... obtained by serial dilu-tions (106,105,104,103,102, and 10) of a linearized plas-mid DNA, containing three inserts corresponding tofragments of KRECs, TRECs and TRAC.The number of ... pre-sence of coding joints in all Igl+mature B lymphocytesand only in about 30% of Ig+B cells is the reason of the lower average number of B-cell divisions found in patients with clonal ... determined by six-color flow cytometric analysis using various combinations of monoclonal anti bodies. The percentage of Th cellsand CTL is obtained after gating on lymphocytes, that of naive...