PMID: 6166130Mar 1, 1981Paper

Gene expression, metabolic regulation and aging

Zeitschrift für die gesamte innere Medizin und ihre Grenzgebiete
W RotzschV Richter

Abstract

The biological ageing comprises changes of of structure and function depending on time with the beginning of the autonomy of a living being up to death. On the one hand, the causes of this process are genetically fixed, on the other hand they depend on environmental factors and are not programmed. In the course of life the total genome and also the nucleic acid underlie influences, which must have consequences on the gene expression. In these cases the changed sensitivity of the genetic apparatus in comparison to hormones is impressionably changed. The decreased protein biosynthesis may be stimulated by increased amino acid concentrations and by SH-substances, Age-depending changes are also observed for enzymatically catalyzed reactions and in the regulation of chains of metabolism. At first the biologic ageing appears as a complex multiform process, which reaches the simplest integration level in the cellular metabolism.

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