Abstract Title:

Dietary luteolin protects against HgCl2-induced renal injury via activation of Nrf2-mediated signaling in rat.

Abstract Source:

J Inorg Biochem. 2017 Nov 9 ;179:24-31. Epub 2017 Nov 9. PMID: 29156292

Abstract Author(s):

Xiao Tan, Biying Liu, Jingjing Lu, Siyu Li, Ruiqi Baiyun, Yueying Lv, Qian Lu, Zhigang Zhang

Article Affiliation:

Xiao Tan


Luteolin (Lut) belongs to the flavonoid family with various beneficial bioactivities. Here, we investigated whether Lut attenuate mercuric chloride (HgCl2)-induced renal injury in rat. We found that oral gavage administration of Lut (80mg/kg) alleviated anemia and renal histology upon HgCl2 treatment (80mg/L). Lut also significantly reduced HgCl2-induced oxidative stress and inflammatory, presenting as the reduced malondialdehyde (MDA) formation, increased glutathione (GSH) level, and inhibited activation of nuclear factor kappa B (NF-κB). Moreover, Lut protected renal cells from HgCl2-induced apoptosis, as assessed by Terminal deoxynucleotidyl transferase dUNT nick end labeling (TUNEL) assay and the protein levels of B-cell lymphoma gene 2 (Bcl-2), B-cell lymphoma-extra large (Bcl-xL), Bcl-2-associated X protein (Bax), and p53.Interestingly, Lut reduced renal mercuric accumulation in rat. Furthermore, Lut increased nuclear translocation of the nuclear factor-erythroid-2-related factor 2 (Nrf2), and subsequent protein expression of the antioxidant enzymes, heme oxygenase-1 (HO-1) and nicotinamide adenine dinucleotide phosphatase: quinone-acceptor 1 (NQO1). Our results suggest that Lut suppress HgCl2-induced renal injury via activation of Nrf2 signaling pathway.

Study Type : Animal Study

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