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The hydrolytic breakdown of proteins into peptides and amino acids, as occurs during digestion.


(Biochemistry) the hydrolysis of proteins into simpler compounds by the action of enzymes: occurs esp during digestion
[C19: from New Latin, from proteo- (from protein) + -lysis]
proteolytic adj


(ˌproʊ tiˈɒl ə sɪs)

the breaking down of proteins into simpler compounds, as in digestion.
[1875–80; proteo- (comb. form representing protein) + -lysis]
pro`te•o•lyt′ic (-əˈlɪt ɪk) adj.


the breaking down or hydrolysis of proteins into simpler compounds, as in digestion. — proteolytic, adj.
See also: Bodily Functions
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.proteolysis - the hydrolysis of proteins into peptides and amino acids by cleavage of their peptide bonds
chemical action, chemical change, chemical process - (chemistry) any process determined by the atomic and molecular composition and structure of the substances involved
References in periodicals archive ?
BRD4 Proteolysis Targeting Chimera (PROTAC) Leads to Sustained Degradation of BRD4 with Broad Activity against Acute Leukemias and Overcomes Stroma Mediated Resistance by Modulating Surface Expression of CXCR4 (Abstract #675)
For example, daily administrations of corticosterone cause responses such as increased feed and water consumptions, reduced energy absorptive efficiency, suppressed growth rate, enhanced proteolysis and gluconeogenesis in broilers (Siegel and Van Kampen, 1984; Lin et al.
Investigational eFlow nebuliser systems are customised per investigational drug product and currently used in the development of aerosol therapies for cystic fibrosis, chronic obstructive pulmonary disease, non-tuberculous mycobacteria lung infections, alpha-1 antitrypsin deficiency, ventilator associated pneumonia, pulmonary alveolar proteolysis, and bronchiolitis obliterans after lung transplantation among other indications.
Both products are low in proteolysis over shelf life, creating flexibility in further cheese processing with less cheese losses and improved functional benefits like optimized stretch and cheese browning when used on pizza.
Other researchers reported that the dry matter content of Urfa cheese decreased throughout storage as a result of extended proteolysis [8].
The presence of clear zones around the colonies was indicative of proteolysis.
Fasting did increase several mRNAs that encode proteins with known roles in catabolic processes such as fat oxidation, reverse cholesterol transport, thermogenesis, inhibition of protein synthesis, autophagy, ubiquitin-mediated proteolysis, glutamine transport, and heme catabolism.
As intensified inflammatory activation may lead to local proteolysis, plaque rupture, and formation of a thrombus, studies of conventional and regulatory T cell functions during hypercholesterolemia are of outmost importance.
signal transduction (11%), protein folding, proteolysis and translation (20%), and immune response (2%).
Proteolysis involves the breakdown of proteins into smaller amino acids and polypeptides.
Similarly, hypertrophic obstructive cardiomyopathy, ventricular septal defect and left ventricular assist devices associated with shear-induced vWF conformational changes leading to increased proteolysis of vWF (2).
This review presents an overview of the actions on angiogenesis of the above-mentioned peptide hormonal families and addresses how specific proteolysis alters the final outcome of these actions in the context of health and disease.