Beta 2 microglobulin is selectively associated with H 2 and TL alloantigens on murine lymphoid cells

E. S. Vitetta, M. D. Poulik, J. Klein, J. W. Uhr

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Abstract

The authors used a rabbit antiserum prepared against purified rat β2 microglobulin to immunoprecipitate molecules from lysates of radioiodinated murine thymocytes and splenocytes. All the molecules that are reactive with this serum have subunits of 44,000 and 12,000 and can be identified as H 2 and TL antigens. Thus, the anti β2μ serum can deplete lysates of the majority of the TL and H 2 antigens which can be subsequently recognized by alloantisera. If TL and H 2 are precipitated from the lysates before the addition of anti β2μ, no β2μ reactive molecules remain. These results indicate that Ia antigens cannot be depleted from the lysates with anti β2μ. The studies also suggest that TL and H 2 heavy chains can exist as both monomers and dimers. These observations are discussed with regard to previous studies concerning the native structure of H 2 and TL antigens.

Original languageEnglish (US)
Pages (from-to)179-192
Number of pages14
JournalJournal of Experimental Medicine
Volume144
Issue number1
StatePublished - 1976

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H-2 Antigens
beta 2-Microglobulin
Isoantigens
Lymphocytes
Histocompatibility Antigens Class II
Thymocytes
Serum
Immune Sera
Rabbits

ASJC Scopus subject areas

  • Immunology

Cite this

Beta 2 microglobulin is selectively associated with H 2 and TL alloantigens on murine lymphoid cells. / Vitetta, E. S.; Poulik, M. D.; Klein, J.; Uhr, J. W.

In: Journal of Experimental Medicine, Vol. 144, No. 1, 1976, p. 179-192.

Research output: Contribution to journalArticle

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