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. 1982 Jan;45(1):85–96.

Differentiation of C3b receptors on human lymphocytes, phagocytes, erythrocytes and renal glomerulus cells by monoclonal antibodies.

M P Dierich, H H Mussel, O Scheiner, T Ehlen, R Burger, H Peters, M Schmitt, S Trepke, G Zimmer
PMCID: PMC1555165  PMID: 7056569

Abstract

C3b receptor protein was purified form human erythrocytes by 2 M KBr solubilization and affinity chromatography on C3-coated sepharose. This material served as antigen for raising monoclonal antibodies. To investigate the distribution and antigenetic relationship between the receptors for C3b on human erythrocytes, lymphoid and phagocytic cells, as well as kidney cells three monoclonal antibodies were selected which inhibited the binding of EAC14 degrees 23b to complement receptor-bearing cells. This could be shown for human erythrocytes by inhibiting the immune adherence reaction, for tonsil lymphocytes, Raji cells, and guinea-pig spleen cells by inhibition of rosette formation of these cells with EAC14 degrees 23b, and for human renal glomeruli by blocking of the the adherence of EAC14 degrees 23b to kidney sections. In contrast, these monoclonal antibodies were not capable of inhibiting rosette formation of human granulocytes and monocytes with EAC14 degrees 23b. The antibodies only interfered with the rosette formation, of EAC14 degrees 23bi and EAC14 degrees 23d with Raji cells and tonsil lymphocytes-if at all-at high concentrations, whereas the rosette formation of Raji cells and tonsil lymphocytes with EAC14 degrees 23b was influenced by supernatants of the selected clones up to a dilution of 1:10(3) to 1:10(5).

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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