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Hao X, Zhang F, Yang Y, Shang S. The Evaluation of Cellular Immunity to Avian Viral Diseases: Methods, Applications, and Challenges. Front Microbiol 2021; 12:794514. [PMID: 34950125 PMCID: PMC8689181 DOI: 10.3389/fmicb.2021.794514] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2021] [Accepted: 11/19/2021] [Indexed: 11/29/2022] Open
Abstract
Cellular immune responses play critical roles in the control of viral infection. However, the immune protection against avian viral diseases (AVDs), a major challenge to poultry industry, is yet mainly evaluated by measuring humoral immune response though antibody-independent immune protection was increasingly evident in the development of vaccines against some of these diseases. The evaluation of cellular immune response to avian viral infection has long been neglected due to limited reagents and methods. Recently, with the availability of more immunological reagents and validated approaches, the evaluation of cellular immunity has become feasible and necessary for AVD. Herein, we reviewed the methods used for evaluating T cell immunity in chickens following infection or vaccination, which are involved in the definition of different cellular subset, the analysis of T cell activation, proliferation and cytokine secretion, and in vitro culture of antigen-presenting cells (APC) and T cells. The pros and cons of each method were discussed, and potential future directions to enhance the studies of avian cellular immunity were suggested. The methodological improvement and standardization in analyzing cellular immune response in birds after viral infection or vaccination would facilitate the dissection of mechanism of immune protection and the development of novel vaccines and therapeutics against AVD.
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Affiliation(s)
- Xiaoli Hao
- College of Veterinary Medicine, Yangzhou University, Yangzhou, China
- Institute of Comparative Medicine, Yangzhou University, Yangzhou, China
- Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonosis, Yangzhou University, Yangzhou, China
| | - Fan Zhang
- College of Veterinary Medicine, Yangzhou University, Yangzhou, China
| | - Yi Yang
- College of Veterinary Medicine, Yangzhou University, Yangzhou, China
- Institute of Comparative Medicine, Yangzhou University, Yangzhou, China
- Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonosis, Yangzhou University, Yangzhou, China
| | - Shaobin Shang
- College of Veterinary Medicine, Yangzhou University, Yangzhou, China
- Institute of Comparative Medicine, Yangzhou University, Yangzhou, China
- Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonosis, Yangzhou University, Yangzhou, China
- International Corporation Laboratory of Agriculture and Agricultural Products Safety, Yangzhou University, Yangzhou, China
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Hao X, Li S, Chen L, Dong M, Wang J, Hu J, Gu M, Wang X, Hu S, Peng D, Liu X, Shang S. Establishing a Multicolor Flow Cytometry to Characterize Cellular Immune Response in Chickens Following H7N9 Avian Influenza Virus Infection. Viruses 2020; 12:v12121396. [PMID: 33291218 PMCID: PMC7762099 DOI: 10.3390/v12121396] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Revised: 12/01/2020] [Accepted: 12/03/2020] [Indexed: 12/15/2022] Open
Abstract
Avian influenza virus (AIV) emerged and has continued to re-emerge, continuously posing great threats to animal and human health. The detection of hemagglutination inhibition (HI) or virus neutralization antibodies (NA) is essential for assessing immune protection against AIV. However, the HI/NA-independent immune protection is constantly observed in vaccines’ development against H7N9 subtype AIV and other subtypes in chickens and mammals, necessitating the analysis of the cellular immune response. Here, we established a multi-parameter flow cytometry to examine the innate and adaptive cellular immune responses in chickens after intranasal infection with low pathogenicity H7N9 AIV. This assay allowed us to comprehensively define chicken macrophages, dendritic cells, and their MHC-II expression, NK cells, γδ T cells, B cells, and distinct T cell subsets in steady state and during infection. We found that NK cells and KUL01+ cells significantly increased after H7N9 infection, especially in the lung, and the KUL01+ cells upregulated MHC-II and CD11c expression. Additionally, the percentages and numbers of γδ T cells and CD8 T cells significantly increased and exhibited an activated phenotype with significant upregulation of CD25 expression in the lung but not in the spleen and blood. Furthermore, B cells showed increased in the lung but decreased in the blood and spleen in terms of the percentages or/and numbers, suggesting these cells may be recruited from the periphery after H7N9 infection. Our study firstly disclosed that H7N9 infection induced local and systemic cellular immune responses in chickens, the natural host of AIV, and that the flow cytometric assay developed in this study is useful for analyzing the cellular immune responses to AIVs and other avian infectious diseases and defining the correlates of immune protection.
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Affiliation(s)
- Xiaoli Hao
- College of Veterinary Medicine, Yangzhou University, Yangzhou 225009, China; (X.H.); (S.L.); (L.C.); (M.D.); (J.W.); (J.H.); (M.G.); (X.W.); (S.H.); (D.P.)
- Institute of Comparative Medicine, Yangzhou University, Yangzhou 225009, China
| | - Shuai Li
- College of Veterinary Medicine, Yangzhou University, Yangzhou 225009, China; (X.H.); (S.L.); (L.C.); (M.D.); (J.W.); (J.H.); (M.G.); (X.W.); (S.H.); (D.P.)
| | - Lina Chen
- College of Veterinary Medicine, Yangzhou University, Yangzhou 225009, China; (X.H.); (S.L.); (L.C.); (M.D.); (J.W.); (J.H.); (M.G.); (X.W.); (S.H.); (D.P.)
| | - Maoli Dong
- College of Veterinary Medicine, Yangzhou University, Yangzhou 225009, China; (X.H.); (S.L.); (L.C.); (M.D.); (J.W.); (J.H.); (M.G.); (X.W.); (S.H.); (D.P.)
| | - Jiongjiong Wang
- College of Veterinary Medicine, Yangzhou University, Yangzhou 225009, China; (X.H.); (S.L.); (L.C.); (M.D.); (J.W.); (J.H.); (M.G.); (X.W.); (S.H.); (D.P.)
| | - Jiao Hu
- College of Veterinary Medicine, Yangzhou University, Yangzhou 225009, China; (X.H.); (S.L.); (L.C.); (M.D.); (J.W.); (J.H.); (M.G.); (X.W.); (S.H.); (D.P.)
- Institute of Comparative Medicine, Yangzhou University, Yangzhou 225009, China
| | - Min Gu
- College of Veterinary Medicine, Yangzhou University, Yangzhou 225009, China; (X.H.); (S.L.); (L.C.); (M.D.); (J.W.); (J.H.); (M.G.); (X.W.); (S.H.); (D.P.)
- Institute of Comparative Medicine, Yangzhou University, Yangzhou 225009, China
| | - Xiaoquan Wang
- College of Veterinary Medicine, Yangzhou University, Yangzhou 225009, China; (X.H.); (S.L.); (L.C.); (M.D.); (J.W.); (J.H.); (M.G.); (X.W.); (S.H.); (D.P.)
- Institute of Comparative Medicine, Yangzhou University, Yangzhou 225009, China
| | - Shunlin Hu
- College of Veterinary Medicine, Yangzhou University, Yangzhou 225009, China; (X.H.); (S.L.); (L.C.); (M.D.); (J.W.); (J.H.); (M.G.); (X.W.); (S.H.); (D.P.)
- Institute of Comparative Medicine, Yangzhou University, Yangzhou 225009, China
- Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonosis, Yangzhou University, Yangzhou 225009, China
| | - Daxin Peng
- College of Veterinary Medicine, Yangzhou University, Yangzhou 225009, China; (X.H.); (S.L.); (L.C.); (M.D.); (J.W.); (J.H.); (M.G.); (X.W.); (S.H.); (D.P.)
- Institute of Comparative Medicine, Yangzhou University, Yangzhou 225009, China
- Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonosis, Yangzhou University, Yangzhou 225009, China
| | - Xiufan Liu
- College of Veterinary Medicine, Yangzhou University, Yangzhou 225009, China; (X.H.); (S.L.); (L.C.); (M.D.); (J.W.); (J.H.); (M.G.); (X.W.); (S.H.); (D.P.)
- Institute of Comparative Medicine, Yangzhou University, Yangzhou 225009, China
- Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonosis, Yangzhou University, Yangzhou 225009, China
- International Corporation Laboratory of Agriculture and Agricultural Products Safety, Yangzhou University, Yangzhou 225009, China
- Correspondence: (X.L.); (S.S.); Tel.: +86-514-879-914-16 (X.L.); +86-514-879-770-81 (S.S.)
| | - Shaobin Shang
- College of Veterinary Medicine, Yangzhou University, Yangzhou 225009, China; (X.H.); (S.L.); (L.C.); (M.D.); (J.W.); (J.H.); (M.G.); (X.W.); (S.H.); (D.P.)
- Institute of Comparative Medicine, Yangzhou University, Yangzhou 225009, China
- Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonosis, Yangzhou University, Yangzhou 225009, China
- International Corporation Laboratory of Agriculture and Agricultural Products Safety, Yangzhou University, Yangzhou 225009, China
- Correspondence: (X.L.); (S.S.); Tel.: +86-514-879-914-16 (X.L.); +86-514-879-770-81 (S.S.)
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Bares AJ, Mejooli MA, Pender MA, Leddon SA, Tilley S, Lin K, Dong J, Kim M, Fowell DJ, Nishimura N, Schaffer CB. Hyperspectral multiphoton microscopy for in vivo visualization of multiple, spectrally overlapped fluorescent labels. OPTICA 2020; 7:1587-1601. [PMID: 33928182 PMCID: PMC8081374 DOI: 10.1364/optica.389982] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/12/2020] [Accepted: 09/30/2020] [Indexed: 05/17/2023]
Abstract
The insensitivity of multiphoton microscopy to optical scattering enables high-resolution, high-contrast imaging deep into tissue, including in live animals. Scattering does, however, severely limit the use of spectral dispersion techniques to improve spectral resolution. In practice, this limited spectral resolution together with the need for multiple excitation wavelengths to excite different fluorophores limits multiphoton microscopy to imaging a few, spectrally-distinct fluorescent labels at a time, restricting the complexity of biological processes that can be studied. Here, we demonstrate a hyperspectral multiphoton microscope that utilizes three different wavelength excitation sources together with multiplexed fluorescence emission detection using angle-tuned bandpass filters. This microscope maintains scattering insensitivity, while providing high enough spectral resolution on the emitted fluorescence and capitalizing on the wavelength-dependent nonlinear excitation of fluorescent dyes to enable clean separation of multiple, spectrally overlapping labels, in vivo. We demonstrated the utility of this instrument for spectral separation of closely-overlapped fluorophores in samples containing ten different colors of fluorescent beads, live cells expressing up to seven different fluorescent protein fusion constructs, and in multiple in vivo preparations in mouse cortex and inflamed skin with up to eight different cell types or tissue structures distinguished.
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Affiliation(s)
- Amanda J. Bares
- The Nancy E. and Peter C. Meinig School of Biomedical Engineering, Cornell University, Ithaca, NY 14853, USA
| | - Menansili A. Mejooli
- The Nancy E. and Peter C. Meinig School of Biomedical Engineering, Cornell University, Ithaca, NY 14853, USA
| | - Mitchell A. Pender
- The Nancy E. and Peter C. Meinig School of Biomedical Engineering, Cornell University, Ithaca, NY 14853, USA
| | - Scott A. Leddon
- Center for Vaccine Biology and Immunology, Dept. of Microbiology and Immunology, University of Rochester Medical Center, Rochester, NY 14642, USA
| | - Steven Tilley
- The Nancy E. and Peter C. Meinig School of Biomedical Engineering, Cornell University, Ithaca, NY 14853, USA
| | - Karen Lin
- The Nancy E. and Peter C. Meinig School of Biomedical Engineering, Cornell University, Ithaca, NY 14853, USA
| | - Jingyuan Dong
- The Nancy E. and Peter C. Meinig School of Biomedical Engineering, Cornell University, Ithaca, NY 14853, USA
| | - Minsoo Kim
- Center for Vaccine Biology and Immunology, Dept. of Microbiology and Immunology, University of Rochester Medical Center, Rochester, NY 14642, USA
| | - Deborah J. Fowell
- Center for Vaccine Biology and Immunology, Dept. of Microbiology and Immunology, University of Rochester Medical Center, Rochester, NY 14642, USA
| | - Nozomi Nishimura
- The Nancy E. and Peter C. Meinig School of Biomedical Engineering, Cornell University, Ithaca, NY 14853, USA
| | - Chris B. Schaffer
- The Nancy E. and Peter C. Meinig School of Biomedical Engineering, Cornell University, Ithaca, NY 14853, USA
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Sulen A, Islam S, Wolff ASB, Oftedal BE. The prospects of single-cell analysis in autoimmunity. Scand J Immunol 2020; 92:e12964. [PMID: 32869859 DOI: 10.1111/sji.12964] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2020] [Revised: 07/18/2020] [Accepted: 08/21/2020] [Indexed: 12/29/2022]
Abstract
In the last decade, there has been a tremendous development of technologies focused on analysing various molecular attributes in single cells, with an ever-increasing number of parameters becoming available at the DNA, RNA and protein levels. Much of this progress has involved cells in suspension, but also in situ analysis of tissues has taken great leaps. Paralleling the development in the laboratory, and because of increasing complexity, the analysis of single-cell data is also constantly being updated with new algorithms and analysis platforms. Our immune system shares this complexity, and immunologists have therefore been in the forefront of this technological development. These technologies clearly open new avenues for immunology research, maybe particularly within autoimmunity where the interaction between the faulty immune system and the thymus or the target organ is important. However, the technologies currently available can seem overwhelming and daunting. The aim of this review is to remedy this by giving a balanced overview of the prospects of using single-cell analysis in basal and clinical autoimmunity research, with an emphasis on endocrine autoimmunity.
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Affiliation(s)
- André Sulen
- KG Jebsen Center for Autoimmune Disorders, University of Bergen, Bergen, Norway.,Department of Clinical Science, University of Bergen, Bergen, Norway
| | - Shahinul Islam
- KG Jebsen Center for Autoimmune Disorders, University of Bergen, Bergen, Norway.,Department of Clinical Science, University of Bergen, Bergen, Norway.,Department of Medicine, Haukeland University Hospital, Bergen, Norway
| | - Anette S B Wolff
- KG Jebsen Center for Autoimmune Disorders, University of Bergen, Bergen, Norway.,Department of Clinical Science, University of Bergen, Bergen, Norway.,Department of Medicine, Haukeland University Hospital, Bergen, Norway
| | - Bergithe E Oftedal
- KG Jebsen Center for Autoimmune Disorders, University of Bergen, Bergen, Norway.,Department of Clinical Science, University of Bergen, Bergen, Norway
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Abstract
One of the most noticeable changes in T-cell immunity with aging is the expansion of memory CD8+ T cells, with a decline in naïve phenotype T cells that reflects both diminished thymopoiesis and the effects of chronic antigenic stimulation with age. Flow cytometry is a useful tool in evaluating immune cells including the phenotype characteristics of different T-cell subsets. Here, we show flow cytometric methods measuring the different subsets of human CD8+ T cells that change with aging.
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Affiliation(s)
- Min Sun Shin
- Section of Rheumatology, Department of Internal Medicine, Yale School of Medicine, 300 Cedar Street, New Haven, CT, 06520, USA
| | - Insoo Kang
- Section of Rheumatology, Department of Internal Medicine, Yale School of Medicine, 300 Cedar Street, New Haven, CT, 06520, USA.
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Szalóki G, Goda K. Compensation in multicolor flow cytometry. Cytometry A 2015; 87:982-5. [DOI: 10.1002/cyto.a.22736] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2015] [Accepted: 07/23/2015] [Indexed: 01/08/2023]
Affiliation(s)
- Gábor Szalóki
- Department of Biophysics and Cell Biology; Faculty of Medicine, University of Debrecen; Debrecen H-4032 Hungary
| | - Katalin Goda
- Department of Biophysics and Cell Biology; Faculty of Medicine, University of Debrecen; Debrecen H-4032 Hungary
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Abstract
Introduction: Rheumatoid arthritis (RA) is a systemic inflammatory disease that causes increased morbidity and mortality. The treatment of the disease has considerably advanced with the addition of biological agents targeting pro-inflammatory cytokines such as tumor necrosis factor (TNF). Adalimumab (ADA) is one of the currently available five TNF inhibitors for clinical use in RA. It is a fully humanized monoclonal antibody which may be prescribed as monotherapy or in combination with methotrexate or other disease-modifying antirheumatic drugs. Areas covered: This review summarizes the recent available data on efficacy and safety of ADA in patients with early and established RA as well as improvement of quality of life and finally we provide data on biologic drug comparison. Expert opinion: ADA has been evaluated in various randomized placebo-controlled trials in RA, prospective observational studies as well as open-label extensions of the original double-blind trials providing experience and data about the long-term efficacy and safety of the drug. Effectiveness of the drug is sustained, while in most cases RA patients treated with ADA experienced a slower radiographic progression and consequently less disability and improved health-related quality of life outcomes. Clinical trials demonstrated no new safety signals and a safety profile consistent with that of the anti-TNF class.
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Affiliation(s)
- Paraskevi V Voulgari
- University of Ioannina Medical School, Department of Internal Medicine, Rheumatology Clinic , 45110 Ioannina , Greece
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