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Proceedings Paper

In vivo cell kinetics of the bone marrow transplantation using dual colored transgenic rat system
Author(s): Kotaro Kai; Satoshi Teraoka; Yasushi Adachi; Susumu Ikehara; Takashi Murakami; Eiji Kobayashi
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Paper Abstract

Because bone marrow is an adequate site for bone marrow stem cells, intra-bone marrow - bone marrow transplantation (IBM-BMT) is an efficient strategy for bone marrow transplantation (BMT). However, the fate of the transplanted cells remains unclear. Herein, we established a dual-colored transgenic rat system utilizing green fluorescent protein (GFP) and a luciferase (luc) marker. We then utilized this system to investigate the in vivo kinetics of transplanted bone marrow cells (BMCs) after authentic intravenous (IV)-BMT or IBM-BMT. The in vivo fate of the transplanted cells was tracked using an in vivo luminescent imaging technique; alterations in peripheral blood chimerism were also followed using flow cytometry. IBM-BMT and IV-BMT were performed using syngeneic and allogeneic rat combinations. While no difference in the proliferation pattern was observed between the two treatment groups at 7 days after BMT, different distribution patterns were clearly observed during the early phase. In the IBM-BMT-treated rats, the transplanted BMCs were engrafted immediately at the site of the injected bone marrow and expanded more rapidly than in the IV-BMT-treated rats during this phase. Graft-versus-host disease was also visualized. Our bio-imaging system using dual-colored transgenic rats is a powerful tool for performing quantitative and morphological assessments in vivo.

Paper Details

Date Published: 13 February 2008
PDF: 9 pages
Proc. SPIE 6868, Small Animal Whole-Body Optical Imaging Based on Genetically Engineered Probes, 68680R (13 February 2008); doi: 10.1117/12.762577
Show Author Affiliations
Kotaro Kai, Tokyo Women's Medical Univ. (Japan)
Jichi Medical Univ. (Japan)
Satoshi Teraoka, Tokyo Women's Medical Univ. (Japan)
Yasushi Adachi, Kansai Medical Univ. (Japan)
Susumu Ikehara, Kansai Medical Univ. (Japan)
Takashi Murakami, Jichi Medical Univ. (Japan)
Eiji Kobayashi, Jichi Medical Univ. (Japan)

Published in SPIE Proceedings Vol. 6868:
Small Animal Whole-Body Optical Imaging Based on Genetically Engineered Probes
Alexander P. Savitsky; Robert E. Campbell; Robert M. Hoffman, Editor(s)

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