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Nguyen NBA, El-Shazly M, Chen PJ, Peng BR, Chen LY, Hwang TL, Lai KH. Unlocking the Potential of Octocoral-Derived Secondary Metabolites against Neutrophilic Inflammatory Response. Mar Drugs 2023; 21:456. [PMID: 37623737 PMCID: PMC10455653 DOI: 10.3390/md21080456] [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: 07/20/2023] [Revised: 08/14/2023] [Accepted: 08/16/2023] [Indexed: 08/26/2023] Open
Abstract
Inflammation is a critical defense mechanism that is utilized by the body to protect itself against pathogens and other noxious invaders. However, if the inflammatory response becomes exaggerated or uncontrollable, its original protective role is not only demolished but it also becomes detrimental to the affected tissues or even to the entire body. Thus, regulating the inflammatory process is crucial to ensure that it is resolved promptly to prevent any subsequent damage. The role of neutrophils in inflammation has been highlighted in recent decades by a plethora of studies focusing on neutrophilic inflammatory diseases as well as the mechanisms to regulate the activity of neutrophils during the overwhelmed inflammatory process. As natural products have demonstrated promising effects in a wide range of pharmacological activities, they have been investigated for the discovery of new anti-inflammatory therapeutics to overcome the drawbacks of current synthetic agents. Octocorals have attracted scientists as a plentiful source of novel and intriguing marine scaffolds that exhibit many pharmacological activities, including anti-inflammatory effects. In this review, we aim to provide a summary of the neutrophilic anti-inflammatory properties of these marine organisms that were demonstrated in 46 studies from 1995 to the present (April 2023). We hope the present work offers a comprehensive overview of the anti-inflammatory potential of octocorals and encourages researchers to identify promising leads among numerous compounds isolated from octocorals over the past few decades to be further developed into anti-inflammatory therapeutic agents.
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Affiliation(s)
- Ngoc Bao An Nguyen
- Graduate Institute of Pharmacognosy, College of Pharmacy, Taipei Medical University, Taipei 11031, Taiwan; (N.B.A.N.); (B.-R.P.); (L.-Y.C.)
| | - Mohamed El-Shazly
- Department of Pharmacognosy, Faculty of Pharmacy, Ain-Shams University, Organization of African Unity Street, Abassia, Cairo 11566, Egypt;
| | - Po-Jen Chen
- Department of Medical Research, E-Da Hospital, I-Shou University, Kaohsiung 82445, Taiwan;
| | - Bo-Rong Peng
- Graduate Institute of Pharmacognosy, College of Pharmacy, Taipei Medical University, Taipei 11031, Taiwan; (N.B.A.N.); (B.-R.P.); (L.-Y.C.)
| | - Lo-Yun Chen
- Graduate Institute of Pharmacognosy, College of Pharmacy, Taipei Medical University, Taipei 11031, Taiwan; (N.B.A.N.); (B.-R.P.); (L.-Y.C.)
| | - Tsong-Long Hwang
- Research Center for Chinese Herbal Medicine, College of Human Ecology, Chang Gung University of Science and Technology, Taoyuan 33303, Taiwan
- Graduate Institute of Health Industry Technology, College of Human Ecology, Chang Gung University of Science and Technology, Taoyuan 33303, Taiwan
- Department of Anaesthesiology, Chang Gung Memorial Hospital, Taoyuan 33305, Taiwan
- Graduate Institute of Natural Products, College of Medicine, Chang Gung University, Taoyuan 33302, Taiwan
- Department of Chemical Engineering, Ming Chi University of Technology, New Taipei City 24301, Taiwan
| | - Kuei-Hung Lai
- Graduate Institute of Pharmacognosy, College of Pharmacy, Taipei Medical University, Taipei 11031, Taiwan; (N.B.A.N.); (B.-R.P.); (L.-Y.C.)
- PhD Program in Clinical Drug Development of Herbal Medicine, College of Pharmacy, Taipei Medical University, Taipei 11031, Taiwan
- Traditional Herbal Medicine Research Center, Taipei Medical University Hospital, Taipei 11031, Taiwan
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Gribble GW. Naturally Occurring Organohalogen Compounds-A Comprehensive Review. PROGRESS IN THE CHEMISTRY OF ORGANIC NATURAL PRODUCTS 2023; 121:1-546. [PMID: 37488466 DOI: 10.1007/978-3-031-26629-4_1] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/26/2023]
Abstract
The present volume is the third in a trilogy that documents naturally occurring organohalogen compounds, bringing the total number-from fewer than 25 in 1968-to approximately 8000 compounds to date. Nearly all of these natural products contain chlorine or bromine, with a few containing iodine and, fewer still, fluorine. Produced by ubiquitous marine (algae, sponges, corals, bryozoa, nudibranchs, fungi, bacteria) and terrestrial organisms (plants, fungi, bacteria, insects, higher animals) and universal abiotic processes (volcanos, forest fires, geothermal events), organohalogens pervade the global ecosystem. Newly identified extraterrestrial sources are also documented. In addition to chemical structures, biological activity, biohalogenation, biodegradation, natural function, and future outlook are presented.
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Affiliation(s)
- Gordon W Gribble
- Department of Chemistry, Dartmouth College, Hanover, NH, 03755, USA.
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Kelutur FJ, Saptarini NM, Mustarichie R, Kurnia D. Molecular Docking of the Terpenes in Gorgonian Corals to COX-2 and
iNOS Enzymes as Anti-Inflammatory. LETT DRUG DES DISCOV 2022. [DOI: 10.2174/1570180819666211227162950] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Background:
Because the inflammatory pathway is triggered by the enzymes cyclooxygenase-
2 (COX-2) and inducible nitric oxide synthase (iNOS), inhibitors, such as nonsteroidal anti-inflammatory
drugs (NSAIDs), are needed, although these have side effects. Therefore, the discovery and development
of natural medicine as a lead compound are needed. The gorgonian corals have been reported to contain
cyclic diterpenes with anti-inflammatory activities. The specific anti-inflammatory inhibitor potential has
not been reported regarding these secondary metabolites, whether in COX-2 or iNOS. Thus, the in silico
method is the right alternative.
Objective:
This study aimed to determine the potency of fifteen terpenes of the various gorgonian corals
to COX-2 and iNOS enzymes as an anti-inflammatory.
Methods:
Molecular docking was performed using ChemDraw Ultra 12.0, Chem3D Pro 12.0, Biovia
Discovery Studio 2016 Client®, Autodock Tools 4.2, prediction pharmacokinetics (Pre-ADMET), and
oral administration (Lipinski rule of five).
Results:
Potential terpenes based on ΔG (kcal/mol) and Ki (nM) to COX-2 were gyrosanol B (-10,32;
27,15), gyrosanol A (-10,20; 33,57), echinolabdane A (-9,81; 64,76). Only nine terpenes were specific to
COX-2 active sites, while for iNOS were palmonine F (-7.76; 2070), briarenol C (-7.55; 2910), and all
test compounds binding to the iNOS active sites. Pre-ADMET prediction obtained that HIA was very
excellent (70–100%), Caco-2 had moderate permeability (4–70 nm sec-1), and PPB had strong binding (>
90%). Eight terpenes qualified for the Lipinski rule of five.
Conclusion:
iNOS was a specific target for terpenes based on the free energy of binding (ΔG).
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Affiliation(s)
- Faruk Jayanto Kelutur
- Department of Pharmaceutical Analysis and Medicinal Chemistry, Faculty of Pharmacy, Universitas Padjadjaran,
West Java, Indonesia
| | - Nyi Mekar Saptarini
- Department of Pharmaceutical Analysis and Medicinal Chemistry, Faculty of Pharmacy, Universitas Padjadjaran,
West Java, Indonesia
| | - Resmi Mustarichie
- Department of Pharmaceutical Analysis and Medicinal Chemistry, Faculty of Pharmacy, Universitas Padjadjaran,
West Java, Indonesia
| | - Dikdik Kurnia
- Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Padjadjaran,
West Java, Indonesia
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Drasar PB, Khripach VA. Terpene Research Is Providing New Inspiration for Scientists. Molecules 2021; 26:molecules26185480. [PMID: 34576951 PMCID: PMC8465594 DOI: 10.3390/molecules26185480] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Accepted: 09/08/2021] [Indexed: 11/16/2022] Open
Affiliation(s)
- Pavel B. Drasar
- Department of Chemistry of Natural Compounds, University of Chemistry and Technology, Technicka 5, 166 28 Prague, Czech Republic
- Correspondence:
| | - Vladimir A. Khripach
- Institute of Bioorganic Chemistry, National Academy of Sciences of Belarus, 5/2 Academician V. F. Kuprevich Street, BY-220141 Minsk, Belarus;
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Carroll AR, Copp BR, Davis RA, Keyzers RA, Prinsep MR. Marine natural products. Nat Prod Rep 2021; 38:362-413. [PMID: 33570537 DOI: 10.1039/d0np00089b] [Citation(s) in RCA: 198] [Impact Index Per Article: 66.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
This review covers the literature published in 2019 for marine natural products (MNPs), with 719 citations (701 for the period January to December 2019) referring to compounds isolated from marine microorganisms and phytoplankton, green, brown and red algae, sponges, cnidarians, bryozoans, molluscs, tunicates, echinoderms, mangroves and other intertidal plants and microorganisms. The emphasis is on new compounds (1490 in 440 papers for 2019), together with the relevant biological activities, source organisms and country of origin. Pertinent reviews, biosynthetic studies, first syntheses, and syntheses that led to the revision of structures or stereochemistries, have been included. Methods used to study marine fungi and their chemical diversity have also been discussed.
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Affiliation(s)
- Anthony R Carroll
- School of Environment and Science, Griffith University, Gold Coast, Australia. and Griffith Institute for Drug Discovery, Griffith University, Brisbane, Australia
| | - Brent R Copp
- School of Chemical Sciences, University of Auckland, Auckland, New Zealand
| | - Rohan A Davis
- Griffith Institute for Drug Discovery, Griffith University, Brisbane, Australia and School of Enivironment and Science, Griffith University, Brisbane, Australia
| | - Robert A Keyzers
- Centre for Biodiscovery, School of Chemical and Physical Sciences, Victoria University of Wellington, Wellington, New Zealand
| | - Michèle R Prinsep
- Chemistry, School of Science, University of Waikato, Hamilton, New Zealand
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Abstract
Gorgonian corals are considered as a rich source of secondary metabolites with
unique structural features and biological activities. A large number of novel metabolites
with potent pharmacological properties have been isolated from gorgonian corals. Some of
these compounds have exhibited to possess new mechanisms of action, which hold great
promises as potential lead compounds in future marine drug development. This review aims
to provide an overview of chemical constituents and biological activities of gorgonian corals
from 2015 to December, 2019. Some 145 metabolites, including 16 sesquiterpenoids, 62
diterpenoids, 62 steroids and 5 alkaloids were reported during this period and their pharmacological
activities were investigated. Moreover, the peculiar structure and potential medicinal
value of these new compounds are discussed in this review.
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Affiliation(s)
- Hui Lei
- School of Pharmacy, Southwest Medical University, Luzhou, Sichuan 646000, China
| | - Peng Jiang
- School of Pharmacy, Southwest Medical University, Luzhou, Sichuan 646000, China
| | - Dan Zhang
- School of Pharmacy, Southwest Medical University, Luzhou, Sichuan 646000, China
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Sung PJ, Hwang TL, Wu YC, Chen YH, Chin HK, Peng BR, Chen YY, Hu CC, Zheng LG, Huynh TH, Su TP, Zhang YL, Wen ZH. Survey of Briarane-Type Diterpenoids – Part VII. HETEROCYCLES 2020. [DOI: 10.3987/rev-19-925] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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