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Exbio
—
Research products
—
Antibodies
—
CD and related antigens
—
Anti-Rt CD28 FITC
Anti-Rt CD28 FITC
Regulatory status
RUO
Antigen
CD28
Clone
JJ319
Format
FITC
Reactivity
Rat
Application
FC (QC tested)
Excitation laser
blue (488 nm)
Variant
0.1 mg
1F-655-C100
Ask for delivery term
HERE
176.00 USD
0.025 mg
1F-655-C025
Delivery 1 week
88.00 USD
Variant
0.1 mg
1F-655-C100
Ask for delivery term
HERE
176.00 USD
0.025 mg
1F-655-C025
Delivery 1 week
88.00 USD
Contact distributor
Product details
Description
Images
References
SDS download
Isotype
Mouse IgG1 kappa
Specificity
The mouse monoclonal antibody JJ319 reacts with an extracellular epitope of CD28, a disulfide-linked homodimeric type I glycoprotein (monomer of Mw 44 kDa) which is a critical costimulatory receptor of T cells.
Application
FC (QC tested)
Application details
Flow cytometry: Recommended dilution: 2 μg/ml.
Reactivity
Rat
Immunogen
Mouse A20J B lymphoma cells transfected with rat CD28
Concentration
0.5 mg/ml
Preparation
Purified antibody is conjugated with fluorescein isothiocyanate (FITC) under optimum conditions and unconjugated antibody and free fluorochrome are removed by size-exclusion chromatography.
Formulation
Phosphate buffered saline (PBS), pH 7.4, 15 mM sodium azide
Storage and handling
Store at 2-8°C. Protect from prolonged exposure to light. Do not freeze.
Exbio licence note
The product is intended For Research Use Only. Diagnostic or therapeutic applications are strictly forbidden. Products shall not be used for resale or transfer to third parties either as a stand-alone product or as a manufacture component of another product without written consent of EXBIO Praha, a.s. EXBIO Praha, a.s. will not be held responsible for patent infringement or any other violations of intellectual property rights that may occur with the use of the products. Orders for all products are accepted subject to the Term and Conditions available at www.exbio.cz. EXBIO, EXBIO Logo, and all other trademarks are property of EXBIO Praha, a.s.
Other names
Tp44
Antigen description
CD28 is the critical T cell costimulatory receptor which provides to the cell the important second activation signal by binding CD80 and CD86 that are expressed by antigen presenting cells. Besides its costimulation role CD28 functions in preventing T cells from anergic hyporesponsive state or from undergoing premature apoptotic cell death. CD28 is also expressed on human fetal NK cells and some NK cell lines, whereas on murine NK cells the CD28 expression is much broader.
Entrez Gene ID
25660
UniProt ID
P31042
Flow cytometry analysis (surface staining) of rat thymocytes (red-filled) with anti-rat CD28 (JJ319) FITC and unstained rat thymocytes (grey-filled).
Product specific references:
Haspot F, Villemain F, Laflamme G, Coulon F, Olive D, Tiollier J, Soulillou JP, Vanhove B: Differential effect of CD28 versus B7 blockade on direct pathway of allorecognition and self-restricted responses. Blood. 2002 Mar 15;99(6):2228-34.
PubMed
Laskowski IA, Pratschke J, Wilhelm MJ, Dong VM, Beato F, Taal M, Gasser M, Hancock WW, Sayegh MH, Tilney NL: Anti-CD28 monoclonal antibody therapy prevents chronic rejection of renal allografts in rats. J Am Soc Nephrol. 2002 Feb;13(2):519-27.
PubMed
van den Brandt J, Wang D, Reichardt HM: Resistance of single-positive thymocytes to glucocorticoid-induced apoptosis is mediated by CD28 signaling. Mol Endocrinol. 2004 Mar;18(3):687-95.
PubMed
Kerstan A, Armbruster N, Leverkus M, Hünig T: Cyclosporin A abolishes CD28-mediated resistance to CD95-induced apoptosis via superinduction of caspase-3. J Immunol. 2006 Dec 1;177(11):7689-97.
PubMed
Guillonneau C, Séveno C, Dugast AS, Li XL, Renaudin K, Haspot F, Usal C, Veziers J, Anegon I, Vanhove B: Anti-CD28 antibodies modify regulatory mechanisms and reinforce tolerance in CD40Ig-treated heart allograft recipients. J Immunol. 2007 Dec 15;179(12):8164-71.
PubMed
Dengler TJ, Szabo G, Sido B, Nottmeyer W, Zimmerman R, Vahl CF, Hünig T, Meuer SC: Prolonged allograft survival but no tolerance induction by modulating CD28 antibody JJ319 after high-responder rat heart transplantation. Transplantation. 1999 Feb 15;67(3):392-8.
PubMed
Lühder F, Huang Y, Dennehy KM, Guntermann C, Müller I, Winkler E, Kerkau T, Ikemizu S, Davis SJ, Hanke T, Hünig T: Topological requirements and signaling properties of T cell-activating, anti-CD28 antibody superagonists. J Exp Med. 2003 Apr 21;197(8):955-66.
PubMed
Tacke M, Hanke G, Hanke T, Hünig T: CD28-mediated induction of proliferation in resting T cells in vitro and in vivo without engagement of the T cell receptor: evidence for functionally distinct forms of CD28. Eur J Immunol. 1997 Jan;27(1):239-47.
PubMed
Robinson LE, Clandinin MT, Field CJ: R3230AC rat mammary tumor and dietary long-chain (n-3) fatty acids change immune cell composition and function during mitogen activation. J Nutr. 2001 Jul;131(7):2021-7.
PubMed
Further SDS language mutations available for download below. Please contact us with request for additional languages on info@exbio.cz
MPAbNaN3_SDS_v1_AU.pdf
MPAbNaN3_SDS_v1_GB.pdf
MPAbNaN3_SDS_v1_TR.pdf
MPAbNaN3_SDS_v6_AT.pdf
MPAbNaN3_SDS_v6_CH.pdf
MPAbNaN3_SDS_v6_CS.pdf
MPAbNaN3_SDS_v6_EN.pdf
MPAbNaN3_SDS_v6_ES.pdf
MPAbNaN3_SDS_v6_FR.pdf
MPAbNaN3_SDS_v6_IT.pdf
MPAbNaN3_SDS_v6_NO.pdf
MPAbNaN3_SDS_v6_PL.pdf
MPAbNaN3_SDS_v6_PT.pdf
MPAbNaN3_SDS_v6_SE.pdf
MPAbNaN3_SDS_v6_SK.pdf
MPAbNaN3_SDS_v6_SL.pdf
MPAbNaN3_SDS_v7_DE.pdf
Variant
0.1 mg
1F-655-C100
Ask for delivery term
HERE
176.00 USD
0.025 mg
1F-655-C025
Delivery 1 week
88.00 USD
Variant
0.1 mg
1F-655-C100
Ask for delivery term
HERE
176.00 USD
0.025 mg
1F-655-C025
Delivery 1 week
88.00 USD
Contact distributor
Datasheet download
Bulk requests
Technical support for this product
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