Journals / Tıp Araştırmaları Dergisi / 2004 / Cilt: 2 - Sayı: 1

The effect of vitamine-E on metabolic enzyme activities during cisplatin-induced nephrotoxicity in rats

Sıçanlarda sisplatin ile oluşturulan nefrotoksisitede bazı metabolik enzim aktiviteleri ve bunlar üzerine E vitamininin etkileri

Pages
23–28
DOI
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⚡ TL;DR(Too Long; Didn't Read)

In conclusion, glycolisis and pentose phosphate metabolic ways were activated during cisplatin induced renal injury and Vit E was try to protect the tissue from injury-by increasing the activities much more.

📌 3 Key Takeaways

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Objective & Hypothesis:Purpose: Cisplatin is used as an effective antitumor agent for treatment of many solid tumors such as head, neck, lung, testis, ovaryum in human.
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Key Findings & Data:Materials and Methods: Rats were divided into three groups: Group-I, %0.9 Nad solution was injected every day during the experimental procedure (n=7); Goup-II, cisplatin was administrated single i.p. dose of 7 mg/kg at 3rd day os the experimental procedure (n=8); Group-Ill, Vit E was injected every day i.p. dose of 10 mg/kg in addition to cisplatin injection (n=9).
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Conclusion & Impact:In conclusion, glycolisis and pentose phosphate metabolic ways were activated during cisplatin induced renal injury and Vit E was try to protect the tissue from injury-by increasing the activities much more.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Sıçan · Sprague-Dawley · İlaç toksisitesi

Abstract

Purpose: Cisplatin is used as an effective antitumor agent for treatment of many solid tumors such as head, neck, lung, testis, ovaryum in human. Its usage is limited due to its toxicity to many organs including kidneys via free oxygen radicals. Vitamin E (Vit E) is an antioxidant agent. The aim of this study was to investigate whether Vit E is a protective agent against cisplatin induced acute renal failure or not. Materials and Methods: Rats were divided into three groups: Group-I, %0.9 Nad solution was injected every day during the experimental procedure (n=7); Goup-II, cisplatin was administrated single i.p. dose of 7 mg/kg at 3rd day os the experimental procedure (n=8); Group-Ill, Vit E was injected every day i.p. dose of 10 mg/kg in addition to cisplatin injection (n=9). The kidneys were removed under anesthetized 5 days after the cisplatin administration. Tissue was homogenized and supernatant was sepa-rated. The activities of hexokinase (HK), glucose-6-phosphate dehydrogenase (G6PD), lactate dehydro-genase (LDH) and malate dehydrogenase (MDH) were measured spectrophotometrically from super-natant. Results: Single dose cisplatin in two study group caused statistically increase activities of all enzymes except MDH in comparison with control group. Vit E treatment resulted in higher activities of HK and G6PD, but lower activity of MDH than only cisplatin administration. There was no significant difference in LDH activity between groups. In conclusion, glycolisis and pentose phosphate metabolic ways were activated during cisplatin induced renal injury and Vit E was try to protect the tissue from injury-by increasing the activities much more. Conclusion: These results may help to show that cisplatin induced undesired toxicities may be preven-ted or decreased by cheapest ways.

Özet

Amaç: Sisplatin insanlarda baş, boyun, akciğer, testis, ovaryum gibi bir çok solid tümörde etkili bir antitümör ilaç olarak kullanılmaktadır. Tedavi esnasında serbest oksijen radikalleri üreterek başta böbrek olmak üzere bir çok organda toksisiteye neden olduğu için doz kısıtlamasına gidilmektedir. E vitamini (E vit) serbest radikal süpürücü bir antioksidandır. Bu çalışmada sıçanlarda sisplatine bağlı akut renal yetmezlik modelinde E vitamininin koruyucu etkilerinin olup olmadığı araştırıldı. Gereç ve Yöntem: Sıçanlar 3 gruba ayrıldı; Grup-I (n=7), 3. gün serum fizyolojik intraperitoneal (i.p.) olarak uygulandı. Grup-II (n=8), 3. gün tek doz 7 mg/kg sisplatin i.p. olarak uygulandı. Grup-III (n=9), sisplatin+E vit, deney süresince (toplam 7 gün) her gün i.p. olarak E vit 10 mg/kg 1x1 dozunda ve 3. Günde 7 mg/kg sisplatin tek doz halinde i.p. olarak verildi. Sisplatin verilişinden 5 gün sonra sıçanların böbrekleri genel anestezi altında alındı. Doku homojenize edildi ve supernatant elde edildi. Süpernatantdan hekzokinaz (HK), glukoz-6-fosfat dehidrogenaz (G6PD), laktat dehidrogenaz (LDH) ve malat dehidrogenaz (MDH) aktiviteleri spektro-fotometrik olarak ölçüldü. Bulgular: Tek doz olarak verilen sisplatinin kontrol grubuna göre diğer iki grupta, MDH dışındaki diğer enzimlerin aktivitelerinde istatistiksel olarak anlamlı artışa neden olduğu görüldü. Sisplatin grubu ile sisplatin+E vit grubu karşılaştırıldığında, E vit uygulanmasının HK, G6PD enzim aktivitelerinde istatistiksel olarak artışa neden olurken MDH aktivitesinde azalmaya neden olduğu görüldü. Sisplatin uygulanan grupların böbrek dokusu LDH aktiviteleri arasında anlamlı bir değişme gözlenmedi. Sonuç: Sisplatinin böbrek dokusunda oluşturduğu hasar esnasında glikoliz ve pentoz fosfat metabolitik yollarının hasarı sınırlamak amacıyla aktive olduğu ve E vit'in bu durumu daha da artırmasıyla korumaya çalıştığı gözlendi. Bu sonuçlar sisplatinin istenmeyen yan etkilerinin daha etkili, ekonomik ve kolay uygulanabilir ilaçlarla önlenebileceği veya azaltılabileceği konusunda alternatifler bulmada yol gösterici olabilir.

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Cite This Article

SÖGÜT, S., YILMAZ, H. R., SONGÜR, A., GÜLEÇ, M., KOTUK, M., AĞLAMIŞ, S. (2004). The effect of vitamine-E on metabolic enzyme activities during cisplatin-induced nephrotoxicity in rats. Tıp Araştırmaları Dergisi, Cilt: 2 - Sayı: 1, 23–28. https://ajindex.com/articles/361983

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