Table 1.

Effects of adiponectin on proliferation of hematopoietic cell lines

Cell lineage/lineOriginProliferation (SI)ANo. of viable cells (×104/well)
HSAAdiponectin
Myeloid lineage     
 KG1 Myelogenous leukemia 0.97 ± 0.02 1.71 ± 0.15 1.61 ± 0.02 
 HL60 Promyelocytic leukemia 0.99 ± 0.06 3.60 ± 0.49 3.68 ± 0.22 
 THP1 Monocytic leukemia 0.38 ± 0.03* 1.79 ± 0.08 0.76 ± 0.08 
 MO7E Megakaryocytic leukemia 1.04 ± 0.06 2.30 ± 0.24 2.15 ± 0.22 
 KU812 Myelogenous leukemia 0.86 ± 0.04* 1.44 ± 0.05 1.36 ± 0.04* 
 F36p Myelodysplastic syndrome 1.01 ± 0.05 2.65 ± 0.16 2.55 ± 0.20 
 U937 Histiocytic lymphoma 1.02 ± 0.05 2.47 ± 0.10 2.65 ± 0.18 
 M1 Myelogenous leukemia 0.73 ± 0.07 4.86 ± 0.25 2.13 ± 0.19 
 WEHI3 Myelomonocytic leukemia 0.90 ± 0.06* 2.42 ± 0.22 1.98 ± 0.10 
Erythroid lineage     
 K562 Erythroleukemia 0.99 ± 0.04 4.57 ± 0.53 4.17 ± 0.25 
 HEL Erythroleukemia 1.02 ± 0.02 3.43 ± 0.26 3.25 ± 0.20 
 F36e Myelodysplastic syndrome 0.97 ± 0.07 0.41 ± 0.04 0.43 ± 0.03 
T-cell lineage     
 MOLT4 Lymphoblastic leukemia 1.01 ± 0.03 5.40 ± 0.20 5.55 ± 0.41 
 Jurkat Lymphoblastic leukemia 1.03 ± 0.03 2.38 ± 0.08 2.55 ± 0.19 
 CCRF-CEM Lymphoblastic leukemia 0.94 ± 0.02 1.87 ± 0.19 1.73 ± 0.06 
 EL4 Malignant lymphoma 0.99 ± 0.03 5.12 ± 0.06 4.80 ± 0.37 
B-cell lineage     
 Nalm6 Lymphoblastic leukemia 1.04 ± 0.10 3.48 ± 0.06 3.22 ± 0.10 
 BALL Lymphoblastic leukemia 0.62 ± 0.07 1.83 ± 0.05 0.81 ± 0.07 
 ONHL1 Malignant lymphoma 0.99 ± 0.04 1.92 ± 0.27 2.13 ± 0.10 
 OPM2 Plasma cell leukemia 0.98 ± 0.03 3.88 ± 0.18 4.00 ± 0.15 
Cell lineage/lineOriginProliferation (SI)ANo. of viable cells (×104/well)
HSAAdiponectin
Myeloid lineage     
 KG1 Myelogenous leukemia 0.97 ± 0.02 1.71 ± 0.15 1.61 ± 0.02 
 HL60 Promyelocytic leukemia 0.99 ± 0.06 3.60 ± 0.49 3.68 ± 0.22 
 THP1 Monocytic leukemia 0.38 ± 0.03* 1.79 ± 0.08 0.76 ± 0.08 
 MO7E Megakaryocytic leukemia 1.04 ± 0.06 2.30 ± 0.24 2.15 ± 0.22 
 KU812 Myelogenous leukemia 0.86 ± 0.04* 1.44 ± 0.05 1.36 ± 0.04* 
 F36p Myelodysplastic syndrome 1.01 ± 0.05 2.65 ± 0.16 2.55 ± 0.20 
 U937 Histiocytic lymphoma 1.02 ± 0.05 2.47 ± 0.10 2.65 ± 0.18 
 M1 Myelogenous leukemia 0.73 ± 0.07 4.86 ± 0.25 2.13 ± 0.19 
 WEHI3 Myelomonocytic leukemia 0.90 ± 0.06* 2.42 ± 0.22 1.98 ± 0.10 
Erythroid lineage     
 K562 Erythroleukemia 0.99 ± 0.04 4.57 ± 0.53 4.17 ± 0.25 
 HEL Erythroleukemia 1.02 ± 0.02 3.43 ± 0.26 3.25 ± 0.20 
 F36e Myelodysplastic syndrome 0.97 ± 0.07 0.41 ± 0.04 0.43 ± 0.03 
T-cell lineage     
 MOLT4 Lymphoblastic leukemia 1.01 ± 0.03 5.40 ± 0.20 5.55 ± 0.41 
 Jurkat Lymphoblastic leukemia 1.03 ± 0.03 2.38 ± 0.08 2.55 ± 0.19 
 CCRF-CEM Lymphoblastic leukemia 0.94 ± 0.02 1.87 ± 0.19 1.73 ± 0.06 
 EL4 Malignant lymphoma 0.99 ± 0.03 5.12 ± 0.06 4.80 ± 0.37 
B-cell lineage     
 Nalm6 Lymphoblastic leukemia 1.04 ± 0.10 3.48 ± 0.06 3.22 ± 0.10 
 BALL Lymphoblastic leukemia 0.62 ± 0.07 1.83 ± 0.05 0.81 ± 0.07 
 ONHL1 Malignant lymphoma 0.99 ± 0.04 1.92 ± 0.27 2.13 ± 0.10 
 OPM2 Plasma cell leukemia 0.98 ± 0.03 3.88 ± 0.18 4.00 ± 0.15 

Triplicate aliquots of cells (1 × 104/well) were cultured in serum-free medium with 10 μg/mL adiponectin or human serum albumin (HSA), and their proliferation was examined by tritium-thymidine incorporation assay and by counting recovered viable cells. Tritium-thymidine incorporation was measured after 24 hours of culture, and the results were expressed as stimulation index (SI)A, which was calculated as SI = (tritium-thymidine incorporation with adiponectin)/(tritium-thymidine incorporation with HSA). Recovered viable cell numbers were evaluated after 48 hours of culture by using trypan blue dye exclusion.

*

P < .05 and

P < .01 for the difference from control (HSA) values. The data shown are the mean ± SD value from 3 separate experiments.

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