V.C. Oliveira, F.A. Caxito, K.B. Gomes, A.M. Castro, V.C. Pardini, A.C.S. Ferreira
Published: July 14, 2009
Genet. Mol. Res. 8 (3) : 794-798
DOI: https://doi.org/10.4238/vol8-3gmr562
Cite this Article:
V.C. Oliveira, F.A. Caxito, K.B. Gomes, A.M. Castro, V.C. Pardini, A.C.S. Ferreira (2009). Frequency of the S65C mutation in the hemochromatosis gene in Brazil. Genet. Mol. Res. 8(3): 794-798. https://doi.org/10.4238/vol8-3gmr562
About the Authors
V.C. Oliveira, F.A. Caxito, K.B. Gomes, A.M. Castro, V.C. Pardini, A.C.S. Ferreira
Corresponding Author
V.C. Oliveira
Email: vanessa.oliveira@labhpardini.com.br
ABSTRACT
Development of hereditary hemochromatosis is associated with the C282Y, H63D or S65C mutations in the hemochromatosis gene. Though there is extensive knowledge about the former two, there is little information on the mechanism of action and the allelic frequency of the S65C mutation. We examined the prevalence of the S65C mutation of the hemochromatosis gene in Brazilians with clinical suspicion of hereditary hemochromatosis. Genotyping for this mutation was carried out in 633 individuals with clinical suspicion of hereditary hemochromatosis, using the polymerase chain reaction, followed by enzymatic digestion. The sample comprised 77.1% men and 22.9% women, giving a ratio of approximately 3:1; the mean age was 48.8 + 13.8 years. More than half (57.3%) of the individuals in the sample were 41 to 60 years old. The frequency of heterozygotes for this mutation was 0.016; no homozygous mutant patients were found. This is the first analysis of the S65C mutation in individuals suspected of having hereditary hemochromatosis in Brazil.
Key words: Hereditary hemochromatosis, Brazil, HFE gene, S65C mutation.