Table I.

Umbilical cord blood CD20+CD27+CD43+ B cell immunoglobulins express few mutations

B cell populationsTotal mutations (no. of bases)VH mutations (no. of bases)N1 additions (no. of bases)N2 additions (no. of bases)CDR3 length (no. of bases)
B1: CD20+CD27+CD43+2.0 ± 0.30.14 ± 0.056.8 ± 1.23.8 ± 0.714.5 ± 0.7
B2: CD20+CD27CD431.9 ± 0.40.08 ± 0.066.4 ± 0.84.6 ± 0.814.8 ± 0.7
  • Number of cells analyzed: B1, n = 43; B2, n = 25. Mean number ± SEM.