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Tembeni B, Idowu OE, Benrkia R, Boutahiri S, Olatunji OJ. Biotransformation of selected secondary metabolites by Alternaria species and the pharmaceutical, food and agricultural application of biotransformation products. NATURAL PRODUCTS AND BIOPROSPECTING 2024; 14:46. [PMID: 39158793 PMCID: PMC11333692 DOI: 10.1007/s13659-024-00469-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/04/2024] [Accepted: 08/04/2024] [Indexed: 08/20/2024]
Abstract
Biotransformation is a process in which molecules are modified in the presence of a biocatalyst or enzymes, as well as the metabolic alterations that occur in organisms from exposure to the molecules. Microbial biotransformation is an important process in natural product drug discovery as novel compounds are biosynthesised. Additionally, biotransformation products offer compounds with improved efficacy, solubility, reduced cytotoxic and allows for the understanding of structure activity relationships. One of the driving forces for these impeccable findings are associated with the presence of cytochrome P450 monooxygenases that is present in all organisms such as mammals, bacteria, and fungi. Numerous fungal strains have been used and reported for their ability to biotransform different compounds. This review focused on studies using Alternaria species as biocatalysts in the biotransformation of natural product compounds. Alternaria species facilitates reactions that favour stereoselectivity, regioselectivity under mild conditions. Additionally, microbial biotransformation products, their application in food, pharmaceutical and agricultural sector is discussed in this review.
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Affiliation(s)
- Babalwa Tembeni
- African Genome Center, Mohammed VI Polytechnic University, Benguerir, Morocco.
| | | | - Rachid Benrkia
- African Genome Center, Mohammed VI Polytechnic University, Benguerir, Morocco
| | - Salima Boutahiri
- African Genome Center, Mohammed VI Polytechnic University, Benguerir, Morocco
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Rodriguez C, Ibáñez R, Olmedo DA, Ng M, Spadafora C, Durant-Archibold AA, Gutiérrez M. Anti-Trypanosomal Bufadienolides from the Oocytes of the Toad Rhinella alata (Anura, Bufonidae). Molecules 2023; 29:196. [PMID: 38202779 PMCID: PMC10779871 DOI: 10.3390/molecules29010196] [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: 12/05/2023] [Revised: 12/26/2023] [Accepted: 12/27/2023] [Indexed: 01/12/2024] Open
Abstract
Amphibians are widely known as a prolific source of bioactive metabolites. In this work, we isolated and characterized compounds with antiparasitic activity from the oocytes of the toad Rhinella alata collected in Panama. Bio-guided isolation and structural elucidation were carried out using chromatographic and spectroscopic techniques, respectively. The organic extract was subjected to solid phase extraction followed by HPLC purification of the fraction with in vitro activity against Trypanosoma cruzi trypomastigotes. Seven steroids (1-7) of the bufadienolide family were isolated, and their structures were determined using NMR and MS analyses; of these 19-formyl-dyscinobufotalin, (3) is reported as a new natural product. Compounds 1 and 3-7 resulted in a good anti-trypanosomal activity profile. Among these, 16β-hydroxyl-hellebrigenin (1) and bufalin (7) showed significant selectivity values of >5 and 2.69, respectively, while the positive control benznidazole showed a selectivity of 18.81. Furthermore, molecular docking analysis showed compounds 1, 3 and 7 interact through H-bonds with the amino acid residues GLN-19, ASP-158, HIS-159 and TRP-177 from cruzipain at the catalytic site. Given the lack of therapeutic options to treat American trypanosomiasis, this work can serve as the basis for further studies that aim for the development of bufadienolides or their derivatives as drugs against Chagas disease.
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Affiliation(s)
- Candelario Rodriguez
- Centro de Biodiversidad y Descubrimiento de Drogas, Instituto de Investigaciones Científicas y Servicios de Alta Tecnología (INDICASAT-AIP), Panamá 0843-01103, Panama; (C.R.); (A.A.D.-A.)
- Department of Biotechnology, Acharya Nagarjuna University, Nagarjuna Nagar, Guntur 522510, India
| | - Roberto Ibáñez
- Smithsonian Tropical Research Institute, Balboa, Ancon 0843-03092, Panama;
- Departamento de Zoología, Facultad de Ciencias Naturales, Exactas y Tecnología, Universidad de Panamá, Panamá 0824-03366, Panama
| | - Dionisio A. Olmedo
- Centro de Investigaciones Farmacognósticas de la Flora Panameña (CIFLORPAN), Facultad de Farmacia, Universidad de Panamá, Panamá 0824-03366, Panama;
| | - Michelle Ng
- Centro de Biología Celular y Molecular de Enfermedades, INDICASAT AIP, Panamá 0843-01103, Panama; (M.N.); (C.S.)
| | - Carmenza Spadafora
- Centro de Biología Celular y Molecular de Enfermedades, INDICASAT AIP, Panamá 0843-01103, Panama; (M.N.); (C.S.)
| | - Armando A. Durant-Archibold
- Centro de Biodiversidad y Descubrimiento de Drogas, Instituto de Investigaciones Científicas y Servicios de Alta Tecnología (INDICASAT-AIP), Panamá 0843-01103, Panama; (C.R.); (A.A.D.-A.)
- Departamento de Bioquímica, Facultad de Ciencias Naturales, Exactas y Tecnología, Universidad de Panamá, Panamá 0824-03366, Panama
| | - Marcelino Gutiérrez
- Centro de Biodiversidad y Descubrimiento de Drogas, Instituto de Investigaciones Científicas y Servicios de Alta Tecnología (INDICASAT-AIP), Panamá 0843-01103, Panama; (C.R.); (A.A.D.-A.)
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Mahmoud MM, Abdel-Razek AS, Soliman HS, Ponomareva LV, Thorson JS, Shaaban KA, Shaaban M. Diverse polyketides from the marine endophytic Alternaria sp . LV52: Structure determination and cytotoxic activities. BIOTECHNOLOGY REPORTS (AMSTERDAM, NETHERLANDS) 2022; 33:e00628. [PMID: 35036335 PMCID: PMC8752877 DOI: 10.1016/j.btre.2021.e00628] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/31/2020] [Revised: 04/29/2021] [Accepted: 05/09/2021] [Indexed: 12/02/2022]
Abstract
We report the isolation and characterization of five polyketides [alternariol (1), alternariol-9-methyl ether (2), altertoxin I (3), altertoxin II (4) and tenuazonic acid (5)] from the marine endophytic Alternaria sp. LV52 derived from Cystoseira tamariscifolia, collected from the Red Sea at Nabq-Bay, Egypt. The chemical structures of compounds 1-5 were identified by extensive 1D, 2D NMR, and HR mass measurements. Isolation and phenotypic and genotypic characterization of the producing fungus is reported. The antimicrobial activity of the produced extract and derived compounds was examined against a panel of test organisms. In addition, an in vitro cytotoxic activity of 1-5 was performed against diverse cancer cell lines: HEPG2, HELA, A549 and PC3, revealing that compounds 2 and 4 are potentially cytotoxic against A549 and PC3 with EC50 of 0.73 µg/ml (2.69 µM) and 0.17 µg/ml (0.64 µM) for 2, and 0.40 µg/ml (1.15 µM) and 0.12 µg/ml (0.33 µM) for 4, respectively.
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Affiliation(s)
- Manar M. Mahmoud
- Pharmacognosy Department, Faculty of Pharmacy, Helwan University, Helwan City-Cairo 11884, Egypt
- Organic and Bioorganic Chemistry, Faculty of Chemistry, Bielefeld University, d-33501 Bielefeld, Germany
| | - Ahmed S. Abdel-Razek
- Organic and Bioorganic Chemistry, Faculty of Chemistry, Bielefeld University, d-33501 Bielefeld, Germany
- Microbial Chemistry Department, Division of Genetic Engineering and Biotechnology Research, National Research Centre, El-Buhouth St. 33, Dokki-Cairo 12622, Egypt
| | - Hesham S.M. Soliman
- Pharmacognosy Department, Faculty of Pharmacy, Helwan University, Helwan City-Cairo 11884, Egypt
- Pharm D program, Egypt-Japan University of Science and Technology (E-JUST), New Borg El-Arab City, 21934 Alexandria, Egypt
| | - Larissa V. Ponomareva
- Center for Pharmaceutical Research and Innovation, College of Pharmacy, University of Kentucky, Lexington, KY 40536, United States
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Kentucky, Lexington, Kentucky 40536, United States
| | - Jon S. Thorson
- Center for Pharmaceutical Research and Innovation, College of Pharmacy, University of Kentucky, Lexington, KY 40536, United States
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Kentucky, Lexington, Kentucky 40536, United States
| | - Khaled A. Shaaban
- Center for Pharmaceutical Research and Innovation, College of Pharmacy, University of Kentucky, Lexington, KY 40536, United States
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Kentucky, Lexington, Kentucky 40536, United States
| | - Mohamed Shaaban
- Organic and Bioorganic Chemistry, Faculty of Chemistry, Bielefeld University, d-33501 Bielefeld, Germany
- Chemistry of Natural Compounds Department, Division of Pharmaceutical Industries, National Research Centre, El-Buhouth St. 33, Dokki-Cairo 12622, Egypt
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Bufadienolides from the Skin Secretions of the Neotropical Toad Rhinella alata (Anura: Bufonidae): Antiprotozoal Activity against Trypanosoma cruzi. Molecules 2021; 26:molecules26144217. [PMID: 34299492 PMCID: PMC8305532 DOI: 10.3390/molecules26144217] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Revised: 06/28/2021] [Accepted: 07/01/2021] [Indexed: 11/17/2022] Open
Abstract
Toads in the family Bufonidae contain bufadienolides in their venom, which are characterized by their chemical diversity and high pharmacological potential. American trypanosomiasis is a neglected disease that affects an estimated 8 million people in tropical and subtropical countries. In this research, we investigated the chemical composition and antitrypanosomal activity of toad venom from Rhinella alata collected in Panama. Structural determination using mass spectrometry (MS) and nuclear magnetic resonance (NMR) spectroscopy led to the identification of 10 bufadienolides. Compounds identified include the following: 16β-hydroxy-desacetyl-bufotalin-3-adipoyl-arginine ester (1), bufotalin (2), 16β-hydroxy-desacetyl-bufotalin-3-pimeloyl-arginine ester (3), bufotalin-3-pimeloyl-arginine ester (4), 16β-hydroxy-desacetyl-bufotalin-3-suberoyl-arginine ester (5), bufotalin-3-suberoyl-arginine ester (6), cinobufagin-3-adipoyl-arginine ester (7), cinobufagin-3-pimeloyl-arginine ester (8), cinobufagin-3-suberoyl-arginine ester (9), and cinobufagin (10). Among these, three new natural products, 1, 3, and 5, are described, and compounds 1-10 are reported for the first time in R. alata. The antitrypanosomal activity assessed in this study revealed that the presence of an arginyl-diacid attached to C-3, and a hydroxyl group at C-14 in the structure of bufadienolides that is important for their biological activity. Bufadienolides showed cytotoxic activity against epithelial kidney Vero cells; however, bufagins (2 and 10) displayed low mammalian cytotoxicity. Compounds 2 and 10 showed activity against the cancer cell lines MCF-7, NCI-H460, and SF-268.
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Mei RF, Shi YX, Duan WH, Ding H, Zhang XR, Cai L, Ding ZT. Biotransformation of α-terpineol by Alternaria alternata. RSC Adv 2020; 10:6491-6496. [PMID: 35496018 PMCID: PMC9049759 DOI: 10.1039/c9ra08042b] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2019] [Accepted: 01/15/2020] [Indexed: 11/29/2022] Open
Abstract
α-Terpineol (1), the main volatile constituent in some traditional Chinese medicines, has been reported to be metabolized to 4R-oleuropeic acid by the larvae of common cutworms. The present study verified that α-terpineol could be converted to 4R-oleuropeic acid (2) and (1S,2R,4R)-p-menthane-1,2,8-triol (3) by Alternaria alternata fermentation. Using shortened fermentation times, 7-hydroxy-α-terpineol (2a) was identified as an oxidative intermediate, which was consistent with the hypothesis put forward by previous studies. Cytochrome P450 enzymes were also confirmed to catalyze this biotransformation. This is the first study on the biotransformation of α-terpineol by microbial fermentation.
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Affiliation(s)
- Rui-Feng Mei
- Functional Molecules Analysis and Biotransformation Key Laboratory of Universities in Yunnan Province, Key Laboratory of Medicinal Chemistry for Natural Resource Ministry of Education, School of Chemical Science and Technology, Yunnan University Kunming 650091 P. R. China
| | - Ya-Xian Shi
- Functional Molecules Analysis and Biotransformation Key Laboratory of Universities in Yunnan Province, Key Laboratory of Medicinal Chemistry for Natural Resource Ministry of Education, School of Chemical Science and Technology, Yunnan University Kunming 650091 P. R. China
| | - Wei-He Duan
- Functional Molecules Analysis and Biotransformation Key Laboratory of Universities in Yunnan Province, Key Laboratory of Medicinal Chemistry for Natural Resource Ministry of Education, School of Chemical Science and Technology, Yunnan University Kunming 650091 P. R. China
| | - Hao Ding
- Functional Molecules Analysis and Biotransformation Key Laboratory of Universities in Yunnan Province, Key Laboratory of Medicinal Chemistry for Natural Resource Ministry of Education, School of Chemical Science and Technology, Yunnan University Kunming 650091 P. R. China
| | - Xiao-Ran Zhang
- Functional Molecules Analysis and Biotransformation Key Laboratory of Universities in Yunnan Province, Key Laboratory of Medicinal Chemistry for Natural Resource Ministry of Education, School of Chemical Science and Technology, Yunnan University Kunming 650091 P. R. China
| | - Le Cai
- Functional Molecules Analysis and Biotransformation Key Laboratory of Universities in Yunnan Province, Key Laboratory of Medicinal Chemistry for Natural Resource Ministry of Education, School of Chemical Science and Technology, Yunnan University Kunming 650091 P. R. China
| | - Zhong-Tao Ding
- Functional Molecules Analysis and Biotransformation Key Laboratory of Universities in Yunnan Province, Key Laboratory of Medicinal Chemistry for Natural Resource Ministry of Education, School of Chemical Science and Technology, Yunnan University Kunming 650091 P. R. China
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Huang W, Wen C, Zhou Z, Fu Z, Katz A, Plotnikov A, Karlish SJD, Jiang R. An Efficient One‐Pot Enzymatic Synthesis of Cardiac Glycosides with Varied Sugar Chain Lengths. Adv Synth Catal 2019. [DOI: 10.1002/adsc.201900227] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Wei Huang
- Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research, and International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of EducationJinan University Guangzhou 510632 People's Republic of China
| | - Chao Wen
- Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research, and International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of EducationJinan University Guangzhou 510632 People's Republic of China
| | - Zhen‐Ru Zhou
- Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research, and International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of EducationJinan University Guangzhou 510632 People's Republic of China
| | - Zhi‐Hao Fu
- Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research, and International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of EducationJinan University Guangzhou 510632 People's Republic of China
| | - Adriana Katz
- Department of Biomolecular SciencesWeizmann Institute of Science Rehovot Israel
| | - Alexander Plotnikov
- Department of Biomolecular SciencesWeizmann Institute of Science Rehovot Israel
| | | | - Ren‐Wang Jiang
- Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research, and International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of EducationJinan University Guangzhou 510632 People's Republic of China
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New cryptotanshinone derivatives with anti-influenza A virus activities obtained via biotransformation by Mucor rouxii. Appl Microbiol Biotechnol 2017; 101:6365-6374. [PMID: 28584912 DOI: 10.1007/s00253-017-8351-0] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2017] [Revised: 04/27/2017] [Accepted: 05/11/2017] [Indexed: 10/19/2022]
Abstract
This paper provides an efficient platform to diversify the structure and pharmaceutical potentials of known natural products. Seven metabolites were obtained via the biotransformation of cryptotanshinone by the fungus Mucor rouxii AS 3.3447, and assigned as 13R-14R-hydroxy-anhydride of 16R-cryptotanshinone (1), 1S-hydroxy-anhydride of 16R-cryptotanshinone (2), 1R-hydroxy-anhydride of 16R-cryptotanshinone (3), 3S-hydroxy-epicryptoacetalide (4), 3S-hydroxy-cryptoacetalide (5), epicryptoacetalide (6), and cryptoacetalide (7). Among these compounds, 1-5 are novel. The ortho-naphthoquinone chromophore of cryptotanshinone was degraded and rearranged by M. rouxii. 1 and 3 showed good anti-influenza A virus activities with the reduced cytotoxic activities compared to the parent substrate cryptotanshinone (8). The structures of all the new compounds were determined on the basis of HRESIMS (high-resolution electrospray ionization mass spectroscopy) spectrometry, NMR (nuclear magnetic resonance) spectroscopy, ECD (electronic circular dichroism) calculations, and the CD (circular dichroism) of "in situ" method with [Rh2(OCOCF3)4].
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8
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Fungal biotransformation of tanshinone results in [4+2] cycloaddition with sorbicillinol: evidence for enzyme catalysis and increased antibacterial activity. Appl Microbiol Biotechnol 2016; 100:8349-57. [PMID: 27198724 DOI: 10.1007/s00253-016-7488-6] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2015] [Revised: 03/17/2016] [Accepted: 03/19/2016] [Indexed: 10/21/2022]
Abstract
The biotransformation of tanshinone IIA to a new antibacterial agent tanshisorbicin (1) by the fungus Hypocrea sp. (AS 3.17108) is described. The structure of tanshisorbicin is a hybrid of tanshinone IIA (2) and sorbicillinol (3). The latter is a metabolite produced by Hypocrea sp. The structure of tanshisorbicin was determined using mass spectrometry, NMR spectroscopy, and ECD calculations. The anti-MRSA activity of 1 was found to be significantly higher than that of the parent substrate Tan IIA. Preliminary experiments indicate that tanshisorbicin is formed via a [4+2] cycloaddition reaction that is likely catalyzed by microbial enzyme.
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9
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Han L, Wang H, Si N, Ren W, Gao B, Li Y, Yang J, Xu M, Zhao H, Bian B. Metabolites profiling of 10 bufadienolides in human liver microsomes and their cytotoxicity variation in HepG2 cell. Anal Bioanal Chem 2016; 408:2485-95. [DOI: 10.1007/s00216-016-9345-y] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2015] [Revised: 01/06/2016] [Accepted: 01/18/2016] [Indexed: 01/23/2023]
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10
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New cytotoxic 19-norbufadienolide and bufogargarizin isolated from Chan Su. Fitoterapia 2015; 104:1-6. [DOI: 10.1016/j.fitote.2015.05.011] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2015] [Revised: 05/12/2015] [Accepted: 05/14/2015] [Indexed: 01/09/2023]
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11
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Biotransformation of Steroids and Flavonoids by Cultures of Aspergillus niger. Appl Biochem Biotechnol 2015; 176:903-23. [DOI: 10.1007/s12010-015-1619-x] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2014] [Accepted: 04/06/2015] [Indexed: 10/23/2022]
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12
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Jiang L, Liang SC, Wang C, Ge GB, Huo XK, Qi XY, Deng S, Liu KX, Ma XC. Identifying and applying a highly selective probe to simultaneously determine the O-glucuronidation activity of human UGT1A3 and UGT1A4. Sci Rep 2015; 5:9627. [PMID: 25884245 PMCID: PMC4401096 DOI: 10.1038/srep09627] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2014] [Accepted: 03/11/2015] [Indexed: 02/06/2023] Open
Abstract
Glucuronidation mediated by uridine 5′-diphospho (UDP)-glucuronosyltransferase is an important detoxification pathway. However, identifying a selective probe of UDP- glucuronosyltransferase is complicated because of the significant overlapping substrate specificity displayed by the enzyme. In this paper, desacetylcinobufagin (DACB) 3-O- and 16-O-glucuronidation were found to be isoform-specific probe reactions for UGT1A4 and UGT1A3, respectively. DACB was well characterized as a probe for simultaneously determining the catalytic activities of O-glucuronidation mediated by UGT1A3 and UGT1A4 from various enzyme sources, through a sensitive analysis method.
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Affiliation(s)
- Li Jiang
- College of Pharmacy, Key Laboratory of Pharmacokinetic and Drug Transport of Liaoning, Academy of Integrative Medicine, Dalian Medical University, Dalian, 116044, China
| | - Si-Cheng Liang
- 1] Laboratory of Pharmaceutical Resource Discovery, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China [2] Graduate School of Chinese Academy of Sciences, Beijing, China
| | - Chao Wang
- College of Pharmacy, Key Laboratory of Pharmacokinetic and Drug Transport of Liaoning, Academy of Integrative Medicine, Dalian Medical University, Dalian, 116044, China
| | - Guang-Bo Ge
- Laboratory of Pharmaceutical Resource Discovery, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China
| | - Xiao-Kui Huo
- College of Pharmacy, Key Laboratory of Pharmacokinetic and Drug Transport of Liaoning, Academy of Integrative Medicine, Dalian Medical University, Dalian, 116044, China
| | - Xiao-Yi Qi
- Second Affiliated Hospital of Dalian Medical University, Dalian, China
| | - Sa Deng
- College of Pharmacy, Key Laboratory of Pharmacokinetic and Drug Transport of Liaoning, Academy of Integrative Medicine, Dalian Medical University, Dalian, 116044, China
| | - Ke-Xin Liu
- College of Pharmacy, Key Laboratory of Pharmacokinetic and Drug Transport of Liaoning, Academy of Integrative Medicine, Dalian Medical University, Dalian, 116044, China
| | - Xiao-Chi Ma
- College of Pharmacy, Key Laboratory of Pharmacokinetic and Drug Transport of Liaoning, Academy of Integrative Medicine, Dalian Medical University, Dalian, 116044, China
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Nassiri-Koopaei N, Faramarzi MA. Recent developments in the fungal transformation of steroids. BIOCATAL BIOTRANSFOR 2015. [DOI: 10.3109/10242422.2015.1022533] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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14
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Mai ZP, Wang C, Wang Y, Zhang HL, Zhang BJ, Wang W, Huo XK, Huang SS, Wang CY, Liu KX, Ma XC, Wang XB. Bioactive metabolites of Schisanlactone E transformed by Cunninghamella blakesleana AS 3.970. Fitoterapia 2014; 99:352-61. [DOI: 10.1016/j.fitote.2014.10.016] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2014] [Revised: 10/22/2014] [Accepted: 10/26/2014] [Indexed: 10/24/2022]
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15
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Xin XL, Huo H, Chen L, Li J, Sun JH, Zheng PW, Sun Y, Wu ZM, Xiong YH. Microbial transformation of acetyl-11-keto-boswellic acid by Cunninghamella elegans. JOURNAL OF ASIAN NATURAL PRODUCTS RESEARCH 2013; 15:1173-1178. [PMID: 24168329 DOI: 10.1080/10286020.2013.837455] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
Microbial biotransformation of acetyl-11-keto-boswellic acid by Cunninghamella elegans AS 3.1207 was carried out, and totally four transformed products were isolated. On the basis of the extensive spectral data, their structures were characterized as 7β-hydroxy-11-keto-boswellic acid (1), 7β,30-dihydroxy-11-keto-boswellic acid (2), 7β,16α-dihydroxy-3-acetyl-11-keto-boswellic acid (3), and 7β,15α,21β-trihydroxy-3-acetyl-11-keto-boswellic acid (4), respectively. Among them, products 1 and 2 are the new compounds.
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Affiliation(s)
- Xiu-Lan Xin
- a College of Bioengineering, Beijing Polytechnic , Beijing , 100029 , China
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16
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Xin XL, Dong PP, Wang G, Xi RG, Liu D, Wu ZM, Sun XC, Lan R, Wang XB. Biotransformation of osthole by Alternaria longipes. JOURNAL OF ASIAN NATURAL PRODUCTS RESEARCH 2013; 15:717-722. [PMID: 23679093 DOI: 10.1080/10286020.2013.795951] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
The biotransformation of osthole (1) by Alternaria longipes was carried out, and five transformed products were obtained in the present research work. Based on their extensive spectral data, the structures of these metabolites were characterized as 4'-hydroxyl-osthole (2), 4'-hydroxyl-2',3'-dihydroosthole (3), 2',3'-dihydroxylosthole (4), osthole-4'-oic acid methyl ester (5), and osthole-4'-oic acid glucuron-1-yl ester (6), respectively. Among them, products 5 and 6 were new compounds.
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Affiliation(s)
- Xiu-Lan Xin
- College of Bioengineering, Beijing Polytechnic, China.
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