protein metabolism


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pro·tein me·tab·o·lism

decomposition and synthesis of protein in the tissues.
Synonym(s): proteometabolism

protein metabolism

the processes whereby protein foods are used by the body to make tissue proteins, together with the processes of breakdown of tissue proteins in the production of energy. Food proteins are first broken down into amino acids, then absorbed into the bloodstream, and finally used in body cells to form new proteins. Amino acids in excess of the body's needs may be converted by liver enzymes into keto acids and urea. The keto acids may be used as sources of energy via the citric acid cycle, or they may be converted into glucose or fat for storage. Urea is excreted in urine and sweat. Growth hormone, insulin, and androgens stimulate protein formation, and adrenal cortical hormones tend to cause breakdown of body proteins. Diseases affecting protein metabolism include homocystinuria, liver disease, maple sugar urine disease, and phenylketonuria.

pro·tein me·ta·bo·lism

(prō'tēn mĕ-tab'ŏ-lizm)
Decomposition and synthesis of protein in the tissues.

pro·tein me·ta·bo·lism

(prō'tēn mĕ-tab'ŏ-lizm)
Decomposition and synthesis of protein in tissues.
References in periodicals archive ?
Skeletal muscle myofibrillar protein metabolism in heart failure: relationship to immune activation and functional capacity.
Obtaining large data sets like this for marine invertebrates in extreme environments will provide a new perspective on the metabolic costs associated with protein metabolism, and ultimately organismal survival, in these habitats.
Finally, the results revealed that the protein metabolism was modulated on treatment with dexamethasone, whatever may be the mechanism of action, the results of protein fractions, proteins ratios and related enzyme activities provided clear evidence that the silkworm larvae, Bombyx mori responded to the influence of dexamethasone by altering protein metabolism.
The transaminases GPT, GOT are significant not only as link between carbohydrate and protein metabolism but also in the degradation of metabolites.
Despite these abnormalities in protein metabolism, patients with cirrhosis do not require more protein from the diet than do people without cirrhosis (i.
In autumn, protein metabolism in the blood declines, as does non-protein nitrogen, urea, and transaminase activity (Table 2).
AIT IS important you try not to overload the kidneys with too much protein as kidneys excrete waste products from protein metabolism in the liver.
This book was compiled to assemble and discuss the relevant methods in the field of amino acid and protein metabolism investigation.
In summary, this book is a must for those who use albumin to restore failing circulation or to promote nutritional functions, as well as for clinical researchers of plasma protein metabolism and transport of substances in blood.
Diabetes is a complex syndrome involving abnormalities of carbohydrate, lipid, and protein metabolism stemming from either a deficiency of insulin or the metabolic effects of insulin on cells.
Diabetes Mellitus is identified by hyperglycaemia and disturbances of the carbohydrate, fat, and protein metabolism which are associated with absolute or relative deficiencies in insulin secretion.