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  • 1
    In: Traffic, Wiley, Vol. 9, No. 11 ( 2008-11), p. 1839-1849
    Abstract: Analysis of sterol distribution and transport in living cells has been hampered by the lack of bright, photostable fluorescent sterol derivatives that closely resemble cholesterol. In this study, we employed atomistic simulations and experiments to characterize a cholesterol compound with fluorescent boron dipyrromethene difluoride linked to sterol carbon‐24 (BODIPY‐cholesterol). This probe packed in the membrane and behaved similarly to cholesterol both in normal and in cholesterol‐storage disease cells and with trace amounts allowed the visualization of sterol movement in living systems. Upon injection into the yolk sac, BODIPY‐cholesterol did not disturb zebrafish development and was targeted to sterol‐enriched brain regions in live fish. We conclude that this new probe closely mimics the membrane partitioning and trafficking of cholesterol and, because of its excellent fluorescent properties, enables the direct monitoring of sterol movement by time‐lapse imaging using trace amounts of the probe. This is, to our knowledge, the first cholesterol probe that fulfills these prerequisites.
    Type of Medium: Online Resource
    ISSN: 1398-9219 , 1600-0854
    URL: Issue
    Language: English
    Publisher: Wiley
    Publication Date: 2008
    detail.hit.zdb_id: 2020962-9
    SSG: 12
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  • 2
    Online Resource
    Online Resource
    Portland Press Ltd. ; 2010
    In:  Biochemical Journal Vol. 429, No. 2 ( 2010-07-15), p. 235-242
    In: Biochemical Journal, Portland Press Ltd., Vol. 429, No. 2 ( 2010-07-15), p. 235-242
    Abstract: Zebrafish are an increasingly popular vertebrate model organism in which to study biological phenomena. It has been widely used, especially in developmental biology and neurobiology, and many aspects of its development and physiology are similar to those of mammals. The popularity of zebrafish relies on its relatively low cost, rapid development and ease of genetic manipulation. Moreover, the optical transparency of the developing fish together with novel imaging techniques enable the direct visualization of complex phenomena at the level of the entire organism. This potential is now also being increasingly appreciated by the lipid research community. In the present review we summarize basic information on the lipid composition and distribution in zebrafish tissues, including lipoprotein metabolism, intestinal lipid absorption, the yolk lipids and their mobilization, as well as lipids in the nervous system. We also discuss studies in which zebrafish have been employed for the visualization of whole-body lipid distribution and trafficking. Finally, recent advances in using zebrafish as a model for lipid-related diseases, including atherosclerosis, obesity, diabetes and hepatic steatosis are highlighted. As the insights into zebrafish lipid metabolism increase, it is likely that zebrafish as a model organism will become an increasingly powerful tool in lipid research.
    Type of Medium: Online Resource
    ISSN: 0264-6021 , 1470-8728
    RVK:
    Language: English
    Publisher: Portland Press Ltd.
    Publication Date: 2010
    detail.hit.zdb_id: 1473095-9
    SSG: 12
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