Thermo Fisher Scientific CD278 (ICOS) Monoclonal Antibody (ISA-3), eBioscience
Human ICOS(CD278)을 인식하는 ISA-3 클론 단일클론 항체로, T세포 활성화 및 공자극 연구에 적합. Flow cytometry, IP, IHC(F) 등 다양한 응용 가능. 비결합형 포맷으로 제공되며, 고순도(>90%) 및 낮은 응집도(<10%) 보장. 연구용으로만 사용 가능.
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Applications and Tested Dilutions
| Application | Tested Dilution | Publications |
|---|---|---|
| Immunohistochemistry (Frozen) (IHC (F)) | Assay-Dependent | - |
| Flow Cytometry (Flow) | 0.5 µg/test | 12 publications |
| Immunoprecipitation (IP) | Assay-Dependent | - |
| Neutralization (Neu) | - | 1 publication |
| Functional Assay (Functional) | Assay-Dependent | 1 publication |
| T-Cell Activation (TCA) | - | 2 publications |
Product Specifications
| 항목 | 내용 |
|---|---|
| Species Reactivity | Human |
| Published Species | Human |
| Host / Isotype | Mouse / IgG1, kappa |
| Class | Monoclonal |
| Type | Antibody |
| Clone | ISA-3 |
| Conjugate | Unconjugated |
| Form | Liquid |
| Concentration | 0.5 mg/mL |
| Purification | Affinity chromatography |
| Storage Buffer | PBS, pH 7.2 |
| Contains | 0.09% sodium azide |
| Storage Conditions | 4°C |
| Shipping Conditions | Ambient (domestic); Wet ice (international) |
| RRID | AB_468634 |
Additional Formats Available
- Alexa Fluor 700
- APC
- APC-eFluor 780
- Biotin
- Brilliant UV 661
- eFluor 450
- FITC
- Functional Grade
- NovaFluor Red 660
- NovaFluor Red 710
- NovaFluor Yellow 700
- NovaFluor Yellow 730
- PE
- PE-Cyanine5.5
- PE-Cyanine7
- PE-eFluor 610
- PerCP-eFluor 710
- Super Bright 436
- Super Bright 600
- Super Bright 645
- Super Bright 780
- Custom conjugation available upon request
Product Specific Information
Description:
The ISA-3 monoclonal antibody reacts with human ICOS (Inducible COStimulatory molecule), also known as H4, CRP-1, and AILIM. ICOS is a T cell-specific activation molecule and a third member of the CD28/CTLA-4 family. Human ICOS (55–60 kDa) consists of 27 kDa and 29 kDa chains and is essential for T cell activation and humoral immune responses, particularly in memory B cell and plasma cell generation.
ICOS binds to its ligand B7h/B7RP-1 on activated APCs and inflamed tissues. Plate-bound ISA-3 provides costimulation for T cells, inducing cytokines such as IL-4, IL-5, and IL-10 but not IL-2. ISA-3 shares reactivity with clone F44.
Clone C398.4A (anti-mouse ICOS/H4, Product #14-9949-82) cross-reacts with human ICOS but binds a different epitope. For the brightest staining of activated human T cells, use Product #13-9948-82 or #12-9948-42 rather than #11-9948-42.
Applications Reported:
ISA-3 has been reported for use in:
- Flow cytometric analysis
- Immunoprecipitation
- Immunohistochemical staining of frozen tissue sections
- In vitro functional assays (use Functional Grade purified ISA-3, Product #16-9948-82)
Applications Tested:
Tested by flow cytometric analysis of unstimulated and PHA-activated human blood cells. Recommended ≤0.5 µg per test in 100 µL volume. Cell number: 10⁵–10⁸ cells/test. Optimize dilution for specific assays.
Purity: >90% (SDS-PAGE)
Aggregation: <10% (HPLC)
Filtration: 0.2 µm post-manufacturing filtered
Target Information
ICOS (CD278) encodes a cell-surface receptor belonging to the CD28/CTLA-4 family. It functions as a homodimer involved in cell-cell signaling, immune response regulation, and cell proliferation. ICOS is associated with disorders such as Common Variable Immunodeficiency (CVID).
For Research Use Only. Not for use in diagnostic procedures or resale without authorization.
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