- Chang SI. El-Bayoumy K. Sinha I. Trushin N. Stanley B. Pittman B. Prokopczyk B. 4-(Methylnitrosamino)-I-(3-pyridyl)-1-butanone enhances the expression of apolipoprotein A-I and Clara cell 17-kDa protein in the lung proteomes of rats fed a corn oil diet but not a fish oil diet. 2007 Feb. Cancer Epidemiol Biomarkers Prev. 16(2):228-35.
National Cancer Institute |
- Prokopczyk B. Leder G. Trushin N. Cunningham AJ. Akerkar S. Pittman B. Ramadani M. Straeter J. Beger HG. Henne-Bruns D. El-Bayoumy K. 4-Hydroxy-1-(3-pyridyl)-1-butanone, an indicator for 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone-induced DNA damage, is not detected in human pancreatic tissue. 2005 Feb. Cancer Epidemiol Biomarkers Prev. 14(2):540-1.
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- El-Bayoumy K. Richie JP. Boyiri T. Komninou D. Prokopczyk B. Trushin N. Kleinman W. Cox J. Pittman B. Colosimo S. Influence of selenium-enriched yeast supplementation on biomarkers of oxidative damage and hormone status in healthy adult males: a clinical pilot study. 2002 Nov. Cancer Epidemiol Biomarkers Prev. 11(11):1459-65.
Public Health Service |
- Prokopczyk B. Hoffmann D. Bologna M. Cunningham AJ. Trushin N. Akerkar S. Boyiri T. Amin S. Desai D. Colosimo S. Pittman B. Leder G. Ramadani M. Henne-Bruns D. Beger HG. El-Bayoumy K. Identification of tobacco-derived compounds in human pancreatic juice. 2002 May. Chem Res Toxicol. 15(5):677-85.
National Cancer Institute |
- Prokopczyk B. Trushin N. Leszczynska J. Waggoner SE. El-Bayoumy K. Human cervical tissue metabolizes the tobacco-specific nitrosamine, 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone, via alpha-hydroxylation and carbonyl reduction pathways. 2001 Jan. Carcinogenesis. 22(1):107-14.
National Cancer Institute |
- Prokopczyk B. Rosa JG. Desai D. Amin S. Sohn OS. Fiala ES. El-Bayoumy K. Chemoprevention of lung tumorigenesis induced by a mixture of benzo(a)pyrene and 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone by the organoselenium compound 1,4-phenylenebis(methylene)selenocyanate. 2000 Dec 8. Cancer Lett. 161(1):35-46.
National Cancer Institute |
- Melikian AA. Sun P. Prokopczyk B. El-Bayoumy K. Hoffmann D. Wang X. Waggoner S. Identification of benzo[a]pyrene metabolites in cervical mucus and DNA adducts in cervical tissues in humans by gas chromatography-mass spectrometry. 1999 Nov 15. Cancer Lett. 146(2):127-34.
National Cancer Institute |
- Rosa JG. Prokopczyk B. Desai DH. Amin SG. El-Bayoumy K. Elevated 8-hydroxy-2'-deoxyguanosine levels in lung DNA of A/J mice and F344 rats treated with 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone and inhibition by dietary 1,4-phenylenebis(methylene)selenocyanate. 1998 Oct. Carcinogenesis. 19(10):1783-8.
National Cancer Institute |
- Prokopczyk B. Amin S. Desai DH. Kurtzke C. Upadhyaya P. El-Bayoumy K. Effects of 1,4-phenylenebis(methylene)selenocyanate and selenomethionine on 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone-induced tumorigenesis in A/J mouse lung. 1997 Sep. Carcinogenesis. 18(9):1855-7.
National Cancer Institute |
- Prokopczyk B. Cox JE. Hoffmann D. Waggoner SE. Identification of tobacco-specific carcinogen in the cervical mucus of smokers and nonsmokers. 1997 Jun 18. J Natl Cancer Inst. 89(12):868-73.
National Cancer Institute |
- Prokopczyk B. Cox JE. Upadhyaya P. Amin S. Desai D. Hoffmann D. el-Bayoumy K. Effects of dietary 1,4-phenylenebis(methylene)selenocyanate on 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone-induced DNA adduct formation in lung and liver of A/J mice and F344 rats. 1996 Apr. Carcinogenesis. 17(4):749-53.
National Cancer Institute |
- Brunnemann KD. Prokopczyk B. Djordjevic MV. Hoffmann D. Formation and analysis of tobacco-specific N-nitrosamines. 1996. Crit Rev Toxicol. 26(2):121-37.
National Cancer Institute |
- el-Bayoumy K. Prokopczyk B. Peterson LA. Desai D. Amin S. Reddy BS. Hoffmann D. Wynder E. Effects of dietary fat content on the metabolism of NNK and on DNA methylation induced by NNK. 1996. Nutr Cancer. 26(1):1-10.
National Cancer Institute |
- Idris AM. Prokopczyk B. Hoffmann D. Toombak: a major risk factor for cancer of the oral cavity in Sudan. 1994 Nov. Prev Med. 23(6):832-9.
National Cancer Institute |
- Djordjevic MV. Hoffmann D. Fan J. Prokopczyk B. Citron ML. Stellman SD. Assessment of chlorinated pesticides and polychlorinated biphenyls in adipose breast tissue using a supercritical fluid extraction method. 1994 Nov. Carcinogenesis. 15(11):2581-5.
National Cancer Institute |
- Chung FL. Krzeminski J. Wang M. Chen HJ. Prokopczyk B. Formation of the acrolein-derived 1,N2-propanodeoxyguanosine adducts in DNA upon reaction with 3-(N-carbethoxy-N-nitrosamino)propionaldehyde. 1994 Jan-Feb. Chem Res Toxicol. 7(1):62-7.
National Cancer Institute |
- Hoffmann D. Brunnemann KD. Prokopczyk B. Djordjevic MV. Tobacco-specific N-nitrosamines and Areca-derived N-nitrosamines: chemistry, biochemistry, carcinogenicity, and relevance to humans. 1994 Jan. J Toxicol Environ Health. 41(1):1-52.
National Cancer Institute |
- Prokopczyk B. Hoffmann D. Cox JE. Djordjevic MV. Brunnemann KD. Supercritical fluid extraction in the determination of tobacco-specific N-nitrosamines in smokeless tobacco. 1992 May-Jun. Chem Res Toxicol. 5(3):336-40.
National Cancer Institute |
- Prokopczyk B. Wu M. Cox JE. Hoffmann D. Bioavailability of tobacco-specific N-nitrosamines to the snuff dipper. 1992 May. Carcinogenesis. 13(5):863-6.
National Cancer Institute |
- Nishikawa A. Prokopczyk B. Rivenson A. Zang E. Hoffmann D. A study of betel quid carcinogenesis--VIII. Carcinogenicity of 3-(methylnitrosamino)propionaldehyde in F344 rats. 1992 Mar. Carcinogenesis. 13(3):369-72.
National Cancer Institute |
- Prokopczyk B. Rivenson A. Hoffmann D. A study of betel quid carcinogenesis. IX. Comparative carcinogenicity of 3-(methylnitrosamino)propionitrile and 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone upon local application to mouse skin and rat oral mucosa. 1991 Nov. Cancer Lett. 60(2):153-7.
National Cancer Institute |
- Prokopczyk B. Bertinato P. Hoffmann D. Synthesis and kinetics of decomposition of 7-(2-cyanoethyl)guanine and O6-(2-cyanoethyl)guanine, markers for reaction of acrylonitrile and 3-(methylnitrosamino)propionitrile with DNA. 1988 Nov. Carcinogenesis. 9(11):2125-8.
National Cancer Institute |
- Prokopczyk B. Bertinato P. Hoffmann D. Cyanoethylation of DNA in vivo by 3-(methylnitrosamino)propionitrile, an Areca-derived carcinogen. 1988 Dec 1. Cancer Res. 48(23):6780-4.
National Cancer Institute |
- Rivenson A. Hoffmann D. Prokopczyk B. Amin S. Hecht SS. Induction of lung and exocrine pancreas tumors in F344 rats by tobacco-specific and Areca-derived N-nitrosamines. 1988 Dec 1. Cancer Res. 48(23):6912-7.
National Cancer Institute |
- Prokopczyk B. Rivenson A. Bertinato P. Brunnemann KD. Hoffmann D. 3-(Methylnitrosamino)propionitrile: occurrence in saliva of betel quid chewers, carcinogenicity, and DNA methylation in F344 rats. 1987 Jan 15. Cancer Res. 47(2):467-71.
National Cancer Institute |
- Prokopczyk B. Brunnemann KD. Bertinato P. Hoffmann D. The role of N-(nitrosomethylamino)propionitrile in betel-quid carcinogenesis. 1987. IARC Sci Publ. 470-3.
National Cancer Institute |
