{"title":"Stabilities of Irradiated DNA Complexes from Sarcoma 45 Tumors with Mitoxantrone at Small Fillings","authors":"S. Hakobyan, M. Shahinyan, Y. Babayan","doi":"10.1142/S1793048016500028","DOIUrl":null,"url":null,"abstract":"In the present work, the thermostabilities of mitoxantrone (MTX) complexes with DNA from sarcoma 45 and healthy rat liver were studied. DNAs from both sources were irradiated by resonant (64.5 GHz and 50.3 GHz) and nonresonant (48.3 GHz) frequencies of water. The obtained data showed that DNA solution irradiation by resonant frequencies of water induces a dehydration of nucleotides and Na+ ions in the solution. It is shown that at relatively low concentrations of MTX, when one MTX molecule binds to almost 100 pairs of bases of DNA, the thermostabilities of complexes decrease. Moreover, this change is more pronounced (∼0.8∘C) at the complex formation with DNA released from sarcoma 45 tumor.","PeriodicalId":88835,"journal":{"name":"Biophysical reviews and letters","volume":"11 1","pages":"139-147"},"PeriodicalIF":0.0000,"publicationDate":"2016-07-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1142/S1793048016500028","citationCount":"5","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Biophysical reviews and letters","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1142/S1793048016500028","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 5
Abstract
In the present work, the thermostabilities of mitoxantrone (MTX) complexes with DNA from sarcoma 45 and healthy rat liver were studied. DNAs from both sources were irradiated by resonant (64.5 GHz and 50.3 GHz) and nonresonant (48.3 GHz) frequencies of water. The obtained data showed that DNA solution irradiation by resonant frequencies of water induces a dehydration of nucleotides and Na+ ions in the solution. It is shown that at relatively low concentrations of MTX, when one MTX molecule binds to almost 100 pairs of bases of DNA, the thermostabilities of complexes decrease. Moreover, this change is more pronounced (∼0.8∘C) at the complex formation with DNA released from sarcoma 45 tumor.
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