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Yangchum A, Rachtawee P, Srichomthong K, Choeyklin R, Boonpratuang T, Thongpanchang C, Isaka M. Lanostane triterpenoids from artificially cultivated fruiting bodies of Ganoderma cf. mastoporum. Nat Prod Res 2024; 38:2644-2652. [PMID: 37039449 DOI: 10.1080/14786419.2023.2196723] [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: 12/08/2022] [Accepted: 03/24/2023] [Indexed: 04/12/2023]
Abstract
In the quest for bioactive compounds from Ganoderma, artificially cultivated fruiting bodies of Ganoderma cf. mastoporum, strain TBRC-BCC 47851 were chemically investigated. The study led to the isolation of three undescribed lanostane triterpenoids (1-3) together with twelve known compounds. The structures were elucidated on the basis of NMR spectroscopic and mass spectrometry data. The new compounds were inactive in the antimalarial and antitubercular activity assays.
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Affiliation(s)
- Arunrat Yangchum
- National Center for Genetic Engineering and Biotechnology (BIOTEC), Klong Luang, Pathumthani, Thailand
| | - Pranee Rachtawee
- National Center for Genetic Engineering and Biotechnology (BIOTEC), Klong Luang, Pathumthani, Thailand
| | - Kitlada Srichomthong
- National Center for Genetic Engineering and Biotechnology (BIOTEC), Klong Luang, Pathumthani, Thailand
| | | | | | - Chawanee Thongpanchang
- National Center for Genetic Engineering and Biotechnology (BIOTEC), Klong Luang, Pathumthani, Thailand
| | - Masahiko Isaka
- National Center for Genetic Engineering and Biotechnology (BIOTEC), Klong Luang, Pathumthani, Thailand
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2
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Sun X, Shi Y, Shi D, Tu Y, Liu L. Biological Activities of Secondary Metabolites from the Edible-Medicinal Macrofungi. J Fungi (Basel) 2024; 10:144. [PMID: 38392816 PMCID: PMC10890728 DOI: 10.3390/jof10020144] [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: 12/31/2023] [Revised: 01/26/2024] [Accepted: 02/08/2024] [Indexed: 02/24/2024] Open
Abstract
Macrofungi are well-known as edible-medicinal mushrooms, which belong mostly to Basidiomycota, with a few from Ascomycota. In recent years, macrofungi have been recognized as a rich resource of structurally unique secondary metabolites, demonstrating a wide range of bioactivities, including anti-tumor, antioxidant, anti-inflammatory, antimicrobial, antimalarial, neuro-protective, hypoglycemic, and hypolipidemic activities. This review highlights over 270 natural products produced by 17 families of macrofungi covering 2017 to 2023, including their structures, bioactivities, and related molecular mechanisms.
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Affiliation(s)
- Xiaoqi Sun
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China
| | - Ying Shi
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Dongxiao Shi
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China
| | - Yu Tu
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China
| | - Ling Liu
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China
- University of Chinese Academy of Sciences, Beijing 100049, China
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3
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Chinthanom P, Vichai V, Rachtawee P, Boonpratuang T, Isaka M. Antimalarial Lanostane Dimers from Artificially Cultivated Fruiting Bodies of Ganoderma weberianum. JOURNAL OF NATURAL PRODUCTS 2023; 86:2304-2314. [PMID: 37816683 DOI: 10.1021/acs.jnatprod.3c00457] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/12/2023]
Abstract
Investigation of cultivated fruiting bodies of Ganoderma weberianum led to the isolation of 11 previously unreported lanostane dimers, ganoweberianones C (3a), D (4a), E (5a), F (6a), G (7a), and H (8a) and isoganoweberianones A (1b), B (2b), D (4b), G (7b), and H (8b). Six new ganodermanontriol derivatives as three pairs of diastereomers (11/12, 13/14, and 15/16) and five new ganoweberianic acids (17-21) were also isolated. A method for semisynthesis of lanostane dimers by condensation of natural lanostanes was established, which was utilized in the structure elucidation and NMR data assignments of the undescribed natural lanostane dimers. Ganoweberianone D (4a) and isoganoweberianone D (4b) showed significant antimalarial activity against Plasmodium falciparum K1 (multidrug-resistant strain) with IC50 values of 0.057 and 0.035 μM, respectively, whereas their cytotoxicity to Vero cells was weaker (IC50 8.1 and 19 μM, respectively).
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Affiliation(s)
- Panida Chinthanom
- National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), 111 Thailand Science Park, Phahonyothin Road, Klong Luang, Pathumthani 12120, Thailand
| | - Vanicha Vichai
- National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), 111 Thailand Science Park, Phahonyothin Road, Klong Luang, Pathumthani 12120, Thailand
| | - Pranee Rachtawee
- National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), 111 Thailand Science Park, Phahonyothin Road, Klong Luang, Pathumthani 12120, Thailand
| | - Thitiya Boonpratuang
- National Biobank of Thailand (NBT), National Science and Technology Development Agency (NSTDA), 111 Thailand Science Park, Phahonyothin Road, Klong Luang, Pathumthani 12120, Thailand
| | - Masahiko Isaka
- National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), 111 Thailand Science Park, Phahonyothin Road, Klong Luang, Pathumthani 12120, Thailand
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Wai H, Micalizio GC. Toward the Asymmetric de Novo Synthesis of Lanostanes: Construction of 7,11-Dideoxy-Δ 5-lucidadone H. J Org Chem 2022; 87:14975-14979. [PMID: 36206482 PMCID: PMC9662812 DOI: 10.1021/acs.joc.2c02042] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Efforts to establish an asymmetric entry to hexanorlanostanes has resulted in a concise synthesis of 7,11-dideoxy-Δ5-lucidadone H from epichlorohydrin. By exploiting metallacycle-mediated annulative cross-coupling (to establish a functionalized hydrindane) and stereoselective formation of the steroidal C9-C10 bond to establish a stereodefined 9-alkyl estrane, 14 subsequent steps have been established to generate a hexanorlanostane system. Key transformations include formal inversion of the C13 quaternary center, oxidative dearomatization/group-selective Wagner-Meerwein rearrangement, and Lewis acid mediated semi-Pinacol rearrangement.
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Affiliation(s)
- HtooTint Wai
- Department of Chemistry, Dartmouth College, Burke Laboratory, Hanover, NH 03755, United States
| | - Glenn C. Micalizio
- Department of Chemistry, Dartmouth College, Burke Laboratory, Hanover, NH 03755, United States
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Chinthanom P, Sappan M, Srichomthong K, Boonpratuang T, Isaka M. Colossolactone J, a highly modified lanostane triterpenoid from a natural fruiting body of Ganoderma colossus. Nat Prod Res 2022:1-8. [PMID: 36121754 DOI: 10.1080/14786419.2022.2124987] [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: 10/14/2022]
Abstract
Colossolactone J (1), an undescribed lanostane triterpenoid was isolated from a natural fruiting body of Ganoderma colossus using silica gel column chromatography and preparative HPLC. Its structure was elucidated on the basis of the spectroscopic method. The absolute configuration was determined by the combination of the modified Mosher's method and detailed NMR data analysis.
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Affiliation(s)
- Panida Chinthanom
- National Center for Genetic Engineering and Biotechnology (BIOTEC), Pathumthani, Thailand
| | - Malipan Sappan
- National Center for Genetic Engineering and Biotechnology (BIOTEC), Pathumthani, Thailand
| | - Kitlada Srichomthong
- National Center for Genetic Engineering and Biotechnology (BIOTEC), Pathumthani, Thailand
| | | | - Masahiko Isaka
- National Center for Genetic Engineering and Biotechnology (BIOTEC), Pathumthani, Thailand
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Yang L, Kong DX, Xiao N, Ma QY, Xie QY, Guo JC, Ying Deng C, Ma HX, Hua Y, Dai HF, Zhao YX. Antidiabetic lanostane triterpenoids from the fruiting bodies of Ganoderma weberianum. Bioorg Chem 2022; 127:106025. [PMID: 35868103 DOI: 10.1016/j.bioorg.2022.106025] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Revised: 07/07/2022] [Accepted: 07/10/2022] [Indexed: 12/17/2022]
Abstract
Eight previously undescribed lanostane triterpenoids, ganodeweberiols A ∼ H (1-8), together with eighteen known compounds (9-26), were isolated from the fruiting bodies of Ganoderma weberianum. The structures and absolute configurations of the new compounds were determined by extensive spectroscopic analysis, as well as NMR chemical shifts and electronic circular dichroism (ECD) calculations. Compounds 2, 7, 12, and 14 showed significant α-glucosidase inhibitory activity with IC50 values ranging from 35.3 μM ∼ 223.4 μM compared to the positive control acarbose (IC50, 304.6 μM). Kinetic study indicated that the most potent compound 12 was a mixed type inhibitor for α-glucosidase. Molecular docking simulation revealed the interactions of 12 with α-glucosidase. Additionally, Compounds 3 and 6 inhibited glucagon-induced hepatic glucose production in HepG2 cells with EC50 values of 42.0 and 85.9 μM, respectively. Further study revealed that compounds 3 and 6 inhibited hepatic glucose production by suppression glucagon-induced cAMP accumulation. Moreover, compounds 3 and 26 were active against HeLa cell line with IC50 values of 17.0 and 6.8 μM, respectively.
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Affiliation(s)
- Li Yang
- Hainan Academy of Tropical Agricultural Resource, Haikou Key Laboratory for Research and Utilization of Tropical Natural Products, Institute of Tropical Bioscience and Biotechnology, CATAS, Haikou 571101, China
| | - De-Xian Kong
- Hainan Academy of Tropical Agricultural Resource, Haikou Key Laboratory for Research and Utilization of Tropical Natural Products, Institute of Tropical Bioscience and Biotechnology, CATAS, Haikou 571101, China; Key Laboratory for Forest Resources Conservation and Utilization in the Southwest Mountains of China, Ministry of Education, Southwest Forestry University, Kunming 650224, China
| | - Na Xiao
- State Key Laboratory of Crop Biology, College of Agronomy, Shandong Agriculture University, Tai'an, Shandong 271018, China
| | - Qing-Yun Ma
- Hainan Academy of Tropical Agricultural Resource, Haikou Key Laboratory for Research and Utilization of Tropical Natural Products, Institute of Tropical Bioscience and Biotechnology, CATAS, Haikou 571101, China
| | - Qing-Yi Xie
- Hainan Academy of Tropical Agricultural Resource, Haikou Key Laboratory for Research and Utilization of Tropical Natural Products, Institute of Tropical Bioscience and Biotechnology, CATAS, Haikou 571101, China
| | - Jiao-Cen Guo
- Hainan Academy of Tropical Agricultural Resource, Haikou Key Laboratory for Research and Utilization of Tropical Natural Products, Institute of Tropical Bioscience and Biotechnology, CATAS, Haikou 571101, China
| | - Chun Ying Deng
- Guizhou Institute of Biology, Guizhou Academy of Sciences, Guiyang 550009, China
| | - Hai-Xia Ma
- Hainan Academy of Tropical Agricultural Resource, Haikou Key Laboratory for Research and Utilization of Tropical Natural Products, Institute of Tropical Bioscience and Biotechnology, CATAS, Haikou 571101, China
| | - Yan Hua
- Key Laboratory for Forest Resources Conservation and Utilization in the Southwest Mountains of China, Ministry of Education, Southwest Forestry University, Kunming 650224, China.
| | - Hao-Fu Dai
- Hainan Academy of Tropical Agricultural Resource, Haikou Key Laboratory for Research and Utilization of Tropical Natural Products, Institute of Tropical Bioscience and Biotechnology, CATAS, Haikou 571101, China.
| | - You-Xing Zhao
- Hainan Academy of Tropical Agricultural Resource, Haikou Key Laboratory for Research and Utilization of Tropical Natural Products, Institute of Tropical Bioscience and Biotechnology, CATAS, Haikou 571101, China.
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Wai H, Koelblen T, Hayes ME, Burris TP, Micalizio GC. Progress toward the De Novo Asymmetric Synthesis of Euphanes. Org Lett 2022; 24:3686-3690. [PMID: 35584298 DOI: 10.1021/acs.orglett.2c01299] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Progress toward an asymmetric synthesis of euphanes is described. A C14-desmethyl euphane system possessing five differentially substituted and electronically distinct alkenes has been prepared. The route employed is based on sequential metallacycle-mediated annulative cross-coupling, double asymmetric Brønsted acid mediated intramolecular Friedel-Crafts alkylation, and an oxidative rearrangement to establish the requisite C10 quaternary center. These studies have also led to the discovery of a novel euphane-based modulator of the Liver X Receptor.
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Affiliation(s)
- HtooTint Wai
- Department of Chemistry, Dartmouth College, Burke Laboratory, Hanover, New Hampshire 03755, United States
| | - Thomas Koelblen
- University of Florida, Genetics Institute, Gainesville, Florida 32610, United States
| | - Matthew E Hayes
- University of Florida, Genetics Institute, Gainesville, Florida 32610, United States
| | - Thomas P Burris
- University of Florida, Genetics Institute, Gainesville, Florida 32610, United States
| | - Glenn C Micalizio
- Department of Chemistry, Dartmouth College, Burke Laboratory, Hanover, New Hampshire 03755, United States
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Yangchum A, Fujii R, Choowong W, Rachtawee P, Pobkwamsuk M, Boonpratuang T, Mori S, Isaka M. Lanostane triterpenoids from cultivated fruiting bodies of basidiomycete Ganoderma mbrekobenum. PHYTOCHEMISTRY 2022; 196:113075. [PMID: 34974245 DOI: 10.1016/j.phytochem.2021.113075] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Revised: 11/30/2021] [Accepted: 12/26/2021] [Indexed: 06/14/2023]
Abstract
In the quest for medicinally active compounds in mushrooms of the genus Ganoderma, eleven undescribed lanostane triterpenoids, including a novel chlorinated derivative, i.e., (20S,24E)-21-chloro-15β,20,29-trihydroxy-3,7,11-trioxolanosta-8,24-dien-26-oic acid, were isolated from artificially cultivated fruiting bodies of the basidiomycete Ganoderma mbrekobenum. The structures were elucidated on the basis of NMR spectroscopic and mass spectrometry data. The configuration of the C-20 atom in the most abundant 20-hydroxy-lanostane, (20S,24E)-15β,20,29-trihydroxy-3,7,11-trioxolanosta-8,24-dien-26-oic acid, was established by chemical derivatization, and the absolute configuration of the lanostane skeleton was determined by ECD calculation. Two of the undescribed compounds exhibited moderate antimalarial activity.
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Affiliation(s)
- Arunrat Yangchum
- National Center for Genetic Engineering and Biotechnology (BIOTEC), 113 Thailand Science Park, Phaholyothin Road, Klong Luang, Pathumthani, 12120, Thailand
| | - Ryoma Fujii
- Institute of Quantum Beam Science, Ibaraki University, Mito, 310-8512, Japan
| | - Wilunda Choowong
- National Center for Genetic Engineering and Biotechnology (BIOTEC), 113 Thailand Science Park, Phaholyothin Road, Klong Luang, Pathumthani, 12120, Thailand
| | - Pranee Rachtawee
- National Center for Genetic Engineering and Biotechnology (BIOTEC), 113 Thailand Science Park, Phaholyothin Road, Klong Luang, Pathumthani, 12120, Thailand
| | - Maneerat Pobkwamsuk
- National Biobank of Thailand, 114 Thailand Science Park, Phaholyothin Road, Klong Luang, Pathumthani, 12120, Thailand
| | - Thitiya Boonpratuang
- National Biobank of Thailand, 114 Thailand Science Park, Phaholyothin Road, Klong Luang, Pathumthani, 12120, Thailand
| | - Seiji Mori
- Institute of Quantum Beam Science, Ibaraki University, Mito, 310-8512, Japan; Frontier Research Center for Applied Atomic Sciences, Ibaraki University, Tokai, Ibaraki, 319-1106, Japan
| | - Masahiko Isaka
- National Center for Genetic Engineering and Biotechnology (BIOTEC), 113 Thailand Science Park, Phaholyothin Road, Klong Luang, Pathumthani, 12120, Thailand.
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9
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Kong DX, Ma QY, Yang L, Xie QY, Deng CY, Dai HF, Hua Y, Zhao YX. Two lanostane triterpenoids with α-glucosidase inhibitory activity from the fruiting bodies of Ganoderma weberianum. Nat Prod Res 2022:1-7. [PMID: 35289692 DOI: 10.1080/14786419.2022.2050911] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
A new oxygenated lanostane-type triterpenoid, 20S,24S-epoxy-lanosta-7,9(11)-dien-3β,15α,25R,26-tetraol (1), together with three known compounds (2-4) were isolated from the fruiting bodies of Ganoderma weberianum. Extensive NMR spectrometry and HRESIMS analysis, as well as NMR and ECD calculations elucidated the structure of the new compound. 27-nor-3β-hydroxylanosta-7,9(11),23E-trien-25-one (2) showed superior α-glucosidase inhibitory activity with IC50 value of 122.1 μM to that of positive control acarbose (304.6 μM).
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Affiliation(s)
- De Xian Kong
- Key Laboratory for Forest Resources Conservation and Utilization in the Southwest Mountains of China, Ministry of Education, Southwest Forestry University, Kunming, PR China
| | - Qing Yun Ma
- Haikou Key Laboratory for Research and Utilization of Tropical Natural Products, Institute of Tropical Bioscience and Biotechnology, CATAS, Haikou, PR China
| | - Li Yang
- Haikou Key Laboratory for Research and Utilization of Tropical Natural Products, Institute of Tropical Bioscience and Biotechnology, CATAS, Haikou, PR China
| | - Qing Yi Xie
- Haikou Key Laboratory for Research and Utilization of Tropical Natural Products, Institute of Tropical Bioscience and Biotechnology, CATAS, Haikou, PR China.,Hainan Institute for Tropical Agricultural Resources, CATAS, Haikou, PR China
| | - Chun Ying Deng
- Guizhou institute of biology, Guizhou Academy of Sciences, Guiyang, PR China
| | - Hao Fu Dai
- Haikou Key Laboratory for Research and Utilization of Tropical Natural Products, Institute of Tropical Bioscience and Biotechnology, CATAS, Haikou, PR China
| | - Yan Hua
- Key Laboratory for Forest Resources Conservation and Utilization in the Southwest Mountains of China, Ministry of Education, Southwest Forestry University, Kunming, PR China
| | - You Xing Zhao
- Haikou Key Laboratory for Research and Utilization of Tropical Natural Products, Institute of Tropical Bioscience and Biotechnology, CATAS, Haikou, PR China
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Chinthanom P, Srichomthong K, Rachtawee P, Boonpratuang T, Choeyklin R, Feng T, Liu JK, Isaka M. Lanostane triterpenoids from cultivated fruiting bodies of Ganoderma sichuanense: Determination of the C-25 absolute configuration of ganoderic acid A and its derivatives using the phenylglycine methyl ester (PGME) method. PHYTOCHEMISTRY 2021; 192:112963. [PMID: 34562671 DOI: 10.1016/j.phytochem.2021.112963] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/19/2021] [Revised: 09/17/2021] [Accepted: 09/17/2021] [Indexed: 06/13/2023]
Abstract
Three undescribed lanostane triterpenoids, together with twenty-one known compounds, were isolated from artificially cultivated fruiting bodies of the basidiomycete Ganoderma sichuanense. The absolute configuration at C-25 of ganoderic acid A and its derivatives was determined to be 25R by application of the phenylglycine methyl ester (PGME) method. Among the isolated compounds, ganoderiol F exhibited the most potent activity against Mycobacterium tuberculosis H37Ra with an MIC value of 0.781 μg/ml.
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Affiliation(s)
- Panida Chinthanom
- National Center for Genetic Engineering and Biotechnology (BIOTEC), 113 Thailand Science Park, Phaholyothin Road, Klong Luang, Pathumthani, 12120, Thailand
| | - Kitlada Srichomthong
- National Center for Genetic Engineering and Biotechnology (BIOTEC), 113 Thailand Science Park, Phaholyothin Road, Klong Luang, Pathumthani, 12120, Thailand
| | - Pranee Rachtawee
- National Center for Genetic Engineering and Biotechnology (BIOTEC), 113 Thailand Science Park, Phaholyothin Road, Klong Luang, Pathumthani, 12120, Thailand
| | - Thitiya Boonpratuang
- National Biobank of Thailand, 114 Thailand Science Park, Phaholyothin Road, Klong Luang, Pathumthani, 12120, Thailand
| | - Rattaket Choeyklin
- National Biobank of Thailand, 114 Thailand Science Park, Phaholyothin Road, Klong Luang, Pathumthani, 12120, Thailand
| | - Tao Feng
- School of Pharmaceutical Sciences, South-Central University for Nationalities, Wuhan, 430074, People's Republic of China
| | - Ji-Kai Liu
- School of Pharmaceutical Sciences, South-Central University for Nationalities, Wuhan, 430074, People's Republic of China
| | - Masahiko Isaka
- National Center for Genetic Engineering and Biotechnology (BIOTEC), 113 Thailand Science Park, Phaholyothin Road, Klong Luang, Pathumthani, 12120, Thailand.
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Meng XH, Qin FY, Jiang XT, Li Y, Cheng YX. (±)-Gancochlearols J - N, renoprotective meroterpenoids from Ganoderma cochlear. Bioorg Chem 2021; 112:104950. [PMID: 33962091 DOI: 10.1016/j.bioorg.2021.104950] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2021] [Revised: 04/20/2021] [Accepted: 04/23/2021] [Indexed: 01/28/2023]
Abstract
Five pairs of meroterpenoid enantiomers, (±)-gancochlearols J - N (1-5), were isolated from the fruiting bodies of Ganoderma cochlear. Their structures were elucidated on the basis of 1D and 2D NMR and HRESIMS data. The absolute configurations of gancochlearols J - M (1-4) were assigned by electronic circular dichroism (ECD) calculations. Biological evaluation showed that (-)-1 and (-)-2 could inhibit renal fibrosis in TGF-β1-induced rat kidney proximal tubular cells (NRK-52e).
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Affiliation(s)
- Xiao-Hui Meng
- School of Medicine, Holistic Integrative Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, People's Republic of China; School of Pharmaceutical Sciences, Shenzhen University Health Science Center, Shenzhen 518060, People's Republic of China
| | - Fu-Ying Qin
- School of Pharmaceutical Sciences, Shenzhen University Health Science Center, Shenzhen 518060, People's Republic of China
| | - Xiao-Ting Jiang
- School of Pharmaceutical Sciences, Shenzhen University Health Science Center, Shenzhen 518060, People's Republic of China
| | - Yu Li
- School of Medicine, Holistic Integrative Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, People's Republic of China.
| | - Yong-Xian Cheng
- School of Pharmaceutical Sciences, Shenzhen University Health Science Center, Shenzhen 518060, People's Republic of China; Guangdong Key Laboratory for Functional Substances in Medicinal Edible Resources and Healthcare Products, School of Life Sciences and Food Engineering, Hanshan Normal University, Chaozhou 521041, People's Republic of China.
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