Journals / Türk Biyokimya Dergisi / 2016 / Cilt: 41 - Sayı: 3

The effects of caffeine on the renal antioxidant activity in rats

Ratlarda böbrek antioksidan aktivitesi üzerine kafeinin etkileri

Pages
216–222
Publication Date
2022-11-05
DOI
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In addition, we also evaluated superoxide dismutase (SOD), and glutathione S transferase (GST) activities in the kidney tissue.Results: Our results showed that caffeine administration decreased lipid peroxidation and advanced oxidation protein products in kidney.

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Objective & Hypothesis:Objective: In our study, the short-term effects of caffeine on the renal antioxidant activity in rats were investigated.Methods: Caffeine was given orally at two different doses: 30 mg/kg and 100 mg/kg (a high non-toxic dose).
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Key Findings & Data:The current study included 30 rats, which were divided into 3 groups: a control group and two caffeine-treated groups.
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Conclusion & Impact:In addition, we also evaluated superoxide dismutase (SOD), and glutathione S transferase (GST) activities in the kidney tissue.Results: Our results showed that caffeine administration decreased lipid peroxidation and advanced oxidation protein products in kidney.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

Objective: In our study, the short-term effects of caffeine on the renal antioxidant activity in rats were investigated.Methods: Caffeine was given orally at two different doses: 30 mg/kg and 100 mg/kg (a high non-toxic dose). The current study included 30 rats, which were divided into 3 groups: a control group and two caffeine-treated groups. Group 1 was given caffeine at 30 mg/kg and Group 2 was given caffeine at 100 mg/kg for 14 days. We measured advanced oxidation protein products (AOPP), malondialdehyde (MDA) and nitric oxide (NO) levels in the kidney tissue following caffeine administration. In addition, we also evaluated superoxide dismutase (SOD), and glutathione S transferase (GST) activities in the kidney tissue.Results: Our results showed that caffeine administration decreased lipid peroxidation and advanced oxidation protein products in kidney. Especially, MDA levels in the kidney tissue of the caffeine-treated groups decreased significantly as a result of the dose. NO levels in the kidney tissue of the caffeine-treated groups were higher than those in the control group. GST activities in the kidney tissue of rats in the caffeine groups also increased significantly. In our study, we did not observe significant changes in renal SOD activities upon caffeine consuption.Conclusion: These results show that short-term consumption of two different doses of caffeine may protect against oxidative stress in the kidney tissue of rats. This effect is related to the caffeine dosage. Determining the mechanisms and antioxidant effects of caffeine at suitable dose requires advanced animal and human studies.

Özet

Amaç: Çalışmamızda, ratlarda böbrek antioksidan aktivitesi üzerine kafeinin kısa süreli etkileri araştırılmıştır.Metod: Kafein, iki farklı dozda oral olarak verilmiştir: 30 mg/kg ve 100mg/kg (toksik olmayan yüksek doz). Çalışmaya 30 rat dahil edilmiştir. Ratlar eşit 3 gruba ayrılmıştır: kontrol grubu ve iki kafeinli grup. Grup 1'e 30 mg/kg kafein, grup 2'ye 100 mg/kg kafein 14 gün boyunca verilmiştir. Kafein uygulanmasını takiben, ratların böbrek dokularında ileri oksidasyon protein ürünü (AOPP), malondialdehit (MDA),nitrik oksik (NO) düzeylerini ölçtük. Buna ek olarak, böbrek dokularında süperoksit dismutaz (SOD) ve glutatyon S transferaz (GST) aktivitelerini de değerlendirdik.Bulgular: Çalışmamızın sonuçları, kafein uygulamasının, böbrekte lipit peroksidasyonunu ve ileri protein oksidasyon ürününü azalttığını göstermektedir. Özellikle kafein verilen grupların böbrek dokularında MDA düzeyleri, dozun bir sonucu olarak anlamlı azalmalar göstermiştir. NO düzeyleri böbrekte kafein verilen gruplarda kontrol grubuna göre artmıştır. Böbrekte GST aktiviteleri de kafeinli gruplarda anlamlı olarak artış göstermiştir. Çalışmamızda kafein tüketimi üzerine böbrek SOD aktivitelerinde önemli değişiklikler gözlenmemiştir.Sonuç: Bu sonuçlar, iki farklı doz kafeinin kısa süreli tüketiminin, böbrek dokusunda oksidatif strese karşı koruyabileceğini göstermektedir. Bu etkiler kafeinin dozu ile ilişkilidir. Kafeinin uygun dozda, etki mekanizmalarının ve antioksidan etkilerinin belirlenmesi, ileri hayvan ve insan çalışmaları gerektirmektedir.

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Cite This Article

DEMİR, E. O., DEMİRTAŞ, C. Y., PAŞAOĞLU, Ö. T. (2022). The effects of caffeine on the renal antioxidant activity in rats. Türk Biyokimya Dergisi, Cilt: 41 - Sayı: 3, 216–222. https://ajindex.com/articles/621062

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