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Assessing Autophagic Flux by Measuring LC3, p62, and LAMP1 Co-localization Using Multispectral Imaging Flow Cytometry
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Metabolic control of autophagy
Lorenzo Galluzzi1, Federico Pietrocola2, Beth Levine3
1Equipe 11 labellisée par la Ligue Nationale contre le Cancer, Centre de Recherche des Cordeliers, 75006 Paris, France; INSERM, U1138, 75006 Paris, France; Université Paris Descartes, Sorbonne Paris Cité, 75005 Paris, France; Université Pierre et Marie Curie, 75005 Paris, France; Gustave Roussy Cancer Campus, 94805 Villejuif, France.
Cell
|December 7, 2014
Summary
Macroautophagy, a cellular adaptation process, uses sensors to detect metabolic changes. This process is crucial for cell health and organismal balance, but its regulation can be altered in disease.
Area of Science:
- Cellular biology
- Metabolism
- Physiology
Background:
- Macroautophagy (autophagy) is a conserved cellular process for adapting to stress, like nutrient scarcity.
- Sensors linked to the autophagic machinery detect metabolic fluctuations.
- Autophagy maintains cellular health and organismal homeostasis.
Purpose of the Study:
- To discuss the physiological regulation of autophagy by metabolic pathways.
- To explore how metabolic control of autophagy is altered in disease.
Main Methods:
- Review of existing literature on autophagy regulation.
- Analysis of metabolic circuitries influencing autophagy.
- Examination of disease-associated alterations in autophagic control.
Main Results:
- Autophagy is physiologically regulated by interconnected metabolic signaling pathways.
- Dysregulation of these metabolic controls contributes to various diseases.
- Understanding these pathways is key to comprehending cellular adaptation and disease.
Conclusions:
- Metabolic circuitries play a vital role in the physiological control of autophagy.
- Altered metabolic regulation of autophagy is implicated in disease pathogenesis.
- Further research into these mechanisms can reveal therapeutic targets.
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