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Panminerva Medica 2010 March;52(1):1-7

lingua: Inglese

Use of in vivo imaging system-bioluminescence imaging to inspect tumor dynamic morphology

Luo Z.-R. 1, Huang T. 1, Li W. 2, Shen B. -Z. 1

1 Department of Radiology, the Fourth Affiliated Hospital, Harbin Medical University, Harbin City, China;
2 Department of Orthopedic Surgery the Fourth Affiliated Hospital, Harbin Medical University, Harbin City, China


AIM: The aim of this study was to evaluate the veracity and sensitivity of in-vivo imaging system (IVIS) for inspection of tumor dynamic morphology.
METHODS: Mouse melanoma cells (B16-F10-luc-G5) in 100 mL media were seeded into a 96-well plate by 1:2 serial dilution from 10000 cells (well #1) to 78 cells (well #8). The plate was imaged using IVIS system to evaluate its sensitivity for luminescence. Ten Bablc mice with tumor cells were injected subcutaneously (1¥105 in 100 mL) and tumor luminescence was detected by IVIS at Day 0, Day 3, Day 5, Day 7 and Day 9.
RESULTS: As few as 78 tumor cells were detectable by IVIS. A strong correlation between number of tumor cells and bioluminescence (R2=0.99) was also demonstrated. Tumor luminescence were observed in all mice by IVIS at all days, and there was significant difference (P<0.01) between each two days from Day 0 to Day 9. Moreover, tumor dynamic morphology could be monitored by IVIS when it is invisible.
CONCLUSION: Compared with conventional methods, with high veracity and sensitivity, IVIS system should be recommended as an effective method for inspection of tumor dynamic morphology.

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