Quantitative assessment of hepatic fat of intact liver tissues with coherent anti-stokes Raman scattering microscopy

Yao Ming Wu, Hung Che Chen, Wei Tien Chang, Jhen Wei Jhan, Hung Lung Lin, Ian Liau*

*此作品的通信作者

研究成果: Article同行評審

49 引文 斯高帕斯(Scopus)

摘要

A fatty liver might progress from being a benign fatty liver, to steatohepatitis, cirrhosis, or even hepatocellular carcinoma. The great prevalence and severe outcome have warranted much investigation of the pathology and the development of effective therapies, which involve animal studies requiring critical evaluation of the hepatic fatty change. Histological examination and wet chemical analysis of liver biopsy specimens are generally employed for this purpose despite numerous procedures being involved. Using coherent anti-Stokes Raman scattering (CARS) microscopy, we have demonstrated the specific imaging of fat droplets in intact liver tissues and extracted the hepatic fat content through image analysis while eliminating laborious procedures required by traditional histopathological examination. The content of hepatic fat measured with CARS imaging was correlated strongly with that determined by biochemical analysis (R2 ) 0.89) over a pathologically significant range of the hepatic fat (from 2% to 20% of the total mass of tissue). Our work validates the quantitative assessment of fat in intact tissue through the use of CARS microscopy. When combined with the increasingly diverse animal models of diseases related to metabolic disorders of lipids, our approach is extensible to enable acquiring important insight into the genetic, environmental, and dietary factors affecting the uptake and accumulation of fat within tissues.

原文English
頁(從 - 到)1496-1504
頁數9
期刊Analytical Chemistry
81
發行號4
DOIs
出版狀態Published - 15 2月 2009

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