Albumin uptake and distribution in the zebrafish liver as observed via correlative imaging

Delfine Cheng, Marco Morsch, Gerald J. Shami, Roger S. Chung, Filip Braet

Research output: Contribution to journalArticleResearchpeer-review

Abstract

Although liver transport routes have been extensively studied in rodents, live imaging under in situ and in vivo conditions of large volumes is still proven to be difficult. In this study, we took advantage of the optical transparency of zebrafish and their small size to explore their usefulness for correlative imaging studies and liver transport experimentations. First, we assessed the micro-architecture of the zebrafish liver and compared its fine structure to the rodent and humans’ literature. Next, we investigated the transport routes and cellular distribution of albumin using combined and correlative microscopy approaches. These methods permitted us to track the injected proteins at different time points through the process of liver uptake and clearance of albumin. We demonstrate strong structural and functional resemblance between the zebrafish liver and its rodents and humans’ counterparts. In as short as 5 min post-injection, albumin rapidly accumulated within the LSECs. Furthermore, albumin entered the space of Disse where it initially accumulated then subsequently was taken up by the hepatocytes. We propose the zebrafish as a viable alternative experimental model for hepatic transport studies, allowing swift multimodal imaging and direct quantification on the hepatic distribution of supramolecular complexes of interest.
LanguageEnglish
Pages162-171
Number of pages10
JournalExperimental Cell Research
Volume374
Issue number1
DOIs
Publication statusPublished - 1 Jan 2019

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Zebrafish
Albumins
Liver
Rodentia
Multimodal Imaging
Microscopy
Hepatocytes
Theoretical Models
Injections
Proteins

Cite this

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abstract = "Although liver transport routes have been extensively studied in rodents, live imaging under in situ and in vivo conditions of large volumes is still proven to be difficult. In this study, we took advantage of the optical transparency of zebrafish and their small size to explore their usefulness for correlative imaging studies and liver transport experimentations. First, we assessed the micro-architecture of the zebrafish liver and compared its fine structure to the rodent and humans’ literature. Next, we investigated the transport routes and cellular distribution of albumin using combined and correlative microscopy approaches. These methods permitted us to track the injected proteins at different time points through the process of liver uptake and clearance of albumin. We demonstrate strong structural and functional resemblance between the zebrafish liver and its rodents and humans’ counterparts. In as short as 5 min post-injection, albumin rapidly accumulated within the LSECs. Furthermore, albumin entered the space of Disse where it initially accumulated then subsequently was taken up by the hepatocytes. We propose the zebrafish as a viable alternative experimental model for hepatic transport studies, allowing swift multimodal imaging and direct quantification on the hepatic distribution of supramolecular complexes of interest.",
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Albumin uptake and distribution in the zebrafish liver as observed via correlative imaging. / Cheng, Delfine; Morsch, Marco; Shami, Gerald J.; Chung, Roger S.; Braet, Filip.

In: Experimental Cell Research, Vol. 374, No. 1, 01.01.2019, p. 162-171.

Research output: Contribution to journalArticleResearchpeer-review

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