Cell-membrane receptor classes delimited through cap formation either with diamide or with membrane mobility agent, A2C

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Abstract

Receptors on normal human peripheral blood lymphocytes can be divided into two classes by means of the capping response exhibited in the presence of the reagents, diamide or colchicine (microtubule-related) and A2C (microtubule-independent). Diamide and colchicine promote capping of concanavalin A (Con A) receptors. Diamide capping is reversible, while colchicine capping is not reversible under the conditions used. A2C does not promote the capping of Con A receptors. In contrast, diamide and colchicine do not affect the rate at which either anti-immunoglobulin (anti-Ig) or wheat germ agglutinin (WGA) receptors cap, but A2C effectively enhances cap formation for both anti-Ig and WGA receptors. The simplicity of the classification method promises to be of use in the investigation of membrane receptors.

Original languageEnglish
Pages (from-to)215-223
Number of pages9
JournalJournal of Immunological Methods
Volume41
Issue number2
DOIs
StatePublished - 16 Mar 1981

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