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Banerjee C, Barman R, Darshani P, Pillai M, Ahuja S, Mondal R, Pragadheesh VS, Chakraborty J, Kumar D. α-Viniferin, a dietary phytochemical, inhibits Monoamine oxidase and alleviates Parkinson's disease associated behavioral deficits in a mice model. Neurochem Int 2024; 174:105698. [PMID: 38364939 DOI: 10.1016/j.neuint.2024.105698] [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: 12/04/2023] [Revised: 01/31/2024] [Accepted: 02/13/2024] [Indexed: 02/18/2024]
Abstract
Parkinson's disease (PD) is one of the most prevalent age-related neurodegenerative disorders. Behavioral complexities worsen over time due to progressive dopaminergic (DArgic) neuronal loss at substantia nigra region of brain. Available treatments typically aim to increase dopamine (DA) levels at striatum. DA is degraded by Monoamine oxidase (MAO), thus dietary phytochemicals with MAO inhibitory properties can contribute to elevate DA levels and reduce the ailment. Characterization of naturally occurring dietary MAO inhibitors is inadequate. Based on available knowledge, we selected different classes of molecules and conducted a screening process to assess their potential as MAO inhibitors. The compounds mostly derived from food sources, broadly belonging to triterpenoids (ursane, oleanane and hopane), alkaloid, polyphenolics, monoterpenoids, alkylbenzene, phenylpropanoid and aromatic alcohol classes. Among all the molecules, highest level of MAO inhibition is offered by α-viniferin, a resveratrol trimer. Cell viability, mitochondrial morphology and reactive oxygen species (ROS) generation remained unaltered by 50 μM α-viniferin treatment in-vitro. Toxicity studies in Drosophila showed unchanged gross neuronal morphology, ROS level, motor activity or long-term survival. α-Viniferin inhibited MAO in mice brain and elevated striatal DA levels. PD-related akinesia and cataleptic behavior were attenuated by α-viniferin due to increase in striatal DA. Our study implies that α-viniferin can be used as an adjunct phytotherapeutic agent for mitigating PD-related behavioral deterioration.
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Affiliation(s)
- Chayan Banerjee
- Cell Biology and Physiology Division, CSIR- Indian Institute of Chemical Biology, Kolkata- 700032, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad- 201002, India
| | - Raju Barman
- Organic and Medicinal Chemistry Division, CSIR-Indian Institute of Chemical Biology, Kolkata- 700032, India
| | - Priya Darshani
- Organic and Medicinal Chemistry Division, CSIR-Indian Institute of Chemical Biology, Kolkata- 700032, India
| | - Meghana Pillai
- Cell Biology and Physiology Division, CSIR- Indian Institute of Chemical Biology, Kolkata- 700032, India
| | - Sanchi Ahuja
- Cell Biology and Physiology Division, CSIR- Indian Institute of Chemical Biology, Kolkata- 700032, India
| | - Rupsha Mondal
- Cell Biology and Physiology Division, CSIR- Indian Institute of Chemical Biology, Kolkata- 700032, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad- 201002, India
| | - V S Pragadheesh
- CSIR-Central Institute of Medicinal and Aromatic Plants, Research Centre, Bengaluru- 560065, India
| | - Joy Chakraborty
- Cell Biology and Physiology Division, CSIR- Indian Institute of Chemical Biology, Kolkata- 700032, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad- 201002, India.
| | - Deepak Kumar
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad- 201002, India; Organic and Medicinal Chemistry Division, CSIR-Indian Institute of Chemical Biology, Kolkata- 700032, India.
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Moreno Cardenas C, Çiçek SS. Structure-dependent activity of plant natural products against methicillin-resistant Staphylococcus aureus. Front Microbiol 2023; 14:1234115. [PMID: 37649631 PMCID: PMC10463185 DOI: 10.3389/fmicb.2023.1234115] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2023] [Accepted: 07/14/2023] [Indexed: 09/01/2023] Open
Abstract
Methicillin-resistant Staphylococcus aureus (MRSA) is one of the major causes for nosocomial infections and has been classified as "high priority pathogen" by the World Health Organization. Its ability to develop resistances has been a challenge for the last decades and is still a threat to health care systems, as strains with resistances to the so-called drugs of last resort have been discovered. Therefore, new antibiotics are urgently needed. Natural products are an important source for the development of new drugs, thereby mostly serving as lead compounds for further modification. In this review, the data on plant natural products with reported anti-MRSA activity until the end of 2022 is discussed, highlighting the most effective drugs with respect to their inhibitory concentrations as well as with regard to eventual synergistic effects with existing antibiotics. In the latter sense, the class of alkaloids must be mentioned, exhibiting additive or synergistic effects by inhibiting bacterial efflux pumps. With regard to the antibiotic activity, phloroglucinol derivatives certainly belong to the most promising compounds, revealing several candidates with remarkable effects, e.g., lupulone, ivesinol, rhodomyrtone, aspidinol, or hyperforin. Also, the class of terpenoids yielded noteworthy compounds, such as the sesquiterpene lactones parthenolide and lactopicrin as well as acetophenone sesquiterpenes and sphaerodiene type diterpenoids, respectively. In addition, pronounced effects were observed for the macrolide neurymenolide A and three flavonol dicoumaroylrhamnosides.
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Affiliation(s)
| | - Serhat S. Çiçek
- Department of Pharmaceutical Biology, Institute of Pharmacy, Kiel University, Kiel, Germany
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Kopel J, McDonald J, Hamood A. An Assessment of the In Vitro Models and Clinical Trials Related to the Antimicrobial Activities of Phytochemicals. Antibiotics (Basel) 2022; 11:antibiotics11121838. [PMID: 36551494 PMCID: PMC9774156 DOI: 10.3390/antibiotics11121838] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Revised: 12/15/2022] [Accepted: 12/16/2022] [Indexed: 12/24/2022] Open
Abstract
An increased number antibiotic-resistant bacteria have emerged with the rise in antibiotic use worldwide. As such, there has been a growing interest in investigating novel antibiotics against antibiotic-resistant bacteria. Due to the extensive history of using plants for medicinal purposes, scientists and medical professionals have turned to plants as potential alternatives to common antibiotic treatments. Unlike other antibiotics in use, plant-based antibiotics have the innate ability to eliminate a broad spectrum of microorganisms through phytochemical defenses, including compounds such as alkaloids, organosulfur compounds, phenols, coumarins, and terpenes. In recent years, these antimicrobial compounds have been refined through extraction methods and tested against antibiotic-resistant strains of Gram-negative and Gram-positive bacteria. The results of the experiments demonstrated that plant extracts successfully inhibited bacteria independently or in combination with other antimicrobial products. In this review, we examine the use of plant-based antibiotics for their utilization against antibiotic-resistant bacterial infections. In addition, we examine recent clinical trials utilizing phytochemicals for the treatment of several microbial infections.
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Affiliation(s)
- Jonathan Kopel
- School of Medicine, Texas Tech University Health Sciences Center, Lubbock, TX 79430, USA
| | | | - Abdul Hamood
- Department of Immunology and Molecular Microbiology, Texas Tech University Health Sciences Center, Lubbock, TX 79430, USA
- Department of Surgery, Texas Tech University Health Sciences Center, Lubbock, TX 79430, USA
- Correspondence:
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Chemistry, Biosynthesis and Pharmacology of Viniferin: Potential Resveratrol-Derived Molecules for New Drug Discovery, Development and Therapy. Molecules 2022; 27:molecules27165072. [PMID: 36014304 PMCID: PMC9414909 DOI: 10.3390/molecules27165072] [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: 06/18/2022] [Revised: 07/20/2022] [Accepted: 08/03/2022] [Indexed: 11/20/2022] Open
Abstract
Viniferin is a resveratrol derivative. Resveratrol is the most prominent stilbenoid synthesized by plants as a defense mechanism in response to microbial attack, toxins, infections or UV radiation. Different forms of viniferin exist, including alpha-viniferin (α-viniferin), beta-viniferin (β-viniferin), delta-viniferin (δ-viniferin), epsilon-viniferin (ε-viniferin), gamma-viniferin (γ-viniferin), R-viniferin (vitisin A), and R2-viniferin (vitisin B). All of these forms exhibit a range of important biological activities and, therefore, have several possible applications in clinical research and future drug development. In this review, we present a comprehensive literature search on the chemistry and biosynthesis of and the diverse studies conducted on viniferin, especially with regards to its anti-inflammatory, antipsoriasis, antidiabetic, antiplasmodic, anticancer, anti-angiogenic, antioxidant, anti-melanogenic, neurodegenerative effects, antiviral, antimicrobial, antifungal, antidiarrhea, anti-obesity and anthelminthic activities. In addition to highlighting its important chemical and biological activities, coherent and environmentally acceptable methods for establishing vinferin on a large scale are highlighted to allow the development of further research that can help to exploit its properties and develop new phyto-pharmaceuticals. Overall, viniferin and its derivatives have the potential to be the most effective nutritional supplement and supplementary medication, especially as a therapeutic approach. More researchers will be aware of viniferin as a pharmaceutical drug as a consequence of this review, and they will be encouraged to investigate viniferin and its derivatives as pharmaceutical drugs to prevent future health catastrophes caused by a variety of serious illnesses.
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Seo H, Kim S, Mahmud HA, Islam MI, Yoon Y, Cho HD, Nam KW, Choi J, Gil YS, Lee BE, Song HY. A novel class of antimicrobial drugs selectively targets a Mycobacterium tuberculosis PE-PGRS protein. PLoS Biol 2022; 20:e3001648. [PMID: 35639773 PMCID: PMC9154192 DOI: 10.1371/journal.pbio.3001648] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Accepted: 04/26/2022] [Indexed: 11/21/2022] Open
Abstract
The continued spread of drug-resistant tuberculosis is one of the most pressing and complex challenges facing tuberculosis management worldwide. Therefore, developing a new class of drugs is necessary and urgently needed to cope with the increasing threat of drug-resistant tuberculosis. This study aims to discover a potential new class of tuberculosis drug candidates different from existing tuberculosis drugs. By screening a library of compounds, methyl (S)-1-((3-alkoxy-6,7-dimethoxyphenanthren-9-yl)methyl)-5-oxopyrrolidine-2-carboxylate (PP) derivatives with antitubercular activity were discovered. MIC ranges for PP1S, PP2S, and PP3S against clinically isolated drug-resistant Mycobacterium tuberculosis strains were 0.78 to 3.13, 0.19 to 1.56, and 0.78 to 6.25 μg/ml, respectively. PPs demonstrated antitubercular activities in macrophage and tuberculosis mouse models, showing no detectable toxicity in all assays tested. PPs specifically inhibited M. tuberculosis without significantly changing the intestinal microbiome in mice. Mutants selected in vitro suggest that the drug targets the PE-PGRS57, which has been found only in the genomes of the M. tuberculosis complex, highlighting the specificity and safety potency of this compound. As PPs show an excellent safety profile and highly selective toxicity specific to M. tuberculosis, PPs are considered a promising new candidate for the treatment of drug-resistant tuberculosis while maintaining microbiome homeostasis.
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Affiliation(s)
- Hoonhee Seo
- Department of Microbiology and Immunology, School of Medicine, Soonchunhyang University, Dongnam-gu, Cheonan-si, Chungnam, Republic of Korea
- Probiotics Microbiome Convergence Center, Soonchunhyang University, Sinchang-myeon, Asan-si, Chungnam, Republic of Korea
| | - Sukyung Kim
- Department of Microbiology and Immunology, School of Medicine, Soonchunhyang University, Dongnam-gu, Cheonan-si, Chungnam, Republic of Korea
- Probiotics Microbiome Convergence Center, Soonchunhyang University, Sinchang-myeon, Asan-si, Chungnam, Republic of Korea
| | - Hafij Al Mahmud
- Department of Microbiology and Immunology, School of Medicine, Soonchunhyang University, Dongnam-gu, Cheonan-si, Chungnam, Republic of Korea
| | - Md Imtiazul Islam
- Department of Microbiology and Immunology, School of Medicine, Soonchunhyang University, Dongnam-gu, Cheonan-si, Chungnam, Republic of Korea
| | - Youjin Yoon
- Department of Microbiology and Immunology, School of Medicine, Soonchunhyang University, Dongnam-gu, Cheonan-si, Chungnam, Republic of Korea
| | - Hyun-Deuk Cho
- Department of Pathology, School of Medicine, Soonchunhyang University, Dongnam-gu, Cheonan-si, Chungnam, Republic of Korea
| | - Kung-Woo Nam
- Department of Life Science and Biotechnology, School of Life Sciences, Soonchunhyang University, Sinchang-myeon, Asan-si, Chungnam, Republic of Korea
| | - Jiwon Choi
- College of Pharmacy, Dongduk Women’s University, Seongbuk-gu, Seoul, Republic of Korea
| | - Young Sig Gil
- R&D Center, Kolmarpharma Co., Ltd., Jecheon-si, Chungbuk, Republic of Korea
| | - Byung-Eui Lee
- Probiotics Microbiome Convergence Center, Soonchunhyang University, Sinchang-myeon, Asan-si, Chungnam, Republic of Korea
| | - Ho-Yeon Song
- Department of Microbiology and Immunology, School of Medicine, Soonchunhyang University, Dongnam-gu, Cheonan-si, Chungnam, Republic of Korea
- Probiotics Microbiome Convergence Center, Soonchunhyang University, Sinchang-myeon, Asan-si, Chungnam, Republic of Korea
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