November 01 (Wednesday)
바이오공학부문 포스터
Poster,
3층 로비,
15:50~16:40
  • Chair :
  •  신현정(KAIST), 조영삼(원광대), 김성진(건국대), 양성욱(KIST)
We16D-14
15:50~16:40
형광 비드 추적을 통한 운동성 섬모의 움직임 분
이성규(연세대학교), 이상남, 윤주헌(연세대학교 의과대학), 이형석(연세대학교)
Motile cilia, hair-like structures on epithelial cells, oscillate asymmetrically through effective and recovery strokes to generate ciliary flow for clearance of mucus in the respiratory tract. Failure in clearing mucus results in stacking of thick mucus layer containing pathogens and dust, which lead to infection, difficulty in breathing, and inflammation. In predicting malfunction in the mucociliary clearance, characterization and evaluation of the ciliary beating motion is critical. Currently available tools indirectly characterize ciliary beating from video of ciliary field using high magnification objective and complicated image processing. Here, we attached fluorescent micro particles onto cilia and directly track their trajectories to characterize ciliary beating. Using ciliated primary human nasal epithelial cells, we analyzed beating motion of nasal cilia in terms of beating frequency, velocity and orientation. Acquired average beating frequency and the ratio of velocities between effective and recovery strokes were physiologically relevant. Our technique will be helpful for the acquisition of ciliary beating trajectories and motion analysis without implementing high magnification objective or complex imaging analysis.
Keywords : Motile cilia(운동성 섬모), Particle tracking(입자 추적)
Paper : We16D-14.pdf

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