Abstract:
:γ-Glutamylcyclotransferase (GGCT) depletion inhibits cancer cell proliferation. However, whether the enzymatic activity of GGCT is critical for the regulation of cancer cell growth remains unclear. In this study, a novel diester-type cell-permeable prodrug, pro-GA, was developed based on the structure of N-glutaryl-l-alanine (GA), by structure optimization using temporary fluorophore-tagged prodrug candidates. The antiproliferative activity of pro-GA was demonstrated using GGCT-overexpressing NIH-3T3 cells and human cancer cells including MCF7, HL-60, and PC3 cells. By contrast, normal cells were not significantly affected by pro-GA treatment. Moreover, pro-GA administration exhibited anticancer effects in a xenograft model using immunocompromised mice inoculated with PC3 cells. These results indicate that the enzymatic activity of GGCT accelerates tumor growth and that GGCT inhibition is a promising therapeutic strategy for the treatment of GGCT-overexpressing tumors.
journal_name
ChemMedChemjournal_title
ChemMedChemauthors
Ii H,Yoshiya T,Nakata S,Taniguchi K,Hidaka K,Tsuda S,Mochizuki M,Nishiuchi Y,Tsuda Y,Ito K,Kageyama S,Yoshiki Tdoi
10.1002/cmdc.201700660subject
Has Abstractpub_date
2018-01-22 00:00:00pages
155-163issue
2eissn
1860-7179issn
1860-7187journal_volume
13pub_type
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