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Kakarla R, Karuturi P, Siakabinga Q, Kasi Viswanath M, Dumala N, Guntupalli C, Nalluri BN, Venkateswarlu K, Prasanna VS, Gutti G, Yadagiri G, Gujjari L. Current understanding and future directions of cruciferous vegetables and their phytochemicals to combat neurological diseases. Phytother Res 2024; 38:1381-1399. [PMID: 38217095 DOI: 10.1002/ptr.8122] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2023] [Revised: 12/15/2023] [Accepted: 12/27/2023] [Indexed: 01/15/2024]
Abstract
Neurological disorders incidences are increasing drastically due to complex pathophysiology, and the nonavailability of disease-modifying agents. Several attempts have been made to identify new potential chemicals to combat these neurological abnormalities. At present, complete abolishment of neurological diseases is not attainable except for symptomatic relief. However, dietary recommendations to help brain development or improvement have increased over the years. In recent times, cruciferous vegetables and their phytochemicals have been identified from preclinical and clinical investigations as potential neuroprotective agents. The present review highlights the beneficial effects and molecular mechanisms of phytochemicals such as indole-3-carbinol, diindolylmethane, sulforaphane, kaempferol, selenium, lutein, zeaxanthin, and vitamins of cruciferous vegetables against neurological diseases including Parkinson's disease, Alzheimer's disease, stroke, Huntington's disease, autism spectra disorders, anxiety, depression, and pain. Most of these cruciferous phytochemicals protect the brain by eliciting antioxidant, anti-inflammatory, and antiapoptotic properties. Regular dietary intake of cruciferous vegetables may benefit the prevention and treatment of neurological diseases. The present review suggests that there is a lacuna in identifying the clinical efficacy of these phytochemicals. Therefore, high-quality future studies should firmly establish the efficacy of the above-mentioned cruciferous phytochemicals in clinical settings.
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Affiliation(s)
- Ramakrishna Kakarla
- KL College of Pharmacy, Koneru Lakshmaiah Education Foundation, Guntur, India
| | - Praditha Karuturi
- KL College of Pharmacy, Koneru Lakshmaiah Education Foundation, Guntur, India
| | - Queen Siakabinga
- KL College of Pharmacy, Koneru Lakshmaiah Education Foundation, Guntur, India
| | | | - Naresh Dumala
- KL College of Pharmacy, Koneru Lakshmaiah Education Foundation, Guntur, India
| | | | - Buchi N Nalluri
- KL College of Pharmacy, Koneru Lakshmaiah Education Foundation, Guntur, India
| | - Kojja Venkateswarlu
- Department of Pharmaceutical Engineering and Technology, Indian Institute of Technology, Varanasi, India
| | - Vani Sai Prasanna
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research (NIPER)-Kolkata, Kolkata, India
| | - Gopichand Gutti
- Division of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, The Ohio State University, Columbus, Ohio, USA
| | - Ganesh Yadagiri
- Department of Veterinary Biosciences, The Ohio State University, Columbus, Ohio, USA
| | - Lohitha Gujjari
- Department of Veterinary Biosciences, The Ohio State University, Columbus, Ohio, USA
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Unnithan D, Sartaj A, Iqubal MK, Ali J, Baboota S. A neoteric annotation on the advances in combination therapy for Parkinson's disease: nanocarrier-based combination approach and future anticipation. Part I: exploring theoretical insights and pharmacological advances. Expert Opin Drug Deliv 2024; 21:423-435. [PMID: 38481172 DOI: 10.1080/17425247.2024.2331214] [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: 06/03/2023] [Accepted: 03/12/2024] [Indexed: 03/22/2024]
Abstract
INTRODUCTION Parkinson's disease (PD) is a neurological condition defined by a substantial reduction in dopamine-containing cells in the substantia nigra. Levodopa (L-Dopa) is considered the gold standard in treatment. Recent research has clearly shown that resistance to existing therapies can develop. Moreover, the involvement of multiple pathways in the nigrostriatal dopaminergic neuronal loss suggests that modifying the treatment strategy could effectively reduce this degeneration. AREAS COVERED This review summarizes the key concerns with treating PD patients and the combinations, aimed at effectively managing PD. Part I focuses on the clinical diagnosis at every stage of the disease as well as the pharmacological treatment strategies that are applied throughout its course. It methodically elucidates the potency of multifactorial interventions in attenuating the disease trajectory, substantiating the rationale for co-administration of dual or multiple therapeutic agents. Significant emphasis is laid on evidence-based pharmacological combinations for PD management. EXPERT OPINION By utilizing multiple drugs in a combination fashion, this approach can leverage the additive or synergistic effects of these agents, amplify the spectrum of treatment, and curtail the risk of side effects by reducing the dose of each drug, demonstrating significantly greater efficacy.
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Affiliation(s)
- Devika Unnithan
- Department of Pharmaceutics, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi, India
| | - Ali Sartaj
- Department of Pharmaceutics, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi, India
| | - Mohammad Kashif Iqubal
- Irma Lerma Rangel College of Pharmacy, Texas A&M Health Science Center, Texas A&M University, College Station, TX, USA
| | - Javed Ali
- Department of Pharmaceutics, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi, India
| | - Sanjula Baboota
- Department of Pharmaceutics, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi, India
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Goal A, Raj K, Singh S, Arora R. Protective effects of Embelin in Benzo[α]pyrene induced cognitive and memory impairment in experimental model of mice. CURRENT RESEARCH IN NEUROBIOLOGY 2024; 6:100122. [PMID: 38616958 PMCID: PMC11015058 DOI: 10.1016/j.crneur.2023.100122] [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: 02/21/2023] [Revised: 12/11/2023] [Accepted: 12/14/2023] [Indexed: 04/16/2024] Open
Abstract
Alzheimer's disease (AD) is a neurodegenerative disease that affects the neurons in the hippocampus, resulting in cognitive and memory impairment. The most prominent clinical characteristics of AD are the production of amyloid-beta (Aβ) plaques, neurofibrillary tangles, and neuroinflammation in neurons. It has been proven that embelin (Emb) possesses antioxidant, anti-inflammatory, and neuroprotective properties. Therefore, we assessed the therapeutic potential of Emb in Benzo [α]pyrene (BaP)-induced cognitive impairment in experimental mice. BaP (5 mg/kg, i. p) was given to mice daily for 28 days, and Emb (2.5, 5, and 10 mg/kg, i. p) was given from 14 to 28 days of a protocol. In addition, locomotor activity was evaluated using open-field and spatial working, and non-spatial memory was evaluated using novel object recognition tasks (NORT), Morris water maze (MWM), and Y- maze. At the end of the study, the animal tissue homogenate was used to check biochemicals, neuroinflammation, and neurotransmitter changes. BaP-treated mice showed a significant decline in locomotor activity, learning and memory deficits and augmented oxidative stress (lipid peroxidation, nitrite, and GSH). Further, BaP promoted the release of inflammatory tissue markers, decreased acetylcholine, dopamine, GABA, serotonin, and norepinephrine, and increased glutamate concentration. However, treatment with Emb at dose-dependently prevented biochemical changes, improved antioxidant levels, reduced neuroinflammation, restored neurotransmitter concentration, and inhibited the NF-κB pathway. The current study's finding suggested that Emb improved cognitive functions through antioxidant, anti-inflammatory, and neuroprotective mechanisms and inhibition of acetylcholinesterase (AChE) enzyme activities and Aβ-42 accumulation.
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Affiliation(s)
- Akansh Goal
- Department of Pharmacology, ISF College of Pharmacy, Moga, Punjab, India, 142001
| | - Khadga Raj
- Department of Pharmacology, ISF College of Pharmacy, Moga, Punjab, India, 142001
| | - Shamsher Singh
- Department of Pharmacology, ISF College of Pharmacy, Moga, Punjab, India, 142001
| | - Rimpi Arora
- Department of Pharmacology, ISF College of Pharmacy, Moga, Punjab, India, 142001
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Anika, Arora R, Virendra SA, Chawla PA. Mechanistic Study on the Possible Role of Embelin in Treating Neurodegenerative Disorders. CNS & NEUROLOGICAL DISORDERS DRUG TARGETS 2024; 23:55-66. [PMID: 36655531 DOI: 10.2174/1871527322666230119100053] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/06/2022] [Revised: 10/20/2022] [Accepted: 11/10/2022] [Indexed: 01/20/2023]
Abstract
Embelin (EMB) (2,5-Dihydroxy-3-undecyl-1,4-benzoquinone) is a natural benzoquinone extracted mainly from Embelia ribes (ER) and appear as vivid orange dots beneath the fruit's pericarp. It is being used to treat various diseases since ancient times in India. It has been ascribed as one of the 32 ayurvedic drugs of national importance in the National Medicinal Plant Board set up by the Government of India under the Ministry of Indian System of Medicine and Homeopathy. Embelin prevents neuronal oxidative damage by decreasing the peroxidation of lipids. Along with having antioxidant properties, it also prevents the production of amyloid-protein-related fibrils and blocks the progression of inflammatory cascades. Due to embelin's ability to cross the blood-brain barrier, its neuroprotective effects have been studied in the past using in vitro models of neuronal disorders such as convulsion and epilepsy, Alzheimer's disease, anxiety and depression, traumatic brain injury, cerebral ischemia, Huntington's disease, and multiple sclerosis. In addition to its neuroprotective effects, its role as an antitubercular, anti-cancer, antioxidant, astringent, anti-inflammatory, anti-bacterial, contraceptive, carminative, diuretic, and anthelmintic agent has also been studied. With docking studies and recent advancements in formulations of embelin including polyethylene and embelin micelles and embelin noisome preparations, embelin can prove to be a promising compound for its therapeutic actions in a wide range of diseases and disorders. The findings of docking studies suggest the binding ability of embelin to be similar to the standard drug in their respective disorders. In this review and docking analysis, we bring an outline of scientific evidence concerning the neuroprotective actions of embelin, still, further research is required for its prospective as a chief compound in clinical approaches.
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Affiliation(s)
- Anika
- Department of Pharmacology, ISF College of Pharmacy, Moga, 142001, Punjab, India
| | - Rimpi Arora
- Department of Pharmacology, ISF College of Pharmacy, Moga, 142001, Punjab, India
| | - Sharma A Virendra
- Department of Pharmaceutical Chemistry, ISF College of Pharmacy, Moga, 142001, Punjab, India
| | - Pooja A Chawla
- Department of Pharmaceutical Chemistry, ISF College of Pharmacy, Moga, 142001, Punjab, India
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Fukuyama Y, Kubo M, Harada K. Neurotrophic Natural Products. PROGRESS IN THE CHEMISTRY OF ORGANIC NATURAL PRODUCTS 2024; 123:1-473. [PMID: 38340248 DOI: 10.1007/978-3-031-42422-9_1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/12/2024]
Abstract
Neurotrophins (NGF, BDNF, NT3, NT4) can decrease cell death, induce differentiation, as well as sustain the structure and function of neurons, which make them promising therapeutic agents for the treatment of neurodegenerative disorders. However, neurotrophins have not been very effective in clinical trials mostly because they cannot pass through the blood-brain barrier owing to being high-molecular-weight proteins. Thus, neurotrophin-mimic small molecules, which stimulate the synthesis of endogenous neurotrophins or enhance neurotrophic actions, may serve as promising alternatives to neurotrophins. Small-molecular-weight natural products, which have been used in dietary functional foods or in traditional medicines over the course of human history, have a great potential for the development of new therapeutic agents against neurodegenerative diseases such as Alzheimer's disease. In this contribution, a variety of natural products possessing neurotrophic properties such as neurogenesis, neurite outgrowth promotion (neuritogenesis), and neuroprotection are described, and a focus is made on the chemistry and biology of several neurotrophic natural products.
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Affiliation(s)
- Yoshiyasu Fukuyama
- Faculty of Pharmaceutical Sciences, Tokushima Bunri University, Tokushima, 770-8514, Japan.
| | - Miwa Kubo
- Faculty of Pharmaceutical Sciences, Tokushima Bunri University, Tokushima, 770-8514, Japan
| | - Kenichi Harada
- Faculty of Pharmaceutical Sciences, Tokushima Bunri University, Tokushima, 770-8514, Japan
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Kamath AJ, Chandy AS, Joseph AA, Gorantla JN, Donadkar AD, Nath LR, Sharifi-Rad J, Calina D. Embelin: A multifaceted anticancer agent with translational potential in targeting tumor progression and metastasis. EXCLI JOURNAL 2023; 22:1311-1329. [PMID: 38234968 PMCID: PMC10792175 DOI: 10.17179/excli2023-6590] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Figures] [Subscribe] [Scholar Register] [Received: 09/12/2023] [Accepted: 11/23/2023] [Indexed: 01/19/2024]
Abstract
Embelin, a natural para-benzoquinone product, is derived from plants of the Embelia genus, particularly Embelia ribes Burm.f. A staple in traditional medicinal formulations for centuries, Embelin's pharmacological actions are attributed to the hydroxyl benzoquinone present in its structure. Its therapeutic potential is bolstered by unique physical and chemical properties. Recently, Embelin, recognized as a non-peptidic, cell-permeable small inhibitor of the X-linked inhibitor of apoptosis protein (XIAP), has garnered significant attention for its anticancer activity. It demonstrates various anticancer mechanisms, such as apoptosis induction, cell cycle arrest, and autophagy, in different cancer types. Additionally, Embelin modulates several signal transduction pathways, including NF-κB, PI3Kinase/AKT, and STAT3, effectively inhibiting the proliferation of diverse cancer cell lines. This literature review illuminates the anticancer potential of Embelin, detailing its mechanisms of action and prospective clinical applications, based on relevant scientific literature from the past decade sourced from various electronic databases. See also the Graphical abstract(Fig. 1).
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Affiliation(s)
- Adithya Jayaprakash Kamath
- Department of Pharmacognosy, Amrita School of Pharmacy, Amrita Vishwa Vidyapeetham, AIMS Health Sciences Campus, Kochi-682 041, India
- Department of Pharmaceutics, Amrita School of Pharmacy, Amrita Vishwa Vidyapeetham, AIMS Health Sciences Campus, Kochi-682 041, India
| | - Alda Sara Chandy
- Department of Pharmacognosy, Amrita School of Pharmacy, Amrita Vishwa Vidyapeetham, AIMS Health Sciences Campus, Kochi-682 041, India
| | - Aina Ann Joseph
- Department of Pharmacognosy, Amrita School of Pharmacy, Amrita Vishwa Vidyapeetham, AIMS Health Sciences Campus, Kochi-682 041, India
| | - Jaggiah N. Gorantla
- Department of Chemistry, Wayne State University, Detroit-48202, Michigan, USA
| | - Asawari Dilip Donadkar
- Department of Pharmacognosy, Amrita School of Pharmacy, Amrita Vishwa Vidyapeetham, AIMS Health Sciences Campus, Kochi-682 041, India
- Department of Pharmaceutics, Amrita School of Pharmacy, Amrita Vishwa Vidyapeetham, AIMS Health Sciences Campus, Kochi-682 041, India
| | - Lekshmi R. Nath
- Department of Pharmacognosy, Amrita School of Pharmacy, Amrita Vishwa Vidyapeetham, AIMS Health Sciences Campus, Kochi-682 041, India
| | | | - Daniela Calina
- Department of Clinical Pharmacy, University of Medicine and Pharmacy of Craiova, 200349 Craiova, Romania
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Ahmed U, Ong SK, Khan KM, Siddiqui R, Khan NA, Shaikh MF, Alawfi BS, Anwar A. Effect of embelin on inhibition of cell growth and induction of apoptosis in Acanthamoeba castellanii. Arch Microbiol 2023; 205:360. [PMID: 37898989 DOI: 10.1007/s00203-023-03698-3] [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: 08/23/2023] [Accepted: 10/02/2023] [Indexed: 10/31/2023]
Abstract
Acanthamoeba castellanii is the causative agent of fatal encephalitis and blinding keratitis. Current therapies remain a challenge, hence there is a need to search for new therapeutics. Here, we tested embelin (EMB) and silver nanoparticles doped with embelin (EMB-AgNPs) against A. castellanii. Using amoebicidal assays, the results revealed that both compounds inhibited the viability of Acanthamoeba, having an IC50 of 27.16 ± 0.63 and 13.63 ± 1.08 μM, respectively, while causing minimal cytotoxicity against HaCaT cells in vitro. The findings suggest that both samples induced apoptosis through the mitochondria-mediated pathway. Differentially expressed genes analysis showed that 652 genes were uniquely expressed in treated versus untreated cells, out of which 191 were significantly regulated in the negative control vs. conjugate. Combining the analysis, seven genes (ARIH1, RAP1, H3, SDR16C5, GST, SRX1, and PFN) were highlighted as the most significant (Log2 (FC) value ± 4) for the molecular mode of action in vitro. The KEGG analysis linked most of the genes to apoptosis, the oxidative stress signaling pathway, cytochrome P450, Rap1, and the oxytocin signaling pathways. In summary, this study provides a thorough framework for developing therapeutic agents against microbial infections using EMB and EMB-AgNPs.
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Affiliation(s)
- Usman Ahmed
- Department of Biological Sciences, School of Medical and Life Sciences, Sunway University, Subang Jaya, 47500, Selangor, Malaysia
| | - Seng-Kai Ong
- Department of Biological Sciences, School of Medical and Life Sciences, Sunway University, Subang Jaya, 47500, Selangor, Malaysia
| | - Khalid Mohammed Khan
- H. E. J. Research Institute of Chemistry, International Center for Chemical and Biological Sciences, University of Karachi, Karachi, Pakistan
- Department of Clinical Pharmacy, Institute for Research and Medical Consultations (IRMC), Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia
| | | | - Naveed Ahmed Khan
- Microbiota Research Center, Istinye University, 34010, Istanbul, Turkey.
| | - Mohd Farooq Shaikh
- Neuropharmacology Research Laboratory, Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, 47500, Bandar Sunway, Malaysia
- School of Dentistry and Medical Sciences, Charles Sturt University, Orange, New South Wales, Australia
| | - Bader Saleem Alawfi
- Department of Medical Laboratories Technology, College of Applied Medical Sciences, Taibah University, 42353, Madinah, Saudi Arabia
| | - Ayaz Anwar
- Department of Biological Sciences, School of Medical and Life Sciences, Sunway University, Subang Jaya, 47500, Selangor, Malaysia.
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Song JJ, Li H, Wang N, Zhou XY, Liu Y, Zhang Z, Feng Q, Chen YL, Liu D, Liang J, Ma XY, Wen XR, Fu YY. Gastrodin ameliorates the lipopolysaccharide-induced neuroinflammation in mice by downregulating miR-107-3p. Front Pharmacol 2022; 13:1044375. [PMID: 36569291 PMCID: PMC9773390 DOI: 10.3389/fphar.2022.1044375] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Accepted: 11/23/2022] [Indexed: 12/13/2022] Open
Abstract
Background: Neuroinflammation plays a pivotal role in the pathogenesis of Central Nervous System (CNS) diseases. The phenolic glucoside gastrodin (GAS), has been known to treat CNS disorders by exerting anti-inflammatory activities. Our aim was to investigate the potential neuroprotective mechanisms of GAS on lipopolysaccharide (LPS)-induced mice. Methods: Male C57BL/6J mice were treated by LPS, before which GAS was adminisrated. The behavior tests such as forced swim test, tail suspension test, and elevated plus maze were performed to evaluate depressive-anxiety-like behaviors. A high-throughput sequencing (HTS) analysis was performed to screen out distinctive miRNAs which were validated using quantitative real-time PCR. Then, miRNA agomir or NC was injected stereotaxically into hippocampus of mice to explore the role of miRNA on GAS in response to LPS. Furthermore, Immunofluorescence and the hematoxylin and eosin (H&E) staining were employed to observe the cellular morphology. The protein levels of pro-inflammatory factors were evaluated by western blot. Finally, the target mRNA of miRNA was predicted using bioinformatics analysis. GO and KEGG enrichment analyses were conducted to clarify the potential function of target protein, which were visualized by bubble charts. Results: The behavioral data showed that mice in the LPS group had obvious depressive-anxiety-like behaviors, and 100 mg/kg GAS could improve these behavioral changes and alleviate the levels of pro-inflammatory cytokines in the hippocampus when mice were exposed to LPS for 6 h. Meanwhile, LPS-induced microglia and astrocyte activation in the CA1, CA2, CA3, and DG regions of the hippocampus were also reversed by GAS. Furthermore, miR-107-3p were screened out and verified for GAS in response to LPS. Importantly, miR-107-3p overexpression negatively abrogated the neuroprotective effects of GAS. Moreover, KPNA1 might be the target molecular of miR-107-3p. KPNA1 might regulate 12 neuroinflammation-related genes, which were mainly involved in cytokine-mediated signaling pathway. Conclusion: These results suggested that GAS might alleviate the LPS-induced neuroinflammation and depressive-anxiety-like behaviors in mice by downregulating miR-107-3p and upregulating the downstream target KPNA1. The indicates miR-107-3p may provide a new strategy for the treatment of CNS diseases.
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Affiliation(s)
- Jin-Jin Song
- Department of Genetics, Key Laboratory of Genetic Foundation and Clinical Application, Xuzhou Engineering Research Center of Medical Genetics and Transformation, Xuzhou Medical University, Xuzhou, Jiangsu, China,Jiangsu Key Laboratory of Brain Disease and Bioinformation, Research Center for Biochemistry and Molecular Biology, Xuzhou Medical University, Xuzhou, China
| | - Hui Li
- Department of Genetics, Key Laboratory of Genetic Foundation and Clinical Application, Xuzhou Engineering Research Center of Medical Genetics and Transformation, Xuzhou Medical University, Xuzhou, Jiangsu, China
| | - Nan Wang
- Jiangsu Key Laboratory of Brain Disease and Bioinformation, Research Center for Biochemistry and Molecular Biology, Xuzhou Medical University, Xuzhou, China
| | - Xiao-Yan Zhou
- Department of Genetics, Key Laboratory of Genetic Foundation and Clinical Application, Xuzhou Engineering Research Center of Medical Genetics and Transformation, Xuzhou Medical University, Xuzhou, Jiangsu, China,Jiangsu Key Laboratory of Brain Disease and Bioinformation, Research Center for Biochemistry and Molecular Biology, Xuzhou Medical University, Xuzhou, China
| | - Yan Liu
- Department of Genetics, Key Laboratory of Genetic Foundation and Clinical Application, Xuzhou Engineering Research Center of Medical Genetics and Transformation, Xuzhou Medical University, Xuzhou, Jiangsu, China,Jiangsu Key Laboratory of Brain Disease and Bioinformation, Research Center for Biochemistry and Molecular Biology, Xuzhou Medical University, Xuzhou, China
| | - Zhen Zhang
- Department of Genetics, Key Laboratory of Genetic Foundation and Clinical Application, Xuzhou Engineering Research Center of Medical Genetics and Transformation, Xuzhou Medical University, Xuzhou, Jiangsu, China
| | - Qian Feng
- Department of Genetics, Key Laboratory of Genetic Foundation and Clinical Application, Xuzhou Engineering Research Center of Medical Genetics and Transformation, Xuzhou Medical University, Xuzhou, Jiangsu, China,Clinical Laboratory, Affiliated Hospital of Xuzhou Medical University, Xuzhou, Jiangsu, China
| | - Yu-Ling Chen
- Department of Genetics, Key Laboratory of Genetic Foundation and Clinical Application, Xuzhou Engineering Research Center of Medical Genetics and Transformation, Xuzhou Medical University, Xuzhou, Jiangsu, China
| | - Dan Liu
- Department of Genetics, Key Laboratory of Genetic Foundation and Clinical Application, Xuzhou Engineering Research Center of Medical Genetics and Transformation, Xuzhou Medical University, Xuzhou, Jiangsu, China
| | - Jia Liang
- Department of Genetics, Key Laboratory of Genetic Foundation and Clinical Application, Xuzhou Engineering Research Center of Medical Genetics and Transformation, Xuzhou Medical University, Xuzhou, Jiangsu, China
| | - Xiang-Yu Ma
- Department of Genetics, Key Laboratory of Genetic Foundation and Clinical Application, Xuzhou Engineering Research Center of Medical Genetics and Transformation, Xuzhou Medical University, Xuzhou, Jiangsu, China
| | - Xiang-Ru Wen
- College of Pharmacy, Xuzhou Medical University, Xuzhou, Jiangsu, China,*Correspondence: Xiang-Ru Wen, ; Yan-Yan Fu,
| | - Yan-Yan Fu
- Department of Genetics, Key Laboratory of Genetic Foundation and Clinical Application, Xuzhou Engineering Research Center of Medical Genetics and Transformation, Xuzhou Medical University, Xuzhou, Jiangsu, China,Department of Cell Biology and Neurobiology, Xuzhou Medical University, Xuzhou, Jiangsu, China,*Correspondence: Xiang-Ru Wen, ; Yan-Yan Fu,
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Wróbel-Biedrawa D, Galanty A, Zagrodzki P, Podolak I. Optimization of Extraction Conditions and Cytotoxic Activity of Rapanone in Comparison to Its Homologue, Embelin. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27227912. [PMID: 36432013 PMCID: PMC9693145 DOI: 10.3390/molecules27227912] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Revised: 11/05/2022] [Accepted: 11/14/2022] [Indexed: 11/17/2022]
Abstract
Rapanone is a plant-derived simple alkyl-dihydroxybenzoquinone structurally close to embelin, a well-known cytotoxic agent. The pharmacological characterization of rapanone is still incomplete, and to fill the data gap, a good source for its acquisition is required to conduct further research. This study aimed to optimize the conditions for the extraction of rapanone from the leaves of white-berried Ardisia crenata Sims. For this purpose, three methods were employed: heat reflux (HRE), shaking (SE), and ultrasound-assisted extraction (UAE), and such parameters as the extraction time, solvent, and the number of extractions from the same sample were set as experimental variables. Furthermore, cytotoxic activity toward prostate cancer, thyroid cancer, and colorectal carcinoma cell lines was investigated and compared with doxorubicin and embelin. The most effective and economical method for the extraction of rapanone was shown to be 20 min UAE with ethyl acetate or chloroform. Rapanone exhibited high cytotoxic activity against PC3 (IC50 = 6.50 μg/mL), Du145 (IC50 = 7.68 μg/mL), FTC133 (IC50 = 6.01 μg/mL), 8505C (IC50 = 7.84 μg/mL), and Caco-2 (IC50 = 8.79 μg/mL) cell lines after 24 h and against the HT29 cell line after 48 h (IC50 = 11.67 μg/mL). Furthermore, it revealed a more favorable safety profile than either its homologue, embelin, or doxorubicin. The set of optimal extraction parameters obtained may be utilized for scientific and industrial purposes to achieve the best rapanone yield. Moreover, this benzoquinone revealed a high cytotoxic activity with good selectivity.
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Affiliation(s)
- Dagmara Wróbel-Biedrawa
- Department of Pharmacognosy, Pharmaceutical Faculty, Medical College, Jagiellonian University, Medyczna 9, 30-688 Cracow, Poland
| | - Agnieszka Galanty
- Department of Pharmacognosy, Pharmaceutical Faculty, Medical College, Jagiellonian University, Medyczna 9, 30-688 Cracow, Poland
| | - Paweł Zagrodzki
- Department of Food Chemistry and Nutrition, Pharmaceutical Faculty, Medical College, Jagiellonian University, Medyczna 9, 30-688 Cracow, Poland
| | - Irma Podolak
- Department of Pharmacognosy, Pharmaceutical Faculty, Medical College, Jagiellonian University, Medyczna 9, 30-688 Cracow, Poland
- Correspondence:
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10
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Puri V, Kanojia N, Sharma A, Huanbutta K, Dheer D, Sangnim T. Natural product-based pharmacological studies for neurological disorders. Front Pharmacol 2022; 13:1011740. [PMID: 36419628 PMCID: PMC9676372 DOI: 10.3389/fphar.2022.1011740] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Accepted: 10/18/2022] [Indexed: 11/07/2023] Open
Abstract
Central nervous system (CNS) disorders and diseases are expected to rise sharply in the coming years, partly because of the world's aging population. Medicines for the treatment of the CNS have not been successfully made. Inadequate knowledge about the brain, pharmacokinetic and dynamic errors in preclinical studies, challenges with clinical trial design, complexity and variety of human brain illnesses, and variations in species are some potential scenarios. Neurodegenerative diseases (NDDs) are multifaceted and lack identifiable etiological components, and the drugs developed to treat them did not meet the requirements of those who anticipated treatments. Therefore, there is a great demand for safe and effective natural therapeutic adjuvants. For the treatment of NDDs and other memory-related problems, many herbal and natural items have been used in the Ayurvedic medical system. Anxiety, depression, Parkinson's, and Alzheimer's diseases (AD), as well as a plethora of other neuropsychiatric disorders, may benefit from the use of plant and food-derived chemicals that have antidepressant or antiepileptic properties. We have summarized the present level of knowledge about natural products based on topological evidence, bioinformatics analysis, and translational research in this review. We have also highlighted some clinical research or investigation that will help us select natural products for the treatment of neurological conditions. In the present review, we have explored the potential efficacy of phytoconstituents against neurological diseases. Various evidence-based studies and extensive recent investigations have been included, which will help pharmacologists reduce the progression of neuronal disease.
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Affiliation(s)
- Vivek Puri
- Chitkara School of Pharmacy, Chitkara University, Baddi, Himachal Pradesh, India
| | - Neha Kanojia
- Chitkara School of Pharmacy, Chitkara University, Baddi, Himachal Pradesh, India
| | - Ameya Sharma
- Chitkara School of Pharmacy, Chitkara University, Baddi, Himachal Pradesh, India
| | - Kampanart Huanbutta
- School of Pharmacy, Eastern Asia University, Rangsit, Pathum Thani, Thailand
| | - Divya Dheer
- Chitkara School of Pharmacy, Chitkara University, Baddi, Himachal Pradesh, India
| | - Tanikan Sangnim
- Faculty of Pharmaceutical Sciences, Burapha University, Muang, Chon Buri, Thailand
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11
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Liu Y, Yang G, Cui W, Zhang Y, Liang X. Regulatory mechanisms of tetramethylpyrazine on central nervous system diseases: A review. Front Pharmacol 2022; 13:948600. [PMID: 36133805 PMCID: PMC9483103 DOI: 10.3389/fphar.2022.948600] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Accepted: 08/05/2022] [Indexed: 11/13/2022] Open
Abstract
Central nervous system (CNS) diseases can lead to motor, sensory, speech, cognitive dysfunction, and sometimes even death. These diseases are recognized to cause a substantial socio-economic impact on a global scale. Tetramethylpyrazine (TMP) is one of the main active ingredients extracted from the Chinese herbal medicine Ligusticum striatum DC. (Chuan Xiong). Many in vivo and in vitro studies have demonstrated that TMP has a certain role in the treatment of CNS diseases through inhibiting calcium ion overload and glutamate excitotoxicity, anti-oxidative/nitrification stress, mitigating inflammatory response, anti-apoptosis, protecting the integrity of the blood-brain barrier (BBB) and facilitating synaptic plasticity. In this review, we summarize the roles and mechanisms of action of TMP on ischemic cerebrovascular disease, spinal cord injury, Parkinson’s disease, Alzheimer’s disease, cognitive impairments, migraine, and depression. Our review will provide new insights into the clinical applications of TMP and the development of novel therapeutics.
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Affiliation(s)
- Yue Liu
- Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Guang Yang
- Guang’anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Wenqiang Cui
- Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
- Department of Neurology, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Yunling Zhang
- Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
- *Correspondence: Yunling Zhang, ; Xiao Liang,
| | - Xiao Liang
- Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
- *Correspondence: Yunling Zhang, ; Xiao Liang,
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12
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Insights into the Explicit Protective Activity of Herbals in Management of Neurodegenerative and Cerebrovascular Disorders. Molecules 2022; 27:molecules27154970. [PMID: 35956919 PMCID: PMC9370592 DOI: 10.3390/molecules27154970] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2022] [Revised: 07/29/2022] [Accepted: 08/01/2022] [Indexed: 11/16/2022] Open
Abstract
The longstanding progressive neurodegenerative conditions of the central nervous system arise mainly due to deterioration, degradation and eventual neuronal cell loss. As an individual ages, the irreversible neurodegenerative disorders associated with aging also begin to develop, and these have become exceedingly prominent and pose a significant burden mentally, socially and economically on both the individual and their family. These disorders express several symptoms, such as tremors, dystonia, loss of cognitive functions, impairment of motor activity leading to immobility, loss of memory and many more which worsen with time. The treatment employed in management of these debilitating neurodegenerative disorders, such as Parkinson’s disease (which mainly involves the loss of dopaminergic neurons in the nigrostriatal region), Alzheimer’s disease (which arises due to accumulation of Tau proteins causing diffusive atrophy in the brain), Huntington’s disease (which involves damage of striatal and spinal neurons, etc.), have several adverse effects, leading to exploration of several lead targets and molecules existing in herbal drugs. The current review highlights the mechanistic role of natural products in the treatment of several neurodegenerative and cerebrovascular diseases such as Parkinson’s disease, Alzheimer’s disease, ischemic stroke and depression.
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13
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Li Z, Zhou J, Liang H, Ye L, Lan L, Lu F, Wang Q, Lei T, Yang X, Cui P, Huang J. Differences in Alpha Diversity of Gut Microbiota in Neurological Diseases. Front Neurosci 2022; 16:879318. [PMID: 35837118 PMCID: PMC9274120 DOI: 10.3389/fnins.2022.879318] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2022] [Accepted: 05/23/2022] [Indexed: 11/13/2022] Open
Abstract
Background Neurological diseases are difficult to diagnose in time, and there is currently a lack of effective predictive methods. Previous studies have indicated that a variety of neurological diseases cause changes in the gut microbiota. Alpha diversity is a major indicator to describe the diversity of the gut microbiota. At present, the relationship between neurological diseases and the alpha diversity of the gut microbiota remains unclear. Methods We performed a systematic literature search of Pubmed and Bioproject databases up to January 2021. Six indices were used to measure alpha diversity, including community richness (observed species, Chao1 and ACE), community diversity (Shannon, Simpson), and phylogenetic diversity (PD). Random-effects meta-analyses on the standardized mean difference (SMD) were carried out on the alpha diversity indices. Subgroup analyses were performed to explore the sources of interstudy heterogeneity. Meta-analysis was performed on articles by matching the age, sex, and body mass index (BMI) of the disease group with the control group. Meanwhile, subgroup analysis was performed to control the variability of the sequencing region, platform, geographical region, instrument, and diseases. The area under the curve (AUC) value of the receiver operating characteristic (ROC) curve was calculated to assess the prediction effectiveness of the microbial alpha diversity indices. Results We conducted a meta-analysis of 24 published studies on 16S rRNA gene amplified sequencing of the gut microbiota and neurological diseases from the Pubmed and Bioproject database (patients, n = 1,469; controls, n = 1,289). The pooled estimate demonstrated that there was no significant difference in the alpha diversity between patients and controls (P < 0.05). Alpha diversity decreased only in Parkinson's disease patients, while it increased in anorexia nervosa patients compared to controls. After adjusting for age, sex, BMI, and geographical region, none of the alpha diversity was associated with neurological diseases. In terms of Illumina HiSeq 2000 and the V3-V5 sequencing region, the results showed that alpha diversity increased significantly in comparison with the controls, while decreased in Illumina HiSeq 2500. ROC curves suggested that alpha diversity could be used as a biomarker to predict the AD (Simpson, AUC= 0.769, P = 0.0001), MS (observed species, AUC= 0.737, P = 0.001), schizophrenia (Chao1, AUC = 0.739, P = 0.002). Conclusions Our review summarized the relationship between alpha diversity of the gut microbiota and neurological diseases. The alpha diversity of gut microbiota could be a promising predictor for AD, schizophrenia, and MS, but not for all neurological diseases.
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Affiliation(s)
- Zhuoxin Li
- Guangxi Key Laboratory of AIDS Prevention and Treatment, Guangxi Universities Key Laboratory of Prevention and Control of Highly Prevalent Disease, Nanning, China
- School of Public Health, Guangxi Medical University, Nanning, China
| | - Jie Zhou
- Guangxi Key Laboratory of AIDS Prevention and Treatment, Guangxi Universities Key Laboratory of Prevention and Control of Highly Prevalent Disease, Nanning, China
- School of Public Health, Guangxi Medical University, Nanning, China
| | - Hao Liang
- Guangxi Key Laboratory of AIDS Prevention and Treatment, Guangxi Universities Key Laboratory of Prevention and Control of Highly Prevalent Disease, Nanning, China
- Life Science Institute, Guangxi Medical University, Nanning, China
| | - Li Ye
- Guangxi Key Laboratory of AIDS Prevention and Treatment, Guangxi Universities Key Laboratory of Prevention and Control of Highly Prevalent Disease, Nanning, China
- School of Public Health, Guangxi Medical University, Nanning, China
| | - Liuyan Lan
- Guangxi Key Laboratory of AIDS Prevention and Treatment, Guangxi Universities Key Laboratory of Prevention and Control of Highly Prevalent Disease, Nanning, China
- School of Public Health, Guangxi Medical University, Nanning, China
| | - Fang Lu
- Guangxi Key Laboratory of AIDS Prevention and Treatment, Guangxi Universities Key Laboratory of Prevention and Control of Highly Prevalent Disease, Nanning, China
- School of Public Health, Guangxi Medical University, Nanning, China
| | - Qing Wang
- Guangxi Key Laboratory of AIDS Prevention and Treatment, Guangxi Universities Key Laboratory of Prevention and Control of Highly Prevalent Disease, Nanning, China
- School of Public Health, Guangxi Medical University, Nanning, China
| | - Ting Lei
- Guangxi Key Laboratory of AIDS Prevention and Treatment, Guangxi Universities Key Laboratory of Prevention and Control of Highly Prevalent Disease, Nanning, China
- Geriatrics Digestion Department of Internal Medicine, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Xiping Yang
- Guangxi Key Laboratory of AIDS Prevention and Treatment, Guangxi Universities Key Laboratory of Prevention and Control of Highly Prevalent Disease, Nanning, China
- School of Public Health, Guangxi Medical University, Nanning, China
| | - Ping Cui
- Guangxi Key Laboratory of AIDS Prevention and Treatment, Guangxi Universities Key Laboratory of Prevention and Control of Highly Prevalent Disease, Nanning, China
- Life Science Institute, Guangxi Medical University, Nanning, China
- Ping Cui
| | - Jiegang Huang
- Guangxi Key Laboratory of AIDS Prevention and Treatment, Guangxi Universities Key Laboratory of Prevention and Control of Highly Prevalent Disease, Nanning, China
- School of Public Health, Guangxi Medical University, Nanning, China
- *Correspondence: Jiegang Huang
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14
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Bhuvanendran S, Paudel YN, Kumari Y, Othman I, Shaikh MF. Embelin prevents amyloid-beta accumulation via modulation of SOD1 in a Streptozotocin-induced AD-like condition: An evidence from in vitro investigation. CURRENT RESEARCH IN NEUROBIOLOGY 2022; 3:100032. [DOI: 10.1016/j.crneur.2022.100032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2021] [Revised: 10/01/2021] [Accepted: 02/08/2022] [Indexed: 11/26/2022] Open
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15
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Mohd Zaid NA, Sekar M, Bonam SR, Gan SH, Lum PT, Begum MY, Mat Rani NNI, Vaijanathappa J, Wu YS, Subramaniyan V, Fuloria NK, Fuloria S. Promising Natural Products in New Drug Design, Development, and Therapy for Skin Disorders: An Overview of Scientific Evidence and Understanding Their Mechanism of Action. Drug Des Devel Ther 2022; 16:23-66. [PMID: 35027818 PMCID: PMC8749048 DOI: 10.2147/dddt.s326332] [Citation(s) in RCA: 37] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2021] [Accepted: 08/24/2021] [Indexed: 12/17/2022] Open
Abstract
The skin is the largest organ in the human body, composed of the epidermis and the dermis. It provides protection and acts as a barrier against external menaces like allergens, chemicals, systemic toxicity, and infectious organisms. Skin disorders like cancer, dermatitis, psoriasis, wounds, skin aging, acne, and skin infection occur frequently and can impact human life. According to a growing body of evidence, several studies have reported that natural products have the potential for treating skin disorders. Building on this information, this review provides brief information about the action of the most important in vitro and in vivo research on the use of ten selected natural products in inflammatory, neoplastic, and infectious skin disorders and their mechanisms that have been reported to date. The related studies and articles were searched from several databases, including PubMed, Google, Google Scholar, and ScienceDirect. Ten natural products that have been reported widely on skin disorders were reviewed in this study, with most showing anti-inflammatory, antioxidant, anti-microbial, and anti-cancer effects as the main therapeutic actions. Overall, most of the natural products reported in this review can reduce and suppress inflammatory markers, like tumor necrosis factor-alpha (TNF-α), scavenge reactive oxygen species (ROS), induce cancer cell death through apoptosis, and prevent bacteria, fungal, and virus infections indicating their potentials. This review also highlighted the challenges and opportunities of natural products in transdermal/topical delivery systems and their safety considerations for skin disorders. Our findings indicated that natural products might be a low-cost, well-tolerated, and safe treatment for skin diseases. However, a larger number of clinical trials are required to validate these findings. Natural products in combination with modern drugs, as well as the development of novel delivery mechanisms, represent a very promising area for future drug discovery of these natural leads against skin disorders.
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Affiliation(s)
- Nurul Amirah Mohd Zaid
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy and Health Sciences, Royal College of Medicine Perak, Universiti Kuala Lumpur, Ipoh, 30450, Malaysia
| | - Mahendran Sekar
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy and Health Sciences, Royal College of Medicine Perak, Universiti Kuala Lumpur, Ipoh, 30450, Malaysia
| | - Srinivasa Reddy Bonam
- Institut National de la Santé et de la Recherche Médicale; Centre de Recherche des Cordeliers, Equipe-Immunopathologie et Immunointervention Thérapeutique, Sorbonne Université, Université de Paris, Paris, France
| | - Siew Hua Gan
- School of Pharmacy, Monash University Malaysia, Selangor Darul Ehsan, 47500, Malaysia
| | - Pei Teng Lum
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy and Health Sciences, Royal College of Medicine Perak, Universiti Kuala Lumpur, Ipoh, 30450, Malaysia
| | - M Yasmin Begum
- Department of Pharmaceutics, College of Pharmacy, King Khalid University (KKU), Asir-Abha, 61421, Saudi Arabia
| | - Nur Najihah Izzati Mat Rani
- Faculty of Pharmacy and Health Sciences, Royal College of Medicine Perak, Universiti Kuala Lumpur, Ipoh, 30450, Malaysia
| | - Jaishree Vaijanathappa
- Faculty of Life Sciences, JSS Academy of Higher Education and Research Mauritius, Vacoas-Phoenix, Mauritius
| | - Yuan Seng Wu
- Centre for Virus and Vaccine Research, School of Medical and Life Sciences, Sunway University, Selangor, 47500, Malaysia
- Department of Biological Sciences, School of Medical and Life Sciences, Sunway University, Selangor, 47500, Malaysia
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16
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Ramachandra VH, Sivanesan S, Koppal A, Anandakumar S, Howell MD, Sukumar E, Vijayaraghavan R. Embelin and levodopa combination therapy for improved Parkinson's disease treatment. Transl Neurosci 2022; 13:145-162. [PMID: 35855085 PMCID: PMC9245559 DOI: 10.1515/tnsci-2022-0224] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Revised: 05/19/2022] [Accepted: 05/27/2022] [Indexed: 12/20/2022] Open
Abstract
Parkinson’s disease (PD), a progressive neurodegenerative disorder, affects dopaminergic neurons. Oxidative stress and gut damage play critical roles in PD pathogenesis. Inhibition of oxidative stress and gut damage can prevent neuronal death and delay PD progression. The objective of this study was to evaluate the therapeutic effect of embelin or the combination with levodopa (LD) in a rotenone-induced PD mouse model. At the end of experimentation, the mice were sacrificed and the midbrain was used to evaluate various biochemical parameters, such as nitric oxide, peroxynitrite, urea, and lipid peroxidation. In the substantia nigra (midbrain), tyrosine hydroxylase (TH) expression was examined by immunohistochemistry, and Nurr1 expression was evaluated by western blotting. Gut histopathology was evaluated on tissue sections stained with hematoxylin and eosin. In silico molecular docking studies of embelin and α-synuclein (α-syn) fibrils were also performed. Embelin alone or in combination with LD ameliorated oxidative stress and gut damage. TH and Nurr1 protein levels were also significantly restored. Docking studies confirmed the affinity of embelin toward α-syn. Taken together, embelin could be a promising drug for the treatment of PD, especially when combined with LD.
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Affiliation(s)
- Vagdevi Hangarakatte Ramachandra
- Department of Research and Development, Saveetha Institute of Medical and Technical Sciences, Chennai 602105, Tamilnadu, India.,Department of Pharmacology, Subbaiah Institute of Medical Sciences and Research Centre, Shivamogga 577222, Karnataka, India
| | - Senthilkumar Sivanesan
- Department of Research and Development, Saveetha Institute of Medical and Technical Sciences, Chennai 602105, Tamilnadu, India
| | - Anand Koppal
- Department of Research and Development, Saveetha Institute of Medical and Technical Sciences, Chennai 602105, Tamilnadu, India.,Department of Pharmacology, Subbaiah Institute of Medical Sciences and Research Centre, Shivamogga 577222, Karnataka, India
| | - Shanmugam Anandakumar
- Department of Phytoinformatics, Yukai Care Solutions LLP, Chennai 600011, Tamilnadu, India.,Department of Research and Development, Saveetha Institute of Medical and Technical Sciences, Chennai 602105, Tamilnadu, India
| | - Matthew D Howell
- Department of Biomedical Sciences, Iowa State University, Ames, IA, 50011, United States of America
| | - Ethirajan Sukumar
- Department of Research and Development, Saveetha Institute of Medical and Technical Sciences, Chennai 602105, Tamilnadu, India
| | - Rajagopalan Vijayaraghavan
- Department of Research and Development, Saveetha Institute of Medical and Technical Sciences, Chennai 602105, Tamilnadu, India
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17
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Bertoncello KT, Bonan CD. Zebrafish as a tool for the discovery of anticonvulsant compounds from botanical constituents. Eur J Pharmacol 2021; 908:174342. [PMID: 34265297 DOI: 10.1016/j.ejphar.2021.174342] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2021] [Revised: 06/23/2021] [Accepted: 07/11/2021] [Indexed: 02/06/2023]
Abstract
Epilepsy affects about 65 million people in the world, which makes this disease a public health problem. In addition to the incidence of recurrent seizures, this neurological condition also culminates in cognitive, psychological, behavioral, and social consequences to the patients. Epilepsy treatment is based on the use of drugs that aim to inhibit repetitive neuronal discharges, and consequently, the recurrence of seizures. However, despite the large number of antiepileptic drugs currently available, about 30-40% of patients with epilepsy do not respond satisfactorily to treatments. Therefore, the investigation of new therapeutic alternatives for epilepsy becomes relevant, especially the search for new compounds with anticonvulsant properties. The therapeutic potential of plant-derived bioactive compounds has been a target for alternative treatments for epilepsy. The use of animal models for drug screening, such as zebrafish, contributes to a better understanding of the mechanisms involved in seizures and for investigating methods and alternative treatments to decrease seizure incidence. The sensitivity of zebrafish to chemoconvulsants and its use in genetic approaches reinforces the contribution of this animal to epilepsy research. Moreover, we summarize advances in zebrafish-based studies that focus on plant-derived bioactive compounds with potential antiseizure properties, contributing to the screening of new drugs for epilepsy treatment.
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Affiliation(s)
- Kanandra Taisa Bertoncello
- Laboratório de Neuroquímica e Psicofarmacologia, Programa de Pós-Graduação em Biologia Celular e Molecular, Escola de Ciências da Saúde e da Vida, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Carla Denise Bonan
- Laboratório de Neuroquímica e Psicofarmacologia, Programa de Pós-Graduação em Biologia Celular e Molecular, Escola de Ciências da Saúde e da Vida, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, RS, Brazil.
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18
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Hoda U, Jain S, Samim M, Jain GK, Agarwal NB. Embelin ameliorates cognitive dysfunction and progression of kindling in pentylenetetrazol-induced kindling in mice by attenuating brain inflammation. Epilepsy Behav 2021; 116:107788. [PMID: 33581600 DOI: 10.1016/j.yebeh.2021.107788] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/13/2020] [Revised: 10/31/2020] [Accepted: 01/03/2021] [Indexed: 01/15/2023]
Abstract
OBJECTIVE This study was conducted to evaluate the effect of embelin (EMB) on various epileptic models and related brain inflammation. METHODS Male Swiss albino mice were administered EMB (5, 10, and 20 mg/kg/p.o.) in acute and chronic study for 7 days and 35 days, respectively. Acute study included increasing current electroshock (ICES) and pentylenetetrazol (PTZ)-induced seizure test. Step-down latency (SDL) and forced swim test (FST) were performed to evaluate cognitive functions and depression-like behavior, respectively. Chronic study included PTZ-induced kindling. Levels of inflammatory biomarkers, namely interleukin-1 beta (IL-1β), interleukin-1 receptor antagonist (IL-1Ra), interleukin-6 (IL-6), and tumor necrosis factor-alpha (TNF-α), were estimated in the hippocampus and cortex of the kindled brains by ELISA technique. Further, neurotransmitters (NTs), namely gamma aminobutyric acid (GABA), glutamate, and dopamine, were estimated by using validated liquid chromatography-mass spectrometry (LC-MS) method followed by ultra-high-performance liquid chromatography (UHPLC). RESULTS Embelin (EMB) treatment increased the seizure threshold to hind limb extension (HLE) in the ICES test and decreased the seizure scores in the kindling experiment. Significantly low levels of IL-1β, IL-1Ra, IL-6, and TNF-α were observed in the hippocampus of PTZ + EMB (10 and 20 mg/kg)-treated groups compared with PTZ+ vehicle-treated group. Significantly lower levels of IL-1Ra, IL-6, and TNF-α compared with PTZ+ vehicle-treated group were observed in the cortex of PTZ + EMB (10 and 20 mg/kg)-treated groups, while IL-1β levels were found to be significantly lower only in the cortex of PTZ + EMB (20 mg/kg)-treated group. Increased levels of dopamine and GABA and decreased levels of glutamate in both hippocampus and cortex were observed in EMB + PTZ-treated groups compared with vehicle + PTZ-treated group. Latency of step down was found to be increased and immobility time in FST was decreased in EMB + PTZ groups compared with vehicle + PTZ group. CONCLUSION Embelin suppressed epileptogenesis in the kindled mice via neurochemical modulation of neurotransmitters and inhibiting the inflammatory pathway. Further, EMB was also observed to be protecting the kindled animals from cognition and depression-like behavior.
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Affiliation(s)
- Ubedul Hoda
- Department of Pharmacology, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi 110062, India; Centre for Translational and Clinical Research, School of Chemical and Life Sciences, Jamia Hamdard, New Delhi 110062, India
| | - Seema Jain
- Department of Pharmacology, University College of Medical Sciences and GTB Hospital, Delhi 110095, India
| | - Mohammed Samim
- Department of Chemistry, School of Chemical and Life Sciences, Jamia Hamdard, New Delhi 110062, India
| | - Gaurav Kumar Jain
- Department of Pharmaceutics, Delhi Pharmaceutical Sciences and Research University, New Delhi 110062, India
| | - Nidhi Bharal Agarwal
- Centre for Translational and Clinical Research, School of Chemical and Life Sciences, Jamia Hamdard, New Delhi 110062, India.
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Uddin MJ, Zidorn C. Traditional Herbal Medicines Against CNS Disorders from Bangladesh. NATURAL PRODUCTS AND BIOPROSPECTING 2020; 10:377-410. [PMID: 33057963 PMCID: PMC7648845 DOI: 10.1007/s13659-020-00269-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/06/2020] [Accepted: 10/03/2020] [Indexed: 05/07/2023]
Abstract
The majority of the population in Bangladesh uses traditional plant-based medicines to manage various ailments, including central nervous system (CNS) disorders. This review presents ethnobotanical information and relevant scientific studies on plants used in traditional healthcare for the management of various CNS disorders in Bangladesh. The information on the medicinal plants of Bangladesh effective against CNS disorders published in scientific journals, books, and reports was compiled from different electronic databases using specific key words. The present article provides comprehensive information on a total of 224 medicinal plant species belonging to 81 families used for the treatment of CNS disorders by the various peoples of Bangladesh. In total, we reviewed more than 290 relevant papers. In this study, leaves were found as the most often used plant organ, followed by roots, fruits, whole plants, barks, seeds, stems, rhizomes, and flowers. The Fabaceae family contributes the highest number of used species, followed by Rubiaceae, Lamiaceae, Cucurbitaceae, Vitaceae, Euphorbiaceae, Malvaceae, and Zingiberaceae. The most frequently used species (in decreasing order) are Asparagus racemosus, Centella asiatica, Stephania japonica, Aegle marmelos, Coccinia grandis, Tabernaemontana divaricata, Bacopa monnieri, Abroma augusta, and Scoparia dulcis. This review may serve as a starting point for a rational search for neuroactive natural products against CNS disorders within the Flora of Bangladesh.
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Affiliation(s)
- Md. Josim Uddin
- Pharmazeutisches Institut, Abteilung Pharmazeutische Biologie, Christian-Albrechts-Universität zu Kiel, Gutenbergstraße 76, 24118 Kiel, Germany
- Department of Pharmacy, Faculty of Science and Engineering, International Islamic University Chittagong, Chittagong, 4318 Bangladesh
| | - Christian Zidorn
- Pharmazeutisches Institut, Abteilung Pharmazeutische Biologie, Christian-Albrechts-Universität zu Kiel, Gutenbergstraße 76, 24118 Kiel, Germany
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20
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Yeh KC, Hung CF, Lin YF, Chang DC, Pai MS, Wang SJ. Neferine, a bisbenzylisoquinoline alkaloid of Nelumbo nucifera, inhibits glutamate release in rat cerebrocortical nerve terminals through 5-HT1A receptors. Eur J Pharmacol 2020; 889:173589. [DOI: 10.1016/j.ejphar.2020.173589] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Revised: 09/17/2020] [Accepted: 09/18/2020] [Indexed: 01/08/2023]
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21
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Chen DB, Gao HW, Peng C, Pei SQ, Dai AR, Yu XT, Zhou P, Wang Y, Cai B. Quinones as preventive agents in Alzheimer's diseases: focus on NLRP3 inflammasomes. J Pharm Pharmacol 2020; 72:1481-1490. [PMID: 32667050 DOI: 10.1111/jphp.13332] [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: 03/08/2020] [Revised: 06/14/2020] [Accepted: 06/21/2020] [Indexed: 02/06/2023]
Abstract
OBJECTIVES Alzheimer's disease (AD) is a hidden neurological degenerative disease, which main clinical manifestations are cognitive dysfunction, memory impairment and mental disorders. Neuroinflammation is considered as a basic response of the central nervous system. NLRP3 (Nucleotide-binding domain leucine-rich repeat (NLR) and pyrin domain containing receptor 3) inflammasome is closely related to the occurrence of neuroinflammation. Activation of the NLRP3 inflammasome results in the release of cytokines, pore formation and ultimately pyroptosis, which has demonstrated one of the critical roles in AD pathogenesis. Inhibition of the activity of NLRP3 is one of the focuses of the research. Therefore, NLRP3 represents an attractive pharmacological target, and discovery compounds with good NLRP3 inhibitory activity are particularly important. KEY FINDINGS Quinones have good neuroprotective effects and prevent AD, which may be related to their regulation of inflammatory response. The molecular docking was used to explore 12 quinones with AD prevention and treatment and NLRP3. Docking results showed that the combination of anthraquinones and NLRP3 were the best, and the top two chemical compounds were Purpurin and Rhein, which are the most promising NLRP3 inhibitors. SUMMARY These quinones may provide the theoretical basis for finding lead compounds for novel neuroprotective agents.
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Affiliation(s)
- Da-Bao Chen
- School of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, Hefei, China
| | - Hua-Wu Gao
- School of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, Hefei, China
| | - Cheng Peng
- School of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, Hefei, China
| | - Shao-Qiang Pei
- School of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, Hefei, China
| | - An-Ran Dai
- School of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, Hefei, China
| | - Xue-Ting Yu
- School of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, Hefei, China
| | - Peng Zhou
- School of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, Hefei, China.,Institute of Integrated Chinese and Western Medicine, Anhui Academy of Chinese Medicine, Hefei, China.,Anhui Province Key Laboratory of Chinese Medicinal Formula, Hefei, China
| | - Yan Wang
- School of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, Hefei, China.,Institute of Integrated Chinese and Western Medicine, Anhui Academy of Chinese Medicine, Hefei, China.,Anhui Province Key Laboratory of Chinese Medicinal Formula, Hefei, China
| | - Biao Cai
- School of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, Hefei, China.,Institute of Integrated Chinese and Western Medicine, Anhui Academy of Chinese Medicine, Hefei, China.,Anhui Province Key Laboratory of Chinese Medicinal Formula, Hefei, China
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22
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Visentin C, Musso L, Broggini L, Bonato F, Russo R, Moriconi C, Bolognesi M, Miranda E, Dallavalle S, Passarella D, Ricagno S. Embelin as Lead Compound for New Neuroserpin Polymerization Inhibitors. Life (Basel) 2020; 10:life10070111. [PMID: 32664592 PMCID: PMC7400170 DOI: 10.3390/life10070111] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Revised: 06/25/2020] [Accepted: 07/09/2020] [Indexed: 12/13/2022] Open
Abstract
Familial encephalopathy with neuroserpin inclusion bodies (FENIB) is a severe and lethal neurodegenerative disease. Upon specific point mutations in the SERPINI1gene-coding for the human protein neuroserpin (NS) the resulting pathologic NS variants polymerize and accumulate within the endoplasmic reticulum of neurons in the central nervous system. To date, embelin (EMB) is the only known inhibitor of NS polymerization in vitro. This molecule is capable of preventing NS polymerization and dissolving preformed polymers. Here, we show that lowering EMB concentration results in increasing size of NS oligomers in vitro. Moreover, we observe that in cells expressing NS, the polymerization of G392E NS is reduced, but this effect is mediated by an increased proteasomal degradation rather than polymerization impairment. For these reasons we designed a systematic chemical evolution of the EMB scaffold aimed to improve its anti-polymerization properties. The effect of EMB analogs against NS polymerization was assessed in vitro. None of the EMB analogs displayed an anti-polymerization activity better than the one reported for EMB, indicating that the EMB–NS interaction surface is very specific and highly optimized. Thus, our results indicate that EMB is, to date, still the best candidate for developing a treatment against NS polymerization.
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Affiliation(s)
- Cristina Visentin
- Dipartimento di Bioscienze, Università degli Studi di Milano, Via Celoria, 26, 20133 Milan, Italy; (C.V.); (L.B.); (M.B.)
| | - Loana Musso
- Dipartimento di Scienze per gli Alimenti, la Nutrizione e l’Ambiente, Università degli Studi di Milano, Via Celoria, 2, 20133 Milan, Italy; (L.M.); (S.D.)
| | - Luca Broggini
- Dipartimento di Bioscienze, Università degli Studi di Milano, Via Celoria, 26, 20133 Milan, Italy; (C.V.); (L.B.); (M.B.)
| | - Francesca Bonato
- Dipartimento di Chimica, Università degli Studi di Milano, Via Golgi, 19, 20133 Milan, Italy; (F.B.); (D.P.)
| | - Rosaria Russo
- Dipartimento di Fisiopatologia Medico-Chirurgica e dei Trapianti, Università degli Studi di Milano, Via Fratelli Cervi, 93, 20090 Segrate, Italy;
| | - Claudia Moriconi
- Dipartimento di Biologia e Biotecnologie ‘Charles Darwin’, Sapienza Università di Roma, Piazzale Aldo Moro, 5, 00185 Rome, Italy; (C.M.); (E.M.)
| | - Martino Bolognesi
- Dipartimento di Bioscienze, Università degli Studi di Milano, Via Celoria, 26, 20133 Milan, Italy; (C.V.); (L.B.); (M.B.)
| | - Elena Miranda
- Dipartimento di Biologia e Biotecnologie ‘Charles Darwin’, Sapienza Università di Roma, Piazzale Aldo Moro, 5, 00185 Rome, Italy; (C.M.); (E.M.)
- Istituto Pasteur—Cenci Bolognetti Foundation, Sapienza Università di Roma, Piazzale Aldo Moro, 5, 00185 Rome, Italy
| | - Sabrina Dallavalle
- Dipartimento di Scienze per gli Alimenti, la Nutrizione e l’Ambiente, Università degli Studi di Milano, Via Celoria, 2, 20133 Milan, Italy; (L.M.); (S.D.)
| | - Daniele Passarella
- Dipartimento di Chimica, Università degli Studi di Milano, Via Golgi, 19, 20133 Milan, Italy; (F.B.); (D.P.)
| | - Stefano Ricagno
- Dipartimento di Bioscienze, Università degli Studi di Milano, Via Celoria, 26, 20133 Milan, Italy; (C.V.); (L.B.); (M.B.)
- Correspondence: ; Tel.: +39-02-5031-4914
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23
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Antioxidant Properties of Embelin in Cell Culture. Electrochemistry and Theoretical Mechanism of Scavenging. Potential Scavenging of Superoxide Radical through the Cell Membrane. Antioxidants (Basel) 2020; 9:antiox9050382. [PMID: 32380755 PMCID: PMC7278612 DOI: 10.3390/antiox9050382] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2020] [Revised: 04/28/2020] [Accepted: 05/01/2020] [Indexed: 12/17/2022] Open
Abstract
Embelin, a plant natural product found in Lysimachia punctata (Primulaceae), and Embelia ribes Burm (Myrsinaceae) fruit, possesses interesting biological and pharmacological properties. It is a unique chemical species as it includes both quinone and hydroquinone functional groups plus a long hydrophobic tail. By using hydrodynamic voltammetry, which generates the superoxide radical in situ, we show an unusual scavenging capability by embelin. Embelin as a scavenger of superoxide is stronger than the common food additive antioxidant 2,6-bis(1,1-dimethylethyl)-4-20 methylphenol, (butylated hydroxytoluene, BHT). In fact, embelin is even able to completely abolish the superoxide radical in the voltaic cell. Computational results indicate that two different types of embelin scavenging actions may be involved, initially through π–π interaction and followed by proton capture in the cell. A related mechanism describes embelin’s ability to circumvent superoxide leaking by transforming the anion radical into molecular oxygen. In order to confirm its antioxidant properties, its biological activity was tested in a study carried out in THP-1 human leukemic monocytes and BV-2 mice microglia. A 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay, proliferation curves and antioxidant activity by the use of a fluorescent probe showed good antioxidant properties at 24 h. This suggests that embelin’s long alkyl C10 tail may be useful for cell membrane insertion which stimulates the antioxidant defense system, and cytoprotection in microglia. In conclusion, embelin could be an interesting pharmacological tool able to decrease the damage associated with metabolic and neurodegenerative diseases.
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24
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Sheng Z, Ge S, Gao M, Jian R, Chen X, Xu X, Li D, Zhang K, Chen WH. Synthesis and Biological Activity of Embelin and its Derivatives: An Overview. Mini Rev Med Chem 2020; 20:396-407. [DOI: 10.2174/1389557519666191015202723] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2019] [Revised: 06/24/2019] [Accepted: 06/27/2019] [Indexed: 02/04/2023]
Abstract
Embelin is a naturally occurring para-benzoquinone isolated from Embelia ribes (Burm. f.)
of the Myrsinaceae family, and contains two carbonyl groups, a methine group and two hydroxyl
groups. With embelin as the lead compound, more than one hundred derivatives have been reported.
Embelin is well known for its ability to antagonize the X-linked inhibitor of apoptosis protein (XIAP)
with an IC50 value of 4.1 μM. The potential of embelin and its derivatives in the treatment of various
cancers has been extensively studied. In addition, these compounds display a variety of other biological
effects: antimicrobial, antioxidant, analgesic, anti-inflammatory, anxiolytic and antifertility activity.
This paper reviews the recent progress in the synthesis and biological activity of embelin and its derivatives.
Their cellular mechanisms of action and prospects in the research and development of new
drugs are also discussed.
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Affiliation(s)
- Zhaojun Sheng
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen, 529020, China
| | - Siyuan Ge
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen, 529020, China
| | - Min Gao
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen, 529020, China
| | - Rongchao Jian
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen, 529020, China
| | - Xiaole Chen
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen, 529020, China
| | - Xuetao Xu
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen, 529020, China
| | - Dongli Li
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen, 529020, China
| | - Kun Zhang
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen, 529020, China
| | - Wen-Hua Chen
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen, 529020, China
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25
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Wróbel-Biedrawa D, Grabowska K, Galanty A, Sobolewska D, Żmudzki P, Podolak I. Anti-melanoma potential of two benzoquinone homologues embelin and rapanone - a comparative in vitro study. Toxicol In Vitro 2020; 65:104826. [PMID: 32169436 DOI: 10.1016/j.tiv.2020.104826] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2020] [Revised: 02/29/2020] [Accepted: 03/09/2020] [Indexed: 11/30/2022]
Abstract
Rapanone and embelin are simple alkyl benzoquinone derivatives, mainly distributed in the Primulaceae. They have an interesting scope of biological activities including cytotoxicity. As melanoma is one of the most common types of cancer, in many cases resistant to current treatment regimens, the aim of this study was to assess and compare anti-melanoma activity of the two benzoquinones. Cytotoxicity of both compounds towards different melanoma cell lines (A375, HTB140, WM793) and selectivity with respect to normal keratinocytes (HaCaT) were investigated. Furthermore, interactions with a reference chemotherapeutic, doxorubicine, were assessed. Finally, analysis of anti-inflammatory, antioxidant and anti-tyrosinase activities of both benzoquinones was conducted as well. Rapanone showed selective and higher than doxorubicine cytotoxic potential against primary melanoma cell line, WM793. Although embelin was also highly cytotoxic, its selectivity was much poorer. Interestingly, in case of HTB140 and HaCaT cell lines a combination of each benzoquinone with doxorubicine potentiated the cytotoxic potential in a synergistic manner. Embelin revealed higher albumin anti-denaturation potential than rapanone but lower than diclofenac sodium. Anti-hyaluronidase effect of both benzoquinones was higher than quercetin. Both compounds showed antioxidant potential although significantly lower as compared to vitamin C. Finally, neither embelin nor rapanone had any inhibitory effect on tyrosinase.
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Affiliation(s)
- Dagmara Wróbel-Biedrawa
- Department of Pharmacognosy, Pharmaceutical Faculty, Medical College, Jagiellonian University, Medyczna 9, 30-688 Cracow, Poland.
| | - Karolina Grabowska
- Department of Pharmacognosy, Pharmaceutical Faculty, Medical College, Jagiellonian University, Medyczna 9, 30-688 Cracow, Poland.
| | - Agnieszka Galanty
- Department of Pharmacognosy, Pharmaceutical Faculty, Medical College, Jagiellonian University, Medyczna 9, 30-688 Cracow, Poland.
| | - Danuta Sobolewska
- Department of Pharmacognosy, Pharmaceutical Faculty, Medical College, Jagiellonian University, Medyczna 9, 30-688 Cracow, Poland.
| | - Paweł Żmudzki
- Department of Medicinal Chemistry, Pharmaceutical Faculty, Medical College, Jagiellonian University, Medyczna 9, 30-688 Cracow, Poland.
| | - Irma Podolak
- Department of Pharmacognosy, Pharmaceutical Faculty, Medical College, Jagiellonian University, Medyczna 9, 30-688 Cracow, Poland.
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26
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SreeHarsha N. Embelin impact on paraquat-induced lung injury through suppressing oxidative stress, inflammatory cascade, and MAPK/NF-κB signaling pathway. J Biochem Mol Toxicol 2020; 34:e22456. [PMID: 32020686 DOI: 10.1002/jbt.22456] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2019] [Revised: 11/22/2019] [Accepted: 01/22/2020] [Indexed: 12/22/2022]
Abstract
The current examination was intended to observe the defensive impacts of embelin against paraquat-incited lung damage in relationship with its antioxidant and anti-inflammatory action. Oxidative stress marker, like malondialdehyde (MDA), antioxidative enzymes, for example, superoxide dismutase (SOD), catalase (CAT), and glutathione peroxidase (GSH Px), inflammatory cytokines, such as interleukin-1β (IL-1β), tumor necrosis factor-α, and IL-6, histological examination, and nuclear factor kappa B/mitogen-activated protein kinase (NF-κB/MAPK) gene expression were evaluated in lung tissue. Embelin treatment significantly decreased MDA and increased SOD, CAT, and GSH Px. Embelin significantly reduced levels of inflammatory cytokines in paraquat-administered and paraquat-intoxicated rats. In addition, embelin suggestively decreased relative protein expression of nuclear NF-κB p65, p-NF-κBp65, p38 MAPK, and p-p38 MAPKs in paraquat-intoxicated rats. The outcomes show the impact of embelin inhibitory action on NF-κB and MAPK and inflammatory cytokines release, and the decrease of lung tissue damage caused by paraquat.
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Affiliation(s)
- Nagaraja SreeHarsha
- Department of Pharmaceutical Sciences, College of Clinical Pharmacy, King Faisal University, Al-Ahsa, Saudi Arabia
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27
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Rao SP, Sharma N, Kalivendi SV. Embelin averts MPTP-induced dysfunction in mitochondrial bioenergetics and biogenesis via activation of SIRT1. BIOCHIMICA ET BIOPHYSICA ACTA-BIOENERGETICS 2020; 1861:148157. [PMID: 31987812 DOI: 10.1016/j.bbabio.2020.148157] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/08/2019] [Revised: 12/17/2019] [Accepted: 01/23/2020] [Indexed: 11/18/2022]
Abstract
Parkinson's disease (PD) is a chronic neurodegenerative disease characterized by the death of dopamine neurons of Substantia nigra pars compacta (SNpc) leading to motor deficits. Amongst the mechanisms proposed, mitochondrial dysfunction, reduced complex-I and PGC1α levels were found to correlate with the pathology of PD. As embelin is a natural product with structural resemblance to ubiquinone, exhibits mitochondrial uncoupling and antioxidant effects, in the present study, we sought to examine its role in the mechanisms mediating PD. Results indicate that embelin protects from MPP+-induced oxidative stress and apoptosis in a time and dose-dependent manner in N27 dopaminergic cells. Cells treated with embelin exhibited increased levels of pAMPK, SIRT1 and PGC1α leading to enhanced mitochondrial biogenesis. Though treatment of cells with MPP+ also increased pAMPK levels, but, SIRT1 and PGC1α levels decreased substantially, possibly due to the block in the mitochondrial electron transport chain and reduced NAD/NADH levels. The mitochondrial uncoupling effects of embelin leading to increased NAD/NADH levels followed by enhanced SIRT1, PGC1α and mitochondrial biogenesis were found to confer embelin mediated protection as treatment of cells with SIRT1 inhibitor or siRNA nullified this effect. Embelin (10 mg/kg) also conferred protection in vivo in MPTP mouse model of PD, wherein, MPTP-induced loss of TH staining, reduced striatal dopamine and markers of mitochondrial biogenesis pathway were averted by embelin.
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Affiliation(s)
- Swetha Pavani Rao
- Department of Applied Biology and Academy of Scientific and Innovative Research, CSIR-Indian Institute of Chemical Technology, Uppal Road, Hyderabad 500007, India
| | - Neelam Sharma
- Department of Applied Biology and Academy of Scientific and Innovative Research, CSIR-Indian Institute of Chemical Technology, Uppal Road, Hyderabad 500007, India
| | - Shasi V Kalivendi
- Department of Applied Biology and Academy of Scientific and Innovative Research, CSIR-Indian Institute of Chemical Technology, Uppal Road, Hyderabad 500007, India.
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28
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Kundap UP, Choo BKM, Kumari Y, Ahmed N, Othman IB, Shaikh MF. Embelin Protects Against Acute Pentylenetetrazole-Induced Seizures and Positively Modulates Cognitive Function in Adult Zebrafish. Front Pharmacol 2019; 10:1249. [PMID: 31708779 PMCID: PMC6823247 DOI: 10.3389/fphar.2019.01249] [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] [Subscribe] [Scholar Register] [Received: 06/13/2019] [Accepted: 09/27/2019] [Indexed: 01/29/2023] Open
Abstract
Purpose of the research: Epilepsy is a continuous process of neurodegeneration categorized by an enduring tendency to generate uncontrolled electrical firing known as seizures causing involuntary movement all over the body. Cognitive impairment and behavioral disturbances are among the more alarming co-morbidities of epilepsy. Anti-epileptic drugs (AEDs) were found to be successful in controlling epilepsy but are reported to worsen cognitive status in patients. Embelin (EMB) is a benzoquinone derived from the plant Embelia ribes and is reported to have central nervous system (CNS) activity. This study aims to evaluate the effectiveness of EMB against pentylenetetrazole (PTZ) induced acute seizures and its associated cognitive dysfunction. This was done via docking studies as well as evaluating neurotransmitter and gene expression in the zebrafish brain. The principal results: Behavioral observations showed that EMB reduced epileptic seizures and the T-maze study revealed that EMB improved the cognitive function of the fish. The docking study of EMB showed a higher affinity toward gamma-aminobutyric acid (GABAA) receptor as compared to the standard diazepam, raising the possibility of EMB working via the alpha subunit of the GABA receptor. EMB was found to modulate several genes, neurotransmitters, and also neuronal growth, all of which play an important role in improving cognitive status after epileptic seizures. Healthy zebrafish treated with EMB alone were found to have no behavioral and biochemical interference or side effects. The immunohistochemistry data suggested that EMB also promotes neuronal protection and neuronal migration in zebrafish brains. Major Conclusions: It was perceived that EMB suppresses seizure-like behavior via GABAA receptor pathway and has a positive impact on cognitive functions. The observed effect was supported by docking study, T-maze behavior, neurotransmitter and gene expression levels, and immunohistology study. The apparatus such as the T-maze and seizure scoring behavior tank were found to be a straightforward technique to score seizure and test learning ability after acute epileptic seizures. These research findings suggest that EMB could be a promising molecule for epilepsy induced learning and memory dysfunction.
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Affiliation(s)
- Uday Praful Kundap
- Department of Neurosciences, University of Montreal Hospital Centre (CRCHUM), Montreal, Canada.,Neuropharmacology Research Laboratory, Jeffrey Cheah School of Medicine and Health Sciences, Monash University, Kuala Lumpur, Malaysia
| | - Brandon Kar Meng Choo
- Neuropharmacology Research Laboratory, Jeffrey Cheah School of Medicine and Health Sciences, Monash University, Kuala Lumpur, Malaysia
| | - Yatinesh Kumari
- Neuropharmacology Research Laboratory, Jeffrey Cheah School of Medicine and Health Sciences, Monash University, Kuala Lumpur, Malaysia
| | - Nafees Ahmed
- School of Pharmacy, Monash University Malaysia, Kuala Lumpur, Malaysia
| | - Iekhsan Bin Othman
- Neuropharmacology Research Laboratory, Jeffrey Cheah School of Medicine and Health Sciences, Monash University, Kuala Lumpur, Malaysia
| | - Mohd Farooq Shaikh
- Neuropharmacology Research Laboratory, Jeffrey Cheah School of Medicine and Health Sciences, Monash University, Kuala Lumpur, Malaysia
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29
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Bhuvanendran S, Bakar SNS, Kumari Y, Othman I, Shaikh MF, Hassan Z. Embelin Improves the Spatial Memory and Hippocampal Long-Term Potentiation in a Rat Model of Chronic Cerebral Hypoperfusion. Sci Rep 2019; 9:14507. [PMID: 31601902 PMCID: PMC6787277 DOI: 10.1038/s41598-019-50954-y] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2018] [Accepted: 09/16/2019] [Indexed: 01/27/2023] Open
Abstract
Alzheimer's disease (AD) is the second most occurring neurological disorder after stroke and is associated with cerebral hypoperfusion, possibly contributing to cognitive impairment. In the present study, neuroprotective and anti-AD effects of embelin were evaluated in chronic cerebral hypoperfusion (CCH) rat model using permanent bilateral common carotid artery occlusion (BCCAO) method. Rats were administered with embelin at doses of 0.3, 0.6 or 1.2 mg/kg (i.p) on day 14 post-surgery and tested in Morris water maze (MWM) followed by electrophysiological recordings to access cognitive abilities and synaptic plasticity. The hippocampal brain regions were extracted for gene expression and neurotransmitters analysis. Treatment with embelin at the doses of 0.3 and 0.6 mg/kg significantly reversed the spatial memory impairment induced by CCH in rats. Embelin treatment has significantly protected synaptic plasticity impairment as assessed by hippocampal long-term potentiation (LTP) test. The mechanism of this study demonstrated that embelin treatment alleviated the decreased expression of BDNF, CREB1, APP, Mapt, SOD1 and NFκB mRNA levels caused by CCH rats. Furthermore, treatment with embelin demonstrated neuromodulatory activity by its ability to restore hippocampal neurotransmitters. Overall these data suggest that embelin improve memory and synaptic plasticity impairment in CCH rats and can be a potential drug candidate for neurodegenerative disease-related cognitive disorders.
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Affiliation(s)
- Saatheeyavaane Bhuvanendran
- Neuropharmacology Research Laboratory, Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, Bandar Sunway, Selangor, Malaysia.,Brain Research Institute, Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, Selangor, Malaysia
| | | | - Yatinesh Kumari
- Neuropharmacology Research Laboratory, Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, Bandar Sunway, Selangor, Malaysia
| | - Iekhsan Othman
- Neuropharmacology Research Laboratory, Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, Bandar Sunway, Selangor, Malaysia
| | - Mohd Farooq Shaikh
- Neuropharmacology Research Laboratory, Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, Bandar Sunway, Selangor, Malaysia.
| | - Zurina Hassan
- Centre for Drug Research, Universiti Sains Malaysia, Penang, Malaysia.
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30
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Zhang Z, Li H, Liu M, He J, Zhang X, Chen Y. Skullcapflavone I protects cardiomyocytes from hypoxia-caused injury through up-regulation of lincRNA-ROR. Int J Immunopathol Pharmacol 2019; 33:2058738419857537. [PMID: 31220954 PMCID: PMC6589964 DOI: 10.1177/2058738419857537] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023] Open
Abstract
Myocardial infarction (MI) is a serious heart disease in which cardiomyocytes are damaged, caused by hypoxia. This study explored the possible protective activity of Skullcapflavone I (SF I), a flavonoid isolated from the root of Scutellaria baicalensis Georgi, on hypoxia-stimulated cardiomyocytes cell injury in vitro. Viability and apoptosis of H9c2 cells and primary cardiomyocytes were tested using cell counting kit–8 (CCK-8) assay and Guava Nexin Reagent, respectively. Quantitative reverse transcription polymerase chain reaction (qRT-PCR) was used to measure the long non-coding RNA regulator of reprogramming (lincRNA-ROR) expression. si-ROR was transfected to knockdown lincRNA-ROR. Western blotting was conducted to assess the protein levels of key molecules related to cell proliferation, apoptosis, and mitogen-activated protein kinase/extracellular signal–regulated kinase (MEK/ERK) pathway. We discovered that hypoxia stimulation obviously reduced H9c2 cell and primary cardiomyocytes’ viability and proliferation, but promoted cell apoptosis. SF I treatment mitigated the cell viability and proliferation inhibition, as well as cell apoptosis caused by hypoxia. Moreover, SF I promoted the hypoxia-caused up-regulation of lincRNA-ROR in H9c2 cells and primary cardiomyocytes. Knockdown of lincRNA-ROR reversed the influence of SF I on hypoxia-stimulated H9c2 cells and primary cardiomyocytes. Besides, SF I activated MEK/ERK pathway in H9c2 cells and primary cardiomyocytes via up-regulating lincRNA-ROR. To sum up, our research verified the beneficial activity of SF I on hypoxia-caused cardiomyocytes injury. SF I protected cardiomyocytes from hypoxia-caused injury through up-regulation of lincRNA-ROR and activation of MEK/ERK pathway.
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Affiliation(s)
- Zhenxiao Zhang
- 1 Department of Emergency, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Hui Li
- 1 Department of Emergency, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Mingyang Liu
- 1 Department of Emergency, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Jianshuai He
- 2 Department of Anesthesiology, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Xiaotian Zhang
- 2 Department of Anesthesiology, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Yuehua Chen
- 3 Department of Intensive Care Unit, The Affiliated Hospital of Qingdao University, Qingdao, China
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31
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Bhuvanendran S, Hanapi NA, Ahemad N, Othman I, Yusof SR, Shaikh MF. Embelin, a Potent Molecule for Alzheimer's Disease: A Proof of Concept From Blood-Brain Barrier Permeability, Acetylcholinesterase Inhibition and Molecular Docking Studies. Front Neurosci 2019; 13:495. [PMID: 31156375 PMCID: PMC6532548 DOI: 10.3389/fnins.2019.00495] [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] [Subscribe] [Scholar Register] [Received: 12/20/2018] [Accepted: 04/30/2019] [Indexed: 12/27/2022] Open
Abstract
Embelin is well-known in ethnomedicine and reported to have central nervous system activities. However, there is no report on blood-brain barrier (BBB) permeability of embelin. Here the BBB permeability of embelin was evaluated using in vitro primary porcine brain endothelial cell (PBEC) model of the BBB. Embelin was also evaluated for acetylcholinesterase (AChE) inhibitory activity and docking prediction for interaction with AChE and amyloid beta (Aβ) binding sites. Embelin was found to be non-toxic to the PBECs and did not disturb the PBEC barrier function. The PBECs showed restrictive tight junctions with average transendothelial electrical resistance of 365.37 ± 113.00 Ω.cm2, for monolayers used for permeability assays. Permeability assays were conducted from apical-to-basolateral direction (blood-to-brain side). Embelin showed apparent permeability (Papp) value of 35.46 ± 20.33 × 10−6 cm/s with 85.53% recovery. In vitro AChE inhibitory assay demonstrated that embelin could inhibit the enzyme. Molecular docking study showed that embelin binds well to active site of AChE with CDOCKER interaction energy of −65.75 kcal/mol which correlates with the in vitro results. Docking of embelin with Aβ peptides also revealed the promising binding with low CDOCKER interaction energy. Thus, findings from this study indicate that embelin could be a suitable molecule to be further developed as therapeutic molecule to treat neurological disorders particularly Alzheimer's disease.
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Affiliation(s)
- Saatheeyavaane Bhuvanendran
- Neuropharmacology Research Laboratory, Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, Bandar Sunway, Malaysia
| | - Nur Aziah Hanapi
- Centre for Drug Research, Universiti Sains Malaysia, Penang, Malaysia
| | - Nafees Ahemad
- School of Pharmacy, Monash University Malaysia, Bandar Sunway, Malaysia.,Tropical Medicine and Biology Multidisciplinary Platform, Monash University Malaysia, Bandar Sunway, Malaysia
| | - Iekhsan Othman
- Neuropharmacology Research Laboratory, Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, Bandar Sunway, Malaysia
| | | | - Mohd Farooq Shaikh
- Neuropharmacology Research Laboratory, Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, Bandar Sunway, Malaysia
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32
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Nuthakki VK, Sharma A, Kumar A, Bharate SB. Identification of embelin, a 3-undecyl-1,4-benzoquinone from Embelia ribes as a multitargeted anti-Alzheimer agent. Drug Dev Res 2019; 80:655-665. [PMID: 31050027 DOI: 10.1002/ddr.21544] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2019] [Revised: 04/15/2019] [Accepted: 04/23/2019] [Indexed: 12/30/2022]
Abstract
Beta-secreatse (BACE-1) and cholinesterases are clinically validated targets of Alzheimer's disease (AD), for which natural products have provided immense contribution. The multifaceted nature of AD signifies the need of multitargeted agents to tackle this disease. In the search of new natural products as dual BACE-1/cholinesterase inhibitors, a library of pure natural products was screened for inhibition of acetylcholinesterase (AChE), butyrylcholinesterase (BChE), and BACE-1. The screening efforts have identified 1,4-benzoquinone "embelin," a natural product derived from Embelia ribes displaying inhibition of all three enzymes, with IC50 values of 2.5, 5.4, and 2.1 μM, respectively. This screen has also identified isoquinoline alkaloids papaverine and L-tetrahydropalmatine as AChE inhibitors. Kinetic study has shown that embelin inhibits EeAChE and EqBChE with ki values of 4.59 and 0.57 μM, in an uncompetitive and noncompetitive manner, respectively. The interactions of embelin with allosteric peripheral anionic site of cholinesterases, has further supported the results of kinetic study. Embelin has also enhanced the activity of P-gp in LS-180 cells, the efflux pump which is involved in the clearance of amyloid-β from AD brain. Further, the cell viability study in neuronal cell line has indicated the excellent therapeutic window of embelin. These results are indicative of the fact that embelin is a multitargeted agent playing role in stopping the formation of amyloid-β oligomers (via inhibition of BACE-1), improves cholinergic-transmission (via inhibition of AChE/BChE) and increases amyloid-β clearance (via P-gp induction).
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Affiliation(s)
- Vijay K Nuthakki
- Medicinal Chemistry Division, CSIR-Indian Institute of Integrative Medicine, Jammu, India
| | - Ankita Sharma
- PK-PD Toxicology & Formulation Division, CSIR-Indian Institute of Integrative Medicine, Jammu, India
| | - Ajay Kumar
- PK-PD Toxicology & Formulation Division, CSIR-Indian Institute of Integrative Medicine, Jammu, India
| | - Sandip B Bharate
- Medicinal Chemistry Division, CSIR-Indian Institute of Integrative Medicine, Jammu, India
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Bhuvanendran S, Kumari Y, Othman I, Shaikh MF. Amelioration of Cognitive Deficit by Embelin in a Scopolamine-Induced Alzheimer's Disease-Like Condition in a Rat Model. Front Pharmacol 2018; 9:665. [PMID: 29988493 PMCID: PMC6026638 DOI: 10.3389/fphar.2018.00665] [Citation(s) in RCA: 50] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2018] [Accepted: 06/04/2018] [Indexed: 12/25/2022] Open
Abstract
Embelin (2,5-dihydroxy-3-undecyl-1,4-benzoquinone) is one of the active components (2.3%) found in Embelia ribes Burm fruits. As determined via in vitro AChE inhibition assay, embelin can inhibit the acetylcholinesterase enzyme. Therefore, embelin can be utilized as a therapeutic compound, after further screening has been conducted for its use in the treatment of Alzheimer's disease (AD). In this study, the nootropic and anti-amnesic effects of embelin on scopolamine-induced amnesia in rats were evaluated. Rats were treated once daily with embelin (0.3 mg/kg, 0.6 mg/kg, 1.2 mg/kg) and donepezil (1 mg/kg) intraperitoneally (i.p.) for 17 days. During the final 9 days of treatment, a daily injection of scopolamine (1 mg/kg) was administered to induce cognitive deficits. Besides that, behavioral analysis was carried out to assess the rats' learning and memory functions. Meanwhile, hippocampal tissues were extracted for gene expression, neurotransmitter, and immunocytochemistry studies. Embelin was found to significantly improve the recognition index and memory retention in the novel object recognition (NOR) and elevated plus maze (EPM) tests, respectively. Furthermore, embelin at certain doses (0.3 mg/kg, 0.6 mg/kg, and 1.2 mg/kg) significantly exhibited a memory-enhancing effect in the absence of scopolamine, besides improving the recognition index when challenged with chronic scopolamine treatment. Moreover, in the EPM test, embelin treated rats (0.6 mg/kg) showed an increase in inflection ratio in nootropic activity. However, the increase was not significant in chronic scopolamine model. In addition, embelin contributed toward the elevated expression of BDNF, CREB1, and scavengers enzymes (SOD1 and CAT) mRNA levels. Next, pretreatment of rats with embelin mitigated scopolamine-induced neurochemical and histological changes in a manner comparable to donepezil. These research findings suggest that embelin is a nootropic compound, which also possesses an anti-amnesic ability that is displayed against scopolamine-induced memory impairment in rats. Hence, embelin could be a promising compound to treat AD.
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Affiliation(s)
| | - Yatinesh Kumari
- Neuropharmacology Research Laboratory, Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, Bandar Sunway, Malaysia
| | | | - Mohd Farooq Shaikh
- Neuropharmacology Research Laboratory, Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, Bandar Sunway, Malaysia
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Avisetti DR, Amireddy N, Kalivendi SV. The mitochondrial effects of embelin are independent of its MAP kinase regulation: Role of p53 in conferring selectivity towards cancer cells. Mitochondrion 2018; 46:158-163. [PMID: 29715507 DOI: 10.1016/j.mito.2018.04.007] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2016] [Revised: 04/11/2018] [Accepted: 04/26/2018] [Indexed: 10/17/2022]
Abstract
Amongst various therapeutic properties of the natural product embelin, its anti-cancer effects are being extensively studied. We observed that, embelin induced apoptosis in A549 cells lacking functional mitochondria (ρ0 cells) indicating that its mitochondrial effects are not primarily responsible for its anti-cancer activity. However, p38 mediated activation of p53 was found to play a pivotal role in governing the apoptotic activity of embelin due to the following observations: a time-dependent activation of p53 and apoptosis by embelin; selective inhibition of p38 inhibited embelin-induced p53 levels. Overall, therapeutic strategies involving embelin and activators of p38 MAP kinase may improve the selective targeting of cancer cells.
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Affiliation(s)
- Deepa R Avisetti
- Biochemistry Laboratory, Department of Applied Biology and Academy of Scientific and Innovative Research (AcSIR), CSIR-Indian Institute of Chemical Technology, , Uppal Road, Hyderabad 500007, T.S., India
| | - Niharika Amireddy
- Biochemistry Laboratory, Department of Applied Biology and Academy of Scientific and Innovative Research (AcSIR), CSIR-Indian Institute of Chemical Technology, , Uppal Road, Hyderabad 500007, T.S., India
| | - Shasi V Kalivendi
- Biochemistry Laboratory, Department of Applied Biology and Academy of Scientific and Innovative Research (AcSIR), CSIR-Indian Institute of Chemical Technology, , Uppal Road, Hyderabad 500007, T.S., India.
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Wang B, Chen X, Zhou T, Wang X. Antidepressant-like effects of embelin and its possible mechanisms of action in chronic unpredictable stress-induced mice. Neurol Res 2018; 40:666-676. [PMID: 29681219 DOI: 10.1080/01616412.2018.1460705] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
Objectives Embelin, a principal active constituent of embelin ribes burm, has good therapeutic effects on various diseases. To explore the effects and underlying mechanisms of embelin on depression, we made a preliminary study to clarify this issue. Methods We first used chronic unpredictable stress (CUS) to construct the model of depression in mice. Then, we determined the effects of embelin on CUS-induced behavioral dysfunction using open field test, sucrose preference test, tail suspension test and forced swimming test. Furthermore, we used the biological experiments to evaluate the changes of brain-derived neurotrophic factor (BDNF), oxidative stress, neuronal inflammation and the hypothalamic pituitary adrenal (HPA) axis after embelin treatment. Results The behavioral tests indicated embelin indeed had efficient antidepressant effects. Moreover, enhanced BDNF expression, decreased oxidative stress markers (TBARS, nitric oxide) activities, elevated antioxidants (total thiol, catalase) expression, decreased pro-inflammatory cytokines (IL-6, TNF-α, IL-1β and COX-2) expression and normalized the HPA axis activity were found after embelin treatment in CUS-induced mice. Hence, the results of biological experiments confirmed the antidepressant-like effects of embelin. Discussion These results indicated that embelin can effectively suppress CUS-induced depressive-like behaviors through increasing BDNF expression, preventing brain from oxidative stress and neuronal inflammation, and normalizing the HPA activity.
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Affiliation(s)
- Bailing Wang
- a Department of Geriatric Psychiatry , Qingdao Mental Health Center , Qingdao , China
| | - Xiaoqin Chen
- b Department of Psychosis VI , Qingdao Mental Health Center , Qingdao , China
| | - Tiantian Zhou
- a Department of Geriatric Psychiatry , Qingdao Mental Health Center , Qingdao , China
| | - Xiaoying Wang
- c Department of Special Inspection , Qingdao Mental Health Center , Qingdao , China
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Pillaiyar T, Köse M, Namasivayam V, Sylvester K, Borges G, Thimm D, von Kügelgen I, Müller CE. 6-(Ar)Alkylamino-Substituted Uracil Derivatives: Lipid Mimetics with Potent Activity at the Orphan G Protein-Coupled Receptor 84 (GPR84). ACS OMEGA 2018; 3:3365-3383. [PMID: 30023867 PMCID: PMC6044507 DOI: 10.1021/acsomega.7b02092] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/30/2017] [Accepted: 02/26/2018] [Indexed: 05/26/2023]
Abstract
GPR84, a Gi protein-coupled receptor that is activated by medium-chain (hydroxy)fatty acids, appears to play an important role in inflammation, immunity, and cancer. Recently, 6-octylaminouracil (4) has been reported to act as an agonist at GPR84. Here, we describe the synthesis of 69 derivatives and analogs of 4, 66 of which represent new compounds. They were evaluated in (a) cyclic adenosine monophosphate accumulation and (b) β-arrestin assays in human GPR84-expressing cells. Potent nonbiased as well as G protein-biased agonists were developed, e.g., 6-hexylamino-2,4(1H,3H)-pyrimidinedione (20, PSB-1584, EC50 5.0 nM (a), 3.2 nM (b), bias factor: 0) and 6-((p-chloro- and p-bromo-phenylethyl)amino)-2,4(1H,3H)-pyrimidinedione (47, PSB-16434, EC50 7.1 nM (a), 520 nM (b), bias factor: 1.9 = 79-fold Gi pathway-selective; 48, PSB-17365, EC50 2.5 nM (a), 100 nM (b), bias factor 1.3 = 20-fold selective), which were selective versus other free fatty acid-activated receptors. Compounds 20 and 48 were found to be metabolically stable upon incubation with human liver microsomes. A pharmacophore model was created on the basis of structurally diverse lipidlike GPR84 agonists.
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Affiliation(s)
- Thanigaimalai Pillaiyar
- PharmaCenter
Bonn, Pharmaceutical Institute, Pharmaceutical Chemistry I, University of Bonn, An der Immenburg 4, D-53121 Bonn, Germany
| | - Meryem Köse
- PharmaCenter
Bonn, Pharmaceutical Institute, Pharmaceutical Chemistry I, University of Bonn, An der Immenburg 4, D-53121 Bonn, Germany
| | - Vigneshwaran Namasivayam
- PharmaCenter
Bonn, Pharmaceutical Institute, Pharmaceutical Chemistry I, University of Bonn, An der Immenburg 4, D-53121 Bonn, Germany
| | - Katharina Sylvester
- PharmaCenter
Bonn, Pharmaceutical Institute, Pharmaceutical Chemistry I, University of Bonn, An der Immenburg 4, D-53121 Bonn, Germany
| | - Gleice Borges
- PharmaCenter
Bonn, Pharmaceutical Institute, Pharmaceutical Chemistry I, University of Bonn, An der Immenburg 4, D-53121 Bonn, Germany
| | - Dominik Thimm
- PharmaCenter
Bonn, Pharmaceutical Institute, Pharmaceutical Chemistry I, University of Bonn, An der Immenburg 4, D-53121 Bonn, Germany
| | - Ivar von Kügelgen
- Department
of Pharmacology and Toxicology, University
of Bonn, 53105 Bonn, Germany
| | - Christa E. Müller
- PharmaCenter
Bonn, Pharmaceutical Institute, Pharmaceutical Chemistry I, University of Bonn, An der Immenburg 4, D-53121 Bonn, Germany
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Liu Y, Gao J, Peng M, Meng H, Ma H, Cai P, Xu Y, Zhao Q, Si G. A Review on Central Nervous System Effects of Gastrodin. Front Pharmacol 2018; 9:24. [PMID: 29456504 PMCID: PMC5801292 DOI: 10.3389/fphar.2018.00024] [Citation(s) in RCA: 202] [Impact Index Per Article: 33.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2017] [Accepted: 01/09/2018] [Indexed: 11/21/2022] Open
Abstract
Rhizoma Gastrodiae (also known as Tian ma), the dried rhizome of Gastrodia elata Blume, is a famous Chinese herb that has been traditionally used for the treatment of headache, dizziness, spasm, epilepsy, stoke, amnesia and other disorders for centuries. Gastrodin, a phenolic glycoside, is the main bioactive constituent of Rhizoma Gastrodiae. Since identified in 1978, gastrodin has been extensively investigated on its pharmacological properties. In this article, we reviewed the central nervous system (CNS) effects of gastrodin in preclinical models of CNS disorders including epilepsy, Alzheimer's disease, Parkinson's disease, affective disorders, cerebral ischemia/reperfusion, cognitive impairment as well as the underlying mechanisms involved and, where possible, clinical data that support the pharmacological activities. The sources and pharmacokinetics of gastrodin were also reviewed here. As a result, gastrodin possesses a broad range of beneficial effects on the above-mentioned CNS diseases, and the mechanisms of actions include modulating neurotransmitters, antioxidative, anti-inflammatory, suppressing microglial activation, regulating mitochondrial cascades, up-regulating neurotrophins, etc. However, more detailed clinical trials are still in need for positioning it in the treatment of neurological disorders.
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Affiliation(s)
- Yuan Liu
- Department of Traditional Chinese Medicine, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, China.,School of Traditional Chinese Medicine, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Jialiang Gao
- Department of Cardiology, Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Min Peng
- Department of Traditional Chinese Medicine, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, China
| | - Hongyan Meng
- Department of Traditional Chinese Medicine, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, China
| | - Hongbo Ma
- Department of Traditional Chinese Medicine, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, China
| | - Pingping Cai
- Department of Traditional Chinese Medicine, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, China
| | - Yuan Xu
- Department of Traditional Chinese Medicine, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, China
| | - Qiong Zhao
- Department of Traditional Chinese Medicine, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, China
| | - Guomin Si
- Department of Traditional Chinese Medicine, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, China
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Durg S, B. NK, Vandal R, Dhadde SB, Thippeswamy B, Veerapur VP, Badami S. Antipsychotic activity of embelin isolated from Embelia ribes : A preliminary study. Biomed Pharmacother 2017; 90:328-331. [PMID: 28376400 DOI: 10.1016/j.biopha.2017.03.085] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2017] [Revised: 03/21/2017] [Accepted: 03/26/2017] [Indexed: 01/27/2023] Open
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