Table II.

Binding of MBP and PS of 56R+IgM+ B cell hybridomas with different L chains

A
Vκ-gene
MBP/dsDNA binding
PS/dsDNA binding
Vκ20/J2 0.77 ± 0.10 (n = 7) 5.55 ± 1.78 (n = 3) 
Vκ20/J4 0.58 ± 0.05 (n = 14) 3.62 ± 1.02 (n = 6) 
Vκ38c/J2 0.61 ± 0.09 (n = 7) 0.40 ± 0.12 (n = 3) 
Vκ38c/J4 0.92 ± 0.06 (n = 7) 0.51 ± 0.27 (n = 3) 
Vκ38c/J5 0.35 ± 0.03 (n = 11) 1.06 ± 0.24 (n = 4) 
Vκ(S)/J1 1.03 ± 0.07 (n = 7) 0.25 ± 0.02 (n = 3) 
B   
Vκ-gene
 
MBP/dsDNA binding
 
PS/dsDNA binding
 
Vκ20/J2 1.46 ± 0.05 (n = 3) 14.26 ± 0.85 (n = 3) 
Vκ20/J4 0.85 ± 0.08 (n = 7) 10.68 ± 2.41 (n = 7) 
Vκ38c/J5 1.36 ± 0.14 (n = 3) 1.25 ± 0.06 (n = 3) 
A
Vκ-gene
MBP/dsDNA binding
PS/dsDNA binding
Vκ20/J2 0.77 ± 0.10 (n = 7) 5.55 ± 1.78 (n = 3) 
Vκ20/J4 0.58 ± 0.05 (n = 14) 3.62 ± 1.02 (n = 6) 
Vκ38c/J2 0.61 ± 0.09 (n = 7) 0.40 ± 0.12 (n = 3) 
Vκ38c/J4 0.92 ± 0.06 (n = 7) 0.51 ± 0.27 (n = 3) 
Vκ38c/J5 0.35 ± 0.03 (n = 11) 1.06 ± 0.24 (n = 4) 
Vκ(S)/J1 1.03 ± 0.07 (n = 7) 0.25 ± 0.02 (n = 3) 
B   
Vκ-gene
 
MBP/dsDNA binding
 
PS/dsDNA binding
 
Vκ20/J2 1.46 ± 0.05 (n = 3) 14.26 ± 0.85 (n = 3) 
Vκ20/J4 0.85 ± 0.08 (n = 7) 10.68 ± 2.41 (n = 7) 
Vκ38c/J5 1.36 ± 0.14 (n = 3) 1.25 ± 0.06 (n = 3) 

56R+ IgM hybridomas are compared from two fusions. Clones were polyreactive to at least two antigens in ELISA assays testing for dsDNA, PS, and MBP. The mean of the MBP/dsDNA and PS/dsDNA was calculated from at least three clones, and ± indicates the error (SEM). The values show the binding to PS and MBP relative to DNA binding. Fusion panels are from 4 (A) and 10 wk (B) after GvH. For more details see Table S2.

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