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AB313026

Alexa Fluor® 568 Anti-CD28 抗体 [EPR22076]

Alexa Fluor® 568 Anti-CD28 antibody [EPR22076]

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Rabbit Recombinant Monoclonal CD28 antibody - conjugated to Alexa Fluor® 568.

別名を表示する

CD28, T-cell-specific surface glycoprotein CD28, TP44

関連する標識済み抗体及び組成の異なる製品 (5)

Key facts

宿主種

Rabbit

クローン性

Monoclonal

クローン番号

EPR22076

アイソタイプ

IgG

標識

Alexa Fluor® 568

励起波長/蛍光波長

Ex: 578nm, Em: 603nm

キャリアフリー

No

アプリケーション

Antibody Labelling, Target Binding Affinity

applications

免疫原

The exact immunogen used to generate this antibody is proprietary information.

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製品の詳細

Patented technology
Our RabMAb® technology is a patented hybridoma-based technology for making rabbit monoclonal antibodies. For details on our patents, please refer to RabMAb® patents.

What are the advantages of a recombinant monoclonal antibody?
This product is a recombinant monoclonal antibody, which offers several advantages including:

  • - High batch-to-batch consistency and reproducibility
  • - Improved sensitivity and specificity
  • - Long-term security of supply
  • - Animal-free batch production

For more information, read more on recombinant antibodies.

How are conjugated primary antibodies validated?
This conjugated primary antibody is released using a quantitative quality control method that evaluates binding affinity post-conjugation and efficiency of antibody labeling.
For suitable applications and species reactivity, please refer to the unconjugated version of this clone.

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出荷温度及び保存条件

製品の状態
Liquid
精製方法
Affinity purification Protein A
バッファー組成
pH: 7.4 Preservative: 0.02% Sodium azide Constituents: 68% PBS, 30% Glycerol (glycerin, glycerine), 1% BSA
出荷温度
Blue Ice
短期保存期間
1-2 weeks
短期保存温度
+4°C
長期保存温度
-20°C
分注に関する情報
Upon delivery aliquot
保管に関する情報
Avoid freeze / thaw cycle|Store in the dark
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補足情報

This supplementary information is collated from multiple sources and compiled automatically.

CD28 also known as T-cell-specific surface glycoprotein CD28 or TP44 plays an important role as a co-stimulatory receptor on T cells. This glycoprotein has a molecular mass of about 44 kDa and is located mainly on the cell surface of T cells. CD28 expression also occurs on thymocytes and some B cells. It forms part of the immunoglobulin superfamily featuring in significant antibody interactions. Researchers often use anti-CD28 antibodies for various immunological assays including CD28 ELISA to study its function.
Biological function summary

CD28 co-stimulates T cells after antigen presentation. It enhances T cell proliferation survival and cytokine production. CD28 functions alongside the T cell receptor (TCR) complex mediating signals that promote full T cell activation. This interaction amplifies the immune response forming an important axis of immune system communication. CD28 interacts with its ligands B7-1 (CD80) and B7-2 (CD86) found on antigen-presenting cells (APCs) illustrating its role in immune system dynamics.

Pathways

CD28 is integral to the PI3K/Akt and MAPK/ERK signaling pathways. These pathways conduct signals critical for cellular growth and survival linking CD28 to downstream transcription factors. The interaction with another protein CTLA-4 acts as a regulatory balance for CD28 signaling preventing over-activation of T cells. This balance influences immune homeostasis and tolerance providing a framework for understanding costimulatory and inhibitory signaling.

CD28's role becomes evident in autoimmune diseases and transplant rejection. Abnormal CD28 signaling links to rheumatoid arthritis where inappropriate T cell activation occurs. Similarly CD28 activity contributes to organ transplant rejection by stimulating T cell-mediated responses against transplanted tissues. CTLA-4 through regulatory feedback can modify these effects providing therapeutic target strategies for managing such disorders. Efforts to modulate CD28 activity involve developing therapeutic agents such as anti-CD28 monoclonal antibodies.
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製品プロトコール

For this product, it's our understanding that no specific protocols are required. You can visit:
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ターゲットの情報

Receptor that plays a role in T-cell activation, proliferation, survival and the maintenance of immune homeostasis (PubMed : 1650475, PubMed : 7568038). Functions not only as an amplifier of TCR signals but delivers unique signals that control intracellular biochemical events that alter the gene expression program of T-cells (PubMed : 24665965). Stimulation upon engagement of its cognate ligands CD80 or CD86 increases proliferation and expression of various cytokines in particular IL2 production in both CD4(+) and CD8(+) T-cell subsets (PubMed : 1650475, PubMed : 35397202). Mechanistically, ligation induces recruitment of protein kinase C-theta/PRKCQ and GRB2 leading to NF-kappa-B activation via both PI3K/Akt-dependent and -independent pathways (PubMed : 21964608, PubMed : 24665965, PubMed : 7568038). In conjunction with TCR/CD3 ligation and CD40L costimulation, enhances the production of IL4 and IL10 in T-cells (PubMed : 8617933).. Isoform 3. Enhances CD40L-mediated activation of NF-kappa-B and kinases MAPK8 and PAK2 in T-cells (PubMed : 15067037).
See full target information CD28
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Abcam product promise

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