A graphical journey through iron metabolism, microRNAs, and hypoxia in ferroptosis

Area of Science:

• Biochemistry
• Cell Biology
• Molecular Biology

Background:

• Ferroptosis is a regulated form of cell death dependent on iron.
• It is characterized by the accumulation of lipid peroxides, leading to membrane damage.
• Ferroptosis plays roles in both physiological processes and disease pathogenesis, including tissue injury and cancer therapy.

Purpose of the Study:

• To review the fundamental mechanisms of ferroptosis.
• To categorize known inducers and inhibitors of ferroptosis.
• To highlight the regulatory roles of microRNAs, iron homeostasis, and hypoxia in ferroptosis.

Main Methods:

• This work is a graphical review, synthesizing existing knowledge.
• It visually represents the core pathways involved in ferroptosis.
• Information on inducers, inhibitors, and regulatory factors is compiled and categorized.

Main Results:

• Ferroptosis induction involves alterations in iron metabolism, oxidative stress response, and lipid peroxide production.
• Cellular processes like transcription, translation, and microRNAs modulate ferroptosis.
• The tumor microenvironment, particularly hypoxia, significantly influences ferroptosis.

Conclusions:

• Ferroptosis is a complex process regulated by multiple cellular and environmental factors.
• Understanding ferroptosis is crucial for addressing conditions like brain and heart injury.
• Targeting ferroptosis may offer strategies to overcome chemotherapy resistance.