Abstract
The monitoring of the drug behavior and distribution in biological system can provide information whether drug reaches its desired target, and a biological rationale for the design of new therapeutics. We have developed a family of potent fluorescent PI3Kα inhibitors in which part of the fluorophore was engineered to be a pharmacophore capable of inhibiting PI3Kα. These xanthine derivatives are characterized by a donor-acceptor molecular structure, and changes in the electronic properties of the two variation points at R1 and R2 give rise to notable bathochromic shifts in the λem, abs and increase the value of ΦF. Further, we illustrated the use of E2 (PI3Kα/IC 50 = 0.068 μM, T47D cell viability: IC50 = 0.9 μM) to block cancer cell proliferation and to monitor its subcellular localization by fluorescence microscopy.
Original language | English |
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Pages (from-to) | 2508-2516 |
Number of pages | 9 |
Journal | Bioorganic and Medicinal Chemistry |
Volume | 19 |
Issue number | 8 |
DOIs | |
State | Published - 15 Apr 2011 |
Externally published | Yes |
Bibliographical note
Funding Information:This research was supported by National Research Foundation of Korea (NRF) through general research grants (NRF-2010-0015340 and 2010-0022179), by the Korean Health Technology R&D Project (A101185), and by the National R&D Program for Cancer Control (1020250), Ministry for Health, Welfare and Family Affairs, Korea.
Keywords
- Anticancer
- Drug design
- Fluorescent PI3K inhibitor
- Intracellular distribution