The International Journal of Romanian Society of Endocrinology / Registered in 1938

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July - September 2022, Volume 18, Issue 3
General Endocrinology

Cakmak Genc G, Karakas Celik S, Arpaci D, Aktas T, Can M, Bayraktaroglu T, Dursun A

Granulysin Peptide and Gene Polymorphism in the Pathogenesis of Hashimoto Thyroiditis

Acta Endo (Buc) 2022, 18 (3): 288-293
doi: 10.4183/aeb.2022/288

Background. Hashimoto thyroiditis (HT) is an autoimmune disease and the most common cause of hypothyroidism. The widespread lymphocyte infiltration in the thyroid gland and intolerance of the body against its thyroid antigens leads to the destruction of thyroid cells and impaired thyroid function. Granulysin (GNLY) is a cytolytic antimicrobial peptide that has been associated with a wide range of diseases such as various infections, cancer, transplantation, and skin problems. However, there are a few studies investigating the relationship between HT and granulysin. Aim. Our study aims to investigate whether granulysin levels and GNLY gene polymorphism contribute to the damaged immune response leading to HT. Material and Methods. 100 unrelated patients diagnosed with HT and 140 healthy individuals were included in our study. Frequencies of GNLY rs10180391 and rs7908 gene polymorphisms were determined using PCR- RFLP method and serum granulysin levels were determined using ELISA. Results. There is no statistical significance between patient and control groups in terms of genotype and allele frequencies of GNLY gene polymorphisms and serum levels of granulysin. Conclusion. In conclusion, granulysin and GNLY gene polymorphisms do not appear to relate to HT disease.

Keywords: Hashimoto, thyroiditis, granulysin, GNLY, gene polymorphism.

Correspondence: Günes Çakmak Genç MD, Zonguldak Bülent Ecevit University, Training and Research Hospital, Department of Medical Genetics, Kozlu, 67600 Zonguldak, Turkey, E-mail: