Anti-CD180 (MHR73-11)-SPP-DM1 ADC (ADC-W-218)

This ADC product is comprised of an anti-CD180 monoclonal antibody ( MHR73-11) conjugated via a SPP linker to DM1. The DM1 is targeted to certain cancers by immunerecognition and delivered into cancer cells via receptor mediated endocytosis. Within the cell, DM1 binds to tubulins, interrupts microtubule dynamics, and subsequently, induces cell death.

 ADC Target

  • Name
  • CD180
  • Alternative Names
  • CD180; CD180 molecule; LY64; Ly78; RP105; CD180 antigen; lymphocyte antigen 64; radioprotective 105 kDa protein; lymphocyte antigen-64, radioprotective, 105kDa;
  • Target Entrez Gene ID
  • 4064
  • Overview
  • CD180 is a cell surface molecule consisting of extracellular leucine-rich repeats (LRR) and a short cytoplasmic tail. The extracellular LRR is associated with a molecule called MD-1 and form the cell surface receptor complex, RP105/MD-1. It belongs to the family of pathogen receptors, Toll-like receptors (TLR). RP105/MD1, by working in concert with TLR4, controls B cell recognition and signaling of lipopolysaccharide (LPS), a membrane constituent of Gram-negative bacteria.

 ADC Antibody

  • Overview
  • Anti-CD180 IgG1 Antibody, MHR73-11
  • Generic name
  • MHR73-11
  • Species Reactivity
  • Mouse

 ADC Linker

  • Name
  • SPP (N-succinimidyl-4-(2-pyridyldithio)pentanoate)
  • 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.

 ADC payload drug

  • Name
  • DM1 (N2’-Deacetyl-N2’-(3-mercapto-1-oxopropyl)maytansine)
  • Description
  • Derived from Maytansinoid,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.

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