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Osei-Owusu H, Rondevaldova J, Houdkova M, Kudera T, Needham T, Mascellani A, Kokoska L. Evaluation of In Vitro Synergistic Effects of Tetracycline with Alkaloid-Related Compounds against Diarrhoeic Bacteria. Int J Mol Sci 2024; 25:6038. [PMID: 38892226 PMCID: PMC11173066 DOI: 10.3390/ijms25116038] [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: 05/06/2024] [Revised: 05/28/2024] [Accepted: 05/29/2024] [Indexed: 06/21/2024] Open
Abstract
Diarrhoea remains an important public health concern, particularly in developing countries, and has become difficult to treat because of antibacterial resistance. The development of synergistic antimicrobial agents appears to be a promising alternative treatment against diarrhoeic infections. In this study, the combined effect of tetracycline together with either nitroxoline, sanguinarine, or zinc pyrithione (representing various classes of plant-based compounds) was evaluated in vitro against selected diarrhoeic bacteria (Enterococcus faecalis, Escherichia coli, Listeria monocytogenes, Shigella flexneri, Vibrio parahaemolyticus, and Yersinia enterocolitica). The chequerboard method in 96-well microtiter plates was used to determine the sum of the fractional inhibitory concentration indices (FICIs). Three independent experiments were performed per combination, each in triplicate. It was observed that the combination of tetracycline with either nitroxoline, sanguinarine, or zinc pyrithione produced synergistic effects against most of the pathogenic bacteria tested, with FICI values ranging from 0.086 to 0.5. Tetracycline-nitroxoline combinations produced the greatest synergistic action against S. flexneri at a FICI value of 0.086. The combinations of the agents tested in this study can thus be used for the development of new anti-diarrhoeic medications. However, studies focusing on their in vivo anti-diarrhoeic activity and safety are required before any consideration for utilization in human medicine.
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Affiliation(s)
- Hayford Osei-Owusu
- Department of Crop Sciences and Agroforestry, Faculty of Tropical AgriSciences, Czech University of Life Sciences Prague, Kamycka 129, Suchdol, 16500 Prague, Czech Republic; (H.O.-O.); (J.R.); (M.H.); (T.K.)
| | - Johana Rondevaldova
- Department of Crop Sciences and Agroforestry, Faculty of Tropical AgriSciences, Czech University of Life Sciences Prague, Kamycka 129, Suchdol, 16500 Prague, Czech Republic; (H.O.-O.); (J.R.); (M.H.); (T.K.)
| | - Marketa Houdkova
- Department of Crop Sciences and Agroforestry, Faculty of Tropical AgriSciences, Czech University of Life Sciences Prague, Kamycka 129, Suchdol, 16500 Prague, Czech Republic; (H.O.-O.); (J.R.); (M.H.); (T.K.)
| | - Tomas Kudera
- Department of Crop Sciences and Agroforestry, Faculty of Tropical AgriSciences, Czech University of Life Sciences Prague, Kamycka 129, Suchdol, 16500 Prague, Czech Republic; (H.O.-O.); (J.R.); (M.H.); (T.K.)
| | - Tersia Needham
- Department of Animal Science and Food Processing, Faculty of Tropical AgriSciences, Czech University of Life Sciences Prague, Kamycka 129, Suchdol, 16500 Prague, Czech Republic;
| | - Anna Mascellani
- Department of Food Science, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Kamycka 129, Suchdol, 16500 Prague, Czech Republic;
| | - Ladislav Kokoska
- Department of Crop Sciences and Agroforestry, Faculty of Tropical AgriSciences, Czech University of Life Sciences Prague, Kamycka 129, Suchdol, 16500 Prague, Czech Republic; (H.O.-O.); (J.R.); (M.H.); (T.K.)
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Qiao L, Zhang Y, Chen Y, Chi X, Ding J, Zhang H, Han Y, Zhang B, Jiang J, Lin Y. Synergistic Activity and Mechanism of Sanguinarine with Polymyxin B against Gram-Negative Bacterial Infections. Pharmaceutics 2024; 16:70. [PMID: 38258081 PMCID: PMC10820148 DOI: 10.3390/pharmaceutics16010070] [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: 11/08/2023] [Revised: 12/18/2023] [Accepted: 12/28/2023] [Indexed: 01/24/2024] Open
Abstract
Compounds that potentiate the activity of clinically available antibiotics provide a complementary solution, except for developing novel antibiotics for the rapid emergence of multidrug-resistant Gram-negative bacteria (GNB). We sought to identify compounds potentiating polymyxin B (PMB), a traditional drug that has been revived as the last line for treating life-threatening GNB infections, thus reducing its nephrotoxicity and heterogeneous resistance in clinical use. In this study, we found a natural product, sanguinarine (SA), which potentiated the efficacy of PMB against GNB infections. The synergistic effect of SA with PMB was evaluated using a checkerboard assay and time-kill curves in vivo and the murine peritonitis model induced by Escherichia coli in female CD-1 mice in vivo. SA assisted PMB in accelerating the reduction in bacterial loads both in vitro and in vivo, improving the inflammatory responses and survival rate of infected animals. The subsequent detection of the intracellular ATP levels, membrane potential, and membrane integrity indicated that SA enhanced the bacterial-membrane-breaking capacity of PMB. A metabolomic analysis showed that the inhibition of energy metabolism, interference with nucleic acid biosynthesis, and the blocking of L-Ara4N-related PMB resistance may also contribute to the synergistic effect. This study is the first to reveal the synergistic activity and mechanism of SA with PMB, which highlights further insights into anti-GNB drug development.
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Affiliation(s)
- Luyao Qiao
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China; (L.Q.); (Y.Z.); (Y.C.); (X.C.); (J.D.); (H.Z.); (Y.H.)
- Department of Pharmacy & State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing 100730, China;
| | - Yu Zhang
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China; (L.Q.); (Y.Z.); (Y.C.); (X.C.); (J.D.); (H.Z.); (Y.H.)
| | - Ying Chen
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China; (L.Q.); (Y.Z.); (Y.C.); (X.C.); (J.D.); (H.Z.); (Y.H.)
| | - Xiangyin Chi
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China; (L.Q.); (Y.Z.); (Y.C.); (X.C.); (J.D.); (H.Z.); (Y.H.)
| | - Jinwen Ding
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China; (L.Q.); (Y.Z.); (Y.C.); (X.C.); (J.D.); (H.Z.); (Y.H.)
| | - Hongjuan Zhang
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China; (L.Q.); (Y.Z.); (Y.C.); (X.C.); (J.D.); (H.Z.); (Y.H.)
| | - Yanxing Han
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China; (L.Q.); (Y.Z.); (Y.C.); (X.C.); (J.D.); (H.Z.); (Y.H.)
| | - Bo Zhang
- Department of Pharmacy & State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing 100730, China;
| | - Jiandong Jiang
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China; (L.Q.); (Y.Z.); (Y.C.); (X.C.); (J.D.); (H.Z.); (Y.H.)
| | - Yuan Lin
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China; (L.Q.); (Y.Z.); (Y.C.); (X.C.); (J.D.); (H.Z.); (Y.H.)
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Li X, Zhang L, Zhong Z, Sun S, Wu J, Liu F, Cao Z, Lu H, Liao X, Zhou B, Chen J. Sanguinarine exposure induces immunotoxicity and abnormal locomotor behavior in zebrafish. FISH & SHELLFISH IMMUNOLOGY 2023; 139:108898. [PMID: 37301310 DOI: 10.1016/j.fsi.2023.108898] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Revised: 05/21/2023] [Accepted: 06/07/2023] [Indexed: 06/12/2023]
Abstract
Sanguinarine (C20H14NO4+), a plant alkaloid and pesticide, works well a fungicidal and insecticidal applications. The prospect that sanguinarine may have potentially toxic effects on aquatic organisms has been brought to light by its use in agriculture. The first evaluation of the immunotoxic and behavioral effects of sanguinarine exposure on larval zebrafish was done in this work. Firstly, zebrafish embryos exposed to sanguinarine had shorter body length, larger yolk sacs, and slower heart rates. Secondly, the number of innate immune cells was significantly reduced. Thirdly, alterations in locomotor behavior were observed as exposure concentrations increased. Total distance travelled, travel time, and mean speed were all reduced. We also found significant changes in oxidative stress-related indicators and a significant increase in apoptosis in the embryos. Further studies revealed aberrant expression of some key genes in the TLR immune signaling pathway including CXCL-c1c, IL8, MYD88, and TLR4. At the same time, the expression of the pro-inflammatory cytokine IFN-γ was upregulated. To sum up, our results suggest that sanguinarine exposure may cause immunotoxicity and aberrant behavior in larval zebrafish.
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Affiliation(s)
- Xue Li
- Affiliated Hospital of Jinggangshan University, Jiangxi Engineering Laboratory of Zebrafish Modeling and Drug Screening for Human Diseases, College of Life Sciences, Jinggangshan University, Ji'an, 343009, Jiangxi, China; School of Ophthalmology and Optometry and Eye Hospital, Wenzhou Medical University, China; State Key Laboratory Cultivation Base and Key Laboratory of Vision Science of Ministry of Health and Zhejiang Provincial Key Laboratory of Ophthalmology, Wenzhou Medical University, Wenzhou, 325003, China
| | - Li Zhang
- Affiliated Hospital of Jinggangshan University, Jiangxi Engineering Laboratory of Zebrafish Modeling and Drug Screening for Human Diseases, College of Life Sciences, Jinggangshan University, Ji'an, 343009, Jiangxi, China
| | - Zilin Zhong
- Translational Research Institute of Brain and Brain-like Intelligence, Shanghai Key Laboratory of Anesthesiology and Brain Functional Modulation, Department of Pediatrics, Shanghai Fourth People's Hospital, School of Medicine, Tongji University, Shanghai, 200434, China
| | - Sujie Sun
- Translational Research Institute of Brain and Brain-like Intelligence, Shanghai Key Laboratory of Anesthesiology and Brain Functional Modulation, Department of Pediatrics, Shanghai Fourth People's Hospital, School of Medicine, Tongji University, Shanghai, 200434, China
| | - Jie Wu
- Affiliated Hospital of Jinggangshan University, Jiangxi Engineering Laboratory of Zebrafish Modeling and Drug Screening for Human Diseases, College of Life Sciences, Jinggangshan University, Ji'an, 343009, Jiangxi, China
| | - Fasheng Liu
- Affiliated Hospital of Jinggangshan University, Jiangxi Engineering Laboratory of Zebrafish Modeling and Drug Screening for Human Diseases, College of Life Sciences, Jinggangshan University, Ji'an, 343009, Jiangxi, China
| | - Zigang Cao
- Affiliated Hospital of Jinggangshan University, Jiangxi Engineering Laboratory of Zebrafish Modeling and Drug Screening for Human Diseases, College of Life Sciences, Jinggangshan University, Ji'an, 343009, Jiangxi, China
| | - Huiqiang Lu
- Affiliated Hospital of Jinggangshan University, Jiangxi Engineering Laboratory of Zebrafish Modeling and Drug Screening for Human Diseases, College of Life Sciences, Jinggangshan University, Ji'an, 343009, Jiangxi, China
| | - Xinjun Liao
- Affiliated Hospital of Jinggangshan University, Jiangxi Engineering Laboratory of Zebrafish Modeling and Drug Screening for Human Diseases, College of Life Sciences, Jinggangshan University, Ji'an, 343009, Jiangxi, China.
| | - Bing Zhou
- Affiliated Hospital of Jinggangshan University, Jiangxi Engineering Laboratory of Zebrafish Modeling and Drug Screening for Human Diseases, College of Life Sciences, Jinggangshan University, Ji'an, 343009, Jiangxi, China.
| | - Jianjun Chen
- Translational Research Institute of Brain and Brain-like Intelligence, Shanghai Key Laboratory of Anesthesiology and Brain Functional Modulation, Department of Pediatrics, Shanghai Fourth People's Hospital, School of Medicine, Tongji University, Shanghai, 200434, China.
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Ashraf MV, Pant S, Khan MAH, Shah AA, Siddiqui S, Jeridi M, Alhamdi HWS, Ahmad S. Phytochemicals as Antimicrobials: Prospecting Himalayan Medicinal Plants as Source of Alternate Medicine to Combat Antimicrobial Resistance. Pharmaceuticals (Basel) 2023; 16:881. [PMID: 37375828 DOI: 10.3390/ph16060881] [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: 04/14/2023] [Revised: 06/10/2023] [Accepted: 06/12/2023] [Indexed: 06/29/2023] Open
Abstract
Among all available antimicrobials, antibiotics hold a prime position in the treatment of infectious diseases. However, the emergence of antimicrobial resistance (AMR) has posed a serious threat to the effectiveness of antibiotics, resulting in increased morbidity, mortality, and escalation in healthcare costs causing a global health crisis. The overuse and misuse of antibiotics in global healthcare setups have accelerated the development and spread of AMR, leading to the emergence of multidrug-resistant (MDR) pathogens, which further limits treatment options. This creates a critical need to explore alternative approaches to combat bacterial infections. Phytochemicals have gained attention as a potential source of alternative medicine to address the challenge of AMR. Phytochemicals are structurally and functionally diverse and have multitarget antimicrobial effects, disrupting essential cellular activities. Given the promising results of plant-based antimicrobials, coupled with the slow discovery of novel antibiotics, it has become highly imperative to explore the vast repository of phytocompounds to overcome the looming catastrophe of AMR. This review summarizes the emergence of AMR towards existing antibiotics and potent phytochemicals having antimicrobial activities, along with a comprehensive overview of 123 Himalayan medicinal plants reported to possess antimicrobial phytocompounds, thus compiling the existing information that will help researchers in the exploration of phytochemicals to combat AMR.
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Affiliation(s)
- Mohammad Vikas Ashraf
- Department of Biotechnology, School of Biosciences and Biotechnology, Baba Ghulam Shah Badshah University, Rajouri 185 234, India
| | - Shreekar Pant
- Centre for Biodiversity Studies, School of Biosciences and Biotechnology, Baba Ghulam Shah Badshah University, Rajouri 185 234, India
| | - M A Hannan Khan
- Department of Zoology, School of Biosciences and Biotechnology, Baba Ghulam Shah Badshah University, Rajouri 185 234, India
| | - Ali Asghar Shah
- Department of Zoology, School of Biosciences and Biotechnology, Baba Ghulam Shah Badshah University, Rajouri 185 234, India
| | - Sazada Siddiqui
- Department of Biology, College of Science, King Khalid University, Abha 61413, Saudi Arabia
| | - Mouna Jeridi
- Department of Biology, College of Science, King Khalid University, Abha 61413, Saudi Arabia
| | | | - Shoeb Ahmad
- Department of Biotechnology, School of Biosciences and Biotechnology, Baba Ghulam Shah Badshah University, Rajouri 185 234, India
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Jadimurthy R, Jagadish S, Nayak SC, Kumar S, Mohan CD, Rangappa KS. Phytochemicals as Invaluable Sources of Potent Antimicrobial Agents to Combat Antibiotic Resistance. Life (Basel) 2023; 13:life13040948. [PMID: 37109477 PMCID: PMC10145550 DOI: 10.3390/life13040948] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Revised: 03/04/2023] [Accepted: 03/29/2023] [Indexed: 04/08/2023] Open
Abstract
Plants have been used for therapeutic purposes against various human ailments for several centuries. Plant-derived natural compounds have been implemented in clinics against microbial diseases. Unfortunately, the emergence of antimicrobial resistance has significantly reduced the efficacy of existing standard antimicrobials. The World Health Organization (WHO) has declared antimicrobial resistance as one of the top 10 global public health threats facing humanity. Therefore, it is the need of the hour to discover new antimicrobial agents against drug-resistant pathogens. In the present article, we have discussed the importance of plant metabolites in the context of their medicinal applications and elaborated on their mechanism of antimicrobial action against human pathogens. The WHO has categorized some drug-resistant bacteria and fungi as critical and high priority based on the need to develope new drugs, and we have considered the plant metabolites that target these bacteria and fungi. We have also emphasized the role of phytochemicals that target deadly viruses such as COVID-19, Ebola, and dengue. Additionally, we have also elaborated on the synergetic effect of plant-derived compounds with standard antimicrobials against clinically important microbes. Overall, this article provides an overview of the importance of considering phytogenous compounds in the development of antimicrobial compounds as therapeutic agents against drug-resistant microbes.
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Affiliation(s)
- Ragi Jadimurthy
- Department of Studies in Molecular Biology, University of Mysore, Manasagangotri, Mysore 570006, India
| | - Swamy Jagadish
- Department of Studies in Molecular Biology, University of Mysore, Manasagangotri, Mysore 570006, India
| | - Siddaiah Chandra Nayak
- Department of Studies in Biotechnology, University of Mysore, Manasagangotri, Mysore 570006, India
| | - Sumana Kumar
- Department of Microbiology, Faculty of Life Sciences, JSS Academy of Higher Education and Research, Mysore 570015, India
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Sharma AK, Poddar SM, Chakraborty J, Nayak BS, Kalathil S, Mitra N, Gayathri P, Srinivasan R. A mechanism of salt bridge-mediated resistance to FtsZ inhibitor PC190723 revealed by a cell-based screen. Mol Biol Cell 2023; 34:ar16. [PMID: 36652338 PMCID: PMC10011733 DOI: 10.1091/mbc.e22-12-0538] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
Abstract
Bacterial cell division proteins, especially the tubulin homologue FtsZ, have emerged as strong targets for developing new antibiotics. Here, we have utilized the fission yeast heterologous expression system to develop a cell-based assay to screen for small molecules that directly and specifically target the bacterial cell division protein FtsZ. The strategy also allows for simultaneous assessment of the toxicity of the drugs to eukaryotic yeast cells. As a proof-of-concept of the utility of this assay, we demonstrate the effect of the inhibitors sanguinarine, berberine, and PC190723 on FtsZ. Though sanguinarine and berberine affect FtsZ polymerization, they exert a toxic effect on the cells. Further, using this assay system, we show that PC190723 affects Helicobacter pylori FtsZ function and gain new insights into the molecular determinants of resistance to PC190723. On the basis of sequence and structural analysis and site-specific mutations, we demonstrate that the presence of salt bridge interactions between the central H7 helix and β-strands S9 and S10 mediates resistance to PC190723 in FtsZ. The single-step in vivo cell-based assay using fission yeast enabled us to dissect the contribution of sequence-specific features of FtsZ and cell permeability effects associated with bacterial cell envelopes. Thus, our assay serves as a potent tool to rapidly identify novel compounds targeting polymeric bacterial cytoskeletal proteins like FtsZ to understand how they alter polymerization dynamics and address resistance determinants in targets.
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Affiliation(s)
- Ajay Kumar Sharma
- School of Biological Sciences, National Institute of Science Education and Research, Bhubaneswar 752050, India.,Centre for Interdisciplinary Sciences, National Institute of Science Education and Research, Bhubaneswar 752050, India.,Homi Bhabha National Institutes, Anushakti Nagar, Mumbai 400094, India
| | - Sakshi Mahesh Poddar
- School of Biological Sciences, National Institute of Science Education and Research, Bhubaneswar 752050, India.,Centre for Interdisciplinary Sciences, National Institute of Science Education and Research, Bhubaneswar 752050, India.,Homi Bhabha National Institutes, Anushakti Nagar, Mumbai 400094, India
| | - Joyeeta Chakraborty
- Biology, Indian Institute of Science Education and Research, Pune 411008, India
| | - Bhagyashri Soumya Nayak
- School of Biological Sciences, National Institute of Science Education and Research, Bhubaneswar 752050, India.,Centre for Interdisciplinary Sciences, National Institute of Science Education and Research, Bhubaneswar 752050, India.,Homi Bhabha National Institutes, Anushakti Nagar, Mumbai 400094, India
| | - Srilakshmi Kalathil
- School of Biological Sciences, National Institute of Science Education and Research, Bhubaneswar 752050, India.,Centre for Interdisciplinary Sciences, National Institute of Science Education and Research, Bhubaneswar 752050, India.,Homi Bhabha National Institutes, Anushakti Nagar, Mumbai 400094, India
| | - Nivedita Mitra
- School of Biological Sciences, National Institute of Science Education and Research, Bhubaneswar 752050, India.,Centre for Interdisciplinary Sciences, National Institute of Science Education and Research, Bhubaneswar 752050, India.,Homi Bhabha National Institutes, Anushakti Nagar, Mumbai 400094, India
| | - Pananghat Gayathri
- Biology, Indian Institute of Science Education and Research, Pune 411008, India
| | - Ramanujam Srinivasan
- School of Biological Sciences, National Institute of Science Education and Research, Bhubaneswar 752050, India.,Centre for Interdisciplinary Sciences, National Institute of Science Education and Research, Bhubaneswar 752050, India.,Homi Bhabha National Institutes, Anushakti Nagar, Mumbai 400094, India
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Herman A, Herman AP. Herbal Products and Their Active Constituents Used Alone and in Combination with Antibiotics against Multidrug-Resistant Bacteria. PLANTA MEDICA 2023; 89:168-182. [PMID: 35995069 DOI: 10.1055/a-1890-5559] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
The purpose of this review is to summarize the current knowledge acquired on herbal products and their active constituents with antimicrobial activity used alone and in combination with antibiotics against multidrug-resistant bacteria. The most promising herbal products and active constituents used alone against multidrug-resistant bacteria are Piper betle (methicillin-resistant Staphylococcus aureus, vancomycin-resistant Enterococcus, extended-spectrum beta-lactamase, Acinetobacter baumannii, Pseudomonas aeruginosa), Glycyrrhiza glabra (methicillin-resistant S. aureus, vancomycin-resistant Enterococcus, P. aeruginosa), and berberine (methicillin-resistant S. aureus, A. baumannii, P. aeruginosa), respectively. The synergistic effect of the combination of herbal products and their active constituents with antibiotics against multidrug-resistant bacteria are also described. These natural antibacterial agents can be promising sources of inhibitors, which can modulate antibiotic activity against multidrug-resistant bacteria, especially as efflux pump inhibitors. Other possible mechanisms of action of herbal therapy against multidrug-resistant bacteria including modification of the bacterial cell wall and/or membrane, inhibition of the cell division protein filamenting temperature sensitive Z-ring, and inhibition of protein synthesis and gene expression, all of which will also be discussed. Our review suggests that combination herbal therapy and antibiotics can be effectively used to expand the spectrum of their antimicrobial action. Therefore, combination therapy against multidrug-resistant bacteria may enable new choices for the treatment of infectious diseases and represents a potential area for future research.
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Affiliation(s)
- Anna Herman
- Faculty of Health Sciences, Warsaw School of Engineering and Health, Warsaw, Poland
| | - Andrzej P Herman
- Department of Genetic Engineering, The Kielanowski Institute of Animal Physiology and Nutrition, Polish Academy of Sciences, Jabłonna near Warsaw, Poland
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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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In Vitro Selective Combinatory Effect of Ciprofloxacin with Nitroxoline, Sanguinarine, and Zinc Pyrithione against Diarrhea-Causing and Gut Beneficial Bacteria. Microbiol Spectr 2022; 10:e0106322. [PMID: 35972279 PMCID: PMC9603368 DOI: 10.1128/spectrum.01063-22] [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] [Indexed: 12/30/2022] Open
Abstract
Antibiotic resistance in diarrhea-causing bacteria and its disruption of gut microbiota composition are health problems worldwide. The development of combinatory agents that increase the selective inhibitory effect (synergism) against diarrheagenic pathogens and, simultaneously, have a lowered impact (antagonism) or no negative action on the gut microbiota is therefore proposed as a new strategy efficient for chemotherapy against diarrheal conditions. In this study, the in vitro selective combinatory effect of ciprofloxacin with nitroxoline, sanguinarine, and zinc pyrithione, representing various classes of alkaloid-related compounds (nitroquinolines, benzylisoquinolines and metal-pyridine derivative complexes) against selected standard diarrhea-causing (Bacillus cereus, Enterococcus faecalis, Listeria monocytogenes, Shigella flexneri, and Vibrio parahaemolyticus) and gut-beneficial (Bifidobacterium adolescentis, Bifidobacterium animalis subsp. lactis, Bifidobacterium breve, Lactobacillus casei, and Lactobacillus rhamnosus) bacteria, was evaluated according to the sum of fractional inhibitory concentration indices (FICIs) obtained by the checkerboard method. The results showed that the individual combination of ciprofloxacin with nitroxoline, sanguinarine, and zinc pyrithione produced a synergistic effect against the pathogenic bacteria, with FICI values ranging from 0.071 to 0.5, whereas their antagonistic interaction toward the Bifidobacterium strains (with FICI values ranging from 4.012 to 8.023) was observed. Ciprofloxacin-zinc pyrithione produced significant synergistic action against S. flexneri, whereas a strong antagonistic interaction was observed toward B. breve for the ciprofloxacin-nitroxoline combination. These findings suggest that certain combinations of agents tested in this study can be used for the development of antidiarrheal therapeutic agents with reduced harmful action on the gastrointestinal microbiome. However, further studies focused on their pharmacological efficacy and safety are needed before they are considered for clinical trials. IMPORTANCE Diarrheal infections, which are commonly treated by antibiotics, are still responsible for over 4 to 5 million cases of human deaths annually. Moreover, the rising incidence of antibiotic resistance and its negative effect on beneficial bacteria (e.g., Bifidobacteria) of the gut microbial community are another problem. Thus, the development of selective agents able to inhibit diarrheal bacteria and, simultaneously, that have no negative impact on the gut microbiota, is important. Our results showed that individual combinations of ciprofloxacin with nitroxoline, sanguinarine, and zinc pyrithione produced synergism against the pathogenic bacteria, whereas their antagonistic interaction toward the beneficial strains was observed. The antagonism can be considered a positive effect contributing to the safety of the therapeutic agents, whereas their synergism against diarrheal bacteria significantly potentiates total antimicrobial efficacy. The certain combinations tested in this study can be used for the development of antidiarrheal agents with reduced harmful action on the gastrointestinal microbiome.
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Wang YL, Wu CY, Zhai SW. Macleaya cordata extract improves the growth performance and intestinal health of American eels ( Anguilla rostrata) farmed in intensive system. Nat Prod Res 2022; 37:1867-1871. [PMID: 36067489 DOI: 10.1080/14786419.2022.2120480] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
Abstract
The present study was conducted to evaluate the effects of dietary Macleaya cordata extract (MCE) supplementation on growth performance and intestinal health of American eels (Anguilla rostrata) farmed in intensive system. A total of six cement tanks of fish were randomly divided into a control group fed a commercial diet and an MCE group fed the commercial diet with 100 mg/kg MCE, respectively. There were three replicates in each group. The results suggested that 100 mg/kg MCE could improve the growth performance and intestinal health of the American eels by strengthening the barrier function and antioxidative ability in the intestine and beneficially modulating intestinal microbiota with the higher relative abundance and more species of the potential probiotics and the lower relative abundance of potentially pathogenic bacteria.
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Affiliation(s)
- Ya-Lu Wang
- Engineering Research Center of the Modern Industry Technology for Eel, Ministry of Education, Jimei University, Xiamen, China
| | - Cheng-Yao Wu
- Engineering Research Center of the Modern Industry Technology for Eel, Ministry of Education, Jimei University, Xiamen, China
| | - Shao-Wei Zhai
- Engineering Research Center of the Modern Industry Technology for Eel, Ministry of Education, Jimei University, Xiamen, China
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11
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Suganya T, Packiavathy IASV, Aseervatham GSB, Carmona A, Rashmi V, Mariappan S, Devi NR, Ananth DA. Tackling Multiple-Drug-Resistant Bacteria With Conventional and Complex Phytochemicals. Front Cell Infect Microbiol 2022; 12:883839. [PMID: 35846771 PMCID: PMC9280687 DOI: 10.3389/fcimb.2022.883839] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2022] [Accepted: 05/02/2022] [Indexed: 12/22/2022] Open
Abstract
Emerging antibiotic resistance in bacteria endorses the failure of existing drugs with chronic illness, complicated treatment, and ever-increasing expenditures. Bacteria acquire the nature to adapt to starving conditions, abiotic stress, antibiotics, and our immune defense mechanism due to its swift evolution. The intense and inappropriate use of antibiotics has led to the development of multidrug-resistant (MDR) strains of bacteria. Phytochemicals can be used as an alternative for complementing antibiotics due to their variation in metabolic, genetic, and physiological fronts as well as the rapid evolution of resistant microbes and lack of tactile management. Several phytochemicals from diverse groups, including alkaloids, phenols, coumarins, and terpenes, have effectively proved their inhibitory potential against MDR pathogens through their counter-action towards bacterial membrane proteins, efflux pumps, biofilms, and bacterial cell-to-cell communications, which are important factors in promoting the emergence of drug resistance. Plant extracts consist of a complex assortment of phytochemical elements, against which the development of bacterial resistance is quite deliberate. This review emphasizes the antibiotic resistance mechanisms of bacteria, the reversal mechanism of antibiotic resistance by phytochemicals, the bioactive potential of phytochemicals against MDR, and the scientific evidence on molecular, biochemical, and clinical aspects to treat bacterial pathogenesis in humans. Moreover, clinical efficacy, trial, safety, toxicity, and affordability investigations, current status and developments, related demands, and future prospects are also highlighted.
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Affiliation(s)
- Thangaiyan Suganya
- Department of Microbiology, Karpagam Academy of Higher Education, Coimbatore, India
| | | | - G. Smilin Bell Aseervatham
- Post Graduate Research Department of Biotechnology and Bioinformatics, Holy Cross College (Autonomous), Tiruchirappalli, India
| | - Areanna Carmona
- Francis Graduate School of Biomedical Sciences, Texas Tech University Health Science Center of El Paso, Texas, TX, United States
| | - Vijayaragavan Rashmi
- National Repository for Microalgae and Cyanobacteria (NRMC)- Marine, National Facility for Marine Cyanobacteria, (Sponsored by Department of Biotechnology (DBT), Government of India), Bharathidasan University, Tiruchirappalli, India
| | | | | | - Devanesan Arul Ananth
- Department of Biotechnology, Karpagam Academy of Higher Education, Coimbatore, India
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12
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Jadimurthy R, Mayegowda SB, Nayak S, Mohan CD, Rangappa KS. Escaping mechanisms of ESKAPE pathogens from antibiotics and their targeting by natural compounds. BIOTECHNOLOGY REPORTS (AMSTERDAM, NETHERLANDS) 2022; 34:e00728. [PMID: 35686013 PMCID: PMC9171455 DOI: 10.1016/j.btre.2022.e00728] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/31/2021] [Revised: 03/10/2022] [Accepted: 03/31/2022] [Indexed: 06/15/2023]
Abstract
The microorganisms that have developed resistance to available therapeutic agents are threatening the globe and multidrug resistance among the bacterial pathogens is becoming a major concern of public health worldwide. Bacteria develop protective mechanisms to counteract the deleterious effects of antibiotics, which may eventually result in loss of growth-inhibitory potential of antibiotics. ESKAPE (Enterococcus faecium, Staphylococcus aureus, Klebsiella pneumoniae, Acinetobacter baumannii, Pseudomonas aeruginosa, and Enterobacter spp.) pathogens display multidrug resistance and virulence through various mechanisms and it is the need of the hour to discover or design new antibiotics against ESKAPE pathogens. In this article, we have discussed the mechanisms acquired by ESKAPE pathogens to counteract the effect of antibiotics and elaborated on recently discovered secondary metabolites derived from bacteria and plant sources that are endowed with good antibacterial activity towards pathogenic bacteria in general, ESKAPE organisms in particular. Abyssomicin C, allicin, anthracimycin, berberine, biochanin A, caffeic acid, daptomycin, kibdelomycin, piperine, platensimycin, plazomicin, taxifolin, teixobactin, and thymol are the major metabolites whose antibacterial potential have been discussed in this article.
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Affiliation(s)
- Ragi Jadimurthy
- Department of Studies in Molecular Biology, University of Mysore, Manasagangotri, Mysore 570006, India
| | - Shilpa Borehalli Mayegowda
- Dayananda Sagar University, School of Basic and Applied Sciences, Shavige Malleswara Hills, Kumaraswamy layout, Bengaluru 560111, India
| | - S.Chandra Nayak
- Department of Studies in Biotechnology, University of Mysore, Manasagangotri, Mysore 570006, India
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13
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Lu C, Zhang N, Kou S, Gao L, Peng B, Dai Y, Zheng J. Sanguinarine synergistically potentiates aminoglycoside-mediated bacterial killing. Microb Biotechnol 2022; 15:2055-2070. [PMID: 35318794 PMCID: PMC9249330 DOI: 10.1111/1751-7915.14017] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2021] [Accepted: 02/01/2022] [Indexed: 11/30/2022] Open
Abstract
Aminoglycosides are one of the oldest classes of antimicrobials that are being used in current clinical practice, especially on multi‐drug resistant Gram‐negative pathogenic bacteria. However, the serious side effects at high dosage such as ototoxicity, neuropathy and nephrotoxicity limit their applications in clinical practice. Approaches that potentiate aminoglycoside killing could lower down their effective concentrations to a non‐toxic dosage for clinical treatment. In this research, we screened a compound library and identified sanguinarine that acts synergistically with various aminoglycosides. By checkerboard and dynamical killing assay, we found that sanguinarine effectively potentiated aminoglycoside killing on diverse bacterial pathogens, including Escherichia coli, Acinetobacter baumannii, Klebsiella pneumonia and Pseudomonas aeruginosa. The mechanistic studies showed an elevated intracellular ROS and DNA oxidative level in the bacterial cells treated by a combination of sanguinarine with aminoglycosides. Furthermore, an enhanced level of sanguinarine was observed in bacteria in the presence of aminoglycosides, suggesting that aminoglycosides promote the uptake of sanguinarine. Importantly, sanguinarine was shown to promote the elimination of persister cells and established biofilm cells both in vivo and in vitro. Our study provides a novel insight for approaches to lower down the clinical dosages of aminoglycosides.
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Affiliation(s)
- Chang Lu
- Faculty of Health Sciences, University of Macau, Macau, China
| | - Nian Zhang
- Faculty of Health Sciences, University of Macau, Macau, China
| | - Sihoi Kou
- Faculty of Health Sciences, University of Macau, Macau, China
| | - Liangliang Gao
- Faculty of Health Sciences, University of Macau, Macau, China
| | - Bo Peng
- School of Life Sciences, Sun Yat-sen University, Guangzhou, 510006, China.,Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266071, China
| | - Yunlu Dai
- Faculty of Health Sciences, University of Macau, Macau, China.,Institute of Translational Medicine, University of Macau, Macau, China
| | - Jun Zheng
- Faculty of Health Sciences, University of Macau, Macau, China.,Institute of Translational Medicine, University of Macau, Macau, China
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14
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Saraiva MMS, Silva NMV, Ferreira VA, Moreira Filho ALB, Givisiez PEN, Freitas Neto OC, Berchieri Júnior A, Gebreyes WA, Oliveira CJB. Residual concentrations of antimicrobial growth promoters in poultry litter favour plasmid conjugation among Escherichia coli. Lett Appl Microbiol 2022; 74:831-838. [PMID: 35138674 DOI: 10.1111/lam.13671] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Revised: 02/01/2022] [Accepted: 02/04/2022] [Indexed: 11/28/2022]
Abstract
Considering that plasmid conjugation is a major driver for the dissemination of antimicrobial resistance in bacteria, this study aimed to investigate the effects of residual concentrations of antimicrobial growth promoters (AGPs) in poultry litter on the frequencies of IncFII-FIB plasmid conjugation among Escherichia coli organisms. A 2x5 factorial trial was performed in vitro, using two types of litter materials (sugarcane bagasse and wood shavings) and five treatments of litter: non-treated (CON), herbal alkaloid sanguinarine (SANG), and AGPs monensin (MON), lincomycin (LCM), and virginiamycin (VIR). E. coli H2332 and E. coli J62 were used as donor and recipient strains, respectively.The presence of residues of monensin, lincomycin and virginiamycin increased the frequency of plasmid conjugation among E. coli in both types of litter materials. On the contrary, sanguinarine significantly reduced the frequency of conjugation among E. coli in sugarcane bagasse litter. The conjugation frequencies were significantly higher in wood shavings compared to sugarcane bagasse only in the presence of AGPs. Considering that the presence of AGPs in the litter can increase the conjugation of IncFII-FIB plasmids carrying antimicrobial resistance genes, the real impact of this phenomenon on the dissemination of antimicrobial resistant bacteria in the poultry production chain must be investigated.
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Affiliation(s)
- M M S Saraiva
- Department of Animal Science, Center for Agricultural Sciences, Federal University of Paraiba (CCA/UFPB), Areia, PB, Brazil.,Department of Pathology, Theriogenology and One Health, Laboratory of Ornithopathology, São Paulo State University (FCAV/Unesp), Jaboticabal, SP, Brazil
| | - N M V Silva
- Department of Animal Science, Center for Agricultural Sciences, Federal University of Paraiba (CCA/UFPB), Areia, PB, Brazil.,Instituto Federal do Sertão Pernambucano - Campus Petrolina
| | - V A Ferreira
- Department of Pathology, Theriogenology and One Health, Laboratory of Ornithopathology, São Paulo State University (FCAV/Unesp), Jaboticabal, SP, Brazil
| | - A L B Moreira Filho
- Department of Animal Science, Center for Human, Social and Agricultural Sciences, Federal University of Paraiba (CCHSA/UFPB), Bananeiras, PB, Brazil
| | - P E N Givisiez
- Department of Animal Science, Center for Agricultural Sciences, Federal University of Paraiba (CCA/UFPB), Areia, PB, Brazil
| | - O C Freitas Neto
- Department of Preventive Veterinary Medicine, Veterinary School, Federal University of Minas Gerais (UFMG), Belo Horizonte, MG, Brazil
| | - A Berchieri Júnior
- Department of Pathology, Theriogenology and One Health, Laboratory of Ornithopathology, São Paulo State University (FCAV/Unesp), Jaboticabal, SP, Brazil
| | - W A Gebreyes
- Department of Preventive Veterinary Medicine, College of Veterinary Medicine, The Ohio State University, Columbus, OH, USA.,Global One health initiative (GOHi), The Ohio State University, Columbus, OH, USA
| | - C J B Oliveira
- Department of Animal Science, Center for Agricultural Sciences, Federal University of Paraiba (CCA/UFPB), Areia, PB, Brazil.,Global One health initiative (GOHi), The Ohio State University, Columbus, OH, USA
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15
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Computational Studies of the Photogeneration from Dihydrosanguinarine and the Probable Cytotoxicity Mechanism of Sanguinarine. APPLIED SCIENCES-BASEL 2022. [DOI: 10.3390/app12031095] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
A computational investigation of the mechanism of dihydrosanguinarine (DHSAN) photoactivation and its conversion into the active drug sanguinarine (SAN) is here reported. The reaction mechanism of DHSAN photoconversion was fully explored by considering its excitation first, essential for generating one of the reactants, the 1O2, and then locating all the minima and transition states involved in the formation of SAN. Both forms of the drug present at physiological pH, namely, iminium cation and alkanolamine, were considered as products of such reaction. The ability of the generated drug SAN to induce cell apoptosis was then explored, taking into consideration two anticancer activities: the induction of DNA conformational and functional changes by intercalation and the absorption of light with proper wavelength to trigger type II photochemical reactions leading to 1O2 sensitization for photodynamic therapy application. Concerning the ability to work as photosensitizers, the outcomes of our calculations prove that DHSAN can easily be converted into the active SAN under visible and NIR irradiation through the application of two-photon excitation, and that the maximum absorption of SAN, once intercalated into DNA, shifts to the near region of the therapeutic window.
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16
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Furquim Dos Santos Cardoso V, Amaral Roppa RH, Antunes C, Silva Moraes AN, Santi L, Konrath EL. Efficacy of medicinal plant extracts as dental and periodontal antibiofilm agents: A systematic review of randomized clinical trials. JOURNAL OF ETHNOPHARMACOLOGY 2021; 281:114541. [PMID: 34416298 DOI: 10.1016/j.jep.2021.114541] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/19/2021] [Revised: 05/11/2021] [Accepted: 08/17/2021] [Indexed: 06/13/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE The presence of biofilm in oral cavity is associated with dental plaque and related diseases, including gingivitis, periodontitis and inflammatory responses. Some medicinal plants traditionally used for biofilm-associated pathologies such as Camellia sinensis (L.) Kuntze, Punica granatum L. and Lippia sidoides Cham. are currently incorporated into dosage forms as antiplaque agents. AIMS OF THE STUDY To present the current application of medicinal plant extracts associated in drug dosages to control microbial biofilms, with emphasis on those present in the oral cavity, especially to treat dental plaque. MATERIALS AND METHODS A PRISMA-compliant systematic search was conducted using the PubMed, Web of Science and Scopus databases. After the abstract and full-text analysis, the Cochrane Collaboration's tools for clinical studies was applied to assess the methodological quality of randomized clinical trials. RESULTS Of 964 potentially eligible studies, 47 studies met the inclusion criteria and were included in the systematic review. Camellia sinensis was the most commonly used species (8 studies), with positive results in reducing both the PI and GI in the form of mouthwash, toothpaste and gel. The Melaleuca alternifolia oil (5 studies) demonstrated low reduction in PI but important effects on GI scores. Azadirachta indica (4 studies) extracts presented efficacy similar to CHX to improve the periodontal parameters, including PI and GI. Ricinus communis oil (3 studies), despite reducing microbiological counts and GI, did not prove to be better than the hypochlorite solution, used as an alternative treatment for dentures. The main bioactive compounds described for the plant species are polyphenols, essential oils and alkaloids, most of them with identified antibiofilm activities. CONCLUSIONS These active species could lead to future development of safer and newer treatments for oral biofilm-associated infections. However, more studies are needed to further understand the clinical relevance of their application.
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Affiliation(s)
| | - Ricardo Haack Amaral Roppa
- Departamento de Produção de Matéria-Prima, Faculdade de Farmácia, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Carolina Antunes
- Programa de Pós-Graduação em Ciências Farmacêuticas, Faculdade de Farmácia, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Amanda Naiara Silva Moraes
- Programa de Pós-Graduação em Biologia Celular e Molecular, Centro de Biotecnologia, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Lucélia Santi
- Departamento de Produção de Matéria-Prima, Faculdade de Farmácia, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil; Programa de Pós-Graduação em Biologia Celular e Molecular, Centro de Biotecnologia, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Eduardo Luis Konrath
- Departamento de Produção de Matéria-Prima, Faculdade de Farmácia, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil; Programa de Pós-Graduação em Ciências Farmacêuticas, Faculdade de Farmácia, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil.
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17
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Anjago WM, Zeng W, Chen Y, Wang Y, Biregeya J, Li Y, Zhang T, Peng M, Cai Y, Shi M, Wang B, Zhang D, Wang Z, Chen M. The molecular mechanism underlying pathogenicity inhibition by sanguinarine in Magnaporthe oryzae. PEST MANAGEMENT SCIENCE 2021; 77:4669-4679. [PMID: 34116584 DOI: 10.1002/ps.6508] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/01/2020] [Revised: 05/21/2021] [Accepted: 06/11/2021] [Indexed: 06/12/2023]
Abstract
BACKGROUND Sanguinarine (SAN) is a benzophenanthridine alkaloid that broadly targets a range of pathways in mammalian and fungal cells. In this study we set out to explore the molecular mechanism of sanguinarine inhibition of the fungal development and pathogenicity of Magnaporthe oryzae with the hope that sanguinarine will bolster the development of antiblast agents. RESULTS We found that the fungus exhibited a significant reduction in vegetative growth and hyphal melanization while the spores produced long germ tubes on the artificial hydrophobic surface characteristic of a defect in thigmotropic sensing when exposed to 4, 8 and 0.5 μm sanguinarine, respectively. Consistent with these findings, we observed that the genes involved in melanin biosynthesis and the fungal hydrophobin MoMPG1 were remarkably suppressed in mycelia treated with 8 μm sanguinarine. Additionally, sanguinarine inhibited appressorium formation at a dose of 1.0 μm and this defect was restored by supplementing 5 mM of exogenous cAMP. By qRT-PCR assay we found cAMP pathway signalling genes such as MoCAP1 and MoCpkA were significantly repressed whereas MoCDTF1 and MoSOM1 were upregulated in sanguinarine-treated strains. Furthermore, we showed that sanguinarine does not selectively inhibit vegetative growth and appressorium formation of Guy11 but also other strains of M. oryzae. Finally, treatment of sanguinarine impaired the appressorium-mediated penetration and pathogenicity of M. oryzae in a dose-dependent manner. CONCLUSION Based on our results we concluded that sanguinarine is an attractive antimicrobial candidate for fungicide development in the control of rice blast disease. © 2021 Society of Chemical Industry.
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Affiliation(s)
- Wilfred Mabeche Anjago
- Ministry of Education Key Laboratory of Biopesticides and Chemical Biology, College of Life Science, Fujian Agriculture and Forestry University, Fuzhou, China
| | | | - Yixiao Chen
- Ministry of Education Key Laboratory of Biopesticides and Chemical Biology, College of Life Science, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Yupeng Wang
- Ministry of Education Key Laboratory of Biopesticides and Chemical Biology, College of Life Science, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Jules Biregeya
- Ministry of Education Key Laboratory of Biopesticides and Chemical Biology, College of Life Science, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Yunxi Li
- Ministry of Education Key Laboratory of Biopesticides and Chemical Biology, College of Life Science, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Tian Zhang
- Ministry of Education Key Laboratory of Biopesticides and Chemical Biology, College of Life Science, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Minghui Peng
- Ministry of Education Key Laboratory of Biopesticides and Chemical Biology, College of Life Science, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Yan Cai
- Ministry of Education Key Laboratory of Biopesticides and Chemical Biology, College of Life Science, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Mingyue Shi
- Ministry of Education Key Laboratory of Biopesticides and Chemical Biology, College of Life Science, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Baohua Wang
- Ministry of Education Key Laboratory of Biopesticides and Chemical Biology, College of Life Science, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Dongmei Zhang
- Ministry of Education Key Laboratory of Biopesticides and Chemical Biology, College of Life Science, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Zonghua Wang
- Ministry of Education Key Laboratory of Biopesticides and Chemical Biology, College of Life Science, Fujian Agriculture and Forestry University, Fuzhou, China
- Fuzhou Institute of Oceanography, Minjiang University, Fuzhou, China
| | - Meilian Chen
- Fuzhou Institute of Oceanography, Minjiang University, Fuzhou, China
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Jubair N, Rajagopal M, Chinnappan S, Abdullah NB, Fatima A. Review on the Antibacterial Mechanism of Plant-Derived Compounds against Multidrug-Resistant Bacteria (MDR). EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE : ECAM 2021; 2021:3663315. [PMID: 34447454 PMCID: PMC8384518 DOI: 10.1155/2021/3663315] [Citation(s) in RCA: 41] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/06/2021] [Revised: 06/27/2021] [Accepted: 07/24/2021] [Indexed: 02/06/2023]
Abstract
Microbial resistance has progressed rapidly and is becoming the leading cause of death globally. The spread of antibiotic-resistant microorganisms has been a significant threat to the successful therapy against microbial infections. Scientists have become more concerned about the possibility of a return to the pre-antibiotic era. Thus, searching for alternatives to fight microorganisms has become a necessity. Some bacteria are naturally resistant to antibiotics, while others acquire resistance mainly by the misuse of antibiotics and the emergence of new resistant variants through mutation. Since ancient times, plants represent the leading source of drugs and alternative medicine for fighting against diseases. Plants are rich sources of valuable secondary metabolites, such as alkaloids, quinones, tannins, terpenoids, flavonoids, and polyphenols. Many studies focus on plant secondary metabolites as a potential source for antibiotic discovery. They have the required structural properties and can act by different mechanisms. This review analyses the antibiotic resistance strategies produced by multidrug-resistant bacteria and explores the phytochemicals from different classes with documented antimicrobial action against resistant bacteria, either alone or in combination with traditional antibiotics.
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Affiliation(s)
- Najwan Jubair
- Faculty of Pharmaceutical Sciences, UCSI University, Kuala Lumpur 56000, Malaysia
| | - Mogana Rajagopal
- Faculty of Pharmaceutical Sciences, UCSI University, Kuala Lumpur 56000, Malaysia
| | - Sasikala Chinnappan
- Faculty of Pharmaceutical Sciences, UCSI University, Kuala Lumpur 56000, Malaysia
| | | | - Ayesha Fatima
- Beykoz Institute of Life Sciences and Biotechnology, Bezmialem Vakif University, Istanbul, Turkey
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Antibiofilm and Antimicrobial-Enhancing Activity of Chelidonium majus and Corydalis cheilanthifolia Extracts against Multidrug-Resistant Helicobacter pylori. Pathogens 2021; 10:pathogens10081033. [PMID: 34451497 PMCID: PMC8400265 DOI: 10.3390/pathogens10081033] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Revised: 08/13/2021] [Accepted: 08/14/2021] [Indexed: 01/15/2023] Open
Abstract
Helicobacter pylori is a Gram-negative bacterium that colonizes the stomach of about 60% of people worldwide. The search for new drugs with activity against H. pylori is now a hotspot in the effective and safe control of this bacterium. Therefore, the aim of this research was to determine the antibacterial activity of extracts from selected plants of the Papaveraceae family against planktonic and biofilm forms of the multidrug-resistant clinical strain of H. pylori using a broad spectrum of analytical in vitro methods. It was revealed that among the tested extracts, those obtained from Corydalis cheilanthifolia and Chelidonium majus were the most active, with minimal inhibitory concentrations (MICs) of 64 µg/mL and 128 µg/mL, respectively. High concentrations of both extracts showed cytotoxicity against cell lines of human hepatic origin. Therefore, we attempted to lower their MICs through the use of a synergistic combination with synthetic antimicrobials as well as by applying cellulose as a drug carrier. Using checkerboard assays, we determined that both extracts presented synergistic interactions with amoxicillin (AMX) and 3-bromopyruvate (3-BP) (FICI = 0.5) and additive relationships with sertraline (SER) (FICI = 0.75). The antibiofilm activity of extracts and their combinations with AMX, 3-BP, or SER, was analyzed by two methods, i.e., the microcapillary overgrowth under flow conditions (the Bioflux system) and assessment of the viability of lawn biofilms after exposure to drugs released from bacterial cellulose (BC) carriers. Using both methods, we observed a several-fold decrease in the level of H. pylori biofilm, indicating the ability of the tested compounds to eradicate the microbial biofilm. The obtained results indicate that application of plant-derived extracts from the Papaveraceae family combined with synthetic antimicrobials, absorbed into organic BC carrier, may be considered a promising way of fighting biofilm-forming H. pylori.
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20
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Screening Papaveraceae as Novel Antibiofilm Natural-Based Agents. Molecules 2021; 26:molecules26164778. [PMID: 34443363 PMCID: PMC8399268 DOI: 10.3390/molecules26164778] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2021] [Revised: 07/30/2021] [Accepted: 08/04/2021] [Indexed: 12/28/2022] Open
Abstract
The antimicrobial properties of herbs from Papaveraceae have been used in medicine for centuries. Nevertheless, mutual relationships between the individual bioactive substances contained in these plants remain poorly elucidated. In this work, phytochemical composition of extracts from the aerial and underground parts of five Papaveraceae species (Chelidonium majus L., Corydalis cava (L.) Schweigg. and Körte, C. cheilanthifolia Hemsl., C. pumila (Host) Rchb., and Fumaria vaillantii Loisel.) were examined using LC-ESI-MS/MS with a triple quadrupole analyzer. Large differences in the quality and quantity of all analyzed compounds were observed between species of different genera and also within one genus. Two groups of metabolites predominated in the phytochemical profiles. These were isoquinoline alkaloids and, in smaller amounts, non-phenolic carboxylic acids and phenolic compounds. In aerial and underground parts, 22 and 20 compounds were detected, respectively. These included: seven isoquinoline alkaloids: protopine, allocryptopine, coptisine, berberine, chelidonine, sanguinarine, and chelerythrine; five of their derivatives as well as non-alkaloids: malic acid, trans-aconitic acid, quinic acid, salicylic acid, trans-caffeic acid, p-coumaric acid, chlorogenic acid, quercetin, and kaempferol; and vanillin. The aerial parts were much richer in phenolic compounds regardless of the plant species. Characterized extracts were studied for their antimicrobial potential against planktonic and biofilm-producing cells of S. aureus, P. aeruginosa, and C. albicans. The impact of the extracts on cellular metabolic activity and biofilm biomass production was evaluated. Moreover, the antimicrobial activity of the extracts introduced to the polymeric carrier made of bacterial cellulose was assessed. Extracts of C. cheilanthifolia were found to be the most effective against all tested human pathogens. Multiple regression tests indicated a high antimicrobial impact of quercetin in extracts of aerial parts against planktonic cells of S. aureus, P. aeruginosa, and C. albicans, and no direct correlation between the composition of other bioactive substances and the results of antimicrobial activity were found. Conclusively, further investigations are required to identify the relations between recognized and unrecognized compounds within extracts and their biological properties.
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Khare T, Anand U, Dey A, Assaraf YG, Chen ZS, Liu Z, Kumar V. Exploring Phytochemicals for Combating Antibiotic Resistance in Microbial Pathogens. Front Pharmacol 2021; 12:720726. [PMID: 34366872 PMCID: PMC8334005 DOI: 10.3389/fphar.2021.720726] [Citation(s) in RCA: 69] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Accepted: 06/28/2021] [Indexed: 01/09/2023] Open
Abstract
Antibiotic resistance or microbial drug resistance is emerging as a serious threat to human healthcare globally, and the multidrug-resistant (MDR) strains are imposing major hurdles to the progression of drug discovery programs. Newer antibiotic-resistance mechanisms in microbes contribute to the inefficacy of the existing drugs along with the prolonged illness and escalating expenditures. The injudicious usage of the conventional and commonly available antibiotics in human health, hygiene, veterinary and agricultural practices is proving to be a major driver for evolution, persistence and spread of antibiotic-resistance at a frightening rate. The drying pipeline of new and potent antibiotics is adding to the severity. Therefore, novel and effective new drugs and innovative therapies to treat MDR infections are urgently needed. Apart from the different natural and synthetic drugs being tested, plant secondary metabolites or phytochemicals are proving efficient in combating the drug-resistant strains. Various phytochemicals from classes including alkaloids, phenols, coumarins, terpenes have been successfully demonstrated their inhibitory potential against the drug-resistant pathogens. Several phytochemicals have proved effective against the molecular determinants responsible for attaining the drug resistance in pathogens like membrane proteins, biofilms, efflux pumps and bacterial cell communications. However, translational success rate needs to be improved, but the trends are encouraging. This review highlights current knowledge and developments associated challenges and future prospects for the successful application of phytochemicals in combating antibiotic resistance and the resistant microbial pathogens.
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Affiliation(s)
- Tushar Khare
- Department of Biotechnology, Modern College of Arts, Science and Commerce (Savitribai Phule Pune University), Pune, India.,Department of Environmental Science, Savitribai Phule Pune University, Pune, India
| | - Uttpal Anand
- Department of Life Sciences and the National Institute for Biotechnology in the Negev, Ben-Gurion University of the Negev, Beer-Sheva, Israel
| | - Abhijit Dey
- Ethnopharmacology and Natural Product Research Laboratory, Department of Life Sciences, Presidency University, Kolkata, India
| | - Yehuda G Assaraf
- The Fred Wyszkowski Cancer Research Laboratory, Department of Biology, Technion-Israel Institute of Technology, Haifa, Israel
| | - Zhe-Sheng Chen
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, Queens, NY, United States
| | - Zhijun Liu
- Department of Microbiology, Weifang Medical University, Weifang, China
| | - Vinay Kumar
- Department of Biotechnology, Modern College of Arts, Science and Commerce (Savitribai Phule Pune University), Pune, India.,Department of Environmental Science, Savitribai Phule Pune University, Pune, India
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22
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Falese BA, Kolawole AN, Sarumi OA, Kolawole AO. Probing the interaction of iminium form of sanguinarine with human salivary α-amylase by multi-spectroscopic techniques and molecular docking. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2021.116346] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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23
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Oselusi SO, Christoffels A, Egieyeh SA. Cheminformatic Characterization of Natural Antimicrobial Products for the Development of New Lead Compounds. Molecules 2021; 26:molecules26133970. [PMID: 34209681 PMCID: PMC8271829 DOI: 10.3390/molecules26133970] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2021] [Revised: 05/29/2021] [Accepted: 06/02/2021] [Indexed: 12/26/2022] Open
Abstract
The growing antimicrobial resistance (AMR) of pathogenic organisms to currently prescribed drugs has resulted in the failure to treat various infections caused by these superbugs. Therefore, to keep pace with the increasing drug resistance, there is a pressing need for novel antimicrobial agents, especially from non-conventional sources. Several natural products (NPs) have been shown to display promising in vitro activities against multidrug-resistant pathogens. Still, only a few of these compounds have been studied as prospective drug candidates. This may be due to the expensive and time-consuming process of conducting important studies on these compounds. The present review focuses on applying cheminformatics strategies to characterize, prioritize, and optimize NPs to develop new lead compounds against antimicrobial resistance pathogens. Moreover, case studies where these strategies have been used to identify potential drug candidates, including a few selected open-access tools commonly used for these studies, are briefly outlined.
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Affiliation(s)
- Samson Olaitan Oselusi
- School of Pharmacy, University of the Western Cape, Bellville, Cape Town 7535, South Africa;
- Correspondence:
| | - Alan Christoffels
- South African Medical Research Council Bioinformatics Unit, South African National Bioinformatics Institute, University of the Western Cape, Cape Town 7535, South Africa;
| | - Samuel Ayodele Egieyeh
- School of Pharmacy, University of the Western Cape, Bellville, Cape Town 7535, South Africa;
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24
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Cottrell JJ, Le HH, Artaiz O, Iqbal Y, Suleria HA, Ali A, Celi P, Dunshea FR. Recent advances in the use of phytochemicals to manage gastrointestinal oxidative stress in poultry and pigs. ANIMAL PRODUCTION SCIENCE 2021. [DOI: 10.1071/an20667] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Plants are integral components of pig and poultry feed, and aside from their raw nutritive value, some phytochemicals contain bioactive compounds. The aim of the present paper is to review recent advances in the use of some phytochemicals in pig and poultry feed, focusing on the examples of isoquinoline alkaloids, polyphenol rich sugarcane extracts and superoxide dismutase-rich melon pulp extracts. As gut health is critical for efficient production, the review will focus on recent results modulating oxidative stress within the gastrointestinal tract and the potential mechanisms of action.
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25
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Bussabong P, Rairat T, Chuchird N, Keetanon A, Phansawat P, Cherdkeattipol K, Pichitkul P, Kraitavin W. Effects of isoquinoline alkaloids from Macleaya cordata on growth performance, survival, immune response, and resistance to Vibrio parahaemolyticus infection of Pacific white shrimp (Litopenaeus vannamei). PLoS One 2021; 16:e0251343. [PMID: 33956913 PMCID: PMC8101937 DOI: 10.1371/journal.pone.0251343] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2021] [Accepted: 04/23/2021] [Indexed: 11/19/2022] Open
Abstract
Isoquinoline alkaloids (IQs) from Macleaya cordata are promising natural products for enhancing the growth performance and overall health condition of farmed animals. The present study aimed to investigate the effects of two formulas of IQ extract, provided in either a powdered formula (IQ-E) or a water-soluble, granulated formula (IQ-WS) and containing the main active component sanguinarine at a concentration of 0.5% and 1%, respectively, on the growth, survival, immune response, and resistance to Vibrio parahaemolyticus infection of Pacific white shrimp (Litopenaeus vannamei). In Experiment 1, the postlarvae were divided into five groups (four replicates/group and 100 shrimp/tank) and fed four times/day for 30 days with a control feed, IQ-E at 200 or 300 mg/kg of feed, or IQ-WS at 100 or 150 mg/kg of feed. In Experiment 2, the surviving shrimp from Experiment 1 were redistributed into six groups (four treatment groups as in Experiment 1 plus the positive and negative controls with four replicates/group and 30 shrimp/tank) and challenged with V. parahaemolyticus by immersion at a concentration of 103 colony-forming units (CFU)/mL and were fed with the same diets for another 14 days. The results revealed that all IQ-fed shrimp in Experiment 1 had significantly enhanced survival rates and immune parameters (total hemocyte count and phagocytic, phenoloxidase, and superoxide dismutase activities) compared to the control group, even though the growth performances were similar across all groups. In Experiment 2, all IQ-fed groups showed better growth performance and survival rates compared to the positive control. Other than in the positive control group, no histopathological lesions in the hepatopancreas and the intestine were found. In summary, the current study demonstrated the benefits of using IQs from M. cordata as feed additives for improving the growth performance, survival rate, immune responses, and resistance to vibriosis of Pacific white shrimp.
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Affiliation(s)
- Pavarist Bussabong
- Faculty of Fisheries, Department of Fishery Biology, Kasetsart University, Bangkok, Thailand
| | - Tirawat Rairat
- Faculty of Fisheries, Department of Fishery Biology, Kasetsart University, Bangkok, Thailand
| | - Niti Chuchird
- Faculty of Fisheries, Department of Fishery Biology, Kasetsart University, Bangkok, Thailand
- * E-mail:
| | - Arunothai Keetanon
- Faculty of Fisheries, Department of Fishery Biology, Kasetsart University, Bangkok, Thailand
| | - Putsucha Phansawat
- Faculty of Fisheries, Department of Fishery Biology, Kasetsart University, Bangkok, Thailand
| | - Kanokwan Cherdkeattipol
- Faculty of Fisheries, Department of Fishery Biology, Kasetsart University, Bangkok, Thailand
| | - Phongchate Pichitkul
- Faculty of Fisheries, Department of Aquaculture, Kasetsart University, Bangkok, Thailand
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26
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Fu Y, Liu W, Liu M, Zhang J, Yang M, Wang T, Qian W. In vitro anti-biofilm efficacy of sanguinarine against carbapenem-resistant Serratia marcescens. BIOFOULING 2021; 37:341-351. [PMID: 33947279 DOI: 10.1080/08927014.2021.1919649] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/09/2020] [Revised: 04/09/2021] [Accepted: 04/14/2021] [Indexed: 06/12/2023]
Abstract
Sanguinarine, a plant-derived benzophenanthridine alkaloid, was studied in terms of its anti-biofilm effects against carbapenem-resistant Serratia marcescens (CRSM). Minimum inhibitory concentrations (MICs) and cell membrane integrity were measured to investigate the antimicrobial mechanism of sanguinarine. Additionally, the extent of biofilm formation by CRSM exposed to sanguinarine was measured by crystal violet staining and visualized via field emission scanning electron microscopy and confocal laser scanning microscopy. Sanguinarine displayed moderate activity against CRSM, with a MIC90 of 32 μg ml-1. Moreover, cell membrane integrity was severely disrupted by sanguinarine at 64 μg ml-1, and biofilm formation was sharply inhibited at 32 μg ml-1. The minimum biofilm eradication concentration was 512 μg ml-1 against mature CRSM biofilms. The overall results suggest that sanguinarine is a potential anti-biofilm agent that can be explored to treat CRSM infections.
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Affiliation(s)
- Yuting Fu
- School of Food and Biological Engineering, Shaanxi University of Science and Technology, Xi'an, P. R. China
| | - Wanting Liu
- School of Food and Biological Engineering, Shaanxi University of Science and Technology, Xi'an, P. R. China
| | - Miao Liu
- School of Food and Biological Engineering, Shaanxi University of Science and Technology, Xi'an, P. R. China
| | - Jianing Zhang
- School of Food and Biological Engineering, Shaanxi University of Science and Technology, Xi'an, P. R. China
| | - Min Yang
- School of Food and Biological Engineering, Shaanxi University of Science and Technology, Xi'an, P. R. China
| | - Ting Wang
- School of Food and Biological Engineering, Shaanxi University of Science and Technology, Xi'an, P. R. China
| | - Weidong Qian
- School of Food and Biological Engineering, Shaanxi University of Science and Technology, Xi'an, P. R. China
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27
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McClements DJ, Das AK, Dhar P, Nanda PK, Chatterjee N. Nanoemulsion-Based Technologies for Delivering Natural Plant-Based Antimicrobials in Foods. FRONTIERS IN SUSTAINABLE FOOD SYSTEMS 2021. [DOI: 10.3389/fsufs.2021.643208] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
There is increasing interest in the use of natural preservatives (rather than synthetic ones) for maintaining the quality and safety of foods due to their perceived environmental and health benefits. In particular, plant-based antimicrobials are being employed to protect against microbial spoilage, thereby improving food safety, quality, and shelf-life. However, many natural antimicrobials cannot be utilized in their free form due to their chemical instability, poor dispersibility in food matrices, or unacceptable flavor profiles. For these reasons, encapsulation technologies, such as nanoemulsions, are being developed to overcome these hurdles. Indeed, encapsulation of plant-based preservatives can improve their handling and ease of use, as well as enhance their potency. This review highlights the various kinds of plant-based preservatives that are available for use in food applications. It then describes the methods available for forming nanoemulsions and shows how they can be used to encapsulate and deliver plant-based preservatives. Finally, potential applications of nano-emulsified plant-based preservatives for improving food quality and safety are demonstrated in the meat, fish, dairy, and fresh produce areas.
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28
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Guo S, Lei J, Liu L, Qu X, Li P, Liu X, Guo Y, Gao Q, Lan F, Xiao B, He C, Zou X. Effects of Macleaya cordata extract on laying performance, egg quality, and serum indices in Xuefeng black-bone chicken. Poult Sci 2021; 100:101031. [PMID: 33684648 PMCID: PMC7938252 DOI: 10.1016/j.psj.2021.101031] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Revised: 01/20/2021] [Accepted: 01/21/2021] [Indexed: 11/12/2022] Open
Abstract
The abuse of antibiotic growth promoters (AGPs) in feed has led to drug resistance and ecological damage would threaten human health eventually. Natural plants have become a hotspot in the research and application of substituting AGPs because of their advantages of safety, efficiency, and availability. This study was conducted to investigate the effects of Macleaya cordata extract (MCE) in the diet of Xuefeng black-bone chicken on laying performance, egg quality, and serum indices. In this study, 576 birds (47-week-old) were evenly distributed between 4 treatments with 6 replicates of 24 hens each. The control group was fed a basal diet without MCE and the remaining groups received 100, 150, or 200 mg/kg MCE for 84 d. Results revealed that the strength and thickness of the eggshell increased significantly with the dietary addition of MCE (P < 0.05). The serum concentrations of glutathione peroxidase increased in the MCE groups (P < 0.01). Simultaneously, progesterone, follicle stimulating hormone, estradiol as well as serum luteinizing hormone levels also increased with the addition of MCE (P < 0.05). Compared with the control group, supplementation of MCE significantly decreased the tumor necrosis factor-α and interleukin-6 levels (P < 0.01). In summary, it was concluded that diet addition of 200 mg/kg MCE ameliorated egg quality, enhanced anti-oxidation and immune activity, and regulated hormone secretion of Xuefeng black-bone chicken.
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Affiliation(s)
- Songchang Guo
- College of Animal Science and Technology, Hunan Agricultural University, Hunan, Changsha 410128, China; Hunan Engineering Research Center of Poultry Production Safety, Hunan Agricultural University, Hunan, Changsha 410128, China
| | - Jiaxing Lei
- College of Animal Science and Technology, Hunan Agricultural University, Hunan, Changsha 410128, China; Hunan Engineering Research Center of Poultry Production Safety, Hunan Agricultural University, Hunan, Changsha 410128, China
| | - Lulu Liu
- College of Animal Science and Technology, Hunan Agricultural University, Hunan, Changsha 410128, China; Hunan Engineering Research Center of Poultry Production Safety, Hunan Agricultural University, Hunan, Changsha 410128, China
| | - Xiangyong Qu
- College of Animal Science and Technology, Hunan Agricultural University, Hunan, Changsha 410128, China; Hunan Engineering Research Center of Poultry Production Safety, Hunan Agricultural University, Hunan, Changsha 410128, China
| | - Peng Li
- College of Animal Science and Technology, Hunan Agricultural University, Hunan, Changsha 410128, China; Hunan Engineering Research Center of Poultry Production Safety, Hunan Agricultural University, Hunan, Changsha 410128, China
| | - Xu Liu
- College of Animal Science and Technology, Hunan Agricultural University, Hunan, Changsha 410128, China; Hunan Engineering Research Center of Poultry Production Safety, Hunan Agricultural University, Hunan, Changsha 410128, China
| | - Ying Guo
- Research and Development Center, Hunan Yunfeifeng Agricultural Co. Ltd., Hunan, Huaihua 418200, China
| | - Qiaoqin Gao
- College of Animal Science and Technology, Hunan Agricultural University, Hunan, Changsha 410128, China; Hunan Engineering Research Center of Poultry Production Safety, Hunan Agricultural University, Hunan, Changsha 410128, China
| | - Fulin Lan
- College of Animal Science and Technology, Hunan Agricultural University, Hunan, Changsha 410128, China; Hunan Engineering Research Center of Poultry Production Safety, Hunan Agricultural University, Hunan, Changsha 410128, China
| | - Bing Xiao
- Research and Development Center, Hunan Yunfeifeng Agricultural Co. Ltd., Hunan, Huaihua 418200, China
| | - Changqing He
- College of Animal Science and Technology, Hunan Agricultural University, Hunan, Changsha 410128, China; Hunan Engineering Research Center of Poultry Production Safety, Hunan Agricultural University, Hunan, Changsha 410128, China
| | - Xiaoyan Zou
- College of Animal Science and Technology, Hunan Agricultural University, Hunan, Changsha 410128, China; College of Veterinary Medicine, Hunan Agricultural University, Hunan, Changsha 410128, China; College of Horticulture, Hunan Agricultural University, Hunan, Changsha 410128, China.
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29
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Qing C, Zhang H, Chen A, Lin Y, Shao J. Effects and possible mechanisms of sanguinarine on the competition between Raphidiopsis raciborskii (Cyanophyta) and Scenedesmus obliquus (Chlorophyta): A comparative toxicological study. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2020; 206:111192. [PMID: 32858326 DOI: 10.1016/j.ecoenv.2020.111192] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Revised: 08/05/2020] [Accepted: 08/15/2020] [Indexed: 06/11/2023]
Abstract
The phytogenic algicide sanguinarine shows strong inhibitory effects on some bloom-forming cyanobacteria and exhibits great potential in cyanobacterial bloom mitigation. To evaluate the possible ecological effects of sanguinarine on microalgae, the effects and possible mechanisms of sanguinarine on the competition between bloom-forming cyanobacterium Raphidiopsis raciborskii (formerly named Cylindrospermopsis raciborskii) and green alga Scenedesmus obliquus were investigated through co-culture competition test and comparative toxicological study including growth characteristics, chlorophyll fluorescence transients, activities of antioxidant enzymes, and lipid peroxidation. The results of Raphidiopsis-Scenedesmus co-culture competition test showed that sanguinarine decreased the competition ability of R. raciborskii, which benefitted S. obliquus in winning the competition. Toxicological studies have shown that sanguinarine exhibited high inhibitory effects on the growth and photosynthesis of R. raciborskii but no obvious toxicity on S. obliquus at concentrations of no more than 80 μg L-1. Oxidative damage partially contributed but was not the primary mechanism for the toxicity of sanguinarine on R. raciborskii. The results presented in this study indicate that sanguinarine may be a good algicidal candidate in mitigation of Raphidiopsis-based water bloom.
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Affiliation(s)
- Chun Qing
- College of Resources and Environment, Hunan Agricultural University, Changsha, 410128, PR China
| | - Huiling Zhang
- School of Chemical Engineering, Hunan Chemical Vocational Technology College, Zhuzhou, 412000, PR China
| | - Anwei Chen
- College of Resources and Environment, Hunan Agricultural University, Changsha, 410128, PR China
| | - Yiqing Lin
- College of Resources and Environment, Hunan Agricultural University, Changsha, 410128, PR China
| | - Jihai Shao
- College of Resources and Environment, Hunan Agricultural University, Changsha, 410128, PR China.
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30
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Basu A, Kumar GS. Interaction of the putative anticancer alkaloid chelerythrine with nucleic acids: biophysical perspectives. Biophys Rev 2020; 12:10.1007/s12551-020-00769-3. [PMID: 33131000 PMCID: PMC7755961 DOI: 10.1007/s12551-020-00769-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Accepted: 10/26/2020] [Indexed: 12/29/2022] Open
Abstract
Alkaloids represent an important group of molecules that have immense pharmacological potential. Benzophenanthridine alkaloids are one such class of alkaloids known for their myriad pharmacological activities that include potential anticancer activities. Chelerythrine is a premier member of the benzophenanthridine family of the isoquinoline group. This alkaloid is endowed with excellent medicinal properties and exhibits antibacterial, antimicrobial and anti-inflammatory properties. The molecular basis of its therapeutic activity is considered due to its nucleic acid binding capabilities. This review focuses on consolidating the current status on the nucleic acid binding properties of chelerythrine that is essential for the rational design and development of this alkaloid as a potential drug. This work reviews the interaction of chelerythrine with different natural and synthetic nucleic acids like double- and single-stranded DNAs, heat-denatured DNA, quadruplex DNA, double- and single-stranded RNA, tRNA and triplex and quadruplex RNA. The review emphasizes on the mode, specificity, conformational aspects and energetics of the binding that is particularly helpful for developing nucleic acid targeted therapeutics. The fundamental results discussed in this review will greatly benefit drug development for many diseases and serve as a database for the design of futuristic benzophenanthridine-based therapeutics.
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Affiliation(s)
- Anirban Basu
- Department of Chemistry, Vidyasagar University, Midnapore, 721 102, India.
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31
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A review of the role of medicinal plants on Neisseria gonorrhoeae infection. Eur J Integr Med 2020. [DOI: 10.1016/j.eujim.2020.101211] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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32
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Song J, Niu W, Wu R, Wang J, Lei L, Han W, Gu J. The Phage Holin HolGH15 Exhibits Potential As an Antibacterial Agent to Control Listeria monocytogenes. Foodborne Pathog Dis 2020; 18:574-581. [PMID: 32955931 DOI: 10.1089/fpd.2020.2833] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Listeria monocytogenes is an important foodborne pathogen that is a serious threat to public health security, and new strategies to control this bacterium in food are needed. HolGH15, derived from Staphylococcus aureus phage GH15, has shown antibacterial activity against several bacterial species. In this work, the antilisterial behavior and effectiveness of HolGH15 are further studied. To elucidate its antimicrobial modes against L. monocytogenes, cell integrity and membrane permeabilization assays were performed. When treated with HolGH15, the release of 260-nm-absorbing materials of L. monocytogenes was rapidly increased. HolGH15 triggered a significant increase in fluorescence intensity by flow cytometry. In membrane permeabilization assays, the cytoplasmic β-galactosidase of L. monocytogenes treated with HolGH15 was released via an increase in the permeability of the membrane. HolGH15 caused changes in the structural properties of L. monocytogenes cells resulting in shrinkage, which evoked the release and removal of cellular contents and finally lead to cell death. Electron microscopy observations indicated that HolGH15 exhibited excellent bactericidal potency by permeabilizing the cell membrane, damaging membrane integrity, and inducing cellular content shrinkage or loss. Moreover, HolGH15 (at the final concentration of 240 μg/mL) reduced L. monocytogenes (at the initial concentration of 106 colony-forming unit/mL) to an undetectable level at 4°C. Collectively, HolGH15 has potential as a novel antimicrobial agent against L. monocytogenes in the manufacture and store of food by spraying or soaking, especially at refrigerated temperature.
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Affiliation(s)
- Jun Song
- Key Laboratory of Zoonosis Research, Ministry of Education, College of Veterinary Medicine, Jilin University, Changchun, China.,Heilongjiang Provincial Key Laboratory of Prevention and Control of Bovine Diseases, College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing, China
| | - Wenchao Niu
- Key Laboratory of Zoonosis Research, Ministry of Education, College of Veterinary Medicine, Jilin University, Changchun, China
| | - Rui Wu
- Heilongjiang Provincial Key Laboratory of Prevention and Control of Bovine Diseases, College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing, China
| | - Jianfa Wang
- Heilongjiang Provincial Key Laboratory of Prevention and Control of Bovine Diseases, College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing, China
| | - Liancheng Lei
- Key Laboratory of Zoonosis Research, Ministry of Education, College of Veterinary Medicine, Jilin University, Changchun, China
| | - Wenyu Han
- Key Laboratory of Zoonosis Research, Ministry of Education, College of Veterinary Medicine, Jilin University, Changchun, China.,Jiangsu Co-Innovation Center for the Prevention and Control of Important Animal Infectious Disease and Zoonose, Yangzhou University, Yangzhou, China
| | - Jingmin Gu
- Key Laboratory of Zoonosis Research, Ministry of Education, College of Veterinary Medicine, Jilin University, Changchun, China.,Jiangsu Co-Innovation Center for the Prevention and Control of Important Animal Infectious Disease and Zoonose, Yangzhou University, Yangzhou, China
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33
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Casciaro B, Mangiardi L, Cappiello F, Romeo I, Loffredo MR, Iazzetti A, Calcaterra A, Goggiamani A, Ghirga F, Mangoni ML, Botta B, Quaglio D. Naturally-Occurring Alkaloids of Plant Origin as Potential Antimicrobials against Antibiotic-Resistant Infections. Molecules 2020; 25:molecules25163619. [PMID: 32784887 PMCID: PMC7466045 DOI: 10.3390/molecules25163619] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2020] [Revised: 07/29/2020] [Accepted: 08/08/2020] [Indexed: 02/06/2023] Open
Abstract
Antibiotic resistance is now considered a worldwide problem that puts public health at risk. The onset of bacterial strains resistant to conventional antibiotics and the scarcity of new drugs have prompted scientific research to re-evaluate natural products as molecules with high biological and chemical potential. A class of natural compounds of significant importance is represented by alkaloids derived from higher plants. In this review, we have collected data obtained from various research groups on the antimicrobial activities of these alkaloids against conventional antibiotic-resistant strains. In addition, the structure–function relationship was described and commented on, highlighting the high potential of alkaloids as antimicrobials.
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Affiliation(s)
- Bruno Casciaro
- Center For Life Nano Science@Sapienza, Istituto Italiano di Tecnologia, Viale Regina Elena 291, 00161 Rome, Italy; (B.C.); (L.M.); (I.R.)
| | - Laura Mangiardi
- Center For Life Nano Science@Sapienza, Istituto Italiano di Tecnologia, Viale Regina Elena 291, 00161 Rome, Italy; (B.C.); (L.M.); (I.R.)
- Department of Chemistry and Technology of Drugs, “Department of Excellence 2018−2022”, Sapienza University of Rome, P.le Aldo Moro 5, 00185 Rome, Italy; (A.I.); (A.C.); (A.G.); (D.Q.)
| | - Floriana Cappiello
- Laboratory affiliated to Pasteur Italia-Fondazione Cenci Bolognetti, Department of Biochemical Sciences, Sapienza University of Rome, P.le Aldo Moro 5, 00185 Rome, Italy; (F.C.); (M.R.L.)
| | - Isabella Romeo
- Center For Life Nano Science@Sapienza, Istituto Italiano di Tecnologia, Viale Regina Elena 291, 00161 Rome, Italy; (B.C.); (L.M.); (I.R.)
- Department of Chemistry and Technology of Drugs, “Department of Excellence 2018−2022”, Sapienza University of Rome, P.le Aldo Moro 5, 00185 Rome, Italy; (A.I.); (A.C.); (A.G.); (D.Q.)
| | - Maria Rosa Loffredo
- Laboratory affiliated to Pasteur Italia-Fondazione Cenci Bolognetti, Department of Biochemical Sciences, Sapienza University of Rome, P.le Aldo Moro 5, 00185 Rome, Italy; (F.C.); (M.R.L.)
| | - Antonia Iazzetti
- Department of Chemistry and Technology of Drugs, “Department of Excellence 2018−2022”, Sapienza University of Rome, P.le Aldo Moro 5, 00185 Rome, Italy; (A.I.); (A.C.); (A.G.); (D.Q.)
| | - Andrea Calcaterra
- Department of Chemistry and Technology of Drugs, “Department of Excellence 2018−2022”, Sapienza University of Rome, P.le Aldo Moro 5, 00185 Rome, Italy; (A.I.); (A.C.); (A.G.); (D.Q.)
| | - Antonella Goggiamani
- Department of Chemistry and Technology of Drugs, “Department of Excellence 2018−2022”, Sapienza University of Rome, P.le Aldo Moro 5, 00185 Rome, Italy; (A.I.); (A.C.); (A.G.); (D.Q.)
| | - Francesca Ghirga
- Center For Life Nano Science@Sapienza, Istituto Italiano di Tecnologia, Viale Regina Elena 291, 00161 Rome, Italy; (B.C.); (L.M.); (I.R.)
- Correspondence: (F.G.); (M.L.M.); (B.B.)
| | - Maria Luisa Mangoni
- Laboratory affiliated to Pasteur Italia-Fondazione Cenci Bolognetti, Department of Biochemical Sciences, Sapienza University of Rome, P.le Aldo Moro 5, 00185 Rome, Italy; (F.C.); (M.R.L.)
- Correspondence: (F.G.); (M.L.M.); (B.B.)
| | - Bruno Botta
- Department of Chemistry and Technology of Drugs, “Department of Excellence 2018−2022”, Sapienza University of Rome, P.le Aldo Moro 5, 00185 Rome, Italy; (A.I.); (A.C.); (A.G.); (D.Q.)
- Correspondence: (F.G.); (M.L.M.); (B.B.)
| | - Deborah Quaglio
- Department of Chemistry and Technology of Drugs, “Department of Excellence 2018−2022”, Sapienza University of Rome, P.le Aldo Moro 5, 00185 Rome, Italy; (A.I.); (A.C.); (A.G.); (D.Q.)
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Reddy PRK, Elghandour M, Salem A, Yasaswini D, Reddy PPR, Reddy AN, Hyder I. Plant secondary metabolites as feed additives in calves for antimicrobial stewardship. Anim Feed Sci Technol 2020. [DOI: 10.1016/j.anifeedsci.2020.114469] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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Qian W, Wang W, Zhang J, Liu M, Fu Y, Li X, Wang T, Li Y. Sanguinarine Inhibits Mono- and Dual-Species Biofilm Formation by Candida albicans and Staphylococcus aureus and Induces Mature Hypha Transition of C. albicans. Pharmaceuticals (Basel) 2020; 13:ph13010013. [PMID: 31941090 PMCID: PMC7168937 DOI: 10.3390/ph13010013] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2019] [Revised: 01/09/2020] [Accepted: 01/11/2020] [Indexed: 02/07/2023] Open
Abstract
Previous studies have reported that sanguinarine possesses inhibitory activities against several microorganisms, but its effects on mono- and dual-species biofilms of C. albicans and S. aureus have not been fully elucidated. In this study, we aimed to evaluate the efficacy of sanguinarine for mono- and dual-species biofilms and explore its ability to induce the hypha-to-yeast transition of C. albicans. The results showed that the minimum inhibitory concentration (MIC) and minimum biofilm inhibitory concentration (MBIC90) of sanguinarine against C. albicans and S. aureus mono-species biofilms was 4, and 2 μg/mL, respectively, while the MIC and MBIC90 of sanguinarine against dual-species biofilms was 8, and 4 μg/mL, respectively. The decrease in the levels of matrix component and tolerance to antibiotics of sanguinarine-treated mono- and dual-species biofilms was revealed by confocal laser scanning microscopy combined with fluorescent dyes, and the gatifloxacin diffusion assay, respectively. Meanwhile, sanguinarine at 128 and 256 μg/mL could efficiently eradicate the preformed 24-h biofilms by mono- and dual-species, respectively. Moreover, sanguinarine at 8 μg/mL could result in the transition of C. albicans from the mature hypha form to the unicellular yeast form. Hence, this study provides useful information for the development of new agents to combat mono- and dual-species biofilm-associated infections, caused by C. albicans and S. aureus.
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Affiliation(s)
- Weidong Qian
- School of Food and Biological Engineering, Shaanxi University of Science and Technology, Xi’an 710021, China; (W.Q.); (W.W.); (J.Z.); (M.L.); (Y.F.); (X.L.)
| | - Wenjing Wang
- School of Food and Biological Engineering, Shaanxi University of Science and Technology, Xi’an 710021, China; (W.Q.); (W.W.); (J.Z.); (M.L.); (Y.F.); (X.L.)
| | - Jianing Zhang
- School of Food and Biological Engineering, Shaanxi University of Science and Technology, Xi’an 710021, China; (W.Q.); (W.W.); (J.Z.); (M.L.); (Y.F.); (X.L.)
| | - Miao Liu
- School of Food and Biological Engineering, Shaanxi University of Science and Technology, Xi’an 710021, China; (W.Q.); (W.W.); (J.Z.); (M.L.); (Y.F.); (X.L.)
| | - Yuting Fu
- School of Food and Biological Engineering, Shaanxi University of Science and Technology, Xi’an 710021, China; (W.Q.); (W.W.); (J.Z.); (M.L.); (Y.F.); (X.L.)
| | - Xiang Li
- School of Food and Biological Engineering, Shaanxi University of Science and Technology, Xi’an 710021, China; (W.Q.); (W.W.); (J.Z.); (M.L.); (Y.F.); (X.L.)
| | - Ting Wang
- School of Food and Biological Engineering, Shaanxi University of Science and Technology, Xi’an 710021, China; (W.Q.); (W.W.); (J.Z.); (M.L.); (Y.F.); (X.L.)
- Correspondence: (T.W.); (Y.L.); Tel.: +86-29-86168583 (T.W.)
| | - Yongdong Li
- Ningbo Municipal Center for Disease Control and Prevention, Ningbo 315010, China
- Correspondence: (T.W.); (Y.L.); Tel.: +86-29-86168583 (T.W.)
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The Biological Activity of Natural Alkaloids against Herbivores, Cancerous Cells and Pathogens. Toxins (Basel) 2019; 11:toxins11110656. [PMID: 31717922 PMCID: PMC6891610 DOI: 10.3390/toxins11110656] [Citation(s) in RCA: 89] [Impact Index Per Article: 17.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2019] [Revised: 10/31/2019] [Accepted: 11/05/2019] [Indexed: 01/10/2023] Open
Abstract
The growing incidence of microorganisms that resist antimicrobials is a constant concern for the scientific community, while the development of new antimicrobials from new chemical entities has become more and more expensive, time-consuming, and exacerbated by emerging drug-resistant strains. In this regard, many scientists are conducting research on plants aiming to discover possible antimicrobial compounds. The secondary metabolites contained in plants are a source of chemical entities having pharmacological activities and intended to be used for the treatment of different diseases. These chemical entities have the potential to be used as an effective antioxidant, antimutagenic, anticarcinogenic and antimicrobial agents. Among these pharmacologically active entities are the alkaloids which are classified into a number of classes, including pyrrolizidines, pyrrolidines, quinolizidines, indoles, tropanes, piperidines, purines, imidazoles, and isoquinolines. Alkaloids that have antioxidant properties are capable of preventing a variety of degenerative diseases through capturing free radicals, or through binding to catalysts involved indifferent oxidation processes occurring within the human body. Furthermore, these entities are capable of inhibiting the activity of bacteria, fungi, protozoan and etc. The unique properties of these secondary metabolites are the main reason for their utilization by the pharmaceutical companies for the treatment of different diseases. Generally, these alkaloids are extracted from plants, animals and fungi. Penicillin is the most famous natural drug discovery deriving from fungus. Similarly, marines have been used as a source for thousands of bioactive marine natural products. In this review, we cover the medical use of natural alkaloids isolated from a variety of plants and utilized by humans as antibacterial, antiviral, antifungal and anticancer agents. An example for such alkaloids is berberine, an isoquinoline alkaloid, found in roots and stem-bark of Berberis asculin P. Renault plant and used to kill a variety of microorganisms.
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Och A, Zalewski D, Komsta Ł, Kołodziej P, Kocki J, Bogucka-Kocka A. Cytotoxic and Proapoptotic Activity of Sanguinarine, Berberine, and Extracts of Chelidonium majus L. and Berberis thunbergii DC. toward Hematopoietic Cancer Cell Lines. Toxins (Basel) 2019; 11:E485. [PMID: 31443589 PMCID: PMC6784183 DOI: 10.3390/toxins11090485] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Revised: 08/20/2019] [Accepted: 08/21/2019] [Indexed: 01/02/2023] Open
Abstract
Isoquinoline alkaloids belong to the toxic secondary metabolites occurring in plants of many families. The high biological activity makes these compounds promising agents for use in medicine, particularly as anticancer drugs. The aim of our study was to evaluate the cytotoxicity and proapoptotic activity of sanguinarine, berberine, and extracts of Chelidonium majus L. and Berberis thunbergii DC. IC10, IC50, and IC90 doses were established toward hematopoietic cancer cell lines using trypan blue staining. Alterations in the expression of 18 apoptosis-related genes in cells exposed to IC10, IC50, and IC90 were evaluated using real-time PCR. Sanguinarine and Chelidonium majus L. extract exhibit significant cytotoxicity against all studied cell lines. Lower cytotoxic activity was demonstrated for berberine. Berberis thunbergii DC. extract had no influence on cell viability. Berberine, sanguinarine, and Chelidonium majus L. extract altered the expression of apoptosis-related genes in all tested cell lines, indicating the induction of apoptosis. The presented study confirmed the substantial cytotoxicity and proapoptotic activity of sanguinarine, berberine, and Chelidonium majus L. extract toward the studied hematopoietic cell lines, which indicates the utility of these substances in anticancer therapy.
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Affiliation(s)
- Anna Och
- Chair and Department of Biology and Genetics, Medical University of Lublin, 4a Chodźki St., 20-093 Lublin, Poland
| | - Daniel Zalewski
- Chair and Department of Biology and Genetics, Medical University of Lublin, 4a Chodźki St., 20-093 Lublin, Poland
| | - Łukasz Komsta
- Chair and Department of Medicinal Chemistry, Medical University of Lublin, 4 Jaczewskiego St., 20-090 Lublin, Poland
| | - Przemysław Kołodziej
- Chair and Department of Biology and Genetics, Medical University of Lublin, 4a Chodźki St., 20-093 Lublin, Poland
| | - Janusz Kocki
- Department of Clinical Genetics, Chair of Medical Genetics, Medical University of Lublin, 11 Radziwiłłowska St., 20-080 Lublin, Poland
| | - Anna Bogucka-Kocka
- Chair and Department of Biology and Genetics, Medical University of Lublin, 4a Chodźki St., 20-093 Lublin, Poland.
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Khameneh B, Iranshahy M, Soheili V, Fazly Bazzaz BS. Review on plant antimicrobials: a mechanistic viewpoint. Antimicrob Resist Infect Control 2019; 8:118. [PMID: 31346459 PMCID: PMC6636059 DOI: 10.1186/s13756-019-0559-6] [Citation(s) in RCA: 313] [Impact Index Per Article: 62.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2018] [Accepted: 06/10/2019] [Indexed: 11/16/2022] Open
Abstract
Microbial resistance to classical antibiotics and its rapid progression have raised serious concern in the treatment of infectious diseases. Recently, many studies have been directed towards finding promising solutions to overcome these problems. Phytochemicals have exerted potential antibacterial activities against sensitive and resistant pathogens via different mechanisms of action. In this review, we have summarized the main antibiotic resistance mechanisms of bacteria and also discussed how phytochemicals belonging to different chemical classes could reverse the antibiotic resistance. Next to containing direct antimicrobial activities, some of them have exerted in vitro synergistic effects when being combined with conventional antibiotics. Considering these facts, it could be stated that phytochemicals represent a valuable source of bioactive compounds with potent antimicrobial activities.
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Affiliation(s)
- Bahman Khameneh
- 1Department of Pharmaceutical Control, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Milad Iranshahy
- 2Department of Pharmacognosy, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran.,3Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Vahid Soheili
- 1Department of Pharmaceutical Control, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Bibi Sedigheh Fazly Bazzaz
- 3Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
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Setzer WN. The Phytochemistry of Cherokee Aromatic Medicinal Plants. MEDICINES (BASEL, SWITZERLAND) 2018; 5:E121. [PMID: 30424560 PMCID: PMC6313439 DOI: 10.3390/medicines5040121] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/25/2018] [Revised: 11/06/2018] [Accepted: 11/08/2018] [Indexed: 12/13/2022]
Abstract
Background: Native Americans have had a rich ethnobotanical heritage for treating diseases, ailments, and injuries. Cherokee traditional medicine has provided numerous aromatic and medicinal plants that not only were used by the Cherokee people, but were also adopted for use by European settlers in North America. Methods: The aim of this review was to examine the Cherokee ethnobotanical literature and the published phytochemical investigations on Cherokee medicinal plants and to correlate phytochemical constituents with traditional uses and biological activities. Results: Several Cherokee medicinal plants are still in use today as herbal medicines, including, for example, yarrow (Achillea millefolium), black cohosh (Cimicifuga racemosa), American ginseng (Panax quinquefolius), and blue skullcap (Scutellaria lateriflora). This review presents a summary of the traditional uses, phytochemical constituents, and biological activities of Cherokee aromatic and medicinal plants. Conclusions: The list is not complete, however, as there is still much work needed in phytochemical investigation and pharmacological evaluation of many traditional herbal medicines.
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Affiliation(s)
- William N Setzer
- Department of Chemistry, University of Alabama in Huntsville, Huntsville, AL 35899, USA.
- Aromatic Plant Research Center, 230 N 1200 E, Suite 102, Lehi, UT 84043, USA.
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Khin M, Jones AM, Cech NB, Caesar LK. Phytochemical Analysis and Antimicrobial Efficacy of Macleaya cordata against Extensively Drug-Resistant Staphylococcus aureus. Nat Prod Commun 2018; 13. [PMID: 31080542 DOI: 10.1177/1934578x1801301117] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
The antibiotic resistant threat is continuing to grow, due in part to the overuse of antibiotics in livestock feed. Many nations in Europe have banned the use of antibiotics in feed, leading to higher rates of infection in livestock animals and reduced productivity for the food market. Increasingly, researchers are looking into the efficacy of phytopreparations to replace antibiotics in feed, allowing for increased animal health without the development of resistance. Macleaya cordata, or Chinese plume poppy, shows promise as a food additive. To evaluate the antimicrobial efficacy of this plant, we tested in vitro activity of M. cordata extract, as well as pure compounds sanguinarine and chelerythrine against wild-type, methicillin-resistant, and multiply-resistant strains of Staphylococcus aureus (SA1199, AH1263, and IA116, respectively). Combination tests to evaluate synergy, additivity, and antagonism within the extract were also completed for the first time. Sanguinarine and chelerythrine showed complete growth inhibition of all strains of S. aureus at concentrations ranging from 3-10 µg/mL, and were equal in activity or were more potent than the reference compound chloramphenicol. Combination studies of pure sanguinarine and chelerythrine with M. cordata extract revealed additivity or indifference of mixture components with these compounds. Because sanguinarine and chelerythrine represent the major active constituents of M. cordata, the pooled amounts of these two compounds may be useful for establishing potency for quality control purposes. This is the first report of activity of chelerythrine and sanguinarine against methicillin-resistant S. aureus AH1263 and multiply-resistant S. aureus IA116, and illustrates the promise of M. cordata extract as an alternative to antibiotics in feed additives.
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Affiliation(s)
- Manead Khin
- Department of Chemistry and Biochemistry, University of North Carolina at Greensboro, Greensboro, NC 27402
| | - Alan M Jones
- Departments of Biology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599.,Pharmacology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599
| | - Nadja B Cech
- Department of Chemistry and Biochemistry, University of North Carolina at Greensboro, Greensboro, NC 27402
| | - Lindsay K Caesar
- Department of Chemistry and Biochemistry, University of North Carolina at Greensboro, Greensboro, NC 27402
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Zhu Q, Jiang M, Liu Q, Yan S, Feng L, Lan Y, Shan G, Xue W, Guo R. Enhanced healing activity of burn wound infection by a dextran-HA hydrogel enriched with sanguinarine. Biomater Sci 2018; 6:2472-2486. [PMID: 30066700 DOI: 10.1039/c8bm00478a] [Citation(s) in RCA: 55] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Burn wounds are associated with a series of risks, such as infection and pathologic scar tissue formation, which significantly delay wound healing and lead to complications. In this study, we successfully fabricated a dextran-hyaluronic acid (Dex-HA) hydrogel enriched with sanguinarine (SA) incorporated into gelatin microspheres (GMs), which had high porosity, good swelling ratio, enhanced NIH-3T3 fibroblast cell proliferation, and sustained SA release profile. The in vitro degradation results indicate that the SA/GMs/Dex-HA hydrogel can be degraded. The in vitro antibacterial tests showed that the SA/GMs/Dex-HA hydrogel can inhibit methicillin-resistant Staphylococcus aureus (MRSA) and Escherichia coli (E. coli). We evaluated the wound-healing effects and antibacterial properties of SA/GMs/Dex-HA hydrogels in a rat full-thickness burn infection model. The hematoxylin-eosin (H&E) and Masson's trichrome staining results of the SA/GMs/Dex-HA hydrogel showed that it improved re-epithelialization and enhanced extracellular matrix remodeling, and immunohistochemistry results showed that the expression of TGF-β1 and TNF-α was decreased, while the TGF-β3 expression was increased. Our findings suggest that the SA/GMs/Dex-HA hydrogel provides a potential way for infected burn treatment with high-quality and efficient scar inhibition.
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Affiliation(s)
- Qiyu Zhu
- Key Laboratory of Biomaterials of Guangdong Higher Education Institutes, Department of Biomedical Engineering, Jinan University, Guangzhou 510632, China.
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Alagumuthu M, Muralidharan VP, Andrew M, Ahmed MH, Iyer SK, Arumugam S. Computational Approaches to Develop Isoquinoline Based Antibiotics through DNA Gyrase Inhibition Mechanisms Unveiled through Antibacterial Evaluation and Molecular Docking. Mol Inform 2018; 37:e1800048. [DOI: 10.1002/minf.201800048] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2018] [Accepted: 07/16/2018] [Indexed: 12/26/2022]
Affiliation(s)
- Manikandan Alagumuthu
- Dept. of Biotechnology, School of Bio-Sciences and Technology; Vellore Institute of Technology; Vellore- 632014 India
| | - Vivek Panyam Muralidharan
- Dept. of Chemistry, School of Advanced Sciences; Vellore Institute of Technology; Vellore- 632014 India
| | - Monic Andrew
- Dept. of Biotechnology, School of Bio-Sciences and Technology; Vellore Institute of Technology; Vellore- 632014 India
| | - Mohammed Habeeb Ahmed
- Dept. of Biotechnology, School of Bio-Sciences and Technology; Vellore Institute of Technology; Vellore- 632014 India
| | | | - Sivakumar Arumugam
- Dept. of Biotechnology, School of Bio-Sciences and Technology; Vellore Institute of Technology; Vellore- 632014 India
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M. Shami A. The Effect of Alkaloidal Fraction from Annona squamosa L. against Pathogenic Bacteria with Antioxidant Activities. PHARMACEUTICAL SCIENCES 2017. [DOI: 10.15171/ps.2017.44] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
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Galadari S, Rahman A, Pallichankandy S, Thayyullathil F. Molecular targets and anticancer potential of sanguinarine-a benzophenanthridine alkaloid. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2017; 34:143-153. [PMID: 28899497 DOI: 10.1016/j.phymed.2017.08.006] [Citation(s) in RCA: 53] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/28/2016] [Revised: 07/06/2017] [Accepted: 08/06/2017] [Indexed: 05/03/2023]
Abstract
BACKGROUND Cancer is an enormous global health burden, and should be effectively addressed with better therapeutic strategies. Currently, over 60% of the clinically approved anticancer agents are either directly isolated from natural sources or are modified from natural lead molecules. Sanguinarine (SNG), a quaternary benzophenanthridine alkaloid has gained increasing attention in recent years as a potential anticancer agent. PURPOSE There is a large untapped source of phytochemical-based anticancer agents remaining to be explored. This review article aims to recapitulate different anticancer properties of SNG, and describes some of the molecular targets involved in exerting its effect. It also depicts the pharmacokinetic and toxicological properties of SNG, two parameters important in determining the druggability of a molecule. METHODS Numerous in vivo and in vitro published studies have signified the anticancer properties of SNG. In order to collate and decipher these properties, an extensive literature search was conducted in PubMed, ScienceDirect, and Scopus using keywords followed by the evaluation of the relevant articles where the relevant reports are integrated and analyzed. RESULTS Apart from inducing cell death, SNG inhibits pro-tumorigenic processes such as invasion, angiogenesis, and metastasis in different cancers. Moreover, SNG has been shown to synergistically enhance the sensitivity of several chemotherapeutic agents and is effective against a variety of multi-drug resistant cancers.
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Affiliation(s)
- Sehamuddin Galadari
- Cell Death Signaling Laboratory, Division of Science (Biology), Experimental Research Building, New York University Abu Dhabi, PO Box 129188, Saadiyat Island Campus, Abu Dhabi, UAE.
| | - Anees Rahman
- Cell Death Signaling Laboratory, Division of Science (Biology), Experimental Research Building, New York University Abu Dhabi, PO Box 129188, Saadiyat Island Campus, Abu Dhabi, UAE.
| | - Siraj Pallichankandy
- Cell Death Signaling Laboratory, Division of Science (Biology), Experimental Research Building, New York University Abu Dhabi, PO Box 129188, Saadiyat Island Campus, Abu Dhabi, UAE.
| | - Faisal Thayyullathil
- Cell Death Signaling Laboratory, Division of Science (Biology), Experimental Research Building, New York University Abu Dhabi, PO Box 129188, Saadiyat Island Campus, Abu Dhabi, UAE.
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Ping G, Wang Y, Shen L, Wang Y, Hu X, Chen J, Hu B, Cui L, Meng Q, Li C. Highly efficient complexation of sanguinarine alkaloid by carboxylatopillar[6]arene: pKa shift, increased solubility and enhanced antibacterial activity. Chem Commun (Camb) 2017; 53:7381-7384. [DOI: 10.1039/c7cc02799k] [Citation(s) in RCA: 55] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Efficient complexation of sanguinarine by carboxylatopillar[6]arene. The pKa shift, increased solubility, and enhanced antibacterial activity are described.
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Wang Q, Dai P, Bao H, Liang P, Wang W, Xing A, Sun J. Anti-inflammatory and neuroprotective effects of sanguinarine following cerebral ischemia in rats. Exp Ther Med 2016; 13:263-268. [PMID: 28123499 DOI: 10.3892/etm.2016.3947] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2015] [Accepted: 02/25/2016] [Indexed: 12/16/2022] Open
Abstract
Stroke is one of the leading causes of mortality worldwide. Protective agents that can diminish injuries caused by cerebral ischemia-reperfusion (I/R) are important in alleviating the harmful outcomes of stroke. The aim of the present study was to investigate the protective role of sanguinarine in cerebral I/R injury. A rat middle cerebral artery occlusion model was used to assess the clinical effect of sanguinarine, and inflammatory cytokines in the serum were detected by ELISA. Western blotting was performed to examine the change in levels of apoptosis-associated proteins in the injured brains. The results suggested that sanguinarine, an anti-inflammatory agent derived from the roots of Sanguinaria canadensis, improved the state of cerebral ischemia in a rat model. The data demonstrated that when rats were treated with sanguinarine prior to middle cerebral artery occlusion, the infarct volume was reduced significantly. The inflammatory factors tumor necrosis factor-α, interleukin (IL)-6 and IL-1β were measured in sanguinarine and vehicle-treated groups using an enzyme-linked immunosorbent assay, and the expression levels of the three factors were significantly reduced following treatment with sanguinarine (P<0.05). In addition, western blot analysis demonstrated that the ratio of B-cell lymphoma 2/Bcl-2-associated X protein was significantly increased following treatment with sanguinarine (P<0.05). The study demonstrated that sanguinarine exerts a protective effect in cerebral ischemia, and that this effect is associated with the anti-inflammatory and anti-apoptotic properties of sanguinarine.
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Affiliation(s)
- Qin Wang
- State Key Laboratory of Cancer Biology, Department of Pharmacogenomics, School of Pharmacy, The Fourth Military Medical University, Xi'an, Shaanxi 710032, P.R. China
| | - Peng Dai
- State Key Laboratory of Cancer Biology, Department of Pharmacogenomics, School of Pharmacy, The Fourth Military Medical University, Xi'an, Shaanxi 710032, P.R. China
| | - Han Bao
- State Key Laboratory of Cancer Biology, Department of Pharmacogenomics, School of Pharmacy, The Fourth Military Medical University, Xi'an, Shaanxi 710032, P.R. China
| | - Ping Liang
- State Key Laboratory of Cancer Biology, Department of Pharmacogenomics, School of Pharmacy, The Fourth Military Medical University, Xi'an, Shaanxi 710032, P.R. China
| | - Wei Wang
- State Key Laboratory of Cancer Biology, Department of Pharmacogenomics, School of Pharmacy, The Fourth Military Medical University, Xi'an, Shaanxi 710032, P.R. China
| | - An Xing
- State Key Laboratory of Cancer Biology, Department of Pharmacogenomics, School of Pharmacy, The Fourth Military Medical University, Xi'an, Shaanxi 710032, P.R. China
| | - Jianbin Sun
- State Key Laboratory of Cancer Biology, Department of Pharmacogenomics, School of Pharmacy, The Fourth Military Medical University, Xi'an, Shaanxi 710032, P.R. China
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Sanguinaria canadensis: Traditional Medicine, Phytochemical Composition, Biological Activities and Current Uses. Int J Mol Sci 2016; 17:ijms17091414. [PMID: 27618894 PMCID: PMC5037693 DOI: 10.3390/ijms17091414] [Citation(s) in RCA: 49] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2016] [Revised: 08/11/2016] [Accepted: 08/12/2016] [Indexed: 12/26/2022] Open
Abstract
Sanguinaria canadensis, also known as bloodroot, is a traditional medicine used by Native Americans to treat a diverse range of clinical conditions. The plants rhizome contains several alkaloids that individually target multiple molecular processes. These bioactive compounds, mechanistically correlate with the plant’s history of ethnobotanical use. Despite their identification over 50 years ago, the alkaloids of S. canadensis have not been developed into successful therapeutic agents. Instead, they have been associated with clinical toxicities ranging from mouthwash induced leukoplakia to cancer salve necrosis and treatment failure. This review explores the historical use of S. canadensis, the molecular actions of the benzophenanthridine and protopin alkaloids it contains, and explores natural alkaloid variation as a possible rationale for the inconsistent efficacy and toxicities encountered by S.canadensis therapies. Current veterinary and medicinal uses of the plant are studied with an assessment of obstacles to the pharmaceutical development of S. canadensis alkaloid based therapeutics.
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Chakraborty SD, Sau A, Kuznetsov DV, Banerjee A, Bardhan M, Bhattacharya M, Dasgupta D, Basu S, Senapati D. Development of a Triplet-Triplet Absorption Ruler: DNA- and Chromatin-Mediated Drug Molecule Release from a Nanosurface. J Phys Chem B 2016; 120:6872-81. [PMID: 27284775 DOI: 10.1021/acs.jpcb.6b05278] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Triplet-triplet (T-T) absorption spectroscopy has been used successfully as a molecular ruler to understand the actual release process of sanguinarine as a drug molecule from a gold nanoparticle surface in the presence of cell components, that is, DNA and chromatin. The obtained results have been verified by fluorescence and surface-enhanced Raman spectroscopy (SERS), and a plausible explanation has been put forward to describe the underestimation and overestimation of the percentage (%) of the release of drug molecules measured by fluorescence- and SERS-based techniques, respectively, over the highlighted T-T absorption spectroscopy. Because of the intrinsic nature of absorption, the reported T-T absorption spectroscopic assay overpowers fluorescence- and SERS-based assays, which are limited by the long-range interaction and nonlinear dependence of the concentration of analytes, respectively.
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Affiliation(s)
| | | | - Denis V Kuznetsov
- Department of Functional Nanosystems and High Temperature Materials, National University of Science and Technology 'MISiS' , Leninsky, Prospect 4, 119049 Moscow, Russia
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Reconstitution of a 10-gene pathway for synthesis of the plant alkaloid dihydrosanguinarine in Saccharomyces cerevisiae. Nat Commun 2015; 5:3283. [PMID: 24513861 DOI: 10.1038/ncomms4283] [Citation(s) in RCA: 134] [Impact Index Per Article: 14.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2013] [Accepted: 01/20/2014] [Indexed: 01/19/2023] Open
Abstract
Benzylisoquinoline alkaloids (BIAs) represent a large class of plant secondary metabolites, including pharmaceuticals such as morphine, codeine and their derivatives. Large-scale production of BIA-based pharmaceuticals is limited to extraction and derivatization of alkaloids that accumulate in planta. Synthesis of BIAs in microbial hosts could bypass such limitations and transform both industrial production of BIAs with recognized value and research into uncharacterized BIAs. Here we reconstitute a 10-gene plant pathway in Saccharomyces cerevisiae that allows for the production of dihydrosanguinarine and its oxidized derivative sanguinarine from (R,S)-norlaudanosoline. Synthesis of dihydrosanguinarine also yields the side-products N-methylscoulerine and N-methylcheilanthifoline, the latter of which has not been detected in plants. This work represents the longest reconstituted alkaloid pathway ever assembled in yeast and demonstrates the feasibility of the production of high-value alkaloids in microbial systems.
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Safavi M, Shams-Ardakani M, Foroumadi A. Medicinal plants in the treatment of Helicobacter pylori infections. PHARMACEUTICAL BIOLOGY 2015; 53:939-960. [PMID: 25430849 DOI: 10.3109/13880209.2014.952837] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
CONTEXT Helicobacter pylori is a small, spiral, Gram-negative bacillus that plays a role in the pathogenesis of a number of diseases ranging from asymptomatic gastritis to gastric cancer. Schedule compliance, antibiotic drug resistance, and side-effects of triple or quadruple therapy have led to research for novel candidates from plants. OBJECTIVE The purpose of this paper is to review the most potent medicinal plants of recently published literature with anti-H. pylori activity. For centuries, herbals have been used by traditional healers around the world to treat various gastrointestinal tract disorders such as dyspepsia, gastritis, and peptic ulcer disease. The mechanism of action by which these botanicals exert their therapeutic properties has not been completely and clearly elucidated. Anti-H. pylori properties may be one of the possible mechanisms by which gastroprotective herbs treat gastrointestinal tract disorders. MATERIALS AND METHODS Electronic databases such as PubMed, Google scholar, EBSCO, and local databases were explored for medicinal plants with anti-H. pylori properties between 1984 and 2013 using key words "medicinal plants" and "Helicobacter pylori" or "anti-Helicobacter pylori". RESULTS A total of 43 medicinal plant species belonging to 27 families including Amaryllidaceae, Anacardiaceae, Apiaceae, Apocynaceae, Asclepiadoideae, Asteraceae, Bignoniaceae, Clusiaceae, Chancapiedra, Combretaceae, Cyperaceae, Euphorbiaceae, Fabaceae, Geraniaceae, Lamiaceae, Lauraceae, Lythraceae, Menispermaceae, Myristicaceae, Myrtaceae, Oleaceae, Papaveraceae, Plumbaginaceae, Poaceae, Ranunculaceae, Rosaceae, and Theaceae were studied as herbs with potent anti-H. pylori effects. CONCLUSION Traditional folk medicinal use of some of these plants to treat gastric infections is substantiated by the antibacterial activity of their extracts against H. pylori.
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Affiliation(s)
- Maliheh Safavi
- Department of Biotechnology, Iranian Research Organization for Science and Technology (IROST) , Tehran , Iran
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