## Abstract The screening of a series of 11 metastatic breast tumors for the presence of the placental isoenzyme of alkaline phosphatase (EC 3.1.3.1) by RIA revealed one strong producer. The alkaline phosphatase of this tumor was characterized with respect to its immunochemical crossβreactivity, in
Histochemical demonstration of alkaline phosphatase in human large intestine, normal and diseased
β Scribed by L. Bell; L. Williams
- Publisher
- Springer
- Year
- 1979
- Tongue
- English
- Weight
- 842 KB
- Volume
- 60
- Category
- Article
- ISSN
- 1432-119X
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β¦ Synopsis
Alkaline phosphatase activity has been investigated by histochemical methods in normal and diseased human large intestine. The tissues were constantly maintained at 4 degrees C or below. Specimens were either frozen in liquid nitrogen, freeze-dried and embedded in glycol methacrylate for sectioning at 2 mu, or, fixed in ice-cold formol-calcium for frozen sectioning at 10 mu. The simultaneous coupling azo dye method using the substrates sodium alpha-naphthyl phosphate and Naphthol AS-BI phosphate, resulted in the demonstration of alkaline phosphatase activity in the surface epithelial cells, and the middle and upper crypts, of normal and transitional mucosa.
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