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Information Journal Paper

Title

NOVEL MR IMAGING CONTRAST AGENTS FOR CANCER DETECTION

Pages

  141-147

Abstract

 BACKGROUND: Novel potential MR IMAGING CONTRAST AGENTs Gd-tetra-carboranylmethoxyphenyl-porphyrin (Gd-TCP), Gd-hematoporphyrin (Gd-H), Gd-DTPA-9.2.27 against melanoma, Gd-DTPA-WM53 against leukemia and Gd-DTPAC595 against breast cancer cells were synthesized and applied to mice with different human cancer cells (melanoma MM-138, leukemia HL-60, breast MCF-7). The relaxivity, the biodistribution, T1 relaxation times, and signal enhancement of the CONTRAST AGENTs are presented and the results are compared.METHODS: After preparation of CONTRAST AGENTs, the animal studies were performed. The cells (2×106 cells) were injected subcutaneously in the both flanks of mice. Two to three weeks after tumor implantation, when the tumor diameter was 2-4 mm, mice were injected with the different CONTRAST AGENTs. The animals were sacrificed at 24 hr post IP injection followed by removal of critical organs. The T1 relaxation times and signal intensities of samples were measured using 11.4 T magnetic field and Gd concentration were measured using UV-spectrophotometer.RESULTS: For Gd-H, the percent of Gd localized to the tumors measured by UV-spect was 28, 23 and 21 in leukemia, melanoma and breast cells, respectively. For Gd-TCP this amount was 21%, 18% and 15%, respectively. For Gd-DTPA-9.2.27, Gd-DTPA-WM53 and Gd-DTPA-C595 approximately 35%, 32% and 27% of gadolinium localized to their specific tumor, respectively.CONCLUSION: The specific studied conjugates showed good tumor uptake in the relevant cell lines and low levels of Gd in the liver, kidney and spleen. The studied agents have considerable promise for further diagnosis applications of MR IMAGING.

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    APA: Copy

    SHAHBAZI GAHROUEI, D.. (2009). NOVEL MR IMAGING CONTRAST AGENTS FOR CANCER DETECTION. JOURNAL OF RESEARCH IN MEDICAL SCIENCES (JRMS), 14(3), 141-147. SID. https://sid.ir/paper/549918/en

    Vancouver: Copy

    SHAHBAZI GAHROUEI D.. NOVEL MR IMAGING CONTRAST AGENTS FOR CANCER DETECTION. JOURNAL OF RESEARCH IN MEDICAL SCIENCES (JRMS)[Internet]. 2009;14(3):141-147. Available from: https://sid.ir/paper/549918/en

    IEEE: Copy

    D. SHAHBAZI GAHROUEI, “NOVEL MR IMAGING CONTRAST AGENTS FOR CANCER DETECTION,” JOURNAL OF RESEARCH IN MEDICAL SCIENCES (JRMS), vol. 14, no. 3, pp. 141–147, 2009, [Online]. Available: https://sid.ir/paper/549918/en

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