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Published on: March 15, 2024
Dovitinib Ameliorates Inflammation-Related Diseases by Inhibiting Necroptosis and Ferroptosis
Yingying Lin1, Jianting Feng1, Mingyuan Zhao1
1The School of Basic Medical Sciences, Fujian Medical University, Fuzhou 350004, China.
Abstract:
Abnormal and dysregulated cell death plays important roles in organ injury. Necroptosis and ferroptosis are two distinct types of regulated cell death that can trigger inflammation and are involved in organ injury. The inhibition of necroptosis and ferroptosis is proposed to be beneficial for treating multiple pathological conditions. To find out necroptosis and ferroptosis inhibitors, we used a small-molecule compound library for screening and identified a clinically advanced compound, Dovitinib (Dov), as a potent dual inhibitor of necroptosis and ferroptosis. Dov inhibited tumor necrosis factor (TNF)-induced necroptosis by regulating receptor-interacting protein kinase 1 (RIPK1) and alleviated TNF-mediated systemic inflammatory response syndrome. Additionally, Dov inhibited ferroptosis by regulating the NRF2/HMOX1 axis and lipid peroxidation and protected against concanavalin A-induced acute liver injury. Thus, our work revealed that Dov is a dual inhibitor of necroptosis and ferroptosis and provides a potential therapeutic drug or combination approach for treating necroptosis- and ferroptosis-related diseases.
Insights
Dovitinib (Dov) effectively inhibits both necroptosis and ferroptosis, two cell death types linked to organ injury and inflammation. This dual-action compound shows potential as a therapeutic for related diseases.
Area of Science:
- Biochemistry
- Cell Biology
- Pharmacology
Background:
- Dysregulated cell death, including necroptosis and ferroptosis, significantly contributes to organ injury and inflammation.
- Targeting these cell death pathways is a promising therapeutic strategy for various pathological conditions.
Purpose of the Study:
- To identify novel inhibitors of necroptosis and ferroptosis.
- To evaluate the therapeutic potential of identified compounds in disease models.
Main Methods:
- Screening of a small-molecule compound library to identify dual inhibitors.
- Investigating the molecular mechanisms of inhibition for necroptosis (via RIPK1) and ferroptosis (via NRF2/HMOX1 axis).
- Assessing compound efficacy in models of TNF-induced inflammation and concanavalin A-induced acute liver injury.
Main Results:
- Dovitinib (Dov) was identified as a potent dual inhibitor of necroptosis and ferroptosis.
- Dov inhibited TNF-induced necroptosis by regulating RIPK1, alleviating systemic inflammation.
- Dov inhibited ferroptosis by modulating the NRF2/HMOX1 axis and lipid peroxidation, protecting against liver injury.
Conclusions:
- Dovitinib acts as a dual inhibitor of necroptosis and ferroptosis.
- Dovitinib presents a potential therapeutic agent or combination therapy for diseases involving these cell death pathways.
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