Abstract
Antigenic determinants recognizable by rabbits were found to be present on the molecular fragments (48,000 Daltons) which were obtained by papain-solubilization of the membrane fractions of cultured human lymphoid cells and which carried the HL-A determinants. Results were obtained which suggest that these antigenic determinants are present in common on these molecular fragments carrying HL-A determinants regardless of their HL-A specificity and are restricted to the molecular fragments which carry HL-A determinants.
The study was made by use of radioimmune methods involving the binding of radioiodine-labelled soluble HL-A antigen preparations by anti-HL-A alloantisera and by rabbit antisera raised against the membrane fractions of cultured human lymphoid cells.
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Selected References
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