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- Cederblad, LenaUppsala universitet,Enheten för onkologi (author)
The Combined Effects of Single-Nucleotide Polymorphisms, Tobacco Products, and Ethanol on Normal Resting Blood Mononuclear Cells
- Article/chapterEnglish2013
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- 2012-10-04
- Oxford University Press (OUP),2013
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- LIBRIS-ID:oai:DiVA.org:uu-200343
- https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-200343URI
- https://doi.org/10.1093/ntr/nts207DOI
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- Language:English
- Summary in:English
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- Introduction: Tobacco and ethanol consumption are crucial factors in the development of various diseases including cancer. In this investigation, we evaluated the combined effects of a number of single nucleotide polymorphisms (SNPs), with ethanol and tobacco products on healthy individuals. Methods: Pure nicotine, cigarette smoke extract, and Swedish snuff (snus) extract were used. The effects were examined by means of in vitro cell cycle progression and cell death of peripheral blood mononuclear cells (PBMCs) obtained from healthy donors. Results: After 3 days, in vitro, resting PBMCs entered the S and G2 stage in the presence of 100 mu M nicotine. The PBMCs only proceeded to S stage, in the presence of 0.2% ethanol. The nicotine- and ethanol-induced normal cell cycle progression correlated to a number of SNPs in the IL12RB2, Rad 52, XRCC2, P53, CCND3, and ABCA1 genes. Certain SNPs in Caspases 8, IL12RB2, Rad 52, MMP2, and MDM2 genes appeared to significantly influence the effects of EtOH-, snus-, and snus + EtOH-induced cell death. Importantly, the highest degree of cell death was observed in the presence of smoke + EtOH. The amount of cell death under this treatment condition also correlated to specific SNPs, located in the MDM2, ABCA1, or GASC1 genes. Conclusions: Cigarette smoke in combination with ethanol strongly induced massive cell death. Long-term exposure to smoke and ethanol could provoke chronic inflammation, and this could be the initiation of disease including the development of cancer at various sites.
Added entries (persons, corporate bodies, meetings, titles ...)
- Thunberg, UlfUppsala universitet,Enheten för onkologi(Swepub:uu)ulfthunb (author)
- Engström, MatsUppsala universitet,Öron-, näs- och halssjukdomar(Swepub:uu)matengstr (author)
- Castro, Juan (author)
- Rutqvist, Lars Erik (author)
- Laytragoon-Lewin, NongnitUppsala universitet,Enheten för onkologi(Swepub:uu)nonla697 (author)
- Uppsala universitetEnheten för onkologi (creator_code:org_t)
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- In:Nicotine & tobacco research: Oxford University Press (OUP)15:5, s. 890-8951462-22031469-994X
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