Imaging of murine embryonic cardiovascular development using optical coherence tomography
(Conference Presentation)

Yongyang Huang; Karl R. Degenhardt; Sophie Astrof; Chao Zhou

doi:10.1117/12.2213923

27 April 2016 Imaging of murine embryonic cardiovascular development using optical coherence tomography (Conference Presentation)

Yongyang Huang, Karl R. Degenhardt, Sophie Astrof, Chao Zhou

Author Affiliations +

Proceedings Volume 9716, Optical Methods in Developmental Biology IV; 971605 (2016) https://doi.org/10.1117/12.2213923
Event: SPIE BiOS, 2016, San Francisco, California, United States

Abstract

We have demonstrated the capability of spectral domain optical coherence tomography (SDOCT) system to image full development of mouse embryonic cardiovascular system. Monitoring morphological changes of mouse embryonic heart occurred in different embryonic stages helps identify structural or functional cardiac anomalies and understand how these anomalies lead to congenital heart diseases (CHD) present at birth. In this study, mouse embryo hearts ranging from E9.5 to E15.5 were prepared and imaged in vitro. A customized spectral domain OCT system was used for imaging, with a central wavelength of 1310nm, spectral bandwidth of ~100nm and imaging speed of 47kHz A-scans/s. Axial resolution of this system was 8.3µm in air, and transverse resolution was 6.2 µm with 5X objective. Key features of mouse embryonic cardiovascular development such as vasculature remodeling into circulatory system, separation of atria and ventricles and emergence of valves could be clearly seen in three-dimensional OCT images. Optical clearing was applied to overcome the penetration limit of OCT system. With high resolution, fast imaging speed, 3D imaging capability, OCT proves to be a promising biomedical imaging modality for developmental biology studies, rivaling histology and micro-CT.

Conference Presentation

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Yongyang Huang, Karl R. Degenhardt, Sophie Astrof, and Chao Zhou "Imaging of murine embryonic cardiovascular development using optical coherence tomography (Conference Presentation)", Proc. SPIE 9716, Optical Methods in Developmental Biology IV, 971605 (27 April 2016); https://doi.org/10.1117/12.2213923

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KEYWORDS

Optical coherence tomography

Imaging systems

Heart

Stereoscopy

Biology

Biomedical optics

Cardiovascular system

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