Table 1

Increased colony forming capacity of BM or spleen cells from Tet2−/− mice

GenotypeCellsCFU-GMBFU-ECFU-GEMMTotal
WT Control (n = 6) BM 32 ± 2 2 ± 1 1 ± 1 35 ± 5 
SP 10 ± 2 1 ± 1 11 ± 3 
Tet2−/− (2-4 months; n = 8) BM 52 ± 12* 3 ± 2 3 ± 1 58 ± 13* 
SP 64 ± 8** 4 ± 2* 0 ± 1 68 ± 10** 
Tet2−/− (erythroid infiltration; n = 6) BM 1 ± 1** 12 ± 8** 13 ± 7 
SP 6 ± 2 22 ± 10** 28 ± 14 
Tet2−/− or Tet2−/− myeloid infiltration (n = 5) BM 48 ± 10** 2 ± 1 50 ± 11** 
SP 26 ± 7** 0 ± 1 27 ± 8** 
GenotypeCellsCFU-GMBFU-ECFU-GEMMTotal
WT Control (n = 6) BM 32 ± 2 2 ± 1 1 ± 1 35 ± 5 
SP 10 ± 2 1 ± 1 11 ± 3 
Tet2−/− (2-4 months; n = 8) BM 52 ± 12* 3 ± 2 3 ± 1 58 ± 13* 
SP 64 ± 8** 4 ± 2* 0 ± 1 68 ± 10** 
Tet2−/− (erythroid infiltration; n = 6) BM 1 ± 1** 12 ± 8** 13 ± 7 
SP 6 ± 2 22 ± 10** 28 ± 14 
Tet2−/− or Tet2−/− myeloid infiltration (n = 5) BM 48 ± 10** 2 ± 1 50 ± 11** 
SP 26 ± 7** 0 ± 1 27 ± 8** 

In vitro hematopoietic colony-forming assays were performed with BM (1 × 104) and spleen (SP; 1 × 105) cells from indicated genotypes of mice in the presence of mSCF, mIL-3, IL-6, and EPO. Colonies were enumerated on day 8 of culture. Data are presented as mean ± SEM.

*

P < .05,

**

P < .01.

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