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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 
 
 

GSTO polymorphism analysis in thyroid nodules suggest that GSTO1 variants do not influence the risk for malignancy.

A new class of glutathione S-transferase enzymes named omega (GSTO) has been recently identified and shown to be expressed in a wide range of human tissues. A genetic polymorphism of the GSTO1 gene causing an alanine-to-aspartate (A140D) substitution in amino acid 140 produces a variant with lowered enzyme activities in the biotransformation of inorganic arsenic, a common contaminant of drinking water in many regions of the world and a well-known carcinogen. In order to investigate the role of GSTO1 inheritance pattern on thyroid cancer risk we used a polymerase chain reaction-single strand conformation polymorphism (PCR-SSCP)-sequencing approach to compare the genotypes of 173 (87 women, 86 men; 18-81 years old; 47+/-18 years old) healthy control individuals with those of 145 patients with thyroid nodules (84 women, 61 men; 17-81 years old; 49+/-14 years old) including 17 follicular carcinomas, 76 papillary carcinomas, 21 follicular adenomas and 31 multinodular goiters. The incidence of GSTO1 variants was similar in the control population and population with the benign and malignant nodules. There was no association between genotype and the patients' clinical features, tumour parameters of aggressiveness at diagnosis or behaviour during follow-up. We conclude that GSTO1 variants do not influence the risk for thyroid nodules or their pathologic and clinical characteristics.[1]

References

  1. GSTO polymorphism analysis in thyroid nodules suggest that GSTO1 variants do not influence the risk for malignancy. Granja, F., Morari, E.C., Assumpção, L.V., Ward, L.S. Eur. J. Cancer Prev. (2005) [Pubmed]
 
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