Biomarkers 2011-03-01

DNA adducts of ortho-toluidine in human bladder.

Francine Böhm, Dagmar Schmid, Stefan Denzinger, Wolf F Wieland, Elmar Richter

文献索引：Biomarkers 16(2) , 120-8, (2011)

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摘要

4-Aminobiphenyl (4-ABP) and o-toluidine are known human bladder carcinogens, but only 4-ABP-releasing DNA adducts are known.Determination of 4-ABP and o-toluidine-releasing DNA adducts in epithelial and submucosal bladder tissues of sudden death victims (SDV: n=46), and bladder tumours (n=12) by gas chromatography/mass spectrometry.Above background, 4 and 11 of 12 tumour samples contained adducts of 4-ABP (0.057 ± 0.125 fmol/µg DNA) and o-toluidine (8.72 ± 4.49 fmol/µg DNA), respectively. Lower adduct levels were present in both epithelial and submucosal bladder tissues of SDV (4-ABP: 0.011 ± 0.022 and 0.019 ± 0.047 fmol/µg DNA; o-toluidine: 0.24 ± 0.63 and 0.27 ± 0.70 fmol/µg DNA).Detection of o-toluidine-releasing DNA adducts support the carcinogenicity of o-toluidine in the human bladder.

相关化合物

  • 邻甲苯胺
  • 4-氨基联苯
  • 邻甲苯胺盐酸盐

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