Effects of ageing on protein metabolism and requirement

Some effects of ageing on protein metabolism can be detected at the molecular levels. At the whole body levels, there is a loss of lean body mass resulting mainly from a loss of muscle protein. The causes of such a loss are difficult to determine in a basal state since the effects of the molecular a...

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Bibliographic Details
Published inZbornik Biotehniske fakultete Univerze v Ljubljani (Slovenia) no. 70
Main Authors Patureau-Mirand, P, Arnal, M.A, Malmezat, T, Mosoni, L. (Center Clermont-Ferrand-Theix, Saint Genes-Champanelle (France))
Format Journal Article
LanguageEnglish
Published 1997
Subjects
AGING
ANABOLISM
ANABOLISME
ANABOLISMO
BESOIN NUTRITIONNEL
ENVEJECIMIENTO
GENERO HUMANO
GENRE HUMAIN
MANKIND
METABOLISME DES PROTEINES
METABOLISMO PROTEICO
MUSCLE
MUSCLES
MUSCULOS
NECESIDADES DE NUTRIENTES
NUTRITIONAL REQUIREMENTS
PROTEIN METABOLISM
PROTEIN SYNTHESIS
PROTEINAS
PROTEINE
PROTEINS
SINTESIS DE PROTEINAS
SYNTHESE PROTEIQUE
VIEILLISSEMENT
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Summary:Some effects of ageing on protein metabolism can be detected at the molecular levels. At the whole body levels, there is a loss of lean body mass resulting mainly from a loss of muscle protein. The causes of such a loss are difficult to determine in a basal state since the effects of the molecular alterations on protein synthesis and degradation rates are rarely detected at the tissue or whole body levels. In contrast, ageing affects the control protein metabolism by hormones, exercise and nutrients and the muscle atrophy could be linked more directly to those alterations. The decrease of protein anabolism efficiency suggests that protein requirements in the elderly are as high as those of young adults.
Bibliography:1998010084
L52
L51
ISSN:1408-3434