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- Title
Optical inactivation of molecular functions in vivo by chromophore-assisted light inactivation.
- Authors
Kiwamu Takemoto
- Abstract
Many biological phenomena have spatio-temporal characteristics, such as the expression of molecular activity locally or at a limited time. Such phenomena have been observed in various organisms from slime mold to mammals, and are considered to be one of the basic patterns in biological reactions. Live imaging studies using the fluorescent protein GFP and fluorescence microscopy have become a standard technique in the life sciences to reveal the dynamics of these characteristic biological phenomena. On the other hand, the characteristic behaviors of molecules and cells captured by microscopy only correlate with life phenomena, and the causal relationship of whether they really matter is unknown. It is unclear whether they are really important or not. Therefore, to elucidate their physiological significance, it is important to introduce spatiotemporal manipulation techniques to manipulate molecules and cells locally and at arbitrary timing, and to perform causal analysis in vivo. The chromophore-assisted light inactivation (CALI) method, which uses light to inactivate molecular functions, is an optical technology that enables such spatiotemporal manipulation, and has recently been used in vivo in various model organisms, attracting widespread attention. In this section, we will review the principle of the CALI method, actual research examples, in particular, its in vivo application, and future prospects.
- Subjects
GREEN fluorescent protein; PHENOMENOLOGICAL biology; MYXOMYCETES; LIFE sciences; FLUORESCENCE microscopy; DIAGNOSTIC imaging
- Publication
Folia Pharmacologica Japonica, 2022, Vol 157, Issue 4, p238
- ISSN
0015-5691
- Publication type
Article
- DOI
10.1254/fpj.22009