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Archives of Dermatological Research

, Volume 260, Issue 1, pp 29–38 | Cite as

The distribution of enzymes in the epidermis of the domestic cat

  • Wilfried Meyer
  • Klaus Neurand
Article

Summary

With the help of enzyme histochemical methods, the distribution and activities of several oxidative and hydrolytic enzymes in the epidermis of the densely-haired domestic cat have been studied. Distinct oxidative enzyme activity could be demonstrated in all epidermallayers except the stratum corneum. Among the hydrolytic enzymes investigated, strong reactions for non-specific esterases were visible especially in the str. granulosum and the basal lamellae of the str. corneum. Positive reactions for cholinesterases could not be observed in the cat epidermis.

The results are discussed in relation to corresponding investigations on the epidermis of sparsely-haired mammals, e. g. the domestic pig and man. Generally the enzyme pattern of the cat epidermis only shows limited parallels to man, especially where esterase distribution is concerned.

Key words

Cat Epidermis Histochemistry Enzymes 

Zusammenfassung

Mit Hilfe von enzymhistochemischen Methoden wurden die Verteilung und die Aktivitäten verschiedener oxydativer und hydrolytischer Enzyme in der Epidermis der Hauskatze untersucht. Deutliche Aktivitäten oxydativer Enzyme konnten mit Ausnahme des Stratum corneum in allen epidermalen Zellagen beobachtet werden. Unter den nachgewiesenen hydrolytischen Enzymen zeigte besonders die unspezifische Esterase stark positive Reaktionen im Stratum granulosum und in den basalen Anteilen des Stratum corneum. Cholinesterase-Aktivitäten waren in der Epidermis der Katze nicht festzustellen.

Die vorliegenden Ergebnisse von der Epidermis der dicht behaarten Hauskatze werden im Zusammenhang mit den Ergebnissen entsprechender Untersuchungen an der Epidermis spärlich behaarter Säugetierarten (z.B. Hausschwein und Mensch) diskutiert. Insgesamt weist das Enzymmuster der Katzenepidermis nur bedingt Parallelen zu demjenigen der Epidermis des Menschen auf, wobei speziell in der Verteilung und den Aktivitäten von Esterasen Abweichungen auftreten.

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Copyright information

© Springer-Verlag 1977

Authors and Affiliations

  • Wilfried Meyer
    • 1
  • Klaus Neurand
    • 2
  1. 1.Institut für ZoologieHannoverFederal Republic of Germany
  2. 2.Anatomisches InstitutAbt. Histologie, Tierärztliche Hochschule HannoverHannoverGermany

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