Apurinic/apyrimidinic endonuclease sensitive sites as intermediates in the in vitro degradation of deoxyribonucleic acid by neocarzinostatin. 1980

K K Bose, and K Tatsumi, and B S Strauss

Neocarzinostatin (NCS) induces alkali-labile sites in DNA which are stabilized by NaBH4 reduction. The stabilized sites are sensitive to an AP endonuclease from human lymphoma cells. NCS-induced degradation of supercoiled Col E1 DNA proceeds in stepwise fashion with apurinic/apyrimidinic (AP) sites as intermediates. Degradation is increased when reaction occurs in the presence of AP endonuclease, and DNA reacted with NCS can be shown to have numerous AP endonuclease sensitive sites.

UI MeSH Term Description Entries
D008223 Lymphoma A general term for various neoplastic diseases of the lymphoid tissue. Germinoblastoma,Lymphoma, Malignant,Reticulolymphosarcoma,Sarcoma, Germinoblastic,Germinoblastic Sarcoma,Germinoblastic Sarcomas,Germinoblastomas,Lymphomas,Lymphomas, Malignant,Malignant Lymphoma,Malignant Lymphomas,Reticulolymphosarcomas,Sarcomas, Germinoblastic
D009353 Zinostatin An enediyne that alkylates DNA and RNA like MITOMYCIN does, so it is cytotoxic. Neocarzinostatin
D009374 Neoplasms, Experimental Experimentally induced new abnormal growth of TISSUES in animals to provide models for studying human neoplasms. Experimental Neoplasms,Experimental Neoplasm,Neoplasm, Experimental
D011089 Polydeoxyribonucleotides A group of 13 or more deoxyribonucleotides in which the phosphate residues of each deoxyribonucleotide act as bridges in forming diester linkages between the deoxyribose moieties. Polydeoxyribonucleotide
D002460 Cell Line Established cell cultures that have the potential to propagate indefinitely. Cell Lines,Line, Cell,Lines, Cell
D003851 Deoxyribonucleases Enzymes which catalyze the hydrolases of ester bonds within DNA. EC 3.1.-. DNAase,DNase,Deoxyribonuclease,Desoxyribonuclease,Desoxyribonucleases,Nucleases, DNA,Acid DNase,Alkaline DNase,DNA Nucleases,DNase, Acid,DNase, Alkaline
D004247 DNA A deoxyribonucleotide polymer that is the primary genetic material of all cells. Eukaryotic and prokaryotic organisms normally contain DNA in a double-stranded state, yet several important biological processes transiently involve single-stranded regions. DNA, which consists of a polysugar-phosphate backbone possessing projections of purines (adenine and guanine) and pyrimidines (thymine and cytosine), forms a double helix that is held together by hydrogen bonds between these purines and pyrimidines (adenine to thymine and guanine to cytosine). DNA, Double-Stranded,Deoxyribonucleic Acid,ds-DNA,DNA, Double Stranded,Double-Stranded DNA,ds DNA
D004278 DNA, Superhelical Circular duplex DNA isolated from viruses, bacteria and mitochondria in supercoiled or supertwisted form. This superhelical DNA is endowed with free energy. During transcription, the magnitude of RNA initiation is proportional to the DNA superhelicity. DNA, Supercoiled,DNA, Supertwisted,Supercoiled DNA,Superhelical DNA,Supertwisted DNA
D004279 DNA, Viral Deoxyribonucleic acid that makes up the genetic material of viruses. Viral DNA
D004720 Endonucleases Enzymes that catalyze the hydrolysis of the internal bonds and thereby the formation of polynucleotides or oligonucleotides from ribo- or deoxyribonucleotide chains. EC 3.1.-. Endonuclease

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