The effect of vitamin D deficiency and 1,25(OH)2D3 treatment on
oxidative stress and Nrf2-antioxidant signaling in ethanol-induced
hepatotoxicity

Dogru-Abbasoglu, Semra; Doğan Ekici, Asiye Işın; BINGÜL, ILKNUR; Uysal, Mujdat; KUCUKGERGIN, CANAN; Aydın, Abdurrahman Fatih

doi:10.25000/acem.949073

The effect of vitamin D deficiency and 1,25(OH)2D3 treatment on oxidative stress and Nrf2-antioxidant signaling in ethanol-induced hepatotoxicity

İlknur BİNGÜL, (İstanbul İstanbul Üniversitesi Tıp Fakültesi, Tıbbi Biyokimya Anabilim Dalı, İstanbul, Türkiye)

Abdurrahman Fatih AYDIN, (İstanbul İstanbul Üniversitesi Tıp Fakültesi, Tıbbi Biyokimya Anabilim Dalı, İstanbul, Türkiye)

Canan KÜÇÜKGERGİN, (İstanbul İstanbul Üniversitesi Tıp Fakültesi, Tıbbi Biyokimya Anabilim Dalı, İstanbul, Türkiye)

Semra DOĞRU ABBASOĞLU, (İstanbul İstanbul Üniversitesi Tıp Fakültesi, Tıbbi Biyokimya Anabilim Dalı, İstanbul, Türkiye)

Müjdat UYSAL, (İstanbul İstanbul Üniversitesi Tıp Fakültesi, Tıbbi Biyokimya Anabilim Dalı, İstanbul, Türkiye)

Işın DOĞAN EKİCİ (Acıbadem Üniversitesi Patoloji Anabilim Dalı Tıp Fakültesi, Acıbadem Mehmet Ali Aydınlar Üniversite, İstanbul, Türkiye)

Archives of Clinical and Experimental Medicine

1 0

Yıl: 2021 Cilt: 6 Sayı: 3 Sayfa Aralığı: 127 - 133 Metin Dili: İngilizce DOI: 10.25000/acem.949073 İndeks Tarihi: 05-07-2022

The effect of vitamin D deficiency and 1,25(OH)2D3 treatment on oxidative stress and Nrf2-antioxidant signaling in ethanol-induced hepatotoxicity

Öz:

Aim: Vitamin D deficiency (VDD) is suggested to enhance hepatotoxicity in chronic liver diseases. However, there is limited knowledge about the association between VDD and alcoholic liver damage. Therefore, the effect of VDD on ethanol (EtOH)-induced hepatotoxicity was investigated in this study. Moreover, the role of the Nrf2-antioxidant signaling pathway in the hepatoprotective potential of 1,25(OH)2D3 was also searched in EtOH-treated rats. Methods: Male Wistar rats were fed on VDD-diet for 12 weeks. EtOH (5-20%) was applied in drinking water in increasing concentrations for the last 8 weeks. In addition, one group of rats were injected with 1,25(OH)2D3 (5μg/kg; twice a week; i.p.) during this period. Hepatic triglyceride and hydroxyproline levels, inflammation markers, lipid peroxides, protein carbonyls, mRNA expressions of Nrf2, superoxide dismutase (SOD), and glutathione peroxidase (GSH-Px), SOD and GSH-Px activities, glutathione levels and histopathology were examined. Results: EtOH application caused steatosis and fibrosis, elevated hepatic TG, lipid peroxide, protein carbonyls and hydroxyproline levels and inflammation markers. VDD did not aggravate EtOH-induced liver damage, steatosis and inflammation, but reactive oxygen species and lipid peroxide levels were slightly increased in VDD+EtOH group. Gene expressions of Nrf2-SOD-GSH-Px, enzyme activities and glutathione levels were also higher in VDD+EtOH group than EtOH group. Additionally, 1,25(OH)2D3 elevated mRNA expressions and activities of SOD and GSH-Px in EtOH-treated rats. Conclusion: Our results indicate that VDD diet did not cause an additive effect on EtOH-induced hepatotoxicity. Moreover, it was detected that the activation of Nrf2-antioxidant signaling pathway may play a role in the protective effect of 1,25(OH)2D3 against EtOH-induced hepatotoxicity.

Anahtar Kelime:

D vitamini eksikliği ve 1,25(OH)2D3 uygulamasının etanole bağlı karaciğer hasarında oksidatif stres ve Nrf2-antioksidan sinyal sistemi üzerine etkisi

Öz:

Amaç: D vitamini eksikliğinin (VDE) kronik karaciğer hastalıklarında karaciğer hasarını arttırdığı ileri sürülmektedir. Bununla birlikte, VDE ile alkole bağlı karaciğer hasarı arasındaki ilişkiye ait bilgiler sınırlıdır. Bu nedenle, bu çalışmada VDE'nin etanol (EtOH) ile indüklenen karaciğer hasarı üzerindeki etkisi araştırıldı. Ayrıca, EtOH uygulanan sıçanlarda 1,25(OH)2D3'ün karaciğeri koruyucu potansiyelinde Nrf2-antioksidan sinyal yolunun rolü de araştırıldı. Yöntemler: Erkek Wistar sıçanlar 12 hafta süreyle VDE diyet ile beslendi. Son 8 hafta içme suyunda artan konsantrasyonlarda EtOH (% 5-20) verildi. Ayrıca, bir grup sıçana bu süreçte 11,25(OH)2D3 (5μg/kg; haftada iki kez; i.p.) uygulandı. Karaciğerde trigliserit (TG) ve hidroksiprolin düzeyleri, inflamasyon göstergeleri, lipid peroksitler, protein karboniller, Nrf2, süperoksit dismutaz (SOD) ve glutatyon peroksidaz (GSH-Px)’ın mRNA ekspresyonları, SOD ve GSH-Px aktiviteleri, glutatyon düzeyleri ve histopatolojik incelemeler yapıldı. Bulgular: EtOH uygulaması steatoz ve fibroza, karaciğerde TG, lipit peroksit, protein karbonil ve hidroksiprolin düzeyleri ile inflamasyon göstergelerinde artışa neden oldu. VDE, EtOH’a bağlı karaciğer hasarını, steatoz ve fibrozu yoğunlaştırmadı. Ancak, reaktif oksijen türleri ve lipit peroksit düzeylerinde VDE+EtOH grubunda ılımlı artış bulundu. Nrf2-SOD-GSH-Px’in gen ekspresyonları, enzim aktiviteleri ve glutatyon düzeyleri de VDE+EtOH grubunda EtOH grubundan daha yüksekti. Ayrıca, 1,25(OH)2D3, EtOH uygulanan sıçanlarda karaciğerde SOD ve GSH-Px’ın mRNA ekspresyonlarını ve aktivitelerini arttırdı. Sonuç: Bulgularımız VDE diyetin EtOH ile indüklenen karaciğer hasarı üzerinde ek bir etki oluşturmadığını gösterdi. Ayrıca EtOH’a bağlı karaciğer hasarında 11,25(OH)2D3'ün koruyucu etkisinde Nrf2-antioksidan sinyal yolunun aktivasyonunun rol oynayabileceği saptandı.

Anahtar Kelime:

Belge Türü: Makale Makale Türü: Araştırma Makalesi Erişim Türü: Erişime Açık

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APA	BINGÜL I, Aydın A, KUCUKGERGIN C, Dogru-Abbasoglu S, Uysal M, Doğan Ekici A (2021). The effect of vitamin D deficiency and 1,25(OH)2D3 treatment on oxidative stress and Nrf2-antioxidant signaling in ethanol-induced hepatotoxicity. , 127 - 133. 10.25000/acem.949073
Chicago	BINGÜL ILKNUR,Aydın Abdurrahman Fatih,KUCUKGERGIN CANAN,Dogru-Abbasoglu Semra,Uysal Mujdat,Doğan Ekici Asiye Işın The effect of vitamin D deficiency and 1,25(OH)2D3 treatment on oxidative stress and Nrf2-antioxidant signaling in ethanol-induced hepatotoxicity. (2021): 127 - 133. 10.25000/acem.949073
MLA	BINGÜL ILKNUR,Aydın Abdurrahman Fatih,KUCUKGERGIN CANAN,Dogru-Abbasoglu Semra,Uysal Mujdat,Doğan Ekici Asiye Işın The effect of vitamin D deficiency and 1,25(OH)2D3 treatment on oxidative stress and Nrf2-antioxidant signaling in ethanol-induced hepatotoxicity. , 2021, ss.127 - 133. 10.25000/acem.949073
AMA	BINGÜL I,Aydın A,KUCUKGERGIN C,Dogru-Abbasoglu S,Uysal M,Doğan Ekici A The effect of vitamin D deficiency and 1,25(OH)2D3 treatment on oxidative stress and Nrf2-antioxidant signaling in ethanol-induced hepatotoxicity. . 2021; 127 - 133. 10.25000/acem.949073
Vancouver	BINGÜL I,Aydın A,KUCUKGERGIN C,Dogru-Abbasoglu S,Uysal M,Doğan Ekici A The effect of vitamin D deficiency and 1,25(OH)2D3 treatment on oxidative stress and Nrf2-antioxidant signaling in ethanol-induced hepatotoxicity. . 2021; 127 - 133. 10.25000/acem.949073
IEEE	BINGÜL I,Aydın A,KUCUKGERGIN C,Dogru-Abbasoglu S,Uysal M,Doğan Ekici A "The effect of vitamin D deficiency and 1,25(OH)2D3 treatment on oxidative stress and Nrf2-antioxidant signaling in ethanol-induced hepatotoxicity." , ss.127 - 133, 2021. 10.25000/acem.949073
ISNAD	BINGÜL, ILKNUR vd. "The effect of vitamin D deficiency and 1,25(OH)2D3 treatment on oxidative stress and Nrf2-antioxidant signaling in ethanol-induced hepatotoxicity". (2021), 127-133. https://doi.org/10.25000/acem.949073

APA	BINGÜL I, Aydın A, KUCUKGERGIN C, Dogru-Abbasoglu S, Uysal M, Doğan Ekici A (2021). The effect of vitamin D deficiency and 1,25(OH)2D3 treatment on oxidative stress and Nrf2-antioxidant signaling in ethanol-induced hepatotoxicity. Archives of Clinical and Experimental Medicine, 6(3), 127 - 133. 10.25000/acem.949073
Chicago	BINGÜL ILKNUR,Aydın Abdurrahman Fatih,KUCUKGERGIN CANAN,Dogru-Abbasoglu Semra,Uysal Mujdat,Doğan Ekici Asiye Işın The effect of vitamin D deficiency and 1,25(OH)2D3 treatment on oxidative stress and Nrf2-antioxidant signaling in ethanol-induced hepatotoxicity. Archives of Clinical and Experimental Medicine 6, no.3 (2021): 127 - 133. 10.25000/acem.949073
MLA	BINGÜL ILKNUR,Aydın Abdurrahman Fatih,KUCUKGERGIN CANAN,Dogru-Abbasoglu Semra,Uysal Mujdat,Doğan Ekici Asiye Işın The effect of vitamin D deficiency and 1,25(OH)2D3 treatment on oxidative stress and Nrf2-antioxidant signaling in ethanol-induced hepatotoxicity. Archives of Clinical and Experimental Medicine, vol.6, no.3, 2021, ss.127 - 133. 10.25000/acem.949073
AMA	BINGÜL I,Aydın A,KUCUKGERGIN C,Dogru-Abbasoglu S,Uysal M,Doğan Ekici A The effect of vitamin D deficiency and 1,25(OH)2D3 treatment on oxidative stress and Nrf2-antioxidant signaling in ethanol-induced hepatotoxicity. Archives of Clinical and Experimental Medicine. 2021; 6(3): 127 - 133. 10.25000/acem.949073
Vancouver	BINGÜL I,Aydın A,KUCUKGERGIN C,Dogru-Abbasoglu S,Uysal M,Doğan Ekici A The effect of vitamin D deficiency and 1,25(OH)2D3 treatment on oxidative stress and Nrf2-antioxidant signaling in ethanol-induced hepatotoxicity. Archives of Clinical and Experimental Medicine. 2021; 6(3): 127 - 133. 10.25000/acem.949073
IEEE	BINGÜL I,Aydın A,KUCUKGERGIN C,Dogru-Abbasoglu S,Uysal M,Doğan Ekici A "The effect of vitamin D deficiency and 1,25(OH)2D3 treatment on oxidative stress and Nrf2-antioxidant signaling in ethanol-induced hepatotoxicity." Archives of Clinical and Experimental Medicine, 6, ss.127 - 133, 2021. 10.25000/acem.949073
ISNAD	BINGÜL, ILKNUR vd. "The effect of vitamin D deficiency and 1,25(OH)2D3 treatment on oxidative stress and Nrf2-antioxidant signaling in ethanol-induced hepatotoxicity". Archives of Clinical and Experimental Medicine 6/3 (2021), 127-133. https://doi.org/10.25000/acem.949073