A Functional Bioluminescent Zebrafish Screen for Enhancing Hematopoietic Cell Homing

Yuliana Astuti; Ashley C. Kramer; Amanda L. Blake; Bruce R Blazar; Jakub Tolar; Mandy E. Taisto; Troy C Lund

doi:10.1016/j.stemcr.2016.12.004

A Functional Bioluminescent Zebrafish Screen for Enhancing Hematopoietic Cell Homing

Yuliana Astuti, Ashley C. Kramer, Amanda L. Blake, Bruce R Blazar, Jakub Tolar, Mandy E. Taisto, Troy C Lund

Research output: Contribution to journal › Article › peer-review

12 Scopus citations

Abstract

To discover small molecules that modulate hematopoietic cell homing after adoptive transfer, we created a transgenic zebrafish expressing firefly luciferase downstream of the ubiquitin promoter (ubi:luc) to serve as a hematopoietic donor. Bioluminescence imaging (BLI) was used to detect and follow ubi:luc hematopoietic cells that homed to the marrow as early as 1 day post-transplant. BLI was able to detect the biological effect of prostaglandin E₂ on early homing/engraftment of donor hematopoietic cells. This system was utilized in a functional screen of small molecules to enhance homing/engraftment. We discovered a phytosterol, ergosterol, that could increase hematopoietic cell homing in zebrafish and mice. In addition, ergosterol increased CXCR4 expression and promoted expansion of Lin⁻SCA-1⁺KIT⁺ cells in vitro. We have demonstrated the utility of in vivo BLI to non-invasively monitor donor hematopoietic cell activity in adult zebrafish as a functional screen for mediators of cellular homing.

Original language	English (US)
Pages (from-to)	177-190
Number of pages	14
Journal	Stem Cell Reports
Volume	8
Issue number	1
DOIs	https://doi.org/10.1016/j.stemcr.2016.12.004
State	Published - Jan 10 2017

Bibliographical note

Funding Information:
We gratefully thank the laboratory of Dr. Zon for sharing the ubiquitin promoter fragment. Research reported in this publication was supported by the National Heart, Lung and Blood Institute of the NIH under award number K08HL108998 (T.C.L.), ASH Junior Faculty Scholar Award (T.C.L.), the University of Minnesota Children's Discovery Fund (T.C.L.), a University of Minnesota Academic Health Center Seed Grant (T.C.L.), and a Minnesota Regenerative Medicine Grant (T.C.L.).

Publisher Copyright:
© 2017 The Author(s)

Keywords

bioluminescent
ergosterol
homing
vitamin D
zebrafish

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10.1016/j.stemcr.2016.12.004

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5233450

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abstract = "To discover small molecules that modulate hematopoietic cell homing after adoptive transfer, we created a transgenic zebrafish expressing firefly luciferase downstream of the ubiquitin promoter (ubi:luc) to serve as a hematopoietic donor. Bioluminescence imaging (BLI) was used to detect and follow ubi:luc hematopoietic cells that homed to the marrow as early as 1 day post-transplant. BLI was able to detect the biological effect of prostaglandin E2 on early homing/engraftment of donor hematopoietic cells. This system was utilized in a functional screen of small molecules to enhance homing/engraftment. We discovered a phytosterol, ergosterol, that could increase hematopoietic cell homing in zebrafish and mice. In addition, ergosterol increased CXCR4 expression and promoted expansion of Lin−SCA-1+KIT+ cells in vitro. We have demonstrated the utility of in vivo BLI to non-invasively monitor donor hematopoietic cell activity in adult zebrafish as a functional screen for mediators of cellular homing.",

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A Functional Bioluminescent Zebrafish Screen for Enhancing Hematopoietic Cell Homing

Abstract

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Keywords

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