Thermo Fisher Scientific CD20 Monoclonal Antibody (L26), eFluor 660, eBioscience
사람 및 영장류 CD20 단백질을 인식하는 L26 클론 단일클론 항체. eFluor 660 형광 표지로 적색 레이저(633 nm)에서 검출 가능. IHC, ICC, WB 등 다양한 응용에 적합하며, 리툭시맙과 같은 치료용 항체에 의해 차단되지 않음. 연구용 전용.
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Applications and Tested Dilutions
| Application | Tested Dilution | Publications |
|---|---|---|
| Western Blot (WB) | 1 µg/mL | - |
| Immunohistochemistry (IHC) | 5–20 µg/mL | View 4 publications |
| Immunohistochemistry (Paraffin) (IHC (P)) | 2–20 µg/mL | View 1 publication |
| Immunocytochemistry (ICC/IF) | 20 µg/mL | View 2 publications |
| Miscellaneous PubMed (Misc) | - | View 1 publication |
Product Specifications
| Specification | Description |
|---|---|
| Species Reactivity | Cynomolgus monkey, Human, Rhesus monkey |
| Published Species | Human |
| Host / Isotype | Mouse / IgG2a, kappa |
| Recommended Isotype Control | Mouse IgG2a kappa Isotype Control (eBM2a), eFluor™ 660, eBioscience™ |
| Class | Monoclonal |
| Type | Antibody |
| Clone | L26 |
| Conjugate | eFluor™ 660 |
| Excitation / Emission Max | 651 / 668 nm |
| Form | Liquid |
| Concentration | 0.2 mg/mL |
| Purification | Affinity chromatography |
| Storage Buffer | PBS, pH 7.2 |
| Contains | 0.09% sodium azide |
| Storage Conditions | 4°C, store in dark, DO NOT FREEZE |
| Shipping Conditions | Ambient (domestic); Wet ice (international) |
| RRID | AB_11151691 |
Additional Formats:
- Unconjugated
- Alexa Fluor 488
- Alexa Fluor 514
- Alexa Fluor Plus 647
- Alexa Fluor Plus 750
- eFluor 615
- Request custom conjugation
Product Specific Information
The monoclonal antibody L26 recognizes human CD20, a two-transmembrane spanning protein found on precursor and mature B lymphocytes. Expression is lost upon differentiation to plasma cells. CD20 levels are critical in evaluating malignant B lymphocytes, including Non-Hodgkin’s Lymphoma and various leukemias. CD20 plays a role in B cell differentiation and activation.
The L26 antibody recognizes an epitope in the cytoplasmic domain, requiring tissue permeabilization for staining. Unlike antibodies that target extracellular domains, L26’s epitope is not blocked by therapeutic antibodies such as Rituximab.
- Applications Reported: Immunohistochemical staining of formalin-fixed paraffin-embedded tissue sections.
- Applications Tested: Tested by IHC on formalin-fixed paraffin-embedded human tonsil using IHC Antigen Retrieval Solution - Low pH (Product # 00-4955-58).
Fluorophore Information:
eFluor® 660 replaces Alexa Fluor® 647. It emits at 659 nm and is excited by a 633 nm red laser. Recommended usage ≤20 µg/mL; titration advised for optimal performance.
- Excitation: 633–647 nm
- Emission: 668 nm
- Laser: Red Laser
- Filtration: 0.2 µm post-manufacturing filtered
Target Information
CD20 is a non-glycosylated surface phosphoprotein (33–37 kDa) expressed on mature and most malignant B cells, and a subset of T lymphocytes and follicular dendritic cells. It regulates calcium conductance, cell cycle progression, and B-cell proliferation. CD20 is associated with lipid rafts and participates in BCR-mediated signaling.
CD20 remains at the cell surface after antibody binding, making it a valuable target for antibody-mediated B-cell depletion therapies. Dysfunctions in CD20 are linked to Ms4a1-related common variable immune deficiency.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
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