Biolegend LEAF Purified Human CD28单抗302913302914-耗材-金山科研平台 | corning康宁一级代理 | Falcon、BioCoat、Matrigel 、Gentest、Corning、Axygen、Gosselin、PYREX官网

Biolegend LEAF Purified Human CD28单抗302913302914

2023-12-12

Biolegend LEAF Purified Human CD28单抗302913

产品型号：302914

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Biolegend LEAF Purified Human CD28单抗302913302913 规格：50ug302914 规格：500ug302923 规格：1mg现货！

金山科研平台授权代理，咨询微信：jinshanbio

Biolegend LEAF Purified Human CD28单抗302913

Clone:	CD28.2(See other available formats)
Isotype:	Mouse IgG1, κ
Isotype Control:	LEAF™Purified Mouse IgG1, κ Isotype Ctrl
WorkshopNumber:	V-CD28.05
Reactivity:	Human,Cross-Reactivity:Chimpanzee, Baboon, Cynomolgus, Rhesus, Pigtailed Macaque, Squirrel Monkey, Capuchin Monkey, Sooty Mangabey
Formulation:	0.2 µm filtered in phosphate-buffered solution, pH 7.2, containing no preservative. Endotoxin level is <0.1 EU/µg of the protein (<0.01 ng/µg of the protein) as determined by the LAL test.
Preparation:	The LEAF™ (Low Endotoxin, Azide-Free) antibody was purified by affinity chromatography.
Concentration:	1.0 mg/ml

Biolegend LEAF Purified Human CD28单抗302913

Storage & Handling:	The CD28 antibody solution should be stored undiluted between 2°C and 8°C. This LEAF™ solution contains no preservative; handle under aseptic conditions.
Application:	FC -Quality testedCostim, IP, IHC -Reported in the literature
Recommended Usage:	Each lot of this antibody is quality control tested byimmunofluorescent staining with flow cytometric analysis. For flow cytometric staining, the suggested use of this reagent is ≤1.0 µg per million cells in 100 µl volume or 100 µl of whole blood. It is recommended that the reagent be titrated for optimal performance for each application.
ApplicationNotes:	Additional reported applications (for the relevant formats) include: immunoprecipitation, immunohistochemical staining of acetone-fixed frozen tissue sections⁴, andin vitroT cell costimulation^5-8. This clone was tested in-house and does not work on formalin fixed paraffin-embedded (FFPE) tissue. The CD28.2 antibody co-stimulates T cell proliferation and cytokine production in the presence of suboptimal amounts of anti-CD3 antibody. The LEAF™ purified antibody (Endotoxin <0.1 EU/μg, Azide-Free, 0.2 μm filtered) is recommended for functional assays (Cat. No. 302914). For highly sensitive assays, we recommend Ultra-LEAF™ purified antibody (Cat. No. 302934) with a lower endotoxin limit than standard LEAF™ purified antibodies (Endotoxin <0.01 EU/µg).
ApplicationReferences:	1. Schlossman S,et al.Eds. 1995. Leucocyte Typing V. Oxford University Press. New York.2. Nunes J,et al.1993.Biochem. J.293:835.3. Calea-Lauri J,et al.1999.J. Immunol.163:62.4. Tazi A,et al.1999.J. Immunol.163:3511. (IHC)5. Marti F,et al.2001.J. Immunol.166:197. (Costim)6. Jeong SH,et al.2004.J. Virol.78:6995. (Costim)7. Rivollier A,et al.2004.Blood104:4029. (Costim)8. Scharschmidt E,et al.2004.Mol. Cell Biol.24:3860. (Costim)9. Sheng W,et al.2007.Elsevier580:6819.PubMed10. Mitsuhashi M. 2007.Clin Chem.53:148.PubMed11. Ye Z,et al.2008.Infect. Immun.76:2541.PubMed12. Magatti M,et al.2008.Stem Cells26:182. (FA)PubMed
	Publication Library

Human peripheral blood lymphocytes stained with LEAF™ purified CD28.2, followed by anti-mouse IgGs FITC

Human peripheral blood mononuclear cells were stained with CFSE on day 0, and then stimulated with (filled histogram) or without (open histogram) immobilized LEAF™ Purified CD3 (clone UCHT1) and LEAF™ purified CD28 (clone CD28.2) for 3 days. On day 4, cells were harvested and stained with CD4 Brilliant Violet 711™. Dot plot (above) was analyzed on live cells. Histogram data (below) was analyzed by gating on CD4 positive cells.

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Antigen Details

Description:	CD28 is a 44 kD disulfide-linked homodimeric type I glycoprotein. It is a member of the immunoglobulin superfamily and is also known as T44 or Tp44. CD28 is expressed on most T lineage cells, NK cell subsets, and plasma cells. CD28 binds both CD80 and CD86 using a highly conserved motif MYPPY in the CDR3-like loop. CD28 is considered a major co-stimulatory molecule, inducing T lymphocyte activation and IL-2 synthesis, and preventing cell death.In vitrostudies indicate that ligation of CD28 on T cells by CD80 and CD86 on antigen presenting cells provides a costimulatory signal required for T cell activation and proliferation.
Other Names:	T44, Tp44
Structure:	Ig superfamily, type I transmembrane glycoprotein, homodimer, 44 kD
Distribution:	Mature T cells, thymocytes, NK cell subsets, plasma cells, EBV-positive B cells
Function:	T cell costimulation
Ligand Receptor:	CD80, CD86
AntigenReferences:	1. Schlossman S,et al.Eds. 1995. Leucocyte Typing V. Oxford University Press. New York.2. June CH,et al.1994.Immunol. Today15:321.3. Linskey PS,et al.1993.Annu. Rev. Immunol.11:191.
GeneID:	940
UniProt:	View information about CD28 on UniProt.org
Keywords:	LEAF™Purified anti-human CD28, CD28.2, LEAF™, T44, Tp44, Human,Cross-Reactivity:Chimpanzee, Baboon, Cynomolgus, Rhesus, Pigtailed Macaque, Squirrel Monkey, Capuchin Monkey, Sooty Mangabey, Activation, Costimulation, Flow Cytometry, Immunohistochemistry, Immunoprecipitation, Biofunctional Assay, Immunology, Antibodies

订购信息：

302913 规格：50ug302914 规格：500ug302923 规格：1mg

现货*！

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Biolegend LEAF Purified Human CD28单抗302913302914

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