Abstract
Although most of the evidence would lead one to believe that pollens are antigenic, there are a few experimenters who still hold to a contrary opinion because they have been unable to produce antibodies to pollens. The question is of interest in its relation to hay fever. If pollens are antigenic, the anaphylactic nature of hay fever may be regarded as at least a possible explanation of the phenomenon. As pollens contain protein, although in small amounts, it would naturally be assumed that when sufficiently large quantities of pollen have been injected and delicate enough tests performed, antibodies could be shown to be present.
Although we have only two experiments to report, our results are so convincing that we feel that a definite conclusion is justifiable. These results were obtained by testing the isolated uteri of sensitized guinea pigs by the Dale Method.
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