Targeting Carcinoma-Associated Fibroblasts Within the Tumor Stroma With a Fibroblast Activation Protein-Activated Prodrug
Author(s) -
W. Nathaniel Brennen,
David Rosen,
H. Wang,
John T. Isaacs,
Samuel R. Denmeade
Publication year - 2012
Publication title -
jnci journal of the national cancer institute
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.797
H-Index - 356
eISSN - 1460-2105
pISSN - 0027-8874
DOI - 10.1093/jnci/djs336
Subject(s) - fibroblast activation protein, alpha , fibroblast , prodrug , cancer research , chemistry , cytotoxic t cell , tumor microenvironment , thapsigargin , neoplastic transformation , microbiology and biotechnology , biology , intracellular , cancer , biochemistry , carcinogenesis , in vitro , tumor cells , genetics , gene
Fibroblasts undergo a morphological transformation to a reactive phenotype in the tumor microenvironment characterized by the expression of proteins such as fibroblast activation protein (FAP), a post-prolyl endopeptidase with expression largely restricted to carcinoma-associated fibroblasts. Thapsigargin (TG) is a highly toxic natural plant product that triggers a rise in intracellular calcium levels and apoptosis. FAP is therefore a provocative target for the activation of prodrugs consisting of a FAP-specific peptide coupled to a potent cytotoxic analog of TG.
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