نتایج جستجو برای: ribonucleotide reductase
تعداد نتایج: 45665 فیلتر نتایج به سال:
Tumor cell resistance to certain chemotherapeutic agents may result in cross-resistance to related antineoplastic agents. To study cross-resistance among inhibitors of ribonucleotide reductase, we developed hydroxyurea-resistant (HU-R) CCRF-CEM cells. These cells were 6-fold more resistant to hydroxyurea than the parent hydroxyurea-sensitive (HU-S) cell line and displayed an increase in the mRN...
It was found that nucleoside 5'-diphosphates could serve as effectors of ribonucleotide reductase. ADP was an activator of CDP reduction; ADP reduction was activated by dGDP; GDP reduction was activated by dTDP. Conversely, dADP inhibited the reduction of CDP, UDP, GDP, and ADP; dGDP inhibited UDP and GDP reductions; and dTDP inhibited UDP reduction. The inhibition of UDP reduction by dADP, dTD...
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