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Li M, Luo H, Huang Z, Qi J, Yu B. Screening and Identification of Anti-Inflammatory Compounds from Erdong Gao via Multiple-Target-Cell Extraction Coupled with HPLC-Q-TOF-MS/MS and Their Structure-Activity Relationship. MOLECULES (BASEL, SWITZERLAND) 2022; 28:molecules28010295. [PMID: 36615494 PMCID: PMC9822190 DOI: 10.3390/molecules28010295] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/19/2022] [Revised: 12/18/2022] [Accepted: 12/28/2022] [Indexed: 01/04/2023]
Abstract
Erdong Gao (EDG), consisting equally of roots of Asparagi Radix and Ophiopogonis Radix, is a well-known traditional Chinese formulation that has been used to treat cough and throat pain for centuries. However, the bioactive components in EDG remain to be elucidated. In this study, a rapid and effective method involving live cell bio-specific extraction and HPLC-Q-TOF-MS/MS was established to rapidly screen and identify the anti-inflammatory compounds of an EDG extract. One hundred and twenty-four components were identified in EDG extract using HPLC-Q-TOF-MS/MS analysis. After co-incubation with 16HBE, HPAEpiCs and HUVECs, which have been validated as the key target cells for pulmonary diseases, sixteen components were demonstrated to exhibit an affinity for binding to them. Furthermore, fifteen components were subsequently verified to exert anti-inflammatory effects on lipopolysaccharide (LPS)-induced 16HBE, HPAEpiCs and HUVECs via inhibiting the release of TNF-α and IL-6, indicating that nine steroidal saponins may possess potential for the treatment of lung-related diseases. Taken together, our study provides evidence that live cell biospecific extraction combined with the HPLC-Q-TOF-MS/MS technique was an efficient method for rapid screening potential bioactive components in traditional Chinese medicines and the structure activity relationship of steroidal saponins in EDG was summarized for the first time.
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Affiliation(s)
| | | | | | - Jin Qi
- Correspondence: (J.Q.); (B.Y.)
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Zhang Y, Yang J, Liu P, Zhang RJ, Li JD, Bi YH, Li Y. Regulatory role of ncRNAs in pulmonary epithelial and endothelial barriers: Molecular therapy clues of influenza-induced acute lung injury. Pharmacol Res 2022; 185:106509. [DOI: 10.1016/j.phrs.2022.106509] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/31/2022] [Revised: 09/23/2022] [Accepted: 10/10/2022] [Indexed: 10/31/2022]
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Cao M, Yang J, Wang X, Hu W, Xie X, Zhao Y, Liu M, Wei Y, Yu M, Hu T. Sophora subprostrate polysaccharide regulates histone acetylation to inhibit inflammation in PCV2-infected murine splenic lymphocytes in vitro and in vivo. Int J Biol Macromol 2021; 191:668-678. [PMID: 34560152 DOI: 10.1016/j.ijbiomac.2021.09.119] [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: 11/12/2020] [Revised: 09/10/2021] [Accepted: 09/18/2021] [Indexed: 11/26/2022]
Abstract
Porcine circovirus type 2 (PCV2) has caused large economic losses in the swine industry worldwide; therefore, research on relevant therapeutic medicines is still urgently needed. To define the relationship between histone acetylation and inflammation induced by PCV2, we investigated whether traditional Chinese medicinal polysaccharides could alleviate viral infection by regulating histone acetylation. In this study, Sophora subprostrate polysaccharide (SSP)-treated PCV2-infected murine splenic lymphocytes in vitro and murine spleen in vivo were used to explore the regulatory effects of SSP on inflammation and histone acetylation caused by PCV2. SSP at different concentrations significantly reduced the secretion levels of the proinflammatory cytokines TNF-α and IL-6, the activity of COX-2, the mRNA expression levels of TNF-α, IL-6, iNOS and COX-2 and the protein expression levels of iNOS and COX-2 but promoted the secretion and mRNA expression levels of IL-10. Furthermore, the different concentrations of SSP significantly regulated the activity of histone acetylase (HAT) and the mRNA expression of HAT1, increased the activity of histone deacetylase (HDAC) and the mRNA expression of HDAC1 and reduced the protein expression levels of Ac-H3 and Ac-H4. Overall, SSP inhibited inflammation in PCV2-infected murine splenic lymphocytes by regulating histone acetylation in vitro and in vivo, thus playing an important role in PCV2 infection.
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Affiliation(s)
- Mixia Cao
- College of Animal Science and Technology, Guangxi University, Nanning 530004, PR China
| | - Jian Yang
- College of Animal Science and Technology, Guangxi University, Nanning 530004, PR China; College of Animal Science, Guizhou University, Guiyang 550025, PR China
| | - Xinrui Wang
- College of Animal Science and Technology, Guangxi University, Nanning 530004, PR China
| | - Wenyue Hu
- School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, Shanghai 200030, PR China
| | - Xiaodong Xie
- College of Animal Science and Technology, Guangxi University, Nanning 530004, PR China
| | - Yi Zhao
- College of Animal Science and Technology, Guangxi University, Nanning 530004, PR China
| | - Mengqian Liu
- College of Animal Science and Technology, Guangxi University, Nanning 530004, PR China
| | - Yingyi Wei
- College of Animal Science and Technology, Guangxi University, Nanning 530004, PR China
| | - Meiling Yu
- College of Animal Science and Technology, Guangxi University, Nanning 530004, PR China
| | - Tingjun Hu
- College of Animal Science and Technology, Guangxi University, Nanning 530004, PR China.
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Talat S, Abouelmaatti RR, Almeer R, Abdel-Daim MM, Elfeil WK. Comparison of the Effectiveness of Two Different Vaccination Regimes for Avian Influenza H9N2 in Broiler Chicken. Animals (Basel) 2020; 10:E1875. [PMID: 33066560 PMCID: PMC7602138 DOI: 10.3390/ani10101875] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2020] [Revised: 10/08/2020] [Accepted: 10/09/2020] [Indexed: 12/16/2022] Open
Abstract
Low pathogenic avian influenza virus is one of the major threats that has been affecting the poultry industry in the Middle East region for decades. Attempts to eradicate this disease have failed. Currently, there are commercial vaccines that are either imported or produced locally from recently circulating isolates of H9N2 in Egypt and Middle Eastern countries. This present work focused on comparing the effectiveness of two vaccines belonging to these categories in Egypt. Two commercial broiler flocks (Cobb-500 Broiler) with maternally derived immunity (MDA) against H9N2 virus were employed and placed under normal commercial field conditions or laboratory conditions. Immunity was evaluated on the basis of detectable humoral antibodies against influenza H9N2 virus, and challenge was conducted at 28 days of life using a recent wild H9N2 virus. The results showed that vaccination on the 7th day of life provided significantly higher immune response in both vaccine types, with significantly lower virus shedding compared to vaccination at day 1 of life, regardless of field or laboratory conditions. In addition, the vaccine produced from a recent local H9N2 isolate (MEFLUVAC-H9-16) provided a significantly higher humoral immune response under both field and laboratory conditions, as measured by serology and virus shedding (number of shedders and amount of shedding virus), being significantly lower following challenge on the 28th day of life, contrary to the imported H9 vaccine. In conclusion, use of H9N2 vaccine at 7 days of life provided a significantly higher protection than vaccination at day 1 of life in birds with MDA, suggesting vaccination regimes between 5-8-days of life for broiler chicks with MDA. Moreover, use of a vaccine prepared from a recently circulating H9N2 virus showed significantly higher protection and was more suitable for birds in the Middle East.
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Affiliation(s)
- Shaimaa Talat
- Department of Birds and Rabbits Medicine, Faculty of Veterinary Medicine, Sadat City University, Menoufiya 32958, Egypt;
| | - Reham R. Abouelmaatti
- Department of Animal Epidemiology and Zoonosis, Sharkia Veterinary Directorate, General Organization of Veterinary Services (GOVS), Ministry of Agriculture, Sharkia 44511, Egypt;
| | - Rafa Almeer
- Department of Zoology, College of Science, King Saud University, Riyadh 11451, Saudi Arabia; (R.A.); (M.M.A.-D.)
| | - Mohamed M. Abdel-Daim
- Department of Zoology, College of Science, King Saud University, Riyadh 11451, Saudi Arabia; (R.A.); (M.M.A.-D.)
- Pharmacology Department, Faculty of Veterinary Medicine, Suez Canal University, Ismailia 41522, Egypt
| | - Wael K. Elfeil
- Avian and Rabbit Medicine Department, Faculty of Veterinary Medicine, Suez Canal University, Ismailia 41522, Egypt
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Kaur G, Batra S. Regulation of DNA methylation signatures on NF-κB and STAT3 pathway genes and TET activity in cigarette smoke extract-challenged cells/COPD exacerbation model in vitro. Cell Biol Toxicol 2020; 36:459-480. [PMID: 32342329 DOI: 10.1007/s10565-020-09522-8] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2019] [Accepted: 03/19/2020] [Indexed: 02/08/2023]
Abstract
BACKGROUND Chronic obstructive pulmonary disease (COPD) is a global health problem. Currently, there is a lack of knowledge about the pathobiology of this disease and available therapies are ineffective. Cigarette smoking is the leading cause of COPD; however, not all smokers develop COPD. Exacerbations of COPD caused by microbes are common and detrimental. Approximately 20-50% of patient exacerbations are caused by bacterial colonization in the lower airways. It is generally accepted that epigenetic mechanisms, especially DNA methylation, play an important role during progression of COPD. Thus, we hypothesized that DNA methylation patterns vary significantly following smoke exposure and during exacerbations caused by bacterial infections. To test our hypothesis, we used an in vitro study model that mimics COPD exacerbations and performed extensive studies to understand the role of CpG promoter methylation of NF-κB and STAT3-mediated pathway genes. Both NF-κB and STAT3 transcription factors play critical roles in orchestrating inflammatory responses during cigarette smoke exposure. In brief, human lung adenocarcinoma cells with type II alveolar epithelium characteristics (A549) were challenged with cigarette smoke extract (CSE) or DMSO (control) followed by a 3-h challenge with bacterial lipopolysaccharide (LPS; from Pseudomonas aeruginosa) prior to the termination of CSE exposure (COPD exacerbation group). The production of cytokines/chemokines, regulation of transcription factors, and DNA methylation of specific genes were then assessed. We also studied changes in the expression and activity of ten-eleven translocases (TETs), the enzymes responsible for DNA demethylation, and assessed their role in regulating DNA methylation in the CSE-challenged group. RESULTS There was a significant increase in the release of cytokines/chemokines (IL-8, MCP-1, IL-6 and CCL5) in the COPD exacerbation group as compared to the control group. Hypomethylation of NF-κB-mediated pathway genes correlated with their induction in our COPD exacerbation study model. Further, we observed an important role of TET1/2 in regulating the DNA methylation of NF-κB, STAT3, IKK, and NIK genes and cytokine/chemokine production by A549 cells during CSE challenge. CONCLUSIONS Studies to further define the role of TETs in CSE-mediated epigenetic regulation may lead to the development of better and more effective therapeutic intervention strategies for COPD.
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Affiliation(s)
- Gagandeep Kaur
- Laboratory of Pulmonary Immunotoxicology, Department of Environmental Toxicology, Southern University and A&M College, Baton Rouge, LA, 70813, USA
| | - Sanjay Batra
- Laboratory of Pulmonary Immunotoxicology, Department of Environmental Toxicology, Southern University and A&M College, Baton Rouge, LA, 70813, USA.
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Li Z, Li L, Zhao S, Li J, Zhou H, Zhang Y, Yang Z, Yuan B. Re-understanding anti-influenza strategy: attach equal importance to antiviral and anti-inflammatory therapies. J Thorac Dis 2018; 10:S2248-S2259. [PMID: 30116604 DOI: 10.21037/jtd.2018.03.169] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The direct replication of influenza virus is not the only cause of harm to human health; influenza infection leading to a hyper-inflammatory immune response can also result in serious conditions. So, the treatment strategy for influenza needs to keep balance between antivirus and anti-inflammation. Herein, we review the treatment strategies of anti-influenza drugs and traditional Chinese medicines.
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Affiliation(s)
- Zhengtu Li
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, First Affiliated Hospital of Guangzhou Medical University, (Guangzhou Medical University), Guangzhou 510120, China
| | - Li Li
- Department of Respiration, The First Hospital of Yulin, Yulin 719000, China
| | - Shuai Zhao
- Department of Emergency, The Second Clinical College of Guangzhou University of Chinese Medicine, Guangzhou 510120, China
| | - Jing Li
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, First Affiliated Hospital of Guangzhou Medical University, (Guangzhou Medical University), Guangzhou 510120, China
| | - Hongxia Zhou
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, First Affiliated Hospital of Guangzhou Medical University, (Guangzhou Medical University), Guangzhou 510120, China
| | - Yunhui Zhang
- Department of Respiration, First People's Hospital of Yunnan Province, Yunnan 650032, China
| | - Zifeng Yang
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, First Affiliated Hospital of Guangzhou Medical University, (Guangzhou Medical University), Guangzhou 510120, China.,Department of Faculty of Chinese Medicine, Macau University of Science and Technology, Macau 519020, China
| | - Bing Yuan
- State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, First Affiliated Hospital of Guangzhou Medical University, (Guangzhou Medical University), Guangzhou 510120, China.,Department of Respiration, First People's Hospital of Yunnan Province, Yunnan 650032, China
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Luo C, Liu J, Qi W, Ren X, Lu R, Liao M, Ning Z. Dynamic analysis of expression of chemokine and cytokine gene responses to H5N1 and H9N2 avian influenza viruses in DF-1 cells. Microbiol Immunol 2018; 62:327-340. [PMID: 29577370 DOI: 10.1111/1348-0421.12588] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2017] [Revised: 02/02/2018] [Accepted: 03/14/2018] [Indexed: 11/28/2022]
Abstract
H5N1 and H9N2 are the most important causes of avian influenza in China. Chemokines and cytokines play important roles in inflammatory response that clearly differ between H5N1 and H9N2 infection. To investigate whether chemokines and cytokines are differentially regulated following H5N1 and H9N2 AIVs infection, dynamic expression of chemokines and cytokines, including IL8L1, IL8L2, CX3CL1, CCL5, CCL20, K203, SCYA4, XLC1, CCLi10, CCL19, IFN-α, IFN-β, IL-1β, IL-6 and TNF-α, were analyzed by real-time quantitative RT-PCR in DF-1 cells. It was found that IL8L1, IL8L2, CX3CL1, CCL5, CCL20, K203, SCYA4, IFN-α, IFN-β, IL-1β, IL-6 and TNF-α increased significantly after induction of H5N1 or H9N2 AIV infection, whereas no expression of XCL1, CCLi10 or CCL19 was detected. H9N2 AIV infection was associated with much stronger chemokine responses than infection with H5N1, whereas the cytokines showed opposite results. It was found that K203 is a constant chemotactic factor independent of subtype of AIVs and infectious dose, CCL20 and IL-1β are constant regardless of the infectious dose but depend on the subtype of AIV, chemotactic factors IL8L1, IL8L2 and CCL5 are dependent both on subtype of AIVs and infectious dose, and K203, CX3CL1, SCYA4, CCL20, IFN-α, IL-1β and TNF-α are specific to responses to H5N1 AIV infection whereas K203, CCL20, IFN-β, IL-1β and IL-6 are specific to H9N2 infection. These results provide basic data for explaining differences in inflammation and phenotypes of histopathological changes caused by H5N1 and H9N2 and add new information on the roles of chemokines and cytokines in virulence of AIVs.
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Affiliation(s)
- Chang Luo
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, 510642, China
| | - Jianxin Liu
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, 510642, China
| | - Wenbao Qi
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, 510642, China
| | - Xujiao Ren
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, 510642, China
| | - Rong Lu
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, 510642, China
| | - Ming Liao
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, 510642, China
| | - Zhangyong Ning
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, 510642, China
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Sun H, Yao W, Wang K, Qian Y, Chen H, Jung YS. Inhibition of neddylation pathway represses influenza virus replication and pro-inflammatory responses. Virology 2018; 514:230-239. [DOI: 10.1016/j.virol.2017.11.004] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2017] [Revised: 11/01/2017] [Accepted: 11/06/2017] [Indexed: 02/08/2023]
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A brief summary of the epidemiology and genetic relatedness of avian influenza H9N2 virus in birds and mammals in the Middle East and North Africa. Epidemiol Infect 2017; 145:3320-3333. [PMID: 29168447 DOI: 10.1017/s0950268817002576] [Citation(s) in RCA: 65] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
H9N2 is the most widespread avian influenza virus subtype in poultry worldwide. It infects a broad spectrum of host species including birds and mammals. Infections in poultry and humans vary from silent to fatal. Importantly, all AIV, which are fatal in humans (e.g. H5N1, H7N9) acquired their 'internal' gene segments from H9N2 viruses. Although H9N2 is endemic in the Middle East (ME) and North Africa since the late 1990s, little is known about its epidemiology and genetics on a regional level. In this review, we summarised the epidemiological situation of H9N2 in poultry and mammals in Iran, Iraq, Kuwait, Qatar, United Arab Emirates, Oman, Bahrain, Yemen, Saudi Arabia, Jordan, Palestine, Israel, Syria, Lebanon, Turkey, Egypt, Sudan, Libya, Tunisia, Algeria and Morocco. The virus has been isolated from humans in Egypt and serosurveys indicated widespread infection particularly among poultry workers and pigs in some countries. Some isolates replicated well in experimentally inoculated dogs, mice, hamsters and ferrets. Insufficient protection of immunised poultry was frequently reported most likely due to concurrent viral or bacterial infections and antigenic drift of the field viruses from outdated vaccine strains. Genetic analysis indicated several distinct phylogroups including a panzootic genotype in the Asian and African parts of the ME, which may be useful for the development of vaccines. The extensive circulation of H9N2 for about 20 years in this region where the H5N1 virus is also endemic in some countries, poses a serious public health threat. Regional surveillance and control strategy are highly recommended.
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Jantová S, Paulovičová E, Paulovičová L, Topoľská D, Pánik M, Milata V. Assessment of Immunomodulatory Activities andin vitroToxicity of New Quinolone 7-ethyl 9-ethyl-6-oxo-6,9-dihydro[1,2,5]selenadiazolo[3,4-h]quinoline-7-carboxylate. Immunol Invest 2017; 46:341-360. [DOI: 10.1080/08820139.2017.1280050] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Gui B, Chen Q, Hu C, Zhu C, He G. Effects of calcitriol (1, 25-dihydroxy-vitamin D3) on the inflammatory response induced by H9N2 influenza virus infection in human lung A549 epithelial cells and in mice. Virol J 2017; 14:10. [PMID: 28114957 PMCID: PMC5259864 DOI: 10.1186/s12985-017-0683-y] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2016] [Accepted: 01/16/2017] [Indexed: 12/29/2022] Open
Abstract
Background H9N2 influenza viruses circulate globally and are considered to have pandemic potential. The hyper-inflammatory response elicited by these viruses is thought to contribute to disease severity. Calcitriol plays an important role in modulating the immune response to viral infections. However, its unknown whether calcitriol can attenuate the inflammatory response elicited by H9N2 influenza virus infection. Methods Human lung A549 epithelial cells were treated with calcitriol (100 nM) and then infected with an H9N2 influenza virus, or infected and then treated with calcitriol (30 nM). Culture supernatants were collected every 24 h post infection and the viral growth kinetics and inflammatory response were evaluated. Calcitriol (5 mg/kg) was administered daily by intraperitoneal injection to BABL/c mice for 15 days following H9N2 influenza virus infection. Mice were monitored for clinical signs of disease, lung pathology and inflammatory responses. Results Calcitriol treatment prior to and post infection with H9N2 influenza significantly decreased expression of the influenza M gene, IL-6, and IFN-β in A549 cells, but did not affect virus replication. In vivo, we found that calcitriol treatment significantly downregulated pulmonary inflammation in mice 2 days post-infection, but increased the inflammatory response 4 to 6 days post-infection. In contrast, the antiviral cytokine IFN-β was significantly higher in calcitriol-treated mice than in the untreated infected mice at 2 days post-infection, but lower than in untreated infected mice on days 4 and 8 post-infection. The elevated levels of pro-inflammatory cytokines and the decreased levels of antiviral cytokine are consistent with the period of maximum body weight loss and the lung damage in calcitriol-treated mice. Conclusions These results suggest that calcitriol treatment might have a negative impact on the innate immune response elicited by H9N2 infection in mice, especially at the later stage of influenza virus infection. This study will provide some novel insights into the use of calcitriol to modulate the inflammatory response elicited by influenza virus infection in humans.
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Affiliation(s)
- Boxiang Gui
- School of Life Sciences, East China Normal University, Shanghai, 200062, People's Republic of China
| | - Qin Chen
- School of Life Sciences, East China Normal University, Shanghai, 200062, People's Republic of China
| | - Chuanxia Hu
- School of Life Sciences, East China Normal University, Shanghai, 200062, People's Republic of China
| | - Caihui Zhu
- School of Life Sciences, East China Normal University, Shanghai, 200062, People's Republic of China
| | - Guimei He
- School of Life Sciences, East China Normal University, Shanghai, 200062, People's Republic of China.
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Yu G, Liang W, Liu J, Meng D, Wei L, Chai T, Cai Y. Proteomic Analysis of Differential Expression of Cellular Proteins in Response to Avian H9N2 Virus Infection of A549 Cells. Front Microbiol 2016; 7:1962. [PMID: 28018302 PMCID: PMC5156691 DOI: 10.3389/fmicb.2016.01962] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2016] [Accepted: 11/23/2016] [Indexed: 01/11/2023] Open
Abstract
In this study, differentially expressed proteins in A549 cells (human lung adenocarcinoma epithelial cell line) infected with H9N2 avian influenza virus (AIV) were investigated by two-dimensional electrophoresis (2-DE). Sixteen different spots between the groups (ratio > 2, p < 0.05) were identified with mass spectrometry identification. Proteins located in the downstream of the NF-κB and IFN transcription factor pathways were identified, e.g., ISG15. Actin and keratin were also identified, suggesting that the cytoskeleton may plays an important role in the AIV infection of mammalian cells. These findings could provide insights into the interaction between host and influenza viruses and might provide valuable information for clarifying the pathogenesis of viral infections as well.
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Affiliation(s)
- Guanliu Yu
- College of Veterinary Medicine, Shandong Agricultural University, Sino-German Cooperative Research Centre for Zoonosis of Animal Origin Shandong Province Tai'an, China
| | - Wei Liang
- College of Veterinary Medicine, Shandong Agricultural University, Sino-German Cooperative Research Centre for Zoonosis of Animal Origin Shandong Province Tai'an, China
| | - Jiyuan Liu
- College of Veterinary Medicine, Shandong Agricultural University, Sino-German Cooperative Research Centre for Zoonosis of Animal Origin Shandong Province Tai'an, China
| | - Dan Meng
- College of Veterinary Medicine, Shandong Agricultural University, Sino-German Cooperative Research Centre for Zoonosis of Animal Origin Shandong Province Tai'an, China
| | - Liangmeng Wei
- College of Veterinary Medicine, Shandong Agricultural University, Sino-German Cooperative Research Centre for Zoonosis of Animal Origin Shandong Province Tai'an, China
| | - Tongjie Chai
- College of Veterinary Medicine, Shandong Agricultural University, Sino-German Cooperative Research Centre for Zoonosis of Animal Origin Shandong Province Tai'an, China
| | - Yumei Cai
- College of Veterinary Medicine, Shandong Agricultural University, Sino-German Cooperative Research Centre for Zoonosis of Animal Origin Shandong Province Tai'an, China
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