Anti-CD33 (HuM195)-SPDB-DM4 ADC (CAT#: ADC-061LCT)
This ADC product is composed of an anti-CD33 antibody (clone HuM195) conjuagated via a SPDB linker to DM4 (HuM195-SPDB-DM4). It has demonstrated a response in AML treatment by a MOA (Mechanism of Action) of Depolymerize Microtubules.
Specific Inquiry
Subcellular Location and Protein Expression
Normal Tissue
RNA Expression
Figure 1 IF staining of human cell line PC-3
(Immunofluorescent staining of human cell line PC-3 shows localization to nucleoplasm & plasma membrane.)
* Image credit: Human Protein Atlas https://v21.proteinatlas.org/images/64807/1186_A4_3_selected.jpg
(Immunofluorescent staining of human cell line PC-3 shows localization to nucleoplasm & plasma membrane.)
* Image credit: Human Protein Atlas https://v21.proteinatlas.org/images/64807/1186_A4_3_selected.jpg
Figure 2 IHC staining of human lymph node
(Immunohistochemical staining of human lymph node shows membranous and cytoplasmic positivity in germinal center cells and non-germinal center cells.)
* Image credit: Human Protein Atlas https://v21.proteinatlas.org/images/35832/113039_A_9_8_selected.jpg
(Immunohistochemical staining of human lymph node shows membranous and cytoplasmic positivity in germinal center cells and non-germinal center cells.)
* Image credit: Human Protein Atlas https://v21.proteinatlas.org/images/35832/113039_A_9_8_selected.jpg
Figure 3 IHC staining of human tonsil
(Immunohistochemical staining of human tonsil shows cytoplasmic positivity in germinal center cells and non-germinal center cells.)
* Image credit: Human Protein Atlas https://v21.proteinatlas.org/images/11442/26430_A_6_8_selected.jpg
(Immunohistochemical staining of human tonsil shows cytoplasmic positivity in germinal center cells and non-germinal center cells.)
* Image credit: Human Protein Atlas https://v21.proteinatlas.org/images/11442/26430_A_6_8_selected.jpg
Figure 4 IF staining of human cell line RH-30
(Immunofluorescent staining of human cell line RH-30 shows localization to nucleoplasm.)
* Image credit: Human Protein Atlas https://v21.proteinatlas.org/images/64807/1413_G6_1_red_green.jpg
(Immunofluorescent staining of human cell line RH-30 shows localization to nucleoplasm.)
* Image credit: Human Protein Atlas https://v21.proteinatlas.org/images/64807/1413_G6_1_red_green.jpg
Figure 5 IF staining of human cell line U-2 OS
(Immunofluorescent staining of human cell line U-2 OS shows localization to nucleoplasm.)
* Image credit: Human Protein Atlas https://v21.proteinatlas.org/images/64807/1200_A4_2_red_green.jpg
(Immunofluorescent staining of human cell line U-2 OS shows localization to nucleoplasm.)
* Image credit: Human Protein Atlas https://v21.proteinatlas.org/images/64807/1200_A4_2_red_green.jpg
Figure 6 Kidney
(Cells in tubules
Staining:Medium
Intensity: Strong
Quantity: <25%
Location: Cytoplasmic/membranous)
* Image credit: Human Protein Atlas https://v21.proteinatlas.org/images/79996/170702_A_9_5.jpg
(Cells in tubules
Staining:Medium
Intensity: Strong
Quantity: <25%
Location: Cytoplasmic/membranous)
* Image credit: Human Protein Atlas https://v21.proteinatlas.org/images/79996/170702_A_9_5.jpg
Figure 7 Lymph node
(Non-germinal center cells
Staining:Medium
Intensity: Strong
Quantity: <25%
Location: Cytoplasmic/membranous)
* Image credit: Human Protein Atlas https://v21.proteinatlas.org/images/79996/170702_A_9_8.jpg
(Non-germinal center cells
Staining:Medium
Intensity: Strong
Quantity: <25%
Location: Cytoplasmic/membranous)
* Image credit: Human Protein Atlas https://v21.proteinatlas.org/images/79996/170702_A_9_8.jpg
Figure 8 Spleen
(Cells in red pulp
Staining:Medium
Intensity: Moderate
Quantity:>75%
Location: Cytoplasmic/membranous)
* Image credit: Human Protein Atlas https://v21.proteinatlas.org/images/79996/170702_B_8_4.jpg
(Cells in red pulp
Staining:Medium
Intensity: Moderate
Quantity:>75%
Location: Cytoplasmic/membranous)
* Image credit: Human Protein Atlas https://v21.proteinatlas.org/images/79996/170702_B_8_4.jpg
Figure 9 RNA cell line category: Cell line enhanced (HEL, HL-60, HMC-1, NB-4, RPMI-8226, THP-1, U-937)
(Cell lines ordered by descending RNA expression order.)
* Image credit: Human Protein Atlas https://v21.proteinatlas.org/ENSG00000105383-CD33
(Cell lines ordered by descending RNA expression order.)
* Image credit: Human Protein Atlas https://v21.proteinatlas.org/ENSG00000105383-CD33
Specifications
- Antibody Overview
- Humanized version of the Antibody M195 directed against CD33
- Clone
- HuM195
- Antibody Isotype
- IgG1
- Linker
- SPDB
- Linker Class/Description
- Disulfide Linkers are extensively exploited as a chemically labile linkage. Since the release of disulfide-linked drugs requires a cytoplasmic thiol cofactor, such as glutathione (GSH). Disulfides maintain stable at physiological pH and only when ADCs are internalized inside cells, the cytosol provides reducing environment including intracellular enzyme protein disulfide isomerase, or similar enzymes, drugs can be released.
- Drug
- DM4 (N2'-Deacetyl-N2'-(4-mercapto-4-methyl-1-oxopentyl)maytansine)
- Drug Class/Description
- Maytansinoids are a group of cytotoxins structurally similar to rifamycin, geldanamycin, and ansatrienin. The eponymous natural cytotoxic agent maytansine is a 19-member lactam (ansa
macrolide) structure originally isolated from the Ethiopian shrub Maytenus ovatus. Maytansinoids can bind to tubulin at or near the vinblastine-binding site, which interfere the formation of microtubules and depolymerize already formed microtubules, inducing mitotic arrest in the intoxicated cells
Target
- Introduction
- CD33 or Siglec-3 is a transmembrane receptor expressed on cells of myeloid lineage. It is usually considered myeloid-specific, but it can also be found on some lymphoid cells. It binds sialic acids, therefore is a member of the SIGLEC family of lectins.
- Alternative Names
- CD33; CD33 molecule; p67; SIGLEC3; SIGLEC-3; myeloid cell surface antigen CD33; gp67; CD33 antigen (gp67); sialic acid binding Ig-like lectin 3; sialic acid-binding Ig-like lectin 3;
- Gene ID
- 945
- UniProt ID
- P20138
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| CAT | Product Name | Application | Type |
|---|---|---|---|
| NAB-321-sdAb | Recombinant Anti-human CD33 VHH Single Domain Antibody | WB, IP, ChiP, Neut, ELISA | Llama VHH |
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