Hybrid of two-photon microscopy and optical multimodality imaging for multi-scale imaging of small animals

Tianmeng Li; Hui Hui; He Ma; Xin Yang; Jie Tian

doi:10.1117/12.2291293

23 February 2018 Hybrid of two-photon microscopy and optical multimodality imaging for multi-scale imaging of small animals

Tianmeng Li, Hui Hui, He Ma, Xin Yang, Jie Tian

Author Affiliations +

Proceedings Volume 10499, Three-Dimensional and Multidimensional Microscopy: Image Acquisition and Processing XXV; 104991R (2018) https://doi.org/10.1117/12.2291293
Event: SPIE BiOS, 2018, San Francisco, California, United States

Abstract

Non-invasive imaging technologies, such as magnetic resonance imaging (MRI) and optical multimodality imaging methods, are commonly used for diagnosing and supervising the development of inflammatory bowel disease (IBD). These in vivo imaging methods can provide morphology changes information of IBD in macro-scale. However, it is difficult to investigate the intestinal wall in molecular and cellular level. State-of-art light-sheet and two-photon microscopy have the ability to acquire the changes for IBD in micro-scale. The aim of this work is to evaluate the size of the enterocoel and the thickness of colon wall using both MRI for in vivo imaging, and light-sheet and two-photon microscope for in vitro imaging. C57BL/6 mice were received 3.5% Dextran sodium sulfate (DSS) in the drinking water for 5 days to build IBD model. Mice were imaged with MRI on days 0, 6 to observe colitis progression. After MRI imaging, the mice were sacrificed to take colons for tissue clearing. Then, light-sheet and two-photon microscopies are used for in vitro imaging of the cleared samples. The experimental group showed symptoms of bloody stools, sluggishness and weight loss. It showed that the colon wall was thicker while the enterocoel was narrower compare to control group. The more details are observed using light-sheet and two-photon microscope. It is demonstrated that hybrid of MRI in macro-scale and light-sheet and two-photon microscopy in micro-scale imaging is feasible for colon inflammation diagnosing and supervising.

Citation Download Citation

Tianmeng Li, Hui Hui, He Ma, Xin Yang, and Jie Tian "Hybrid of two-photon microscopy and optical multimodality imaging for multi-scale imaging of small animals", Proc. SPIE 10499, Three-Dimensional and Multidimensional Microscopy: Image Acquisition and Processing XXV, 104991R (23 February 2018); https://doi.org/10.1117/12.2291293

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