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  • Title: Alkaline phosphatase activity in the human tonsils and its relation to tonsillar diseases.
    Author: Rakhawy MT, Tarkhan AA, Zakaria AM.
    Journal: Acta Anat (Basel); 1976; 95(3):434-43. PubMed ID: 8945.
    Abstract:
    Alkaline phosphatase activity was examined in the human tonsils in fetal life and after repeated attacks of acute tonsillitis and in quinsy. Gomori's metal precipitate technique was used to demonstrate the phosphatase activity using four different substrates: sodium beta-glycerophosphate and adenosine triphosphate at pH 9, riboflavin 5-phosphate at pH 9.2 and 5-monophosphoric acid at pH 8.3. (2) The phosphatase activity differs somewhat according to the phosphate ester used as a substrate illustrating an example of 'substrate specificity'. (3) Alkaline phosphatase activity was increased in the case of both acute and chronic inflammation. This increase has been discussed in relation to such phenomena as transformation of lymphocytes into macrophages and antibody formation.
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