文献类型：期刊文献

英文题名：Hedgehog pathway negatively regulated depleted uranium-induced nephrotoxicity

作者：Xie, Xueying[1];Fu, Guoquan[1];Liu, Yuxin[1];Fan, Caixia[1];Tan, Shanshan[1];Huang, Huarong[2];Yan, Junyan[1,3];Jin, Lifang[1,3]

机构：[1]Shaoxing Univ, Sch Life & Environm Sci, Shaoxing, Zhejiang, Peoples R China;[2]Hangzhou Normal Univ, Coll Life & Environm Sci, Hangzhou, Peoples R China;[3]Shaoxing Univ, Sch Life & Environm Sci, Shaoxing 312000, Zhejiang, Peoples R China

年份：2024

外文期刊名：ENVIRONMENTAL TOXICOLOGY

收录：SCI-EXPANDED(收录号：WOS:001192333600001)、、EI(收录号：20241515867098)、Scopus(收录号：2-s2.0-85189501129)、WOS

基金：This work was supported by Open Fund of Shaoxing Academy of Biomedicine of Zhejiang Sci-Tech University (NO.SXAB202015).

语种：英文

外文关键词：depleted uranium (DU); Gli2; hedgehog signaling; nephrotoxicity; oxidation

外文摘要：Depleted uranium (DU) retains the radiological toxicities, which accumulates preferentially in the kidneys. Hedgehog (Hh) pathway plays a critical role in tissue injury. However, the role of Hh in DU-induced nephrotoxicity was still unclear. This study was carried out to investigate the effect of Gli2, which was an important transcription effector of Hh signaling, on DU induced nephrotoxicity. To clarify it, CK19 positive tubular epithelial cells specific Gli2 conditional knockout (KO) mice model was exposed to DU, and then histopathological damage and Hh signaling pathway activation was analyzed. Moreover, HEK-293 T cells were exposed to DU with Gant61 or Gli2 overexpression, and cytotoxicity of DU as analyzed. Results showed that DU caused nephrotoxicity accompanied by activation of Hh signaling pathway. Meanwhile, genetic KO of Gli2 reduced DU-induced nephrotoxicity by normalizing biochemical indicators and reducing Hh pathway activation. Pharmacologic inhibition of Gli1/2 by Gant61 reduced DU induced cytotoxicity by inhibiting apoptosis, ROS formation and Hh pathway activation. However, overexpression of Gli2 aggravated DU-induced cytotoxicity by increasing the levels of apoptosis and ROS formation. Taken together, these results revealed that Hh signaling negatively regulated DU-inducted nephrotoxicity, and that inhibition of Gli2 might serve as a promising nephroprotective target for DU-induced kidney injury.