Aging and cerebral aminopeptidase activity

J.M. Gandarias
L. Casis
R. Múgica
G. Aréchaga
M. Ramírez
57

Abstract

A comparative study of brain aminopeptidase activity between 18 month old male rats and young adults of 3 months has been carried out utilizing the arylamides Leu-, Arg-, Lys-, Tyr- and Asp-beta-naphthylamide as substrates.Statistical analysis of results showed no significant differences either in areas studied or for enzymatic activities detected when both ages were compared.Two different patterns of regional distribution of enzymatic activity were observed: One came to be as a result of the use of Lys-, Arg-, Leu- or Tyr-beta-naphthylamide and the other as a result of the use of Asp-beta-naphthylamide.

Keywords:
Aging/metabolism, Aminopeptidases/metabolism, Animals, Brain/enzymology, Inbred Strains, Male, Rats, Arylamide

Authors

J.M. Gandarias
L. Casis
R. Múgica
G. Aréchaga
M. Ramírez


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