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2000
Volume 21, Issue 4
  • ISSN: 1871-5303
  • E-ISSN: 2212-3873

Abstract

Background: Thyroid peroxidase (TPO) gene mutation leads to a change in enzyme built structure resulting in the anti-TPO autoantibodies production that may cause thyroid destruction. Aim: To evaluate the association of three single nucleotide polymorphisms (SNPs) of the TPO gene and anti-TPO levels in Egyptian patients with autoimmune hypothyroidism and correlate them with the disease severity. Methods: Two hundred patients with newly discovered autoimmune hypothyroidism were included in the study (100 with subclinical hypothyroidism and 100 of them with overt hypothyroidism) and 100 healthy individuals as a control group were genotyped by PCR-REFLP. Results: The TT genotype of rs2071400 C/T and the T allele were significantly more frequent in patients with subclinical hypothyroidism and overt hypothyroidism than in the control group. But there were no significant differences in the TT genotype and T allele between subclinical and overt hypothyroidism patients. As regards TPO rs732609 A/C polymorphism, the CC genotype of rs732609 A/C and the C allele were significantly increased in patients with subclinical hypothyroidism and overt hypothyroidism than in controls. There was a significant difference in the CC genotype and C allele between subclinical and overt hypothyroidism patients. Concerning TPO rs1126797 C/T polymorphism, there were no significant differences of genotype or allele frequencies between patients groups and control group. Conclusion: We found an association of rs2071400 C/T and rs732609A/C polymorphisms with autoimmune hypothyroidism and correlated anti-TPO levels with different genotypes in hypothyroid patients. Also, we found an association of rs732609A/C polymorphism with the disease severity.

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/content/journals/emiddt/10.2174/1871530320666200715101907
2021-04-01
2025-05-19
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  • Article Type:
    Research Article
Keyword(s): Autoimmune; HD; hypothyroidism; polymorphism; thyroid peroxidase; TPO
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