Table 2.

Characteristics of recipients of p160 v-abl-transduced bone marrow

Mouse*LatencyDiagnosisPB WBC/ differential2-153Spleen Wt (g) Clinicopathologic features2-155Clonality by Southern blot2-154
1  35  B-ALL + mast 3000# 50% neutrophils  0.19  Enlarged LNs, liver, spleen mast cell infiltration, BM replaced with lymphoblasts and mast cells, hindlimb paralysis  Biclonal (LN), 7 clones (spleen)2-160 
40  B-ALL  ND  0.18  Enlarged LNs  3 clones (LN, spleen)  
3  41  B-ALL  ND  ND  Enlarged LNs ND  
4  50  B-ALL + mast  2200 80% lymphoblasts  0.43  Enlarged LNs, liver, spleen mast cell tumors 3 clones (LN), 6 clones (liver)  
5  53  B-ALL 16 300 90% lymphoblasts  0.25  Enlarged LNs, bloody pleural effusion (B220+)  Biclonal (LN, effusion) 
6  54  B-ALL + mast + ma  5400 90% lymphoblasts 0.44  nl LN size but disrupted follicles, liver mast cell and ma tumors, BM replaced with mast/ma cells  Biclonal (spleen)  
62  B-ALL + mast  10 000  0.42  Enlarged LNs, diffuse mast cell infiltration of liver, spleen, lungs  Biclonal (LN), 3 clones (spleen)  
8  63  B-ALL + mast  ND 0.34  Enlarged LNs, paraspinous mass, extensive liver mast cell tumors  Biclonal (LN), 4 clones (spleen)2-160 
9  81 mast + ma  ND  0.50  Normal LNs, extensive liver, spleen mast and ma tumors  4 clones (spleen) 
Mouse*LatencyDiagnosisPB WBC/ differential2-153Spleen Wt (g) Clinicopathologic features2-155Clonality by Southern blot2-154
1  35  B-ALL + mast 3000# 50% neutrophils  0.19  Enlarged LNs, liver, spleen mast cell infiltration, BM replaced with lymphoblasts and mast cells, hindlimb paralysis  Biclonal (LN), 7 clones (spleen)2-160 
40  B-ALL  ND  0.18  Enlarged LNs  3 clones (LN, spleen)  
3  41  B-ALL  ND  ND  Enlarged LNs ND  
4  50  B-ALL + mast  2200 80% lymphoblasts  0.43  Enlarged LNs, liver, spleen mast cell tumors 3 clones (LN), 6 clones (liver)  
5  53  B-ALL 16 300 90% lymphoblasts  0.25  Enlarged LNs, bloody pleural effusion (B220+)  Biclonal (LN, effusion) 
6  54  B-ALL + mast + ma  5400 90% lymphoblasts 0.44  nl LN size but disrupted follicles, liver mast cell and ma tumors, BM replaced with mast/ma cells  Biclonal (spleen)  
62  B-ALL + mast  10 000  0.42  Enlarged LNs, diffuse mast cell infiltration of liver, spleen, lungs  Biclonal (LN), 3 clones (spleen)  
8  63  B-ALL + mast  ND 0.34  Enlarged LNs, paraspinous mass, extensive liver mast cell tumors  Biclonal (LN), 4 clones (spleen)2-160 
9  81 mast + ma  ND  0.50  Normal LNs, extensive liver, spleen mast and ma tumors  4 clones (spleen) 
*

One recipient of v-abl-transduced marrow died at 285 days after transplantation without evidence of hematologic malignancy.

Time in days to premorbidity or death after transplantation of transduced bone marrow.

Diagnosis based on histopathology, immunophenotype, and molecular analysis as discussed in the text: B-ALL, B-lymphoid leukemia; mast, tumors of mast cells; ma, macrophage tumors (see text).

F2-153

Peripheral blood leukocyte count (per μL) and differential; ND, not determined.

F2-155

Based on gross and microscopic pathology and flow cytometric analysis; LN, lymph node; ma, macrophage; BM, bone marrow.

F2-154

Analysis of proviral integration pattern by Southern blot.

#Estimated from blood smear.

F2-160

See Figure 4B.

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