Cadmium exposure induces necroptosis of porcine spleen via ROS‐mediated activation of STAT1/RIPK3 signaling pathway

Author:

Xia Yu1,Zhang Yiming1,Zhang Jintao1,Du Yongzhen1,Wang Yixuan1,Xu Anqi1,Li Shu1

Affiliation:

1. College of Veterinary Medicine Northeast Agricultural University Harbin People's Republic of China

Abstract

AbstractCadmium (Cd), a heavy metal, is used in a wide range of applications, such as plastics, electroplating process, electronics, and so forth. Due to its bioaccumulation ability, Cd can contaminate soil, water, air and food. To determine the effect of Cd exposure on the necroptosis in pig spleen and its mechanistic investigation, we constructed a model in pigs by feeding them food containing 20 mg/kg Cd. In this study, we analyzed the effects of Cd exposure on pig spleen through HE staining, Quantitative real‐time PCR (qRT‐PCR), Western blot (WB), and principal component analysis (PCA). Results show that Cd exposure can destroy the structure and function of pig spleen, which is closely related to necroptosis. Further results show that Cd exposure can induce necroptosis through ROS‐mediated activation of Signal transducer and activator of transcription 1/Receptor‐Interacting Serine/Threonine‐Protein Kinase 3 (STAT1/RIPK3) signaling pathway in pig spleen. Additionally, Cd exposure also can affect the stability of mitochondrial‐associated endoplasmic reticulum membrane (MAMs) structure, which also contributes to the process of necroptosis. Our study provides insights into the physiological toxicity caused by Cd exposure.

Publisher

Wiley

Subject

Health, Toxicology and Mutagenesis,Genetics (clinical),Epidemiology

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