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Chen HW, Liu FC, Kuo HM, Tang SH, Niu GH, Zhang MM, Tsou LK, Sung PJ, Wen ZH. Immunomodulatory and anti-angiogenesis effects of excavatolide B and its derivatives in alleviating atopic dermatitis. Biomed Pharmacother 2024; 172:116279. [PMID: 38368838 DOI: 10.1016/j.biopha.2024.116279] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Revised: 02/03/2024] [Accepted: 02/13/2024] [Indexed: 02/20/2024] Open
Abstract
Atopic dermatitis (AD) is a chronic inflammatory skin condition primarily driven by T helper 2 (Th2) cytokines, resulting in skin barrier defects, angiogenesis, and inflammatory responses. The marine natural product excavatolide B (EXCB), isolated from the Formosan Gorgonian coral Briareum stechei, exhibits anti-inflammatory and analgesic properties. To enhance solubility, EXCB is chemically modified into the derivatives EXCB-61 salt and EXCB-79. The study aims to investigate the therapeutic effects of these compounds on dinitrochlorbenzene (DNCB)-induced skin damage and to elucidate the underlying anti-inflammatory and anti-angiogenesis mechanism. In vitro, using lipopolysaccharide (LPS)-induced RAW 264.7 cells, all compounds at 10 μM significantly inhibited expression of inflammatory proteins (inducible nitric oxide synthase and cyclooxygenase-2), vascular endothelial growth factor (VEGF), and cytokines (interleukin (IL)-1β, IL-6, and IL-17A). In vivo, topical application of these compounds on DNCB-induced AD mice alleviated skin symptoms, reduced serum levels of IgE, IL-4, IL-13, IL-17, and interferon-γ, and moderated histological phenomena such as hyperplasia, inflammatory cell infiltration, and angiogenesis. The three compounds restored the expression of skin barrier-related proteins (loricrin, filaggrin, and claudin-1) and reduced the expression of angiogenesis-related proteins (VEGF and platelet endothelial cell adhesion molecule-CD31) in the tissues. This is the first study to indicate that EXCB, EXCB-61 salt, and EXCB-79 can treat AD disease by reducing inflammation and angiogenesis. Hence, they may be considered potential candidates for the development of new drugs for AD.
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Affiliation(s)
- Hsiu-Wen Chen
- Department of Marine Biotechnology and Resources, National Sun Yat-sen University, Kaohsiung 80424, Taiwan
| | - Feng-Cheng Liu
- Division of Rheumatology/Immunology and Allergy, Department of Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei 114202, Taiwan
| | - Hsiao-Mei Kuo
- Department of Marine Biotechnology and Resources, National Sun Yat-sen University, Kaohsiung 80424, Taiwan; Department of Neurosurgery, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University, College of Medicine, Kaohsiung 83301, Taiwan
| | - Shih-Hsuan Tang
- Department of Marine Biotechnology and Resources, National Sun Yat-sen University, Kaohsiung 80424, Taiwan
| | - Guang-Hao Niu
- Institute of Biotechnology and Pharmaceutical Research, National Health Research Institutes, Miaoli, Zhunan 35053, Taiwan
| | - Mingzi M Zhang
- Institute of Molecular and Genomic Medicine, National Health Research Institutes, Miaoli, Zhunan 35053, Taiwan
| | - Lun Kelvin Tsou
- Institute of Biotechnology and Pharmaceutical Research, National Health Research Institutes, Miaoli, Zhunan 35053, Taiwan.
| | - Ping-Jyun Sung
- Department of Marine Biotechnology and Resources, National Sun Yat-sen University, Kaohsiung 80424, Taiwan; National Museum of Marine Biology and Aquarium, Pingtung 94450, Taiwan.
| | - Zhi-Hong Wen
- Department of Marine Biotechnology and Resources, National Sun Yat-sen University, Kaohsiung 80424, Taiwan; Institute of Biotechnology and Pharmaceutical Research, National Sun Yat-sen University, Kaohsiung 80424, Taiwan.
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Lin YY, Jean YH, Lee HP, Lin SC, Pan CY, Chen WF, Wu SF, Su JH, Tsui KH, Sheu JH, Sung PJ, Wen ZH. Excavatolide B Attenuates Rheumatoid Arthritis through the Inhibition of Osteoclastogenesis. Mar Drugs 2017; 15:md15010009. [PMID: 28067799 PMCID: PMC5295229 DOI: 10.3390/md15010009] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2016] [Revised: 12/17/2016] [Accepted: 12/26/2016] [Indexed: 02/08/2023] Open
Abstract
Osteoclasts are multinucleated giant cells of macrophage/monocyte lineage, and cell differentiation with the upregulation of osteoclast-related proteins is believed to play a major role in the destruction of the joints in the course of rheumatoid arthritis (RA). Pro-inflammatory cytokines, such as interleukin-17A (IL-17A) and macrophage colony-stimulating factor (M-CSF), can be overexpressed in RA and lead to osteoclastogenesis. In a previous study, we found that cultured-type soft coral-derived excavatolide B (Exc-B) exhibited anti-inflammatory properties. In the present study, we thus aimed to evaluate the anti-arthritic activity of Exc-B in in vitro and in vivo models. The results demonstrated that Exc-B inhibits LPS-induced multinucleated cell and actin ring formation, as well as TRAP, MMP-9, and cathepsin K expression. Additionally, Exc-B significantly attenuated the characteristics of RA in adjuvant (AIA) and type II collagen-induced arthritis (CIA) in rats. Moreover, Exc-B improved histopathological features, and reduced the number of TRAP-positive multinucleated cells in the in vivo AIA and CIA models. Immunohistochemical analysis showed that Exc-B attenuated the protein expression of cathepsin K, MMP-2, MMP-9, CD11b, and NFATc1 in ankle tissues of AIA and CIA rats. Level of interleukin-17A and macrophage colony-stimulating factor were also decreased by Exc-B. These findings strongly suggest that Exc-B could be of potential use as a therapeutic agent by inhibiting osteoclast differentiation in arthritis. Moreover, this study also illustrates the use of the anti-inflammatory marine compound, Exc-B, as a potential therapeutic strategy for RA.
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Affiliation(s)
- Yen-You Lin
- Department of Marine Biotechnology and Resources, National Sun Yat-sen University, No.70, Lianhai Road, Gushan District, Kaohsiung 80424, Taiwan.
| | - Yen-Hsuan Jean
- Department of Orthopaedic Surgery, Ping-Tung Christian Hospital, No.60, Dalian Road, Pingtung 90059, Taiwan.
| | - Hsin-Pai Lee
- Department of Orthopaedic Surgery, Ping-Tung Christian Hospital, No.60, Dalian Road, Pingtung 90059, Taiwan.
| | - Sung-Chun Lin
- Department of Orthopaedic Surgery, Ping-Tung Christian Hospital, No.60, Dalian Road, Pingtung 90059, Taiwan.
| | - Chieh-Yu Pan
- Department and Graduate Institute of Aquaculture, National Kaohsiung Marine University, No.142, Haizhuan Road, Nanzi District, Kaohsiung 81157, Taiwan.
| | - Wu-Fu Chen
- Department of Marine Biotechnology and Resources, National Sun Yat-sen University, No.70, Lianhai Road, Gushan District, Kaohsiung 80424, Taiwan.
- Department of Neurosurgery, Chang Gung Memorial Hospital-Kaohsiung Medical Center and Chang Gung University College of Medicine, No.123, Dapi Road, Niaosong District, Kaohsiung 83301, Taiwan.
- Department of Neurosurgery, Xiamen Chang Gung Memorial Hospital, No.123, Xiafei Road, Haicang District, Xiamen 361000, China.
| | - Shu-Fen Wu
- Department of Life Science, Institute of Molecular Biology, National Chung-Cheng University, No.168, Sec. 1, University Road, Min-Hsiung, Chia-yi 62102, Taiwan.
| | - Jui-Hsin Su
- Taiwan Coral Research Center, National Museum of Marine Biology & Aquarium, No.2 Houwan Road, Checheng, Pingtung 94450, Taiwan.
- Graduate Institute of Marine Biotechnology, National Dong Hwa University, No.2 Houwan Road, Checheng, Pingtung 94450, Taiwan.
| | - Kuan-Hao Tsui
- Department of Obstetrics and Gynecology, Kaohsiung Veterans General Hospital, No.386, Dazhong 1st Road, Zuoying District, Kaohsiung 81362, Taiwan.
- Department of Obstetrics and Gynecology and Institute of Clinical Medicine, National Yang-Ming University, No.155, Sec. 2, Linong Street, Taipei 11221, Taiwan.
- Department of Pharmacy and Graduate Institute of Pharmaceutical Technology, Tajen University, No.20, Weixin Road, Yanpu, Pingtung 90741, Taiwan.
| | - Jyh-Horng Sheu
- Department of Marine Biotechnology and Resources, National Sun Yat-sen University, No.70, Lianhai Road, Gushan District, Kaohsiung 80424, Taiwan.
- Doctoral Degree Program in Marine Biotechnology, National Sun Yat-sen University and Academia Sinica, No.70, Lianhai Road, Gushan District, Kaohsiung 80424, Taiwan.
| | - Ping-Jyun Sung
- Taiwan Coral Research Center, National Museum of Marine Biology & Aquarium, No.2 Houwan Road, Checheng, Pingtung 94450, Taiwan.
- Graduate Institute of Marine Biotechnology, National Dong Hwa University, No.2 Houwan Road, Checheng, Pingtung 94450, Taiwan.
| | - Zhi-Hong Wen
- Department of Marine Biotechnology and Resources, National Sun Yat-sen University, No.70, Lianhai Road, Gushan District, Kaohsiung 80424, Taiwan.
- Doctoral Degree Program in Marine Biotechnology, National Sun Yat-sen University and Academia Sinica, No.70, Lianhai Road, Gushan District, Kaohsiung 80424, Taiwan.
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Velmurugan BK, Yang HH, Sung PJ, Weng CF. Excavatolide B inhibits nonsmall cell lung cancer proliferation by altering peroxisome proliferator activated receptor gamma expression and PTEN/AKT/NF-Kβ expression. Environ Toxicol 2017; 32:290-301. [PMID: 26790859 DOI: 10.1002/tox.22235] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/24/2015] [Revised: 12/27/2015] [Accepted: 12/27/2015] [Indexed: 06/05/2023]
Abstract
Marine organisms are proven to be rich source of secondary metabolites that can be used to treat various diseases. Excavatolide B (Exc.B), the most abundant metabolite was found in the marine coral Briareum excavatum exhibits cytotoxic effects against lung cancer cell. Treatment of the A549 cells with Exc.B significantly reduced its cell viability and induced cell cycle arrest at subG1 phase in a dose- and time-dependent manner, respectively. Apoptosis induction by Exc.B was further confirmed by decreased pro-caspase 3 expressions and increased proteolytic cleavage of poly (ADP-ribose) polymerase (PARP) expression. Furthermore, Exc.B increased reactive oxygen species (ROS) and reactive nitrogen species (RNS) and also decreased the antioxidant enzymes such as, Catalase, GPx, SOD, GST, and GSH. The proteomic analysis data revealed that total thirty six proteins were altered by Exc.B. STRING database showed that most of the altered proteins have no interaction between each other. Based on these data, KSR1, RuVBL2, PPAR-γ, and Tenascin X proteins were chosen to validate the 2DE data by Western blotting. Additional experiments demonstrated that Exc.B induced PTEN expression and inhibited pAKT and NF-kB expression. These results provide a novel insight into mechanisms underlying the inhibition of A549 cells growth by excavatolide B. © 2016 Wiley Periodicals, Inc. Environ Toxicol 32: 290-301, 2017.
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Affiliation(s)
- Bharath Kumar Velmurugan
- Department of Life Science and Institute of Biotechnology, National Dong Hwa University, Hualien, 974, Taiwan
| | - Hsueh-Hui Yang
- Department of Research, Buddhist Tzu Chi General Hospital, General Education Center, Tzu Chi College of Technology, Hualien, Taiwan
| | - Ping-Jyun Sung
- Graduate Institute of Marine Biotechnology, National Dong Hwa University, Pingtung, Taiwan
- National Museum of Marine Biology and Aquarium, Pingtung, 944, Taiwan
| | - Ching-Feng Weng
- Department of Life Science and Institute of Biotechnology, National Dong Hwa University, Hualien, 974, Taiwan
- Graduate Institute of Marine Biotechnology, National Dong Hwa University, Pingtung, Taiwan
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