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Long J, Hu W, Ren T, Wang X, Lu C, Pan X, Wu C, Peng T. Combating multidrug resistance of breast cancer with ginsenoside Rh2-irrigated nano-in-thermogel. Int J Pharm 2024; 650:123718. [PMID: 38104849 DOI: 10.1016/j.ijpharm.2023.123718] [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: 10/18/2023] [Revised: 11/26/2023] [Accepted: 12/13/2023] [Indexed: 12/19/2023]
Abstract
The emergence of multidrug resistance (MDR) is the leading cause of mortality in patients with breast cancer. Overexpressed P-glycoprotein (P-gp) that can pump out chemotherapeutics from multidrug-resistant cancer cells is the main cause of chemotherapy failure. P-gp inhibitors are hence increasingly used to sensitize chemotherapy to breast cancer with MDR by reducing the efflux of drugs. However, representative P-gp inhibitors usually have severe side effects and the effect of their release behavior on chemotherapy are neglected in current studies. We constructed a nano-in-thermogel delivery system with the sequential release of ginsenoside Rh2 (GRh2) and a chemotherapeutic drug in the tumor microenvironment as a drug compounding "reservoir" to combat MDR in breast cancer. Briefly, paclitaxel (PTX) and GRh2 were encapsulated in solid lipid nanoparticles (SLNs) and dispersed in a poloxamer-based thermogel (SLNs-Gel). GRh2 was used as an innovative and safe P-gp inhibitor to lower P-gp expression and cellular adenosine triphosphate context, thereby sensitizing PTX-resistant breast cancer cells (MCF-7/PTX) to PTX. Pharmacodynamic and in vivo safety studies confirmed that intratumoral injection of SLNs-Gel significantly suppressed the proliferation of PTX-resistant breast cancer and alleviated the PTX-induced hematotoxicity. The GRh2-irrigated nano-in-thermogel delivery system shows great potential in combating multidrug-resistant cancer.
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Affiliation(s)
- Jieyu Long
- State Key Laboratory of Bioactive Molecules and Druggability Assessment, Jinan University, Guangzhou 511436, China; School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Wanshan Hu
- College of Pharmacy, International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Ministry of Education (MOE) of China, Jinan University, Guangzhou 511436, China
| | - Tao Ren
- College of Pharmacy, International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Ministry of Education (MOE) of China, Jinan University, Guangzhou 511436, China
| | - Xuewen Wang
- College of Pharmacy, International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Ministry of Education (MOE) of China, Jinan University, Guangzhou 511436, China
| | - Chao Lu
- College of Pharmacy, International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Ministry of Education (MOE) of China, Jinan University, Guangzhou 511436, China
| | - Xin Pan
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China
| | - Chuanbin Wu
- State Key Laboratory of Bioactive Molecules and Druggability Assessment, Jinan University, Guangzhou 511436, China; College of Pharmacy, International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Ministry of Education (MOE) of China, Jinan University, Guangzhou 511436, China
| | - Tingting Peng
- State Key Laboratory of Bioactive Molecules and Druggability Assessment, Jinan University, Guangzhou 511436, China; College of Pharmacy, International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Ministry of Education (MOE) of China, Jinan University, Guangzhou 511436, China.
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Lee MY, Kim M. Effects of Red ginseng on neuroinflammation in neurodegenerative diseases. J Ginseng Res 2024; 48:20-30. [PMID: 38223824 PMCID: PMC10785270 DOI: 10.1016/j.jgr.2023.08.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Revised: 07/17/2023] [Accepted: 08/25/2023] [Indexed: 01/16/2024] Open
Abstract
Red ginseng (RG) is widely used as a herbal medicine. As the human lifespan has increased, numerous diseases have developed, and RG has also been used to treat various diseases. Neurodegenerative diseases are major problems that modern people face through their lives. Neurodegenerative diseases, including Alzheimer's disease, Parkinson's disease, Huntington's disease, and amyotrophic lateral sclerosis are featured by progressive nerve system damage. Recently, neuroinflammation has emerged as a degenerative factor and is an immune response in which cytokines with nerve cells that constitute the nervous system. RG, a natural herbal medicine with fewer side effects than chemically synthesized drugs, is currently in the spotlight. Therefore, we reviewed studies reporting the roles of RG in treating neuroinflammation and neurodegenerative diseases and found that RG might help alleviate neurodegenerative diseases by regulating neuroinflammation.
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Affiliation(s)
- Min Yeong Lee
- Department of Chemistry & Life Science, Sahmyook University, Hwarangro 815, Nowongu, Seoul, Republic of Korea
| | - Mikyung Kim
- Department of Chemistry & Life Science, Sahmyook University, Hwarangro 815, Nowongu, Seoul, Republic of Korea
- Uimyung Research Institute for Neuroscience, Department of Pharmacy, Sahmyook University, Hwarangro 815, Nowongu, Seoul, Republic of Korea
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3
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Yang Y, Yang J, Ma T, Yang X, Yuan Y, Guo Y. The role and mechanism of TGF-β1 in the antidepressant-like effects of tetrahydrocurcumin. Eur J Pharmacol 2023; 959:176075. [PMID: 37802279 DOI: 10.1016/j.ejphar.2023.176075] [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: 06/16/2023] [Revised: 09/20/2023] [Accepted: 09/21/2023] [Indexed: 10/08/2023]
Abstract
Astrocytes and the activation of inflammatory factors are associated with depression. Tetrahydrocurcumin (THC), the principal metabolite of natural curcumin, is renowned for its anti-inflammatory properties. In this research, we explored the impact of THC on the expression of inflammatory factors, neurotrophins, and transforming growth factor β1 (TGF-β1) in the prefrontal cortex after chronic restraint stress (CRS) in mice and in lipopolysaccharide (LPS)-induced TNC1 astrocytes. Our findings indicated that THC mitigated the anxiety and depression-like behaviours observed in CRS mice. It also influenced the expression of TGF-β1, p-SMAD3/SMAD3, sirtuin 1 (SIRT1), brain-derived neurotrophic factor (BDNF), glial cell line-derived neurotrophic factor (GDNF), inducible nitric oxide synthase (iNOS), and tumour necrosis factor α (TNF-α). Specifically, THC augmented the expressions of TGF-β1, p-SMAD3/SMAD3, SIRT1, BDNF, and GDNF, whilst diminishing the expressions of iNOS and TNF-α in LPS-induced astrocytes. However, when pre-treated with SB431542, a TGF-β1 receptor inhibitor, it nullified the aforementioned effects of THC on astrocytes. Our results propose that THC delivers its anti-depressive effects through the activation of TGF-β1, enhancement of p-SMAD3/SMAD3 and SIRT1 expression, upregulation of BDNF and GDNF, and downregulation of iNOS and TNF-α. This research furnishes new perspectives on the anti-inflammatory mechanism that underpins the antidepressant-like impact of THC.
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Affiliation(s)
- Yan Yang
- Kunming Medical University, Kunming, China
| | | | | | - Xueke Yang
- Kunming Medical University, Kunming, China
| | - Yun Yuan
- Kunming Medical University, Kunming, China.
| | - Ying Guo
- Kunming Medical University, Kunming, China.
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4
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Miao J, Chen L, Pan X, Li L, Zhao B, Lan J. Microglial Metabolic Reprogramming: Emerging Insights and Therapeutic Strategies in Neurodegenerative Diseases. Cell Mol Neurobiol 2023; 43:3191-3210. [PMID: 37341833 DOI: 10.1007/s10571-023-01376-y] [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: 05/01/2023] [Accepted: 06/14/2023] [Indexed: 06/22/2023]
Abstract
Microglia, the resident immune cells of the central nervous system, play a critical role in maintaining brain homeostasis. However, in neurodegenerative conditions, microglial cells undergo metabolic reprogramming in response to pathological stimuli, including Aβ plaques, Tau tangles, and α-synuclein aggregates. This metabolic shift is characterized by a transition from oxidative phosphorylation (OXPHOS) to glycolysis, increased glucose uptake, enhanced production of lactate, lipids, and succinate, and upregulation of glycolytic enzymes. These metabolic adaptations result in altered microglial functions, such as amplified inflammatory responses and diminished phagocytic capacity, which exacerbate neurodegeneration. This review highlights recent advances in understanding the molecular mechanisms underlying microglial metabolic reprogramming in neurodegenerative diseases and discusses potential therapeutic strategies targeting microglial metabolism to mitigate neuroinflammation and promote brain health. Microglial Metabolic Reprogramming in Neurodegenerative Diseases This graphical abstract illustrates the metabolic shift in microglial cells in response to pathological stimuli and highlights potential therapeutic strategies targeting microglial metabolism for improved brain health.
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Affiliation(s)
- Jifei Miao
- Shenzhen Bao'an Traditional Chinese Medicine Hospital, Shenzhen, China
- School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate School, Shenzhen, China
| | - Lihua Chen
- Shenzhen Bao'an Traditional Chinese Medicine Hospital, Shenzhen, China
| | - Xiaojin Pan
- Shenzhen Bao'an Traditional Chinese Medicine Hospital, Shenzhen, China
| | - Liqing Li
- Shenzhen Bao'an Traditional Chinese Medicine Hospital, Shenzhen, China
| | - Beibei Zhao
- Shenzhen Bao'an Traditional Chinese Medicine Hospital, Shenzhen, China.
| | - Jiao Lan
- Shenzhen Bao'an Traditional Chinese Medicine Hospital, Shenzhen, China.
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5
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Shan M, Bai Y, Fang X, Lan X, Zhang Y, Cao Y, Zhu D, Luo H. American Ginseng for the Treatment of Alzheimer's Disease: A Review. Molecules 2023; 28:5716. [PMID: 37570686 PMCID: PMC10420665 DOI: 10.3390/molecules28155716] [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: 06/25/2023] [Revised: 07/19/2023] [Accepted: 07/26/2023] [Indexed: 08/13/2023] Open
Abstract
Alzheimer's disease (AD) is a prevalent degenerative condition that is increasingly affecting populations globally. American ginseng (AG) has anti-AD bioactivity, and ginsenosides, as the main active components of AG, have shown strong anti-AD effects in both in vitro and in vivo studies. It has been reported that ginsenosides can inhibit amyloid β-protein (Aβ) production and deposition, tau phosphorylation, apoptosis and cytotoxicity, as well as possess anti-oxidant and anti-inflammatory properties, thus suppressing the progression of AD. In this review, we aim to provide a comprehensive overview of the pathogenesis of AD, the potential anti-AD effects of ginsenosides found in AG, and the underlying molecular mechanisms associated with these effects. Additionally, we will discuss the potential use of AG in the treatment of AD, and how ginsenosides in AG may exert more potent anti-AD effects in vivo may be a direction for further research.
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Affiliation(s)
- Mengyao Shan
- College of Pharmacy, Changchun University of Chinese Medicine, Changchun 130117, China; (M.S.); (Y.B.); (X.F.); (X.L.); (Y.Z.); (Y.C.)
- Department of Pharmaceutical Chemistry and Traditional Chinese Medicine Chemistry, Changchun University of Chinese Medicine, Changchun 130117, China
| | - Yunfan Bai
- College of Pharmacy, Changchun University of Chinese Medicine, Changchun 130117, China; (M.S.); (Y.B.); (X.F.); (X.L.); (Y.Z.); (Y.C.)
- Department of Pharmaceutical Chemistry and Traditional Chinese Medicine Chemistry, Changchun University of Chinese Medicine, Changchun 130117, China
| | - Xiaoxue Fang
- College of Pharmacy, Changchun University of Chinese Medicine, Changchun 130117, China; (M.S.); (Y.B.); (X.F.); (X.L.); (Y.Z.); (Y.C.)
- Department of Pharmaceutical Chemistry and Traditional Chinese Medicine Chemistry, Changchun University of Chinese Medicine, Changchun 130117, China
| | - Xintian Lan
- College of Pharmacy, Changchun University of Chinese Medicine, Changchun 130117, China; (M.S.); (Y.B.); (X.F.); (X.L.); (Y.Z.); (Y.C.)
- Department of Pharmaceutical Chemistry and Traditional Chinese Medicine Chemistry, Changchun University of Chinese Medicine, Changchun 130117, China
| | - Yegang Zhang
- College of Pharmacy, Changchun University of Chinese Medicine, Changchun 130117, China; (M.S.); (Y.B.); (X.F.); (X.L.); (Y.Z.); (Y.C.)
- Department of Pharmaceutical Chemistry and Traditional Chinese Medicine Chemistry, Changchun University of Chinese Medicine, Changchun 130117, China
| | - Yiming Cao
- College of Pharmacy, Changchun University of Chinese Medicine, Changchun 130117, China; (M.S.); (Y.B.); (X.F.); (X.L.); (Y.Z.); (Y.C.)
- Department of Pharmaceutical Chemistry and Traditional Chinese Medicine Chemistry, Changchun University of Chinese Medicine, Changchun 130117, China
| | - Difu Zhu
- College of Pharmacy, Changchun University of Chinese Medicine, Changchun 130117, China; (M.S.); (Y.B.); (X.F.); (X.L.); (Y.Z.); (Y.C.)
- Department of Biopharmaceutical and Health Food, Changchun University of Chinese Medicine, Changchun 130117, China
| | - Haoming Luo
- College of Pharmacy, Changchun University of Chinese Medicine, Changchun 130117, China; (M.S.); (Y.B.); (X.F.); (X.L.); (Y.Z.); (Y.C.)
- Department of Pharmaceutical Chemistry and Traditional Chinese Medicine Chemistry, Changchun University of Chinese Medicine, Changchun 130117, China
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Sadiq NB, Kwon H, Park NI, Hamayun M, Jung JH, Yang SH, Jang SW, Kabadayı SN, Kim HY, Kim YJ. The Impact of Light Wavelength and Darkness on Metabolite Profiling of Korean Ginseng: Evaluating Its Anti-Cancer Potential against MCF-7 and BV-2 Cell Lines. Int J Mol Sci 2023; 24:ijms24097768. [PMID: 37175475 PMCID: PMC10178343 DOI: 10.3390/ijms24097768] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2023] [Revised: 04/13/2023] [Accepted: 04/20/2023] [Indexed: 05/15/2023] Open
Abstract
Korean ginseng is a source of functional foods and medicines; however, its productivity is hindered by abiotic stress factors, such as light. This study investigated the impacts of darkness and different light wavelengths on the metabolomics and anti-cancer activity of ginseng extracts. Hydroponically-grown Korean ginseng was shifted to a light-emitting diodes (LEDs) chamber for blue-LED and darkness treatments, while white fluorescent (FL) light treatment was the control. MCF-7 breast cancer and lipopolysaccharide (LPS)-induced BV-2 microglial cells were used to determine chemo-preventive and neuroprotective potential. Overall, 53 significant primary metabolites were detected in the treated samples. The levels of ginsenosides Rb1, Rb2, Rc, Rd, and Re, as well as organic and amino acids, were significantly higher in the dark treatment, followed by blue-LED treatment and the FL control. The dark-treated ginseng extract significantly induced apoptotic signaling in MCF-7 cells and dose-dependently inhibited the NF-κB and MAP kinase pathways in LPS-induced BV-2 cells. Short-term dark treatment increased the content of Rd, Rc, Rb1, Rb2, and Re ginsenosides in ginseng extracts, which promoted apoptosis of MCF-7 cells and inhibition of the MAP kinase pathway in BV-2 microglial cells. These results indicate that the dark treatment might be effective in improving the pharmacological potential of ginseng.
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Affiliation(s)
- Nooruddin Bin Sadiq
- Smart Farm Research Center, Korea Institute of Science and Technology (KIST), Gangneung 25451, Republic of Korea
- Department of Plant Science, Gangneung-Wonju National University, Gangneung 25457, Republic of Korea
| | - Hyukjoon Kwon
- Center of Biomaterials, Korea Institute of Science and Technology (KIST), Gangneung 25451, Republic of Korea
| | - Nam Il Park
- Department of Plant Science, Gangneung-Wonju National University, Gangneung 25457, Republic of Korea
| | - Muhammad Hamayun
- Department of Botany, Abdul Wali Khan University Mardan, Mardan 23200, Pakistan
| | - Je-Hyeong Jung
- Smart Farm Research Center, Korea Institute of Science and Technology (KIST), Gangneung 25451, Republic of Korea
| | - Seung-Hoon Yang
- Department of Medical Biotechnology, College of Life Science and Biotechnology, Dongguk University, Seoul 04620, Republic of Korea
| | - Soo-Won Jang
- Korean Ginseng Company (KGC), 71 Beotkkot-gil, Daedeok-gu, Daejeon 34337, Republic of Korea
| | - Seda Nur Kabadayı
- Smart Farm Research Center, Korea Institute of Science and Technology (KIST), Gangneung 25451, Republic of Korea
| | - Ho-Youn Kim
- Smart Farm Research Center, Korea Institute of Science and Technology (KIST), Gangneung 25451, Republic of Korea
- Division of Bio-Medical Science and Technology, KIST School, University of Science and Technology (UST), Daejeon 34113, Republic of Korea
| | - Young-Joo Kim
- Center of Biomaterials, Korea Institute of Science and Technology (KIST), Gangneung 25451, Republic of Korea
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Liu F, Cao L, Hu S, Ye H, Wu Q, Wu L. Muscone promotes functional recovery by facilitating microglia polarization into M2 phenotype through PPAR-γ pathway after ischemic stroke. Cell Immunol 2023; 386:104704. [PMID: 36921554 DOI: 10.1016/j.cellimm.2023.104704] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Revised: 01/04/2023] [Accepted: 02/28/2023] [Indexed: 03/07/2023]
Abstract
Exploring regimens to facilitate microglia transformation from M1 to M2 phenotype is a feasible strategy to suppress neuroinflammation, therefore reinforcing functional recovery after ischemic stroke. Muscone easily crosses the blood brain barrier (BBB) and distributes throughout the brain. Here, the results illustrated the administration of 8 mg/kg muscone promoted functional recovery through reducing the infarct volume by 2,3,5-triphenyltetrazolium chloride (TTC) staining after ischemic stroke in mice. Then, the expression of pro-inflammatory factors, such as tumor necrosis factor-α (TNF-α), interleukin-1β (IL-1β) and interleukin-6 (IL-6), was significantly decreased, whereas the level of anti-inflammatory agents including C-X-C Motif Chemokine Ligand 1 (CXCL1), transforming growth factor-β (TGF-β) and interleukin-10 (IL-10) was obviously elevated in penumbra with the treatment of 8 mg/kg muscone using real-time fluorescence quantitative polymerase chain reaction (RT-qPCR), western blot and enzyme-linked immunosorbent assay (ELISA) tests. Subsequently, the results showed the application of muscone upregulated the expression of peroxisome proliferator-activated receptor-γ (PPAR-γ) to facilitate microglia transformation into M2 phenotype using RT-qPCR, western blot and immunofluorescence analysis. Collectively, the present study provides evidence for our hypothesis that muscone intensifies microglia transformation into M2 phenotype via activating PPAR-γ signaling pathway in penumbra after ischemic stroke. These findings demonstrate muscone is a promising candidate for the treatment of ischemic stroke.
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Affiliation(s)
- Fei Liu
- Department of Neurology, Taikang Tongji (Wuhan) Hospital, Wuhan, Hubei 430050, PR China
| | - Liwei Cao
- Department of Neurology, Taikang Tongji (Wuhan) Hospital, Wuhan, Hubei 430050, PR China
| | - Shejing Hu
- Department of Neurology, Taikang Tongji (Wuhan) Hospital, Wuhan, Hubei 430050, PR China
| | - Hongxiang Ye
- Department of Neurology, Taikang Tongji (Wuhan) Hospital, Wuhan, Hubei 430050, PR China
| | - Qiang Wu
- Department of Neurology, Taikang Tongji (Wuhan) Hospital, Wuhan, Hubei 430050, PR China
| | - Le Wu
- Department of Neurology, Taikang Tongji (Wuhan) Hospital, Wuhan, Hubei 430050, PR China.
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Fu YY, Cen JK, Song HL, Song SY, Zhang ZJ, Lu HJ. Ginsenoside Rh2 Ameliorates Neuropathic Pain by inhibition of the miRNA21-TLR8-MAPK axis. Mol Pain 2022; 18:17448069221126078. [PMID: 36039405 PMCID: PMC9478689 DOI: 10.1177/17448069221126078] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Ginsenoside Rh2 is one of the major bioactive ginsenosides in Panax
ginseng. Although Rh2 is known to enhance immune cells activity for
treatment of cancer, its anti-inflammatory and neuroprotective effects have yet
to be determined. In this study, we investigated the effects of Rh2 on spared
nerve injury (SNI)-induced neuropathic pain and elucidated the potential
mechanisms. We found that various doses of Rh2 intrathecal injection
dose-dependently attenuated SNI-induced mechanical allodynia and thermal
hyperalgesia. Rh2 also inhibited microglia and astrocyte activation in the
spinal cord of a murine SNI model. Rh2 treatment inhibited SNI-induced increase
of proinflammatory cytokines, including tumor necrosis factor-α, interleukin
(IL)-1 and IL-6. Expression of miRNA-21, an endogenous ligand of Toll like
receptor (TLR)8 was also decreased. Rh2 treatment blocked the mitogen-activated
protein kinase (MAPK) signaling pathway by inhibiting of phosphorylated
extracellular signal-regulated kinase expression. Finally, intrathecal injection
of TLR8 agonist VTX-2337 reversed the analgesic effect of Rh2. These results
indicated that Rh2 relieved SNI-induced neuropathic pain via inhibiting the
miRNA-21-TLR8-MAPK signaling pathway, thus providing a potential application of
Rh2 in pain therapy.
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Affiliation(s)
- Yuan-Yuan Fu
- Institute of Pain Medicine and
Special Environmental Medicine, Nantong University, Jiangsu, China
- Department of Human Anatomy, School
of Medicine, Nantong University, Jiangsu, China
| | - Jian-Ke Cen
- Institute of Pain Medicine and
Special Environmental Medicine, Nantong University, Jiangsu, China
| | - Hao-Lin Song
- Department of Human Anatomy, School
of Medicine, Nantong University, Jiangsu, China
| | - Si-Yuan Song
- Institute of Pain Medicine and
Special Environmental Medicine, Nantong University, Jiangsu, China
| | - Zhi-Jun Zhang
- Department of Human Anatomy, School
of Medicine, Nantong University, Jiangsu, China
- Zhi-jun Zhang, Department of Human Anatomy,
School of Medicine, Nantong University, Jiangsu 226019, China,
| | - Huan-Jun Lu
- Institute of Pain Medicine and
Special Environmental Medicine, Nantong University, Jiangsu, China
- Huan-Jun Lu, Institute of Pain Medicine and
Special Environmental Medicine, Nantong University, Jiangsu 226019, China,
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Ginsenoside Rh2 reduces depression in offspring of mice with maternal toxoplasma infection during pregnancy by inhibiting microglial activation via the HMGB1/TLR4/NF-κB signaling pathway. J Ginseng Res 2022; 46:62-70. [PMID: 35035240 PMCID: PMC8753429 DOI: 10.1016/j.jgr.2021.04.003] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2020] [Revised: 04/09/2021] [Accepted: 04/09/2021] [Indexed: 02/08/2023] Open
Abstract
Background Maternal Toxoplasma gondii (T. gondii) infection during pregnancy has been associated with various mental illnesses in the offspring. Ginsenoside Rh2 (GRh2) is a major bioactive compound obtained from ginseng that has an anti-T. gondii effect and attenuates microglial activation through toll-like receptor 4 (TLR4)/nuclear factor-kappa B (NF-κB) signaling pathway. GRh2 also alleviated tumor-associated or lipopolysaccharide-induced depression. However, the effects and potential mechanisms of GRh2 on depression-like behavior in mouse offspring caused by maternal T. gondii infection during pregnancy have not been investigated. Methods We examined GRh2 effects on the depression-like behavior in mouse offspring, caused by maternal T. gondii infection during pregnancy, by measuring depression-like behaviors and assaying parameters at the neuronal and molecular level. Results We showed that GRh2 significantly improved behavioral measures: sucrose consumption, forced swim time and tail suspended immobility time of their offspring. These corresponded with increased tissue concentrations of 5-hydroxytryptamine and dopamine, and attenuated indoleamine 2,3-dioxygenase or enhanced tyrosine hydroxylase expression in the prefrontal cortex. GRh2 ameliorated neuronal damage in the prefrontal cortex. Molecular docking results revealed that GRh2 binds strongly to both TLR4 and high mobility group box 1 (HMGB1). Conclusion This study demonstrated that GRh2 ameliorated the depression-like behavior in mouse offspring of maternal T. gondii infection during pregnancy by attenuating the excessive activation of microglia and neuroinflammation through the HMGB1/TLR4/NF-κB signaling pathway. It suggests that GRh2 could be considered a potential therapy in preventing and treating psychiatric disorders in the offspring mice of mothers with prenatal exposure to T. gondii infection.
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Huang W, Tao Y, Zhang X, Zhang X. TGF-β1/SMADs signaling involved in alleviating inflammation induced by nanoparticulate titanium dioxide in BV2 cells. Toxicol In Vitro 2022; 80:105303. [PMID: 34990773 DOI: 10.1016/j.tiv.2021.105303] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2021] [Revised: 12/28/2021] [Accepted: 12/29/2021] [Indexed: 10/19/2022]
Abstract
There are increasing safety concerns accompanying the widespread use of nanoparticulate titanium dioxide (nano-TiO2). It has been demonstrated that nano-TiO2 can cross the blood-brain barrier and enter the brain, causing damage to the nervous system, consisting mainly of neuroinflammation and neuronal apoptosis. Several studies have linked the TGF-β1/SMADs signaling to the development of inflammatory response in various organs. However, no studies have connected the induction of microglial inflammation by nano-TiO2 to this signaling. Therefore, this study aimed to investigate the role of TGF-β1/SMADs signaling in microglia inflammatory response induced by nano-TiO2. The results showed that nano-TiO2 increased the secretions of pro-inflammatory cytokines (IL-1α, IL-6, and TNF-α) and decreased the expressions of TGF-β1 and SMAD1/2/3 proteins in BV2 cells. When TGF-β1/SMADs signaling was inhibited, the inflammatory effect induced by nano-TiO2 increased, suggesting a suppressive effect of this signaling on the inflammation. In addition, exogenous TGF-β1 upregulated the expressions of TGF-β1 and SMADs1/2/3 proteins as well as decreased the secretions of pro-inflammatory cytokines (IL-1α, IL-6, and TNF-α) compared to BV2 cells treated with only nano-TiO2. Our results suggest that nano-TiO2 may inhibit the TGF-β1/SMADs signaling by suppressing the intracellular secretion of active TGF-β1, leading to microglial activation and the induction or exacerbation of inflammatory responses.
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Affiliation(s)
- Wendi Huang
- School of Public Health, Southeast University, Nanjing 210009, Jiangsu, China; Key Laboratory of Environmental Medicine Engineering of Ministry of Education, Southeast University, Nanjing 210009, Jiangsu, China
| | - Yifan Tao
- School of Public Health, Southeast University, Nanjing 210009, Jiangsu, China; Key Laboratory of Environmental Medicine Engineering of Ministry of Education, Southeast University, Nanjing 210009, Jiangsu, China
| | - Xiuwen Zhang
- School of Public Health, Southeast University, Nanjing 210009, Jiangsu, China; Key Laboratory of Environmental Medicine Engineering of Ministry of Education, Southeast University, Nanjing 210009, Jiangsu, China
| | - Xiaoqiang Zhang
- School of Public Health, Southeast University, Nanjing 210009, Jiangsu, China; Key Laboratory of Environmental Medicine Engineering of Ministry of Education, Southeast University, Nanjing 210009, Jiangsu, China.
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11
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Sng KS, Li G, Zhou LY, Song YJ, Chen XQ, Wang YJ, Yao M, Cui XJ. Ginseng extract and ginsenosides improve neurological function and promote antioxidant effects in rats with spinal cord injury: A meta-analysis and systematic review. J Ginseng Res 2022; 46:11-22. [PMID: 35058723 PMCID: PMC8753526 DOI: 10.1016/j.jgr.2021.05.009] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Revised: 04/26/2021] [Accepted: 05/31/2021] [Indexed: 02/07/2023] Open
Abstract
Spinal cord injury (SCI) is defined as damage to the spinal cord that temporarily or permanently changes its function. There is no definite treatment established for neurological complete injury patients. This study investigated the effect of ginseng extract and ginsenosides on neurological recovery and antioxidant efficacies in rat models following SCI and explore the appropriate dosage. Searches were done on PubMed, Embase, and Chinese databases, and animal studies matches the inclusion criteria were selected. Pair-wise meta-analysis and subgroup analysis were performed. Ten studies were included, and the overall methodological qualities were low quality. The result showed ginseng extract and ginsenosides significantly improve neurological function, through the Basso, Beattie, and Bresnahan (BBB) locomotor rating scale (pooled MD = 4.40; 95% CI = 3.92 to 4.88; p < 0.00001), significantly decrease malondialdehyde (MDA) (n = 290; pooled MD = −2.19; 95% CI = −3.16 to −1.22; p < 0.0001) and increase superoxide dismutase (SOD) levels (n = 290; pooled MD = 2.14; 95% CI = 1.45 to 2.83; p < 0.00001). Both low (<25 mg/kg) and high dosage (≥25 mg/kg) showed significant improvement in the motor function recovery in SCI rats. Collectively, this review suggests ginseng extract and ginsenosides has a protective effect on SCI, with good safety and a clear mechanism of action and may be suitable for future clinical trials and applications.
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12
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Liu L, Wang H, Chai X, Meng Q, Jiang S, Zhao F. Advances in Biocatalytic Synthesis, Pharmacological Activities, Pharmaceutical Preparation and Metabolism of Ginsenoside Rh2. Mini Rev Med Chem 2021; 22:437-448. [PMID: 34517798 DOI: 10.2174/1389557521666210913114631] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Revised: 01/25/2021] [Accepted: 06/22/2021] [Indexed: 11/22/2022]
Abstract
Ginsenoside Rh2 (3β-O-Glc-protopanaxadiol), a trace but characteristic pharmacological component of red ginseng, exhibited versatile pharmacological activities, such as antitumor effects, improved cardiac function and fibrosis, anti-inflammatory effects, antibiosis and excellent medicinal potential. In recent years, increased research has been performed on the biocatalytic synthesis of ginsenoside Rh2. In this paper, advances in the biocatalytic synthesis, pharmacological activities, pharmaceutical preparation and metabolism of ginsenoside Rh2 are reviewed.
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Affiliation(s)
- Li Liu
- School of Pharmacy, Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, Key Laboratory of Molecular Pharmacology and Drug Evaluation (Yantai University), Ministry of Education, Yantai University, Yantai, 264005. China
| | - Huiyun Wang
- College of Pharmacy, Jining Medical University, Shandong Province, 276826. China
| | - Xiaoyun Chai
- School of Pharmacy, Naval Medical University, Shanghai, 200433. China
| | - Qingguo Meng
- School of Pharmacy, Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, Key Laboratory of Molecular Pharmacology and Drug Evaluation (Yantai University), Ministry of Education, Yantai University, Yantai, 264005. China
| | - Sheng Jiang
- Shandong Wendeng Jizhen American Ginseng Industry Co., Ltd., Shandong Province, 264400. China
| | - Fenglan Zhao
- School of Pharmacy, Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, Key Laboratory of Molecular Pharmacology and Drug Evaluation (Yantai University), Ministry of Education, Yantai University, Yantai, 264005. China
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13
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Huang Y, Xu J, Wang Y, Lei Y, Mai Y, He X. Q43, a new triterpenoid extracted from Chinese acorn, exhibits pronounced anti-neuroinflammatory activity through the MAPK and NF-κB pathways. J Funct Foods 2021. [DOI: 10.1016/j.jff.2021.104566] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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14
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Lin SP, Wei JX, Hu JS, Bu JY, Zhu LD, Li Q, Liao HJ, Lin PY, Ye S, Chen SQ, Chen XH. Artemisinin improves neurocognitive deficits associated with sepsis by activating the AMPK axis in microglia. Acta Pharmacol Sin 2021; 42:1069-1079. [PMID: 33758353 PMCID: PMC8209200 DOI: 10.1038/s41401-021-00634-3] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2020] [Accepted: 02/26/2021] [Indexed: 12/13/2022] Open
Abstract
Sepsis is life-threatening organ dysfunction due to dysregulated systemic inflammatory and immune response to infection, often leading to cognitive impairments. Growing evidence shows that artemisinin, an antimalarial drug, possesses potent anti-inflammatory and immunoregulatory activities. In this study we investigated whether artemisinin exerted protective effect against neurocognitive deficits associated with sepsis and explored the underlying mechanisms. Mice were injected with LPS (750 μg · kg-1 · d-1, ip, for 7 days) to establish an animal model of sepsis. Artemisinin (30 mg · kg-1 · d-1, ip) was administered starting 4 days prior LPS injection and lasting to the end of LPS injection. We showed that artemisinin administration significantly improved LPS-induced cognitive impairments assessed in Morris water maze and Y maze tests, attenuated neuronal damage and microglial activation in the hippocampus. In BV2 microglial cells treated with LPS (100 ng/mL), pre-application of artemisinin (40 μΜ) significantly reduced the production of proinflammatory cytokines (i.e., TNF-α, IL-6) and suppressed microglial migration. Furthermore, we revealed that artemisinin significantly suppressed the nuclear translocation of NF-κB and the expression of proinflammatory cytokines by activating the AMPKα1 pathway; knockdown of AMPKα1 markedly abolished the anti-inflammatory effects of artemisinin in BV2 microglial cells. In conclusion, atemisinin is a potential therapeutic agent for sepsis-associated neuroinflammation and cognitive impairment, and its effect is probably mediated by activation of the AMPKα1 signaling pathway in microglia.
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Affiliation(s)
- Shao-Peng Lin
- Department of Emergency, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510260, China
| | - Jue-Xian Wei
- Department of Emergency, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510260, China
| | - Jia-Song Hu
- Department of Emergency, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510260, China
| | - Jing-Yi Bu
- Department of Emergency, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510260, China
| | - Li-Dong Zhu
- Department of Emergency, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510260, China
| | - Qi Li
- Department of Emergency, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510260, China
| | - Hao-Jun Liao
- Department of Emergency, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510260, China
| | - Pei-Yi Lin
- Department of Emergency, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510260, China
| | - Shan Ye
- Department of Geriatrics, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510260, China
| | - Sheng-Qiang Chen
- Institute of Neuroscience, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510260, China
| | - Xiao-Hui Chen
- Department of Emergency, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510260, China.
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15
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Wang Y, Lim YY, He Z, Wong WT, Lai WF. Dietary phytochemicals that influence gut microbiota: Roles and actions as anti-Alzheimer agents. Crit Rev Food Sci Nutr 2021; 62:5140-5166. [PMID: 33559482 DOI: 10.1080/10408398.2021.1882381] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
The last decide has witnessed a growing research interest in the role of dietary phytochemicals in influencing the gut microbiota. On the other hand, recent evidence reveals that dietary phytochemicals exhibit properties of preventing and tackling symptoms of Alzheimer's disease, which is a neurodegenerative disease that has also been linked with the status of the gut microbiota over the last decade. Till now, little serious discussions, however, have been made to link recent understanding of Alzheimer's disease, dietary phytochemicals and the gut microbiota together and to review the roles played by phytochemicals in gut dysbiosis induced pathologies of Alzheimer's disease. Deciphering these connections can provide insights into the development and future use of dietary phytochemicals as anti-Alzheimer drug candidates. This review aims at presenting latest evidence in the modulating role of phytochemicals in the gut microbiota and its relevance to Alzheimer's disease and summarizing the mechanisms behind the modulative activities. Limitations of current research in this field and potential directions will also be discussed for future research on dietary phytochemicals as anti-Alzheimer agents.
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Affiliation(s)
- Yi Wang
- School of Agriculture and Food Sciences, University of Queensland, St Lucia, Queensland, Australia.,School of Dentistry, University of Queensland, Herston, Queensland, Australia
| | - Yau-Yan Lim
- School of Science, Monash University, Bandar Sunway, Selangor, Malaysia
| | - Zhendan He
- College of Pharmacy, Shenzhen Technology University, Shenzhen, China
| | - Wing-Tak Wong
- Department of Applied Biology and Chemical Technology, Hong Kong Polytechnic University, Hong Kong Special Administrative Region, China
| | - Wing-Fu Lai
- Department of Applied Biology and Chemical Technology, Hong Kong Polytechnic University, Hong Kong Special Administrative Region, China.,School of Life and Health Sciences, The Chinese University of Hong Kong (Shenzhen), Shenzhen, China
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16
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DeRidder L, Sharma A, Liaw K, Sharma R, John J, Kannan S, Kannan RM. Dendrimer-tesaglitazar conjugate induces a phenotype shift of microglia and enhances β-amyloid phagocytosis. NANOSCALE 2021; 13:939-952. [PMID: 33479718 DOI: 10.1039/d0nr05958g] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Switching microglia from a disease exacerbating, 'pro-inflammatory' state into a neuroprotective, 'anti-inflammatory' phenotype is a promising strategy for addressing multiple neurodegenerative diseases. Pro-inflammatory microglia contribute to disease progression by releasing neurotoxic substances and accelerating pathogenic protein accumulation. PPARα and PPARγ agonists have both been shown to shift microglia from a pro-inflammatory ('M1-like') to an alternatively activated ('M2-like') phenotype. Such strategies have been explored in clinical trials for neurological diseases, such as Alzheimer's and Parkinson's disease, but have likely failed due to their poor blood-brain barrier (BBB) penetration. Hydroxyl-terminated polyamidoamine dendrimers (without the attachment of any targeting ligands) have been shown to cross the impaired BBB at the site of neuroinflammation and accumulate in activated microglia. Therefore, dendrimer conjugation of a PPARα/γ dual agonist may enable targeted phenotype switching of activated microglia. Here we present the synthesis and characterization of a novel dendrimer-PPARα/γ dual agonist conjugate (D-tesaglitazar). In vitro, D-tesaglitazar induces an 'M1 to M2' phenotype shift, decreases secretion of reactive oxygen species, increases expression of genes for phagocytosis and enzymatic degradation of pathogenic proteins (e.g. β-amyloid, α-synuclein), and increases β-amyloid phagocytosis. These results support further development of D-tesaglitazar towards translation for multiple neurodegenerative diseases, especially Alzheimer's and Parkinson's Disease.
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Affiliation(s)
- Louis DeRidder
- Center for Nanomedicine, Department of Ophthalmology, Wilmer Eye Institute Johns Hopkins University School of Medicine, Baltimore, MD 21231, USA. and Department of Chemical and Biomolecular Engineering, Johns Hopkins University, Baltimore, MD 21218, USA
| | - Anjali Sharma
- Center for Nanomedicine, Department of Ophthalmology, Wilmer Eye Institute Johns Hopkins University School of Medicine, Baltimore, MD 21231, USA.
| | - Kevin Liaw
- Center for Nanomedicine, Department of Ophthalmology, Wilmer Eye Institute Johns Hopkins University School of Medicine, Baltimore, MD 21231, USA. and Department of Chemical and Biomolecular Engineering, Johns Hopkins University, Baltimore, MD 21218, USA
| | - Rishi Sharma
- Center for Nanomedicine, Department of Ophthalmology, Wilmer Eye Institute Johns Hopkins University School of Medicine, Baltimore, MD 21231, USA.
| | - John John
- Center for Nanomedicine, Department of Ophthalmology, Wilmer Eye Institute Johns Hopkins University School of Medicine, Baltimore, MD 21231, USA. and Department of Biomedical Engineering, Johns Hopkins University, Baltimore, 21218, USA
| | - Sujatha Kannan
- Department of Anesthesiology and Critical Care Medicine, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA and Hugo W. Moser Research Institute at Kennedy Krieger, Inc., Baltimore, MD 21205, USA
| | - Rangaramanujam M Kannan
- Center for Nanomedicine, Department of Ophthalmology, Wilmer Eye Institute Johns Hopkins University School of Medicine, Baltimore, MD 21231, USA. and Department of Chemical and Biomolecular Engineering, Johns Hopkins University, Baltimore, MD 21218, USA and Hugo W. Moser Research Institute at Kennedy Krieger, Inc., Baltimore, MD 21205, USA
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17
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Zhang H, Li X, Huang A, Yan Z, Chen Y, Bie Z. PEI-assisted boronate affinity magnetic nanoparticle-based SELEX for efficient in vitro evolution of saponin-binding aptamers. RSC Adv 2021; 11:8775-8781. [PMID: 35423405 PMCID: PMC8695300 DOI: 10.1039/d1ra00889g] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2021] [Accepted: 02/23/2021] [Indexed: 12/11/2022] Open
Abstract
Branched polyethyleneimine assisted boronate affinity magnetic nanoparticle-based aptamer evolution platform.
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Affiliation(s)
- Hui Zhang
- Department of Chemistry
- Bengbu Medical University
- Bengbu 233000
- China
| | - Xue Li
- School of Pharmacy
- Bengbu Medical University
- Bengbu 233000
- China
| | - Ailan Huang
- Department of Chemistry
- Bengbu Medical University
- Bengbu 233000
- China
| | - Zhifeng Yan
- Department of Chemistry
- Bengbu Medical University
- Bengbu 233000
- China
| | - Yang Chen
- Department of Chemistry
- Bengbu Medical University
- Bengbu 233000
- China
- School of Pharmacy
| | - Zijun Bie
- Department of Chemistry
- Bengbu Medical University
- Bengbu 233000
- China
- School of Pharmacy
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18
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Zhao W, Huang A, Yan Z, Bie Z, Chen Y. Dual boronate affinity nanoparticles-based plasmonic immunosandwich assay for specific and sensitive detection of ginsenosides. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2020; 234:118258. [PMID: 32200230 DOI: 10.1016/j.saa.2020.118258] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/23/2020] [Revised: 03/12/2020] [Accepted: 03/14/2020] [Indexed: 06/10/2023]
Abstract
Ginsenoside is a large family of triterpenoid saponins from Panax ginseng with various important biological functions. It is crucial to develop effective analytical approach for qualitative and quantitative analysis of ginsenosides. Herein, a dual boronate affinity nanoparticles-based plasmonic immunosandwich assay has been developed for analysis of ginsenosides. An imprinted Au NPs-coated glass slide was prepared via controllable oriented surface imprinting and used as specific extraction substrate for target molecules. In the meantime, Ag-cored Raman nanotags were used for specific labeling of target molecules. The MIP-based recognitions ensured the specificity of the assay, while enhanced Raman signal derived from the imprinted substrate-target-nanotags sandwich-like complexes provided high sensitivity. The proposed immunosandwich assay exhibited wide linear range (10 ng/mL to 10 μg/mL), high sensitive (LOD: 1.7 ng/mL, LOQ: 5 ng/mL) and good reproducibility (RSD: 8.6%). For real-world applications, successful quantitative analysis of ginsenoside Re in ginseng was performed. Therefore, this dual boronate affinity nanoparticles-based plasmonic immunosandwich assay holds great promise in many important applications such as pharmaceutical analysis.
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Affiliation(s)
- Weiman Zhao
- School of Pharmacy, Bengbu Medical University, 2600 Donghai Avenue, Bengbu 233000, China
| | - Ailan Huang
- Department of Chemistry, Bengbu Medical University, 2600 Donghai Avenue, Bengbu 233000, China
| | - Zhifeng Yan
- Department of Chemistry, Bengbu Medical University, 2600 Donghai Avenue, Bengbu 233000, China
| | - Zijun Bie
- School of Pharmacy, Bengbu Medical University, 2600 Donghai Avenue, Bengbu 233000, China; Department of Chemistry, Bengbu Medical University, 2600 Donghai Avenue, Bengbu 233000, China
| | - Yang Chen
- School of Pharmacy, Bengbu Medical University, 2600 Donghai Avenue, Bengbu 233000, China; Department of Chemistry, Bengbu Medical University, 2600 Donghai Avenue, Bengbu 233000, China.
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19
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Hou J, Yun Y, Xue J, Jeon B, Kim S. Doxorubicin-induced normal breast epithelial cellular aging and its related breast cancer growth through mitochondrial autophagy and oxidative stress mitigated by ginsenoside Rh2. Phytother Res 2020; 34:1659-1669. [PMID: 32100342 DOI: 10.1002/ptr.6636] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2019] [Revised: 01/16/2020] [Accepted: 01/28/2020] [Indexed: 12/19/2022]
Abstract
Clinical dose of doxorubicin (100 nM) induced cellular senescence and various secretory phenotypes in breast cancer and normal epithelial cells. Herein, we reported the detailed mechanism underlying ginsenoside Rh2-mediated NF-κB inhibition, and mitophagy promotion were evaluated by antibody array assay, western blotting analysis, and immunocytostaining. Ginsenoside Rh2 suppressed the protein levels of TRAF6, p62, phosphorylated IKK, and IκB, which consequently inactivated NF-κB activity. Rh2-mediated secretory phenotype was delineated by the suppressed IL-8 secretion. Senescent epithelial cells showed increased level of reactive oxygen species (ROS), which was significantly abrogated by Rh2, with upregulation on SIRT 3 and SIRT 5 and subsequent increase in SOD1 and SOD2. Rh2 remarkably favored mitophagy by the increased expressions of PINK1 and Parkin and decreased level of PGC-1α. A decreased secretion of IL-8 challenged by mitophagy inhibitor Mdivi-1 with an NF-κB luciferase system was confirmed. Importantly, secretory senescent epithelial cells promoted the breast cancer (MCF-7) proliferation while decreased the survival of normal epithelial cells demonstrated by co-culture system, which was remarkably alleviated by ginsenoside Rh2 treatment. These data included ginsenoside Rh2 regulated ROS and mitochondrial autophagy, which were in large part attributed to secretory phenotype of senescent breast epithelial cells induced by doxorubicin. These findings also suggested that ginsenoside Rh2 is a potential treatment candidate for the attenuation of aging related disease.
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Affiliation(s)
- Jingang Hou
- Intelligent Synthetic Biology Center, Daejeon, Republic of Korea
| | - Yeejin Yun
- Department of Biological Sciences, KAIST, Daejeon, Republic of Korea
| | - Jianjie Xue
- Qingdao Municipal Center for Disease Control and Prevention, Qingdao, China.,Qingdao Institute of Preventive Medicine, Qingdao, China
| | - Byeongmin Jeon
- Department of Biological Sciences, KAIST, Daejeon, Republic of Korea
| | - Sunchang Kim
- Intelligent Synthetic Biology Center, Daejeon, Republic of Korea.,Department of Biological Sciences, KAIST, Daejeon, Republic of Korea
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20
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Zhou XY, Liu J, Xu ZP, Fu Q, Wang PQ, Zhang H. Dexmedetomidine inhibits the lipopolysaccharide-stimulated inflammatory response in microglia through the pathway involving TLR4 and NF-κB. Kaohsiung J Med Sci 2019; 35:750-756. [PMID: 31419076 DOI: 10.1002/kjm2.12112] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2019] [Accepted: 07/10/2019] [Indexed: 12/17/2022] Open
Abstract
To investigate the effects of dexmedetomidine (DEX) on lipopolysaccharide (LPS)-induced neuroinflammation in BV2 microglia. BV2 microglial cells were treated with various concentrations of DEX (0, 1, 10, and 100 ng/mL) for 1 hour, and then incubated in the presence or absence of 0.1 μg/mL LPS for 24 hours. Cell viability was assessed by Cell Counting Kit-8 assays. The expression levels of IL-1β, IL-6, and TNF-α were determined using enzyme-linked immunosorbent assay (ELISA). The expressions of TLR4 and NF-кB were detected by western blotting. Moreover, BV2 microglial cells were transfected with small interfering RNA (siRNA) specific for TLR4 (si-TLR4 group) or negative control siRNA (si-NC group) for 24 hours, followed by exposing to 0.1 μg/mL LPS for 24 hours. TLR4, IL-1β, IL-6, and TNF-α expressions were detected by quantitative real-time reverse transcription-polymerase chain reaction (RT-qPCR). There were no significant differences in cell viability with the different treatments. Compared with the control group, LPS markedly increased the release of IL-6, TNF-α, IL-1β, TLR4, and NF-κB, but these increases were significantly attenuated by pretreatment with 10 or 100 ng/mL DEX in a dose-dependent relationship, but not with 1 ng/mL DEX. Gene expression levels of IL-1β, IL-6, and TNF-α were obviously upregulated in si-NC group and si-TLR4 group when cells were exposed to 0.1 μg/mL LPS for 24 hours. Meanwhile, si-TLR4 group had significantly lower IL-1β, IL-6, and TNF-α expressions than si-NC group. The anti-inflammatory effects of DEX on LPS-induced BV2 microglia may be mediated through pathway involving TLR4 and NF-κB.
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Affiliation(s)
- Xue-Yue Zhou
- School of Clinical Medicine, Tsinghua University, Beijing, China.,Department of Anesthesiology, Beijing Tsinghua Changgung Hospital, Beijing, China
| | - Jing Liu
- Anesthesia and Operation Center, Chinese PLA General Hospital, Beijing, China
| | - Zhi-Peng Xu
- Anesthesia and Operation Center, Chinese PLA General Hospital, Beijing, China
| | - Qiang Fu
- Anesthesia and Operation Center, Chinese PLA General Hospital, Beijing, China
| | - Pei-Qi Wang
- Anesthesia and Operation Center, Chinese PLA General Hospital, Beijing, China
| | - Hong Zhang
- Anesthesia and Operation Center, Chinese PLA General Hospital, Beijing, China
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21
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Chen J, Li D, Luo E. Telbivudine antagonizes TLR4 to inhibit the epithelial-to-mesenchymal transition in human proximal tubular epithelial cells in vitro. Int Immunopharmacol 2019; 74:105683. [PMID: 31220697 DOI: 10.1016/j.intimp.2019.105683] [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] [Received: 05/06/2019] [Accepted: 06/03/2019] [Indexed: 01/17/2023]
Abstract
The antiviral drug Telbivudine (LdT) has an extrahepatic pharmaceutical effect that improves renal inflammation and tubulointerstitial fibrosis. However, the exact mechanism of action requires further investigation. Toll-like receptor 4 (TLR4) is involved in several physiological processes, including inflammation, fibrosis, innate immunity, and hepatitis B virus-associated glomerulonephritis. The epithelial-to-mesenchymal transition (EMT) is the characteristic pathological change in tubulointerstitial fibrosis. In this study, we used transforming growth factor-β (TGF-β) to stimulate human proximal tubular epithelial (HK-2) cells to investigate the effects of LdT in EMT. In addition, we treated HK-2 cells with a TLR4 agonist, lipopolysaccharide, to determine the effect of LdT on TLR4. The results indicated that LdT inhibited the expression of TLR4 and its downstream proteins. It also decreased the release of inflammatory factors, downregulated the TGF-β/Smad signaling pathway, and reversed the EMT changes seen in HK-2 cells. In conclusion, LdT antagonized TLR4 to inhibit EMT in proximal tubular epithelial cells.
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Affiliation(s)
- Jie Chen
- Department of Nephrology, Shengjing Hospital of China Medical University, 36 Sanhao Street, Shenyang 110004, China
| | - Detian Li
- Department of Nephrology, Shengjing Hospital of China Medical University, 36 Sanhao Street, Shenyang 110004, China
| | - Enjie Luo
- Department of Microbiology and Parasitology, College of Basic Medical Sciences, China Medical University, 77 Puhe Road, Shenyang 110122, China.
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22
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Xu X, Jin L, Jiang T, Lu Y, Aosai F, Piao HN, Xu GH, Jin CH, Jin XJ, Ma J, Piao LX. Ginsenoside Rh2 attenuates microglial activation against toxoplasmic encephalitis via TLR4/NF-κB signaling pathway. J Ginseng Res 2019; 44:704-716. [PMID: 32913400 PMCID: PMC7471213 DOI: 10.1016/j.jgr.2019.06.002] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2019] [Revised: 06/03/2019] [Accepted: 06/05/2019] [Indexed: 02/06/2023] Open
Abstract
Background Ginsenoside Rh2 (GRh2) is a characterized component in red ginseng widely used in Korea and China. GRh2 exhibits a wide range of pharmacological activities, such as anti-inflammatory, antioxidant, and anticancer properties. However, its effects on Toxoplasma gondii (T. gondii) infection have not been clarified yet. Methods The effect of GRh2 against T. gondii was assessed under in vitro and in vivo experiments. The BV2 cells were infected with tachyzoites of T. gondii RH strain, and the effects of GRh2 were evaluated by MTT assay, morphological observations, immunofluorescence staining, a trypan blue exclusion assay, reverse transcription PCR, and Western blot analyses. The in vivo experiment was conducted with BALB/c mice inoculated with lethal amounts of tachyzoites with or without GRh2 treatment. Results and conclusion The GRh2 treatment significantly inhibited the proliferation of T. gondii under in vitro and in vivo studies. Furthermore, GRh2 blocked the activation of microglia and specifically decreased the release of inflammatory mediators in response to T. gondii infection through TLR4/NF-κB signaling pathway. In mice, GRh2 conferred modest protection from a lethal dose of T. gondii. After the treatment, the proliferation of tachyzoites in the peritoneal cavity of infected mice markedly decreased. Moreover, GRh2 also significantly decreased the T. gondii burden in mouse brain tissues. These findings indicate that GRh2 exhibits an anti–T. gondii effect and inhibits the microglial activation through TLR4/NF-κB signaling pathway, providing the basic pharmacological basis for the development of new drugs to treat toxoplasmic encephalitis.
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Affiliation(s)
- Xiang Xu
- Key Laboratory of Natural Resources of Changbai Mountain & Functional Molecules, Ministry of Education, Molecular Medicine Research Center, College of Pharmacy, Yanbian University, Jilin, China
| | - Lan Jin
- Key Laboratory of Natural Resources of Changbai Mountain & Functional Molecules, Ministry of Education, Molecular Medicine Research Center, College of Pharmacy, Yanbian University, Jilin, China
| | - Tong Jiang
- Key Laboratory of Natural Resources of Changbai Mountain & Functional Molecules, Ministry of Education, Molecular Medicine Research Center, College of Pharmacy, Yanbian University, Jilin, China
| | - Ying Lu
- Key Laboratory of Natural Resources of Changbai Mountain & Functional Molecules, Ministry of Education, Molecular Medicine Research Center, College of Pharmacy, Yanbian University, Jilin, China
| | - Fumie Aosai
- Department of Infection and Host Defense, Graduate School of Medicine, Shinshu University, Matsumoto, Japan
| | - Hu-Nan Piao
- Department of Neurology, Affliated Hospital of Yanbian University, Jilin, China
| | - Guang-Hua Xu
- Key Laboratory of Natural Resources of Changbai Mountain & Functional Molecules, Ministry of Education, Molecular Medicine Research Center, College of Pharmacy, Yanbian University, Jilin, China
| | - Cheng-Hua Jin
- Key Laboratory of Natural Resources of Changbai Mountain & Functional Molecules, Ministry of Education, Molecular Medicine Research Center, College of Pharmacy, Yanbian University, Jilin, China
| | - Xue-Jun Jin
- Key Laboratory of Natural Resources of Changbai Mountain & Functional Molecules, Ministry of Education, Molecular Medicine Research Center, College of Pharmacy, Yanbian University, Jilin, China
| | - Juan Ma
- Key Laboratory of Natural Resources of Changbai Mountain & Functional Molecules, Ministry of Education, Molecular Medicine Research Center, College of Pharmacy, Yanbian University, Jilin, China
| | - Lian-Xun Piao
- Key Laboratory of Natural Resources of Changbai Mountain & Functional Molecules, Ministry of Education, Molecular Medicine Research Center, College of Pharmacy, Yanbian University, Jilin, China
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Connection between Systemic Inflammation and Neuroinflammation Underlies Neuroprotective Mechanism of Several Phytochemicals in Neurodegenerative Diseases. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2018; 2018:1972714. [PMID: 30402203 PMCID: PMC6196798 DOI: 10.1155/2018/1972714] [Citation(s) in RCA: 76] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/15/2018] [Revised: 09/05/2018] [Accepted: 09/10/2018] [Indexed: 12/15/2022]
Abstract
Oxidative damage, mitochondrial dysfunction, and neuroinflammation are strongly implicated in the pathogenesis of neurodegenerative diseases including Alzheimer's disease (AD) and Parkinson's disease (PD), and a substantial portion of elderly population at risk of these diseases requires nutritional intervention to benefit health due to lack of clinically relevant drugs. To this end, anti-inflammatory mechanisms of several phytochemicals such as curcumin, resveratrol, propolis, polyunsaturated fatty acids (PUFAs), and ginsenosides have been extensively studied. However, correlation of the phytochemicals with neuroinflammation or brain nutrition is not fully considered, especially in their therapeutic mechanism for neuronal damage or dysfunction. In this article, we review the advance in antioxidative and anti-inflammatory effects of phytochemicals and discuss the potential communication with brain microenvironment by improved gastrointestinal function, enhanced systemic immunity, and neuroprotective outcomes. These data show that phytochemicals may modulate and suppress neuroinflammation of the brain by several approaches: (1) reducing systemic inflammation and infiltration via the blood-brain barrier (BBB), (2) direct permeation into the brain parenchyma leading to neuroprotection, (3) enhancing integrity of disrupted BBB, and (4) vagal reflex-mediated nutrition and protection by gastrointestinal function signaling to the brain. Therefore, many phytochemicals have multiple potential neuroprotective approaches contributing to therapeutic benefit for pathogenesis of neurodegenerative diseases, and development of strategies for preventing these diseases represents a considerable public health concern and socioeconomic burden.
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Baatar D, Siddiqi MZ, Im WT, Ul Khaliq N, Hwang SG. Anti-Inflammatory Effect of Ginsenoside Rh 2-Mix on Lipopolysaccharide-Stimulated RAW 264.7 Murine Macrophage Cells. J Med Food 2018; 21:951-960. [PMID: 30239266 DOI: 10.1089/jmf.2018.4180] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Ginsenoside Rh2, a protopanaxadiol saponin from ginseng, has been reported to have strong anti-inflammatory activity. However, the concentration of ginsenoside Rh2 is very low (>0.001%) in the total ginseng extracted, which is not enough for production despite its high pharmacological effects. Thus, in this study, we evaluated the anti-inflammatory effect of ginsenoside Rh2-mix (GRh2-mix) on lipopolysaccharide (LPS)-stimulated RAW 264.7 murine macrophage cells. From the high-performance liquid chromatography analysis, it was confirmed that the GRh2-mix was mainly composed of 20(S)-Rh2, 20(R)-Rh2, Rk2, and Rh3. The LPS-stimulated RAW 264.7 cells were treated with different concentrations of GRh2-mix (100, 200, 400, 500 μg/mL). The cell counting kit-8 assay showed that the GRh2-mix treatment increased cell proliferation in LPS-stimulated RAW 264.7 murine macrophage cells. The GRh2-mix inhibited nitric oxide production in a dose-dependent manner, suggesting an anti-inflammatory effect. Furthermore, reverse transcription polymerase chain reaction and Western blot results also indicated that the GRh2-mix suppressed inflammatory genes such as iNOS, TNF-α, COX-2, IL-1β, IL-6, and NF-κB. In summary, these results suggest that the GRh2-mix exhibits anti-inflammatory activity via the downregulation of the NF-κB pathway and has high efficiency with a simple production procedure.
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Affiliation(s)
- Delgerzul Baatar
- 1 Department of Animal Life and Environmental Science, and Hankyong National University , Anseong-si, Gyeonggi-do, Korea
| | - Muhammad Zubair Siddiqi
- 2 Department of Biotechnology, Hankyong National University , Anseong-si, Gyeonggi-do, Korea.,3 Center for Genetic Information, Graduate School of Bio and Information Technology, Hankyong National University , Anseong-si, Gyeonggi-do, Korea
| | - Wan Taek Im
- 2 Department of Biotechnology, Hankyong National University , Anseong-si, Gyeonggi-do, Korea.,3 Center for Genetic Information, Graduate School of Bio and Information Technology, Hankyong National University , Anseong-si, Gyeonggi-do, Korea
| | | | - Seong Gu Hwang
- 1 Department of Animal Life and Environmental Science, and Hankyong National University , Anseong-si, Gyeonggi-do, Korea
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Ginsenosides: the need to move forward from bench to clinical trials. J Ginseng Res 2018; 43:361-367. [PMID: 31308807 PMCID: PMC6606839 DOI: 10.1016/j.jgr.2018.09.001] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2018] [Revised: 09/04/2018] [Accepted: 09/04/2018] [Indexed: 12/02/2022] Open
Abstract
Panax ginseng, known as Koran ginseng, one of the most commonly used traditional plants, has been demonstrated to show a wide range of pharmacological applications. Ginsenosides are the major active ingredients found in ginseng and are responsible for the biological and pharmacological activities, such as antioxidation, antiinflammation, vasorelaxation, and anticancer actions. Existing studies have mostly focused on identifying and purifying single ginsenosides and investigating pharmacological activities and molecular mechanisms in cells and animal models. However, ginsenoside studies based on clinical trials have been very limited. Therefore, this review aimed to discuss the currently available clinical trials on ginsenosides and provide insights and future directions for developing ginsenosides as efficacious and safe drugs for human disease.
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Hsieh YH, Deng JS, Chang YS, Huang GJ. Ginsenoside Rh2 Ameliorates Lipopolysaccharide-Induced Acute Lung Injury by Regulating the TLR4/PI3K/Akt/mTOR, Raf-1/MEK/ERK, and Keap1/Nrf2/HO-1 Signaling Pathways in Mice. Nutrients 2018; 10:nu10091208. [PMID: 30200495 PMCID: PMC6163254 DOI: 10.3390/nu10091208] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2018] [Revised: 08/16/2018] [Accepted: 08/30/2018] [Indexed: 12/19/2022] Open
Abstract
The anti-inflammatory effect of ginsenoside Rh2 (GRh2) has labeled it as one of the most important ginsenosides. The purpose of this study was to identify the anti-inflammatory and antioxidant effects of GRh2 using a lipopolysaccharide (LPS) challenge lung-injury animal model. GRh2 reduced LPS-induced proinflammatory mediator nitric oxide (NO), tumor necrosis factor-alpha, interleukin (IL)-1β, and anti-inflammatory cytokines (IL-4, IL-6, and IL-10) production in lung tissues. GRh2 treatment decreased the histological alterations in the lung tissues and bronchoalveolar lavage fluid (BALF) protein content; total cell number also reduced in LPS-induced lung injury in mice. Moreover, GRh2 blocked iNOS, COX-2, the phosphorylation of IκB-α, ERK, JNK, p38, Raf-1, and MEK protein expression, which corresponds with the growth of HO-1, Nrf-2, catalase, SOD, and GPx expression in LPS-induced lung injury. An in vivo experimental study suggested that GRh2 has anti-inflammatory effects, and has potential therapeutic efficacy in major anterior segment lung diseases.
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Affiliation(s)
- Yung-Hung Hsieh
- Department of Chinese Pharmaceutical Sciences and Chinese Medicine Resources, China Medical University, Taichung 413, Taiwan.
- Department of Pharmacy, Kuang Tien General Hospital, Taichung 433, Taiwan.
- Taichung City New Pharmacist Association, Taichung 420, Taiwan.
| | - Jeng-Shyan Deng
- Department of Food Nutrition and Health Biotechnology, Asia University, Taichung 413, Taiwan.
| | - Yuan-Shiun Chang
- Department of Chinese Pharmaceutical Sciences and Chinese Medicine Resources, China Medical University, Taichung 413, Taiwan.
| | - Guan-Jhong Huang
- Department of Chinese Pharmaceutical Sciences and Chinese Medicine Resources, China Medical University, Taichung 413, Taiwan.
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Gao Q, Zheng J. Ginsenoside Rh2 inhibits prostate cancer cell growth through suppression of microRNA-4295 that activates CDKN1A. Cell Prolif 2018; 51:e12438. [PMID: 29457293 DOI: 10.1111/cpr.12438] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2017] [Accepted: 12/23/2017] [Indexed: 12/22/2022] Open
Abstract
OBJECTIVES Ginsenoside Rh2 (GRh2) has demonstrative therapeutic effects on a variety of diseases, including some tumours. However, the effects of GRh2 on prostate cancer (PC) cell growth remain unknown, and were, thus, addressed in the present study. MATERIALS AND METHODS PC3 and DU145 PC cell lines were exposed to GRh2. Cell proliferation was assessed in an MTT assay and by BrdU incorporation. Apoptosis of the cells were assessed by TUNEL staining. Total RNA was assessed by RT-qPCR. Protein levels were assessed by Western blotting. Bioinformatics and dual luciferase reporter assay were applied to determine the functional binding of miRNA to mRNA of target gene. RESULTS GRh2 dose-dependently decreased PC cell proliferation, but did not alter cell apoptosis. Mechanistically, GRh2 dose-dependently increased the protein, but not mRNA of a cell-cycle suppressor CDKN1A in PC cells, suggesting the presence of microRNA (miRNA)-mediated protein translation control of CDKN1A by GRh2. In all candidate miRNAs that bind to 3'-UTR of CDKN1A, miR-4295 was specifically found to be suppressed dose-dependently by GRh2 in PC cells. Moreover, miR-4295 bound CDKN1A to suppress its protein translation. Furthermore, cell proliferation in PC cells that overexpressed miR-4295 did not alter in response to GRh2. CONCLUSIONS GRh2 may inhibit PC cell growth through suppression of microRNA-4295 that activates CDKN1A.
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Affiliation(s)
- Qiruo Gao
- Department of Urology, Shanghai 10th People's Hospital, Tongji University School of Medicine, Shanghai, China
| | - Junhua Zheng
- Department of Urology, Shanghai 10th People's Hospital, Tongji University School of Medicine, Shanghai, China
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Park SY, Choi MH, Li M, Li K, Park G, Choi YW. AMPK/Nrf2 signaling is involved in the anti-neuroinflammatory action of Petatewalide B from Petasites japonicus against lipopolysaccharides in microglia. Immunopharmacol Immunotoxicol 2018; 40:232-241. [PMID: 29433360 DOI: 10.1080/08923973.2018.1434791] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
OBJECTIVES Abnormal microglia secrete neuroinflammatory factors that play a pivotal role in neurodegenerative-disorder development. Thus, regulating abnormal microglia-activation could be a promising therapeutic strategy. The purposes of this study included investigating the effect of Petatewalide B on lipopolysaccharide- (LPS-) stimulated microglia and exploring the role of the AMPK/Nrf2- (adenosine monophosphate-activated protein kinase/nuclear factor erythroid 2-related factor 2) signaling pathway in the anti-neuroinflammatory function of Petatewalide B. METHODS We divided the microglia into four groups: a control group, a Petatewalide B-treated group, an LPS-treated group, and an LPS and Petatewalide B-treated group. The four groups of microglia were experimented with, using the NO, ELISA, and promoter assays, and western blotting was conducted to determine LPS-stimulated neuroinflammatory responses. RESULTS We found that pretreatment with Petatewalide B strongly alleviates interleukin- (IL-) 1β, IL-6, and tumor-necrosis-factor-α (TNF-α) production, and suppresses iNOS and nitric oxide (NO) overexpression in LPS-stimulated microglia. The AMPK/Nrf2-signaling pathway is important for inducing anti-neuroinflammatory responses. Mechanistic studies report that Petatewalide B increases nuclear-Nrf2 translocation, and heme oxygenase-1 (HO-1) and NAD(P)H: quinone oxidoreductase 1 (NQO1) expression in a dose-dependent manner. Furthermore, Petatewalide B significantly up-regulates HO-1 and NQO1 by specifically improving antioxidant-response-elements-transcription activity. We then investigated whether Nrf2/HO-1/NQO1 contribute to the anti-neuroinflammatory properties of Petatewalide B. Nrf2, HO-1, and NQO1 small-integrating-ribonucleic-acids (siRNAs) significantly blocked Petatewalide B-attenuated iNOS-promoter-activity in LPS-stimulated microglia. Furthermore, Petatewalide B also up-regulated AMPK-phosphorylation in a dose-dependent manner. We next evaluated whether blocking AMPK-phosphorylation using an inhibitor (compound C) would critically affect anti-neuroinflammatory responses. We found that the AMPK-phosphorylation is associated with nuclear-Nrf2 translocation and elevated HO-1 and NQO1 expression levels. Our data also showed that AMPK-inhibitor pretreatment significantly reverses Petatewalide B-attenuated iNOS-promoter-activity in LPS-stimulated microglia. CONCLUSIONS Our findings provide the possible mechanism of the anti-neuroinflammatory properties of Petatewalide B that result from beneficial responses in the AMPK/Nrf2-signaling pathway.
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Affiliation(s)
- Sun Young Park
- a Bio-IT Fusion Technology Research Institute, Pusan National University , Busan , Korea
| | - Min Hyun Choi
- b Department of Horticultural Bioscience , Pusan National University , Myrang , Korea
| | - Mei Li
- b Department of Horticultural Bioscience , Pusan National University , Myrang , Korea
| | - Ke Li
- b Department of Horticultural Bioscience , Pusan National University , Myrang , Korea
| | - Geuntae Park
- c Department of Nanomaterials Engineering , Pusan National University , Busan , Korea
| | - Young-Whan Choi
- b Department of Horticultural Bioscience , Pusan National University , Myrang , Korea
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Park SY, Choi MH, Park G, Choi YW. Petasites japonicus bakkenolide B inhibits lipopolysaccharide‑induced pro‑inflammatory cytokines via AMPK/Nrf2 induction in microglia. Int J Mol Med 2017; 41:1683-1692. [PMID: 29286084 DOI: 10.3892/ijmm.2017.3350] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2017] [Accepted: 12/21/2017] [Indexed: 11/06/2022] Open
Abstract
Abnormal neuroinflammatory responses have diverse roles in neuronal death, oxidative stress and neurodegenerative diseases, such as Alzheimer's and Parkinson's disease. Microglia regulate these responses via molecular signaling cascades that involve inflammatory cytokines and complement proteins. Bakkenolide B from Petasites japonicus exhibits significant anti‑inflammatory and anti‑allergic bioactivities. The present study investigated the anti‑neuroinflammatory effects and underlying molecular mechanisms of bakkenolide B on the lipopolysaccharide (LPS)‑mediated neuroinflammatory response in microglia. The results indicated that bakkenolide B pretreatment significantly reduced microglial production of interleukin (IL)‑1β, IL‑6, IL‑12, and tumor necrosis factor (TNF)‑α. Furthermore, this effect was associated with reduced production of reactive oxygen species. The role of bakkenolide B was then evaluated in the upregulation of nuclear factor erythroid 2‑related factor 2 (Nrf2)/antioxidant response element (ARE) signaling pathways. The results suggested that bakkenolide B significantly upregulated Nrf2/ARE pathway‑related downstream factors, such as NADPH dehydrogenase quinone‑1 (NQO‑1) and heme oxygenase‑1 (HO‑1). Silencing of Nrf2, HO‑1 and NQO‑1 diminished the anti‑neuroinflammatory properties of bakkenolide B. AMP‑activated protein kinase (AMPK) activates the Nrf2/ARE signaling pathway, and the results of the present study demonstrated that bakkenolide B increased AMPK phosphorylation in microglia. In addition, an AMPK inhibitor abolished the bakkenolide B‑induced increase in nuclear Nrf2, NQO‑1 and HO‑1 protein expression. Finally, an AMPK inhibitor diminished the bakkenolide B‑mediated inhibition of LPS‑stimulated TNF‑α production. Taken together, the present results demonstrate that bakkenolide B may be an effective and therapeutically relevant AMPK/Nrf2 pathway activator for suppressing abnormal neuro-inflammation in neurodegenerative diseases.
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Affiliation(s)
- Sun Young Park
- Bio‑IT Fusion Technology Research Institute, Pusan National University, Busan, South Gyeongsang 46241, Republic of Korea
| | - Min Hyun Choi
- Department of Horticultural Bioscience, Pusan National University, Miryang, South Gyeongsang 50463, Republic of Korea
| | - Geuntae Park
- Department of Nanomaterials Engineering, Pusan National University, Busan, South Gyeongsang 46241, Republic of Korea
| | - Young-Whan Choi
- Department of Horticultural Bioscience, Pusan National University, Miryang, South Gyeongsang 50463, Republic of Korea
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Kim JH, Kim M, Yun SM, Lee S, No JH, Suh DH, Kim K, Kim YB. Ginsenoside Rh2 induces apoptosis and inhibits epithelial-mesenchymal transition in HEC1A and Ishikawa endometrial cancer cells. Biomed Pharmacother 2017; 96:871-876. [DOI: 10.1016/j.biopha.2017.09.033] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2017] [Revised: 09/05/2017] [Accepted: 09/08/2017] [Indexed: 12/13/2022] Open
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KIM JH, CHOI JS. Effect of Ginsenoside Rh-2 via Activation of Caspase-3 and Bcl-2-Insensitive Pathway in Ovarian Cancer Cells. Physiol Res 2016; 65:1031-1037. [DOI: 10.33549/physiolres.933367] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
Ginsenoside has been reported to have therapeutic effects for some types of cancer, but its effect on ovarian cancer cells has not been evaluated. In this study, we monitored the effects of ginsenoside-Rh2 (Rh2) on the inhibition of cell proliferation and the apoptotic process in the ovarian cancer cell line SKOV3 using an MTT assay and TUNEL assay. We found that Rh2 inhibited cell proliferation and significantly induced apoptosis. We confirmed the apoptotic effects of Rh2 using western blot analysis of apoptosis-related proteins. Specifically, the levels of cleaved poly ADP ribose polymerase (PARP) and cleaved caspase-3 significantly increased in SKOV3 cells treated with Rh2. Therefore, Rh2 clearly suppressed the growth of SKOV3 cells in vitro, which was associated with induction of the apoptosis pathway. Moreover, the migration assay showed that Rh2 inhibited the invasive ability of SKOV3 cells. Taken together, our results suggest that Rh2 has anticancer effects in SKOV3 cells through inhibition of cell proliferation and induction of apoptosis. Considering the therapeutic potential of Rh2, more studies should be carried out to facilitate the future application of this natural product as a potential anti-cancer agent.
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Affiliation(s)
| | - J.-S. CHOI
- Department of Biomedical Laboratory Science, Far East University, Eumseong, Korea
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Kalsbeek MJT, Mulder L, Yi CX. Microglia energy metabolism in metabolic disorder. Mol Cell Endocrinol 2016; 438:27-35. [PMID: 27687525 DOI: 10.1016/j.mce.2016.09.028] [Citation(s) in RCA: 49] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/20/2016] [Revised: 09/23/2016] [Accepted: 09/26/2016] [Indexed: 12/22/2022]
Abstract
Microglia are the resident macrophages of the CNS, and are in charge of maintaining a healthy microenvironment to ensure neuronal survival. Microglia carry out a non-stop patrol of the CNS, make contact with neurons and look for abnormalities, all of which requires a vast amount of energy. This non-signaling energy demand increases after activation by pathogens, neuronal damage or other kinds of stimulation. Of the three major energy substrates - glucose, fatty acids and glutamine - glucose is crucial for microglia survival and several glucose transporters are expressed to supply sufficient glucose influx. Fatty acids are another source of energy for microglia and have also been shown to strongly influence microglial immune activity. Glutamine, although possibly suitable for use as an energy substrate by microglia, has been shown to have neurotoxic effects when overloaded. Microglial fuel metabolism might be associated with microglial reactivity under different pathophysiological conditions and a microglial fuel switch may thus be the underlying cause of hypothalamic dysregulation, which is associated with obesity.
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Affiliation(s)
- Martin J T Kalsbeek
- Department of Endocrinology and Metabolism, Academic Medical Center (AMC), University of Amsterdam (UvA), Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands.
| | - Laurie Mulder
- Department of Endocrinology and Metabolism, Academic Medical Center (AMC), University of Amsterdam (UvA), Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands
| | - Chun-Xia Yi
- Department of Endocrinology and Metabolism, Academic Medical Center (AMC), University of Amsterdam (UvA), Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands
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Yayeh T, Yun K, Jang S, Oh S. Morphine dependence is attenuated by red ginseng extract and ginsenosides Rh2, Rg3, and compound K. J Ginseng Res 2016; 40:445-452. [PMID: 27746699 PMCID: PMC5052441 DOI: 10.1016/j.jgr.2016.08.006] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2016] [Revised: 08/09/2016] [Accepted: 08/12/2016] [Indexed: 11/26/2022] Open
Abstract
BACKGROUND Red ginseng and ginsenosides have shown plethoric effects against various ailments. However, little is known regarding the effect of red ginseng on morphine-induced dependence and tolerance. We therefore investigated the effect of red ginseng extract (RGE) and biotransformed ginsenosides Rh2, Rg3, and compound K on morphine-induced dependence in mice and rats. METHODS While mice were pretreated with RGE and then morphine was injected intraperitoneally, rats were infused with ginsenosides and morphine intracranially for 7 days. Naloxone-induced morphine withdrawal syndrome was estimated and conditioned place preference test was performed for physical and psychological dependence, respectively. Western blotting was used to measure protein expressions. RESULTS Whereas RGE inhibited the number of naloxone-precipitated jumps and reduced conditioned place preference score, it restored the level of glutathione in mice. Likewise, ginsenosides Rh2, Rg3, and compound K attenuated morphine-dependent behavioral patterns such as teeth chattering, grooming, wet-dog shake, and escape behavior in rats. Moreover, activated N-methyl-D-aspartate acid receptor subunit 1 and extracellular signal-regulated kinase in the frontal cortex of rats, and cultured cortical neurons from mice were downregulated by ginsenosides Rh2, Rg3, and compound K despite their differential effects. CONCLUSION RGE and biotransformed ginsenosides could be considered as potential therapeutic agents against morphine-induced dependence.
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Affiliation(s)
| | | | | | - Seikwan Oh
- Department of Molecular Medicine, School of Medicine, Ewha Womans University, Seoul, Korea
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