Journals / Ankara Üniversitesi Veteriner Fakültesi Dergisi / 2019 / Cilt: 66 - Sayı: 1

Protective effect of lycopene on diethylnitrosamine-induced oxidative stress and catalase expression in rats

Ratlarda likopenin dietilnitrozamin kaynaklı oksidatif stres ve katalaz ekspresyonu üzerine koruyucu etkisi

Pages
43–52
Publication Date
2022-10-12
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

The results from the present study indicate that lycopene exhibits good hepatoprotective and antioxidant potential against DEN-induced hepatocellular damage in rats.

📌 3 Key Takeaways

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Objective & Hypothesis:The purpose of this study is to investigate the protective role of lycopene on diethylnitrosamine (DEN)-induced hepatotoxicity using biochemical and histopathological approaches.
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Key Findings & Data:The rats were divided into 5 groups as control, lycopene, DEN, lycopene+DEN and DEN+lycopene.
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Conclusion & Impact:The results from the present study indicate that lycopene exhibits good hepatoprotective and antioxidant potential against DEN-induced hepatocellular damage in rats.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

The purpose of this study is to investigate the protective role of lycopene on diethylnitrosamine (DEN)-induced hepatotoxicity using biochemical and histopathological approaches. The rats were divided into 5 groups as control, lycopene, DEN, lycopene+DEN and DEN+lycopene. DEN was administered to rats at 200 mg/kg, a single dose intraperitoneally for 30 days. Lycopene was administered to rats every other day at 10 mg/kg, gavage for 10 days. Lycopene administration was started 10 days before the DEN administration in lycopene+DEN group and together with the DEN administration in DEN+lycopene group. In this study, malondialdehyde (MDA), reduced glutathione (GSH) levels, catalase (CAT), glutathione peroxidase (GSH-Px), glutathione-S-transferase (GST), superoxide dismutase (SOD) activities and the expression levels of the CAT enzyme were measured in blood and liver tissues. DEN caused the oxidative stress by the increased MDA level and the reduced GSH level, antioxidant enzyme activities in tissues. Lycopene administration produced amelioration in biochemical indices of hepatotoxicity in both blood and liver tissues when compared to DEN group; simultaneous-administration with DEN has been more effective. It was determined to increase expression levels of the CAT enzyme in the DEN group in RT-PCR. The improvement in expression levels in DEN+lycopene group was observed to be better than the lycopene+DEN group. Histopathologically, many different histopathological changes were observed in liver tissues of DEN and lycopene+DEN groups, it was determined that these changes reduced in DEN+lycopene group. The results from the present study indicate that lycopene exhibits good hepatoprotective and antioxidant potential against DEN-induced hepatocellular damage in rats.

Özet

Çalışmanın amacı, likopenin dietilnitrozamin (DEN) kaynaklı hepatotoksisite üzerindeki koruyucu rolünü biyokimyasal ve histopatolojik yaklaşımları kullanarak araştırmaktır. Ratlar kontrol, likopen, DEN, likopen+DEN ve DEN+likopen olmak üzere 5 gruba ayrılmıştır. DEN ratlara 200 mg/kg dozunda tek doz 30 gün süreyle intraperitoneal olarak uygulanmıştır. Likopen ratlara 10 mg/kg dozunda gün aşırı olarak 10 gün boyunca gavajla uygulanmıştır. Likopen uygulamasına, likopen+DEN grubunda DEN uygulanmasından 10 gün önce, DEN+likopen grubunda ise DEN uygulaması ile birlikte başlanmıştır. Çalışmada kan ve karaciğer dokularında malondialdehit (MDA), redükte glutatyon (GSH) düzeyleri, katalaz (CAT), glutatyon peroksidaz (GSH-Px), glutatyon-S-transferaz (GST), süperoksit dismutaz (SOD) aktiviteleri ve CAT enziminin ekspreson düzeyleri ölçülmüştür. DEN dokularda MDA düzeyinde artış, GSH düzeyi ve antoksidan enzim aktivitelerinde düşüşe neden olarak oksidatif strese sebep olmuştur. Likopen uygulaması hem kan hem de karaciğer dokusunda DEN grubuna kıyasla hepatotoksisitenin biyokimyasal indekslerinde iyileşme sağlamıştır; DEN ile eşzamanlı uygulanması daha etkili olmuştur. RT-PCR analizlerinde CAT enziminin ekspresyon düzeylerinin DEN grubunda arttığı belirlenmiştir. DEN+likopen grubundaki ekspresyon seviyelerindeki düzelmenin likopen+DEN grubundan daha iyi olduğu da gözlenmiştir. Histopatolojik olarak, DEN ve likopen+DEN gruplarının karaciğer dokularında birçok farklı histopatolojik değişiklikler gözlenmiştir ve bu değişikliklerin DEN+likopen grubunda azaldığı belirlenmiştir. Bu çalışmanın sonuçları, ratlarda DEN ile oluşturulan hepatoselüler hasara karşı likopenin iyi bir hepatoprotektif ve antioksidan potansiyel taşıdığını göstermektedir.

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Cite This Article

ÇERİBAŞI, A. O., YILMAZ, S., KAYA, E., TELO, S. (2022). Protective effect of lycopene on diethylnitrosamine-induced oxidative stress and catalase expression in rats. Ankara Üniversitesi Veteriner Fakültesi Dergisi, Cilt: 66 - Sayı: 1, 43–52. https://ajindex.com/articles/444543

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