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Nguyen NH, Nguyen HH, Duong TH, Nguyen HT, Vo TS, Mai DT, Thuong HNT, Bui XH, Do THT. Alpha-glucosidase inhibitory cycloartanes from the Vietnamese Combretum quadrangulare. Chem Biodivers 2022; 19:e202200562. [PMID: 35965252 DOI: 10.1002/cbdv.202200562] [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: 06/11/2022] [Accepted: 08/11/2022] [Indexed: 11/11/2022]
Abstract
Leaves of Combretum quadrangulare Kurz showed potent alpha-glucosidase inhibition. Two new cycloartane-type triterpenes, combretic acids D and E were isolated from the bioactive fraction. The chemical structures were determined using NMR and MS methods. Combretic acid D represents for the first cycloartane having a dihydrofuran ring in the side chain. Combretic acids D and E showed significant alpha-glucosidase inhibition, with IC 50 values of 13.9 and 30.7 µM, respectively. Combretic acid D was determined to be a non-competitive type in the kinetic study. The docking study in combination with dynamic simulations of this compound provided the molecular understanding of alpha-glucosidase inhibition.
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Affiliation(s)
- Ngoc Hong Nguyen
- HUTECH University, Cirtect Institute, Ho Chi Minh City, 084, Ho Chi Minh City, VIET NAM
| | - Huu-Hung Nguyen
- Van Lang University: Truong Dai hoc Van Lang, Faculty of Applied Technology, Van Lang University, 084, Ho Chi Minh City, VIET NAM
| | - Thuc-Huy Duong
- Ho Chi Minh City University of Education, Department of Chemistry, An Duong Vuong, 084, Ho Chi Minh City, VIET NAM
| | - Huy Truong Nguyen
- Ton Duc Thang University, Faculty of Pharmacy, Nguyen Huu Tho, 084, Ho Chi Minh City, VIET NAM
| | - Thanh-Sang Vo
- Nguyen Tat Thanh University, NTT Hi-Tech Institute, An Duong Vuong, 084, Ho Chi Minh City, VIET NAM
| | - Dinh-Tri Mai
- Vietnam Academy of Science and Technology, Department of Chemistry, An Duong Vuong, 084, Ho Chi Minh City, VIET NAM
| | - Huyen Nguyen Thi Thuong
- Ho Chi Minh City University of Education, Department of Biology, An Duong Vuong, 084, Ho Chi Minh City, VIET NAM
| | - Xuan-Hao Bui
- Ho Chi Minh City University of Education, Department of Chemistry, An Duong Vuong, 084, Ho Chi Minh City, VIET NAM
| | - Thi-Hong-Tuoi Do
- University of Medicine and Pharmacy Ho Chi Minh City, Faculty of Pharmacy, An Duong Vuong, 084, Ho Chi Minh City, VIET NAM
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Vo TS, Nguyen HH, Nguyen TP, Tran TMD, Bui XH, Dinh MH, Pham NKT, Sichaem J, Dang VS, Nguyen NH, Duong TH. Cycloartanes from leaves of Combretum quadrangulare growing in Vietnam. Nat Prod Res 2022:1-8. [DOI: 10.1080/14786419.2022.2045489] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Thanh-Sang Vo
- NTT Hi-Tech Institute, Nguyen Tat Thanh University, Ho Chi Minh City, Vietnam
| | - Huu-Hung Nguyen
- Faculty of Applied Technology, School of Engineering and Technology, Van Lang University, Ho Chi Minh City, Vietnam
| | - Thi-Phuong Nguyen
- NTT Hi-Tech Institute, Nguyen Tat Thanh University, Ho Chi Minh City, Vietnam
| | - Thi-Minh-Dinh Tran
- Department of Biology, Ho Chi Minh City University of Education, Ho Chi Minh City, Vietnam
| | - Xuan-Hao Bui
- Department of Chemistry, Ho Chi Minh City University of Education, Ho Chi Minh City, Vietnam
| | - Minh-Hiep Dinh
- Department of Agriculture and Rural Development, Ho Chi Minh City, Vietnam
| | | | - Jirapast Sichaem
- Research Unit in Natural Products Chemistry and Bioactivities, Faculty of Science and Technology, Thammasat University Lampang Campus, Lampang, Thailand
| | - Van-Son Dang
- Graduate University of Science and Technology, Vietnam Academy of Science and Technology, Ha Noi, Vietnam
- Institute of Tropical Biology, Vietnam Academy of Science and Technology, Ho Chi Minh City, Vietnam
| | | | - Thuc-Huy Duong
- Department of Biology, Ho Chi Minh City University of Education, Ho Chi Minh City, Vietnam
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Tri MD, Tram TTM, Ngoc LH, An TNM, Phat NT, Minh PN, Kieu NV, Van Son D, Nguyen TP, Mai TTN, Duong TH. Recurvataside, a new saponin from aerial parts of Mussaenda recurvata. Nat Prod Res 2022:1-8. [PMID: 35176920 DOI: 10.1080/14786419.2022.2039137] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
A new glycoside, recurvataside (1) and six known compounds, quinovic acid (2), quinovic acid 28-O-β-D-glucopyranosyl ester (3), 3-O-β-D-glucopyranosylquinovic acid (4), 3-O-β-D-glucopyranosylquinovic acid 28-O-β-D-glucopyranosyl ester (5), pomolic acid (6), and ursolic acid (7) were isolated from aerial parts of Mussaenda recurvata. The structure of compound 1 was identified from its spectroscopic data and by comparison with the literature. Recurvataside represents the first occurrence of δ-oleanolic acid saponin bearing two D-glucose units at C-3 and C-28 in nature. This is the first time δ-oleanane-type saponin reported in the genus Mussaenda. Compounds 1-7 were evaluated the cytotoxicity against two cancer cell lines MCF-7 and HepG2. Among them, only compound 7 exhibited moderate activity against MCF-7 and HepG2 cell lines with IC50 value of 16.97 ± 1.55 and 20.28 ± 1.00 μM, respectively. Compounds 1-7 were also tested for their inhibitory NO production in LPS-stimulated RAW264.7 cells. Compounds 3, 5, and 7 showed significant reduction of nitrite accumulation in LPS-stimulated RAW 264.7 cells with the IC50 values of 8.81 ± 0.48, 13.42 ± 0.84, and 18.37 ± 0.67 μM, respectively.
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Affiliation(s)
- Mai Dinh Tri
- Graduate University of Science and Technology, Vietnam Academy of Science and Technology, Ha noi, Vietnam.,Institute of Chemical Technology, Vietnam Academy of Science and Technology, Ho Chi Minh City, Vietnam
| | - Tran Thi Mai Tram
- Department of Chemistry, Ho Chi Minh City University of Education, Ho Chi Minh City, Vietnam
| | - Le Hoang Ngoc
- Graduate University of Science and Technology, Vietnam Academy of Science and Technology, Ha noi, Vietnam.,Institute of Chemical Technology, Vietnam Academy of Science and Technology, Ho Chi Minh City, Vietnam
| | - Tran Nguyen Minh An
- Faculty of Chemical Engineering, Industrial University of Ho Chi Minh City, Ho Chi Minh City, Vietnam
| | - Nguyen Tan Phat
- Graduate University of Science and Technology, Vietnam Academy of Science and Technology, Ha noi, Vietnam.,Institute of Chemical Technology, Vietnam Academy of Science and Technology, Ho Chi Minh City, Vietnam
| | - Phan Nhat Minh
- Graduate University of Science and Technology, Vietnam Academy of Science and Technology, Ha noi, Vietnam.,Institute of Chemical Technology, Vietnam Academy of Science and Technology, Ho Chi Minh City, Vietnam
| | - Nguyen Van Kieu
- Institute of Fundamental and Applied Sciences, Duy Tan University, Ho Chi Minh City, Vietnam.,Faculty of Natural Sciences, Duy Tan University, Da Nang, Vietnam
| | - Dang Van Son
- Graduate University of Science and Technology, Vietnam Academy of Science and Technology, Ha noi, Vietnam.,Institute of Tropical Biology, Vietnam Academy of Science and Technology, Ho Chi Minh City, Vietnam
| | - Thi-Phuong Nguyen
- NTT Hi-Tech Institute, Nguyen Tat Thanh University, Ho Chi Minh City, Vietnam
| | - Tran Thi Ngoc Mai
- Institute of Applied Sciences, HUTECH University, Ho Chi Minh City, Vietnam
| | - Thuc-Huy Duong
- Department of Chemistry, Ho Chi Minh City University of Education, Ho Chi Minh City, Vietnam
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