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From The Division of Human Genetics, Department of Medicine, Cornell University Medical College, New York, New York 10021
Abstract
Modulation of membrane associated immunoglobulins by specific antibodies was studied on lymphoid cells of established suspension cultures derived from four normal individuals. Changes in
and µ surface immunoglobulins were monitored by the mixed antiglobulin reaction. Exposure to anti-
antiserum led to rapid disappearance of both
and µ antigen; exposure to anti-µ antiserum resulted in complete loss of µ antigen, while
antigens were unaffected or only partially affected. Restoration of
and µ antigens occurred from 3 to 12 hr. Monovalent antibody was unable to modulate surface
immunoglobulins. Modulation would not occur at low temperature or in the presence of sodium azide.
Footnotes
1 This work was aided by Grants AI-09239 and AM-11796 from the United States Public Health Service.
2 Recipient of a stipend from the Stiftung Volkswagenwerk.
3 Recipient of United States Public Health Service Career Development Award AM-20122.
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