Title |
Effects of DMSO, glycerol, betaine and their combinations in detecting single nucleotide polymorphisms of epidermal growth factor receptor (EGFR) gene promoter sequence in non-small-cell lung cancer (NSCLC) patients
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Published in |
Journal of Pharmaceutical & Biomedical Analysis, May 2016
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DOI | 10.1016/j.jpba.2016.05.010 |
Pubmed ID | |
Authors |
Vladimir Jurišić, Jasmina Obradović, Natasa Tošić, Sonja Pavlović, Milan Kulić, Nataša Djordjević |
Abstract |
The aim of the study was to examine the effects of frequently used polymerase chain reaction (PCR) additives DMSO, glycerol and betaine on amplification of GC-rich epidermal growth factor receptor (EGFR) gene promoter region, in order to detect the presence of -216G>T and -191C>A gene variations in non-small-cell lung cancer (NSCLC) patients. PCR products and restriction fragments were detected by electrophoresis on 8% polyacrylamide gel and 3% agarose gel. Our analysis shows that single used additives including DMSO in concentration of 7% and 10%, glycerol in concentration of 10%, 15% and 20%, as well as betaine in concentration of 1M, 1.5M and 2M significantly enhanced the yield and specificity of PCR reaction. In addition, the combination of 10% DMSO with 15% glycerol has shown positive effects, whereas other analyzed combinations of additives failed to amplify the EGFR promoter region. |
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Geographical breakdown
Country | Count | As % |
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Demographic breakdown
Readers by professional status | Count | As % |
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Researcher | 5 | 11% |
Student > Doctoral Student | 4 | 9% |
Other | 3 | 6% |
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Unknown | 14 | 30% |
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Other | 3 | 6% |
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