期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 141, 期 40, 页码 15784-15791出版社
AMER CHEMICAL SOC
DOI: 10.1021/jacs.9b05445
关键词
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资金
- Netherlands Organization for Scientific Research (NWO-CW) [723.014.001]
- Royal Netherlands Academy of Arts and Sciences Science (KNAW)
- Ministry of Education, Culture and Science (Gravitation program) [024.001.035]
- European Research Council [227897]
- PRESTO Grant from JST [JPMJPR14LA]
- JSPS [15H05590, 18H02402, 181K9171]
- Senri Life Science Foundation
- Mochida Memorial Foundation for Medical and Pharmaceutical Research
- Dositeja Fund for Young Talents
- Grants-in-Aid for Scientific Research [15H05590, 18H02402] Funding Source: KAKEN
Circadian clocks, biological timekeepers that are present in almost every cell of our body, are complex systems whose disruption is connected to various diseases. Controlling cellular clock function with high temporal resolution in an inducible manner would yield an innovative approach for the circadian rhythm regulation. In the present study, we present structure-guided incorporation of photoremovable protecting groups into a circadian clock modifier, longdaysin, which inhibits casein kinase I (CKI). Using photodeprotection by UV or visible light (400 nm) as the external stimulus, we have achieved quantitative and light-inducible control over the CKI activity accompanied by an accurate regulation of circadian period in cultured human cells and mouse tissues, as well as in living zebrafish. This research paves the way for the application of photodosing in achieving precise temporal control over the biological timing and opens the door for chronophotopharmacology to deeper understand the circadian clock system.
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