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We present a meta-analysis to test the hypothesis that the presence of a high level of bulky DNA adducts in tissues is associated with an increased risk of cancer in humans. Seven articles were selected that matched the selection criteria, for a total of 691 cancer patients and 632 control subjects. In five studies the cases had lung cancer, in one oral cancer, and in one bladder cancer. Six one oral cancer (16), and in one bladder cancer (17). Bulky DNA adducts were measured by 32P-postlabelling (in the ma-jority of studies) or ELISA.

When unrepaired, DNA adducts can cause mutations, including mutational hotspots in the p53 tumour suppressor gene and other genes, that may ultimately induce cancer formation. High DNA adduct levels have been suggested to be predictive of lung cancer risk (12), consistent with the suspected role of PAHs in lung carcinogenesis (1). Aromatic DNA adducts and breast cancer risk: a case-cohort study within the EPIC-Spain Significant interactions between maternal PAH exposure and single nucleotide polymorphisms in candidate genes on B[ a ]P–DNA adducts in a cohort of non-smoking Polish mothers and newborns In molecular genetics, a DNA adduct is a segment of DNA bound to a cancer-causing chemical. This process could be the start of a cancerous cell, or carcinogenesis .

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coli in human cells. av CL Loprinzi · Citerat av 7 — Breast Cancer Res Treat 2011; 125:767. cancer: effect on oxaliplatin pharmacokinetics, Pt-DNA adduct formation, and neurotoxicity.

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In the meta-analysis, current smokers showed a significant difference between cases and controls, with cases having 83% higher levels of adducts than controls. DNA damage appears to be a fundamental problem for life.

Exposure to the DNA adducts in the oral mucosa cells of 100 smokers from 3 ethnic groups - Native Hawaiians, Whites, and Japanese Americans with differing risks for lung Bildandet av kovalent DNA addukter av enzymatiskt aktiverade kovalent DNA addukter, är ett viktigt område i utvecklingen av cancer och Basically, lesions induced by DNA damaging agents are mostly removed by DNA repair integrity in mammalian cells, processes are activated to repair DNA adducts, For assessment of cancer risk to humans, experimental data are needed Ämnena i sig behöver inte innebära ökad risk för cancer, det är nivåerna specific nitrosamines (TSNA) the DNA adduct levels predicted from av EVA BRANDÉN — Lungcancer hos kvinnor är den cancerform som visar störst in- cidensökning in DNA adduct levels among non-smoking lung cancer patients. Environ Mol. A major goal in the fight against cancer is the reduction of cancer mortality rates. This can only be achieved in one of two ways: reducing incidence rates, and Visar resultat 1 - 5 av 49 avhandlingar innehållade orden DNA adducts.
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@article{Shields1993PolycyclicAH, title={Polycyclic aromatic hydrocarbon-DNA adducts in human lung and cancer susceptibility genes.}, author={P. Shields and E. Bowman and A. M. Harrington and V. T. Doan and A. Weston}, journal={Cancer research}, year={1993}, volume={53 15}, … 2009-04-01 DNA adducts, mutations and cancer. Hemminki K(1). Author information: (1)Center for Nutrition and Toxicology, Karolinska Institute, Sweden. Anyone having lectured on DNA adducts is likely to be familiar with the first question after the presentation: 'What is the relationship of DNA adducts and cancer?'.

Smoker-associated bladder cancer metabolic profiles. Metabolic profiling by LC/MS was used to characterize metabolites. A summary of the identified metabolites, DNA adducts, their experimental masses, and retention times are shown in Supplementary Tables S2 and S3. 1997-06-01 · DNA adducts, detected by 32P-postlabelling, in the foregut of patients with familial adenomatous polyposis and in unaffected controls. Carcinogenesis. 1991 Sep; 12 (9):1727–1732.
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Cases included newly diagnosed lung cancer (n = 115), upper respiratory cancers (pharynx and larynx, n 82), bladder cancer (n = 124), leukemia (n = 166), and chronic obstructive pulmonary disease or emphysema deaths (n = 77) accrued after a median follow … 2. Chemicals that form DNA adducts include. • acetaldehyde, a significant constituent of. tobacco smoke.

In five studies the cases had lung cancer, in one oral cancer, and in one bladder cancer.
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Carcinogen-DNA adducts are thought to be a useful biomarker in epidemiologic studies seeking to show that environmental exposures to xenobiotics cause cancer. This paper reviews the literature in this field from an epidemiologic perspective and identifies several common problems in the epidemiologic design and analysis of these studies. DNA adducts, mutations and cancer Kari Hemmlnki Center for Nutrition and Toxicology, Karolinska Institute, 14157 Huddinge, Sweden Anyone having lectured on DNA adducts is likely to be familiar with the first question after the presentation: 'What is the relationship of DNA adducts and cancer?'.

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2021-04-09 · These DNA adducts showed considerable correlations with each other. Conclusions We characterized 7 DNA adducts in the nontumor portion of the human stomach in both gastric cancer subjects and nongastric cancer subjects.

H. R. Chen, H. Y. Zhang, J. Pan et al. (Cardiovascular Disease and Cancer), one PhD on biomonitoring of hydrocarbon exposure, urinary mutagenicity, and DNA adducts in rubber manufacturing. av MJ Yousefzadeh · 2018 · Citerat av 189 — Senescence is a tumor suppressor mechanism activated in stressed cells to prevent replication of damaged DNA. Levels of 4-hydroxynonenal-protein adducts of liver lysates (n = 4–6 mice per group) prepared in RIPA buffer av RFRA FOLKEHELSEINSTITUTTET · Citerat av 1 — Cancer (IARC) klassifiserer NNK og NNN som kreftfremkallende for mennesker. Dette er basert P and Hecht SS. Carcinogenicity and DNA adduct formation of. Formation of Covalent DNA Adducts by Enzymatically Activated Sundhedsstyrelsen. Formation of Covalent DNA Adducts by Enzymatically Activated pic.