Resistance Lowering Effect of Human Respiratory Tract Mucin.
- 1 April 1951
- journal article
- research article
- Published by Frontiers Media SA in Experimental Biology and Medicine
- Vol. 76 (4) , 777-780
- https://doi.org/10.3181/00379727-76-18630
Abstract
Human respiratory tract mucin possesses a resistance-lowering factor similar in activity to that of hog gastric mucin. This effect was shown by intra-bronchial inoculation of rats with pneumococci suspended in saline or the 2 types of mucin. It was also shown by intraperit. inoculation of mice with streptococci suspended in saline, in the 2 types of mucin, or in fractions thereof. Evidence against resistance-lowering properties of mucin depending on the presence of blood group A antigen was obtained by fractionating human respiratory tract mucin and testing the fractions for blood group A antigen and the resistance lowering properties of the fractions.Keywords
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