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Kou F, Mei Y, Wang W, Wei X, Xiao H, Wu X. Phellinus linteus polysaccharides: A review on their preparation, structure-activity relationships, and drug delivery systems. Int J Biol Macromol 2024; 258:128702. [PMID: 38072341 DOI: 10.1016/j.ijbiomac.2023.128702] [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: 06/19/2023] [Revised: 11/30/2023] [Accepted: 12/07/2023] [Indexed: 12/21/2023]
Abstract
Phellinus linteus polysaccharides exhibit antitumor, immunomodulatory, anti-inflammatory, and antioxidant properties, mitigate insulin resistance, and enhance the diversity and abundance of gut microbiota. However, the bioactivities of P. linteus polysaccharides vary owing to the complex structure, thereby, limiting their application. Various processing strategies have been employed to modify them for improving the functional properties and yield. Herein, we compare the primary modes of extraction and purification employed to improve the yield and purity, review the structure-activity relationships, and discuss the application of P. linteus polysaccharides using nano-carriers for the encapsulation and delivery of various drugs to improve bioactivity. The limitations and future perspectives are also discussed. Exploring the bioactivity, structure-activity relationship, processing methods, and delivery routes of P. linteus polysaccharides will facilitate the development of functional foods and dietary supplements rich in P. linteus polysaccharides.
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Affiliation(s)
- Fang Kou
- Department of Marine Food Science and Technology, Gangneung-Wonju National University, Gangneung, South Korea; College of Food Science, Heilongjiang Bayi Agricultural University, Daqing, China
| | - Yuxia Mei
- State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, China
| | - Weihao Wang
- College of Food Science, Heilongjiang Bayi Agricultural University, Daqing, China.
| | - Xuetuan Wei
- State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, China.
| | - Hang Xiao
- Department of Food Science, University of Massachusetts, Amherst, MA, United States of America
| | - Xian Wu
- Department of Kinesiology, Nutrition, and Health, Miami University, Oxford, OH, United States of America
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Chien LH, Deng JS, Jiang WP, Chou YN, Lin JG, Huang GJ. Evaluation of lung protection of Sanghuangporus sanghuang through TLR4/NF-κB/MAPK, keap1/Nrf2/HO-1, CaMKK/AMPK/Sirt1, and TGF-β/SMAD3 signaling pathways mediating apoptosis and autophagy. Biomed Pharmacother 2023; 165:115080. [PMID: 37392658 DOI: 10.1016/j.biopha.2023.115080] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Revised: 06/13/2023] [Accepted: 06/24/2023] [Indexed: 07/03/2023] Open
Abstract
Idiopathic pulmonary fibrosis (IPF) is a type of interstitial pneumonia characterized by chronic and progressive fibrosis with an unknown etiology. Previous pharmacological studies have shown that Sanghuangporus sanghuang possesses various beneficial properties including immunomodulatory, hepatoprotective, antitumor, antidiabetic, anti-inflammatory, and neuroprotective effects. This study used a bleomycin (BLM)-induced IPF mouse model to illustrate the possible benefits of SS in ameliorating IPF. BLM was administered on day 1 to establish a pulmonary fibrosis mouse model, and SS was administered through oral gavage for 21 d. Hematoxylin and eosin (H&E) and Masson's trichrome staining results showed that SS significantly reduced tissue damage and decreased fibrosis expression. We observed that SS treatment resulted in a substantial lowering in the level of pro-inflammatory cytokines like TGF-β, TNF-α, IL-1β, and IL-6 as well as MPO. In addition, we observed a notable increase in glutathione (GSH) levels. Western blot analysis of SS showed that it reduces inflammatory factors (TWEAK, iNOS, and COX-2), MAPK (JNK, p-ERK, and p-38), fibrosis-related molecules (TGF-β, SMAD3, fibronectin, collagen, α-SMA, MMP2, and MMP9), apoptosis (p53, p21, and Bax), and autophagy (Beclin-1, LC3A/B-I/II, and p62), and notably increases caspase 3, Bcl-2, and antioxidant (Catalase, GPx3, and SOD-1) levels. SS alleviates IPF by regulating the TLR4/NF-κB/MAPK, Keap1/Nrf2/HO-1, CaMKK/AMPK/Sirt1, and TGF-β/SMAD3 pathways. These results suggest that SS has a pharmacological activity that protects the lungs and has the potential to improve pulmonary fibrosis.
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Affiliation(s)
- Liang-Hsuan Chien
- Department of Chinese Pharmaceutical Sciences and Chinese Medicine Resources, College of Chinese Medicine, China Medical University, Taichung 404, Taiwan; Department of Pharmacy, College of Pharmacy and Health Care, Tajen University, Pingtung 907, Taiwan
| | - Jeng-Shyan Deng
- Department of Food Nutrition and Healthy Biotechnology, Asia University, Taichung 413, Taiwan
| | - Wen-Ping Jiang
- Department of Pharmacy, Chia Nan University of Pharmacy and Science, Tainan 717, Taiwan
| | - Ya-Ni Chou
- Department of Chinese Pharmaceutical Sciences and Chinese Medicine Resources, College of Chinese Medicine, China Medical University, Taichung 404, Taiwan
| | - Jaung-Geng Lin
- Department of Chinese Medical, China Medical University, Taichung 404, Taiwan.
| | - Guan-Jhong Huang
- Department of Chinese Pharmaceutical Sciences and Chinese Medicine Resources, College of Chinese Medicine, China Medical University, Taichung 404, Taiwan; Department of Food Nutrition and Healthy Biotechnology, Asia University, Taichung 413, Taiwan.
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Qin D, Han S, Liu M, Guo T, Hu Z, Zhou Y, Luo F. Polysaccharides from Phellinus linteus: A systematic review of their extractions, purifications, structures and functions. Int J Biol Macromol 2023; 230:123163. [PMID: 36623622 DOI: 10.1016/j.ijbiomac.2023.123163] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2022] [Revised: 12/13/2022] [Accepted: 01/03/2023] [Indexed: 01/08/2023]
Abstract
Phellinus linteus (P. linteus) is a famous Chinese medicine and has a long history in China. In recent years, P. linteus polysaccharides (PLPs) have attracted extensive attention because of their biological activities such as anti-bacteria, anti-aging, anti-oxidation, anti-inflammation, anti-tumor, hepatoprotective effect and hypoglycemic effect. In this review, we systemically summarized the advances in extractions, purifications and structural characterizations of PLPs, and also analyzed their biological functions and molecular mechanisms. Meanwhile, the structure-activity relationships of PLPs are closely related to their anti-oxidation and anti-tumor activities. So far, the applications of PLPs are still very limited, further exploring structure-activity relationships, biological functions and their mechanisms of PLPs will promote to develop functional foods.
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Affiliation(s)
- Dandan Qin
- Hunan Provincial Key Laboratory of Grain-oil Deep Process and Quality Control, Hunan Provincial Key Laboratory of Forestry Edible Resources Safety and Processing, National Research Center of Rice Deep Processing and Byproducts, Central South University of Forestry and Technology, Changsha 410004, China
| | - Shuai Han
- Hunan Provincial Key Laboratory of Grain-oil Deep Process and Quality Control, Hunan Provincial Key Laboratory of Forestry Edible Resources Safety and Processing, National Research Center of Rice Deep Processing and Byproducts, Central South University of Forestry and Technology, Changsha 410004, China
| | - Menglin Liu
- Hunan Provincial Key Laboratory of Grain-oil Deep Process and Quality Control, Hunan Provincial Key Laboratory of Forestry Edible Resources Safety and Processing, National Research Center of Rice Deep Processing and Byproducts, Central South University of Forestry and Technology, Changsha 410004, China
| | - Tianyi Guo
- Hunan Provincial Key Laboratory of Grain-oil Deep Process and Quality Control, Hunan Provincial Key Laboratory of Forestry Edible Resources Safety and Processing, National Research Center of Rice Deep Processing and Byproducts, Central South University of Forestry and Technology, Changsha 410004, China
| | - Zuomin Hu
- Hunan Provincial Key Laboratory of Grain-oil Deep Process and Quality Control, Hunan Provincial Key Laboratory of Forestry Edible Resources Safety and Processing, National Research Center of Rice Deep Processing and Byproducts, Central South University of Forestry and Technology, Changsha 410004, China
| | - Yaping Zhou
- Hunan Provincial Key Laboratory of Grain-oil Deep Process and Quality Control, Hunan Provincial Key Laboratory of Forestry Edible Resources Safety and Processing, National Research Center of Rice Deep Processing and Byproducts, Central South University of Forestry and Technology, Changsha 410004, China
| | - Feijun Luo
- Hunan Provincial Key Laboratory of Grain-oil Deep Process and Quality Control, Hunan Provincial Key Laboratory of Forestry Edible Resources Safety and Processing, National Research Center of Rice Deep Processing and Byproducts, Central South University of Forestry and Technology, Changsha 410004, China.
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Zhang H, Jiang F, Li L, Liu X, Yan JK. Recent advances in the bioactive polysaccharides and other key components from Phellinus spp. and their pharmacological effects: A review. Int J Biol Macromol 2022; 222:3108-3128. [DOI: 10.1016/j.ijbiomac.2022.10.085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2022] [Revised: 08/25/2022] [Accepted: 10/10/2022] [Indexed: 11/05/2022]
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Study on the potential of Sanghuangporus sanghuang and its components as COVID-19 spike protein receptor binding domain inhibitors. Biomed Pharmacother 2022; 153:113434. [PMID: 36076488 PMCID: PMC9288968 DOI: 10.1016/j.biopha.2022.113434] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Revised: 07/11/2022] [Accepted: 07/15/2022] [Indexed: 01/06/2023] Open
Abstract
Coronavirus disease 2019 (COVID-19) is caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and has led to the most severe global pandemic, which began in Wuhan, China. Angiotensin-converting enzyme 2 (ACE2) combines with the spike protein of SARS-CoV-2, allowing the virus to cross the membrane and enter the cell. SARS-CoV-2 is modified by the transmembrane protease serine 2 (TMPRSS2) to facilitate access to cells. Accordingly, ACE2 and TMPRSS2 are targets of vital importance for the avoidance of SARS-CoV-2 infection. Sanghuangporus sanghuang (SS) is a traditional Chinese medicine that has been demonstrated to have antitumor, antioxidant, anti-inflammatory, antidiabetic, hepatoprotective, neuroprotective and immunomodulatory properties. In this paper, we demonstrated that SS decreased ACE2 and TMPRSS2 expression in cell lines and a mouse model without cytotoxicity or organ damage. Liver and kidney sections were confirmed to have reduced expression of ACE2 and TMPRSS2 by immunohistochemistry (IHC) assessment. Then, hispidin, DBA, PAC, PAD and CA, phenolic compounds of SS, were also tested and verified to reduce the expression of ACE2 and TMPRSS2. In summary, the results indicate that SS and its phenolic compounds have latent capacity for preventing SARS-CoV-2 infection in the future.
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Structural diversity and bioactivity of polysaccharides from medicinal mushroom Phellinus spp.: A review. Food Chem 2022; 397:133731. [PMID: 35908464 DOI: 10.1016/j.foodchem.2022.133731] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Revised: 06/24/2022] [Accepted: 07/15/2022] [Indexed: 02/07/2023]
Abstract
Phellinus spp., an important medicinal fungus mushroom extensively cultivated and consumed in East Asia for over 2000 years, is traditionally considered a precious food supplement and medicinal ingredient. Published studies showed that the polysaccharides are major bioactive macromolecules from Phellinus spp. (PPs) with multiple health-promoting effects, including immunomodulatory, anti-cancer, anti-inflammatory, hepatoprotective, hypoglycemic, hypolipidemic, antioxidant, and other bioactivities. Although the polysaccharides extracted from the fruiting body, mycelium, and fermentation broth of Phellinus spp. have been extensively studied for the extraction and purification methods, structural characteristics, and pharmacological activities, the knowledge for their structures and bioactivity relationship, toxicologic effects, and pharmacokinetic profile is limited. This review systematically summarizes the recent progress in the isolation and purification, chemical structures, bioactivities, and the underlying mechanisms of PPs. Information from this review provides insights into the further development of polysaccharides from PPs as therapeutic agents and functional foods.
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Styrylpyrones from Phellinus linteus Mycelia Alleviate Non-Alcoholic Fatty Liver by Modulating Lipid and Glucose Metabolic Homeostasis in High-Fat and High-Fructose Diet-Fed Mice. Antioxidants (Basel) 2022; 11:antiox11050898. [PMID: 35624762 PMCID: PMC9137645 DOI: 10.3390/antiox11050898] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Revised: 04/28/2022] [Accepted: 04/28/2022] [Indexed: 11/17/2022] Open
Abstract
Phellinus linteus (PL), an edible and medicinal mushroom containing a diversity of styrylpyrone-type polyphenols, has been shown to have a broad spectrum of bioactivities. In this study, the submerged liquid culture in a 1600-L working volume of fermentor was used for the large-scale production of PL mycelia. Whether PL mycelia extract is effective against nonalcoholic fatty liver disease (NAFLD) is still unclear. In the high fat/high fructose diet (HFD)-induced NAFLD C57BL/6 mice study, the dietary supplementation of ethyl acetate fraction from PL mycelia (PL-EA) for four weeks significantly attenuated an increase in body weight, hepatic lipid accumulation and fasting glucose levels. Mechanistically, PL-EA markedly upregulated the pgc-1α, sirt1 genes and adiponectin, downregulated gck and srebp-1c; upregulated proteins PPARγ, pAMPK, and PGC-1α, and downregulated SREBP-1 and NF-κB in the liver of HFD-fed mice. Furthermore, the major purified compounds of hispidin and hypholomine B in PL-EA significantly reduced the level of oleic and palmitic acids (O/P)-induced lipid accumulation through the inhibition of up-regulated lipogenesis and the energy-metabolism related genes, ampk and pgc-1α, in the HepG2 cells. Consequently, these findings suggest that the application of PL-EA is deserving of further investigation for treating NAFLD.
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Alkhateeb HH, al-duais M. Evaluation of antidiabetic, antioxidant and antilipidemic potential of natural dietary product prepared from Cyphostemma digitatum in rats’ model of diabetes. JOURNAL OF HERBMED PHARMACOLOGY 2022. [DOI: 10.34172/jhp.2022.24] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
Introduction: Cyphostemma digitatum has a high content of antioxidant constituents and has been employed by the traditional healers and local people of Yemen for diabetes treatment. However, scientific evidence regarding its antidiabetic efficacy is largely unknown. Accordingly, the present study aimed to confirm the treatment effects of a dietary natural product prepared from Cyphostemma digitatum (PCD) in diabetic rats.Methods: Diabetes was induced by a high-fat diet and streptozotocin (HF-STZ). PCD (1 g/kg) was given by gavage administration once a day continuously for 30 days. At the end of treatment, blood and skeletal muscle samples were collected for further analysis.Results: The antidiabetic effects of PCD were demonstrated by significant reduction (P ≤ 0.05) in the levels of serum glucose (40%), triglyceride (32%), cholesterol (53%), low-density lipoprotein (LDL) (44%), malondialdehyde (MDA) (61%) in PCD treated groups compared to the diabetic control group. Additionally, PCD treatment significantly (P ≤ 0.05) restored the decreased levels of insulin (70%) and the activities of superoxide dismutase (SOD) (57%) and reduced glutathione (GSH) (544%) when compared to that of diabetic control rats. We found that treatment with PCD for 30 days fully restored the plasmalemmal glucose transporter type 4 (GLUT4) contents, as well as the phosphorylation of phosphatidylinositol 3-kinase (PI3K) (P ≤ 0.05).Conclusion: Thus, PCD treatment can be considered a potential drug candidate for diabetes.
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Affiliation(s)
- Hakam Hasan Alkhateeb
- Department of Basic Medical Sciences, Faculty of Medicine, Yarmouk University, Irbid, Jordan
| | - Mohammed al-duais
- Margaret A. Gilliam Institute for Global Food Security, McGill University, Montreal, QC, Canada
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Collins KS, Eadon MT, Cheng YH, Barwinska D, Melo Ferreira R, McCarthy TW, Janosevic D, Syed F, Maier B, El-Achkar TM, Kelly KJ, Phillips CL, Hato T, Sutton TA, Dagher PC. Alterations in Protein Translation and Carboxylic Acid Catabolic Processes in Diabetic Kidney Disease. Cells 2022; 11:cells11071166. [PMID: 35406730 PMCID: PMC8997785 DOI: 10.3390/cells11071166] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Revised: 03/22/2022] [Accepted: 03/28/2022] [Indexed: 12/27/2022] Open
Abstract
Diabetic kidney disease (DKD) remains the leading cause of end-stage kidney disease despite decades of study. Alterations in the glomerulus and kidney tubules both contribute to the pathogenesis of DKD although the majority of investigative efforts have focused on the glomerulus. We sought to examine the differential expression signature of human DKD in the glomerulus and proximal tubule and corroborate our findings in the db/db mouse model of diabetes. A transcriptogram network analysis of RNAseq data from laser microdissected (LMD) human glomerulus and proximal tubule of DKD and reference nephrectomy samples revealed enriched pathways including rhodopsin-like receptors, olfactory signaling, and ribosome (protein translation) in the proximal tubule of human DKD biopsy samples. The translation pathway was also enriched in the glomerulus. Increased translation in diabetic kidneys was validated using polyribosomal profiling in the db/db mouse model of diabetes. Using single nuclear RNA sequencing (snRNAseq) of kidneys from db/db mice, we prioritized additional pathways identified in human DKD. The top overlapping pathway identified in the murine snRNAseq proximal tubule clusters and the human LMD proximal tubule compartment was carboxylic acid catabolism. Using ultra-performance liquid chromatography–mass spectrometry, the fatty acid catabolism pathway was also found to be dysregulated in the db/db mouse model. The Acetyl-CoA metabolite was down-regulated in db/db mice, aligning with the human differential expression of the genes ACOX1 and ACACB. In summary, our findings demonstrate that proximal tubular alterations in protein translation and carboxylic acid catabolism are key features in both human and murine DKD.
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Affiliation(s)
- Kimberly S. Collins
- Division of Nephrology and Clinical Pharmacology, Department of Medicine, Indiana University School of Medicine, Indianapolis, IN 46202, USA; (K.S.C.); (M.T.E.); (R.M.F.)
| | - Michael T. Eadon
- Division of Nephrology and Clinical Pharmacology, Department of Medicine, Indiana University School of Medicine, Indianapolis, IN 46202, USA; (K.S.C.); (M.T.E.); (R.M.F.)
| | - Ying-Hua Cheng
- Division of Nephrology, Department of Medicine, Indiana University School of Medicine, Indianapolis, IN 46202, USA; (Y.-H.C.); (D.B.); (T.W.M.); (D.J.); (B.M.); (T.M.E.-A.); (K.J.K.); (T.H.)
| | - Daria Barwinska
- Division of Nephrology, Department of Medicine, Indiana University School of Medicine, Indianapolis, IN 46202, USA; (Y.-H.C.); (D.B.); (T.W.M.); (D.J.); (B.M.); (T.M.E.-A.); (K.J.K.); (T.H.)
| | - Ricardo Melo Ferreira
- Division of Nephrology and Clinical Pharmacology, Department of Medicine, Indiana University School of Medicine, Indianapolis, IN 46202, USA; (K.S.C.); (M.T.E.); (R.M.F.)
| | - Thomas W. McCarthy
- Division of Nephrology, Department of Medicine, Indiana University School of Medicine, Indianapolis, IN 46202, USA; (Y.-H.C.); (D.B.); (T.W.M.); (D.J.); (B.M.); (T.M.E.-A.); (K.J.K.); (T.H.)
| | - Danielle Janosevic
- Division of Nephrology, Department of Medicine, Indiana University School of Medicine, Indianapolis, IN 46202, USA; (Y.-H.C.); (D.B.); (T.W.M.); (D.J.); (B.M.); (T.M.E.-A.); (K.J.K.); (T.H.)
| | - Farooq Syed
- Department of Pediatrics and Herman B. Wells Center, Indiana University School of Medicine, Indianapolis, IN 46202, USA;
| | - Bernhard Maier
- Division of Nephrology, Department of Medicine, Indiana University School of Medicine, Indianapolis, IN 46202, USA; (Y.-H.C.); (D.B.); (T.W.M.); (D.J.); (B.M.); (T.M.E.-A.); (K.J.K.); (T.H.)
| | - Tarek M. El-Achkar
- Division of Nephrology, Department of Medicine, Indiana University School of Medicine, Indianapolis, IN 46202, USA; (Y.-H.C.); (D.B.); (T.W.M.); (D.J.); (B.M.); (T.M.E.-A.); (K.J.K.); (T.H.)
| | - Katherine J. Kelly
- Division of Nephrology, Department of Medicine, Indiana University School of Medicine, Indianapolis, IN 46202, USA; (Y.-H.C.); (D.B.); (T.W.M.); (D.J.); (B.M.); (T.M.E.-A.); (K.J.K.); (T.H.)
| | - Carrie L. Phillips
- Department of Pathology, Indiana University School of Medicine, Indianapolis, IN 46202, USA;
| | - Takashi Hato
- Division of Nephrology, Department of Medicine, Indiana University School of Medicine, Indianapolis, IN 46202, USA; (Y.-H.C.); (D.B.); (T.W.M.); (D.J.); (B.M.); (T.M.E.-A.); (K.J.K.); (T.H.)
| | - Timothy A. Sutton
- Division of Nephrology, Department of Medicine, Indiana University School of Medicine, Indianapolis, IN 46202, USA; (Y.-H.C.); (D.B.); (T.W.M.); (D.J.); (B.M.); (T.M.E.-A.); (K.J.K.); (T.H.)
- Correspondence: (T.A.S.); (P.C.D.); Tel.: +1-317-274-7543 (T.A.S.); +1-317-278-2867 (P.C.D.); Fax: 317-274-8575 (T.A.S. & P.C.D.)
| | - Pierre C. Dagher
- Division of Nephrology, Department of Medicine, Indiana University School of Medicine, Indianapolis, IN 46202, USA; (Y.-H.C.); (D.B.); (T.W.M.); (D.J.); (B.M.); (T.M.E.-A.); (K.J.K.); (T.H.)
- Correspondence: (T.A.S.); (P.C.D.); Tel.: +1-317-274-7543 (T.A.S.); +1-317-278-2867 (P.C.D.); Fax: 317-274-8575 (T.A.S. & P.C.D.)
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Anti-Diabetic Effects of Ethanol Extract from Sanghuangporous vaninii in High-Fat/Sucrose Diet and Streptozotocin-Induced Diabetic Mice by Modulating Gut Microbiota. Foods 2022; 11:foods11070974. [PMID: 35407061 PMCID: PMC8997417 DOI: 10.3390/foods11070974] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Revised: 03/21/2022] [Accepted: 03/24/2022] [Indexed: 01/27/2023] Open
Abstract
Type 2 diabetes mellitus (T2DM) may lead to abnormally elevated blood glucose, lipid metabolism disorder, and low-grade inflammation. Besides, the development of T2DM is always accompanied by gut microbiota dysbiosis and metabolic dysfunction. In this study, the T2DM mice model was established by feeding a high-fat/sucrose diet combined with injecting a low dose of streptozotocin. Additionally, the effects of oral administration of ethanol extract from Sanghuangporous vaninii (SVE) on T2DM and its complications (including hypoglycemia, hyperlipidemia, inflammation, and gut microbiota dysbiosis) were investigated. The results showed SVE could improve body weight, glycolipid metabolism, and inflammation-related parameters. Besides, SVE intervention effectively ameliorated the diabetes-induced pancreas and jejunum injury. Furthermore, SVE intervention significantly increased the relative abundances of Akkermansia, Dubosiella, Bacteroides, and Parabacteroides, and decreased the levels of Lactobacillus, Flavonifractor, Odoribacter, and Desulfovibrio compared to the model group (LDA > 3.0, p < 0.05). Metabolic function prediction of the intestinal microbiota by PICRUSt revealed that glycerolipid metabolism, insulin signaling pathway, PI3K-Akt signaling pathway, and fatty acid degradation were enriched in the diabetic mice treated with SVE. Moreover, the integrative analysis indicated that the key intestinal microbial phylotypes in response to SVE intervention were strongly correlated with glucose and lipid metabolism-associated biochemical parameters. These findings demonstrated that SVE has the potential to alleviate T2DM and its complications by modulating the gut microbiota imbalance.
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Wu J, Jia RB, Luo D, Li ZR, Lin L, Zheng Q, Zhao M. Sargassum fusiforme polysaccharide is a potential auxiliary substance for metformin in the management of diabetes. Food Funct 2022; 13:3023-3035. [PMID: 35199116 DOI: 10.1039/d1fo02165f] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
The present study investigated the positive effects of relatively low-dose metformin combined with Sargassum fusiforme polysaccharide (LMET-SFP) in high-fat diet and streptozotocin-induced diabetic rats, and explored the underlying mechanisms of LMET-SFP as compared to metformin alone in managing diabetes. The results indicate that both metformin and LMET-SFP can attenuate body weight loss and ameliorate hyperglycemia, insulin resistance and hyperlipidemia, and LMET-SFP exhibited better effects in lowering fasting blood glucose levels, insulin resistance index and serum cholesterol compared to metformin only. The administration of LMET-SFP could ameliorate liver dysfunction in diabetic rats. In addition, fecal bile acid data implied that LMET-SFP intervention contributed to an increase in fecal total bile acids, ursodesoxycholic acid and tauroursodesoxycholic acid profiles when compared to metformin treatment. Additionally, intestinal microbiological analysis showed that the acknowledged probiotics Lactobacillus and Bifidobacterium exhibited higher levels in the LMET-SFP group compared to the metformin group. RT-qPCR results demonstrated that the better hypoglycemic effects of LMET-SFP were mainly attributed to the down-regulation of 3-hydroxy-3-methylglutaryl-coenzyme A, cytosolic phosphoenolpyruvate carboxykinase and glucose-6-phosphatase expression, and the up-regulation of cholesterol 7α-hydroxylase expression, in contrast to metformin alone. These results suggest that SFP may be used as an auxiliary hypoglycemic substance for metformin in the future.
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Affiliation(s)
- Juan Wu
- Chaozhou Branch of Chemistry and Chemical Engineering Guangdong Laboratory, Chaozhou 521000, China.
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510640, China
| | - Rui-Bo Jia
- Chaozhou Branch of Chemistry and Chemical Engineering Guangdong Laboratory, Chaozhou 521000, China.
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510640, China
| | - Donghui Luo
- Chaozhou Branch of Chemistry and Chemical Engineering Guangdong Laboratory, Chaozhou 521000, China.
- School of Food Science and Engineering, Guangdong Ocean University, Yangjiang 529500, China
| | - Zhao-Rong Li
- Chaozhou Branch of Chemistry and Chemical Engineering Guangdong Laboratory, Chaozhou 521000, China.
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510640, China
| | - Lianzhu Lin
- Chaozhou Branch of Chemistry and Chemical Engineering Guangdong Laboratory, Chaozhou 521000, China.
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510640, China
| | - Qianwen Zheng
- Chaozhou Branch of Chemistry and Chemical Engineering Guangdong Laboratory, Chaozhou 521000, China.
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510640, China
| | - Mouming Zhao
- Chaozhou Branch of Chemistry and Chemical Engineering Guangdong Laboratory, Chaozhou 521000, China.
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510640, China
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Yu K, Tan Z, Xin Y. Systematic evaluation of the anti-tumor effect of Phellinus linteus polysaccharide in thyroid carcinoma in vitro. Mol Biol Rep 2022; 49:2785-2793. [DOI: 10.1007/s11033-021-07090-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Accepted: 12/15/2021] [Indexed: 10/19/2022]
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Mata-Torres G, Andrade-Cetto A, Espinoza-Hernández F. Approaches to Decrease Hyperglycemia by Targeting Impaired Hepatic Glucose Homeostasis Using Medicinal Plants. Front Pharmacol 2021; 12:809994. [PMID: 35002743 PMCID: PMC8733686 DOI: 10.3389/fphar.2021.809994] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Accepted: 11/30/2021] [Indexed: 11/29/2022] Open
Abstract
Liver plays a pivotal role in maintaining blood glucose levels through complex processes which involve the disposal, storage, and endogenous production of this carbohydrate. Insulin is the hormone responsible for regulating hepatic glucose production and glucose storage as glycogen, thus abnormalities in its function lead to hyperglycemia in obese or diabetic patients because of higher production rates and lower capacity to store glucose. In this context, two different but complementary therapeutic approaches can be highlighted to avoid the hyperglycemia generated by the hepatic insulin resistance: 1) enhancing insulin function by inhibiting the protein tyrosine phosphatase 1B, one of the main enzymes that disrupt the insulin signal, and 2) direct regulation of key enzymes involved in hepatic glucose production and glycogen synthesis/breakdown. It is recognized that medicinal plants are a valuable source of molecules with special properties and a wide range of scaffolds that can improve hepatic glucose metabolism. Some molecules, especially phenolic compounds and terpenoids, exhibit a powerful inhibitory capacity on protein tyrosine phosphatase 1B and decrease the expression or activity of the key enzymes involved in the gluconeogenic pathway, such as phosphoenolpyruvate carboxykinase or glucose 6-phosphatase. This review shed light on the progress made in the past 7 years in medicinal plants capable of improving hepatic glucose homeostasis through the two proposed approaches. We suggest that Coreopsis tinctoria, Lithocarpus polystachyus, and Panax ginseng can be good candidates for developing herbal medicines or phytomedicines that target inhibition of hepatic glucose output as they can modulate the activity of PTP-1B, the expression of gluconeogenic enzymes, and the glycogen content.
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Affiliation(s)
| | - Adolfo Andrade-Cetto
- Laboratorio de Etnofarmacología, Departamento de Biología Celular, Facultad de Ciencias, Universidad Nacional Autónoma de México, Mexico City, Mexico
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14
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Mirończuk-Chodakowska I, Kujawowicz K, Witkowska AM. Beta-Glucans from Fungi: Biological and Health-Promoting Potential in the COVID-19 Pandemic Era. Nutrients 2021; 13:3960. [PMID: 34836215 PMCID: PMC8623785 DOI: 10.3390/nu13113960] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2021] [Revised: 11/04/2021] [Accepted: 11/04/2021] [Indexed: 12/12/2022] Open
Abstract
Beta-glucans comprise a group of polysaccharides of natural origin found in bacteria, algae, and plants, e.g., cereal seeds, as well as microfungi and macrofungi (mushrooms), which are characterized by diverse structures and functions. They are known for their metabolic and immunomodulatory properties, including anticancer, antibacterial, and antiviral. Recent reports suggest a potential of beta-glucans in the prevention and treatment of COVID-19. In contrast to β-glucans from other sources, β-glucans from mushrooms are characterized by β-1,3-glucans with short β-1,6-side chains. This structure is recognized by receptors located on the surface of immune cells; thus, mushroom β-glucans have specific immunomodulatory properties and gained BRM (biological response modifier) status. Moreover, mushroom beta-glucans also owe their properties to the formation of triple helix conformation, which is one of the key factors influencing the bioactivity of mushroom beta-glucans. This review summarizes the latest findings on biological and health-promoting potential of mushroom beta-glucans for the treatment of civilization and viral diseases, with particular emphasis on COVID-19.
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Affiliation(s)
- Iwona Mirończuk-Chodakowska
- Department of Food Biotechnology, Faculty of Health Sciences, Medical University of Bialystok, Szpitalna 37, 15-295 Bialystok, Poland; (K.K.); (A.M.W.)
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15
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Cai J, Zhong X, Liang J, Xu C, Yu H, Xian M, Yan C, Wang S. Structural characterization, anti-inflammatory and glycosidase inhibitory activities of two new polysaccharides from the root of Pueraria lobata. RSC Adv 2021; 11:35994-36006. [PMID: 35492792 PMCID: PMC9043251 DOI: 10.1039/d1ra07385k] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2021] [Accepted: 10/18/2021] [Indexed: 12/18/2022] Open
Abstract
Diabetes seriously endangers public health and brings a heavy economic burden to the country. Inflammation is one of the main inducing factors of type-2 diabetes (T2D) and may cause some complications of diabetes, such as diabetic encephalopathy and peripheral neuropathy. In-depth research and development of drugs to cure diabetes and complications are of great significance. Pueraria lobate is a medicinal herb used in several countries to treat many diseases. Here, two new polysaccharides (PLB-1-1 and PLB-1-2) were isolated and purified from the root of Pueraria lobata with molecular weights of 9.1 × 103 Da and 3.8 × 103 Da, respectively. The structure was evaluated by monosaccharide composition, GC-MS and NMR spectroscopy. It was determined that PLB-1-1 comprised →4)-α-d-Glcp-(1→, α-d-Glcp-(1→, →6)-β-d-Galp-(1→, →3)-α-l-Araf-(1→, →3,6)-β-d-Manp-(1→ and →4,6)-β-d-Manp-(1→, and PLB-1-2 consisted of →4)-α-d-Glcp-(1→, β-d-Glcp-(1→, →4,6)-β-d-Glcp-(1→, →3,6)-β-d-Manp-(1→ and α-l-Fucp-(1→. Furthermore, both PLB-1-1 and PLB-1-2 showed anti-inflammatory and inhibitory activities of α-glucosidase and α-amylase in vitro. Therefore, the new polysaccharides, i.e., PLB-1-1 and PLB-1-2, may be considered candidates for the treatment of diabetes and its related complications. Through the extraction, isolation and purification of Pueraria lobata, we identified two new polysaccharides with molecular weights of 9.1 × 103 Da and 3.8 × 103 Da, and found that they have excellent anti-inflammatory and glycosidase inhibitory effects.![]()
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Affiliation(s)
- 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 Traditional Chinese Medicine, Guangdong Pharmaceutical University Guangzhou 510006 China.,Engineering & Technology Research Center for Chinese Materia Medica Quality of the Universities of Guangdong Province, School of Traditional Chinese Medicine, Guangdong Pharmaceutical University Guangzhou 510006 China
| | - Xiaoting Zhong
- Guangdong Pharmaceutical University Guangzhou 510006 China .,Key Laboratory of Digital Quality Evaluation of Chinese Materia Medica of State Administration of TCM, School of Traditional Chinese Medicine, Guangdong Pharmaceutical University Guangzhou 510006 China.,Engineering & Technology Research Center for Chinese Materia Medica Quality of the Universities of Guangdong Province, School of Traditional Chinese Medicine, Guangdong Pharmaceutical University Guangzhou 510006 China
| | - Jiayin Liang
- Guangdong Pharmaceutical University Guangzhou 510006 China .,Key Laboratory of Digital Quality Evaluation of Chinese Materia Medica of State Administration of TCM, School of Traditional Chinese Medicine, Guangdong Pharmaceutical University Guangzhou 510006 China.,Engineering & Technology Research Center for Chinese Materia Medica Quality of the Universities of Guangdong Province, School of Traditional Chinese Medicine, Guangdong Pharmaceutical University Guangzhou 510006 China
| | - Can Xu
- Guangdong Pharmaceutical University Guangzhou 510006 China .,Key Laboratory of Digital Quality Evaluation of Chinese Materia Medica of State Administration of TCM, School of Traditional Chinese Medicine, Guangdong Pharmaceutical University Guangzhou 510006 China.,Engineering & Technology Research Center for Chinese Materia Medica Quality of the Universities of Guangdong Province, School of Traditional Chinese Medicine, Guangdong Pharmaceutical University Guangzhou 510006 China
| | - Huanzheng Yu
- Guangdong Pharmaceutical University Guangzhou 510006 China .,Key Laboratory of Digital Quality Evaluation of Chinese Materia Medica of State Administration of TCM, School of Traditional Chinese Medicine, Guangdong Pharmaceutical University Guangzhou 510006 China.,Engineering & Technology Research Center for Chinese Materia Medica Quality of the Universities of Guangdong Province, School of Traditional Chinese Medicine, Guangdong Pharmaceutical University Guangzhou 510006 China
| | - Minghua Xian
- Guangdong Pharmaceutical University Guangzhou 510006 China .,Key Laboratory of Digital Quality Evaluation of Chinese Materia Medica of State Administration of TCM, School of Traditional Chinese Medicine, Guangdong Pharmaceutical University Guangzhou 510006 China.,Engineering & Technology Research Center for Chinese Materia Medica Quality of the Universities of Guangdong Province, School of Traditional Chinese Medicine, Guangdong Pharmaceutical University Guangzhou 510006 China
| | - Chunyan Yan
- Guangdong Pharmaceutical University Guangzhou 510006 China
| | - Shumei Wang
- Guangdong Pharmaceutical University Guangzhou 510006 China .,Key Laboratory of Digital Quality Evaluation of Chinese Materia Medica of State Administration of TCM, School of Traditional Chinese Medicine, Guangdong Pharmaceutical University Guangzhou 510006 China.,Engineering & Technology Research Center for Chinese Materia Medica Quality of the Universities of Guangdong Province, School of Traditional Chinese Medicine, Guangdong Pharmaceutical University Guangzhou 510006 China
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16
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Zhang S, Zhao J, Xie F, He H, Johnston LJ, Dai X, Wu C, Ma X. Dietary fiber-derived short-chain fatty acids: A potential therapeutic target to alleviate obesity-related nonalcoholic fatty liver disease. Obes Rev 2021; 22:e13316. [PMID: 34279051 DOI: 10.1111/obr.13316] [Citation(s) in RCA: 83] [Impact Index Per Article: 27.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/26/2021] [Revised: 05/29/2021] [Accepted: 06/14/2021] [Indexed: 02/06/2023]
Abstract
Over the past several decades, increasing global prevalence of obesity-related nonalcoholic fatty liver disease (NAFLD) has been one of main challenges to human health. Recently, increasing evidence has validated connections among short chain fatty acids (SCFAs), a physiologically relevant concentration, the intestinal microbiota, and host metabolism. In this review, we summarized crosstalk between SCFAs and host metabolism in relation to NAFLD pathophysiology, focusing on recent advances. Firstly, how SCFAs are generated and absorbed under different nutritional conditions in the gut. Secondly, how SCFAs maintain gut barrier and alleviate hepatic inflammatory responses. Thirdly, how SCFAs maintain hepatic energy balance through controlling appetite and mediating the glucose homeostasis at the systemic level. Fourthly, G-protein-coupled receptors (GPRs) are widely involved in the above metabolic processes regulated by SCFAs. Overall, this review aimed to provide new insights into the prospects of SCFAs as a potential therapeutic target in management of liver diseases.
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Affiliation(s)
- Shumin Zhang
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Jingwen Zhao
- Department of Gastroenterology and Hepatology, Tianjin Medical University General Hospital, Tianjin, China
| | - Fei Xie
- Key Laboratory of Feed Biotechnology of Ministry of Agriculture, Feed Research Institute, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Hengxun He
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Lee J Johnston
- West Central Research and Outreach Centre, University of Minnesota, Morris, Minnesota, USA
| | - Xiaofeng Dai
- Key Laboratory of Feed Biotechnology of Ministry of Agriculture, Feed Research Institute, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Chaodong Wu
- Department of Nutrition and Food Science, Texas A&M University, College Station, Texas, USA
| | - Xi Ma
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, China
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17
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Plant Extracts for Type 2 Diabetes: From Traditional Medicine to Modern Drug Discovery. Antioxidants (Basel) 2021; 10:antiox10010081. [PMID: 33435282 PMCID: PMC7827314 DOI: 10.3390/antiox10010081] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2020] [Revised: 01/04/2021] [Accepted: 01/07/2021] [Indexed: 12/17/2022] Open
Abstract
Type 2 diabetes mellitus (T2DM) is one of the largest public health problems worldwide. Insulin resistance-related metabolic dysfunction and chronic hyperglycemia result in devastating complications and poor prognosis. Even though there are many conventional drugs such as metformin (MET), Thiazolidinediones (TZDs), sulfonylureas (SUF), dipeptidyl peptidase 4 (DPP-4) inhibitors, glucagon like peptide 1 (GLP-1) and sodium-glucose cotransporter-2 (SGLT-2) inhibitors, side effects still exist. As numerous plant extracts with antidiabetic effects have been widely reported, they have the potential to be a great therapeutic agent for type 2 diabetes with less side effects. In this study, sixty-five recent studies regarding plant extracts that alleviate type 2 diabetes were reviewed. Plant extracts regulated blood glucose through the phosphoinositide 3-kinase (PI3K)/protein kinase B (Akt) pathway. The anti-inflammatory and antioxidant properties of plant extracts suppressed c-Jun amino terminal kinase (JNK) and nuclear factor kappa B (NF-κB) pathways, which induce insulin resistance. Lipogenesis and fatty acid oxidation, which are also associated with insulin resistance, are regulated by AMP-activated protein kinase (AMPK) activation. This review focuses on discovering plant extracts that alleviate type 2 diabetes and exploring its therapeutic mechanisms.
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18
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Gai H, Zhou F, Zhang Y, Ai J, Zhan J, You Y, Huang W. Coniferaldehyde ameliorates the lipid and glucose metabolism in palmitic acid-induced HepG2 cells via the LKB1/AMPK signaling pathway. J Food Sci 2020; 85:4050-4060. [PMID: 33037652 DOI: 10.1111/1750-3841.15482] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Revised: 09/03/2020] [Accepted: 09/11/2020] [Indexed: 12/13/2022]
Abstract
Impaired lipid and glucose metabolism in the liver is a crucial characteristic of nonalcoholic fatty liver disease (NAFLD). Coniferaldehyde (CA), a kind of phenolic compound found in many edible plants, has multiple biological and pharmacological functions. However, since the effect and molecular mechanism of CA on hepatic lipid and glucose metabolism disorders in NAFLD remain unknown, this study investigated its impact on the lipid and glucose metabolism of palmitic acid (PA)-induced HepG2 cells. Compared with the HepG2 cells treated only with PA, supplementation with 25, 50, and 100 µM CA reduced the levels of intracellular triglyceride (by 7.11%, 19.62%, and 31.57%) and total cholesterol (by 8.46%, 23.32%, and 27.17%), and enhanced glucose uptake (by 40.91%, 57.49%, and 61.32%) and intracellular glycogen content (by 12.75%, 41.27%, and 53.77%). Moreover, CA supplementation downregulated the expression of sterol regulatory element-binding protein-1, fatty acid synthase, and stearoyl-CoA desaturase 1 related to lipogenesis while upregulating the expression of carnitine palmitoyltransferase 1α related to fatty acid oxidation. CA supplementation also upregulated the glucose transporter 2 protein expression and phosphorylation of glycogen synthase kinase 3β while downregulating the phosphorylation of glycogen synthase. Most importantly, most of these effects of CA were reversed by pretreatment with AMP-activated protein kinase (AMPK) inhibitor and small interfering RNA-liver kinase B1 (LKB1). In conclusion, CA ameliorated the lipid and glucose metabolism in PA-induced HepG2 cells via the LKB1/AMPK signaling pathway. PRACTICAL APPLICATION: In this study, coniferaldehyde appeared to be effective in ameliorating hepatic lipid and glucose metabolism disorders in nonalcoholic fatty liver disease by reducing the levels of intracellular triglyceride and total cholesterol and enhancing glucose uptake and intracellular glycogen content via the LKB1/AMPK signaling pathway in vitro. Therefore, our findings provide new evidence in support of that supplementation with coniferaldehyde or food rich in coniferaldehyde might be considered as a viable dietary intervention strategy for preventing and treating nonalcoholic fatty liver disease.
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Affiliation(s)
- Hongyu Gai
- College of Food Science and Nutritional Engineering, Beijing Key Laboratory of Viticulture and Enology, China Agricultural University, Tsinghua East Road 17, Haidian District, Beijing, 100083, China
| | - Fang Zhou
- College of Food Science and Nutritional Engineering, Beijing Key Laboratory of Viticulture and Enology, China Agricultural University, Tsinghua East Road 17, Haidian District, Beijing, 100083, China
| | - Yuxin Zhang
- College of Food Science and Nutritional Engineering, Beijing Key Laboratory of Viticulture and Enology, China Agricultural University, Tsinghua East Road 17, Haidian District, Beijing, 100083, China
| | - Jingya Ai
- College of Food Science and Nutritional Engineering, Beijing Key Laboratory of Viticulture and Enology, China Agricultural University, Tsinghua East Road 17, Haidian District, Beijing, 100083, China
| | - Jicheng Zhan
- College of Food Science and Nutritional Engineering, Beijing Key Laboratory of Viticulture and Enology, China Agricultural University, Tsinghua East Road 17, Haidian District, Beijing, 100083, China
| | - Yilin You
- College of Food Science and Nutritional Engineering, Beijing Key Laboratory of Viticulture and Enology, China Agricultural University, Tsinghua East Road 17, Haidian District, Beijing, 100083, China.,Xinghua Industrial Research Centre for Food Science and Human Health, China Agricultural University, Xinghua, Jiangsu, 225700, China
| | - Weidong Huang
- College of Food Science and Nutritional Engineering, Beijing Key Laboratory of Viticulture and Enology, China Agricultural University, Tsinghua East Road 17, Haidian District, Beijing, 100083, China
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19
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Vasodilatory Effect of Phellinus linteus Extract in Rat Mesenteric Arteries. Molecules 2020; 25:molecules25143160. [PMID: 32664327 PMCID: PMC7397296 DOI: 10.3390/molecules25143160] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2020] [Revised: 07/08/2020] [Accepted: 07/09/2020] [Indexed: 11/20/2022] Open
Abstract
Phellinus linteus is a well-known medicinal mushroom that is widely used in Asian countries. In several experimental models, Phellinus linteus extracts were reported to have various biological effects, including anti-inflammatory, anti-cancer, hepatoprotective, anti-diabetic, neuroprotective, and anti-angiogenic activity. In the present study, several bioactive compounds, including palmitic acid ethyl ester and linoleic acid, were identified in Phellinus linteus. The intermediate-conductance calcium-activated potassium channel (IKCa) plays an important role in the regulation of the vascular smooth muscle cells’ (VSMCs) contraction and relaxation. The activation of the IKCa channel causes the hyperpolarization and relaxation of VSMCs. To examine whether Phellinus linteus extract causes vasodilation in the mesenteric arteries of rats, we measured the isometric tension using a wire myograph. After the arteries were pre-contracted with U46619 (a thromboxane analogue, 1 µM), Phellinus linteus extract was administered. The Phellinus linteus extract induced vasodilation in a dose-dependent manner, which was independent of the endothelium. To further investigate the mechanism, we used the non-selective K+ channel blocker tetraethylammonium (TEA). TEA significantly abolished Phellinus linteus extract-induced vasodilation. Thus, we tested three different types of K+ channel blockers: iberiotoxin (BKca channel blocker), apamin (SKca channel blocker), and charybdotoxin (IKca channel blocker). Charybdotoxin significantly inhibited Phellinus linteus extract-induced relaxation, while there was no effect from apamin and iberiotoxin. Membrane potential was measured using the voltage-sensitive dye bis-(1,3-dibutylbarbituric acid)-trimethine oxonol (DiBAC4(3)) in the primary isolated vascular smooth muscle cells (VSMCs). We found that the Phellinus linteus extract induced hyperpolarization of VSMCs, which is associated with a reduced phosphorylation level of 20 KDa myosin light chain (MLC20).
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20
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Cheng K, Yu C, Li Z, Li S, Yan E, Song Z, Zhang H, Zhang L, Wang T. Resveratrol improves meat quality, muscular antioxidant capacity, lipid metabolism and fiber type composition of intrauterine growth retarded pigs. Meat Sci 2020; 170:108237. [PMID: 32739758 DOI: 10.1016/j.meatsci.2020.108237] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2020] [Revised: 06/20/2020] [Accepted: 07/05/2020] [Indexed: 12/13/2022]
Abstract
This study investigated whether resveratrol could improve meat quality, muscular antioxidant capacity, lipid metabolism and fiber type composition of intrauterine growth retarded pigs. Thirty-six pairs of male normal birth weight and intrauterine growth retardation (IUGR) piglets were orally fed with 80 mg resveratrol/kg body weight/d or vehicle during the sucking period (7-21 d). Then the offspring were fed with a basal diet containing 300 mg resveratrol/kg or a basal diet from weaning to slaughter (150 d). The IUGR-impaired meat quality (luminance and yellowness) was associated with muscular oxidative stress via increased Keap1 protein level, fat accumulation, and higher MyHC IIb gene expression. Expectedly, resveratrol increased glutathione peroxidase activity and MyHC I gene expression, reduced protein carbonyl and malondialdehyde contents, enhanced fatty acid oxidation via upregulated PPARα and targeted genes expression, and thereby improving drip loss and yellowness. Results indicate that resveratrol improved meat quality of IUGR pigs through enhancing antioxidant capacity, increasing oxidative fiber composition, and suppressing lipid accumulation.
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Affiliation(s)
- Kang Cheng
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, PR China
| | - Caiyun Yu
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, PR China
| | - Zhihua Li
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, PR China
| | - Simian Li
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, PR China
| | - Enfa Yan
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, PR China
| | - Zhihua Song
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, PR China
| | - Hao Zhang
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, PR China
| | - Lili Zhang
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, PR China.
| | - Tian Wang
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, PR China.
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21
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Li I, Chen CC, Sheu S, Huang I, Chen C. Optimized production and safety evaluation of hispidin-enriched Sanghuangporus sanghuang mycelia. Food Sci Nutr 2020; 8:1864-1873. [PMID: 32328252 PMCID: PMC7174198 DOI: 10.1002/fsn3.1469] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2019] [Revised: 01/16/2020] [Accepted: 01/29/2020] [Indexed: 12/24/2022] Open
Abstract
Phellinus linteus, also known as the sanghuang mushroom, is a medicinal mushroom that has been recognized as beneficial to health for more thousands of years. Among its diverse valuable secondary metabolites, the yellow-brown styrylpyrone pigment hispidin has garnered significant attention due to its various pharmacological effects. However, recently after detailed morphological and molecular phylogenetic studies, the correct scientific name of the true sanghuang strains was shown not to be P. linteus but Sanghuangporus sanghuang. As the incorrect binomial name P. linteus has long been misleadingly referred, there is a need to evaluate the safety of S. sanghuang. Moreover, the growing conditions can impact the secondary metabolite profile of the fungi. Hence, this study is the first to optimize hispidin production and to investigate the genotoxic and oral toxic effects of hispidin-enriched S. sanghuang mycelia. In order to induce the biosynthesis of hispidin, 15 different culture media consisting of five carbon sources, five nitrogen sources, and five initial pH conditions were screened. Glucose and yeast extract at an initial pH of 5 were found to be the most suitable carbon and nitrogen sources, respectively, for the optimal growth and production of hispidin. Moreover, the production of hispidin was 3 mg/g in a 20-ton bioreactor under optimal conditions. Furthermore, the ames test, in vitro chromosome aberration test, acute oral toxicity test, and bone marrow micronucleus test were used to detect toxicological properties of 3 mg/g hispidin-enriched S. sanghuang mycelia. In all tests, there was no statistically significant difference between the mycelia and the negative control. Based on the results obtained, the present study demonstrates that 3 mg/g hispidin-enriched S. sanghuang mycelia has a very low order of toxicity, which supports its safety for human consumption.
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Affiliation(s)
- I‐Chen Li
- Biotech Research InstituteGrape King Bio LtdTaoyuanTaiwan
| | | | - Sen‐Je Sheu
- Biotech Research InstituteGrape King Bio LtdTaoyuanTaiwan
| | - I‐Hsuan Huang
- Department of Food Science and BiotechnologyDa‐Yeh UniversityChanghuaTaiwan
| | - Chin‐Chu Chen
- Biotech Research InstituteGrape King Bio LtdTaoyuanTaiwan
- Institute of Food Science and TechnologyNational Taiwan UniversityTaipeiTaiwan
- Department of Bioscience TechnologyChung Yuan Christian UniversityTaoyuanTaiwan
- Department of Food Science, Nutrition, and Nutraceutical BiotechnologyShih Chien UniversityTaipeiTaiwan
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22
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Chen W, Tan H, Liu Q, Zheng X, Zhang H, Liu Y, Xu L. A Review: The Bioactivities and Pharmacological Applications of Phellinus linteus. Molecules 2019; 24:molecules24101888. [PMID: 31100959 PMCID: PMC6572527 DOI: 10.3390/molecules24101888] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2019] [Revised: 05/10/2019] [Accepted: 05/14/2019] [Indexed: 12/11/2022] Open
Abstract
Phellinus linteus is a popular medicinal mushroom that is widely used in China, Korea, Japan, and other Asian countries. P. linteus comprises various bioactive components, such as polysaccharides, triterpenoids, phenylpropanoids, and furans, and has proven to be an effective therapeutic agent in traditional Chinese medicine for the treatment and the prevention of various diseases. A number of studies have reported that P. linteus possesses many biological activities useful for pharmacological applications, including anticancer, anti-inflammatory, immunomodulatory, antioxidative, and antifungal activities, as well as antidiabetic, hepatoprotective, and neuroprotective effects. This review article briefly presents the recent progress made in understanding the bioactive components, biological activities, pharmacological applications, safety, and prospects of P. linteus, and provides helpful references and promising directions for further studies of P. linteus.
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Affiliation(s)
- Wenhua Chen
- School of Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan 250355, China.
| | - Huiying Tan
- School of Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan 250355, China.
| | - Qian Liu
- School of Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan 250355, China.
| | - Xiaohua Zheng
- School of Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan 250355, China.
| | - Hua Zhang
- School of Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan 250355, China.
| | - Yuhong Liu
- School of Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan 250355, China.
| | - Lingchuan Xu
- School of Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan 250355, China.
- Key Laboratory of Medicinal Fungi and Resource Development in Shandong Province, Shandong University of Traditional Chinese Medicine, Jinan 250355, China.
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