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Department of Environmental Sciences and Engineering, The University of North Carolina, Chapel Hill, North Carolina 27599
Apurinic/apyrimidinic (AP) sites are one of the most frequent lesions in DNA. Using a highly sensitive slot blot assay, we determined the number and condition of endogenous AP sites in normal tissues of rats and human liver. The number of AP sites (50,000200,000 per mammalian cell) was greatest in brain, followed by colon and heart, and then liver, lung, and kidney. The majority of endogenous AP sites were cleaved 5' to the AP site. These data suggest that removal of the deoxyribosyl phosphate moiety is the rate-limiting step in base excision and AP site repair in vivo.
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D. Wong, M. S. DeMott, and B. Demple Modulation of the 3'->5'-Exonuclease Activity of Human Apurinic Endonuclease (Ape1) by Its 5'-incised Abasic DNA Product J. Biol. Chem., September 19, 2003; 278(38): 36242 - 36249. [Abstract] [Full Text] [PDF] |
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P.-H. Lin, J. Nakamura, S. Yamaguchi, S. Asakura, and J. A. Swenberg Aldehydic DNA lesions induced by catechol estrogens in calf thymus DNA Carcinogenesis, June 1, 2003; 24(6): 1133 - 1141. [Abstract] [Full Text] [PDF] |
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H. Kamiya Mutagenic potentials of damaged nucleic acids produced by reactive oxygen/nitrogen species: approaches using synthetic oligonucleotides and nucleotides: SURVEY AND SUMMARY Nucleic Acids Res., January 15, 2003; 31(2): 517 - 531. [Abstract] [Full Text] [PDF] |
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J. R. Silber, M. S. Bobola, A. Blank, K. D. Schoeler, P. D. Haroldson, M. B. Huynh, and D. D. Kolstoe The Apurinic/Apyrimidinic Endonuclease Activity of Ape1/Ref-1 Contributes to Human Glioma Cell Resistance to Alkylating Agents and Is Elevated by Oxidative Stress Clin. Cancer Res., September 1, 2002; 8(9): 3008 - 3018. [Abstract] [Full Text] [PDF] |
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A. G. Georgakilas, P. V. Bennett, and B. M. Sutherland High efficiency detection of bi-stranded abasic clusters in {gamma}-irradiated DNA by putrescine Nucleic Acids Res., July 1, 2002; 30(13): 2800 - 2808. [Abstract] [Full Text] [PDF] |
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C. M. Ulrich, J. Bigler, R. Bostick, L. Fosdick, and J. D. Potter Thymidylate Synthase Promoter Polymorphism, Interaction with Folate Intake, and Risk of Colorectal Adenomas Cancer Res., June 1, 2002; 62(12): 3361 - 3364. [Abstract] [Full Text] [PDF] |
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R. W. Sobol, D. E. Watson, J. Nakamura, F. M. Yakes, E. Hou, J. K. Horton, J. Ladapo, B. Van Houten, J. A. Swenberg, K. R. Tindall, et al. Mutations associated with base excision repair deficiency and methylation-induced genotoxic stress PNAS, May 14, 2002; 99(10): 6860 - 6865. [Abstract] [Full Text] [PDF] |
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Z. Fan, P. J. Beresford, D. Zhang, and J. Lieberman HMG2 Interacts with the Nucleosome Assembly Protein SET and Is a Target of the Cytotoxic T-Lymphocyte Protease Granzyme A Mol. Cell. Biol., April 15, 2002; 22(8): 2810 - 2820. [Abstract] [Full Text] [PDF] |
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D. M. Flaherty, M. M. Monick, and G. W. Hunninghake AP Endonucleases and the Many Functions of Ref-1 Am. J. Respir. Cell Mol. Biol., December 1, 2001; 25(6): 664 - 667. [Full Text] [PDF] |
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A. M. Wilstermann and N. Osheroff Base Excision Repair Intermediates as Topoisomerase II Poisons J. Biol. Chem., November 30, 2001; 276(49): 46290 - 46296. [Abstract] [Full Text] [PDF] |
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H. Fung, R. A. O. Bennett, and B. Demple Key Role of a Downstream Specificity Protein 1 Site in Cell Cycle-regulated Transcription of the AP Endonuclease Gene APE1/APEX in NIH3T3 Cells J. Biol. Chem., November 2, 2001; 276(45): 42011 - 42017. [Abstract] [Full Text] [PDF] |
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P.-H. Lin, J. Nakamura, S. Yamaguchi, P. B. Upton, D. K. La, and J. A. Swenberg Oxidative damage and direct adducts in calf thymus DNA induced by the pentachlorophenol metabolites, tetrachlorohydroquinone and tetrachloro-1,4-benzoquinone Carcinogenesis, April 1, 2001; 22(4): 627 - 634. [Abstract] [Full Text] [PDF] |
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P.-H. Lin, J. Nakamura, S. Yamaguchi, D. K. La, P. B. Upton, and J. A. Swenberg Induction of direct adducts, apurinic/apyrimidinic sites and oxidized bases in nuclear DNA of human HeLa S3 tumor cells by tetrachlorohydroquinone Carcinogenesis, April 1, 2001; 22(4): 635 - 639. [Abstract] [Full Text] [PDF] |
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M. R. Kelley, L. Cheng, R. Foster, R. Tritt, J. Jiang, J. Broshears, and M. Koch Elevated and Altered Expression of the Multifunctional DNA Base Excision Repair and Redox Enzyme Ape1/ref-1 in Prostate Cancer Clin. Cancer Res., April 1, 2001; 7(4): 824 - 830. [Abstract] [Full Text] |
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M. N. Rios-Blanco, T. H. Faller, J. Nakamura, W. Kessler, P. E. Kreuzer, A. Ranasinghe, J. G. Filser, and J. A. Swenberg Quantitation of DNA and hemoglobin adducts and apurinic/apyrimidinic sites in tissues of F344 rats exposed to propylene oxide by inhalation Carcinogenesis, November 1, 2000; 21(11): 2011 - 2018. [Abstract] [Full Text] [PDF] |
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M. Sabourin and N. Osheroff Sensitivity of human type II topoisomerases to DNA damage: stimulation of enzyme-mediated DNA cleavage by abasic, oxidized and alkylated lesions Nucleic Acids Res., May 1, 2000; 28(9): 1947 - 1954. [Abstract] [Full Text] [PDF] |
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L. J. Marnett Oxyradicals and DNA damage Carcinogenesis, March 1, 2000; 21(3): 361 - 370. [Abstract] [Full Text] [PDF] |
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J. Nakamura, D. K. La, and J. A. Swenberg 5'-Nicked Apurinic/Apyrimidinic Sites Are Resistant to beta -Elimination by beta -Polymerase and Are Persistent in Human Cultured Cells after Oxidative Stress J. Biol. Chem., February 25, 2000; 275(8): 5323 - 5328. [Abstract] [Full Text] [PDF] |
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J. K. Horton, R. Prasad, E. Hou, and S. H. Wilson Protection against Methylation-induced Cytotoxicity by DNA Polymerase beta -Dependent Long Patch Base Excision Repair J. Biol. Chem., January 21, 2000; 275(3): 2211 - 2218. [Abstract] [Full Text] [PDF] |
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H. Atamna, I. Cheung, and B. N. Ames A method for detecting abasic sites in living cells: Age-dependent changes in base excision repair PNAS, January 18, 2000; 97(2): 686 - 691. [Abstract] [Full Text] [PDF] |
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S.H. WILSON, R.W. SOBOL, W.A. BEARD, J.K. HORTON, R. PRASAD, and B.J. VANDE BERG DNA Polymerase {beta} and Mammalian Base Excision Repair Cold Spring Harb Symp Quant Biol, January 1, 2000; 65(0): 143 - 156. [Abstract] [PDF] |
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T. A. Ranalli, M. S. DeMott, and R. A. Bambara Mechanism Underlying Replication Protein A Stimulation of DNA Ligase I J. Biol. Chem., January 11, 2002; 277(3): 1719 - 1727. [Abstract] [Full Text] [PDF] |
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