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A Real-Time Non-invasive Auto-bioluminescent Urinary Bladder Cancer Xenograft Model

490 BioTech

Abstract:

Purpose
The study was to develop an auto-bioluminescent urinary bladder cancer (UBC) xenograft animal model for pre-clinical research.

Procedure
The study used a humanized, bacteria-originated lux reporter system consisting of six (luxCDABEfrp) genes to express components required for producing bioluminescent signals in human UBC J82, J82-Ras, and SW780 cells without exogenous substrates. Immune-deficient nude mice were inoculated with Lux-expressing UBC cells to develop auto-bioluminescent xenograft tumors that were monitored by imaging and physical examination.

Results
Lux-expressing auto-bioluminescent J82-Lux, J82-Ras-Lux, and SW780-Lux cell lines were established. Xenograft tumors derived from tumorigenic Lux-expressing auto-bioluminescent J82-Ras-Lux cells allowed a serial, non-invasive, real-time monitoring by imaging of tumor development prior to the presence of palpable tumors in animals.

Conclusions
Using Lux-expressing auto-bioluminescent tumorigenic cells enabled us to monitor the entire course of xenograft tumor development through tumor cell implantation, adaptation, and growth to visible/palpable tumors in animals.

Read Full Study >

John B.A., Xu T., Ripp S. Wang H.C.R. (2016) A real-time non-invasive autobioluminescent urinary bladder cancer xenograft model. Molecular Imaging and Biology doi:10.1007/x11307-016-0989-y:1-5.

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