Thermo Fisher Scientific CD33 Polyclonal Antibody
인간 CD33 단백질에 특이적인 Rabbit Polyclonal Antibody로 다양한 응용(WB, IHC, ICC, Flow)에 사용 가능. 항원 친화 크로마토그래피로 정제되었으며, 동결건조 형태로 제공. 급성 골수성 백혈병 연구 및 CD33 발현 세포 분석에 적합.
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Applications and Tested Dilutions
| Application | Tested Dilution |
|---|---|
| Western Blot (WB) | 0.1–0.5 µg/mL |
| Immunohistochemistry (Paraffin) (IHC-P) | 0.5–1 µg/mL |
| Immunohistochemistry (Frozen) (IHC-F) | 0.5–1 µg/mL |
| Immunocytochemistry (ICC/IF) | 0.5–1 µg/mL |
| Flow Cytometry (Flow) | 1–3 µg/1×10⁶ cells |
Product Specifications
| Item | Description |
|---|---|
| Species Reactivity | Human |
| Host / Isotype | Rabbit / IgG |
| Class | Polyclonal |
| Type | Antibody |
| Immunogen | E. coli-derived human CD33 recombinant protein (Position: D18–H259) |
| Conjugate | Unconjugated |
| Form | Lyophilized |
| Concentration | 500 µg/mL |
| Purification | Antigen affinity chromatography |
| Storage Buffer | PBS with 5 mg BSA |
| Contains | 0.05 mg sodium azide |
| Storage Conditions | -20°C |
| Shipping Conditions | Ambient (domestic); Wet ice (international) |
| RRID | AB_2746092 |
Product Specific Information
Reconstitute with 0.2 mL of distilled water to yield a concentration of 500 µg/mL.
Target Information
CD33 is a transmembrane protein belonging to the sialic acid-binding immunoglobulin-like lectin (Siglec) family. It contains immunoreceptor tyrosine-based inhibitory motifs (ITIMs) that recruit protein tyrosine phosphatases SHP-1 and SHP-2, participating in signal regulation and receptor removal from the cell surface.
CD33 is expressed on cells of the myelomonocytic lineage and binds sialic acid residues in N- and O-glycans. It is a therapeutic target for acute myeloid leukemia (AML) and is present on granulocyte and macrophage precursors in bone marrow, but not on pluripotent stem cells.
CD33 serves as a marker for peripheral monocytes and is useful for distinguishing myelogenous leukemia cells from lymphoid or erythroid leukemias.
Diseases associated with CD33 dysfunction include gallbladder lymphoma and extracutaneous mastocytoma.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
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