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Chu Z, Han S, Luo Y, Zhou Y, Zhu L, Luo F. Targeting gut-brain axis by dietary flavonoids ameliorate aging-related cognition decline: Evidences and mechanisms. Crit Rev Food Sci Nutr 2023:1-22. [PMID: 37300491 DOI: 10.1080/10408398.2023.2222404] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Aging-related cognitive impairment, mainly Alzheimer's disease (AD), has been widely studied. However, effective prevention and treatment methods are still lacking. In recent years, researchers have observed beneficial effects of plant-based supplements, such as flavonoids, on cognitive protection. This provides a new clue for the prevention of cognitive dysfunction. Studies have shown that dietary flavonoids have neuroprotective effects, but the mechanism is not clear. In this review, we systematically reviewed the research progress on the effects of dietary flavonoids on gut microbes and their metabolites, and concluded that flavonoids could improve cognitive function through the gut-brain axis. Flavonoids can be absorbed through the intestine, cross the blood-brain barrier, and enter the brain tissue. Flavonoids can inhibit the expression and secretion of inflammatory factors in brain tissue, reduce the damage caused by oxidative stress, clear neural damage proteins and inhibit neuronal apoptosis, thereby ameliorating age-related cognitive disorders. Future work will continue to explore the gut-brain axis and target genes regulated by flavonoids. In addition, clinical research and its mechanisms need to be further explored to provide solutions or advise for patients with cognitive impairment.
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Affiliation(s)
- Zhongxing Chu
- Hunan Key Laboratory of Grain-oil Deep Process and Quality Control, Hunan Key Laboratory of Forestry Edible Resources Safety and Processing, Central South University of Forestry and Technology, Changsha, Hunan, China
| | - Shuai Han
- Hunan Key Laboratory of Grain-oil Deep Process and Quality Control, Hunan Key Laboratory of Forestry Edible Resources Safety and Processing, Central South University of Forestry and Technology, Changsha, Hunan, China
| | - Yi Luo
- Department of Clinic Medicine, Xiangya School of Medicine, Central South University, Changsha, Hunan, China
| | - Yaping Zhou
- Hunan Key Laboratory of Grain-oil Deep Process and Quality Control, Hunan Key Laboratory of Forestry Edible Resources Safety and Processing, Central South University of Forestry and Technology, Changsha, Hunan, China
| | - Lingfeng Zhu
- Hunan Key Laboratory of Grain-oil Deep Process and Quality Control, Hunan Key Laboratory of Forestry Edible Resources Safety and Processing, Central South University of Forestry and Technology, Changsha, Hunan, China
| | - Feijun Luo
- Hunan Key Laboratory of Grain-oil Deep Process and Quality Control, Hunan Key Laboratory of Forestry Edible Resources Safety and Processing, Central South University of Forestry and Technology, Changsha, Hunan, China
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2
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Wang Z, Wang L, Huang H, Li Q, Wang X, Sun Q, Wang Q, Li N. In vitro antioxidant analysis of flavonoids extracted from Artemisia argyi stem and their anti-inflammatory activity in lipopolysaccharide-stimulated RAW 264.7 macrophages. Food Chem 2023; 407:135198. [PMID: 36527947 DOI: 10.1016/j.foodchem.2022.135198] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2022] [Revised: 12/02/2022] [Accepted: 12/08/2022] [Indexed: 12/14/2022]
Abstract
In this study, flavonoids were successfully extracted from Artemisia argyi stem, and their yield reached 15.3 mg/g dry A. argyi stem. The flavonoid extract from A. argyi stem had a purity of 88.58 % (w/w), meanwhile, which also contained 1.57 % (w/w) carbohydrates, 2.04 % (w/w) proteins and 7.81 % (w/w) polyphenols, respectively. In vitro antioxidant activity analysis showed the increased scavenging effects of flavonoid extract from A. argyi stem on 1,1-diphenyl-2-picrylhydrazyl, 2,2'-azinobis-di-(3-ethyl-benzothiazolin-6-sulfonic acid) diammonium salt, hydroxyl, and superoxide radicals in a concentration-dependent manner. Furthermore, the flavonoid extract from A. argyi stem exerted protective effects on lipopolysaccharide-stimulated RAW 264.7 macrophages via inhibiting the levels of tumor necrosis factor-alpha, interleukin-6, interleukin-1 beta, and nitric oxide free radicals. Overall, this work will provide guidance and help in the utilization of edible A. argyi as plant-based diet and its bioactive flavonoid extract as antioxidant and anti-inflammatory ingredients to improve the function, nutrition, and healthiness of foods.
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Affiliation(s)
- Zichao Wang
- National Engineering Laboratory/Key Laboratory of Henan Province, Henan University of Technology, Zhengzhou 450001, China; School of Biological Engineering, Henan University of Technology, Zhengzhou 450001, China
| | - Lu Wang
- School of Biological Engineering, Henan University of Technology, Zhengzhou 450001, China
| | - Hongtao Huang
- School of Biological Engineering, Henan University of Technology, Zhengzhou 450001, China
| | - Qiuyan Li
- School of Biological Engineering, Henan University of Technology, Zhengzhou 450001, China
| | - Xiaoyuan Wang
- School of Biological Engineering, Henan University of Technology, Zhengzhou 450001, China
| | - Qi Sun
- College of Life Sciences, Chongqing Normal University, Chongqing 401331, China.
| | - Qi Wang
- School of Biological Engineering, Henan University of Technology, Zhengzhou 450001, China.
| | - Na Li
- Henan Provincial Key Laboratory of Ultrasound Imaging and Artificial Intelligence, Henan Provincial People's Hospital, Zhengzhou University People's Hospital, Zhengzhou University, Zhengzhou 450001, China; Henan Institute of Medical and Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, China.
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3
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Far from being a simple question: The complexity between in vitro and in vivo responses from nutrients and bioactive compounds with antioxidant potential. Food Chem 2023; 402:134351. [DOI: 10.1016/j.foodchem.2022.134351] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Revised: 09/13/2022] [Accepted: 09/17/2022] [Indexed: 11/18/2022]
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4
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Zhang W, Sun X, Lei Y, Liu X, Zhang Y, Wang Y, Lin H. Roles of selenoprotein K in oxidative stress and endoplasmic reticulum stress under selenium deficiency in chicken liver. Comp Biochem Physiol C Toxicol Pharmacol 2023; 264:109504. [PMID: 36375805 DOI: 10.1016/j.cbpc.2022.109504] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Revised: 11/02/2022] [Accepted: 11/03/2022] [Indexed: 11/13/2022]
Abstract
Selenoprotein K (SELENOK) is a major part of selenoprotein family. Selenoproteins have been proven playing vital roles in a variety of physiological processes. However, as a necessary supplement to the body of trace elements, how SELENOK regulates necroptosis in chicken liver has none clear claim. The purpose of this study was to cover the mechanism of SELENOK act in necroptosis of chicken liver. By feeding Se-deficiency diet for 1-day-old hyline chickens, we successfully built SELENOK-deficiency and discussed the regulation SELENOK have done. The test of liver function showed there has dysfunction appeared in the -Se groups. Results of TEM showed necroptosis occurred in the 35-Se group. After that western blot and qRT-PCR results prompted us SELENOK-deficiency caused large accumulation of ROS, enhanced endoplasmic reticulum stress, abnormally elevated HSPs family expression, and activated RIPK1-RIPK3 complex. In order to show the regulation of SELENOK in chicken liver, we artificially knocked off SELENOK gene in LMH cells. Through AO/EB staining we also found necroptosis in the siRNA-Se group. Furthermore, the results in LMH cells were coincided with those in chicken (Gallus gallus) liver. Our experiment clarified the molecular mechanism of SELENOK in the regulation and liver necroptosis, and provided reference for the healthy feeding mode of broilers.
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Affiliation(s)
- Wenyue Zhang
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China
| | - Xinyue Sun
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China
| | - Yutian Lei
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China
| | - Xiaojing Liu
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China
| | - Yilei Zhang
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China
| | - Yuqi Wang
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China
| | - Hongjin Lin
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China; Key Laboratory of the Provincial Education, Department of Heilongjiang for Common Animal Disease Prevention and Treatment, College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China.
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5
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Kim RE, Mabunga DF, Kim HJ, Han SH, Kim HY, Shin CY, Kwon KJ. Novel Therapeutics for Treating Sleep Disorders: New Perspectives on Maydis stigma. Int J Mol Sci 2022; 23:ijms232314612. [PMID: 36498940 PMCID: PMC9740493 DOI: 10.3390/ijms232314612] [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: 08/31/2022] [Revised: 10/26/2022] [Accepted: 11/05/2022] [Indexed: 11/24/2022] Open
Abstract
Sleep is a restorative period that plays a crucial role in the physiological functioning of the body, including that of the immune system, memory processing, and cognition. Sleep disturbances can be caused by various physical, mental, and social problems. Recently, there has been growing interest in sleep. Maydis stigma (MS, corn silk) is a female maize flower that is traditionally used as a medicinal plant to treat many diseases, including hypertension, edema, and diabetes. It is also used as a functional food in tea and other supplements. β-Sitosterol (BS) is a phytosterol and a natural micronutrient in higher plants, and it has a similar structure to cholesterol. It is a major component of MS and has anti-inflammatory, antidepressive, and sedative effects. However, the potential effects of MS on sleep regulation remain unclear. Here, we investigated the effects of MS on sleep in mice. The effects of MS on sleep induction were determined using pentobarbital-induced sleep and caffeine-induced sleep disruption mouse models. MS extracts decreased sleep latency and increased sleep duration in both the pentobarbital-induced sleep induction and caffeine-induced sleep disruption models compared to the positive control, valerian root extract. The butanol fraction of MS extracts decreased sleep latency time and increased sleep duration. In addition, β-sitosterol enhances sleep latency and sleep duration. Both MS extract and β-sitosterol increased alpha activity in the EEG analysis. We measured the mRNA expression of melatonin receptors 1 and 2 (MT1/2) using qRT-PCR. The mRNA expression of melatonin receptors 1 and 2 was increased by MS extract and β-sitosterol treatment in rat primary cultured neurons and the brain. In addition, MS extract increased the expression of clock genes including per1/2, cry1/2, and Bmal1 in the brain. MS extract and β-sitosterol increased the phosphorylation of ERK1/2 and αCaMKII. Our results demonstrate for the first time that MS has a sleep-promoting effect via melatonin receptor expression, which may provide new scientific evidence for its use as a potential therapeutic agent for the treatment and prevention of sleep disturbance.
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Affiliation(s)
- Ryeong-Eun Kim
- Department of Neuroscience, School of Medicine, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul 05029, Republic of Korea
| | - Darine Froy Mabunga
- Department of Neuroscience, School of Medicine, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul 05029, Republic of Korea
| | - Hee Jin Kim
- Department of Pharmacy, Uimyung Research Institute for Neuroscience, Sahmyook University, 815 Hwarangro, Nowon-gu, Seoul 01795, Republic of Korea
| | - Seol-Heui Han
- Department of Neurology, Konkuk Hospital Medical Center, 120-1 Neungdong-ro, Gwangjin-gu, Seoul 05030, Republic of Korea
| | - Hahn Young Kim
- Department of Neurology, Konkuk Hospital Medical Center, 120-1 Neungdong-ro, Gwangjin-gu, Seoul 05030, Republic of Korea
| | - Chan Young Shin
- Department of Pharmacology, School of Medicine, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul 05029, Republic of Korea
| | - Kyoung Ja Kwon
- Department of Neuroscience, School of Medicine, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul 05029, Republic of Korea
- Department of Neurology, Konkuk Hospital Medical Center, 120-1 Neungdong-ro, Gwangjin-gu, Seoul 05030, Republic of Korea
- Correspondence: ; Tel.: +82-2-454-5630; Fax: +82-2030-7899
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6
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Abstract
When harvesting corn, corn silk was discarded as waste, including the compounds isolated and identified from corn silk such as flavonoids, sterols, alkaloids, polysaccharides, organic acids, volatile oils, trace elements, and multivitamins. It not only pollutes the environment but also wastes resources. In this paper, extraction methods commonly used for extracting flavonoids from corn silk were reviewed, such as reagent method, enzymatic method, microwave, supercritical CO2 extraction, ultrasonic, and microwave-assisted ultrasonic. Flavonoids are natural antioxidants and have application value in scavenging free radicals, inhibiting bacteria, and regulating blood lipids. The in vitro biological activities of flavonoids from corn silk extracted by different extraction methods were also compared.
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7
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Revathi S, Hakkim FL, Ramesh Kumar N, Bakshi HA, Sangilimuthu AY, Tambuwala MM, Changez M, Nasef MM, Krishnan M, Kayalvizhi N. In Vivo Anti Cancer Potential of Pyrogallol in Murine Model of Colon Cancer. Asian Pac J Cancer Prev 2019; 20:2645-2651. [PMID: 31554359 PMCID: PMC6976835 DOI: 10.31557/apjcp.2019.20.9.2645] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2018] [Accepted: 08/18/2019] [Indexed: 01/18/2023] Open
Abstract
Background: Colon cancer is aggressive and it causes 0.5 million deaths per year. Practicing natural medicines for cancer treatment is safer than conventional drugs. World health organization emphasizes on the importance of practicing natural medicines and developing natural product based drugs for cancer treatment. Recently we reported an anti colon cancer activity associated with pyrogallol isolated from medicinal plant Acacia nilotica in HT-29 cells in vitro. To extend our observation in this study we evaluated in vivo colon tumor remission property of acetone extract of A. nilotica (ACE) and pyrogallol. Materials and Methods: In vivo toxicity of ACE and pyrogallol was assessed and In vivo tumor remission activity of ACE and pyrogallol was determined in murine model. Results: Mice were tolerated different doses of ACE and pyrogallol. Tumor size was considerably reduced in pyrogallol treated mice similar to doxorubicin. Tumor bearing mice treated with ACE and pyrogallol showed mild decline in body weight. Conclusion: Pyrogallol was found to be an effective anti colon cancer agent with less toxicity.
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Affiliation(s)
- Seemaisamy Revathi
- Department of Zoology, Periyar University, Salem 636 011, Tamil Nadu, India. ,
| | - Faruck Lukmanul Hakkim
- Department of Mathematics and Sciences, College of Arts and Applied Sciences, , Dhofar University, Salalah, Oman
- Research Center, Dhofar University, Salalah, Oman
| | - Neelamegam Ramesh Kumar
- Insect Molecular Biology Laboratory, Department of Environmental Biotechnology, Bharathidasan University, Tiruchirappalli, Tamil Nadu, India
| | - Hamid A Bakshi
- School of Pharmacy and Pharmaceutical Sciences, Saad Centre for Pharmacy and Diabetes, Ulster University, Cromore Road, Coleraine, Co. Londonderry, BT52 1SA, United Kingdom
- Department of Pharmacy, School of Applied Sciences, University of Huddersfield, Queensgate, Huddersfield, United Kingdom
| | | | - Murtaza M Tambuwala
- School of Pharmacy and Pharmaceutical Sciences, Saad Centre for Pharmacy and Diabetes, Ulster University, Cromore Road, Coleraine, Co. Londonderry, BT52 1SA, United Kingdom
| | - Mohammad Changez
- Chemistry Division, Department of Basic Sciences, College of Applied and Health Sciences, Sharqiyah University, Ibra, Oman
| | - Mohamed M Nasef
- Department of Pharmacy, School of Applied Sciences, University of Huddersfield, Queensgate, Huddersfield, United Kingdom
| | - Muthukalingan Krishnan
- Insect Molecular Biology Laboratory, Department of Environmental Biotechnology, Bharathidasan University, Tiruchirappalli, Tamil Nadu, India
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Antihypertensive Effects of Corn Silk Extract and Its Novel Bioactive Constituent in Spontaneously Hypertensive Rats: The Involvement of Angiotensin-Converting Enzyme Inhibition. Molecules 2019; 24:molecules24101886. [PMID: 31100914 PMCID: PMC6572293 DOI: 10.3390/molecules24101886] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2019] [Revised: 05/08/2019] [Accepted: 05/14/2019] [Indexed: 12/31/2022] Open
Abstract
Corn silk tea has been used in folk medicine for anti-hypertensive healthcare. Angiotensin-converting enzyme (ACE) plays a crucial role on the homeostasis of blood pressure. However, effects of corn silk tea on ACE activity and the presence of ACE inhibitory constituents in corn silk are still unknown. Here we applied proteomics and bioinformatics approaches to identify corn silk bioactive peptides (CSBps) that target ACE from the boiling water extract of corn silk (CSE). CSE significantly reduced systolic blood pressure (SBP) levels in spontaneously hypertensive rats and inhibited the ACE activity. By proteomics coupled with bioinformatics analyses, we identified a novel ACE inhibitory peptide CSBp5 in CSE. CSBp5 significantly inhibited the ACE activity and decreased SBP levels in a dose-dependent manner. Docking analysis showed that CSBp5 occupied the substrate-binding channel of ACE and interacted with ACE via hydrogen bonds. In conclusion, we identified that CSE exhibited anti-hypertensive effects in SHRs via the inhibition of ACE, the target of most anti-hypertensive drugs. In addition, an ACE inhibitory phytopeptide CSBp5 that decreased SBP levels in rats was newly identified. Our findings supported the ethnomedical use of corn silk tea on hypertension. Moreover, the identification of ACE inhibitory phytopeptide in corn silk further strengthened our findings.
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Acute Toxicity, Antioxidant, and Antifatigue Activities of Protein-Rich Extract from Oviductus ranae. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2018; 2018:9021371. [PMID: 29991975 PMCID: PMC5845489 DOI: 10.1155/2018/9021371] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/31/2017] [Revised: 01/09/2018] [Accepted: 01/16/2018] [Indexed: 12/16/2022]
Abstract
The paper investigated the preparation, amino acid composition, acute toxicity, and in vitro and in vivo antioxidant, coupled with in vivo antifatigue activities of protein-rich extract of Oviductus ranae (PEOR). The results indicated that PEOR possesses high-safety property with maximum tolerated dose (MTD) higher than 20 g/kg in mice, shows weak scavenging capacities against hydroxyl, superoxide anion, and 1,1-diphenyl-2-picrylhydrazyl (DPPH) radicals, as well as ferric-reducing antioxidant power in vitro, but exerts strong antioxidant effect in ethanol-induced oxidative stress mice model; it can decrease malonaldehyde (MDA) and protein carbonyl (PCO) formation and increase total superoxide dismutase (T-SOD) activity and glutathione (GSH) synthesis. Besides the strong in vivo antioxidant activity, PEOR in a dose of 400 mg/kg also has antifatigue effect in mice, and it can prolong the exhaustive swimming time, reduce the elevated blood urea nitrogen (BUN) and blood lactic acid (BLA) caused by intense exercise. The in vivo activity of PEOR may be contributed by its absorbed amino acids, due to the fact that eight antioxidant amino acids and twelve glucogenic ones were found in it. This study will provide an evidence for the clinical use of PEOR as a dietary supplement for antioxidant and antifatigue in the same oral dose (400 mg/kg).
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Zhang Y, Liu Y, Yang X, Cui H, Xu X, Mao L, Zhou H. Antioxidant and immunomodulatory activities of Oviductus ranae in mice. BRAZ J PHARM SCI 2018. [DOI: 10.1590/s2175-97902018000417751] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Affiliation(s)
- Yang Zhang
- Changshu Institute of Technology, People’s Republic of China
| | - Yang Liu
- Changshu Institute of Technology, People’s Republic of China
| | - Xiudong Yang
- Jilin Institute of Chemical Technology, People’s Republic of China
| | - Hao Cui
- Jilin Institute of Chemical Technology, People’s Republic of China
| | - Xiaoxiao Xu
- Jilin Institute of Chemical Technology, People’s Republic of China
| | - Liping Mao
- Jilin Institute of Chemical Technology, People’s Republic of China
| | - Hongli Zhou
- Jilin Institute of Chemical Technology, People’s Republic of China
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11
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Cui H, Zhang Y, Tian H, Zhai W, Jiang Y, Zhou H. Antioxidant potential of protein-rich serum from farmed swan goose (Anser cygnoides
): in vitro
and in vivo
evaluation of antioxidant effects. Int J Food Sci Technol 2017. [DOI: 10.1111/ijfs.13689] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Hao Cui
- School of Chemistry and Pharmaceutical Engineering; Jilin Institute of Chemical Technology; Jilin 132022 China
- Jilin Engineering Research Center for Agricultural Resources and Comprehensive Utilization; Jilin Institute of Chemical Technology; Jilin 132022 China
| | - Yang Zhang
- School of Chemistry and Pharmaceutical Engineering; Jilin Institute of Chemical Technology; Jilin 132022 China
- Jilin Engineering Research Center for Agricultural Resources and Comprehensive Utilization; Jilin Institute of Chemical Technology; Jilin 132022 China
| | - Haiping Tian
- School of Chemistry and Pharmaceutical Engineering; Jilin Institute of Chemical Technology; Jilin 132022 China
| | - Wanchen Zhai
- School of Chemistry and Pharmaceutical Engineering; Jilin Institute of Chemical Technology; Jilin 132022 China
| | - Yu Jiang
- School of Chemistry and Pharmaceutical Engineering; Jilin Institute of Chemical Technology; Jilin 132022 China
| | - Hongli Zhou
- School of Chemistry and Pharmaceutical Engineering; Jilin Institute of Chemical Technology; Jilin 132022 China
- Jilin Engineering Research Center for Agricultural Resources and Comprehensive Utilization; Jilin Institute of Chemical Technology; Jilin 132022 China
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12
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Bala A, Mondal C, Haldar PK, Khandelwal B. Oxidative stress in inflammatory cells of patient with rheumatoid arthritis: clinical efficacy of dietary antioxidants. Inflammopharmacology 2017; 25:595-607. [PMID: 28929423 DOI: 10.1007/s10787-017-0397-1] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2017] [Accepted: 09/06/2017] [Indexed: 12/22/2022]
Abstract
Rheumatoid arthritis (RA) is an autoimmune disease responsible for significant human morbidity in modern life. However, oxidative stress is one of the key markers for determining pathophysiology of patients with RA. The interaction between cellular immune system and body's endogenous and/or exogenous antigens produce reactive oxygen species (ROS) and reactive nitrogen species (RNS) in autoimmune disease like RA. ROS and RNS include highly toxic superoxide (O2-) and peroxynitrite (ONOO-) radicals, which activate the signaling cascades of inflammatory cells to synthesize pro-inflammatory cytokines and chemokines. Previous studies reported that Th1 cytokines could promote the development of autoimmune disorders like RA, whereas the Th2 cytokines may attenuate the same diseases. An increased awareness of the relationship between food and health led to a tremendous increase of antioxidant research in the last decade. Evaluation of the efficacy of dietary antioxidants is also becoming highly acceptable in RA research. A number of dietary phytomolecules are already established as having antioxidant activity in isolated synovial cellular infiltrate or peripheral blood neutrophils and lymphocytes. This review aims to highlight the oxidative stress in inflammatory cells of patients with RA and to summarize the clinical relevance of dietary antioxidants as a first step in assessing beneficial effect, safety and dose safety ratio in patients with RA.
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Affiliation(s)
- Asis Bala
- Department of Pharmacology, Faculty of Health Science, University of the Free State, Bloemfontein, 9301, Free State, South Africa. .,Division of Pharmacology, Guru Nanak Institute of Pharmaceutical Science and Technology, 157/F Nilgunj Road, Panihati, West Bengal, 700114, India.
| | - Chaitali Mondal
- TCG Life Sciences (Chembiotek) Pvt. Ltd., Sector V, Salt Lake Electronics Complex, Kolkata, West Bengal, 700091, India
| | - Pallab Kanti Haldar
- Department of Pharmaceutical Technology, Jadavpur University, 188B Raja S.C. Mullick Road, Kolkata, West Bengal, 700032, India
| | - Bidita Khandelwal
- Department of Medicine, Sikkim Manipal Institute of Medical Science, 5th Mile Tadong, Gangtok, Sikkim, 737102, India
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Song SH, Ki SH, Park DH, Moon HS, Lee CD, Yoon IS, Cho SS. Quantitative Analysis, Extraction Optimization, and Biological Evaluation of Cudrania tricuspidata Leaf and Fruit Extracts. Molecules 2017; 22:molecules22091489. [PMID: 28880226 PMCID: PMC6151595 DOI: 10.3390/molecules22091489] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2017] [Accepted: 09/05/2017] [Indexed: 01/20/2023] Open
Abstract
Cudrania tricuspidata Bureau (Moraceae) shows numerous pharmacological effects and has been used in traditional herbal remedies for inflammation, gastritis, tumors, and liver diseases. However, no validated analytical method for the standardization and optimization of the biological properties of C. tricuspidata preparations has been reported. We developed and validated a reverse-phase high-performance liquid chromatography (HPLC) method for the separation and quantification of active markers. Ethanolic extracts of C. tricuspidata leaves were prepared and evaluated for chemical profiles and biological activities. The 80% ethanolic extract demonstrated the greatest antioxidant activity and phenolic content, while the 100% ethanolic extract had the greatest total flavonoid content and xanthine oxidase (XO) inhibitory activity. The validated HPLC method confirmed that chlorogenic acid, rutin, and kaempferol were present in C. tricuspidata leaf extracts. We postulated that the antioxidant and anti-hyperuricemic/gout effects of C. tricuspidata extract could be attributed to these marker compounds. Our results suggested that the flavonoid-rich fraction of the leaf extract may be utilized for the treatment and prevention of hyperuricemia-related diseases, and the validated method and marker compounds could be applied for the quality control of C. tricuspidata preparations.
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Affiliation(s)
- Seung-Hui Song
- Department of Pharmacy, College of Pharmacy, Mokpo National University, Muan-gun, Jeonnam 58554, Korea.
| | - Sung Hwan Ki
- Laboratory of Toxicology, College of Pharmacy, Chosun University, Dong-gu, Gwangju 61452, Korea.
| | - Dae-Hun Park
- Department of Nursing, Dongshin University, Naju-si, Jeonnam 58245, Korea.
| | - Hong-Seop Moon
- Department of Pharmacy, College of Pharmacy, Mokpo National University, Muan-gun, Jeonnam 58554, Korea.
| | - Chang-Dai Lee
- Department of Business Administration, Mokpo National University, Muan-gun, Jeonnam 58554, Korea.
| | - In-Soo Yoon
- Department of Manufacturing Pharmacy, College of Pharmacy, Pusan National University, Geumjeong-gu, Busan 46241, Korea.
| | - Seung-Sik Cho
- Department of Pharmacy, College of Pharmacy, Mokpo National University, Muan-gun, Jeonnam 58554, Korea.
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Zhao HP, Zhang Y, Liu Z, Chen JY, Zhang SY, Yang XD, Zhou HL. Acute toxicity and anti-fatigue activity of polysaccharide-rich extract from corn silk. Biomed Pharmacother 2017; 90:686-693. [DOI: 10.1016/j.biopha.2017.04.045] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2017] [Revised: 04/09/2017] [Accepted: 04/10/2017] [Indexed: 01/24/2023] Open
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15
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Peng KZ, Zhang SY, Zhou HL. Toxicological evaluation of the flavonoid-rich extract from Maydis stigma: Subchronic toxicity and genotoxicity studies in mice. JOURNAL OF ETHNOPHARMACOLOGY 2016; 192:161-169. [PMID: 27396347 DOI: 10.1016/j.jep.2016.07.012] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/26/2016] [Revised: 07/05/2016] [Accepted: 07/07/2016] [Indexed: 06/06/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Maydis stigma (corn silk) has a long history of use as a traditional herbal medicine or functional food in China and many other countries and has been listed in the Chinese Pharmacopea. However, little data about its potential toxicity is available. AIM OF THE STUDY In this study, we evaluated the subchronic toxicity and genotoxicity of the flavonoid-rich extract from Maydis stigma (FMS) in mice. MATERIALS AND METHODS In the subchronic toxicity study, the FMS was administered orally to mice at doses of 2.50, 5.00 and 10.00g/kg/day for 28 consecutive days. At the end of experiment, general clinical signs, mortality, haematological, biochemical and histopathological parameters were examined. The genotoxicity of FMS was also evaluated by the micronucleus assay and the sperm malformation assay. RESULTS All animals survived until the scheduled necropsy, and no statistically significant or toxicologically relevant differences were observed in any of the FMS-treatment groups, compared with the control group. The no-observed-adverse-effect level (NOAEL) was determined as 10.00g/kg/day. Based on the results of the micronucleus assay and the sperm malformation assay, no evidence of genotoxicity was found either in somatic cells or germ cells even at an experimental upper limit dose (10.00g/kg/day). CONCLUSIONS The results of the present studies might support the safe use of FMS as a functional food, food additive and natural remedy.
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Affiliation(s)
- Ke-Zheng Peng
- College of Chemical and Pharmaceutical Engineering, Jilin Institute of Chemical Technology, Jilin 132022, China; College of Pharmaceutical Sciences, Zhengzhou University, Zhengzhou 450001, China
| | - Song-Yan Zhang
- Department of Laboratory, The General Hospital of China National Petroleum Corporation in Jilin, Jilin 132022, China
| | - Hong-Li Zhou
- College of Chemical and Pharmaceutical Engineering, Jilin Institute of Chemical Technology, Jilin 132022, China.
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