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From dysfunctional endoplasmic reticulum-mitochondria coupling to neurodegeneration
Zoi Erpapazoglou1, François Mouton-Liger1, Olga Corti1
1Inserm, U1127, F-75013, Paris, France; CNRS, UMR 7225, F-75013, Paris, France; Sorbonne Universités, UPMC Univ Paris 06, UMR S 1127, F-75013, Paris, France; Institut du Cerveau et de la Moelle épinière, ICM, F-75013, Paris, France.
Neurochemistry International
|April 9, 2017
Summary
Contact sites between the endoplasmic reticulum (ER) and mitochondria are crucial for cell health and implicated in neurodegenerative diseases. This review explores their function, dysfunction, and role in disease.
Area of Science:
- Cell Biology
- Neuroscience
- Biochemistry
Background:
- Endoplasmic reticulum (ER) and mitochondria contact sites are vital for cellular homeostasis.
- These contact sites regulate key functions including calcium (Ca2+) homeostasis, mitochondrial dynamics, and bioenergetics.
- Alterations in ER-mitochondria communication are increasingly linked to neurodegenerative disorders.
Purpose of the Study:
- To review the architecture and functions of ER-mitochondria contact sites.
- To discuss the consequences of ER-mitochondria interface alterations in neurodegenerative diseases.
- To highlight challenges in understanding defects in ER-mitochondria communication and their disease contribution.
Main Methods:
- Literature review of current research on ER-mitochondria contact sites.
- Analysis of disease-associated proteins interacting with the ER-mitochondria interface.
- Synthesis of findings related to neurodegenerative disorders.
Main Results:
- ER-mitochondria contact sites play a critical role in cellular functions.
- Dysfunction of these sites is associated with various neurodegenerative conditions.
- Specific proteins can perturb the structure and function of these contact sites.
Conclusions:
- ER-mitochondria contact sites are central to cellular health and disease.
- Understanding their role in neurodegeneration requires addressing current research challenges.
- Further investigation is needed to clarify the precise contribution of altered ER-mitochondria communication to disease pathogenesis.