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Science 17 January 1969:
Vol. 163. no. 3864, pp. 290 - 291
DOI: 10.1126/science.163.3864.290
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Articles

Antigen-Associated Immunosuppressant: Effect of Serum on Immune Response

H. Y. Whang 1 and E. Neter 1

1 Departments of Microbiology and Pediatrics, State University of New York at Buffalo, and Children's Hospital, Buffalo 14222

Serum from various animal species, including the test animals themselves, inhibits the antibody response of the rabbit to two bacterial antigens, provided that antigen and immunosuppressant interact prior to injection. The degree of immunosuppression is related to the length of incubation in vitro of antigen and serum. Serum does not hinder or destroy the antigenic determinant. Bacterial antibodies do not account for inhibition of the antibody response. Antigen-associated serum components, as yet unidentified, may affect the early events of the immune response.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)