Dergiler / Kafkas Üniversitesi Veteriner Fakültesi Dergisi / 2020 / Cilt: 26 - Sayı: 6

The Protective Effect of Lactoferrin on Adenosine Deaminase, Nitric Oxide and Liver Enzymes in Lipopolysaccharide-Induced Experimental Endotoxemia Model in Rats

Ratlarda Lipopolisakkarit İndüklü Deneysel Endotoksemi Modelinde Adenozin Deaminaz, Nitrik Oksit ve Karaciğer Enzimleri Üzerine Laktoferrinin Koruyucu Etkisi

Sayfa
801–806
DOI
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⚡ TL;DR(1 Cümlede Hızlı Çıkarım)

As a result, it can be said that LPS increases ADA synthesis and NO release and LF acts as an anti-inflammatory and immunosuppressor in stimulating immune response.

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Amaç & Hipotez:In this study, the effect of lactoferrin (LF) on adenosine deaminase (ADA) activity, nitric oxide (NO) and liver enzyme levels were investigated in lipopolysaccharide (LPS)-induced experimental endotoxemia model in rats.
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Temel Bulgular & Veri:Forty Sprague Dawley female rats were divided into four groups as control, LF (20 mg/kg, i.p.), LPS (20 μg/kg, i.p.) (E. coli type 0111:B4) and LF+LPS (20 mg/kg LF+20 μg/kg LPS, i.p.).
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Sonuç & Katkı:As a result, it can be said that LPS increases ADA synthesis and NO release and LF acts as an anti-inflammatory and immunosuppressor in stimulating immune response.
🔬Tür:Modelleme & Sayısal Simülasyon
📍Kapsam:Genişletilmiş Akademik Örneklem
⚙️Değişkenler:Alan Parametreleri

Özet

In this study, the effect of lactoferrin (LF) on adenosine deaminase (ADA) activity, nitric oxide (NO) and liver enzyme levels were investigated in lipopolysaccharide (LPS)-induced experimental endotoxemia model in rats. Forty Sprague Dawley female rats were divided into four groups as control, LF (20 mg/kg, i.p.), LPS (20 μg/kg, i.p.) (E. coli type 0111:B4) and LF+LPS (20 mg/kg LF+20 μg/kg LPS, i.p.). For a week, LF was given daily, while LPS was given a single dose. Liver adenosine deaminase, nitric oxide and liver enzymes (aspartate aminotransferase ‘AST’, alanine aminotransferase ‘ALT’ and gamma glutamyltranspeptidase ‘GGT’) levels of animals sacrificed six hours after LPS injection were determined. It was found that ADA activity, considered to be a marker of cellular immunity, and NO levels increased in LPS-induced endotoxemia and LF supplementation decreased these levels significantly (P<0.001). There was no statistically significant difference between liver ALT, AST and GGT activity levels of all groups, but serum AST and GGT activity levels were significantly higher (P<0.001 and P<0.05, respectively) in the LPS group than in the other groups, and LF supplementation significantly reduced these enzyme levels. As a result, it can be said that LPS increases ADA synthesis and NO release and LF acts as an anti-inflammatory and immunosuppressor in stimulating immune response.

Abstract

Bu çalışmada, ratlarda lipopolisakkarit (LPS) ile indüklenen deneysel endotoksemi modelinde laktoferrin (LF)’in adenozin deaminaz (ADA) aktivitesi, nitrik oksit (NO) ve karaciğer enzim düzeyleri üzerine etkisi araştırılmıştır. Çalışmada 40 adet Sprague Dawley dişi rat kontrol, LF (20 mg/kg, ip), LPS (20 μg/kg, ip) (E. coli tip 0111: B4) ve LF+LPS (20 mg/kg LF+20 μg/kg LPS, ip) olmak üzere dört gruba ayrıldı. Bir hafta boyunca LF hergün verilirken, LPS tek doz uygulandı. LPS enjeksiyonundan 6 saat sonra sakrifiye edilen hayvanların karaciğer ADA aktivitesi, NO düzeyleri ve karaciğer enzim (aspartat aminotransferaz ‘AST’, alanin aminotransferaz ‘ALT’ ve gama glutamiltranspeptidaz ‘GGT’) aktiviteleri belirlendi. Hücresel immunitenin bir belirteci olan ADA aktivitesi ve NO düzeyleri LPS indüklü endotoksemide arttı ve LF takviyesi bu düzeyleri önemli şekilde azalttı (P<0.001). Tüm grupların karaciğer ALT, AST ve GGT aktivite düzeyleri arasında istatistiksel olarak önemli bir fark görülmezken, LPS grubunda serum AST ve GGT aktivite düzeyleri diğer gruplara kıyasla önemli şekilde daha yüksekti ve laktoferrin takviyesi bu düzeyleri önemli ölçüde azalttı (sırasıyla P<0.001 ve P<0.05). Sonuç olarak, LPS’nin ADA sentezini ve NO salımını arttırdığı ve LF’nin immün yanıtı uyarmada antienflamatuar ve immün baskılayıcı görev gördüğü söylenebilir.

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Bu Makaleye Atıf Yap

GÜLMEZ, C., YILDIZ, K. D., ATAKISI, E., ATAKİŞİ, O. (2020). The Protective Effect of Lactoferrin on Adenosine Deaminase, Nitric Oxide and Liver Enzymes in Lipopolysaccharide-Induced Experimental Endotoxemia Model in Rats. Kafkas Üniversitesi Veteriner Fakültesi Dergisi, Cilt: 26 - Sayı: 6, 801–806. https://ajindex.com/articles/272154

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