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MFSD7C protects hemolysis-induced lung impairments by inhibiting ferroptosis

ABSTRACT: MFSD7C protects hemolysis-induced lung impairments by inhibiting ferroptosis

PROVIDER: PRJNA1062043 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR27449325_1.fastq.gz	Fastqsanger.gz
	SRR27449325_2.fastq.gz	Fastqsanger.gz
	SRR27449326_1.fastq.gz	Fastqsanger.gz
	SRR27449326_2.fastq.gz	Fastqsanger.gz
	SRR27449327_1.fastq.gz	Fastqsanger.gz

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MFSD7C protects hemolysis-induced lung impairments by inhibiting ferroptosis

Project description:Hemolysis drives susceptibility to lung injury and predicts poor outcomes in diseases, such as malaria and sickle cell disease (SCD). However, the underlying pathological mechanism remains unknown. Here, we report that major facilitator superfamily domain containing 7C (MFSD7C) protects the lung from hemolytic-induced damage by preventing ferroptosis. Mechanistically, MFSD7C deficiency leads to mitochondrial dysfunction and lipid remodeling caused by increased fatty acid uptake and decreased consumption, the excess accumulation of lipids sensitizes cells to peroxidation and ferroptosis. Moreover, systematic delivery of MFSD7C mRNA-loaded nanoparticles to the lungs effectively prevented lung injury in mice with hemolysis. These findings present the detailed link between hemolytic complications and ferroptosis, providing potential therapeutic targets for patients with hemolytic disorders.

2024-02-08 | GSE252686 | GEO

Glutathione supplementation improves fat graft survival by inhibiting ferroptosis via the SLC7A11/GPX4 axis

Project description:Background: Autologous fat grafting is hampered by unpredictable graft survival, which is potentially regulated by ferroptosis. Glutathione (GSH), a powerful antioxidant used in tissue preservation, has ferroptosis-regulating activity; however, its effects on fat grafts are unclear. This study investigated the effects and mechanisms of GSH in fat graft survival. Methods: Human lipoaspirates were transplanted subcutaneously into the backs of normal saline-treated (control) or GSH-treated nude mice. Graft survival was evaluated by magnetic resonance imaging and histology. RNA sequencing was performed to identify differentially expressed genes and enriched pathways. GSH activity was evaluated in vitro using an oxygen and glucose deprivation (OGD) model of adipose-derived stem cells. Results: Compared with control group, GSH induced better outcomes, including superior graft retention, appearance, and histological structures. RNA sequencing suggested enhanced negative regulation of ferroptosis in the GSH-treated grafts, which showed reduced lipid peroxides, better mitochondrial ultrastructure, and SLC7A11/GPX4 axis activation. In vitro, OGD-induced ferroptosis was ameliorated by GSH, which restored cell proliferation, reduced oxidative stress, and upregulated ferroptosis defense factors. Conclusions: Our study confirms that ferroptosis participates in regulating fat graft survival and that GSH exerts a protective effect by inhibiting ferroptosis. GSH-assisted lipotransfer is a promising therapeutic strategy for future clinical application.

2023-05-08 | GSE231511 | GEO

Nrf2-regulated L-2-hydroxyglutarate sensitizes erythroid cells to ferroptosis in sickle cell disease

Project description:SCD had hemolysis with elevated levels of heme and iron, which induced ferroptosis. Here, we found Nrf2 knockout in SCD mice accumulated the levels of the metabolite L-2-hydroxyglutarate (L2HG), which impaired ferroptosis stress response to exacerbate SCD symptom. Mechanistically, L2HG was found to regulate the expression of genes involved in the iron and heme metabolism via histone epigenetic hypermethylation. Our findings indicate an important role of Nrf2/L2HG in SCD for ferroptosis response.

2021-11-19 | GSE188695 | GEO

Nrf2-regulated L-2-hydroxyglutarate sensitizes erythroid cells to ferroptosis in sickle cell disease [ChIP]

2023-03-02 | GSE225966 | GEO

Nrf2-regulated L-2-hydroxyglutarate sensitizes erythroid cells to ferroptosis in sickle cell disease [ChIP-seq]

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Daphnetin induces ferroptosis in ovarian cancer by inhibiting NAD(P)H: Quinone oxidoreductase 1 (NQO1)

Project description:Ferroptosis, an emerging nonapoptotic, regulated cell death process distinguished by iron accumulation and subsequent lipid peroxidation, is intricately implicated in the development and progression of multiple cancer types. Here, we aimed to reveal that triggering ferroptosis is a promising treatment strategy for ovarian cancer. In this study, we not only validated that daphnetin caused ferroptosis, but evaluated the effects of daphnetin (and/or cisplatin) in vitro and vivo.Here, we elucidated that daphnetin, a natural product isolated from Daphne Korean Nakai, can exert antitumor effects by inducing the death and suppressing the migration of ovarian cancer cells. Subsequently, transcriptome analysis and ferroptosis inhibitor (Fer-1 and DFO) experiments revealed that there is a close correlation between daphnetin and ferroptosis in ovarian cancer. We further found that daphnetin induced ferroptosis in ovarian cancer cells, as evidenced by the accumulation of intracellular ferrous iron (Fe2+), reactive oxygen species (ROS) and lipid peroxides, as well as the depletion of glutathione (GSH) and ferroptosis indicators (SLC7A11 and GPX4). In particular, daphnetin effectively reduced the mRNA and protein levels of NQO1 (a ubiquitous flavoenzyme), and a high expression level of NQO1 was significantly associated with poor prognosis and ferroptosis resistance in ovarian cancer patients. Furthermore, NQO1 activation markedly attenuated daphnetin-induced cell death, migration and ferroptotic events in vitro and vivo. Interestingly, we also found that treatment with daphnetin, a negative regulator of NQO1, in combination with cisplatin synergistically induced ovarian cancer cell cytotoxicity. This study demonstrated that daphnetin induces ferroptosis by inhibiting NQO1 in ovarian cancer cells. Our findings identified NQO1 as a new daphnetin target and suggested that targeting NQO1 might have therapeutic effects on ovarian cancer.

2024-05-23 | GSE267812 | GEO

ZMYND8 is a negative regulator of ferroptosis in BCSCs

Project description:ZMYND8 Protects Breast Cancer Stem Cells against Oxidative Stress and Ferroptosis through Activation of NRF2

2024-02-19 | GSE226834 | GEO

Iron-bound lipocalin-2 protects renal cell carcinoma from ferroptosis

Project description:Iron-bound lipocalin-2 protects renal cell carcinoma from ferroptosis

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Inhibiting LCN2 can suppress the development of NSCLC by promoting ferroptosis

Project description:Inhibiting LCN2 can suppress the development of NSCLC by promoting ferroptosis

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Inhibiting LCN2 can suppress the development of NSCLC by promoting ferroptosis

Project description:Ferroptosis, a recently discovered form of regulated cell death, has been closely linked to tumor progression. However, the underlying mechanism of ferroptosis in non-small cell lung cancer (NSCLC) remains unclear. In this study, we conducted transcriptome sequencing on NSCLC samples. Overall, our study suggests that suppressing LCN2 can effectively inhibit the development of NSCLC by promoting ferroptosis

2023-07-27 | GSE238161 | GEO

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