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Nakano D, Ishitsuka K, Ishihara M, Tsuchihashi R, Okawa M, Tamura K, Kinjo J. Screening of Promising Chemotherapeutic Candidates from Plants against Human Adult T-Cell Leukemia/Lymphoma (VII): Active Principles from Thuja occidentalis L. Molecules 2021; 26:7619. [PMID: 34946696 PMCID: PMC8707666 DOI: 10.3390/molecules26247619] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2021] [Revised: 12/08/2021] [Accepted: 12/13/2021] [Indexed: 11/16/2022] Open
Abstract
During the screening of novel chemotherapeutic candidates from plants against adult T-cell leukemia/lymphoma, we identified that the extracts of Thuja occidentalis (Cupressaceae) showed potent anti-proliferative activity in MT-1 and MT-2 cells. Therefore, we attempted to isolate the active components from this plant. We isolated and identified 32 compounds (1-32; eight lignans, 18 terpenoids, and six flavonoids) from the extracts of the leaves and cones. Their structures were determined by spectroscopic analysis. Several of the isolated compounds inhibited the growth of both cell lines. Lignans showed more potent activity than other classes of compounds. A comparison of the activities of compounds 1-8 revealed that the presence of a trans-lactone (linkage of C-6 to C-7) correlated with increased activity. Diterpenes showed moderate activity, and the presence of a ketone moiety at the C-7 position correlated with increased activity in compounds 12-21. In addition, biflavones showed moderate activity, and the presence of methoxy functions appeared to influence the activity of these compounds. Several lignans were lead compound of anti-cancer reagent (etoposide). In conclusion, not only lignans, but also diterpenes and/or biflavones, may be promising candidates for the treatment of adult T-cell leukemia/lymphoma.
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Affiliation(s)
- Daisuke Nakano
- Faculty of Pharmaceutical Sciences, Fukuoka University, Fukuoka 814-0180, Japan; (D.N.); (M.I.); (R.T.); (J.K.)
| | - Kenji Ishitsuka
- Division of Hematology and Rheumatology, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima 890-8544, Japan;
| | - Madoka Ishihara
- Faculty of Pharmaceutical Sciences, Fukuoka University, Fukuoka 814-0180, Japan; (D.N.); (M.I.); (R.T.); (J.K.)
| | - Ryota Tsuchihashi
- Faculty of Pharmaceutical Sciences, Fukuoka University, Fukuoka 814-0180, Japan; (D.N.); (M.I.); (R.T.); (J.K.)
| | - Masafumi Okawa
- Faculty of Pharmaceutical Sciences, Fukuoka University, Fukuoka 814-0180, Japan; (D.N.); (M.I.); (R.T.); (J.K.)
| | - Kazuo Tamura
- Division of Medical Oncology, Hematology and Infectious Disease, Department of Internal Medicine, Fukuoka University, Fukuoka 814-0180, Japan;
| | - Junei Kinjo
- Faculty of Pharmaceutical Sciences, Fukuoka University, Fukuoka 814-0180, Japan; (D.N.); (M.I.); (R.T.); (J.K.)
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Stefanow V, Grandane A, Eh M, Panten J, Spannenberg A, Werner T. Stereoselective Synthesis of a cis-Cedrane-8,9-diol as a Key Intermediate for an Amber Odorant. Org Process Res Dev 2021. [DOI: 10.1021/acs.oprd.0c00423] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Vivian Stefanow
- Leibniz Institute for Catalysis at the University of Rostock, Albert-Einstein-Str. 29a, 18059 Rostock, Germany
| | - Aiga Grandane
- Leibniz Institute for Catalysis at the University of Rostock, Albert-Einstein-Str. 29a, 18059 Rostock, Germany
| | - Marcus Eh
- Symrise AG, Mühlenfeldstraße 1, 37603 Holzminden, Germany
| | | | - Anke Spannenberg
- Leibniz Institute for Catalysis at the University of Rostock, Albert-Einstein-Str. 29a, 18059 Rostock, Germany
| | - Thomas Werner
- Leibniz Institute for Catalysis at the University of Rostock, Albert-Einstein-Str. 29a, 18059 Rostock, Germany
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Oubabi R, Auhmani A, Ait Itto MY, Auhmani A, Daran JC. (4bS,8aS)-1-Isopropyl-4b,8,8-trimethyl-4b,5,6,7,8,8a,9,10-octa-hydro-phenan-thren-2-yl benzoate. Acta Crystallogr Sect E Struct Rep Online 2014; 70:o866-7. [PMID: 25249914 PMCID: PMC4158506 DOI: 10.1107/s1600536814015827] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2014] [Accepted: 07/07/2014] [Indexed: 11/11/2022]
Abstract
The title compound, C27H34O2, was hemisynthesized through direct benzoyl-ation of the naturally occurring meroterpene totarol. The central fused six-membered ring has a half-chair conformation, whereas the terminal six-membered ring displays a chair conformation. The dihedral angle between the fused benzene ring and the benzoyl benzene ring is 73.05 (14)°. The S,S chirality of the mol-ecule is consistent with the synthetic pathway, and confirmed by the refinement of the Flack parameter.
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Affiliation(s)
- Radouane Oubabi
- Laboratoire de Synthése Organique et Physico-Chimie Moléculaire, Département de Chimie, Faculté des Sciences Semlalia, BP 2390 Marrakech 40000, Morocco
| | - Aziz Auhmani
- Laboratoire de Synthése Organique et Physico-Chimie Moléculaire, Département de Chimie, Faculté des Sciences Semlalia, BP 2390 Marrakech 40000, Morocco
| | - My Youssef Ait Itto
- Laboratoire de Synthése Organique et Physico-Chimie Moléculaire, Département de Chimie, Faculté des Sciences Semlalia, BP 2390 Marrakech 40000, Morocco
| | - Abdelwahed Auhmani
- Laboratoire de Synthése Organique et Physico-Chimie Moléculaire, Département de Chimie, Faculté des Sciences Semlalia, BP 2390 Marrakech 40000, Morocco
| | - Jean-Claude Daran
- Laboratoire de Chimie de Coordination, 205 route de Narbonne, 31077 Toulouse Cedex 04, France
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Szostak M, Fazakerley NJ, Parmar D, Procter DJ. Cross-Coupling Reactions Using Samarium(II) Iodide. Chem Rev 2014; 114:5959-6039. [DOI: 10.1021/cr400685r] [Citation(s) in RCA: 290] [Impact Index Per Article: 29.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Michal Szostak
- School
of Chemistry, University of Manchester, Oxford Road, Manchester, M13 9PL, United Kingdom
| | - Neal J. Fazakerley
- School
of Chemistry, University of Manchester, Oxford Road, Manchester, M13 9PL, United Kingdom
| | - Dixit Parmar
- School
of Chemistry, University of Manchester, Oxford Road, Manchester, M13 9PL, United Kingdom
| | - David J. Procter
- School
of Chemistry, University of Manchester, Oxford Road, Manchester, M13 9PL, United Kingdom
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Oubabi R, Auhmani A, Ait Itto MY, Auhmani A, Daran JC. (4bS,8aS)-1-Isopropyl-4b,8,8-trimethyl-4b,5,6,7,8,8a,9,10-octa-hydro-phenan-thren-2-yl acetate. Acta Crystallogr Sect E Struct Rep Online 2014; 70:o317. [PMID: 24765017 PMCID: PMC3998421 DOI: 10.1107/s1600536814002748] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2014] [Accepted: 02/05/2014] [Indexed: 11/17/2022]
Abstract
The hemisynthesis of the title compound, C22H32O2, was carried out through direct acetylation reaction of the naturally occurring diterpene totarol [systematic name: (4bS,8aS)-4b,8,8-trimethyl-1-propan-2-yl-5,6,7,8a,9,10-hexahydrophenanthren-2-ol]. The molecule is built up from three fused six membered rings, one saturated and two unsaturated. The central unsaturated ring has a half-chair conformation, whereas the other unsaturated ring displays a chair conformation. The absolute configuration is deduced from the chemical pathway. The value of the Hooft parameter [−0.10 (6)] allowed this absolute configuration to be confirmed.
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Affiliation(s)
- Radouane Oubabi
- Laboratoire de Synthése Organique et Physico-Chimie Moléculaire, Département de Chimie, Faculté des Sciences, Semlalia, BP 2390, Marrakech 40000, Morocco
| | - Aziz Auhmani
- Laboratoire de Synthése Organique et Physico-Chimie Moléculaire, Département de Chimie, Faculté des Sciences, Semlalia, BP 2390, Marrakech 40000, Morocco
| | - My Youssef Ait Itto
- Laboratoire de Synthése Organique et Physico-Chimie Moléculaire, Département de Chimie, Faculté des Sciences, Semlalia, BP 2390, Marrakech 40000, Morocco
| | - Abdelwahed Auhmani
- Laboratoire de Synthése Organique et Physico-Chimie Moléculaire, Département de Chimie, Faculté des Sciences, Semlalia, BP 2390, Marrakech 40000, Morocco
| | - Jean-Claude Daran
- Laboratoire de Chimie de Coordination, 205 route de Narbonne, 31077 Toulouse Cedex 04, France
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Zaugg J, Khom S, Eigenmann D, Baburin I, Hamburger M, Hering S. Identification and characterization of GABA(A) receptor modulatory diterpenes from Biota orientalis that decrease locomotor activity in mice. JOURNAL OF NATURAL PRODUCTS 2011; 74:1764-1772. [PMID: 21793559 DOI: 10.1021/np200317p] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
An ethyl acetate extract of Biota orientalis leaves potentiated GABA-induced control current by 92.6% ± 22.5% when tested at 100 μg/mL in Xenopus laevis oocytes expressing GABA(A) receptors (α₁β₂γ(2S) subtype) in two-microelectrode voltage clamp measurements. HPLC-based activity profiling was used to identify isopimaric acid (4) and sandaracopimaric acid (5) as the compounds largely responsible for the activity. Sandaracopimaradienolal (3) was characterized as a new natural product. Compounds 4 and 5 were investigated for GABA(A) receptor subtype selectivity at the subtypes α₁β₁γ(2S), α₁β₂γ(2S), α₁β₃γ(2S), α₂β₂γ(2S), α₃β₂γ(2S), and α₅β₂γ(2S). Sandaracopimaric acid (5) was significantly more potent than isopimaric acid (4) at the GABA(A) receptor subtypes α₁β₁γ(2S), α₂β₂γ(2S), and α₅β₂γ(2S) (EC₅₀4: 289.5 ± 82.0, 364.8 ± 85.0, and 317.0 ± 83.7 μM vs EC₅₀5: 48.1 ± 13.4, 31.2 ± 4.8, and 40.7 ± 14.7 μM). The highest efficiency was reached by 4 and 5 on α₂- and α₃-containing receptor subtypes. In the open field test, ip administration of 5 induced a dose-dependent decrease of locomotor activity in a range of 3 to 30 mg/kg body weight in mice. No significant anxiolytic-like activity was observed in doses between 1 and 30 mg/kg body weight in mice.
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Affiliation(s)
- Janine Zaugg
- Division of Pharmaceutical Biology, University of Basel , Klingelbergstrasse 50, 4056 Basel, Switzerland
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Marcos I, Benéitez A, Moro R, Basabe P, Díez D, Urones J. Semisynthesis of (+)-angeloyl-gutierrezianolic acid methyl ester diterpenoid. Tetrahedron 2010. [DOI: 10.1016/j.tet.2010.09.051] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Kim MB, Shaw JT. Synthesis of antimicrobial natural products targeting FtsZ: (+)-totarol and related totarane diterpenes. Org Lett 2010; 12:3324-7. [PMID: 20597470 PMCID: PMC2927847 DOI: 10.1021/ol100929z] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
An efficient, convergent synthesis of totarol by a diastereoselective epoxide/alkene/arene bicyclization is described. The reported synthesis enables the preparation of related diterpenes totaradiol and totarolone as well as previously unavailable derivatives that exhibit comparable inhibition of the bacterial cell division protein FtsZ.
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Affiliation(s)
- Michelle B. Kim
- Department of Chemistry, One Shields Ave, University of California, Davis, CA 95616
| | - Jared T. Shaw
- Department of Chemistry, One Shields Ave, University of California, Davis, CA 95616
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Tada M, Kurabe J, Yasue H, Ikuta T. Synthesis of Totarane Diterpenes: Totarol, Maytenoquinone, 6-Deoxymaytenoquinone and 8,11,13-Totaratriene-12,13-diol. Chem Pharm Bull (Tokyo) 2008; 56:287-91. [DOI: 10.1248/cpb.56.287] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Masahiro Tada
- Laboratory of Bioorganic Chemistry, Tokyo University of Agriculture and Technology
| | - Jun Kurabe
- Laboratory of Bioorganic Chemistry, Tokyo University of Agriculture and Technology
| | - Hiroaki Yasue
- Laboratory of Bioorganic Chemistry, Tokyo University of Agriculture and Technology
| | - Tomohisa Ikuta
- Laboratory of Bioorganic Chemistry, Tokyo University of Agriculture and Technology
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