文獻(xiàn)引用明星產(chǎn)品：小鼠肝癌細(xì)胞Hepa1-6
文章標(biāo)題：DTX2 attenuates Lenvatinib-induced ferroptosis by suppressing docosahexaenoic acid biosynthesis through HSD17B4-dependent peroxisomal β-oxidation in hepatocellular carcinoma
影響因子：21.7
期刊：DRUG RESISTANCE UPDATES
作者列表：Zhongyan Zhang, Qi Zhou, Zhenchong Li, Fuxin Huang, Ke Mo, Cheng Shen, Xing Niu, Baohua Hou, Chuanzhao Zhang, Shanzhou Huang
發(fā)表時(shí)間：2025-5-16
DOI:10.1016/j.drup.2025.101224
主要研究成果：Abstract
Cigarette smoke (CS) disrupts mitochondrial iron homeostasis, causing excess free iron to generate reactive oxygen species, leading to oxidative stress and impairing tissue repair. For smokers undergoing bone defect repair, achieving precise control over the balance between mitochondrial free iron and stored iron, while simultaneously enhancing endogenous iron homeostasis, poses a considerable challenge. This study introduces the iron balance dual-drive strategy (IBDS), which efficiently chelates mitochondrial free iron and promotes ferritin synthesis to create a FerritinBank for iron deposition, thus optimizing endogenous iron homeostasis. IBDS is delivered through an injectable, biodegradable iron-capturing hydrogel (SilMA/gelMA/DPT). The released DPT selectively targets and chelates free iron within mitochondria, modulating mitochondrial dynamics to restore their function. This action is complemented by the promotion of ferritin synthesis, which serves to bolster endogenous iron homeostasis and suppress ferroptosis. Transcriptomic sequencing and experimental data suggest that DPT corrects energy metabolism abnormalities and promotes mitochondrial macromolecule synthesis. In vivo studies confirm that the iron-capturing hydrogel significantly improves the healing of smoking-induced calvarial bone defects. This is the first report of nanoparticles promoting ferritin synthesis to build an endogenous iron reservoir, highlighting the potential of the IBDS strategy for bone regeneration in smokers and other iron-overload-related conditions.
標(biāo)簽：
小鼠肝癌細(xì)胞Hepa1-6
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