Anti-CD19 (clone huB4)-SMCC-DM1 ADC (CAT#: ADC-157LZY)
This ADC product is composed of an anti-CD19 antibody (clone huB4) conjugated via SMCC linker to DM1 (huB4-SMCC-DM1). It has demonstrated a response in NHL, B-cell CLL, and non-T acute lymphoblastic leukemia treatment by a MOA (Mechanism of Action) of microtubules depolymerizing.
Specific Inquiry
Normal Tissue
RNA Expression

Figure 1 Colon
(Mucosal lymphoid cells
Staining:Medium
Intensity: Strong
Quantity: <25%)
* Image credit: Human Protein Atlas https://v21.proteinatlas.org/images/16110/36120_A_7_3.jpg
(Mucosal lymphoid cells
Staining:Medium
Intensity: Strong
Quantity: <25%)
* Image credit: Human Protein Atlas https://v21.proteinatlas.org/images/16110/36120_A_7_3.jpg

Figure 2 Testis
(Leydig cells
Staining:Medium
Intensity: Moderate
Quantity:>75%
Location: Cytoplasmic/membranous)
* Image credit: Human Protein Atlas https://v21.proteinatlas.org/images/16110/36120_A_5_6.jpg
(Leydig cells
Staining:Medium
Intensity: Moderate
Quantity:>75%
Location: Cytoplasmic/membranous)
* Image credit: Human Protein Atlas https://v21.proteinatlas.org/images/16110/36120_A_5_6.jpg

Figure 3 Appendix
(Germinal center cells
Staining:Medium
Intensity: Moderate
Quantity: 75%-25%
Non-germinal center cells
Staining:High
Intensity: Strong
Quantity:>75%)
* Image credit: Human Protein Atlas https://v21.proteinatlas.org/images/16110/36120_A_2_2.jpg
(Germinal center cells
Staining:Medium
Intensity: Moderate
Quantity: 75%-25%
Non-germinal center cells
Staining:High
Intensity: Strong
Quantity:>75%)
* Image credit: Human Protein Atlas https://v21.proteinatlas.org/images/16110/36120_A_2_2.jpg

Figure 4 Lymph node
(Germinal center cells
Staining:High
Intensity: Strong
Quantity:>75%
Location: Cytoplasmic/membranous
Non-germinal center cells
Staining:High
Intensity: Strong
Quantity: 75%-25%
Location: Cytoplasmic/membranous)
* Image credit: Human Protein Atlas https://v21.proteinatlas.org/images/16110/36120_A_9_8.jpg
(Germinal center cells
Staining:High
Intensity: Strong
Quantity:>75%
Location: Cytoplasmic/membranous
Non-germinal center cells
Staining:High
Intensity: Strong
Quantity: 75%-25%
Location: Cytoplasmic/membranous)
* Image credit: Human Protein Atlas https://v21.proteinatlas.org/images/16110/36120_A_9_8.jpg

Figure 5 RNA cell line category: Cell line enhanced (Daudi, REH, U-698)
(Cell lines ordered by descending RNA expression order.)
* Image credit: Human Protein Atlas https://v21.proteinatlas.org/ENSG00000177455-CD19
(Cell lines ordered by descending RNA expression order.)
* Image credit: Human Protein Atlas https://v21.proteinatlas.org/ENSG00000177455-CD19
Specifications
- Antibody Overview
- Humanized Anti-CD19 IgG1,huB4
- Clone
- huB4
- Antibody Isotype
- IgG1
- Linker
- SMCC (4-[N-maleimidomethyl] cyclohexane-1 carboxylhydrazide).
- Linker Class/Description
- Class: Noncleavable linker
Description: Noncleavable linker is considered noncleavable-meaning linker cleavage, and payload release does not depend on the differential properties between the plasma and some cytoplasmic compartments. Instead, the release of the cytotoxic drug is postulated to occur after internalization of the ADC via antigen-mediated endocytosis and delivery to lysosomal compartment, where the antibody is degraded to the level of amino acids through intracellular proteolytic degradation
- Drug
- DM1(N2'-deacetyl-N2'-(3-mercapto-1-oxopropyl)-maytansine)
- Drug Class/Description
- Class: Maytansinoid
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
- Lymphocytes proliferate and differentiate in response to various concentrations of different antigens. The ability of the B cell to respond in a specific, yet sensitive manner to the various antigens is achieved with the use of low-affinity antigen receptors. This gene encodes a cell surface molecule which assembles with the antigen receptor of B lymphocytes in order to decrease the threshold for antigen receptor-dependent stimulation. [provided by RefSeq, Jul 2008]
- Alternative Names
- CD19; CD19 molecule; B4; CVID3; B-lymphocyte antigen CD19; differentiation antigen CD19; T-cell surface antigen Leu-12; B-lymphocyte surface antigen B4;
- Gene ID
- 930
- UniProt ID
- P15391
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---|---|---|---|
TAB-H17 | Anti-Human CD19 Recombinant Antibody (TAB-H17) | IF, IP, Neut, FuncS, ELISA, FC, WB | IgG1 - kappa |
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TAB-1612CL-F(E) | Human Anti-CD19 Recombinant Antibody; Fab Fragment (TAB-1612CL-F(E)) | Depletion, FuncS | Humanized Fab |
TAB-431CQ | Anti-Human CD19 Recombinant Antibody | ELISA, IHC, FC, IP, IF, FuncS | IgG1, κ |
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