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:: Volume 10, Issue 3 (Quarterly 2006) ::
Feyz 2006, 10(3): 16-21 Back to browse issues page
Assessment of new Gadolinium compounds as contrast agents for detection of MCF-7 breast cancer cell line in MRI
Daryoush Shahbazi-Gahrouei , Mohammad Bagher Tavakoli , Maryam Roufeh , Vahideh Nazari
, Shahbazi24@yahoo.com
Abstract:   (9344 Views)

Background: I n this study Gd-hematoporphyrin and Gd-DTPA-C595 monoclonal antibody are used as specific contrast agents in detection of MCF-7 breast cancer cell line. The spin-lattice relaxation time, Gd concentration and signal intensity of the washing solutions of contrast agents are presented and the results are compared.

Materials and Methods: MCF-7 breast cancer cells were incubated with Gd-H, Gd-DTPA-C595, Gd-DTPA, and Gd-Cl3. After centrifuging, the washing solutions was studied for concentration of Gd by UV‑spectrophotometry, and also by measuring spin-lattice (T1) relaxation time and produced signal intensity using NMR.

Results: The highest relaxation time was 1026± 63.7 ms, and 1123± 26.9 ms and so the lowest signal intensity (170%, and 180%) was for washing solutions of Gd-H, and Gd-DTPA-C595 incubated with the cancer cells. It is found that these agents have attached to cell membrane of cancer cells, and so their amount is trivial in the washing solution.

Conclusion: The shortest relaxation time and so highest signal intensity was for Gd-Cl3 which indicates that there is no binding of this agent with cancer cells membrane. It can be concluded that Gd-H, and Gd‑DTPA‑C595 are promising contrast agents for the detection of MCF-7 breast cancer cells in MRI.

Keywords: Contrast agents, Monoclonal antibody, Hematoporphyrin, MRI, MCF-7 breast cancer cell
Full-Text [PDF 158 kb]   (3205 Downloads)    
Type of Study: Research | Subject: General
Received: 2008/10/28 | Published: 2006/10/15
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Shahbazi-Gahrouei D, Tavakoli M B, Roufeh M, Nazari V. Assessment of new Gadolinium compounds as contrast agents for detection of MCF-7 breast cancer cell line in MRI. Feyz 2006; 10 (3) :16-21
URL: http://feyz.kaums.ac.ir/article-1-83-en.html


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This open access journal is licensed under a Creative Commons Attribution-NonCommercial ۴.۰ International License. CC BY-NC ۴. Design and publishing by Kashan University of Medical Sciences.
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Volume 10, Issue 3 (Quarterly 2006) Back to browse issues page
مجله علوم پزشکی فیض Feyz Medical Sciences Journal
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