Anti-ITGB3 (Tadocizumab)-MC-Vc-PAB-SN38 ADC (ADC-W-2608)

This ADC product is comprised of an anti-ITGB3 Fab' fragment conjugated 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
  • ITGB3
  • Alternative Names
  • ITGB3; integrin, beta 3 (platelet glycoprotein IIIa, antigen CD61); GP3A; integrin beta-3; CD61; GPIIIa; platelet glycoprotein IIIa; platelet membrane glycoprotein IIIa; GT; BDPLT2;
  • Target Entrez Gene ID
  • 3690
  • Overview
  • The ITGB3 protein product is the integrin beta chain beta 3. Integrins are integral cell-surface proteins composed of an alpha chain and a beta chain. A given chain may combine with multiple partners resulting in different integrins. Integrin beta 3 is found along with the alpha IIb chain in platelets. Integrins are known to participate in cell adhesion as well as cell-surface mediated signalling.

 ADC Antibody

  • Overview
  • Humanized Anti-ITGB3 IgG1-Fab’ fragment, Tadocizumab
  • Generic name
  • Tadocizumab
  • 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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