1
|
Zhang J, Chen X, Han L, Ma B, Tian M, Bai C, Zhang Y. Research Progress in Traditional Applications, Phytochemistry, Pharmacology, and Safety Evaluation of Cynomorium songaricum. Molecules 2024; 29:941. [PMID: 38474452 DOI: 10.3390/molecules29050941] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2024] [Revised: 02/12/2024] [Accepted: 02/13/2024] [Indexed: 03/14/2024] Open
Abstract
Cynomorium songaricum Rupr. (CSR) belongs to the family Cynomoriaceae. It is a perennial succulent parasitic herb with a reddish-brown coloration, predominantly submerged in sand and lacking chlorophyll. Traditionally, it has been used in ethnic medicine to treat various diseases, such as gastric ulcers, indigestion, bowel movements, and improving sexual function. To comprehensively collect CSR data, extensive literature searches were conducted using medical, ecological, and scientific databases such as Google Scholar, PubMed, Science Direct, Web of Science, and China National Knowledge Infrastructure (CNKI). This article summarizes and categorizes research on the uses, phytochemical characteristics, pharmacological activities, and toxicity of ethnic medicine, with the aim of establishing a solid foundation and proposing new avenues for exploring and developing potential applications of CSR. So far, a total of 98 compounds have been isolated and identified from CSR, including flavonoids, terpenes, steroids, and other compounds. It is worth noting that flavonoids and polysaccharides have significant antioxidant and anti-inflammatory properties. In addition, these compounds also show good application prospects in anti-tumor, antioxidant, anti-aging, anti-fatigue, anti-diabetes, and other aspects. Although extensive progress has been made in the basic research of CSR, further research is still needed to enhance the understanding of its mechanism of action and explore more unknown compounds. Our review indicates that CSR has broad prospects and deserves further research.
Collapse
Affiliation(s)
- Jin Zhang
- College of Pharmacy, Ningxia Medical University, Yinchuan 750004, China
- Key Laboratory of Ningxia Ethnomedicine Modernization, Ministry of Education, Ningxia Medical University, Yinchuan 750004, China
| | - Xingyi Chen
- College of Pharmacy, Ningxia Medical University, Yinchuan 750004, China
- Key Laboratory of Ningxia Ethnomedicine Modernization, Ministry of Education, Ningxia Medical University, Yinchuan 750004, China
| | - Lu Han
- College of Pharmacy, Ningxia Medical University, Yinchuan 750004, China
- Key Laboratory of Ningxia Ethnomedicine Modernization, Ministry of Education, Ningxia Medical University, Yinchuan 750004, China
| | - Biao Ma
- College of Pharmacy, Ningxia Medical University, Yinchuan 750004, China
- Key Laboratory of Ningxia Ethnomedicine Modernization, Ministry of Education, Ningxia Medical University, Yinchuan 750004, China
| | - Mengting Tian
- College of Pharmacy, Ningxia Medical University, Yinchuan 750004, China
- Key Laboratory of Ningxia Ethnomedicine Modernization, Ministry of Education, Ningxia Medical University, Yinchuan 750004, China
| | - Changcai Bai
- College of Pharmacy, Ningxia Medical University, Yinchuan 750004, China
- Key Laboratory of Ningxia Ethnomedicine Modernization, Ministry of Education, Ningxia Medical University, Yinchuan 750004, China
| | - Ye Zhang
- College of Pharmacy, Inner Mongolia Medical University, Hohhot 010110, China
| |
Collapse
|
2
|
Zhao P, Guan M, Tang W, Walayat N, Ding Y, Liu J. Structural diversity, fermentation production, bioactivities and applications of triterpenoids from several common medicinal fungi: Recent advances and future perspectives. Fitoterapia 2023; 166:105470. [PMID: 36914012 DOI: 10.1016/j.fitote.2023.105470] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Revised: 03/06/2023] [Accepted: 03/09/2023] [Indexed: 03/15/2023]
Abstract
Medicinal fungi are beneficial to human health and it reduces the risk of chronic diseases. Triterpenoids are polycyclic compounds derived from the straight-chain hydrocarbon squalene, which are widely distributed in medicinal fungi. Triterpenoids from medicinal fungal sources possess diverse bioactive activities such as anti-cancer, immunomodulatory, anti-inflammatory, anti-obesity. This review article describes the structure, fermentation production, biological activities, and application of triterpenoids from the medicinal fungi including Ganoderma lucidum, Poria cocos, Antrodia camphorata, Inonotus obliquus, Phellinus linteus, Pleurotus ostreatus, and Laetiporus sulphureus. Besides, the research perspectives of triterpenoids from medicinal fungi are also proposed. This paper provides useful guidance and reference for further research on medicinal fungi triterpenoids.
Collapse
Affiliation(s)
- Peicheng Zhao
- College of Food Science and Technology, Zhejiang University of Technology, Hangzhou 310014, China
| | - Meizhu Guan
- College of Food Science and Technology, Zhejiang University of Technology, Hangzhou 310014, China
| | - Wei Tang
- College of Food Science and Technology, Zhejiang University of Technology, Hangzhou 310014, China.
| | - Noman Walayat
- College of Food Science and Technology, Zhejiang University of Technology, Hangzhou 310014, China
| | - Yuting Ding
- College of Food Science and Technology, Zhejiang University of Technology, Hangzhou 310014, China
| | - Jianhua Liu
- College of Food Science and Technology, Zhejiang University of Technology, Hangzhou 310014, China.
| |
Collapse
|
3
|
Wang J, Su H, Wu Z, Wang W, Zhou Y, Li M. Integrated Metabolites and Transcriptomics at Different Growth Stages Reveal Polysaccharide and Flavonoid Biosynthesis in Cynomorium songaricum. Int J Mol Sci 2022; 23:ijms231810675. [PMID: 36142587 PMCID: PMC9501575 DOI: 10.3390/ijms231810675] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Revised: 09/08/2022] [Accepted: 09/09/2022] [Indexed: 11/24/2022] Open
Abstract
Cynomorium songaricum is a perennial parasitic herb, and its stem is widely used as a traditional Chinese medicine, which largely relies on bioactive compounds (e.g., polysaccharides, flavonoids, and triterpenes). To date, although the optimum harvest time of stems has been demonstrated at the unearthed stage (namely the early flowering stage, EFS), the accumulation mechanism of polysaccharides and flavonoids during growth stages is still limited. In this study, the physiological characteristics (stem fresh weight, contents of soluble sugar and flavonoids, and antioxidant capacity) at four different growth stages (germination stage (GS), vegetative growth stage (VGS), EFS, and flowering stage (FS)) were determined, transcriptomics were analyzed by illumina sequencing, and expression levels of key genes were validated by qRT-PCR at the GS, VGS, and EFS. The results show that the stem biomass, soluble sugar and total flavonoids contents, and antioxidant capacity peaked at EFS compared with GS, VGS, and FS. A total of 6098 and 13,023 differentially expressed genes (DEGs) were observed at VGS and EFS vs. GS, respectively, with 367 genes co-expressed. Based on their biological functions, 109 genes were directly involved in polysaccharide and flavonoid biosynthesis as well as growth and development. The expression levels of key genes involved in polysaccharides (e.g., GLCs, XTHs and PMEs), flavonoids (e.g., 4CLLs, CYPs and UGTs), growth and development (e.g., AC58, TCPs and AP1), hormones biosynthesis and signaling (e.g., YUC8, AIPT and ACO1), and transcription factors (e.g., MYBs, bHLHs and WRKYs) were in accordance with changes of physiological characteristics. The combinational analysis of metabolites with transcriptomics provides insight into the mechanism of polysaccharide and flavonoid biosynthesis in C. songaricum during growth stages.
Collapse
Affiliation(s)
- Jie Wang
- Qinghai Key Laboratory of Qinghai-Tibet Plateau Biological Resource, Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining 810008, China
| | - Hongyan Su
- State Key Laboratory of Aridland Crop Science, College of Life Science and Technology, Gansu Agricultural University, Lanzhou 730070, China
| | - Zhibo Wu
- Station of Alxa League Aviation Forest Guard, Alxa 750306, China
| | - Wenshu Wang
- Alxa Forestry and Grassland Research Institute, Alxa 750306, China
| | - Yubi Zhou
- Qinghai Key Laboratory of Qinghai-Tibet Plateau Biological Resource, Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining 810008, China
- Correspondence: (Y.Z.); (M.L.)
| | - Mengfei Li
- State Key Laboratory of Aridland Crop Science, College of Life Science and Technology, Gansu Agricultural University, Lanzhou 730070, China
- Correspondence: (Y.Z.); (M.L.)
| |
Collapse
|
4
|
Transcriptomics Reveals Host-Dependent Differences of Polysaccharides Biosynthesis in Cynomorium songaricum. Molecules 2021; 27:molecules27010044. [PMID: 35011276 PMCID: PMC8746405 DOI: 10.3390/molecules27010044] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2021] [Revised: 12/17/2021] [Accepted: 12/20/2021] [Indexed: 12/13/2022] Open
Abstract
Cynomorium songaricum is a root holoparasitic herb that is mainly hosted in the roots of Nitraria roborowskii and Nitraria sibirica distributed in the arid desert and saline-alkaline regions. The stem of C. songaricum is widely used as a traditional Chinese medicine and applied in anti-viral, anti-obesity and anti-diabetes, which largely rely on the bioactive components including: polysaccharides, flavonoids and triterpenes. Although the differences in growth characteristics of C. songaricum between N. roborowskii and N. sibirica have been reported, the difference of the two hosts on growth and polysaccharides biosynthesis in C. songaricum as well as regulation mechanism are not limited. Here, the physiological characteristics and transcriptome of C. songaricum host in N. roborowskii (CR) and N. sibirica (CS) were conducted. The results showed that the fresh weight, soluble sugar content and antioxidant capacity on a per stem basis exhibited a 3.3-, 3.0- and 2.1-fold increase in CR compared to CS. A total of 16,921 differentially expressed genes (DEGs) were observed in CR versus CS, with 2573 characterized genes, 1725 up-regulated and 848 down-regulated. Based on biological functions, 50 DEGs were associated with polysaccharides and starch metabolism as well as their transport. The expression levels of the selected 37 genes were validated by qRT-PCR and almost consistent with their Reads Per kb per Million values. These findings would provide useful references for improving the yield and quality of C. songaricum.
Collapse
|
5
|
Oboh M, Govender L, Siwela M, Mkhwanazi BN. Anti-Diabetic Potential of Plant-Based Pentacyclic Triterpene Derivatives: Progress Made to Improve Efficacy and Bioavailability. Molecules 2021; 26:7243. [PMID: 34885816 PMCID: PMC8659003 DOI: 10.3390/molecules26237243] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Revised: 11/18/2021] [Accepted: 11/24/2021] [Indexed: 11/29/2022] Open
Abstract
Diabetes mellitus (DM) results from the inability of the pancreas to produce sufficient insulin or weakened cellular response to the insulin produced, which leads to hyperglycemia. Current treatments of DM focus on the use of oral hypoglycemic drugs such as acarbose, alpha-glucose inhibitors, sulphonylureas, thiazolidinediones, and biguanides to control blood glucose levels. However, these medications are known to have various side effects in addition to their bioavailability, efficacy, and safety concerns. These drawbacks have increased interest in the anti-diabetic potential of plant-derived bioactive compounds such as oleanolic and maslinic acids. Although their efficacy in ameliorating blood glucose levels has been reported in several studies, their bioavailability and efficacy remain of concern. The current review examines the anti-diabetic effects of oleanolic, maslinic, asiatic, ursolic, and corosolic acids and their derivatives, as well as the progress made thus far to enhance their bioavailability and efficacy. The literature for the current review was gathered from leading academic databases-including Google Scholar and PubMed-the key words listed below were used. The literature was searched as widely and comprehensively as possible without a defined range of dates.
Collapse
Affiliation(s)
| | | | | | - Blessing Nkazimulo Mkhwanazi
- Dietetics and Human Nutrition, School of Agricultural, Earth and Environmental Sciences, University of Kwazulu-Natal, Private Bag X01, Scottsville 3209, Pietermaritzburg 3201, South Africa; (M.O.); (L.G.); (M.S.)
| |
Collapse
|
6
|
Ursolic Acid and Related Analogues: Triterpenoids with Broad Health Benefits. Antioxidants (Basel) 2021; 10:antiox10081161. [PMID: 34439409 PMCID: PMC8388988 DOI: 10.3390/antiox10081161] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2021] [Revised: 06/04/2021] [Accepted: 06/22/2021] [Indexed: 12/14/2022] Open
Abstract
Ursolic acid (UA) is a well-studied natural pentacyclic triterpenoid found in herbs, fruit and a number of traditional Chinese medicinal plants. UA has a broad range of biological activities and numerous potential health benefits. In this review, we summarize the current data on the bioavailability and pharmacokinetics of UA and review the literature on the biological activities of UA and its closest analogues in the context of inflammation, metabolic diseases, including liver and kidney diseases, obesity and diabetes, cardiovascular diseases, cancer, and neurological disorders. We end with a brief overview of UA’s main analogues with a special focus on a newly discovered naturally occurring analogue with intriguing biological properties and potential health benefits, 23-hydroxy ursolic acid.
Collapse
|
7
|
Uddandrao VVS, Rameshreddy P, Brahmanaidu P, Ponnusamy P, Balakrishnan S, Ramavat RN, Swapna K, Pothani S, Nemani H, Meriga B, Vadivukkarasi S, P R N, Ganapathy S. Antiobesity efficacy of asiatic acid: down-regulation of adipogenic and inflammatory processes in high fat diet induced obese rats. Arch Physiol Biochem 2020; 126:453-462. [PMID: 30739501 DOI: 10.1080/13813455.2018.1555668] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
In the current study, we evaluated the effects of Asiatic acid (AA) on lipid metabolic markers in HFD-induced obese Sprague-Dawley rat model. AA (20 mg/kg BW) was administered orally to HFD-fed rats for 42 days. Changes in body composition, glucose, insulin resistance (IR) and lipid profiles of tissues, plasma and the pattern of gene expression of peroxisome proliferator-activated receptor-γ (PPAR-γ) and its target genes fatty-acid synthase (FAS), adipocyte protein-2 (aP2) and uncoupling protein-2 (UCP-2) and pro-inflammatory factor tumor necrosis factor (TNF)-α were observed in experimental rats. Oral administration of AA exerts therapeutic effects similar to orlistat in attenuating body weight gain, glucose, IR, plasma and tissue lipids and mRNA levels of PPAR-γ, FAS, aP2 and inflammatory factor TNF-α and increasing UCP-2 expression in HFD-fed rats. Hence, these findings concluded that AA attenuate HFD-induced obesity by modulating PPAR-γ and its target genes and regulate lipid metabolism, suggesting their possible antiobesity effects.
Collapse
Affiliation(s)
- V V Sathibabu Uddandrao
- Centre for Biological Sciences, Department of Biochemistry, K.S. Rangasamy College of Arts and Science (Autonomous), Tiruchengode, India
| | - P Rameshreddy
- Centre for Biological Sciences, Department of Biochemistry, K.S. Rangasamy College of Arts and Science (Autonomous), Tiruchengode, India
| | - P Brahmanaidu
- Animal Physiology and Biochemistry Laboratory, ICMR-National Animal Resource Facility for Biomedical Research, Hyderabad, India
| | | | - Santhanaraj Balakrishnan
- College of Applied Medical Sciences, Majmaah University, Al Majmaah, The Kingdom of Saudi Arabia
- Department of Bio-Medical Engineering, Velalar College of Engineering and Technology, Thindal, Tamil Nadu, India
| | - Ravindar Naik Ramavat
- Animal Physiology and Biochemistry Laboratory, ICMR-National Animal Resource Facility for Biomedical Research, Hyderabad, India
| | - K Swapna
- Centre for Biological Sciences, Department of Biochemistry, K.S. Rangasamy College of Arts and Science (Autonomous), Tiruchengode, India
| | - Suresh Pothani
- Animal Physiology and Biochemistry Laboratory, ICMR-National Animal Resource Facility for Biomedical Research, Hyderabad, India
| | - Harishankar Nemani
- Animal Physiology and Biochemistry Laboratory, ICMR-National Animal Resource Facility for Biomedical Research, Hyderabad, India
| | - Balaji Meriga
- Department of Biochemistry, Animal Physiology and Biochemistry Laboratory, Sri Venkateswara University, Tirupati, India
| | - S Vadivukkarasi
- Centre for Biological Sciences, Department of Biochemistry, K.S. Rangasamy College of Arts and Science (Autonomous), Tiruchengode, India
| | - Nivedha P R
- Centre for Biological Sciences, Department of Biochemistry, K.S. Rangasamy College of Arts and Science (Autonomous), Tiruchengode, India
| | - Saravanan Ganapathy
- Centre for Biological Sciences, Department of Biochemistry, K.S. Rangasamy College of Arts and Science (Autonomous), Tiruchengode, India
| |
Collapse
|
8
|
Chen J, Leong PK, Leung HY, Chan WM, Wong HS, Ko KM. 48Biochemical mechanisms of the anti-obesity effect of a triterpenoid-enriched extract of Cynomorium songaricum in mice with high-fat-diet-induced obesity. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2020; 73:153038. [PMID: 31378503 DOI: 10.1016/j.phymed.2019.153038] [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: 11/22/2018] [Revised: 07/05/2019] [Accepted: 07/19/2019] [Indexed: 06/10/2023]
Abstract
BACKGROUND HCY2, a triterpenoid-enriched extract of Cynomorii Herba, has been shown to reduce body weight and adiposity and attenuate manifestations of the associated metabolic syndrome in high-fat-diet (HFD)-fed mice. PURPOSE The current study aimed to investigate the biochemical mechanism underlying the anti-obesity effect produced by HCY2. STUDY DESIGN An HCY2-containing extract was examined for its effects on the regulation of adenosine monophosphate-activated protein kinase (AMPK)/peroxisome proliferator-activated receptor gamma co-activator-1 (PGC1) pathways and the protein expression related to mitochondrial uncoupling and biogenesis in skeletal muscle using an HFD-induced obese mouse model. METHODS The obese mouse model was produced by providing HFD (60% kcal from fat) ad libitum. The effects and signaling mechanisms of HCY2 were examined using analytical procedures which included enzyme-linked immunosorbent assay kits, Western blot analysis, and the use of a Clark-type oxygen electrode. RESULTS The current study revealed that the weight reduction produced by HCY2 is associated with the activation of the AMPK signaling pathway, with resultant increases in mitochondrial biogenesis and expression of uncoupling protein 3 in skeletal muscle in vivo. The use of a recoupler, ketocholestanol, delineated the precise role of mitochondrial uncoupling in the anti-obesity effect afforded by HCY2 in obese mice. CONCLUSION Our experimental findings offer a promising prospect for the use of HCY2 in the management of obesity through the regulation of AMPK/PGC1 pathways.
Collapse
Affiliation(s)
- Jihang Chen
- School of Life and Health Science, The Chinese University of Hong Kong, Shenzhen, Guangdong, 518172, China.
| | - Pou Kuan Leong
- Division of Life Science, The Hong Kong University of Science & Technology, Clear Water Bay, Hong Kong SAR, China
| | - Hoi Yan Leung
- Division of Life Science, The Hong Kong University of Science & Technology, Clear Water Bay, Hong Kong SAR, China
| | - Wing Man Chan
- Division of Life Science, The Hong Kong University of Science & Technology, Clear Water Bay, Hong Kong SAR, China
| | - Hoi Shan Wong
- Buck Institute for Research on Aging, Novato, CA 94945, USA
| | - Kam Ming Ko
- Division of Life Science, The Hong Kong University of Science & Technology, Clear Water Bay, Hong Kong SAR, China.
| |
Collapse
|
9
|
Shi J, Xu Y, Guo J, Mu X, Wang C, Chen X, Zhang J. Extraction, purification, characterization, and rheological properties of a glycoprotein from Cynomorium songaricum Rupr. Biotechnol Appl Biochem 2020; 68:41-51. [PMID: 31981375 DOI: 10.1002/bab.1892] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2019] [Accepted: 01/21/2020] [Indexed: 12/25/2022]
Abstract
Cynomorium songaricum Rupr is widely known in China as a traditional herbal medicine. In this study, single-factor experiments and response surface methodology were used to optimize the extraction of Cynomorium songaricum Rupr glycoprotein (CSG). The results show that a maximum glycoprotein yield of 6.39 ± 0.32% was achieved at a ratio of solid to liquid 32:1 for 4.2 H at 52 °C. Then, the IR, monosaccharide composition, amino acid composition, type of glycopeptide linkage, and average molecular weight of CSG-1 purified from CSG were characterized. The results indicate that CSG-1 presented the characteristic absorption peak of polysaccharide and protein, including four monosaccharides and 17 amino acids, had O-linked glycopeptide bonds, Mw , Wn , Mw /Mn , Mp , and the z-average were 5.343 × 106 , 3.203 × 106 , 1.668, 8.911 × 106 , and 6.948 × 106 , respectively. Besides, CSG-1 solution was described by the Herschel-Bulkley model and it behaved as a shear-thinning fluid. Also, under a frequency sweep the moduli G' and G″ both increased with increasing CSG-1 concentration and the CSG-1 dispersions had weak thermal stability over the temperature sweep. These results provide a scientific basis for the further study of Cynomorium songaricum Rupr.
Collapse
Affiliation(s)
- Jipeng Shi
- College of Life Science, Northwest Normal University, Lanzhou, People's Republic of China.,Bioactive Products Engineering Research Center for Gansu Distinctive Plants, Lanzhou, People's Republic of China
| | - Yunfei Xu
- College of Life Science, Northwest Normal University, Lanzhou, People's Republic of China.,Bioactive Products Engineering Research Center for Gansu Distinctive Plants, Lanzhou, People's Republic of China
| | - Jie Guo
- College of Life Science, Northwest Normal University, Lanzhou, People's Republic of China.,Bioactive Products Engineering Research Center for Gansu Distinctive Plants, Lanzhou, People's Republic of China
| | - Xingxing Mu
- College of Life Science, Northwest Normal University, Lanzhou, People's Republic of China.,Bioactive Products Engineering Research Center for Gansu Distinctive Plants, Lanzhou, People's Republic of China
| | - Chengbo Wang
- College of Life Science, Northwest Normal University, Lanzhou, People's Republic of China.,Bioactive Products Engineering Research Center for Gansu Distinctive Plants, Lanzhou, People's Republic of China
| | - Xin Chen
- College of Life Science, Northwest Normal University, Lanzhou, People's Republic of China.,Bioactive Products Engineering Research Center for Gansu Distinctive Plants, Lanzhou, People's Republic of China
| | - Ji Zhang
- College of Life Science, Northwest Normal University, Lanzhou, People's Republic of China.,Bioactive Products Engineering Research Center for Gansu Distinctive Plants, Lanzhou, People's Republic of China
| |
Collapse
|
10
|
Tueller DJ, Harley JS, Hancock CR. Effects of curcumin and ursolic acid on the mitochondrial coupling efficiency and hydrogen peroxide emission of intact skeletal myoblasts. Biochem Biophys Res Commun 2017; 492:368-372. [PMID: 28847726 DOI: 10.1016/j.bbrc.2017.08.101] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2017] [Accepted: 08/25/2017] [Indexed: 11/17/2022]
Abstract
Curcumin may improve blood glucose management, but the mechanism is not fully established. We demonstrated that curcumin (40 μM) reduced the mitochondrial coupling efficiency (percentage of oxygen consumption coupled to ATP synthesis) of intact skeletal muscle cells. A 30-minute pretreatment with curcumin reduced mitochondrial coupling efficiency by 17.0 ± 0.4% relative to vehicle (p < 0.008). Curcumin pretreatment also decreased the rate of hydrogen peroxide emission by 43 ± 13% compared to vehicle (p < 0.05). Analysis of cell respiration in the presence of curcumin revealed a 40 ± 4% increase in the rate of oxygen consumption upon curcumin administration (p < 0.05 compared to vehicle). No difference in mitochondrial coupling efficiency was observed between vehicle- and curcumin-pretreated cells after permeabilization of cell membranes (p > 0.7). The interaction between curcumin and ursolic acid, another natural compound that may improve blood glucose management, was also examined. Pretreatment with ursolic acid (0.12 μM) increased the mitochondrial coupling efficiency of intact cells by 4.1 ± 1.1% relative to vehicle (p < 0.008) and attenuated the effect of curcumin when the two compounds were used in combination. The observed changes to mitochondrial coupling efficiency and hydrogen peroxide emission were consistent with the established effects of curcumin on blood glucose control. Our findings also show that changes to mitochondrial coupling efficiency after curcumin pretreatment may go undetected unless cells are assessed in the intact condition.
Collapse
Affiliation(s)
- Daniel J Tueller
- Department of Nutrition, Dietetics, and Food Science, Brigham Young University, Provo, UT 84602, USA
| | - Jackson S Harley
- Department of Nutrition, Dietetics, and Food Science, Brigham Young University, Provo, UT 84602, USA
| | - Chad R Hancock
- Department of Nutrition, Dietetics, and Food Science, Brigham Young University, Provo, UT 84602, USA.
| |
Collapse
|
11
|
Chen J, Wong HS, Leong PK, Leung HY, Chan WM, Ko KM. Ursolic acid induces mitochondrial biogenesis through the activation of AMPK and PGC-1 in C2C12 myotubes: a possible mechanism underlying its beneficial effect on exercise endurance. Food Funct 2017; 8:2425-2436. [PMID: 28675237 DOI: 10.1039/c7fo00127d] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Mitochondrial biogenesis, which involves an increase in mitochondrial number and the overall capacity of oxidative phosphorylation, is a critical determinant of skeletal muscle function. Recent findings have shown that some natural products can enhance mitochondrial adaptation to aerobic exercise, which in turn improves exercise performance, presumably by delaying muscle fatigue. Ursolic acid (UA), a natural triterpene, is commonly found in various vegetables and fruits. In the current study, UA was shown to increase mitochondrial mass and ATP generation capacity, with a concomitant production of a low level of mitochondrial reactive oxygen species (ROS) in C2C12 myotubes. Mitochondrial ROS, in turn, activated the redox sensitive adenosine monophosphate-dependent protein kinase (AMPK)/peroxisome proliferator-activated receptor γ coactivator-1(PGC-1) pathway. The activation of AMPK/PGC-1 further increased the expression of cytochrome c oxidase (COX) and uncoupling protein 3. Animal studies showed that UA can also dose-dependently increase the endurance exercise capacity in mice, as assessed by a weight-loaded swimming test and a hanging wire test. Our findings suggest that UA may induce mitochondrial biogenesis through the activation of AMPK and PGC-1 pathways in skeletal muscle, thereby offering a promising prospect for its use to enhance exercise endurance and alleviating fatigue in humans.
Collapse
Affiliation(s)
- Jihang Chen
- Division of Life Science, Hong Kong University of Science and Technology, Clear Water Bay, Hong Kong SAR, China.
| | | | | | | | | | | |
Collapse
|
12
|
Bardoxolone Methyl Prevents Mesenteric Fat Deposition and Inflammation in High-Fat Diet Mice. ScientificWorldJournal 2015; 2015:549352. [PMID: 26618193 PMCID: PMC4651788 DOI: 10.1155/2015/549352] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2015] [Accepted: 10/18/2015] [Indexed: 12/15/2022] Open
Abstract
Mesenteric fat belongs to visceral fat. An increased deposition of mesenteric fat contributes to obesity associated complications such as type 2 diabetes and cardiovascular diseases. We have investigated the therapeutic effects of bardoxolone methyl (BARD) on mesenteric adipose tissue of mice fed a high-fat diet (HFD). Male C57BL/6J mice were administered oral BARD during HFD feeding (HFD/BARD), only fed a high-fat diet (HFD), or fed low-fat diet (LFD) for 21 weeks. Histology and immunohistochemistry were used to analyse mesenteric morphology and macrophages, while Western blot was used to assess the expression of inflammatory, oxidative stress, and energy expenditure proteins. Supplementation of drinking water with BARD prevented mesenteric fat deposition, as determined by a reduction in large adipocytes. BARD prevented inflammation as there were fewer inflammatory macrophages and reduced proinflammatory cytokines (interleukin-1 beta and tumour necrosis factor alpha). BARD reduced the activation of extracellular signal-regulated kinase (ERK) and Akt, suggesting an antioxidative stress effect. BARD upregulates energy expenditure proteins, judged by the increased activity of tyrosine hydroxylase (TH) and AMP-activated protein kinase (AMPK) and increased peroxisome proliferator-activated receptor gamma coactivator 1-alpha (PGC-1α), and uncoupling protein 2 (UCP2) proteins. Overall, BARD induces preventive effect in HFD mice through regulation of mesenteric adipose tissue.
Collapse
|
13
|
Dinh CHL, Szabo A, Yu Y, Camer D, Zhang Q, Wang H, Huang XF. Bardoxolone Methyl Prevents Fat Deposition and Inflammation in Brown Adipose Tissue and Enhances Sympathetic Activity in Mice Fed a High-Fat Diet. Nutrients 2015; 7:4705-23. [PMID: 26066016 PMCID: PMC4488809 DOI: 10.3390/nu7064705] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2015] [Revised: 05/22/2015] [Accepted: 06/02/2015] [Indexed: 12/14/2022] Open
Abstract
Obesity results in changes in brown adipose tissue (BAT) morphology, leading to fat deposition, inflammation, and alterations in sympathetic nerve activity. Bardoxolone methyl (BARD) has been extensively studied for the treatment of chronic diseases. We present for the first time the effects of oral BARD treatment on BAT morphology and associated changes in the brainstem. Three groups (n = 7) of C57BL/6J mice were fed either a high-fat diet (HFD), a high-fat diet supplemented with BARD (HFD/BARD), or a low-fat diet (LFD) for 21 weeks. BARD was administered daily in drinking water. Interscapular BAT, and ventrolateral medulla (VLM) and dorsal vagal complex (DVC) in the brainstem, were collected for analysis by histology, immunohistochemistry and Western blot. BARD prevented fat deposition in BAT, demonstrated by the decreased accumulation of lipid droplets. When administered BARD, HFD mice had lower numbers of F4/80 and CD11c macrophages in the BAT with an increased proportion of CD206 macrophages, suggesting an anti-inflammatory effect. BARD increased phosphorylation of tyrosine hydroxylase in BAT and VLM. In the VLM, BARD increased energy expenditure proteins, including beta 3-adrenergic receptor (β3-AR) and peroxisome proliferator-activated receptor gamma coactivator 1-alpha (PGC-1α). Overall, oral BARD prevented fat deposition and inflammation in BAT, and stimulated sympathetic nerve activity.
Collapse
Affiliation(s)
- Chi H L Dinh
- Centre for Translational Neuroscience, School of Medicine, University of Wollongong and Illawarra Health and Medical Research Institute, Wollongong, NSW 2522, Australia.
| | - Alexander Szabo
- Centre for Translational Neuroscience, School of Medicine, University of Wollongong and Illawarra Health and Medical Research Institute, Wollongong, NSW 2522, Australia.
- ANSTO LifeSciences, Australian Nuclear Science and Technology Organisation, Lucas Heights, NSW 2234, Australia.
| | - Yinghua Yu
- Centre for Translational Neuroscience, School of Medicine, University of Wollongong and Illawarra Health and Medical Research Institute, Wollongong, NSW 2522, Australia.
| | - Danielle Camer
- Centre for Translational Neuroscience, School of Medicine, University of Wollongong and Illawarra Health and Medical Research Institute, Wollongong, NSW 2522, Australia.
| | - Qingsheng Zhang
- Centre for Translational Neuroscience, School of Medicine, University of Wollongong and Illawarra Health and Medical Research Institute, Wollongong, NSW 2522, Australia.
| | - Hongqin Wang
- Centre for Translational Neuroscience, School of Medicine, University of Wollongong and Illawarra Health and Medical Research Institute, Wollongong, NSW 2522, Australia.
| | - Xu-Feng Huang
- Centre for Translational Neuroscience, School of Medicine, University of Wollongong and Illawarra Health and Medical Research Institute, Wollongong, NSW 2522, Australia.
| |
Collapse
|