Plasma cell and tumor associated membrane antigens of mouse plasmacytoma MOPC 315 and MOPC 460

P. M. Comoglio, G. Forni

Research output: Contribution to journalArticle

Abstract

Rabbit and syngeneic mouse antisera produced against solubilized membrane antigens from plasma cell tumors MOPC 315 and MOPC 460 recognize neoplastic plasma cell antigens that are not detectable in normal tissues. The rabbit antisera showed precipitating antibodies against two tumor associated antigens expressed in both MOPC 315 and MOPC 460 cells and unrelated to plasma cell specific antigens or myeloma proteins. These were called embryo (EM) antigen or myeloma proteins. These were called embryo (EM) antigen and A particle associated (Aa) antigen. The EM antigen seemed to be related to mitotic activity and was also expressed by a mouse adenocarcinoma and by mouse embryo cells. The Aa antigen was detected by immuno precipitation in all of nine different mouse tumors. Its purification by reverse immunoadsorption demonstrated that it consisted of two related components. Syngeneic mouse antisera showed precipitating antibodies against only part of the Aa antigen determinants recognized by rabbit antisera. Lastly, one mouse antiserum precipitated with an antigen of unique specificity detectable on MOPC 315 only.

Original languageEnglish
Pages (from-to)613-625
Number of pages13
JournalInternational Journal of Cancer
Volume12
Issue number3
Publication statusPublished - 1973

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Plasmacytoma
Antigens
Membranes
Immune Sera
Embryonic Structures
Myeloma Proteins
Rabbits
Antibodies
Neoplasm Antigens
Plasma Cells
Multiple Myeloma
Adenocarcinoma

ASJC Scopus subject areas

  • Cancer Research
  • Oncology

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Plasma cell and tumor associated membrane antigens of mouse plasmacytoma MOPC 315 and MOPC 460. / Comoglio, P. M.; Forni, G.

In: International Journal of Cancer, Vol. 12, No. 3, 1973, p. 613-625.

Research output: Contribution to journalArticle

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