Assessment of Tracer 99mTc(V)-DMSA Uptake as a Measure of Tumor Cell Proliferation In Vitro

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Abstract

Purpose: To examine whether 99mTc(V)-DMSA could be used as a non-invasive measure of cancer cell proliferation. Methods: Human breast cancer MCF-7, MDA-MB-231 and pII, and prostate cancer PC-3 cell lines were grown to 30, 50 and 100% confluency and pulsed with 99mTc(V)-DMSA in media for 60 min at 37°C. DNA synthesis was analysed by quantification of the S phase using flow cytometry, [methyl-3H]thymidine incorporation and expression of proliferation markers PCNA and Ki-67 using realtime PCR. One way ANOVA was used to compare groups. Results: In all cell lines rates of 99mTc(V)-DMSA uptake were inversely related to cell density. This was paralleled by similar trends in S phase proportions, [methyl-3H]thymidine incorporation and expression of PCNA and Ki-67. Conclusion: Rates of 99mTc(V)-DMSA uptake into different types of tumour cells correlate well with cell density that is useful as a non-invasive measure of tumour cellular proliferation in vivo. © 2013 Al-Saeedi et al.

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APA

Al-Saeedi, F. J., Mathew, P. M., & Luqmani, Y. A. (2013). Assessment of Tracer 99mTc(V)-DMSA Uptake as a Measure of Tumor Cell Proliferation In Vitro. PLoS ONE, 8(1). https://doi.org/10.1371/journal.pone.0054361

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