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Chen L, Guo L, Feng S, Wang C, Cui Z, Wang S, Lu Q, Chang H, Hang B, Snijders AM, Mao JH, Lu Y, Ding D. Fecal microbiota transplantation ameliorates type 2 diabetes via metabolic remodeling of the gut microbiota in db/db mice. BMJ Open Diabetes Res Care 2023; 11:e003282. [PMID: 37253485 PMCID: PMC10230930 DOI: 10.1136/bmjdrc-2022-003282] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/17/2022] [Accepted: 04/30/2023] [Indexed: 06/01/2023] Open
Abstract
INTRODUCTION Gut microbiome (GM) deregulation has been implicated in major conditions such as obesity and type 2 diabetes (T2DM). Our previous prospective study indicated that fecal microbiota transplantation (FMT) successfully improved patients with T2DM. We hypothesized that FMT may be a potential therapeutic method for T2DM, but its precise mechanisms in T2DM remains to be elucidated. RESEARCH DESIGN AND METHODS Eight db/m mice were FMT donors and control mice, and 16 genetically diabetic db/db mice were equally divided into two groups (db/db+phosphate-buffered saline (PBS) group, db/db+FMT group). The db/db+FMT group was administered fresh fecal suspension (0.2 mL/mice) daily for 4 weeks. Analysis of the GM and serum metabolome was carried out by 16S ribosomal RNA sequencing and liquid chromatogram-mass spectrometry, respectively. Effects of FMT on the gut barrier and pancreas were assessed using protein assays, messenger RNA, immunohistology and clinical indicators testing. RESULTS Our results showed that FMT treatment of db/db mice relieves a series of clinical indicators, including fasting plasma glucose, serum insulin and oral glucose tolerance test among others. Compared with non-diabetic control mice, db/db+PBS mice exhibited decreased abundance of Ruminococaceae, Porphyromonadaceae and increased abundance of Rikenellaceae and Lactobacillaceae. FMT treatment reversed this effect on the microbiome. Eleven metabolites were changed between the db/db+PBS and db/db+FMT groups. Correlation analysis showed that the structural changes of the GM were correlated with host metabolite levels. We further showed that FMT treatment of db/db mice improved intestinal barrier function, reduced inflammation and caused an alteration in the number of circulating immune cells. CONCLUSIONS FMT-mediated changes in the GM, serum metabolites, intestinal epithelial barrier, inflammation and circulating immune cells play an important role in the efficacy of FMT on T2DM disease progression.
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Affiliation(s)
- Lijuan Chen
- Department of Endocrinology, The Second Affiliated Hospital of Nanjing Medical University, Nanjing Medical University Second Affiliated Hospital, Nanjing, Jiangsu, China
| | - Lin Guo
- Department of Endocrinology, The Second Affiliated Hospital of Nanjing Medical University, Nanjing Medical University Second Affiliated Hospital, Nanjing, Jiangsu, China
| | - Susu Feng
- Department of Endocrinology, The Second Affiliated Hospital of Nanjing Medical University, Nanjing Medical University Second Affiliated Hospital, Nanjing, Jiangsu, China
| | - Congcong Wang
- Department of Endocrinology, The Second Affiliated Hospital of Nanjing Medical University, Nanjing Medical University Second Affiliated Hospital, Nanjing, Jiangsu, China
| | - Zhicheng Cui
- Department of Endocrinology, The Second Affiliated Hospital of Nanjing Medical University, Nanjing Medical University Second Affiliated Hospital, Nanjing, Jiangsu, China
| | - Sijing Wang
- Department of Endocrinology, The Second Affiliated Hospital of Nanjing Medical University, Nanjing Medical University Second Affiliated Hospital, Nanjing, Jiangsu, China
| | - Qingmiao Lu
- Department of Endocrinology, The Second Affiliated Hospital of Nanjing Medical University, Nanjing Medical University Second Affiliated Hospital, Nanjing, Jiangsu, China
| | - Hang Chang
- Biological Systems and Engineering Division, Lawrence Berkeley National Laboratory, Berkeley, California, USA
| | - Bo Hang
- Biological Systems and Engineering Division, Lawrence Berkeley National Laboratory, Berkeley, California, USA
- Department of Biomaterials, Berkeley-Nanjing Research Center, Nanjing, Jiangsu, China
| | - Antoine M Snijders
- Biological Systems and Engineering Division, Lawrence Berkeley National Laboratory, Berkeley, California, USA
| | - Jian-Hua Mao
- Biological Systems and Engineering Division, Lawrence Berkeley National Laboratory, Berkeley, California, USA
| | - Yibing Lu
- Department of Endocrinology, The Second Affiliated Hospital of Nanjing Medical University, Nanjing Medical University Second Affiliated Hospital, Nanjing, Jiangsu, China
| | - Dafa Ding
- Department of Endocrinology, The Second Affiliated Hospital of Nanjing Medical University, Nanjing Medical University Second Affiliated Hospital, Nanjing, Jiangsu, China
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Singh D, Sharma S, Choudhary M, Kaur P, Budhwar V. Role of Plant Derived Products Through Exhilarating Peroxisome Proliferator Activated Receptor-γ (ppar-γ) in the Amelioration of Obesity Induced Insulin Resistance. CURRENT NUTRITION & FOOD SCIENCE 2022. [DOI: 10.2174/1573401318666220217111415] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Abstract:
Insulin resistance is an elemental facet of the etiology of diabetes mellitus and the principal relating factor between obesity and diabetes. Oxidative stress, lipotoxicity, inflammation and receptor dysfunction are the underlying determinants of insulin resistance commencement in metabolic illnesses. ppar-γ is a nuclear transcription factor whose activation or inhibition directly influences insulin resistance and controls glucose and lipid homeostasis by modulating gene expression. Synthetic ligands of ppar-γ are therapeutically employed to counter the hyper-glycaemia associated with obesity and type 2 diabetes, but they possess severe side effects. In the modern era, bioactive phytochemicals have been employed in the drug development process and a considerable investigation has recently been initiated to analyze the ppar-γ activating ability of diverse phytochemicals. In this review, we outlined the role of phytochemicals in insulin resistance treatment through ppar-γ activation.
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Affiliation(s)
- Devender Singh
- Institute of Pharmaceutical Sciences, Kurukshetra University-136118, Haryana, India
| | - Sachin Sharma
- Institute of Pharmaceutical Sciences, Kurukshetra University-136118, Haryana, India
| | - Manjusha Choudhary
- Institute of Pharmaceutical Sciences, Kurukshetra University-136118, Haryana, India
| | - Prabhjeet Kaur
- Institute of Pharmaceutical Sciences, Kurukshetra University-136118, Haryana, India
| | - Vikas Budhwar
- Department of Pharmaceutical Scinces, Maharishi Dyanand University, Rohtak-124001, Haryana, India
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Yuan XW, Shen LL, Huang WH, Zhao HJ. Dehydroabietic acid chemosensitizes drug-resistant acute lymphoblastic leukemia cells by downregulating survivin expression. Asian Pac J Trop Biomed 2022. [DOI: 10.4103/2221-1691.354429] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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Park J, Kim WJ, Kim W, Park C, Choi CY, Cho JH, Kim SJ, Cheong H. Antihypertensive Effects of Dehydroabietic and 4- Epi- Trans-Communic Acid Isolated from Pinus densiflora. J Med Food 2021; 24:50-58. [PMID: 33449861 DOI: 10.1089/jmf.2020.4797] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023] Open
Abstract
Korean red pine needle (RPN) exhibits various biological and pharmacological activities. Among the various compounds of RPN, we isolated dehydroabietic and 4-epi-trans-communic acid. At first, we confirmed that two compounds inhibited angiotensin converting enzyme (ACE) and induced p-Akt in human umbilical vein endothelial cells (HUVEC). RPN extract powder significantly reduced systolic blood pressure in spontaneous hypertensive rats (SHRs) through the reduced expression of ACE and angiotensin type I receptors in the lungs of SHRs. The Lineweaver-Burk plots suggested that the two compounds were noncompetitive inhibitors of ACE. Using docking analysis, we found that two compounds showed the best returned pose at ACE active sites, and formed hydrogen and hydrophobic bonds with ACE residues. These results demonstrate that RPNs may be a source of compounds effective for preventing hypertension and may be useful in the development of antihypertensive drugs.
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Affiliation(s)
- Jaeyoung Park
- Department of Biomedical Science, Chosun University, Gwangju, Korea
| | - Won-Jin Kim
- Department of Biomedical Science, Chosun University, Gwangju, Korea
- Department of Integrative Biological Sciences & BK21 FOUR Educational Research Group for Age-Associated Disorder Control Technology, Chosun University, Gwangju, Korea
| | - Woong Kim
- Department of Biomedical Science, Chosun University, Gwangju, Korea
| | | | - Chul Yung Choi
- Division of Food Science, Jeollanamdo Institute of Natural Resources Research, Jangheung-gun, Korea
| | | | - Seok-Jun Kim
- Department of Biomedical Science, Chosun University, Gwangju, Korea
- Department of Integrative Biological Sciences & BK21 FOUR Educational Research Group for Age-Associated Disorder Control Technology, Chosun University, Gwangju, Korea
| | - Hyeonsook Cheong
- Department of Biomedical Science, Chosun University, Gwangju, Korea
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Dehydroabietic acid alleviates high fat diet-induced insulin resistance and hepatic steatosis through dual activation of PPAR-γ and PPAR-α. Biomed Pharmacother 2020; 127:110155. [PMID: 32413669 DOI: 10.1016/j.biopha.2020.110155] [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: 03/05/2020] [Revised: 04/01/2020] [Accepted: 04/08/2020] [Indexed: 12/20/2022] Open
Abstract
Dual-PPAR-α/γ agonist has the dual potentials to improve insulin resistance (IR) and hepatic steatosis associated with obesity. This study aimed to investigate whether dehydroabietic acid (DA), a naturally occurred compound, can bind to and activate both PPAR-γ and PPAR-α to ameliorate IR and hepatic steatosis in high-fat diet (HFD)-fed mice.. We found that DA formed stable hydrogen bonds with the ligand-binding domains of PPAR-γ and PPAR-α. DA treatment also promoted 3T3-L1 differentiation via PPAR-γ activation, and mitochondrial oxygen consumption in HL7702 cells via PPAR-α activation. In HFD-fed mice, DA treatment alleviated glucose intolerance and IR, and reduced hepatic steatosis, liver injury markers (ALT, AST), and lipid accumulation, and promoted mRNA expression of PPAR-γ and PPAR-α signaling elements involved in IR and lipid metabolism in vivo and in vitro, and inhibited mRNA expression of pro-inflammatory factors. Therefore, DA is a dual-PPAR-α/γ and PPAR-γ partial agonist, which can attenuate IR and hepatic steatosis induced by HFD-consumption in mice.
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Dehydroabietic Acid Suppresses Inflammatory Response Via Suppression of Src-, Syk-, and TAK1-Mediated Pathways. Int J Mol Sci 2019; 20:ijms20071593. [PMID: 30934981 PMCID: PMC6480320 DOI: 10.3390/ijms20071593] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2019] [Revised: 03/27/2019] [Accepted: 03/27/2019] [Indexed: 12/20/2022] Open
Abstract
Dehydroabietic acid (DAA) is a naturally occurring diterpene resin acid derived from coniferous plants such as Pinus and Picea. Various bioactive effects of DAA have been studied including antibacterial, antifungal, and anticancer activities. However, the anti-inflammatory mechanism of DAA remains unclear. We evaluated the anti-inflammatory effect of DAA in macrophage cell lines. Dehydroabietic acid clearly reduced nitric oxide (NO) production and inflammatory gene expression decreased according to RT-PCR results. Dehydroabietic acid displayed anti-inflammatory activity at the transcriptional level in results from NF-κB- or AP-1-mediated luciferase assays. To identify the DAA target protein, we investigated NF-κB and AP-1 pathways by Western blotting analysis. Dehydroabietic acid suppressed the activity of proto-oncogene tyrosine protein kinase (Src) and spleen tyrosine kinase (Syk) in the NF-κB cascade and transforming growth factor beta-activated kinase 1 (TAK1) in the AP-1 cascade. Using overexpression strategies, we confirmed that DAA targeted these kinases. Our findings demonstrate the anti-inflammatory effects and molecular mechanism of DAA. This suggests that DAA has potential as a drug or supplement to ameliorate inflammation.
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Yoshioka H, Mizuno Y, Yamaguchi T, Ichimaru Y, Takeya K, Hitotsuyanagi Y, Nonogaki T, Aoyagi Y. Methyl dehydroabietate counters high fat diet-induced insulin resistance and hepatic steatosis by modulating peroxisome proliferator-activated receptor signaling in mice. Biomed Pharmacother 2018; 99:214-219. [PMID: 29334664 DOI: 10.1016/j.biopha.2018.01.064] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2017] [Revised: 12/20/2017] [Accepted: 01/11/2018] [Indexed: 11/27/2022] Open
Abstract
The aim of this study was to investigate the therapeutic effects of methyl dehydroabietate (mDA) on adipocyte differentiation in 3T3-L1 preadipocytes and obesity characteristics induced by high-fat diet (HFD) in mice. Adipocyte differentiation in 3T3-L1 cells was evaluated after 14 days of incubation with mDA. mDA enhanced adipocyte differentiation in 3T3-L1 cells. For the in vivo evaluation, five-week-old male C57BL/6J mice were fed HFD or normal CE-2 diet (control) for eight weeks. During the experimental period, mice were administered mDA (50 mg/kg, p.o.) as an olive oil emulsion (containing 10% ethanol), and body weights were measured weekly. At the end of the experiment, the mice were euthanized after 16 h fasting period, and plasma samples were collected. The liver, kidney, and epididymal adipose tissues were collected and weighed. It significantly decreased body weight, adipose tissue weight, and plasma levels of glucose, insulin, leptin, and pro-inflammatory cytokines compared with that in the HFD group, and markedly reduced the impairment in glucose tolerance in obese mice. Furthermore, mDA reduced HFD-induced adipocyte hypertrophy and the formation of hepatic lipid droplets. Moreover, it induced the expression of proliferator-activated receptor alpha (PPARα) in the liver and PPARγ in the adipose tissues. Our findings demonstrate that mDA reduces obesity-induced glucose and insulin tolerance by inducing PPAR expression.
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Affiliation(s)
- Hiroki Yoshioka
- College of Pharmacy, Kinjo Gakuin University, 2-1723 Omori, Moriyamaku, Nagoya, Aichi 463-8521, Japan.
| | - Yuki Mizuno
- College of Pharmacy, Kinjo Gakuin University, 2-1723 Omori, Moriyamaku, Nagoya, Aichi 463-8521, Japan
| | - Tomohiro Yamaguchi
- College of Pharmacy, Kinjo Gakuin University, 2-1723 Omori, Moriyamaku, Nagoya, Aichi 463-8521, Japan
| | - Yoshimi Ichimaru
- College of Pharmacy, Kinjo Gakuin University, 2-1723 Omori, Moriyamaku, Nagoya, Aichi 463-8521, Japan
| | - Koichi Takeya
- School of Pharmacy, Tokyo University of Pharmacy & Life Sciences, 1432-1 Horinouchi, Hachioji, Tokyo 192-0392, Japan
| | - Yukio Hitotsuyanagi
- School of Pharmacy, Tokyo University of Pharmacy & Life Sciences, 1432-1 Horinouchi, Hachioji, Tokyo 192-0392, Japan
| | - Tsunemasa Nonogaki
- College of Pharmacy, Kinjo Gakuin University, 2-1723 Omori, Moriyamaku, Nagoya, Aichi 463-8521, Japan
| | - Yutaka Aoyagi
- College of Pharmacy, Kinjo Gakuin University, 2-1723 Omori, Moriyamaku, Nagoya, Aichi 463-8521, Japan
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Yu Y, Du H, Wei S, Feng L, Li J, Yao F, Zhang M, Hatch GM, Chen L. Adipocyte-Derived Exosomal MiR-27a Induces Insulin Resistance in Skeletal Muscle Through Repression of PPARγ. Am J Cancer Res 2018; 8:2171-2188. [PMID: 29721071 PMCID: PMC5928879 DOI: 10.7150/thno.22565] [Citation(s) in RCA: 184] [Impact Index Per Article: 30.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2017] [Accepted: 01/31/2018] [Indexed: 12/12/2022] Open
Abstract
The mechanism by which adipocyte-derived endocrine factors promote insulin resistance in skeletal muscle are not fully understood. MiR-27a is highly expressed in sera of obese individuals with prediabetes and T2DM, and mainly derived by adipose tissues. Thus, miR-27a secreted into circulation by adipose tissue may regulate insulin resistance in skeletal muscle. Methods: The association between miR-27a and insulin resistance in skeletal muscle was determined in obese children, high-fat diet-induced miR-27a knockdown obese mice, db/db mice and C2C12 cells overexpressing miR-27a. The crosstalk mediated by exosomal miR-27a between adipose tissue and skeletal muscle was determined in C2C12 cells incubated with conditioned medium prepared from palmitate-treated 3T3-L1 adipocytes. Results: We showed that serum miR-27a level correlated positively with obesity and insulin resistance in obese children, and that elevated serum miR-27a levels correlated with insulin resistance in leptin receptor-deficient db/db mice, and with obesity and insulin resistance in high-fat diet-fed C57BL/6J mice. MiR-27a released from adipocytes of high-fat diet-fed C57BL/6J mice was associated with triglyceride accumulation. MiR-27a derived from these adipocytes induced insulin resistance in C2C12 skeletal muscle cells through miR-27a-mediated repression of PPARγ and its downstream genes involved in the development of obesity. Conclusions: These results identify a novel crosstalk signaling pathway between adipose tissue and skeletal muscle in the development of insulin resistance, and indicate that adipose tissue-derived miR-27a may play a key role in the development of obesity-triggered insulin resistance in skeletal muscle.
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9
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Tsujino Y. A New Agonist for Peroxisome Proliferation-activated Receptor γ (PPARγ), Fraglide-1 from Zhenjiang Fragrant Vinegar: Screening and Characterization Based on Cell Culture Experiments. J Oleo Sci 2017; 66:615-622. [DOI: 10.5650/jos.ess16253] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- Yoshio Tsujino
- School of Materials Science, Japan Advanced Institute of Science and Technology
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10
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Li Y, Goto T, Yamakuni K, Takahashi H, Takahashi N, Jheng HF, Nomura W, Taniguchi M, Baba K, Murakami S, Kawada T. 4-Hydroxyderricin, as a PPARγ Agonist, Promotes Adipogenesis, Adiponectin Secretion, and Glucose Uptake in 3T3-L1 Cells. Lipids 2016; 51:787-95. [DOI: 10.1007/s11745-016-4154-9] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2015] [Accepted: 04/05/2016] [Indexed: 10/21/2022]
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Kim J, Kang YG, Lee JY, Choi DH, Cho YU, Shin JM, Park JS, Lee JH, Kim WG, Seo DB, Lee TR, Miyamoto Y, No KT. The natural phytochemical dehydroabietic acid is an anti-aging reagent that mediates the direct activation of SIRT1. Mol Cell Endocrinol 2015; 412:216-25. [PMID: 25976661 DOI: 10.1016/j.mce.2015.05.006] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/21/2015] [Revised: 04/13/2015] [Accepted: 05/06/2015] [Indexed: 01/10/2023]
Abstract
Dehydroabietic acid (DAA) is a naturally occurring diterpene resin acid of confers, such as pinus species (P. densiflora, P. sylvestris) and grand fir (Abies grandis), and it induces various biological actions including antimicrobial, antiulcer, and cardiovascular activities. The cellular targets that mediate these actions are largely unknown yet. In this report, we suggest that DAA is an anti-aging reagent. DAA has lifespan extension effects in Caenorhabditis elegans, prevents lipofuscin accumulation, and prevents collagen secretion in human dermal fibroblasts. We found that these anti-aging effects are primarily mediated by SIRT1 activation. Lifespan extension effects by DAA were ameliorated in sir-2.1 mutants and SIRT1 protein expression was increased, resulting in the deacetylation of SIRT1 target protein PGC-1α. Moreover, DAA binds directly to the SIRT1 protein independent of the SIRT1 substrate NAD(+) levels. Through a molecular docking study, we also propose a binding model for DAA-SIRT1. Taken together, our results demonstrate that the anti-aging effects are the first identified biological property of DAA and that the direct activation of SIRT1 enzymatic activity suggests the potential use of this natural diterpene, or related compounds, in age-related diseases or as a preventive reagent against the aging process.
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Affiliation(s)
- Juewon Kim
- Beauty Food Research Institute, R&D Center, AmorePacific Corporation, Yongin-si, Gyeonggi-do 446-729, Republic of Korea; Department of Integrated Biosciences, University of Tokyo, Chiba 277-8562, Japan.
| | - Young-Gyu Kang
- Skin Research Institute, R&D Center, AmorePacific Corporation, Yongin-si, Gyeonggi-do 446-729, Republic of Korea
| | - Jee-young Lee
- Bioinformatics & Molecular Design Research Center, Yonsei Engineering Research Park, Yonsei University, Seodaemun-gu, Seoul 120-749, Republic of Korea
| | - Dong-hwa Choi
- Gyeonggi Bio Center, Gyeonggi Institute of Science & Technology Promotion, Suwon-si, Gyeonggi-do 443-270, Republic of Korea
| | - Young-uk Cho
- Skin care Research Institute, R&D Center, AmorePacific Corporation, Yongin-si, Gyeonggi-do 446-729, Republic of Korea
| | - Jae-Min Shin
- Bioinformatics & Molecular Design Research Center, Yonsei Engineering Research Park, Yonsei University, Seodaemun-gu, Seoul 120-749, Republic of Korea
| | - Jun Seong Park
- Skin Research Institute, R&D Center, AmorePacific Corporation, Yongin-si, Gyeonggi-do 446-729, Republic of Korea
| | - John Hwan Lee
- Skin Research Institute, R&D Center, AmorePacific Corporation, Yongin-si, Gyeonggi-do 446-729, Republic of Korea
| | - Wan Gi Kim
- Beauty Food Research Institute, R&D Center, AmorePacific Corporation, Yongin-si, Gyeonggi-do 446-729, Republic of Korea
| | - Dae Bang Seo
- Beauty Food Research Institute, R&D Center, AmorePacific Corporation, Yongin-si, Gyeonggi-do 446-729, Republic of Korea
| | - Tae Ryong Lee
- Bioscience Research Institute, R&D Center, AmorePacific Corporation, Yongin-si, Gyeonggi-do 446-729, Republic of Korea
| | - Yusei Miyamoto
- Department of Integrated Biosciences, University of Tokyo, Chiba 277-8562, Japan.
| | - Kyoung Tai No
- Bioinformatics & Molecular Design Research Center, Yonsei Engineering Research Park, Yonsei University, Seodaemun-gu, Seoul 120-749, Republic of Korea; Department of Biotechnology, College of Life Science & Biotechnology, Yonsei University, Seodaemun-gu, Seoul 120-749, Republic of Korea.
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Nachar A, Saleem A, Arnason JT, Haddad PS. Regulation of liver cell glucose homeostasis by dehydroabietic acid, abietic acid and squalene isolated from balsam fir (Abies balsamea (L.) Mill.) a plant of the Eastern James Bay Cree traditional pharmacopeia. PHYTOCHEMISTRY 2015; 117:373-379. [PMID: 26164238 DOI: 10.1016/j.phytochem.2015.07.001] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/12/2015] [Revised: 06/29/2015] [Accepted: 07/01/2015] [Indexed: 06/04/2023]
Abstract
In our previous study, Abies balsamea (L.) Mill., a plant used in Cree traditional medicine, had a strong effect on the regulation of glucose homeostasis in liver cells. This study aimed to isolate and identify its active constituents using a bioassay-guided fractionation approach as well as to elucidate their mechanism(s) of action. The effect of the crude extract and its constituents was evaluated on the activity of Glucose-6-Phosphatase (G6Pase) and Glycogen Synthase (GS) and phosphorylation of three kinases, AMP-activated protein kinase (AMPK), Akt and Glycogen Synthase Kinase-3 (GSK-3). Three compounds, abietic acid, dehydroabietic acid and squalene, were isolated from the most active fraction in the bioassays (hexane). The compounds were able to decrease the activity of G6Pase and to stimulate GS. Their effect on G6Pase activity involved both Akt and AMPK phosphorylation with significant correlations between insulin-dependent and -independent pathways and the bioassay. In addition, the compounds were able to stimulate GS through GSK-3 phosphorylation with a significant correlation between the signaling pathway and the bioassay. Dehydroabietic acid stood out for its strongest effect in all the experiments close to that of the crude extract. These compounds may have potential applications in the treatment of type 2 diabetes and insulin resistance.
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Affiliation(s)
- Abir Nachar
- Natural Health Products and Metabolic Diseases Laboratory, Dept. of Pharmacology, Université de Montréal, Montreal, QC, Canada; Canadian Institutes of Health Research Team in Aboriginal Antidiabetic Medicines and Montreal Diabetes Research Center, Canada
| | - Ammar Saleem
- Canadian Institutes of Health Research Team in Aboriginal Antidiabetic Medicines and Montreal Diabetes Research Center, Canada; Laboratory for the Analysis of Natural and Synthetic Environmental Toxins, University of Ottawa, Ottawa, ON, Canada
| | - John T Arnason
- Canadian Institutes of Health Research Team in Aboriginal Antidiabetic Medicines and Montreal Diabetes Research Center, Canada; Laboratory for the Analysis of Natural and Synthetic Environmental Toxins, University of Ottawa, Ottawa, ON, Canada
| | - Pierre S Haddad
- Natural Health Products and Metabolic Diseases Laboratory, Dept. of Pharmacology, Université de Montréal, Montreal, QC, Canada; Canadian Institutes of Health Research Team in Aboriginal Antidiabetic Medicines and Montreal Diabetes Research Center, Canada.
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González MA. Aromatic abietane diterpenoids: their biological activity and synthesis. Nat Prod Rep 2015; 32:684-704. [DOI: 10.1039/c4np00110a] [Citation(s) in RCA: 153] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
In this study, the biological properties of abietane-type diterpenoids with an aromatic C ring are reviewed. The review contains about 160 references.
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Takahashi H, Hara H, Goto T, Kamakari K, Wataru N, Mohri S, Takahashi N, Suzuki H, Shibata D, Kawada T. 13-Oxo-9(Z),11(E),15(Z)-octadecatrienoic acid activates peroxisome proliferator-activated receptor γ in adipocytes. Lipids 2014; 50:3-12. [PMID: 25425149 DOI: 10.1007/s11745-014-3972-x] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2014] [Accepted: 11/10/2014] [Indexed: 12/16/2022]
Abstract
Peroxisome proliferator-activated receptor (PPAR)γ is expressed in adipose tissue and plays a key role in the regulation of adipogenesis. PPARγ activators are known to have potent antihyperglycemic activity and are used to treat insulin resistance associated with diabetes. Therefore, many natural and synthetic agonists of PPARγ are used in the treatment of glucose disorders. In the present study, we found that 13-oxo-9(Z),11(E),15(Z)-octadecatrienoic acid (13-oxo-OTA), a linolenic acid derivative, is present in the extract of tomato (Solanum lycopersicum), Mandarin orange (Citrus reticulata), and bitter gourd (Momordica charantia). We also found that 13-oxo-OTA activated PPARγ and induced the mRNA expression of PPARγ target genes in adipocytes, thereby promoting differentiation. Furthermore, 13-oxo-OTA induced secretion of adiponectin and stimulated glucose uptake in adipocytes. To our knowledge, this is the first study to report that 13-oxo-OTA induces adipogenesis through PPARγ activation and to present 13-oxo-OTA as a valuable food-derived compound that may be applied in the management of glucose metabolism disorders.
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Affiliation(s)
- Haruya Takahashi
- Laboratory of Molecular Functions of Food, Division of Food Science and Biotechnology, Graduate School of Agriculture, Kyoto University, Uji, Kyoto, 611-0011, Japan
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