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Mayer AMS, Mayer VA, Swanson-Mungerson M, Pierce ML, Rodríguez AD, Nakamura F, Taglialatela-Scafati O. Marine Pharmacology in 2019-2021: Marine Compounds with Antibacterial, Antidiabetic, Antifungal, Anti-Inflammatory, Antiprotozoal, Antituberculosis and Antiviral Activities; Affecting the Immune and Nervous Systems, and Other Miscellaneous Mechanisms of Action. Mar Drugs 2024; 22:309. [PMID: 39057418 PMCID: PMC11278370 DOI: 10.3390/md22070309] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2024] [Revised: 06/22/2024] [Accepted: 06/27/2024] [Indexed: 07/28/2024] Open
Abstract
The current 2019-2021 marine pharmacology literature review provides a continuation of previous reviews covering the period 1998 to 2018. Preclinical marine pharmacology research during 2019-2021 was published by researchers in 42 countries and contributed novel mechanism-of-action pharmacology for 171 structurally characterized marine compounds. The peer-reviewed marine natural product pharmacology literature reported antibacterial, antifungal, antiprotozoal, antituberculosis, and antiviral mechanism-of-action studies for 49 compounds, 87 compounds with antidiabetic and anti-inflammatory activities that also affected the immune and nervous system, while another group of 51 compounds demonstrated novel miscellaneous mechanisms of action, which upon further investigation, may contribute to several pharmacological classes. Thus, in 2019-2021, a very active preclinical marine natural product pharmacology pipeline provided novel mechanisms of action as well as new lead chemistry for the clinical marine pharmaceutical pipeline targeting the therapy of several disease categories.
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Affiliation(s)
- Alejandro M. S. Mayer
- Department of Pharmacology, College of Graduate Studies, Midwestern University, 555 31st Street, Downers Grove, IL 60515, USA;
| | - Veronica A. Mayer
- Department of Nursing Education, School of Nursing, Aurora University, 347 S. Gladstone Ave., Aurora, IL 60506, USA;
| | - Michelle Swanson-Mungerson
- Department of Microbiology and Immunology, College of Graduate Studies, Midwestern University, 555 31st Street, Downers Grove, IL 60515, USA;
| | - Marsha L. Pierce
- Department of Pharmacology, College of Graduate Studies, Midwestern University, 555 31st Street, Downers Grove, IL 60515, USA;
| | - Abimael D. Rodríguez
- Molecular Sciences Research Center, University of Puerto Rico, 1390 Ponce de León Avenue, San Juan, PR 00926, USA;
| | - Fumiaki Nakamura
- Research Institute for Science and Engineering, Waseda University, 3-4-1 Okubo, Shinjuku-ku 169-8555, Tokyo, Japan;
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Zhang X, Wang J, Zhang T, Li S, Liu J, Li M, Lu J, Zhang M, Chen H. Updated Progress on Polysaccharides with Anti-Diabetic Effects through the Regulation of Gut Microbiota: Sources, Mechanisms, and Structure-Activity Relationships. Pharmaceuticals (Basel) 2024; 17:456. [PMID: 38675416 PMCID: PMC11053653 DOI: 10.3390/ph17040456] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2024] [Revised: 03/28/2024] [Accepted: 03/29/2024] [Indexed: 04/28/2024] Open
Abstract
Diabetes mellitus (DM) is a common chronic metabolic disease worldwide. The disturbance of the gut microbiota has a complex influence on the development of DM. Polysaccharides are one type of the most important natural components with anti-diabetic effects. Gut microbiota can participate in the fermentation of polysaccharides, and through this, polysaccharides regulate the gut microbiota and improve DM. This review begins by a summary of the sources, anti-diabetic effects and the gut microbiota regulation functions of natural polysaccharides. Then, the mechanisms of polysaccharides in regulating the gut microbiota to exert anti-diabetic effects and the structure-activity relationship are summarized. It is found that polysaccharides from plants, fungi, and marine organisms show great hypoglycemic activities and the gut microbiota regulation functions. The mechanisms mainly include repairing the gut burrier, reshaping gut microbiota composition, changing the metabolites, regulating anti-inflammatory activity and immune function, and regulating the signal pathways. Structural characteristics of polysaccharides, such as monosaccharide composition, molecular weight, and type of glycosidic linkage, show great influence on the anti-diabetic activity of polysaccharides. This review provides a reference for the exploration and development of the anti-diabetic effects of polysaccharides.
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Affiliation(s)
- Xiaoyu Zhang
- Tianjin Key Laboratory for Modern Drug Delivery and High-Efficiency, School of Pharmaceutical Science and Technology, Faculty of Medicine, Tianjin University, Tianjin 300072, China; (X.Z.); (J.W.); (T.Z.); (S.L.); (J.L.); (M.L.); (J.L.)
| | - Jia Wang
- Tianjin Key Laboratory for Modern Drug Delivery and High-Efficiency, School of Pharmaceutical Science and Technology, Faculty of Medicine, Tianjin University, Tianjin 300072, China; (X.Z.); (J.W.); (T.Z.); (S.L.); (J.L.); (M.L.); (J.L.)
| | - Tingting Zhang
- Tianjin Key Laboratory for Modern Drug Delivery and High-Efficiency, School of Pharmaceutical Science and Technology, Faculty of Medicine, Tianjin University, Tianjin 300072, China; (X.Z.); (J.W.); (T.Z.); (S.L.); (J.L.); (M.L.); (J.L.)
| | - Shuqin Li
- Tianjin Key Laboratory for Modern Drug Delivery and High-Efficiency, School of Pharmaceutical Science and Technology, Faculty of Medicine, Tianjin University, Tianjin 300072, China; (X.Z.); (J.W.); (T.Z.); (S.L.); (J.L.); (M.L.); (J.L.)
| | - Junyu Liu
- Tianjin Key Laboratory for Modern Drug Delivery and High-Efficiency, School of Pharmaceutical Science and Technology, Faculty of Medicine, Tianjin University, Tianjin 300072, China; (X.Z.); (J.W.); (T.Z.); (S.L.); (J.L.); (M.L.); (J.L.)
| | - Mingyue Li
- Tianjin Key Laboratory for Modern Drug Delivery and High-Efficiency, School of Pharmaceutical Science and Technology, Faculty of Medicine, Tianjin University, Tianjin 300072, China; (X.Z.); (J.W.); (T.Z.); (S.L.); (J.L.); (M.L.); (J.L.)
| | - Jingyang Lu
- Tianjin Key Laboratory for Modern Drug Delivery and High-Efficiency, School of Pharmaceutical Science and Technology, Faculty of Medicine, Tianjin University, Tianjin 300072, China; (X.Z.); (J.W.); (T.Z.); (S.L.); (J.L.); (M.L.); (J.L.)
| | - Min Zhang
- China-Russia Agricultural Processing Joint Laboratory, Tianjin Agricultural University, Tianjin 300384, China;
- State Key Laboratory of Nutrition and Safety, Tianjin University of Science & Technology, Tianjin 300457, China
| | - Haixia Chen
- Tianjin Key Laboratory for Modern Drug Delivery and High-Efficiency, School of Pharmaceutical Science and Technology, Faculty of Medicine, Tianjin University, Tianjin 300072, China; (X.Z.); (J.W.); (T.Z.); (S.L.); (J.L.); (M.L.); (J.L.)
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Li B, Dong L, Meng W, Xiong SY, Wu GS, Ma WZ, Luo HR. Phloretic acid requires the insulin/IGF-1 pathway and autophagy to enhance stress resistance and extend the lifespan of Caenorhabditis elegans. Front Pharmacol 2024; 15:1384227. [PMID: 38601465 PMCID: PMC11004342 DOI: 10.3389/fphar.2024.1384227] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2024] [Accepted: 03/15/2024] [Indexed: 04/12/2024] Open
Abstract
Objective: In humans, aging is associated with increased susceptibility to most age-related diseases. Phloretic acid (PA), a naturally occurring compound found in Ginkgo biloba and Asparagus, exhibits has potential as an anti-aging agent and possesses antioxidant, anti-inflammatory, and immunomodulatory properties. This study aimed to investigate the effects of PA on longevity and stress resistance in Caenorhabditis elegans (C.elegans) and the mechanisms that underlie its effects. Methods: First, we examined the effects of PA on lifespan and healthspan assay, stress resistance and oxidative analysis, lipofuscin levels. Second, we examined the insulin/insulin-like pathway, mitochondria, autophagy-related proteins, and gene expression to explain the possible mechanism of PA prolonging lifespan. Results: Our findings demonstrated that PA dose-dependently extended the C.elegans lifespan, with 200 μM PA showing the greatest effect and increased the C.elegans lifespan by approximately 16.7%. PA enhanced motility and the pharyngeal pumping rate in senescent C.elegans while reducing the accumulation of aging pigments. Further investigations revealed that daf-16, skn-1, and hsf-1 were required for mediating the lifespan extension effect of PA in C.elegans since its impact was suppressed in mutant strains lacking these genes. This suggests that PA activates these genes, leading to the upregulation of downstream genes involved in stress response and senescence regulation pathways. Furthermore, PA did not extend the lifespan of the RNAi atg-18 and RNAi bec-1 but it attenuated SQST-1 accumulation, augmented autophagosome expression, upregulated autophagy-related gene expression, and downregulated S6K protein levels. These findings suggest that the potential life-extending effect of PA also involves the modulation of the autophagy pathway. Conclusion: These findings results highlight the promising anti-aging effects of PA and warrant further investigation into its pharmacological mechanism and medicinal development prospects.
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Affiliation(s)
- Bo Li
- State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Macau, China
- The Affiliated Traditional Chinese Medicine Hospital, Luzhou, China
- Key Laboratory of Luzhou City for Aging Medicine, Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, China
- Central Nervous System Drug Key Laboratory of Sichuan Province, Luzhou, China
| | - Li Dong
- The Affiliated Traditional Chinese Medicine Hospital, Luzhou, China
| | - Wei Meng
- The Affiliated Traditional Chinese Medicine Hospital, Luzhou, China
| | - Shi-Ying Xiong
- State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Macau, China
- Key Laboratory of Luzhou City for Aging Medicine, Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, China
- Central Nervous System Drug Key Laboratory of Sichuan Province, Luzhou, China
| | - Gui-Sheng Wu
- Key Laboratory of Luzhou City for Aging Medicine, Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, China
- Central Nervous System Drug Key Laboratory of Sichuan Province, Luzhou, China
| | - Wen-Zhe Ma
- State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Macau, China
| | - Huai-Rong Luo
- State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Macau, China
- Key Laboratory of Luzhou City for Aging Medicine, Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, China
- Central Nervous System Drug Key Laboratory of Sichuan Province, Luzhou, China
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Kumari A, Garima, Bharadvaja N. A comprehensive review on algal nutraceuticals as prospective therapeutic agent for different diseases. 3 Biotech 2023; 13:44. [PMID: 36643398 PMCID: PMC9834485 DOI: 10.1007/s13205-022-03454-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Accepted: 12/25/2022] [Indexed: 01/13/2023] Open
Abstract
Ongoing research in the food supplement sector provides insightful information regarding algae as a new-generation nutritional supplement and is also referred to as a superfood. Due to the diverse nutritional components, algae have documented numerous health benefits like fighting microbial diseases, hypertension, obesity, and diabetes. Therefore, algae-derived nutraceuticals account for a rapidly expanding market in the food supplements sector. The concept of algal prebiotics and their role in modulating gut microbiota have also been a chief contributor to this. This review evaluates the use of possible algal species and their specific bioactive compounds for the management of several chronic diseases. Proteins, peptides, polysaccharides, phenolics, and vitamins give an insight into the significance of algae in boosting the immune system and improving the body's nutritional makeup. In addition, phyco-compounds such as polysaccharides and polyphenols are also receiving a lot more interest in cosmeceutical applications for protecting skin from photodamage. The incorporation of algae in the diet for the management and prevention of chronic diseases like cancer, lung, and heart disease has been discussed in this review along with their action mechanism. This review provides a brief overview of several bioactive compounds present in micro and macroalgae and their therapeutic effect on lifestyle diseases, gastrointestinal diseases as well as neurodegenerative diseases.
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Affiliation(s)
- Asmita Kumari
- Plant Biotechnology Laboratory, Department of Biotechnology, Delhi Technological University, Shahbad Daulatpur, Main Bawana Road, Delhi, 110042 India
| | - Garima
- Plant Biotechnology Laboratory, Department of Biotechnology, Delhi Technological University, Shahbad Daulatpur, Main Bawana Road, Delhi, 110042 India
| | - Navneeta Bharadvaja
- Plant Biotechnology Laboratory, Department of Biotechnology, Delhi Technological University, Shahbad Daulatpur, Main Bawana Road, Delhi, 110042 India
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Kwon OY, Lee SH. Ishige okamurae Attenuates Neuroinflammation and Cognitive Deficits in Mice Intracerebroventricularly Injected with LPS via Regulating TLR-4/MyD88-Dependent Pathways. Antioxidants (Basel) 2022; 12:antiox12010078. [PMID: 36670940 PMCID: PMC9854571 DOI: 10.3390/antiox12010078] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Revised: 12/22/2022] [Accepted: 12/26/2022] [Indexed: 12/31/2022] Open
Abstract
Neuroinflammation is one of the critical causes of neuronal loss and cognitive impairment. We aimed to evaluate the anti-neuroinflammatory properties of Ishige okamuae using mice intracerebroventricularly injected with lipopolysaccharides (LPS) and LPS-treated C6 glioma cells. We found that the short- and long-term memory deficits of LPS-injected mice were improved by oral administration of Ishige okamurae extracts (IOE). LPS-induced neuronal loss, increase in amyloid-β plaque, and expression of COX-2 and iNOS were restored by IOE. In addition, LPS-induced activation of Toll-like receptor-4 (TLR-4) and its downstream molecules, such as MyD88, NFκB, and mitogen-activated protein kinases (MAPKs), were significantly attenuated in the brains of mice fed with IOE. We found that pretreatment of IOE to C6 glioma cells ameliorated LPS-induced expression of TLR-4 and its inflammatory cascades, such as MyD88 expression, reactive oxygen species production, MAPKs phosphorylation, and NFκB phosphorylation with consequent downregulation of COX-2, iNOS, proinflammatory cytokines, and nitric oxide expression. Furthermore, IOE (0.2 µg/mL) was found to have equivalent efficacy with 10 μM of MyD88 inhibitor in preventing LPS-induced inflammatory responses in C6 glioma cells. Taken together, these results strongly suggest that IOE could be developed as a promising anti-neuroinflammatory agent which is able to control the TLR-4/MyD88-dependent signaling pathways.
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Ahn CH, Oh KY, Jin B, Lee WW, Kim J, Kim HJ, Park DG, Swarup N, Chawla K, Ryu MH, Kim UK, Choi SJ, Yoon HJ, Hong SD, Shin JA, Cho SD. Targeting tumor-intrinsic PD-L1 suppresses the progression and aggressiveness of head and neck cancer by inhibiting GSK3β-dependent Snail degradation. Cell Oncol (Dordr) 2022; 46:267-282. [PMID: 36441378 DOI: 10.1007/s13402-022-00748-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/06/2022] [Indexed: 11/29/2022] Open
Abstract
PURPOSE PD-L1 is an immune checkpoint protein that allows cells to evade T-cell-mediated immune responses. Herein, we uncover a tumor-intrinsic mechanism of PD-L1 that is responsible for the progression and aggressiveness of HNC and reveal that the extracts of a brown alga can target the tumor-intrinsic signaling pathway of PD-L1. METHODS The biological functions of PD-L1 in the proliferation and aggressiveness of HNC cells in vitro were examined by metabolic activity, clonogenic, tumorigenicity, wound healing, migration, and invasion assays. The clinical importance of PD-L1 in the prognosis of patients with HNC was analyzed by immunohistochemistry. The relationship between PD-L1 and EMT was confirmed via western blotting, qPCR, and immunocytochemistry. RESULTS Through our in silico approach, we found that PD-L1 was upregulated in HNC and was correlated with an unfavorable clinical outcome in patients with HNC. PD-L1 was crucial for promoting tumor growth, both in vitro and in vivo. High expression of PD-L1 was closely correlated with LN metastasis in OSCC. PD-L1 facilitated the cytoskeletal reorganization and aggressiveness of HNC cells. Moreover, PD-L1 enhanced the EMT of HNC cells by regulating the Snail/vimentin axis. Consistently, MEIO suppressed the PD-L1/Snail/vimentin axis, thereby inhibiting the aggressiveness of HNC cells. Inhibition of PD-L1 induced by PD-L1 silencing or MEIO treatment caused Snail degradation through a GSK3β-dependent mechanism. The tumor-intrinsic function of PD-L1 could be attributed to the regulation of the GSK3β/Snail/vimentin axis. CONCLUSION The discovery of MEIO targeting the tumor-intrinsic function of PD-L1 may prove particularly valuable for the development of novel and effective anticancer drug candidates for HNCs overexpressing PD-L1.
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Marine algae colorants: Antioxidant, anti-diabetic properties and applications in food industry. ALGAL RES 2022. [DOI: 10.1016/j.algal.2022.102898] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Siddiqui NZ, Rehman AU, Yousuf W, khan AI, Farooqui NA, Zang S, Xin Y, Wang L. Effect of crude polysaccharide from seaweed, Dictyopteris divaricata (CDDP) on gut microbiota restoration and anti-diabetic activity in streptozotocin (STZ)-induced T1DM mice. Gut Pathog 2022; 14:39. [PMID: 36115959 PMCID: PMC9482207 DOI: 10.1186/s13099-022-00512-1] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Accepted: 09/01/2022] [Indexed: 11/10/2022] Open
Abstract
Type-1 Diabetes Mellitus (T1DM) is regarded as a multifunctional, immune-related disease which causes massive destruction of islet β-cells in pancreas resulting in hyperglycemic, hypoinsulinemia and hyperlipidimic conditions. The aim of the present study, was to investigate the hypothesis that streptozotocin (STZ)-induced T1DM in Balb/c mice when treated with crude polysaccharide from seaweed, Dictyopteris divaricata (CDDP) depicts improvement in diabetes-related symptoms. Treatment with CDDP resulted in decreased body weight loss, improved food consumption and water intake disbalances. The CDDP effectively improved fasting blood glucose, oral glucose tolerance (OGTT), serum insulin, insulin secretion, rejuvenation of β-cells mass, serum lipid profile and pro-inflammatory cytokines levels. Additionally, treatment with CDDP increased the population of beneficial bacteria such as Firmicutes, Bacteroidetes and Lactobacillus at phylum, family and genus levels by 16S rRNA sequencing. Furthermore, immunohistological examination confirmed that CDDP reduces the inflammation and restored the structural morphology of colon and upraised the levels of insulin receptor substrate-1 (IRS-1), Mucin-2 (MUC-2) and tight-junction proteins (TJs) whereby maintaining the gut structures and barrier permeability. Thus, the above presented data, highlights the safe and therapeutic effects of crude polysaccharide (CDDP) from D. divaricata in the treatment and restoration of T1DM disorders and can be used as a food supplement alternative to diabetes medicine.
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Deng X, Chen B, Luo Q, Zao X, Liu H, Li Y. Hulless barley polyphenol extract inhibits adipogenesis in 3T3-L1 cells and obesity related-enzymes. Front Nutr 2022; 9:933068. [PMID: 35990339 PMCID: PMC9389463 DOI: 10.3389/fnut.2022.933068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2022] [Accepted: 07/12/2022] [Indexed: 11/29/2022] Open
Abstract
Obesity is characterized by excessive lipid accumulation, hypertrophy, and hyperplasia of adipose cells. Hulless barley (Hordeum vulgare L. var. nudum Hook. f.) is the principal crop grown in the Qinghai-Tibet plateau. Polyphenols, the major bioactive compound in hulless barley, possess antioxidant, anti-inflammatory, and antibacterial properties. However, the anti-obesity effect of hulless barley polyphenol (HBP) extract has not been explored. Therefore, the current study assessed the impact of HBP extract on preventing obesity. For this purpose, we evaluated the inhibitory effect of HBP extract against obesity-related enzymes. Moreover, we investigated the effect of HBP extract on adipocyte differentiation and adipogenesis through 3T3-L1 adipocytes. Our results demonstrated that HBP extract could inhibit α-amylase, α-glucosidase (α-GLU), and lipase in a dose-dependent manner. In addition, HBP extract inhibited the differentiation of 3T3-L1 preadipocytes by arresting the cell cycle at the G0/G1 phase. Furthermore, the extract suppressed the expression of adipogenic transcription factors such as peroxisome proliferator-activated receptor γ (PPARγ), CCAAT/enhancer-binding protein α (C/EBPα), regulating fatty acid synthase (FAS), fatty acid-binding protein 4 (FABP4), and adipose triglyceride lipase (ATGL). It was also observed that HBP extract alleviated intracellular lipid accumulation by attenuating oxidative stress. These findings specify that HBP extract could inhibit obesity-related enzymes, adipocyte differentiation, and adipogenesis. Therefore, it is potentially beneficial in preventing obesity.
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Affiliation(s)
- Xianfeng Deng
- College of Food Science and Technology, Yunnan Agricultural University, Kunming, China
| | - Bi Chen
- School of Life and Health Science, Kaili University, Kaili, China
| | - Qin Luo
- College of Food Science and Technology, Yunnan Agricultural University, Kunming, China
| | - Xingru Zao
- College of Food Science and Technology, Yunnan Agricultural University, Kunming, China
| | - Haizhe Liu
- College of Food Science and Technology, Yunnan Agricultural University, Kunming, China
| | - Yongqiang Li
- College of Food Science and Technology, Yunnan Agricultural University, Kunming, China
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Yang HW, Oh S, Chung DM, Seo M, Park SJ, Jeon YJ, Byun K, Ryu B. Ishophloroglucin A, Isolated from Ishige okamurae, Alleviates Dexamethasone-Induced Muscle Atrophy through Muscle Protein Metabolism In Vivo. Mar Drugs 2022; 20:280. [PMID: 35621931 PMCID: PMC9147101 DOI: 10.3390/md20050280] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Revised: 04/18/2022] [Accepted: 04/18/2022] [Indexed: 02/05/2023] Open
Abstract
The in vitro capacity of Ishige okamurae extract (IO) to improve impaired muscle function has been previously examined. However, the mechanism underlying IO-mediated muscle protein metabolism and the role of its component, Ishophloroglucin A (IPA), in mice with dexamethasone (Dexa)-induced muscle atrophy remains unknown. In the present study, we evaluated the effect of IO and IPA supplementation on Dexa-induced muscle atrophy by assessing muscle protein metabolism in gastrocnemius and soleus muscles of mice. IO and IPA supplementation improved the Dexa-induced decrease in muscle weight and width, leading to enhanced grip strength. In addition, IO and IPA supplementation regulated impaired protein synthesis (PI3K and Akt) or degradation (muscle-specific ubiquitin ligase muscle RING finger and atrogin-1) by modulating mRNA levels in gastrocnemius and soleus muscles. Additionally, IO and IPA upregulated mRNA levels associated with muscle growth activation (transient receptor potential vanilloid type 4 and adenosine A1 receptor) or inhibition (myostatin and sirtuin 1) in gastrocnemius and soleus muscle tissues of Dexa-induced mice. Collectively, these results suggest that IO and IO-derived IPA can regulate muscle growth through muscle protein metabolism in Dexa-induced muscle atrophy.
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Affiliation(s)
- Hye-Won Yang
- Department of Marine Life Science, School of Marine Biomedical Sciences, Jeju National University, 102 Jejudaehak-ro, Jeju 63243, Korea; (H.-W.Y.); (Y.-J.J.)
| | - Seyeon Oh
- Functional Cellular Networks Laboratory, Department of Medicine, Graduate School, Lee Gil Ya Cancer and Diabetes Institute, Gachon University, Incheon 21999, Korea;
| | - Dong-Min Chung
- Shinwoo Co., Ltd., Jinju 52839, Korea; (D.-M.C.); (M.S.); (S.J.P.)
| | - Minyoung Seo
- Shinwoo Co., Ltd., Jinju 52839, Korea; (D.-M.C.); (M.S.); (S.J.P.)
| | - Shin Jae Park
- Shinwoo Co., Ltd., Jinju 52839, Korea; (D.-M.C.); (M.S.); (S.J.P.)
| | - You-Jin Jeon
- Department of Marine Life Science, School of Marine Biomedical Sciences, Jeju National University, 102 Jejudaehak-ro, Jeju 63243, Korea; (H.-W.Y.); (Y.-J.J.)
- Marine Science Institute, Jeju National University, Jeju 63333, Korea
| | - Kyunghee Byun
- Functional Cellular Networks Laboratory, Department of Medicine, Graduate School, Lee Gil Ya Cancer and Diabetes Institute, Gachon University, Incheon 21999, Korea;
- Department of Anatomy & Cell Biology, College of Medicine, Gachon University, Incheon 21936, Korea
| | - BoMi Ryu
- Department of Marine Life Science, School of Marine Biomedical Sciences, Jeju National University, 102 Jejudaehak-ro, Jeju 63243, Korea; (H.-W.Y.); (Y.-J.J.)
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Diphlorethohydroxycarmalol Derived from Ishige okamurae Improves Behavioral and Physiological Responses of Muscle Atrophy Induced by Dexamethasone in an In-Vivo Model. Pharmaceutics 2022; 14:pharmaceutics14040719. [PMID: 35456553 PMCID: PMC9026865 DOI: 10.3390/pharmaceutics14040719] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Revised: 03/17/2022] [Accepted: 03/21/2022] [Indexed: 02/07/2023] Open
Abstract
Muscle atrophy refers to the loss of skeletal muscle mass, myofiber size, and related physical functions such as walking speed or grip strength caused by aging or a lack of physical activity due to injury or illness and can also be attributed to excessive exposure to corticosteroids. Ishige okamurae (IO) and its active component, diphlorethohydroxycarmalol (DPHC), have been known to improve glucose homeostasis by controlling the contraction of skeletal muscles. Based on this idea, we hypothesized that the effects of DPHC and IO extract on muscle metabolism are associated with their role in improving muscle physical function. This study assessed the effects of DPHC or IO extract on muscle behavioral responses with their metabolic properties in muscle atrophy induced by glucocorticoids and dexamethasone (DEX) in vivo. In addition to the improvement in muscle behavioral response by DPHC or IO extract, the loss of muscle fiber and the related metabolic properties by DEX exposure in the gastrocnemius and soleus of calf muscle was prevented. These findings suggest that IO extract and its active component DPHC can potentially prevent muscle atrophy caused by exposure to corticosteroids and could be used to treat reverse skeletal atrophy.
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Agarwal S, Singh V, Chauhan K. Antidiabetic potential of seaweed and their bioactive compounds: a review of developments in last decade. Crit Rev Food Sci Nutr 2022; 63:5739-5770. [PMID: 35048763 DOI: 10.1080/10408398.2021.2024130] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Diabetes Mellitus is a public health problem worldwide due to high morbidity and mortality rate associated with it. Diabetes can be managed by synthetic hypoglycemic drugs, although their persistent uses have several side effects. Hence, there is a paradigm shift toward the use of natural products having antidiabetic potential. Seaweeds, large marine benthic algae, are an affluent source of various bioactive compounds, including phytochemicals and antioxidants thus exhibiting various health promoting properties. Seaweed extracts and its bioactive compounds have antidiabetic potential as they inhibit carbohydrate hydrolyzing enzymes in vitro and exhibit blood glucose lowering effect in random and post prandial blood glucose tests in vivo. In addition, they have been associated with reduced weight gain in animals probably by decreasing mRNA expression of pro-inflammatory cytokines with concomitant increase in mRNA expression levels of anti-inflammatory cytokines. Their beneficial effect has been seen in serum and hepatic lipid profile and antioxidant enzymes indicating the protective role of seaweeds against free radicals mediated oxidative stress induced hyperglycemia and associated hyperlipidemia. However, the detailed and in-depth studies of seaweeds as whole, their bioactive isolates and their extracts need to be explored further for their health benefits and wide application in food, nutraceutical and pharmaceutical industries.
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Affiliation(s)
- Surbhi Agarwal
- Department of Food Science and Technology, National Institute of Food Technology Entrepreneurship and Management, Sonipet, India
| | - Vikas Singh
- Department of Food Business Management and Entrepreneurship Development, National Institute of Food Technology Entrepreneurship and Management, Kundli, India
| | - Komal Chauhan
- Department of Food Science and Technology, National Institute of Food Technology Entrepreneurship and Management, Sonipet, India
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SHAFAY SEL, EL-SHEEKH M, BASES E, EL-SHENODY R. Antioxidant, antidiabetic, anti-inflammatory and anticancer potential of some seaweed extracts. FOOD SCIENCE AND TECHNOLOGY 2022. [DOI: 10.1590/fst.20521] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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Lee HG, Kim HS, Je JG, Hwang J, Sanjeewa KKA, Lee DS, Song KM, Choi YS, Kang MC, Jeon YJ. Lipid Inhibitory Effect of (-)-loliolide Isolated from Sargassum horneri in 3T3-L1 Adipocytes: Inhibitory Mechanism of Adipose-Specific Proteins. Mar Drugs 2021; 19:96. [PMID: 33567534 PMCID: PMC7915803 DOI: 10.3390/md19020096] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2021] [Revised: 02/01/2021] [Accepted: 02/02/2021] [Indexed: 12/21/2022] Open
Abstract
Sargassum horneri (S. horneri) is a well-known brown seaweed widely distributed worldwide. Several biological activities of S. horneri have been reported. However, its effects on lipid metabolism and the underlying mechanisms remain elusive. In the present study, we examined the inhibitory effect of the active compound "(-)-loliolide ((6S,7aR)-6-hydroxy-4,4,7a-trimethyl-5,6,7,7a-tetrahydro-1-benzofuran-2(4H)-one (HTT))" from S. horneri extract on lipid accumulation in differentiated adipocytes. MTT assays demonstrated that (-)-loliolide is not toxic to 3T3-L1 adipocytes in a range of concentrations. (-)-loliolide significantly reduced intracellular lipid accumulation in the differentiated phase of 3T3-L1 adipocytes as shown by Oil Red O staining. Western blot analysis revealed that (-)-loliolide increased the expression of lipolytic protein phospho-hormone-sensitive lipase (p-HSL) and thermogenic protein peroxisome proliferator-activated receptor gamma coactivator 1-alpha (PGC-1). Additionally, (-)-loliolide decreased expression of adipogenic and lipogenic proteins, including sterol regulatory element-binding protein-1 (SREBP-1), peroxisome proliferator-activated receptor-γ (PPAR-γ), CCAAT/enhancer-binding protein-α (C/EBP-α), and fatty acid-binding protein 4 (FABP4) in 3T3-L1 adipocytes. These results indicate that (-)-loliolide from S. horneri could suppress lipid accumulation via regulation of antiadipogenic and prolipolytic mechanisms in 3T3-L1 cells. Considering the multifunctional effect of (-)-loliolide, it can be useful as a lipid-lowering agent in the management of patients who suffer from obesity.
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Affiliation(s)
- Hyo-Geun Lee
- Department of Marine Life Science, Jeju National University, Jeju 63243, Korea; (H.-G.L.); (J.-G.J.); (J.H.); (K.K.A.S.)
| | - Hyun-Soo Kim
- Marine Biodiversity Institute of Korea, 75, Jangsan-ro 101-gil, Janghang-eup, Seocheon 33362, Korea; (H.-S.K.); (D.-S.L.)
| | - Jun-Geon Je
- Department of Marine Life Science, Jeju National University, Jeju 63243, Korea; (H.-G.L.); (J.-G.J.); (J.H.); (K.K.A.S.)
| | - Jin Hwang
- Department of Marine Life Science, Jeju National University, Jeju 63243, Korea; (H.-G.L.); (J.-G.J.); (J.H.); (K.K.A.S.)
| | - K. K. Asanka Sanjeewa
- Department of Marine Life Science, Jeju National University, Jeju 63243, Korea; (H.-G.L.); (J.-G.J.); (J.H.); (K.K.A.S.)
| | - Dae-Sung Lee
- Marine Biodiversity Institute of Korea, 75, Jangsan-ro 101-gil, Janghang-eup, Seocheon 33362, Korea; (H.-S.K.); (D.-S.L.)
| | - Kyung-Mo Song
- Research Group of Food Processing, Korea Food Research Institute, 245, Nongsaengmyeong-ro, Iseo-myeon, Wanju 55365, Korea; (K.-M.S.); (Y.-S.C.)
| | - Yun-Sang Choi
- Research Group of Food Processing, Korea Food Research Institute, 245, Nongsaengmyeong-ro, Iseo-myeon, Wanju 55365, Korea; (K.-M.S.); (Y.-S.C.)
| | - Min-Cheol Kang
- Research Group of Food Processing, Korea Food Research Institute, 245, Nongsaengmyeong-ro, Iseo-myeon, Wanju 55365, Korea; (K.-M.S.); (Y.-S.C.)
| | - You-Jin Jeon
- Department of Marine Life Science, Jeju National University, Jeju 63243, Korea; (H.-G.L.); (J.-G.J.); (J.H.); (K.K.A.S.)
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Pradhan B, Nayak R, Patra S, Jit BP, Ragusa A, Jena M. Bioactive Metabolites from Marine Algae as Potent Pharmacophores against Oxidative Stress-Associated Human Diseases: A Comprehensive Review. Molecules 2020; 26:E37. [PMID: 33374738 PMCID: PMC7793479 DOI: 10.3390/molecules26010037] [Citation(s) in RCA: 53] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2020] [Revised: 12/18/2020] [Accepted: 12/21/2020] [Indexed: 12/13/2022] Open
Abstract
In addition to cancer and diabetes, inflammatory and ROS-related diseases represent one of the major health problems worldwide. Currently, several synthetic drugs are used to reduce oxidative stress; nevertheless, these approaches often have side effects. Therefore, to overcome these issues, the search for alternative therapies has gained importance in recent times. Natural bioactive compounds have represented, and they still do, an important source of drugs with high therapeutic efficacy. In the ''synthetic'' era, terrestrial and aquatic photosynthetic organisms have been shown to be an essential source of natural compounds, some of which might play a leading role in pharmaceutical drug development. Marine organisms constitute nearly half of the worldwide biodiversity. In the marine environment, algae, seaweeds, and seagrasses are the first reported sources of marine natural products for discovering novel pharmacophores. The algal bioactive compounds are a potential source of novel antioxidant and anticancer (through modulation of the cell cycle, metastasis, and apoptosis) compounds. Secondary metabolites in marine Algae, such as phenolic acids, flavonoids, and tannins, could have great therapeutic implications against several diseases. In this context, this review focuses on the diversity of functional compounds extracted from algae and their potential beneficial effects in fighting cancer, diabetes, and inflammatory diseases.
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Affiliation(s)
- Biswajita Pradhan
- Algal Biotechnology and Molecular Systematic Laboratory, Post Graduate Department of Botany, Berhampur University, Brahmapur 760007, India; (B.P.); (R.N.)
| | - Rabindra Nayak
- Algal Biotechnology and Molecular Systematic Laboratory, Post Graduate Department of Botany, Berhampur University, Brahmapur 760007, India; (B.P.); (R.N.)
| | - Srimanta Patra
- Cancer and Cell Death Laboratory, Department of Life Science, National Institute of Technology Rourkela, Rourkela 769001, India;
| | - Bimal Prasad Jit
- Department of Biochemistry, All India Institute of Medical Science, Ansari Nagar, New Delhi 110023, India;
| | - Andrea Ragusa
- Department of Biological and Environmental Sciences and Technologies, Campus Ecotekne, University of Salento, via Monteroni, 73100 Lecce, Italy
- CNR-Nanotec, Institute of Nanotechnology, via Monteroni, 73100 Lecce, Italy
| | - Mrutyunjay Jena
- Algal Biotechnology and Molecular Systematic Laboratory, Post Graduate Department of Botany, Berhampur University, Brahmapur 760007, India; (B.P.); (R.N.)
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Gunathilaka TL, Samarakoon K, Ranasinghe P, Peiris LDC. Antidiabetic Potential of Marine Brown Algae-a Mini Review. J Diabetes Res 2020; 2020:1230218. [PMID: 32377517 PMCID: PMC7197011 DOI: 10.1155/2020/1230218] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/20/2020] [Accepted: 04/16/2020] [Indexed: 12/16/2022] Open
Abstract
Marine algae are an important source of bioactive metabolites in drug development and nutraceuticals. Diabetes mellitus is a metabolic disorder and the third leading cause of death worldwide due to lifestyle changes associated with rapid urbanization. Due to the adverse side effects of currently available antidiabetic drugs, search for an effective natural-based antidiabetic drug is important to combat diabetes and its complications. Therefore, in lieu with herbal drug development, it is important to find the potential benefits of seaweeds for the management of type 2 diabetes as they are underexplored yet in Sri Lanka. Among the marine seaweeds, natural bioactive compounds are abundant in brown algae with potentials in application as active ingredients in drug leads and nutraceuticals. Bioactive secondary metabolites are derived from numerous biosynthetic pathways of marine algae which contribute to various chemical and biological properties. Phlorotannins present in marine brown algae exhibited antidiabetic activities through different mechanisms such as the inhibitory effect of enzyme targets mainly by inhibiting the enzymes such as α-amylase, α-glucosidase, angiotensin-converting enzymes (ACE), aldose reductase, dipeptidyl peptidase-4, and protein tyrosine phosphatase 1B (PTP 1B) enzyme. In addition, phlorotannins derived from brown algae have the ability to reduce diabetic complications. Hence, the present review focuses on the different antidiabetic mechanisms of secondary bioactive compounds present in marine brown algae.
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Affiliation(s)
- Thilina L. Gunathilaka
- Department of Zoology, Faculty of Applied Sciences, University of Sri Jayewardenepura, Nugegoda 10250, Sri Lanka
| | - Kalpa Samarakoon
- National Science and Technology Commission, Dudley Senanayake Mawatha, Colombo 8 00800, Sri Lanka
| | | | - L. Dinithi C. Peiris
- Department of Zoology, Faculty of Applied Sciences, University of Sri Jayewardenepura, Nugegoda 10250, Sri Lanka
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Héliès-Toussaint C, Fouché E, Naud N, Blas-Y-Estrada F, Del Socorro Santos-Diaz M, Nègre-Salvayre A, Barba de la Rosa AP, Guéraud F. Opuntia cladode powders inhibit adipogenesis in 3 T3-F442A adipocytes and a high-fat-diet rat model by modifying metabolic parameters and favouring faecal fat excretion. BMC Complement Med Ther 2020; 20:33. [PMID: 32024512 PMCID: PMC7076822 DOI: 10.1186/s12906-020-2824-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2019] [Accepted: 01/20/2020] [Indexed: 12/21/2022] Open
Abstract
Background Obesity is a major public health concern worldwide. A sedentary life and a nutritional transition to processed foods and high-calorie diets are contributing factors to obesity. The demand for nutraceutical foods, such as herbal weight-loss products, which offer the potential to counteract obesity, has consequently increased. We hypothesised that Opuntia cladodes consumption could assist weight management in an obesity prevention context. Methods This study was designed to explore the anti-adipogenic effects of lyophilised Opuntia cladode powders (OCP) in an in vitro cellular model for adipocyte differentiation and an in vivo high-fat-diet (HFD)-induced obesity rat model. Two OCP were tested, one from wild species O. streptacantha and the second from the most known species O. ficus-indica. Results Pre-adipocytes 3 T3-F442A were treated by OCP during the differentiation process by insulin. OCP treatment impaired the differentiation in adipocytes, as supported by the decreased triglyceride content and a low glucose uptake, which remained comparable to that observed in undifferentiated controls, suggesting that an anti-adipogenic effect was exerted by OCP. Sprague–Dawley rats were fed with a normal or HFD, supplemented or not with OCP for 8 weeks. OCP treatment slightly reduced body weight gain, liver and abdominal fat weights, improved some obesity-related metabolic parameters and increased triglyceride excretion in the faeces. Taken together, these results showed that OCP might contribute to reduce adipogenesis and fat storage in a HFD context, notably by promoting the faecal excretion of fats. Conclusions Opuntia cladodes may be used as a dietary supplement or potential therapeutic agent in diet-based therapies for weight management to prevent obesity. Graphical abstract ![]()
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Affiliation(s)
- Cécile Héliès-Toussaint
- INRA, ToxAlim (Research Centre in Food Toxicology), Université de Toulouse, INRA, ENVT, INP-Purpan, UPS, Toulouse, France.
| | - Edwin Fouché
- INRA, ToxAlim (Research Centre in Food Toxicology), Université de Toulouse, INRA, ENVT, INP-Purpan, UPS, Toulouse, France
| | - Nathalie Naud
- INRA, ToxAlim (Research Centre in Food Toxicology), Université de Toulouse, INRA, ENVT, INP-Purpan, UPS, Toulouse, France
| | - Florence Blas-Y-Estrada
- INRA, ToxAlim (Research Centre in Food Toxicology), Université de Toulouse, INRA, ENVT, INP-Purpan, UPS, Toulouse, France
| | - Maria Del Socorro Santos-Diaz
- Centro de Investigación y Estudios de Posgrado (CienciasQuímicas), UniversidadAutónoma de San Luis Potosí, San Luis Potosí, Mexico
| | - Anne Nègre-Salvayre
- Instituto Potosino de Investigación Científica y Tecnológica, San Luis Potosí, Mexico
| | | | - Françoise Guéraud
- INRA, ToxAlim (Research Centre in Food Toxicology), Université de Toulouse, INRA, ENVT, INP-Purpan, UPS, Toulouse, France
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Cho BO, Che DN, Shin JY, Kang HJ, Kim JH, Jang SI. Anti-obesity effects of enzyme-treated celery extract in mice fed with high-fat diet. J Food Biochem 2019; 44:e13105. [PMID: 31788817 DOI: 10.1111/jfbc.13105] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2019] [Revised: 10/30/2019] [Accepted: 11/05/2019] [Indexed: 12/20/2022]
Abstract
The present study demonstrated the anti-obesity effects of enzyme-treated celery extract (ECE) in mice on high-fat diet (HFD). In vitro studies showed that ECE has anti-adipogenic properties by inhibiting lipid accumulations in adipose cells. In vivo studies indicated that the administration of ECE markedly prevented HFD-induced body weight gain, food efficiency ratio, and epididymal fat and liver weights. ECE reduced lipid parameters, cardiac risk factor, and atherogenic index in obese mice. ECE prevented a diabetes state by improving adipokines levels, reducing glucose levels, and preventing insulin resistance. Moreover, ECE prevented HFD-induced liver damage by preventing hepatic steatosis and upregulation of liver antioxidant enzymes. The mechanism of ECE was partially investigated to involve the activation of 5' adenosine monophosphate-activated protein kinase and hence the downregulation of CCAAT/enhancer binding protein α and peroxisome proliferator-activated receptor γ by ECE. Our results suggest that ECE could be used as functional food materials for the prevention of obesity. PRACTICAL APPLICATIONS: Apium graveolens is a popular plant with nutritive and medicinal benefits. It contains bioactive compounds such as apiin, apigenin, and luteolin. However, these compounds are rendered insoluble due to their interaction with polysaccharides in the cell wall thus making them less bioavailable. Hydrolyzing them could increase the yield of bioactive compounds in celery. This pilot study demonstrates that pectinase-treated celery extract has anti-obesity effects. The results of this research demonstrate the use of enzymes in improving the biological activities of plant extracts and suggest the use of enzyme-assisted extraction techniques in the industrial production of health functional food from celery.
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Affiliation(s)
- Byoung Ok Cho
- Department of Health Management, Jeonju University, Jeonju, Republic of Korea.,Research Institute, Ato Q&A Co., LTD, Jeonju, Republic of Korea
| | - Denis Nchang Che
- Department of Health Management, Jeonju University, Jeonju, Republic of Korea.,Department of Food Science and Technology, Chonbuk National University, Jeonju, Republic of Korea
| | - Jae Young Shin
- Research Institute, Ato Q&A Co., LTD, Jeonju, Republic of Korea
| | - Hyun Ju Kang
- Research Institute, Ato Q&A Co., LTD, Jeonju, Republic of Korea
| | - Jang Ho Kim
- Department of Health Management, Jeonju University, Jeonju, Republic of Korea
| | - Seon Il Jang
- Department of Health Management, Jeonju University, Jeonju, Republic of Korea.,Research Institute, Ato Q&A Co., LTD, Jeonju, Republic of Korea
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Ding Y, Wang L, Im S, Hwang O, Kim HS, Kang MC, Lee SH. Anti-Obesity Effect of Diphlorethohydroxycarmalol Isolated from Brown Alga Ishige okamurae in High-Fat Diet-Induced Obese Mice. Mar Drugs 2019; 17:E637. [PMID: 31717668 PMCID: PMC6891314 DOI: 10.3390/md17110637] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2019] [Revised: 11/05/2019] [Accepted: 11/08/2019] [Indexed: 12/15/2022] Open
Abstract
Diphlorethohydroxycarmalol (DPHC) is one of the most abundant bioactive compounds in Ishige okamurae. The previous study suggested that DPHC possesses strong in vitro anti-obesity activity in 3T3-L1 cells. However, the in vivo anti-obesity effect of DPHC has not been determined. The current study explored the effect of DPHC on high-fat diet (HFD)-induced obesity in C57BL/6J mice. The results indicated that oral administration of DPHC (25 and 50 mg/kg/day for six weeks) significantly and dose-dependently reduced HFD-induced adiposity and body weight gain. DPHC not only decreased the levels of triglyceride, low-density lipoprotein cholesterol, leptin, and aspartate transaminase but also increased the level of high-density lipoprotein cholesterol in the serum of HFD mice. In addition, DPHC significantly reduced hepatic lipid accumulation by reduction of expression levels of the critical enzymes for lipogenesis including SREBP-1c, FABP4, and FAS. Furthermore, DPHC remarkably reduced the adipocyte size, as well as decreased the expression levels of key adipogenic-specific proteins and lipogenic enzymes including PPARγ, C/EBPα, SREBP-1c, FABP4, and FAS, which regulate the lipid metabolism in the epididymal adipose tissue (EAT). Further studies demonstrated that DPHC significantly stimulated the phosphorylation of adenosine monophosphate-activated protein kinase (AMPK) and acetyl-CoA carboxylase (ACC) in both liver and EAT. These results demonstrated that DPHC effectively prevented HFD-induced obesity and suggested that DPHC could be used as a potential therapeutic agent for attenuating obesity and obesity-related diseases.
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Affiliation(s)
- Yuling Ding
- Department of Pharmaceutical Engineering, Soonchunhyang University, Asan 31538, Korea; (Y.D.); (S.I.); (O.H.)
| | - Lei Wang
- Department of Marine Life Sciences, Jeju National University, Jeju Self-Governing Province 63243, Korea;
- Marine Science Institute, Jeju National University, Jeju Self-Governing Province 63333, Korea
| | - SeungTae Im
- Department of Pharmaceutical Engineering, Soonchunhyang University, Asan 31538, Korea; (Y.D.); (S.I.); (O.H.)
| | - Ouibo Hwang
- Department of Pharmaceutical Engineering, Soonchunhyang University, Asan 31538, Korea; (Y.D.); (S.I.); (O.H.)
| | - Hyun-Soo Kim
- Department of Applied Research, National Marine Biodiversity Institute of Korea, Seochun 33662, Korea;
| | - Min-Cheol Kang
- Research Group of Food Processing, Korea Food Research Institute, Wanju 55365, Korea
| | - Seung-Hong Lee
- Department of Pharmaceutical Engineering, Soonchunhyang University, Asan 31538, Korea; (Y.D.); (S.I.); (O.H.)
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