Nanoscale Imaging of Primary Cilia with Scanning Ion Conductance Microscopy

Yuanshu Zhou, Masaki Saito, Takafumi Miyamoto, Pavel Novak, Andrew I. Shevchuk, Yuri E. Korchev, Takeshi Fukuma, Yasufumi Takahashi

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13 Citations (Scopus)

Abstract

Primary cilia are hair-like sensory organelles whose dimensions and location vary with cell type and culture condition. Herein, we employed scanning ion conductance microscopy (SICM) to visualize the topography of primary cilia from different cell types. By combining SICM with fluorescence imaging, we successfully distinguished between surface cilia that project outward from the cell surface and subsurface cilia that are trapped below it. The nanoscale structure of the ciliary pocket, which cannot be easily identified using a confocal fluorescence microscope, was observed in SICM images. Furthermore, we developed a topographic reconstruction method using current-distance profiles to evaluate the relationship between set point and topographic image and found that a low set point is important for detecting the true topography of a primary cilium using hopping mode SICM.

Original languageEnglish
Pages (from-to)2891-2895
Number of pages5
JournalAnalytical Chemistry
Volume90
Issue number4
DOIs
Publication statusPublished - 2018 Feb 20

ASJC Scopus subject areas

  • Analytical Chemistry

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    Zhou, Y., Saito, M., Miyamoto, T., Novak, P., Shevchuk, A. I., Korchev, Y. E., Fukuma, T., & Takahashi, Y. (2018). Nanoscale Imaging of Primary Cilia with Scanning Ion Conductance Microscopy. Analytical Chemistry, 90(4), 2891-2895. https://doi.org/10.1021/acs.analchem.7b05112