Zur Frage der Bedeutung des Kininsystems beim thermischen Ödem der Rattenpfote

  • D. Urbanitz
  • H. Wiegand
  • E. Habermann


Kinine Permeabilität Hitze Entzündung 


  1. 1.

    The subcutis of rat paws heated (46, 5° C) in situ has been perfused. Kinin activity could be demonstrated regularly in the fluid which was collected in ice. When the solutions were tested immediately after having passed the tissue, only some of the experiments yielded positive results. Native and 125J-labelled kininogen as well as kininogenase and kininase activities passed into the perfusates. The sensitivity to dextran and the kinin release on heating were, in contrast to recent reports, not correlated.

  2. 2.

    The release of the components of the kinin system approximately paralleled that of labelled human albumin. Their concentration rose until about 1 hour after the start of the heating. There was no priority of the components of the kinin system when compared with human albumin which can be regarded as permeability indicator.

  3. 3.

    Intravenously injected carboxypeptidase B, because of its lower molecular weight, entered the interstitial fluid more easily than did the plasma carboxypeptidase N. Its blood level decreased rapidly; but sufficient tissue concentrations could be maintained by intravenous infusions. Neither the volume nor the time dependence of the thermic edema changed during carboxypeptidase B-infusions. The same was true for infusions of trasylol, whereas phenylbutazone inhibited the edema significantly. Edema formed by short heating (30 sec, 55° C) was equally resistant to carboxypeptidase B.

  4. 4.

    In the skin and muscles of the heated rat paw, carbon particles mainly stained the capillary walls. This finding argues against a considerable involvement of “classical” mediators which should induce venular lesions.

  5. 5.

    Infusion of large amounts of bradykinin into the arterial supply did not imitate the thermic edema; neither has bradykinin been found in the perfusate of the subcutis.

  6. 6.

    In the light of these findings, a significant role of the kinin system in the thermic edema of the rat paw is to be doubted.



Kinins Permeability Heat Inflammation 


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Copyright information

© Springer-Verlag Berlin Heidelberg 1969

Authors and Affiliations

  • D. Urbanitz
    • 1
  • H. Wiegand
    • 1
  • E. Habermann
    • 1
  1. 1.Pharmakologisches InstitutJustus Liebig-UniversitätGießenDeutschland

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