Thermo Fisher Scientific CD28 Polyclonal Antibody
CD28 단백질을 인식하는 Rabbit Polyclonal 항체로, Human 시료에 반응합니다. Western blot 및 IHC(Paraffin) 실험에 적합하며, 항원 친화 크로마토그래피로 정제되었습니다. PBS 완충액에 0.02% sodium azide가 포함되어 있으며, 연구용으로만 사용됩니다.
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Applications and Tested Dilutions
| Application | Tested Dilution |
|---|---|
| Western Blot (WB) | 1 µg/mL |
| Immunohistochemistry (Paraffin) (IHC (P)) | 2 µg/mL |
Product Specifications
| 항목 | 내용 |
|---|---|
| Species Reactivity | Human |
| Host / Isotype | Rabbit / IgG |
| Class | Polyclonal |
| Type | Antibody |
| Immunogen | CD28 antibody was raised against a peptide corresponding to 18 amino acids near the carboxy terminus of human CD28. The immunogen is located within the last 50 amino acids of CD28. |
| Conjugate | Unconjugated |
| Form | Liquid |
| Concentration | 1 mg/mL |
| Purification | Antigen affinity chromatography |
| Storage buffer | PBS |
| Contains | 0.02% sodium azide |
| Storage conditions | Store at 4°C short term. For long term storage, store at -20°C, avoiding freeze/thaw cycles. |
| Shipping conditions | Ambient (domestic); Wet ice (international) |
| RRID | AB_2890294 |
Product Specific Information
Positive controls that may be used include:
- Human Spleen Tissue Lysate
- Human Spleen Tissue Slide
Target Information
CD28 antigen is a 44 kDa disulfide-linked homodimeric T cell-specific surface glycoprotein. It belongs to the immunoglobulin superfamily and is constitutively expressed on most peripheral blood T lymphocytes. CD28 is a critical T cell costimulatory receptor that provides a secondary activation signal through binding to CD80 and CD86 on antigen-presenting cells.
In addition to co-stimulation, CD28 prevents T cells from entering an anergic or apoptotic state. In murine peripheral lymphoid organs and blood, all CD4+ and CD8+ T cells express CD28. Expression is highest in immature thymocytes (CD3-, CD8+, CD4+8+, and CD4-8- cells expressing alpha/beta and gamma/delta TCR). Mature thymocytes express CD28 at two- to fourfold lower levels.
Diseases associated with CD28 dysfunction include mycosis fungoides and Sezary’s disease.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
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