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Fei Z, Xu Y, Zhang G, Liu Y, Li H, Chen L. Natural products with potential hypoglycemic activity in T2DM: 2019-2023. PHYTOCHEMISTRY 2024; 223:114130. [PMID: 38714289 DOI: 10.1016/j.phytochem.2024.114130] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/02/2023] [Revised: 04/22/2024] [Accepted: 05/02/2024] [Indexed: 05/09/2024]
Abstract
As currently the most common metabolic disease, type 2 diabetes mellitus (T2DM) has shown a continuous increase in the number of patients in recent decades. Most anti-T2DM drugs tend to cause some side effects. Given the pathogenesis of T2DM, natural products have emerged as an important source of anti-T2DM drugs. This article reviews natural products with potential hypoglycemic activity from 2019 to 2023. A total of 200 previously natural products were discovered on SciFinder, PubMed and Web of Science. These products were categorized based on their structural frameworks and their biological activities were summarized. Although the mechanisms of action of most compounds are unclear, these compounds could still serve as candidates for the development of lead compounds. Therefore, further structure and activity research of natural products will significantly contribute to the development of potential anti-T2DM drugs.
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Affiliation(s)
- Zhang Fei
- Wuya College of Innovation, Key Laboratory of Structure-Based Drug Design & Discovery, Ministry of Education, Shenyang Pharmaceutical University, Shenyang, 110016, China
| | - Yang Xu
- Wuya College of Innovation, Key Laboratory of Structure-Based Drug Design & Discovery, Ministry of Education, Shenyang Pharmaceutical University, Shenyang, 110016, China
| | - Guoyu Zhang
- Wuya College of Innovation, Key Laboratory of Structure-Based Drug Design & Discovery, Ministry of Education, Shenyang Pharmaceutical University, Shenyang, 110016, China
| | - Yang Liu
- Wuya College of Innovation, Key Laboratory of Structure-Based Drug Design & Discovery, Ministry of Education, Shenyang Pharmaceutical University, Shenyang, 110016, China
| | - Hua Li
- Wuya College of Innovation, Key Laboratory of Structure-Based Drug Design & Discovery, Ministry of Education, Shenyang Pharmaceutical University, Shenyang, 110016, China; Institute of Structural Pharmacology & TCM Chemical Biology, Fujian Key Laboratory of Chinese Materia Medica, College of Pharmacy, Fujian University of Traditional Chinese Medicine, Fuzhou, 350122, China.
| | - Lixia Chen
- Wuya College of Innovation, Key Laboratory of Structure-Based Drug Design & Discovery, Ministry of Education, Shenyang Pharmaceutical University, Shenyang, 110016, China.
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2
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Truong Nguyen H, Duong TH, Dang MK, Pham MDT, Pham NKT, Tri Mai D, Son Dang V, Nguyen NH, Sichaem J. Two New Benzoquinone Derivatives from Vietnamese Knema globularia Stems. Chem Biodivers 2024; 21:e202400380. [PMID: 38498616 DOI: 10.1002/cbdv.202400380] [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: 02/13/2024] [Revised: 03/16/2024] [Accepted: 03/18/2024] [Indexed: 03/20/2024]
Abstract
The chemical investigation of the stems of Knema globularia led to the isolation of two new benzoquinones derivatives, embenones A and B (1 and 2), along with three known compounds (3-5). The structures of the isolated compounds were determined using spectroscopic techniques, including HRESIMS, 1D and 2D NMR, in conjunction with comparison to existing literature data. Compounds 1 and 2 represent new carbon skeletons in nature. Furthermore, all isolated compounds were evaluated for their α-glucosidase inhibitory activity, with compounds 1-3 exhibiting superior potency relative to the positive control (acarbose, IC50 331 μM). Their IC50 values ranged from 1.40 to 96.1 μM.
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Affiliation(s)
- Huy Truong Nguyen
- Faculty of Pharmacy, Ton Duc Thang University, Ho Chi Minh City, 700000, Vietnam
| | - Thuc-Huy Duong
- Department of Chemistry, Ho Chi Minh City University of Education, 280 An Duong Vuong Street, District 5, Ho Chi Minh City, 748342, Vietnam
| | - Minh-Khai Dang
- Department of Chemistry, Ho Chi Minh City University of Education, 280 An Duong Vuong Street, District 5, Ho Chi Minh City, 748342, Vietnam
| | - Mai-Dang-Truong Pham
- Department of Chemistry, Ho Chi Minh City University of Education, 280 An Duong Vuong Street, District 5, Ho Chi Minh City, 748342, Vietnam
| | - Nguyen-Kim-Tuyen Pham
- Faculty of Environment, Sai Gon University, 273 An Duong Vuong, Ward 3, District 5, Ho Chi Minh City, 70000, Vietnam
| | - Dinh Tri Mai
- Graduate University of Science and Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Hanoi, 11300, Vietnam
- Institute of Chemical Technology, Vietnam Academy of Science and Technology, 1 A TL29 Street, Thanh Loc ward, District 12, Ho Chi Minh City, 700000, Vietnam
| | - Van Son Dang
- Graduate University of Science and Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Hanoi, 11300, Vietnam
- Institute of Tropical Biology, Vietnam Academy of Science and Technology, 85 Tran Quoc Toan Street, District 3, Ho Chi Minh City, 700000, Vietnam
| | - Ngoc-Hong Nguyen
- CirTech Institute, HUTECH University, 475 A Dien Bien Phu Street, Binh Thanh District, Ho Chi Minh City, 70000, Vietnam
| | - Jirapast Sichaem
- Research Unit in Natural Products Chemistry and Bioactivities, Faculty of Science and Technology, Thammasat University Lampang Campus, Lampang, 52190, Thailand
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3
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Le TKD, Hioki Y, Duong TH, Kita M, Chavasiri W. Globunoids A-D, undescribed bichalconoid and biflavanoids with α-glucosidase and α-amylase inhibitory activities from Knema globularia stems. PHYTOCHEMISTRY 2024; 221:114066. [PMID: 38494085 DOI: 10.1016/j.phytochem.2024.114066] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/24/2023] [Revised: 03/11/2024] [Accepted: 03/14/2024] [Indexed: 03/19/2024]
Abstract
A bichalconoid, globunoid A (1) and three biflavanones, globunoids B-D (2-4), previously undescribed, were isolated from the stems of Knema globularia, along with fourteen known analogues 5-18. The chemical structures of 1-4 were elucidated by the comprehensive spectroscopic analysis including UV, IR, HRESIMS, and NMR; the absolute configurations were determined based on their NOESY data, DP4+ statistical analysis, and ECD calculation. Up to now, compounds 2 and 3 represent the first 3,3″-linked biflavanone structures. Among the isolated compounds, 2, 3, and 2,3-dihydrocalodenin B (6) potently inhibited α-glucosidase and α-amylase activities, with IC50 values in the range 1.1-7.5 μM. Furthermore, the most active compound 6 was found to be a non-competitive inhibitor against these two enzymes.
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Affiliation(s)
- Thi-Kim-Dung Le
- Center of Excellence in Natural Products Chemistry, Department of Chemistry, Chulalongkorn University, Pathumwan, Bangkok, 10330, Thailand
| | - Yusuke Hioki
- Graduate School of Bioagricultural Sciences, Nagoya University, Nagoya, 464-8601, Japan
| | - Thuc-Huy Duong
- Department of Chemistry, Ho Chi Minh City University of Education, 280 an Duong Vuong Street, District 5, Ho Chi Minh City, 748342, Viet Nam
| | - Masaki Kita
- Graduate School of Bioagricultural Sciences, Nagoya University, Nagoya, 464-8601, Japan
| | - Warinthorn Chavasiri
- Center of Excellence in Natural Products Chemistry, Department of Chemistry, Chulalongkorn University, Pathumwan, Bangkok, 10330, Thailand; Nanotec-CU Center of Excellence on Food and Agriculture, Department of Chemistry, Chulalongkorn University, Bangkok, 10330, Thailand.
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4
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Li Y, Wang X, Guo X, Wei L, Cui H, Wei Q, Cai J, Zhao Z, Dong J, Wang J, Liu J, Xia Z, Hu Z. Rapid screening of the novel bioactive peptides with notable α-glucosidase inhibitory activity by UF-LC-MS/MS combined with three-AI-tool from black beans. Int J Biol Macromol 2024; 266:130982. [PMID: 38522693 DOI: 10.1016/j.ijbiomac.2024.130982] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2024] [Revised: 03/15/2024] [Accepted: 03/16/2024] [Indexed: 03/26/2024]
Abstract
This work aimed to propose a rapid method to screen the bioactive peptides with anti-α-glucosidase activity instead of traditional multiple laborious purification and identification procedures. 242 peptides binding to α-glycosidase were quickly screened and identified by bio-affinity ultrafiltration combined with LC-MS/MS from the double enzymatic hydrolysate of black beans. Top three peptides with notable anti-α-glucosidase activity, NNNPFKF, RADLPGVK and FLKEAFGV were further rapidly screened and ranked by the three artificial intelligence tools (three-AI-tool) BIOPEP database, PeptideRanker and molecular docking from the 242 peptides. Their IC50 values were in order as 4.20 ± 0.11 mg/mL, 2.83 ± 0.03 mg/mL, 1.32 ± 0.09 mg/mL, which was opposite to AI ranking, for the hydrophobicity index of the peptides was not included in the screening criteria. According to the kinetics, FT-IR, CD and ITC analyses, the binding of the three peptides to α-glucosidase is a spontaneous and irreversible endothermic reaction that results from hydrogen bonds and hydrophobic interactions, which mainly changes the α-helix structure of α-glucosidase. The peptide-activity can be evaluated vividly by AFM in vitro. In vivo, the screened FLKEAFGV and RADLPGVK can lower blood sugar levels as effectively as acarbose, they are expected to be an alternative to synthetic drugs for the treatment of Type 2 diabetes.
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Affiliation(s)
- Yuancheng Li
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China; Laboratory of Quality & Safety Risk Assessment for Agro-products (Yangling), Ministry of Agriculture and Rural Affairs of the People's Republic of China, Yangling 712100, Shaanxi, China
| | - Xinlei Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China; Laboratory of Quality & Safety Risk Assessment for Agro-products (Yangling), Ministry of Agriculture and Rural Affairs of the People's Republic of China, Yangling 712100, Shaanxi, China
| | - Xumeng Guo
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China; Laboratory of Quality & Safety Risk Assessment for Agro-products (Yangling), Ministry of Agriculture and Rural Affairs of the People's Republic of China, Yangling 712100, Shaanxi, China
| | - Lulu Wei
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China; Laboratory of Quality & Safety Risk Assessment for Agro-products (Yangling), Ministry of Agriculture and Rural Affairs of the People's Republic of China, Yangling 712100, Shaanxi, China
| | - Haichen Cui
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China; Laboratory of Quality & Safety Risk Assessment for Agro-products (Yangling), Ministry of Agriculture and Rural Affairs of the People's Republic of China, Yangling 712100, Shaanxi, China
| | - Qingkai Wei
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China; Laboratory of Quality & Safety Risk Assessment for Agro-products (Yangling), Ministry of Agriculture and Rural Affairs of the People's Republic of China, Yangling 712100, Shaanxi, China
| | - Jingyi Cai
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China; Laboratory of Quality & Safety Risk Assessment for Agro-products (Yangling), Ministry of Agriculture and Rural Affairs of the People's Republic of China, Yangling 712100, Shaanxi, China
| | - Zhihui Zhao
- Ningxiahong Gouqi Industry Company Limited, Zhongwei 755100, China
| | - Jianfang Dong
- Ningxiahong Gouqi Industry Company Limited, Zhongwei 755100, China
| | - Jiashu Wang
- Ningxiahong Gouqi Industry Company Limited, Zhongwei 755100, China
| | - Jianhua Liu
- Ningxiahong Gouqi Industry Company Limited, Zhongwei 755100, China
| | - Zikun Xia
- Hanyin County Inspection and Testing Center, China
| | - Zhongqiu Hu
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China; Laboratory of Quality & Safety Risk Assessment for Agro-products (Yangling), Ministry of Agriculture and Rural Affairs of the People's Republic of China, Yangling 712100, Shaanxi, China.
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Le TKD, Duong TH, Chavasiri W. Three new constituents from the stems of Knema globularia and their α-glucosidase inhibitory activity. Nat Prod Res 2024:1-9. [PMID: 38613424 DOI: 10.1080/14786419.2024.2341994] [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: 02/11/2024] [Accepted: 04/03/2024] [Indexed: 04/15/2024]
Abstract
Three new metabolites (1-3) were isolated from the stems of Knema globularia, along with five known compounds, including kaempferol (4), quercetin (5), isovanillic acid (6), protocatechuic acid (7), and gallic acid (8). Their structures were deduced using NMR spectroscopic, mass spectrometric analyses, and literature data. The absolute configurations of 1-3 were established by electronic circular dichroism (ECD) spectroscopy. α-Glucosidase inhibitory activities of those compounds were evaluated using a spectrophotometric method, compounds 1-3 showed very strong effects towards α-glucosidase with IC50 values 1.59, 0.58 and 1.37 µM, respectively (the positive control, acarbose, IC50 93.63 µM). Simultaneously, enzyme kinetics study indicated that 2 was a mix-type inhibitor. 2 interacted well in the active site of α-glucosidase enzyme, primarily through hydrogen bonds and hydrophobic interactions.
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Affiliation(s)
- Thi-Kim-Dung Le
- Laboratory of Biophysics, Institute for Advanced Study in Technology, Ton Duc Thang University, Ho Chi Minh City, Vietnam
- Faculty of Pharmacy, Ton Duc Thang University, Ho Chi Minh City, Vietnam
| | - Thuc-Huy Duong
- Department of Chemistry, Ho Chi Minh City University of Education, Ho Chi Minh City, Vietnam
| | - Warinthorn Chavasiri
- Center of Excellence in Natural Products Chemistry, Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok, Thailand
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Idowu O, Sukandar ER, Nguyen DV, Mulya F, Parasuk V, Wonganan P, Chavasiri W, Thiraphibundet P. Two new rotenoid glycosides from the rhizomes of Stemona curtisii Hook. f. Nat Prod Res 2024:1-11. [PMID: 38189341 DOI: 10.1080/14786419.2023.2301474] [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: 09/12/2023] [Accepted: 12/28/2023] [Indexed: 01/09/2024]
Abstract
Two new rotenoid glycosides named stemonal 11-O-β-D-glucopyranoside and 6-O-methylstemonal 11-O-β-D-glucopyranoside together with ten known metabolites were isolated from the rhizomes of Stemona curtisii. The chemical structures of the new compounds were elucidated based on the analysis of their 1D and 2D NMR and HRESIMS, while the sugar unit and absolute configuration were determined by chemical hydrolysis and ECD analysis. Among the tested compounds for anti-α-glucosidase assay, stemonal showed an inhibitory effect (IC50 = 38.67 µM), which is 2.4-fold more potent than acarbose. Cytotoxic evaluation against the lung adenocarcinoma A549 cell line indicated that none of the compounds were strongly active to suppress the cancer cell growth at 100 µM. This work describes the occurrence of rotenoids bearing a sugar moiety, which are reported for the first time in the genus Stemona. The isolated compound's α-glucosidase inhibitory potential provides insight for further investigation of natural rotenoids as anti-diabetic agents.
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Affiliation(s)
- Olusola Idowu
- Center of Excellence in Natural Products Chemistry, Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok, Thailand
| | - Edwin R Sukandar
- Center of Excellence in Natural Products Chemistry, Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok, Thailand
| | - Duy Vu Nguyen
- Center of Excellence in Natural Products Chemistry, Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok, Thailand
| | - Fadjar Mulya
- Department of Engineering, Faculty of Advanced Technology and Multidiscipline, Universitas Airlangga, Surabaya, Indonesia
| | - Vudhichai Parasuk
- Center of Excellence in Computational Chemistry, Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok, Thailand
| | - Piyanuch Wonganan
- Department of Pharmacology, Faculty of Medicine, Chulalongkorn University, Pathumwan, Bangkok, Thailand
| | - Warinthorn Chavasiri
- Center of Excellence in Natural Products Chemistry, Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok, Thailand
| | - Pattara Thiraphibundet
- Center of Excellence in Natural Products Chemistry, Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok, Thailand
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7
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Nguyen NH, Vu YT, Nguyen TD, Cao TT, Nguyen HT, Le TKD, Sichaem J, Mai DT, Minh An TN, Duong TH. Bio-guided isolation of alpha-glucosidase inhibitory compounds from Vietnamese Garcinia schomburgkiana fruits: in vitro and in silico studies. RSC Adv 2023; 13:35408-35421. [PMID: 38053690 PMCID: PMC10694853 DOI: 10.1039/d3ra06760b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Accepted: 11/28/2023] [Indexed: 12/07/2023] Open
Abstract
Garcinia schomburgkiana is an edible tree widely distributed in the southern region of Vietnam. Little is known about the alpha-glucosidase inhibition of the Vietnamese Garcinia schomburgkiana. The aim of the current study was to explore the anti-diabetic potential of G. schomburgkiana fruits. All the fractions of G. schomburgkiana were evaluated for alpha-glucosidase inhibition, followed by bioassay-guided isolation. A new compound, epi-guttiferone Q (1), together with ten known compounds, guttiferones I-K (2-3), hypersampsone I (4), sampsonione D (5), sampsonione H (6), β-mangostin (7), α-mangostin (8), 9-hydroxycalabaxanthone (9), and fuscaxanthone (10), were isolated and structurally elucidated. The structure of the new metabolite 1 was confirmed through 1D and 2D NMR spectroscopy, and MS analysis. To the best of our knowledge, the metabolites (except 3) have not been isolated from this plant previously. All isolated compounds were evaluated for their alpha-glucosidase inhibition. Compounds 1-6 showed potent activity with IC50 values ranging from 16.2 to 130.6 μM. Compound 2 was further selected for a kinetic study. The result indicated that it was a competitive type. Additionally, in silico docking was employed to predict the binding mechanism of 1-2 and 4-6 in the active site of alpha-glucosidase, suggesting their potential as promising anti-diabetic compounds. Molecular dynamic simulation was also applied to 1 to better understand its inhibitory mechanism.
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Affiliation(s)
- Ngoc-Hong Nguyen
- CirTech Institute, HUTECH University 475 A Dien Bien Phu Street Binh Thanh District Ho Chi Minh City 700000 Vietnam
| | - Y Thien Vu
- Faculty of Pharmacy, Ton Duc Thang University Ho Chi Minh City 700000 Vietnam
| | - Tuan-Dat Nguyen
- Department of Chemistry, Ho Chi Minh City University of Education Ho Chi Minh City 700000 Vietnam
| | - Truong-Tam Cao
- Department of Chemistry, Ho Chi Minh City University of Education Ho Chi Minh City 700000 Vietnam
| | - Huy Truong Nguyen
- Faculty of Pharmacy, Ton Duc Thang University Ho Chi Minh City 700000 Vietnam
| | - Thi-Kim-Dung Le
- Faculty of Pharmacy, Ton Duc Thang University Ho Chi Minh City 700000 Vietnam
- Laboratory of Biophysics, Institute for Advanced Study in Technology, Ton Duc Thang University Ho Chi Minh City 700000 Vietnam
| | - Jirapast Sichaem
- Research Unit in Natural Products Chemistry and Bioactivities, Faculty of Science and Technology, Thammasat University Lampang Campus Lampang 52190 Thailand
| | - Dinh-Tri Mai
- Graduate University of Science and Technology, Vietnam Academy of Science and Technology 18 Hoang Quoc Viet, Cau Giay Hanoi Vietnam
- Institute of Chemical Technology, Vietnam Academy of Science and Technology 1A TL29 Street, Thanh Loc ward, District 12 Ho Chi Minh City 700000 Vietnam
| | - Tran Nguyen Minh An
- Faculty of Chemical Engineering, Industrial University of Ho Chi Minh City 12 Nguyen Van Bao street, Ward 4, Go Vap District Ho Chi Minh City 700000 Vietnam
| | - Thuc-Huy Duong
- Department of Chemistry, Ho Chi Minh City University of Education Ho Chi Minh City 700000 Vietnam
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Kalinovskii AP, Sintsova OV, Gladkikh IN, Leychenko EV. Natural Inhibitors of Mammalian α-Amylases as Promising Drugs for the Treatment of Metabolic Diseases. Int J Mol Sci 2023; 24:16514. [PMID: 38003703 PMCID: PMC10671682 DOI: 10.3390/ijms242216514] [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: 10/06/2023] [Revised: 11/07/2023] [Accepted: 11/13/2023] [Indexed: 11/26/2023] Open
Abstract
α-Amylase is a generally acknowledged molecular target of a distinct class of antidiabetic drugs named α-glucosidase inhibitors. This class of medications is scarce and rather underutilized, and treatment with current commercial drugs is accompanied by unpleasant adverse effects. However, mammalian α-amylase inhibitors are abundant in nature and form an extensive pool of high-affinity ligands that are available for drug discovery. Individual compounds and natural extracts and preparations are promising therapeutic agents for conditions associated with impaired starch metabolism, e.g., diabetes mellitus, obesity, and other metabolic disorders. This review focuses on the structural diversity and action mechanisms of active natural products with inhibitory activity toward mammalian α-amylases, and emphasizes proteinaceous inhibitors as more effective compounds with significant potential for clinical use.
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Affiliation(s)
- Aleksandr P. Kalinovskii
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow 117997, Russia
| | - Oksana V. Sintsova
- G.B. Elyakov Pacific Institute of Bioorganic Chemistry, Far Eastern Branch, Russian Academy of Sciences, Vladivostok 690022, Russia; (O.V.S.); (I.N.G.)
| | - Irina N. Gladkikh
- G.B. Elyakov Pacific Institute of Bioorganic Chemistry, Far Eastern Branch, Russian Academy of Sciences, Vladivostok 690022, Russia; (O.V.S.); (I.N.G.)
| | - Elena V. Leychenko
- G.B. Elyakov Pacific Institute of Bioorganic Chemistry, Far Eastern Branch, Russian Academy of Sciences, Vladivostok 690022, Russia; (O.V.S.); (I.N.G.)
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9
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Lu H, Xie T, Wu Q, Hu Z, Luo Y, Luo F. Alpha-Glucosidase Inhibitory Peptides: Sources, Preparations, Identifications, and Action Mechanisms. Nutrients 2023; 15:4267. [PMID: 37836551 PMCID: PMC10574726 DOI: 10.3390/nu15194267] [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: 09/18/2023] [Revised: 09/29/2023] [Accepted: 10/03/2023] [Indexed: 10/15/2023] Open
Abstract
With the change in people's lifestyle, diabetes has emerged as a chronic disease that poses a serious threat to human health, alongside tumor, cardiovascular, and cerebrovascular diseases. α-glucosidase inhibitors, which are oral drugs, have proven effective in preventing and managing this disease. Studies have suggested that bioactive peptides could serve as a potential source of α-glucosidase inhibitors. These peptides possess certain hypoglycemic activity and can effectively regulate postprandial blood glucose levels by inhibiting α-glucosidase activity, thus intervening and regulating diabetes. This paper provides a systematic summary of the sources, isolation, purification, bioavailability, and possible mechanisms of α-glucosidase inhibitory peptides. The sources of the α-glucosidase inhibitory peptides were introduced with emphasis on animals, plants, and microorganisms. This paper also points out the problems in the research process of α-glucosidase inhibitory peptide, with a view to providing certain theoretical support for the further study of this peptide.
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Affiliation(s)
- Han Lu
- Hunan Key Laboratory of Grain-Oil Deep Process and Quality Control, Central South University of Forestry and Technology, Changsha 410004, China; (H.L.); (T.X.); (Q.W.); (Z.H.)
| | - Tiantian Xie
- Hunan Key Laboratory of Grain-Oil Deep Process and Quality Control, Central South University of Forestry and Technology, Changsha 410004, China; (H.L.); (T.X.); (Q.W.); (Z.H.)
- Hunan Key Laboratory of Forestry Edible Resources Safety and Processing, Central South University of Forestry and Technology, Changsha 410004, China
| | - Qi Wu
- Hunan Key Laboratory of Grain-Oil Deep Process and Quality Control, Central South University of Forestry and Technology, Changsha 410004, China; (H.L.); (T.X.); (Q.W.); (Z.H.)
| | - Zuomin Hu
- Hunan Key Laboratory of Grain-Oil Deep Process and Quality Control, Central South University of Forestry and Technology, Changsha 410004, China; (H.L.); (T.X.); (Q.W.); (Z.H.)
| | - Yi Luo
- Department of Gastroenterology, Xiangya School of Medicine, Central South University, Changsha 410008, China;
| | - Feijun Luo
- Hunan Key Laboratory of Grain-Oil Deep Process and Quality Control, Central South University of Forestry and Technology, Changsha 410004, China; (H.L.); (T.X.); (Q.W.); (Z.H.)
- Hunan Key Laboratory of Forestry Edible Resources Safety and Processing, Central South University of Forestry and Technology, Changsha 410004, China
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10
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Long XX, Zhang S, Xiang LJ, Hu RH, Feng TT, Zhou Y, Yin X. Grevillosides R-S: glucosides of 5-alkylresorcinol derivatives from roots of Ardisia crispa (Thunb.) A. DC. Nat Prod Res 2023:1-6. [PMID: 37715301 DOI: 10.1080/14786419.2023.2258545] [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: 05/17/2023] [Revised: 08/22/2023] [Accepted: 09/07/2023] [Indexed: 09/17/2023]
Abstract
Grevillosides R-S (1-2), two new glucosides of 5-alkylresorcinol derivatives, were isolated from the roots of Ardisia crispa (Thunb.) A. DC. The structures of grevillosides R-S (1-2) were determined by 1D and 2D NMR, HR-MS, UV, IR experiments and by comparison of their spectroscopic and physical data with literature values. In this paper, grevillosides R-S (1-2) were tested for their radical-scavenging activity (DPPH and ABTS) and α-glucosidase inhibitory activity in vitro. Grevillosides R-S (1-2) exhibited weak DPPH radical-scavenging activity with IC50 values of 72.3 and 485.2 μM, respectively. Grevillosides R-S (1-2) exhibited no inhibitory activity against α-glucosidase.
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Affiliation(s)
- Xing-Xiang Long
- College of Pharmacy, Guizhou University of Traditional Chinese Medicine, Guiyang, P. R. China
| | - Shuang Zhang
- College of Pharmacy, Guizhou University of Traditional Chinese Medicine, Guiyang, P. R. China
| | - Li-Juan Xiang
- College of Pharmacy, Guizhou University of Traditional Chinese Medicine, Guiyang, P. R. China
| | - Rui-Hang Hu
- College of Pharmacy, Guizhou University of Traditional Chinese Medicine, Guiyang, P. R. China
| | - Ting-Ting Feng
- College of Pharmacy, Guizhou University of Traditional Chinese Medicine, Guiyang, P. R. China
| | - Ying Zhou
- College of Pharmacy, Guizhou University of Traditional Chinese Medicine, Guiyang, P. R. China
| | - Xin Yin
- College of Pharmacy, Guizhou University of Traditional Chinese Medicine, Guiyang, P. R. China
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Rashid RSM, Temurlu S, Abourajab A, Karsili P, Dinleyici M, Al-Khateeb B, Icil H. Drug Repurposing of FDA Compounds against α-Glucosidase for the Treatment of Type 2 Diabetes: Insights from Molecular Docking and Molecular Dynamics Simulations. Pharmaceuticals (Basel) 2023; 16:ph16040555. [PMID: 37111312 PMCID: PMC10145898 DOI: 10.3390/ph16040555] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2023] [Revised: 03/24/2023] [Accepted: 03/27/2023] [Indexed: 04/29/2023] Open
Abstract
Type 2 diabetes mellitus is a chronic health problem that can be controlled by slowing one's carbohydrate metabolism by inhibiting α-glucosidase, an enzyme responsible for carbohydrate degradation. Currently, drugs for type 2 diabetes have limitations in terms of safety, efficiency, and potency, while cases are rapidly increasing. For this reason, the study planned and moved towards drug repurposing by utilizing food and drug administration (FDA)-approved drugs against α-glucosidase, and investigated the molecular mechanisms. The target protein was refined and optimized by introducing missing residues, and minimized to remove clashes to find the potential inhibitor against α-glucosidase. The most active compounds were selected after the docking study to generate a pharmacophore query for the virtual screening of FDA-approved drug molecules based on shape similarity. The analysis was performed using Autodock Vina (ADV)-based on binding affinities (-8.8 kcal/mol and -8.6 kcal/mol) and root-mean-square-deviation (RMSD) values (0.4 Å and 0.6 Å). Two of the most potent lead compounds were selected for a molecular dynamics (MD) simulation to determine the stability and specific interactions between receptor and ligand. The docking score, RMSD values, pharmacophore studies, and MD simulations revealed that two compounds, namely Trabectedin (ZINC000150338708) and Demeclocycline (ZINC000100036924), are potential inhibitors for α-glucosidase compared to standard inhibitors. These predictions showed that the FDA-approved molecules Trabectedin and Demeclocycline are potential suitable candidates for repurposing against type 2 diabetes. The in vitro studies showed that trabectedin was significantly effective with an IC50 of 1.263 ± 0.7 μM. Further investigation in the laboratory is needed to justify the safety of the drug to be used in vivo.
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Affiliation(s)
- Rebwar Saeed M Rashid
- Department of Chemistry, Faculty of Arts and Science, Eastern Mediterranean University, Famagusta 99628, Northern Cyprus, Mersin 10, Turkey
- Department of Chemistry, Faculty of Education, University of Sulaimani, Sulaymaniyah 46001, Iraq
| | - Selin Temurlu
- Department of Chemistry, Faculty of Arts and Science, Eastern Mediterranean University, Famagusta 99628, Northern Cyprus, Mersin 10, Turkey
| | - Arwa Abourajab
- Department of Chemistry, Faculty of Arts and Science, Eastern Mediterranean University, Famagusta 99628, Northern Cyprus, Mersin 10, Turkey
| | - Pelin Karsili
- Department of Chemistry, Faculty of Arts and Science, Eastern Mediterranean University, Famagusta 99628, Northern Cyprus, Mersin 10, Turkey
| | - Meltem Dinleyici
- Department of Chemistry, Faculty of Arts and Science, Eastern Mediterranean University, Famagusta 99628, Northern Cyprus, Mersin 10, Turkey
| | - Basma Al-Khateeb
- Department of Chemistry, Faculty of Arts and Science, Eastern Mediterranean University, Famagusta 99628, Northern Cyprus, Mersin 10, Turkey
| | - Huriye Icil
- Department of Chemistry, Faculty of Arts and Science, Eastern Mediterranean University, Famagusta 99628, Northern Cyprus, Mersin 10, Turkey
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Polbuppha I, Teerapongpisan P, Phukhatmuen P, Suthiphasilp V, Maneerat T, Charoensup R, Andersen RJ, Laphookhieo S. Alkaloids and Styryl lactones from Goniothalamus ridleyi King and Their α-Glucosidase Inhibitory Activity. Molecules 2023; 28:molecules28031158. [PMID: 36770823 PMCID: PMC9918889 DOI: 10.3390/molecules28031158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Revised: 01/11/2023] [Accepted: 01/20/2023] [Indexed: 01/26/2023] Open
Abstract
Gonioridleylactam (1), a new compound, is a unique dimeric aristolactam isolated from the EtOAc extract of the twigs of Goniothalamus ridleyi King. The structure of gonioridleylactam (1) consists of two different aristolactams linked together with two methylenedioxy bridges at C-3/C-3' and C-4/C-4', generating a ten-membered ring of [1,3,6,8]tetraoxecine. A new natural product, gonioridleyindole (3-hydroxymethyl-1-methyl-1H-benz[f]indole-4,9-dione, 2), together with eight known compounds (3-10) were also isolated from this plant. Their structures were extensively characterized by spectroscopic methods and comparisons were made with the literature. Compounds 1-4, 7, and 9 were evaluated for their α-glucosidase inhibitory activity. Of these, 3,5-demethoxypiperolide (7) displayed the highest α-glucosidase inhibitory activity, with an IC50 value of 1.25 µM.
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Affiliation(s)
- Isaraporn Polbuppha
- Center of Chemical Innovation for Sustainability (CIS) and School of Science, Mae Fah Luang University, Chiang Rai 57100, Thailand
| | - Passakorn Teerapongpisan
- Center of Chemical Innovation for Sustainability (CIS) and School of Science, Mae Fah Luang University, Chiang Rai 57100, Thailand
| | - Piyaporn Phukhatmuen
- Center of Chemical Innovation for Sustainability (CIS) and School of Science, Mae Fah Luang University, Chiang Rai 57100, Thailand
| | - Virayu Suthiphasilp
- Department of Industrial Technology and Innovation Management, Faculty of Science and Technology, Pathumwan Institute of Technology, Bangkok 10330, Thailand
| | - Tharakorn Maneerat
- Center of Chemical Innovation for Sustainability (CIS) and School of Science, Mae Fah Luang University, Chiang Rai 57100, Thailand
- Medicinal Plant Innovation Center, Mae Fah Luang University, Chiang Rai 57100, Thailand
| | - Rawiwan Charoensup
- Medicinal Plant Innovation Center, Mae Fah Luang University, Chiang Rai 57100, Thailand
- School of Integrative Medicine, Mae Fah Luang University, Chiang Rai 57100, Thailand
| | - Raymond J. Andersen
- Department of Chemistry and Department of Earth, Ocean & Atmospheric Sciences, University of British Columbia, 2036, Main Mall, Vancouver, BC V6T 1Z1, Canada
- Correspondence: (R.J.A.); (S.L.)
| | - Surat Laphookhieo
- Center of Chemical Innovation for Sustainability (CIS) and School of Science, Mae Fah Luang University, Chiang Rai 57100, Thailand
- Medicinal Plant Innovation Center, Mae Fah Luang University, Chiang Rai 57100, Thailand
- Correspondence: (R.J.A.); (S.L.)
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Kashtoh H, Baek KH. Recent Updates on Phytoconstituent Alpha-Glucosidase Inhibitors: An Approach towards the Treatment of Type Two Diabetes. PLANTS (BASEL, SWITZERLAND) 2022; 11:plants11202722. [PMID: 36297746 PMCID: PMC9612090 DOI: 10.3390/plants11202722] [Citation(s) in RCA: 32] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Revised: 10/07/2022] [Accepted: 10/11/2022] [Indexed: 06/01/2023]
Abstract
Diabetes is a common metabolic disorder marked by unusually high plasma glucose levels, which can lead to serious consequences such as retinopathy, diabetic neuropathy and cardiovascular disease. One of the most efficient ways to reduce postprandial hyperglycemia (PPHG) in diabetes mellitus, especially insulin-independent diabetes mellitus, is to lower the amount of glucose that is absorbed by inhibiting carbohydrate hydrolyzing enzymes in the digestive system, such as α-glucosidase and α-amylase. α-Glucosidase is a crucial enzyme that catalyzes the final stage of carbohydrate digestion. As a result, α-glucosidase inhibitors can slow D-glucose release from complex carbohydrates and delay glucose absorption, resulting in lower postprandial plasma glucose levels and control of PPHG. Many attempts have been made in recent years to uncover efficient α-glucosidase inhibitors from natural sources to build a physiologic functional diet or lead compound for diabetes treatment. Many phytoconstituent α-glucosidase inhibitors have been identified from plants, including alkaloids, flavonoids, anthocyanins, terpenoids, phenolic compounds, glycosides and others. The current review focuses on the most recent updates on different traditional/medicinal plant extracts and isolated compounds' biological activity that can help in the development of potent therapeutic medications with greater efficacy and safety for the treatment of type 2 diabetes or to avoid PPHG. For this purpose, we provide a summary of the latest scientific literature findings on plant extracts as well as plant-derived bioactive compounds as potential α-glucosidase inhibitors with hypoglycemic effects. Moreover, the review elucidates structural insights of the key drug target, α-glucosidase enzymes, and its interaction with different inhibitors.
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Synthesis of 4-thiosubstituted flavan derivatives and their hypoglycemic activities. Fitoterapia 2022; 161:105255. [PMID: 35907488 DOI: 10.1016/j.fitote.2022.105255] [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: 06/09/2022] [Revised: 07/14/2022] [Accepted: 07/17/2022] [Indexed: 11/22/2022]
Abstract
A series of 4-thiosubstituted flavan derivatives (1-44) were designed and synthesized. The target compounds were assayed for inhibitory activity against α-glucosidase in vitro, and the results indicated that all compounds displayed significant effects in the range of IC50 = 1.03-7.48 μM compared to that of acarbose, the positive control drug. Structure-activity relationship (SAR) studies indicated that the hydroxyl groups in the flavan B ring, the electron withdrawing groups, and the length of the alkyl chains are important for this biological activity. In addition, some compounds were tested for their tolerance to sucrose in mice, and compound 44 exhibited activity comparable to that of acarbose. Docking analysis indicated that compound 44 binds to the enzyme in a pocket close to the catalytic site, similar to acarbose.
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Thinh BB, Khoi NT, Doudkin RV, Thin DB, Ogunwande IA. Chemical composition of essential oil and antioxidant activity of the essential oil and methanol extracts of Knema globularia (Lam.) Warb. from Vietnam. Nat Prod Res 2022; 37:1625-1631. [PMID: 35876169 DOI: 10.1080/14786419.2022.2103698] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
Abstract
This study is the first to investigate the chemical composition of essential oil and antioxidant activity of the essential oil and methanol extracts from the leaves of Knema globularia (Lam.) Warb. from Vietnam. According to gas chromatography and gas chromatography-mass spectrometry analysis, the major constituents of K. globularia essential oil were β-elemene (25.48%), α-copaene (17.05%), β-caryophyllene (9.37%), and α-humulene (8.42%). The antioxidant activity of the samples was determined using DPPH and ABTS methods. In both assays, the polar subfraction of the methanolic extract showed better antioxidative capacity than the nonpolar subfraction and the essential oil. In addition, the amounts of total phenol value in the polar subfraction and the nonpolar subfraction were determined to be 113.84 μg/mg and 47.52 μg/mg, respectively. The findings demonstrate that the essential oil and methanol extracts of K. globularia possess significant antioxidant activities and may be a new potential source of natural antioxidants.
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Affiliation(s)
- Bui B. Thinh
- Faculty of Natural Sciences, Hong Duc University, Thanh Hoa city, Vietnam
- School of Natural Sciences, Far Eastern Federal University, Vladivostok, Russia
| | - Nguyen T. Khoi
- School of Natural Sciences, Far Eastern Federal University, Vladivostok, Russia
| | - Roman V. Doudkin
- School of Natural Sciences, Far Eastern Federal University, Vladivostok, Russia
- Botanical Garden-Institute, Far Eastern Branch of the Russian Academy of Sciences, Vladivostok, Russia
| | - Dau B. Thin
- Division of Training Management, Hong Duc University, Thanh Hoa city, Vietnam
| | - Isiaka A. Ogunwande
- Science and Technology Division, Foresight Institute of Research and Translation, Ibadan, Nigeria
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