Table 2.

Interaction between HTLV-1 infection and cross-linking of cell-surface molecules in causing polarization of the microtubule cytoskeleton


Cross-linking antibody

No. experiments

Odds ratio*of MTOC polarization in Gag p19+ cells vs Gag p19- cells

Polarization in Gag p19+ cells, %

χ2 (DF)

P
Anti-CD54 (ICAM-1)   8   2.58   56   166 (16)   < .001  
Anti-CD25 (IL-2Rα)   3   2.18   47   34 (6)   < .001  
Anti-CD11a (LFA-1)   8   1.14   70   42 (16)   < .001  
Anti-CD3 (TCR complex)   3   0.84   63   17 (6)   .009  
Anti-CD28 (costimulatory)
 
3
 
0.66
 
61
 
18 (6)
 
.006
 

Cross-linking antibody

No. experiments

Odds ratio*of MTOC polarization in Gag p19+ cells vs Gag p19- cells

Polarization in Gag p19+ cells, %

χ2 (DF)

P
Anti-CD54 (ICAM-1)   8   2.58   56   166 (16)   < .001  
Anti-CD25 (IL-2Rα)   3   2.18   47   34 (6)   < .001  
Anti-CD11a (LFA-1)   8   1.14   70   42 (16)   < .001  
Anti-CD3 (TCR complex)   3   0.84   63   17 (6)   .009  
Anti-CD28 (costimulatory)
 
3
 
0.66
 
61
 
18 (6)
 
.006
 

Latex beads were coated with monoclonal antibodies to the respective T-cell surface molecule and incubated for 1 to 2 hours with PBMCs from individuals infected with HTLV-1. An odds ratio (OR) less than 1 indicates that HTLV-1 infection and cross-linking were synergistic in inducing MTOC polarization; OR greater than 1 indicates that HTLV-1 infection inhibited the antibody-induced polarization. TCR indicates T-cell receptor.

*

Summary (weighted mean) odds ratio from indicated number of experiments

Significance level of odds ratio

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