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Carletti A, Gavaia PJ, Cancela ML, Laizé V. Metabolic bone disorders and the promise of marine osteoactive compounds. Cell Mol Life Sci 2023; 81:11. [PMID: 38117357 PMCID: PMC10733242 DOI: 10.1007/s00018-023-05033-x] [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: 06/20/2023] [Revised: 10/12/2023] [Accepted: 11/05/2023] [Indexed: 12/21/2023]
Abstract
Metabolic bone disorders and associated fragility fractures are major causes of disability and mortality worldwide and place an important financial burden on the global health systems. These disorders result from an unbalance between bone anabolic and resorptive processes and are characterized by different pathophysiological mechanisms. Drugs are available to treat bone metabolic pathologies, but they are either poorly effective or associated with undesired side effects that limit their use. The molecular mechanism underlying the most common metabolic bone disorders, and the availability, efficacy, and limitations of therapeutic options currently available are discussed here. A source for the unmet need of novel drugs to treat metabolic bone disorders is marine organisms, which produce natural osteoactive compounds of high pharmaceutical potential. In this review, we have inventoried the marine osteoactive compounds (MOCs) currently identified and spotted the groups of marine organisms with potential for MOC production. Finally, we briefly examine the availability of in vivo screening and validation tools for the study of MOCs.
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Affiliation(s)
- Alessio Carletti
- Centre of Marine Sciences (CCMAR), University of Algarve, Faro, Portugal
- Faculty of Medicine and Biomedical Sciences (FMCB), University of Algarve, Faro, Portugal
- Department of Developmental Genetics, Max Planck Institute for Heart and Lung Research, Bad Nauheim, Germany
| | - Paulo Jorge Gavaia
- Centre of Marine Sciences (CCMAR), University of Algarve, Faro, Portugal
- Faculty of Medicine and Biomedical Sciences (FMCB), University of Algarve, Faro, Portugal
- Associação Oceano Verde (GreenCoLab), Faro, Portugal
| | - Maria Leonor Cancela
- Centre of Marine Sciences (CCMAR), University of Algarve, Faro, Portugal
- Faculty of Medicine and Biomedical Sciences (FMCB), University of Algarve, Faro, Portugal
- Algarve Biomedical Center (ABC), University of Algarve, Faro, Portugal
| | - Vincent Laizé
- Centre of Marine Sciences (CCMAR), University of Algarve, Faro, Portugal.
- Collaborative Laboratory for Sustainable and Smart Aquaculture (S2AQUAcoLAB), Olhão, Portugal.
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Zhang L, Lin Y, Lu AX, Liu JX, Li J, Yan CH. Metabolomics insights into the effects of pre-pregnancy lead exposure on bone metabolism in pregnant rats. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 337:122468. [PMID: 37652228 DOI: 10.1016/j.envpol.2023.122468] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/29/2023] [Revised: 08/07/2023] [Accepted: 08/25/2023] [Indexed: 09/02/2023]
Abstract
Today's women of childbearing age with a history of high lead (Pb) exposure in childhood have large Pb body burdens, which increases Pb release during pregnancy by promoting bone Pb mobilisation. The purpose of this study was to investigate the metabolic mechanisms underlying bone Pb mobilisation and explore the bone metabolism-related pathways during pregnancy. Drinking water containing 0.05% sodium acetate or Pb acetate was provided to weaned female rats for 4 weeks followed by a 4-week washout period, and then rats were co-caged with healthy males of the same age until pregnancy. Blood and bone tissues of the female rats were collected at gestational day (GD) 3 (early pregnancy), GD 10 (middle pregnancy), and GD 17 (late pregnancy), respectively. Pb and calcium concentrations, biomarkers for bone turnover, bone microstructure, serum metabolomics, and metabolic indicators were intensively analyzed. The results demonstrated that pre-pregnancy Pb exposure elevated blood lead levels (BLLs) at GD17, accompanied by a negative correlation between BLLs and trabecular bone Pb levels. Meanwhile, Pb-exposed rats had low bone mass and aberrant bone architecture with a larger number of mature osteoclasts (OCs) compared to the control group. Moreover, the metabolomics uncovered that Pb exposure caused mitochondrial dysfunction, such as enhanced oxidative stress and inflammatory response, and suppressed energy metabolism. Additionally, the levels of ROS, MDA, IL-1β, and IL-18 involved in redox and inflammatory pathways of bone tissues were significantly increased in the Pb-exposed group, while antioxidant SOD and energy metabolism-related indicators including ATP levels, Na+-K+-ATPase, and Ca2+-Mg2+-ATPase activities were significantly decreased. In conclusion, pre-pregnancy Pb exposure promotes bone Pb mobilisation and affects bone microstructure in the third trimester of pregnancy, which may be attributed to OC activation and mitochondrial dysfunction.
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Affiliation(s)
- Lin Zhang
- MOE-Shanghai Key Laboratory of Children's Environmental Health, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200092, China
| | - Yin Lin
- MOE-Shanghai Key Laboratory of Children's Environmental Health, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200092, China
| | - An-Xin Lu
- MOE-Shanghai Key Laboratory of Children's Environmental Health, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200092, China
| | - Jun-Xia Liu
- MOE-Shanghai Key Laboratory of Children's Environmental Health, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200092, China
| | - Jing Li
- School of Public Health, Shanghai Jiao Tong University, Shanghai, 200025, China
| | - Chong-Huai Yan
- MOE-Shanghai Key Laboratory of Children's Environmental Health, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200092, China.
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Cho SH, Kim HS, Jung HY, Park JI, Jang YJ, Ahn J, Kim KN. Effect of Ishophloroglucin A Isolated from Ishige okamurae on In Vitro Osteoclastogenesis and Osteoblastogenesis. Mar Drugs 2023; 21:377. [PMID: 37504908 PMCID: PMC10381815 DOI: 10.3390/md21070377] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Revised: 06/19/2023] [Accepted: 06/22/2023] [Indexed: 07/29/2023] Open
Abstract
The balance between bone-resorbing osteoclasts and bone-forming osteoblasts is essential for the bone remodeling process. This study aimed to investigate the effect of Ishophloroglucin A (IPA) isolated from Ishige okamurae on the function of osteoclasts and osteoblasts in vitro. First, we demonstrated the effect of IPA on osteoclastogenesis in receptor activator of nuclear factor κB ligand (RANKL)-induced RAW 264.7 cells. IPA inhibited the tartrate-resistant acid phosphatase (TRAP) activity and osteoclast differentiation in RANKL-induced RAW 264.7 cells. Moreover, it inhibited the RANKL-induced osteoclast-related factors, such as TRAP, matrix metalloproteinase-9 (MMP-9), and calcitonin receptor (CTR), and transcription factors, such as nuclear factor of activated T cells 1 (NFATc1) and c-Fos. IPA significantly suppressed RANKL-activated extracellular signal-regulated kinase (ERK), and NF-κB in RAW 264.7 cells. Our data indicated that the ERK and NF-κB pathways were associated with the osteoclastogenesis inhibitory activity of IPA. Next, we demonstrated the effect of IPA on osteoblastogenesis in MG-63 cells. IPA significantly promoted alkaline phosphatase (ALP) activity in MG-63 cells, along with the osteoblast differentiation-related markers bone morphogenetic protein 2 (BMP2), type 1 collage (COL1), p-Smad1/5/8, and Runx2, by activating the MAPK signaling pathways. Taken together, the study indicated that IPA could be effective in treating bone diseases, such as osteoporosis.
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Affiliation(s)
- Su-Hyeon Cho
- Chuncheon Center, Korea Basic Science Institute (KBSI), Chuncheon 24341, Republic of Korea
- Department of Medical Biomaterials Engineering, College of Biomedical Sciences, Kangwon National University, Chuncheon 24341, Republic of Korea
| | - Hyun-Soo Kim
- National Marine Biodiversity Institute of Korea, Seocheon 33662, Republic of Korea
| | - Hye-Yeon Jung
- Gwangju Center, Korea Basic Science Institute (KBSI), Gwangju 61751, Republic of Korea
| | - Jae-Il Park
- Gwangju Center, Korea Basic Science Institute (KBSI), Gwangju 61751, Republic of Korea
| | - You-Jee Jang
- Department of Biomedical Laboratory Science, Honam University, Gwangju 62399, Republic of Korea
| | - Juhee Ahn
- Department of Medical Biomaterials Engineering, College of Biomedical Sciences, Kangwon National University, Chuncheon 24341, Republic of Korea
| | - Kil-Nam Kim
- Chuncheon Center, Korea Basic Science Institute (KBSI), Chuncheon 24341, Republic of Korea
- Department of Bio-Analysis Science, University of Science & Technology, Daejeon 34113, Republic of Korea
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Mandal AK, Sahoo A, Dwivedi K, Singh R, Kumar V. Potential therapeutic application of biophenols - plants secondary metabolites in rheumatoid arthritis. Crit Rev Food Sci Nutr 2022; 63:8900-8918. [PMID: 35593234 DOI: 10.1080/10408398.2022.2062700] [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: 11/03/2022]
Abstract
Rheumatoid arthritis (RA) is a chronic autoimmune disease showed that persistent inflammation in the joints, induces the cartilage destruction, bone erosion, and leukocyte infiltration in the synovium. RA mostly affects the joints of hands, feet, wrists, ankles, and knees. Each year, approximately 20-40 new cases are reported per lac population and the disease affects women more than men. The etiology of RA is still unknown, but many pathways have been identified as potential targets in its pathophysiology, including the PI3K/AKT signaling pathway, NF-κB signaling, Adenosine signaling, Wnt, SYK/BTK, and mTOR signaling pathways. Biophenol, plant secondary metabolite, is considered one of the most abundantly phytoconstituents to have potential anti-inflammatory effects associated with multiple pathways. These indicate that biophenols can be used for its protective effect on the development and symptoms of RA. The current review explores and discusses the role of different biophenols in the treatment of RA disease.
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Affiliation(s)
| | - Ankit Sahoo
- Natural Product Drug Discovery Laboratory, Department of Pharmaceutical Science, Shalom Institute of Health and Allied Sciences, Sam Higginbottom University of Agriculture, Technology and Sciences, Prayagraj, Uttar Pradesh, India
| | - Khusbu Dwivedi
- Department of Pharmaceutics, Shambhunath Institute of Pharmacy, Prayagraj, Uttar Pradesh, India
| | - Richa Singh
- Natural Product Drug Discovery Laboratory, Department of Pharmaceutical Science, Shalom Institute of Health and Allied Sciences, Sam Higginbottom University of Agriculture, Technology and Sciences, Prayagraj, Uttar Pradesh, India
| | - Vikas Kumar
- Natural Product Drug Discovery Laboratory, Department of Pharmaceutical Science, Shalom Institute of Health and Allied Sciences, Sam Higginbottom University of Agriculture, Technology and Sciences, Prayagraj, Uttar Pradesh, India
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Fernando IPS, Lee W, Ahn G. Marine algal flavonoids and phlorotannins; an intriguing frontier of biofunctional secondary metabolites. Crit Rev Biotechnol 2022; 42:23-45. [PMID: 34016003 DOI: 10.1080/07388551.2021.1922351] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2019] [Revised: 12/14/2020] [Accepted: 02/17/2021] [Indexed: 10/21/2022]
Abstract
Algae are the oldest representatives of the plant world with reserves exceeding hundreds of millions of tons in the world's oceans. Currently, a growing interest is placed toward the use of algae as feedstocks for obtaining numerous natural products. Algae are a rich source of polyphenols that possess intriguing structural diversity. Among the algal polyphenols, phlorotannins, which are unique to brown seaweeds, and have immense value as potent modulators of biochemical processes linked to chronic diseases. In algae, flavonoids remain under-explored compared to other categories of polyphenols. Both phlorotannins and flavonoids are inclusive of compounds indicating a wide structural diversity. The present paper reviews the literature on the ecological significance, biosynthesis, structural diversity, and bioactivity of seaweed phlorotannins and flavonoids. The potential implementation of these chemical entities in functional foods, cosmeceuticals, medicaments, and as templates in drug design are described in detail, and perspectives are provided to tackle what are perceived to be the most momentous challenges related to the utilization of phlorotannins and flavonoids. Moving beyond: industrial biotechnology applications, metabolic engineering, total synthesis, biomimetic synthesis, and chemical derivatization of phlorotannins and flavonoids could broaden the research perspectives contributing to the health and economic up-gradation.
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Affiliation(s)
| | - WonWoo Lee
- Honam National Institute of Biological Resources, 99, Gohadoan-gil, Mokpo-si, Jeollanam-do, Korea
| | - Ginnae Ahn
- Department of Marine Bio-Food Sciences, Chonnam National University, Yeosu, Republic of Korea
- Department of Food Technology and Nutrition, Chonnam National University, Yeosu, Republic of Korea
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Ahn J, Kim KN, Cho SH, Kwon TH, Jeong H, Kim J, Kim SR, Jeong M, Park S, Choi M, Woo JH. Dieckol isolated from Eisenia bicyclis extract suppresses RANKL-induced osteoclastogenesis in murine RAW 264.7 cells. Asian Pac J Trop Biomed 2022. [DOI: 10.4103/2221-1691.345518] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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Kim SY, Ahn G, Kim HS, Je JG, Kim KN, Jeon YJ. Diphlorethohydroxycarmalol (DPHC) Isolated from the Brown Alga Ishige okamurae Acts on Inflammatory Myopathy as an Inhibitory Agent of TNF-α. Mar Drugs 2020; 18:E529. [PMID: 33114618 PMCID: PMC7692396 DOI: 10.3390/md18110529] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2020] [Revised: 10/22/2020] [Accepted: 10/22/2020] [Indexed: 12/12/2022] Open
Abstract
Inflammation affects various organs of the human body, including skeletal muscle. Phlorotannins are natural biologically active substances found in marine brown algae and exhibit anti-inflammatory activities. In this study, we focused on the effects of phlorotannins on anti-inflammatory activity and skeletal muscle cell proliferation activity to identify the protective effects on the inflammatory myopathy. First, the five species of marine brown algal extracts dramatically inhibited nitric oxide (NO) production in lipopolysaccharide (LPS)-induced RAW 264.7 cells without toxicity at all the concentrations tested. Moreover, the extracts collected from Ishige okamurae (I. okamurae) significantly increased cell proliferation of C2C12 myoblasts compared to the non-treated cells with non-toxicity. In addition, as a result of finding a potential tumor necrosis factor (TNF)-α inhibitor that regulates the signaling pathway of muscle degradation in I. okamurae-derived natural bioactive compounds, Diphlorethohydroxycarmalol (DPHC) is favorably docked to the TNF-α with the lowest binding energy and docking interaction energy value. Moreover, DPHC down-regulated the mRNA expression level of pro-inflammatory cytokines and suppressed the muscle RING-finger protein (MuRF)-1 and Muscle Atrophy F-box (MAFbx)/Atrgoin-1, which are the key protein muscle atrophy via nuclear factor-κB (NF-κB), and mitogen-activated protein kinase (MAPKs) signaling pathways in TNF-α-stimulated C2C12 myotubes. Therefore, it is expected that DPHC isolated from IO would be developed as a TNF-α inhibitor against inflammatory myopathy.
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Affiliation(s)
- Seo-Young Kim
- Department of Marine Life Science, Jeju National University, Jeju 63243, Korea; (S.-Y.K.); (H.-S.K.); (J.-G.J.)
- Chuncheon Center, Korea Basic Science Institute (KBSI), Chuncheon 24341, Korea;
| | - Ginnae Ahn
- Department of Food Technology and Nutrition, Chonnam National University, Yeosu 59626, Korea;
| | - Hyun-Soo Kim
- Department of Marine Life Science, Jeju National University, Jeju 63243, Korea; (S.-Y.K.); (H.-S.K.); (J.-G.J.)
- Department of Applied Research, National Marine Biodiversity Institute of Korea, 75, Jangsan-ro 101-gil, Janghang-eup, Seocheon 33662, Korea
| | - Jun-Geon Je
- Department of Marine Life Science, Jeju National University, Jeju 63243, Korea; (S.-Y.K.); (H.-S.K.); (J.-G.J.)
| | - Kil-Nam Kim
- Chuncheon Center, Korea Basic Science Institute (KBSI), Chuncheon 24341, Korea;
| | - You-Jin Jeon
- Department of Marine Life Science, Jeju National University, Jeju 63243, Korea; (S.-Y.K.); (H.-S.K.); (J.-G.J.)
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Wang F, Zhang C, Ge W, Zhang G. Up-regulated CST5 inhibits bone resorption and activation of osteoclasts in rat models of osteoporosis via suppression of the NF-κB pathway. J Cell Mol Med 2019; 23:6744-6754. [PMID: 31402549 PMCID: PMC6787459 DOI: 10.1111/jcmm.14552] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2018] [Revised: 06/24/2019] [Accepted: 06/30/2019] [Indexed: 12/13/2022] Open
Abstract
Here, we aim at exploring the effect of CST5 on bone resorption and activation of osteoclasts in osteoporosis (OP) rats through the NF‐κB pathway. Microarray analysis was used to screen the OP‐related differentially expressed genes. Osteoporosis was induced in rats by intragastric retinoic acid administration. The serum levels of tartrate‐resistant acid phosphatase (TRAP), bone alkaline phosphatase (BALP) and osteocalcin (OC) and the expression of CD61 on the surface of osteoclasts were examined. The number of osteoclasts and the number and area of resorption pits were detected. Besides, the pathological changes and bone mineral density in bone tissues of rats were assessed. Also, the relationship between CST5 and the NF‐κB pathway was identified through determining the expression of CST5, RANKL, RANK, OPG, p65 and IKB. Poorly expressed CST5 was indicated to affect the OP. CST5 elevation and inhibition of the NF‐κB pathway decreased serum levels of TRAP, BALP and OC and expression of CD61 in vivo and in vitro. In OP rats, CST5 overexpression increased trabecular bones and bone mineral density of bone tissues, but decreased trabecular separation, fat within the bone marrow cavities and the number of osteoclasts through inhibiting the NF‐κB pathway. In vivo experiments showed that CST5 elevation inhibited growth in number and area of osteoclastic resorption pits and restrained osteoclastic bone absorption by inhibiting the NF‐κB pathway. In summary, overexpression of CST5 suppresses the activation and bone resorption of osteoclasts by inhibiting the activation of the NF‐κB pathway.
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Affiliation(s)
- Fei Wang
- Department of Pain, Linyi People's Hospital, Linyi, China
| | - Chuanzhu Zhang
- Department of Anesthesiology, Linyi People's Hospital, Linyi, China
| | - Wei Ge
- Department of Orthopedics, Chinese Medicine Hospital in Linyi City, Linyi, China
| | - Guoqiang Zhang
- Department of Hand and Foot Surgery, Linyi People's Hospital, Linyi, China
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Ihn HJ, Kim JA, Lim S, Nam SH, Hwang SH, Lim J, Kim GY, Choi YH, Jeon YJ, Lee BJ, Bae JS, Kim YH, Park EK. Fermented Oyster Extract Prevents Ovariectomy-Induced Bone Loss and Suppresses Osteoclastogenesis. Nutrients 2019; 11:nu11061392. [PMID: 31234292 PMCID: PMC6627411 DOI: 10.3390/nu11061392] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2019] [Revised: 06/10/2019] [Accepted: 06/20/2019] [Indexed: 01/08/2023] Open
Abstract
There is growing interest in bioactive substances from marine organisms for their potential use against diverse human diseases. Osteoporosis is a skeletal disorder associated with bone loss primarily occurring through enhanced osteoclast differentiation and resorption. Recently, we reported the anti-osteoclastogenic activity of fermented Pacific oyster (Crassostrea gigas) extract (FO) in vitro. The present study focused on investigating the anti-osteoporotic efficacy of FO in bone loss prevention in an experimental animal model of osteoporosis and elucidating the mechanism underlying its effects. Oral administration of FO significantly decreased ovariectomy-induced osteoclast formation and prevented bone loss, with reduced serum levels of bone turnover biomarkers including osteocalcin and C-terminal telopeptide fragment of type I collagen C-terminus (CTX). FO significantly suppressed receptor activator of nuclear factor-κB ligand (RANKL)-induced differentiation of bone marrow-derived macrophages (BMMs) into osteoclasts and attenuated the induction of osteoclast-specific genes required for osteoclastogenesis and bone resorption. Furthermore, FO inhibited RANKL-mediated IκBα and p65 phosphorylation in BMMs. Taken together, these results demonstrate that FO effectively suppresses osteoclastogenesis in vivo and in vitro, and that FO can be considered as a potential therapeutic option for the treatment of osteoporosis and osteoclast-mediated skeletal diseases.
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Affiliation(s)
- Hye Jung Ihn
- Institute for Hard Tissue and Biotooth Regeneration (IHBR), Kyungpook National University, Daegu 41940, Korea.
| | - Ju Ang Kim
- Department of Oral Pathology and Regenerative Medicine, School of Dentistry, IHBR, Kyungpook National University, Daegu 41940, Korea.
| | - Soomin Lim
- Department of Oral Pathology and Regenerative Medicine, School of Dentistry, IHBR, Kyungpook National University, Daegu 41940, Korea.
| | - Sang-Hyeon Nam
- Department of Oral Pathology and Regenerative Medicine, School of Dentistry, IHBR, Kyungpook National University, Daegu 41940, Korea.
| | - So Hyeon Hwang
- Department of Oral Pathology and Regenerative Medicine, School of Dentistry, IHBR, Kyungpook National University, Daegu 41940, Korea.
| | - Jiwon Lim
- Department of Oral Pathology and Regenerative Medicine, School of Dentistry, IHBR, Kyungpook National University, Daegu 41940, Korea.
| | - Gi-Young Kim
- Department of Marine Life Sciences, Jeju National University, Jeju 63243, Korea.
| | - Yung Hyun Choi
- Department of Biochemistry, College of Oriental Medicine, Dong-Eui University, Busan 47227, Korea.
| | - You-Jin Jeon
- Department of Marine Life Sciences, Jeju National University, Jeju 63243, Korea.
| | - Bae-Jin Lee
- Marine Bioprocess Co., Ltd., Busan 46048, Korea.
| | - Jong-Sup Bae
- College of Pharmacy, Research Institute of Pharmaceutical Sciences, Kyungpook National University, Daegu 41566, Korea.
| | - Yeo Hyang Kim
- Department of Pediatrics, School of Medicine, Kyungpook National University, Daegu 41944, Korea.
| | - Eui Kyun Park
- Department of Oral Pathology and Regenerative Medicine, School of Dentistry, IHBR, Kyungpook National University, Daegu 41940, Korea.
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Kang MC, Ding Y, Kim HS, Jeon YJ, Lee SH. Inhibition of Adipogenesis by Diphlorethohydroxycarmalol (DPHC) through AMPK Activation in Adipocytes. Mar Drugs 2019; 17:md17010044. [PMID: 30634617 PMCID: PMC6356311 DOI: 10.3390/md17010044] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2018] [Revised: 12/29/2018] [Accepted: 01/07/2019] [Indexed: 12/16/2022] Open
Abstract
The purpose of this study was to investigate the antiobesity effect and the mechanism of action of diphlorethohydroxycarmalol (DPHC) isolated from Ishige okamurae in 3T3-L1 cells. The antiobesity effects were examined by evaluating intracellular fat accumulation in Oil Red O-stained adipocytes. Based on the results, DPHC dose-dependently inhibited the lipid accumulation in 3T3-L1 adipocytes. DPHC significantly inhibited adipocyte-specific proteins such as SREBP-1c, PPARγ, C/EBP α, and adiponectin, as well as adipogenic enzymes, including perilipin, FAS, FABP4, and leptin in adipocytes. These results indicated that DPHC primarily acts by regulating adipogenic-specific proteins through inhibiting fat accumulation and fatty acid synthesis in adipocytes. DPHC treatment significantly increased both AMPK and ACC phosphorylation in adipocytes. These results indicate that DPHC inhibits the fat accumulation by activating AMPK and ACC in 3T3-L1 cells. Taken together, these results suggest that DPHC can be used as a potential therapeutic agent against obesity.
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Affiliation(s)
- Min-Cheol Kang
- Department of Marine Life Sciences, Jeju National University, Jeju 63243, Korea.
- Korea Food Research Institute, 245 Nongsaengmyeong-Ro Iseo-Myeon, Wanju-Gun, Jeollabuk-Do 55365, Korea.
| | - Yuling Ding
- Department of Pharmaceutical Engineering, Soonchunhyang University, Asan 31538, Korea.
| | - Hyun-Soo Kim
- Department of Marine Life Sciences, Jeju National University, Jeju 63243, Korea.
| | - You-Jin Jeon
- Department of Marine Life Sciences, Jeju National University, Jeju 63243, Korea.
| | - Seung-Hong Lee
- Department of Pharmaceutical Engineering, Soonchunhyang University, Asan 31538, Korea.
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Abstract
Covering: January to December 2017This review covers the literature published in 2017 for marine natural products (MNPs), with 740 citations (723 for the period January to December 2017) 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 477 papers for 2017), together with the relevant biological activities, source organisms and country of origin. Reviews, biosynthetic studies, first syntheses, and syntheses that led to the revision of structures or stereochemistries, have been included. Geographic distributions of MNPs at a phylogenetic level are reported.
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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
| | - Robert A Keyzers
- Centre for Biodiscovery, School of Chemical and Physical Sciences, Victoria University of Wellington, Wellington, New Zealand
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Zheng C, Shi X. Cysteinyl leukotriene receptor 1 (cysLT1R) regulates osteoclast differentiation and bone resorption. ARTIFICIAL CELLS NANOMEDICINE AND BIOTECHNOLOGY 2018; 46:S64-S70. [PMID: 30183378 DOI: 10.1080/21691401.2018.1489264] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Abstract
Excessive bone resorption induced by abnormal osteoclast differentiation has been associated with bone microstructure damage and bone-associated disorders, including osteoporosis. Here, we investigated the physiological roles of the type 1 cysteinyl leukotriene receptor (cysLTR-1) and the pharmacological functions of the specific cysLTR-1 antagonist montelukast on M-CSF- and RANKL-induced osteoclast differentiation. We showed that cysLTR-1 but not cysLTR-2 is expressed in osteoclast precursor cells: mouse bone marrow-derived macrophages (BMMs). We also found that treatment with M-CSF and RANKL significantly increased expression of cysLTR-1. Overexpression of cysLTR-1 promoted osteoclast differentiation of BMMs by increasing NFATc1 and TRAP. In contrast, treatment with montelukast prevented M-CSF- and RANKL-induced osteoclast differentiation of BMMs. Mechanically, our findings demonstrate that montelukast treatment attenuated activation of the ERK1/2, p38, JNK and NF-κB signalling pathways. Additionally, we reported that montelukast treatment ameliorated the generation of ROS and calcium signalling. Importantly, the co-immunoprecipitation assay displayed that montelukast treatment prevented the interaction of RANK and TRAF6. Finally, in vivo experiments indicated that montelukast rescued the reduction of bone volume as well as trabecular number in an ovariectomy mouse model.
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Affiliation(s)
- Chao Zheng
- a Department of Reparative and Reconstructive Surgery , Linyi People's Hospital , Linyi , Shandong , China
| | - Xiaoming Shi
- b Department of Stomatology , Linyi People's Hospital , Linyi , Shandong , China
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Kim K, Kim TH, Ihn HJ, Kim JE, Choi JY, Shin HI, Park EK. Inhibitory Effect of Purpurogallin on Osteoclast Differentiation in Vitro through the Downregulation of c-Fos and NFATc1. Int J Mol Sci 2018; 19:ijms19020601. [PMID: 29463002 PMCID: PMC5855823 DOI: 10.3390/ijms19020601] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2018] [Revised: 02/12/2018] [Accepted: 02/14/2018] [Indexed: 01/26/2023] Open
Abstract
Purpurogallin, a benzotropolone-containing natural compound, has been reported to exhibit numerous biological and pharmacological functions, such as antioxidant, anticancer, and anti-inflammatory effects. In this study, we enzymatically synthesized purpurogallin from pyrogallol and investigated its role in receptor activator of nuclear factor-κB ligand (RANKL)-induced osteoclastogenesis. Purpurogallin attenuated the formation of multinucleated tartrate-resistant acid phosphatase (TRAP)-positive osteoclasts from bone marrow macrophages (BMMs) without causing cytotoxicity, and suppressed upregulation of osteoclast-specific markers, including TRAP (Acp5), cathepsin K (Ctsk), and dendritic cell-specific transmembrane protein (Dcstamp). However, purpurogallin did not affect the bone resorbing function of mature osteoclasts evident by the resorption pit assay. Activation of mitogen-activated protein kinases, Akt and IkB pathways in RANK signaling were not altered by purpurogallin, whereas the expression of c-Fos and NFATc1, key transcriptional regulators in osteoclastogenesis, was dramatically inhibited by purpurogallin. Purpurogallin also significantly reduced the expression level of B lymphocyte-induced maturation protein-1 (Blimp1) gene (Prdm1). Further, downregulation of Blimp1 led to forced expression of anti-osteoclastogenic genes, including interferon regulatory factor-8 (Irf8) and B-cell lymphoma 6 (Bcl6) genes. Taken together, our data suggested that purpurogallin inhibits osteoclast differentiation via downregulation of c-Fos and NFATc1.
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Affiliation(s)
- Kiryeong Kim
- Department of Oral Pathology and Regenerative Medicine, School of Dentistry, IHBR, Kyungpook National University, Daegu 41940, Korea.
| | - Tae Hoon Kim
- Department of Food Science and Biotechnology, Daegu University, Gyeongsan 38453, Korea.
| | - Hye Jung Ihn
- Department of Oral Pathology and Regenerative Medicine, School of Dentistry, IHBR, Kyungpook National University, Daegu 41940, Korea.
| | - Jung Eun Kim
- Department of Molecular Medicine, School of Medicine, Kyungpook National University, Daegu 41944, Korea.
| | - Je-Yong Choi
- Department of Biochemistry and Cell Biology, School of Medicine, Kyungpook National University, Daegu 41944, Korea.
| | - Hong-In Shin
- Department of Oral Pathology and Regenerative Medicine, School of Dentistry, IHBR, Kyungpook National University, Daegu 41940, Korea.
| | - Eui Kyun Park
- Department of Oral Pathology and Regenerative Medicine, School of Dentistry, IHBR, Kyungpook National University, Daegu 41940, Korea.
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Kim HJ, Park C, Kim GY, Park EK, Jeon YJ, Kim S, Hwang HJ, Choi YH. Sargassum serratifolium attenuates RANKL-induced osteoclast differentiation and oxidative stress through inhibition of NF-κB and activation of the Nrf2/HO-1 signaling pathway. Biosci Trends 2018; 12:257-265. [PMID: 30012915 DOI: 10.5582/bst.2018.01107] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Sargassum serratifolium C. Agardh is a marine brown alga that has long been used as an ingredient for food and medicine by many people living along Asian coastlines. Recently, various beneficial effects of extracts or compounds isolated from S. serratifolium have been reported, but their efficacies against bone destruction are unclear. Therefore, in this study, we investigated the inhibitory property of an ethanol extract of S. serratifolium (EESS) on osteoclast differentiation by focusing on the receptor activator of nuclear factor-κB ligand (RANKL)-stimulated osteoclastogenesis model using RAW 264.7 macrophages. Our results demonstrated that EESS reduced RANKL-induced osteoclast differentiation in RAW 264.7 cells, by inhibiting tartrate-resistant acid phosphatase (TRAP) activity and destroying the F-actin ring formation. EESS also attenuated RANKL-induced expressions of key osteoclast-specific genes, such as nuclear factor of activated T cells cytoplasmic 1 (NFATC1), TRAP, cathepsin K and matrix metalloproteinase-9. These effects were mediated by impaired nuclear translocation of nuclear factor (NF)-κB and suppression of IκB-α degradation. In addition, EESS effectively inhibited the production of reactive oxygen species (ROS) by RANKL, which was associated with enhanced expression of nuclear translocation of nuclear factor-erythroid 2-related factor 2 (Nrf2) and heme oxygenase-1 (HO-1). Overall, our findings provide evidence that EESS suppresses RANKL-induced osteoclastogenesis and oxidative stress through suppression of NF-κB and activation of Nrf2/HO-1 signaling pathway, indicating that S. serratifolium has a potential application the prevention and treatment of osteoclastogenic bone disease.
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Affiliation(s)
| | - Cheol Park
- Department of Molecular Biology, College of Natural Sciences, Dongeui University
| | - Gi-Young Kim
- Department of Marine Life Sciences, Jeju National University
| | - Eui Kyun Park
- Department of Oral Pathology and Regenerative Medicine, School of Dentistry, Institute for Hard Tissue and Biotooth Regeneration, Kyungpook National University
| | - You-Jin Jeon
- Department of Marine Life Sciences, Jeju National University
| | - Suhkmann Kim
- Department of Chemistry, College of Natural Sciences, Center for Proteome Biophysics and Chemistry Institute for Functional Materials, Pusan National University
| | - Hye Jin Hwang
- Department of Food and Nutrition, College of Natural Sciences and Human Ecology, Dongeui University
| | - Yung Hyun Choi
- Anti-Aging Research Center, Dongeui University
- Department of Biochemistry, Dongeui University College of Korean Medicine
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