Thermo Fisher Scientific CD45RA Monoclonal Antibody (JS-83), FITC, eBioscience
인간 CD45RA를 표적하는 JS-83 단클론 항체로, FITC 형광 표지되어 유세포분석(Flow Cytometry)에 적합합니다. 미경험 T세포 및 B세포 식별에 활용되며, 5 µL/test로 사용 권장. 4°C 보관, 동결 금지.
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Applications and Tested Dilution
- Application: Flow Cytometry (Flow)
- Tested Dilution: 5 µL (0.125 µg)/test
- Publications: View 8 publications
Product Specifications
| 항목 | 내용 |
|---|---|
| Species Reactivity | Human |
| Published Species | Human |
| Host / Isotype | Mouse / IgG1, kappa |
| Recommended Isotype Control | Mouse IgG1 kappa Isotype Control (P3.6.2.8.1), FITC, eBioscience™ |
| Class | Monoclonal |
| Type | Antibody |
| Clone | JS-83 |
| Conjugate | FITC |
| Additional Formats | PE, Request custom conjugation |
| Excitation/Emission Max | 498 / 517 nm |
| Form | Liquid |
| Concentration | 5 µL/test |
| Purification | Affinity chromatography |
| Storage Buffer | PBS, pH 7.2, with 0.2% BSA |
| Contains | 0.09% sodium azide |
| Storage Conditions | 4°C, store in dark, DO NOT FREEZE |
| Shipping Conditions | Ambient (domestic); Wet ice (international) |
| RRID | AB_11151708 |
Product Specific Information
Description:
The JS-83 monoclonal antibody reacts with human CD45RA, a 220 kDa molecule expressed by subpopulations of CD4⁺ and CD8⁺ peripheral T lymphocytes, as well as B cells. CD45RA⁺ T cell populations are mainly naïve/virgin, allowing JS-83 to serve as a phenotypic marker to discriminate T cell subsets.
Applications Reported:
Suitable for flow cytometric analysis.
Applications Tested:
Pre-titrated and validated for flow cytometric analysis of normal human peripheral blood cells. Recommended use: 5 µL (0.125 µg) per test. A test is defined as the amount of antibody that stains a cell sample in a final volume of 100 µL. Cell numbers may vary from 10⁵ to 10⁸ cells/test.
Fluorescence Characteristics:
- Excitation: 488 nm
- Emission: 520 nm
- Laser: Blue Laser
Filtration: 0.2 µm post-manufacturing filtered.
Target Information
CD45RA is an isoform of the CD45 complex with restricted expression among lymphoid subtypes. CD45 (LCA, leukocyte common antigen) is a receptor-type protein tyrosine phosphatase expressed in all nucleated hematopoietic cells, comprising ~10% of lymphocyte surface proteins. It plays a critical role in lymphocyte development and antigen signaling by regulating Src-family kinases.
CD45 isoforms arise from alternative splicing, differing in extracellular domains but sharing identical transmembrane and cytoplasmic regions. Expression varies by cell type and physiological state. CD45 also modulates integrin-mediated signaling and participates in apoptosis-related DNA fragmentation. It is expressed on hematopoietic cells except mature red cells and absent on non-hematopoietic tissues.
Diseases associated with CD45 dysfunction include severe combined immunodeficiency and Hepatitis C.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
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