D. Bell

Publications223
h-index72
Citations17,849
Highly Influential Citations832
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Identification of novel NRF2-regulated genes by ChIP-Seq: influence on retinoid X receptor alpha
Cellular oxidative and electrophilic stress triggers a protective response in mammals regulated by NRF2 (nuclear factor (erythroid-derived) 2-like; NFE2L2) binding to deoxyribonucleic acid-regulatory… Expand
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Human glutathione S-transferase P1 polymorphisms: relationship to lung tissue enzyme activity and population frequency distribution.
The association between glutathione S-transferase (GST) activity as measured by 1-chloro-2,4-dinitrobenzene (CDNB) conjugation and genotype at exon 5 and exon 6 of the human GSTP1 gene was… Expand
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The role of the CYP2C9-Leu359 allelic variant in the tolbutamide polymorphism.
Tolbutamide undergoes hydroxylation in humans via a cytochrome P450-mediated pathway. The primary P450 isozyme responsible for this metabolism is thought to be CYP2C9. Population studies have… Expand
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Association between glutathione S-transferase M1, P1, and T1 genetic polymorphisms and development of breast cancer.
BACKGROUND Glutathione S-transferases (GSTs) are encoded by a superfamily of genes and play a role in the detoxification of potential carcinogens. In a nested case-control study, we investigated… Expand
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Polymorphisms in the DNA repair gene XRCC1 and breast cancer.
X-ray repair cross complementing group 1 (XRCC1) encodes a protein involved in base excision repair. We examined the association of polymorphisms in XRCC1 (codon 194 Arg-->Trp and codon 399… Expand
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450K Epigenome-Wide Scan Identifies Differential DNA Methylation in Newborns Related to Maternal Smoking during Pregnancy
Background: Epigenetic modifications, such as DNA methylation, due to in utero exposures may play a critical role in early programming for childhood and adult illness. Maternal smoking is a major… Expand
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An association between the allele coding for a low activity variant of catechol-O-methyltransferase and the risk for breast cancer.
Mounting evidence suggests that catechol metabolites of estradiol may contribute to the development of estrogen-induced cancers. O-Methylation, catalyzed by catechol-O-methyltransferase (COMT),… Expand
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XRCC1 polymorphisms: effects on aflatoxin B1-DNA adducts and glycophorin A variant frequency.
Hereditary genetic defects in DNA repair lead to increased risk of cancer. Polymorphisms in several DNA repair genes have been identified; however, the impact on repair phenotype has not been… Expand
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Frequencies of the defective CYP2C19 alleles responsible for the mephenytoin poor metabolizer phenotype in various Oriental, Caucasian, Saudi Arabian and American black populations.
The 4'-hydroxylation of S-mephenytoin is polymorphic in man. The poor metabolizer (PM) phenotype exhibits a lower frequency in Caucasians (2-5%) compared to Oriental populations (13-23%). Previous… Expand
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Glutathione S-transferase GSTT1 genotypes and susceptibility to cancer: studies of interactions with GSTM1 in lung, oral, gastric and colorectal cancers.
Allelism in glutathione S-transferase GSTM1 and GSTT1 has been suggested as a risk factor in various cancers. Accordingly, we describe a group of case-control studies carried out to identify… Expand
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