CD21 (2G9) Mouse Monoclonal Antibody
SIGMA/121M-1
Product Type: Chemical
Immunohistochemistry CD21 (2G9) on tonsil
| antibody form | culture supernatant |
| antibody product type | primary antibodies |
| biological source | mouse |
| clone | 2G9, monoclonal |
| conjugate | unconjugated |
| control | tonsil |
| description | For In Vitro Diagnostic Use in Select Regions (See Chart) |
| form | buffered aqueous solution |
| isotype | IgG2a |
| manufacturer/tradename | Cell Marque® |
| packaging | bottle of 1.0 mL predilute (121M-17) |
| bottle of 7.0 mL predilute (121M-18) | |
| vial of 0.1 mL concentrate (121M-14) | |
| vial of 0.5 mL concentrate (121M-15) | |
| vial of 1.0 mL concentrate (121M-16) | |
| Quality Level | 100  |
| 500 |
|
| shipped in | wet ice |
| species reactivity | human |
| storage temp. | 2-8°C |
| technique(s) | immunohistochemistry (formalin-fixed, paraffin-embedded sections): 1:25-1:100 |
| visualization | membranous |
| General description: | CD21 (also known as complement receptor 2 (CR2), C3d receptor, or EBV receptor) is a 140 kDa membrane protein on B-lymphocytes to which the Epstein-Barr virus (EBV) binds during infection of these cells. The antigen is absent on T-lymphocytes, monocytes, and granulocytes. Anti-CD21 is useful in the identification of follicular dendritic cell matrix found in normal lymph nodes and tonsillar tissue. This antibody also labels follicular dendritic cell sarcomas. Anti-CD21 is valuable in differentiating follicular lymphoma with marginal zone differentiation from marginal zone lymphoma with follicular involvement. It also plays a role in distinguishing among nodular lymphocyte predominant Hodgkin lymphoma, lymphocyte-rich classic Hodgkin lymphoma, and T-cell/histiocyte-rich B-cell lymphoma in combination with other B-cell and T-cell markers.Anti-CD21 is also useful in identifying abnormal follicular dendritic cell pattern in angioimmunoblastic T-cell lymphoma and follicular T-cell lymphoma. |
| Legal Information: | Cell Marque is a registered trademark of Merck KGaA, Darmstadt, Germany |
| Other Notes: | CD21 Positive Control Slides, Product No. 121S , are available for immunohistochemistry (formalin-fixed, paraffin-embedded sections). |
| Other Notes: | For Technical Service please contact: 800-665-7284 or email: service@cellmarque.com |
| Physical form: | Solution in Tris Buffer, pH 7.3-7.7, with 1% BSA and <0.1% Sodium Azide |
| Preparation Note: | Download the IFU specific to your product lot and format  Note: This requires a keycode which can be found on your packaging or product label. |
| RIDADR | NONH for all modes of transport |
| Storage Temp. | 2-8°C |
| UNSPSC | 12352203 |