Journals / Türk Göğüs Kalp Damar Cerrahisi Dergisi / 2011 / Cilt: 19 - Sayı: 2

Türk Göğüs Kalp Damar Cerrahisi DergisiNisan 2011, Cilt 19, Sayı 2, Sayfa(lar) 234-241[ Turkish ] [ Tam Metin ] [ PDF ]The effect of beta-glucan on kidney injury in experimental aortic ischemia-reperfusion

Deneysel aortik iskemi-reperfüzyonda beta-glukanın böbrek hasarı üzerine etkisi

Pages
234–241
Publication Date
2022-09-02
DOI
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⚡ TL;DR(Too Long; Didn't Read)

We think that Β-glucan may decrease oxidative stres, lipid peroxidation, and leucocyte infiltration.

📌 3 Key Takeaways

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Objective & Hypothesis:Background: In this experimental study, we investigated the effect of Β-glucan on ischemia-reperfusion injury (IR) in kidneys occuring after occlusion-reperfusion of rat infrarenal abdominal aorta (IAA).
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Key Findings & Data:Methods: Thirty-two Wistar-albino rats were randomized into four groups with equal number of rats (n=8) as follows: The control group (sham laparotomy), control + Β-glucan, aortic IR, aortic IR + Β-glucan.
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Conclusion & Impact:We think that Β-glucan may decrease oxidative stres, lipid peroxidation, and leucocyte infiltration.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

Background: In this experimental study, we investigated the effect of Β-glucan on ischemia-reperfusion injury (IR) in kidneys occuring after occlusion-reperfusion of rat infrarenal abdominal aorta (IAA). Methods: Thirty-two Wistar-albino rats were randomized into four groups with equal number of rats (n=8) as follows: The control group (sham laparotomy), control + Β-glucan, aortic IR, aortic IR + Β-glucan. In the two groups in which aortic IR was used, 120 minutes of ischemia by clamping of the IAA followed by 120 minutes of reperfusion after removal of the clamp were performed. Β-glucan was orally administered at a dose of 50 mg/kg by intragastric gavage twice a day for 10 days. The rats are sacrificed under deep anesthesia and the kidney tissues were removed. The tissue levels of malondialdehyde (MDA), superoxide dismutase (SOD), catalase and myeloperoxidase (MPO) were measured and kidney tissue specimens were examined histopatologically.Results: Biochemical analysis showed that aortic IR significantly increased (p<0.05 vs control) while Β-glucan significantly decreased (p<0.05 vs aortic IR) the kidney tissue levels of MDA, SOD, catalase and MPO. Histologically, in the aortic IR group, focal glomerular necrosis, dilatation of Bowman's capsule, tubular epithelial degeneration, tubular epithelial necrosis, tubular dilatation, interstitial inflammatory infiltration and congestion were significantly increased when compared to the control group (p<0.05 vs control). However, in aortic IR + Β-glucan group, all of these parameters were significantly decreased when compared to the aortic IR group (p<0.05 vs aortic IR).Conclusion: The results of this experimental study shows that Β-glucan attenuates the kidney injury induced by infrarenal abdominal IR in rats. We think that Β-glucan may decrease oxidative stres, lipid peroxidation, and leucocyte infiltration.

Özet

Amaç: Bu deneysel çalışmada, sıçan infrarenal abdominal aortunda (İAA) oklüzyon-reperfüzyon sonrası böbreklerde oluşan iskemi reperfüzyon (İR) hasarı üzerine Β-glukanın etkisi araştırıldı. Çalışma planı: Otuz iki adet Wistar Albino cinsi sıçan rastgele ve eşit sayıda dört gruba (n=8) ayrıldı: Kontrol (sham laparatomi), kontrol + Β-glukan, aortik İR ve aortik İR + Β-glukan. Aortik İR uygulanan iki grupta, İAA'ya mikrovasküler klemp konularak 120 dakika iskemi ve sonrasında klemp kaldırılarak 120 dakika reperfüzyon uygulandı. Çalışma öncesinde, Β-glukan 50 mg/kg/gün dozunda 10 gün süre ile günde iki kez oral intragastrik gavaj yoluyla uygulandı. Derin anestezi altında sıçanların yaşamı sonlandırıldı ve böbrek dokuları çıkarıldı. Doku malondialdehid (MDA), süperoksit dismutaz (SOD), katalaz ve miyeloperoksidaz (MPO) düzeyleri ölçüldü ve böbrek doku örnekleri histopatolojik olarak incelendi.Bulgular: Biyokimyasal analiz; Β-glukan ile böbrek doku MDA, SOD, katalaz ve MPO seviyelerinde anlamlı azalma sağlanırken (aortik İR ile karşılaştırıldığında p<0.05), aortik İR ile anlamlı yükselme olduğunu gösterdi (kontrolle karşılaştırıldığında p<0.05). Histopatolojik olarak aortik İR grubunda; fokal glomerüler nekroz, Bowman kapsülü dilatasyonu, tübüler epitelyal dejenerasyon, tübüler epitelyal nekroz, tübüler dilatasyon, interstisyel inflamatuvar infiltrasyon ve konjesyon kontrol grubuna göre anlamlı derecede yüksek bulundu (kontrolle karşılaştırıldığında p<0.05). Bununla birlikte, aortik İR + Β-glukan grubunda bu parametrelerin hepsinde aortik İR grubuna göre anlamlı düşüklük saptandı (aortik İR ile karşılaştırıldığında p<0.05).Sonuç: Bu deneysel çalışmanın sonuçları Β-glukanın sıçanlarda infrarenal aortik İR'nin indüklediği böbrek hasarını azalttığını göstermektedir. Beta-glukanın oksidatif stresi, lipid peroksidasyonu ve lökosit infiltrasyonunu azaltabileceğini düşünmekteyiz.

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Cite This Article

GÜLMEN, Ş., ÖCAL, A., CEYLAN, B. G., ÇETİN, K. N., OKUTAN, H., METEOĞLU, İ., DOĞUÇ, K. D. (2022). Türk Göğüs Kalp Damar Cerrahisi DergisiNisan 2011, Cilt 19, Sayı 2, Sayfa(lar) 234-241[ Turkish ] [ Tam Metin ] [ PDF ]The effect of beta-glucan on kidney injury in experimental aortic ischemia-reperfusion. Türk Göğüs Kalp Damar Cerrahisi Dergisi, Cilt: 19 - Sayı: 2, 234–241. https://ajindex.com/articles/424789

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