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Analysis of ICOS (CD278) Expression Left Panel - Two-color flow cytometric analysis of ICOS (CD278) expression on human peripheral blood mononuclear cells. Human PBMC were stained with APC Mouse Anti-Human CD3 antibody (Cat. No. 555335/561810/561811) and either no antibody (PE Autofluorescence Control; Top Plot) or PE Hamster Anti-ICOS (CD278) antibody (Cat. No. 565669; Bottom Plot). Two-color flow cytometric contour plots showing the correlated expression of ICOS (CD278) [or PE Autofluorescence] versus CD3 were derived from gated events with the forward and side light-scatter characteristics of viable lymphocytes. Right Panel - Multicolor flow cytometric analysis of ICOS (CD278) expression on mouse thymocytes. Mouse thymocytes were stained with BD Horizon™ V450 Rat anti-Mouse CD4 (Cat. No. 560468/560470) and APC-H7 Rat anti-Mouse CD8a (Cat. No. 560182/560247) antibodies, and either no antibody (PE Autofluorescence Control; dashed line histograms) or PE Hamster Anti-ICOS (CD278) antibody (solid line histograms). The fluorescence histograms showing ICOS (CD278) expression (or PE Autofluorescence) were derived from CD4 and CD8 gated events with the forward and side light-scatter characteristics of viable thymocytes as indicated. Flow cytometric analysis was performed using a BD FACSCanto™ II Flow Cytometer System.
BD Pharmingen™ PE Armenian Hamster Anti-ICOS (CD278)
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제품 고시
- Since applications vary, each investigator should titrate the reagent to obtain optimal results.
- Please refer to www.bdbiosciences.com/us/s/resources for technical protocols.
- Caution: Sodium azide yields highly toxic hydrazoic acid under acidic conditions. Dilute azide compounds in running water before discarding to avoid accumulation of potentially explosive deposits in plumbing.
- For fluorochrome spectra and suitable instrument settings, please refer to our Multicolor Flow Cytometry web page at www.bdbiosciences.com/colors.
- An isotype control should be used at the same concentration as the antibody of interest.
관련 제품
The C398.4A monoclonal antibody specifically binds to Inducible Costimulator (ICOS), which is also known as, CD278, Activation-inducible lymphocyte immunomediatory molecule (AILIM), or H4. ICOS is a type I transmembrane glycoprotein that forms a disulfide-linked homodimer and belongs to the CD28 family within the Ig superfamily. ICOS is expressed on either CD4+ or CD8+ single-positive mature thymocytes, T cells, or subsets of Innate Lymphoid Cells (ILC). Its expression is upregulated on activated T lymphocytes. ICOS is a costimulatory receptor that can bind to the B7-H2 ligand (CD275, ICOS-L) that is expressed on B cells, monocytes, macrophages, dendritic cells, and endothelial cells. ICOS plays a critical role in many types of T cell-dependent immunity. In the case of humoral immunity, for example, ICOS signaling is critical for the differentiation of T follicular helper (Tfh) cells and development of germinal centers. Although C398.4A was generated against mouse ICOS, this antibody reportedly crossreacts with human, rhesus, and rat ICOS.
개발 참고 자료 (11)
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Araujo LM, Fert I, Jouhault Q, et al. Increased production of interleukin-17 over interleukin-10 by treg cells implicates inducible costimulator molecule in experimental spondyloarthritis. Arthritis Rheum. 2014; 66(9):2412-2422. (Clone-specific: Flow cytometry). 참조 보기
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Brenchley JM, Vinton C, Tabb B, et al. Differential infection patterns of CD4+ T cells and lymphoid tissue viral burden distinguish progressive and nonprogressive lentiviral infections.. Blood. 2012; 120(20):4172-81. (Clone-specific: Flow cytometry). 참조 보기
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Buonfiglio D, Bragardo M, Bonissoni S, et al. Characterization of a novel human surface molecule selectively expressed by mature thymocytes, activated T cells and subsets of T cell lymphomas. Eur J Immunol. 1999; 29(9):2863-2879. (Clone-specific: Flow cytometry, Immunohistochemistry, Immunoprecipitation, Radioimmunoassay). 참조 보기
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Buonfiglio D, Bragardo M, Redoglia V, et al. The T cell activation molecule H4 and the CD28-like molecule ICOS are identical. Eur J Immunol. 2000; 30(12):3463-3467. (Clone-specific: Blocking, Flow cytometry). 참조 보기
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Chen Y, Shen S, Gorentla BK, Gao J, Zhong XP. Murine regulatory T cells contain hyperproliferative and death-prone subsets with differential ICOS expression. J Immunol. 2012; 188(4):1698-1707. (Clone-specific: Flow cytometry, Fluorescence activated cell sorting). 참조 보기
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Hutloff A, Dittrich AM, Beier KC, et al. ICOS is an inducible T-cell co-stimulator structurally and functionally related to CD28. Nature. 1999; 397(3716):263-266. (Biology). 참조 보기
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Klatt NR, Vinton CL, Lynch RM et al. SIV infection of rhesus macaques results in dysfunctional T- and B-cell responses to neo and recall Leishmania major vaccination. Blood. 2011; 118(22):5803-5812. (Clone-specific: Flow cytometry). 참조 보기
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McAdam AJ, Chang TT, Lumelsky AE, et al. Mouse inducible costimulatory molecule (ICOS) expression is enhanced by CD28 costimulation and regulates differentiation of CD4+ T cells.. J Immunol. 2000; 165(9):5035-40. (Biology). 참조 보기
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Redoglia V, Dianzani U, Rojo JM, et al. Characterization of H4: a mouse T lymphocyte activation molecule functionally associated with the CD3/T cell receptor. Eur J Immunol. 1996; 26(11):2781-2789. (Immunogen: Bioassay, (Co)-stimulation, Flow cytometry, Functional assay, Immunoprecipitation, Radioimmunoassay). 참조 보기
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Sonnenberg GF, Mjosberg J, Spits H, Artis D. SnapShot: innate lymphoid cells. Immunity. 2013; 39(3):622-623. (Biology). 참조 보기
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Xu H, Wang X, Lackner AA, Veazey RS. PD-1(HIGH) Follicular CD4 T Helper Cell Subsets Residing in Lymph Node Germinal Centers Correlate with B Cell Maturation and IgG Production in Rhesus Macaques. Front Biosci. 2014; 5(85):1-7. (Clone-specific: Flow cytometry). 참조 보기
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