The Tohoku Journal of Experimental Medicine
Online ISSN : 1349-3329
Print ISSN : 0040-8727
ISSN-L : 0040-8727
On Proteins of Gastric Cancer
I. Preparation of Protein Fractions and Some of their Properties, Phsyical and Chemical
Azuma Masukawa
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1953 Volume 58 Issue 3-4 Pages 251-259

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Abstract

1. Three protein-fractions (the fraction which is insoluble in glacial acetic acid and precipitates from water at pH 2.0 (I), the one insoluble in glacial acetic acid and non-precipitable at any pH from water (II), and the glacial acetic acid-soluble (III)) were separated from a gastric cancer of persons belonging to Group A and a gastric cancer of Group O persons. Also the corresponding preparations were prepared from human gastric mucosa.
2. The solubilities, qualitative reactions and quantiativea nalyses resembled each other between the corresponding fractions of the gastric cancer and mucosa.
The rotation of a pair of preparations from cancers of persons belonging to Group A and from those of persons belonging to Group 0 were coincident with each other and lay between the rotations of the corresponding preparations from gastric mucosa.
Through the Grant Committee for the Scientific Researches was given a grant from the Education Department, which enabled us to carry out this investigation. H. Masamune.

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