Anti-TAG-72 (Anatumomab)-MC-Vc-PAB-SN38 ADC (ADC-W-2178)

This ADC product is comprised of an anti-TAG-72 Fab' fragmentconjugated via a MC-Vc-PAB linker to SN38. The SN-38 is targeted to certain cancers by immunerecognition and delivered into cancer cells via receptor mediated endocytosis. Within the cell, SN-38 binds to DNA, causes DNA damage.

 ADC Target

  • Name
  • TAG-72
  • Alternative Names
  • TAG-72, Tumor-associated glycoprotein 72
  • Overview
  • Tumor-associated glycoprotein 72 (TAG-72) is a glycoprotein found on the surface of many cancer cells, including ovary, breast, colon, lung, and pancreatic cancers. It is a mucin-like molecule with a molar mass of over 1000 kDa.
    TAG-72 is a tumor marker measured with radioimmunoassays like CA 72-4, which uses the monoclonal antibodies indium (111In) satumomab pendetide and iodine (125I) minretumomab.

 ADC Antibody

  • Overview
  • Humanized Anti-TAG-72 IgG1-Fab’ fragment, Anatumomab
  • Generic name
  • Anatumomab
  • Host animal
  • Mouse

 ADC Linker

  • Name
  • MC-Vc-PAB (maleimidocaproyl-valine-citrulline-p-aminobenzoyloxycarbonyl)
  • Description
  • Peptide linkers, belonging to Enzymatically cleavable linkers, combine greater systemic stability with rapid enzymatic release of the drug in the target cell. The scission of peptidic bonds relies on lysosomal proteolytic enzymes, which have very low activities in blood due to endogenous inhibitors and the unfavorably high pH value of blood.

 ADC payload drug

  • Name
  • SN-38 (7-ethyl-10-hydroxycamptothecin)
  • Description
  • SN38 (7-ethyl-10-hydroxy camptothecin) is an active metabolite of the cancer prodrug, irinotecan, with the ability of inhibiting Topoisomerase I, which is belong to the camptothecin family. SN-38 is formed via hydrolysis of irinotecan by carboxylesterases and metabolized via glucuronidation by UGT1A1.

For Research Use Only. NOT FOR CLINICAL USE.


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