Table 1.

Effects of allogeneic ALAK cells on reconstitution of B6 recipients with donor-derived cells in spleen


Treatment*

ALAK/BMC ratio

No. mice

Cellularity, × 106

Donor chimerism, %
No ALAK   0   5   80.6 ± 16.7   79.5 ± 5.2  
B10 ALAK   1:1   5   82.0 ± 15.1   80.9 ± 3.5  
B10.D2 ALAK
 
1:1
 
6
 
86.2 ± 11.9
 
77.3 ± 5.6
 

Treatment*

ALAK/BMC ratio

No. mice

Cellularity, × 106

Donor chimerism, %
No ALAK   0   5   80.6 ± 16.7   79.5 ± 5.2  
B10 ALAK   1:1   5   82.0 ± 15.1   80.9 ± 3.5  
B10.D2 ALAK
 
1:1
 
6
 
86.2 ± 11.9
 
77.3 ± 5.6
 

Values represent mean ± SD.

*

BMCs from B6-Ly5.2 donors were cultured alone or in the presence of H2-matched or allogeneic ALAK cells for 24 hours before injection into irradiated (8.5 Gy) B6 recipients.

At day 60 after BMT, splenocytes from mice were double stained with FITC-antimouse CD45.2 (Ly5.1, host) and PE-anti-CD45.1 (Ly5.2, donor) mAb and were analyzed on FACScan. Percentages of CD45.1+ cells were obtained by gating on live cells.

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