Xiuli GAO, Shunfang YANG, Yongli YU, et al. The pinhole SPECT for animal model of bone metastasis with SPC-A-1BM human pulmonary adenocarcinoma bone metastasis cell line. [J]. Nuclear Science and Techniques 19(5):290-296(2008)
DOI:
Xiuli GAO, Shunfang YANG, Yongli YU, et al. The pinhole SPECT for animal model of bone metastasis with SPC-A-1BM human pulmonary adenocarcinoma bone metastasis cell line. [J]. Nuclear Science and Techniques 19(5):290-296(2008) DOI: 10.1016/S1001-8042(09)60006-3.
The pinhole SPECT for animal model of bone metastasis with SPC-A-1BM human pulmonary adenocarcinoma bone metastasis cell line
The study was to investigate the role of pinhole single photon emission computed tomography (SPECT), the human pulmonary adenocarcinoma bone-seeking metastasis cell line SPC-A-1BM was used. These cells form typical osteolytic bone metastases when inoculated into the arterial circulation of NIH-Beige-Nude-XD (BNX) mice ,via, the left ventricle. In order to evaluate the irradiation impact of ,99m,Tc-MDP versus X-ray on cells growth, we used six groups of SPC-A-1BM cells in our imaging scheme and irradiated by various doses of,99m,Tc-MDP (37, 74, 111, 370, 740 MBq) and X-ray(40 kV, 2 mA, 6 s) respectively. The cell's number of each group was well recorded in different exposure time (4, 8, 12, 24, 48, 72, 96 hours) . After that, SPC-A-1BM cells (1×106) were inoculated into the mice,via, left ventricle. We compared the results obtained with those different doses of ,99m,Tc-MDP using pinhole SPECT and conventional X-ray skeletal surveys. The data show that the cell-survival number of 111 MBq group has insignificant difference with that of X-ray and the dose is adequate to have an ideal image. Besides, it is important that the chromosome of the cells in the group of 111 MBq showed no irradiation-related damages in our test. These results implied that ,99m,Tc-MDP pinhole SPECT may provide another way other than conventional X-ray skeletal surveys in detecting bone metastasis of pulmonary adenocarcinoma in BNX mice.
关键词
Keywords
99mTc-MDPPinhole SPECTRadiationPulmonary adenocarcinomaBone metastasisAnimal model
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