, Volume 58, Issue 4, pp 281–288 | Cite as

Quantitative determination of G6Pase activity in histochemically defined zones of the liver acinus

  • H. F. Teutsch


Qualitative histochemical G6Pase distribution patterns obtained with an improved method (Teutsch, 1978) served as the basis for a zonal microdissection of the liver acinus. G6Pase activity was determined quantitatively in tissue samples of zones 1 and 3 by a microfluorometric method (Burch et al., 1978). Using a correlation system it could be demonstrated that the histochemical distribution pattern obtained with the improved method was in better agreement with quantitatively estimated zonal differences of G6Pase activity, both in fed and starved female rats, than with the Wachstein and Meisel medium (1956). From a total of 50 tissue samples analyzed the following average G6Pase activities were calculated: in fed animals 15.36±3.48 U/g dry weight in zone 1, and 9.28±2.15 U/g dry weight in zone 3; in starved female rats 42.50±8.20 U/g dry weight in zone 1, and 29.25±5.68 U/g dry weight in zone 3. The qualitative histochemical as well as quantitative zonal differences of G6Pase activities are taken as further support for the hypothesis of metabolic zonation of liver parencyma.


Public Health Tissue Sample Distribution Pattern Quantitative Determination Correlation System 
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© Springer-Verlag 1978

Authors and Affiliations

  • H. F. Teutsch
    • 1
  1. 1.Lehrstuhl Anatomie IIIAnatomisches Institut der Universität FreiburgFreiburg i.Br.Germany

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