Journals / Turkish Journal of Pharmaceutical Sciences / 2021 / Cilt: 18 - Sayı: 4

Effects of Oleuropein on Epirubicin and Cyclophosphamide Combination Treatment in Rats

Oleuropeinin Sıçanlarda Epirubisin ve Siklofosfamid Kombinasyon Tedavisi Üzerine Etkileri

Pages
45–53
Publication Date
2022-11-05
DOI
—
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AI Summary & Key Takeaways

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

Further studies should be performed to demonstrate the protective effects of oleuropein against antineoplastic induced-toxicity precisely.

📌 3 Key Takeaways

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Objective & Hypothesis:Objectives: Oleuropein is the main bioactive polyphenolic compound in olive leaves, olive, and olive oil.
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Key Findings & Data:Four cycles of 16 mg/kg/week of cyclophosphamide and 2.5 mg/kg/week of epirubicin were administered to the rats through intraperitoneal injection.
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Conclusion & Impact:Further studies should be performed to demonstrate the protective effects of oleuropein against antineoplastic induced-toxicity precisely.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

Objectives: Oleuropein is the main bioactive polyphenolic compound in olive leaves, olive, and olive oil. Its anticancer, antioxidant, and antiinflammatory effects have been proven through several in vitro and in vivo studies. This study aimed to explore the effects of oleuropein on cyclophosphamideand epirubicin-induced toxicity in female rats. Materials and Methods: Seven groups containing eight rats in each group were formed. Four cycles of 16 mg/kg/week of cyclophosphamide and 2.5 mg/kg/week of epirubicin were administered to the rats through intraperitoneal injection. Oleuropein (150 mg/kg/week) was simultaneously applied via oral gavage. The effects of oleuropein were examined with hemogram tests in whole blood samples and biochemical analysis in serum samples. Interleukin-6 (IL-6) and tumor necrosis factor-α (TNF-α) in the serum samples were analyzed through enzyme-linked immunosorbent assay. Subsequently, a comet assay was performed using lymphocyte DNA. The levels of oxidant [i.e., malondialdehyde (MDA)] and antioxidants [i.e., catalase (CAT), glutathione (GSH), and superoxide dismutase (SOD)] were measured in the heart, kidney, and liver tissues. Results: Oleuropein could reduce DNA damage and serum TNF-α and IL-6 levels. It also ameliorated some hemogram and biochemical parameters that deteriorated due to antineoplastic drugs. It increased the amounts of antioxidants (GSH, SOD, and CAT) and reduced the level of MDA in the heart, kidney, and liver tissues. Conclusion: Oleuropein might be a beneficial agent against toxicity caused by the combination treatment of cyclophosphamide and epirubicin. Further studies should be performed to demonstrate the protective effects of oleuropein against antineoplastic induced-toxicity precisely.

Özet

Amaç: Oleuropein zeytin yaprağı, zeytin meyvesi ve zeytinyağında bulunan başlıca biyoaktif polifenolik bileşiktir. Antikanser, antioksidan ve antienflamatuvar etkileri birçok in vitro ve in vivo çalışmayla doğrulanmıştır. Bu çalışma, oleuropeinin siklofosfamid ve epirubisin kaynaklı toksisite üzerindeki etkilerini dişi sıçanlarda araştırmayı amaçlanmıştır. Gereç ve Yöntemler: Her grupta sekiz sıçan içeren yedi grup oluşturulmuştur. Sıçanlara intraperitoneal enjeksiyon yoluyla dört döngü 16 mg/kg/ hafta siklofosfamid ve 2,5 mg/kg/hafta epirubisin uygulanmıştır. Oleuropein (150 mg/kg/hafta) eş zamanlı olarak oral gavaj yoluyla verilmiştir. Oleuropeinin etkileri tam kan örneklerinde hemogram testleri ve serum örneklerinde biyokimyasal analizlerle incelenmiştir. Serum numunelerindeki interlökin-6 (IL-6) ve tümör nekroz faktörü-α (TNF-α), enzime bağlı immünosorbent yöntemi ile analiz edilmiştir. Ardından, lenfosit DNA’sı kullanılarak Comet yöntemi gerçekleştirilmiştir. Son olarak, kalp, böbrek ve karaciğer dokularında oksidan [malondialdehit (MDA)] ve antioksidan [katalaz (CAT), süperoksit dismutaz (SOD) ve glutatyon (GSH)] parametreler ölçülmüştür. Bulgular: Oleuropeinin, DNA hasarını ve TNF-α ile IL-6 gibi proenflamatuvar sitokinlerin serum düzeylerini azaltabildiği belirlenmiştir. Ayrıca, oleuropeinin antineoplastik ilaçlara bağlı olarak bozulan bazı hemogram ve biyokimyasal parametrelerini düzelttiği tespit edilmiştir. Ayrıca, oleuropeinin kalp, böbrek ve karaciğer dokularında antioksidan parametrelerde (GSH, SOD ve CAT) artışa neden olduğu ve MDA miktarını azalttığı belirlenmiştir. Sonuç: Oleuropein, siklofosfamid ve epirubisinin kombinasyon tedavisinin neden olduğu toksisiteye karşı faydalı bir ajan olabilir. Oleuropeinin antineoplastik kaynaklı toksisiteye karşı koruyucu etkilerini tam olarak göstermek için daha ileri çalışmalar yapılmalıdır.

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Cite This Article

KARAKOÇ1, M. D., SEKKİN, S. (2022). Effects of Oleuropein on Epirubicin and Cyclophosphamide Combination Treatment in Rats. Turkish Journal of Pharmaceutical Sciences, Cilt: 18 - Sayı: 4, 45–53. https://ajindex.com/articles/613634

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