Primary cilia are dynamically regulated during cell cycle progression, specifically during the G0/G1 phases of the cell cycle, being resorbed prior to mitosis. Primary cilia can be visualized with highly sophisticated methods, including transmission electron microscopy, 3D imaging, or using software for the automatic detection of primary cilia. However, immunofluorescent staining of primary cilia is needed to perform these methods. This publication describes a protocol for the easy detection of primary cilia in vitro by staining acetylated alpha tubulin (axoneme) and gamma tubulin (basal body). This immunofluorescent staining protocol is relatively simple and results in high-quality images. The present protocol describes how four cell lines (C2C12, MEF, NHLF, and skin fibroblasts) expressing primary cilia were fixed, immunostained, and imaged with a fluorescent or confocal microscope.

Department of Clinical Biochemistry and Diagnostics University Hospital

Department of Oncology and Radiotherapy Faculty of Medicine Charles University

Department of Oncology Thomayer Hospital Charles University

Department of Radiobiology Faculty of Military Health Sciences in Hradec Kralove University of Defence

Department of Radiobiology Faculty of Military Health Sciences in Hradec Kralove University of Defence;

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