Modification of the erythrocyte surface in rats bearing Yoshida ascites sarcoma is brought about by a tumour variant of alpha2-macroglobulin.

Abstract excerpt

Erythrocytes from the circulation of rats bearing Yoshida ascites sarcoma exhibit higher concanavalin A (ConA)-mediated agglutinability than those from normal animals. A tetrameric glycoprotein of subunit molecular mass 170 kDa, purified from the cell-free ascites fluid, was found to confer higher ConA-mediated agglutinability on erythrocytes in vitro. An antiserum to this tumour-derived protein failed to detect...

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