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Rosa LS, Argolo CO, Nascimento CM, Pimentel AS. Identifying Substructures That Facilitate Compounds to Penetrate the Blood-Brain Barrier via Passive Transport Using Machine Learning Explainer Models. ACS Chem Neurosci 2024; 15:2144-2159. [PMID: 38723285 PMCID: PMC11157485 DOI: 10.1021/acschemneuro.3c00840] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2023] [Revised: 04/15/2024] [Accepted: 04/16/2024] [Indexed: 06/06/2024] Open
Abstract
The local interpretable model-agnostic explanation (LIME) method was used to interpret two machine learning models of compounds penetrating the blood-brain barrier. The classification models, Random Forest, ExtraTrees, and Deep Residual Network, were trained and validated using the blood-brain barrier penetration dataset, which shows the penetrability of compounds in the blood-brain barrier. LIME was able to create explanations for such penetrability, highlighting the most important substructures of molecules that affect drug penetration in the barrier. The simple and intuitive outputs prove the applicability of this explainable model to interpreting the permeability of compounds across the blood-brain barrier in terms of molecular features. LIME explanations were filtered with a weight equal to or greater than 0.1 to obtain only the most relevant explanations. The results showed several structures that are important for blood-brain barrier penetration. In general, it was found that some compounds with nitrogenous substructures are more likely to permeate the blood-brain barrier. The application of these structural explanations may help the pharmaceutical industry and potential drug synthesis research groups to synthesize active molecules more rationally.
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Affiliation(s)
- Lucca
Caiaffa Santos Rosa
- Departamento de Química, Pontifícia Universidade Católica do
Rio de Janeiro, Rio de
Janeiro, RJ 22453-900, Brazil
| | - Caio Oliveira Argolo
- Departamento de Química, Pontifícia Universidade Católica do
Rio de Janeiro, Rio de
Janeiro, RJ 22453-900, Brazil
| | | | - Andre Silva Pimentel
- Departamento de Química, Pontifícia Universidade Católica do
Rio de Janeiro, Rio de
Janeiro, RJ 22453-900, Brazil
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Shi G, Lu X, Zheng Y, Yang T, Zhu E, Song Y, Huang P. Insights into the potential dual-antibacterial mechanism of Kelisha capsule on Escherichia coli. BMC Complement Med Ther 2024; 24:207. [PMID: 38807130 PMCID: PMC11134901 DOI: 10.1186/s12906-024-04500-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2023] [Accepted: 05/13/2024] [Indexed: 05/30/2024] Open
Abstract
Traditional Chinese medicine (TCM), AYURVEDA and Indian medicine are essential in disease prevention and treatment. Kelisha capsule (KLSC), a TCM formula listed in the Chinese Pharmacopoeia, has been clinically proven to possess potent antibacterial properties. However, the precise antimicrobial mechanism of KLSC remained unknown. This study aimed to elucidate the dual antibacterial mechanism of KLSC using network pharmacology, molecular docking, and experimental validation. By analyzing the growth curve of Escherichia coli (E. coli), it was observed that KLSC significantly inhibited its growth, showcasing a remarkable antibacterial effect. Furthermore, SEM and TEM analysis revealed that KLSC damaged the cell wall and membrane of E. coli, resulting in cytoplasmic leakage, bacterial death, and the exertion of antibacterial effects. The network pharmacology analysis revealed that KLSC exhibited an effect on E. coli ATP synthase, thereby influencing the energy metabolism process. The molecular docking outcomes provided evidence that the active compounds of KLSC could effectively bind to the ATP synthase subunit. Subsequently, experimental findings substantiated that KLSC effectively suppressed the activity of ATP synthase in E. coli and consequently decreased the ATP content. This study highlighted the dual antibacterial mechanism of KLSC, emphasizing its effects on cell structure and energy metabolism, suggesting its potential as a natural antibacterial agent for E. coli-related infections. These findings offered new insights into exploring the antibacterial mechanisms of TCM by focusing on the energy metabolism process.
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Affiliation(s)
- Guolin Shi
- Department of Ultrasound in Medicine, School of Medicine, The Second Affiliated Hospital of Zhejiang University, Zhejiang University, 88 Jiefang Road, Shangcheng District, Hangzhou, 310009, China
- Post-Doctoral Research Center, Zhejiang SUKEAN Pharmaceutical Co., Ltd, Hangzhou, 311228, China
| | - Xiao Lu
- Post-Doctoral Research Center, Zhejiang SUKEAN Pharmaceutical Co., Ltd, Hangzhou, 311228, China
| | - Yuanhang Zheng
- Post-Doctoral Research Center, Zhejiang SUKEAN Pharmaceutical Co., Ltd, Hangzhou, 311228, China
| | - Tao Yang
- Post-Doctoral Research Center, Zhejiang SUKEAN Pharmaceutical Co., Ltd, Hangzhou, 311228, China
| | - Enyuan Zhu
- Post-Doctoral Research Center, Zhejiang SUKEAN Pharmaceutical Co., Ltd, Hangzhou, 311228, China
| | - Yanhong Song
- Post-Doctoral Research Center, Zhejiang SUKEAN Pharmaceutical Co., Ltd, Hangzhou, 311228, China
| | - Pintong Huang
- Department of Ultrasound in Medicine, School of Medicine, The Second Affiliated Hospital of Zhejiang University, Zhejiang University, 88 Jiefang Road, Shangcheng District, Hangzhou, 310009, China.
- Research Center of Ultrasound in Medicine and Biomedical Engineering, The Second Affiliated Hospital of Zhejiang University School of Medicine, Zhejiang University, Hangzhou, 310009, China.
- Research Center for Life Science and Human Health, Binjiang Institute of Zhejiang University, Hangzhou, 310053, China.
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Sarkar A, Debnath S, Das Chowdhury B, Ghosh R, Debnath B. Identification of phytoconstituents from Dicliptera paniculata and study of antibacterial activity guided by molecular docking. In Silico Pharmacol 2024; 12:18. [PMID: 38525048 PMCID: PMC10959854 DOI: 10.1007/s40203-024-00196-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Accepted: 02/08/2024] [Indexed: 03/26/2024] Open
Abstract
According to WHO, antibiotic resistance is one of the biggest healthcare challenges to the global community. Therefore, it is absolutely essential to discover new antibiotics to address the challenge. Dicliptera paniculata (ForssK.) I. Darbysh, a rare medicinal herb of Acanthaceae, is known for its noteworthy uses as a flavoring, spicing, and antibacterial agent. The primary goal of the study is to identify novel antibacterials from D. paniculata. The petroleum ether fraction of the methanol extract of D. paniculata was subjected to GC-MS and identified 14 compounds. Several bacterial target proteins were used for molecular docking. The antibacterial activity of petroleum-ether fraction was evaluated on bacteria whose target protein interacts most strongly with identified molecules. The molecules DP_02, DP_06, and DP_14 exhibited the highest docking scores with Staphylococcus aureus dihydrofolate reductase, which were - 6.283, - 7.705, and - 6.364 kcal/mol, respectively. The MM-GBSA binding energy of compounds DP_02, DP_06, and DP_14 were - 46.736, - 42.366, and - 35.734 kcal/mol, respectively. The MM-GBSA binding energy and decent docking score of the compounds DP_02 and DP_06 were both encouraging, and both of the compounds are drug-like. The finding was validated through studies on antibacterial effectiveness against S. aureus and showed encouraging results. These two molecules might serve as the building blocks for the future development of potent antibiotics.
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Affiliation(s)
- Alekhya Sarkar
- Department of Forestry and Biodiversity, Tripura University, Suryamaninagar, Tripura India
| | - Sudhan Debnath
- Department of Chemistry, Netaji Subhash Mahavidyalaya, Udaipur, Tripura 799 114 India
| | - Bipul Das Chowdhury
- Department of Forestry and Biodiversity, Tripura University, Suryamaninagar, Tripura India
| | - Rajat Ghosh
- Department of Pharmacy, Tripura University, Suryamaninagar, Tripura India
| | - Bimal Debnath
- Department of Forestry and Biodiversity, Tripura University, Suryamaninagar, Tripura India
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Shalini K, Guleria S, Salaria D, Rolta R, Fadare OA, Mehta J, Awofisayo O, Mandyal P, Shandilya P, Kaushik N, Choi EH, Chandel SR, Kaushik NK. Antimicrobial potential of phytocompounds of Acorus calamus: in silico approach. J Biomol Struct Dyn 2024; 42:2726-2737. [PMID: 37177811 DOI: 10.1080/07391102.2023.2209653] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Accepted: 04/19/2023] [Indexed: 05/15/2023]
Abstract
Medicinal plants are used from prehistoric time to cure various life-threatening bacterial diseases. Acorus calamus is an important medicinal plant widely used to cure gastrointestinal, respiratory, kidney and liver disorders. The objective of the current research was to investigate the interaction of major phytoconstituents of Acorus calamus with bacterial (6VJE) and fungal (1EA1) protein targets. Protein-ligand interactions were estimated using the AutoDock software, drug likeness was predicted by using the molinspiration server and toxicity was predicted with the swissADME and protox II servers. MD simulation of phytocompounds with the best profiles was done on the GROMACS software for 100 ns. Molecular docking results showed among all the selected major phytoconstituents, that β-cadinene showed best binding interaction in complex with bacterial (6VJE) and fungal (1EA1) protein targets with binding energy -7.66 ± 0.1 and -7.73 ± 0.15 kcal mol-1, respectively. Drug likeness and toxicity predictions showed that β-cadinene follows all rules of drug likeness and toxicity. MD simulation study revealed that β-cadinene fit in binding pocket of bacterial and fungal targets and found to be stable throughout the duration of the simulation. Based on the observations from this in-silico study it is being proposed that β-cadinene, a major phytocompound of Acorus calamus, can be considered for the treatment of bacterial and fungal infections since the study shows that it might be one of the compounds that contributes majorly to the plant's biological activity. This study needs in vitro and in vivo validation.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Kumari Shalini
- Division of Microbiology, School of Pharmaceutical and Health Sciences, Career Point University, Hamirpur, India
| | - Shikha Guleria
- Faculty of Applied Sciences and Biotechnology, Shoolini University, Solan, India
| | - Deeksha Salaria
- Department of Pharmacology, Post Graduate Institute of Medical Education and Research, Chandigarh, India
| | - Rajan Rolta
- Department of Pharmacology, Post Graduate Institute of Medical Education and Research, Chandigarh, India
| | - Olatomide A Fadare
- Organic Chemistry Research Lab, Obafemi Awolowo University, Ile-Ife, Nigeria
| | - Jyoti Mehta
- Faculty of Applied Sciences and Biotechnology, Shoolini University, Solan, India
| | - Oladoja Awofisayo
- Department of Pharmaceutical and Medical Chemistry, University of Uyo, Uyo, Nigeria
| | - Parteek Mandyal
- School Advanced of Chemical Sciences, Shoolini University, Solan, India
| | - Pooja Shandilya
- School Advanced of Chemical Sciences, Shoolini University, Solan, India
| | - Neha Kaushik
- Department of Biotechnology, College of Engineering, The University of Suwon, Hwaseong-si, Republic of Korea
| | - Eun Ha Choi
- Plasma Bioscience Research Center, Department of Electrical and Biological Physics, Kwangwoon University, Seoul, Republic of Korea
| | - Shikha Rangra Chandel
- Division of Microbiology, School of Pharmaceutical and Health Sciences, Career Point University, Hamirpur, India
| | - Nagendra Kumar Kaushik
- Plasma Bioscience Research Center, Department of Electrical and Biological Physics, Kwangwoon University, Seoul, Republic of Korea
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5
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Luna-Pineda VM, Rodríguez-Martínez G, Salazar-García M, Romo-Castillo M. Plant-Origin Components: New Players to Combat Antibiotic Resistance in Klebsiella pneumoniae. Int J Mol Sci 2024; 25:2134. [PMID: 38396811 PMCID: PMC10888558 DOI: 10.3390/ijms25042134] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Revised: 01/09/2024] [Accepted: 01/13/2024] [Indexed: 02/25/2024] Open
Abstract
Klebsiella pneumoniae (Kpn) is an opportunistic pathogen that causes intrahospital complications such as pneumonia, liver abscesses, soft tissue infections, urinary infections, bacteraemia, and, in some cases, death. Since this bacterium has a higher frequency than other Gram-negative pathogens, it has become an important pathogen to the health sector. The adaptative genome of Kpn likely facilitates increased survival of the pathogen in diverse situations. Therefore, several studies have been focused on developing new molecules, synergistic formulations, and biomaterials that make it possible to combat and control infections with and dispersion of this pathogen. Note that the uncontrolled antibiotic administration that occurred during the pandemic led to the emergence of new multidrug-resistant strains, and scientists were challenged to overcome them. This review aims to compile the latest information on Kpn that generates intrahospital infections, specifically their pathogenicity-associated factors. Furthermore, it explains the natural-product-based treatments (extracts and essential oils) developed for Kpn infection and dispersion control.
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Affiliation(s)
- Victor M. Luna-Pineda
- Laboratorio de Investigación en COVID-19, Hospital Infantil de México Federico Gómez, Ciudad de México 06720, Mexico; (V.M.L.-P.); (G.R.-M.)
- Laboratorio de Investigación en Inmunología y Proteómica, Hospital Infantil de México Federico Gómez, Ciudad de México 06720, Mexico
| | - Griselda Rodríguez-Martínez
- Laboratorio de Investigación en COVID-19, Hospital Infantil de México Federico Gómez, Ciudad de México 06720, Mexico; (V.M.L.-P.); (G.R.-M.)
- Laboratorio de Investigación en Inmunología y Proteómica, Hospital Infantil de México Federico Gómez, Ciudad de México 06720, Mexico
| | - Marcela Salazar-García
- Departamento de Investigación Biomédica, Hospital Infantil de México Federico Gómez, Ciudad de México 06720, Mexico;
| | - Mariana Romo-Castillo
- IxM/CONAHCYT-HIMFG, Laboratorio de Investigación en Inmunología y Proteómica, Hospital Infantil de México Federico Gómez, Ciudad de México 06720, Mexico
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Joshi S, Joshi R, Jadhao M. A simple dual responsive chemosensor for selective sensing of Cs + for environmental monitoring and mimicking molecular logic gates. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2024; 306:123580. [PMID: 37922850 DOI: 10.1016/j.saa.2023.123580] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Revised: 10/25/2023] [Accepted: 10/26/2023] [Indexed: 11/07/2023]
Abstract
Detection of toxic metals is of vital importance to safeguard both public health and the ecosystem. Herein, we investigate the newly designed and synthesised isoxazole-based azo dye, (E)-cyclopentyl(5-((5-(4-fluorophenyl) isoxazole-3-yl) diazenyl)-2-hydroxyphenyl) methanone (FPAZ), as a dual chromogenic and fluorogenic sensor. FPAZ demonstrates high selectivity, reusability and ultra-sensitivity towards Cs+ ions manifested through naked eye detection in aqueous medium by employing simple and economic optical spectroscopy techniques. The color change from colourless to dark yellow and enhancement of fluorescence intensity reveal about FPAZ-Cs+ complexation by UV-Vis and fluorescence spectroscopy respectively. The complexation is also supported by DFT calculations. The LOD is estimated to be 0.476 µM, which by far, is the lowest LOD obtained for Cs+ detection. Further, FPAZ is fabricated with various flexible materials (paper, cotton, non-woven fabric) which provide information about on-site Cs+ ion contamination by means of change in relative RGB values using a handy smart-phone camera. Besides this, the logic gate as IMPLICATION and INHIBIT is designed employing Cs+ and Cl- ions as inputs and absorbance maxima as output. Overall, the developed chemosensor is simple, quick, and more promising than previously reported systems, as it does not need any chemical modification, expensive instruments, or expertise.
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Affiliation(s)
- Supriya Joshi
- Institute of Chemical Technology Mumbai Marathwada Campus Jalna, Maharashtra 431203, India
| | - Ritika Joshi
- Institute of Chemical Technology Mumbai Marathwada Campus Jalna, Maharashtra 431203, India; Department of Chemistry, S.B.E.S. College of Science, Aurangabad, Maharashtra 431001, India
| | - Manojkumar Jadhao
- Institute of Chemical Technology Mumbai Marathwada Campus Jalna, Maharashtra 431203, India.
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7
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Rathod S, Dey S, Choudhari P, Mahuli D, Rochlani S, Dhavale R, Chaudhari S, Tamboli Y, Kilbile J, Rajakumara E. High-throughput computational screening for identification of potential hits against bacterial Acriflavine resistance protein B (AcrB) efflux pump. J Biomol Struct Dyn 2024:1-17. [PMID: 38264919 DOI: 10.1080/07391102.2024.2302936] [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: 11/03/2023] [Accepted: 01/03/2024] [Indexed: 01/25/2024]
Abstract
Antibiotic resistance is a pressing global health challenge, driven in part by the remarkable efflux capabilities of efflux pump in AcrB (Acriflavine Resistance Protein B) protein in Gram-negative bacteria. In this study, a multi-approached computational screening strategy encompassing molecular docking, In silico absorption, distribution, metabolism, excretion and toxicity (ADMET) analysis, druglikeness assessment, molecular dynamics simulations and density functional theory studies was employed to identify novel hits capable of acting against AcrB-mediated antibiotic resistance. Ligand library was acquired from the COCONUT database. Performed computational analyses unveiled four promising hit molecules (CNP0298667, CNP0399927, CNP0321542 and CNP0269513). Notably, CNP0298667 exhibited the highest negative binding affinity of -11.5 kcal/mol, indicating a possibility of strong potential to disrupt AcrB function. Importantly, all four hits met stringent druglikeness criteria and demonstrated favorable in silico ADMET profiles, underscoring their potential for further development. MD simulations over 100 ns revealed that the CNP0321542-4DX5 and CNP0269513-4DX5 complexes formed robust and stable interactions with the AcrB efflux pump. The identified hits represent a promising starting point for the design and optimization of novel therapeutics aimed at combating AcrB-mediated antibiotic resistance in Gram-negative bacteria.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Sanket Rathod
- Department of Pharmaceutical Chemistry, Bharati Vidyapeeth College of Pharmacy, Kolhapur, India
| | - Sreenath Dey
- Macromolecular Structural Biology Lab, Department of Biotechnology, Indian Institute of Technology, Hyderabad, Sangareddy, India
| | - Prafulla Choudhari
- Department of Pharmaceutical Chemistry, Bharati Vidyapeeth College of Pharmacy, Kolhapur, India
| | - Deepak Mahuli
- Department of Pharmacology, Bharati Vidyapeeth College of Pharmacy, Kolhapur, India
| | - Sneha Rochlani
- Department of Pharmaceutical Chemistry, Bharati Vidyapeeth College of Pharmacy, Kolhapur, India
| | - Rakesh Dhavale
- Department of Pharmaceutics, Bharati Vidyapeeth College of Pharmacy, Kolhapur, India
| | - Somdatta Chaudhari
- Department of Pharmaceutical Chemistry, Progressive Education Society's Modern College of Pharmacy, Nigdi, India
| | - Yasinalli Tamboli
- King Abdullah International Medical Research Center (KAIMRC), King Saud Bin Abdulaziz University for Health Sciences, Ministry of National Guard-Health Affairs, Riyadh, Saudi Arabia
| | - Jaydeo Kilbile
- University Department of Basic and Applied Sciences (Chemistry), MGM University, Aurangabad, India
| | - Eerappa Rajakumara
- Macromolecular Structural Biology Lab, Department of Biotechnology, Indian Institute of Technology, Hyderabad, Sangareddy, India
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Gasmi A, Noor S, Dadar M, Semenova Y, Menzel A, Gasmi Benahmed A, Bjørklund G. The Role of Traditional Chinese Medicine and Chinese Pharmacopoeia in the Evaluation and Treatment of COVID-19. Curr Pharm Des 2024; 30:1060-1074. [PMID: 38523518 DOI: 10.2174/0113816128217263240220060252] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2023] [Revised: 01/06/2024] [Accepted: 01/17/2024] [Indexed: 03/26/2024]
Abstract
The epidemic prompted by COVID-19 continues to spread, causing a great risk to the general population's safety and health. There are still no drugs capable of curing it. Severe Acute Respiratory Syndrome (SARS) and Middle East Respiratory Syndrome (MERS) are the two other diseases caused by coronaviruses. Traditional Chinese Medicine (TCM) showed benefits in treating SARS and MERS by preventing the disease early, substantially mitigating symptoms, shortening the treatment period, and minimizing risks and adverse reactions caused by hormone therapy. Although several vaccines have been developed and are being used for the treatment of COVID-19, existing vaccines cannot provide complete protection against the virus due to the rapid evolution and mutation of the virus, as mutated viral epitopes evade the vaccine's target and decrease the efficacy of vaccines. Thus, there is a need to develop alternative options. TCM has demonstrated positive effects in the treatment of COVID-19. Previous research studies on TCM showed broad-spectrum antiviral activity, offering a range of possibilities for their potential use against COVID-19. This study shed some light on common TCM used for SARS and MERS outbreaks and their effective use for COVID-19 management. This study provides new insights into COVID-19 drug discovery.
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Affiliation(s)
- Amin Gasmi
- Société Francophone de Nutrithérapie et de Nutrigénétique Appliquée, Villeurbanne, France
| | - Sadaf Noor
- Institute of Molecular Biology and Biotechnology, Bahauddin Zakariya University, Multan, Pakistan
| | - Maryam Dadar
- CONEM Iran Microbiology Research Group, Tehran, Iran
| | - Yuliya Semenova
- School of Medicine, Nazarbayev University, Astana, Kazakhstan
| | | | | | - Geir Bjørklund
- Council for Nutritional and Environmental Medicine (CONEM), Mo i Rana, Norway
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R K, S M, Igk I, J S, S V. Analyzing the Antihyperglycemic Effect of Cissus quadrangularis and Bacopa monnieri on 3T3-L1 Cell Lines. Cureus 2024; 16:e52661. [PMID: 38380214 PMCID: PMC10877220 DOI: 10.7759/cureus.52661] [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: 12/13/2023] [Accepted: 01/21/2024] [Indexed: 02/22/2024] Open
Abstract
Background Cissus quadrangularis is a perennial shrub of the grape family. Other names for it include devil's backbone, veld grape, and pirandai (Tamil). Bacopa monnieri, a perennial plant, is native to wetlands in eastern and southern India. The 3T3-L1 cell line, which was created from 3T3 cells, was used in the scientific study. The current study's purpose is to evaluate the antihyperglycemic benefits of B. monnieri and C. quadrangularis, which will be added to the current arsenal of efficient herbal hypoglycemic medications. Aim To analyze and compare the anti-hyperglycaemic effects of the two plant extracts, C. quadrangularis and B. monnieri using a 3T3-L1 cell line. Materials and methods C. quadrangularis seeds were gathered, and extraction was conducted. The B. monnieri plant was harvested, and a rotary evaporator was used to extract the flower. Adipocyte cells were obtained from NCCS, Pune. A CO2 incubator was used to incubate the cells. The MTT assay and gene expression analysis were done on the cell line samples. Results The antihyperglycemic effects of C. quadrangularis IRS mRNA levels of 0.7 and AKT mRNA levels of 0.7 are compared to B. monnieri IRS1 mRNA levels of 0.6 and AKT mRNA levels of 0.6 to build better diabetic treatments. The antihyperglycemic benefits of C. quadrangularis levels of IRS mRNA and AKT mRNA are compared to the influence of B. monnieri IRS1 mRNA and AKT mRNA on the development of better diabetic drugs. Conclusion Comparing the effects of C. quadrangularis and B. monnieri on the 3T3 cell line by gene expression of IRS mRNA and AKT mRNA suggests that the particular AKT downregulation shows that insulin suppresses gluconeogenesis and C. quadrangularis inhibits hyperglycemia in 3T3-L1 cells, while research on in vitro rats suggests that B. monnieri may minimize the signs and symptoms of diabetes via enhancing IRS1/AKT signaling.
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Affiliation(s)
- Katheeja R
- Department of Physiology, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences (SIMATS) Saveetha University, Chennai, IND
| | - Manish S
- Department of Physiology, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences (SIMATS) Saveetha University, Chennai, IND
| | - Ilangovar Igk
- Department of Physiology, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences (SIMATS) Saveetha University, Chennai, IND
| | - Selvaraj J
- Department of Biochemistry, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences (SIMATS) Saveetha University, Chennai, IND
| | - Vasugi S
- Department of Physiology, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences (SIMATS) Saveetha University, Chennai, IND
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Microbiota Ecosystem in Recurrent Cystitis and the Immunological Microenvironment of Urothelium. Healthcare (Basel) 2023; 11:healthcare11040525. [PMID: 36833059 PMCID: PMC9956625 DOI: 10.3390/healthcare11040525] [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: 12/20/2022] [Revised: 01/31/2023] [Accepted: 02/08/2023] [Indexed: 02/12/2023] Open
Abstract
Urinary tract infections (UTIs) represent one of the most frequent low genital tract diseases in the female population. When UTIs occur with a frequency of at least three times per year or two times in the last six month, we speak of recurrent UTI (rUTI) and up to 70% of women will have rUTI within 1 year. It was previously thought that antibiotic resistance was principally responsible for the recurrence of UTIs, but nowadays new diagnostic technologies have shown the role of microbiota in the pathophysiology of these diseases. Much research has been conducted on the role of gut microbiome in the development of rUTI, while little is known yet about vaginal and urinary microbiome and the possible immunological and microscopical mechanisms through which they trigger symptoms. New discoveries and clinical perspectives are arising, and they all agree that a personalized, multi-modal approach, treating vaginal and urinary dysbiosis, may reduce rUTIs more successfully.
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11
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Al-Sallami D, Alsultan A, Abbas KH, Clarke SR. Evaluation of efflux pump inhibitory activity of some plant extracts and using them as adjuvants to potentiate the inhibitory activity of some antibiotics against Staphylococcus aureus. Open Vet J 2023; 13:42-47. [PMID: 36777436 PMCID: PMC9897506 DOI: 10.5455/ovj.2023.v13.i1.5] [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: 09/09/2022] [Accepted: 12/11/2022] [Indexed: 02/05/2023] Open
Abstract
Background Antibiotic-resistant pathogens became a real global threat to human and animal health. This needs to concentrate the efforts to minimize and control these organisms. Efflux pumps are considered one of the important strategies used by bacteria to exclude harmful materials from the cell. Inhibition of these pumps can be an active strategy against multidrug resistance pathogens. There are two sources of efflux pump inhibitors that can be used, chemical and natural inhibitors. The chemical origin efflux pump inhibitors have many toxic side effects while the natural origin is characterized by a wide margin of safety for the host cell. Aim In this study, the ability of some plant extracts like (propolis show rosemary, clove, capsaicin, and cumin) to potentiate the inhibitory activity of some antibiotics such as (ciprofloxacin, erythromycin, gentamycin, tetracycline, and ampicillin) against Staphylococcus aureus pathogen were tested. Methods Efflux pump inhibitory activity of the selected plant extracts was tested using an ethidium bromide (EtBr) accumulation assay. Results The results have shown that Propolis has a significant synergistic effect in combination with ciprofloxacin, erythromycin, and gentamycin. While it has no effect with tetracycline or ampicillin. Also, no synergic effect was noticed in a combination of the minimum inhibitory concentration for the selected plant extracts (rosemary, clove, capsaicin, and cumin) with any of the tested antibiotics. Interestingly, according to the results of the EtBr accumulation assay, Propolis has potent inhibitory activity against the S. aureus (MRS usa300) pump system. Conclusion This study suggests that Propolis might act as a resistance breaker that is able to restore the activity of ciprofloxacin, erythromycin, and gentamycin against S. aureus strains, in case of the efflux-mediated antimicrobial resistance mechanisms.
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Affiliation(s)
- Dhama Al-Sallami
- Department of Physiology, Pharmacology and Biochemistry, College of Veterinary Medicine, University of Al-Qadisiyah, Al-Diwaniyah, Iraq
| | - Amjed Alsultan
- Department of Internal and Preventive Medicine, College of Veterinary Medicine, University of Al-Qadisiyah, Al-Diwaniyah, Iraq,Corresponding Author: Amjed Alsultan. Department of Internal and Preventive Medicine, College of Veterinary Medicine, University of Al-Qadisiyah, Al- Diwaniyah, Iraq.
| | - Kadhim Hassan Abbas
- Department of Veterinary Public Health, College of Veterinary Medicine, University of Al-Qadisiyah, Al-Diwaniyah, Iraq
| | - Simon R. Clarke
- Department of Physiology, Pharmacology and Biochemistry, College of Veterinary Medicine, University of Al-Qadisiyah, Al-Diwaniyah, Iraq
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Identification of Coumarins and Antimicrobial Potential of Ethanolic Extracts of Dipteryx odorata and Dipteryx punctata. Molecules 2022; 27:molecules27185837. [PMID: 36144574 PMCID: PMC9505109 DOI: 10.3390/molecules27185837] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2022] [Revised: 09/02/2022] [Accepted: 09/04/2022] [Indexed: 11/25/2022] Open
Abstract
Dipteryx odorata and Dipteryx punctata are species native to the Amazonian, traded by extractivists to obtain coumarin. We aimed to analyze the presence of coumarin in the ethanolic extracts of leaves, branches and fruits of D. odorata and D. punctata and to evaluate the antimicrobial activity of these extracts against phytopathogenic fungi and bacteria of clinical interest. Chemical analyses were performed by thin layer chromatography (TLC) and by gas chromatography coupled to mass spectrometry (GC-MS). For the antifungal assays, the fungi used were Cercospora longissima, Colletotrichum gloeosporioides, two isolates of Fusarium spp. and Sclerotium rolfsii, and the antibacterial assay was performed using the minimum inhibitory concentration (MIC) test with Burkholderia cepacia, Escherichia coli, Pseudomonas aeruginosa and Staphylococcus aureus bacteria. In D. odorata seed extracts and in D. punctata husks, endocarps, and seeds, we identified 1,2-benzopyrone. D. odorata endocarp extracts and D. punctata seeds provided the greatest decrease in mycelial growth of the evaluated phytopathogens, showing promise as an alternative control. The husk and endocarp extracts of both species had a weak effect on E. coli. This research is the first to compare the different parts of species of the genus Dipteryx and to evaluate the use of husks and endocarps of D. punctata fruits to obtain coumarin. Chemical analyses used to quantify the compounds existing in the extracts, and tests with phytopathogens in vitro and in vivo are currently being carried out.
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