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Information Journal Paper

Title

TISSUE UPTAKES OF 67GA-BLEOMYCIN AND CARRIER FREE 67GA IN FIBROSARCOMA-BEARING MICE

Pages

  9-17

Abstract

 67Gallium-bleomycin complex (67Ga-BLM) was prepared using Thakour method. Radio-thin-layer- chromatography of prepared complex showed A2 and B2 radio peaks with Rƒ at 0.7 and 0.4 respectively with a purity of above % 95. Tissue uptake of 67Ga-BLM and 67GaCl3 in twelve tissues including tumor, blood, liver, lung, spleen, muscle, skin, heart, kidney, colon, colon content ,bladder and the total body were counted by well counter at I, 2, 4, 24 and 48 hours post injection of radiopharmaceuticals. Uptakes of tissues are expressed as percent injected dose per gram of tissue. The clearance rate of 67Ga-BLM was 1.75-1.95 times faster than 67GaCl3 at all time intervals. Bladder uptakes of 67Ga-BLM were highest among twelve tissues at 1,2 and 4 hours after injection, then falling rapidly after 24 and 48 hours. Blood uptake of 67Ga-BLM was lower than 67GaCl3 in all time intervals. Colon content uptake of 67Ga-BLM was highest among twelve tissues at 2 and 4 hours post injection. Tumor to' tissue activity ratios were also calculated, showing an increase of tumor to blood and muscle ratios. Tumor to blood ratio increased from 0.3 at 1 hour to 5.3 at 48 hours. Activity ratio of muscle increased from 0.5 at 1 hour to 5.5 at 48 hours. Whole body counting of animals showed that effective half lives of 67Ga-BLM and 67GaCl3 were about 1 and 15 hours respectively, which renders faster excretion of 67Ga-BLM complex. BIODISTRIBUTION data clearly indicates that prepared complex in comparison with carrier free 67Ga(67GaCh) has two main advantages: 1) high tumor to soft tissue uptake ratio that make it suitable for TUMOR IMAGING, 2) faster excretion specially at first three hours post injection. In addition complex is stable in vitro and in vivo.

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    APA: Copy

    TABEEI, F., BOLOURI, B., JALILIAN, A.R., MOSAFA, N., RAJABI, H., & NESHANDAR ASLI, I.. (2004). TISSUE UPTAKES OF 67GA-BLEOMYCIN AND CARRIER FREE 67GA IN FIBROSARCOMA-BEARING MICE. IRANIAN JOURNAL OF NUCLEAR MEDICINE, -(22), 9-17. SID. https://sid.ir/paper/545842/en

    Vancouver: Copy

    TABEEI F., BOLOURI B., JALILIAN A.R., MOSAFA N., RAJABI H., NESHANDAR ASLI I.. TISSUE UPTAKES OF 67GA-BLEOMYCIN AND CARRIER FREE 67GA IN FIBROSARCOMA-BEARING MICE. IRANIAN JOURNAL OF NUCLEAR MEDICINE[Internet]. 2004;-(22):9-17. Available from: https://sid.ir/paper/545842/en

    IEEE: Copy

    F. TABEEI, B. BOLOURI, A.R. JALILIAN, N. MOSAFA, H. RAJABI, and I. NESHANDAR ASLI, “TISSUE UPTAKES OF 67GA-BLEOMYCIN AND CARRIER FREE 67GA IN FIBROSARCOMA-BEARING MICE,” IRANIAN JOURNAL OF NUCLEAR MEDICINE, vol. -, no. 22, pp. 9–17, 2004, [Online]. Available: https://sid.ir/paper/545842/en

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