Comparison of MTT, trypan blue, and clonogenic assay, to determine the viability in human anaplastic thyroid cancer cell line

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Ghorbani Anarkooli Marjan; DABIRIAN SARA; Moladoust Hasan; ZENDEDEL ADIB; BAHADORI MOHAMMAD HADI

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Journal: TEHRAN UNIVERSITY MEDICAL JOURNAL (TUMJ) Year:2019 | Volume:77 | Issue:1 Page(s): 26-32

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Title

Comparison of MTT, trypan blue, and clonogenic assay, to determine the viability in human anaplastic thyroid cancer cell line

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Keywords

cell survivalQ1

colony-forming units assayQ1

melatoninQ2

MTT formazanQ1

thyroid carcinomaQ1

trypan blueQ2

Abstract

Background: Evaluation of cell viability is momentous in pharmacologic and oncological research. Cell viability evaluation determines cell sensitivity and consequently treatment outcome. Various methods are available to determine cell survival. Each of these methods evaluates different endpoints. Accordingly, determining the correlation between these methods is important. In this study, in order to determine the viability of human anaplastic thyroid cancer cell line, the sensitivity of MTT [3-(4, 5-dimethylthiazol-2-yl)-2, 5-diphenyltetrazolium bromide] assay, trypan blue test and clonogenic assay were compared. Methods: This experimental study was performed in the Cellular and Molecular Research Center at Guilan University of Medical Sciences, Rasht, Iran from October 2016 to March 2017. The human anaplastic thyroid cancer cell line was cultured in Dulbecco's modified Eagle's medium (DMEM) with 10% fetal bovine serum (FBS). The cultured cells were treated with melatonin, for 24 hours. Then, the viability of the cells was evaluated by MTT assay, trypan blue test and clonogenic assay. Furthermore, plating efficiency and surviving fraction were used in order to draw survival curve in the clonogenic assay. Results: The concentration of melatonin at IC50 point was 4. 794 0. 117 millimolar (mM) in MTT assay, 4. 375 0. 894 mM in trypan blue test and 2. 246 0. 326 mM in clonogenic assay. Comparing the IC50 values of these test revealed that C50 values obtained from MTT assay and trypan blue test had no significant difference (P=0. 6446), while there was a significant difference between IC50 values obtained from MTT and clonogenic assays (P=0. 0032). Moreover, the IC50 values obtained from trypan blue test and clonogenic assay were also significantly different (P=0. 0078). The results of the regression analysis of cell viability were shown a linear, positive and significant correlation between these three methods and MTT assay and trypan blue test showed higher correlation (r=0. 99, P<0. 001). Conclusion: Based on our results, all these methods were effective to identify cytotoxicity in human anaplastic thyroid cancer cell line, while MTT assay and trypan blue test were more sensitive than clonogenic assay.

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APA: Copy

Ghorbani Anarkooli, Marjan, DABIRIAN, SARA, Moladoust, Hasan, ZENDEDEL, ADIB, & BAHADORI, MOHAMMAD HADI. (2019). Comparison of MTT, trypan blue, and clonogenic assay, to determine the viability in human anaplastic thyroid cancer cell line. TEHRAN UNIVERSITY MEDICAL JOURNAL (TUMJ), 77(1 ), 26-32. SID. https://sid.ir/paper/396048/en

Vancouver: Copy

Ghorbani Anarkooli Marjan, DABIRIAN SARA, Moladoust Hasan, ZENDEDEL ADIB, BAHADORI MOHAMMAD HADI. Comparison of MTT, trypan blue, and clonogenic assay, to determine the viability in human anaplastic thyroid cancer cell line. TEHRAN UNIVERSITY MEDICAL JOURNAL (TUMJ)[Internet]. 2019;77(1 ):26-32. Available from: https://sid.ir/paper/396048/en

IEEE: Copy

Marjan Ghorbani Anarkooli, SARA DABIRIAN, Hasan Moladoust, ADIB ZENDEDEL, and MOHAMMAD HADI BAHADORI, “Comparison of MTT, trypan blue, and clonogenic assay, to determine the viability in human anaplastic thyroid cancer cell line,” TEHRAN UNIVERSITY MEDICAL JOURNAL (TUMJ), vol. 77, no. 1 , pp. 26–32, 2019, [Online]. Available: https://sid.ir/paper/396048/en

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