CD4+ lymphocytes , at both polyclonal and clonal level , recognized peptide BCR1/25 in an HLA-DR --restricted fashion on presentation by autologous antigen-presenting cell ( APC ) or by APC expressing the HLA-DR11 restricting molecule .
cd4+ lymphocytes , at both polyclonal and clonal level , recognized peptide bcr1/25 in an hla-dr --restricted fashion on presentation by autologous antigen-presenting cell ( apc ) or by apc expressing the hla-dr11 restricting molecule .
B-cell_type I-cell_type O O O O O O O O O O B-peptide O O B-protein_molecule O O O O O B-cell_type I-cell_type I-cell_type O B-cell_type O O O B-cell_type O O B-protein_molecule I-protein_molecule I-protein_molecule O