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Pakrashy S, Chakraborty S, Manna S, Nanda Goswami J, Bhattacharya B, Emmerling F, Mandal J, Misra S, Maiti Choudhury S, Okla MK, Bose A, Maurya PK, Majhi A, Dolai M. Inhibition of Human Colorectal Cancer by a Natural Product 7-Acetylhorminone and Interactions with BSA/HSA: Multispectral Analysis and In Silico and In Vitro Studies. ACS APPLIED BIO MATERIALS 2024; 7:3414-3430. [PMID: 38687465 DOI: 10.1021/acsabm.4c00335] [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] [Indexed: 05/02/2024]
Abstract
We have semi-synthesized a natural product 7-acetylhorminone from crude extract of Premna obtusifolia (Indian headache tree), which is active against colorectal cancer after probation through computational screening methods as it passed through the set parameters of pharmacokinetics (most important nonblood-brain barrier permeant) and drug likeliness (e.g., Lipinski's, Ghose's, Veber's rule) which most other phytoconstituents failed to pass combined with docking with EGFR protein which is highly upregulated in the colorectal carcinoma cell. The structure of 7-acetylhorminone was confirmed by single crystal X-ray diffraction studies and 1H NMR, 13C NMR, and COSY studies. To validate the theoretical studies, first, in vitro experiments were carried out against human colorectal carcinoma cell lines (HCT116) which revealed the potent cytotoxic efficacy of 7-acetylhorminone and verified preliminary investigation. Second, the drugability of 7-acetylhorminone interaction with serum albumin proteins (HSA and BSA) is evaluated both theoretically and experimentally via steady-state fluorescence spectroscopic studies, circular dichroism, isothermal titration calorimetry, and molecular docking. In summary, this study reveals the applicability of 7-acetylhorminone as a potent drug candidate or as a combinatorial drug against colorectal cancer.
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Affiliation(s)
- Sourav Pakrashy
- Department of Chemistry, Prabhat Kumar College, Purba Medinipur 721404, W.B., India
- Department of Chemistry, Presidency University, 86/1 College Street, Kolkata 700 073, India
| | - Souvik Chakraborty
- Department of Physiology, Bhairab Ganguly College, 2, Feeder Rd., Beehive Garden, Belghoria, Kolkata, West Bengal 700056, India
| | - Sounik Manna
- Biochemistry, Molecular Endocrinology, and Reproductive Physiology Laboratory, Department of Human Physiology, Vidyasagar University, Midnapore, W.B. 721102, India
| | - Juli Nanda Goswami
- Department of Chemistry, Prabhat Kumar College, Purba Medinipur 721404, W.B., India
| | - Biswajit Bhattacharya
- BAM Federal Institute for Materials Research and Testing, Richard-Willstätter-Str. 11, 12489 Berlin, Germany
| | - Franziska Emmerling
- BAM Federal Institute for Materials Research and Testing, Richard-Willstätter-Str. 11, 12489 Berlin, Germany
| | - Jishu Mandal
- Organic and Medicinal Chemistry Division, CSIR-Indian Institute of Chemical Biology, 4, Raja S.C. Mullick Road, Kolkata 700032, India
| | - Sourav Misra
- Department of Chemistry, Presidency University, 86/1 College Street, Kolkata 700 073, India
| | - Sujata Maiti Choudhury
- Biochemistry, Molecular Endocrinology, and Reproductive Physiology Laboratory, Department of Human Physiology, Vidyasagar University, Midnapore, W.B. 721102, India
| | - Mohammad K Okla
- Botany and Microbiology Department, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | - Adity Bose
- Department of Chemistry, Presidency University, 86/1 College Street, Kolkata 700 073, India
| | - Pawan Kumar Maurya
- Division of Non-Communicable Diseases, Centre for Ageing and Mental Health, Indian Council of Medical Research, Kolkata 700091, India
| | - Anjoy Majhi
- Department of Chemistry, Presidency University, 86/1 College Street, Kolkata 700 073, India
| | - Malay Dolai
- Department of Chemistry, Prabhat Kumar College, Purba Medinipur 721404, W.B., India
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Xia F, Lin LS, Ye YS, Yang L, Zhao JH, Xu G. 11,12-seco-Abietane-type diterpene lactones with potential antiplatelet activity from Salvia prattii. Bioorg Chem 2023; 140:106834. [PMID: 37677855 DOI: 10.1016/j.bioorg.2023.106834] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Revised: 08/22/2023] [Accepted: 08/31/2023] [Indexed: 09/09/2023]
Abstract
Eleven new abietane-type diterpene lactones, salpratlactones D-N (1-11), including five 11,12-seco-11-nor-abietane diterpenes (1-5), four 11,12-seco-abietane diterpenes (6-9), two 20(10 → 5)-abeo-4,5;11,12-bis-seco-abietane diterpenes (10-11), and two known analogues (12-13), were characterized from Salvia prattii. Notably, compounds 1-3 were characterized by a unique linear 6/6/6 tricyclic skeleton. The structures were established by spectroscopic data interpretation, calculated NMR-DP4+ and electronic circular dichroism analysis, as well as single-crystal X-ray diffraction. A bioactivity study showed that 1, 2, 5, 11, and 12 can potently inhibit platelet aggregation induced by arachidonic acid (AA), with IC50 values of 5.66-16.10 μg/ml, stronger than aspirin. In addition, the lactate dehydrogenase assay showed that they had no effect on platelet integrity. Structurally, the same 1,2-benzopyrone fragments of 1, 2, and 5 should be the important pharmacophore for antiplatelet activity.
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Affiliation(s)
- Fan Xia
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, Yunnan, People's Republic of China
| | - Li-Sha Lin
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, Yunnan, People's Republic of China
| | - Yan-Song Ye
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, Yunnan, People's Republic of China
| | - Lian Yang
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, Yunnan, People's Republic of China
| | - Jin-Hua Zhao
- School of Pharmaceutical Sciences, South-Central University for Nationalities, Wuhan 430000, Hubei, People's Republic of China.
| | - Gang Xu
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, Yunnan, People's Republic of China.
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Nazemosadat-Arsanjani Z, Moein M, Yousuf S, Firuzi O, Choudhary MI. Reassessing the molecular structures of some previously isolated abietane diterpenoids with a naphthalene moiety and the structure-activity relationship (SAR) of quinone diterpenoids. PHYTOCHEMISTRY 2022; 204:113433. [PMID: 36115387 DOI: 10.1016/j.phytochem.2022.113433] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Revised: 09/09/2022] [Accepted: 09/09/2022] [Indexed: 06/15/2023]
Abstract
Crystals of previously described para-naphthoquinone abietane diterpenoids 12,16-dideoxy-aegyptinone B and 12-deoxy-salvipisone were obtained from Zhumeria majdae Rech.f. & Wendelbo. However, single-crystal X-ray diffraction analysis followed by reinterpretation of their NMR data revealed that their structures require revision, and they should be revised to the two ortho-naphthoquinones, zhumerianone C and aethiopinone, respectively. Interestingly, a further search through literature revealed that there were more of such cases, in which differentiation between the ortho-/para-orientation had not been carried out correctly in the structure elucidation of naphthalene containing abietane diterpenoids. Therefore, in the current study, we pointed out some 1D and 2D NMR generalizations that would help the unambiguous deduction of the ortho-/para-orientation of naphthalene containing abietanes and revised the structure of some previously described compounds accordingly. Based on these generalizations, structures of sibiriquinones A and B, sahandinone, and sahandone were revised to the known structures 1,2-didehydromiltirone, miltirone, saprorthoquinone, and sahandone B, respectivelyand tebesinone B, arucadiol, and sahandol II were revised to three undescribed structures. It was also proposed that structures of palmitoyl arucadiol and compounds with the salvifolane skeleton need revision. Furthermore, these structure revisions shed light on the structure-activity relationship of the quinone diterpenoids, approving that the ortho-quinone is the critical structural component for cytotoxicity in these compounds.
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Affiliation(s)
- Zahra Nazemosadat-Arsanjani
- Department of Pharmacognosy, School of Pharmacy, Shiraz University of Medical Sciences, Shiraz 7146864685, Iran.
| | - Mahmoodreza Moein
- Department of Pharmacognosy, School of Pharmacy, Shiraz University of Medical Sciences, Shiraz 7146864685, Iran; Medicinal Plants Processing Research Center, Shiraz University of Medical Sciences, Shiraz 7474133858, Iran.
| | - Sammer Yousuf
- H.E.J. Research Institute of Chemistry, International Center for Chemical and Biological Sciences, University of Karachi, Karachi, 75270, Pakistan
| | - Omidreza Firuzi
- Medicinal and Natural Products Chemistry Research Center, Shiraz University of Medical Sciences, Shiraz 7134853734, Iran
| | - Muhammad Iqbal Choudhary
- H.E.J. Research Institute of Chemistry, International Center for Chemical and Biological Sciences, University of Karachi, Karachi, 75270, Pakistan; Department of Biochemistry, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia
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Naeini AA, Ziegelmeier AA, Chain WJ. Recent Developments with Icetexane Natural Products. Chem Biodivers 2022; 19:e202200793. [PMID: 36215180 PMCID: PMC11067433 DOI: 10.1002/cbdv.202200793] [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: 08/23/2022] [Accepted: 10/10/2022] [Indexed: 11/06/2022]
Abstract
Icetexane diterpenoids are a diverse family of natural products sourced from several species of terrestrial plants. Icetexanes exhibit a broad array of biological activities and together with their complex 6-7-6 tricyclic scaffolds, they have piqued the interest of synthetic organic chemists, natural products chemists, and biological investigators over the past four decades and were reviewed 13 years ago. This review summarizes icetexane natural products isolated since 2009, provides an overview of new synthetic approaches to the icetexane problem, and proposes an additional classification of icetexanes based on novel structures that are unlike previously isolated materials.
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Affiliation(s)
- Ali Amiri Naeini
- Department of Chemistry & Biochemistry, University of Delaware, Newark, DE 19716, United States
| | - Alexandre A Ziegelmeier
- Department of Chemistry & Biochemistry, University of Delaware, Newark, DE 19716, United States
| | - William J Chain
- Department of Chemistry & Biochemistry, University of Delaware, Newark, DE 19716, United States
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Campos-Xolalpa N, Alonso-Castro ÁJ, Ortíz-Sanchez E, Zapata-Morales JR, González-Chávez MM, Pérez S. Anti-inflammatory and antitumor activities of the chloroform extract and anti-inflammatory effect of the three diterpenes isolated from Salvia ballotiflora Benth. BMC Complement Med Ther 2021; 21:17. [PMID: 33413289 PMCID: PMC7791881 DOI: 10.1186/s12906-020-03179-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Accepted: 12/07/2020] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND Drugs used for the treatment of diseases associated with chronic inflammation, such as cancer and rheumatoid arthritis have the potential to cause undesirable side-effects, which might result in patients ending treatment prematurely. However, plants are a viable option for the treatment of inflammatory diseases. In this study, we assessed the in vivo and in vitro anti-inflammatory activity, and the antitumor effects of the chloroform extract of Salvia ballotiflora (ECL). The pro-apoptotic effects of ECL in CT26 cells were also determined. METHODS The chloroform extract of Salvia ballotiflora (ECL) was standardized using 19-deoxyicetexone (DEOX) as a phytochemical marker. The anti-inflammatory activity of ECL was determined on acute and chronic inflammatory models using the TPA-induced mouse ear edema assay. The antitumor activity of ECL was evaluated by the subcutaneous inoculation of CT26 cells on the back of Balb/c mice. In vitro CT26 cell death induced by ECL was determined by Annexin V/propidium iodide staining assay using flow cytometry. ECL and the diterpenes isolated from the chloroform extract included 19-deoxyicetexone (DEOX), icetexone (ICT), and 7,20-dihydroanastomosine (DAM), which were tested in LPS-stimulated J774A.1 macrophages to quantify pro-inflammatory cytokine levels. The in vitro anti-arthritic activity of ECL was determined using the bovine serum protein (BSP) denaturation assay. RESULTS ECL exerted anti-inflammatory activities in acute (84% of inhibition, 2 mg/ear) and chronic models (62.71%, at 100 mg/kg). ECL showed antitumor activity at 200 mg/kg and 300 mg/kg, reducing tumor volume by 30 and 40%, respectively. ECL (9.5 μg/mL) induced in vitro apoptosis in CT26 cells by 29.1% (48 h of treatment) and 93.9% (72 h of treatment). ECL (10 μg/ml) decreased levels of NO (53.7%), pro-inflammatory cytokines IL-6 (44.9%), IL-1β (71.9%), and TNF-α (40.1%), but increased the production of the anti-inflammatory cytokine IL-10 (44%). The diterpenes DEOX, ICT, and DAM decreased levels of NO (38.34, 47.63, 67.15%), IL-6 (57.84, 60.45, 44.26%), and TNF-α (38.90, 31.30, 32.83%), respectively. ECL showed in vitro antiarthritic activity (IC50 = 482.65 μg/mL). CONCLUSIONS ECL exhibited anti-inflammatory and anti-tumor activities. Furthermore, the diterpenes DEOX, DAM, and ICT showed anti-inflammatory activity by reducing levels of NO, TNF-α, and IL-6.
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Affiliation(s)
- Nimsi Campos-Xolalpa
- Doctorado en Ciencias Biólogicas y de la Salud, Universidad Autónoma Metropolitana-Xochimilco, Calzada del Hueso 1100, Col. Villa Quietud, Delegación Coyoacán, CP 04960, Ciudad de México, Mexico
| | - Ángel Josabad Alonso-Castro
- Departament of Farmacia, División de Ciencias Naturales y Exactas, Universidad de Guanajuato, Noria Alta S/N C.P, 36050, Guanajuato, GTO, Mexico
| | - Elizabeth Ortíz-Sanchez
- Instituto Nacional de Cancerología, Subdirección de Investigación Básica, Av. San Fernando 22, Belisario Domínguez, 14080, CDMX, CO, Mexico
| | - Juan Ramon Zapata-Morales
- Departament of Farmacia, División de Ciencias Naturales y Exactas, Universidad de Guanajuato, Noria Alta S/N C.P, 36050, Guanajuato, GTO, Mexico
| | - Marco Martin González-Chávez
- Centro de Investigación y Estudios de Posgrado, Facultad de Ciencias Químicas, Universidad Autónoma de San Luis Potosí, Av. Dr. Manuel Nava 6, Zona Universitaria, 78210, San Luis Potosí, SLP, Mexico
| | - Salud Pérez
- Department of Sistemas Biológicos, Universidad Autónoma Metropolitana-Xochimilco, Calzada del Hueso 1100, Col. Villa Quietud, Delegación Coyoacán, CP 04960, Ciudad de México, Mexico.
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Tu PC, Liang YC, Huang GJ, Lin MK, Kao MC, Lu TL, Sung PJ, Kuo YH. Cytotoxic and Anti-inflammatory Terpenoids from the Whole Plant of Vaccinium emarginatum. PLANTA MEDICA 2020; 86:1313-1322. [PMID: 32645739 DOI: 10.1055/a-1192-6225] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Two new Δ12 ursene-type triterpenoid coumaroyl esters (1: and 2: ), one new Δ7,15 isopimarane-type diterpenoid glycoside (20: ), and two new irido-δ-lactone-type iridoids (21: and 22: ), together with 17 known pentacyclic triterpenoids (3: - 19: ), were isolated during the phytochemical investigation of a methanol extract of the whole plant of Vaccinium emarginatum. Their structures were determined by detailed analysis of standard spectroscopic data (MS, IR, 1D, and 2D NMR) and comparison with data of known analogs. The isolates were evaluated for their cytotoxicity against the PC-3 and Du145 prostate cancer cell lines (as assessed by an MTT cell proliferation assay), as well as for their anti-inflammatory activity via the inhibition of nitric oxide production in lipopolysaccharide-induced murine macrophage RAW 264.7 cells. Among the isolates, the triterpenoid coumaroyl and feruloyl esters (1, 3: , and 4: ) exhibited strong cytotoxicity against PC-3 prostate cancer cells, with 85.6 - 90.2% inhibition at 10.0 µg/mL. The pomolic acid coumaroyl and feruloyl esters (1: and 3: ) also showed moderate anti-inflammatory activity against nitric oxide production in lipopolysaccharide-induced RAW 264.7 cells, with 59.2 (± 1.0) and 47.1% (± 0.2) inhibition at 12.5 µg/mL, respectively.
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Affiliation(s)
- Ping-Chen Tu
- The Ph.D. Program for Cancer Biology and Drug Discovery, China Medical University and Academia Sinica, Taichung, Taiwan
| | - Yu-Chia Liang
- Department of Chinese Pharmaceutical Sciences and Chinese Medicine Resources, China Medical University, Taichung, Taiwan
| | - Guan-Jhong Huang
- Department of Chinese Pharmaceutical Sciences and Chinese Medicine Resources, China Medical University, Taichung, Taiwan
| | - Ming-Kuem Lin
- Department of Chinese Pharmaceutical Sciences and Chinese Medicine Resources, China Medical University, Taichung, Taiwan
| | - Ming-Ching Kao
- Department of Biological Science and Technology, China Medical University, Taichung, Taiwan
| | - Te-Ling Lu
- School of Pharmacy, China Medical University, Taichung, Taiwan
| | - Ping-Jyun Sung
- National Museum of Marine Biology and Aquarium, Pingtung, Taiwan
- Graduate Institute of Marine Biology, National Dong Hwa University, Hualien, Taiwan
| | - Yueh-Hsiung Kuo
- Department of Chinese Pharmaceutical Sciences and Chinese Medicine Resources, China Medical University, Taichung, Taiwan
- Department of Biotechnology, Asia University, Taichung, Taiwan
- Chinese Medicine Research Center, China Medical University, Taichung, Taiwan
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Ahmad A, Burtoloso ACB. Total Synthesis of (±)-Brussonol and (±)-Komaroviquinone via a Regioselective Cross-Electrophile Coupling of Aryl Bromides and Epoxides. Org Lett 2019; 21:6079-6083. [DOI: 10.1021/acs.orglett.9b02221] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Anees Ahmad
- Instituto de Química de Sao Carlos, Universidade de Sao Paulo, CEP 13560-970, Sao Carlos, SP, Brazil
| | - Antonio C. B. Burtoloso
- Instituto de Química de Sao Carlos, Universidade de Sao Paulo, CEP 13560-970, Sao Carlos, SP, Brazil
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Moon DJ, Al-Amin M, Lewis RS, Arnold KM, Yap GPA, Sims-Mourtada J, Chain WJ. A Strategy toward Icetexane Natural Products. European J Org Chem 2018; 2018:3348-3351. [PMID: 30923458 PMCID: PMC6433415 DOI: 10.1002/ejoc.201800707] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2018] [Indexed: 11/05/2022]
Abstract
Icetexane diterpenoids are richly complex polycyclic natural products that have been described with a variety of biological activities. We report here a general synthetic approach toward the 6-7-6 tricyclic core structure of these interesting synthetic targets based on a two-step enolate alkylation and ring-closing metathesis reaction sequence.
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Affiliation(s)
- Daniel J Moon
- Department of Chemistry & Biochemistry, University of Delaware, Newark, DE 19176, United States
| | - Mohammad Al-Amin
- Department of Chemistry & Biochemistry, University of Delaware, Newark, DE 19176, United States
| | - Robert S Lewis
- Department of Chemistry & Biochemistry, University of Delaware, Newark, DE 19176, United States
| | - Kimberly M Arnold
- Center for Translational Cancer Research, Helen F. Graham Cancer Center and Research Institute, Christiana Care Health Service, Newark, DE 19713, United States
- Department of Medical Laboratory Sciences, University of Delaware, Newark, DE 19176, United States
| | - Glenn P A Yap
- Department of Chemistry & Biochemistry, University of Delaware, Newark, DE 19176, United States
| | - Jennifer Sims-Mourtada
- Center for Translational Cancer Research, Helen F. Graham Cancer Center and Research Institute, Christiana Care Health Service, Newark, DE 19713, United States
- Department of Medical Laboratory Sciences, University of Delaware, Newark, DE 19176, United States
- Department of Biological Sciences, University of Delaware, Newark, DE 19176, United States
| | - William J Chain
- Department of Chemistry & Biochemistry, University of Delaware, Newark, DE 19176, United States
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Pu DB, Wang T, Zhang XJ, Gao JB, Zhang RH, Li XN, Wang YM, Li XL, Wang HY, Xiao WL. Isolation, identification and bioactivities of abietane diterpenoids from Premna szemaoensis. RSC Adv 2018; 8:6425-6435. [PMID: 35540406 PMCID: PMC9078283 DOI: 10.1039/c7ra13309j] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2017] [Accepted: 01/23/2018] [Indexed: 11/30/2022] Open
Abstract
Investigation of the leaves and stems of Premna szemaoensis resulted in the isolation of twelve new abietane diterpenoids, szemaoenoids A–L (1–12), together with four known abietane diterpenoids (13–16). The structures involved two rearranged-abietane skeletons: 17(15 → 16)-abeo-abietane (7, 10–12, 14 and 15) and 17(15 → 16),18(4 → 3)-diabeo-abietane (1–6, 13 and 16). The structures of the new compounds were established mainly by analyzing NMR and HRESIMS data. The absolute configurations of 1, 3 and 10 were confirmed by single crystal X-ray diffraction analysis. In bioactivity assays, compounds 11, 12, 14 and 15 were active against two human colon cancer cell lines (HCT-116 and HT-29) with IC50 values ranging from 8.8 to 34.3 μM, and compounds 10, 13 and 14 exhibited effective free radical scavenging activity with IC50 values ranging from 35.6 to 41.5 μM by DPPH experiment. Active abietane diterpenoids with two rearranged-abietane skeletons: 17(15 → 16)-abeo-abietane and 17(15 → 16),18(4 → 3)-diabeo-abietane were isolated from Premna szemaoensis.![]()
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Dianita R, Jantan I. Ethnomedicinal uses, phytochemistry and pharmacological aspects of the genus Premna: a review. PHARMACEUTICAL BIOLOGY 2017; 55:1715-1739. [PMID: 28486830 PMCID: PMC6130445 DOI: 10.1080/13880209.2017.1323225] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/03/2016] [Revised: 04/16/2017] [Accepted: 04/22/2017] [Indexed: 05/04/2023]
Abstract
CONTEXT The genus Premna (Lamiaceae), distributed throughout tropical and subtropical Asia, Africa, Australia and the Pacific Islands, is used in folk medicine primarily to treat inflammation, immune-related diseases, stomach disorders, wound healing, and skin diseases. OBJECTIVES This review exhaustively gathers available information on ethnopharmacological uses, phytochemistry, and bioactivity studies on more than 20 species of Premna and critically analyzes the reports to provide the perspectives and directions for future research for the plants as potential source of drug leads and pharmaceutical agents. METHODS A literature search was performed on Premna species based on books of herbal medicine, major scientific databases including Chemical Abstract, Pubmed, SciFinder, Springerlink, Science Direct, Scopus, the Web of Science, Google Scholar, and ethnobotanical databases. RESULTS More than 250 compounds have been isolated and identified from Premna species, comprising of diterpenoids, iridoid glycosides, and flavonoids as the most common secondary metabolites, followed by sesquiterpenes, lignans, phenylethanoids, megastigmanes, glyceroglycolipids, and ceramides. Many in vitro and in vivo studies have been conducted to evaluate the biological and pharmacological properties of the extracts, and isolated compounds of Premna species with antimicrobial, antioxidant, anti-inflammatory, immunomodulatory, antihyperglycaemia, and cytotoxic activities. CONCLUSION The bioactive compounds responsible for the bioactivities of most plants have not been well identified as the reported in vivo pharmacological studies were mostly carried out on the crude extracts. The isolated bioactive components should also be further subjected to more preclinical studies and elaborate toxicity study before clinical trials can be pursued.
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Affiliation(s)
- Roza Dianita
- Drug and Herbal Research Center, Faculty of Pharmacy, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia
| | - Ibrahim Jantan
- Drug and Herbal Research Center, Faculty of Pharmacy, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia
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11
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Esquivel B, Bustos-Brito C, Sánchez-Castellanos M, Nieto-Camacho A, Ramírez-Apan T, Joseph-Nathan P, Quijano L. Structure, Absolute Configuration, and Antiproliferative Activity of Abietane and Icetexane Diterpenoids from Salvia ballotiflora. Molecules 2017; 22:E1690. [PMID: 29057832 PMCID: PMC6151488 DOI: 10.3390/molecules22101690] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2017] [Accepted: 09/29/2017] [Indexed: 01/22/2023] Open
Abstract
From the aerial parts of Salvia ballotiflora, eleven diterpenoids were isolated; among them, four icetexanes and one abietane (1-5) are reported for the first time. Their structures were established by spectroscopic means, mainly ¹H- and 13C-NMR, including 1D and 2D homo- and hetero-nuclear experiments. Most of the isolated diterpenoids were tested for their antiproliferative, anti-inflammatory, and radical scavenging activities using the sulforhodamine B assay on six cancer cell lines, the TPA-induced ear edema test in mice, and the reduction of the DPPH assay, respectively. Some diterpenoids showed anti-proliferative activity, these being icetexanes 6 and 3, which were the most active with IC50 (μM) = 0.27 ± 0.08 and 1.40 ± 0.03, respectively, for U251 (human glioblastoma) and IC50 (μM) = 0.0.46 ± 0.05 and 0.82 ± 0.06 for SKLU-1 (human lung adenocarcinoma), when compared with adriamycin (IC50 (μM) = 0.08 ± 0.003 and 0.05 ± 0.003, as the positive control), respectively. Compounds 3 and 10 showed significant reduction of the induced ear edema of 37.4 ± 2.8 and 25.4 ± 3.0% (at 1.0 μmol/ear), respectively. Compound 4 was the sole active diterpenoid in the antioxidant assay (IC50 = 98. 4 ± 3.3), using α-tocopherol as the positive control (IC50 (μM) = 31.7 ± 1.04). The diterpenoid profile found is of chemotaxonomic relevance and reinforces the evolutionary link of S. ballotiflora with other members of the section Tomentellae.
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Affiliation(s)
- Baldomero Esquivel
- Instituto de Química, Universidad Nacional Autónoma de México (UNAM), Circuito Exterior, Ciudad Universitaria, Mexico City 04510, Mexico.
| | - Celia Bustos-Brito
- Instituto de Química, Universidad Nacional Autónoma de México (UNAM), Circuito Exterior, Ciudad Universitaria, Mexico City 04510, Mexico.
| | - Mariano Sánchez-Castellanos
- Facultad de Química, Universidad Nacional Autónoma de México, Circuito Exterior, Ciudad Universitaria, Mexico City 04510, Mexico.
| | - Antonio Nieto-Camacho
- Instituto de Química, Universidad Nacional Autónoma de México (UNAM), Circuito Exterior, Ciudad Universitaria, Mexico City 04510, Mexico.
| | - Teresa Ramírez-Apan
- Instituto de Química, Universidad Nacional Autónoma de México (UNAM), Circuito Exterior, Ciudad Universitaria, Mexico City 04510, Mexico.
| | - Pedro Joseph-Nathan
- Departamento de Química, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Apartado 14-740, Mexico City 07000, Mexico.
| | - Leovigildo Quijano
- Instituto de Química, Universidad Nacional Autónoma de México (UNAM), Circuito Exterior, Ciudad Universitaria, Mexico City 04510, Mexico.
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12
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Synthesis and antimicrobial evaluation of novel analogues of dehydroabietic acid prepared by C H-Activation. Eur J Med Chem 2017; 126:937-943. [DOI: 10.1016/j.ejmech.2016.12.012] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2016] [Revised: 12/02/2016] [Accepted: 12/03/2016] [Indexed: 11/21/2022]
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13
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Islam MT, da Mata AMOF, de Aguiar RPS, Paz MFCJ, de Alencar MVOB, Ferreira PMP, de Carvalho Melo-Cavalcante AA. Therapeutic Potential of Essential Oils Focusing on Diterpenes. Phytother Res 2016; 30:1420-44. [PMID: 27307034 DOI: 10.1002/ptr.5652] [Citation(s) in RCA: 50] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2016] [Revised: 05/02/2016] [Accepted: 05/03/2016] [Indexed: 12/20/2022]
Abstract
Among all plant derivates, essential oils (EOs) have gained the attention of many scientists. Diterpenes, a family of components present in some EO, are becoming a milestone in the EOs world. The goal of this review is to describe a scenario of diterpenes taking into health-consumption deportment. Previous studies revealed that diterpenes have antioxidant, antimicrobial, antiviral, antiprotozoal, cytotoxic, anticancer, antigenotoxic, antimutagenic, chemopreventive, antiinflammatory, antinociceptive, immunostimulatory, organoprotective, antidiabetic, lipid-lowering, antiallergic, antiplatelet, antithrombotic, and antitoxin activities. In conclusion, diterpenes may be an immense featuring concern in pharmaceutical consumption from a drug discovery point of view. Copyright © 2016 John Wiley & Sons, Ltd.
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Affiliation(s)
- Md Torequl Islam
- Northeast Biotechnology Network (RENORBIO), Post-graduation Program in Biotechnology, Federal University of Piauí, Teresina, 64.049-550, Brazil.,Post-graduation Program in Pharmaceutical Science, Federal University of Piauí, Teresina, 64.049-550, Brazil.,Department of Pharmacy, Southern University Bangladesh, 22-Shahid Mirza Lane (E), Academic Building-II, 1st floor, 739/A, Mehedibag Road, Mehedibag-4000, Chittagong, Bangladesh
| | | | - Raí Pablo Sousa de Aguiar
- Post-graduation Program in Pharmaceutical Science, Federal University of Piauí, Teresina, 64.049-550, Brazil
| | - Marcia Fernanda Correia Jardim Paz
- Northeast Biotechnology Network (RENORBIO), Post-graduation Program in Biotechnology, Federal University of Piauí, Teresina, 64.049-550, Brazil.,Post-graduation Program in Pharmaceutical Science, Federal University of Piauí, Teresina, 64.049-550, Brazil
| | - Marcus Vinícius Oliveira Barros de Alencar
- Northeast Biotechnology Network (RENORBIO), Post-graduation Program in Biotechnology, Federal University of Piauí, Teresina, 64.049-550, Brazil.,Post-graduation Program in Pharmaceutical Science, Federal University of Piauí, Teresina, 64.049-550, Brazil
| | - Paulo Michel Pinheiro Ferreira
- Northeast Biotechnology Network (RENORBIO), Post-graduation Program in Biotechnology, Federal University of Piauí, Teresina, 64.049-550, Brazil.,Post-graduation Program in Pharmaceutical Science, Federal University of Piauí, Teresina, 64.049-550, Brazil.,Department of Biophysics and Physiology, Federal University of Piauí, Teresina, 64.049-550, Brazil
| | - Ana Amélia de Carvalho Melo-Cavalcante
- Northeast Biotechnology Network (RENORBIO), Post-graduation Program in Biotechnology, Federal University of Piauí, Teresina, 64.049-550, Brazil.,Post-graduation Program in Pharmaceutical Science, Federal University of Piauí, Teresina, 64.049-550, Brazil
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14
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Cordeiro KW, Felipe JL, Malange KF, do Prado PR, de Oliveira Figueiredo P, Garcez FR, de Cássia Freitas K, Garcez WS, Toffoli-Kadri MC. Anti-inflammatory and antinociceptive activities of Croton urucurana Baillon bark. JOURNAL OF ETHNOPHARMACOLOGY 2016; 183:128-135. [PMID: 26944237 DOI: 10.1016/j.jep.2016.02.051] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/18/2015] [Revised: 01/24/2016] [Accepted: 02/28/2016] [Indexed: 06/05/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Croton urucurana (Euphorbiaceae) is popularly used in Brazil to treat inflammatory processes, pain, and gastric ulcers. AIM OF STUDY To evaluate the anti-inflammatory and antinociceptive properties of the methanol extract from the bark of C. urucurana (MECu) in mice and identify its chemical constituents. MATERIALS AND METHODS The extract was characterized by UHPLC-DAD-ESI-Q-TOF-MS/MS. Extract doses of 25, 100, and 400mg/kg were employed in the biological assays. Evaluation of anti-inflammatory activity was based on paw edema and leukocyte recruitment into the peritoneal cavity of mice, both induced by carrageenan. Abdominal writhing caused by acetic acid and duration of formalin-induced paw-licking were the models employed to evaluate antinociceptive activity. RESULTS Ten compounds were identified in the extract: (+)-gallocatechin (1), procyanidin B3 (2), (+)-catechin (3), (-)-epicatechin (4), tembetarine (5), magnoflorine (6), taspine (7), methyl-3-oxo-12-epi-barbascoate (8), methyl-12-epi-barbascoate (9), and hardwickiic acid (10). This is the first report of compounds 2, 4, 6, 7, and 10 in C. urucurana and compound 5 in the genus Croton. In addition to inhibiting paw edema and leukocyte recruitment (particularly of polymorphonuclear cells) into the peritoneal cavity of mice, MECu reduced the number of abdominal writhings induced by acetic acid and the duration of formalin-induced paw licking. CONCLUSIONS The methanol extract of C. urucurana bark exhibited anti-inflammatory and antinociceptive properties, corroborating its use in folk medicine. These effects may be related to the presence of diterpenes, alkaloids, and flavonoids.
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Affiliation(s)
- Kátia Wolff Cordeiro
- Faculdade de Medicina, Universidade Federal do Mato Grosso do Sul, Campo Grande, MS, Brazil
| | - Josyelen Lousada Felipe
- Centro de Ciências Biológicas e da Saúde, Universidade Federal do Mato Grosso do Sul, Campo Grande, MS, Brazil
| | - Kauê Franco Malange
- Centro de Ciências Biológicas e da Saúde, Universidade Federal do Mato Grosso do Sul, Campo Grande, MS, Brazil
| | | | | | | | - Karine de Cássia Freitas
- Centro de Ciências Biológicas e da Saúde, Universidade Federal do Mato Grosso do Sul, Campo Grande, MS, Brazil
| | - Walmir Silva Garcez
- Instituto de Química, Universidade Federal do Mato Grosso do Sul, Campo Grande, MS, Brazil
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15
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Zhao SM, Chou GX, Yang QS, Wang W, Zhou JL. Abietane diterpenoids from Caryopteris incana (Thunb.) Miq. Org Biomol Chem 2016; 14:3510-20. [PMID: 26952788 DOI: 10.1039/c6ob00139d] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Twelve new diterpenes, caryopincaolide A-L (1-4, 11-12, 16-19, 27-28), together with twenty-eight known diterpenes, have been isolated from the whole plant of Caryopteris incana (Thunb.) Miq. Their structures were elucidated on the basis of 1D and 2D NMR, IR, X-ray crystal diffraction and mass spectroscopic data, as well as ECD calculations. All compounds were tested for in vitro dipeptidyl peptidase IV (DPP-IV) inhibitory activity, with compounds 3, 4, 28, 29, and 40 exhibiting DPP-IV inhibitory effects with IC50 values ranging from 54.2 to 228.9 μM. Compounds 1, 3 and 4 also showed potent activity toward the inhibition of the growth of human cancer cells and 1 can induce apoptosis in Hey and A-549 cells.
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Affiliation(s)
- Sen-Miao Zhao
- Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China.
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16
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Samoisy AK, Mahomoodally MF. Ethnopharmacological analysis of medicinal plants used against non-communicable diseases in Rodrigues Island, Indian Ocean. JOURNAL OF ETHNOPHARMACOLOGY 2015; 173:20-38. [PMID: 26133061 DOI: 10.1016/j.jep.2015.06.036] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/07/2015] [Revised: 06/14/2015] [Accepted: 06/20/2015] [Indexed: 05/21/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Rodrigues is an autonomous outer island that form part of the Republic of Mauritius and one of three islands that constitute the Mascarene archipelago in the Indian Ocean. Though herbal medicine is in common use in Rodrigues, there has been no ethnopharmacological study to document quantitatively such traditional practise particularly against non-communicable diseases (NCD) which is currently a growing major health issue on the island. The aim of the present study was to collect, analyse and document traditionally used medicinal plants (MP) from key informants and traditional medicine practitioners (TMP) in the tropical island of Rodrigues to treat and/or manage common NCD. MATERIALS AND METHODS Data was collected via face-to-face interviews with MP users (n=113) and TMP (n=9). Seven quantitative ethnopharmacological indices, namely family use value (FUV), use value (UV), informant agreement ratio (IAR), relative frequency of citation (RFC), fidelity level (FL), relative importance (RI) and ethnobotanicity index (EI) were calculated. RESULTS Hundred and three plants belonging to 55 families were recorded for the treatment and/or management of 27 different NCD. Three of the MP (Terminalia bentzoë (L.) L.F, Sarcostemma cf. adontolepis Balf.f. and Clerodendrum laciniatum Balf.f.) recorded are endemic to Rodrigues and 2 (Carissa xylopicron Thouars., Phyllanthus casticum Willemet f.) endemic to the Mascarene Islands. The most solicited MP family was Asteraceae with a total of 8 species. Citrus aurantifolia (Christm.) Swingle scored the highest RFC (RFC=1.02) value. Ten plants were found to score 100% FL and the highest IAR (0.98) was observed for the disease category of certain conditions originating in the perinatal period. Arecaceae scored the highest FUV value and Ayapana triplinervis (Vahl) R.M. King et H.Rob highest UV (UV= 2.72). CONCLUSION Given the dearth of updated information on traditional medicine of Rodrigues, this study can provide an opportunity to establish valuable primary information on the different MP used by the local people and hence can open new perspectives for further pharmacological research.
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Affiliation(s)
- Anne Kathie Samoisy
- Department of Health Sciences, Faculty of Science, University of Mauritius, 230 Réduit, Mauritius
| | - M Fawzi Mahomoodally
- Department of Health Sciences, Faculty of Science, University of Mauritius, 230 Réduit, Mauritius.
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17
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Ślusarczyk S, Topolski J, Domaradzki K, Adams M, Hamburger M, Matkowski A. Isolation and Fast Selective Determination of Nor-abietanoid Diterpenoids from Perovskia atriplicifolia Roots Using LC-ESI-MS/MS with Multiple Reaction Monitoring. Nat Prod Commun 2015. [DOI: 10.1177/1934578x1501000703] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023] Open
Abstract
In the first part of this study we extracted, isolated, and identified the main diterpenoid constituents from the roots of a Central Asian medicinal and ornamental plant - Perovskia atriplicifolia Benth. Eight major nor-abietanoid pigments were obtained using NP silica gel column chromatography and preparative RP-HPLC: cryptotanshinone, 1-hydroxycryptotanhinone, miltirone, 1-oxomiltirone, tanshinone IIa, 1,2 didehydrotanshinone IIa, 1,2 didehydromiltirone, the non-quinone diterpenoid - arucadiol, as well as rosmarinic acid as a main phenolic compound. Secondly, we used the obtained compounds for fast and selective determination of the main diterpenes present in P. atriplicifolia root extract. After extraction with n-hexane, the quantitative analysis was carried out by LC–MS/MS with a triple quadrupole (qQq) mass detector without any prior clean-up step. Identification of the diterpenes was confirmed by multiple reaction monitoring (MRM) using the most representative transitions from the precursor ions, while the most sensitive transitions were used for quantification in a 19-minute run. Most of the isolated and analyzed compounds had not been previously reported from this species. This easily cultivated plant is a promising source of several pharmacologically valuable abietanoid diterpenoids.
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Affiliation(s)
- Sylwester Ślusarczyk
- Department of Pharmaceutical Biology and Botany, Wroclaw Medical University, Wroclaw, Poland
- Department of Weed Science and Soil Tillage Systems, IUNG-Institute of Soil Science and Plant Cultivation, Wroclaw, Poland
| | - Jakub Topolski
- Department of Weed Science and Soil Tillage Systems, IUNG-Institute of Soil Science and Plant Cultivation, Wroclaw, Poland
| | - Krzysztof Domaradzki
- Department of Weed Science and Soil Tillage Systems, IUNG-Institute of Soil Science and Plant Cultivation, Wroclaw, Poland
| | - Michael Adams
- Department of Pharmaceutical Biology, University of Basel, Basel, Switzerland
| | - Matthias Hamburger
- Department of Pharmaceutical Biology, University of Basel, Basel, Switzerland
| | - Adam Matkowski
- Department of Pharmaceutical Biology and Botany, Wroclaw Medical University, Wroclaw, Poland
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18
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González MA. Aromatic abietane diterpenoids: their biological activity and synthesis. Nat Prod Rep 2015; 32:684-704. [DOI: 10.1039/c4np00110a] [Citation(s) in RCA: 153] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
In this study, the biological properties of abietane-type diterpenoids with an aromatic C ring are reviewed. The review contains about 160 references.
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19
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Habtemariam S, Varghese GK. A novel diterpene skeleton: identification of a highly aromatic, cytotoxic and antioxidant 5-methyl-10-demethyl-abietane-type diterpene from Premna serratifolia. Phytother Res 2014; 29:80-5. [PMID: 25250850 DOI: 10.1002/ptr.5229] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2014] [Revised: 08/04/2014] [Accepted: 08/29/2014] [Indexed: 11/12/2022]
Abstract
Premna serratifolia Linn. (syn: . P. corymbosa (Burm. f.) Merr., P. integrifolia L. and P. obtusifolia R. Br.) is a member of the Verbenaceae family that is extensively used in the Ayurvedic system of medicine in India. As part of our continuous pharmacological and phytochemical studies on medicinal plants, we have screened the methanolic extracts of leaves, root bark (RB) and root wood of P. serratifolia for cytotoxic activity against two cancer cell lines: SHSY-5Y neuroblastoma and B16 melanoma cells. The RB extract that showed promising activity was fractionated using solvents of increasing polarity followed by a combination of Sephadex LH-20 column and Combiflash chromatography as well as HPLC to afford the active principle. Comprehensive spectroscopic analysis including 1D and 2D NMR (COSY, HMQC, HMBC, NOESY) and MS analysis revealed the identity of the isolated compound as 11,12,16-trihydroxy-2-oxo-5-methyl-10-demethyl-abieta-1[10],6,8,11,13-pentene that appears to be a novel compound based on a new diterpene skeleton. The cytotoxic activity of the isolated compound was 21 and 23 times higher than the crude extract against the SHSY-5Y and B16 cells, respectively. The novel compound also possesses in vitro antioxidant effects as evidenced by the DPPH (2,2-diphenyl-1-picrylhydrazyl) radical scavenging effect where an IC50 value of 20.4 ± 1.3 μM was obtained. In comparison, the positive control, caffeic acid, showed an IC50 value of 14.4 ± 1.6 μM.
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Affiliation(s)
- Solomon Habtemariam
- Pharmacognosy Research Laboratories, Medway School of Science, University of Greenwich, Chatham-Maritime, Kent, ME4 4TB, UK
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20
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In vitro antiprotozoal activity of abietane diterpenoids isolated from Plectranthus barbatus Andr. Int J Mol Sci 2014; 15:8360-71. [PMID: 24823881 PMCID: PMC4057736 DOI: 10.3390/ijms15058360] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2014] [Revised: 04/24/2014] [Accepted: 05/06/2014] [Indexed: 11/17/2022] Open
Abstract
Chromatographic separation of the n-hexane extract of the aerial part of Plectranthus barbatus led to the isolation of five abietane-type diterpenes: dehydroabietane (1); 5,6-didehydro-7-hydroxy-taxodone (2); taxodione (3); 20-deoxocarnosol (4) and 6α,11,12,-trihydroxy-7β,20-epoxy-8,11,13-abietatriene (5). The structures were determined using spectroscopic methods including one- and two-dimensional NMR methods. Compounds (1)–(3) and (5) are isolated here for the first time from the genus Plectranthus. The isolated abietane-type diterpenes tested in vitro for their antiprotozoal activity against erythrocytic schizonts of Plasmodium falciparum, intracellular amastigotes of Leishmania infantum and Trypanosoma cruzi and free trypomastigotes of T. brucei. Cytotoxicity was determined against fibroblast cell line MRC-5. Compound (2) 5,6-didehydro-7-hydroxy-taxodone showed remarkable activity with acceptable selectivity against P. falciparum (IC50 9.2 μM, SI 10.4) and T. brucei (IC50 1.9 μM, SI 50.5). Compounds (3)–(5) exhibited non-specific antiprotozoal activity due to high cytotoxicity. Compound (1) dehydroabietane showed no antiprotozoal potential.
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Wang H, Li MY, Katele FZ, Satyanandamurty T, Wu J, Bringmann G. Decandrinin, an unprecedented C9-spiro-fused 7,8-seco-ent-abietane from the Godavari mangrove Ceriops decandra. Beilstein J Org Chem 2014; 10:276-81. [PMID: 24605147 PMCID: PMC3943825 DOI: 10.3762/bjoc.10.23] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2013] [Accepted: 12/18/2013] [Indexed: 11/23/2022] Open
Abstract
Decandrinin (1), an unprecedented C9-spiro-fused 7,8-seco-ent-abietane, was obtained from the bark of an Indian mangrove, Ceriops decandra, collected in the estuary of Godavari, Andhra Pradesh. The constitution and the relative configuration of 1 were determined by HRMS (ESI) and extensive NMR investigations, and the absolute configuration by circular dichroism (CD) and optical-rotatory dispersion (ORD) spectroscopy in combination with quantum-chemical calculations. Decandrinin is the first 7,8-seco-ent-abietane.
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Affiliation(s)
- Hui Wang
- Key Laboratory of Marine Bio-resources Sustainable Utilization, South China Sea Institute of Oceanology, Chinese Academy of Sciences, 164 West Xingang Road, Guangzhou 510301, P. R. China
- Hubei Key Laboratory of Natural Products Research and Development, College of Chemistry and Life Science, China Three Gorges University, Yichang 443002, P. R. China
| | - Min-Yi Li
- Marine Drugs Research Center, College of Pharmacy, Jinan University, 601 Huangpu Avenue West, Guangzhou 510632, P. R. China
| | - Félix Zongwe Katele
- Institute of Organic Chemistry, University of Würzburg, Am Hubland, Würzburg 97074, Germany
| | | | - Jun Wu
- Marine Drugs Research Center, College of Pharmacy, Jinan University, 601 Huangpu Avenue West, Guangzhou 510632, P. R. China
| | - Gerhard Bringmann
- Institute of Organic Chemistry, University of Würzburg, Am Hubland, Würzburg 97074, Germany
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New strategy toward the diverted synthesis of oxidized abietane diterpenes via oxidation of 6,7-dehydroferruginol methyl ether with dimethyldioxirane. Tetrahedron Lett 2013. [DOI: 10.1016/j.tetlet.2013.06.048] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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23
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Obtusinones D and E, linear and angular fused dimeric icetexane diterpenoids from Premna obtusifolia roots. Tetrahedron Lett 2013. [DOI: 10.1016/j.tetlet.2012.12.096] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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