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Cheng XJ, Cheng N, Yang C, Li XL, Sun JY, Sun YF. Emergence and Etiological Characteristics of Novel Genotype Ⅱ Pseudorabies Virus Variant with High Pathogenicity in Tianjin, China. Microb Pathog 2024; 197:107061. [PMID: 39442822 DOI: 10.1016/j.micpath.2024.107061] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2024] [Revised: 09/11/2024] [Accepted: 10/20/2024] [Indexed: 10/25/2024]
Abstract
Pseudorabies (PR) is a highly infectious disease caused by pseudorabies virus (PRV). This study aimed to detect and identify recent outbreaks of genotype Ⅱ PRV, and further analysis it's etiological characteristics and pathogenicity. The brain tissues with suspected PRV infection were isolated and the main virulence-related genes of the isolated PRV strain were amplified and sequenced for phylogenetic analysis. In addition, the pathogenicity of the isolated PRV strain to 6-week-old mice and 9-days-old suckling piglets were evaluated. The results showed that a PRV strain was successfully isolated and named PRV TJbd2023 strain, which could proliferate in PK-15 cells and TCID50 of the 6th generation virus reached 107.57/0.1ml. Phylogenetic trees and amino acids analysis were constructed based on full-length gE sequences, which showed that PRV TJbd2023 strain was clustered into genetype Ⅱ PRV variant with a characteristic 21-nucleotide insertion (encoding 63AASTPAA69) in gC gene, and some amino acid point mutations were also found in other virulence- related genes, including gB protein R223H and E836K, gD protein R320S, and gE protein T242A. Animal experiments showed that TJbd2023 could cause acute neurological symptoms with 103.41/mL LD50 on KM mice, and intranasal inoculation of suckling piglets with 2 ml of TJbd2023 strain(106.57/0.1ml) led to a mortality rate of 66.70%. Emerging genotype Ⅱ PRV variant such as isolated in our research named TJbd2023 with high pathogenicity might be responsible for recent outbreaks of PRV and immunization failure of Bartha-K61 vaccine in Tianjin, China.
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Affiliation(s)
- Xue-Jiao Cheng
- College of Animal Science and Veterinary Medicine, Tianjin Agricultural University, Tianjin, 300384, China; Tianjin Zhongsheng Challenge Biotechnology Co., Ltd, Tianjin,300380, China
| | - Ning Cheng
- College of Animal Science and Veterinary Medicine, Tianjin Agricultural University, Tianjin, 300384, China; Tianjin Zhongsheng Challenge Biotechnology Co., Ltd, Tianjin,300380, China
| | - Cheng Yang
- College of Animal Science and Veterinary Medicine, Tianjin Agricultural University, Tianjin, 300384, China
| | - Xin-Lei Li
- College of Animal Science and Veterinary Medicine, Tianjin Agricultural University, Tianjin, 300384, China
| | - Jiu-Ying Sun
- College of Animal Science and Veterinary Medicine, Tianjin Agricultural University, Tianjin, 300384, China; Tianjin Zhongsheng Challenge Biotechnology Co., Ltd, Tianjin,300380, China
| | - Ying-Feng Sun
- College of Animal Science and Veterinary Medicine, Tianjin Agricultural University, Tianjin, 300384, China.
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Deng H, Deng Y, Song T, Pang L, Zhu S, Ren Z, Guo H, Xu Z, Zhu L, Geng Y, Ouyang P, He R, Deng J. Evaluation of the activity and mechanisms of oregano essential oil against PRV in vivo and in vitro. Microb Pathog 2024; 194:106791. [PMID: 39019121 DOI: 10.1016/j.micpath.2024.106791] [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: 01/05/2024] [Revised: 07/09/2024] [Accepted: 07/11/2024] [Indexed: 07/19/2024]
Abstract
BACKGROUND The Pseudorabies Virus (PRV) leading to pseudorabies and causes huge economic losses in pig industry. The development of novel PRV variations has diminished the efficacy of traditional vaccinations, and there is yet no medication that can stop the spread of PRV infection. Therefore, PRV eradication is challenging. Oregano essential oil, the plant-based ingredient for medication feed have been shown to has strong anti-herpesvirus activity, but no anti-PRV function has been reported. RESULTS The current study assessed the anti-pseudorabies virus (PRV) activity of oregano essential oil and explored its mechanisms and most effective components against PRV. Our in vivo findings demonstrated that oregano essential oil could decrease the PRV load in tissues, mitigate tissue lesions, and enhance the survival rate of mice. The potential antiviral mechanism involves augmenting humoral and cellular immune responses in PRV-infected mice. To further investigate the most effective components of oregano essential oil against PRV, an in vitro study was conducted, revealing that oregano essential oil and its main constituents, carvacrol and thymol, all diminished PRV intracellular proliferation in vitro. Carvacrol exhibited the most potent anti-PRV effect, serving as the primary contributor to oregano essential oil's anti-PRV activity. The mechanisms underlying carvacrol's anti-PRV properties include the upregulation of cytokines TNF-α, IFN-β, IFN-γ, IL-12, and the inhibition of PRV-induced apoptosis in BHK-21 cells. CONCLUSIONS Our study provides an effective drug for the prevention and control of PRV infection.
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Affiliation(s)
- Huidan Deng
- College of Veterinary Medicine, Sichuan Agricultural University, Wenjiang, Chengdu, 611130, China
| | - Youtian Deng
- College of Food Science, Sichuan Agriculture University, Yaan, Sichuan, 625014, China
| | - Tianhao Song
- College of Veterinary Medicine, Sichuan Agricultural University, Wenjiang, Chengdu, 611130, China
| | - Lianfeng Pang
- College of Veterinary Medicine, Sichuan Agricultural University, Wenjiang, Chengdu, 611130, China
| | - Song Zhu
- College of Veterinary Medicine, Sichuan Agricultural University, Wenjiang, Chengdu, 611130, China
| | - Zhihua Ren
- College of Veterinary Medicine, Sichuan Agricultural University, Wenjiang, Chengdu, 611130, China
| | - Hongrui Guo
- College of Veterinary Medicine, Sichuan Agricultural University, Wenjiang, Chengdu, 611130, China
| | - Zhiwen Xu
- College of Veterinary Medicine, Sichuan Agricultural University, Wenjiang, Chengdu, 611130, China
| | - Ling Zhu
- College of Veterinary Medicine, Sichuan Agricultural University, Wenjiang, Chengdu, 611130, China
| | - Yi Geng
- College of Veterinary Medicine, Sichuan Agricultural University, Wenjiang, Chengdu, 611130, China
| | - Ping Ouyang
- College of Veterinary Medicine, Sichuan Agricultural University, Wenjiang, Chengdu, 611130, China
| | - Ran He
- College of Veterinary Medicine, Sichuan Agricultural University, Wenjiang, Chengdu, 611130, China
| | - Junliang Deng
- College of Veterinary Medicine, Sichuan Agricultural University, Wenjiang, Chengdu, 611130, China; Key Laboratory of Animal Diseases and Environmental Hazards of Sichuan Province, Sichuan Agriculture University, Wenjiang, Chengdu, 611130, China.
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Tang R, Lin L, Liu Y, Li H. Bibliometric and visual analysis of global publications on kaempferol. Front Nutr 2024; 11:1442574. [PMID: 39221164 PMCID: PMC11362042 DOI: 10.3389/fnut.2024.1442574] [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: 06/02/2024] [Accepted: 08/06/2024] [Indexed: 09/04/2024] Open
Abstract
Introduction Kaempferol, a flavonoid found in numerous foods and medicinal plants, offers a range of health benefits such as anti-inflammatory, antioxidant, antiviral, anticancer, cardioprotective, and neuroprotective effects. Methods Herein, a bibliometric and visual analysis of global publications on kaempferol was performed to map the evolution of frontiers and hotspots in the field. Using the search string TS = kaempferol, bibliometric data for this analysis was extracted from the Web of Science Core Collection database and analyzed using the VOSviewer, CiteSpace, and Scimago Graphica software. Results As a result, by February 26, 2024, 11,214 publications were identified, comprising articles (n = 10,746, 96%) and review articles (n = 468, 4%). Globally, the annual number of kaempferol publications surpassed 100 per year since 2000, exceeded 500 per year since 2018, and further crossed the threshold of 1,000 per year starting in 2022. The major contributing countries were China, the United States of America, and India, while the top three institutes of the citations of kaempferol were the Chinese Academy of Sciences, Consejo Superio de Investigaciones Cientficas, and Uniersidade do Porto. These publications were mainly published in agricultural and food chemistry journals, food chemistry, and phytochemistry. Discussion The keywords frequently mentioned include phenolic compounds, antioxidant activity, flavonoids, NF-kappa B, inflammation, bioactive compounds, etc. Anti-inflammation, anti-oxidation, and anti-cancer have consistently been the focus of kaempferol research, while cardiovascular protection, neuroprotection, antiviral, and anti-bacterial effects have emerged as recent highlights. The field of kaempferol research is thriving.
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Affiliation(s)
- Ruying Tang
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China
| | - Longfei Lin
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China
| | - Yuling Liu
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China
| | - Hui Li
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China
- Institute of Traditional Chinese Medicine Health Industry, China Academy of Chinese Medical Sciences, Nanchang, China
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Guo H, Liu Q, Yang D, Zhang H, Kuang Y, Li Y, Chen H, Wang X. Brincidofovir Effectively Inhibits Proliferation of Pseudorabies Virus by Disrupting Viral Replication. Viruses 2024; 16:464. [PMID: 38543829 PMCID: PMC10975951 DOI: 10.3390/v16030464] [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: 02/05/2024] [Revised: 03/11/2024] [Accepted: 03/11/2024] [Indexed: 05/23/2024] Open
Abstract
Pseudorabies is an acute and febrile infectious disease caused by pseudorabies virus (PRV), a member of the family Herpesviridae. Currently, PRV is predominantly endemoepidemic and has caused significant economic losses among domestic pigs. Other animals have been proven to be susceptible to PRV, with a mortality rate of 100%. In addition, 30 human cases of PRV infection have been reported in China since 2017, and all patients have shown severe neurological symptoms and eventually died or developed various neurological sequelae. In these cases, broad-spectrum anti-herpesvirus drugs and integrated treatments were mostly applied. However, the inhibitory effect of the commonly used anti-herpesvirus drugs (e.g., acyclovir, etc.) against PRV were evaluated and found to be limited in this study. It is therefore urgent and important to develop drugs that are clinically effective against PRV infection. Here, we constructed a high-throughput method for screening antiviral drugs based on fluorescence-tagged PRV strains and multi-modal microplate readers that detect fluorescence intensity to account for virus proliferation. A total of 2104 small molecule drugs approved by the U.S. Food and Drug Administration (FDA) were studied and validated by applying this screening model, and 104 drugs providing more than 75% inhibition of fluorescence intensity were selected. Furthermore, 10 drugs that could significantly inhibit PRV proliferation in vitro were strictly identified based on their cytopathic effects, virus titer, and viral gene expression, etc. Based on the determined 50% cytotoxic concentration (CC50) and 50% inhibitory concentration (IC50), the selectivity index (SI) was calculated to be 26.3-3937.2 for these 10 drugs, indicating excellent drugability. The antiviral effects of the 10 drugs were then assessed in a mouse model. It was found that 10 mg/kg brincidofovir administered continuously for 5 days provided 100% protection in mice challenged with lethal doses of the human-origin PRV strain hSD-1/2019. Brincidofovir significantly attenuated symptoms and pathological changes in infected mice. Additionally, time-of-addition experiments confirmed that brincidofovir inhibited the proliferation of PRV mainly by interfering with the viral replication stage. Therefore, this study confirms that brincidofovir can significantly inhibit PRV both in vitro and in vivo and is expected to be an effective drug candidate for the clinical treatment of PRV infections.
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Affiliation(s)
- Huihui Guo
- National Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China; (H.G.); (Q.L.); (D.Y.); (H.Z.); (Y.K.); (Y.L.); (H.C.)
- Key Laboratory of Preventive Veterinary Medicine in Hubei Province, The Cooperative Innovation Center for Sustainable Pig Production, Huazhong Agricultural University, Wuhan 430070, China
| | - Qingyun Liu
- National Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China; (H.G.); (Q.L.); (D.Y.); (H.Z.); (Y.K.); (Y.L.); (H.C.)
- Key Laboratory of Preventive Veterinary Medicine in Hubei Province, The Cooperative Innovation Center for Sustainable Pig Production, Huazhong Agricultural University, Wuhan 430070, China
| | - Dan Yang
- National Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China; (H.G.); (Q.L.); (D.Y.); (H.Z.); (Y.K.); (Y.L.); (H.C.)
- Key Laboratory of Preventive Veterinary Medicine in Hubei Province, The Cooperative Innovation Center for Sustainable Pig Production, Huazhong Agricultural University, Wuhan 430070, China
| | - Hao Zhang
- National Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China; (H.G.); (Q.L.); (D.Y.); (H.Z.); (Y.K.); (Y.L.); (H.C.)
- Key Laboratory of Preventive Veterinary Medicine in Hubei Province, The Cooperative Innovation Center for Sustainable Pig Production, Huazhong Agricultural University, Wuhan 430070, China
| | - Yan Kuang
- National Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China; (H.G.); (Q.L.); (D.Y.); (H.Z.); (Y.K.); (Y.L.); (H.C.)
- Key Laboratory of Preventive Veterinary Medicine in Hubei Province, The Cooperative Innovation Center for Sustainable Pig Production, Huazhong Agricultural University, Wuhan 430070, China
| | - Yafei Li
- National Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China; (H.G.); (Q.L.); (D.Y.); (H.Z.); (Y.K.); (Y.L.); (H.C.)
- Key Laboratory of Preventive Veterinary Medicine in Hubei Province, The Cooperative Innovation Center for Sustainable Pig Production, Huazhong Agricultural University, Wuhan 430070, China
| | - Huanchun Chen
- National Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China; (H.G.); (Q.L.); (D.Y.); (H.Z.); (Y.K.); (Y.L.); (H.C.)
- Key Laboratory of Preventive Veterinary Medicine in Hubei Province, The Cooperative Innovation Center for Sustainable Pig Production, Huazhong Agricultural University, Wuhan 430070, China
- Frontiers Science Center for Animal Breeding and Sustainable Production, Huazhong Agricultural University, Wuhan 430070, China
- International Research Center for Animal Disease, Ministry of Science and Technology of China, Wuhan 430070, China
| | - Xiangru Wang
- National Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China; (H.G.); (Q.L.); (D.Y.); (H.Z.); (Y.K.); (Y.L.); (H.C.)
- Key Laboratory of Preventive Veterinary Medicine in Hubei Province, The Cooperative Innovation Center for Sustainable Pig Production, Huazhong Agricultural University, Wuhan 430070, China
- Frontiers Science Center for Animal Breeding and Sustainable Production, Huazhong Agricultural University, Wuhan 430070, China
- International Research Center for Animal Disease, Ministry of Science and Technology of China, Wuhan 430070, China
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Pourhajibagher M, Bahador A. Bioinformatics analysis of photoexcited natural flavonoid glycosides as the inhibitors for oropharyngeal HPV oncoproteins. AMB Express 2024; 14:29. [PMID: 38466452 DOI: 10.1186/s13568-024-01684-6] [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: 12/07/2023] [Accepted: 03/01/2024] [Indexed: 03/13/2024] Open
Abstract
The presence of oropharyngeal human papillomavirus (HPV)-18 E6 and E7 oncoproteins is highly significant in the progression of oropharyngeal cancer. Natural flavonoid compounds have potential as photosensitizers for light-activated antimicrobial therapy against HPV-associated oropharyngeal cancer. This study evaluated five natural flavonoid glycosides including Fisetin, Kaempferol, Morin, Myricetin, and Quercetin as photosensitizers against HPV-18 E6 and E7 oncoproteins using computational methods. After obtaining the amino acid sequences of HPV-18 E6 and E7, various tools were used to predict and verify their properties. The PubChem database was then examined to identify potential natural flavonoid glycosides, followed by predictions of their drug-likeness and ADMET properties. Subsequently, molecular docking was conducted to enhance the screening accuracy and to gain insights into the interactions between the natural compounds and the active sites of HPV-18 E6 and E7 oncoproteins. The protein structures of E6 and E7 were predicted and validated to be reliable. The results of molecular docking demonstrated that Kaempferol exhibited the highest binding affinity to both E6 and E7. All compounds satisfied Lipinski's rules of drug-likeness, except Myricetin. They showed high absorption, distribution volume and similar ADMET profiles with no toxicity. In summary, natural flavonoid glycosides, especially Kaempferol, show potential as photosensitizers for antimicrobial photodynamic therapy against HPV-associated oropharyngeal cancer through inhibition of E6 and E7 oncoproteins. These findings provide insights into the development of novel therapeutic strategies based on antimicrobial photodynamic therapy.
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Affiliation(s)
- Maryam Pourhajibagher
- Dental Research Center, Dentistry Research Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Abbas Bahador
- Department of Microbiology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran.
- Fellowship in Clinical Laboratory Sciences, BioHealth Lab, Tehran, Iran.
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Song C, Ye H, Zhang X, Zhang Y, Li Y, Yao J, Gao L, Wang S, Yu Y, Shu X. Isolation and Characterization of Yunnan Variants of the Pseudorabies Virus and Their Pathogenicity in Rats. Viruses 2024; 16:233. [PMID: 38400009 PMCID: PMC10891970 DOI: 10.3390/v16020233] [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: 11/07/2023] [Revised: 01/24/2024] [Accepted: 01/30/2024] [Indexed: 02/25/2024] Open
Abstract
Porcine pseudorabies has long existed in China and is a serious threat to the Chinese farming industry. To understand the prevalence and genetic variation of the porcine pseudorabies virus (PRV) and its pathogenicity in Yunnan Province, China, we collected 560 serum samples across seven Yunnan Province regions from 2020 to 2021 and detected anti-gE antibodies in these samples. Sixty-one clinical tissue samples were also collected from pigs with suspected PRV that were vaccinated with Bartha-K61. PRV-gE antibodies were found in 29.6% (166/560) of the serum samples. The PRV positivity rate in clinical tissue samples was 13.1% (8/61). Two isolates, PRV-KM and PRV-QJ, were obtained. The identity of the gB, gD, and gE genes between these isolates and the Chinese mutants exceeded 99.5%. These isolates and the classical Fa strain were used to infect 4-week-old rats intranasally to assess their pathogenicity. All infected rats showed the typical clinical and pathological features of PRV two days post-infection. The viral loads in the organs differed significantly among the infected groups. Viruses were detected in the saliva and feces at 12 h. Significant dynamic changes in total white blood cell counts (WBC), lymphocyte counts (Lym), and neutrophil counts (Gran) occurred in the blood of the infected groups at 24 and 48 h. These results show that mutant PRV strains are prevalent in Bartha-K61-vaccinated pigs in Yunnan Province, China. Moreover, rats shed PRV in their saliva and feces during early infection, indicating the need for rodent control in combatting PRV infections in Yunnan Province, China.
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Affiliation(s)
- Chunlian Song
- College of Animal Medicine, Yunnan Agricultural University, Kunming 650201, China; (C.S.); (H.Y.); (X.Z.); (Y.Z.); (Y.L.)
| | - Hua Ye
- College of Animal Medicine, Yunnan Agricultural University, Kunming 650201, China; (C.S.); (H.Y.); (X.Z.); (Y.Z.); (Y.L.)
| | - Xue Zhang
- College of Animal Medicine, Yunnan Agricultural University, Kunming 650201, China; (C.S.); (H.Y.); (X.Z.); (Y.Z.); (Y.L.)
| | - Yalun Zhang
- College of Animal Medicine, Yunnan Agricultural University, Kunming 650201, China; (C.S.); (H.Y.); (X.Z.); (Y.Z.); (Y.L.)
| | - Yonghui Li
- College of Animal Medicine, Yunnan Agricultural University, Kunming 650201, China; (C.S.); (H.Y.); (X.Z.); (Y.Z.); (Y.L.)
| | - Jun Yao
- Yunnan Tropical and Subtropical Animal Virus Diseases Laboratory, Yunnan Animal Science & Veterinary Institute, Kunming 650224, China; (J.Y.); (L.G.)
| | - Lin Gao
- Yunnan Tropical and Subtropical Animal Virus Diseases Laboratory, Yunnan Animal Science & Veterinary Institute, Kunming 650224, China; (J.Y.); (L.G.)
| | - Shanqiang Wang
- Weixin County Animal Husbandry Technology Extension Station, Zhaotong 657000, China;
| | - Yougeng Yu
- Animal Disease Prevention and Control Center of Weixin County, Zhaotong 657000, China;
| | - Xianghua Shu
- College of Animal Medicine, Yunnan Agricultural University, Kunming 650201, China; (C.S.); (H.Y.); (X.Z.); (Y.Z.); (Y.L.)
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He W, Zhang J, Ju J, Wu Y, Zhang Y, Zhan L, Li C, Wang Y. Preparation, characterization, and evaluation of the antitumor effect of kaempferol nanosuspensions. Drug Deliv Transl Res 2023; 13:2885-2902. [PMID: 37149557 DOI: 10.1007/s13346-023-01357-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/21/2023] [Indexed: 05/08/2023]
Abstract
Kaempferol (KAE) is a naturally occurring flavonoid compound with antitumor activity. However, the low aqueous solubility, poor chemical stability, and suboptimal bioavailability greatly restrict its clinical application in cancer therapy. To address the aforementioned limitations and augment the antitumor efficacy of KAE, we developed a kaempferol nanosuspensions (KAE-NSps) utilizing D-α-tocopherol polyethylene glycol 1000 succinate (TPGS) as a stabilizing agent, screened the optimal preparation process, and conducted a comprehensive investigation of their fundamental properties as well as the antitumor effects in the study. The findings indicated that the particle size was 186.6 ± 2.6 nm of the TPGS-KAE-NSps optimized, the shape of which was fusiform under the transmission electron microscope. The 2% (w/v) glucose was used as the cryoprotectant for TPGS-KAE-NSps, whose drug loading content was 70.31 ± 2.11%, and the solubility was prominently improved compared to KAE. The stability and biocompatibility of TPGS-KAE-NSps were favorable and had a certain sustained release effect. Moreover, TPGS-KAE-NSps clearly seen to be taken in the cytoplasm exhibited a stronger cytotoxicity and suppression of cell migration, along with increased intracellular ROS production and higher apoptosis rates compared to KAE in vitro cell experiments. In addition, TPGS-KAE-NSps had a longer duration of action in mice, significantly improved bioavailability, and showed a stronger inhibition of tumor growth (the tumor inhibition rate of high dose intravenous injection group was 68.9 ± 1.46%) than KAE with no obvious toxicity in 4T1 tumor-bearing mice. Overall, TPGS-KAE-NSps prepared notably improved the defect and the antitumor effects of KAE, making it a promising nanodrug delivery system for KAE with potential applications as a clinical antitumor drug.
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Affiliation(s)
- Wen He
- Institution of Nanochemistry and Nanobiology, School of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, China
- School of Medicine, Shanghai University, Shanghai, 200444, China
| | - Junfeng Zhang
- Institution of Nanochemistry and Nanobiology, School of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, China
| | - Jiale Ju
- School of Medicine, Shanghai University, Shanghai, 200444, China
| | - Yinghua Wu
- Institution of Nanochemistry and Nanobiology, School of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, China
| | - Yuxi Zhang
- Institution of Nanochemistry and Nanobiology, School of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, China
| | - Lin Zhan
- Institution of Nanochemistry and Nanobiology, School of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, China
| | - Chenchen Li
- Institution of Nanochemistry and Nanobiology, School of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, China.
| | - Yanli Wang
- Institution of Nanochemistry and Nanobiology, School of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, China.
- School of Medicine, Shanghai University, Shanghai, 200444, China.
- Key Laboratory of Tropical Translation Medicine of Ministry of Education, Hainan Provincial Key Laboratory for Research and Development of Tropical Herbs, School of Pharmacy, Hainan Medical University, Haikou, 571199, China.
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Cai X, Wang Z, Li X, Zhang J, Ren Z, Shao Y, Xu Y, Zhu Y. Emodin as an Inhibitor of PRV Infection In Vitro and In Vivo. Molecules 2023; 28:6567. [PMID: 37764342 PMCID: PMC10537396 DOI: 10.3390/molecules28186567] [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: 07/18/2023] [Revised: 08/17/2023] [Accepted: 09/07/2023] [Indexed: 09/29/2023] Open
Abstract
Pseudorabies (PR) is an acute and severe infectious disease caused by pseudorabies virus (PRV). Once the virus infects pigs, it is difficult to eliminate, resulting in major economic losses to the global pig industry. In addition, reports of human infection with PRV suggest that the virus is a potential threat to human health; thus, its significance to public health should be considered. In this paper, the anti-PRV activities of emodin in vitro and in vivo, and its mechanism of action were studied. The results showed that emodin inhibited the proliferation of PRV in PK15 cells in a dose-dependent manner, with an IC50 of 0.127 mg/mL and a selection index of 5.52. The addition of emodin at different stages of viral infection showed that emodin inhibited intracellular replication. Emodin significantly inhibited the expression of the IE180, EP0, UL29, UL44, US6, and UL27 genes of PRV within 48 h. Emodin also significantly inhibited the expression of PRV gB and gD proteins. The molecular docking results suggested that emodin might form hydrogen bonds with PRV gB and gD proteins and affect the structure of viral proteins. Emodin effectively inhibited the apoptosis induced by PRV infection. Moreover, emodin showed a good protective effect on PRV-infected mice. During the experimental period, all the control PRV-infected mice died resulting in a survival rate of 0%, while the survival rate of emodin-treated mice was 28.5%. Emodin also significantly inhibited the replication of PRV in the heart, liver, brain, kidneys and lungs of mice and alleviated tissue and organ damage caused by PRV infection. Emodin was able to combat viral infection by regulating the levels of the cytokines TNF-α, IFN-γ, IL-6, and IL-4 in the sera of infected mice. These results indicate that emodin has good anti-PRV activity in vitro and in vivo, and is expected to be a new agent for the prevention and control of PRV infection.
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Affiliation(s)
- Xiaojing Cai
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China; (X.C.); (Z.W.); (Z.R.); (Y.S.); (Y.X.)
| | - Zhiying Wang
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China; (X.C.); (Z.W.); (Z.R.); (Y.S.); (Y.X.)
| | - Xiaocheng Li
- Harbin Da BEINONG Animal Husbandry Technology Co., Ltd., Harbin 150030, China; (X.L.); (J.Z.)
| | - Jing Zhang
- Harbin Da BEINONG Animal Husbandry Technology Co., Ltd., Harbin 150030, China; (X.L.); (J.Z.)
| | - Zhiyuan Ren
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China; (X.C.); (Z.W.); (Z.R.); (Y.S.); (Y.X.)
| | - Yi Shao
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China; (X.C.); (Z.W.); (Z.R.); (Y.S.); (Y.X.)
| | - Yongkang Xu
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China; (X.C.); (Z.W.); (Z.R.); (Y.S.); (Y.X.)
| | - Yan Zhu
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China; (X.C.); (Z.W.); (Z.R.); (Y.S.); (Y.X.)
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Ahmad A, Orassay A, Majaz S, Saeed A, Sadvokassova D, Berdigaliyev A, Ahmad S, Wang LX, Xie Y. Computational analysis of target genes in monkeypox virus infection and potential therapeutic precursors. Expert Rev Anti Infect Ther 2023; 21:1153-1161. [PMID: 37711024 DOI: 10.1080/14787210.2023.2259614] [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: 01/09/2023] [Revised: 07/23/2023] [Accepted: 09/05/2023] [Indexed: 09/16/2023]
Abstract
BACKGROUND Monkeypox is an orthopoxvirus that is responsible for zoonotic infections in humans. The virus has recently spread rapidly and the WHO has listed it as an international public health emergency of concern. RESEARCH DESIGN AND METHODS Here, we used network analysis and gene enrichment protocols and analyzed datasets of MPXV infection that induced host cell gene expression list and subsequently mapped them against two herbal target gene lists which highlighted considerable coherence in pharmacological attributes with COVID-19. Molecular docking and simulation were performed for the screened compounds. RESULTS Our results identified β-carotene and kaempferol possessing tremendous ability against the MPXV PLD protein. Both compounds were subjected to each of 100 ns molecular dynamics simulation and were found native to the PLD pocket. MM-PB (GB) SA analyses indicated -25.4, -40.1 kcal/mol and -17.2, -26.4kcal/mol of ΔGbind to the active pocket of PLD. Our data suggest the adaptive nature of the MPXV PLD active pocket toward hydrophobic inhibitors. CONCLUSION These results will be of high importance for the viral researchers to be tested in wet lab settings in designing potential inhibitors.
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Affiliation(s)
- Ashfaq Ahmad
- Department of Bioinformatics, Hazara University, Mansehra, Pakistan
| | - Aliya Orassay
- Department of Biology, School of Sciences and Humanities, Nazarbayev University, Astana, Kazakhstan
| | - Sidra Majaz
- Department of Bioinformatics, Hazara University, Mansehra, Pakistan
| | - Aamir Saeed
- Department of Bioinformatics, Hazara University, Mansehra, Pakistan
| | - Darya Sadvokassova
- Department of Biology, School of Sciences and Humanities, Nazarbayev University, Astana, Kazakhstan
| | - Alan Berdigaliyev
- Department of Biology, School of Sciences and Humanities, Nazarbayev University, Astana, Kazakhstan
| | - Salar Ahmad
- Department of Surgery, Tehsil Head Quarter (THQ) Hospital, Dargai Malakand, Pakistan
| | - Lian-Xiang Wang
- Department of Crops Research, Heze Research Institute, Heze, China
| | - Yingqiu Xie
- Department of Biology, School of Sciences and Humanities, Nazarbayev University, Astana, Kazakhstan
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Fu L, Li S, Men X, Cai X, Wang Z, Xu Y, Ren Z, Shao Y, Zhu Y. Optimizing the Extraction and Enrichment of Luteolin from Patrinia villosa and Its Anti-Pseudorabies Virus Activity. Molecules 2023; 28:5005. [PMID: 37446667 DOI: 10.3390/molecules28135005] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2023] [Revised: 06/13/2023] [Accepted: 06/22/2023] [Indexed: 07/15/2023] Open
Abstract
Luteolin from Patrinia villosa exhibits strong antiviral activity. Here, the conditions for extracting and enriching luteolin from P. villosa were optimized. Response surface methodology was used to determine the optimal extraction parameters in terms of reflux time, solvent ratio, extraction temperature, material-to-liquid ratio, and number of extractions. Thereafter, a macroporous resin method was used to enrich luteolin from P. villosa. Finally, the following optimal extraction and enrichment conditions were established: an extraction time of 43.00 min, a methanol/hydrochloric acid solvent ratio of 13:1, an extraction temperature of 77.60 °C, a material/liquid ratio of 1:22, and a total of two extractions. NKA-9 was determined to be the most appropriate resin for enrichment. The ideal adsorption conditions were as follows: a pH of 5.0, a temperature of 25 °C, an initial luteolin concentration of 19.58 µg/mL, a sample loading volume of 2.9 BV, and a sample loading rate of 2 BV/h. The ideal desorption conditions were as follows: distilled water, 30% ethanol and 80% ethanol elution, and 5 BV at a flow rate of 2 BV/h. After optimization, the enrichment recovery rate was 80.06% and the luteolin content increased 3.8-fold. Additionally, the enriched product exhibited a significant inhibitory effect on PRV (Porcine pseudorabies virus) in vitro and in vivo, providing data for developing and applying luteolin from P. villosa.
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Affiliation(s)
- Lian Fu
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150038, China
| | - Su Li
- College of Resources and Environment, Northeast Agricultural University, Harbin 150038, China
| | - Xiaoyu Men
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150038, China
| | - Xiaojing Cai
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150038, China
| | - Zhiying Wang
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150038, China
| | - Yongkang Xu
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150038, China
| | - Zhiyuan Ren
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150038, China
| | - Yi Shao
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150038, China
| | - Yan Zhu
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150038, China
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11
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Hossain MA, Sohel M, Sultana T, Hasan MI, Khan MS, Kibria KMK, Mahmud SMH, Rahman MH. Study of kaempferol in the treatment of COVID-19 combined with Chikungunya co-infection by network pharmacology and molecular docking technology. INFORMATICS IN MEDICINE UNLOCKED 2023; 40:101289. [PMID: 37346467 PMCID: PMC10264333 DOI: 10.1016/j.imu.2023.101289] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Revised: 05/30/2023] [Accepted: 06/01/2023] [Indexed: 06/23/2023] Open
Abstract
Chikungunya (CHIK) patients may be vulnerable to coronavirus disease (COVID-19). However, presently there are no anti-COVID-19/CHIK therapeutic alternatives available. The purpose of this research was to determine the pharmacological mechanism through which kaempferol functions in the treatment of COVID-19-associated CHIK co-infection. We have used a series of network pharmacology and computational analysis-based techniques to decipher and define the binding capacity, biological functions, pharmacological targets, and treatment processes in COVID-19-mediated CHIK co-infection. We identified key therapeutic targets for COVID-19/CHIK, including TP53, MAPK1, MAPK3, MAPK8, TNF, IL6 and NFKB1. Gene ontology, molecular and upstream pathway analysis of kaempferol against COVID-19 and CHIK showed that DEGs were confined mainly to the cytokine-mediated signalling pathway, MAP kinase activity, negative regulation of the apoptotic process, lipid and atherosclerosis, TNF signalling pathway, hepatitis B, toll-like receptor signaling, IL-17 and IL-18 signaling pathways. The study of the gene regulatory network revealed several significant TFs including KLF16, GATA2, YY1 and FOXC1 and miRNAs such as let-7b-5p, mir-16-5p, mir-34a-5p, and mir-155-5p that target differential-expressed genes (DEG). According to the molecular coupling results, kaempferol exhibited a high affinity for 5 receptor proteins (TP53, MAPK1, MAPK3, MAPK8, and TNF) compared to control inhibitors. In combination, our results identified significant targets and pharmacological mechanisms of kaempferol in the treatment of COVID-19/CHIK and recommended that core targets be used as potential biomarkers against COVID-19/CHIK viruses. Before conducting clinical studies for the intervention of COVID-19 and CHIK, kaempferol might be evaluated in wet lab tests at the molecular level.
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Affiliation(s)
- Md Arju Hossain
- Department of Biotechnology and Genetic Engineering, Mawlana Bhashani Science and Technology University, Santosh, Tangail, 1902, Bangladesh
| | - Md Sohel
- Department of Biochemistry and Molecular Biology, Mawlana Bhashani Science and Technology University, Santosh, Tangail, 1902, Bangladesh
- Department of Biochemistry and Molecular Biology, Primeasia University, Dhaka, Bangladesh
| | - Tayeba Sultana
- Department of Biotechnology and Genetic Engineering, Mawlana Bhashani Science and Technology University, Santosh, Tangail, 1902, Bangladesh
| | - Md Imran Hasan
- Department of Computer Science and Engineering, Islamic University, Kushtia, 7003, Bangladesh
| | - Md Sharif Khan
- Department of Biotechnology and Genetic Engineering, Mawlana Bhashani Science and Technology University, Santosh, Tangail, 1902, Bangladesh
| | - K M Kaderi Kibria
- Department of Biotechnology and Genetic Engineering, Mawlana Bhashani Science and Technology University, Santosh, Tangail, 1902, Bangladesh
| | - S M Hasan Mahmud
- Department of Computer Science, Faculty of Science and Technology, American International University-Bangladesh, Dhaka, Bangladesh
| | - Md Habibur Rahman
- Department of Computer Science and Engineering, Islamic University, Kushtia, 7003, Bangladesh
- Center for Advanced Bioinformatics and Artificial Intelligent Research, Islamic University, Kushtia, 7003, Bangladesh
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12
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Mao H, Li J, Liao G, Gao M, Yang G, Bao J. The prevention strategies of swine viruses related to xenotransplantation. Virol J 2023; 20:121. [PMID: 37312151 PMCID: PMC10262131 DOI: 10.1186/s12985-023-02090-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Accepted: 06/02/2023] [Indexed: 06/15/2023] Open
Abstract
Xenotransplantation is considered a solution for the shortage of organs, and pigs play an indispensable role as donors in xenotransplantation. The biosecurity of pigs, especially the zoonotic viruses carried by pigs, has attracted attention. This review introduces several viruses, including porcine endogenous retroviruses that are integrated into the pig genome in a DNA form, herpesviruses that have been proven to clearly affect recipient survival time in previous xenotransplant surgeries, the zoonotic hepatitis E virus, and the widely distributed porcine circoviruses. The detail virus information, such as structure, caused diseases, transmission pathways, and epidemiology was introduced in the current review. Diagnostic and control measures for these viruses, including detection sites and methods, vaccines, RNA interference, antiviral pigs, farm biosecurity, and drugs, are discussed. The challenges faced, including those posed by other viruses and newly emerged viruses, and the challenges brought by the modes of transmission of the viruses are also summarized.
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Affiliation(s)
- Hongzhen Mao
- Institute of Clinical Pathology, Key Laboratory of Transplant Engineering and Immunology, West China Hospital, Sichuan University, Chengdu, 610041, China
- Center of Infectious Diseases & Institute of Clinical Pathology, Key Laboratory of Transplant Engineering and Immunology, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Jinyang Li
- Institute of Clinical Pathology, Key Laboratory of Transplant Engineering and Immunology, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Guangneng Liao
- Experimental Animal Center, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Mengyu Gao
- Institute of Clinical Pathology, Key Laboratory of Transplant Engineering and Immunology, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Guang Yang
- Experimental Animal Center, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Ji Bao
- Institute of Clinical Pathology, Key Laboratory of Transplant Engineering and Immunology, West China Hospital, Sichuan University, Chengdu, 610041, China.
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13
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Ye N, Feng W, Fu T, Tang D, Zeng Z, Wang B. Membrane fusion, potential threats, and natural antiviral drugs of pseudorabies virus. Vet Res 2023; 54:39. [PMID: 37131259 PMCID: PMC10152797 DOI: 10.1186/s13567-023-01171-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Accepted: 04/04/2023] [Indexed: 05/04/2023] Open
Abstract
Pseudorabies virus (PrV) can infect several animals and causes severe economic losses in the swine industry. Recently, human encephalitis or endophthalmitis caused by PrV infection has been frequently reported in China. Thus, PrV can infect animals and is becoming a potential threat to human health. Although vaccines and drugs are the main strategies to prevent and treat PrV outbreaks, there is no specific drug, and the emergence of new PrV variants has reduced the effectiveness of classical vaccines. Therefore, it is challenging to eradicate PrV. In the present review, the membrane fusion process of PrV entering target cells, which is conducive to revealing new therapeutic and vaccine strategies for PrV, is presented and discussed. The current and potential PrV pathways of infection in humans are analyzed, and it is hypothesized that PrV may become a zoonotic agent. The efficacy of chemically synthesized drugs for treating PrV infections in animals and humans is unsatisfactory. In contrast, multiple extracts of traditional Chinese medicine (TCM) have shown anti-PRV activity, exerting its effects in different phases of the PrV life-cycle and suggesting that TCM compounds may have great potential against PrV. Overall, this review provides insights into developing effective anti-PrV drugs and emphasizes that human PrV infection should receive more attention.
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Affiliation(s)
- Ni Ye
- College of Animal Science, Guizhou University, Guiyang, 550025, China
| | - Wei Feng
- College of Animal Science, Guizhou University, Guiyang, 550025, China
| | - Tiantian Fu
- College of Animal Science, Guizhou University, Guiyang, 550025, China
| | - Deyuan Tang
- College of Animal Science, Guizhou University, Guiyang, 550025, China
| | - Zhiyong Zeng
- College of Animal Science, Guizhou University, Guiyang, 550025, China
| | - Bin Wang
- College of Animal Science, Guizhou University, Guiyang, 550025, China.
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14
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Nathan J, Shameera R, Ramachandran A. Impact of nutraceuticals on immunomodulation against viral infections-A review during COVID-19 pandemic in Indian scenario. J Biochem Mol Toxicol 2023; 37:e23320. [PMID: 36799127 DOI: 10.1002/jbt.23320] [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: 09/06/2022] [Revised: 12/13/2022] [Accepted: 02/02/2023] [Indexed: 02/18/2023]
Abstract
The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) originated in Wuhan, China, in early December 2019 is a censorious global emergency after World War II. Research on the coronavirus uncovered essential information that aided in the development of the vaccine, and specific coronavirus disease 2019 (COVID-19) vaccines were later developed and were approved for usage in humans. But then, mutations in the coronavirus gave rise to new variants and questioned the vaccine's efficacy against them. On the other hand, the investigation of traditional medicine was also on its path to find a novel outcome against COVID-19. On a comparative analysis between India and the United States, India had low death rate and high recovery rate than the latter. The dietary regulation of immunity may be the factor that makes the above difference. The immunity gained from the regular diet of Indian culture nourishes Indian people with essential phytochemicals that support immunity and metabolism. Dietary phytochemicals or nutraceuticals possess antioxidant, anti-inflammatory, and anticancer properties, out of which our concern will be on immune-boosting phytochemicals from our daily nutritional supplements. In several case studies, dietary substance like lemon, ginger, and spinach was reported in the recovery of COVID-19 patients. Thus in this review, we discuss coronavirus and its available variants, vaccines, and the effect of nutraceuticals against the coronavirus. Further, we denote that the immunity of the Indian population may be high because of their diet, which adds natural phytochemicals to boost their immunity and metabolism.
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Affiliation(s)
- Jhansi Nathan
- AUKBC Research Centre for Emerging Technologies, Anna University, Chennai, Tamil Nadu, India
| | - Rabiathul Shameera
- AUKBC Research Centre for Emerging Technologies, Anna University, Chennai, Tamil Nadu, India
| | - Arunkumar Ramachandran
- Multidisciplinary Research Unit (MRU), Madras Medical College, Chennai, Tamil Nadu, India
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15
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Ahmed SI, Jamil S, Ismatullah H, Hussain R, Bibi S, Khandaker MU, Naveed A, Idris AM, Emran TB. A comprehensive perspective of traditional Arabic or Islamic medicinal plants as an adjuvant therapy against COVID-19. Saudi J Biol Sci 2023; 30:103561. [PMID: 36684115 PMCID: PMC9838045 DOI: 10.1016/j.sjbs.2023.103561] [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: 10/25/2022] [Revised: 12/09/2022] [Accepted: 01/08/2023] [Indexed: 01/15/2023] Open
Abstract
COVID-19 is a pulmonary disease caused by SARS-CoV-2. More than 200 million individuals are infected by this globally. Pyrexia, coughing, shortness of breath, headaches, diarrhoea, sore throats, and body aches are among the typical symptoms of COVID-19. The virus enters into the host body by interacting with the ACE2 receptor. Despite many SARS-CoV-2 vaccines manufactured by distinct strategies but any evidence-based particular medication to combat COVID-19 is not available yet. However, further research is required to determine the safety and effectiveness profile of the present therapeutic approaches. In this study, we provide a summary of Traditional Arabic or Islamic medicinal (TAIM) plants' historical use and their present role as adjuvant therapy for COVID-19. Herein, six medicinal plants Aloe barbadensis Miller, Olea europaea, Trigonella foenum-graecum, Nigella sativa, Cassia angustifolia, and Ficus carica have been studied based upon their pharmacological activities against viral infections. These plants include phytochemicals that have antiviral, immunomodulatory, antiasthmatic, antipyretic, and antitussive properties. These bioactive substances could be employed to control symptoms and enhance the development of a possible COVID-19 medicinal synthesis. To determine whether or if these TAIMs may be used as adjuvant therapy and are appropriate, a detailed evaluation is advised.
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Affiliation(s)
- Shabina Ishtiaq Ahmed
- Department of Plant Biotechnology, Atta-Ur-Rahman School of Applied Biosciences (ASAB), National University of Sciences and Technology (NUST), 44000, Islamabad, Pakistan,The Standard College for Girls, 3/530 Paris Road, Sialkot Pakistan
| | - Sehrish Jamil
- The Standard College for Girls, 3/530 Paris Road, Sialkot Pakistan
| | - Humaira Ismatullah
- School of Interdisciplinary Engineering & Sciences (SINES), National University of Sciences and Technology (NUST), 44000 Islamabad, Pakistan
| | - Rashid Hussain
- Department of Biosciences, Shifa Tameer-e-Millat University, Islamabad, Pakistan
| | - Shabana Bibi
- Department of Biosciences, Shifa Tameer-e-Millat University, Islamabad, Pakistan,Yunnan Herbal Laboratory, College of Ecology and Environmental Sciences, Yunnan University, Kunming 650091, China
| | - Mayeen Uddin Khandaker
- Center for Applied Physics and Radiation Technologies, School of Engineering and Technology, Sunway University, Bandar Sunway 47500, Selangor, Malaysia
| | - Aisha Naveed
- Caribbean Medical University, Willemastad, Curacao-Caribbean Island, Curaçao
| | - Abubakr M. Idris
- Department of Chemistry, College of Science, King Khalid University, Abha 62529, Saudi Arabia,Research Center for Advanced Materials Science (RCAMS), King Khalid University, Abha 62529, Saudi Arabia
| | - Talha Bin Emran
- Department of Pharmacy, BGC Trust University Bangladesh, Chittagong 4381, Bangladesh,Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka 1207, Bangladesh,Corresponding author. Department of Pharmacy, BGC Trust University Bangladesh, Chittagong 4381, Bangladesh
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16
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Antiviral Activity of Luteolin against Pseudorabies Virus In Vitro and In Vivo. Animals (Basel) 2023; 13:ani13040761. [PMID: 36830548 PMCID: PMC9952634 DOI: 10.3390/ani13040761] [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: 01/16/2023] [Revised: 02/12/2023] [Accepted: 02/19/2023] [Indexed: 02/22/2023] Open
Abstract
Pseudorabies virus (PRV) can cause acute swine disease leading to economic losses worldwide and is a potential causative agent of viral encephalitis in humans. Although effective vaccines are available, an increasing number of variants have emerged in China, and identifying effective antiviral agents against PRV to prevent latent infection is essential. In this study, we assessed the antiviral activity of luteolin against PRV in vitro and in vivo. Luteolin was found to significantly inhibit PRV at a noncytotoxic concentration (70 μM), with an IC50 of 26.24 μM and a selectivity index of 5.64. Luteolin inhibited the virus at the replication stage and decreased the expression of viral mRNA and gB protein. Luteolin reduced the apoptosis of PRV-infected cells, improved the survival rate of mice after lethal challenge, reduced the viral loads in the liver, kidney, heart, lung, and brain, reduced brain lesions, and slowed inflammation and oxidation reactions. Our results showed that luteolin has promise as a new alternative antiviral drug for PRV infection.
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17
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Dihydromyricetin Inhibits Pseudorabies Virus Multiplication In Vitro by Regulating NF-κB Signaling Pathway and Apoptosis. Vet Sci 2023; 10:vetsci10020111. [PMID: 36851415 PMCID: PMC9961748 DOI: 10.3390/vetsci10020111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Revised: 01/12/2023] [Accepted: 01/29/2023] [Indexed: 02/05/2023] Open
Abstract
Pseudorabies virus (PRV) infections have caused huge economic losses to the breeding industry worldwide, especially pig husbandry. PRV could threaten human health as an easily ignored zoonotic pathogen. The emergence of new mutants significantly reduced the protective effect of vaccination, indicating an urgent need to develop specific therapeutic drugs for PRV infection. In this study, we found that dihydromyricetin (DMY) could dose-dependently restrain PRV infection in vitro with an IC50 of 161.34 μM; the inhibition rate of DMY at a concentration of 500 μM was 92.16 %. Moreover, the mode of action showed that DMY directly inactivated PRV virion and inhibited viral adsorption and cellular replication. DMY treatment could improve PRV-induced abnormal changes of the NF-κB signaling pathway and excessive inflammatory response through regulation of the contents of IκBα and p-P65/P65 and the transcriptional levels of cytokines (TNF-α, IL-1β and IL-6). Furthermore, DMY promoted the apoptosis of PRV-infected cells through the regulation of the expressions of Bax and Bcl-xl and the transcriptional levels of Caspase-3, Bax, Bcl-2 and Bcl-xl, thereby limiting the production of progeny virus. These findings indicated that DMY could be a candidate drug for the treatment of PRV infection.
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Cai X, Shao Y, Wang Z, Xu Y, Ren Z, Fu L, Zhu Y. Antiviral activity of dandelion aqueous extract against pseudorabies virus both in vitro and in vivo. Front Vet Sci 2023; 9:1090398. [PMID: 36699332 PMCID: PMC9870063 DOI: 10.3389/fvets.2022.1090398] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2022] [Accepted: 12/21/2022] [Indexed: 01/11/2023] Open
Abstract
Pseudorabies virus (PRV) is one of the most significant pathogens of swine. In recent years, the continual emergence of novel PRV variants has caused substantial economic losses in the global pig industry. PRV can infect humans leading to symptoms of acute encephalitis with implications for public health. Thus, new measures are urgently needed to prevent PRV infection. This study evaluated the anti-PRV capability of dandelion aqueous extract (DAE) in vitro and in vivo. DAE was found to inhibit the multiplication of the PRV TJ strain in PK15 cells in a concentration-dependent manner, with a 50% inhibitory concentration (IC50) of 0.2559 mg/mL and a selectivity index (SI) of 14.4. DAE inhibited the adsorption and replication stages of the PRV life cycle in vitro, and the expression of IE180, EP0, UL29, UL44, and UL52 was inhibited in the presence of DAE. In vivo experiment results of mice show that a 0.5 g/kg dose of DAE injected intraperitoneally protected 28.6% of the mice from the lethal challenge; decreased the viral load in the liver, lung, brain, heart, and kidney of PRV-infected mice; and attenuated brain damage caused by PRV infection. Furthermore, DAE could also ameliorate viral infection through regulation of the levels of cytokines (IFN-γ, TNF-α, and IL-4) in PRV-infected mouse serum. These results demonstrated that DAE exhibited potent inhibitory capability against PRV infection in vitro and in vivo; DAE is therefore expected to be a candidate TCM herb for use against PRV infection.
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Wu Q, Chen J, Zheng X, Song J, Yin L, Guo H, Chen Q, Liu Y, Ma Q, Zhang H, Yang Q. Kaempferol attenuates doxorubicin-induced renal tubular injury by inhibiting ROS/ASK1-mediated activation of the MAPK signaling pathway. Biomed Pharmacother 2023; 157:114087. [PMID: 36481400 DOI: 10.1016/j.biopha.2022.114087] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Revised: 11/26/2022] [Accepted: 12/02/2022] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND AND OBJECTIVE Doxorubicin (DOX) is one of the most commonly used antineoplastic agents; however, its considerable nephrotoxicity restricts its clinical use. Kaempferol (KPF), a naturally-occurring flavonoid, possesses various biological benefits, including anti-tumor activity that has garnered increasing attention. This study aimed to evaluate the possible reno-protective role of KPF in DOX nephrotoxicity. METHODS Male BALB/c mice were injected with DOX via the tail vein to imitate renal damage. Their body and kidney were weighed after 2 weeks of KPF therapy, and urine, serum, and tissue samples were obtained to establish proteinuria, serum creatinine, and pathological alterations. The variations in SOD, GSH, CTA, MDA, and SOD2 expression in renal tissues were measured, and p-ASK1, p-p38, and P-JNK were evaluated by western blot. Cell viability was detected using MTT tests. Apoptosis was assessed by TUNEL, Hoechst 33342, PI staining, and western blot. Fluorescent ROS probes were used to assess oxidative cell damage. RESULTS KPF ameliorated DOX-induced renal injury, improved proteinuria and renal function, restored GSH content, SOD activity and CTA activity in kidneys, inhibited the overproduction of MDA, and suppressed DOX-induced activation of the MAPK signaling pathway. In NRK-52E cells, KPF significantly inhibited DOX-induced ROS overproduction, restrained the activation of MAPK signaling pathway, and alleviated DOX-induced cell morphological damage and loss of cell viability, While it did not affect the toxicity of DOX to 4T1 cells. CONCLUSION KPF provides a protective effect against DOX-induced nephrotoxicity while maintaining the cytotoxicity of DOX in breast cancer cells, thereby it may provide a viable solution to lessen renal toxicity in cancer patients receiving DOX.
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Affiliation(s)
- Qijing Wu
- The Affiliated Huaian No.1 People's Hospital of Nanjing Medical University, Huaian, Jiangsu Province, China
| | - Juan Chen
- The Affiliated Huaian No.1 People's Hospital of Nanjing Medical University, Huaian, Jiangsu Province, China
| | - Xiyin Zheng
- The Affiliated Huaian No.1 People's Hospital of Nanjing Medical University, Huaian, Jiangsu Province, China
| | - Jing Song
- The Affiliated Huaian No.1 People's Hospital of Nanjing Medical University, Huaian, Jiangsu Province, China
| | - Lulu Yin
- The Affiliated Huaian No.1 People's Hospital of Nanjing Medical University, Huaian, Jiangsu Province, China
| | - Hai Guo
- The Affiliated Huaian No.1 People's Hospital of Nanjing Medical University, Huaian, Jiangsu Province, China
| | - Qian Chen
- The Affiliated Huaian No.1 People's Hospital of Nanjing Medical University, Huaian, Jiangsu Province, China
| | - Yi Liu
- The Affiliated Huaian No.1 People's Hospital of Nanjing Medical University, Huaian, Jiangsu Province, China
| | - Qianli Ma
- The Affiliated Huaian No.1 People's Hospital of Nanjing Medical University, Huaian, Jiangsu Province, China
| | - Hong Zhang
- The Affiliated Huaian No.1 People's Hospital of Nanjing Medical University, Huaian, Jiangsu Province, China.
| | - Qianqian Yang
- The Affiliated Huaian No.1 People's Hospital of Nanjing Medical University, Huaian, Jiangsu Province, China.
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Wu CC, Lee TY, Cheng YJ, Cho DY, Chen JY. The Dietary Flavonol Kaempferol Inhibits Epstein-Barr Virus Reactivation in Nasopharyngeal Carcinoma Cells. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27238158. [PMID: 36500249 PMCID: PMC9736733 DOI: 10.3390/molecules27238158] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Revised: 11/13/2022] [Accepted: 11/14/2022] [Indexed: 11/25/2022]
Abstract
Kaempferol (KP, 3,4',5,7-tetrahydroxyflavone), a dietary flavonol, has anti-cancer, antioxidant, anti-inflammatory, antimicrobial, and antimutagenic functions. However, it is unknown whether kaempferol possesses anti-Epstein-Barr virus (EBV) activity. Previously, we demonstrated that inhibition of EBV reactivation represses nasopharyngeal carcinoma (NPC) tumourigenesis, suggesting the importance of identifying EBV inhibitors. In this study, Western blotting, immunofluorescence staining, and virion detection showed that kaempferol repressed EBV lytic gene protein expression and subsequent virion production. Specifically, kaempferol was found to inhibit the promoter activities of Zta and Rta (Zp and Rp) under various conditions. A survey of the mutated Zp constructs revealed that Sp1 binding regions are critical for kaempferol inhibition. Kaempferol treatment repressed Sp1 expression and decreased the activity of the Sp1 promoter, suggesting that Sp1 expression was inhibited. In conclusion, kaempferol efficiently inhibits EBV reactivation and provides a novel choice for anti-EBV therapy and cancer prevention.
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Affiliation(s)
- Chung-Chun Wu
- Translational Cell Therapy Center, Department of Medical Research, China Medical University Hospital, Taichung City 40447, Taiwan
- National Institute of Cancer Research, National Health Research Institutes, Zhunan 35053, Taiwan
- Correspondence: (C.-C.W.); (J.-Y.C.)
| | - Ting-Ying Lee
- Translational Cell Therapy Center, Department of Medical Research, China Medical University Hospital, Taichung City 40447, Taiwan
| | - Yu-Jhen Cheng
- National Institute of Infectious Diseases and Vaccinology, National Health Research Institutes, Zhunan 35053, Taiwan
| | - Der-Yang Cho
- Translational Cell Therapy Center, Department of Medical Research, China Medical University Hospital, Taichung City 40447, Taiwan
| | - Jen-Yang Chen
- National Institute of Cancer Research, National Health Research Institutes, Zhunan 35053, Taiwan
- Correspondence: (C.-C.W.); (J.-Y.C.)
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Zhang X, Chen S, Li X, Zhang L, Ren L. Flavonoids as Potential Antiviral Agents for Porcine Viruses. Pharmaceutics 2022; 14:pharmaceutics14091793. [PMID: 36145539 PMCID: PMC9501777 DOI: 10.3390/pharmaceutics14091793] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Revised: 08/20/2022] [Accepted: 08/24/2022] [Indexed: 11/16/2022] Open
Abstract
Flavonoids are types of natural substances with phenolic structures isolated from a variety of plants. Flavonoids have antioxidant, anti-inflammatory, anticancer, and antiviral activities. Although most of the research or applications of flavonoids are focused on human diseases, flavonoids also show potential applicability against porcine virus infection. This review focuses on the recent progress in antiviral mechanisms of potential flavonoids against the most common porcine viruses. The mechanism discussed in this paper may provide a theoretical basis for drug screening and application of natural flavonoid compounds and flavonoid-containing herbs to control porcine virus infection and guide the research and development of pig feed additives.
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22
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Zhou M, Abid M, Cao S, Zhu S. Progress of Research into Novel Drugs and Potential Drug Targets against Porcine Pseudorabies Virus. Viruses 2022; 14:v14081753. [PMID: 36016377 PMCID: PMC9416328 DOI: 10.3390/v14081753] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Revised: 08/06/2022] [Accepted: 08/07/2022] [Indexed: 11/16/2022] Open
Abstract
Pseudorabies virus (PRV) is the causative agent of pseudorabies (PR), infecting most mammals and some birds. It has been prevalent around the world and caused huge economic losses to the swine industry since its discovery. At present, the prevention of PRV is mainly through vaccination; there are few specific antivirals against PRV, but it is possible to treat PRV infection effectively with drugs. In recent years, some drugs have been reported to treat PR; however, the variety of anti-pseudorabies drugs is limited, and the underlying mechanism of the antiviral effect of some drugs is unclear. Therefore, it is necessary to explore new drug targets for PRV and develop economic and efficient drug resources for prevention and control of PRV. This review will focus on the research progress in drugs and drug targets against PRV in recent years, and discuss the future research prospects of anti-PRV drugs.
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Affiliation(s)
- Mo Zhou
- Jiangsu Key Laboratory for High-Tech Research and Development of Veterinary Biopharmaceuticals, Jiangsu Agri-Animal Husbandry Vocational College, Taizhou 225306, China
| | - Muhammad Abid
- Viral Oncogenesis Group, The Pirbright Institute, Ash Road Pirbright, Woking, Surrey GU24 0NF, UK
| | - Shinuo Cao
- Jiangsu Key Laboratory for High-Tech Research and Development of Veterinary Biopharmaceuticals, Jiangsu Agri-Animal Husbandry Vocational College, Taizhou 225306, China
- Correspondence: (S.C.); (S.Z.)
| | - Shanyuan Zhu
- Jiangsu Key Laboratory for High-Tech Research and Development of Veterinary Biopharmaceuticals, Jiangsu Agri-Animal Husbandry Vocational College, Taizhou 225306, China
- Correspondence: (S.C.); (S.Z.)
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Pseudorabies Virus: From Pathogenesis to Prevention Strategies. Viruses 2022; 14:v14081638. [PMID: 36016260 PMCID: PMC9414054 DOI: 10.3390/v14081638] [Citation(s) in RCA: 37] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Revised: 07/21/2022] [Accepted: 07/25/2022] [Indexed: 11/16/2022] Open
Abstract
Pseudorabies (PR), also called Aujeszky’s disease (AD), is a highly infectious viral disease which is caused by pseudorabies virus (PRV). It has been nearly 200 years since the first PR case occurred. Currently, the virus can infect human beings and various mammals, including pigs, sheep, dogs, rabbits, rodents, cattle and cats, and among them, pigs are the only natural host of PRV infection. PRV is characterized by reproductive failure in pregnant sows, nervous disorders in newborn piglets, and respiratory distress in growing pigs, resulting in serious economic losses to the pig industry worldwide. Due to the extensive application of the attenuated vaccine containing the Bartha-K61 strain, PR was well controlled. With the variation of PRV strain, PR re-emerged and rapidly spread in some countries, especially China. Although researchers have been committed to the design of diagnostic methods and the development of vaccines in recent years, PR is still an important infectious disease and is widely prevalent in the global pig industry. In this review, we introduce the structural composition and life cycle of PRV virions and then discuss the latest findings on PRV pathogenesis, following the molecular characteristic of PRV and the summary of existing diagnosis methods. Subsequently, we also focus on the latest clinical progress in the prevention and control of PRV infection via the development of vaccines, traditional herbal medicines and novel small RNAs. Lastly, we provide an outlook on PRV eradication.
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Jiang Y, Xie YZ, Peng CW, Yao KN, Lin XY, Zhan SF, Zhuang HF, Huang HT, Liu XH, Huang XF, Li H. Modeling Kaempferol as a Potential Pharmacological Agent for COVID-19/PF Co-Occurrence Based on Bioinformatics and System Pharmacological Tools. Front Pharmacol 2022; 13:865097. [PMID: 35754492 PMCID: PMC9214245 DOI: 10.3389/fphar.2022.865097] [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: 01/29/2022] [Accepted: 04/25/2022] [Indexed: 11/13/2022] Open
Abstract
Objective: People suffering from coronavirus disease 2019 (COVID-19) are prone to develop pulmonary fibrosis (PF), but there is currently no definitive treatment for COVID-19/PF co-occurrence. Kaempferol with promising antiviral and anti-fibrotic effects is expected to become a potential treatment for COVID-19 and PF comorbidities. Therefore, this study explored the targets and molecular mechanisms of kaempferol against COVID-19/PF co-occurrence by bioinformatics and network pharmacology. Methods: Various open-source databases and Venn Diagram tool were applied to confirm the targets of kaempferol against COVID-19/PF co-occurrence. Protein-protein interaction (PPI), MCODE, key transcription factors, tissue-specific enrichment, molecular docking, Gene ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) enrichment analyses were used to clarify the influential molecular mechanisms of kaempferol against COVID-19 and PF comorbidities. Results: 290 targets and 203 transcription factors of kaempferol against COVID-19/PF co-occurrence were captured. Epidermal growth factor receptor (EGFR), proto-oncogene tyrosine-protein kinase SRC (SRC), mitogen-activated protein kinase 3 (MAPK3), mitogen-activated protein kinase 1 (MAPK1), mitogen-activated protein kinase 8 (MAPK8), RAC-alpha serine/threonine-protein kinase (AKT1), transcription factor p65 (RELA) and phosphatidylinositol 4,5-bisphosphate 3-kinase catalytic subunit alpha isoform (PIK3CA) were identified as the most critical targets, and kaempferol showed effective binding activities with the above critical eight targets. Further, anti-COVID-19/PF co-occurrence effects of kaempferol were associated with the regulation of inflammation, oxidative stress, immunity, virus infection, cell growth process and metabolism. EGFR, interleukin 17 (IL-17), tumor necrosis factor (TNF), hypoxia inducible factor 1 (HIF-1), phosphoinositide 3-kinase/AKT serine/threonine kinase (PI3K/AKT) and Toll-like receptor signaling pathways were identified as the key anti-COVID-19/PF co-occurrence pathways. Conclusion: Kaempferol is a candidate treatment for COVID-19/PF co-occurrence. The underlying mechanisms may be related to the regulation of critical targets (EGFR, SRC, MAPK3, MAPK1, MAPK8, AKT1, RELA, PIK3CA and so on) and EGFR, IL-17, TNF, HIF-1, PI3K/AKT and Toll-like receptor signaling pathways. This study contributes to guiding development of new drugs for COVID-19 and PF comorbidities.
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Affiliation(s)
- Yong Jiang
- Shenzhen Hospital of Integrated Traditional Chinese and Western Medicine, Shenzhen, China
| | - Yi-Zi Xie
- The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China.,The First Clinical Medical School, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Chen-Wen Peng
- The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China.,The First Clinical Medical School, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Kai-Nan Yao
- Shenzhen Bao'an District Traditional Chinese Medicine Hospital, Guangzhou University of Chinese Medicine, Shenzhen, China
| | - Xue-Ying Lin
- The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China.,The First Clinical Medical School, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Shao-Feng Zhan
- The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Hong-Fa Zhuang
- The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Hui-Ting Huang
- The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Xiao-Hong Liu
- The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Xiu-Fang Huang
- The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China.,Lingnan Medical Research Center of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Hang Li
- Shenzhen Bao'an District Traditional Chinese Medicine Hospital, Guangzhou University of Chinese Medicine, Shenzhen, China
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Nanotechnology Applications of Flavonoids for Viral Diseases. Pharmaceutics 2021; 13:pharmaceutics13111895. [PMID: 34834309 PMCID: PMC8625292 DOI: 10.3390/pharmaceutics13111895] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Revised: 10/14/2021] [Accepted: 11/01/2021] [Indexed: 12/14/2022] Open
Abstract
Recent years have witnessed the emergence of several viral diseases, including various zoonotic diseases such as the current pandemic caused by the Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2). Other viruses, which possess pandemic-causing potential include avian flu, Ebola, dengue, Zika, and Nipah virus, as well as the re-emergence of SARS (Severe Acute Respiratory Syndrome) and MERS (Middle East Respiratory Syndrome) coronaviruses. Notably, effective drugs or vaccines against these viruses are still to be discovered. All the newly approved vaccines against the SARS-CoV-2-induced disease COVID-19 possess real-time possibility of becoming obsolete because of the development of ‘variants of concern’. Flavonoids are being increasingly recognized as prophylactic and therapeutic agents against emerging and old viral diseases. Around 10,000 natural flavonoid compounds have been identified, being phytochemicals, all plant-based. Flavonoids have been reported to have lesser side effects than conventional anti-viral agents and are effective against more viral diseases than currently used anti-virals. Despite their abundance in plants, which are a part of human diet, flavonoids have the problem of low bioavailability. Various attempts are in progress to increase the bioavailability of flavonoids, one of the promising fields being nanotechnology. This review is a narrative of some anti-viral dietary flavonoids, their bioavailability, and various means with an emphasis on the nanotechnology system(s) being experimented with to deliver anti-viral flavonoids, whose systems show potential in the efficient delivery of flavonoids, resulting in increased bioavailability.
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