Correlation between Interleukin-4 Gene Promoter Polymorphisms with Thyrotropin Receptor Antibody and Transforming Growth Factor-β
DOI:
https://doi.org/10.3889/oamjms.2020.5384Keywords:
Graves' disease, Interleukin-4, Gene promoter polymorphism, TRAb, TGF-βAbstract
AIM: The aim of this study was to determine the correlation between interleukin-4 (IL-4) gene promoter polymorphisms with thyrotropin receptor antibody (TRAb) and transforming growth factor-β (TGF-β).
METHODS: This study was conducted from August 2015 until December 2015 in the internal medicine department in Dr. M. Djamil Hospital, Padang, West Sumatera, Indonesia. Graves’ disease was confirmed by measuring free thyroxine, thyroid-stimulating hormone, and TRAb. We examined that IL-4 promotor gene polymorphism was examined with a polymerase chain reaction. Graves’ disease serum patients will be used to check levels of TGFβ and TRAb antibodies using the enzyme-linked immunoassay method.
RESULTS: There are 15 patients in this study. The average of age in patients group is 40.87 (11.23) years. The number of female patients in this study is more than male patients, with the percentage of women are 73.3%, and men are 26.7%. The sequencing examination on IL-4 gene promoter resulted in 2 single nucleotide polymorphism motifs, which are rs2243250 and rs2070847. The mean TRAb level in wild type and mutant group is 6.77 (5.73) IU/L and 4.66 (3.91) IU/L, respectively. The mean TGF-β levels in wild type and mutant group are 1168.89 (438.91) pg/mL and 1114.79 (296.02) pg/mL, respectively. Statistical tests showed no association between IL-4 gene promoter polymorphisms with TRAb and TGF-β levels (p > 0.05).
CONCLUSION: There is no correlation between IL-4 gene promoter polymorphisms with TRAb and TGF-β.
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Copyright (c) 2020 Raveinal Raveinal, Eryati Darwin, Eva Decroli, Jamsari Jamsari (Author)
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