| Field | Specification |
|---|---|
| Target | |
| Alternative names | BB-10901, IMGN901, huN901-DM1 |
| UniProt # | |
| CAS no. | |
| Reactivity | |
| Applications | |
| Assay type | |
| Sample type(s) | Plasma, Serum |
| Sensitivity | |
| Detection range | |
| Detection method | |
| Storage | |
| Shipping | |
| Catalog no. (Mfr.) | |
| Main SKU |
Assay Principle
Lorvotuzumab ELISA Kit provides plate-based quantitative measurement of Lorvotuzumab. Each run carries its own standard series, so results remain comparable across plates, days, and operators in a research workflow.
Background
Lorvotuzumab mertansine (IMGN901, BB10901, huN901-DM1) is an antibody-drug conjugate (ADC) composed of the cytotoxic maytansinoid derivative, DM1, conjugated to the humanized N901 monoclonal antibody (lorvotuzumab, huN901), which binds CD56 with high affinity. DM1 conjugated to lorvotuzumab via a stable disulfide SPP linker (When DM1 is attached to an antibody with the SPP linker, it is mertansine; when it is attached with the thioether linker, SMCC, it is emtansine). It was developed by ImmunoGen, Inc. Lorvotuzumab mertansine is designed for the treatment of CD56 positive cancers (e.g. small-cell lung cancer, ovarian cancer). It has been granted orphan drug status for Merkel cell carcinoma and has reported encouraging Phase II results for small-cell lung cancer (SCLC). Once bound to CD56 on the surface of the target cell, the conjugate is internalized, the linker is cleaved, DM1 is released which in turn inhibits tubulin polymerization and results in cell death. Maytansine is a natural product, originally derived from the Ethiopian shrub Maytenus serrata. Maytansine inhibits tubulin polymerization, and is approximately 200-1, 000 fold more cytotoxic than the Vinca alkaloids. Maytansine is clinically active but its narrow therapeutic window precluded further clinical development. Conjugation to an antibody and intracellular delivery could take advantage of the cytotoxic potency and expand the therapeutic window leading to greater tumor cell death with less overall toxicity. The maytansine derivative DM1 was developed specifically for use in ADCs.
Specifications
| Assay Type | Quantitative Colorimetric ELISA |
|---|---|
| Detection Method | Colorimetric |
| Plate Format | 96-well (96T) |
| Sample Types | Plasma, Serum |
| Sensitivity | 0.156 μg/mL |
| Detection Range | 0.31-5 μg/mL |
| Recovery | 80-120% |
| Stability & Storage | The stability of ELISA kit is determined by the loss rate of activity. The loss rate of this kit is less than 10% prior to the expiration date under appropriate storage condition. |
| Shipping | 2-8 °C |
| CAS Number | 1008106-64-6 |
| UniProt | P13591 |
| Alternative Names | BB-10901, IMGN901, huN901-DM1 |
Performance Data
The kit provides a quantitative range of 0.31-5 μg/mL, an analytical sensitivity of 0.156 μg/mL, typical spike recovery of 80-120%. Plan sample dilutions so readouts fall within the linear portion of the standard curve, and evaluate matrix effects with dilution-linearity and spike-recovery controls.
Target Notes
The target is also referenced in the literature as BB-10901, IMGN901, huN901-DM1. Curated target information is available under UniProt accession P13591. The corresponding compound is registered under CAS 1008106-64-6.
Common Research Applications
- Pharmacokinetic profiling of the drug in preclinical and translational research models
- Bioanalytical method development, bridging, and comparability studies
- Stability and formulation studies requiring reproducible concentration readouts
Safety & Handling
For Research Use Only. Not for diagnostic or therapeutic use. Handle all reagents and samples according to your institution's laboratory safety guidelines, and store components as recommended to preserve assay performance.
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