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PTPN22 Polymorphism is Related to Autoimmune Disease Risk in Patients with Turner Syndrome

Bianco, B. ; Verreschi, I. T. N. ; Oliveira, K. C. ; Guedes, A. D. ; Galera, B. B. ; Galera, M. F. ; Barbosa, C. P. ; Lipay, M. V. N.

Scandinavian journal of immunology, 2010-09, Vol.72 (3), p.256-259 [Periódico revisado por pares]

Oxford, UK: Blackwell Publishing Ltd

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Título:
PTPN22 Polymorphism is Related to Autoimmune Disease Risk in Patients with Turner Syndrome
Autor: Bianco, B. ; Verreschi, I. T. N. ; Oliveira, K. C. ; Guedes, A. D. ; Galera, B. B. ; Galera, M. F. ; Barbosa, C. P. ; Lipay, M. V. N.
Assuntos: Adolescent ; Adult ; Autoimmune Diseases - genetics ; Brazil ; Child ; Child, Preschool ; Chromosome Aberrations ; Female ; Gene Frequency - genetics ; Genotype ; Heterozygote ; Homozygote ; Humans ; Infant ; Middle Aged ; Polymorphism, Single Nucleotide - genetics ; Protein Tyrosine Phosphatase, Non-Receptor Type 22 - genetics ; Turner Syndrome - genetics ; Young Adult
É parte de: Scandinavian journal of immunology, 2010-09, Vol.72 (3), p.256-259
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SourceType-Scholarly Journals-1
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Descrição: Individuals with Turner syndrome (TS) clearly have an increased risk for autoimmune diseases. Recently, an allelic variation (C1858T) of the PTPN22 gene was revealed to be associated with the development of autoimmunity. Thus, the aim of this study was to determine the frequency of the PTPN22 C1858T polymorphism in women with Turner syndrome (TS) compared to controls. Case–control study comprises 142 women with TS (cases) and 180 healthy and fertile women without a history of autoimmune disease (controls). Detection of the PTPN22 C1858T polymorphism (rs2476601) was performed by TaqMan real‐time PCR. The chi‐square test was used to compare allele and genotype frequencies between groups and to estimate the Hardy–Weinberg equilibrium. All P‐values were two‐tailed, and 95% confidence intervals (CIs) were calculated. A P‐value <0.05 was considered statistically significant. Genotypes CC, CT and TT of the PTPN22 C1858T polymorphism presented frequencies of, respectively, 67.6%, 28.2% and 4.2% in the TS, and 82.8%, 16.1% and 1.1% in the control group (P = 0.0043). Alleles C and T were present in, respectively, 81.7% and 18.3% of the patients with TS (P = 0.001, OR = 2.22, 95% CI = 1.39‐3.54) and in 90.8% and 9.2%, respectively, of the controls. The data suggest that in Brazilian patients with TS, the PTPN22 C1858T polymorphism may be an important genetic factor predisposing to autoimmune disease risk.
Editor: Oxford, UK: Blackwell Publishing Ltd
Idioma: Inglês

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PTPN22 Polymorphism is Related to Autoimmune Disease Risk in Patients with Turner Syndrome

Bianco, B. ; Verreschi, I. T. N. ; Oliveira, K. C. ; Guedes, A. D. ; Galera, B. B. ; Galera, M. F. ; Barbosa, C. P. ; Lipay, M. V. N.

Oxford, UK: Blackwell Publishing Ltd

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