Kinetics of activation marker expression after in vitro polyclonal stimulation of chicken peripheral T cells. 2022

Mohammad Naghizadeh, and Nasim Hatamzade, and Frederik T Larsen, and Rikke B Kjaerup, and Eva Wattrang, and Tina S Dalgaard
Department of Animal Science, Aarhus University, Tjele, Denmark.

A comprehensive analysis of T cell activation markers in chicken is lacking. Kinetics of T cell activation markers (CD25, CD28, CD5, MHC-II, CD44, and CD45) in response to in vitro stimulation of peripheral blood mononuclear cells with concanavalin A (Con A) were evaluated between two chicken lines selected for high and low levels of mannose-binding lectin in serum (L10H and L10L, respectively) by flow cytometry. L10H chickens showed a stronger response to Con A based on the frequency of T cell blasts in both the CD4+ and CD8+ compartment. The majority of the proliferating CD4+ and CD8+ T cells expressed CD25. Proliferating T cells were seen both in the CD4+  MHC-II+/- and CD8+  MHC-II+/- population. For both CD4+ and CD8+ T cells, frequencies of CD25+ and MHC-II+ T cells were increased 24 h after stimulation. CD28+ frequencies were only increased on CD8+ T cells 48 h after stimulation. An increase in the relative surface expression based on mean fluorescence intensity (MFI) upon activation was observed for most markers except CD5. For CD4+ T cells, CD28 expression increased 24 h after stimulation whereas MHC-II expression increased after 48 h. For CD8+ T cells, a tendency toward an increase in CD25 expression was observed. CD28 expression started to increase 24 h after stimulation and only a transient peak in MHC-II expression on CD8+ T cells was observed after 24 h. CD44 and CD45 expressed on CD4+ and CD8+ T cells increased 24-72 h after stimulation. In summary, the frequency of CD25+ and MHC-II+ T cells were shown to be early markers (24 h) for in vitro activation of both CD4+ and CD8+ T cells. Frequency of CD28+ T cells was a later marker (48 h) and only for CD8+ T cells. Surface expression of all markers (MFI) increased permanently or transiently upon activation except for CD5.

UI MeSH Term Description Entries
D007700 Kinetics The rate dynamics in chemical or physical systems.
D007963 Leukocytes, Mononuclear Mature LYMPHOCYTES and MONOCYTES transported by the blood to the body's extravascular space. They are morphologically distinguishable from mature granulocytic leukocytes by their large, non-lobed nuclei and lack of coarse, heavily stained cytoplasmic granules. Mononuclear Leukocyte,Mononuclear Leukocytes,PBMC Peripheral Blood Mononuclear Cells,Peripheral Blood Human Mononuclear Cells,Peripheral Blood Mononuclear Cell,Peripheral Blood Mononuclear Cells,Leukocyte, Mononuclear
D008213 Lymphocyte Activation Morphologic alteration of small B LYMPHOCYTES or T LYMPHOCYTES in culture into large blast-like cells able to synthesize DNA and RNA and to divide mitotically. It is induced by INTERLEUKINS; MITOGENS such as PHYTOHEMAGGLUTININS, and by specific ANTIGENS. It may also occur in vivo as in GRAFT REJECTION. Blast Transformation,Blastogenesis,Lymphoblast Transformation,Lymphocyte Stimulation,Lymphocyte Transformation,Transformation, Blast,Transformation, Lymphoblast,Transformation, Lymphocyte,Activation, Lymphocyte,Stimulation, Lymphocyte
D002645 Chickens Common name for the species Gallus gallus, the domestic fowl, in the family Phasianidae, order GALLIFORMES. It is descended from the red jungle fowl of SOUTHEAST ASIA. Gallus gallus,Gallus domesticus,Gallus gallus domesticus,Chicken
D005434 Flow Cytometry Technique using an instrument system for making, processing, and displaying one or more measurements on individual cells obtained from a cell suspension. Cells are usually stained with one or more fluorescent dyes specific to cell components of interest, e.g., DNA, and fluorescence of each cell is measured as it rapidly transverses the excitation beam (laser or mercury arc lamp). Fluorescence provides a quantitative measure of various biochemical and biophysical properties of the cell, as well as a basis for cell sorting. Other measurable optical parameters include light absorption and light scattering, the latter being applicable to the measurement of cell size, shape, density, granularity, and stain uptake. Cytofluorometry, Flow,Cytometry, Flow,Flow Microfluorimetry,Fluorescence-Activated Cell Sorting,Microfluorometry, Flow,Cell Sorting, Fluorescence-Activated,Cell Sortings, Fluorescence-Activated,Cytofluorometries, Flow,Cytometries, Flow,Flow Cytofluorometries,Flow Cytofluorometry,Flow Cytometries,Flow Microfluorometries,Flow Microfluorometry,Fluorescence Activated Cell Sorting,Fluorescence-Activated Cell Sortings,Microfluorimetry, Flow,Microfluorometries, Flow,Sorting, Fluorescence-Activated Cell,Sortings, Fluorescence-Activated Cell
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D018106 CD28 Antigens Costimulatory T-LYMPHOCYTE receptors that have specificity for CD80 ANTIGEN and CD86 ANTIGEN. Activation of this receptor results in increased T-cell proliferation, cytokine production and promotion of T-cell survival. Antigens, CD28,CD28 Antigen,T-Cell-Specific Surface Glycoprotein CD28,TP44 Receptor,Antigen, CD28,Receptor, TP44,T Cell Specific Surface Glycoprotein CD28
D018414 CD8-Positive T-Lymphocytes A critical subpopulation of regulatory T-lymphocytes involved in MHC Class I-restricted interactions. They include both cytotoxic T-lymphocytes (T-LYMPHOCYTES, CYTOTOXIC) and CD8+ suppressor T-lymphocytes. Suppressor T-Lymphocytes, CD8-Positive,T8 Cells,T8 Lymphocytes,CD8-Positive Lymphocytes,Suppressor T-Cells, CD8-Positive,CD8 Positive Lymphocytes,CD8 Positive T Lymphocytes,CD8-Positive Lymphocyte,CD8-Positive Suppressor T-Cell,CD8-Positive Suppressor T-Cells,CD8-Positive Suppressor T-Lymphocyte,CD8-Positive Suppressor T-Lymphocytes,CD8-Positive T-Lymphocyte,Cell, T8,Cells, T8,Lymphocyte, CD8-Positive,Lymphocyte, T8,Lymphocytes, CD8-Positive,Lymphocytes, T8,Suppressor T Cells, CD8 Positive,Suppressor T Lymphocytes, CD8 Positive,Suppressor T-Cell, CD8-Positive,Suppressor T-Lymphocyte, CD8-Positive,T-Cell, CD8-Positive Suppressor,T-Cells, CD8-Positive Suppressor,T-Lymphocyte, CD8-Positive,T-Lymphocyte, CD8-Positive Suppressor,T-Lymphocytes, CD8-Positive,T-Lymphocytes, CD8-Positive Suppressor,T8 Cell,T8 Lymphocyte

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