Synthesis of surface H2 alloantigens in murine splenocytes

E. S. Vitetta, J. W. Uhr

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Abstract

The synthesis and turnover of cell surface H 2 alloantigens were studied in murine splenocytes by the anti H 2 binding method to separate precursor labeled surface from intracellular molecules. Results indicate that newly synthesized H 2 antigen, labeled in either its peptide or carbohydrate portion enters a relatively small pool of intracellular H 2 antigen and is then rapidly transported to the plasma membrane which represents a larger compartment. The simplest interpretation of these findings is that H 2 antigen is synthesized and transported along a conventional secretory pathway. Pulse chase experiments indicate that H 2 antigens are not readily chased from the plasma membrane and are not shed or internalized during short term culture. The aforementioned observations are discussed in terms of a cellular heterogeneity.

Original languageEnglish (US)
Pages (from-to)374-381
Number of pages8
JournalJournal of Immunology
Volume115
Issue number2
StatePublished - 1975

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H-2 Antigens
Isoantigens
Cell Membrane
Secretory Pathway
Carbohydrates
Peptides

ASJC Scopus subject areas

  • Immunology

Cite this

Synthesis of surface H2 alloantigens in murine splenocytes. / Vitetta, E. S.; Uhr, J. W.

In: Journal of Immunology, Vol. 115, No. 2, 1975, p. 374-381.

Research output: Contribution to journalArticle

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