Table 1.

UROD Enzymatic Activity in Untransduced and Transduced LB Cells

Cell Type UROD Activity (U/mg)
Mean ± SD Range % of Normal Values n
Untransduced LB cells  
 LBN  2,728 ± 238 2,278-3,029  100  14  
 LB44  219 ± 123 46.2-443  8  8  
 LB45  288 ± 108  155-422 11  5  
 LB86  396 ± 129  302-585  15  
Transduced LB cells  
 LBN-LUDSN (S + C) 3,063 ± 83  3,001-3,157  112  3  
  (Retro) 3,274 ± 156  3,161-3,440  120  3  
  (Retro) + G418  5,850 ± 71  5,784-5,925  214  3  
 LB44-LUDSN (S + C)  305 ± 116  229-438  11  4  
  (Retro) 570 ± 186  420-778  21  4  
  (Retro) + G418 1,927 ± 266  1,595-2,402  71  9  
 LB45-LUDSN (S + C)  318 ± 139  127-439  12  4  
  (Retro) 791 ± 201  582-983  29  4  
  (Retro) + G418 2,901 ± 543  2,274-3,720  106  6  
 LB86-LUDSN (S + C)  412 ± 157  330-642  15  4  
  (Retro) 749 ± 264  552-1,138  27  4  
  (Retro) + G418 2,440 ± 366  2,068-2,799  89  
Cell Type UROD Activity (U/mg)
Mean ± SD Range % of Normal Values n
Untransduced LB cells  
 LBN  2,728 ± 238 2,278-3,029  100  14  
 LB44  219 ± 123 46.2-443  8  8  
 LB45  288 ± 108  155-422 11  5  
 LB86  396 ± 129  302-585  15  
Transduced LB cells  
 LBN-LUDSN (S + C) 3,063 ± 83  3,001-3,157  112  3  
  (Retro) 3,274 ± 156  3,161-3,440  120  3  
  (Retro) + G418  5,850 ± 71  5,784-5,925  214  3  
 LB44-LUDSN (S + C)  305 ± 116  229-438  11  4  
  (Retro) 570 ± 186  420-778  21  4  
  (Retro) + G418 1,927 ± 266  1,595-2,402  71  9  
 LB45-LUDSN (S + C)  318 ± 139  127-439  12  4  
  (Retro) 791 ± 201  582-983  29  4  
  (Retro) + G418 2,901 ± 543  2,274-3,720  106  6  
 LB86-LUDSN (S + C)  412 ± 157  330-642  15  4  
  (Retro) 749 ± 264  552-1,138  27  4  
  (Retro) + G418 2,440 ± 366  2,068-2,799  89  

Deficient LB cells were transduced by supernatant infection and centrifugation (S + C) or by supernatant infection on plates coated with Retronectin (Retro) and selected or not by G418.

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