2. Signaling Pathways
  3. Antibody-drug Conjugate/ADC Related
  4. Drug-Linker Conjugates for ADC

Drug-Linker Conjugates for ADC

Drug-Linker Conjugates for ADC

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Drug-Linker Conjugates for Antibody Drug Conjugates (ADCs) comprise of an active cytotoxic drug and an appropriate linker. After linked to a monoclonal antibody, those conjugates can be used for making ADCs, which are targeted agents for cancer cells with high selectivity and cytotoxicity.

The drug units in drug-linker conjugates are cytotoxic agents (i.e. ADC cytotoxins or payloads) with antitumor activity and can be classified in DNA damaging agents and tubulin inhibitors. The most commonly used DNA damaging agents in ADCs are Duocarmycins, Pyrrolobenzodiazepines, Camptothecins and Daunorubicins/Doxorubicins, while the popular tubulin inhibitors are Auristatins and Maytansinoids. Besides, there are also many traditional cytotoxic agents can be used in ADCs.

ADC linkers currently undergoing clinical evaluation are mostly classified into two categories: cleavable and noncleavable. Cleavable linkers rely on processes inside the cell to liberate the toxin, and noncleavable linkers require proteolytic degradation of the antibody portion of the ADC for release of the cytotoxic molecule.

Drug-Linker Conjugates for ADC Isoform Specific Products:

Cat. No. Product Name Effect Purity
  • HY-15575
    VcMMAE
    		99.97%
    VcMMAE (mc-vc-PAB-MMAE) is a agent-linker conjugate for ADC with potent antitumor activity by using the anti-mitotic agent, monomethyl auristatin E (MMAE, a tubulin inhibitor), linked via the lysosomally cleavable dipeptide, valine-citrulline (vc).
  • HY-13631E
    Deruxtecan
    		99.94%
    Deruxtecan is an ADC drug-linker conjugate composed of an DX-8951 derivative (DXd) and a maleimide-GGFG peptide linker, used for synthesizing DS-8201 and U3-1402.
  • HY-128946
    CL2A-SN-38
    		99.07%
    CL2A-SN-38 is a agent-linker conjugate composed of a potent a DNA Topoisomerase I inhibitor SN-38 and a linker CL2A to make antibody agent conjugate (ADC). CL2A-SN-38 provides significant and specific antitumor effects against a range of human solid tumor types. CL2A-SN-38 uses hydrolyzable linker to deliver active agents within tumor cells and in the tumor microenvironment, resulting in bystander effects.
  • HY-117410
    Vipivotide tetraxetan
    		Inhibitor 99.57%
    Vipivotide tetraxetan (PSMA-617) is a high potent prostate-specific membrane antigen (PSMA) inhibitor, with a Ki of 0.37 nM. Vipivotide tetraxetan (PSMA-617) is designed consisting of three components: the pharmacophore Glutamate-urea-Lysine, the chelator DOTA able to complex both 68Ga or 177Lu, and a linker connecting these two entities. Glutamate-urea-Lysine is the selective pharmacophore to bind to prostate specific membrane antigen.
  • HY-101070
    SMCC-DM1
    		98.53%
    SMCC-DM1 (DM1-SMCC) is a agent-linker conjugate composed of a potent microtubule-disrupting agent DM1 and a linker SMCC to make antibody agent conjugate (ADC).
  • HY-153263
    (Aminooxy)acetamide-Val-Cit-PAB-MMAE
    (Aminooxy)acetamide-Val-Cit-PAB-MMAE (MMAE 5) is an intermediate used in the synthetic preparation of drug-linker conjugates for ADC. (Aminooxy)acetamide-Val-Cit-PAB-MMAE is conjugated to polyamide via oxime bond formation to form MMAE polyamide conjugate. Then MMAE polyamide conjugate can be conjugated to Trastuzumab, to make ADC.
  • HY-153360
    MC-GGFG-AM-(10Me-11F-Camptothecin)
    MC-GGFG-AM-(10Me-11F-Camptothecin) is a linker-payload conjugate used to synthesize ZW251. ZW251 an antibody-drug conjugate (ADC) targeting human GPC3. ZW251 consists of a humanized IgG1 antibody conjugated to a novel camptothecin-based topoisomerase 1 inhibitor, ZD06519, via a linker. The linker is the maleimide anchor and a glycyl glycyl phenylalanyl glycine (GGFG)-aminomethyl (AM) cleavable linker. ZW251 has high affinity with human and cynomolgus monkey GPC3. ZW251 displays rapid internalization in GPC3-expressing HCC cell lines, and bystander-mediated killing of GPC3 negative cancer cells.
  • HY-153795
    Mal-PEG2-Gly-Gly-Phe-Gly-Exatecan
    		99.09%
    Mal-PEG2-Gly-Gly-Phe-Gly-Exatecan is a drug-linker conjugate for ADC. Mal-PEG2-Gly-Gly-Phe-Gly-Exatecan consists of Exatecan (HY-13631) and a linker. Mal-PEG2-Gly-Gly-Phe-Gly-Exatecan can be used for synthesis of ADCs and for cancer research.
  • HY-15578
    McMMAF
    		99.53%
    McMMAF is a protective group (maleimidocaproyl)-conjugated MMAF, which is a potent tubulin polymerization inhibitor. McMMAF can be used as a agent-linker for antibody-drug conjugates (ADC). McMMAF is uncleavable, and must be internalized and degraded within a cell, releasing cysteine-McMMAF as the active agent.
  • HY-100374
    Val-Cit-PAB-MMAE
    		99.83%
    Val-Cit-PAB-MMAE is a agent-linker conjugate for ADC. Val-Cit-PAB-MMAE contains the ADCs linker (peptide Val-Cit-PAB) and a potent tubulin inhibitor MMAE (HY-15162). MMAE a potent mitotic inhibitor by inhibiting tubulin polymerization.
  • HY-112786
    MC-Val-Cit-PAB-MMAF
    		98.16%
    MC-Val-Cit-PAB-MMAF (Vc-MMAF) is a agent-linker conjugate for ADC by using the tubulin inhibitor, MMAF, linked via cathepsin cleavable MC-Val-Cit-PAB. MC-Val-Cit-PAB-MMAF shows antitumor activity.
  • HY-128952
    Tesirine
    		98.10%
    Tesirine (SG3249) is an antibody-drug conjugate (ADC) pyrrolobenzodiazepine (PBD) dimer payload. Tesirine combines potent antitumor activity with desirable physicochemical properties such as favorable hydrophobicity and improved conjugation characteristics. SG3199 (HY-101161) is the released warhead component of the ADC payload Tesirine. SG3199 retains picomolar activity in a panel of cancer cell lines. PBD dimers are highly efficient DNA minor groove cross-linking agents with potent cytotoxicity.
  • HY-114233
    MC-GGFG-Exatecan
    		99.71%
    MC-GGFG-Exatecan (MC-GGFG-DX8951) is a agent-linker conjugate for ADC. MC-GGFG-Exatecan is a DX8951 (a DNA topoisomerase I inhibitor) derivative with protease cleavable MC-GGFG linker. MC-GGFG-Exatecan shows antitumor activity and can be used to prepare DX8951 antibody conjugate (ADC).
  • HY-12460
    SPDB-DM4
    		99.91%
    SPDB-DM4 is a agent-linker conjugate for ADC by using the maytansinebased payload (DM4, a tubulin inhibitor) via a SPDB linker, exhibiting potent anti-tumor activity.
  • HY-126682
    Mal-VC-PAB-DM1
    		99.12%
    Mal-VC-PAB-DM1 is a agent-linker conjugate for ADC with potent antitumor activity by using DM1 (a potent microtubule-disrupting agent), linked via the ADC linker Mal-VC-PAB .
  • HY-131057
    Mc-VC-PAB-SN38
    		98.02%
    Mc-VC-PAB-SN38 consists a cleavable ADC linker (Mc-VC-PAB) and a DNA topoisomerase I inhibitor (SN38). Mc-VC-PAB-SN38 can be used in the synthesis of antibody-drug conjugates (ADCs).
  • HY-145929
    MC-Val-Cit-PAB-Exatecan
    		99.55%
    MC-Val-Cit-PAB-Exatecan (MC-Val-Cit-PAB-DX8951) is a agent-linker conjugate for ADC. MC-Val-Cit-PAB-Exatecan is composed of a DNA topoisomerase I DX-8951 (HY-13631) and a cathepsin cleavable ADC linker.
  • HY-116063
    Doxorubicin-SMCC
    		99.48%
    Doxorubicin-SMCC is a agent-linker conjugate for ADC. Doxorubicin-SMCC contains a non-cleavable ADC linker and a DNA topoisomerase II inhibitor Doxorubicin.
  • HY-101162
    SGD-1910
    SGD-1910 is a agent-linker conjugate for ADC by using the antitumor antibiotic, pyrrolobenzodiazepine (PBD, a cytotoxic DNA crosslinking), linked via the cleavable linker MC-Val-Ala.
  • HY-147270
    MC-VA-PAB-Exatecan
    		99.37%
    MC-VA-PAB-Exatecan is a agent-linker conjugate for ADC. MC-VA-PAB-Exatecan contains the ADC linker (peptide MC-VA-PAB) and a DNA topoisomerase I inhibitor Exatecan (HY-13631). MC-VA-PAB-Exatecan synthesized ADC shows good antitumor activity.
Drug-Linker Conjugates for ADC Isoform Comparison

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