Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts:   Target Concepts:
Query: EC:3.1.27.3 (RNase T1)
1,228 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

An induction of apoptosis by RNase from Bacillus intermedius (binase) and its mutants characterized with low catalytic activity (Lys26Ala and His101Glu) in human myelogenic erythroleukemia K562 cells, human lung carcinoma A549 cells and human peripheral blood mononuclear cells was studied. For the first time selective apoptogenic effects of binase toward leukemic blood cells was determined. Neither antiproliferative nor apoptotic effects of binase were detected in normal human peripheral blood mononuclear cells. Formation of low molecular weight oligonucleosomal DNA fragments (less than 50 Kb) which are an early marks of apoptosis was registered in solid tumor cells treated by binase. Using mutant RNases it was shown that decrease of catalytic activity to 2.5% of wild type enzyme activity leads to the loss of apoptogenic properties of enzyme. Selective apoptogenicity of binase found towards malignant cells confirmed that antitumor agents based on bacterial RNases could be considered as an alternative to standard chemotherapeutic drugs.
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PMID:[Induction of apoptosis of tumor cells by binase]. 1598 75