Antibody drug conjugates of cleavable amino-alkyl and aryl maytansinoids.
Bioorg Med Chem, 2018/05/15;26(9):2271-2279.
Nittoli T[1], Kelly MP[2], Delfino F[2], Rudge J[2], Kunz A[2], Markotan T[3], Spink J[3], Chen Z[2], Shan J[2], Navarro E[2], Tait M[2], Provoncha K[2], Giurleo J[2], Zhao F[2], Jiang X[2], Hylton D[2], Makonnen S[2], Hickey C[2], Kirshner JR[2], Thurston G[2], Papadopoulos N[2]
Affiliations
PMID: 29605304DOI: 10.1016/j.bmc.2018.02.025
Impact factor: 3.461
Abstract
Natural products have been used for many medicinal purposes for centuries. Antibody drug conjugates (ADCs) have utilized this rich source of small molecule therapeutics to produce several clinically useful treatments. ADCs based on the natural product maytansine have been successful clinically. The authors further the utility of the anti-cancer natural product maytansine by developing efficacious payloads and linker-payloads for conjugating to antibodies. The success of our approach was realized in the EGFRvIII targeting ADC EGFRvIII-16. The ADC was able to regress tumors in 2 tumor models (U251/EGFRvIII and MMT/EGFRvIII). When compared to a positive control ADC, the efficacy observed was similar or improved while the isotype control ADCs had no effect.
Keywords: Antibody; Antibody drug conjugate; EGFRvIII; Maytansinoid
MeSH terms
Animals; Antibodies, Monoclonal; Antineoplastic Agents; CHO Cells; Cell Line, Tumor; Cricetulus; ErbB Receptors; Female; Humans; Hydrophobic and Hydrophilic Interactions; Immunotoxins; Kinetics; Male; Maytansine; Mice; Xenograft Model Antitumor Assays
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