PTD-FNK Alleviated LPS-Induced Oxidative Stress of Boar Testicular Sertoli Cells via Keap1-Nrf2 Pathway
文献类型： 外文期刊
作者： Ji, Weixia 1 ; Huang, Qiuyan 1 ; Ma, Qiqi 1 ; Song, Xingxing 1 ; Zhang, Xin 1 ; Li, Xun 1 ; Wang, Xiaoye 1 ; Wang, Sutian 2 ; Wang, Yanling 3 ; Xiao, Zhengzhong 3 ; Hu, Chuanhuo 1 ;
作者机构： 1.Guangxi Univ, Coll Anim Sci & Technol, Guangxi Key Lab Anim Breeding Dis Control & Preven, Nanning 530004, Peoples R China
2.Guangdong Acad Agr Sci, Inst Anim Sci, State Key Lab Swine & Poultry Breeding Ind, Guangdong Key Lab Anim Breeding & Nutr, Guangzhou 510640, Peoples R China
3.Guangxi Vocat Univ Agr, Anim Husb Res Inst, Nanning 530001, Peoples R China
关键词：
PTD-FNK; Sertoli cell; oxidative stress;
期刊名称：VETERINARY SCIENCES （ 影响因子：2.3； 五年影响因子：2.4 ）
ISSN：
年卷期： 2024 年 11 卷 11 期
页码：
收录情况： SCI
摘要： PTD-FNK, a synthetic anti-apoptotic protein, has been shown to potently alleviate cellular injuries. However, the effects of PTD-FNK on oxidative defense in boar testicular Sertoli cells (SCs) against oxidative injury has not been explored. In this study, we show that exposure of SCs to 100 mg/L lipopolysaccharide (LPS) for 12 h leads to decreased survival rate, superoxide dismutase (SOD) activity, and increased malondialdehyde (MDA). Treatment with 0.01 nmol/L PTD-FNK for 4 h significantly enhanced the activity of SOD, catalase (CAT), glutathione peroxidase (GSH-Px), and total antioxidant capacity (T-AOC) in SCs. Concurrently, PTD-FNK treatment effectively reduced the production of reactive oxygen species (ROS) and the levels of 8-hydroxy-2 '-deoxyguanosine (8-OHdG) in SCs. Moreover, using His pull-down and LC-MS techniques, we identified PTD-FNK-interacting proteins and confirmed that this protective effect may be mediated by the regulation of the Keap1-Nrf2 signaling pathway by PTD-FNK. Therefore, PTD-FNK alleviates LPS-induced oxidative stress via the Keap1/Nrf2 pathway, providing novel insights for the development of therapeutic agents targeting testicular oxidative damage.
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