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Zhao Y, Kong H, Li Y, Zhao Y, Zhang Y, Zhao Y, Qu H. Inhibitory effects of Curcumae Radix carbonisata-based carbon dots against liver fibrosis induced by carbon tetrachloride in mice. ARTIFICIAL CELLS, NANOMEDICINE, AND BIOTECHNOLOGY 2024; 52:23-34. [PMID: 38035609 DOI: 10.1080/21691401.2023.2239522] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Accepted: 07/18/2023] [Indexed: 12/02/2023]
Abstract
As a processed product of traditional Chinese medicine Curcumae Radix, Curcumae Radix Carbonisata (CRC) has been widely used in the treatment of liver diseases in ancient medical books. In this study, novel carbon dots (CDs) extending from 1.0 to 4.5 nm were separated from fluid extricates of CRC. Meanwhile, a liver fibrosis model induced by carbon tetrachloride (CCl4) was utilized to determine the inhibitory effects of CRC-CDs against liver fibrosis. The results exhibited the CRC-CDs with a quantum yield of 1.34% have a significant inhibitory effect on CCl4-induced liver fibrosis, as demonstrated by improving hepatocyte degeneration and necrosis, inflammatory cell infiltration and fibrotic tissue hyperplasia, downregulating the levels of alanine transaminase (ALT), aspartate aminotransferase (AST), total bilirubin (TBIL), direct bilirubin (DBIL), total bile acid (TBA), triglyceride (TG), tumour necrosis factor-α (TNF-α), interleukin (IL)-6 and IL-1β in the serum, upregulating the contents of superoxide dismutase (SOD), reduced glutathione (GSH), and downregulating the concentration of malondialdehyde (MDA), which lays an important foundation for the development of CRC-CDs as a novel drug for the treatment of liver fibrosis, and provide a certain experimental basis for the clinical application of CRC-CDs in the future.
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Affiliation(s)
- Yusheng Zhao
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Hui Kong
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Yuru Li
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, People's Republic of China
| | - Yafang Zhao
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Yue Zhang
- School of Life Sciences, Beijing University of Chinese Medicine, Beijing, China
| | - Yan Zhao
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Huihua Qu
- Centre of Scientific Experiment, Beijing University of Chinese Medicine, Beijing, China
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2
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Wu Y, Zhang J, Hu X, Huang X, Zhang X, Zou X, Shi J. Preparation of edible antibacterial films based on corn starch /carbon nanodots for bioactive food packaging. Food Chem 2024; 444:138467. [PMID: 38309078 DOI: 10.1016/j.foodchem.2024.138467] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Revised: 12/29/2023] [Accepted: 01/15/2024] [Indexed: 02/05/2024]
Abstract
Packaging plays an important role in protecting food from environmental impacts. However, traditional petroleum-based packaging has difficulty in meeting the antimicrobial and antioxidant requirements of prepared foods. This study introduced carbon dots (CDs), prepared by using carrot as a precursor, into corn starch (CS) to construct a bio-friendly composite film with high freshness retention properties. The scavenging of DPPH radicals reached 92.77 % at a CDs concentration of 512 µg/mL, and the antimicrobial activity of CS/5% CDs against Escherichia coli and Staphylococcus aureus was increased to 99.9 %. Notably, the homogeneous doping of CDs creates a dense surface and high carbon content inside the film, which promotes the elasticity and thermal stability of the composite film. Finally, we encapsulated deep-fried meatballs in CS-CDs films. The results showed that the CS-CDs films effectively protected the quality of deep-fried meatballs, and have excellent potential for application in food preservation.
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Affiliation(s)
- Yuqing Wu
- Agricultural Product Processing and Storage Lab, School of Food and Biological Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Junjun Zhang
- Agricultural Product Processing and Storage Lab, School of Food and Biological Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Xuetao Hu
- Agricultural Product Processing and Storage Lab, School of Food and Biological Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Xiaowei Huang
- Agricultural Product Processing and Storage Lab, School of Food and Biological Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Xinai Zhang
- Agricultural Product Processing and Storage Lab, School of Food and Biological Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Xiaobo Zou
- Agricultural Product Processing and Storage Lab, School of Food and Biological Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China; International Joint Research Laboratory of Intelligent Agriculture and Agri-products Processing, Jiangsu University, Zhenjiang 212013, China
| | - Jiyong Shi
- Agricultural Product Processing and Storage Lab, School of Food and Biological Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China; International Joint Research Laboratory of Intelligent Agriculture and Agri-products Processing, Jiangsu University, Zhenjiang 212013, China.
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3
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Rijo P, Abuamara TMM, Ali Lashin LS, Kamar SA, Isca VMS, Mohammed TS, Abdrabo MSM, Amin MA, Abd El Maksoud AI, Hassan A. Glycyrrhizic Acid Nanoparticles Subside the Activity of Methicillin-Resistant Staphylococcus aureus by Suppressing PBP2a. Pharmaceuticals (Basel) 2024; 17:589. [PMID: 38794159 PMCID: PMC11123903 DOI: 10.3390/ph17050589] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2024] [Revised: 04/18/2024] [Accepted: 04/24/2024] [Indexed: 05/26/2024] Open
Abstract
Staphylococcus aureus and methicillin-resistant Staphylococcus aureus (MRSA) are classified as high-risk infections that can lead to death, particularly among older individuals. Nowadays, plant nanoparticles such as glycyrrhizic acid are recognized as efficient bactericides against a wide range of bacterial strains. Recently, scientists have shown interest in plant extract nanoparticles, derived from natural sources, which can be synthesized into nanomaterials. Interestingly, glycyrrhizic acid is rich in antioxidants as well as antibacterial agents, and it exhibits no adverse effects on normal cells. In this study, glycyrrhizic acid nanoparticles (GA-NPs) were synthesized using the hydrothermal method and characterized through physicochemical techniques such as UV-visible spectrometry, DLS, zeta potential, and TEM. The antimicrobial activity of GA-NPs was investigated through various methods, including MIC assays, anti-biofilm activity assays, ATPase activity assays, and kill-time assays. The expression levels of mecA, mecR1, blaR1, and blaZ genes were measured by quantitative RT-qPCR. Additionally, the presence of the penicillin-binding protein 2a (PBP2a) protein of S. aureus and MRSA was evaluated by a Western blot assay. The results emphasized the fabrication of GA nanoparticles in spherical shapes with a diameter in the range of 40-50 nm. The data show that GA nanoparticles exhibit great bactericidal effectiveness against S. aureus and MRSA. The treatment with GA-NPs remarkably reduces the expression levels of the mecA, mecR1, blaR1, and blaZ genes. PBP2a expression in MRSA was significantly reduced after treatment with GA-NPs. Overall, this study demonstrates that glycyrrhizic acid nanoparticles have potent antibacterial activity, particularly against MRSA. This research elucidates the inhibition mechanism of glycyrrhizic acid, which involves the suppressing of PBP2a expression. This work emphasizes the importance of utilizing plant nanoparticles as effective antimicrobial agents against a broad spectrum of bacteria.
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Affiliation(s)
- Patricia Rijo
- CBIOS—Lusófona University’s Research Center for Biosciences and Health Technologies, 1749-024 Lisbon, Portugal;
- Instituto de Investigação do Medicamento (iMed.ULisboa), Faculdade de Farmácia, Universidade de Lisboa, 1649-003 Lisbon, Portugal
| | - Tamer M. M. Abuamara
- Department of Basic Medical Science, Faculty of Dentistry, Al-Ahliyya Amman University, Amman 19111, Jordan; (T.M.M.A.); (L.S.A.L.); (S.A.K.)
- Department of Histology, Faculty of Medicine, Al-Azhar University, Cairo 11884, Egypt
| | - Lashin Saad Ali Lashin
- Department of Basic Medical Science, Faculty of Dentistry, Al-Ahliyya Amman University, Amman 19111, Jordan; (T.M.M.A.); (L.S.A.L.); (S.A.K.)
- Department of Medical Physiology, Faculty of Medicine, Mansoura University, Mansoura 35516, Egypt
| | - Sherif A. Kamar
- Department of Basic Medical Science, Faculty of Dentistry, Al-Ahliyya Amman University, Amman 19111, Jordan; (T.M.M.A.); (L.S.A.L.); (S.A.K.)
- Department of Anatomy and Embryology, Faculty of Medicine, Ain Shams University, Cairo 11566, Egypt
| | - Vera M. S. Isca
- CBIOS—Lusófona University’s Research Center for Biosciences and Health Technologies, 1749-024 Lisbon, Portugal;
| | - Tahseen S. Mohammed
- Department of Public Health and Community Medicine, Faculty of Medicine, Al-Azhar University, Cairo 11884, Egypt; (T.S.M.); (M.S.M.A.)
| | - Mohamed S. M. Abdrabo
- Department of Public Health and Community Medicine, Faculty of Medicine, Al-Azhar University, Cairo 11884, Egypt; (T.S.M.); (M.S.M.A.)
| | - Mohamed A. Amin
- Department of Basic Medical Science, Faculty of Dentistry, Zarqa University, Zarqa 13110, Jordan;
- Department of Microbiology and Immunology, Faculty of Medicine, Al-Azhar University, Cairo 11884, Egypt
| | - Ahmed I. Abd El Maksoud
- College of Biotechnology, Misr University of Science and Technology, Giza 12573, Egypt;
- Department of Industrial Biotechnology, Genetic Engineering and Biotechnology Research Institute (GEBRI), University of Sadat City, Sadat 32897, Egypt
| | - Amr Hassan
- Department of Bioinformatics, Genetic Engineering and Biotechnology Research Institute (GEBRI), University of Sadat City, Sadat 32897, Egypt
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Radha R, Makhlouf Z, Diab R, Al-Sayah MH. Modifying cellulose fibres with carbon dots: a promising approach for the development of antimicrobial fibres. ROYAL SOCIETY OPEN SCIENCE 2024; 11:231755. [PMID: 38633350 PMCID: PMC11022000 DOI: 10.1098/rsos.231755] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Revised: 01/27/2024] [Accepted: 02/27/2024] [Indexed: 04/19/2024]
Abstract
This study focuses on the development of antimicrobial fibres for use in medical and healthcare textile industries. Carbon dots (CDs) were designed with boronic acid groups for the attachment to cellulose fibres found in cotton textiles and to enhance their attachment to glycogens on bacterial surfaces. Boronic acid-based and curcumin-based CDs were prepared and characterized using various techniques, showing a nanoscale size and zeta potential values. The CDs inhibited the growth of both Staphylococcus epidermidis and Escherichia coli bacteria, with UV-activated CDs demonstrating improved antibacterial activity. The antimicrobial activity of the CDs was then tested, revealing strong adherence to cellulose paper fibres with no CD diffusion and potent inhibition of bacterial growth. Cytotoxicity assays on human cell lines showed no toxicity towards cells at concentrations of up to 100 µg ml-1 but exhibited increased toxicity at concentrations exceeding 1000 µg ml-1. However, CD-modified cellulose paper fibres showed no toxicity against human cell lines, highlighting the antimicrobial properties of the CD-modified cellulose fibres are safe for human use. These findings show promising potential for applications in both industrial and clinical settings.
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Affiliation(s)
- Remya Radha
- Department of Biology, Chemistry and Environmental Sciences, American University of Sharjah, Sharjah26666, United Arab Emirates
| | - Zinb Makhlouf
- Department of Biology, Chemistry and Environmental Sciences, American University of Sharjah, Sharjah26666, United Arab Emirates
| | - Rasha Diab
- Materials Science and Engineering Program, College of Arts and Sciences, American University of Sharjah, Sharjah26666, United Arab Emirates
| | - Mohammad H. Al-Sayah
- Department of Biology, Chemistry and Environmental Sciences, American University of Sharjah, Sharjah26666, United Arab Emirates
- Materials Science and Engineering Program, College of Arts and Sciences, American University of Sharjah, Sharjah26666, United Arab Emirates
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Hussen NH, Hasan AH, FaqiKhedr YM, Bogoyavlenskiy A, Bhat AR, Jamalis J. Carbon Dot Based Carbon Nanoparticles as Potent Antimicrobial, Antiviral, and Anticancer Agents. ACS OMEGA 2024; 9:9849-9864. [PMID: 38463310 PMCID: PMC10918813 DOI: 10.1021/acsomega.3c05537] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/29/2023] [Revised: 01/26/2024] [Accepted: 02/06/2024] [Indexed: 03/12/2024]
Abstract
Antimicrobial and anticancer drugs are widely used due to increasing widespread infectious diseases caused by microorganisms such as bacterial, fungal, viral agents, or cancer cells, which are one of the major causes of mortality globally. Nevertheless, several microorganisms developed resistance to antibiotics as a result of genetic changes that have occurred over an extended period. Carbon-based materials, particularly carbon dots (C-dots), are potential candidates for antibacterial and anticancer nanomaterials due to their low toxicity, ease of synthesis and functionalization, high dispersibility in aqueous conditions, and promising biocompatibility. In this Review, the content is divided into four sections. The first section concentrates on C-dot structures, surface functionalization, and morphology. Following that, we summarize C-dot classifications and preparation methods such as arc discharge, laser ablation, electrochemical oxidation, and so on. The antimicrobial applications of C-dots as antibacterial, antifungal, and antiviral agents both in vivo and in vitro are discussed. Finally, we thoroughly examined the anticancer activity displayed by C-dots.
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Affiliation(s)
- Narmin Hamaamin Hussen
- Department of Pharmacognosy and Pharmaceutical Chemistry, College of Pharmacy, University of Sulaimani, Sulaimani 46001, Iraq
| | - Aso Hameed Hasan
- Department of Chemistry, Faculty of Science, Universiti Teknologi Malaysia 81310 Johor Bahru, Johor, Malaysia
- Department of Chemistry, College of Science, University of Garmian, Kalar 46021, Kurdistan Region, Iraq
| | - Yar Muhammed FaqiKhedr
- Department of Pharmacognosy and Pharmaceutical Chemistry, College of Pharmacy, University of Sulaimani, Sulaimani 46001, Iraq
| | - Andrey Bogoyavlenskiy
- Research and Production Center for Microbiology and Virology, Almaty 050010, Kazakhstan
| | - Ajmal R Bhat
- Department of Chemistry, RTM Nagpur University, Nagpur 440033, India
| | - Joazaizulfazli Jamalis
- Department of Chemistry, Faculty of Science, Universiti Teknologi Malaysia 81310 Johor Bahru, Johor, Malaysia
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Huang Y, Guo X, Wu Y, Chen X, Feng L, Xie N, Shen G. Nanotechnology's frontier in combatting infectious and inflammatory diseases: prevention and treatment. Signal Transduct Target Ther 2024; 9:34. [PMID: 38378653 PMCID: PMC10879169 DOI: 10.1038/s41392-024-01745-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2023] [Revised: 12/27/2023] [Accepted: 01/11/2024] [Indexed: 02/22/2024] Open
Abstract
Inflammation-associated diseases encompass a range of infectious diseases and non-infectious inflammatory diseases, which continuously pose one of the most serious threats to human health, attributed to factors such as the emergence of new pathogens, increasing drug resistance, changes in living environments and lifestyles, and the aging population. Despite rapid advancements in mechanistic research and drug development for these diseases, current treatments often have limited efficacy and notable side effects, necessitating the development of more effective and targeted anti-inflammatory therapies. In recent years, the rapid development of nanotechnology has provided crucial technological support for the prevention, treatment, and detection of inflammation-associated diseases. Various types of nanoparticles (NPs) play significant roles, serving as vaccine vehicles to enhance immunogenicity and as drug carriers to improve targeting and bioavailability. NPs can also directly combat pathogens and inflammation. In addition, nanotechnology has facilitated the development of biosensors for pathogen detection and imaging techniques for inflammatory diseases. This review categorizes and characterizes different types of NPs, summarizes their applications in the prevention, treatment, and detection of infectious and inflammatory diseases. It also discusses the challenges associated with clinical translation in this field and explores the latest developments and prospects. In conclusion, nanotechnology opens up new possibilities for the comprehensive management of infectious and inflammatory diseases.
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Affiliation(s)
- Yujing Huang
- Department of Biotherapy, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, and West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, and Collaborative Innovation Center for Biotherapy, Chengdu, 610041, China
| | - Xiaohan Guo
- Department of Biotherapy, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, and West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, and Collaborative Innovation Center for Biotherapy, Chengdu, 610041, China
| | - Yi Wu
- Department of Biotherapy, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, and West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, and Collaborative Innovation Center for Biotherapy, Chengdu, 610041, China
| | - Xingyu Chen
- Department of Biotherapy, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, and West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, and Collaborative Innovation Center for Biotherapy, Chengdu, 610041, China
| | - Lixiang Feng
- Department of Biotherapy, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, and West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, and Collaborative Innovation Center for Biotherapy, Chengdu, 610041, China
| | - Na Xie
- Department of Biotherapy, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, and West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, and Collaborative Innovation Center for Biotherapy, Chengdu, 610041, China.
| | - Guobo Shen
- Department of Biotherapy, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, and West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, and Collaborative Innovation Center for Biotherapy, Chengdu, 610041, China.
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Zhu X, Zhou Y, Yan S, Qian S, Wang Y, Ju E, Zhang C. Herbal Medicine-Inspired Carbon Quantum Dots with Antibiosis and Hemostasis Effects for Promoting Wound Healing. ACS APPLIED MATERIALS & INTERFACES 2024; 16:8527-8537. [PMID: 38329426 DOI: 10.1021/acsami.3c18418] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/09/2024]
Abstract
Bleeding and bacterial infections are crucial factors affecting wound healing. The usage of herbal medicine-derived materials holds great potential for promoting wound healing. However, the uncertain intrinsic effective ingredients and unclear mechanism of action remain great concerns. Herein, inspired by the herbal medicine Ligusticum wallichii, we reported the synthesis of tetramethylpyrazine-derived carbon quantum dots (TMP-CQDs) for promoting wound healing. Of note, the use of TMP as the precursor instead of L. wallichii ensured the repeatability and homogeneity of the obtained products. Furthermore, TMP-CQDs exhibited high antibacterial activity. Mechanically, TMP-CQDs inhibited the DNA repair, biosynthesis, and quorum sensing of the bacteria and induced intracellular reactive oxygen species (ROS). Moreover, TMP-CQDs could accelerate blood coagulation through activating factor VIII and promoting platelet aggregation. Effective wound healing was achieved by using TMP-CQDs in the Staphylococcus aureus-infected mouse skin wound model. This study sheds light on the development of herbal medicine-inspired materials as effective therapeutic drugs.
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Affiliation(s)
- Xiaofei Zhu
- Department of Laboratory Medicine, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing 210029, China
| | - Yu Zhou
- College of First Clinical Medicine, Nanjing University of Chinese Medicine, Nanjing 210029, China
| | - Shihai Yan
- Department of Pharmacology, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing 210029, China
| | - Shining Qian
- Department of Laboratory Medicine, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing 210029, China
| | - Yaohui Wang
- Department of Pathology, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing 210029, China
| | - Enguo Ju
- Center for Nanomedicine, The Third Affiliated Hospital, Sun Yat-Sen University, Guangzhou 510630, China
| | - Chunbing Zhang
- Department of Laboratory Medicine, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing 210029, China
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Fang Z, Xue Y, Leng Y, Zhang L, Ren X, Yang N, Chen J, Chen L, Wang H. Erzhi pills reverse PD-L1-mediated immunosuppression in melanoma microenvironment. Heliyon 2024; 10:e24988. [PMID: 38317912 PMCID: PMC10839997 DOI: 10.1016/j.heliyon.2024.e24988] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2023] [Revised: 01/17/2024] [Accepted: 01/17/2024] [Indexed: 02/07/2024] Open
Abstract
Background Cancer immunotherapies aimed at activating immune system, especially by blocking immune checkpoints, have become a successful modality for treating patients with advanced cancers. However, its clinical practice is frequently conceded by high outcomes, low initial response rates and severe side effects. New strategies are necessary to complement and advance this biological therapy. Erzhi Pills (EZP) have diverse pharmaceutical effects including immune regulation, anti-tumor and anti-senescence. We hypothesized that EZP could exert its antitumor effect through immunomodulation. Purpose The aim of this study was to investigate the effects of EZP on anti-tumor activities, and define its molecular mechanisms. Methods By applying melanoma model with high immune infiltrates, we determined the anti-melanoma effect of EZP. To identify whether this effect was mediated by direct targeting tumor cells, cell viability and apoptosis were examined in vitro. Network pharmacology analysis was used to predict the potential mechanisms of EZP for melanoma via immune response. Flow cytometry, immunohistochemistry (IHC), enzyme-linked immunosorbent assay (ELISA) and crystal violet (CV) experiments were performed to detect T cell infiltrations and functions mediated by EZP. The mechanism of EZP was further investigated by western blotting both in vivo and in vitro. Results The administration of EZP significantly inhibited tumor weight and volume. EZP extract could only slightly reduce cell viability and induce melanoma apoptosis. Network pharmacology analysis predicted that JAK-STAT signaling pathway and T cell receptor signaling pathway might be involved during EZP treatment. Flow cytometry and IHC analyses showed that EZP increased the number of CD4+ T cells and enhanced the function of CD8+ T cells. In co-culture experiments, EZP elevated killing ability of T cells. Western blotting showed that EZP treatment reduced PD-L1 signaling pathway. Conclusion These findings indicated that EZP exerted anti-melanoma effects by inducing apoptosis and blocking PD-L1 to activate T cells. EZP might represent a promising candidate drug for cancer immunotherapies.
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Affiliation(s)
- Zhirui Fang
- State Key Laboratory of Component-based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, 301617, Tianjin, China
- School of Medical Technology, Tianjin University of Traditional Chinese Medicine, 301617, Tianjin, China
| | - Yuejin Xue
- State Key Laboratory of Component-based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, 301617, Tianjin, China
- School of Medical Technology, Tianjin University of Traditional Chinese Medicine, 301617, Tianjin, China
| | - Yuze Leng
- School of Medical Technology, Tianjin University of Traditional Chinese Medicine, 301617, Tianjin, China
| | - Lusha Zhang
- State Key Laboratory of Component-based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, 301617, Tianjin, China
- School of Medical Technology, Tianjin University of Traditional Chinese Medicine, 301617, Tianjin, China
| | - Xiuyun Ren
- State Key Laboratory of Component-based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, 301617, Tianjin, China
- School of Medical Technology, Tianjin University of Traditional Chinese Medicine, 301617, Tianjin, China
| | - Ning Yang
- Second Affiliated Hospital of Tianjin University of Traditional Chinese Medicine, Department of Dermatology, 300250, Tianjin, China
| | - Jing Chen
- Second Affiliated Hospital of Tianjin University of Traditional Chinese Medicine, Department of Dermatology, 300250, Tianjin, China
| | - Lu Chen
- State Key Laboratory of Component-based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, 301617, Tianjin, China
- Instrumental Analysis and Research Center, Tianjin University of Traditional Chinese Medicine, 301617, Tianjin, China
| | - Hong Wang
- State Key Laboratory of Component-based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, 301617, Tianjin, China
- School of Medical Technology, Tianjin University of Traditional Chinese Medicine, 301617, Tianjin, China
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Wang J, Fu Y, Gu Z, Pan H, Zhou P, Gan Q, Yuan Y, Liu C. Multifunctional Carbon Dots for Biomedical Applications: Diagnosis, Therapy, and Theranostic. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2303773. [PMID: 37702145 DOI: 10.1002/smll.202303773] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/05/2023] [Revised: 07/27/2023] [Indexed: 09/14/2023]
Abstract
Designing suitable nanomaterials is an ideal strategy to enable early diagnosis and effective treatment of diseases. Carbon dots (CDs) are luminescent carbonaceous nanoparticles that have attracted considerable attention. Through facile synthesis, they process properties including tunable light emission, low toxicity, and light energy transformation, leading to diverse applications as optically functional materials in biomedical fields. Recently, their potentials have been further explored, such as enzyme-like activity and ability to promote osteogenic differentiation. Through refined synthesizing strategies carbon dots, a rich treasure trove for new discoveries, stand a chance to guide significant development in biomedical applications. In this review, the authors start with a brief introduction to CDs. By presenting mechanisms and examples, the authors focus on how they can be used in diagnosing and treating diseases, including bioimaging failure of tissues and cells, biosensing various pathogenic factors and biomarkers, tissue defect repair, anti-inflammation, antibacterial and antiviral, and novel oncology treatment. The introduction of the application of integrated diagnosis and treatment follows closely behind. Furthermore, the challenges and future directions of CDs are discussed. The authors hope this review will provide critical perspectives to inspire new discoveries on CDs and prompt their advances in biomedical applications.
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Affiliation(s)
- Jiayi Wang
- Key Laboratory for Ultrafine Materials of Ministry of Education, East China University of Science and Technology, Shanghai, 200237, P. R. China
- School of Material Science and Engineering, East China University of Science and Technology, Shanghai, 200237, P. R. China
| | - Yu Fu
- School of Aerospace Engineering and Applied Mechanics, Tongji University, Zhangwu Road 100, Shanghai, 200092, P. R. China
| | - Zhanghao Gu
- Key Laboratory for Ultrafine Materials of Ministry of Education, East China University of Science and Technology, Shanghai, 200237, P. R. China
- School of Material Science and Engineering, East China University of Science and Technology, Shanghai, 200237, P. R. China
| | - Hao Pan
- Key Laboratory for Ultrafine Materials of Ministry of Education, East China University of Science and Technology, Shanghai, 200237, P. R. China
- School of Material Science and Engineering, East China University of Science and Technology, Shanghai, 200237, P. R. China
| | - Panyu Zhou
- Department of Orthopedics, Changhai Hospital, Naval Medical University, Shanghai, 200433, P. R. China
| | - Qi Gan
- Key Laboratory for Ultrafine Materials of Ministry of Education, East China University of Science and Technology, Shanghai, 200237, P. R. China
- School of Material Science and Engineering, East China University of Science and Technology, Shanghai, 200237, P. R. China
- Engineering Research Center for Biomedical Materials of the Ministry of Education, East China University of Science and Technology, Shanghai, 200237, P. R. China
| | - Yuan Yuan
- Key Laboratory for Ultrafine Materials of Ministry of Education, East China University of Science and Technology, Shanghai, 200237, P. R. China
- School of Material Science and Engineering, East China University of Science and Technology, Shanghai, 200237, P. R. China
- Engineering Research Center for Biomedical Materials of the Ministry of Education, East China University of Science and Technology, Shanghai, 200237, P. R. China
| | - Changsheng Liu
- Key Laboratory for Ultrafine Materials of Ministry of Education, East China University of Science and Technology, Shanghai, 200237, P. R. China
- School of Material Science and Engineering, East China University of Science and Technology, Shanghai, 200237, P. R. China
- Engineering Research Center for Biomedical Materials of the Ministry of Education, East China University of Science and Technology, Shanghai, 200237, P. R. China
- Frontiers Science Center for Materiobiology and Dynamic Chemistry, East China University of Science and Technology, Shanghai, 200237, P. R. China
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10
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Bjørklund G, Lysiuk R, Semenova Y, Lenchyk L, Dub N, Doşa MD, Hangan T. Herbal Substances with Antiviral Effects: Features and Prospects for the Treatment of Viral Diseases with Emphasis on Pro-Inflammatory Cytokines. Curr Med Chem 2024; 31:393-409. [PMID: 36698239 DOI: 10.2174/0929867330666230125121758] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Revised: 10/28/2022] [Accepted: 11/08/2022] [Indexed: 01/26/2023]
Abstract
Viral diseases have a significant impact on human health, and three novel coronaviruses (CoV) have emerged during the 21st century. In this review, we have emphasized the potential of herbal substances with antiviral effects. Our investigation focused on the features and prospects of viral disease treatment, with a particular emphasis on proinflammatory cytokines. We conducted comprehensive searches of various databases, including Science Direct, CABI Direct, Web of Science, PubMed, and Scopus. Cytokine storm mechanisms play a crucial role in inducing a pro-inflammatory response by triggering the expression of cytokines and chemokines. This response leads to the recruitment of leukocytes and promotes antiviral effects, forming the first line of defense against viruses. Numerous studies have investigated the use of herbal medicine candidates as immunomodulators or antivirals. However, cytokine-storm-targeted therapy is recommended for patients with acute respiratory distress syndrome caused by SARS-CoV to survive severe pulmonary failure. Our reviews have demonstrated that herbal formulations could serve as alternative medicines and significantly reduce complicated viral infections. Furthermore, they hold promising potential as specific antiviral agents in experimental animal models.
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Affiliation(s)
- Geir Bjørklund
- Department of Research, Council for Nutritional and Environmental Medicine (CONEM), Mo i Rana, Norway
| | - Roman Lysiuk
- Department of Pharmacognosy and Botany, Danylo Halytsky Lviv National Medical University, Lviv, Ukraine
- CONEM Ukraine Life Science Research Group, Danylo Halytsky Lviv National Medical University, Lviv, Ukraine
| | - Yuliya Semenova
- School of Medicine, Nazarbayev University , Astana, Kazakhstan
| | - Larysa Lenchyk
- Department of Research, National University of Pharmacy, Kharkiv, Ukraine
- CONEM Ukraine Pharmacognosy and Natural Product Chemistry Research Group, National University of Pharmacy, Kharkiv, Ukraine
| | - Natalia Dub
- Andrei Krupynskyi Lviv Medical Academy, Lviv, Ukraine
| | | | - Tony Hangan
- Faculty of Medicine, Ovidius University of Constanta, Constanta, Romania
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11
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Ye S, Su F, Li J, Yu B, Xu L, Xiong T, Shao K, Yuan X. Enhanced in vivo antiviral activity against pseudorabies virus through transforming gallic acid into graphene quantum dots with stimulation of interferon-related immune responses. J Mater Chem B 2023; 12:122-130. [PMID: 37997769 DOI: 10.1039/d3tb01844j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2023]
Abstract
With the urgent need for antiviral agents, antiviral materials with high biocompatibility and antiviral effects have attracted a lot of attention. In this study, gallic acid, a natural polyphenolic compound, was transformed into biocompatible graphene quantum dots (GAGQDs) which exhibit enhanced antiviral activity against pseudorabies virus (PRV). The as-prepared GAGQDs inhibit PRV proliferation with a 104-fold reduction in viral titers. Investigation of the antiviral mechanism revealed that GAGQDs inhibit the adsorption, invasion and replication of PRV infection. Treatment with GAGQDs regulates the expression levels of interferon-related antiviral proteins, including mitochondrial antiviral-signaling protein (MAVS), signal transducer and activator of transcription 1 (STAT1) and 2',5'-oligoadenylate synthetase 1 (OAS1), suggesting that GAGQDs can stimulate innate antiviral immune responses, resulting in enhanced antiviral effects. More importantly, GAGQD treatments alleviate clinical symptoms and reduce mortality in PRV-infected mice. Our results reveal the enhanced therapeutic effects of GAGQDs against PRV infection in vitro and in vivo, suggesting the potential of GAGQDs as a promising novel antiviral agent.
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Affiliation(s)
- Shiyi Ye
- Institute of Animal Husbandry and Veterinary Science, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, P. R. China.
| | - Fei Su
- Institute of Animal Husbandry and Veterinary Science, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, P. R. China.
| | - Junxing Li
- Institute of Animal Husbandry and Veterinary Science, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, P. R. China.
| | - Bin Yu
- Institute of Animal Husbandry and Veterinary Science, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, P. R. China.
| | - Lihua Xu
- Institute of Animal Husbandry and Veterinary Science, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, P. R. China.
| | - Tao Xiong
- College of Life Science, Yangtze University, Jingzhou 434025, P. R. China
| | - Kang Shao
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, P. R. China.
| | - Xiufang Yuan
- Institute of Animal Husbandry and Veterinary Science, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, P. R. China.
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12
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Fan X, Ren C, Ning K, Shoala MA, Ke Q, Zhou Y, Wu Y, Qiu R, Liang J, Xiao S. Enantioselective Antiviral Activities of Chiral Zinc Oxide Nanoparticles. ACS APPLIED MATERIALS & INTERFACES 2023; 15:58251-58259. [PMID: 38053348 DOI: 10.1021/acsami.3c15463] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/07/2023]
Abstract
Chiral nanoparticles (C-NPs) play a crucial role in biomedical applications, especially in their biological effects on cytotoxicity and metabolism. However, there are rare reports about the antivirus property of C-NPs and their working mechanism. Here, three different types of chiral ZnO NPs (l-ZnO, d-ZnO, and dl-ZnO) were prepared as enantioselective antivirals. Biocompatibility test results showed that the three different chiral ZnO NPs varied significantly in cytotoxicity. Evaluation of their effects against porcine reproductive and respiratory syndrome virus (PRRSV) indicated that compared with d-ZnO and dl-ZnO NPs, l-ZnO NPs exhibited stronger anti-PRRSV activity due to their higher cognate cell adhesion and uptake. Furthermore, the high concentration of l-ZnO NPs can obviously reduce cellular reactive oxygen species (ROS) in MARC-145 cells, thus effectively preventing PRRSV-induced oxidative damage. This study demonstrated the outstanding antiviral properties of l-ZnO NPs, which may facilitate the development and application of C-NPs in antiviral drugs and tissue engineering.
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Affiliation(s)
- Xiaoxia Fan
- State Key Laboratory of Agricultural Microbiology, College of Science, College of Resource and Environment, Huazhong Agricultural University, Wuhan 430070, P. R. China
| | - Caifeng Ren
- State Key Laboratory of Agricultural Microbiology, College of Science, College of Resource and Environment, Huazhong Agricultural University, Wuhan 430070, P. R. China
| | - Keke Ning
- State Key Laboratory of Agricultural Microbiology, College of Science, College of Resource and Environment, Huazhong Agricultural University, Wuhan 430070, P. R. China
| | - Mohamed A Shoala
- State Key Laboratory of Agricultural Microbiology, College of Science, College of Resource and Environment, Huazhong Agricultural University, Wuhan 430070, P. R. China
| | - Qiyun Ke
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Key Laboratory of Preventive Veterinary Medicine in Hubei Province, Huazhong Agricultural University, Wuhan 430070, P. R. China
| | - Yanrong Zhou
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Key Laboratory of Preventive Veterinary Medicine in Hubei Province, Huazhong Agricultural University, Wuhan 430070, P. R. China
| | - Yuan Wu
- State Key Laboratory of Agricultural Microbiology, College of Science, College of Resource and Environment, Huazhong Agricultural University, Wuhan 430070, P. R. China
| | - Runhui Qiu
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Key Laboratory of Preventive Veterinary Medicine in Hubei Province, Huazhong Agricultural University, Wuhan 430070, P. R. China
| | - Jiangong Liang
- State Key Laboratory of Agricultural Microbiology, College of Science, College of Resource and Environment, Huazhong Agricultural University, Wuhan 430070, P. R. China
| | - Shaobo Xiao
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Key Laboratory of Preventive Veterinary Medicine in Hubei Province, Huazhong Agricultural University, Wuhan 430070, P. R. China
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13
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Liang P, Bi T, Zhou Y, Wang C, Ma Y, Xu H, Shen H, Ren W, Yang S. Carbonized Platycladus orientalis Derived Carbon Dots Accelerate Hemostasis through Activation of Platelets and Coagulation Pathways. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2303498. [PMID: 37607318 DOI: 10.1002/smll.202303498] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Revised: 07/14/2023] [Indexed: 08/24/2023]
Abstract
Achieving rapid and effective hemostasis remains a multidisciplinary challenge. Here, distinctive functional carbon dots derived from carbonized Platycladus orientalis (CPO-CDs) are developed using one-step hydrothermal method. The negatively charged surface of CPO-CDs retains partial functional groups from CPO precursor, exhibiting excellent water solubility and high biocompatibility. Both rat liver injury model and tail amputation model have confirmed the rapid and effective hemostatic performance of CPO-CDs on exogenous hemorrhage. Further, on endogenous blood-heat hemorrhage syndrome rat model, CPO-CDs could inhibit hemorrhage and alleviate inflammation response. Interestingly, the excellent hemostasis performance of CPO-CDs is ascribed to activate exogenous coagulation pathway and common coagulation pathway. More importantly, metabolomics of rat plasma suggests that the hemostasis effect of CPO-CDs is closely related to platelet functions. Therefore, the designed in vitro experiments are performed and it is discovered that CPO-CDs significantly promote platelets adhesion, activation, and aggregation. Further, the underlying mechanism investigation suggests that Src/Syk signal pathway plays a key role in platelets activation triggered by CPO-CDs. Overall, CPO-CDs with rapid and excellent hemostatic performance are discovered for the first time, which could be an excellent candidate for the treatment of hemorrhagic diseases.
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Affiliation(s)
- Pan Liang
- National Traditional Chinese Medicine Clinical Research Base and Drug Research Center of Integrated Traditional Chinese and Western Medicine, The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, 646000, China
- State Key Laboratories for Quality Research in Chinese Medicines, Faculty of Chinese Medicine, Macau University of Science and Technology, Macau, 999078, China
- Institute of Integrated Chinese and Western Medicine, Southwest Medical University, Luzhou, 646000, China
| | - Tao Bi
- National Traditional Chinese Medicine Clinical Research Base and Drug Research Center of Integrated Traditional Chinese and Western Medicine, The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, 646000, China
- Institute of Integrated Chinese and Western Medicine, Southwest Medical University, Luzhou, 646000, China
| | - Yanan Zhou
- National Traditional Chinese Medicine Clinical Research Base and Drug Research Center of Integrated Traditional Chinese and Western Medicine, The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, 646000, China
- Institute of Integrated Chinese and Western Medicine, Southwest Medical University, Luzhou, 646000, China
| | - Chengmei Wang
- National Traditional Chinese Medicine Clinical Research Base and Drug Research Center of Integrated Traditional Chinese and Western Medicine, The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, 646000, China
- Institute of Integrated Chinese and Western Medicine, Southwest Medical University, Luzhou, 646000, China
| | - Yining Ma
- National Traditional Chinese Medicine Clinical Research Base and Drug Research Center of Integrated Traditional Chinese and Western Medicine, The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, 646000, China
- Institute of Integrated Chinese and Western Medicine, Southwest Medical University, Luzhou, 646000, China
| | - Houping Xu
- Preventive Treatment Center, The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, 646000, China
| | - Hongping Shen
- National Traditional Chinese Medicine Clinical Research Base and Drug Research Center of Integrated Traditional Chinese and Western Medicine, The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, 646000, China
- Institute of Integrated Chinese and Western Medicine, Southwest Medical University, Luzhou, 646000, China
| | - Wei Ren
- National Traditional Chinese Medicine Clinical Research Base and Drug Research Center of Integrated Traditional Chinese and Western Medicine, The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, 646000, China
- Institute of Integrated Chinese and Western Medicine, Southwest Medical University, Luzhou, 646000, China
| | - Sijin Yang
- National Traditional Chinese Medicine Clinical Research Base and Drug Research Center of Integrated Traditional Chinese and Western Medicine, The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, 646000, China
- State Key Laboratories for Quality Research in Chinese Medicines, Faculty of Chinese Medicine, Macau University of Science and Technology, Macau, 999078, China
- Institute of Integrated Chinese and Western Medicine, Southwest Medical University, Luzhou, 646000, China
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14
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Wang CY, Ndraha N, Wu RS, Liu HY, Lin SW, Yang KM, Lin HY. An Overview of the Potential of Food-Based Carbon Dots for Biomedical Applications. Int J Mol Sci 2023; 24:16579. [PMID: 38068902 PMCID: PMC10706188 DOI: 10.3390/ijms242316579] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2023] [Revised: 11/16/2023] [Accepted: 11/19/2023] [Indexed: 12/18/2023] Open
Abstract
Food-based carbon dots (CDs) hold significant importance across various fields, ranging from biomedical applications to environmental and food industries. These CDs offer unique advantages over traditional carbon nanomaterials, including affordability, biodegradability, ease of operation, and multiple bioactivities. This work aims to provide a comprehensive overview of recent developments in food-based CDs, focusing on their characteristics, properties, therapeutic applications in biomedicine, and safety assessment methods. The review highlights the potential of food-based CDs in biomedical applications, including antibacterial, antifungal, antivirus, anticancer, and anti-immune hyperactivity. Furthermore, current strategies employed for evaluating the safety of food-based CDs have also been reported. In conclusion, this review offers valuable insights into their potential across diverse sectors and underscores the significance of safety assessment measures to facilitate their continued advancement and application.
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Affiliation(s)
- Chen-Yow Wang
- Department of Bioscience and Biotechnology, National Taiwan Ocean University, Keelung 202301, Taiwan; (C.-Y.W.); (N.N.); (H.-Y.L.); (S.-W.L.); (K.-M.Y.)
| | - Nodali Ndraha
- Department of Bioscience and Biotechnology, National Taiwan Ocean University, Keelung 202301, Taiwan; (C.-Y.W.); (N.N.); (H.-Y.L.); (S.-W.L.); (K.-M.Y.)
- Department of Food Science, National Taiwan Ocean University, Keelung 202301, Taiwan
| | - Ren-Siang Wu
- Division of Microbiology and Immunology, Graduate Institute of Biomedical Sciences, College of Medicine, Chang Gung University, Taoyuan 333323, Taiwan;
| | - Hsin-Yun Liu
- Department of Bioscience and Biotechnology, National Taiwan Ocean University, Keelung 202301, Taiwan; (C.-Y.W.); (N.N.); (H.-Y.L.); (S.-W.L.); (K.-M.Y.)
| | - Sin-Wei Lin
- Department of Bioscience and Biotechnology, National Taiwan Ocean University, Keelung 202301, Taiwan; (C.-Y.W.); (N.N.); (H.-Y.L.); (S.-W.L.); (K.-M.Y.)
| | - Kuang-Min Yang
- Department of Bioscience and Biotechnology, National Taiwan Ocean University, Keelung 202301, Taiwan; (C.-Y.W.); (N.N.); (H.-Y.L.); (S.-W.L.); (K.-M.Y.)
| | - Hung-Yun Lin
- Center of Excellence for the Oceans, National Taiwan Ocean University, Keelung 202301, Taiwan
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15
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Wu T, Li M, Li T, Zhao Y, Yuan J, Zhao Y, Tian X, Kong R, Zhao Y, Kong H, Zhang Y, Qu H. Natural biomass-derived carbon dots as a potent solubilizer with high biocompatibility and enhanced antioxidant activity. Front Mol Biosci 2023; 10:1284599. [PMID: 38028549 PMCID: PMC10652762 DOI: 10.3389/fmolb.2023.1284599] [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: 08/28/2023] [Accepted: 10/12/2023] [Indexed: 12/01/2023] Open
Abstract
Numerous natural compounds exhibit low bioavailability due to suboptimal water solubility. The solubilization methods of the modern pharmaceutical industry in contemporary pharmaceutical research are restricted by low efficiency, sophisticated technological requirements, and latent adverse effects. There is a pressing need to elucidate and implement a novel solubilizer to ameliorate these challenges. This study identified natural biomass-derived carbon dots as a promising candidate. We report on natural fluorescent carbon dots derived from Aurantia Fructus Immatures (AFI-CDs), which have exhibited a remarkable solubilization effect, augmenting naringin (NA) solubility by a factor of 216.72. Subsequent analyses suggest that the solubilization mechanism is potentially contingent upon the oration of a nanostructured complex (NA-AFI-CDs) between AFI-CDs and NA, mediated by intermolecular non-covalent bonds. Concomitantly, the synthesized NA-AFI-CDs demonstrated high biocompatibility, exceptional stability, and dispersion. In addition, NA-AFI-CDs manifested superior free radical scavenging capacity. This research contributes foundational insights into the solubilization mechanism of naringin-utilizing AFI-CDs and proffers a novel strategy that circumvents the challenges associated with the low aqueous solubility of water-insoluble drugs in the field of modern pharmaceutical science.
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Affiliation(s)
- Tong Wu
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
| | - Menghan Li
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Tingjie Li
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
| | - Yafang Zhao
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Jinye Yuan
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Yusheng Zhao
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Xingrong Tian
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Ruolan Kong
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Yan Zhao
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Hui Kong
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Yue Zhang
- School of Life Science, Beijing University of Chinese Medicine, Beijing, China
| | - Huihua Qu
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
- Centre of Scientific Experiment, Beijing University of Chinese Medicine, Beijing, China
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16
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Chen Y, Zhu F, Che X, Li Y, Li N, Jiang Z, Li X. Angelica acutiloba Kitagawa flower induces A549 cell pyroptosis via the NF-κB/NLRP3 pathway for anti-lung cancer effects. Cell Div 2023; 18:19. [PMID: 37907950 PMCID: PMC10619230 DOI: 10.1186/s13008-023-00102-w] [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: 09/07/2023] [Accepted: 10/25/2023] [Indexed: 11/02/2023] Open
Abstract
Angelica acutiloba Kitagawa, a traditional medicinal herb of the Umbelliferae family, has been demonstrated to have anticancer activity. In this study, we investigated the anti-lung cancer effects of two compounds extracted from A. acutiloba flowers: kaempferol-3-O-α-L-(4″-E-p-coumaroyl)-rhamnoside (KAE) and platanoside (PLA). MTT, cell colony formation, and cell migration (scratch) assays revealed that both KAE (100 μM) and PLA (50 μM and 100 μM) inhibited the viability, proliferation, and migration of A549 cells. Dichlorodihydrofluorescein diacetate assays showed that KAE and PLA also induced the generation of reactive oxygen species in A549 cells. Morphologically, A549 cells swelled and grew larger under treatment with KAE and PLA, with the most significant changes at 100 μM PLA. Fluorescence staining and measurement of lactate dehydrogenase release showed that the cells underwent pyroptosis with concomitant upregulation of interleukin (IL)-1β and IL-18. Furthermore, both KAE and PLA induced upregulation of NF-κB, PARP, NLRP3, ASC, cleaved-caspase-1, and GSDMD expression in A549 cells. Subsequent investigations unveiled that these compounds interact with NLRP3, augment NLRP3's binding affinity with ASC, and stimulate the assembly of the inflammasome, thereby inducing pyroptosis. In conclusion, KAE and PLA, two active components of A. acutiloba flower extract, had significant anti-lung cancer activities exerted through regulation of proteins related to the NLRP3 inflammasome pathway.
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Affiliation(s)
- Yonghu Chen
- Yanbian University Hospital, Yanbian University, Yanji, 133002, People's Republic of China
| | - Fangying Zhu
- Yanbian University Hospital, Yanbian University, Yanji, 133002, People's Republic of China
- Changchun Institute of Biological Products Co., Ltd, Changchun, 130012, People's Republic of China
| | - Xianhua Che
- Yanbian University Hospital, Yanbian University, Yanji, 133002, People's Republic of China
| | - Yanwei Li
- Yanbian University Hospital, Yanbian University, Yanji, 133002, People's Republic of China
| | - Ning Li
- School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, 110016, People's Republic of China
| | - Zhe Jiang
- Yanbian University Hospital, Yanbian University, Yanji, 133002, People's Republic of China.
| | - Xuezheng Li
- Yanbian University Hospital, Yanbian University, Yanji, 133002, People's Republic of China.
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17
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Zhang J, Zou L, Li Q, Wu H, Sun Z, Xu X, Shi L, Sun Z, Ma G. Carbon Dots Derived from Traditional Chinese Medicines with Bioactivities: A Rising Star in Clinical Treatment. ACS APPLIED BIO MATERIALS 2023; 6:3984-4001. [PMID: 37707491 DOI: 10.1021/acsabm.3c00462] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/15/2023]
Abstract
In the field of carbon nanomaterials, carbon dots (CDs) have become a preferable choice in biomedical applications. Based on the concept of green chemistry, CDs derived from traditional Chinese medicines (TCMs) have attracted extensive attention, including TCM charcoal drugs, TCM extracts, and TCM small molecules. The design and preparation of CDs from TCMs (TCMs-CDs) can improve the inherent characteristics of TCMs, such as solubility, particle size distribution, and so on. Compared with other precursor materials, TCMs-CDs have outstanding intrinsic bioactivities and potential pharmacological effects. However, the research of TCMs-CDs in biomedicine is not comprehensive, and their mechanisms have not been understood deeply either. In this review, we will provide concise insights into the recent development of TCMs-CDs, with a major focus on their preparation, formation, precursors, and bioactivities. Then we will discuss the perfect transformation from TCMs to TCMs-CDs. Finally, we discuss the opportunities and challenges for the application of TCMs-CDs in clinical treatment.
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Affiliation(s)
- Jiawen Zhang
- Key Laboratory of Bioactive Substances and Resource Utilization of Chinese Herbal Medicine, Ministry of Education; Institute of Medicinal Plant Development, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing 100193, China
| | - Linjun Zou
- Key Laboratory of Bioactive Substances and Resource Utilization of Chinese Herbal Medicine, Ministry of Education; Institute of Medicinal Plant Development, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing 100193, China
| | - Qinglong Li
- Key Laboratory of Bioactive Substances and Resource Utilization of Chinese Herbal Medicine, Ministry of Education; Institute of Medicinal Plant Development, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing 100193, China
| | - Haifeng Wu
- Key Laboratory of Bioactive Substances and Resource Utilization of Chinese Herbal Medicine, Ministry of Education; Institute of Medicinal Plant Development, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing 100193, China
| | - Zhonghao Sun
- Key Laboratory of Bioactive Substances and Resource Utilization of Chinese Herbal Medicine, Ministry of Education; Institute of Medicinal Plant Development, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing 100193, China
| | - Xudong Xu
- Key Laboratory of Bioactive Substances and Resource Utilization of Chinese Herbal Medicine, Ministry of Education; Institute of Medicinal Plant Development, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing 100193, China
| | - Leiling Shi
- Xinjiang Institute of Chinese and Ethnic Medicine, Urumqi 830002, China
| | - Zhaocui Sun
- Key Laboratory of Bioactive Substances and Resource Utilization of Chinese Herbal Medicine, Ministry of Education; Institute of Medicinal Plant Development, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing 100193, China
| | - Guoxu Ma
- Key Laboratory of Bioactive Substances and Resource Utilization of Chinese Herbal Medicine, Ministry of Education; Institute of Medicinal Plant Development, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing 100193, China
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18
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Fibriani A, Taharuddin AAP, Yamahoki N, Stephanie R, Laurelia J, Agustiyanti DF, Wisnuwardhani PH, Angelina M, Rubiyana Y, Ningrum RA, Wardiana A, Desriani D, Iskandar F, Permatasari FA, Giri-Rachman EA. Porphyrin-derived carbon dots for an enhanced antiviral activity targeting the CTD of SARS-CoV-2 nucleocapsid. J Genet Eng Biotechnol 2023; 21:93. [PMID: 37801271 PMCID: PMC10558421 DOI: 10.1186/s43141-023-00548-z] [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: 04/28/2023] [Accepted: 09/20/2023] [Indexed: 10/07/2023]
Abstract
BACKGROUND Since effective antiviral drugs for COVID-19 are still limited in number, the exploration of compounds that have antiviral activity against SARS-CoV-2 is in high demand. Porphyrin is potentially developed as a COVID-19 antiviral drug. However, its low solubility in water restricts its clinical application. Reconstruction of porphyrin into carbon dots is expected to possess better solubility and bioavailability as well as lower biotoxicity. METHODS AND RESULTS In this study, we investigated the antiviral activity of porphyrin and porphyrin-derived carbon dots against SARS-CoV-2. Through the in silico analysis and assessment using a novel drug screening platform, namely dimer-based screening system, we demonstrated the capability of the antivirus candidates in inhibiting the dimerization of the C-terminal domain of SARS-CoV-2 Nucleocapsid. It was shown that porphyrin-derived carbon dots possessed lower cytotoxicity on Vero E6 cells than porphyrin. Furthermore, we also assessed their antiviral activity on the SARS-CoV-2-infected Vero E6 cells. The transformation of porphyrin into carbon dots substantially augmented its performance in disrupting SARS-CoV-2 propagation in vitro. CONCLUSIONS Therefore, this study comprehensively demonstrated the potential of porphyrin-derived carbon dots to be developed further as a promisingly safe and effective COVID-19 antiviral drug.
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Affiliation(s)
- Azzania Fibriani
- School of Life Sciences and Technology, Institut Teknologi Bandung, Bandung, 40132, Indonesia.
- Research Center for Nanoscience and Nanotechnology, Institut Teknologi Bandung, Bandung, 40132, Indonesia.
| | | | - Nicholas Yamahoki
- School of Life Sciences and Technology, Institut Teknologi Bandung, Bandung, 40132, Indonesia
| | - Rebecca Stephanie
- School of Life Sciences and Technology, Institut Teknologi Bandung, Bandung, 40132, Indonesia
| | - Jessica Laurelia
- School of Life Sciences and Technology, Institut Teknologi Bandung, Bandung, 40132, Indonesia
| | - Dian Fitria Agustiyanti
- Research Center for Genetic Engineering, Indonesian National Research and Innovation Agency (BRIN), Cibinong, 16911, Indonesia
| | - Popi Hadi Wisnuwardhani
- Research Center for Genetic Engineering, Indonesian National Research and Innovation Agency (BRIN), Cibinong, 16911, Indonesia
| | - Marissa Angelina
- Research Center for Pharmaceutical Ingredients and Traditional Medicine, Indonesian National Research and Innovation Agency (BRIN), Serpong, 15314, Indonesia
| | - Yana Rubiyana
- Research Center for Genetic Engineering, Indonesian National Research and Innovation Agency (BRIN), Cibinong, 16911, Indonesia
| | - Ratih Asmana Ningrum
- Research Center for Genetic Engineering, Indonesian National Research and Innovation Agency (BRIN), Cibinong, 16911, Indonesia
| | - Andri Wardiana
- Research Center for Genetic Engineering, Indonesian National Research and Innovation Agency (BRIN), Cibinong, 16911, Indonesia
| | - Desriani Desriani
- Research Center for Genetic Engineering, Indonesian National Research and Innovation Agency (BRIN), Cibinong, 16911, Indonesia
| | - Ferry Iskandar
- Research Center for Nanoscience and Nanotechnology, Institut Teknologi Bandung, Bandung, 40132, Indonesia
- Department of Physics, Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung, Bandung, 40132, Indonesia
- Collaboration Research Center for Advanced Energy Materials, National Research and Innovation Agency-Institut Teknologi, Bandung, Bandung, 40132, Indonesia
| | - Fitri Aulia Permatasari
- Department of Physics, Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung, Bandung, 40132, Indonesia
- Collaboration Research Center for Advanced Energy Materials, National Research and Innovation Agency-Institut Teknologi, Bandung, Bandung, 40132, Indonesia
- Research Center for Chemistry, National Research and Innovation Agency (BRIN), Serpong, 15314, Indonesia
| | - Ernawati Arifin Giri-Rachman
- School of Life Sciences and Technology, Institut Teknologi Bandung, Bandung, 40132, Indonesia
- Research Center for Nanoscience and Nanotechnology, Institut Teknologi Bandung, Bandung, 40132, Indonesia
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Fibriani A, Taharuddin AAP, Stephanie R, Yamahoki N, Laurelia J, Wisnuwardhani PH, Agustiyanti DF, Angelina M, Rubiyana Y, Ningrum RA, Wardiana A, Iskandar F, Permatasari FA, Giri-Rachman EA. Curcumin-derived carbon-dots as a potential COVID-19 antiviral drug. Heliyon 2023; 9:e20089. [PMID: 37809799 PMCID: PMC10559838 DOI: 10.1016/j.heliyon.2023.e20089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2023] [Revised: 09/08/2023] [Accepted: 09/11/2023] [Indexed: 10/10/2023] Open
Abstract
Even entering the third year of the COVID-19 pandemic, only a small number of COVID-19 antiviral drugs are approved. Curcumin has previously shown antiviral activity against SARS-CoV-2 nucleocapsid, but its poor bioavailability limits its clinical uses. Utilizing nanotechnology structures, curcumin-derived carbon-dots (cur-CDs) were synthesized to increase low bioavailability of curcumin. In-silico analyses were performed using molecular docking, inhibition of SARS-CoV-2 nucleocapsid C-terminal domain (N-CTD) and antiviral activity were assessed in dimer-based screening system (DBSS) and in vitro respectively. Curcumin bound with the N-CTD at ΔG = -7.6 kcal/mol, however modifications into cur-CDs significantly improved the binding affinity and %interaction. Cur-CDs also significantly increased protection against SARS-CoV-2 in both DBSS and in vitro at MOI = 0.1. This study demonstrated the effect of post-infection treatment of curcumin and novel curcumin-derived carbon-dots on SARS-CoV-2 N-CTD dimerization. Further investigation on pre-infection and in-vivo treatment of curcumin and cur-CDs are required for a comprehensive understanding on the carbon-dots enhanced antiviral activity of curcumin against SARS-CoV-2.
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Affiliation(s)
- Azzania Fibriani
- School of Life Sciences and Technology, Bandung Institute of Technology, Bandung, 40132, Indonesia
- Research Center for Nanoscience and Nanotechnology, Bandung Institute of Technology, Bandung, 40132, Indonesia
| | | | - Rebecca Stephanie
- School of Life Sciences and Technology, Bandung Institute of Technology, Bandung, 40132, Indonesia
| | - Nicholas Yamahoki
- School of Life Sciences and Technology, Bandung Institute of Technology, Bandung, 40132, Indonesia
| | - Jessica Laurelia
- School of Life Sciences and Technology, Bandung Institute of Technology, Bandung, 40132, Indonesia
| | - Popi Hadi Wisnuwardhani
- Research Center for Genetic Engineering, Indonesian National Research and Innovation Agency (BRIN), Cibinong, 16911, Indonesia
| | - Dian Fitria Agustiyanti
- Research Center for Genetic Engineering, Indonesian National Research and Innovation Agency (BRIN), Cibinong, 16911, Indonesia
| | - Marissa Angelina
- Research Center for Pharmaceutical Ingredients and Traditional Medicine, Indonesian National Research and Innovation Agency (BRIN), Serpong, 15314, Indonesia
| | - Yana Rubiyana
- Research Center for Genetic Engineering, Indonesian National Research and Innovation Agency (BRIN), Cibinong, 16911, Indonesia
| | - Ratih Asmana Ningrum
- Research Center for Genetic Engineering, Indonesian National Research and Innovation Agency (BRIN), Cibinong, 16911, Indonesia
| | - Andri Wardiana
- Research Center for Genetic Engineering, Indonesian National Research and Innovation Agency (BRIN), Cibinong, 16911, Indonesia
| | - Ferry Iskandar
- Department of Physics, Faculty of Mathematics and Natural Sciences, Bandung Institute of Technology, Bandung, 40132, Indonesia
- Research Center for Nanoscience and Nanotechnology, Bandung Institute of Technology, Bandung, 40132, Indonesia
- Collaboration Research Center for Advanced Energy Materials, National Research and Innovation Agency - Bandung Institute of Technology, Bandung, 40132, West Java, Indonesia
| | - Fitri Aulia Permatasari
- Department of Physics, Faculty of Mathematics and Natural Sciences, Bandung Institute of Technology, Bandung, 40132, Indonesia
- Collaboration Research Center for Advanced Energy Materials, National Research and Innovation Agency - Bandung Institute of Technology, Bandung, 40132, West Java, Indonesia
- Research Center for Chemistry, National Research and Innovation Agency (BRIN), Kawasan Puspiptek, 15314, Banten, Indonesia
| | - Ernawati Arifin Giri-Rachman
- School of Life Sciences and Technology, Bandung Institute of Technology, Bandung, 40132, Indonesia
- Research Center for Nanoscience and Nanotechnology, Bandung Institute of Technology, Bandung, 40132, Indonesia
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20
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Jiang Y, Xiao L, Wang J, Tian T, Liu G, Zhao Y, Guo J, Zhang W, Wang J, Chen C, Gao W, Yang B. Carbon nanodots constructed by ginsenosides and their high inhibitory effect on neuroblastoma. J Nanobiotechnology 2023; 21:244. [PMID: 37507785 PMCID: PMC10386222 DOI: 10.1186/s12951-023-02023-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Accepted: 07/24/2023] [Indexed: 07/30/2023] Open
Abstract
BACKGROUND Neuroblastoma is one of the common extracranial tumors in children (infants to 2 years), accounting for 8 ~ 10% of all malignant tumors. Few special drugs have been used for clinical treatment currently. RESULTS In this work, herbal extract ginsenosides were used to synthesize fluorescent ginsenosides carbon nanodots via a one-step hydrothermal method. At a low cocultured concentration (50 µg·mL- 1) of ginsenosides carbon nanodots, the inhibition rate and apoptosis rate of SH-SY5Y cells reached ~ 45.00% and ~ 59.66%. The in vivo experiments showed tumor volume and weight of mice in ginsenosides carbon nanodots group were ~ 49.81% and ~ 34.14% to mice in model group. Since ginsenosides were used as sole reactant, ginsenosides carbon nanodots showed low toxicity and good animal response. CONCLUSION Low-cost ginsenosides carbon nanodots as a new type of nanomedicine with good curative effect and little toxicity show application prospects for clinical treatment of neuroblastoma. It is proposed a new design for nanomedicine based on bioactive carbon nanodots, which used natural bioactive molecules as sole source.
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Affiliation(s)
- Yingnan Jiang
- Jilin Ginseng Academy, Changchun University of Chinese Medicine, Changchun, 130117, P. R. China
| | - Lizhi Xiao
- Jilin Ginseng Academy, Changchun University of Chinese Medicine, Changchun, 130117, P. R. China
| | - Jifeng Wang
- Jilin Ginseng Academy, Changchun University of Chinese Medicine, Changchun, 130117, P. R. China
| | - Tenghui Tian
- Jilin Ginseng Academy, Changchun University of Chinese Medicine, Changchun, 130117, P. R. China
| | - Guancheng Liu
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun, 130012, P. R. China
| | - Yu Zhao
- Jilin Ginseng Academy, Changchun University of Chinese Medicine, Changchun, 130117, P. R. China.
| | - Jiajuan Guo
- Jilin Ginseng Academy, Changchun University of Chinese Medicine, Changchun, 130117, P. R. China
| | - Wei Zhang
- Jilin Ginseng Academy, Changchun University of Chinese Medicine, Changchun, 130117, P. R. China
| | - Jiawen Wang
- Jilin Ginseng Academy, Changchun University of Chinese Medicine, Changchun, 130117, P. R. China
| | - Changbao Chen
- Jilin Ginseng Academy, Changchun University of Chinese Medicine, Changchun, 130117, P. R. China.
| | - Wenyi Gao
- Jilin Ginseng Academy, Changchun University of Chinese Medicine, Changchun, 130117, P. R. China.
| | - Bai Yang
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun, 130012, P. R. China
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21
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Tuñón-Molina A, Cano-Vicent A, Serrano-Aroca Á. Tiger Nut Milk's Antiviral Properties against Enveloped and Non-Enveloped Viruses: Effect of Concentration and Adding Sugar. Int J Mol Sci 2023; 24:12018. [PMID: 37569397 PMCID: PMC10419018 DOI: 10.3390/ijms241512018] [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: 06/29/2023] [Revised: 07/14/2023] [Accepted: 07/25/2023] [Indexed: 08/13/2023] Open
Abstract
The global COVID-19 pandemic has warned scientists of the requirement to look for new antimicrobial compounds to prevent infection by this type of viral pathogen. Natural compounds are becoming a promising avenue of research thanks to their renewable, biodegradable, and non-toxic properties. In this work, tiger nut milk's (TNM) antiviral properties, with and without sugar, were studied against enveloped and non-enveloped viruses. The antiviral properties of TNM were evaluated at different concentrations. The antiviral tests showed that TNM is antiviral against the enveloped bacteriophage phi 6, which is commonly used as a surrogate for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), although it did not have any antiviral effect against the non-enveloped bacteriophage MS2. We also found that adding sugar to this natural drink can improve its antiviral properties against enveloped viruses and render it antiviral against non-enveloped viruses like bacteriophage MS2. The antiviral activity of TNM depends on the TNM concentration. TNM is a natural bioproduct that could help to fight against viral infections and protect against a wide range of viral illnesses. These results confirm that the typical sweetened drink made from tiger nut extract and sugar (known as horchata in Spain) possesses broad-spectrum antiviral properties.
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Affiliation(s)
| | | | - Ángel Serrano-Aroca
- Biomaterials and Bioengineering Lab, Centro de Investigación Traslacional San Alberto Magno, Universidad Católica de Valencia San Vicente Mártir, 46001 Valencia, Spain; (A.T.-M.); (A.C.-V.)
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22
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Kaurav H, Verma D, Bansal A, Kapoor DN, Sheth S. Progress in drug delivery and diagnostic applications of carbon dots: a systematic review. Front Chem 2023; 11:1227843. [PMID: 37521012 PMCID: PMC10375716 DOI: 10.3389/fchem.2023.1227843] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Accepted: 07/05/2023] [Indexed: 08/01/2023] Open
Abstract
Carbon dots (CDs), which have particle size of less than 10 nm, are carbon-based nanomaterials that are used in a wide range of applications in the area of novel drug delivery in cancer, ocular diseases, infectious diseases, and brain disorders. CDs are biocompatible, eco-friendly, easy to synthesize, and less toxic with excellent chemical inertness, which makes them very good nanocarrier system to deliver multi-functional drugs effectively. A huge number of researchers worldwide are working on CDs-based drug delivery systems to evaluate their versatility and efficacy in the field of pharmaceuticals. As a result, there is a tremendous increase in our understanding of the physicochemical properties, diagnostic and drug delivery aspects of CDs, which consequently has led us to design and develop CDs-based theranostic system for the treatment of multiple disorders. In this review, we aim to summarize the advances in application of CDs as nanocarrier including gene delivery, vaccine delivery and antiviral delivery, that has been carried out in the last 5 years.
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Affiliation(s)
- Hemlata Kaurav
- School of Pharmaceutical Sciences, Shoolini University of Biotechnology and Management Sciences, Solan, Himachal Pradesh, India
| | - Dhriti Verma
- School of Pharmaceutical Sciences, Shoolini University of Biotechnology and Management Sciences, Solan, Himachal Pradesh, India
| | - Amit Bansal
- Formulation Research and Development, Perrigo Company Plc, Allegan, MI, United States
| | - Deepak N. Kapoor
- School of Pharmaceutical Sciences, Shoolini University of Biotechnology and Management Sciences, Solan, Himachal Pradesh, India
| | - Sandeep Sheth
- Department of Pharmaceutical Sciences, College of Pharmacy, Larkin University, Miami, FL, United States
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23
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Zhao Y, Cheng G, Gao Y, Cui L, Zhao Y, Zhang Y, Tian Y, Zhao Y, Zhang Y, Qu H, Kong H. Green synthetic natural carbon dots derived from Fuligo Plantae with inhibitory effect against alcoholic gastric ulcer. Front Mol Biosci 2023; 10:1223621. [PMID: 37484528 PMCID: PMC10360179 DOI: 10.3389/fmolb.2023.1223621] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Accepted: 06/29/2023] [Indexed: 07/25/2023] Open
Abstract
Introduction: Fuligo Plantae (FP), the ash that sticks to the bottom of pots or chimneys after weeds burn, has long been used for its hemostatic effects and treatment of gastrointestinal bleeding. Nevertheless, the active ingredient of FP still needs to be further explored. Methods: The microstructure, optical and chemical properties of FP-CDs were characterized. An alcohol-induced gastric ulcer model was utilized to evaluate whether pre-administration of FP-CDs alleviated gastric bleeding symptoms and ameliorated gastric mucosal barrier disruption. In addition, the feces of each group of rats were extracted for 16S rDNA genome sequencing of intestinal flora. Results: FP-CDs with a diameter ranging from 1.4-3.2 nm had abundant chemical groups, which may be beneficial to the exertion of inherent activity. FP-CDs alleviated alcohol-induced gastric ulcer, as demonstrated by activating the extrinsic coagulation pathway, alleviating inflammation, and suppressing oxidative stress levels. More interestingly, FP-CDs can improve the diversity and dysbiosis of intestinal flora in rats with alcohol-induced gastric ulcer. Conclusion: These comes about illustrate the momentous inhibitory effects of FP-CDs on alcoholic gastric ulcer in rats, which give a modern methodology for investigating the effective ingredient of FP, and lay an experimental basis for the application of FP-CDs in the clinical treatment of alcoholic gastric ulcer.
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Affiliation(s)
- Yusheng Zhao
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Guoliang Cheng
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Yushan Gao
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Luming Cui
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Yafang Zhao
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Yifan Zhang
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Yu Tian
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Yan Zhao
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Yue Zhang
- School of Life Sciences, Beijing University of Chinese Medicine, Beijing, China
| | - Huihua Qu
- Centre of Scientific Experiment, Beijing University of Chinese Medicine, Beijing, China
| | - Hui Kong
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
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24
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Natsathaporn P, Herwig G, Altenried S, Ren Q, Rossi RM, Crespy D, Itel F. Functional Fiber Membranes with Antibacterial Properties for Face Masks. ADVANCED FIBER MATERIALS 2023; 5:1-15. [PMID: 37361107 PMCID: PMC10189208 DOI: 10.1007/s42765-023-00291-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Accepted: 04/09/2023] [Indexed: 06/28/2023]
Abstract
Reusable face masks are an important alternative for minimizing costs of disposable and surgical face masks during pandemics. Often complementary to washing, a prolonged lifetime of face masks relies on the incorporation of self-cleaning materials. The development of self-cleaning face mask materials requires the presence of a durable catalyst to deactivate contaminants and microbes after long-term use without reducing filtration efficiency. Herein, we generate self-cleaning fibers by functionalizing silicone-based (polydimethylsiloxane, PDMS) fibrous membranes with a photocatalyst. Coaxial electrospinning is performed to fabricate fibers with a non-crosslinked silicone core within a supporting shell scaffold, followed by thermal crosslinking and removal of the water-soluble shell. Photocatalytic zinc oxide nanoparticles (ZnO NPs) are immobilized on the PDMS fibers by colloid-electrospinning or post-functionalization procedures. The fibers functionalized with ZnO NPs can degrade a photo-sensitive dye and display antibacterial properties against Gram-positive and Gram-negative bacteria (Escherichia coli and Staphylococcus aureus) due to the generation of reactive oxygen species upon irradiation with UV light. Furthermore, a single layer of functionalized fibrous membrane shows an air permeability in the range of 80-180 L/m2s and 65% filtration efficiency against fine particulate matter with a diameter less than 1.0 µm (PM1.0). Graphical abstract Supplementary Information The online version contains supplementary material available at 10.1007/s42765-023-00291-7.
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Affiliation(s)
- Papada Natsathaporn
- Department of Materials Science and Engineering, School of Molecular Science and Engineering, Vidyasirimedhi Institute of Science and Technology (VISTEC), Rayong, 21210 Thailand
| | - Gordon Herwig
- Laboratory for Biomimetic Membranes and Textiles, Empa, Swiss Federal Laboratories for Materials Science and Technology, Lerchenfeldstrasse 5, 9014 St. Gallen, Switzerland
| | - Stefanie Altenried
- Laboratory for Biointerfaces, Empa, Swiss Federal Laboratories for Materials Science and Technology, Lerchenfeldstrasse 5, 9014 St. Gallen, Switzerland
| | - Qun Ren
- Laboratory for Biointerfaces, Empa, Swiss Federal Laboratories for Materials Science and Technology, Lerchenfeldstrasse 5, 9014 St. Gallen, Switzerland
| | - René M. Rossi
- Laboratory for Biomimetic Membranes and Textiles, Empa, Swiss Federal Laboratories for Materials Science and Technology, Lerchenfeldstrasse 5, 9014 St. Gallen, Switzerland
| | - Daniel Crespy
- Department of Materials Science and Engineering, School of Molecular Science and Engineering, Vidyasirimedhi Institute of Science and Technology (VISTEC), Rayong, 21210 Thailand
| | - Fabian Itel
- Laboratory for Biomimetic Membranes and Textiles, Empa, Swiss Federal Laboratories for Materials Science and Technology, Lerchenfeldstrasse 5, 9014 St. Gallen, Switzerland
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25
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Zuo J, Meng T, Wang Y, Tang W. A Review of the Antiviral Activities of Glycyrrhizic Acid, Glycyrrhetinic Acid and Glycyrrhetinic Acid Monoglucuronide. Pharmaceuticals (Basel) 2023; 16:ph16050641. [PMID: 37242424 DOI: 10.3390/ph16050641] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2023] [Revised: 04/17/2023] [Accepted: 04/18/2023] [Indexed: 05/28/2023] Open
Abstract
Licorice, a natural medicine derived from the roots and rhizomes of Glycyrrhiza species, possesses a wide range of therapeutic applications, including antiviral properties. Glycyrrhizic acid (GL) and glycyrrhetinic acid (GA) are the most important active ingredients in licorice. Glycyrrhetinic acid 3-O-mono-β-d-glucuronide (GAMG) is the active metabolite of GL. GL and its metabolites have a wide range of antiviral activities against viruses, such as, the hepatitis virus, herpes virus and severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and so on. Although their antiviral activity has been widely reported, the specific mechanism of action involving multiple links such as the virus itself, cells, and immunity are not clearly established. In this review, we will give an update on the role of GL and its metabolites as antiviral agents, and detail relevant evidence on the potential use and mechanisms of actions. Analyzing antivirals, their signaling, and the impacts of tissue and autoimmune protection may provide promising new therapeutic strategies.
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Affiliation(s)
- Jiawei Zuo
- Department of Pharmacy, The Second Affiliated Hospital of Anhui Medical University, Hefei 230011, China
- School of Pharmacy, Anhui Medical University, Hefei 230032, China
| | - Tao Meng
- Department of General Surgery, The Third Affiliated Hospital of Anhui Medical University, Hefei 230061, China
| | - Yuanyuan Wang
- Department of Pharmacy, The Second Affiliated Hospital of Anhui Medical University, Hefei 230011, China
| | - Wenjian Tang
- School of Pharmacy, Anhui Medical University, Hefei 230032, China
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26
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Li C, Han P, Mao H, Lv C, Huang K, Jin M. Glycyrrhizic Acid-Based Carbonized Dots Boost Antiviral Activity against Influenza A Virus via Multisite Inhibition Mechanisms. ACS APPLIED MATERIALS & INTERFACES 2023; 15:10441-10451. [PMID: 36789721 DOI: 10.1021/acsami.2c21319] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Influenza A virus (IVA) has been continuously causing pandemics in several animal hosts and has become a worldwide public health threat. Currently, antiviral drugs have become associated with a lot of side effects and limited activity against emerging drug-resistant influenza viruses. Therefore, the development of novel antiviral drugs is of great importance. In this study, we synthesized a kind of carbon dots (CDs) with high dispersibility from glycyrrhizic acid (GA) using a simple dry heating method. Compared with glycyrrhizic acid alone, GA-CDs exhibit superior solubility and significantly improve the antiviral property against IVA. Investigation of the mechanism revealed that GA-CDs act against IVA mainly by inhibiting viral internalization, replication of the viral genome, neuraminidase activity, and host inflammatory responses. More importantly, in a mouse model, GA-CDs can significantly alleviate the clinical symptoms and decrease mortality and lung viral titers. In vitro and in vivo experiments demonstrate that GA-CDs possess extraordinary therapeutic effects; therefore, we propose that GA-CDs may be a promising alternative therapy for IVA infection.
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Affiliation(s)
- Chengfei Li
- State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan 430070, P. R. China
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, P. R. China
- Key Laboratory of Development of Veterinary Diagnostic Products, Ministry of Agriculture, Wuhan 430070, P. R. China
| | - Pengfei Han
- College of Science, Huazhong Agricultural University, Wuhan 430070, P. R. China
| | - Haiying Mao
- State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan 430070, P. R. China
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, P. R. China
- Key Laboratory of Development of Veterinary Diagnostic Products, Ministry of Agriculture, Wuhan 430070, P. R. China
| | - Changjie Lv
- State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan 430070, P. R. China
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, P. R. China
- Key Laboratory of Development of Veterinary Diagnostic Products, Ministry of Agriculture, Wuhan 430070, P. R. China
| | - Kun Huang
- State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan 430070, P. R. China
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, P. R. China
- Key Laboratory of Development of Veterinary Diagnostic Products, Ministry of Agriculture, Wuhan 430070, P. R. China
| | - Meilin Jin
- State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan 430070, P. R. China
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, P. R. China
- Key Laboratory of Development of Veterinary Diagnostic Products, Ministry of Agriculture, Wuhan 430070, P. R. China
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27
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Astragaloside IV alleviates sepsis-induced muscle atrophy by inhibiting the TGF-β1/Smad signaling pathway. Int Immunopharmacol 2023; 115:109640. [PMID: 36586273 DOI: 10.1016/j.intimp.2022.109640] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Revised: 12/14/2022] [Accepted: 12/22/2022] [Indexed: 12/30/2022]
Abstract
BACKGROUND Muscle atrophy occurs in patients with sepsis and increases mortality and disability. Remission of muscle atrophy may improve the quality of life in patients with sepsis. Astragaloside IV (ASIV) has been shown to have excellent anti-inflammatory and anti-fibrotic effects and to reduce organ damage caused by sepsis. However, the effect of ASIV on sepsis-induced muscle atrophy has not been reported. Therefore, this study explored the pharmacological effects and mechanisms of ASIV in sepsis-induced muscle atrophy. METHODS Cecal ligation and puncture (CLP) was used to establish a mouse model of sepsis and lipopolysaccharide (LPS)-stimulated C2C12 myotubes. After administration of ASIV, the body weight, tibialis anterior (TA) and gastrocnemius muscle weight and fiber cross-sectional area of the mice were measured. The diameter of myotubes was observed by immunofluorescence staining. ELISA was used to assess inflammatory factors in plasma and cell culture supernatants. RT-PCR and Western blotting were used to detect the expression of MuRF1, Atrogin-1 and TGF-β1/Smad signaling pathway components in TA and C2C12 myotubes. RESULTS Our study found that ASIV reduced serum inflammatory factors and improved survival in septic mice. ASIV alleviated muscle mass reduction, myofiber cross-sectional area reduction, and C2C12 myotube atrophy by inhibiting the expression of the E3 ubiquitin ligases MuRF1 and atrogin-1. In addition, we observed that ASIV inhibited TGF-β1/Smad signaling. Inhibition of the TGF-β1/Smad signaling pathway partly blocked the anti-muscle atrophy effect of ASIV. CONCLUSION ASIV can alleviate sepsis-induced muscle atrophy, which may be related to the inhibition of the TGF-β1/Smad signaling pathway.
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28
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Hsieh CT, Gu S, Gandomi YA, Fu CC, Sung PY, Juang RS, Chen CC. Employing functionalized graphene quantum dots to combat coronavirus and enterovirus. J Colloid Interface Sci 2023; 630:1-10. [PMID: 36308803 PMCID: PMC9580242 DOI: 10.1016/j.jcis.2022.10.082] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Revised: 10/11/2022] [Accepted: 10/16/2022] [Indexed: 11/20/2022]
Abstract
The ongoing COVID-19 (i.e., coronavirus) pandemic continues to adversely affect the human life, economy, and the world's ecosystem. Although significant progress has been made in developing antiviral materials for the coronavirus, much more work is still needed. In this work, N-functionalized graphene quantum dots (GQDs) were designed and synthesized as the antiviral nanomaterial for Feline Coronavirus NTU156 (FCoV NTU156) and Enterovirus 71 (EV71)) with ultra-high inhibition (>99.9%). To prepare the GQD samples, a unique solid-phase microwave-assisted technique was developed and the cell toxicity was established on the H171 and H184 cell lines after 72 h incubation, indicating superior biocompatibility. The surface functionality of GQDs (i.e., the phenolic and amino groups) plays a vital role in interacting with the receptor-binding-domain of the spike protein. It was also found that the addition of polyethylene glycol is advantageous for the dispersion and the adsorption of functionalized GQDs onto the virus surface, leading to an enhanced virus inhibition. The functionality of as-prepared GQD nanomaterials was further confirmed where a functionalized GQD-coated glass was shown to be extremely effective in hindering the virus spread for a relatively long period (>20 h).
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Affiliation(s)
- Chien-Te Hsieh
- Department of Chemical Engineering and Materials Science, Yuan Ze University, Taoyuan 32003, Taiwan; Department of Mechanical, Aerospace, and Biomedical Engineering, University of Tennessee, Knoxville, TN 37996, United States.
| | - Siyong Gu
- Fujian Provincial Key Laboratory of Functional Materials and Applications, School of Materials Science and Engineering, Xiamen University of Technology, Xiamen 361024, China
| | - Yasser Ashraf Gandomi
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02142, United States
| | - Chun-Chieh Fu
- Department of Chemical and Materials Engineering, Chang Gung University, Guishan, Taoyuan 33302, Taiwan; Research and Development Division, Gold Carbon Co., Ltd., Taoyuan 320675, Taiwan
| | - Po-Yu Sung
- Department of Chemical Engineering and Materials Science, Yuan Ze University, Taoyuan 32003, Taiwan
| | - Ruey-Shin Juang
- Department of Chemical and Materials Engineering, Chang Gung University, Guishan, Taoyuan 33302, Taiwan; Division of Nephrology, Department of Internal Medicine, Chang Gung Memorial Hospital, Linkou, Taiwan; Department of Safety, Health and Environmental Engineering, Ming Chi University of Technology, Taishan, New Taipei City 24301, Taiwan.
| | - Cheng-Cheung Chen
- Institute of Preventive Medicine, National Defense Medical Center, New Taipei City 23742, Taiwan; Graduate Institute of Medical Science, National Defense Medical Center, Taipei City 11490, Taiwan.
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Miao Y, Wang S, Zhang B, Liu L. Carbon dot-based nanomaterials: a promising future nano-platform for targeting tumor-associated macrophages. Front Immunol 2023; 14:1133238. [PMID: 37205099 PMCID: PMC10186348 DOI: 10.3389/fimmu.2023.1133238] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2022] [Accepted: 04/05/2023] [Indexed: 05/21/2023] Open
Abstract
The tumor microenvironment (TME) is the internal environment that tumors depend on for survival and development. Tumor-associated macrophages (TAMs), as an important part of the tumor microenvironment, which plays a crucial role in the occurrence, development, invasion and metastasis of various malignant tumors and has immunosuppressant ability. With the development of immunotherapy, eradicating cancer cells by activating the innate immune system has yielded encouraging results, however only a minority of patients show a lasting response. Therefore, in vivo imaging of dynamic TAMs is crucial in patient-tailored immunotherapy to identify patients who will benefit from immunotherapy, monitor efficacy after treatment, and identify alternative strategies for non-responders. Meanwhile, developing nanomedicines based on TAMs-related antitumor mechanisms to effectively inhibit tumor growth is expected to become a promising research field. Carbon dots (CDs), as an emerging member of the carbon material family, exhibit unexpected superiority in fluorescence imaging/sensing, such as near infrared imaging, photostability, biocompatibility and low toxicity. Their characteristics naturally integrate therapy and diagnosis, and when CDs are combined with targeted chemical/genetic/photodynamic/photothermal therapeutic moieties, they are good candidates for targeting TAMs. We concentrate our discussion on the current learn of TAMs and describe recent examples of macrophage modulation based on carbon dot-associated nanoparticles, emphasizing the advantages of their multifunctional platform and their potential for TAMs theranostics.
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Affiliation(s)
| | | | | | - Lin Liu
- *Correspondence: Butian Zhang, ; Lin Liu,
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30
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Zhou Y, Zhang W, Leblanc RM. Structure-Property-Activity Relationships in Carbon Dots. J Phys Chem B 2022; 126:10777-10796. [PMID: 36395361 DOI: 10.1021/acs.jpcb.2c06856] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Carbon dots (CDs) are one of the most versatile nanomaterials discovered in the 21st century. They possess many properties and thus hold potentials in diverse applications. While an increasing amount of attention has been given to these novel nanoparticles, the broad scientific community is actively engaged in exploring their limits. Recent studies on the fractionalization and assembly of CDs further push the limits beyond just CDs and demonstrate that CDs are both a mixture of heterogeneous fractions and promising building blocks for assembly of large carbon-based materials. With CDs moving forward toward both microscopic and macroscopic levels, a good understanding of the structure-property-activity relationships is essential to forecasting the future of CDs. Hence, in this Perspective, structure-property-activity relationships are highlighted based on the repeatedly verified findings in CDs. In addition, studies on CD fractionalization and assembly are briefly summarized in this Perspective. Eventually, these structure-property-activity relationships and controllability are essential for the development of CDs with desired properties for various applications especially in photochemistry, electrochemistry, nanomedicine, and surface chemistry. In summary, in our opinion, since 2004 until the present, history has witnessed a great development of CDs although there is still some room for more studies. Also, considering many attractive properties, structure-property-activity relationships, and the building block nature of CDs, a variety of carbon-based materials of interest can be constructed from CDs with control. They can help reduce blind trials in the development of carbon-based materials, which is of great significance in materials science, chemistry, and any fields related to the applications.
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Affiliation(s)
- Yiqun Zhou
- Department of Chemistry, University of Miami, Coral Gables, Florida 33146, United States.,C-Dots LLC, Miami, Florida 33136, United States.,Department of Biological Sciences, Florida International University, Miami, Florida 33199, United States
| | - Wei Zhang
- Department of Chemistry, University of Miami, Coral Gables, Florida 33146, United States
| | - Roger M Leblanc
- Department of Chemistry, University of Miami, Coral Gables, Florida 33146, United States
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Tuñón-Molina A, Cano-Vicent A, Serrano-Aroca Á. Antimicrobial Lipstick: Bio-Based Composition against Viruses, Bacteria, and Fungi. ACS APPLIED MATERIALS & INTERFACES 2022; 14:56658-56665. [PMID: 36516340 DOI: 10.1021/acsami.2c19460] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
The COVID-19 pandemic has speeded up the race to find materials that could help limit or avoid the spread of SARS-CoV-2, while infections by multidrug-resistant bacteria and fungi are now becoming a serious threat. In this study, we developed a novel bio-based lipstick containing cranberry extract, a substance able to inactivate a broad range of microorganisms: enveloped viruses such as bacteriophage Φ6, a surrogate of SARS-CoV-2; non-enveloped viruses including bacteriophage MS2; multidrug-resistant bacteria like methicillin-resistant Staphylococcus aureus, Escherichia coli, and Mycobacterium smegmatis, a surrogate of Mycobacterium tuberculosis; and the Candida albicans fungus. The proposed antimicrobial lipstick offers a new form of protection against a broad range of microorganisms, including enveloped and non-enveloped viruses, bacteria, and fungi, in the current COVID-19 pandemic and microbial-resistant era.
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Affiliation(s)
- Alberto Tuñón-Molina
- Doctoral School, Universidad Católica de Valencia San Vicente Mártir, 46001 Valencia, Spain
- Biomaterials and Bioengineering Laboratory, Centro de Investigación Traslacional San Alberto Magno, Universidad Católica de Valencia San Vicente Mártir, 46001 Valencia, Spain
| | - Alba Cano-Vicent
- Doctoral School, Universidad Católica de Valencia San Vicente Mártir, 46001 Valencia, Spain
- Biomaterials and Bioengineering Laboratory, Centro de Investigación Traslacional San Alberto Magno, Universidad Católica de Valencia San Vicente Mártir, 46001 Valencia, Spain
| | - Ángel Serrano-Aroca
- Biomaterials and Bioengineering Laboratory, Centro de Investigación Traslacional San Alberto Magno, Universidad Católica de Valencia San Vicente Mártir, 46001 Valencia, Spain
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Yao X, Lewis RE, Haynes CL. Synthesis Processes, Photoluminescence Mechanism, and the Toxicity of Amorphous or Polymeric Carbon Dots. Acc Chem Res 2022; 55:3312-3321. [PMID: 36417545 DOI: 10.1021/acs.accounts.2c00533] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
Fluorescence is the emission of light following photon absorption. This optical phenomenon has many applications in daily life, such as in LED lamps, forensics, and bioimaging. Traditionally, small-molecule fluorophores were most common, but the types of molecules and particles with compelling fluorescence properties have expanded. For example, green fluorescent protein (GFP) was isolated from jellyfish and won the Nobel prize in 2008 due to its significant utility as a fluorescent biomarker. Using the intrinsic fluorescence of GFP, many previously invisible biological processes and substances can now be observed and studied. Other fluorescent materials have also been developed, greatly expanding the potential applications. Semiconductor quantum dots (QDs), which have bright fluorescence and a narrow bandwidth, are a popular choice for display technologies. However, QDs are made of heavy metal elements such as Cd and Se, which pose potential safety concerns to the environment and human health. Thus, new fluorescent organic materials are being developed to mitigate the toxicological concerns while maintaining the QD advantages.One type of new material attracting great attention as an environmentally friendly substitute for semiconductor QDs is carbon dots (CDs). CDs have been developed with strong fluorescence, good photostability, and low toxicity using a variety of precursors, and some synthesis processes have good potential for scale-up. However, since they are made of a variety of materials and through different methods, the structure and properties of CDs can differ from preparation to preparation. There are three major types of CDs: graphene quantum dots (GQDs), carbon quantum dots (CQDs), and amorphous or polymeric carbon dots (PCDs). This Account focuses on PCDs and their unique properties by comparing it with other types of CDs. The synthesis processes, fluorescence properties, fluorescence mechanisms, and toxicity are discussed below with an emphasis on the distinct attributes of PCDs.PCDs can be synthesized from small molecules or polymers. They have an amorphous or cross-linked polymer structure with bright fluorescence. This fluorescence is possibly due to cross-link-enhanced emission or clusteroluminescence that arises from the through-space interactions of heteroatomic-rich functional groups. Other fluorescence mechanisms of CDs, including distinct contributions from the carbon core and surface states, may also contribute. The toxicological profiles of CDs are influenced by the chemical composition, surface functionalization, and light illumination. CDs are generally thought to be of low toxicity, and this can be further improved by removing toxic byproducts, functionalizing the surface, and reducing light exposure to minimize the generation of reactive oxygen species.
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Affiliation(s)
- Xiaoxiao Yao
- Department of Chemistry, University of Minnesota, Twin Cities, 207 Pleasant Street SE, Minneapolis, Minnesota 55455, United States
| | - Riley E Lewis
- Department of Chemistry, University of Minnesota, Twin Cities, 207 Pleasant Street SE, Minneapolis, Minnesota 55455, United States
| | - Christy L Haynes
- Department of Chemistry, University of Minnesota, Twin Cities, 207 Pleasant Street SE, Minneapolis, Minnesota 55455, United States
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Green synthesis of multifunctional carbon dots from Crataegi Fructus for pH sensing, cell imaging and hemostatic effects. J Photochem Photobiol A Chem 2022. [DOI: 10.1016/j.jphotochem.2022.114531] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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García-Salazar G, Urbán-Morlán Z, Mendoza-Elvira S, Quintanar-Guerrero D, Mendoza S. Broad Antiviral Spectrum of Glycyrrhizic Acid for Human and Veterinary Medicine: Reality or Fiction? Intervirology 2022; 66:41-53. [PMID: 36455522 PMCID: PMC10015762 DOI: 10.1159/000528198] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Accepted: 11/14/2022] [Indexed: 12/03/2022] Open
Abstract
BACKGROUND Emerging virus infections provoke health problems in people and animals, which generate social and economic issues worldwide. This has spurred the search for new pharmacological strategies to confront them. SUMMARY The purpose of this review is to draw the reader's attention to pharmacological evaluations of glycyrrhizic acid (GA) and its analogs on the broad range of viruses known in human and veterinary medicine. GA is the main water-soluble constituent extracted from the roots of plants from the genus Glycyrrhiza, commonly known as licorice root. It has long been used due to its broad spectrum of bioactivities, including anti-inflammatory, antiulcer, and antitumor properties. It has also been proposed as an antiviral agent. Medicines derived from GA are currently being used to combat acute and chronic hepatitis and herpes viruses. KEY MESSAGES This review suggests that GA could be a new broad-spectrum antiviral due to its ability to inhibit DNA or RNA viruses both in vitro and in vivo. GA could be a potential drug for preventing and/or treating various viral diseases.
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Affiliation(s)
- Gilberto García-Salazar
- Departamento de Investigación y Posgrado en Alimentos, Facultad de Química, Universidad Autónoma de Querétaro, Querétaro, Mexico,
| | - Zaida Urbán-Morlán
- Facultad de Química, Centro de Información de Medicamentos, Universidad Autónoma de Yucatán, Mérida, Mexico
| | - Susana Mendoza-Elvira
- Laboratorio de Microbiología y Virología de las Enfermedades Respiratorias del Cerdo, Facultad de Estudios Superiores Cuautitlán, Universidad Nacional Autónoma de México, Ciudad de México, Mexico
| | - David Quintanar-Guerrero
- Laboratorio de Investigación y Posgrado en Tecnología Farmacéutica, Facultad de Estudios Superiores Cuautitlán, Universidad Nacional Autónoma de México, Ciudad de México, Mexico
| | - Sandra Mendoza
- Departamento de Investigación y Posgrado en Alimentos, Facultad de Química, Universidad Autónoma de Querétaro, Querétaro, Mexico
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Du S, Chen C, Qu S, Song H, Yang J, Li Y, Liu K, Lu Q, Luo W, Wang R, Guan X, Song Y, Han X. DNAzyme-Assisted Nano-Herb Delivery System for Multiple Tumor Immune Activation. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 18:e2203942. [PMID: 36156383 DOI: 10.1002/smll.202203942] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/26/2022] [Revised: 08/31/2022] [Indexed: 06/16/2023]
Abstract
As a promising therapeutic strategy against cancer, immunotherapy faces critical challenges, especially in solid tumors. Immune checkpoint blockade therapy, particularly blocking the interaction of the programmed cell death 1 (PD1)-PD1 ligand 1 (PD-L1) axis, can reverse the suppression of T cells so as to destroy tumor cells and exert antitumor effects. Here, a strategy of multiple activation of immune pathways is developed, to provide supporting evidence for potential antitumor therapies. Briefly, a pH/glutathione responsive drug-loading hollow-manganese dioxide (H-MnO2 )-based chlorine6 (Ce6)-modified DNAzyme therapeutic nanosystem for the combination of gene therapy and immunotherapy is established. The H-MnO2 nanoparticles could efficiently deliver the DNAzyme and glycyrrhizic acid (GA) to enhance the tumor target effects. In the tumor microenvironments, the biodegradation of H-MnO2 via pH-induced hydrolyzation allows the release of guest DNAzyme payloads and host Mn2+ ions, which serve as PD-L1 mRNA-targeting reagent and require DNAzyme cofactors for activating gene therapy. In addition, Mn2+ is also associated with the immune activation of thcGAS-STING pathway. Auxiliary photosensitizers Ce6 and GA could produce reactive oxygen species, resulting in immunogenic cell death. Overall, this study provides a general strategy for targeted gene inhibition and GA release, which is valuable for the development of potential tumor immunotherapies.
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Affiliation(s)
- Shiyu Du
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, School of Medicine & Holistic Integrative Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Chao Chen
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, School of Medicine & Holistic Integrative Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Suchen Qu
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, School of Medicine & Holistic Integrative Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Hongxiu Song
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, School of Medicine & Holistic Integrative Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Jingjing Yang
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, School of Medicine & Holistic Integrative Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Yayao Li
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, School of Medicine & Holistic Integrative Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Kunguo Liu
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, School of Medicine & Holistic Integrative Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China
| | - Qianglan Lu
- College of Engineering and Applied Sciences, State Key Laboratory of Analytical Chemistry for Life Science, Nanjing University, Nanjing, 210023, China
| | - Wen Luo
- College of Engineering and Applied Sciences, State Key Laboratory of Analytical Chemistry for Life Science, Nanjing University, Nanjing, 210023, China
| | - Runtian Wang
- Department of Oncology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, China
| | - Xiaoxiang Guan
- Department of Oncology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, China
| | - Yujun Song
- College of Engineering and Applied Sciences, State Key Laboratory of Analytical Chemistry for Life Science, Nanjing University, Nanjing, 210023, China
| | - Xin Han
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, School of Medicine & Holistic Integrative Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, China
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Alavi SE, Raza A, Gholami M, Giles M, Al-Sammak R, Ibrahim A, Ebrahimi Shahmabadi H, Sharma LA. Advanced Drug Delivery Platforms for the Treatment of Oral Pathogens. Pharmaceutics 2022; 14:2293. [PMID: 36365112 PMCID: PMC9692332 DOI: 10.3390/pharmaceutics14112293] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Revised: 10/21/2022] [Accepted: 10/25/2022] [Indexed: 08/26/2023] Open
Abstract
The oral cavity is a complex ecosystem accommodating various microorganisms (e.g., bacteria and fungi). Various factors, such as diet change and poor oral hygiene, can change the composition of oral microbiota, resulting in the dysbiosis of the oral micro-environment and the emergence of pathogenic microorganisms, and consequently, oral infectious diseases. Systemic administration is frequently used for drug delivery in the treatment of diseases and is associated with the problems, such as drug resistance and dysbiosis. To overcome these challenges, oral drug delivery systems (DDS) have received considerable attention. In this literature review, the related articles are identified, and their findings, in terms of current therapeutic challenges and the applications of DDSs, especially nanoscopic DDSs, for the treatment of oral infectious diseases are highlighted. DDSs are also discussed in terms of structures and therapeutic agents (e.g., antibiotics, antifungals, antiviral, and ions) that they deliver. In addition, strategies (e.g., theranostics, hydrogel, microparticle, strips/fibers, and pH-sensitive nanoparticles), which can improve the treatment outcome of these diseases, are highlighted.
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Affiliation(s)
- Seyed Ebrahim Alavi
- School of Medicine and Dentistry, Griffith University, Gold Coast, QLD 4215, Australia
| | - Aun Raza
- School of Pharmacy, Jiangsu University, Zhenjiang 212013, China
| | - Max Gholami
- School of Medicine and Dentistry, Griffith University, Gold Coast, QLD 4215, Australia
| | - Michael Giles
- School of Medicine and Dentistry, Griffith University, Gold Coast, QLD 4215, Australia
| | - Rayan Al-Sammak
- School of Medicine and Dentistry, Griffith University, Gold Coast, QLD 4215, Australia
| | - Ali Ibrahim
- School of Medicine and Dentistry, Griffith University, Gold Coast, QLD 4215, Australia
| | - Hasan Ebrahimi Shahmabadi
- Immunology of Infectious Diseases Research Center, Research Institute of Basic Medical Sciences, Rafsanjan University of Medical Sciences, Rafsanjan 7717933777, Iran
| | - Lavanya A. Sharma
- School of Medicine and Dentistry, Griffith University, Gold Coast, QLD 4215, Australia
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Li Z, Xu X, Wang Y, Kong L, Han C. Carrier-free nanoplatforms from natural plants for enhanced bioactivity. J Adv Res 2022:S2090-1232(22)00215-6. [PMID: 36208834 PMCID: PMC10403678 DOI: 10.1016/j.jare.2022.09.013] [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: 06/15/2022] [Revised: 09/15/2022] [Accepted: 09/28/2022] [Indexed: 06/16/2023] Open
Abstract
BACKGROUND Natural plants as well as traditional Chinese medicine have made outstanding contributions to the health and reproduction of human beings and remain the basis and major resource for drug innovation. Carrier-free nanoplatforms completely self-assembled by pure molecules or therapeutic components have attracted increasing attention due to their advantages of improved pharmacodynamics/pharmacokinetics, reduced toxicity, and high drug loading. In recent years, carrier-free nanoplatforms produced by self-assembly from natural plants have contributed to progress in a variety of therapeutic modalities. Notably, these nanoplatforms based on the interactions of components from different natural plants improve efficiency and depress toxicity. AIM OF REVIEW In this review, different types of self-assembled nanoplatforms are first summarized, mainly including nanoassemblies of pure small molecules isolated from different plants, extracellular vesicles separated from fresh plants, charcoal nanocomponents obtained from charred plants, and nanoaggregates from plants formulae decoctions. Key Scientific Concepts of Review: We mainly focus on composition, self-assembly mechanisms, biological activity and modes of action. Finally, a future perspective of existing challenges with respect to the clinical application of plant-based carrier-free nanoplatforms is discussed, which may be instructive to further develop effective carrier-free nanoplatforms from natural plants in the future.
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Affiliation(s)
- Zhongrui Li
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Bioactive Natural Product Research, School of Traditional Chinese Pharmacy, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing 210009, PR China; Department of Medicinal Chemistry, School of Pharmacy, Nanjing Medical University, 101 longmian Avenue, Nanjing 211166, PR China
| | - Xiao Xu
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Bioactive Natural Product Research, School of Traditional Chinese Pharmacy, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing 210009, PR China
| | - Yun Wang
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Bioactive Natural Product Research, School of Traditional Chinese Pharmacy, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing 210009, PR China
| | - Lingyi Kong
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Bioactive Natural Product Research, School of Traditional Chinese Pharmacy, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing 210009, PR China.
| | - Chao Han
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Bioactive Natural Product Research, School of Traditional Chinese Pharmacy, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing 210009, PR China.
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Liu Y, Yang L, Wang H, Xiong Y. Recent Advances in Antiviral Activities of Triterpenoids. Pharmaceuticals (Basel) 2022; 15:1169. [PMID: 36297280 PMCID: PMC9607549 DOI: 10.3390/ph15101169] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Revised: 09/14/2022] [Accepted: 09/15/2022] [Indexed: 08/27/2023] Open
Abstract
Triterpenoids, important secondary plant metabolites made up of six isoprene units, are found widely in higher plants and are studied for their structural variety and wide range of bioactivities, including antiviral, antioxidant, anticancer, and anti-inflammatory properties. Numerous studies have demonstrated that different triterpenoids have the potential to behave as potential antiviral agents. The antiviral activities of triterpenoids and their derivatives are summarized in this review, with examples of oleanane, ursane, lupane, dammarane, lanostane, and cycloartane triterpenoids. We concentrated on the tetracyclic and pentacyclic triterpenoids in particular. Furthermore, the particular viral types and possible methods, such as anti-human immunodeficiency virus (HIV), anti-influenza virus, and anti-hepatitis virus, are presented in this article. This review gives an overview and a discussion of triterpenoids as potential antiviral agents.
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Affiliation(s)
- Yue Liu
- Department of Pharmaceutics, Key Laboratory of Basic Pharmacology of Guizhou Province and School of Pharmacy, Zunyi Medical University, Zunyi 563000, China
- Key Laboratory of Basic Pharmacology of Ministry of Education and Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi 563000, China
| | - Liangyu Yang
- Department of Pharmaceutics, Key Laboratory of Basic Pharmacology of Guizhou Province and School of Pharmacy, Zunyi Medical University, Zunyi 563000, China
- Key Laboratory of Basic Pharmacology of Ministry of Education and Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi 563000, China
| | - Hong Wang
- Department of Pharmaceutics, Key Laboratory of Basic Pharmacology of Guizhou Province and School of Pharmacy, Zunyi Medical University, Zunyi 563000, China
- Key Laboratory of Basic Pharmacology of Ministry of Education and Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi 563000, China
| | - Yongai Xiong
- Department of Pharmaceutics, Key Laboratory of Basic Pharmacology of Guizhou Province and School of Pharmacy, Zunyi Medical University, Zunyi 563000, China
- Key Laboratory of Basic Pharmacology of Ministry of Education and Joint International Research Laboratory of Ethnomedicine of Ministry of Education, Zunyi Medical University, Zunyi 563000, China
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Kwee Y, Zhou Y, Fahmi MZ, Sharon M, Kristanti AN. Progress on Applying Carbon Dots for Inhibition of RNA Virus Infection. Nanotheranostics 2022; 6:436-450. [PMID: 36051856 PMCID: PMC9428922 DOI: 10.7150/ntno.73918] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Accepted: 08/11/2022] [Indexed: 11/20/2022] Open
Abstract
Viral infection is a globally leading health issue. Annually, new lethal RNA viruses unexpectedly emerged and mutated threatening health and safety. Meanwhile, it is urgent to explore novel antiviral agents, which, however, takes years to be clinically available. Nonetheless, the development of carbon dots (CDs) in the past 20 years has exhibited their vast application potentials and revealed their promising capacity as future antiviral agents considering their versatile properties and significant antiviral responses. Thus, CDs have been widely investigated as an alternative of traditional chemotherapy for inhibiting viral infection and replication in vitro. Meanwhile, attempts to apply CDs to in vivo systems are in high demand. In this review, recent developments of CDs-based antiviral therapies are systematically summarized. Furthermore, the role of CDs in photodynamic inactivation to kill viruses or bacteria is briefly discussed.
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Affiliation(s)
- Yaung Kwee
- Department of Chemistry, Pakokku University, Myaing Road, Pakokku 90401, Myanmar
| | - Yiqun Zhou
- Department of Chemistry, University of Miami, Coral Gables, FL 33146, USA
| | - Mochamad Zakki Fahmi
- Department of Chemistry, Universitas Airlangga, Surabaya 60115, Indonesia.,Supramodification Nano-micro Engineering Research Group, Universitas Airlangga, Surabaya 60115, Indonesia
| | - Madhuri Sharon
- Research Director at Walchand Center for Research in Nanotechnology and Bionanotechnology, Walchand College of Arts and Science, W. H. Road, Ashok Chowk, Solapur 413006, India
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Tong T, Tang W, Xiao S, Liang J. Antiviral Effects of Heparan Sulfate Analogue‐Modified Two‐Dimensional MXene Nanocomposites on PRRSV and SARS‐CoV‐2. ADVANCED NANOBIOMED RESEARCH 2022; 2:2200067. [PMID: 36249178 PMCID: PMC9538433 DOI: 10.1002/anbr.202200067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Revised: 07/03/2022] [Indexed: 01/09/2023] Open
Abstract
Due to the worldwide impact of viruses such as SARS‐CoV‐2, researchers have paid extensive attention to antiviral reagents against viruses. Despite extensive research on two‐dimensional (2D) transition metal carbides (MXenes) in the field of biomaterials, their antiviral effects have received little attention. In this work, heparan sulfate analogue (sodium 3‐mercapto‐1‐propanesulfonate, MPS) modified 2D MXene nanocomposites (Ti3C2‐Au‐MPS) for prevention of viral infection are prepared and investigated using severe acute respiratory syndrome coronavirus 2 (SARS‐CoV‐2) pseudovirus and porcine reproductive and respiratory syndrome virus (PRRSV) as two model viruses. Ti3C2‐Au‐MPS nanocomposites are shown to possess antiviral properties in the different stages of PRRSV proliferation, such as direct interaction with PRRS virions and inhibiting their adsorption and penetration in the host cell. Additionally, Ti3C2‐Au‐MPS nanocomposites can strongly inhibit the infection of SARS‐CoV‐2 pseudovirus as shown by the contents of its reporter gene GFP and luciferase. These results demonstrate the potential broad‐spectrum antiviral property of Ti3C2‐Au‐MPS nanocomposites against viruses with the receptor of heparin sulfate. This work sheds light on the specific antiviral effects of MXene‐based nanocomposites against viruses and may facilitate further exploration of their antiviral applications.
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Affiliation(s)
- Ting Tong
- College of Science College of Resource and Environment State Key Laboratory of Agricultural Microbiology Huazhong Agricultural University Wuhan 430070 P. R. China
| | - Wantao Tang
- College of Science College of Resource and Environment State Key Laboratory of Agricultural Microbiology Huazhong Agricultural University Wuhan 430070 P. R. China
| | - Shaobo Xiao
- College of Veterinary Medicine State Key Laboratory of Agricultural Microbiology Key Laboratory of Preventive Veterinary Medicine in Hubei Province Huazhong Agricultural University Wuhan 430070 P. R. China
| | - Jiangong Liang
- College of Science College of Resource and Environment State Key Laboratory of Agricultural Microbiology Huazhong Agricultural University Wuhan 430070 P. R. China
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Zhao W, Zhang Y, Cao B, Li Z, Sun C, Cao X, Cong S. Characteristics of Mussels-Derived Carbon Dots and Their Applications in Bio-Imaging and Detection of Riboflavin. Foods 2022; 11:foods11162451. [PMID: 36010453 PMCID: PMC9407624 DOI: 10.3390/foods11162451] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Revised: 07/25/2022] [Accepted: 08/09/2022] [Indexed: 11/29/2022] Open
Abstract
A simple and green strategy has been demonstrated for the synthesis of carbon dots (CDs) from mussels. The chemical structure and optical properties of mussels-derived CDs prepared at different reaction temperatures (140, 160, and 180 °C) were evaluated. The average size of synthesized fluorescent CDs decreased from 2.06 to 1.30 nm as reaction temperatures increased from 140 to 180 °C. The fluorescence quantum yield of CDs could reach up to 15.20%. The surface of CDs was rich in functional groups such as -OH, -NH2, and -COOH, providing CDs with good water solubility and biocompatibility. Furthermore, the mussel-derived CDs have been successfully applied in bio-imaging for onion endothelium cells, HepG2 cells, and zebrafish. In addition, CDs could be employed as a biosensor for riboflavin detection. Therefore, mussels are a promising carbon resource for preparing N-doped CDs for bio-imaging and monitoring riboflavin.
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Zhang M, Lu C, Su L, Long F, Yang X, Guo X, Song G, An T, Chen W, Chen J. Toosendanin activates caspase-1 and induces maturation of IL-1β to inhibit type 2 porcine reproductive and respiratory syndrome virus replication via an IFI16-dependent pathway. Vet Res 2022; 53:61. [PMID: 35906635 PMCID: PMC9334981 DOI: 10.1186/s13567-022-01077-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Accepted: 06/20/2022] [Indexed: 11/11/2022] Open
Abstract
Porcine reproductive and respiratory syndrome virus (PRRSV) is a prevalent and endemic swine pathogen which causes significant economic losses in the global swine industry. Multiple vaccines have been developed to prevent PRRSV infection. However, they provide limited protection. Moreover, no effective therapeutic drugs are yet available. Therefore, there is an urgent need to develop novel antiviral strategies to prevent PRRSV infection and transmission. Here we report that Toosendanin (TSN), a tetracyclic triterpene found in the bark or fruits of Melia toosendan Sieb. et Zucc., strongly suppressed type 2 PRRSV replication in vitro in Marc-145 cells and ex vivo in primary porcine alveolar macrophages (PAMs) at sub-micromolar concentrations. The results of transcriptomics revealed that TSN up-regulated the expression of IFI16 in Marc-145 cells. Furthermore, we found that IFI16 silencing enhanced the replication of PRRSV in Marc-145 cells and that the anti-PRRSV activity of TSN was dampened by IFI16 silencing, suggesting that the inhibition of TSN against PRRSV replication is IFI16-dependent. In addition, we showed that TSN activated caspase-1 and induced maturation of IL-1β in an IFI16-dependent pathway. To verify the role of IL-1β in PRRSV infection, we analyzed the effect of exogenous rmIL-1β on PRRSV replication, and the results showed that exogenous IL-1β significantly inhibited PRRSV replication in Marc-145 cells and PAMs in a dose-dependent manner. Altogether, our findings indicate that TSN significantly inhibits PRRSV replication at very low concentrations (EC50: 0.16–0.20 μM) and may provide opportunities for developing novel anti-PRRSV agents.
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Affiliation(s)
- Mingxin Zhang
- Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics Development and Safety Evaluation, College of Veterinary Medicine, South China Agricultural University, Guangzhou, 510642, China
| | - Chunni Lu
- Centre for Inflammatory Diseases, Department of Medicine, Monash Medical Centre, Monash University, Monash University, Clayton, VIC, 3168, Australia
| | - Lizhan Su
- Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics Development and Safety Evaluation, College of Veterinary Medicine, South China Agricultural University, Guangzhou, 510642, China
| | - Feixiang Long
- Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics Development and Safety Evaluation, College of Veterinary Medicine, South China Agricultural University, Guangzhou, 510642, China
| | - Xia Yang
- Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics Development and Safety Evaluation, College of Veterinary Medicine, South China Agricultural University, Guangzhou, 510642, China
| | - Xiaofeng Guo
- Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics Development and Safety Evaluation, College of Veterinary Medicine, South China Agricultural University, Guangzhou, 510642, China
| | - Gaopeng Song
- College of Materials and Energy, South China Agricultural University, Guangzhou, 510642, China
| | - Tongqing An
- State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin, 150069, China
| | - Weisan Chen
- Department of Biochemistry and Genetics, La Trobe Institute for Molecular Science, La Trobe University, Melbourne, VIC, 3086, Australia.
| | - Jianxin Chen
- Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics Development and Safety Evaluation, College of Veterinary Medicine, South China Agricultural University, Guangzhou, 510642, China.
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Mehta S, Suresh A, Nayak Y, Narayan R, Nayak UY. Hybrid nanostructures: Versatile systems for biomedical applications. Coord Chem Rev 2022. [DOI: 10.1016/j.ccr.2022.214482] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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44
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Nanotechnology Role Development for COVID-19 Pandemic Management. JOURNAL OF NANOTECHNOLOGY 2022. [DOI: 10.1155/2022/1872933] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
The global outbreak of coronavirus disease has sent an ominous message to the field of innovative and advanced technology research and development (COVID-19). To accomplish this, convectional technology and recent discoveries can be combined, or new research directions can be opened up using nanotechnology. Nanotechnology can be used to prevent, diagnose, and treat SARS-CoV-2 infection. As the pandemic spreads, a thorough examination of nanomaterials' role in pandemic response is highly desirable. According to this comprehensive review article, nanotechnology can be used to prevent, diagnose, and treat COVID-19. This research will be extremely useful during the COVID-19 outbreak in terms of developing rules for designing nanostructure materials to combat the outbreak.
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Song J, Kim JY, You G, Kang YY, Yang J, Mok H. Formulation of Glycyrrhizic Acid-based Nanocomplexes for Enhanced Anti-cancer and Anti-inflammatory Effects of Curcumin. BIOTECHNOL BIOPROC E 2022; 27:163-170. [PMID: 35530367 PMCID: PMC9059693 DOI: 10.1007/s12257-021-0198-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Revised: 09/07/2021] [Accepted: 09/12/2021] [Indexed: 12/04/2022]
Abstract
In this study, nanocomplexes composed of glycyrrhizic acid (GA) derived from the root of the licorice plant (Glycyrrhiza glabra) were formulated for the delivery of curcumin (CUR). Sonication of amphiphilic GA solution with hydrophobic CUR resulted in the production of nanosized complexes with a size of 164.8 ± 51.7 nm, which greatly enhanced the solubility of CUR in aqueous solution. A majority of the CURs were released from these GA/ CUR nanocomplexes within 12 h. GA/CUR nanocomplexes exhibited excellent intracellular uptake in human breast cancer cells (Michigan cancer foundation-7/multi-drug resistant cells), indicating enhanced anti-cancer effects compared to that of free CUR. In addition, GA/CUR nanocomplexes demonstrated high intracellular uptake into macrophages (RAW264.7 cells), consequently reducing the release of the pro-inflammatory cytokine tumor necrosis factor-α. Furthermore, GA/CUR nanocomplexes successfully reduced the levels of serum pro-inflammatory cytokines and splenomegaly in a rheumatoid arthritis model.
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Affiliation(s)
- Jihyeon Song
- Department of Bioscience and Biotechnology, Konkuk University, Seoul, 05029 Korea
| | - Jun Yeong Kim
- Department of Bioscience and Biotechnology, Konkuk University, Seoul, 05029 Korea
| | - Gayeon You
- Department of Bioscience and Biotechnology, Konkuk University, Seoul, 05029 Korea
| | - Yoon Young Kang
- Department of Bioscience and Biotechnology, Konkuk University, Seoul, 05029 Korea
| | - Jiwon Yang
- Department of Bioscience and Biotechnology, Konkuk University, Seoul, 05029 Korea
| | - Hyejung Mok
- Department of Bioscience and Biotechnology, Konkuk University, Seoul, 05029 Korea
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Alesci A, Aragona M, Cicero N, Lauriano ER. Can nutraceuticals assist treatment and improve covid-19 symptoms? Nat Prod Res 2022; 36:2672-2691. [PMID: 33949266 DOI: 10.1080/14786419.2021.1914032] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Viral diseases have always played an important role in public and individual health. Since December 2019, the world is facing a pandemic of SARS-CoV-2, a coronavirus that results in a syndrome known as COVID-19. Several studies were conducted to implement antiviral drug therapy, until the arrival of SARS-CoV-2 vaccines. Numerous scientific investigations have considered some nutraceuticals as an additional treatment of COVID-19 patients to improve their clinical picture. In this review, we would like to emphasize the studies conducted to date about this issue and try to understand whether the use of nutraceuticals as a supplementary therapy to COVID-19 may be a valid and viable avenue. Based on the results obtained so far, quercetin, astaxanthin, luteolin, glycyrrhizin, lactoferrin, hesperidin and curcumin have shown encouraging data suggesting their use to prevent and counteract the symptoms of this pandemic infection.
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Affiliation(s)
- Alessio Alesci
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina, Italy
| | - Marialuisa Aragona
- Department of Veterinary Sciences, University of Messina, Messina, Italy
| | - Nicola Cicero
- Department of Biomedical and Dental Science and Morphofunctional Imaging, University of Messina, Messina, Italy
| | - Eugenia Rita Lauriano
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina, Italy
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47
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Lin HY, Zeng YT, Lin CJ, Harroun SG, Anand A, Chang L, Wu CJ, Lin HJ, Huang CC. Partial carbonization of quercetin boosts the antiviral activity against H1N1 influenza A virus. J Colloid Interface Sci 2022; 622:481-493. [PMID: 35525149 DOI: 10.1016/j.jcis.2022.04.124] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Revised: 04/19/2022] [Accepted: 04/21/2022] [Indexed: 11/19/2022]
Abstract
Inflenza A viruses (IAVs) are highly transmissible and pathogenic Orthomyxoviruses, which have led to worldwide outbreaks and seasonal pandemics of acute respiratory diseases, causing serious threats to public health. Currently used anti-influenza drugs may cause neurological side effects, and they are increasingly less effective against mutant strains. To help prevent the spread of IAVs, in this work, we have developed quercetin-derived carbonized nanogels (CNGsQur) that display potent viral inhibitory, antioxidative, and anti-inflammatory activities. The antiviral CNGsQur were synthesized by mild carbonization of quercetin (Qur), which successfully preserved their antioxidative and anti-inflammatory properties while also contributed enhanced properties, such as water solubility, viral binding, and biocompatibility. Antiviral assays of co-treatment, pre-treatment, and post-treatment indicate that CNGsQur interacts with the virion, revealing that the major antiviral mechanism resulting in the inhibition of the virus is by their attachment on the cell surface. Among them, the selectivity index (SI) of CNGsQur270 (>857.1) clearly indicated its great potential for clinical application in IAVs inhibition, which was much higher than that of pristine quercetin (63.7) and other clinical drugs (4-81). Compared with quercetin at the same dose, the combined effects of viral inhibition, antioxidative and anti-inflammatory activities impart the superior therapeutic effects of CNGsQur270 aerosol inhalation in the treatment of IAVs infection, as evidenced by a mouse model. These CNGsQur effectively prevent the spread of IAVs and suppress virus-induced inflammation while also exhibiting good in vivo biocompatibility. CNGsQur shows much promise as a clinical therapeutic agent against infection by IVAs.
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Affiliation(s)
- Hung-Yun Lin
- Department of Bioscience and Biotechnology, National Taiwan Ocean University, Keelung 202301, Taiwan
| | - Yu-Ting Zeng
- Department of Food Science, National Taiwan Ocean University, Keelung 202301, Taiwan
| | - Chin-Jung Lin
- Department of Bioscience and Biotechnology, National Taiwan Ocean University, Keelung 202301, Taiwan
| | - Scott G Harroun
- Department of Chemistry, Université de Montréal, Montréal, Québec H3C 3J7, Canada
| | - Anisha Anand
- Department of Bioscience and Biotechnology, National Taiwan Ocean University, Keelung 202301, Taiwan
| | - Lung Chang
- Department of Pediatrics, Nursing and Management, Mackay Memorial Hospital and Mackay Junior College of Medicine, Taipei 10449, Taiwan
| | - Chang-Jer Wu
- Department of Food Science, National Taiwan Ocean University, Keelung 202301, Taiwan; Center of Excellence for the Oceans, National Taiwan Ocean University, Keelung 202301, Taiwan; Department of Health and Nutrition Biotechnology, Asia University, Taichung 41354, Taiwan; Graduate Institute of Medicine, Kaohsiung Medical University, Kaohsiung 80708, Taiwan.
| | - Han-Jia Lin
- Department of Bioscience and Biotechnology, National Taiwan Ocean University, Keelung 202301, Taiwan; Center of Excellence for the Oceans, National Taiwan Ocean University, Keelung 202301, Taiwan
| | - Chih-Ching Huang
- Department of Bioscience and Biotechnology, National Taiwan Ocean University, Keelung 202301, Taiwan; Center of Excellence for the Oceans, National Taiwan Ocean University, Keelung 202301, Taiwan; School of Pharmacy, College of Pharmacy, Kaohsiung Medical University, Kaohsiung 80708, Taiwan.
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48
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Development of antiviral carbon quantum dots that target the Japanese encephalitis virus envelope protein. J Biol Chem 2022; 298:101957. [PMID: 35452675 PMCID: PMC9123278 DOI: 10.1016/j.jbc.2022.101957] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2022] [Revised: 04/06/2022] [Accepted: 04/07/2022] [Indexed: 12/23/2022] Open
Abstract
Japanese encephalitis is a mosquito-borne disease caused by the Japanese encephalitis virus (JEV) that is prevalent in Asia and the Western Pacific. Currently, there is no effective treatment for Japanese encephalitis. Curcumin (Cur) is a compound extracted from the roots of Curcuma longa, and many studies have reported its antiviral and anti-inflammatory activities. However, the high cytotoxicity and very low solubility of Cur limit its biomedical applications. In this study, Cur carbon quantum dots (Cur-CQDs) were synthesized by mild pyrolysis-induced polymerization and carbonization, leading to higher water solubility and lower cytotoxicity, as well as superior antiviral activity against JEV infection. We found that Cur-CQDs effectively bound to the E protein of JEV, preventing viral entry into the host cells. In addition, after continued treatment of JEV with Cur-CQDs, a mutant strain of JEV was evolved that did not support binding of Cur-CQDs to the JEV envelope. Using transmission electron microscopy, biolayer interferometry, and molecular docking analysis, we revealed that the S123R and K312R mutations in the E protein play a key role in binding Cur-CQDs. The S123 and K312 residues are located in structural domains II and III of the E protein, respectively, and are responsible for binding to receptors on and fusing with the cell membrane. Taken together, our results suggest that the E protein of flaviviruses represents a potential target for the development of CQD-based inhibitors to prevent or treat viral infections.
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49
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Xue Y, Liu C, Andrews G, Wang J, Ge Y. Recent advances in carbon quantum dots for virus detection, as well as inhibition and treatment of viral infection. NANO CONVERGENCE 2022; 9:15. [PMID: 35366117 PMCID: PMC8976173 DOI: 10.1186/s40580-022-00307-9] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Accepted: 03/17/2022] [Indexed: 05/28/2023]
Abstract
In the last decade, carbon quantum dots (CQDs), as a novel class of carbon-based nanomaterials, have received increasing attention due to their distinct properties. CQDs are ultimately small nanoparticles with an average size below 10 nm, possessing high water solubility, alluring photoluminescence, photostability, excellent biocompatibility, low/none toxicity, environmental friendliness, and high sustainability, etc. In history, there are intermittent threats from viruses to humans, animals and plants worldwide, resulting in enormous crises and impacts on our life, environment, economy and society. Some recent studies have unveiled that certain types of CQDs exhibited high and potent antiviral activities against various viruses such as human coronavirus, arterivirus, norovirus and herpesvirus. Moreover, they have been successfully explored and developed for different virus detections including severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). This article exclusively overviews and discusses the recent progress of designing, synthesizing, modifying/functionalizing and developing CQDs towards effective virus detection as well as the inhibition and treatment of viral infection. Their mechanisms and applications against various pathogenic viruses are addressed. The latest outcomes for combating the coronavirus disease 2019 (COVID-19) utilizing CQDs are also highlighted. It can be envisaged that CQDs could further benefit the development of virus detectors and antiviral agents with added broad-spectrum activity and cost-effective production.
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Affiliation(s)
- Yuxiang Xue
- Institute for Bioengineering, School of Engineering, University of Edinburgh, Edinburgh, EH9 3HL, UK
| | - Chenchen Liu
- Department of Metabolism, Digestion and Reproductive, Faculty of Medicine, Imperial College London, London, SW7 2AZ, UK
| | - Gavin Andrews
- School of Pharmacy, Queen's University Belfast, Belfast, BT9 7BL, UK
| | - Jinyan Wang
- College of Basic Medical Science, China Medical University, Shenyang, 110122, China
| | - Yi Ge
- School of Pharmacy, Queen's University Belfast, Belfast, BT9 7BL, UK.
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50
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Fu F, Pan X, Huang R, Luo L, Huang F, Li W, Zhang H, Zheng M, Lei B. Immunoregulatory Activity of Herbal Tea-Derived Carbon Dots. ACS APPLIED BIO MATERIALS 2022; 5:1604-1609. [PMID: 35275634 DOI: 10.1021/acsabm.2c00016] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
The activation of immune cells by immunoregulatory active substances can improve the body immunity. Carbon dots (CDs) with immunoregulatory activity are rarely reported. In this study, transmission electron microscopy results demonstrate the existence of CDs in herbal tea, while Fourier transform infrared and X-ray photoelectron spectroscopy results suggest the participation of polyphenol in herbal tea CD (H-CD) formation. The photoluminescence spectrum has shown that H-CDs have fluorescence emission at 565 nm and exhibit an excitation-dependent property. The toxicity and immunostimulatory activity of H-CDs on mouse macrophage RAW264.7 suggested that H-CDs had no toxicity to RAW264.7 cells. Meanwhile, compared with herbal tea, H-CDs have more obvious effect of promoting the expression of cyclooxygenase-2 (COX-2) and inducible nitric oxide synthase. In addition, the secretion of nitric oxide (NO) was promoted by H-CDs. This work suggests that H-CDs have stronger immunoregulatory function than that of original herbal tea, which provides a direction for the application of phenolic hydroxyl-modified CDs in the biomedical field.
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Affiliation(s)
- Fangmei Fu
- Key Laboratory for Biobased Materials and Energy of Ministry of Education, College of Materials and Energy, South China Agricultural University, Guangzhou 510642, P. R. China
| | - Xiaoqin Pan
- Key Laboratory for Biobased Materials and Energy of Ministry of Education, College of Materials and Energy, South China Agricultural University, Guangzhou 510642, P. R. China
| | - Riming Huang
- College of Food Science, South China Agricultural University, Guangzhou 510642, P. R. China
| | - Lianxiang Luo
- The Marine Biomedical Research Institute of Guangdong Zhanjiang, Guangdong Medical University, Zhanjiang 524023, P. R. China
| | - Fanfan Huang
- The Marine Biomedical Research Institute of Guangdong Zhanjiang, Guangdong Medical University, Zhanjiang 524023, P. R. China
| | - Wei Li
- Key Laboratory for Biobased Materials and Energy of Ministry of Education, College of Materials and Energy, South China Agricultural University, Guangzhou 510642, P. R. China.,Maoming Branch, Guangdong Laboratory for Lingnan Modern Agriculture, Maoming, Guangdong 525100, P. R. China
| | - Haoran Zhang
- Key Laboratory for Biobased Materials and Energy of Ministry of Education, College of Materials and Energy, South China Agricultural University, Guangzhou 510642, P. R. China.,Maoming Branch, Guangdong Laboratory for Lingnan Modern Agriculture, Maoming, Guangdong 525100, P. R. China
| | - Mingtao Zheng
- Key Laboratory for Biobased Materials and Energy of Ministry of Education, College of Materials and Energy, South China Agricultural University, Guangzhou 510642, P. R. China.,Maoming Branch, Guangdong Laboratory for Lingnan Modern Agriculture, Maoming, Guangdong 525100, P. R. China
| | - Bingfu Lei
- Key Laboratory for Biobased Materials and Energy of Ministry of Education, College of Materials and Energy, South China Agricultural University, Guangzhou 510642, P. R. China.,Maoming Branch, Guangdong Laboratory for Lingnan Modern Agriculture, Maoming, Guangdong 525100, P. R. China
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