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Bu çalışmanın amacı tüberküloz tedavisinde yaygın olarak kullanılan izoniazid (İZN) kaynaklı akciğer hasarına karşı doğal flavonoidlerden olan krisin (KRS)’in etkilerinin araştırılmasıdır. Çalışmada Spraque Dawley cinsi 35 adet erkek rat rastgele 5 gruba ayrıldı: Kontrol grubu, İZN uygulanan grup, KRS 50 mg/kg uygulanan grup, İZN+ KRS 25 mg/kg uygulanan grup ve İZN+ KRS 50 mg/kg uygulanan grup. İZN’nin glutatyon peroksidaz (GPx), süperoksit dismutaz (SOD) ve katalaz (KAT) gibi antioksidan enzim aktivitelerini ve glutatyon (GSH) düzeylerini azaltıp, lipid peroksidasyonunu (LPO) artırarak oksidatif hasara neden olduğu belirlendi. Ayrıca İZN ile kombine uygulanan KRS uygulamasının GSH seviyesini ve antioksidan enzim aktivitelerini artırdığı, lipid peroksidasyonunu ise azalttığı ettiği tespit edildi. Çalışmada incelenen nükleer faktör eritroid 2 ile ilişkili faktör 2 (Nrf-2) ve hem oksijenaz-1 (HO-1) seviyelerinin İZN grubunda gen ekspresyonu düzeyinde, nükleer faktör kappa B (NF-κB) ekspresyonunu ise immunhistokimyasal incelemede arttığı tespit edilmiş, buna karşın KRS uygulamasının bu belirteçlerin düzeylerinde azalmaya neden olduğu gözlenmiştir. Birlikte ele alındığında, bu sonuçlar KRS'in oksidan-antioksidan dengesini koruyarak ve NF-κB, Nrf-2 ve HO-1 ekspresyonlarını azaltarak İZN’nin neden olduğu akciğer toksisitesinde faydalı etkilere sahip olduğunu düşündürmektedir.
The purpose of this study is to investigate the effects of the crisine (KRS) from natural flavonoids against lung damage caused by isoniazide (ISN) which is widely used in the treatment of tuberculosis. In the study, 35 male rats of the Spraque Dawley sex were randomly divided into 5 groups: Control group, UFO group, KRS 50 mg/kg group, UFO+ KRS 25 mg/kg group and UFO+ KRS 50 mg/kg group. The UFO has been found to cause oxidative damage by reducing the antioxidant enzyme activities and levels of glutation (GSH) such as glutation peroxidase (GPx), superoxid dismutase (SOD) and catalase (KAT) and increasing lipid peroxidation (LPO). It was also found that the application of KRS in combination with UFOs increased the level of GSH and antioxidant enzyme activities, while reduced lipid peroxidation. The study found that the level of nuclear factor erythroid 2 (Nrf-2) and both oxygen-1 (HO-1) levels in the UFO group were increased at the level of gen expression, and the expression of nuclear factor cappa B (NF-κB) in the immunochemical study, however, the application of KRS was observed to cause a decrease in the levels of these indicators. When discussed together, these findings suggest that KRS has beneficial effects on the lungs toxicity caused by UFO by
The aim of the study was to investigate the effects of chrysin (CH), one of the natural flavonoids, against isoniazid lung damage caused by isoniazid (INH), which was widely used in the treatment of tuberculosis. Male Sprague-Dawley rats were randomly divided into five groups: a control group, INH-treated group, CH alone treated group 50 mg / kg, INH + CH 25 mg / kg treated group, and INH+ CH 50 mg / kg treated group. It was determined that INH caused oxidative damage by decreasing antioxidant enzyme activities such as glutathione peroxidase (GPx), superoxide dismutase (SOD), and catalase (CAT) and increasing lipid peroxidation (LPO). In addition, it was found that the administration of CH to INH-treated rats increased GSH level and antioxidant enzyme activities, and decreased lipid peroxidation. It was observed that the nuclear factor erythroid 2 related factor 2 (Nrf-2) and oxygenase-1 (HO-1) expression levels were up-regulated in the INH-treated group, and the expression of NF-κB increased in the INH-treated group in the immunohistochemical examination, and the CH administration, on the other hand, decreased the levels of these markers. Taken together, these results suggested that CH had beneficial effects in INH-induced lung toxicity by maintaining the oxidant-antioxidant balance and decreasing NF-κB, Nrf-2, and HO-1 expressions.
Alan : Sağlık Bilimleri
Dergi Türü : Ulusal
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