Table 1

Patient and molecular data on C-MYB rearranged T-ALL cases

Case no.SexAge, yOncogenic transcripts*CDKN2A/p16/ARF deletionNOTCH1 mutations
t(6;7) TCRB-MYB cases      
    TL92 1.1 Neg HD-N 
    TL93 1.3 Neg wt 
    TL34 1.8 Neg − wt 
    T142 2.5 Neg PEST 
    UPN5846 2.9 Neg HD-N 
    TL33 10 Neg PEST 
MYB cases      
    TL38 MLL-ENL − wt 
    TL29 SIL-TAL HD-N 
    TL77 Neg wt 
    TL61 10 TLX3 PEST 
    TL66 16 TLX3 PEST 
    TL40 17 CALM-AF10 HD-N + PEST 
    TL76 24 Neg − HD-N 
    TL49 40 TLX1 HD-C 
    TL59 45 TLX1, NUP214-ABL1 wt 
    TL01 50 Neg wt 
    TL63 52 TLX3 HD-N + PEST 
    CCRF-CEM na na SIL-TAL HD-N 
    MOLT4 na na Neg HD-N + PEST 
Case no.SexAge, yOncogenic transcripts*CDKN2A/p16/ARF deletionNOTCH1 mutations
t(6;7) TCRB-MYB cases      
    TL92 1.1 Neg HD-N 
    TL93 1.3 Neg wt 
    TL34 1.8 Neg − wt 
    T142 2.5 Neg PEST 
    UPN5846 2.9 Neg HD-N 
    TL33 10 Neg PEST 
MYB cases      
    TL38 MLL-ENL − wt 
    TL29 SIL-TAL HD-N 
    TL77 Neg wt 
    TL61 10 TLX3 PEST 
    TL66 16 TLX3 PEST 
    TL40 17 CALM-AF10 HD-N + PEST 
    TL76 24 Neg − HD-N 
    TL49 40 TLX1 HD-C 
    TL59 45 TLX1, NUP214-ABL1 wt 
    TL01 50 Neg wt 
    TL63 52 TLX3 HD-N + PEST 
    CCRF-CEM na na SIL-TAL HD-N 
    MOLT4 na na Neg HD-N + PEST 

Cases are ordered by increasing age in the TCRB-MYB and MYBdup cases.

M indicates male; F, female; +, deletion detected; −, no deletion detected; wt, wild type; and na, not applicable.

*

Oncogenic transcripts searched for were as follows: SIL-TAL, TLX1, TLX3, HOXA, CALM-AF10, MLL, and NUP214-ABL1 fusions transcripts.

CDKN2A/p16/ARF locus analysis.

NOTCH1 mutations were searched in exons 26, 27, and 34, encoding N-terminal part of heterodimerization domain (HD-N), C-terminal part of heterodimerization domain (HD-C), and PEST domain, respectively. Immunophenotypic data of the 6 TCRB-MYB cases are shown in Figure S6.

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