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Song JH, Mun SH, Yang H, Kwon YS, Kim SR, Song MY, Ham Y, Choi HJ, Baek WJ, Cho S, Ko HJ. Antiviral Mechanisms of Saucerneol from Saururus chinensis against Enterovirus A71, Coxsackievirus A16, and Coxsackievirus B3: Role of Mitochondrial ROS and the STING/TKB-1/IRF3 Pathway. Viruses 2023; 16:16. [PMID: 38275951 PMCID: PMC10821076 DOI: 10.3390/v16010016] [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: 11/10/2023] [Revised: 12/16/2023] [Accepted: 12/19/2023] [Indexed: 01/27/2024] Open
Abstract
Enterovirus A71 (EV71), coxsackievirus A16 (CVA16), and coxsackievirus B3 (CVB3) are pathogenic members of the Picornaviridae family that cause a range of diseases, including severe central nervous system complications, myocarditis, and pancreatitis. Despite the considerable public health impact of these viruses, no approved antiviral treatments are currently available. In the present study, we confirmed the potential of saucerneol, a compound derived from Saururus chinensis, as an antiviral agent against EV71, CVA16, and CVB3. In the in vivo model, saucerneol effectively suppressed CVB3 replication in the pancreas and alleviated virus-induced pancreatitis. The antiviral activity of saucerneol is associated with increased mitochondrial ROS (mROS) production. In vitro inhibition of mROS generation diminishes the antiviral efficacy of saucerneol. Moreover, saucerneol treatment enhanced the phosphorylation of STING, TBK-1, and IRF3 in EV71- and CVA16-infected cells, indicating that its antiviral effects were mediated through the STING/TBK-1/IRF3 antiviral pathway, which was activated by increased mROS production. Saucerneol is a promising natural antiviral agent against EV71, CVA16, and CVB3 and has potential against virus-induced pancreatitis and myocarditis. Further studies are required to assess its safety and efficacy, which is essential for the development of effective antiviral strategies against these viruses.
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Affiliation(s)
- Jae-Hyoung Song
- Department of Pharmacy, Kangwon National University, Chuncheon 24341, Republic of Korea; (J.-H.S.); (S.-H.M.); (H.Y.); (M.-y.S.)
- Kangwon Institute of Inclusive Technology, Kangwon National University, Chuncheon 24341, Republic of Korea
| | - Seo-Hyeon Mun
- Department of Pharmacy, Kangwon National University, Chuncheon 24341, Republic of Korea; (J.-H.S.); (S.-H.M.); (H.Y.); (M.-y.S.)
| | - Heejung Yang
- Department of Pharmacy, Kangwon National University, Chuncheon 24341, Republic of Korea; (J.-H.S.); (S.-H.M.); (H.Y.); (M.-y.S.)
| | - Yong Soo Kwon
- Department of Pharmacy, Kangwon National University, Chuncheon 24341, Republic of Korea; (J.-H.S.); (S.-H.M.); (H.Y.); (M.-y.S.)
| | - Seong-Ryeol Kim
- Division of Acute Viral Diseases, Centers for Emerging Virus Research, National Institute of Health, Korea Disease Control and Prevention Agency, Cheongju 28159, Republic of Korea;
| | - Min-young Song
- Department of Pharmacy, Kangwon National University, Chuncheon 24341, Republic of Korea; (J.-H.S.); (S.-H.M.); (H.Y.); (M.-y.S.)
| | - Youngwook Ham
- Nucleic Acid Therapeutics Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Cheongju 28116, Republic of Korea;
- Department of Biomolecular Science, KRIBB School of Bioscience, Korea University of Science and Technology (KUST), Daejeon 34113, Republic of Korea
| | - Hwa-Jung Choi
- Department of Beauty Art, Youngsan University, 142 Bansong Beltway, Busan 48015, Republic of Korea; (H.-J.C.); (W.-J.B.)
| | - Won-Jin Baek
- Department of Beauty Art, Youngsan University, 142 Bansong Beltway, Busan 48015, Republic of Korea; (H.-J.C.); (W.-J.B.)
| | - Sungchan Cho
- Nucleic Acid Therapeutics Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Cheongju 28116, Republic of Korea;
- Department of Biomolecular Science, KRIBB School of Bioscience, Korea University of Science and Technology (KUST), Daejeon 34113, Republic of Korea
| | - Hyun-Jeong Ko
- Department of Pharmacy, Kangwon National University, Chuncheon 24341, Republic of Korea; (J.-H.S.); (S.-H.M.); (H.Y.); (M.-y.S.)
- Kangwon Institute of Inclusive Technology, Kangwon National University, Chuncheon 24341, Republic of Korea
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Zhen X, Choi HS, Kim JH, Kim SL, Liu R, Yun BS, Lee DS. Machilin D, a Lignin Derived from Saururus chinensis, Suppresses Breast Cancer Stem Cells and Inhibits NF-κB Signaling. Biomolecules 2020; 10:biom10020245. [PMID: 32033472 PMCID: PMC7072518 DOI: 10.3390/biom10020245] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2020] [Revised: 01/31/2020] [Accepted: 02/03/2020] [Indexed: 02/07/2023] Open
Abstract
Cancer stem cells are responsible for breast cancer initiation, metastasis, and relapse. Targeting breast cancer stem cells (BCSCs) using phytochemicals is a good strategy for the treatment of cancer. A silica gel, a reversed-phase C18 column (ODS), a Sephadex LH-20 gel, thin layer chromatography, and high-performance liquid chromatography (HPLC) were used for compound isolation from Saururus chinensis extracts. The isolated compound was identified as machilin D by mass spectrometry and nuclear magnetic resonance (NMR). Machilin D inhibited the growth and mammosphere formation of breast cancer cells and inhibited tumor growth in a xenograft mouse model. Machilin D reduced the proportions of CD44+/CD24- and aldehyde dehydrogenase 1 (ALDH1)-positive cells. Furthermore, this compound reduced the nuclear localization of the NF-κB protein and decreased the IL-6 and IL-8 secretion in mammospheres. These results suggest that machilin D blocks IL-6 and IL-8 signaling and induces CSC death and thus may be a potential agent targeting BCSCs.
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Affiliation(s)
- Xing Zhen
- Interdisciplinary Graduate Program in Advanced Convergence Technology and Science, Jeju National University, Jeju 63243, Korea; (X.Z.); (J.-H.K.); (S.-L.K.); (R.L.)
| | - Hack Sun Choi
- Subtropical/Tropical Organism Gene Bank, Jeju National University, Jeju 63243, Korea;
| | - Ji-Hyang Kim
- Interdisciplinary Graduate Program in Advanced Convergence Technology and Science, Jeju National University, Jeju 63243, Korea; (X.Z.); (J.-H.K.); (S.-L.K.); (R.L.)
| | - Su-Lim Kim
- Interdisciplinary Graduate Program in Advanced Convergence Technology and Science, Jeju National University, Jeju 63243, Korea; (X.Z.); (J.-H.K.); (S.-L.K.); (R.L.)
| | - Ren Liu
- Interdisciplinary Graduate Program in Advanced Convergence Technology and Science, Jeju National University, Jeju 63243, Korea; (X.Z.); (J.-H.K.); (S.-L.K.); (R.L.)
| | - Bong-Sik Yun
- Division of Biotechnology, College of Environmental and Bioresource Sciences, Jeonbuk National University, Gobong-ro 79, Iksan 54596, Korea;
| | - Dong-Sun Lee
- Interdisciplinary Graduate Program in Advanced Convergence Technology and Science, Jeju National University, Jeju 63243, Korea; (X.Z.); (J.-H.K.); (S.-L.K.); (R.L.)
- Subtropical/Tropical Organism Gene Bank, Jeju National University, Jeju 63243, Korea;
- Practical Translational Research Center, Jeju National University, Jeju 63243, Korea
- Faculty of Biotechnology, College of Applied Life Sciences, Jeju National University, SARI, Jeju 63243, Korea
- Correspondence:
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Kim JS, Takanche JS, Kim JE, Jeong SH, Han SH, Yi HK. Schisandra chinensis extract ameliorates age-related muscle wasting and bone loss in ovariectomized rats. Phytother Res 2019; 33:1865-1877. [PMID: 31074579 DOI: 10.1002/ptr.6375] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2019] [Revised: 04/02/2019] [Accepted: 04/03/2019] [Indexed: 12/22/2022]
Abstract
Exercise and healthy diet consumption support healthy aging. Schisandra chinensis (Turcz.) also known as "Baill." has anti-inflammatory and antioxidant properties. However, the role of S. chinensis as an antiaging compound has yet to be demonstrated. This study elucidated the antiaging effect of S. chinensis ethanol-hexane extract (C1) and the effect of C1 treatment on muscle and bone following physical exercise in ovariectomized (OVX) rats. RAW 264.7, human diploid fibroblasts (HDFs), C2C12 myoblasts, bone marrow macrophages, and MC3T3-E1 cells were used for in vitro, and muscle and bone of OVX rats were used for in vivo study to demonstrate the effect of C1. The C1 significantly inhibited the expression of inflammatory molecules, β-galactosidase activity, and improved antioxidant activity via down-regulation of reactive oxygen species in RAW 264.7 and aged HDF cells. The C1 with exercise improved muscle regeneration in skeletal muscle of OVX rats by promoting mitochondrial biogenesis and autophagy. C1 induced osteoblast differentiation, and C1 + exercise modulated the bone formation and bone resorption in OVX rats. C1 exhibited anti-inflammatory, antioxidant, myogenic, and osteogenic effects. C1 with exercise improved age-related muscle wasting and bone loss. Therefore, S. chinensis may be a potential prevent agent for age-related diseases such as sarcopenia and osteoporosis.
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Affiliation(s)
- Jeong-Seok Kim
- Department of Physical Education, College of Education, Jeonju, South Korea.,Department of Oral Biochemistry, Institute of Oral Bioscience, School of Dentistry, Chonbuk National University, Jeonju, South Korea
| | - Jyoti Shrestha Takanche
- Department of Oral Biochemistry, Institute of Oral Bioscience, School of Dentistry, Chonbuk National University, Jeonju, South Korea
| | - Ji-Eun Kim
- Department of Oral Biochemistry, Institute of Oral Bioscience, School of Dentistry, Chonbuk National University, Jeonju, South Korea
| | - Seon-Hwa Jeong
- Department of Oral Biochemistry, Institute of Oral Bioscience, School of Dentistry, Chonbuk National University, Jeonju, South Korea
| | - Sin-Hee Han
- Department of Herbal Crop Research, National Institute of Horticultural and Herbal Science, RDA, Eumseong, South Korea
| | - Ho-Keun Yi
- Department of Oral Biochemistry, Institute of Oral Bioscience, School of Dentistry, Chonbuk National University, Jeonju, South Korea
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Moon SH, Kim I, Kim SH. Mollugin enhances the osteogenic action of BMP-2 via the p38-Smad signaling pathway. Arch Pharm Res 2017; 40:1328-1335. [PMID: 29027119 DOI: 10.1007/s12272-017-0964-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2017] [Accepted: 09/27/2017] [Indexed: 11/25/2022]
Abstract
Bone morphogenetic protein 2 (BMP-2) has been used clinically to encourage bone regeneration; although, there can be major side effects with larger doses. Therefore, there is a need to identify new small molecules to potentiate the osteogenic action of BMP-2. In this study, we investigated the effect of mollugin on bone formation in murine bi-potential mesenchymal progenitor C2C12 cells by combination with BMP-2. We found mollugin could enhance the BMP-2-mediated osteoblast differentiation of C2C12 cells. This was accompanied by the induction of other osteogenic BMPs. We also found the enhancing potential of mollugin may involve activation of the p38-Smad1/5/8 signaling axis. Furthermore, mollugin promoted skeletal development in zebrafish. The combination of BMP-2 with small molecules, including mollugin, could minimize its clinical limitations, and these molecules might lead to the development of effective stem cell stimulants for bone regeneration and fracture healing.
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Affiliation(s)
- Seong-Hee Moon
- Bio & Drug Discovery Division, Center for Drug Discovery Technology, Korea Research Institute of Chemical Technology, 141 Gajeong-ro, Yuseong-gu, Daejeon, 334114, Republic of Korea
- Department of Biology, Chungnam National University, Daejeon, Republic of Korea
- Department of Strategy and Planning, Korea Institute of Science and Technology Information, Seoul, Republic of Korea
| | - Ikyon Kim
- College of Pharmacy and Yonsei Institute of Pharmaceutical Sciences, Yonsei University, 85 Songdogwahak-ro, Yeonsu-gu, Incheon, 21983, Republic of Korea.
| | - Seong Hwan Kim
- Bio & Drug Discovery Division, Center for Drug Discovery Technology, Korea Research Institute of Chemical Technology, 141 Gajeong-ro, Yuseong-gu, Daejeon, 334114, Republic of Korea.
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Rodríguez-Carballo E, Gámez B, Ventura F. p38 MAPK Signaling in Osteoblast Differentiation. Front Cell Dev Biol 2016; 4:40. [PMID: 27200351 PMCID: PMC4858538 DOI: 10.3389/fcell.2016.00040] [Citation(s) in RCA: 190] [Impact Index Per Article: 23.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2016] [Accepted: 04/21/2016] [Indexed: 12/14/2022] Open
Abstract
The skeleton is a highly dynamic tissue whose structure relies on the balance between bone deposition and resorption. This equilibrium, which depends on osteoblast and osteoclast functions, is controlled by multiple factors that can be modulated post-translationally. Some of the modulators are Mitogen-activated kinases (MAPKs), whose role has been studied in vivo and in vitro. p38-MAPK modifies the transactivation ability of some key transcription factors in chondrocytes, osteoblasts and osteoclasts, which affects their differentiation and function. Several commercially available inhibitors have helped to determine p38 action on these processes. Although it is frequently mentioned in the literature, this chemical approach is not always as accurate as it should be. Conditional knockouts are a useful genetic tool that could unravel the role of p38 in shaping the skeleton. In this review, we will summarize the state of the art on p38 activity during osteoblast differentiation and function, and emphasize the triggers of this MAPK.
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Affiliation(s)
| | - Beatriz Gámez
- Departament de Ciències Fisiològiques II, Universitat de Barcelona and IDIBELL, L'Hospitalet de Llobregat Barcelona, Spain
| | - Francesc Ventura
- Departament de Ciències Fisiològiques II, Universitat de Barcelona and IDIBELL, L'Hospitalet de Llobregat Barcelona, Spain
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