Table 2.

Genotypic and phenotypic features of B-CLL tumors withTP53 mutations

TumorATM proteinATM mutationTP53mutation (amino acid change)Germline/
somatic
Allelic statusp53/MDM2/p21 inductionVH/D/J family% HomologyStageTh
B-CLL9 WT C844T Acq Hemizygous V3-30.3 100 C/P 
    (R282W)    D3-22/J6    
B-CLL43* WT C472G Acq Hemizygous VH5-51 100 CPFCy 
    (R158G)    D3-10    
B-CLL44* WT G412C Acq Hemizygous ND V1-69  99.6 NA 
    (A138P)    Dns/J5    
B-CLL45 WT 1207ins133bp Acq Heterozygous V3-30.3  99.4 
       D1-7    
B-CLL66 WT 210ins2bp Acq Heterozygous V3-11 100 E/C 
       D3-9    
B-CLL46 WT A701G Heterozygous V3-21  94.6 
(Li-Fraumeni)    (Y234C)    D2-9    
TumorATM proteinATM mutationTP53mutation (amino acid change)Germline/
somatic
Allelic statusp53/MDM2/p21 inductionVH/D/J family% HomologyStageTh
B-CLL9 WT C844T Acq Hemizygous V3-30.3 100 C/P 
    (R282W)    D3-22/J6    
B-CLL43* WT C472G Acq Hemizygous VH5-51 100 CPFCy 
    (R158G)    D3-10    
B-CLL44* WT G412C Acq Hemizygous ND V1-69  99.6 NA 
    (A138P)    Dns/J5    
B-CLL45 WT 1207ins133bp Acq Heterozygous V3-30.3  99.4 
       D1-7    
B-CLL66 WT 210ins2bp Acq Heterozygous V3-11 100 E/C 
       D3-9    
B-CLL46 WT A701G Heterozygous V3-21  94.6 
(Li-Fraumeni)    (Y234C)    D2-9    

For abbreviations, see Table 1.

*

Patients with tumors B-CLL 43 and 44 were identical twins.

Patient with B-CLL 46 had Li Fraumeni syndrome.

Cy indicates cyclophosphamide.

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