Table 1

Blood counts from adult Mcl-1+/+, Mcl-1fl/fl, and Mcl-1Pf4Δ/Pf4Δ mice at steady state and 48 hours after single-dose ABT-737 treatment

Untreated
ABT-737
Mcl-1+/+, n = 13Mcl-1fl/fl, n = 20Mcl-1Pf4Δ/Pf4Δ, n = 20Mcl-1+/+, n = 7Mcl-1fl/fl, n = 6Mcl-1Pf4Δ/Pf4Δ, n = 6
Platelets, ×106/mL 1228 ± 263 1092 ± 150 1156 ± 235 644 ± 198 686 ± 252 99 ± 106* 
MPV, fL 7.4 ± 1.0 7.7 ± 0.7 7.6 ± 0.9 7.1 ± 0.4 7.1 ± 0.9 9.9 ± 3.3 
PDW, % 50.3 ± 4.4 52.8 ± 3.9 51.7 ± 4.8 47.0 ± 4.2 53.0 ± 6.6 88.6 ± 22.4* 
Erythrocytes, ×109/mL 10.8 ± 0.4 11.0 ± 0.6 11.2 ± 0.4 10.9 ± 0.3 11.3 ± 0.3 11.0 ± 2.4 
Hematocrit, % 50.4 ± 2.3 52.9 ± 4.7 52.9 ± 3.7 55.4 ± 2.3 50.4 ± 1.4 48.7 ± 10.0 
Neutrophils, ×106/mL 0.9 ± 0.6 1.0 ± 0.3 1.2 ± 0.5 0.6 ± 0.2 0.9 ± 0.2 1.0 ± 0.3 
Lymphocytes, ×106/mL 7.3 ± 1.7 9.7 ± 1.6* 9.7 ± 1.3* 2.9 ± 1.5 5.2 ± 1.6 4.4 ± 1.9 
Monocytes, ×106/mL 0.2 ± 0.1 0.2 ± 0.1 0.2 ± 0.1 0.1 ± 0.0 0.1 ± 0.0 0.2 ± 0.0 
Eosinophils, ×106/mL 0.2 ± 0.1 0.2 ± 0.1 0.2 ± 0.1 0.2 ± 0.0 0.2 ± 0.0 0.2 ± 0.1 
Untreated
ABT-737
Mcl-1+/+, n = 13Mcl-1fl/fl, n = 20Mcl-1Pf4Δ/Pf4Δ, n = 20Mcl-1+/+, n = 7Mcl-1fl/fl, n = 6Mcl-1Pf4Δ/Pf4Δ, n = 6
Platelets, ×106/mL 1228 ± 263 1092 ± 150 1156 ± 235 644 ± 198 686 ± 252 99 ± 106* 
MPV, fL 7.4 ± 1.0 7.7 ± 0.7 7.6 ± 0.9 7.1 ± 0.4 7.1 ± 0.9 9.9 ± 3.3 
PDW, % 50.3 ± 4.4 52.8 ± 3.9 51.7 ± 4.8 47.0 ± 4.2 53.0 ± 6.6 88.6 ± 22.4* 
Erythrocytes, ×109/mL 10.8 ± 0.4 11.0 ± 0.6 11.2 ± 0.4 10.9 ± 0.3 11.3 ± 0.3 11.0 ± 2.4 
Hematocrit, % 50.4 ± 2.3 52.9 ± 4.7 52.9 ± 3.7 55.4 ± 2.3 50.4 ± 1.4 48.7 ± 10.0 
Neutrophils, ×106/mL 0.9 ± 0.6 1.0 ± 0.3 1.2 ± 0.5 0.6 ± 0.2 0.9 ± 0.2 1.0 ± 0.3 
Lymphocytes, ×106/mL 7.3 ± 1.7 9.7 ± 1.6* 9.7 ± 1.3* 2.9 ± 1.5 5.2 ± 1.6 4.4 ± 1.9 
Monocytes, ×106/mL 0.2 ± 0.1 0.2 ± 0.1 0.2 ± 0.1 0.1 ± 0.0 0.1 ± 0.0 0.2 ± 0.0 
Eosinophils, ×106/mL 0.2 ± 0.1 0.2 ± 0.1 0.2 ± 0.1 0.2 ± 0.0 0.2 ± 0.0 0.2 ± 0.1 

Data represent mean ± SD, 1-way ANOVA with Bonferroni multiple comparison test. Mcl-1fl/fl and Mcl-1Pf4Δ/Pf4Δ mice were compared to Mcl-1+/+ mice according to treatment groups.

MPV indicates mean platelet volume; and PDW, platelet distribution width.

*

P < .0001.

P < .005.

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