Also found in: Medical, Encyclopedia, Wikipedia.


The process of self-digestion by a cell through the action of enzymes originating within the same cell.


(ɔːˈtɒfədʒɪ) or


the consumption of one's own tissue by biting oneself

autophagy, autophagia

Medicine. 1. the eating of one’s own body.
2. the nutrition of the body by its own tissues, as in dieting. — autophagous, adj.
See also: Food and Nutrition
References in periodicals archive ?
In a complementary approach I also propose to capitalize on innovative in vitro liposome-based proteome-wide screening methods as well as in vivo genetic screens in fruit flies to find novel membrane-associated machines that mediate synaptic autophagy with the ultimate aim to reveal how these mechanisms regulate the maintenance of synaptic health.
AMPK also promotes the cellular "housekeeping" function called autophagy, (21,22) in which cells consume themselves and recycle their contents, a process that eliminates damaged DNA (23) and misshapen proteins (24) that can themselves impair cellular function and even trigger cancers.
Based on these studies, multiple clinical trials targeting autophagy are underway world-wide.
They include anti-inflammatory effects, detoxification mechanisms for a wide variety of xenobiotic toxicants, improved mitochondrial function, and autophagy, a process by which both toxic protein aggregates and dysfunctional organelles can be degraded.
Autophagy, a catabolic degradation process through lysosomes, plays an important role in tumorigenesis and cancer therapy.
They found that a normal cell process called autophagy was deregulated in diabetic hearts, so that a marked increase in autophagy triggered activation of pro-cell death proteins, leading to progressive loss of cardiac cells.
Creative Bioarray supplies a broad range of assay tools that can be implemented with PSCs or differentiated progeny to interrogate disease-relevant biology, such as cell viability, cell proliferation, apoptosis, autophagy, generation of reactive oxygen species, mitochondrial function, ion transport, pathway signaling, gene expression, protein expression and post-translational modifications.
The study, led by Beth Levine, director of the Center for Autophagy Research and a Howard Hughes Medical Institute investigator, revealed that EGFR turns off autophagy, a process by which cells recycle unneeded parts, by binding to a protein, Beclin 1, which normally turns on the process.
Autophagy is a process by which the body recycles old or damaged cell parts and keeps the healthy cells and the body running efficiently.
With its unique mechanism of action, this asparagus variety offers a solution to the naturally occurring cellular aging process by stimulating the skin's own autophagy capabilities, thus helping to delay signs of cellular aging by decades.
Cells use autophagy (a term from the Greek for self-eating) to degrade their own components.
Furthermore, TOR is a negative regulator of autophagy in organisms from yeast to man because knockout or knockdown of ATG genes can abolish the lifespan-extending effects of rapamycin in all species investigated (Bjedov et al.