International journal of trichology · 2017
Association of Leukotrichia in Vitiligo and Asp148Glu Polymorphism of Apurinic/Apyrimidinic Endonuclease 1.
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Aydin A Fatih, Aydıngöz İkbal Esen, Doğru-Abbasoğlu Semra, Vural Pervin, Uysal Müjdat
Аннотация
BACKGROUND: Oxidative stress and increased DNA damage have been implicated in the etiopathogenesis of vitiligo. Oxidative DNA damage is mainly repaired by the base excision repair (BER) pathway.
AIM: We sought to determine whether polymorphisms in DNA repair genes may have a role in the pathogenesis of vitiligo.
MATERIALS AND METHODS: We conducted a study including 100 patients with vitiligo and age- and sex-matched 193 control subjects to examine the role of single-nucleotide polymorphisms of BER genes, human 8-oxoG DNA N-glycosylase 1 (codon 326), apurinic/apyrimidinic endonuclease 1 (APE1) (codon 148), and X-ray repair cross-complementing group 1 (codon 399) as risk factors for vitiligo. These polymorphisms were determined by quantitative real-time polymerase chain reaction and melting curve analysis.
RESULTS: No significant association was observed between the variant alleles of studied genes and vitiligo.
CONCLUSION: However, we showed that the presence of APE1 148Glu variant allele is associated with leukotrichia. This preliminary study suggests that APE1 (codon 148) polymorphism may play a role in vitiligo pathogenesis.
AIM: We sought to determine whether polymorphisms in DNA repair genes may have a role in the pathogenesis of vitiligo.
MATERIALS AND METHODS: We conducted a study including 100 patients with vitiligo and age- and sex-matched 193 control subjects to examine the role of single-nucleotide polymorphisms of BER genes, human 8-oxoG DNA N-glycosylase 1 (codon 326), apurinic/apyrimidinic endonuclease 1 (APE1) (codon 148), and X-ray repair cross-complementing group 1 (codon 399) as risk factors for vitiligo. These polymorphisms were determined by quantitative real-time polymerase chain reaction and melting curve analysis.
RESULTS: No significant association was observed between the variant alleles of studied genes and vitiligo.
CONCLUSION: However, we showed that the presence of APE1 148Glu variant allele is associated with leukotrichia. This preliminary study suggests that APE1 (codon 148) polymorphism may play a role in vitiligo pathogenesis.