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Poon CCW, Au-Yeung C, Wong KY, Chan Z, Zhou LP, Li G, Wang Y, Zhang Y, Wong MS. Icariin promotes cell adhesion for osteogenesis in bone marrow stromal cells via binding to integrin α5β1. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2024; 133:155887. [PMID: 39067311 DOI: 10.1016/j.phymed.2024.155887] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Revised: 06/05/2024] [Accepted: 07/14/2024] [Indexed: 07/30/2024]
Abstract
BACKGROUND AND PURPOSE Icariin, an 8-prenylated flavonoid glycoside, is an anabolic agent that could exert rapid estrogenic actions via ligand-independent activation of estrogen receptor alpha (ERα) in osteoblastic cells to promote osteogenesis. However, relatively little is known about its direct cellular target, its protective effects, and cell adhesion activities in bone marrow stromal cells (BMSCs) against microgravity. In the present study, the effects of icariin on osteogenesis and cell adhesion under microgravity were examined with the involvement of integrin receptor α5β1, connexin 43, and CAMs. STUDY DESIGN AND METHODS Icariin was orally administered to 6-month-old ovariectomized (OVX) Sprague-Dawley (SD) rats for 3 months through daily intake of phytoestrogen-free rodent diets containing icariin at 2 different dosages (50 and 500 ppm). BMSCs were harvested for experiments and RNA-sequencing analysis to examine the mechanism of action of icariin and its direct cellular target in stimulating osteogenesis. RESULTS The results revealed that icariin induced the expression of cell adhesion molecules (CAMs) and protected against microgravity-induced disruption of actin cytoskeleton and the loss of osteogenic activities in BMSCs through the activation of connexin-43 (Cx43) and Ras homolog family member A (RhoA) and Rac family small GTPase 1 (Rac1)-mediated signaling pathways. Computerized molecular docking techniques and the competitive solid-phase binding ELISA assay confirmed that icariin could be a direct ligand of integrin alpha 5 beta 1 (α5β1), and it could also increase the protein expression of integrin α5β1 for mechanosensing. CONCLUSION Our findings suggest that icariin could directly activate cell adhesion signaling by binding to integrin α5β1, which opens up new avenues for the development of integrin α5β1 ligand as an agent to protect against unloading-induced bone loss.
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Affiliation(s)
- Christina Chui-Wa Poon
- Department of Food Science and Nutrition, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong SAR, PR China.; Research Centre for Chinese Medicine Innovation, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong SAR, PR China
| | - Chun Au-Yeung
- Department of Food Science and Nutrition, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong SAR, PR China
| | - Ka-Ying Wong
- Department of Food Science and Nutrition, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong SAR, PR China
| | - Zoe Chan
- Department of Food Science and Nutrition, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong SAR, PR China
| | - Li-Ping Zhou
- School of Optometry, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong SAR, PR China
| | - Gang Li
- Department of Orthopaedics & Traumatology, The Chinese University of Hong Kong, Shatin, Hong Kong SAR, PR China
| | - Yan Wang
- Department of Orthopaedics & Traumatology, The Chinese University of Hong Kong, Shatin, Hong Kong SAR, PR China
| | - Yan Zhang
- Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, PR China
| | - Man-Sau Wong
- Department of Food Science and Nutrition, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong SAR, PR China.; Research Centre for Chinese Medicine Innovation, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong SAR, PR China.; State Key Laboratory of Chinese Medicine and Molecular Pharmacology (Incubation), The Hong Kong Polytechnic University Shenzhen Research Institute, Shenzhen, PR China..
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Wanionok NE, Colareda GA, Fernandez JM. In vitro effects and mechanisms of Humulus lupulus extract on bone marrow progenitor cells and endothelial cells. Mol Cell Endocrinol 2024; 592:112328. [PMID: 38996835 DOI: 10.1016/j.mce.2024.112328] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/16/2024] [Revised: 07/08/2024] [Accepted: 07/09/2024] [Indexed: 07/14/2024]
Abstract
Osteoporosis is the most common metabolic bone disorder and is associated with a high incidence of fractures. Angiogenesis and adequate blood flow are important during bone repair and maintenance. Estrogens play a key role in bone formation, in the prevention of bone resorption and vasculature maintenance. Hormone replacement therapy (HRT) has been used with great benefits for bone fracture prevention but has been linked to the development of serious important side effects, including cancer and stroke. Phytoestrogens are an attractive alternative to HRT because their chemical structure is similar to estradiol but, they could behave as selective modulators: acting as antagonists of estrogen receptors in the breast and endometrium and as agonists in the vascular endothelium and bone. Hops contain a wide variety of phytoestrogens that have individually been shown to possess estrogenic activity by either blocking or mimicking. In this study we have to evaluate the in vitro effects and mechanisms of action of hops extracts on the osteogenic and adipogenic capacity of bone marrow progenitor cells (BMPCs), and the angiogenic potential of EA.hy926 endothelial cells. We show that hops extracts increase the proliferative capacity of BMPCs and promote their osteogenic differentiation while decreasing their pro-osteoclastogenic capacity; and that these effects are mediated by the MAPK pathway. Additionally, hops extracts prevent the adipogenic differentiation of BMPCs and promote endothelial cell activity, by mechanisms also partially mediated by MAPK.
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Affiliation(s)
- Nahuel E Wanionok
- Laboratorio de Investigaciones en Osteopatias y Metabolismo Mineral (LIOMM), Facultad de Ciencias Exactas, Universidad Nacional de La Plata (UNLP)-Centro de Investigaciones Científicas (CIC), Calle 47 y 115, La Plata, (1900), Argentina
| | - Germán A Colareda
- Farmacología-GFEYEC, Departamento de Ciencias Biológicas, Facultad de Ciencias Exactas, Universidad Nacional de La Plata (UNLP), Calle 47 y 115, La Plata, (1900), Argentina
| | - Juan M Fernandez
- Laboratorio de Investigaciones en Osteopatias y Metabolismo Mineral (LIOMM), Facultad de Ciencias Exactas, Universidad Nacional de La Plata (UNLP)-Centro de Investigaciones Científicas (CIC), Calle 47 y 115, La Plata, (1900), Argentina.
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Yang S, Zhang X, Liao X, Ding Y, Gan J. Icariin regulates RANKL-induced osteoclast differentiation via the ER α/ c-Src/RANK signaling. Biomed Mater 2024; 19:025049. [PMID: 38415738 DOI: 10.1088/1748-605x/ad2554] [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] [Received: 06/21/2023] [Accepted: 02/02/2024] [Indexed: 02/29/2024]
Abstract
Osteoporosis (OP) is a common metabolic bone disease. Excessive osteoclastic activity significantly contributes to the development of OP. Icariin (ICA) is a flavonol glycoside derived from herbal plants and possesses curative effects on postmenopausal OP and bone fracture. This study aimed to investigate the effects of ICA on osteoclast differentiation induced by receptor activator of nuclear factor kappa B (RANK) ligand (RANKL) and the involvement of estrogen receptorα(ERα) and RANK signaling cascade in this process. RANKL was used to induce the differentiation of RAW264.7 cells to into osteoclasts. Small interfering RNA technique was used to knockdown ERαin cells. Cell counting kit-8 assay was performed to determine the cytotoxicity of ICA. The number of tartrate-resistant acid phosphatase (TRAP)-positive cells was quantified by TRAP staining. RANKL induced the differentiation of RAW264.7 cells into osteoclasts, while ICA abolished the pro-osteoporotic effect of RANKL. Moreover, ERαknockdown abolished the effects of ICA on RANKL-induced osteoclastogenesis. Further exploration revealed that ICA inhibited the phosphorylation ofc-Src in osteoclasts via regulating ERα, while inactivation ofc-Src reversed ERαknockdown-promoted osteoclastogenesis. Lastly, ICA inhibited the activation of the mitogen-activated protein kinase signaling pathway and downregulated the expressions of target osteoclastogenic proteins in RANKL-treated RAW 264.7 cells, while ERαknockdown almost completely diminished the effects of ICA. ICA inhibited RANKL-induced osteoclast differentiation via regulating the ERα/c-Src/RANK signaling. These findings elucidated a novel mechanism by which ICA exerts an anti-osteoporotic effect.
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Affiliation(s)
- Shaolin Yang
- Department of Pharmacy, Jiujiang University Affiliated Hospital, Jiujiang 332000, People's Republic of China
| | - Xiaocui Zhang
- Department of Otolaryngology-Head and Neck Surgery, Jiujiang University Affiliated Hospital, Jiujiang 332000, People's Republic of China
| | - Xiaofei Liao
- Department of Pharmacy, Ganzhou People's Hospital, Ganzhou 341000, People's Republic of China
| | - Yi Ding
- Department of Spine Surgery, Ganzhou People's Hospital, Ganzhou 341000, People's Republic of China
| | - Juwen Gan
- Department of Pulmonary and Critical Care Medicine, Ganzhou People's Hospital Ganzhou People's Hospital, Ganzhou 341000, People's Republic of China
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Yin Z, Gong G, Liu X, Yin J. Mechanism of regulating macrophages/osteoclasts in attenuating wear particle-induced aseptic osteolysis. Front Immunol 2023; 14:1274679. [PMID: 37860014 PMCID: PMC10582964 DOI: 10.3389/fimmu.2023.1274679] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Accepted: 09/22/2023] [Indexed: 10/21/2023] Open
Abstract
Joint replacement surgery is the most effective treatment for end-stage arthritis. Aseptic loosening caused by periprosthetic osteolysis is a common complication after joint replacement. Inflammation induced by wear particles derived from prosthetic biomaterials is a major cause of osteolysis. We emphasize that bone marrow-derived macrophages and their fusion-derived osteoclasts play a key role in this pathological process. Researchers have developed multiple intervention approaches to regulate macrophage/osteoclast activation. Aiming at wear particle-induced periprosthetic aseptic osteolysis, this review separately discusses the molecular mechanism of regulation of ROS formation and inflammatory response through intervention of macrophage/osteoclast RANKL-MAPKs-NF-κB pathway. These molecular mechanisms regulate osteoclast activation in different ways, but they are not isolated from each other. There is also a lot of crosstalk among the different mechanisms. In addition, other bone and joint diseases related to osteoclast activation are also briefly introduced. Therefore, we discuss these new findings in the context of existing work with a view to developing new strategies for wear particle-associated osteolysis based on the regulation of macrophages/osteoclasts.
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Affiliation(s)
- Zhaoyang Yin
- Department of Orthopedics, The Affiliated Lianyungang Hospital of Xuzhou Medical University (The First People’s Hospital of Lianyungang), Lianyungang, China
| | - Ge Gong
- Department of Geriatrics, Jinling Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China
| | - Xinhui Liu
- Department of Orthopedics, The Affiliated Jiangning Hospital with Nanjing Medical University, Nanjing, China
| | - Jian Yin
- Department of Orthopedics, The Affiliated Jiangning Hospital with Nanjing Medical University, Nanjing, China
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Wong KY, Kong TH, Poon CCW, Yu W, Zhou L, Wong MS. Icariin, a phytoestrogen, exerts rapid estrogenic actions through crosstalk of estrogen receptors in osteoblasts. Phytother Res 2023; 37:4706-4721. [PMID: 37421324 DOI: 10.1002/ptr.7939] [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: 04/24/2023] [Revised: 06/21/2023] [Accepted: 06/25/2023] [Indexed: 07/10/2023]
Abstract
Icariin, a flavonoid glycoside derived from Epimedium brevicornum Maxim, exerts bone protective effects via estrogen receptors (ERs). This study aimed to investigate the role of ER-α66, ER-α36, and GPER in bone metabolism in osteoblasts following treatment with icariin. Human osteoblastic MG-63 cells and osteoblast-specific ER-α66 knockout mice were employed. The ERs crosstalk in the estrogenic action of icariin was evaluated in ER-α66-negative human embryonic kidney HEK293 cells. Icariin, like E2, regulated ER-α36 and GPER protein expression in osteoblasts by downregulating them and upregulating ER-α66. ER-α36 and GPER suppressed the actions of icariin and E2 in bone metabolism. However, the in vivo administration of E2 (2 mg/kg/day) or icariin (300 mg/kg/day) restored bone conditions in KO osteoblasts. ER-α36 and GPER expression increased significantly and rapidly activated and translocated in KO osteoblasts after treatment with E2 or icariin. ER-α36 overexpression in KO osteoblasts further promoted the OPG/RANKL ratio induced by E2 or icariin treatment. This study showed icariin and E2 elicit rapid estrogenic responses in bone through recruiting ER-α66, ER-α36, and GPER. Notably, in osteoblasts lacking ER-α66, ER-α36, and GPER mediate the estrogenic effects of icariin and E2, while in intact osteoblasts, ER-α36 and GPER act as negative regulators of ER-α66.
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Affiliation(s)
- Ka-Ying Wong
- Department of Food Science and Nutrition, The Hong Kong Polytechnic University, Hong Kong SAR, People's Republic of China
| | - Tsz-Hung Kong
- Department of Food Science and Nutrition, The Hong Kong Polytechnic University, Hong Kong SAR, People's Republic of China
| | - Christina Chui-Wa Poon
- Department of Food Science and Nutrition, The Hong Kong Polytechnic University, Hong Kong SAR, People's Republic of China
- Research Centre for Chinese Medicine Innovation, The Hong Kong Polytechnic University, Hong Kong SAR, People's Republic of China
| | - Wenxuan Yu
- Department of Food Science and Nutrition, The Hong Kong Polytechnic University, Hong Kong SAR, People's Republic of China
| | - Liping Zhou
- Department of Food Science and Nutrition, The Hong Kong Polytechnic University, Hong Kong SAR, People's Republic of China
- Research Centre for Chinese Medicine Innovation, The Hong Kong Polytechnic University, Hong Kong SAR, People's Republic of China
- School of Optometry, The Hong Kong Polytechnic University, Hong Kong SAR, People's Republic of China
| | - Man-Sau Wong
- Department of Food Science and Nutrition, The Hong Kong Polytechnic University, Hong Kong SAR, People's Republic of China
- Research Centre for Chinese Medicine Innovation, The Hong Kong Polytechnic University, Hong Kong SAR, People's Republic of China
- State Key Laboratory of Chinese Medicine and Molecular Pharmacology (Incubation), The Hong Kong Polytechnic University Shenzhen Research Institute, Shenzhen, People's Republic of China
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Yu WX, Tang HH, Ye JJ, Xiao HH, Lam CY, Shum TF, Sun ZK, Li YZ, Zang XY, Du WC, Zhang JP, Kong TH, Zhou LP, Chiou JC, Kung CF, Mok KW, Hu J, Wong MS. Identification of the Microbial Transformation Products of Secoisolariciresinol Using an Untargeted Metabolomics Approach and Evaluation of the Osteogenic Activities of the Metabolites. Molecules 2023; 28:5742. [PMID: 37570714 PMCID: PMC10420892 DOI: 10.3390/molecules28155742] [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: 07/05/2023] [Revised: 07/24/2023] [Accepted: 07/26/2023] [Indexed: 08/13/2023] Open
Abstract
Secoisolariciresinol (SECO) is one of the major lignans occurring in various grains, seeds, fruits, and vegetables. The gut microbiota plays an important role in the biotransformation of dietary lignans into enterolignans, which might exhibit more potent bioactivities than the precursor lignans. This study aimed to identify, synthesize, and evaluate the microbial metabolites of SECO and to develop efficient lead compounds from the metabolites for the treatment of osteoporosis. SECO was fermented with human gut microbiota in anaerobic or micro-aerobic environments at different time points. Samples derived from microbial transformation were analyzed using an untargeted metabolomics approach for metabolite identification. Nine metabolites were identified and synthesized. Their effects on cell viability, osteoblastic differentiation, and gene expression were examined. The results showed that five of the microbial metabolites exerted potential osteogenic effects similar to those of SECO or better. The results suggested that the enterolignans might account for the osteoporotic effects of SECO in vivo. Thus, the presence of the gut microbiota could offer a good way to form diverse enterolignans with bone-protective effects. The current study improves our understanding of the microbial transformation products of SECO and provides new approaches for new candidate identification in the treatment of osteoporosis.
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Affiliation(s)
- Wen-Xuan Yu
- Department of Food Science and Nutrition, The Hong Kong Polytechnic University, Hung Hom, Hong Kong, China; (W.-X.Y.); (H.-H.T.); (H.-H.X.); (C.-Y.L.); (T.-F.S.); (T.-H.K.); (J.-C.C.); (M.-S.W.)
| | - Hok-Him Tang
- Department of Food Science and Nutrition, The Hong Kong Polytechnic University, Hung Hom, Hong Kong, China; (W.-X.Y.); (H.-H.T.); (H.-H.X.); (C.-Y.L.); (T.-F.S.); (T.-H.K.); (J.-C.C.); (M.-S.W.)
| | - Jun-Jie Ye
- Increasepharm (Tianjin) Innovative Medicine Institute Limited, Tianjin 300382, China; (J.-J.Y.); (Z.-K.S.); (Y.-Z.L.); (X.-Y.Z.); (W.-C.D.); (J.-P.Z.)
| | - Hui-Hui Xiao
- Department of Food Science and Nutrition, The Hong Kong Polytechnic University, Hung Hom, Hong Kong, China; (W.-X.Y.); (H.-H.T.); (H.-H.X.); (C.-Y.L.); (T.-F.S.); (T.-H.K.); (J.-C.C.); (M.-S.W.)
- State Key Laboratory of Chinese Medicine and Molecular Pharmacology (Incubation), Shenzhen Research Institute of the Hong Kong Polytechnic University, Shenzhen 518057, China
- Research Centre for Chinese Medicine Innovation, The Hong Kong Polytechnic University, Hung Hom, Hong Kong, China;
| | - Chung-Yan Lam
- Department of Food Science and Nutrition, The Hong Kong Polytechnic University, Hung Hom, Hong Kong, China; (W.-X.Y.); (H.-H.T.); (H.-H.X.); (C.-Y.L.); (T.-F.S.); (T.-H.K.); (J.-C.C.); (M.-S.W.)
| | - Tim-Fat Shum
- Department of Food Science and Nutrition, The Hong Kong Polytechnic University, Hung Hom, Hong Kong, China; (W.-X.Y.); (H.-H.T.); (H.-H.X.); (C.-Y.L.); (T.-F.S.); (T.-H.K.); (J.-C.C.); (M.-S.W.)
| | - Zhi-Kang Sun
- Increasepharm (Tianjin) Innovative Medicine Institute Limited, Tianjin 300382, China; (J.-J.Y.); (Z.-K.S.); (Y.-Z.L.); (X.-Y.Z.); (W.-C.D.); (J.-P.Z.)
| | - Yuan-Zhen Li
- Increasepharm (Tianjin) Innovative Medicine Institute Limited, Tianjin 300382, China; (J.-J.Y.); (Z.-K.S.); (Y.-Z.L.); (X.-Y.Z.); (W.-C.D.); (J.-P.Z.)
| | - Xin-Yu Zang
- Increasepharm (Tianjin) Innovative Medicine Institute Limited, Tianjin 300382, China; (J.-J.Y.); (Z.-K.S.); (Y.-Z.L.); (X.-Y.Z.); (W.-C.D.); (J.-P.Z.)
| | - Wen-Chao Du
- Increasepharm (Tianjin) Innovative Medicine Institute Limited, Tianjin 300382, China; (J.-J.Y.); (Z.-K.S.); (Y.-Z.L.); (X.-Y.Z.); (W.-C.D.); (J.-P.Z.)
| | - Jian-Ping Zhang
- Increasepharm (Tianjin) Innovative Medicine Institute Limited, Tianjin 300382, China; (J.-J.Y.); (Z.-K.S.); (Y.-Z.L.); (X.-Y.Z.); (W.-C.D.); (J.-P.Z.)
| | - Tsz-Hung Kong
- Department of Food Science and Nutrition, The Hong Kong Polytechnic University, Hung Hom, Hong Kong, China; (W.-X.Y.); (H.-H.T.); (H.-H.X.); (C.-Y.L.); (T.-F.S.); (T.-H.K.); (J.-C.C.); (M.-S.W.)
| | - Li-Ping Zhou
- Research Centre for Chinese Medicine Innovation, The Hong Kong Polytechnic University, Hung Hom, Hong Kong, China;
| | - Jia-Chi Chiou
- Department of Food Science and Nutrition, The Hong Kong Polytechnic University, Hung Hom, Hong Kong, China; (W.-X.Y.); (H.-H.T.); (H.-H.X.); (C.-Y.L.); (T.-F.S.); (T.-H.K.); (J.-C.C.); (M.-S.W.)
- Research Institute for Future Food, The Hong Kong Polytechnic University, Hung Hom, Hong Kong, China
| | - Chun-Fai Kung
- Increasepharm (HK) Limited, Hong Kong Science Park, Shatin, Hong Kong, China;
| | - Kam-Wah Mok
- Department of Food Science and Nutrition, The Hong Kong Polytechnic University, Hung Hom, Hong Kong, China; (W.-X.Y.); (H.-H.T.); (H.-H.X.); (C.-Y.L.); (T.-F.S.); (T.-H.K.); (J.-C.C.); (M.-S.W.)
- State Key Laboratory of Chinese Medicine and Molecular Pharmacology (Incubation), Shenzhen Research Institute of the Hong Kong Polytechnic University, Shenzhen 518057, China
- Research Centre for Chinese Medicine Innovation, The Hong Kong Polytechnic University, Hung Hom, Hong Kong, China;
| | - Jing Hu
- Increasepharm (Tianjin) Innovative Medicine Institute Limited, Tianjin 300382, China; (J.-J.Y.); (Z.-K.S.); (Y.-Z.L.); (X.-Y.Z.); (W.-C.D.); (J.-P.Z.)
| | - Man-Sau Wong
- Department of Food Science and Nutrition, The Hong Kong Polytechnic University, Hung Hom, Hong Kong, China; (W.-X.Y.); (H.-H.T.); (H.-H.X.); (C.-Y.L.); (T.-F.S.); (T.-H.K.); (J.-C.C.); (M.-S.W.)
- State Key Laboratory of Chinese Medicine and Molecular Pharmacology (Incubation), Shenzhen Research Institute of the Hong Kong Polytechnic University, Shenzhen 518057, China
- Research Centre for Chinese Medicine Innovation, The Hong Kong Polytechnic University, Hung Hom, Hong Kong, China;
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Zhang D, Su Y, He Q, Zhang Y, Gu N, Zhang X, Yan K, Yao N, Qian W. Icariin Exerts Estrogen-Like Actions on Proliferation of Osteoblasts in Vitro via Membrane Estrogen Receptors-Mediated Non-nuclear Effects. IRANIAN JOURNAL OF PHARMACEUTICAL RESEARCH : IJPR 2022; 21:e127000. [PMID: 36942079 PMCID: PMC10024316 DOI: 10.5812/ijpr-127000] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/16/2022] [Revised: 07/25/2022] [Accepted: 07/26/2022] [Indexed: 11/16/2022]
Abstract
Background According to reports, icariin (ICA) is a bone anabolic agent able to prevent osteoporosis in both ovariectomized rats and postmenopausal women. However, its effect on osteoblast proliferation remains to be determined, and the underlying mechanism remains to be elucidated. Methods Icariin-bovine serum albumin (BSA) conjugates were purified by Sephadex G-25 gel chromatography technology. Primary osteoblasts from neonatal rats were used to evaluate the effects of ICA, ICA-BSA, ICA-BSA + ICI182780, and ICA-BSA + PD98059. 3-(4,5-dimethyl-thiazol-2-yl)-2,5-diphenyl tetrazolium bromide (MTT) and propidium iodide (PI)-staining assays were used to detect the proliferation of osteoblasts after drug exposure. The intracellular calcium ions were detected using a confocal microscope with Fluo-3/AM as the fluorescent indicator. Western blot was capitalized on to measure the relative content of phospho-extracellular signal-regulated kinase (p-ERK). Results Primary osteoblasts in culture were detected by histochemical staining of alkaline phosphatase, and calcified nodules were obtained by sequential digestion. Icariin and bovine serum albumin could form conjugate, which could be purified by Sephadex G-25 gel chromatography technology. MTT and flow cytometry results show that ICA-BSA conjugate significantly facilitated the proliferation of osteoblasts (P < 0.05). The intracellular calcium ions also ascended vastly in the cells treated with ICA-BSA conjugate (P < 0.01). Icariin-bovine serum albumin exposure rapidly activated the extracellular signal-regulated kinase (ERK) signaling. Furthermore, ICA- and ICA-BSA-mediated actions on osteoblasts were signally alleviated after dealing with ERK inhibitor PD98059 or estrogen receptor (ER) antagonist ICI182780, which might have a relation to the repression of ERK phosphorylation. Conclusions Icariin could serve as estrogen in osteoblast cells by the rapid nongenomic ER signaling pathway independent of ligand and estrogen response element (ERE) and mediated by mitogen-activated protein kinase (MAPK).
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Affiliation(s)
- Dapeng Zhang
- Department of Orthopedics, Nanjing Hospital of Chinese Medicine Affiliated to Nanjing University of Chinese Medicine, Nanjing, 210022, Jiangsu, P.R. China
- Nanjing University of Chinese Medicine, Nanjing, 210023, Jiangsu, P.R. China
| | - Yan Su
- Reproductive Center, Obstetrics and Gynecology Hospital Affiliated to Nanjing Medical University, Nanjing, 210029, Jiangsu, P.R. China
| | - Qiang He
- Department of Orthopedics, Nanjing Hospital of Chinese Medicine Affiliated to Nanjing University of Chinese Medicine, Nanjing, 210022, Jiangsu, P.R. China
- Nanjing University of Chinese Medicine, Nanjing, 210023, Jiangsu, P.R. China
| | - Yajie Zhang
- Central Laboratory, Nanjing Hospital of Chinese Medicine Affiliated to Nanjing University of Chinese Medicine, Nanjing, 210022, Jiangsu, P.R. China
| | - Ning Gu
- Department of Cardiovascular Medicine, Nanjing Hospital of Chinese Medicine Affiliated to Nanjing University of Chinese Medicine, Nanjing, 210022, Jiangsu, P.R. China
| | - Xu Zhang
- School of Medicine and Life Sciences, Nanjing University of Chinese Medicine, Nanjing, 210023, Jiangsu, P.R. China
| | - Kun Yan
- Department of Orthopedics, Nanjing Hospital of Chinese Medicine Affiliated to Nanjing University of Chinese Medicine, Nanjing, 210022, Jiangsu, P.R. China
- Nanjing University of Chinese Medicine, Nanjing, 210023, Jiangsu, P.R. China
| | - Nianwei Yao
- Department of Orthopedics, Nanjing Hospital of Chinese Medicine Affiliated to Nanjing University of Chinese Medicine, Nanjing, 210022, Jiangsu, P.R. China
| | - Weiqing Qian
- Department of Orthopedics, Nanjing Hospital of Chinese Medicine Affiliated to Nanjing University of Chinese Medicine, Nanjing, 210022, Jiangsu, P.R. China
- Corresponding Author: Department of Orthopedics, Nanjing Hospital of Chinese Medicine Affiliated to Nanjing University of Chinese Medicine, Nanjing, 210022, Jiangsu, P.R. China.
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Neuroprotective Mechanism of Icariin on Hypoxic Ischemic Brain Damage in Neonatal Mice. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:1330928. [DOI: 10.1155/2022/1330928] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Revised: 10/07/2022] [Accepted: 10/27/2022] [Indexed: 11/16/2022]
Abstract
Objective. Our previous results showed that icariin (ICA) could inhibit apoptosis and provide neuroprotection against hypoxic-ischemic brain damage (HIBD) in neonatal mice, but the specific mechanism of its neuroprotective effect remains unknown. This study aims at exploring whether ICA plays a neuroprotective role in apoptosis inhibition by regulating autophagy through the estrogen receptor α (ERα)/estrogen receptor β (ERβ) pathway in neonatal mice with HIBD. Methods. A neonatal mouse model of HIBD was constructed in vivo, and an oxygen and glucose deprivation (OGD) model in HT22 cells from the hippocampal neuronal system was constructed in vitro. The effects of ICA pretreatment on autophagy and the expression of ERα and ERβ were detected in vitro and in vivo, respectively. ICA pretreatment was also supplemented with the autophagy inhibitor 3-methyladenine (3-MA), ERα inhibitor methylpiperidino pyrazole (MPP), and ERβ inhibitor 4-(2-phenyl-5,7-bis (trifluoromethyl) pyrazolo [1,5-a] pyramidin-3-yl) phenol (PHTPP) to further detect whether ICA pretreatment can activate the ERα/ERβ pathway to promote autophagy and reduce HIBD-induced apoptosis to play a neuroprotective role against HIBD in neonatal mice. Results. ICA pretreatment significantly promoted autophagy in HIBD mice. Treatment with 3-MA significantly inhibited the increase in autophagy induced by ICA pretreatment, reversed the neuroprotective effect of ICA pretreatment, and promoted apoptosis. Moreover, ICA pretreatment significantly increased the expression levels of the ERα and ERβ proteins in HIBD newborn mice. Both MPP and PHTPP administration significantly inhibited the expression levels of the ERα and ERβ proteins activated by ICA pretreatment, reversed the neuroprotective effects of ICA pretreatment, inhibited the increase in autophagy induced by ICA pretreatment, and promoted apoptosis. Conclusion. ICA pretreatment may promote autophagy by activating the ERα and ERβ pathways, thus reducing the apoptosis induced by HIBD and exerting a neuroprotective effect on neonatal mice with HIBD.
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Li Y, Li L, Li X, Luo B, Ye Q, Wang H, Yang L, Zhu X, Han L, Zhang R, Tian H, Wang P. A mechanistic review of chinese medicine polyphenols on bone formation and resorption. Front Pharmacol 2022; 13:1017538. [PMID: 36313339 PMCID: PMC9597080 DOI: 10.3389/fphar.2022.1017538] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Accepted: 10/03/2022] [Indexed: 11/17/2022] Open
Abstract
Bone reconstruction includes a steady state system of bone formation and bone absorption. This tight coupling requires subtle coordination between osteoblasts and osteoclasts. If this balance is broken, it will lead to bone mass loss, bone density reduction, and bone metabolic diseases, such as osteoporosis. Polyphenols in Chinese herbal medicines are active ingredients in plant extracts with high safety and few side effects, and they can play a role in affecting bone formation and bone resorption. Some of these have estrogen-like effects and can better target bone health in postmenopausal women. The purpose of this review is to provide comprehensive information on the mechanisms underlying the relationship between traditional Chinese medicine polyphenols and bone formation or bone resorption.
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Affiliation(s)
- Yan Li
- College of Traditional Chinese Medicine, Jinan University, Guangzhou, China
| | - Lingyu Li
- Cancer Research Institute, Jinan University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Traditional Chinese Medicine Informatization, Jinan University, Guangzhou, China
- College of Pharmacy, Jinan University, Guangzhou, China
| | - Xiaoyun Li
- College of Pharmacy, Jinan University, Guangzhou, China
| | - Bingjie Luo
- College of Pharmacy, Jinan University, Guangzhou, China
| | - Qianyun Ye
- College of Traditional Chinese Medicine, Jinan University, Guangzhou, China
| | - Haoyu Wang
- College of Traditional Chinese Medicine, Jinan University, Guangzhou, China
| | - Li Yang
- Guangdong Provincial Key Laboratory of Traditional Chinese Medicine Informatization, Jinan University, Guangzhou, China
- College of Pharmacy, Jinan University, Guangzhou, China
| | - Xiaofeng Zhu
- College of Traditional Chinese Medicine, Jinan University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Traditional Chinese Medicine Informatization, Jinan University, Guangzhou, China
| | - Li Han
- Guangdong Provincial Key Laboratory of Traditional Chinese Medicine Informatization, Jinan University, Guangzhou, China
- First Affiliated Hospital of Jinan University, Guangzhou, China
| | - Ronghua Zhang
- Cancer Research Institute, Jinan University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Traditional Chinese Medicine Informatization, Jinan University, Guangzhou, China
- College of Pharmacy, Jinan University, Guangzhou, China
- *Correspondence: Ronghua Zhang, ; Huaqin Tian, ; Panpan Wang,
| | - Huaqin Tian
- Foshan Hospital of Traditional Chinese Medicine, Foshan, China
- *Correspondence: Ronghua Zhang, ; Huaqin Tian, ; Panpan Wang,
| | - Panpan Wang
- Cancer Research Institute, Jinan University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Traditional Chinese Medicine Informatization, Jinan University, Guangzhou, China
- First Affiliated Hospital of Jinan University, Guangzhou, China
- *Correspondence: Ronghua Zhang, ; Huaqin Tian, ; Panpan Wang,
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Lezcano V, Morelli S, González-Pardo V. Molecular and cellular outcomes of quercetin actions on healthy and tumor osteoblasts. Biochimie 2022; 199:46-59. [PMID: 35447220 DOI: 10.1016/j.biochi.2022.04.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Revised: 02/11/2022] [Accepted: 04/11/2022] [Indexed: 11/26/2022]
Abstract
There is a global trend in the use of natural bioactive compounds to complement conventional therapies in bone diseases. In this work, we studied the effects of the phytoestrogen quercetin (QUE) in healthy and tumor osteoblasts. We found that QUE (1 μM, 48 h) significantly increased the cell number and the viability of healthy human osteoblasts (hFOB cells) determined by a trypan blue and a MTS assay, respectively, among other concentrations tested. In addition, wound healing and cellular adhesion assays also demonstrated that 1 μM of QUE significantly stimulated both parameters in osteoblasts. Moreover, osteoblast differentiation was also triggered by QUE in an osteogenic medium by measuring alkaline phosphatase activity, calcium deposition, and collagen levels. Herein, a concentration of 0.01 μM of QUE showed an increment in these differentiation markers and an activation of AKT/GSK3β/β-catenin pathway, determined by a Western blot analysis. In addition, immunocytochemistry and subcellular fraction studies indicated an increase of β-catenin localization in the plasma membrane after QUE treatment. Otherwise, QUE (20-100 μM) decreased the cell number and the viability in tumor osteoblasts (ROS 17/2.8 cells) after 48 h. Furthermore, QUE (100 μM) decreased AKT(Ser473) and the pro-apoptotic protein BAD(Ser136) phosphorylation. In addition, the ERK1/2 phosphorylation increased leading to osteosarcoma cell death since pre-treatment with the MEK inhibitor PD98059 had reverted QUE effect. Altogether, these results indicate that to stimulate the osteoblastogenesis low concentrations of QUE are required; however, these concentrations are not effective in inhibiting the growth of tumor osteoblasts, for which higher concentrations are required.
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Affiliation(s)
- Virginia Lezcano
- Departamento de Biología, Bioquímica y Farmacia, Universidad Nacional del Sur (UNS), 8000, Bahía Blanca, Buenos Aires, Argentina; Instituto de Ciencias Biológicas y Biomédicas del Sur (INBIOSUR), Argentina, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), 8000, Bahía Blanca, Buenos Aires, Argentina.
| | - Susana Morelli
- Departamento de Biología, Bioquímica y Farmacia, Universidad Nacional del Sur (UNS), 8000, Bahía Blanca, Buenos Aires, Argentina; Instituto de Ciencias Biológicas y Biomédicas del Sur (INBIOSUR), Argentina, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), 8000, Bahía Blanca, Buenos Aires, Argentina
| | - Verónica González-Pardo
- Departamento de Biología, Bioquímica y Farmacia, Universidad Nacional del Sur (UNS), 8000, Bahía Blanca, Buenos Aires, Argentina; Instituto de Ciencias Biológicas y Biomédicas del Sur (INBIOSUR), Argentina, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), 8000, Bahía Blanca, Buenos Aires, Argentina
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Guangtao F, Zhenkang W, Zhantao D, Mengyuan L, Qingtian L, Yuanchen M, Yuanfeng C, Qiujian Z. Icariin Alleviates Wear Particle-Induced Periprosthetic Osteolysis via Down-Regulation of the Estrogen Receptor α-mediated NF-κB Signaling Pathway in Macrophages. Front Pharmacol 2021; 12:746391. [PMID: 34803690 PMCID: PMC8595199 DOI: 10.3389/fphar.2021.746391] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Accepted: 10/06/2021] [Indexed: 12/30/2022] Open
Abstract
Periprosthetic osteolysis is one of the major long-term complications following total joint replacement. Its cause is widely accepted to be wear particle-induced activation of inflammatory macrophages. No effective strategy for the prevention and treatment of periprosthetic osteolysis is yet available. Recently, considerable evidence has shown that icariin effectively protects against estrogen deficiency-related bone loss and bone deterioration. However, the molecular mechanism underlying the inhibitory effect of icariin on wear particle-induced periprosthetic osteolysis is not yet clear. In this study, nanoscale CoCrMo wear particles were obtained by high-vacuum three-electrode direct current from the femoral head implant of a patient diagnosed with aseptic loosening. The effects of icariin on wear particle-induced expression of proinflammatory factors, NF-κB signaling modulation, osteolysis, and estrogen receptor α (ERα) activation were evaluated in vitro and in vivo using bone marrow-derived macrophages and C57/BL6J mice, respectively. A possible link between ERα and the protective effect of icariin was further studied using an ERα antagonist and the ERα-siRNA interference. Chemical composition analysis showed that Cr and Co were the major metallic elements of the nanoscale particles, with a mean size of 150.2 ± 37.4 nm for the CoCrMo particles. Following icariin treatment, significant decreases were observed in CoCrMo wear particle-induced TNF-α and IL-6 mRNA expression in BMDMs, and osteolysis in mice calvaria. Marked decreases in the protein expression level of p-IKKβ, p-p65 and p-IκBα were also observed, together with significant decreases in the nuclear import of P65 and macrophage M1 polarization. RNA sequencing revealed that ERα was closely associated with TNF-α and IL-6 in wear particle-stimulated macrophages. Furthermore, marked increases in phospho-ERα Ser118 and phospho-ERα Ser167 protein expression and the nuclear import of ERα were also found in the icariin group. The protective effects of icariin on CoCrMo particle-induced mouse calvarial osteolysis and on the inflammation response in BMDMs were reversed by ERα antagonist and by ERα-siRNA interference. In conclusion, icariin attenuates wear particle-induced inflammation and osteolysis via down-regulation of the ERα-mediated NF-κB signaling pathway in macrophages. The potential application of icariin as a non-hormonal therapy for wear particle-induced periprosthetic osteolysis is worthy of further investigation.
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Affiliation(s)
- Fu Guangtao
- Department of Orthopedics, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Wen Zhenkang
- Department of Orthopedics, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - Deng Zhantao
- Department of Orthopedics, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Li Mengyuan
- Department of Orthopedics, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Li Qingtian
- Department of Orthopedics, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Ma Yuanchen
- Department of Orthopedics, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Chen Yuanfeng
- Department of Orthopedics, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China.,Research Department of Medical Science, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Zheng Qiujian
- Department of Orthopedics, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
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Park KR, Park JE, Kim B, Kwon IK, Hong JT, Yun HM. Calycosin-7-O-β-Glucoside Isolated from Astragalus membranaceus Promotes Osteogenesis and Mineralization in Human Mesenchymal Stem Cells. Int J Mol Sci 2021; 22:ijms222111362. [PMID: 34768792 PMCID: PMC8583672 DOI: 10.3390/ijms222111362] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2021] [Revised: 10/15/2021] [Accepted: 10/19/2021] [Indexed: 12/21/2022] Open
Abstract
Stem cells have received attention in various diseases, such as inflammatory, cancer, and bone diseases. Mesenchymal stem cells (MSCs) are multipotent stem cells that are critical for forming and repairing bone tissues. Herein, we isolated calycosin-7-O-β-glucoside (Caly) from the roots of Astragalus membranaceus, which is one of the most famous medicinal herbs, and investigated the osteogenic activities of Caly in MSCs. Caly did not affect cytotoxicity against MSCs, whereas Caly enhanced cell migration during the osteogenesis of MSCs. Caly increased the expression and enzymatic activities of ALP and the formation of mineralized nodules during the osteogenesis of MSCs. The osteogenesis and bone-forming activities of Caly are mediated by bone morphogenetic protein 2 (BMP2), phospho-Smad1/5/8, Wnt3a, phospho-GSK3β, and phospho-AKT, inducing the expression of runt-related transcription factor 2 (RUNX2). In addition, Caly-mediated osteogenesis and RUNX2 expression were attenuated by noggin and wortmannin. Moreover, the effects were validated in pre-osteoblasts committed to the osteoblast lineages from MSCs. Overall, our results provide novel evidence that Caly stimulates osteoblast lineage commitment of MSCs by triggering RUNX2 expression, suggesting Caly as a potential anabolic drug to prevent bone diseases.
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Affiliation(s)
- Kyung-Ran Park
- Department of Oral and Maxillofacial Pathology, School of Dentistry, Kyung Hee University, Seoul 02447, Korea;
- Medical Device Research Center, Medical Science Research Institute, Kyung Hee University Medical Center, Seoul 02447, Korea;
| | - Ji Eun Park
- National Institute for Korean Medicine Development, Gyeongsan 38540, Korea; (J.E.P.); (B.K.)
| | - Bomi Kim
- National Institute for Korean Medicine Development, Gyeongsan 38540, Korea; (J.E.P.); (B.K.)
| | - Il Keun Kwon
- Medical Device Research Center, Medical Science Research Institute, Kyung Hee University Medical Center, Seoul 02447, Korea;
- Department of Dental Materials, School of Dentistry, Kyung Hee University, Seoul 02447, Korea
| | - Jin Tae Hong
- College of Pharmacy and Medical Research Center, Chungbuk National University, Cheongju-si 28160, Korea
- Correspondence: (J.T.H.); (H.-M.Y.); Tel.: +82-02-961-0691 (H.-M.Y.); Fax: +82-02-960-1457 (H.-M.Y.)
| | - Hyung-Mun Yun
- Department of Oral and Maxillofacial Pathology, School of Dentistry, Kyung Hee University, Seoul 02447, Korea;
- Correspondence: (J.T.H.); (H.-M.Y.); Tel.: +82-02-961-0691 (H.-M.Y.); Fax: +82-02-960-1457 (H.-M.Y.)
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Wong KY, Zhou L, Yu W, Poon CCW, Xiao H, Chan CO, Mok DKW, Wong MS. Water extract of Er-xian decoction selectively exerts estrogenic activities and interacts with SERMs in estrogen-sensitive tissues. JOURNAL OF ETHNOPHARMACOLOGY 2021; 275:114096. [PMID: 33823166 DOI: 10.1016/j.jep.2021.114096] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/02/2021] [Revised: 03/23/2021] [Accepted: 03/30/2021] [Indexed: 06/12/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE The increasing use of "kidney"-nourishing Traditional Chinese Medicine (TCM) like Er-xian decoction (EXD) for management of menopausal symptoms and osteoporosis has aroused concerns about their safety, and whether they interact with prescription drugs as both of them act via estrogen receptors (ERs) and regulate serum estradiol. AIM OF THE STUDY The present study aimed to evaluate whether EXD selectively exerted estrogenic activities and interacted with Selective Estrogen Receptor Modulators (SERMs). MATERIALS AND METHODS In vivo, mature ovariectomized (OVX) rats were administrated with EXD or combined treatment of EXD and SERMs for 12 weeks. The tissue-selective effect of EXD and its interaction of SERMs were studied in four estrogen sensitive tissues, bone, brain, breast and uterus. In vitro, the interaction of extracts of EXD-treated serum and SERMs in four ER-positive cell lines. RESULTS In OVX rats, EXD selectively alleviated estrogen deficiency-induced changes in the bone and brain without inducing any estrogenic effects in the breast or uterus. Two-way ANOVA indicated the presence of interactions between EXD and SERMs in OVX rats but EXD did not significantly alter the tissue responses to SERMs in the bone, breast or brain. Indeed, the combined use of EXD and SERMs appeared to suppress the estrogenic effect of raloxifene and tamoxifen in the uterus. Extract of EXD-treated serum directly stimulated cell proliferation or differentiation in human osteosarcoma MG-63, neuroblastoma SHSY5Y, breast cancer MCF-7, and endometrial Ishikawa cells. Two-way ANOVA revealed that EXD-treated serum interacted with SERMs at various concentrations and altered the effects of tamoxifen in MG-63 and MCF-7 cells. CONCLUSIONS EXD exerted estrogenic effects in a tissue-selective manner and interacted with SERMs. Combined treatment of EXD and SERMs did not hamper the beneficial effects of SERMs on the bone or brain but appeared to moderate the estrogenic effect of SERMs in the uterus.
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Affiliation(s)
- Ka-Ying Wong
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong SAR, PR China
| | - Liping Zhou
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong SAR, PR China; Cell Therapy Center, Xuanwu Hospital Capital Medical University, Beijing, PR China
| | - Wenxuan Yu
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong SAR, PR China
| | - Christina Chui-Wa Poon
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong SAR, PR China
| | - Huihui Xiao
- State Key Laboratory of Chinese Medicine and Molecular Pharmacology (Incubation), The Hong Kong Polytechnic University Shenzhen Research Institute, Shenzhen, 518057, PR China
| | - Chi-On Chan
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong SAR, PR China; State Key Laboratory of Chinese Medicine and Molecular Pharmacology (Incubation), The Hong Kong Polytechnic University Shenzhen Research Institute, Shenzhen, 518057, PR China
| | - Daniel Kam-Wah Mok
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong SAR, PR China; State Key Laboratory of Chinese Medicine and Molecular Pharmacology (Incubation), The Hong Kong Polytechnic University Shenzhen Research Institute, Shenzhen, 518057, PR China
| | - Man-Sau Wong
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong SAR, PR China; State Key Laboratory of Chinese Medicine and Molecular Pharmacology (Incubation), The Hong Kong Polytechnic University Shenzhen Research Institute, Shenzhen, 518057, PR China.
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Słupski W, Jawień P, Nowak B. Botanicals in Postmenopausal Osteoporosis. Nutrients 2021; 13:nu13051609. [PMID: 34064936 PMCID: PMC8151026 DOI: 10.3390/nu13051609] [Citation(s) in RCA: 44] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2021] [Revised: 05/06/2021] [Accepted: 05/10/2021] [Indexed: 12/11/2022] Open
Abstract
Osteoporosis is a systemic bone disease characterized by reduced bone mass and the deterioration of bone microarchitecture leading to bone fragility and an increased risk of fractures. Conventional anti-osteoporotic pharmaceutics are effective in the treatment and prophylaxis of osteoporosis, however they are associated with various side effects that push many women into seeking botanicals as an alternative therapy. Traditional folk medicine is a rich source of bioactive compounds waiting for discovery and investigation that might be used in those patients, and therefore botanicals have recently received increasing attention. The aim of this review of literature is to present the comprehensive information about plant-derived compounds that might be used to maintain bone health in perimenopausal and postmenopausal females.
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Sun JB, Wang Z, An WJ. Protection of Icariin Against Hydrogen Peroxide-Induced MC3T3-E1 Cell Oxidative Damage. Orthop Surg 2021; 13:632-640. [PMID: 33619876 PMCID: PMC7957425 DOI: 10.1111/os.12891] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/07/2020] [Revised: 10/30/2020] [Accepted: 11/16/2020] [Indexed: 01/04/2023] Open
Abstract
Objective The aim of the present study was to evaluate the potential protective mechanism of icariin against oxidative damage caused by hydrogen peroxide in MC3T3‐E1 cells. Methods MC3T3‐E1 cells were treated with different concentrations of icariin to explore the optimal dose of icariin. MC3T3‐E1 cells were divided into groups treated with various concentrations of hydrogen peroxide (H2O2; 0, 0.1, 0.2, 0.5, 1, and 2 mM) for 24 h to induce oxidative damage and cell viability was assessed by Cell Counting Kit‐8 (CCK‐8) assay. Then, cells were divided into five groups: control, H2O2 (0.2 mM), icariin (0.1 μM) and H2O2 (0.2 mM), + icariin (0.1 μM). Cell viability was detected by CCK‐8 assay. In addition, the content of glutathione and superoxide dismutase and the activity level of malondialdehyde in these treatment groups were determined. Alkaline phosphatase (ALP) and alizarin red S (ARS) staining were also performed to measure the early and late osteogenesis, respectively. Protein expression of β‐catenin and cyclin D1 was measured by western blot assay. Then, we used an antagonist of Wnt/β‐catenin signaling pathway (DKK‐1) and western blot analysis to further explore potential mechanism. Results After 24 h of exposure to 0.2 mM H2O2, the viability of MC3T3‐E1 cells was significantly decreased compared to that of the control cells. We first found that icariin can promote cell proliferation of MC3T3‐E1 cells in a dose‐dependent manner, with the dosage 0.1 μM showing the best pro‐proliferative effect. Furthermore, icariin could promote the protein expression of OSX and RUNX2. The results showed that icariin can reverse the inhibitory osteogenic effects of MC3T3‐E1 caused by H2O2. In addition, icariin could increase the Wnt‐signaling related proteins. The results showed that MC3T3‐E1 cells in the H2O2 (0.2 mM) + icariin (0.1 μM) + Wnt‐signaling antagonist (DKK‐1) group had weaker ALP and ARS staining compared with that observed in the control and H2O2 (0.2 mM) + icariin (0.1 μM) groups. The ALP activity and calcium content were decreased in the 0.2 mM H2O2 + 0.1 μM icariin + DKK‐1 group compared to that observed in the 0.2 mM H2O2 + 0.1 μM icariin group. Conclusion The results showed that icariin can increase the viability of MC3T3‐E1 cells, reverse the oxidative stress induced by H2O2 and protect MC3T3‐E1 cells against H2O2‐induced inhibition of osteogenic differentiation, which may occur through the Wnt/β‐catenin signaling pathway.
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Affiliation(s)
- Jian-Bin Sun
- Department of Trauma Orthopaedics, The General Hospital of Ningxia Medical University, Yinchuan, China
| | - Zheng Wang
- Department of Trauma Orthopaedics, The General Hospital of Ningxia Medical University, Yinchuan, China
| | - Wei-Jun An
- Department of Trauma Orthopaedics, The General Hospital of Ningxia Medical University, Yinchuan, China
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Zhou L, Poon CCW, Wong KY, Cao S, Dong X, Zhang Y, Wong MS. Icariin ameliorates estrogen-deficiency induced bone loss by enhancing IGF-I signaling via its crosstalk with non-genomic ERα signaling. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2021; 82:153413. [PMID: 33339654 DOI: 10.1016/j.phymed.2020.153413] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2020] [Revised: 10/20/2020] [Accepted: 11/09/2020] [Indexed: 06/12/2023]
Abstract
BACKGROUND Rapid, non-genomic estrogen receptor (ER) signaling plays an integral role in mediating the tissue selective properties of ER modulators. Icariin, a bone bioactive flavonoid, has been reported to selectively activate non-genomic ERα signaling in in vitro and in vivo studies. PURPOSE The mechanisms underlying the estrogen-like bone protective effects of icariin are not fully understood, especially those that are related to insulin-like growth factor I (IGF-1) signaling. The bone protective effects of icariin were investigated in female mature ovariectomized (OVX) rats and the signaling of IGF-IR- ERα cross-talk was determined in osteoblastic cells. STUDY DESIGN AND METHODS Icariin at 3 different dosages (50, 500 and 3000 ppm) were orally administrated to rats for 3 months through daily intake of phytoestrogen-free animal diets containing icariin. Bone marrow stromal cells (BMSCs) and osteoclast precursors from femurs were harvested for experiments and RNA-sequencing. The interactions between IGF-IR and non-genomic ERα signaling were examined in pre-osteoblastic MC3T3-E1 cells and mature osteoblasts differentiated from BMSCs. RESULTS Our results show that chronic administration of icariin to OVX rats significantly protected them against bone loss at the long bone and lumbar spine without inducing any uterotrophic effects. Ex vivo studies using BMSCs and osteoclast precursors confirmed the stimulatory effects of icariin on osteoblastogenesis and its inhibitory effects on osteoclastogenesis, respectively. RNA-sequencing analysis of mRNA from BMSCs revealed that icariin at 500 ppm significantly altered IGF-1 signaling as well as PI3K-Akt pathways. Our results demonstrated for the first time the rapid induction of interactions between IGF-IR and ERα as well as IGF-IR signaling and the downstream Akt phosphorylation by icariin in MC3T3-E1 cells. The activation of ERα and Akt phosphorylation by icariin in MC3T3-E1 cells and the osteogenic effects of icariin on ALP activity in mature osteoblasts were shown to be IGF-IR-dependent. CONCLUSION Our findings reveal that icariin activates both ERα and Akt via enhancing rapid induction of IGF-1 signaling in osteoblastic cells for osteogenesis and might be regarded as a novel pathway-selective phytoestrogen for management of postmenopausal osteoporosis.
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Affiliation(s)
- Liping Zhou
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong SAR
| | - Christina Chui-Wa Poon
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong SAR
| | - Ka-Ying Wong
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong SAR
| | - Sisi Cao
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong SAR
| | - Xiaoli Dong
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong SAR
| | - Yan Zhang
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong SAR; Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, PR China.
| | - Man-Sau Wong
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong SAR; State Key Laboratory of Chinese Medicine and Molecular Pharmacology (Incubation), The Hong Kong Polytechnic University Shenzhen Research Institute, Shenzhen, PR China.
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Zhou L, Wong KY, Yu W, Poon CCW, Xiao H, Chan CO, Mok DKW, Zhang Y, Wong MS. Selective Estrogen Receptor Modulator-Like Activities of Herba epimedii Extract and its Interactions With Tamoxifen and Raloxifene in Bone Cells and Tissues. Front Pharmacol 2021; 11:571598. [PMID: 33519435 PMCID: PMC7843570 DOI: 10.3389/fphar.2020.571598] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2020] [Accepted: 12/11/2020] [Indexed: 11/13/2022] Open
Abstract
Herba epimedii (HEP), a kidney-tonifying herb, has been commonly used alone or in formula for strengthening kidney function and treating bone disorders. Its bone protective activity has been demonstrated to be via estrogen receptor (ERs). HEP activates the phosphorylation of ERα in an estrogen response element- (ERE-) dependent manner. We examined the bone protective effects of HEP and its potential interactions with Selective Estrogen Receptor Modulators (SERMs, such as tamoxifen and raloxifene) as they act via the same ERs. Six-month-old mature Sprague Dawley sham-operated (Sham) or ovariectomized (OVX) rats were treated with either vehicle, 17ß-estradiol (1.0 mg/kg.day), tamoxifen (Tamo, 1.0 mg/kg.day), raloxifene (Ralo, 3.0 mg/kg.day), HEP (0.16 g/kg.day), or its combinations with respective SERMs (HEP + Tamo; HEP + Ralo) for 12 weeks. HEP and SERMs as well as their combinations significantly restored changes in bone mineral density (BMD), trabecular bone properties, and bone turnover biomarkers induced by ovarian sex hormone deficiency in ovariectomized rats. Besides the increase in serum estradiol, inhibition on follicle stimulating hormone (FSH) might also be involved in the osteoprotective activities of HEP and SERMs. HEP interacted with SERMs to protect bones from ovarian sex hormone deficiency without altering SERMs' bone protective activities. HEP neither induced changes in uterus weight nor altered the uterotrophic activity of SERMs in OVX rats. In human osteosarcoma MG-63 cells, HEP-treated serum (HEP-Ts) significantly promoted alkaline phosphatase (ALP) activity like the crude HEP extract did but did not stimulate ERE activity. Our study also reported that biologically activated HEP interacted with SERMs to promote ALP activity without altering the action of SERMs at most of the concentrations tested in MG-63 cells. HEP exerted bone protective activity and the use of HEP did not alter the bone protective activities of SERMs when they were used simultaneously in an estrogen-deficient rat model.
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Affiliation(s)
- Liping Zhou
- Cell Therapy Center, Xuanwu Hospital, Capital Medical University, Beijing, China.,Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hong Kong, China
| | - Ka-Ying Wong
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hong Kong, China
| | - Wenxuan Yu
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hong Kong, China
| | - Christina Chui-Wa Poon
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hong Kong, China
| | - Huihui Xiao
- State Key Laboratory of Chinese Medicine and Molecular Pharmacology (Incubation), The Hong Kong Polytechnic University Shenzhen Research Institute, Shenzhen, China
| | - Chi-On Chan
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hong Kong, China.,State Key Laboratory of Chinese Medicine and Molecular Pharmacology (Incubation), The Hong Kong Polytechnic University Shenzhen Research Institute, Shenzhen, China
| | - Daniel Kam-Wah Mok
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hong Kong, China.,State Key Laboratory of Chinese Medicine and Molecular Pharmacology (Incubation), The Hong Kong Polytechnic University Shenzhen Research Institute, Shenzhen, China
| | - Yan Zhang
- Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Man-Sau Wong
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hong Kong, China.,State Key Laboratory of Chinese Medicine and Molecular Pharmacology (Incubation), The Hong Kong Polytechnic University Shenzhen Research Institute, Shenzhen, China
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18
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Tilianin Protects against Ischemia/Reperfusion-Induced Myocardial Injury through the Inhibition of the Ca 2+/Calmodulin-Dependent Protein Kinase II-Dependent Apoptotic and Inflammatory Signaling Pathways. BIOMED RESEARCH INTERNATIONAL 2020; 2020:5939715. [PMID: 33102583 PMCID: PMC7568786 DOI: 10.1155/2020/5939715] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/20/2020] [Revised: 06/10/2020] [Accepted: 09/03/2020] [Indexed: 11/18/2022]
Abstract
Tilianin is a naturally occurring phenolic compound with a cardioprotective effect against myocardial ischemia/reperfusion injury (MIRI). The aim of our study was to determine the potential targets and mechanism of action of tilianin against cardiac injury induced by MIRI. An in silico docking model was used in this study for binding mode analysis between tilianin and Ca2+/calmodulin-dependent protein kinase II (CaMKII). Oxygen-glucose deprivation/reperfusion- (OGD/R-) injured H9c2 cardiomyocytes and ischemia/reperfusion- (I/R-) injured isolated rat hearts were developed as in vitro and ex vivo models, respectively, which were both treated with tilianin in the absence or presence of a specific CaMKII inhibitor KN93 for target verification and mechanistic exploration. Results demonstrated the ability of tilianin to facilitater the recovery of OGD/R-induced cardiomyocyte injury and the maintenance of cardiac function in I/R-injured hearts. Tilianin interacted with CaMKIIδ with an efficient binding performance, a favorable binding score, and restraining p-CaMKII and ox-CaMKII expression in cardiomyocytes injured by MIRI. Importantly, inhibition of CaMKII abolished tilianin-mediated recovery of OGD/R-induced cardiomyocyte injury and maintenance of cardiac function in I/R-injured hearts, accompanied by the disability to protect mitochondrial function. Furthermore, the protective effects of tilianin towards mitochondrion-associated proapoptotic and antiapoptotic protein counterbalance and c-Jun N-terminal kinase (JNK)/nuclear factor- (NF-) κB-related inflammation suppression were both abolished after pharmacological inhibition of CaMKII. Our investigation indicated that the inhibition of CaMKII-mediated mitochondrial apoptosis and JNK/NF-κB inflammation might be considered as a pivotal mechanism used by tilianin to exert its protective effects on MIRI cardiac damage.
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19
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Qiu ZC, Zhang Y, Xiao HH, Chui-Wa Poon C, Li XL, Cui JF, Wong MK, Yao XS, Wong MS. 8-prenylgenistein exerts osteogenic effects via ER α and Wnt-dependent signaling pathway. Exp Cell Res 2020; 395:112186. [DOI: 10.1016/j.yexcr.2020.112186] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2020] [Revised: 07/08/2020] [Accepted: 07/17/2020] [Indexed: 12/20/2022]
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20
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Kooptiwut S, Samon K, Semprasert N, Suksri K, Yenchitsomanus PT. Prunetin Protects Against Dexamethasone-Induced Pancreatic Β-Cell Apoptosis via Modulation of p53 Signaling Pathway. Nat Prod Commun 2020. [DOI: 10.1177/1934578x20916328] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Long-term administration of dexamethasone results in insulin resistance and pancreatic β-cell apoptosis. Prunetin (an O-methylated isoflavone, a type of flavonoid) is demonstrated to protect diabetes, but the molecular mechanism of this protection is still unclear. This study thus aims to investigate how prunetin protects against dexamethasone-induced pancreatic β-cell apoptosis. Rat insulinoma (INS-1) cells were cultured in medium with or without dexamethasone in the presence or absence of prunetin or pifithrin-α, a p53 inhibitor. Cell apoptosis was measured by Annexin V/propidium iodide staining. Dexamethasone significantly induced INS-1 apoptosis but dexamethasone plus prunetin significantly reduced INS-1 apoptosis. Dexamethasone-treated INS-1 upregulated p53 protein expression; the induction of p53 was also reduced in the presence of RU486, a glucocorticoid receptor (GR) inhibitor. This suggested that dexamethasone induced P53 via GR. Dexamethasone-treated INS-1 significantly increased p53, Bax, and Rb protein expressions, whereas treatments of dexamethasone plus prunetin or pifithrin-α significantly decreased these protein expressions. In addition, dexamethasone significantly decreased B-cell lymphoma 2 (Bcl2), while dexamethasone plus prunetin or pifithrin-α significantly increased Bcl2. Dexamethasone significantly increased caspase-3 activity while co-treatment of dexamethasone plus prunetin or pifithrin-α significantly decreased caspase-3 activity to the control level. Taken together, our results revealed that prunetin protected against dexamethasone-induced pancreatic β-cells apoptosis via modulation of the p53 signaling pathway.
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Affiliation(s)
- Suwattanee Kooptiwut
- Department of Physiology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Kanokwan Samon
- Department of Physiology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Namoiy Semprasert
- Department of Physiology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Kanchana Suksri
- Department of Physiology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Pa-Thai Yenchitsomanus
- Division of Molecular Medicine, Research Department, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
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21
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Evaluation of Isoflavones as Bone Resorption Inhibitors upon Interactions with Receptor Activator of Nuclear Factor-κB Ligand (RANKL). Molecules 2020; 25:molecules25010206. [PMID: 31947859 PMCID: PMC6982798 DOI: 10.3390/molecules25010206] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2019] [Revised: 12/29/2019] [Accepted: 12/31/2019] [Indexed: 12/31/2022] Open
Abstract
Receptor activator of nuclear factor-κB ligand (RANKL) is a cytokine responsible for bone resorption. It binds its receptor RANK, which activates osteoporosis. High levels of osteoprotegerin (OPG) competitively binding RANKL limit formation of ligand-receptor complexes and enable bone mass maintenance. The new approach to prevent osteoporosis is searching for therapeutics that can bind RANKL and support OPG function. The aim of the study was to verify the hypothesis that isoflavones can form complexes with RANKL limiting binding of the cytokine to its receptor. Interactions of five isoflavones with RANKL were investigated by isothermal titration calorimetry (ITC), by in silico docking simulation and on Saos-2 cells. Daidzein and biochanin A showed the highest affinity for RANKL. Among studied isoflavones coumestrol, formononetin and biochanin A showed the highest potential for Saos-2 mineralization and were able to regulate the expression of RANKL and OPG at the mRNA levels, as well as osteogenic differentiation markers: alkaline phosphatase (ALP), collagen type 1, and Runt-related transcription factor 2 (Runx2). Comparison of the osteogenic activities of isoflavones showed that the use of physicochemical techniques such as ITC or in silico docking are good tools for the initial selection of substances showing a specific bioactivity.
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22
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Zhou L, Poon CCW, Wong KY, Cao S, Yu W, Dong X, Lee WYW, Zhang Y, Wong MS. Prenylflavonoid Icariin Induces Estrogen Response Element-Independent Estrogenic Responses in a Tissue-Selective Manner. J Endocr Soc 2019; 4:bvz025. [PMID: 32051921 PMCID: PMC7007805 DOI: 10.1210/jendso/bvz025] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/28/2019] [Accepted: 11/23/2019] [Indexed: 02/07/2023] Open
Abstract
Icariin, a flavonoid phytoestrogen derived from Herba epimedii, has been reported to exert estrogenic effects in bone and activate phosphorylation of estrogen receptor (ER) α in osteoblastic cells. However, it is unclear whether icariin selectively exerts estrogenic activities in bone without inducing undesirable effects in other estrogen-sensitive tissues. The present study aimed to investigate the tissue-selective estrogenic activities of icariin in estrogen-sensitive tissues in vivo and in vitro. Long-term treatment with icariin effectively prevented bone of ovariectomized (OVX) rats from estrogen deficiency–induced osteoporotic changes in bone structure, bone mineral density, and trabecular properties. Moreover, icariin regulated the transcriptional events of estrogen-responsive genes related to bone remodeling and prevented dopaminergic neurons against OVX-induced changes by rescuing expression of estrogen-regulated tyrosine hydroxylase and dopamine transporter in the striatum. Unlike estrogen, icariin did not induce estrogenic effects in the uterus and breast in mature OVX rats or immature CD-1 mice. In vitro studies demonstrated that icariin exerted estrogen-like activities and regulated the expression of estrogen-responsive genes but did not induce estrogen response element–dependent luciferase activities in ER-positive cells. Our results support the hypothesis that icariin, through its distinct mechanism of actions in activating ER, selectively exerts estrogenic activities in different tissues and cell types.
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Affiliation(s)
- Liping Zhou
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong SAR, PR China
| | - Christina Chui-Wa Poon
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong SAR, PR China
| | - Ka-Ying Wong
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong SAR, PR China
| | - Sisi Cao
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong SAR, PR China
| | - Wenxuan Yu
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong SAR, PR China
| | - Xiaoli Dong
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong SAR, PR China.,State Key Laboratory of Chinese Medicine and Molecular Pharmacology (Incubation), The Hong Kong Polytechnic University Shenzhen Research Institute, Shenzhen, PR China
| | - Wayne Yuk-Wai Lee
- Department of Orthopaedics & Traumatology, The Chinese University of Hong Kong, Shatin, Hong Kong SAR, PR China
| | - Yan Zhang
- Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, PR China
| | - Man-Sau Wong
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong SAR, PR China.,State Key Laboratory of Chinese Medicine and Molecular Pharmacology (Incubation), The Hong Kong Polytechnic University Shenzhen Research Institute, Shenzhen, PR China
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23
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Guan Y, Zhang Y, Zou J, Huang LP, Chordia MD, Yue W, Wu JJ, Pan DF. Synthesis and Biological Evaluation of Genistein-IR783 Conjugate: Cancer Cell Targeted Delivery in MCF-7 for Superior Anti-Cancer Therapy. Molecules 2019; 24:molecules24224120. [PMID: 31739548 PMCID: PMC6891397 DOI: 10.3390/molecules24224120] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2019] [Revised: 11/08/2019] [Accepted: 11/12/2019] [Indexed: 12/24/2022] Open
Abstract
The flavonoid-based natural product genistein is a biologically active compound possessing promising anti-oxidant and anti-cancer properties. Poor pharmacokinetics along with low potency limit however the therapeutic application of genistein in cancer therapy. In order to overcome those limitations and to expand its therapeutic window of efficacy, we sought to covalently attach genistein with a heptamethine cyanine dye—IR 783—for cancer cell targeting and enhanced delivery to tumors. Herein we report the synthesis, a selective detailed characterization and preliminary in vitro/in vivo biological evaluation of genistein-IR 783 conjugate 4. The conjugate 4 displayed improved potency against human breast cancer MCF-7 cells (10.4 ± 1.0 μM) as compared with the parent genistein (24.8 ± 0.5 μM) or IR 783 (25.7 ± 0.7 μM) and exhibited selective high uptake in MCF-7 as against the normal mammary gland MCF-10A cells in various assays. In the cell viability assay, conjugate 4 exhibited over threefold lower potency against MCF-10A cells (32.1 ± 1.1 μM) suggesting that the anti-cancer profile of parent genistein is significantly improved upon conjugation with the dye IR783. Furthermore, the genistein-IR783 conjugate 4 was shown to be especially accumulated in MCF-7 cancer cells by fluorescent intensity measurements and inverted fluorescence microscopy in fixed cells as well as in live cells with time via live cell confocal fluorescence imaging. The mechanism-based uptake inhibition of conjugate 4 was observed with OATPs inhibitor BSP and in part with amiloride, as a macropinocytosis inhibitor. For the first time we have shown amiloride inhibited uptake of cyanine dye by about ~40%. Finally, genistein-IR 783 conjugate 4 was shown to be localized in MCF-7 tumor xenografts of mice breast cancer model via in vivo near infrared fluorescence (NIRF) imaging. In conclusion, conjugation of genistein with cyanine dye IR783 indeed improved its pharmacological profile by cancer cell selective uptake and targeting and therefore warrants further investigations as a new anti-cancer therapeutics derived from natural product genistein.
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Affiliation(s)
- Yang Guan
- College of Pharmacy, Jiangxi University of Traditional Chinese Medicine, Nanchang, Jiangxi 330004, China; (Y.G.); (L.-P.H.)
- International Institute for Translational Chinese Medicine, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong 510006, China;
- Department of Radiology and Medical Imaging, Charlottesville, VA 22903, USA; (Y.Z.); (M.D.C.)
| | - Yi Zhang
- Department of Radiology and Medical Imaging, Charlottesville, VA 22903, USA; (Y.Z.); (M.D.C.)
| | - Juan Zou
- International Institute for Translational Chinese Medicine, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong 510006, China;
| | - Li-Ping Huang
- College of Pharmacy, Jiangxi University of Traditional Chinese Medicine, Nanchang, Jiangxi 330004, China; (Y.G.); (L.-P.H.)
| | - Mahendra D. Chordia
- Department of Radiology and Medical Imaging, Charlottesville, VA 22903, USA; (Y.Z.); (M.D.C.)
| | - Wei Yue
- Department of Endocrinology, University of Virginia, Charlottesville, VA 22903, USA;
| | - Jin-Jun Wu
- International Institute for Translational Chinese Medicine, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong 510006, China;
- Correspondence: (J.-J.W.); (D.-F.P.); +86-159-1435-8366 (J.-J.W.); Tel.: +1-(434)-243-2893 (D.-F.P.)
| | - Dong-Feng Pan
- Department of Radiology and Medical Imaging, Charlottesville, VA 22903, USA; (Y.Z.); (M.D.C.)
- Correspondence: (J.-J.W.); (D.-F.P.); +86-159-1435-8366 (J.-J.W.); Tel.: +1-(434)-243-2893 (D.-F.P.)
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24
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Cao LH, Qiao JY, Huang HY, Fang XY, Zhang R, Miao MS, Li XM. PI3K-AKT Signaling Activation and Icariin: The Potential Effects on the Perimenopausal Depression-Like Rat Model. Molecules 2019; 24:E3700. [PMID: 31618892 PMCID: PMC6832648 DOI: 10.3390/molecules24203700] [Citation(s) in RCA: 56] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2019] [Revised: 10/08/2019] [Accepted: 10/11/2019] [Indexed: 12/17/2022] Open
Abstract
Icariin is a prenylated flavonol glycoside isolated from Epimedium herb, and has been shown to be its main bioactive component. Recently, the antidepressant-like mechanism of icariin has been increasingly evaluated and demonstrated. However, there are few studies that have focused on the involvement of the phosphatidylinositol 3-kinase (PI3K)/serine-threonine protein kinase (AKT) signaling in mediating the perimenopausal depression effects of icariin. Perimenopausal depression is a chronic recurrent disease that leads to an increased risk of suicide, and poses a significant risk to public health. The aim of the present study was to explore the effect of icariin on the expression of the PI3K-AKT pathway related to proteins in a rat model of perimenopausal depression. Eighty percent of the left ovary and the entire right ovary were removed from the model rats. A perimenopausal depression model was created through 18 days of chronic unpredictable stimulation, followed by the gavage administration of target drugs for 30 consecutive days. We found that icariin administered at various doses significantly improved the apparent symptoms in the model rats, increased the organ indices of the uterus, spleen, and thymus, and improved the pathological changes in the ovaries. Moreover, icariin administration elevated the serum levels of female hormone estradiol (E2), testosterone (T), and interleukin (IL)-2, decreased those of follicle stimulating hormone (FSH) and luteotropic hormone (LH), promoted the expression levels of estrogen receptor (ER) and ERα in the hypothalamus, and increased those of serotonin (5-HT), dopamine (DA), and noradrenaline (NA) in the brain homogenate. Furthermore, icariin elevated the expression levels of AKT, phosphorylation-akt (p-AKT), PI3K (110 kDa), PI3K (85 kDa), and B-cell lymphoma 2 (Bcl-2) in the ovaries, and inhibited those of Bax. These results show that icariin administration rebalanced the disordered sex hormones in perimenopausal depression rats, regulated the secretion of neurotransmitters in the brain, boosted immune function, and improved the perimenopausal syndrome. The mechanism of action may be related to the regulation of the expression of PI3K-AKT pathway-related proteins.
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Affiliation(s)
- Li-Hua Cao
- International TCM Immunopharmacology Research Center, Henan University of Chinese Medicine, Zhengzhou 450046, China.
| | - Jing-Yi Qiao
- International TCM Immunopharmacology Research Center, Henan University of Chinese Medicine, Zhengzhou 450046, China.
- Department of Pharmacology, Henan University of Chinese Medicine, Zhengzhou 450046, China.
| | - Hui-Yuan Huang
- Department of Pharmacology, Henan University of Chinese Medicine, Zhengzhou 450046, China.
| | - Xiao-Yan Fang
- Department of Pharmacology, Henan University of Chinese Medicine, Zhengzhou 450046, China.
| | - Rui Zhang
- Department of Pharmacology, Henan University of Chinese Medicine, Zhengzhou 450046, China.
| | - Ming-San Miao
- International TCM Immunopharmacology Research Center, Henan University of Chinese Medicine, Zhengzhou 450046, China.
- Department of Pharmacology, Henan University of Chinese Medicine, Zhengzhou 450046, China.
| | - Xiu-Min Li
- Microbiology and Immunology Department, New York Medical College, Valhalla, NY 10595, USA.
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25
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Wong MS, Poon CCW, Zhou LP, Xiao HH. Natural Products as Potential Bone Therapies. Handb Exp Pharmacol 2019; 262:499-518. [PMID: 31792676 DOI: 10.1007/164_2019_322] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Demands for natural products, in the form of botanicals, dietary supplements, and herbal medicine, for management of chronic diseases are increasing globally. Natural products might be an alternative for the management of bone health to meet the demands of a growing aging population. Different types of natural products, including Chinese herbal medicine decoctions, herbs, and isolated phytochemicals, have been demonstrated to exert bone protective effects. The most common types of bone protective bioactives are flavonoids, stilbene, triterpenoids, coumestans, lignans, and phenolic acid. The actions of natural products can be mediated by acting systemically on the hormonal axis or locally via their direct or indirect effects on osteogenesis, osteoclastogenesis, as well as adipogenesis. Furthermore, with the use of metabolomic and microbiome approaches to understand the actions of natural products, novel mechanisms that involve gut-brain-bone axis are also revealed. These studies provide evidence to support the use of natural products as bone therapeutics as well as identify new biological targets for novel drug development.
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Affiliation(s)
- Man-Sau Wong
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hong Kong SAR, People's Republic of China. .,State Key Laboratory of Chinese Medicine and Molecular Pharmacology (Incubation), Shenzhen Research Institute of The Hong Kong Polytechnic University, Shenzhen, People's Republic of China.
| | - Christina Chui-Wa Poon
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hong Kong SAR, People's Republic of China
| | - Li-Ping Zhou
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hong Kong SAR, People's Republic of China
| | - Hui-Hui Xiao
- State Key Laboratory of Chinese Medicine and Molecular Pharmacology (Incubation), Shenzhen Research Institute of The Hong Kong Polytechnic University, Shenzhen, People's Republic of China
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