Endo Yoshio, Obata Tohru, Nomura Makoto, Fukushima Masakazu, Yamada Yuji, Matsuda Akira, Sasaki Takuma
Cancer Research Institute, Kanazawa University, Kanazawa, Japan.
Nucleosides Nucleotides Nucleic Acids. 2007;26(6-7):691-4. doi: 10.1080/15257770701490654.
3'-ethynyladenosine (EAdo) was an adenosine analog with potent antitumor activity against various human tumor cells in vitro. However, EAdo was enzymatically inactivated by adenosine deaminase (ADA) in vitro and in vivo. Therefore, we synthesized two ADA-resistant EAdo derivatives (2-F-EAdo and EAdo-5'-monophosphate, EAMP) and examined their antitumor activities.