Abstract:
:Two-photon excitation imaging is the least invasive optical approach to study living tissues. We have established two-photon extracellular polar-tracer (TEP) imaging with which it is possible to visualize and quantify all exocytic events in the plane of focus within secretory tissues. This technology also enables estimate of the precise diameters of vesicles independently of the spatial resolution of the optical microscope, and determination of the fusion pore dynamics at nanometer resolution using TEP-imaging based quantification (TEPIQ). TEP imaging has been applied to representative secretory glands, e.g., exocrine pancreas, endocrine pancreas, adrenal medulla and a pheochromocytoma cell line (PC12), and has revealed unexpected diversity in the spatial organization of exocytosis and endocytosis crucial for the physiology and pathology of secretory tissues and neurons. TEP imaging and TEPIQ analysis are powerful tools for elucidating the molecular and cellular mechanisms of exocytosis and certain related diseases, such as diabetes mellitus, and the development of new therapeutic agents and diagnostic tools.
journal_name
Adv Drug Deliv Revjournal_title
Advanced drug delivery reviewsauthors
Kasai H,Kishimoto T,Nemoto T,Hatakeyama H,Liu TT,Takahashi Ndoi
10.1016/j.addr.2006.07.008subject
Has Abstractpub_date
2006-09-15 00:00:00pages
850-77issue
7eissn
0169-409Xissn
1872-8294pii
S0169-409X(06)00125-6journal_volume
58pub_type
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journal_title:Advanced drug delivery reviews
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journal_title:Advanced drug delivery reviews
pub_type: 杂志文章,评审
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journal_title:Advanced drug delivery reviews
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journal_title:Advanced drug delivery reviews
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journal_title:Advanced drug delivery reviews
pub_type: 杂志文章,评审
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journal_title:Advanced drug delivery reviews
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journal_title:Advanced drug delivery reviews
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journal_title:Advanced drug delivery reviews
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