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- Title
Synthesis and Biological Evaluation of BODIPY-PF-543.
- Authors
Shrestha, Jitendra; Hwang, Gil Tae; Lee, Taeho; Kim, Seon Woong; Oh, Yoon Sin; Kwon, Yongseok; Hong, Seung Woo; Kim, Sanghee; Seop Moon, Hong; Baek, Dong Jae; Park, Eun-Young
- Abstract
Sphingosine-1-phosphate (S1P) regulates the proliferation of various cells and promotes the growth of cancer cells. Sphingosine kinase (SK), which transforms sphingosine into S1P, has two isotypes: SK1 and SK2. To date, both isotypes are known to be involved in the proliferation of cancer cells. PF-543, an SK1 inhibitor developed by Pfizer, strongly inhibits SK1. However, despite its strong SK1 inhibitory effect, PF-543 shows low anticancer activity in vitro. Therefore, additional biological evidence on the anticancer activity of SK1 inhibitor is required. The present study aimed to investigate the intracellular localization of PF-543 and identify its association with anticancer activity by introducing a fluoroprobe into PF-543. Boron–dipyrromethene (BODIPY)-introduced PF-543 has a similar SK1 inhibitory effect as PF-543. These results indicate that the introduction of BODIPY does not significantly affect the inhibitory effect of SK1. In confocal microscopy after BODIPY-PF-543 treatment, the compound was mainly located in the cytosol of the cells. This study demonstrated the possibility of introducing fluorescent material into an SK inhibitor and designing a synthesized compound that is permeable to cells while maintaining the SK inhibitory effect.
- Subjects
PFIZER Inc.; BIOSYNTHESIS; SPHINGOSINE kinase; CANCER cell growth; CONFOCAL microscopy; CELL proliferation
- Publication
Molecules, 2019, Vol 24, Issue 23, p4408
- ISSN
1420-3049
- Publication type
Article
- DOI
10.3390/molecules24234408