Polysaccharide Content of Schistosome Skin Test Antigens and the Reactivity of Nitrogenous and Carbohydrate Components
- 1 March 1963
- journal article
- research article
- Published by American Society of Tropical Medicine and Hygiene in The American Journal of Tropical Medicine and Hygiene
- Vol. 12 (2) , 179-183
- https://doi.org/10.4269/ajtmh.1963.12.179
Abstract
Summary A number of skin test antigens prepared by several methods from cercariae and adults of Schistosoma mansoni were analyzed for polysaccharide content by the anthrone method and nitrogen content by Nessler and micro-Kjeldahl methods. No correlation between nitrogen and polysaccharide content of the antigens was observed. Antigens prepared in different laboratories and adjusted to approximately similar nitrogen content gave comparable wheal areas when injected into the skin. The polysaccharide content of these antigens varied from 23 to 114 gamma per ml. It was concluded that polysaccharide content was an unreliable indicator of the in vivo activity of these skin test antigens.Keywords
This publication has 1 reference indexed in Scilit:
- A Clinical, Parasitologic, and Immunologic Study of Schistosomiasis in 103 Puerto Rican Males Residing in the United StatesAnnals of Internal Medicine, 1962