Investigation of renal and testicular pro-inflammatory cytokine levels in experimental hyperthyroidism: Effects of selenium supplementation


BAHTİYAR N., YOLDAŞ A., TOPLAN S.

Medicine Science, cilt.9, sa.2, ss.393-398, 2020 (Hakemli Dergi) identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 9 Sayı: 2
  • Basım Tarihi: 2020
  • Doi Numarası: 10.5455/medscience.2020.09.9224
  • Dergi Adı: Medicine Science
  • Derginin Tarandığı İndeksler: TR DİZİN (ULAKBİM)
  • Sayfa Sayıları: ss.393-398
  • İstanbul Yeni Yüzyıl Üniversitesi Adresli: Evet

Özet

Cytokines play important roles in diseases. Pro-inflammatory cytokines may responsible for thyroid dysfunction. Selenium (Se) regulates pro-inflammatory status in thebody. Kidney and testicular functions change in hyperthyroidism. The aim of this study was to investigate the effects of Se supplementation on pro-inflammatory cytokinesin renal and testicular tissue in hyperthyroid rats. This study was carried out with 6 experimental groups (G). G-1 consisted of controls receiving standard rat fodder. Otherexperimental groups were fed with; G-2: 0.5 mg/kg Na2SeO3; G-3: 1 mg/kg Na2SeO3; G-4: 4 mg/kg L-thyroxine; G-5: 0.5 mg/kg Na2SeO3 and 4 mg/kg L-thyroxine;G-6: 1 mg/kg Na2SeO3 and 4 mg/kg L-thyroxine added standard fodder. Interleukin (IL)-1β, IL-6, IL-18, and TNF-α levels were studied in renal and testicular tissues byELISA. All cytokines levels of kidney samples were measured in tissue homogenates. Kidney values of IL-1β, IL-18, IL-6 and TNF-α were increased in G-4 comparedto G-1 (p=0.024, p=0.010, p=0.003, and p=0.011, respectively). Also, these cytokine levels were decreased in G-6 compared to G-4 (p=0.042, p=0.048, p=0.009, andp=0.021, respectively). The IL-1β, IL-18, IL-6 and TNF-α values of G-4 were higher than G-1 in testes samples (p=0.027, p=0.010, p=0.008, and p=0.009, respectively).In addition, G-6 levels of IL-18 and TNF-α were lower than G-4 (p=0.047, and p=0.032 respectively), but IL-1β and IL-6 changes were not significant. As a result, ourfindings showed that in hyperthyroidism IL-1β, IL-18, IL-6, and TNF-α levels increased in kidney and testis tissues. Also, supplementation of 1 mg/kg Na2SeO3 was moreeffective for decreasing levels of these pro-inflammatory cytokine levels in the hyperthyroid group than supplementation of 0.5 mg/kg Na2SeO.