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INTERACTION OF DOXORUBICIN WITH DNA-HMG1 COMPLEX | ||
| Journal of Sciences, Islamic Republic of Iran | ||
| مقاله 4، دوره 6، شماره 3، پاییز 1995 اصل مقاله (512.53 K) | ||
| چکیده | ||
| In this study, the interaction of the anthracycline antibiotic doxorubicin with DNA-HMG 1 complex was investigated employing UV/VIS spectroscopy, thermal denaturation and DNA cellulose chromatography techniques. The results indicated that the binding of doxorubicin to the protein reduces its Tm in a dose dependent manner. Although doxorubicin protects free DNA against thermal denaturation in the presence of HMG 1, thermal melts represent biphasic profile corresponding to DNA- drug, HMG1- drug and free components. Interaction of antibiotic with DNA - HMGl complex using DNA cellulose columns also implies that the drug binds strongly to singlestranded DNA-HMG 1 complex rather than to double- stranded DNA-HMG 1 columns. The results suggest destabilization of HMGl protein by drug action thereby preventing DNA-HMG 1 complex formation | ||
| عنوان مقاله [English] | ||
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| چکیده [English] | ||
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آمار تعداد مشاهده مقاله: 1,017 تعداد دریافت فایل اصل مقاله: 951 |
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