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Yang D, Li J, Liang C, Tian L, Shi C, Hui N, Liu Y, Ling M, Xin L, Wan M, Li H, Zhao Q, Ren X, Liu H, Cao W. Syringa microphylla Diels: A comprehensive review of its phytochemical, pharmacological, pharmacokinetic, and toxicological characteristics and an investigation into its potential health benefits. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2021; 93:153770. [PMID: 34678528 DOI: 10.1016/j.phymed.2021.153770] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Revised: 07/31/2021] [Accepted: 09/20/2021] [Indexed: 06/13/2023]
Abstract
BACKGROUND Syringa microphylla Diels is a plant in the family Syringa Linn. For hundreds of years, its flowers and leaves have been used as a folk medicine for the treatment of cough, inflammation, colds, sore throat, acute hepatitis, chronic hepatitis, early liver cirrhosis, fatty liver, and oesophageal cancer. PURPOSE For the first time, we have comprehensively reviewed information on Syringa microphylla Diels that is not included in the Pharmacopoeia, clarified the pharmacological mechanisms of Syringa microphylla Diels and its active ingredients from a molecular biology perspective, compiled in vivo and in vitro animal experimental data and clinical data, and summarized the toxicology and pharmacokinetics of Syringa microphylla Diels. The progress in toxicology research is expected to provide a theoretical basis for the development of new drugs from Syringa microphylla Diels, a natural source of compounds that are potentially beneficial to human health. METHODS The PubMed, Google Scholar, China National Knowledge Infrastructure, Web of Science, SciFinder Scholar and Thomson Reuters databases were utilized to conduct a comprehensive search of published literature as of July 2021 to find original literature related to Syringa microphylla Diels and its active ingredients. RESULTS To date, 72 compounds have been isolated and identified from Syringa microphylla Diels, and oleuropein, verbascoside, isoacteoside, echinacoside, forsythoside B, and eleutheroside B are the main active components. These compounds have antioxidant, antibacterial, anti-inflammatory, and neuroprotective effects, and their safety and effectiveness have been demonstrated in long-term traditional applications. Molecular pharmacology experiments have indicated that the active ingredients of Syringa microphylla Diels exert their pharmacological effects in various ways, primarily by reducing oxidative stress damage via Nrf2/ARE pathway regulation, regulating inflammatory factors and inducing apoptosis through the MAPK and NF-κB pathways. CONCLUSION This comprehensive review of Syringa microphylla Diels provides new insights into the correlations among molecular mechanisms, the importance of toxicology and pharmacokinetics, and potential ways to address the limitations of current research. As Syringa microphylla Diels is a natural low-toxicity botanical medicine, it is worthy of development and utilization and is an excellent choice for treating various diseases.
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Affiliation(s)
- Dan Yang
- School of Food and Bioengineering, Shaanxi University of Science & Technology, Xi'an 710021, PR China
| | - Jingyi Li
- School of Food and Bioengineering, Shaanxi University of Science & Technology, Xi'an 710021, PR China
| | - Chengyuan Liang
- School of Food and Bioengineering, Shaanxi University of Science & Technology, Xi'an 710021, PR China.
| | - Lei Tian
- School of Food and Bioengineering, Shaanxi University of Science & Technology, Xi'an 710021, PR China; College of Bioresources Chemical and Materials Engineering, Shaanxi University of Science & Technology, Xi'an 710021, PR China
| | - Chunyang Shi
- School of Food and Bioengineering, Shaanxi University of Science & Technology, Xi'an 710021, PR China
| | - Nan Hui
- School of Food and Bioengineering, Shaanxi University of Science & Technology, Xi'an 710021, PR China
| | - Yuan Liu
- School of Food and Bioengineering, Shaanxi University of Science & Technology, Xi'an 710021, PR China
| | - Mei Ling
- School of Food and Bioengineering, Shaanxi University of Science & Technology, Xi'an 710021, PR China
| | - Liang Xin
- School of Food and Bioengineering, Shaanxi University of Science & Technology, Xi'an 710021, PR China
| | - Minge Wan
- School of Medicine and Pharmacy, Shaanxi University of Business & Commerce, Xi'an 712046, PR China
| | - Han Li
- School of Food and Bioengineering, Shaanxi University of Science & Technology, Xi'an 710021, PR China
| | - Qianqian Zhao
- School of Food and Bioengineering, Shaanxi University of Science & Technology, Xi'an 710021, PR China
| | - Xiaodong Ren
- Medical College, Guizhou University, Guiyang 550025, PR China.
| | - Hong Liu
- Zhuhai Jinan Selenium Source Nanotechnology Co., Ltd., Hengqin New Area, Zhuhai 519030, PR China.
| | - Wenqiang Cao
- Zhuhai Jinan Selenium Source Nanotechnology Co., Ltd., Hengqin New Area, Zhuhai 519030, PR China
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Abstract
Background Oxidative stress is the result of cellular troubles related to aerobic metabolism. Furthermore, this stress is always associated with biological responses evoked by physical, chemical, environmental, and psychological factors. Several studies have developed many approaches of antioxidant defense to diminish the severity of many diseases. Ghrelin was originally identified from the rat stomach, and it is a potent growth hormone-releasing peptide that has pleiotropic functions. Methods A systematic review was conducted within PubMed, ScienceDirect, MEDLINE, and Scopus databases using keywords such as ghrelin, antioxidant, oxidative stress, and systemic oxidative stress sensor. Results In the last decade, many studies show that ghrelin exhibits protection effects against oxidative stress derived probably from its antioxidant effects. Pieces of evidence demonstrate that systemic oxidative stress increase ghrelin levels in the plasma. The expression of ghrelin and its receptor in ghrelin peripheral tissues and extensively in the central nervous system suggests that this endogenous peptide plays an important role as a systemic oxidative stress sensor Conclusion The current evidence confirms that ghrelin and its derived peptides (Desacyl-ghrelin, obestatin) act as a protective antioxidant agent. Therefore, stressor modality, duration, and intensity are the parameters of oxidative stress that must be taken into consideration to determine the role of ghrelin, Desacyl-ghrelin, and obestatin in the regulation of cell death pathways.
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Affiliation(s)
- Rachid Akki
- Department of Plant Protection and Environment, National School of Agriculture-Meknes/ENA, Meknes, Morocco.,Department of Biology, Faculty of Sciences, Abdelmalek Essaadi University, Tetouan, Morocco
| | - Kawtar Raghay
- Department of Biology, Faculty of Sciences, Abdelmalek Essaadi University, Tetouan, Morocco
| | - Mohammed Errami
- Department of Biology, Faculty of Sciences, Abdelmalek Essaadi University, Tetouan, Morocco
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Kar E, Alataş Ö, Şahıntürk V, Öz S. Effects of metformin on lipopolysaccharide induced inflammation by activating fibroblast growth factor 21. Biotech Histochem 2021; 97:44-52. [PMID: 33663305 DOI: 10.1080/10520295.2021.1894353] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
Abstract
Lipopolysaccharide (LPS) is a component of the cell wall of Gram-negative bacteria that produces endotoxemia, which may cause septic shock. Metformin (MET) is a widely used hypoglycemic drug that exhibits anti-inflammatory properties. Fibroblast growth factor 21 (FGF21) is an endocrine polypeptide that affects glucose and lipid metabolism, and also possesses anti-inflammatory properties. We investigated the effects of MET and FGF21 on inflammation due to LPS induced endotoxemia in male rats. Animals were divided into five groups: control, LPS, pre-MET LPS, LPS + 1 h MET and LPS + 3 h MET. Serum levels of alanine aminotransferase, aspartate aminotransferase, FGF2, interleukin-10 and tumor necrosis factor alpha were measured. Malondialdehyde, myeloperoxidase and FGF21 levels were measured in liver tissue samples. Histopathology of all groups was assessed using hematoxylin and eosin stained sections. LPS caused severe inflammatory liver damage. MET exhibited a partially protective effect and reduced inflammation significantly. FGF21 is produced in the liver following inflammation and MET may increase its production.
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Affiliation(s)
- Ezgi Kar
- Department of Medical Biochemistry, Çanakkale Onsekiz Mart University, Çanakkale, Turkey
| | - Özkan Alataş
- Department of Medical Biochemistry, Eskişehir Osmangazi University, Eskişehir, Turkey
| | - Varol Şahıntürk
- Department of Histology and Embryology, Eskişehir Osmangazi University, Eskişehir, Turkey
| | - Semih Öz
- Vocational School of Health Services, Eskişehir Osmangazi University, Eskişehir, Turkey
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Shati AA, El-Kott AF. Acylated ghrelin protects against doxorubicin-induced nephropathy by activating silent information regulator 1. Basic Clin Pharmacol Toxicol 2021; 128:805-821. [PMID: 33547742 DOI: 10.1111/bcpt.13569] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2020] [Revised: 01/01/2021] [Accepted: 02/03/2021] [Indexed: 02/06/2023]
Abstract
This study investigated the nephroprotective role of acylated ghrelin (AG) against DOX-induced nephropathy and examined whether the protection involves silent information regulator 1 (SIRT1). Rats were divided into control, control + AG, DOX, DOX + AG, DOX + AG + [D-Lys3]-GHRP-6 (a ghrelin receptor antagonist), and DOX + AG + EX-527 (a sirt1 inhibitor). DOX was given over the first 2 weeks. AG (10 ng/kg) and both inhibitors were given as 3 doses/wk for 5 weeks. AG improved the structure and the function of the kidneys; down-regulated the renal expression of TGF-β1, collagen 1A1 and α-SMA; and inhibited the renal collagen deposition in the kidneys of DOX-treated rats. Concomitantly, it reduced the renal levels of ROS, MDA, TNF-α, and IL-6 and protein levels of cytochrome-c, TGF-β1, Smad3 and α-SMA in these rats. In both the control and DOX-treated rats, AG significantly increased the renal levels of SOD and GSH, decreased the expression of cleaved caspase-3 and Bax, increased the total levels and the nuclear activity of SIRT1 and reduced the deacetylation of p53, NF-κB and FOXO-31. All the effects were abolished by the concurrent administration of EX-527 and [D-Lys3]-GHRP-6. In conclusion, AG prevents DOX-induced nephropathy in SIRT1 and GSHRa1-dependent mechanism.
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Affiliation(s)
- Ali A Shati
- Department of Biology, College of Science, King Khalid University, Abha, Saudi Arabia
| | - Attalla F El-Kott
- Department of Biology, College of Science, King Khalid University, Abha, Saudi Arabia.,Department of Zoology, Faculty of Science, Damanhour University, Damanhour, Egypt
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