activities and protection against cellular oxidative stress. Int J Biol Macromol 2022; 204:103-115. [PMID: 35144010 DOI: 10.1016/j.ijbiomac.2022.01.192] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2021] [Revised: 01/15/2022] [Accepted: 01/29/2022] [Indexed: 12/23/2022]
Abstract
The Cyclocarya paliurus polysaccharide (CP) was chemically modified to produce sulfated derivatives (S-CP) and carboxymethylated derivatives (CM-CP). Subsequently, the antioxidant activity, cytoprotective effect and antitumor activity of these derivatives were investigated to establish the relationship between their structure and functional activity. The results found that chemical modifications resulted in remarkable variations in the chemical compositions and apparent structures of CP. S-CP with the highest amount of glucose had the strongest antioxidant capacity to scavenge DPPH• and HO•, but CM-CP was lower than CP in terms of HO• scavenging. More importantly, S-CP and CM-CP more effectively protected RAW264.7 from H2O2-induced damage compared to CP by reducing the secretion of lactate dehydrogenase (LDH), intracellular reactive oxygen species (ROS) and malondialdehyde (MDA), enhancing phagocytosis and superoxide dismutase (SOD) levels, and suppressing abnormal apoptosis. Further experiments showed that the anti-apoptotic effect of S-CP and CM-CP was in intimate association with down-regulation of Caspase-9/3 activities and alleviation of cell cycle arrest in the S phase. In addition, S-CP and CM-CP decreased the cell viability of tumor cells. These findings suggest that the type of functional group plays important roles in the biological function of the derivatives and provide a theoretical basis for the development of novel natural anti-oxidants or low-toxicity anti-tumor drugs.
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Affiliation(s)
- Liuming Xie
- State Key Laboratory of Food Science and Technology, Nanchang University, No. 235 Nanjing East Road, Nanchang 330047, China
| | - Zhibing Huang
- State Key Laboratory of Food Science and Technology, Nanchang University, No. 235 Nanjing East Road, Nanchang 330047, China; Sino-German Joint Research Institute, Nanchang University, No. 235 Nanjing East Road, Nanchang 330047, China
| | - Li Qin
- State Key Laboratory of Food Science and Technology, Nanchang University, No. 235 Nanjing East Road, Nanchang 330047, China
| | - Qiang Yu
- State Key Laboratory of Food Science and Technology, Nanchang University, No. 235 Nanjing East Road, Nanchang 330047, China
| | - Yi Chen
- State Key Laboratory of Food Science and Technology, Nanchang University, No. 235 Nanjing East Road, Nanchang 330047, China
| | - Haibing Zhu
- State Key Laboratory of Food Science and Technology, Nanchang University, No. 235 Nanjing East Road, Nanchang 330047, China
| | - Jianhua Xie
- State Key Laboratory of Food Science and Technology, Nanchang University, No. 235 Nanjing East Road, Nanchang 330047, China.
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