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Naidu G, Tripathi DK, Nagar N, Mishra A, Poluri KM. Targeting chemokine-receptor mediated molecular signaling by ethnopharmacological approaches. JOURNAL OF ETHNOPHARMACOLOGY 2024; 325:117837. [PMID: 38310985 DOI: 10.1016/j.jep.2024.117837] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Revised: 12/07/2023] [Accepted: 01/26/2024] [Indexed: 02/06/2024]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Infection and inflammation are critical to global human health status and the goal of current pharmacological interventions intends formulating medications/preventives as a measure to deal with this situation. Chemokines and their cognate receptors are major regulatory molecules in many of these ailments. Natural products have been a keen source to the drug development industry, every year contributing significantly to the growing list of FDA approved drugs. A multiverse of natural resource is employed as a part of curative regimen in folk/traditional/ethnomedicine which can be employed to discover, repurpose, and design potent medications for the diseases of clinical concern. AIM OF THE STUDY This review aims to systematically document the ethnopharmacologically active agents targeting the infectious-inflammatory diseases through the chemokine-receptor nexus. MATERIALS AND METHODS Articles related to chemokine/receptor modulating ethnopharmacological anti-inflammatory, anti-infectious natural sources, bioactive compounds, and formulations have been examined with special emphasis on women related diseases. The available literature has been thoroughly scrutinized for the application of traditional medicines in chemokine associated experimental methods, their regulatory outcomes, and pertinence to women's health wherever applicable. Moreover, the potential traditional regimens under clinical trials have been critically assessed. RESULTS A systematic and comprehensive review on the chemokine-receptor targeting ethnopharmaceutics from the available literature has been provided. The article discusses the implication of traditional medicine in the chemokine system dynamics in diverse infectious-inflammatory disorders such as cardiovascular diseases, allergic diseases, inflammatory diseases, neuroinflammation, and cancer. On this note, critical evaluation of the available data surfaced multiple diseases prevalent in women such as osteoporosis, rheumatoid arthritis, breast cancer, cervical cancer and urinary tract infection. Currently there is no available literature highlighting chemokine-receptor targeting using traditional medicinal approach from women's health perspective. Moreover, despite being potent in vitro and in vivo setups there remains a gap in clinical translation of these formulations, which needs to be strategically and scientifically addressed to pave the way for their successful industrial translation. CONCLUSIONS The review provides an optimistic global perspective towards the applicability of ethnopharmacology in chemokine-receptor regulated infectious and inflammatory diseases with special emphasis on ailments prevalent in women, consecutively addressing their current status of clinical translation and future directions.
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Affiliation(s)
- Goutami Naidu
- Department of Biosciences and Bioengineering, Indian Institute of Technology Roorkee, Roorkee, 247667, Uttarakhand, India.
| | - Deepak Kumar Tripathi
- Department of Biosciences and Bioengineering, Indian Institute of Technology Roorkee, Roorkee, 247667, Uttarakhand, India
| | - Nupur Nagar
- Department of Biosciences and Bioengineering, Indian Institute of Technology Roorkee, Roorkee, 247667, Uttarakhand, India
| | - Amit Mishra
- Cellular and Molecular Neurobiology Unit, Indian Institute of Technology Jodhpur, Jodhpur, 342011, Rajasthan, India
| | - Krishna Mohan Poluri
- Department of Biosciences and Bioengineering, Indian Institute of Technology Roorkee, Roorkee, 247667, Uttarakhand, India; Centre for Nanotechnology, Indian Institute of Technology Roorkee, Roorkee, 247667, Uttarakhand, India.
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Bosco F, Ruga S, Citraro R, Leo A, Guarnieri L, Maiuolo J, Oppedisano F, Macrì R, Scarano F, Nucera S, Bava I, Palma E, Muscoli C, Hancke J, De Sarro G, Mollace V. The Effects of Andrographis paniculata (Burm.F.) Wall. Ex Nees and Andrographolide on Neuroinflammation in the Treatment of Neurodegenerative Diseases. Nutrients 2023; 15:3428. [PMID: 37571363 PMCID: PMC10421033 DOI: 10.3390/nu15153428] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Revised: 07/29/2023] [Accepted: 07/31/2023] [Indexed: 08/13/2023] Open
Abstract
Neurodegenerative diseases (NDs) affect millions of people worldwide, and to date, Alzheimer's and Parkinson's diseases are the most common NDs. Of the many risk factors for neurodegeneration, the aging process has the most significant impact, to the extent that it is tempting to consider neurodegenerative disease as a manifestation of accelerated aging. However, genetic and environmental factors determine the course of neurodegenerative disease progression. It has been proposed that environmental stimuli influence neuroplasticity. Some clinical studies have shown that healthy lifestyles and the administration of nutraceuticals containing bioactive molecules possessing antioxidant and anti-inflammatory properties have a preventive impact or mitigate symptoms in previously diagnosed patients. Despite ongoing research efforts, the therapies currently used for the treatment of NDs provide only marginal therapeutic benefits; therefore, the focus is now directly on the search for natural products that could be valuable tools in combating these diseases, including the natural compound Andrographis paniculata (Ap) and its main constituent, andrographolide (Andro). Preclinical studies have shown that the aqueous extract of Ap can modulate neuroinflammatory and neurodegenerative responses, reducing inflammatory markers and oxidative stress in various NDs. Therefore, in this review, we will focus on the molecular mechanisms by which Ap and Andro can modulate the processes of neurodegeneration and neuroinflammation, which are significant causes of neuronal death and cognitive decline.
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Affiliation(s)
- Francesca Bosco
- Department of Health Sciences, Institute of Research for Food, Safety, and Health (IRC-FSH), University Magna Graecia of Catanzaro, 88100 Catanzaro, Italy; (S.R.); (F.O.); (R.M.); (F.S.); (S.N.); (I.B.); (E.P.); (C.M.); (V.M.)
- Section of Pharmacology, Science of Health Department, School of Medicine, University Magna Graecia of Catanzaro, 88100 Catanzaro, Italy; (R.C.); (A.L.); (G.D.S.)
| | - Stefano Ruga
- Department of Health Sciences, Institute of Research for Food, Safety, and Health (IRC-FSH), University Magna Graecia of Catanzaro, 88100 Catanzaro, Italy; (S.R.); (F.O.); (R.M.); (F.S.); (S.N.); (I.B.); (E.P.); (C.M.); (V.M.)
| | - Rita Citraro
- Section of Pharmacology, Science of Health Department, School of Medicine, University Magna Graecia of Catanzaro, 88100 Catanzaro, Italy; (R.C.); (A.L.); (G.D.S.)
- Research Center FAS@UMG, Science of Health Department, University Magna Graecia of Catanzaro, 88100 Catanzaro, Italy
| | - Antonio Leo
- Section of Pharmacology, Science of Health Department, School of Medicine, University Magna Graecia of Catanzaro, 88100 Catanzaro, Italy; (R.C.); (A.L.); (G.D.S.)
- Research Center FAS@UMG, Science of Health Department, University Magna Graecia of Catanzaro, 88100 Catanzaro, Italy
| | - Lorenza Guarnieri
- Section of Pharmacology, Science of Health Department, School of Medicine, University Magna Graecia of Catanzaro, 88100 Catanzaro, Italy; (R.C.); (A.L.); (G.D.S.)
| | - Jessica Maiuolo
- Laboratory of Pharmaceutical Biology, IRC-FSH Center, Department of Health Sciences, School of Pharmacy and Nutraceutical, Faculty of Pharmacy, University Magna Graecia of Catanzaro, 88100 Catanzaro, Italy;
| | - Francesca Oppedisano
- Department of Health Sciences, Institute of Research for Food, Safety, and Health (IRC-FSH), University Magna Graecia of Catanzaro, 88100 Catanzaro, Italy; (S.R.); (F.O.); (R.M.); (F.S.); (S.N.); (I.B.); (E.P.); (C.M.); (V.M.)
| | - Roberta Macrì
- Department of Health Sciences, Institute of Research for Food, Safety, and Health (IRC-FSH), University Magna Graecia of Catanzaro, 88100 Catanzaro, Italy; (S.R.); (F.O.); (R.M.); (F.S.); (S.N.); (I.B.); (E.P.); (C.M.); (V.M.)
| | - Federica Scarano
- Department of Health Sciences, Institute of Research for Food, Safety, and Health (IRC-FSH), University Magna Graecia of Catanzaro, 88100 Catanzaro, Italy; (S.R.); (F.O.); (R.M.); (F.S.); (S.N.); (I.B.); (E.P.); (C.M.); (V.M.)
| | - Saverio Nucera
- Department of Health Sciences, Institute of Research for Food, Safety, and Health (IRC-FSH), University Magna Graecia of Catanzaro, 88100 Catanzaro, Italy; (S.R.); (F.O.); (R.M.); (F.S.); (S.N.); (I.B.); (E.P.); (C.M.); (V.M.)
| | - Irene Bava
- Department of Health Sciences, Institute of Research for Food, Safety, and Health (IRC-FSH), University Magna Graecia of Catanzaro, 88100 Catanzaro, Italy; (S.R.); (F.O.); (R.M.); (F.S.); (S.N.); (I.B.); (E.P.); (C.M.); (V.M.)
| | - Ernesto Palma
- Department of Health Sciences, Institute of Research for Food, Safety, and Health (IRC-FSH), University Magna Graecia of Catanzaro, 88100 Catanzaro, Italy; (S.R.); (F.O.); (R.M.); (F.S.); (S.N.); (I.B.); (E.P.); (C.M.); (V.M.)
| | - Carolina Muscoli
- Department of Health Sciences, Institute of Research for Food, Safety, and Health (IRC-FSH), University Magna Graecia of Catanzaro, 88100 Catanzaro, Italy; (S.R.); (F.O.); (R.M.); (F.S.); (S.N.); (I.B.); (E.P.); (C.M.); (V.M.)
| | | | - Giovambattista De Sarro
- Section of Pharmacology, Science of Health Department, School of Medicine, University Magna Graecia of Catanzaro, 88100 Catanzaro, Italy; (R.C.); (A.L.); (G.D.S.)
- Research Center FAS@UMG, Science of Health Department, University Magna Graecia of Catanzaro, 88100 Catanzaro, Italy
| | - Vincenzo Mollace
- Department of Health Sciences, Institute of Research for Food, Safety, and Health (IRC-FSH), University Magna Graecia of Catanzaro, 88100 Catanzaro, Italy; (S.R.); (F.O.); (R.M.); (F.S.); (S.N.); (I.B.); (E.P.); (C.M.); (V.M.)
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Mohammed MA. Fighting cytokine storm and immunomodulatory deficiency: By using natural products therapy up to now. Front Pharmacol 2023; 14:1111329. [PMID: 37124230 PMCID: PMC10134036 DOI: 10.3389/fphar.2023.1111329] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Accepted: 03/14/2023] [Indexed: 05/02/2023] Open
Abstract
A novel coronavirus strain (COVID-19) caused severe illness and mortality worldwide from 31 December 2019 to 21 March 2023. As of this writing, 761,071,826 million cases have been diagnosed worldwide, with 6,879,677 million deaths accorded by WHO organization and has spread to 228 countries. The number of deaths is closely connected to the growth of innate immune cells in the lungs, mainly macrophages, which generate inflammatory cytokines (especially IL-6 and IL-1β) that induce "cytokine storm syndrome" (CSS), multi-organ failure, and death. We focus on promising natural products and their biologically active chemical constituents as potential phytopharmaceuticals that target virus-induced pro-inflammatory cytokines. Successful therapy for this condition is currently rare, and the introduction of an effective vaccine might take months. Blocking viral entrance and replication and regulating humoral and cellular immunity in the uninfected population are the most often employed treatment approaches for viral infections. Unfortunately, no presently FDA-approved medicine can prevent or reduce SARS-CoV-2 access and reproduction. Until now, the most important element in disease severity has been the host's immune response activation or suppression. Several medicines have been adapted for COVID-19 patients, including arbidol, favipiravir, ribavirin, lopinavir, ritonavir, hydroxychloroquine, chloroquine, dexamethasone, and anti-inflammatory pharmaceutical drugs, such as tocilizumab, glucocorticoids, anakinra (IL-1β cytokine inhibition), and siltuximab (IL-6 cytokine inhibition). However, these synthetic medications and therapies have several side effects, including heart failure, permanent retinal damage in the case of hydroxyl-chloroquine, and liver destruction in the case of remdesivir. This review summarizes four strategies for fighting cytokine storms and immunomodulatory deficiency induced by COVID-19 using natural product therapy as a potential therapeutic measure to control cytokine storms.
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Affiliation(s)
- Mona A. Mohammed
- Medicinal and Aromatic Plants Research Department, Pharmaceutical and Drug Industries Research Institute, National Research Centre, Giza, Egypt
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4
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Zhang Q, Cui Q. Target protein identification of andrographolide based on isomer approach. J Pharm Biomed Anal 2023; 222:115111. [PMID: 36279844 DOI: 10.1016/j.jpba.2022.115111] [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: 08/23/2022] [Revised: 10/11/2022] [Accepted: 10/13/2022] [Indexed: 06/16/2023]
Abstract
The target identification of natural products is one of the most challenging issues in the standardized application of traditional Chinese medicine. It is widely recognized that magnetic nanoparticles (MNPs) could function as a tool that capture the target proteins of active molecule. However, the false positives caused by non-specific adsorption should not be ignored. Here, we reported a functionalized MNPs technique that could enrich the target proteins of andrographolide (AG) based on isomers approach. We designed and characterized MNPs and isomers of AG. The combination of the two could be used as an ideal coupling, which provides a feasible method for the target proteins enrichment of AG. In addition, the target proteins were identified by HPLC-MS/MS. Moreover, bioinformatics analysis and systematic computational dockings were performed to search for the interactions between target proteins and AG. Six inflammation-related proteins, including CD4, IKBKB, PKN1, PKN2, YWHAB and YWHAH were proved to be the anti-inflammatory targets of AG. All of the results indicated this integrated system could benefit target identification of bioactive natural products.
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Affiliation(s)
- Qi Zhang
- College of Pharmacy, State Key Laboratory of Medicinal Chemical Biology, Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin 300353, China
| | - Qingxin Cui
- College of Pharmacy, State Key Laboratory of Medicinal Chemical Biology, Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin 300353, China.
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Zhang Y, Li C, Wang Z, Wang T, Zhou Y, Zheng L. Blocking CXC Motif Chemokine Ligand 2 Ameliorates Diabetic Peripheral Neuropathy via Inhibiting Apoptosis and NLRP3 Inflammasome Activation. Biol Pharm Bull 2023; 46:672-683. [PMID: 37121693 DOI: 10.1248/bpb.b22-00680] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/02/2023]
Abstract
Evidence suggests that CXC motif chemokines are involved in neuronal injury and inflammatory processes. Bioinformatics analysis by using data from the Gene Expression Omnibus (GEO) database was performed and identified CXC motif chemokine ligands (CXCLs) as associated with diabetic peripheral neuropathy (DPN). The present study focused on CXC motif chemokine ligand 2 (CXCL2), and the role and potential mechanisms of CXCL2 in DPN were investigated. The DPN rat model was generated by streptozotocin (STZ) injection in vivo, and high-glucose (HG)-stimulated Schwann cell RSC96 was considered a cell model of DPN in vitro. Neuropathic symptoms of DPN were explored by neurological tests and histological examinations. DPN rats showed a decreased level of motor nerve conduction velocity (MNCV) along with typical histological changes. CXCL2 expression was significantly increased in STZ-induced DPN rat sciatic nerve and HG-induced RSC96 cells. Functionally, CXCL2 knockdown inhibited cell apoptosis and inflammation activation under diabetic conditions in vitro and in vivo. CXCL2 knockdown increased cell viability in HG-treated RSC96 cells and reduced apoptosis concerning the decreased expression of cleaved Caspase 3/9. In addition, CXCL2 knockdown protected against NOD-like receptor protein 3 (NLRP3) inflammasome activation and reduced levels of pro-inflammatory cytokines, interleukin (IL)-1β and IL-18. The repressive effects of CXCL2 knockdown on inflammasome activation under HG conditions were significantly abolished by treatment of the NLRP3 activator nigericin. In conclusion, these results indicated that CXCL2 knockdown exhibited amelioration of hyperglycemia-induced DPN by inhibiting cell apoptosis and NLRP3 inflammasome activation, suggesting that targeting CXCL2 might be a potential strategy for DPN treatment.
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Affiliation(s)
- Yu Zhang
- Department of Endocrinology and Metabolism, The First Affiliated Hospital of Zhengzhou University
| | - Chong Li
- Department of Endocrinology and Metabolism, The First Affiliated Hospital of Zhengzhou University
| | - Zhifang Wang
- Department of Endocrinology and Metabolism, The First Affiliated Hospital of Zhengzhou University
| | - Tingting Wang
- Department of Endocrinology and Metabolism, The First Affiliated Hospital of Zhengzhou University
| | - Yahui Zhou
- Department of Neurology, The Third Affiliated Hospital of Xinxiang Medical University
| | - Lili Zheng
- Department of Endocrinology and Metabolism, The First Affiliated Hospital of Zhengzhou University
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Yadav S, Ahmad F, Rathaur S. Antifilarial efficacy of andrographolide: Ex vivo studies on bovine filarial parasite Setaria cervi. Comp Biochem Physiol C Toxicol Pharmacol 2022; 261:109442. [PMID: 35985449 DOI: 10.1016/j.cbpc.2022.109442] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Revised: 08/06/2022] [Accepted: 08/12/2022] [Indexed: 11/03/2022]
Abstract
Lymphatic filariasis caused by filarial nematode is an important disease leading to considerable morbidity throughout tropical countries. Even after specific elimination programs, the disease continue to spread in endemic countries. Thus newer therapeutic interventions are urgently needed to control the spread. In the present study, we have seen the effect of andrographolide (andro), a diterpenoid lactone from the leaves of Andrographis paniculata on filarial parasite Setaria cervi. There was time and concentration dependent decrease in motility and viability leading to death of parasite after 6 h of the exposure of andro. Andro showed potential antifilarial activity with an IC50 value of 24.80 μM assessed through MTT assay. There was concentration dependent decrease in the antioxidant enzymes activity and increase in proapoptotic markers after 5 h exposure of andro. Further, molecular docking analysis revealed that andro binds with filarial glutathione-S-transferase at glutathione (GSH) binding site and inhibiting enzyme activity competitively. Andro induced oxidative stress mediated apoptosis in parasites as evidenced by increase in the intracellular reactive oxygen species (ROS) and apoptotic markers.Therefore this study suggested that andro could be further explored as a new antifilarial drug.
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Affiliation(s)
- Smita Yadav
- Department of Biochemistry, Institute of Science, Banaras Hindu University, Varanasi 221005, India.
| | - Faiyaz Ahmad
- Department of Biochemistry, Institute of Science, Banaras Hindu University, Varanasi 221005, India
| | - Sushma Rathaur
- Department of Biochemistry, Institute of Science, Banaras Hindu University, Varanasi 221005, India
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Yuan X, Xu W, Yan Z, Xu X, Chen Y, Chen S, Wang P. Andrographolide exerted anti-inflammatory effects thereby reducing sex hormone synthesis in LPS-induced female rats, but had no effect on hormone production in healthy ones. Front Pharmacol 2022; 13:980064. [PMID: 36188549 PMCID: PMC9520912 DOI: 10.3389/fphar.2022.980064] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Accepted: 08/24/2022] [Indexed: 11/13/2022] Open
Abstract
Females have higher inflammatory tolerance because they have some special sex-related anti-inflammatory pathways. Andrographolide, a diterpene lactone compound from Andrographis paniculata (Burm.f.) Nees, has a powerful anti-inflammatory effect. But whether andrographolide regulates sex-related anti-inflammatory pathways in females has yet to be reported. A non-targeted metabonomics method was employed to investigate the metabolic pathways of andrographolide in LPS-induced inflammatory female rats. Substances and genes were then selected out of gender-related pathways discovered by metabonomics experiments and their quantities or expressions were evaluated. Furthermore, the effects of andrographolide on these chemicals or genes in non-inflammatory female rats were also examined in order to investigate the cascade interaction between anti-inflammatory mechanisms and metabolites. The biomarkers of 24 metabolites in plasma were identified. Following pathway enrichment analysis, these metabolic markers were clustered into glycerophosphate, glycerolipids, inositol phosphate and steroid hormone synthesis pathways. Validation experiments confirmed that andrographolide lowered post-inflammatory female sex hormones such as progesterone, estradiol, corticosterone, and testosterone rather than increasing them. Andrographolide may have these effects via inhibiting the overexpression of CYP11a1 and StAR. However, andrographolide had no effect on the expression of these two genes or the four types of hormones in non-inflamed female rats. Similarly, andrographolide decreased TNF-α, IL-6 and IL-1β production in inflammatory rats but showed no effect on these inflammatory markers in non-inflammatory rats. LPS and other inflammatory cytokines promote hormone production, which in turn will prevent increased inflammation. Therefore, it may be hypothesized that andrographolide’s reduction of inflammatory cytokine is what generates its inhibitory action on sex hormones during inflammation. By blocking the activation of inflammatory pathways, andrographolide prevented the stimulation of inflammatory factors on the production of sex hormones. It does not, however, directly inhibit or enhance the synthesis of sex hormones.
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Affiliation(s)
| | - Wenhao Xu
- Panzhihua Central Hospital, Panzhihua, China
| | - Zijun Yan
- Panzhihua Central Hospital, Panzhihua, China
| | - Xingmeng Xu
- Panzhihua Central Hospital, Panzhihua, China
| | - Yanqing Chen
- Panzhihua Central Hospital, Panzhihua, China
- *Correspondence: Yanqing Chen, ; Simin Chen, ; Ping Wang,
| | - Simin Chen
- College of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
- *Correspondence: Yanqing Chen, ; Simin Chen, ; Ping Wang,
| | - Ping Wang
- College of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
- *Correspondence: Yanqing Chen, ; Simin Chen, ; Ping Wang,
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Activities and Molecular Mechanisms of Diterpenes, Diterpenoids, and Their Derivatives in Rheumatoid Arthritis. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2022; 2022:4787643. [PMID: 35368757 PMCID: PMC8975657 DOI: 10.1155/2022/4787643] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Revised: 12/11/2021] [Accepted: 02/02/2022] [Indexed: 12/11/2022]
Abstract
Diterpenes and their derivatives have many biological activities, including anti-inflammatory and immunomodulatory effects. To date, several diterpenes, diterpenoids, and their laboratory-derived products have been demonstrated for antiarthritic activities. This study summarizes the literature about diterpenes and their derivatives acting against rheumatoid arthritis (RA) depending on the database reports until 31 August 2021. For this, we have conducted an extensive search in databases such as PubMed, Science Direct, Google Scholar, and Clinicaltrials.gov using specific relevant keywords. The search yielded 2708 published records, among which 48 have been included in this study. The findings offer several potential diterpenes and their derivatives as anti-RA in various test models. Among the diterpenes and their derivatives, andrographolide, triptolide, and tanshinone IIA have been found to exhibit anti-RA activity through diverse pathways. In addition, some important derivatives of triptolide and tanshinone IIA have also been shown to have anti-RA effects. Overall, findings suggest that these substances could reduce arthritis score, downregulate oxidative, proinflammatory, and inflammatory biomarkers, modulate various arthritis pathways, and improve joint destruction and clinical arthritic conditions, signs, symptoms, and physical functions in humans and numerous experimental animals, mainly through cytokine and chemokine as well as several physiological protein interaction pathways. Taken all together, diterpenes, diterpenoids, and their derivatives may be promising tools for RA management.
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Peter AE, Sandeep BV, Rao BG, Kalpana VL. Calming the Storm: Natural Immunosuppressants as Adjuvants to Target the Cytokine Storm in COVID-19. Front Pharmacol 2021; 11:583777. [PMID: 33708109 PMCID: PMC7941276 DOI: 10.3389/fphar.2020.583777] [Citation(s) in RCA: 61] [Impact Index Per Article: 20.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Accepted: 12/09/2020] [Indexed: 12/15/2022] Open
Abstract
The COVID-19 pandemic has caused a global health crisis, with no specific antiviral to treat the infection and the absence of a suitable vaccine to prevent it. While some individuals contracting the SARS-CoV-2 infection exhibit a well coordinated immune response and recover, others display a dysfunctional immune response leading to serious complications including ARDS, sepsis, MOF; associated with morbidity and mortality. Studies revealed that in patients with a dysfunctional immune response, there is a massive cytokine and chemokine release, referred to as the 'cytokine storm'. As a result, such patients exhibit higher levels of pro-inflammatory/modulatory cytokines and chemokines like TNFα, INFγ, IL-1β, IL-2, IL-4, IL-6, IL-7, IL-9, IL-10, IL-12, IL-13, IL-17, G-CSF, GM-CSF, MCSF, HGF and chemokines CXCL8, MCP1, IP10, MIP1α and MIP1β. Targeting this cytokine storm is a novel, promising treatment strategy to alleviate this excess influx of cytokines observed at the site of infection and their subsequent disastrous consequences. Natural immunosuppressant compounds, derived from plant sources like curcumin, luteolin, piperine, resveratrol are known to inhibit the production and release of pro-inflammatory cytokines and chemokines. This inhibitory effect is mediated by altering signal pathways like NF-κB, JAK/STAT, MAPK/ERK that are involved in the production and release of cytokines and chemokines. The use of these natural immunosuppressants as adjuvants to ameliorate the cytokine storm; in combination with antiviral agents and other treatment drugs currently in use presents a novel, synergistic approach for the treatment and effective cure of COVID-19. This review briefly describes the immunopathogenesis of the cytokine storm observed in SARS-CoV-2 infection and details some natural immunosuppressants that can be used as adjuvants in treating COVID-19 disease.
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Affiliation(s)
- Angela E. Peter
- Department of Biotechnology, College of Science and Technology, Andhra University, Visakhapatnam, India
| | - B. V. Sandeep
- Department of Biotechnology, College of Science and Technology, Andhra University, Visakhapatnam, India
| | - B. Ganga Rao
- Andhra University College of Pharmaceutical Sciences, Andhra University, Visakhapatnam, India
| | - V. Lakshmi Kalpana
- Department of Human Genetics, College of Science and Technology, Andhra University, Visakhapatnam, India
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Andrographolide inhibits IL-1β release in bone marrow-derived macrophages and monocyte infiltration in mouse knee joints induced by monosodium urate. Toxicol Appl Pharmacol 2020; 410:115341. [PMID: 33242555 DOI: 10.1016/j.taap.2020.115341] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Revised: 11/12/2020] [Accepted: 11/16/2020] [Indexed: 01/05/2023]
Abstract
Andrographolide (AND) is the major diterpenoid in A. paniculata with wide clinical application and has been shown to be a potent anti-inflammatory agent. Gout is the leading inflammatory disease of the joints, and the deposition of urate in the articular cavity attracts immune cells that release inflammatory cytokines. Monosodium urate (MSU) is known to be one of the activators of the NLRP3 (NLR family pyrin domain containing 3) inflammasome. After activation, the NLRP3 inflammasome releases interleukin-1β (IL-1β), which causes the development of many inflammatory diseases. The aim of the present study was to investigate whether AND attenuates the release of IL-1β mediated by the NLRP3 inflammasome. The effects of AND were studied in bone marrow-derived macrophages (BMDMs) treated with lipopolysaccharide (LPS) and MSU and in mice with MSU-induced joint inflammation. AND suppressed MSU phagocytosis dose-dependently and markedly inhibited LPS- and MSU-induced IL-1β release in BMDMs. Moreover, AND pretreatment inhibited the LPS-induced NLRP3 inflammasome priming stage by inhibiting the IKK/NFκB signaling pathway, which resulted in decreased protein expression of NLRP3 and proIL-1β. AND induced HO-1 protein expression in a dose-dependent manner and attenuated MSU-induced ROS generation. Silencing HO-1 mitigated AND inhibition of LPS/MSU-induced IL-1β release in J774A.1 cells. In addition, AND decreased MSU-mediated ASC binding to NLRP3. Oral administration of AND attenuated MSU-induced monocyte infiltration in mouse knee joints. These results suggest that the working mechanisms by which AND down-regulates MSU-induced joint inflammation might be via HO-1 induction and attenuation of ROS-mediated NLRP3 inflammasome assembly and subsequent IL-1β release.
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Andrographis Paniculata and Its Bioactive Diterpenoids Protect Dermal Fibroblasts Against Inflammation and Oxidative Stress. Antioxidants (Basel) 2020; 9:antiox9050432. [PMID: 32429312 PMCID: PMC7278656 DOI: 10.3390/antiox9050432] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Revised: 05/08/2020] [Accepted: 05/13/2020] [Indexed: 12/11/2022] Open
Abstract
Andrographis paniculata (Burm.f.) has long been used in ayurvedic medicine through its anti-inflammatory properties. However, its protective effect of skin aging has not been studied in vitro. This study aimed to investigate the anti-aging effects of methanolic extract (ME), andrographolide (ANDRO), neoandrographolide (NEO), 14-deoxyandrographolide (14DAP) and 14-deoxy-11,12-didehydroandrographolide (14DAP11-12) on human dermal fibroblasts (HDFa) under pro-oxidant or pro-inflammatory condition. The in vitro anti-aging capacity of ME, ANDRO, NEO, 14DAP, and 14DAP11-12 (1, 2.5 and 5 µg/mL) was performed in HDFa. Oxidative stress and inflammation were induced by hydrogen peroxide and lipopolysaccharide/TNF-α, respectively. Reactive oxygen species (ROS) production was measured by the fluorescence of DCF-DA probe and cytokines were quantified by ELISA (IL6 and IL8) or RTqPCR (TNF-α). Procollagen type I production was determined by an ELISA. Our results showed a decrease in ROS production with ME and 14DAP at 5 µg/mL and 1 µg/mL, respectively. Furthermore, IL-6 production and TNF-α expression decreased under ANDRO and ME at 5 µg/mL. Our data indicated that ME and 14DAP protect from oxidative stress. Additionally, ME and ANDRO decreased an inflammation marker, IL-6. This suggests their potential natural treatment against skin damage. Hence, their applications could be of interest in cosmetics for preventing skin ageing.
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Lindsay CB, Zolezzi JM, Rivera DS, Cisternas P, Bozinovic F, Inestrosa NC. Andrographolide Reduces Neuroinflammation and Oxidative Stress in Aged Octodon degus. Mol Neurobiol 2019; 57:1131-1145. [DOI: 10.1007/s12035-019-01784-6] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2018] [Accepted: 09/12/2019] [Indexed: 12/12/2022]
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Yongyun C, Jingwei Z, Zhiqing L, Wenxiang C, Huiwu L. Andrographolide stimulates osteoblastogenesis and bone formation by inhibiting nuclear factor kappa-Β signaling both in vivo and in vitro. J Orthop Translat 2019; 19:47-57. [PMID: 31844613 PMCID: PMC6896731 DOI: 10.1016/j.jot.2019.02.001] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/11/2018] [Revised: 01/23/2019] [Accepted: 02/07/2019] [Indexed: 11/23/2022] Open
Abstract
Osteoporosis is a bone disease that is associated with a decrease in bone mineral density, deterioration of bone microarchitecture and increased fracture risk. Currently, available treatments mainly focus on either inhibiting osteoclast function, such as administration of bisphosphonate, calcitonin, oestrogen, selective oestrogen receptor modulator and so on, or stimulating osteoblasts, such as parathyroid hormone, to improve bone mass and skeletal microarchitecture. However, there is no option that is completely satisfactory because of the limitations of monotherapy with either class. Thus, it is highly appealing to investigate novel drugs with both antiresorptive and osteoanabolic activities that have the potential to be more beneficial than monotherapy because of the different mechanism of action. As has been proven in previous study that andrographolide (AP), as a key herbal medicine, could suppress osteoclast formation and function both in vivo and in vitro. The purpose of this present study was to identify the effect of AP on osteoblast differentiation and oestrogen deficiency-induced osteoporosis. It was concluded that AP significantly reduced oestrogen deficiency-induced bone loss in vivo. Furthermore, it was proved that tumor necrosis factor alpha severely impaired bone morphogenetic protein-2 (BMP-2)-induced osteoblast differentiation, and this inhibition could be greatly attenuated by AP. This was further supported by the fact that AP significantly increases the expression of osteoblast-specific markers, including runt-related transcription factor-2, osteocalcin and osteopontin. In addition, molecular analysis revealed that AP greatly ceased tumor necrosis factor alpha-mediated stimulation of nuclear factor kappa-Β activity, whereas overexpression of the nuclear factor kappa-Β subunit p65 reversed the stimulatory effects of AP on osteoblast differentiation. Thus, combined with previous study, AP was demonstrated to be a novel agent with both antiresorptive and osteoanabolic activities and had the potential to be developed as an antiosteoporosis alternative. THE TRANSLATIONAL POTENTIAL OF THIS ARTICLE This study provides strong evidence for the identification that AP has both antiresorptive and osteoanabolic activities and thus has great potential to be developed as a novel antiosteoporosis agent.
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Affiliation(s)
| | | | | | | | - Li Huiwu
- Shanghai Key Laboratory of Orthopaedic Implants, Department of Orthopaedics, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, People’s Republic of China
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Yang Y, Zhou X, Li Y, Chen A, Liang W, Liang G, Huang B, Li Q, Jin D. CXCL2 attenuates osteoblast differentiation by inhibiting the ERK1/2 signaling pathway. J Cell Sci 2019; 132:jcs.230490. [PMID: 31292171 DOI: 10.1242/jcs.230490] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2019] [Accepted: 07/04/2019] [Indexed: 11/20/2022] Open
Abstract
The C-X-C motif chemokine ligand 2 (CXCL2), a member of the CXC receptor ligand family, is involved in various immune and inflammatory processes, but its effect(s) on bone formation have not yet been reported. We report here that CXCL2 is enriched in bone marrow and show abundant expression of CXCL2 in osteoblasts of osteoporotic mice. CXCL2 neutralization within the bone marrow by using antibody alleviated bone loss in mice, indicating a negative role of CXCL2 in bone formation. In line with this, CXCL2 overexpression attenuated proliferation, as well as differentiation, of osteoblasts in vitro By contrast, CXCL2 downregulation promoted osteoblast expansion and differentiation. Mechanistically, CXCL2 inhibits the ERK1/2 (MAPK3/1) signaling pathway in osteoblasts. Activation of ERK1/2 abolishes the inhibitory effect of CXCL2 in osteoblasts, whereas inactivation of ERK1/2 reverses the osteogenic role of CXCL2 inhibition. These results show that CXCL2 attenuates osteoblast differentiation through inhibition of the ERK1/2 signaling pathway. We demonstrate here that CXCL2 is a negative regulator of bone formation and clarify the responsible mechanisms. Therefore, pharmaceutical coordination of CXCL2 and of the pathways through which it is regulated in osteoblasts might be beneficial regarding bone formation.
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Affiliation(s)
- Yang Yang
- Department of Orthopedics, Academy of Orthopedics Guangdong Province, the Third Affiliated Hospital of Southern Medical University, 510000 Guangzhou, China
| | - Xinying Zhou
- Department of Orthopedics, Academy of Orthopedics Guangdong Province, the Third Affiliated Hospital of Southern Medical University, 510000 Guangzhou, China
| | - Yuejun Li
- Department of Orthopedics, Academy of Orthopedics Guangdong Province, the Third Affiliated Hospital of Southern Medical University, 510000 Guangzhou, China
| | - Ajuan Chen
- Department of Orthopedics, Academy of Orthopedics Guangdong Province, the Third Affiliated Hospital of Southern Medical University, 510000 Guangzhou, China
| | - Wenquan Liang
- Department of Orthopedics, Academy of Orthopedics Guangdong Province, the Third Affiliated Hospital of Southern Medical University, 510000 Guangzhou, China
| | - Guojun Liang
- Department of Orthopedics, Academy of Orthopedics Guangdong Province, the Third Affiliated Hospital of Southern Medical University, 510000 Guangzhou, China
| | - Bin Huang
- Department of Orthopedics, Academy of Orthopedics Guangdong Province, the Third Affiliated Hospital of Southern Medical University, 510000 Guangzhou, China
| | - Qingchu Li
- Department of Orthopedics, Academy of Orthopedics Guangdong Province, the Third Affiliated Hospital of Southern Medical University, 510000 Guangzhou, China
| | - Dadi Jin
- Department of Orthopedics, Academy of Orthopedics Guangdong Province, the Third Affiliated Hospital of Southern Medical University, 510000 Guangzhou, China
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Li X, Wang T, Zhang D, Li H, Shen H, Ding X, Chen G. Andrographolide ameliorates intracerebral hemorrhage induced secondary brain injury by inhibiting neuroinflammation induction. Neuropharmacology 2018; 141:305-315. [PMID: 30218674 DOI: 10.1016/j.neuropharm.2018.09.015] [Citation(s) in RCA: 51] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2018] [Revised: 09/07/2018] [Accepted: 09/11/2018] [Indexed: 12/14/2022]
Abstract
Microglia activation and neuroinflammation play important roles in intracerebral hemorrhage (ICH)-induced secondary brain injury (SBI). In this study, we attempted to investigate the potential effects of Andrographolide (Andro) on ICH-induced SBI and the possible mechanisms behind these effects. Andro treatment effectively reduced neuronal cell death and degeneration and alleviated neurobehavioral disorders and brain edema in vivo. In an in vitro study, microglia activation-induced neuronal cell death was ameliorated by Andro treatment. In addition, microglia activation and neuroinflammation were induced by ICH, exhibiting elevated cytokine levels, which could be reversed with Andro treatment. The levels of TNF-α and IL-6 were significantly decreased after treatment with Andro, both in vivo and in vitro, due to the inhibition of nuclear transcription factor-κB (NF-κB) signaling pathway activation. Meanwhile, Andro decreased the levels of IL-1β and LDH, as well as microglia pyroptosis induced by ICH by suppressing the assembly of the nucleotide-binding oligomerization domain like receptor protein 3 (NLRP3) inflammasome. In summary, this study reveals an anti-inflammatory effect of Andro and its potential mechanisms, and it shows that Andro is a potential candidate for improving ICH-induced SBI.
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Affiliation(s)
- Xiang Li
- Department of Neurosurgery & Brain and Nerve Research Laboratory, The First Affiliated Hospital of Soochow University, 188 Shizi Street, Suzhou, 215006, China
| | - Tianyi Wang
- Department of Neurosurgery & Brain and Nerve Research Laboratory, The First Affiliated Hospital of Soochow University, 188 Shizi Street, Suzhou, 215006, China
| | - Dongping Zhang
- Department of Neurosurgery & Brain and Nerve Research Laboratory, The First Affiliated Hospital of Soochow University, 188 Shizi Street, Suzhou, 215006, China
| | - Haiying Li
- Department of Neurosurgery & Brain and Nerve Research Laboratory, The First Affiliated Hospital of Soochow University, 188 Shizi Street, Suzhou, 215006, China
| | - Haitao Shen
- Department of Neurosurgery & Brain and Nerve Research Laboratory, The First Affiliated Hospital of Soochow University, 188 Shizi Street, Suzhou, 215006, China
| | - Xin Ding
- Division of Neonatology, Children's Hospital of Soochow University, 92 Zhongnan Street, Suzhou, 215003, China.
| | - Gang Chen
- Department of Neurosurgery & Brain and Nerve Research Laboratory, The First Affiliated Hospital of Soochow University, 188 Shizi Street, Suzhou, 215006, China.
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Dai Y, Chen SR, Chai L, Zhao J, Wang Y, Wang Y. Overview of pharmacological activities of Andrographis paniculata and its major compound andrographolide. Crit Rev Food Sci Nutr 2018; 59:S17-S29. [PMID: 30040451 DOI: 10.1080/10408398.2018.1501657] [Citation(s) in RCA: 154] [Impact Index Per Article: 25.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Andrographis paniculata (A. paniculata) is a medicinal plant traditionally used as anti-inflammation and anti-bacteria herb. Andrographolide, the major active component of A. paniculata, exhibits diverse pharmacological activities, including anti-inflammation, anti-cancer, anti-obesity, anti-diabetes, and other activities. In this article, we comprehensively review the therapeutic potential of A. paniculata and andrographolide focusing on the mechanisms of action and clinical application. We systemically discuss the structure-activity relationship of andrographolide and derivatives. Despite the various pharmacological activities and formula of A. paniculata and andrographolide, we propose further development of more structural derivatives of andrographolide with reduced toxicity and increased therapeutic efficacy is still needed for the clinical application of this ancient mighty herb and its major component.
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Affiliation(s)
- Yan Dai
- a State Key Laboratory of Quality Research in Chinese Medicine and Institute of Chinese Medical Sciences , University of Macau , Avenida da Universidade , Taipa, Macao SAR , China
| | - Shao-Ru Chen
- a State Key Laboratory of Quality Research in Chinese Medicine and Institute of Chinese Medical Sciences , University of Macau , Avenida da Universidade , Taipa, Macao SAR , China
| | - Ling Chai
- b Guangxi Institute of Traditional Medical and Pharmaceutical Sciences and Guangxi Key Laboratory of Traditional Chinese Medicine Quality Standards , Nanning 530022 , China
| | - Jing Zhao
- a State Key Laboratory of Quality Research in Chinese Medicine and Institute of Chinese Medical Sciences , University of Macau , Avenida da Universidade , Taipa, Macao SAR , China
| | - Yitao Wang
- a State Key Laboratory of Quality Research in Chinese Medicine and Institute of Chinese Medical Sciences , University of Macau , Avenida da Universidade , Taipa, Macao SAR , China
| | - Ying Wang
- a State Key Laboratory of Quality Research in Chinese Medicine and Institute of Chinese Medical Sciences , University of Macau , Avenida da Universidade , Taipa, Macao SAR , China
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Chong JR, Chai YL, Lee JH, Howlett D, Attems J, Ballard CG, Aarsland D, Francis PT, Chen CP, Lai MKP. Increased Transforming Growth Factor β2 in the Neocortex of Alzheimer's Disease and Dementia with Lewy Bodies is Correlated with Disease Severity and Soluble Aβ42 Load. J Alzheimers Dis 2018; 56:157-166. [PMID: 27911312 DOI: 10.3233/jad-160781] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
BACKGROUND Of the three transforming growth factor (TGF)-β isoforms known, TGFβ1 deficits have been widely reported in Alzheimer's disease (AD) and studied as a potential therapeutic target. In contrast, the status of TGFβ2, which has been shown to mediate amyloid-β (Aβ)-mediated neuronal death, are unclear both in AD and in Lewy body dementias (LBD) with differential neuritic plaque and neurofibrillary tangle burden. OBJECTIVE To measure neocortical TGFβ2 levels and their correlations with neuropathological and clinical markers of disease severity in a well-characterized cohort of AD as well as two clinical subtypes of LBD, dementia with Lewy bodies (DLB) and Parkinson's disease dementia (PDD), known to manifest relatively high and low Aβ plaque burden, respectively. METHODS Postmortem samples from temporal cortex (BA21) were measured for TGFβ2 using a Luminex-based platform, and correlated with scores for neuritic plaques, neurofibrillary tangles, α-synuclein pathology, dementia severity (as measured by annual decline of Mini-Mental State Examination scores) as well as soluble and total fractions of brain Aβ42. RESULTS TGFβ2 was significantly increased in AD and DLB, but not in PDD. TGFβ2 also correlated with scores for neurofibrillary tangles, Lewy bodies (within the LBD group), dementia severity, and soluble Aβ42 concentration, but not with neuritic plaque scores, total Aβ42, or monomeric α-synuclein immunoreactivity. CONCLUSIONS TGFβ2 is increased in the temporal cortex of AD and DLB, and its correlations with neuropathological and clinical markers of disease severity as well as with soluble Aβ42 load suggest a potential pathogenic role in mediating the neurotoxicity of non-fibrillar Aβ. Our study also indicates the potential utility of targeting TGFβ2 in pharmacotherapeutic approaches to AD and DLB.
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Affiliation(s)
- Joyce R Chong
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Yuek Ling Chai
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Jasinda H Lee
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - David Howlett
- Wolfson Centre for Age-Related Diseases, King's College London, London, UK
| | - Johannes Attems
- Institute of Neuroscience, Newcastle University, Newcastle upon Tyne, UK
| | - Clive G Ballard
- Wolfson Centre for Age-Related Diseases, King's College London, London, UK
| | - Dag Aarsland
- Department of Neurobiology, Ward Sciences and Society, Karolinska Institute, Stockholm, Sweden.,Centre for Age-Related Medicine, Stavanger University Hospital, Stavanger, Norway
| | - Paul T Francis
- Wolfson Centre for Age-Related Diseases, King's College London, London, UK
| | - Christopher P Chen
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Mitchell K P Lai
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore.,Wolfson Centre for Age-Related Diseases, King's College London, London, UK
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Banerjee M, Parai D, Dhar P, Roy M, Barik R, Chattopadhyay S, Mukherjee SK. Andrographolide induces oxidative stress-dependent cell death in unicellular protozoan parasite Trypanosoma brucei. Acta Trop 2017; 176:58-67. [PMID: 28739368 DOI: 10.1016/j.actatropica.2017.07.023] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2017] [Revised: 07/13/2017] [Accepted: 07/20/2017] [Indexed: 11/16/2022]
Abstract
African sleeping sickness is a parasitic disease in humans and livestock caused by Trypanosoma brucei throughout sub-Saharan Africa. Absence of appropriate vaccines and prevalence of drug resistance proclaim that a new way of therapeutic interventions is essential against African trypanosomiasis. In the present study, we have looked into the effect of andrographolide (andro), a diterpenoid lactone from Andrographis paiculata on Trypanosoma brucei PRA 380. Although andro has been recognized as a promosing anti-cancer drug, its usefulness against Trypanosoma spp remained unexplored. Andro showed promising anti-trypanosomal activity with an IC50 value of 8.3μM assessed through SYBR Green cell viability assay and also showed no cytotoxicity towards normal murine macrophages. Cell cycle analysis revealed that andro could induce sub-G0/G1 phase arrest. Flow cytometric analysis also revealed that incubation with andro caused exposure of phosphatidyl serine to the outer leaflet of plasma membrane in T. brucei PCF. This event was preceded by andro-induced depolarization of mitochondrial membrane potential (Δym) and elevation of cytosolic calcium. Andro also caused elevation of intracellular reactive oxygen species (ROS) as well as lipid peroxidation level, and depletion in reduced thiol levels. Taken together, these data indicate that andro has promising antitrypanosomal activity mediated by promoting oxidative stress and depolarizing the mitochondrial membrane potential and thereby triggering an apoptosis-like programmed cell death. Therefore, this study merits further investigation to the therapeutic possibility of using andro for the treatment of African trypanosomiasis.
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Affiliation(s)
- Malabika Banerjee
- Department of Microbiology, University of Kalyani, Kalyani 741235, WB, India; TCG Life Science Ltd., Bengal Intelligent Park, Tower-B, Block-EP & GP, Sector-5, Salt Lake, Kolkata, 700091, India
| | - Debaprasad Parai
- Department of Microbiology, University of Kalyani, Kalyani 741235, WB, India
| | - Pranab Dhar
- TCG Life Science Ltd., Bengal Intelligent Park, Tower-B, Block-EP & GP, Sector-5, Salt Lake, Kolkata, 700091, India
| | - Manab Roy
- TCG Life Science Ltd., Bengal Intelligent Park, Tower-B, Block-EP & GP, Sector-5, Salt Lake, Kolkata, 700091, India
| | - Rajib Barik
- TCG Life Science Ltd., Bengal Intelligent Park, Tower-B, Block-EP & GP, Sector-5, Salt Lake, Kolkata, 700091, India
| | - Subrata Chattopadhyay
- TCG Life Science Ltd., Bengal Intelligent Park, Tower-B, Block-EP & GP, Sector-5, Salt Lake, Kolkata, 700091, India
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Shao L, Liu X, Zhu S, Liu C, Gao Y, Xu X. The Role of Smurf1 in Neuronal Necroptosis after Lipopolysaccharide-Induced Neuroinflammation. Cell Mol Neurobiol 2017; 38:809-816. [PMID: 28940129 DOI: 10.1007/s10571-017-0553-6] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2017] [Accepted: 09/18/2017] [Indexed: 12/14/2022]
Abstract
The role of inflammation in neurological disorders such as Alzheimer's disease and Parkinson's disease is gradually recognized and leads to an urgent challenge. Smad ubiquitination regulatory factor 1 (Smurf1), one member of the HECT family, is up-regulated by proinflammatory cytokines and associated with apoptosis in acute spinal cord injury. However, the function of Smurf1 through promoting neuronal necroptosis is still limited in the central nervous system (CNS). Hence, we developed a neuroinflammatory model in adult rats following lipopolysaccharide (LPS) lateral ventral injection to elaborate whether Smurf1 is involved in necroptosis in CNS injury. The up-regulation of Smurf1 detected in the rat brain cortex was similar to the necroptotic marker RIP1 expression in a time-dependent manner after LPS-induced neuroinflammation. Meanwhile, Smurf1 knockdown with siRNA inhibited neuronal necroptosis following LPS-stimulated rat pheochromocytomal PC12 cells. Thus, it was indicated that LPS-induced necroptosis could be promoted by Smurf1. In short, these studies suggest that Smurf1 might promote neuronal necroptosis after LPS-induced neuroinflammation, which might act as a novel and potential molecular target for the treatment of neuroinflammation associated diseases.
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Affiliation(s)
- Lifei Shao
- Department of Neurosurgery, Affiliated Hospital of Nantong University, Nantong, Jiangsu, 226001, China
| | - Xiaojuan Liu
- Department of Pathogen Biology, Medical College, Nantong University, Nantong, Jiangsu, 226001, China
| | - Shunxing Zhu
- Experimental Animal Center, Nantong University, Nantong, Jiangsu, 226001, China
| | - Chun Liu
- Experimental Animal Center, Nantong University, Nantong, Jiangsu, 226001, China
| | - Yilu Gao
- Department of Neurosurgery, Affiliated Hospital of Nantong University, Nantong, Jiangsu, 226001, China.
| | - Xide Xu
- Department of Neurosurgery, Affiliated Hospital of Nantong University, Nantong, Jiangsu, 226001, China
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Yang R, Liu S, Zhou J, Bu S, Zhang J. Andrographolide attenuates microglia-mediated Aβ neurotoxicity partially through inhibiting NF-κB and JNK MAPK signaling pathway. Immunopharmacol Immunotoxicol 2017; 39:276-284. [PMID: 28669260 DOI: 10.1080/08923973.2017.1344989] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Affiliation(s)
- Rui Yang
- Department of Pharmacy, Xinhua Hospital Affiliated to Shanghai Jiaotong University School of Medicine, Shanghai, PR China
| | - Sha Liu
- Department of Pharmacology, Chengdu Medical College of Medicine School, Chengdu, PR China
| | - Jia Zhou
- Department of Pharmacy, Xinhua Hospital Affiliated to Shanghai Jiaotong University School of Medicine, Shanghai, PR China
| | - Shuhong Bu
- Department of Pharmacy, Xinhua Hospital Affiliated to Shanghai Jiaotong University School of Medicine, Shanghai, PR China
| | - Jian Zhang
- Department of Pharmacy, Xinhua Hospital Affiliated to Shanghai Jiaotong University School of Medicine, Shanghai, PR China
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Selective induction of alternatively spliced FynT isoform by TNF facilitates persistent inflammatory responses in astrocytes. Sci Rep 2017; 7:43651. [PMID: 28266558 PMCID: PMC5339870 DOI: 10.1038/srep43651] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2016] [Accepted: 01/25/2017] [Indexed: 11/27/2022] Open
Abstract
Fyn tyrosine kinase has been implicated in the pathogenesis of Alzheimer’s disease (AD). We have previously reported that upregulation of the FynT isoform in AD brains was partly associated with astrocyte activation. In this study, we demonstrated selective FynT induction in murine cortex and primary astrocyte culture after prolonged exposure to inflammatory stimulants, suggesting that FynT may mediate persistent neuroinflammation. To delineate the functional role of astrocytic FynT in association with TNF-mediated inflammatory responses, immortalized normal human astrocytes (iNHA) stably expressing FynT kinase constitutively active (FynT-CA) or kinase dead (FynT-KD) mutants were treated with TNF and compared for inflammatory responses using high-throughput real-time RT-PCR and Luminex multi-analyte immunoassays. FynT-CA but not FynT-KD mutant exhibited drastic induction of proinflammatory cytokines and chemokines after prolonged exposure to TNF, which could be attenuated by treating with Fyn kinase inhibitor PP2 or silencing via FynT-specific DsiRNA. FynT kinase activity-dependent induction of PKCδ expression, PKCδ phosphorylation, as well as NFκB activation was detected at the late phase but not the early phase of TNF signaling. In conclusion, selective FynT induction by TNF may facilitate persistent inflammatory responses in astrocytes, which is highly relevant to chronic neuroinflammation in neurodegenerative diseases including but not limited to AD.
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Wong SY, Tan MGK, Wong PTH, Herr DR, Lai MKP. Andrographolide induces Nrf2 and heme oxygenase 1 in astrocytes by activating p38 MAPK and ERK. J Neuroinflammation 2016; 13:251. [PMID: 27663973 PMCID: PMC5034653 DOI: 10.1186/s12974-016-0723-3] [Citation(s) in RCA: 54] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2016] [Accepted: 09/15/2016] [Indexed: 12/30/2022] Open
Abstract
BACKGROUND Andrographolide is the major labdane diterpenoid originally isolated from Andrographis paniculata and has been shown to have anti-inflammatory and antioxidative effects. However, there is a dearth of studies on the potential therapeutic utility of andrographolide in neuroinflammatory conditions. Here, we aimed to investigate the mechanisms underlying andrographolide's effect on the expression of anti-inflammatory and antioxidant heme oxygenase-1 (HO-1) in primary astrocytes. METHODS Measurements of the effects of andrograholide on antioxidant HO-1 and its transcription factor, Nrf2, include gene expression, protein turnover, and activation of putative signaling regulators. RESULTS Andrographolide potently activated Nrf2 and also upregulated HO-1 expression in primary astrocytes. Andrographolide's effects on Nrf2 seemed to be biphasic, with acute (within 1 h) reductions in Nrf2 ubiquitination efficiency and turnover rate, followed by upregulation of Nrf2 mRNA between 8 and 24 h. The acute regulation of Nrf2 by andrographolide seemed to be independent of Keap1 and partly mediated by p38 MAPK and ERK signaling. CONCLUSIONS These data provide further insights into the mechanisms underlying andrographolide's effects on astrocyte-mediated antioxidant, and anti-inflammatory responses and support the further assessment of andrographolide as a potential therapeutic for neurological conditions in which oxidative stress and neuroinflammation are implicated.
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Affiliation(s)
- Siew Ying Wong
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Unit 09-01, Centre for Translational Medicine (MD6), 14 Medical Drive, Kent Ridge, 117599 Singapore
| | - Michelle G. K. Tan
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Unit 09-01, Centre for Translational Medicine (MD6), 14 Medical Drive, Kent Ridge, 117599 Singapore
- Department of Clinical Research, Singapore General Hospital, Outram, Singapore
| | - Peter T. H. Wong
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Unit 09-01, Centre for Translational Medicine (MD6), 14 Medical Drive, Kent Ridge, 117599 Singapore
| | - Deron R. Herr
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Unit 09-01, Centre for Translational Medicine (MD6), 14 Medical Drive, Kent Ridge, 117599 Singapore
| | - Mitchell K. P. Lai
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Unit 09-01, Centre for Translational Medicine (MD6), 14 Medical Drive, Kent Ridge, 117599 Singapore
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