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Mitochondrial Fission Pathway

Molecular classification: Pathway

Overview

The Mitochondrial Fission Pathway is a fundamental cellular process that regulates mitochondrial morphology and network structure. It is crucial for maintaining cellular homeostasis, enabling metabolic adaptation, and facilitating quality control through mitophagy and removal of damaged mitochondria. Key components include Dynamin-related protein 1 (Drp1), Mitochondrial fission factor (Mff), and Fission 1 protein (Fis1). Dysregulation of this pathway has been implicated in various pathological conditions, including cancer, neurodegenerative diseases, and cardiovascular disorders.

Other names: Mitochondrial division pathwayMitochondrial dynamics (fission) pathway

Biological functions

Regulation of mitochondrial morphology and network structure[4][6]Maintenance of cellular homeostasis and metabolic adaptation[6][7]Quality control through mitophagy and removal of damaged mitochondria[5][6]Cell cycle progression and distribution of mitochondria during cell division[4][5]

Disease associations

Cancer: Altered mitochondrial fission is implicated in tumor progression and metastasis[2]. Overexpression or dysregulation can promote cancer phenotypes.Neurodegenerative disease: Excessive or defective fission linked to Huntington’s disease, Alzheimer’s disease, Parkinson’s disease, etc.[1][6].Cardiovascular disease: Impaired mitochondrial dynamics contribute to heart failure and other cardiovascular conditions[1].

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