Journal
FRONTIERS IN CHEMISTRY
Volume 10, Issue -, Pages -Publisher
FRONTIERS MEDIA SA
DOI: 10.3389/fchem.2022.1072143
Keywords
lipid droplet; lipid metabolism; organelle tracker; two-photon microscopy; live sample imaging
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Funding
- National Leading Research Lab Program of the National Research Foundation of Korea (NRF) - Korean government (MSIP) [NRF-2022R1A2B5B03001607]
- Center for Convergence Research of Neurological Disorders [NRF-2019R1A5A2026045]
- Basic Science Research Program [NRF-2021R1A6A1A10044950]
- Ajou University Research Fund
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This mini-review summarizes the recent advances in two-photon fluorescent trackers for monitoring lipid droplets (LDs). The article covers the chemical structures, two-photon properties, live sample imaging, and biomedical applications of representative two-photon fluorescent trackers for LDs. The current challenges and future research trends for two-photon fluorescent trackers of LDs are also discussed.
Two-photon fluorescent trackers for monitoring of lipid droplets (LDs) would be highly effective for illustrating the critical roles of LDs in live cells or tissues. Although a number of one-photon fluorescent trackers for labeling LDs have been developed, their usability remains constrained in live sample imaging due to photo damage, shallow imaging depth, and auto-fluorescence. Recently, some two-photon fluorescent trackers for LDs have been developed to overcome these limitations. In this mini-review article, the advances in two-photon fluorescent trackers for monitoring of LDs are summarized. We summarize the chemical structures, two-photon properties, live sample imaging, and biomedical applications of the most recent representative two-photon fluorescent trackers for LDs. Additionally, the current challenges and future research trends for the two-photon fluorescent trackers of LDs are discussed.
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