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Published in: Cancer Cell International 1/2009

Open Access 01-12-2009 | Primary research

Bioluminescence imaging reveals inhibition of tumor cell proliferation by Alzheimer's amyloid β protein

Authors: Hong Zhao, Jinmin Zhu, Kemi Cui, Xiaoyin Xu, Megan O'Brien, Kelvin K Wong, Santosh Kesari, Weiming Xia, Stephen TC Wong

Published in: Cancer Cell International | Issue 1/2009

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Abstract

Background

Cancer and Alzheimer's disease (AD) are two seemingly distinct diseases and rarely occur simultaneously in patients. To explore molecular determinants differentiating pathogenic routes towards AD or cancer, we investigate the role of amyloid β protein (Aβ) on multiple tumor cell lines that are stably expressing luciferase (human glioblastoma U87; human breast adenocarcinoma MDA-MB231; and mouse melanoma B16F).

Results

Quantification of the photons emitted from the MDA-MB231 or B16F cells revealed a significant inhibition of cell proliferation by the conditioning media (CM) derived from amyloid precursor protein (APP) over-expressing cells. The inhibition of U87 cells was observed only after the media was conditioned for longer than 2 days with APP over-expressing cells.

Conclusion

Our results suggest that Aβ plays an inhibitory role in tumor cell proliferation; this effect could depend on the type of tumor cells and amount of Aβ.
Appendix
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Metadata
Title
Bioluminescence imaging reveals inhibition of tumor cell proliferation by Alzheimer's amyloid β protein
Authors
Hong Zhao
Jinmin Zhu
Kemi Cui
Xiaoyin Xu
Megan O'Brien
Kelvin K Wong
Santosh Kesari
Weiming Xia
Stephen TC Wong
Publication date
01-12-2009
Publisher
BioMed Central
Published in
Cancer Cell International / Issue 1/2009
Electronic ISSN: 1475-2867
DOI
https://doi.org/10.1186/1475-2867-9-15

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