期刊
BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS
卷 561, 期 -, 页码 65-72出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.bbrc.2021.05.010
关键词
Vitiligo; Ferroptosis; Melanocytes; RSL3; Baicalein
The study demonstrated that baicalein can protect melanocytes from ferroptosis and alleviate cell damage induced by RSL3. This suggests that ferroptosis may play a crucial role in the occurrence and development of vitiligo, and could be a potential therapeutic target.
We explored the effect of baicalein on the ferroptosis of melanocytes in vitiligo. Melanocytes were treated with single RSL3 or combined RSL3 with FAC for 24 h and the effect of baicalein on RSL3 toxicity was further evaluated. Cell viability was examined by CCK8 assay. The mitochondrial membrane potential and the level of iron ion were measured by assay kit. Intracellular and lipid ROS production was detected by flow cytometry. The results indicated that RSL3 induced cell death, mitochondrial dysfunction, ROS production, and iron ion accumulation in melanocytes, which was aggravated by the addition of FAC. The damage induced by RSL3 was significantly relieved by baicalein treatment. Besides, baicalein up-regulated GPX4 and reduced TFR1 level in melanocytes treated with RSL3+FAC. Baicalein protected melanocytes against ferroptosis through up-regulating GPX4. Ferroptosis might be pervasive in the occurrence and development of vitiligo, and could be proposed as the potential therapeutic target. (c) 2021 Elsevier Inc. All rights reserved.
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