dna probes to both the joining region ( jh ) of the immunoglobulin heavy chain gene ( igh ) and to the beta chain of the t-cell antigen receptor complex ( tcr ) have been used as tumour-specific markers to monitor the rearrangements of the igh chain gene and the tcr beta gene in the blast cells of children presenting with acute lymphoblastic leukaemia ( all ) of b or t cell origin .
C0087049
beta chain
C0524891
tcr beta gene