A cross-sectional study of self-reported chemical-related sensitivity is associated with gene variants of drug-metabolizing enzymes
Environmental Health: A Global Access Science Source, ISSN: 1476-069X, Vol: 6, Issue: 1, Page: 6
2007
- 51Citations
- 28Captures
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Metrics Details
- Citations51
- Citation Indexes49
- 49
- CrossRef32
- Policy Citations2
- Policy Citation2
- Captures28
- Readers28
- 28
Article Description
Background. N-acetyltransferases (NAT) and glutathione S-transferases (GST) are involved in the metabolism of several ubiquitous chemical substances leading to the activation and detoxification of carcinogenic heterocyclic and aromatic amines. Since polymorphisms within these genes are described to influence the metabolism of ubiquitous chemicals, we conducted the present study to determine if individuals with self-reported chemical-related sensitivity differed from controls without self-reported chemical-related sensitivity with regard to the distribution of genotype frequencies of NAT2, GSTM1, GSTT1, and GSTP1 polymorphisms. Methods. Out of 800 subjects who answered a questionnaire of ten items with regard to their severity of chemical sensitivity 521 unrelated individuals agreed to participate in the study. Subsequently, genetic variants of the NAT2, GSTM1, GSTT1, and GSTP1 genes were analyzed. Results. The results show significant differences between individuals with and without self-reported chemical-related sensitivity with regard to the distribution of NAT2, GSTM1, and GSTT1 gene variants. Cases with self-reported chemical-related sensitivity were significantly more frequently NAT2 slow acetylators (controlled OR = 1.81, 95% CI = 1.27-2.59, P = 0.001). GSTM1 and GSTT1 genes were significantly more often homozygously deleted in those individuals reporting sensitivity to chemicals compared to controls (GSTM1: controlled OR 2.08, 95% CI = 1.46-2.96, P = 0.0001; GSTT1: controlled OR = 2.80, 95% CI = 1.65-4.75, P = 0.0001). Effects for GSTP1 gene variants were observed in conjunction with GSTM1, GSTT1 and NAT2 gene. Conclusion. The results from our study population show that individuals being slow acetylators and/or harbouring a homozygous GSTM1 and/or GSTT1 deletion reported chemical-related hypersensitivity more frequently. © 2007 Schnakenberg et al; licensee BioMed Central Ltd.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=33847184855&origin=inward; http://dx.doi.org/10.1186/1476-069x-6-6; http://www.ncbi.nlm.nih.gov/pubmed/17291352; http://ehjournal.biomedcentral.com/articles/10.1186/1476-069X-6-6; http://link.springer.com/content/pdf/10.1186/1476-069X-6-6; http://link.springer.com/content/pdf/10.1186/1476-069X-6-6.pdf; http://link.springer.com/article/10.1186/1476-069X-6-6/fulltext.html; https://dx.doi.org/10.1186/1476-069x-6-6; https://ehjournal.biomedcentral.com/articles/10.1186/1476-069X-6-6
Springer Nature
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