Table 1.
Pt. No. | source | Blast (%) | BCR-ABL status | Treatments and responses | In vitro treatment and assays
|
% Q Cells | Days of co-culture with MSC | |||
---|---|---|---|---|---|---|---|---|---|---|
Cells in which apoptosis was determined | WB/PCR | Bcl-XL/Mcl-1 KD | ||||||||
1 | PB | 91 | T315I, E255K | Resistant to imatinib; treated with chemotherapy and dasatinib | P/Q | bulk/CD34+38−/CD34+38+ | 9.4 | 6 | ||
2 | PB | 89 | T315I, E255V | Resistant to imatinib, dasatinib, nilotinib, and ponatinib | P/Q | bulk/CD34+38− CD34+38+ |
protein/RNA | siRNAs | 15.9 | 7 |
3 | PB | 83 | H396R | Failed imatinib, dasatinib, and nilotinib. | P/Q | bulk/CD34+38− CD34+38+ |
siRNAs | 22.1 | 10 | |
4a | PB | 89 | T315I, E255B | Resistant to imatinib, nilotinib, dasatinib, and ponatinib; treated with CECA, ponatinib, and dasatinib | bulk/CD34+38− CD34+38+ |
protein/RNA | siRNAs | |||
5 | PB | 80 | No mutation | Resistant to imatinib, and dasatinib | bulk | protein/RNA | ||||
6 | BM | 93 | No mutation | Failed imatinib; treated with nilotinib | bulk/CD34+38− CD34+38+ |
|||||
4b | PB | 62 | T315I, E255V | Resistant to imatinib, dasatinib, and ponatinib; treated with nilotinib, decitabine, and dasatinib | P/Q | 7.7 | 6 | |||
7 | PB | 24 | No mutation | Resistant to imatinib; treated with nilotinib | P/Q | 6.8 | 8 | |||
8 | PB | 11 | No mutation | Resistant to imatinib, dasatinib, nilotinib, and ponatinib; treated with decitabine, dasatinib, and bosutinib | P/Q | 14.4 | 7 |
Abbreviations: Pt, patients; No, number; CECA, cyclophosphamide, etoposide, carboplatin, and cytosine arabinoside; P/Q, apoptosis in proliferating and quiescent cells; WB, western blot; % Q cells, % quiescent cells over total CD34+ cells.