About: A distinct ERCC1 haplotype is associated with mRNA expression levels in prostate cancer patients

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type	Academic Article research paper schema:ScholarlyArticle
isDefinedBy	Covid-on-the-Web dataset
title	A distinct ERCC1 haplotype is associated with mRNA expression levels in prostate cancer patients
Creator	Bartsch, Helmut Celebi, Oktay Chang-Claude, Jenny Debus, Jürgen Lilla, Carmen »more»
source	PMC
abstract	Both genetic variants and messenger RNA (mRNA) expression of DNA repair and tumor suppressor genes have been investigated as molecular markers for therapy outcome. However, the phenotypic impact of genetic variants often remained unclear, thus the rationale of their use in risk prediction may be limited. We therefore analyzed genetic variants together with anthropometric and lifestyle factors to see how these affect mRNA levels of ERCC1 , MDM2 and TP53 in primary blood lymphocytes. mRNA expression was measured in 376 prostate cancer patients by quantitative real-time polymerase chain reaction after reverse transcription, and ERCC1 rs11615 T>C, ERCC1 rs3212986 C>A, MDM2 rs2279744 T>G and TP53 rs17878362 (p53PIN3) polymorphisms were determined. Considerable interindividual differences in mRNA expression were found (coefficients of variation: ERCC1 , 45%; MDM2 , 43% and TP53 , 35%). ERCC1 expression was positively correlated with plasma levels of β-carotene ( P = 0.03) and negatively correlated with canthaxanthin ( P = 0.02) and lutein ( P = 0.02). Overall, the polymorphisms affected mRNA expression only weakly. Carriers of a distinct ERCC1 haplotype (CC) showed, however, significantly lower expression values than non-carriers ( P = 0.001). Applying logistic regression, we found that CC haplotype carriers had a 1.69-fold increased odds ratio (95% confidence interval: 1.06–2.71) for reduced ERCC1 mRNA levels. This low ERCC1 expression might be associated with reduced DNA repair and better therapy response. In summary, the association we have found between ERCC1 genotype and mRNA expression supports recent clinical observations that genetic variation in ERCC1 can affect treatment outcome and prognosis. Our study further revealed a modulating effect by nutritional factors.
has issue date	2008-03-10(xsd:dateTime)
bibo:doi	10.1093/carcin/bgn067
bibo:pmid	18332046
has license	no-cc
sha1sum (hex)	286667285e86138c9bfe50d30d9f91b861c8867f
schema:url	https://doi.org/10.1093/carcin/bgn067
resource representing a document's title	A distinct ERCC1 haplotype is associated with mRNA expression levels in prostate cancer patients
has PubMed Central identifier	PMC7110227
has PubMed identifier	18332046
schema:publication	Carcinogenesis
resource representing a document's body	covid:286667285e86138c9bfe50d30d9f91b861c8867f#body_text
is schema:about of	named entity 'HAPLOTYPE' named entity 'response' named entity 'ERCC1' named entity 'correlated' named entity 'expression' »more»

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